A nut casting casting mold

Abstract

The utility model belongs to the technical field of casting molds, specifically a nut casting casting mold, including a base, a lower mold is installed on the base, nine groups of mold cavities are opened on the lower mold, a lifting plate is installed in the plate groove, nine groups of first connecting rings are welded on the lifting plate, multiple groups of connecting rods are welded on the first connecting ring, the second connecting ring is fixedly connected to the connecting rod, the push plate is rotatably connected to the second connecting ring through a bearing, the push plate is pushed to move vertically upward by the second connecting ring, and the push plate pushes the nut casting to move upward. In the process of the nut casting moving upward, the nut casting will rotate horizontally along the screw rod. In the process of the push plate pushing the nut casting upward, the push plate can rotate horizontally with the nut casting, thereby avoiding relative friction between the push plate and the nut casting, reducing friction resistance, making the nut casting smoother during demoulding, and helping to improve demoulding efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of casting moulds, in particular to a nut casting casting mould. Background Art

[0002] A nut is a nut that is screwed together with a bolt or screw for fastening. It is a component that all manufacturing machinery must use. Depending on the material, it is divided into several types, such as carbon steel, stainless steel, and non-ferrous metals. In the process of producing nut castings, a casting mold is required.

[0003] A Chinese patent with publication number CN213379144U discloses an injection mold for the production and processing of precision hardware castings, including a fixed mold base plate, a fixed mold plate is arranged on the top of the fixed mold base plate, a cavity is opened on the top of the fixed mold plate, guide grooves are opened all around the top of the fixed mold plate, guide columns are slidably connected inside the guide grooves, a movable mold base plate is arranged on the top of the movable mold plate, guide components are connected to the fixed frames, connecting blocks are arranged at the ends of the two groups of guide components away from each other, connecting rods are arranged on the connecting blocks, the fixed columns slide on the support columns through grooves, and can cooperate with the guide columns and guide grooves to play a guiding role, and when the fixed columns move downward, the insertion rods move downward and are inserted into the slots of the support columns, which can further improve the accuracy of mold closing.

[0004] The existing casting mold is not convenient for quickly removing the cooled nut casting during the casting process of the nut casting, resulting in low demoulding efficiency of the nut casting, affecting the casting efficiency; therefore, a nut casting casting mold is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model provides a nut casting casting mold.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a nut casting casting mold described in the utility model comprises a base, a lower mold is installed on the base, nine groups of mold cavities are opened on the lower mold, a screw is welded at the center of the bottom wall of the mold cavity, a placement groove is opened on the base, a first hydraulic cylinder is installed in the placement groove, a first hydraulic rod is connected to the first hydraulic cylinder, a plate groove is opened inside the lower mold, a lifting plate is installed in the plate groove, the lifting plate is fixedly connected to the first hydraulic rod, nine groups of first connecting rings are welded on the lifting plate, a plurality of groups of connecting rods are welded on the first connecting ring, a rod groove is opened in the lower mold, the connecting rod passes through the rod groove, an annular groove is opened on the bottom wall of the mold cavity, and the annular groove A second connecting ring and a push plate are assembled inside, the second connecting ring is fixedly connected to the connecting rod, the push plate is rotatably connected to the second connecting ring through a bearing, the second connecting ring is pushed to move vertically upward by the connecting rod, the second connecting ring pushes the push plate to move vertically upward, the push plate pushes the nut casting upward, during the upward movement of the nut casting, the nut casting will rotate horizontally along the screw, that is, the nut casting will rotate while moving vertically, since the push plate is rotatably connected to the second connecting ring, during the process of the push plate pushing the nut casting upward, the push plate can rotate horizontally with the nut casting, thereby avoiding relative friction between the push plate and the nut casting, reducing frictional resistance, and making the nut casting smoother during demoulding, which is beneficial to improving demoulding efficiency.

[0007] Preferably, four groups of guide rods are installed on the base, a fixing plate is welded on the top side of the guide rod, a second hydraulic cylinder is fixedly installed on the fixing plate, a second hydraulic rod is connected to the second hydraulic cylinder, an upper mold is fixedly connected to the bottom side of the second hydraulic rod, nine groups of hexagonal templates are installed on the bottom side of the upper mold, nine groups of feed holes are opened on the upper mold, a feed pipe is installed on the top side of the upper mold, the feed pipe is connected to the feed hole through the internal pipeline of the upper mold, and guide blocks are welded at the four end corners of the upper mold, and the guide blocks are sleeved on the guide The guide block slides in cooperation with the guide rod on the periphery of the rod, and is operated by the second hydraulic cylinder to drive the second hydraulic rod to move vertically downward. The second hydraulic rod pushes the upper mold to move vertically downward, so that the upper mold and the lower mold are buckled; the hexagonal template of the upper mold enters the mold cavity, and the hot-melt raw material is injected into the feed pipe, and then guided from the feed pipe to the feed hole, and finally enters the mold cavity from the feed hole. The hexagonal template cooperates with the screw in the mold cavity to make the casting a hexagonal nut structure, thereby realizing the casting and molding processing of the nut casting, which is beneficial to improving the casting and molding efficiency.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model pushes the second connecting ring to move vertically upward through the connecting rod, and the second connecting ring pushes the push plate to move vertically upward, and the push plate pushes the nut casting to move upward. During the upward movement of the nut casting, the nut casting will rotate horizontally along the screw rod, that is, the nut casting will rotate while moving vertically. Since the push plate is rotatably connected to the second connecting ring, the push plate can rotate horizontally with the nut casting during the process of the push plate pushing the nut casting upward, thereby avoiding relative friction between the push plate and the nut casting, reducing frictional resistance, and making the nut casting smoother during demoulding, which is beneficial to improving demoulding efficiency.

