Cast steel pouring device convenient to demould

Abstract

The utility model relates to the technical field of steel processing equipment, and discloses a cast steel pouring device convenient to demould, which comprises a mould I and a mould II, cavities are arranged on opposite surfaces of the mould I and the mould II, after the mould I and the mould II are attached together, the cavities arranged on the mould I and the mould II can be spliced to form a casting cavity, and the mould I and the mould II are connected with the casting cavity. A supporting plate is further arranged at the bottom, corresponding to the first mold, of the cavity and can completely shield the bottom of the casting cavity, a mold drawing hole is formed in the side face, corresponding to the cavity, of the first mold, and a mold drawing rod can penetrate through the mold drawing hole. A drawing hole is formed in the side face, corresponding to the cavity, of the first mold, a drawing rod can penetrate through the drawing hole, and after molten steel is formed in the casting cavity and the first mold is pushed by the spinning rod, steel in the casting cavity is pushed through the acting force of the drawing rod, the steel is ejected out, and the steel is smoothly disengaged.

Description

Technical Field

[0001] The utility model relates to the field of steel processing equipment, in particular to a casting device for cast steel with convenient demoulding. Background Art

[0002] Since the fluidity of molten steel in cast steel is not as good as that of molten iron in cast iron, the shape and structure of cast steel cannot be too complicated. The usual practice is to add silicon to the molten steel to improve the fluidity of the molten steel. After the casting is completed, it is rather troublesome to remove the steel, which has always been a problem that has troubled technical personnel in this field.

[0003] According to a description of a casting device for steel casting with convenient demolding disclosed on the patent website (authorization publication number: CN217749242U), "When the electric telescopic rod is retracted, the supporting plate slowly descends. Since the casting cavity is located directly above the supporting plate, the formed steel is located at the center line of the supporting plate in the width direction. At the same time, the rotating portion is arranged at a position outside the center line. As the supporting plate descends, the weight of the steel causes the supporting plate to rotate about the rotating portion as the axis of rotation, causing the steel to slide off the upper surface of the supporting plate."

[0004] In view of the above description, the applicant believes that the following problems exist:

[0005] During the use of this utility model, since the cast steel is quickly cooled in the casting cavity, the fluidity of the molten steel gradually deteriorates. If the gravity of the steel is immediately used to rotate the supporting plate with the rotating part as the rotating axis without waiting for the molten steel to cool, the steel will slide and separate from the upper surface of the supporting plate. Such steel is easily deformed by external forces; if the molten steel is allowed to cool slightly, the formed steel will form a tight fit in the casting cavity, and most of the steel will be difficult to separate from the casting cavity under the action of gravity. Therefore, it is necessary to improve a casting device for cast steel that is convenient for demoulding to solve the above problems. Utility Model Content

[0006] In order to overcome the cooling of molten steel, the formed steel will form a tight fit in the casting cavity, and most of the steel is difficult to separate from the casting cavity due to gravity.

[0007] The technical solution of the present invention is: a pouring device for cast steel with convenient demoulding, comprising a mold 1 and a mold 2, wherein cavities are provided on the surfaces opposite to the mold 1 and the mold 2. When the mold 1 and the mold 2 are fitted together, the cavities opened on the mold 1 and the mold 2 can be spliced ​​into a casting cavity. A support plate is further provided at the bottom of the cavity corresponding to the mold 1, and the support plate can completely cover the bottom of the casting cavity. A demoulding hole is provided on the side of the mold 1 corresponding to the cavity, and a demoulding rod can pass through the demoulding hole.

[0008] Preferably, when mold 1 and mold 2 are fitted together, a casting cavity is formed in the cavities on mold 1 and mold 2 respectively, a casting port can be formed at the top of the casting cavity, a support plate is also provided at the bottom of the cavity corresponding to mold 1, and can completely cover the bottom of the casting cavity, and a demolding hole is provided on the side of the cavity corresponding to mold 1, and a demolding rod can pass through the demolding hole. When the molten steel is formed in the casting cavity, mold 1 is pushed by the spinning rod, and the force of the demolding rod is used to push the steel in the casting cavity, eject the steel, and smoothly make the steel fall off.

[0009] Preferably, the mold 1 is provided with a threaded hole perpendicular to the length of the mold 1, and the mold 2 is provided with a spin rod corresponding to the threaded hole. The spin rod is provided with an external thread corresponding to the threaded hole on the side close to the mold 1. The threaded hole and the external thread cooperate to form a simple screw rod to control the movement of the mold 1.

