Inclined casting mold opening and closing mechanism

Abstract

The utility model belongs to the field of casting, and particularly discloses an inclined casting mold opening and closing mechanism which comprises a machine frame body, a fixed mold, a movable mold, a fixed mold plate and a movable mold plate, the upper end face of the machine frame body is arranged to be an inclined face, the fixed mold is fixedly connected to the lowest position of the upper end face of the machine frame body through the fixed mold plate, and the movable mold is arranged in the inclined direction of the machine frame body in a sliding mode. The movable mold plate is fixedly connected to the movable mold, a cavity is formed between the fixed mold and the movable mold, and a pouring gate communicated with the cavity is arranged between the fixed mold and the movable mold; the mold opening and closing mechanism further comprises a driving assembly used for driving the movable mold to be close to or away from the fixed mold. According to the utility model, the inclined rack main body is arranged, so that the movable mold and the fixed mold are arranged on the rack main body in an inclined state, liquid metal is poured into the cavity from the pouring gate, air in the cavity is discharged from the pouring gate until the cavity is filled with the liquid metal, and the air in the cavity can be completely discharged, so that the defects of air holes and the like in a formed pouring part are avoided; and the product quality is improved.

Description

Technical Field

[0001] The utility model belongs to the field of casting, and more specifically relates to an inclined casting mold opening and closing mechanism. Background Art

[0002] Metal mold casting is generally used for casting large batches of products. Liquid metal is poured into the mold cavity to cast castings of different structures. Frequent mold opening and closing is required to meet the requirements for demolding and removing the castings.

[0003] Metal mold casting generally requires the establishment of a mold opening and closing mechanism, including a movable mold, a fixed mold and a cylinder. The movable mold and the fixed mold can be moved closer and farther away from each other through the cylinder to achieve frequent mold opening and closing. However, when liquid metal is poured, the existing mold opening and closing mechanism cannot discharge the gas in the mold cavity in a timely and smooth manner, resulting in defects such as pores in the casting. Utility Model Content

[0004] In order to improve the production quality of castings, the utility model provides an inclined casting mold opening and closing mechanism.

[0005] The utility model provides an inclined casting mold opening and closing mechanism adopts the following technical solutions:

[0006] A tilting casting mold opening and closing mechanism comprises a frame body, a fixed mold, a movable mold, a fixed mold plate and a movable mold plate, wherein the upper end surface of the frame body is arranged to be an inclined surface, the fixed mold is fixedly connected to the lowest point of the upper end surface of the frame body through the fixed mold plate, the movable mold is slidably arranged along the tilting direction of the frame body, the movable mold plate is fixedly connected to the movable mold, a cavity is formed between the fixed mold and the movable mold, and a runner connected to the cavity is arranged between the fixed mold and the movable mold; the mold opening and closing mechanism also comprises a driving component for driving the movable mold to approach or move away from the fixed mold.

[0007] By adopting the above technical scheme, the movable mold and the fixed mold are installed on the frame body in an inclined state, so that the cavity formed between the fixed mold and the movable mold is also inclined. Liquid metal is poured into the cavity from the runner, and the air in the cavity is discharged from the runner until the cavity is filled with liquid metal. When the liquid metal is poured, the air in the cavity can be completely discharged, thereby avoiding defects such as pores on the molded casting, thereby improving the quality of the product.

[0008] As a further preferred embodiment, a plurality of slide rails arranged along an inclined direction are fixedly connected to the upper end surface of the frame body, and the movable mold is slidably adapted to the plurality of slide rails.

[0009] By adopting the above technical solution, the movable mold slides on the slide rail to realize the opening and closing of the mold with the fixed mold, so that the movement of the movable mold is more stable and the position is more accurate when closing the mold with the fixed mold.

[0010] As a further preference, a fixing frame is fixedly connected to the highest point of the upper end surface of the frame body, and the driving assembly is arranged on the fixing frame.

[0011] By adopting the above technical solution, the driving component is installed on the fixed frame so that its position is matched with the movable mold, so as to facilitate driving the movable mold to move.

