Nodular cast iron production pouring device and method

Abstract

The invention discloses a nodular cast iron production pouring device and method.The nodular cast iron production pouring device comprises a protective shell, supporting legs are arranged at the corners of the lower end of the protective shell, a pouring base used for supporting a pouring mold is arranged in the protective shell, and a movable base is arranged below the pouring base; the movable base is connected with a displacement assembly used for driving the movable base to move out of the protective shell, a buffer assembly is arranged between the pouring base and the movable base, a vibration motor is arranged on the lower end face of the pouring base, and a clamping assembly for fixing the mold body is arranged at the upper end of the pouring base. The pouring environment is located in the box body, the safety is guaranteed, during pouring operation, molten iron is poured through the feeding assembly, manual pouring is not needed, the pouring accuracy and safety are further improved, pouring flow can be conveniently controlled through pouring, filling of a pouring inner cavity is facilitated in cooperation with assistance of a vibration motor, and the pouring efficiency is improved. And the pouring quality is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pouring equipment, in particular to a nodular cast iron production pouring device and method. BACKGROUND

[0002] Nodular cast iron is a kind of high-strength cast iron material, and its comprehensive performance is close to that of steel. When the nodular cast iron material is melted and then poured into a pouring mold, the molten cast iron is usually poured from a smelting furnace into the pouring mold. After the material is formed and cooled, the mold and the material are demolded to obtain a finished workpiece formed by the molten iron. When the molten iron of the nodular cast iron material is poured from the pouring box into the pouring mold, the object to be poured or the mold is extremely easy to be poured when in contact with the molten iron, which not only leads to pouring failure, but also easily causes harm to the workers. The patent with the patent number CN116197387A records a nodular cast iron production pouring device. The device can improve the safety of pouring to a certain extent, but manual pouring is still required, the flow of molten iron is not easy to control, and the mold is not easy to open. SUMMARY

[0003] The present application relates to the technical field of pouring equipment, in particular to a nodular cast iron production pouring device and method.

[0004] The technical solution of the present application to solve the above technical problems is as follows:

[0005] A nodular cast iron production pouring device, comprising a protective shell, a supporting leg is arranged at the lower end corner of the protective shell, a pouring base for supporting a pouring mold is arranged in the protective shell, a movable base is arranged below the pouring base, the movable base is connected with a displacement assembly for driving it to move out of the protective shell, a buffer assembly is arranged between the pouring base and the movable base, a vibration motor is arranged at the lower end face of the pouring base, a clamping assembly for fixing a mold body is arranged at the upper end of the pouring base, the mold body comprises a lower mold, an upper mold is arranged at the upper end of the lower mold in a matching manner, the inner cavities of the upper mold and the lower mold form a pouring cavity, a pouring hole and a discharge hole are arranged at the upper end of the upper mold, a feeding assembly for pouring molten iron is arranged at the upper end of the protective shell, an auxiliary heat dissipation assembly for accelerating airflow circulation in the protective shell is further arranged on the protective shell, and a movable door group is arranged at the opening position of the front face of the protective shell.

[0006] Further scheme: the movable door group comprises a movable door matched with the movable door opening of the protective shell, traction blocks are symmetrically arranged at both ends of the movable door, the traction blocks are connected with door rods, the lower ends of the door rods are connected with the output ends of lifting push rods, and the lifting push rods are fixed outside the protective shell.

[0007] Further scheme: the mold clamping assembly comprises a clamping sliding groove formed in the upper end of the pouring base, two vertical seats are slidably arranged in the clamping sliding groove, one second clamping plate is fixed on each vertical seat, the second clamping plate is used for clamping the outer side of the lower mold, a first clamping plate is further arranged above the second clamping plate, the first clamping plate is used for clamping the outer side of the upper mold, a clamping driving member is connected to the lower end of the vertical seat for driving the clamping, the clamping surfaces of the first clamping plate and the second clamping plate are provided with elastic clamping pads, and the first clamping plate is connected to a downward pressing locking member for pulling the downward movement of the first clamping plate;