[0010] Preferably, the spin rod is inserted into mold 2, the spin rod being perpendicular to the length direction of mold 2. A connector 1 is provided on the side of the spin rod away from mold 1. A spin motor is arranged on the rear side of the connector 1. A connector 2 corresponding to connector 1 is provided on the output shaft of the spin motor. In order to prevent the spin motor from contacting the spin rod for a long time, the spin motor and the spin rod are separated and contacted by connector 1 and the connector.

[0011] As an advantage, the first connecting piece is a polygonal block, and the second connecting piece is a notch with the same shape as the polygonal block. The multi-deformable block can accurately transmit the rotation angle of the spin motor and realize the precise displacement of the mold.

[0012] Preferably, both the first and second connectors have rough friction surfaces, which can protect the spinning motor from damage while simplifying the structure and saving the cost of the coupling.

[0013] Preferably, the ejector pin is fixed to mold 2, while mold 1 and the spin motor are movable back and forth along the width of mold 2. This allows the ejector pin to serve two purposes: ejecting steel and acting as a track for mold 1, reducing costs and increasing efficiency. The spin motor's ability to move prevents damage from prolonged contact with the spin pin due to heat transfer.

[0014] Preferably, the ejector pin is located on a side adjacent to the cavity of mold 1, and when molds 1 and 2 are joined together to form a casting cavity, the ejector pin is flush with the cavity surface. To ensure smoothness within the casting cavity during casting, the ejector pin needs to be flush with the cavity surface when molds 1 and 2 are joined together.

[0015] Beneficial effects of the utility model:

[0016] 1. A demoulding hole is provided on the side of the corresponding cavity of the mold 1, and the demoulding rod can pass through the demoulding hole. When the molten steel is formed in the casting cavity, the mold 1 is pushed by the spinning rod, and the force of the demoulding rod is used to push the steel in the casting cavity, eject the steel, and smoothly make the steel fall off.

[0017] 2. The self-spinning motor can be separated from the self-spinning rod, which reduces the heat absorbed by the self-spinning motor from the self-spinning rod and protects the service life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic structural diagram of a mold of the utility model;

[0020] Figure 3 This is a cross-sectional view of the structure of the self-spinning rod and the threaded hole of the utility model;

[0021] Figure 4 This is a schematic diagram of the first and second structural embodiments of the connector of the present utility model;

[0022] Figure 5 This is a schematic diagram of the second embodiment of the first and second structures of the connector of the utility model;

[0023] Figure 6 This is a schematic diagram of the movement direction of the spin motor of the utility model mold 1;

[0024] Figure 7 This is a schematic diagram of the ejector rod and cavity structure of the utility model;

[0025] Figure 8 This is a schematic diagram of the structure of the spinning rod of the utility model.

[0026] Explanation of the accompanying reference numerals: 1. Mold 1; 11. Support plate; 12. Demolding hole; 13. Threaded hole; 2. Mold 2; 21. Spin rod; 211. External thread; 212. Connector 1; 3. Cavity; 4. Demolding rod; 41. Demolding position; 5. Spin motor; 51. Output shaft; 512. Connector 2; 61. Thrust ball bearing; 62. End cover; 63. Turntable. DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0028] like Figures 1-8 :

[0029] See also Figure 1-Figure 2The utility model provides an embodiment: a casting device for cast steel with convenient demolding, comprising a mold 1 and a mold 2, wherein a cavity 3 is provided on the surface opposite to the mold 1 and the mold 2 2. When the mold 1 and the mold 2 2 are attached together, the cavity 3 opened on the mold 1 and the mold 2 2 can be spliced ​​into a casting cavity, and a support plate 11 is further provided at the bottom of the cavity 3 corresponding to the mold 1, and the support plate 11 can completely cover the bottom of the casting cavity. A demolding hole 12 is provided on the side of the mold 1 corresponding to the cavity 3, and the demolding rod 4 can pass through the demolding hole 12. When mold 1 and mold 2 2 are fitted together, the cavities 3 on mold 1 and mold 2 2 respectively can form a casting cavity, and a casting port can be formed at the top of the casting cavity. In order to prevent the cast molten steel from flowing away, a support plate 11 is further provided at the bottom of the cavity 3 corresponding to mold 1. When facing different styles of steel, the style of the support plate 11 is the bottom style of the steel to be cast, completely covering the bottom of the casting cavity. This is not limited to the circle in the figure. A demolding hole 12 is provided on the side of the corresponding cavity 3 of mold 1, and the demolding rod 4 can pass through the demolding hole 12. When the molten steel is formed in the casting cavity, after mold 1 is pushed by the spinning rod 21, the force of the demolding rod 4 is used to push the steel in the casting cavity, eject the steel, and smoothly make the steel fall off.