[0012] As further preferred, the driving assembly includes a guide column and a guide sleeve, the guide sleeve is fixedly connected to the fixed frame and arranged along the inclined direction, one end of the guide column is connected to the movable template, and the guide sleeve is provided with a through hole for the guide column to pass through.

[0013] By adopting the above technical solution, the guide pin is connected to the movable mold plate, and the guide pin is inserted into the guide sleeve, which can further limit the movement direction of the movable mold and improve the movement stability of the movable mold.

[0014] As a further preference, the guide posts and guide sleeves are each provided with two groups, the two guide posts are respectively fixedly connected to the two sides of the movable template, and the two guide sleeves respectively correspond to the positions of the guide posts.

[0015] By adopting the above technical solution, the two sides of the movable mold are limited by the guide pins and the guide sleeves at the same time, and both sides of the movable mold remain stable during movement, and can be accurately molded with the fixed mold.

[0016] As further preferred, the drive assembly also includes a connecting plate, a screw and a screw sleeve, the connecting plate is fixedly connected between the two guide pillars, the screw sleeve is fixedly connected to the connecting plate and is arranged along the inclination direction of the upper end surface of the frame body, the screw is coaxially penetrated by the screw sleeve and is threadedly connected to the screw sleeve, and one end of the screw is rotatably connected to the fixed frame.

[0017] By adopting the above technical solution, the screw is rotated to make the sleeve move on the screw, the sleeve drives the connecting plate to move, and the connecting plate drives the movable mold to move through the guide column to realize the mold opening between the movable mold and the fixed mold.

[0018] As a further preferred embodiment, a plurality of push rods are fixedly connected to a side of the fixed frame close to the movable template, a socket for the push rods to pass through is provided on the movable template, a movable plate is connected to a side of the movable mold close to the push rod, a demolding rod is connected to the movable plate, a through hole is provided in the movable mold for the demolding rod to be inserted, the through hole is connected to the cavity, and a reset spring is fixedly connected between the movable plate and the movable mold.

[0019] By adopting the above technical solution, when the movable mold and the fixed mold are opened, when the movable mold moves to a certain position, the push rod passes through the socket to push the movable plate, so that the demoulding rod enters the cavity from the through hole, thereby ejecting the casting for easy collection of the casting.

[0020] As a further preference, a hand wheel is coaxially fixedly connected to the screw rod.

[0021] By adopting the above technical solution, a hand wheel is provided so as to manually drive the screw to rotate, thereby driving the movable mold to move.

[0022] As a further preference, a plurality of reinforcing ribs are provided on the frame body and the fixing frame.

[0023] By adopting the above technical solution, the structural strength of the frame body and the fixed frame is improved by reinforcing ribs, so that the movable mold and the fixed mold are more stable when opening and closing the mold.

[0024] In summary, the present invention has at least the following beneficial technical effects:

[0025] By setting a frame body with an inclined upper end face, the movable mold and the fixed mold are installed on the frame body in an inclined state, so that the cavity formed between the fixed mold and the movable mold is also inclined, and liquid metal is poured into the cavity from the runner, and the air in the cavity is discharged from the runner until the cavity is filled with liquid metal. When the liquid metal is poured, the air in the cavity can be completely discharged. At the same time, since the cavity and the runner are inclined, the liquid metal flows along the inner wall of the cavity, thereby avoiding bubbles caused by splashing of the liquid due to free fall, avoiding defects such as pores on the molded casting, and improving the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0027] Figure 2 It is a front view structural schematic diagram of an embodiment of the utility model.

[0028] Throughout the drawings, the same reference numerals are used to denote the same elements or structures, wherein:

[0029] 1. Main body of the frame; 11. Slide rail; 12. Fixed frame; 13. Push rod; 14. Reinforcement rib; 2. Fixed mold; 3. Moving mold; 31. Movable plate; 32. Demolding rod; 33. Reset spring; 4. Driving assembly; 41. Guide column; 42. Guide sleeve; 43. Connecting plate; 44. Screw; 45. Screw sleeve; 46. Handwheel; 5. Fixed mold plate; 6. Moving mold plate. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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 device or element referred to 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.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The following is combined with Figure 1-2 The utility model is described in further detail.

[0035] The utility model embodiment discloses an inclined casting mold opening and closing mechanism.