[0008] Further scheme: the downward pressing locking member comprises a vertical sliding groove arranged at the upper end of the vertical seat, a vertical sliding block is slidably arranged in the vertical sliding groove, one side of the vertical sliding block is connected with the first clamping plate, a guide rod is arranged in the vertical sliding groove, the guide rod is slidably arranged with the vertical sliding block, the lower end of the vertical sliding block is connected with the bottom of the vertical sliding groove through a return spring, the outer side of the vertical sliding block is connected with one end of a pulling rope, the other end of the pulling rope is connected with the surface of the pouring base, and the pulling rope is an elastic rope;

[0009] Further scheme: the clamping driving member comprises clamping threaded blocks arranged at the lower end of the vertical seat, the two clamping threaded blocks are threadedly arranged on a clamping screw rod, one end of the clamping screw rod is rotatably connected with a fixed block at the lower end of the pouring base, the other end of the clamping screw rod is connected to a clamping motor for driving the rotation of the clamping screw rod, the clamping screw rod is provided with two thread regions corresponding to the two clamping threaded blocks, and the thread directions of the two thread regions are opposite;

[0010] Further scheme: the auxiliary heat dissipation assembly comprises air inlet channels symmetrically arranged on the two sides of the protective shell, and air inlet fans are arranged in the air inlet channels for accelerating the flow of air flow;

[0011] Further scheme: the feeding assembly comprises a melting box arranged on the protective shell, an electromagnetic heating outer ring is sleeved outside the melting box, a pouring head for guiding molten iron is arranged at the lower end of the melting box, a butterfly valve is arranged on the pouring head, a camera for detecting the position of the mold body is arranged in the protective shell, and a mark scale matched with the mold body is arranged at the upper end of the pouring base;

[0012] Further scheme: the buffer assembly comprises support side blocks symmetrically arranged at the four corner positions of the pouring base, support guide rods are slidably arranged in the support side blocks, the support side blocks and the movable base are connected through support springs, and damping blocks are further arranged between the pouring base and the movable base;

[0013] Further scheme: the inner wall of the protective shell is provided with a heat insulation layer and a sound insulation layer.

[0014] Further scheme: the displacement assembly comprises a horizontal sliding groove arranged inside the protective shell, the horizontal sliding groove is slidably arranged on both sides of the movable base, the inner wall of the horizontal sliding groove is provided with a plurality of ball bearings for supporting the movable base, the friction resistance of the displacement of the movable base is reduced, a horizontal screw hole is arranged at the center position of the movable base, a horizontal pushing screw rod is matched and arranged in the horizontal screw hole, the horizontal pushing screw rod is driven by a horizontal pushing motor, and the horizontal pushing motor is arranged on the protective shell.

[0015] The present application has the following advantages:

[0016] The present application is designed according to the existing needs. The pouring environment is inside the box, the safety is guaranteed, when the pouring operation is carried out, the molten iron is poured through the feeding assembly, manual pouring is not needed, the accuracy and safety of pouring are further improved, and the pouring flow is also easy to control, and the auxiliary vibration motor is used, which is helpful to the filling of the pouring cavity and guarantees the quality of pouring.

[0017] The present application can send the pouring body out and in through the displacement assembly, which is convenient to improve the processing efficiency of the operator, and the upper and lower molds are locked when the pouring body is clamped, which further guarantees the processing quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of one side of the present application.

[0019] Figure 2 It is a structural schematic view of the other side of the present application.

[0020] Figure 3 It is a structural schematic view of the present application after the movable base is moved out.

[0021] Figure 4 It is a structural schematic view of the bottom of the movable base of the present application.

[0022] Figure 5 It is a structural schematic view of one side of the mold clamping assembly of the present application.

[0023] Figure 6 It is a structural schematic view of the other side of the mold clamping assembly of the present application.