[0030] See also Figure 2-Figure 3 In this embodiment, the mold 1 is provided with a threaded hole 13 perpendicular to the length direction of the mold 1, and the mold 2 is provided with a spin rod 21 corresponding to the threaded hole 13. The side of the spin rod 21 close to the mold 1 is provided with an external thread 211 corresponding to the threaded hole 13. The reason why the spin rod 21 can push the mold 1 to move is that the mold 1 is provided with a threaded hole 13 perpendicular to the length direction of the mold 1, and the side of the spin rod 21 close to the mold 1 is provided with an external thread 211 corresponding to the threaded hole 13, wherein the mold 2 is fixed. At this time, the spin rod 21 in the mold 2 can control the mold 1 to move left or right through the external thread 211, as shown in FIG. Figure 6 The arrow below the middle mold 1 is the direction in which the mold 1 can move. For the reason why the spin rod 21 can spin in the mold 2, please refer to Figure 8 There is a hole in the mold 2 corresponding to the position of the spinning rod 21. At the same time, the spinning rod 21 also has two raised turntables 63. Thrust ball bearings 61 can be installed on both sides of the turntable 63. An end cover 62 can be installed on one side of the thrust ball bearing 61 to prevent the spinning rod 21 from falling out.

[0031] See also Figure 4In this embodiment, the spin rod 21 is provided through the mold 2 2 , and the spin rod 21 is perpendicular to the length direction of the mold 2 2 . A connector 1 212 is provided on the side of the spin rod 21 away from the mold 1 1 . A spin motor 5 is arranged on the rear side of the connector 1 212 . A connector 2 512 corresponding to the connector 1 212 is provided on the output shaft 51 of the spin motor 5 . The spin motor 5 is required to rotate the spin rod 21 . The spin rod 21 is separated from the spin motor 5 when rotation is not required. The spin rod 21 will only contact the spin motor 5 when rotation is required. In order to achieve this clutch function, a connector 1 212 is required on the side of the spin rod 21 away from the mold 1 , and a connector 2 512 corresponding to the connector 1 212 is provided on the output shaft 51 of the spin motor 5 .

[0032] See also Figure 4 The first connecting member 212 is a polygonal block, and the second connecting member 512 has the same notch as the polygonal block. As a preferred embodiment, the first connecting member 212 is a polygonal block, and the second connecting member 512 has the same notch as the polygonal block, so that the polygonal block can be used to twist the spin rod 21 to rotate.

[0033] See also Figure 5 As another preferred solution, both the first connector 212 and the second connector 512 are rough friction surfaces, and friction is used to transmit the force of the spin motor 5 to the spin rod 21.

[0034] See also Figure 6 , the ejector rod 4 is fixed to the mold 2 2, and the mold 1 1 and the spin motor 5 are able to move back and forth along the width direction of the mold 2 2. Here, the ejector rod 4 is fixed to the mold 2 2, and the mold 1 1 and the spin motor 5 are able to move back and forth along the width direction of the mold 2 2. The reason for this arrangement is that the spin rod 21 can play the role of a screw rod, and the ejector rod 4 plays the role of a slider, which can not only realize the demoulding of the steel in the casting cavity but also play a guiding role for the mold 1. The reason why the spin motor 5 is not in contact with the spin rod 21 all the time is that the temperature of the molten steel being cast is very high. If the spin motor 5 is exposed to this high temperature for a long time, it will greatly affect the service life of the spin motor 5. Therefore, the spin motor 5 is only in contact with the spin rod 21 when needed.

[0035] See also Figure 7The ejector pin 4 has an ejection point 41 on the side closest to the cavity 3 of mold 1. When mold 1 and mold 2 are joined together to form a casting cavity, the ejection point 41 is flush with the surface of the cavity 3. When mold 1 and mold 2 are joined together to form a casting cavity, the ejection point 41 on the side closest to the cavity 3 of mold 1 needs to be flush with the surface of the cavity 3 to avoid affecting the shape of the cast steel.

