Automatic pouring device for casting machining of pump valve castings

Abstract

The invention relates to the technical field of casting equipment, in particular to an automatic pouring device for pump valve casting machining, which comprises a base, an automatic smelting furnace, a support, a controller, a translation conveying mechanism, a pouring mechanism and a deslagging mechanism, the automatic smelting furnace is arranged on the right side of the base, the support is arranged on the front side of the base, and the controller is arranged on the support. The controller is arranged on the front side of the support, the automatic smelting furnace is electrically connected with the controller, and the translation conveying mechanism is arranged on the top of the base and electrically connected with the controller. A plurality of stations are provided, molten metal can be subjected to heat preservation and temperature adjustment in batches, air is isolated, the quality of the molten metal is effectively improved, automatic deslagging and automatic cleaning are achieved, manual participation is not needed, a steel ladle is turned over and poured with a pouring opening as the center, the pouring precision is high, the steel ladle can rotate to any angle to achieve self-locking, and the production efficiency is improved. And the safety is high, and the requirement for automatic pouring is met.

Description

Technical Field

[0001] The invention relates to the technical field of casting equipment, in particular to an automatic pouring device for casting and processing pump and valve castings. Background Art

[0002] In the modern casting production process, in order to improve the efficiency of casting and meet the requirements of modern production, most of the castings are currently produced by automated molding lines. In the production process of the automated molding line, the high-temperature molten metal is melted in the melting furnace, and the molten metal is loaded into a steel ladle, and the molten metal is transported to the pouring equipment, which is required to pour the molten metal into the mold for pouring; in the existing automatic pouring device, after the molten metal is loaded into the steel ladle, the molten metal cools down quickly, which easily causes the molten metal to crystallize prematurely, thereby affecting the strength of the casting, and it is difficult to meet the strength requirements of the pump valve components. In addition, the molten metal is in contact with the air for too long, and the high-temperature molten metal reacts with the air to form an oxide film, resulting in a poor pouring effect. In order to ensure the quality of the molten metal, it is usually necessary to keep the molten metal in the steel ladle warm or adjust the temperature to stand for a period of time, and then remove the slag once. This process is mostly operated manually. In addition, in the prior art, when the steel ladle is flipped for pouring, the horizontal position of the pouring port will change with the flipping of the steel ladle, and it is impossible to cast accurately and meet the requirements of automated production. Summary of the invention

[0003] The object of the present invention is to provide an automatic pouring device for pump and valve castings to solve the problems of too fast cooling, manual slag removal after pouring into a steel ladle, and inaccurate pouring position in the prior art.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic pouring device for casting processing of pump and valve castings, comprising: a base, an automatic melting furnace, a bracket, a controller, a translational conveying mechanism, a pouring mechanism and a slag removal mechanism, the automatic melting furnace is arranged on the right side of the base, the bracket is arranged on the front side of the base, the controller is arranged on the front side of the bracket, and the automatic melting furnace is electrically connected to the controller, the translational conveying mechanism is arranged on the top of the base and is electrically connected to the controller, the pouring mechanism is arranged on the left side of the base and is electrically connected to the controller, and the slag removal mechanism is arranged on the front side of the automatic melting furnace and is electrically connected to the controller.

[0005] Preferably, the purpose is to provide multiple workstations for processing molten metal at the same time, and the translation conveying mechanism includes: a mobile platform and a conveying assembly, the mobile platform is arranged on the top of the base, and a slide rail is arranged at the bottom of the mobile platform, and the controller can control the forward and backward movement of the mobile platform; there are several conveying assemblies, which are arranged on the top of the mobile platform from front to back, and are all electrically connected to the controller.

[0006] Preferably, the purpose is to transport the steel ladle in the horizontal direction and to perform air-isolated heat treatment on the molten metal, and the conveying assembly comprises: a roller conveying platform, an insulation box, a limit frame, a steel ladle, a pouring port and a limit plate, the roller conveying platform is arranged on the top of the mobile platform and is electrically connected to the controller; the insulation box is arranged in the middle position of the top of the roller conveying platform and is electrically connected to the controller; there are two limit frames, which are respectively arranged on the front and back sides of the top of the roller conveying platform; the steel ladle is placed on the top of the roller conveying platform, and the controller can control the roller conveying platform to drive the steel ladle to move left and right; the pouring port is arranged at the upper left corner of the steel ladle; there are two limit plates, which are respectively arranged on the front and back sides of the steel ladle, and the two limit frames limit the two limit plates.

[0007] Preferably, the purpose is to flip the steel ladle around the pouring port for pouring to improve the pouring accuracy, and the pouring mechanism includes: a mounting frame, a boss, a rotating assembly and a limiting assembly, the mounting frame is arranged on the left side of the base; there are two bosses, which are respectively arranged at the front and rear ends of the left top of the mounting frame; the rotating assembly is arranged on the inner sides of the two bosses and is electrically connected to the controller; the limiting assembly is arranged at the bottom of the rotating assembly.

[0008] Preferably, the purpose is to drive the steel ladle to flip and at the same time make the steel ladle self-locking at any angle, the rotating assembly includes: a rotating frame, a worm wheel, a worm and a first motor, the rotating frame is rotatably mounted on the inner sides of the two bosses; the worm wheel is rotatably mounted on the front side of the bosses and fixedly connected to the rotating frame; the first motor is fixedly mounted on the front side of the mounting frame and is electrically connected to the controller; the worm is fixedly mounted on the output end of the first motor and is adaptively meshed with the worm wheel.