[0010] 2. The utility model operates through the second hydraulic cylinder to drive the second hydraulic rod to move vertically downward, and the second hydraulic rod pushes the upper mold to move vertically downward, so that the upper mold and the lower mold are buckled; the hexagonal template of the upper mold enters the mold cavity, and the hot-melt raw material is injected into the feed pipe, and then guided from the feed pipe to the feed hole, and finally enters the mold cavity from the feed hole. The hexagonal template cooperates with the screw in the mold cavity to make the casting a hexagonal nut structure, thereby realizing the casting and molding processing of the nut casting, which is beneficial to improving the casting and molding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the lower mold;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the second hydraulic cylinder;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the upper mold.

[0016] In the figure: 1. base; 2. lower mold; 3. mold cavity; 4. screw; 5. placement groove; 6. first hydraulic cylinder; 7. first hydraulic rod; 8. plate groove; 9. lifting plate; 10. first connecting ring; 11. connecting rod; 12. rod groove; 13. annular groove; 14. second connecting ring; 15. push plate; 16. guide rod; 17. fixed plate; 18. second hydraulic cylinder; 19. second hydraulic rod; 20. upper mold; 21. hexagonal template; 22. feed hole; 23. feed pipe; 24. guide block. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-4As shown, a nut casting casting mold comprises a base 1, a lower mold 2 is installed on the base 1, nine groups of mold cavities 3 are opened on the lower mold 2, a screw 4 is welded at the center of the bottom wall of the mold cavity 3, a placement groove 5 is opened on the base 1, a first hydraulic cylinder 6 is installed in the placement groove 5, a first hydraulic rod 7 is connected to the first hydraulic cylinder 6, a plate groove 8 is opened inside the lower mold 2, a lifting plate 9 is assembled in the plate groove 8, the lifting plate 9 is fixedly connected to the first hydraulic rod 7, nine groups of first connecting rings 10 are welded on the lifting plate 9, and multiple groups of connecting rods 11 are welded on the first connecting ring 10. A rod groove 12 is provided in the lower mold 2, and a connecting rod 11 passes through the rod groove 12. An annular groove 13 is provided on the bottom wall of the mold cavity 3. A second connecting ring 14 and a push plate 15 are assembled in the annular groove 13. The second connecting ring 14 is fixedly connected to the connecting rod 11, and the push plate 15 is rotatably connected to the second connecting ring 14 through a bearing. Four groups of guide rods 16 are installed on the base 1, and a fixing plate 17 is welded to the top side of the guide rod 16. A second hydraulic cylinder 18 is fixedly installed on the fixing plate 17, and a second hydraulic rod 19 is connected to the second hydraulic cylinder 18. The bottom side of the second hydraulic rod 19 is fixedly connected to an upper The mold 20 has nine groups of hexagonal templates 21 installed on the bottom side of the upper mold 20, and nine groups of feed holes 22 are opened on the upper mold 20. A feed pipe 23 is installed on the top side of the upper mold 20. The feed pipe 23 is connected to the feed hole 22 through the internal pipeline of the upper mold 20. Guide blocks 24 are welded at the four end corners of the upper mold 20. The guide blocks 24 are sleeved on the outer periphery of the guide rod 16, and the guide blocks 24 slide with the guide rod 16. When working, the existing casting mold is not convenient for quickly taking out the cooled and formed nut casting during the casting and molding of the nut casting. The demoulding efficiency of the nut casting is low, which affects the casting efficiency. The second hydraulic cylinder 18 is operated to drive the second hydraulic rod 19 to move vertically downward. The second hydraulic rod 19 pushes the upper mold 20 to move vertically downward, so that the upper mold 20 is buckled with the lower mold 2; the hexagonal template 21 of the upper mold 20 enters the mold cavity 3, and the hot melt raw material is injected into the feed pipe 23, and then guided from the feed pipe 23 to the feed hole 22, and finally enters the mold cavity 3 from the feed hole 22. The hexagonal template 21 cooperates with the screw 4 in the mold cavity 3 to make the casting a hexagonal nut structure;After the nut casting is cooled, the upper mold 20 moves vertically upward, and the first hydraulic rod 7 moves vertically upward through the operation of the first hydraulic cylinder 6. The first hydraulic rod 7 pushes the lifting plate 9 to move vertically upward in the plate groove 8, and the lifting plate 9 pushes the nine groups of first connecting rings 10 thereon to move vertically upward. The first connecting ring 10 pushes the connecting rod 11 to move vertically upward, and the connecting rod 11 pushes the second connecting ring 14 to move vertically upward. The second connecting ring 14 pushes the push plate 15 to move vertically upward, and the push plate 15 pushes the nut casting upward. In the process of the nut casting moving upward, the nut casting will rotate horizontally along the screw rod 4, that is, the nut casting will rotate while moving vertically. Since the push plate 15 is rotatably connected to the second connecting ring 14, the push plate 15 can rotate horizontally with the nut casting in the process of pushing the nut casting upward, thereby avoiding relative friction between the push plate 15 and the nut casting, reducing friction resistance, and making the nut casting smoother during demoulding, which is conducive to improving demoulding efficiency. ;