[0024] Figure 7 It is a structural schematic view of the other side of the mold clamping assembly of the present application. Figure 6

[0025] In the figure: protective shell 100, air inlet channel 101, air inlet fan 102, supporting leg 103;

[0026] Movable door 200, door rod 201, lifting push rod 202;

[0027] ​Movable base 300, horizontal pushing motor 301, horizontal pushing screw 302, horizontal screw hole 303, horizontal sliding groove 304;

[0028] Pouring base 400, support side block 401, support guide rod 402, support spring 403;

[0029] Mold clamping assembly 500, first clamping plate 501, vertical sliding block 502, second clamping plate 503, traction rope 504, vertical seat 505, clamping sliding groove 506, clamping motor 507, clamping screw 508, clamping threaded block 509, reset spring 510;

[0030] Melting box 600, electromagnetic heating outer ring 601, pouring head 602;

[0031] Upper mold 701, lower mold 702. DETAILED DESCRIPTION

[0032] The principles and features of the present application are described below in conjunction with the accompanying drawings, and the examples are only used to explain the present application and not to limit the scope of the present application.

[0033] Reference Figures 1-7 As shown, a nodular cast iron production pouring device includes a protective shell 100, a support leg 103 is arranged at the lower corner of the protective shell 100, a pouring base 400 for supporting a pouring mold is arranged inside the protective shell 100, a movable base 300 is arranged below the pouring base 400, the movable base 300 is connected to a displacement assembly for driving it to move out of the protective shell 100, the formed workpiece can be sent out through the displacement assembly, which is convenient for the operator to operate, a buffer assembly is arranged between the pouring base 400 and the movable base 300, a vibration motor is arranged at the lower end face of the pouring base 400, the pouring of molten iron into the formed inner cavity is facilitated through the assistance of the vibration motor, a clamping assembly for fixing the mold body is arranged at the upper end of the pouring base 400, the mold body includes a lower mold 702, an upper mold 701 is arranged at the upper end of the lower mold 702, the inner cavities of the upper mold 701 and the lower mold 702 form a pouring inner cavity, a pouring hole and a discharge hole are arranged at the upper end of the upper mold 701, a feeding assembly for pouring molten iron is arranged at the upper end of the protective shell 100, an auxiliary heat dissipation assembly for accelerating the airflow circulation inside the protective shell 100 is also arranged on the protective shell 100, the self-cooling speed of the mold body can be adjusted through the auxiliary heat dissipation assembly to meet the needs of different processing techniques, a movable door assembly is arranged at the opening position of the front face of the protective shell 100;

[0034] The movable door set comprises a movable door 200 matched with the movable door opening of the protective shell 100, traction blocks are symmetrically arranged at two ends of the movable door 200, the traction blocks are connected with door rods 201, the lower ends of the door rods 201 are connected with the output ends of lifting push rods 202, the lifting push rods 202 are fixed outside the protective shell 100, and the lifting push rods 202 can slide up and down under the drive of the lifting push rods 202, so that the safety of pouring is improved;

[0035] The mold clamping assembly 500 comprises a clamping sliding groove 506 arranged at the upper end of the pouring base 400, two vertical seats 505 are slidably arranged in the clamping sliding groove 506, one second clamping plate 503 is fixed on each vertical seat 505, the second clamping plate 503 is used for clamping the outer side of the lower mold 702, a first clamping plate 501 is further arranged above the second clamping plate 503, the first clamping plate 501 is used for clamping the outer side of the upper mold 701, the lower ends of the vertical seats 505 are connected with clamping driving members used for driving the clamping, the clamping surfaces of the first clamping plate 501 and the second clamping plate 503 are provided with elastic clamping pads, the first clamping plate 501 is connected with a downward pressing locking member used for pulling the downward movement of the first clamping plate 501, the downward pressing locking member can assist the upper mold 701 and the lower mold 702 to be tightly closed while clamping the mold body, so that the problem that the gap is increased due to excessive heat during pouring is avoided;

