Casting machine with protection function for casting

Abstract

The invention belongs to the field of casting equipment, and particularly relates to a casting machine with a protection function for casting, the casting machine comprises a ladle charging barrel, a fixed support device and a suspension support device, the ladle charging barrel is fixedly installed on the fixed support device, the fixed support device is rotatably connected to the suspension support device, and the suspension support device is rotatably connected to the fixed support device. A telescopic rod device is connected between the fixing support device and the hanging support device, a driving limiting device is arranged on the hanging support device, a protective circular plate device is hinged to the upper end of the ladle charging barrel and located below the driving limiting device, and the lower end face of the ladle charging barrel is fixedly connected with a driving support device. According to the device, the inclination angle of the ladle charging barrel is not changed in the pouring process, the operation stability and the pouring precision are improved, the protective circular plate device can seal the ladle charging barrel in time, molten iron is prevented from being splashed all around, and the device is safe and reliable. And the equipment safety is improved.

Description

Technical Field

[0001] The invention belongs to the field of casting equipment, and in particular relates to a casting pouring machine with a protective function. Background Art

[0002] Sand casting is a traditional metal casting process that uses sand as the main casting material to produce castings. Sand casting materials are widely available and relatively low in cost. They are suitable for casting various metals and alloys, and can produce castings with complex shapes and different sizes. The pouring machine is the equipment used to complete the workshop casting pouring. It is the key equipment to transfer the molten metal from the furnace to the sand mold cavity.

[0003] The Chinese patent application number CN201810865402.6 discloses an automatic molten iron casting equipment for sand casting, including a holding bucket, a rotating device, a driving mechanism and a control device, wherein the holding bucket is connected to the driving mechanism through a connecting frame, the rotating device includes a connecting rod assembly and a rotating assembly, the driving mechanism includes a driving electric cylinder, the control device includes a controller, a sensor assembly and a weighing assembly, the sensor assembly includes an angle sensor and a plurality of proximity sensors, the weighing assembly includes a gravity sensor and a connecting plate, the connecting plate is fixedly mounted on the connecting frame, the structure can be semi-automatically operated, improves the pouring efficiency, ensures the safety of the workers, and can control the weight of the molten iron poured into the mold to avoid excessive waste of molten iron. However, there are still some problems with the above device: each time the pouring needs to change the inclination angle of the molten iron ladle, resulting in a great change in the center of gravity of the entire pouring process, which is not conducive to the stability of the equipment operation and the accurate control of the weight of the molten iron pouring; lack of protective devices, if in an emergency such as a sudden shock of the pouring machine, it is difficult to avoid the problem of molten iron splashing from the pouring port, there is a great safety hazard. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies in the prior art and provide a casting machine with a protective function. During casting, there is no need to change the set inclination angle, thereby improving the stability of equipment operation and the casting accuracy. A protective device is set on the casting machine to avoid splashing of molten iron, thereby playing a safety insurance role, thereby effectively solving the problems existing in the prior art.

[0005] To achieve the above purpose, the specific technical solutions of the present invention are as follows: A casting machine with a protective function comprises a molten iron ladle barrel, a fixed support device and a hanging support device, wherein the molten iron ladle barrel is fixedly mounted on the fixed support device, the fixed support device is rotatably connected to the hanging support device, a telescopic rod device is connected between the fixed support device and the hanging support device, a driving limit device is arranged on the hanging support device, a protective circular plate device is hingedly connected to the upper end of the molten iron ladle barrel, the protective circular plate device is located below the driving limit device, a driving support device is fixedly connected to the lower end surface of the molten iron ladle barrel, a feeding piston plate device is drivingly connected to the driving support device, the feeding piston plate device is slidingly and sealingly connected to the inner wall of the molten iron ladle barrel, the driving support device can drive the feeding piston plate device to move in the molten iron ladle barrel, change the volume of the molten iron ladle barrel, and realize molten iron pouring, and when the driving limit device hits the protective circular plate device downward, the protective circular plate device is rapidly unfolded to close the molten iron ladle barrel to prevent molten iron from splashing out.

[0006] As a further arrangement of the above scheme, the upper end of the molten iron ladle barrel is provided with an inclined platform end face, a pouring nozzle is fixedly connected to one end of the high side of the inclined platform end face, and a hinge bracket is provided at one end of the low side of the inclined platform end face. The inclined platform end face can increase the installation space of other components.