[0019] Working principle: during the casting and molding process of the nut casting, the existing casting and molding mold is not convenient for quickly removing the cooled and molded nut casting, resulting in a low demoulding efficiency of the nut casting, affecting the casting and molding efficiency. The second hydraulic cylinder 18 is operated to drive the second hydraulic rod 19 to move vertically downward, and the second hydraulic rod 19 pushes the upper mold 20 to move vertically downward, so that the upper mold 20 is buckled with the lower mold 2; the hexagonal template 21 of the upper mold 20 enters the mold cavity 3, and the hot-melt raw material is injected into the feed pipe 23, and then guided from the feed pipe 23 to the feed hole 22, and finally enters the mold cavity 3 from the feed hole 22. The hexagonal template 21 cooperates with the screw 4 in the mold cavity 3 to make the casting a hexagonal nut structure; after the nut casting is cooled, the upper mold 20 moves vertically upward, and the first hydraulic cylinder 6 is operated, the first hydraulic rod 7 moves vertically upward, and the first hydraulic The rod 7 pushes the lifting plate 9 to move vertically upward in the plate groove 8, and the lifting plate 9 pushes the nine groups of first connecting rings 10 thereon to move vertically upward, and the first connecting ring 10 pushes the connecting rod 11 to move vertically upward, and the connecting rod 11 pushes the second connecting ring 14 to move vertically upward, and the second connecting ring 14 pushes the push plate 15 to move vertically upward, and the push plate 15 pushes the nut casting upward. In the process of the nut casting moving upward, the nut casting will rotate horizontally along the screw rod 4, that is, the nut casting will rotate while moving vertically. Since the push plate 15 is rotatably connected to the second connecting ring 14, when the push plate 15 pushes the nut casting upward, the push plate 15 can rotate horizontally with the nut casting, thereby avoiding the relative friction between the push plate 15 and the nut casting, reducing the friction resistance, and making the nut casting smoother during demolding, which is beneficial to improving the demolding efficiency.

[0020] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A nut casting casting mold, characterized in that The invention comprises a base (1), a lower mold (2) is installed on the base (1), nine groups of mold cavities (3) are provided on the lower mold (2), a screw (4) is welded at the center of the bottom wall of the mold cavity (3), a placement groove (5) is provided on the base (1), a first hydraulic cylinder (6) is installed in the placement groove (5), a first hydraulic rod (7) is connected to the first hydraulic cylinder (6), a plate groove (8) is provided inside the lower mold (2), a lifting plate (9) is installed in the plate groove (8), and the lifting plate (9) is fixedly connected to the first hydraulic rod (7) Nine groups of first connecting rings (10) are welded on the lifting plate (9), and multiple groups of connecting rods (11) are welded on the first connecting rings (10). A rod groove (12) is provided in the lower mold (2), and the connecting rod (11) passes through the rod groove (12). An annular groove (13) is provided on the bottom wall of the mold cavity (3), and a second connecting ring (14) and a push plate (15) are assembled in the annular groove (13). The second connecting ring (14) is fixedly connected to the connecting rod (11), and the push plate (15) is rotatably connected to the second connecting ring (14) through a bearing.

2. The nut casting mold according to claim 1, characterized in that: Four groups of guide rods (16) are installed on the base (1), a fixing plate (17) is welded on the top side of the guide rods (16), and a second hydraulic cylinder (18) is fixedly installed on the fixing plate (17).

3. The nut casting mold according to claim 2, characterized in that: The second hydraulic cylinder (18) is connected to a second hydraulic rod (19), and the bottom side of the second hydraulic rod (19) is fixedly connected to an upper mold (20).

4. The nut casting mold according to claim 3, characterized in that: Nine groups of hexagonal templates (21) are installed on the bottom side of the upper mold (20), and nine groups of feed holes (22) are opened on the upper mold (20).

5. The nut casting mold according to claim 4, characterized in that: A feed pipe (23) is installed on the top side of the upper mold (20), and the feed pipe (23) is connected to the feed hole (22) through an internal pipeline of the upper mold (20).

6. The nut casting mold according to claim 3, characterized in that: Guide blocks (24) are welded at the four end corners of the upper mold (20). The guide blocks (24) are sleeved on the periphery of the guide rod (16). The guide blocks (24) slide in cooperation with the guide rod (16).

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