[0036] The downward pressing locking member comprises a vertical sliding groove arranged at the upper end of the vertical seat 505, a vertical sliding block 502 is slidably arranged in the vertical sliding groove, one side of the vertical sliding block 502 is connected with the first clamping plate 501, a guide rod is arranged in the vertical sliding groove and slidably arranged with the vertical sliding block 502, the lower end of the vertical sliding block 502 is connected with the bottom of the vertical sliding groove through a reset spring 510, one end of a traction rope 504 is connected with the outer side of the vertical sliding block 502, the other end of the traction rope 504 is connected with the surface of the pouring base 400, when the mold body is clamped, the second clamping plate 503 and the first clamping plate 501 are in contact with the lower mold 702 and the upper mold 701 respectively, at this time, the traction rope 504 is in a taut state, the traction rope 504 is an elastic rope, with the continuous clamping, the elastic clamping pad is deformed, the clamping area is increased, the clamping damage caused by local clamping is avoided, in the deformation process, the traction rope 504 generates a downward pulling force on the vertical sliding block 502, so that the first clamping plate 501 moves downward, the first clamping plate 501 drives the upper mold 701 to be tightly pressed on the lower mold 702, so that the state locking of the mold body is completed;

[0037] The clamping driving element comprises clamping threaded blocks 509 arranged at the lower end of the vertical seat 505, two clamping threaded blocks 509 are threadedly arranged on a clamping screw rod 508, one end of the clamping screw rod 508 is rotationally connected with a fixed block at the lower end of the pouring base 400, the other end of the clamping screw rod 508 is connected with a clamping motor 507 for driving the rotation of the clamping screw rod 508, the clamping screw rod 508 is provided with thread zones corresponding to the two clamping threaded blocks 509, the thread directions of the two thread zones are opposite, under the driving of the clamping motor 507, the clamping screw rod 508 rotates relative to the clamping threaded blocks 509, under the action of the threads, the clamping threaded blocks 509 drive the two vertical seats 505 to approach, thereby providing power for clamping;

[0038] The auxiliary heat dissipation assembly comprises air inlet channels 101 symmetrically arranged on both sides of the protective shell 100, the air inlet channels 101 are provided with air inlet fans 102 for accelerating the flow of air, one of the two air inlet fans 102 is used for blowing air into the protective shell 100, and the other is used for extracting air from the protective shell 100, the two are matched to realize rapid cooling of the inside of the protective shell 100, so as to change the cooling environment of the pouring body;

[0039] The feeding assembly comprises a melting box 600 arranged on the protective shell 100, the melting box 600 is externally sleeved with an electromagnetic heating outer ring 601, the lower end of the melting box 600 is provided with a pouring head 602 for guiding molten iron, the pouring head 602 is provided with a butterfly valve, the molten iron is first stored in the melting box 600, heat is provided by the electromagnetic heating outer ring 601, and then the speed of pouring out of the molten iron is controlled by the pouring head 602, so as to match the pouring hole of the mold body, without manual operation of the staff, the safety is higher, the inside of the protective shell 100 is provided with a camera for detecting the position of the mold body, and the upper end of the pouring base 400 is provided with a mark scale matched with the mold body, so as to pre-adjust the positions of the pouring hole and the pouring head 602;

[0040] The buffering assembly comprises support side blocks 401 symmetrically arranged at four corner positions of the pouring base 400, support guide rods 402 are slidably arranged in the support side blocks 401, the support side blocks 401 and the movable base 300 are connected through support springs 403, and damping blocks are further arranged between the pouring base 400 and the movable base 300, when the pouring base 400 vibrates, the damping blocks and the support guide rods 402 are matched, so as to reduce the influence of vibration on the protective shell 100;

[0041] The inner wall of the protective shell 100 is provided with a heat insulation layer and a sound insulation layer, so as to control the cooling temperature and reduce the pollution of noise to the environment;