[0007] As a further configuration of the above scheme, the fixed bracket device includes a fixed ring, which is symmetrically arranged up and down, and a symmetrically arranged side connecting device is fixedly connected between the two fixed rings, and an intermediate connecting device is connected between the two side connecting devices. The intermediate connecting device and the side connecting device are distributed circumferentially and spaced 90° apart, the intermediate connecting device is fixedly connected to the hinge bracket, and the fixed ring is fixedly connected to the molten iron ladle barrel.

[0008] As a further configuration of the above scheme, the suspension bracket device includes a suspension beam plate, both ends of the suspension beam plate are fixedly connected with vertically downward side connecting columns, the inner sides of the side connecting columns are provided with symmetrically arranged sliding grooves, the inner sides of the lower ends of the side connecting columns are rotatably connected to the side connecting devices, and the middle of the suspension beam plate is fixedly connected with a horizontally arranged intermediate plate, a suspension device is arranged at the center of the upper end surface of the suspension beam plate, and locking devices are arranged on both sides of the suspension device, the locking device includes a locking platform, a vertically downward locking column is arranged at the lower end of the locking platform, and a vertically upward sensor device is arranged at the upper end of the locking platform, the sensor device can detect the oscillation amplitude of the suspension bracket device, and once the oscillation amplitude is too large, the locking platform immediately releases the limit of the locking column.

[0009] As a further configuration of the above scheme, the upper end of the telescopic rod device is hinged to the middle plate, and the lower end of the telescopic rod device is hinged to the middle connecting device. The telescopic rod device can adjust the inclination angle of the molten iron ladle barrel on the suspension bracket device.

[0010] As a further setting of the above scheme, the driving limit device includes a limit plate, a buffer abutment platform is arranged at the center of the lower end surface of the limit plate, a vertically upward spring device is arranged on the upper end surface of the limit plate, and connecting platforms are arranged on both sides of the spring device. Slide platforms are fixedly connected to both ends of the limit plate, the slide platform is slidably connected to the slide groove, the connecting platform is connected to the locking column, and the upper end of the spring device is fixedly connected to the suspension beam plate.

[0011] As a further configuration of the above scheme, the protective circular plate device includes a first protective semicircular plate, the first protective semicircular plate is hinged on a hinge bracket, a driving box device is fixedly connected to the first protective semicircular plate, an impact head is arranged at one end of the driving box device, a trigger steel rope is arranged at the other end of the driving box device, the trigger steel rope is connected to the first protective semicircular plate through a first connecting platform, the driving box device and the impact head are perpendicular to the straight end surface of the first protective semicircular plate, a second protective semicircular plate is hinged on the first protective semicircular plate, a first baffle is arranged on the upper end surface of the second protective semicircular plate, a second baffle is vertically arranged on the first baffle, and the second protective semicircular plate can be The first protective semicircular plate swings, and when the first protective semicircular plate and the second protective semicircular plate are parallel, a complete circular plate is formed. When the first protective semicircular plate and the second protective semicircular plate are perpendicular, the second baffle is buckled on the impact head to keep the first protective semicircular plate and the second protective semicircular plate in a vertical state. When the trigger steel rope is hit, the drive box device is triggered, and the drive box device drives the impact head to move outward quickly. The second baffle contacts and locks with the impact head, and the impact head hits the second protective semicircular plate. The first protective semicircular plate and the second protective semicircular plate are parallel, and the impact head abuts against the first baffle to keep the first protective semicircular plate and the second protective semicircular plate in a parallel state.

[0012] As a further configuration of the above scheme, the driving bracket device includes a driving bracket and a driving device, the driving bracket is rotatably connected to a rotating driving platform at the center of the driving bracket, a screw hole is opened at the center of the rotating driving platform, and turbine teeth are opened on the outer wall of the rotating driving platform. A mounting bracket is arranged on one side of the driving bracket, and the driving device includes a rotating shaft, the rotating shaft is rotatably connected to the mounting bracket, a worm is fixedly connected to the rotating shaft, the worm is transmission-connected to the turbine teeth, and one end of the rotating shaft is connected to a driving motor.