[0036] During operation, first mold 1 and mold 2 are fitted together, and the cavity 3 in mold 1 and the cavity 3 in mold 2 form a casting cavity. Then molten steel is poured into the casting cavity. After the molten steel cools down slightly, the spin motor 5 moves to the left. Please refer to Figure 6 The double-headed arrow below the spinning motor 5 indicates the direction of the left and right movement of the spinning motor 5. When the spinning motor 5 moves to the left, the spinning motor 5 can touch the spinning rod 21, and the spinning motor 5 controls the rotation of the spinning rod 21. Since the external thread 211 of the spinning rod 21 is inserted into the threaded hole 13 of the mold 1, the left and right movement of the mold 1 is controlled. At the same time, the mold 1 is also provided with a demolding hole 12. In the process of the mold 1 moving to the left, the demolding rod 4 fixed on the left side of the mold 1 will push the steel in the mold 1 down, and then the spinning motor 5 rotates in the opposite direction, pulling the mold 1 to fit the mold 2 2 again, and the spinning motor 5 moves to the right, breaking away from the contact with the spinning rod 21, and ushering in a new round of casting.

[0037] Through the above steps, when mold 1 and mold 2 are fitted together, the cavities 3 on mold 1 and mold 2 can form a casting cavity, and a casting port can be formed at the top of the casting cavity. In order to prevent the molten steel from flowing away, a support plate 11 is provided at the bottom of the cavity 3 corresponding to mold 1, which can completely cover the bottom of the casting cavity. A demoulding hole 12 is provided on the side of the cavity 3 corresponding to mold 1, and the demoulding rod 4 can pass through the demoulding hole 12. When the molten steel is formed in the casting cavity, mold 1 is rotated by the rod After being pushed by 21, the force of the ejector rod 4 is used to push the steel in the casting cavity, eject the steel, and smoothly make the steel fall off, so as to solve the technical problem that the cast steel cools down quickly in the casting cavity and the fluidity of the molten steel gradually deteriorates. If the steel is immediately separated by the gravity without waiting for the molten steel to cool down, such steel is easily deformed by external force; if the steel is slightly cooled, the formed steel will form a tight fit in the casting cavity, and most of the steel will be difficult to be separated from the casting cavity by gravity.

Claims

1. A pouring device for cast steel with convenient demoulding, characterized in that: The invention comprises a mold 1 (1) and a mold 2 (2), wherein a cavity (3) is provided on the surface opposite to the mold 1 (1) and the mold 2 (2), and when the mold 1 (1) and the mold 2 (2) are attached together, the cavities (3) opened on the mold 1 (1) and the mold 2 (2) can be spliced ​​into a casting cavity, and a support plate (11) is further provided at the bottom of the cavity (3) corresponding to the mold 1 (1), and the support plate (11) can completely cover the bottom of the casting cavity, and a demoulding hole (12) is provided on the side of the mold 1 (1) corresponding to the cavity (3), and a demoulding rod (4) can pass through the demoulding hole (12).

2. A pouring device for casting steel with convenient demoulding according to claim 1, characterized in that: The mold one (1) is provided with a threaded hole (13) perpendicular to the length direction of the mold one (1), the mold two (2) is provided with a spinning rod (21) corresponding to the threaded hole (13), and the side of the spinning rod (21) close to the mold one (1) is provided with an external thread (211) corresponding to the threaded hole (13).

3. A pouring device for casting steel with convenient demoulding according to claim 2, characterized in that: The spin rod (21) is passed through the second mold (2), and the spin rod (21) is perpendicular to the length direction of the second mold (2). A connecting piece (212) is provided on the side of the spin rod (21) away from the first mold (1). A spin motor (5) is arranged on the rear side of the connecting piece (212). A connecting piece (512) corresponding to the connecting piece (212) is provided on the output shaft (51) of the spin motor (5).

4. A pouring device for casting steel with convenient demoulding according to claim 3, characterized in that: The first connecting member (212) is a polygonal block, and the second connecting member (512) is a notch that is the same as the polygonal block.

5. The pouring device for casting steel with convenient demoulding according to claim 3, characterized in that: The first connecting member (212) and the second connecting member (512) both have rough friction surfaces.

6. The pouring device for casting steel with convenient demoulding according to claim 3, characterized in that: The ejector rod (4) and the second mold (2) are fixed, and the first mold (1) and the spin motor (5) are capable of moving back and forth along the width direction of the second mold (2).

7. The pouring device for casting steel with convenient demoulding according to claim 1, characterized in that: The side of the ejector rod (4) close to the cavity (3) of the mold one (1) is the ejector position (41). When the mold one (1) and the mold two (2) are fitted together to form a casting cavity, the ejector position (41) is flush with the surface of the cavity (3).

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