[0036] Reference Figure 1 A tilting casting mold opening and closing mechanism comprises a frame body 1, a fixed mold 2, a movable mold 3, a fixed mold plate 5, a movable mold plate 6 and a driving assembly 4, wherein the upper end surface of the frame body 1 is arranged to be an inclined surface, and the fixed mold 2 is fixedly connected to the lowest point of the upper end surface of the frame body 1 through the fixed mold plate 5. Specifically, the fixed mold plate 5 is first fixedly connected to the lowest point of the upper end surface of the frame body 1 by bolts, and then the fixed mold 2 is fixedly connected to the fixed mold plate 5; the movable mold 3 is slidably arranged along the inclined direction of the frame body 1, the movable mold plate 6 is fixedly connected to the movable mold 3, and the movable mold 3 is driven by the driving assembly 4 to approach or move away from the fixed mold 2. After the fixed mold 2 and the movable mold 3 are molded, a cavity is formed between the two. A runner connected to the cavity is arranged between the fixed mold 2 and the movable mold 3, and liquid metal is poured into the cavity from the runner, and the air in the cavity is discharged from the runner until the cavity is filled with liquid metal, and the liquid metal is formed in the cavity to form a casting.

[0037] In order to improve the sliding stability of the movable mold 3, a plurality of slide rails 11 arranged along the inclined direction are fixedly connected to the upper end surface of the frame body 1. The movable mold 3 is slidably adapted to the plurality of slide rails 11. The slide rails 11 guide the movement of the movable mold 3. The movable mold 3 slides on the slide rails 11 to realize the opening and closing of the mold with the fixed mold 2, so that the movement of the movable mold 3 is more stable.

[0038] In this embodiment, a fixing frame 12 is fixedly connected to the highest point of the upper end surface of the frame body 1, and the driving assembly 4 is arranged on the fixing frame 12, and a plurality of reinforcing ribs 14 of an integrally formed structure are arranged on the fixing frame 12, the frame body 1 and the mold frame. The structural strength of the frame body 1, the fixing frame 12 and the mold frame is improved by the reinforcing ribs 14, so that the movable mold 3 and the fixed mold 2 are more stable when opening and closing the mold.

[0039] In order to drive the movable mold 3 to move on the frame body 1, the driving assembly 4 includes a guide column 41, a guide sleeve 42, a connecting plate 43, a screw rod 44, a screw sleeve 45 and a hand wheel 46, wherein the guide sleeve 42 is fixedly connected to the fixed frame 12 and arranged along the inclined direction, one end of the guide column 41 is connected to the movable template 6, and a through hole for the guide column 41 to penetrate is opened on the guide sleeve 42. The moving direction of the movable mold 3 is further restricted by the guide column 41, thereby improving the movement stability of the movable mold 3, and two groups of guide columns 41 and guide sleeves 42 are provided. The two guide columns 41 are respectively fixedly connected to the two sides of the movable template 6, and the two guide sleeves 42 correspond to the positions of the guide columns 41, respectively, so that the movable mold 3 can move. Both sides remain stable; the connecting plate 43 is fixedly connected between the two guide pillars 41, the screw sleeve 45 is fixedly connected to the connecting plate 43 and is arranged along the inclined direction of the upper end surface of the frame body 1, the screw 44 is coaxially penetrated by the screw sleeve 45 and is threadedly connected with the screw sleeve 45, one end of the screw 44 is rotatably connected to the fixed frame 12, and the other end is coaxially fixedly connected with the hand wheel 46, by rotating the hand wheel 46 to drive the screw 44 to rotate, the screw sleeve 45 can move on the screw 44, the screw sleeve 45 drives the connecting plate 43 to move, and the connecting plate 43 drives the movable mold 3 to move through the guide pillars 41, so as to realize the mold opening between the movable mold 3 and the fixed mold 2, the structure is simple, the mold opening is convenient, and the production efficiency is improved.