[0013] As a further arrangement of the above scheme, the feeding piston plate device includes a feeding piston plate, which is slidingly and sealingly connected to the inner wall of the molten iron ladle barrel, and a vertically arranged screw is rotatably connected to the center of the lower end surface of the feeding piston plate, the screw is transmission-connected to the screw hole, and a limited position frustum is arranged at the outer end of the screw.

[0014] As a further configuration of the above scheme, a control handle device is fixedly connected to the outside of the suspension bracket device, and a control device is arranged on the control handle device, and the control device is electrically connected to the telescopic rod device, the locking device and the driving motor.

[0015] Beneficial effects of the present invention: The telescopic rod device adjusts the inclination angle of the iron ladle barrel on the hanging bracket device and locks it. The inclination angle at this time is convenient for pouring molten iron from the iron ladle barrel. The driving bracket device drives the feeding piston plate device to move in the iron ladle barrel, accurately changing the volume of the iron ladle barrel, and realizing precise control of the weight of the molten iron pouring. At the same time, it avoids the need to change the inclination angle of the iron ladle every time pouring, which greatly improves the operating stability and pouring accuracy of the equipment.

[0016] A driving limit device is arranged on the hanging bracket device, which cooperates with the protective circular plate device. When the pouring machine is in an emergency situation of sudden shock, the driving limit device is released and quickly hits the protective circular plate device. The protective circular plate device is automatically deployed to close the molten iron ladle barrel to prevent molten iron from splashing out and increase the safety of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic cross-sectional view of the overall structure of the present invention; Figure 2 is a side view of the present invention; Figure 3 It is a schematic diagram of the iron ladle barrel of the present invention; Figure 4 It is a schematic diagram of assembling the fixing bracket device and the hanging bracket device of the present invention; Figure 5 It is a schematic diagram of the driving limiting device of the present invention; Figure 6 It is a schematic diagram of the protective circular plate device of the present invention; Figure 7 It is a schematic diagram of the connection relationship between the feeding piston plate device and the driving bracket device of the present invention.

[0018] 1. Ladle barrel; 2. Fixed bracket device; 3. Suspension bracket device; 4. Telescopic rod device; 5. Drive limit device; 6. Protective circular plate device; 7. Feeding piston plate device; 8. Drive bracket device; 9. Control handle device; 101. Inclined platform end face; 102. Pouring nozzle; 103. Hinge bracket; 201. Fixed ring; 202. Side connecting device; 203. Middle connecting device; 301. Suspension beam plate; 302. Side connecting column; 3021. Slide; 303. Suspension device; 304. Locking device; 3041. Locking platform; 3042. Locking column; 3043. Sensor device; 305. Middle plate; 501. Limiting plate; 502. Buffer Abutment platform; 503, spring device; 504, connecting platform; 505, sliding platform; 601, first protective semicircular plate; 6011, first connecting platform; 6012, driving box device; 6013, impact head; 6014, triggering steel rope; 602, second protective semicircular plate; 6021, first baffle plate; 6022, second baffle plate; 701, feeding piston plate; 702, screw rod; 703, limiting circular platform; 801, driving bracket; 802, rotating driving platform; 8021, turbine gear; 8022, screw hole; 803, mounting bracket; 804, driving device; 8041, rotating shaft; 8042, worm; 8043, driving motor; 901, control device. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. Figures 1 to 7 The present application is described in detail with reference to embodiments.

[0021] like Figure 1 , Figure 2As shown, this embodiment discloses a casting machine with a protective function, including a molten iron ladle barrel 1, a fixed support device 2 and a hanging support device 3, the molten iron ladle barrel 1 is fixedly installed on the fixed support device 2, the fixed support device 2 is rotatably connected to the hanging support device 3, a telescopic rod device 4 is connected between the fixed support device 2 and the hanging support device 3, a driving limit device 5 is arranged on the hanging support device 3, a protective circular plate device 6 is hingedly connected to the upper end of the molten iron ladle barrel 1, and the protective circular plate device 6 is located below the driving limit device 5, the lower end surface of the molten iron ladle barrel 1 is fixedly connected to a driving support device 8, and a feeding piston plate device 7 is transmission-connected to the driving support device 8, and the feeding piston plate device 7 is slidingly and sealingly connected to the inner wall of the molten iron ladle barrel 1.