[0042] The displacement assembly comprises a horizontal sliding groove 304 arranged inside the protective shell 100, the horizontal sliding groove 304 is slidably arranged on both sides of the movable base 300, the inner wall of the horizontal sliding groove 304 is provided with ball bearings for supporting the movable base 300, the friction resistance of the displacement of the movable base 300 is reduced, a horizontal screw hole 303 is arranged at the center position of the movable base 300, a horizontal pushing screw 302 is matched and arranged in the horizontal screw hole 303, the horizontal pushing screw 302 is driven by a horizontal pushing motor 301, the horizontal pushing motor 301 is arranged on the protective shell 100, under the driving of the horizontal pushing motor 301, the horizontal pushing screw 302 rotates relative to the movable base 300, under the action of the screw thread, the movable base 300 can slide along the horizontal sliding groove 304, and power is provided for mold transfer, so that feeding and discharging operations are facilitated.

[0043] Working principle: the combined mold body is placed on the pouring base 400, and then the mold clamping assembly 500 is used to clamp the mold body, under the driving of the clamping motor 507, the clamping screw 508 rotates relative to the clamping screw block 509, under the action of the screw thread, the clamping screw block 509 drives the two vertical seats 505 to approach, thereby providing power for clamping, when the mold body is clamped, the second clamping plate 503 and the first clamping plate 501 are in contact with the lower mold 702 and the upper mold 701 respectively, at this time, the traction rope 504 is in a taut state, the traction rope 504 is an elastic rope, as the clamping continues, the elastic clamping pad deforms, the clamping area is increased, local clamping damage is avoided, and the traction rope 504 generates a downward pulling force on the vertical sliding block 502 in the deformation process, so that the first clamping plate 501 moves downward, and the first clamping plate 501 drives the upper mold 701 to tightly press on the lower mold 702, thereby completing the state locking of the mold body;

[0044] Then the movable base 300 is received in the protective shell 100 through the displacement assembly, the movable door group is closed, the mold body is subjected to pouring operation through the feeding assembly, and the pouring base 400 is vibrated through the vibration motor, so that the molten iron can better complete the filling operation, after the filling is completed, the air flow in the protective shell 100 is accelerated through the auxiliary heat dissipation assembly, which is helpful to meet different cooling requirements.

[0045] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A casting apparatus for producing ductile iron, comprising a protective shell (100), wherein a casting base (400) for supporting a casting mold is provided inside the protective shell (100), and a movable base (300) is provided below the casting base (400), characterized in that, The movable base (300) is connected to a displacement component for moving it out of the protective shell (100). A buffer component is provided between the casting base (400) and the movable base (300). A vibration motor is provided on the lower end face of the casting base (400). A clamping component for fixing the mold body is provided on the upper end of the casting base (400). The mold body includes a lower mold (702). An upper mold (701) is provided on the upper end of the lower mold (702). The inner cavities of the upper mold (701) and the lower mold (702) form a casting cavity. A casting hole and a discharge hole are provided on the upper end of the upper mold (701). A feeding component for casting molten iron is provided on the upper end of the protective shell (100). An auxiliary heat dissipation component for accelerating the airflow inside the protective shell (100) is also provided on the protective shell (100). A movable door assembly is provided at the opening position on the front of the protective shell (100).

2. The ductile iron production casting apparatus according to claim 1, characterized in that, The movable door assembly includes a movable door (200) that matches the movable doorway of the protective shell (100). The movable door (200) has symmetrical traction blocks at both ends. The traction blocks are connected to the door rod (201). The lower end of the door rod (201) is connected to the output end of the lifting push rod (202). The lifting push rod (202) is fixed on the outside of the protective shell (100).

3. The ductile iron production casting apparatus according to claim 1, characterized in that, The mold clamping assembly (500) includes a clamping groove (506) formed on the upper end of the casting base (400). Two vertical seats (505) are slidably arranged in the clamping groove (506). A second clamping plate (503) is fixed on each vertical seat (505). The second clamping plate (503) is used to clamp the outer side of the lower mold (702). A first clamping plate (501) is also provided above the second clamping plate (503). The outer side of the upper mold (701) is clamped by the first clamping plate (501). The lower end of the vertical seat (505) is connected to a clamping drive member for driving its clamping. The clamping surfaces of the first clamping plate (501) and the second clamping plate (503) are provided with elastic clamping pads. The first clamping plate (501) is connected to a downward locking member for pulling it to move downward.