[0040] To facilitate the demoulding of the casting, a plurality of push rods 13 are fixedly connected to the side of the fixed frame 12 close to the movable mold 3, and a socket for the push rods 13 to pass through is provided on the movable mold plate 6. A movable plate 31 is connected to the side of the movable mold 3 close to the push rod, and a demoulding rod 32 is fixedly connected to the movable plate 31. A through hole for the demoulding rod 32 to be inserted is provided on the movable mold 3, and the through hole is connected to the cavity. When the movable mold 3 and the fixed mold 2 are opened, when the movable mold 3 moves to a certain position, the push rod 13 pushes the movable plate 31 to make the demoulding rod 32 enter the cavity from the through hole, so that the casting can be ejected, and a reset spring 33 is fixedly connected between the movable plate 31 and the movable mold 3 to reset the movable plate.

[0041] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A tilting casting mold opening and closing mechanism, characterized in that: The invention comprises a frame body (1), a fixed mold (2), a movable mold (3), a fixed mold plate (5) and a movable mold plate (6); the upper end surface of the frame body (1) is arranged to be an inclined surface; the fixed mold (2) is fixedly connected to the lowest point of the upper end surface of the frame body (1) through the fixed mold plate (5); the movable mold (3) is slidably arranged along the inclined direction of the frame body (1); the movable mold plate (6) is fixedly connected to the movable mold (3); a cavity is formed between the fixed mold (2) and the movable mold (3); a runner connected to the cavity is arranged between the fixed mold (2) and the movable mold (3); and the mold opening and closing mechanism further comprises a driving component (4) for driving the movable mold (3) to approach or move away from the fixed mold (2).

2. The tilting casting mold opening and closing mechanism according to claim 1, characterized in that: The upper end surface of the frame body (1) is fixedly connected to a plurality of slide rails (11) arranged along an inclined direction, and the movable mold (3) is slidably adapted to the plurality of slide rails (11).

3. The tilting casting mold opening and closing mechanism according to claim 1, characterized in that: A fixing frame (12) is fixedly connected to the highest point of the upper end surface of the frame body (1), and the driving assembly (4) is arranged on the fixing frame (12).

4. The tilting casting mold opening and closing mechanism according to claim 3, characterized in that: The driving assembly (4) comprises a guide column (41) and a guide sleeve (42); the guide sleeve (42) is fixedly connected to the fixed frame (12) and arranged in an inclined direction; one end of the guide column (41) is connected to the movable template (6); and the guide sleeve (42) is provided with a through hole for the guide column (41) to pass through.

5. The tilting casting mold opening and closing mechanism according to claim 4, characterized in that: The guide posts (41) and guide sleeves (42) are each provided in two groups, the two guide posts (41) are respectively fixedly connected to the two sides of the movable template (6), and the two guide sleeves (42) respectively correspond to the positions of the guide posts (41).

6. The tilting casting mold opening and closing mechanism according to claim 4, characterized in that: The driving assembly (4) further comprises a connecting plate (43), a screw rod (44) and a screw sleeve (45); the connecting plate (43) is fixedly connected between the two guide pillars (41); the screw sleeve (45) is fixedly connected to the connecting plate (43) and is arranged along the inclined direction of the upper end surface of the frame body (1); the screw rod (44) is coaxially penetrated by the screw sleeve (45) and is threadedly connected to the screw sleeve (45); one end of the screw rod (44) is rotatably connected to the fixing frame (12).

7. The tilting casting mold opening and closing mechanism according to claim 6, characterized in that: A plurality of push rods (13) are fixedly connected to a side of the fixed frame (12) close to the movable plate (6); a plug hole for the push rods (13) to pass through is provided on the movable plate (6); a movable plate (31) is connected to a side of the movable mold (3) close to the push rods (13); a demoulding rod (32) is connected to the movable plate (31); a through hole is provided on the movable mold (3) for the demoulding rod (32) to be inserted; the through hole is connected to the mold cavity; a reset spring (33) is fixedly connected between the movable plate (31) and the movable mold (3).

8. The tilting casting mold opening and closing mechanism according to claim 6, characterized in that: A hand wheel (46) is coaxially and fixedly connected to the screw rod (44).

9. The tilting casting mold opening and closing mechanism according to claim 3, characterized in that: A plurality of reinforcing ribs (14) are provided on the frame body (1) and the fixing frame (12).

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