[0022] like Figure 3 As shown, the upper end of the iron ladle barrel 1 is provided with an inclined platform end surface 101, a pouring nozzle 102 is fixedly connected to the high side end of the inclined platform end surface 101, and a hinge bracket 103 is provided at the low side end of the inclined platform end surface 101. The inclined platform end surface 101 can increase the installation space of other components.

[0023] like Figure 4 As shown, the fixed support device 2 includes a fixed ring 201, the fixed ring 201 is symmetrically arranged up and down, a symmetrically arranged side connection device 202 is fixedly connected between the two fixed rings 201, an intermediate connection device 203 is connected between the two side connection devices 202, the intermediate connection device 203 and the side connection device 202 are distributed circumferentially and spaced 90° apart, the intermediate connection device 203 is fixedly connected to the hinge support 103, the fixed ring 201 is fixedly connected to the molten iron ladle barrel 1, and the suspension support device 3 includes a suspension beam plate 301, and the two ends of the suspension beam plate 301 are fixedly connected with vertically downward side connection columns 302, and the inner side of the side connection column 302 is provided with a symmetrically arranged slide groove 30 21. The inner side of the lower end of the side connecting column 302 is rotatably connected to the side connecting device 202. A horizontally arranged middle plate 305 is fixedly connected in the middle of the suspension beam plate 301. A suspension device 303 is arranged at the center of the upper end surface of the suspension beam plate 301. Locking devices 304 are arranged on both sides of the suspension device 303. The locking device 304 includes a locking platform 3041. A vertically downward locking column 3042 is arranged at the lower end of the locking platform 3041. A vertically upward sensor device 3043 is arranged at the upper end of the locking platform 3041. The sensor device 3043 can detect the oscillation amplitude of the suspension bracket device 3. Once the oscillation amplitude is too large, the locking platform 3041 immediately releases the limit of the locking column 3042.

[0024] The upper end of the telescopic rod device 4 is hinged to the middle plate 305, and the lower end of the telescopic rod device 4 is hinged to the middle connecting device 203. The telescopic rod device 4 can adjust the inclination angle of the molten iron ladle barrel 1 on the hanging bracket device 3. The outer side of the hanging bracket device 3 is fixedly connected with a control handle device 9, and the control handle device 9 is provided with a control device 901. The control device 901 is electrically connected to the telescopic rod device 4, the locking device 304 and the driving motor 8043.

[0025] like Figure 5 As shown, the driving limit device 5 includes a limit plate 501, a buffer abutment platform 502 is arranged at the center of the lower end surface of the limit plate 501, a vertically upward spring device 503 is arranged on the upper end surface of the limit plate 501, connecting platforms 504 are arranged on both sides of the spring device 503, and sliding platforms 505 are fixedly connected at both ends of the limit plate 501. The sliding platform 505 is slidably connected to the slide groove 3021, the connecting platform 504 is connected to the locking column 3042, and the upper end of the spring device 503 is fixedly connected to the suspension beam plate 301.

[0026] like Figure 6 As shown, the protective circular plate device 6 includes a first protective semicircular plate 601, the first protective semicircular plate 601 is hinged on the hinge bracket 103, a driving box device 6012 is fixedly connected to the first protective semicircular plate 601, a striking head 6013 is arranged at one end of the driving box device 6012, a trigger steel rope 6014 is arranged at the other end of the driving box device 6012, the trigger steel rope 6014 is connected to the first protective semicircular plate 601 through a first connecting platform 6011, the driving box device 6012 and the striking head 6013 are perpendicular to the straight end surface of the first protective semicircular plate 601, a second protective semicircular plate 602 is hinged on the first protective semicircular plate 601, a first baffle 6021 is arranged on the upper end surface of the second protective semicircular plate 602, a second baffle 6022 is vertically arranged on the first baffle 6021, and the second protective semicircular plate 602 can be 601, when the first protective semicircular plate 601 and the second protective semicircular plate 602 are parallel, they form a complete circular plate, when the first protective semicircular plate 601 and the second protective semicircular plate 602 are perpendicular, the second baffle plate 6022 is buckled on the impact head 6013, to keep the first protective semicircular plate 601 and the second protective semicircular plate 602 in a vertical state, when the trigger rope 6014 is hit, the driving box device 6012 is triggered, the driving box device 6012 drives the impact head 6013 to move outward quickly, the second baffle plate 6022 contacts and locks with the impact head 6013, the impact head 6013 hits the second protective semicircular plate 602, the first protective semicircular plate 601 and the second protective semicircular plate 602 are parallel, the impact head 6013 abuts against the first baffle plate 6021, to keep the first protective semicircular plate 601 and the second protective semicircular plate 602 in a parallel state.