4. The ductile iron production casting apparatus according to claim 3, characterized in that, The pressing locking component includes a vertical slide groove set on the upper end of the vertical seat (505), in which a vertical slider (502) is slidably disposed. One side of the vertical slider (502) is connected to the first clamping plate (501). A guide rod is provided in the vertical slide groove, and the guide rod is slidably disposed with the vertical slider (502). The lower end of the vertical slider (502) is connected to the bottom of the vertical slide groove through a return spring (510). The outer side of the vertical slider (502) is connected to one end of a traction rope (504), and the other end of the traction rope (504) is connected to the surface of the casting base (400). The traction rope (504) is an elastic rope.

5. The ductile iron production casting apparatus according to claim 3, characterized in that, The clamping drive includes clamping threaded blocks (509) disposed at the lower end of the vertical base (505). Two clamping threaded blocks (509) are threaded onto a clamping screw (508). One end of the clamping screw (508) is rotatably connected to a fixing block at the lower end of the casting base (400). The other end of the clamping screw (508) is connected to a clamping motor (507) for driving its rotation. The clamping screw (508) is provided with threaded areas corresponding to the two clamping threaded blocks (509), and the threads of the two threaded areas have opposite directions.

6. The ductile iron production casting apparatus according to claim 1, characterized in that, The auxiliary heat dissipation component includes air intake channels (101) symmetrically arranged on both sides of the protective shell (100), and an air intake fan (102) for accelerating airflow is provided in the air intake channel (101).

7. The ductile iron production casting apparatus according to claim 5, characterized in that, The feeding assembly includes a melting tank (600) mounted on a protective shell (100). An electromagnetic heating outer ring (601) is fitted around the outside of the melting tank (600). A casting head (602) for guiding molten iron is provided at the lower end of the melting tank (600). A butterfly valve is provided on the casting head (602). A camera for detecting the position of the mold body is provided inside the protective shell (100). A marking scale matching the mold body is provided at the upper end of the casting base (400).

8. The ductile iron production casting apparatus according to claim 5, characterized in that, The buffer assembly includes support side blocks (401) symmetrically arranged at the four corners of the casting base (400). Support guide rods (402) are slidably provided in the support side blocks (401). The support side blocks (401) and the movable base (300) are connected by support springs (403). A damping block is also provided between the casting base (400) and the movable base (300).

9. The ductile iron production casting apparatus according to claim 5, characterized in that, The displacement assembly includes a horizontal slide groove (304) disposed inside the protective housing (100). The horizontal slide groove (304) is slidably disposed on both sides of the movable base (300). The inner wall of the horizontal slide groove (304) is provided with balls for supporting the movable base (300) to reduce the frictional resistance of the displacement of the movable base (300). The movable base (300) is provided with a horizontal screw hole (303) at its center. A horizontal push screw (302) is fitted in the horizontal screw hole (303). The horizontal push screw (302) is driven by a horizontal push motor (301). The horizontal push motor (301) is disposed on the protective housing (100).

10. A method of using the ductile iron production casting apparatus according to claim 1, characterized in that, Includes the following steps: Step 1: Place the assembled mold body on the casting base (400), and then use the mold clamping assembly (500) to clamp the mold body; Step 2: Then, the movable base (300) is put into the protective shell (100) by the displacement component, the movable door group is closed, and the mold body is poured by the feeding component. The vibration motor assists the pouring base (400) to vibrate, so that the molten iron can be filled better. After filling, the auxiliary heat dissipation component accelerates the air flow inside the protective shell (100), which helps to meet different cooling requirements. Step 3: Then, use the displacement component to send the movable base (300) out of the protective shell (100) to complete the mold opening.

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