[0027] like Figure 3, Figure 7 As shown, the driving bracket device 8 includes a driving bracket 801 and a driving device 804. The driving bracket 801 is rotatably connected to a rotating driving platform 802 at the center. A screw hole 8022 is opened at the center of the rotating driving platform 802. A turbine tooth 8021 is opened on the outer wall of the rotating driving platform 802. A mounting bracket 803 is arranged on one side of the driving bracket 801. The driving device 804 includes a rotating shaft 8041. The rotating shaft 8041 is rotatably connected to the mounting bracket 803. The rotating shaft 8041 A worm 8042 is fixedly connected to the upper portion, and the worm 8042 is transmission-connected to the turbine gear 8021. A driving motor 8043 is connected to one end of the rotating shaft 8041. The feeding piston plate device 7 includes a feeding piston plate 701, and the feeding piston plate 701 is slidingly and sealingly connected to the inner wall of the molten iron ladle barrel 1. A vertically arranged screw 702 is rotationally connected at the center of the lower end surface of the feeding piston plate 701, and the screw 702 is transmission-connected to the screw hole 8022. A limiting frustum 703 is arranged at the outer end of the screw 702.

[0028] Working process: first, the telescopic rod device 4 is started through the control device 901, and the molten iron barrel 1 is adjusted on the suspension bracket device 3 to an inclination angle suitable for pouring and locked. After the molten iron is filled, the crane lifts the entire equipment through the suspension device 303 and moves it to the pouring position. The drive motor 8043 is started through the control device 901 to drive the rotating shaft 8041 to rotate, and the rotating shaft 8041 drives the worm 8042 to rotate, and the worm 8042 drives the rotating drive platform 802 to rotate, and the rotating drive platform 802 drives the screw 702 to feed and move, and the screw 702 drives the feeding piston plate 701 to slide and seal on the inner wall of the molten iron barrel 1, accurately changing the volume of the molten iron barrel 1, and pouring the molten iron from the pouring port. The drive motor 8043 can accurately control the feed amount of the screw 702, so as to achieve accurate control of the weight of the molten iron pouring, and at the same time avoid the need to change the inclination angle of the molten iron barrel 1 for each pouring.

[0029] When the pouring machine suddenly experiences an emergency situation in which the amplitude of the vibration is too large, the sensor device 3043 can detect it in time, the locking platform 3041 immediately releases the limit of the locking column 3042, and the spring device 503 pushes the limit plate 501 to move downward, driving the buffer abutment platform 502 to hit the triggering steel rope 6014. When the triggering steel rope 6014 is hit, the driving box device 6012 is triggered, and the driving box device 6012 drives the impact head 6013 to move outward quickly, and the second baffle 6022 and the impact head 6013 is contact locked, the impact head 6013 impacts the second protective semicircular plate 602, the first protective semicircular plate 601 and the second protective semicircular plate 602 are parallel, the impact head 6013 abuts against the first baffle plate 6021, keeping the first protective semicircular plate 601 and the second protective semicircular plate 602 in a parallel state, the buffer abutment platform 502 abuts against the first protective semicircular plate 601, and the first protective semicircular plate 601 is confined on the molten iron ladle barrel 1, and the molten iron ladle barrel 1 is closed to prevent molten iron from splashing out.

[0030] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A casting machine with protective function for casting, comprising a molten iron ladle barrel, a fixing bracket device and a hanging bracket device, characterized in that: The iron ladle barrel is fixedly mounted on a fixed bracket device, which is rotatably connected to a hanging bracket device, a telescopic rod device is connected between the fixed bracket device and the hanging bracket device, a driving limit device is arranged on the hanging bracket device, a protective circular plate device is hingedly connected to the upper end of the iron ladle barrel, the protective circular plate device is located below the driving limit device, a driving bracket device is fixedly connected to the lower end surface of the iron ladle barrel, a feeding piston plate device is drivingly connected to the driving bracket device, and the feeding piston plate device is slidingly and sealingly connected to the inner wall of the iron ladle barrel.

2. The pouring machine with protective function for casting according to claim 1, characterized in that: The upper end of the iron ladle barrel is provided with an inclined platform end surface, one end of the high side of the inclined platform end surface is fixedly connected with a pouring nozzle, and one end of the low side of the inclined platform end surface is provided with a hinge bracket.

3. The pouring machine with protective function for casting according to claim 1, characterized in that: The fixed bracket device includes a fixed ring, which is symmetrically arranged up and down. A symmetrically arranged side connecting device is fixedly connected between the two fixed rings, and an intermediate connecting device is connected between the two side connecting devices. The intermediate connecting device and the side connecting device are distributed circumferentially and spaced 90° apart. The intermediate connecting device is fixedly connected to the hinge bracket.

4. The pouring machine with protective function for casting according to claim 3, characterized in that: The suspension bracket device includes a suspension beam plate, both ends of the suspension beam plate are fixedly connected with vertical downward side connecting columns, the inner sides of the side connecting columns are provided with symmetrical sliding grooves, the inner sides of the lower ends of the side connecting columns are rotatably connected to the side connecting devices, the middle of the suspension beam plate is fixedly connected with a horizontally arranged middle plate, a suspension device is arranged at the center of the upper end surface of the suspension beam plate, locking devices are arranged on both sides of the suspension device, the locking device includes a locking platform, a vertical downward locking column is arranged at the lower end of the locking platform, and a vertical upward sensor device is arranged at the upper end of the locking platform.

5. The pouring machine with protective function for casting according to claim 4, characterized in that: The upper end of the telescopic rod device is hinged to the middle plate, and the lower end of the telescopic rod device is hinged to the middle connecting device.

6. The pouring machine with protective function for casting according to claim 4, characterized in that: The driving limit device includes a limit plate, a buffer abutment platform is arranged at the center of the lower end surface of the limit plate, a vertically upward spring device is arranged on the upper end surface of the limit plate, connecting platforms are arranged on both sides of the spring device, sliding platforms are fixedly connected to both ends of the limit plate, the sliding platform is slidably connected to the sliding groove, the connecting platform is connected to the locking column, and the upper end of the spring device is fixedly connected to the suspension beam plate.

7. The pouring machine with protective function for casting according to claim 2, characterized in that: The protective circular plate device includes a first protective semicircular plate, which is hinged on a hinge bracket, a driving box device is fixedly connected to the first protective semicircular plate, an impact head is arranged at one end of the driving box device, a trigger steel rope is arranged at the other end of the driving box device, the trigger steel rope is connected to the first protective semicircular plate through a first connecting platform, the driving box device and the impact head are perpendicular to the straight end face of the first protective semicircular plate, a second protective semicircular plate is hinged on the first protective semicircular plate, a first baffle is arranged on the upper end face of the second protective semicircular plate, and a second baffle is vertically arranged on the first baffle.

8. The pouring machine with protective function for casting according to claim 4, characterized in that: The driving bracket device includes a driving bracket and a driving device. A rotating driving platform is rotatably connected at the center of the driving bracket. A screw hole is opened at the center of the rotating driving platform. Turbine teeth are opened on the outer wall of the rotating driving platform. A mounting bracket is arranged on one side of the driving bracket. The driving device includes a rotating shaft. The rotating shaft is rotatably connected to the mounting bracket. A worm is fixedly connected to the rotating shaft. The worm is drivingly connected to the turbine teeth. A driving motor is connected to one end of the rotating shaft.

9. The pouring machine with protective function for casting according to claim 8, characterized in that: The feeding piston plate device comprises a feeding piston plate, which is slidingly and sealingly connected to the inner wall of the molten iron ladle barrel, a vertically arranged screw is rotatably connected to the center of the lower end surface of the feeding piston plate, the screw is transmission-connected to the screw hole, and a limited position truncated table is arranged at the outer end of the screw.

10. The pouring machine with protective function for casting according to claim 8, characterized in that: The outside of the suspension bracket device is fixedly connected with a control handle device, and the control handle device is provided with a control device, which is electrically connected with the telescopic rod device, the locking device and the driving motor.

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