[0009] Preferably, the purpose is to drive the steel ladle and the rotating frame to rotate synchronously, and the limiting assembly includes: a baffle, a limiting groove, a limiting block and an upper cover, the number of baffles is two, which are respectively arranged at the front and rear ends of the left bottom of the rotating frame, and the two baffles limit the two limiting plates respectively; the number of limiting grooves is two, which are respectively opened on the front and rear sides of the rotating frame; the number of limiting blocks is two, which are respectively arranged on the front and rear sides of the two limiting plates, and are respectively adapted to be plugged into the two limiting grooves; the upper cover is arranged on the top of the rotating frame, and limits the top of the steel ladle.

[0010] Preferably, the purpose is to clean up the waste slag, and the slag removal mechanism includes: a slag receiving trough, a support plate, a lifting slide rail, a horizontal slide rail, a slag scooping assembly and a cleaning assembly, the slag receiving trough is arranged at the front side of the automatic smelting furnace; the support plate is arranged at the front side of the slag receiving trough; the lifting slide rail is arranged at the rear side of the support plate and is electrically connected to the controller; the horizontal slide rail is arranged at the output end of the lifting slide rail and is electrically connected to the controller; the slag scooping assembly is arranged at the output end of the horizontal slide rail and is electrically connected to the controller; the cleaning assembly is arranged at the rear side of the support plate and is electrically connected to the controller.

[0011] Preferably, the purpose is to scoop out the waste slag generated in the steel ladle, and the slag scooping assembly includes: a movable frame, a second motor and a slag removing shovel, the movable frame is arranged at the output end of the horizontal slide rail; the second motor is arranged at the top of the movable frame and is electrically connected to the controller; the slag removing shovel is rotatably installed at the bottom of the movable frame and is fixedly connected to the output end of the second motor.

[0012] Preferably, the purpose is to clean the slag shovel, and the cleaning component includes: a third motor and a cleaning roller, the third motor is fixedly installed on the front side of the support plate and is electrically connected to the controller; the cleaning roller is rotatably installed on the rear side of the support plate and is fixedly connected to the output end of the third motor.

[0013] The beneficial effects of the present invention compared with the prior art are: 1. The present invention controls the roller conveying platform through a controller to convey the steel ladle into the inner cavity of the insulation box, and keeps the ladle warm or adjusts the temperature to stand for a period of time, while isolating the air to promote the crystallization of the molten metal and facilitate slag discharge.

[0014] 2. The lifting rail and the horizontal rail of the present invention drive the slag removal shovel to be inserted into the steel ladle, the output end of the second motor drives the slag removal shovel to rotate to scoop out the waste slag, the lifting rail and the horizontal rail drive the slag removal shovel to move to the bottom of the cleaning roller, and the third motor drives the cleaning roller to clean the slag removal shovel, so that the slag removal can be automatically performed.

[0015] 3. The present invention controls the output end of the first motor to drive the worm to rotate, and the rotating frame is driven to flip to the left under the meshing action of the worm wheel and the worm. The steel ladle flips to the left with the pouring port as the center, and the molten metal flows out from the pouring port to realize automatic pouring. The steel ladle flips and pours with the pouring port as the center, and the pouring accuracy is high. The steel ladle can be rotated to any angle to achieve self-locking, and the safety is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the present invention.

[0017] Figure 2 It is the front view of the present invention.

[0018] Figure 3 for Figure 2 Enlarged view of point A in .

[0019] Figure 4 It is a left view of the present invention.

[0020] Figure 5 for Figure 4 Enlarged view of point B in .

[0021] Figure 6 for Figure 4 Enlarged view of point C in the figure.

[0022] Figure 7 This is a schematic diagram of the working status of the cleaning component.

[0023] In the figure: 1, base; 2, automatic melting furnace; 3, bracket; 4, controller; 5, translation conveying mechanism; 51, mobile platform; 52, conveying assembly; 521, roller conveying platform; 522, insulation box; 523, limit frame; 524, steel ladle; 525, pouring port; 526, limit plate; 6, pouring mechanism; 7, slag removal mechanism; 61, mounting frame; 62, boss; 63, rotating assembly; 631, rotating frame; 6 32. Worm gear; 633. Worm; 634. First motor; 64. Limiting assembly; 641. Baffle; 642. Limiting groove; 643. Limiting block; 644. Upper cover; 71. Slag receiving groove; 72. Support plate; 73. Lifting slide rail; 74. Horizontal slide rail; 75. Slag scooping assembly; 751. Moving frame; 752. Second motor; 753. Slag shovel; 76. Cleaning assembly; 761. Third motor; 762. Cleaning roller. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-Figure 7To achieve the above-mentioned purpose, the present invention provides a technical solution: an automatic pouring device for casting and processing pump and valve castings, comprising: a base 1, an automatic melting furnace 2, a bracket 3, a controller 4, a translation conveying mechanism 5, a pouring mechanism 6 and a slag removal mechanism 7, the automatic melting furnace 2 is arranged on the right side of the base 1, the automatic melting furnace 2 can melt metal into molten metal, and can automatically turn over to inject the molten metal into a steel ladle, the bracket 3 is arranged on the front side of the base 1, the controller 4 is arranged on the front side of the bracket 3, and the automatic melting furnace 2 is electrically connected to the controller 4, and the controller 4 is composed of an internal C PU is modularly composed of instruction and data storage, input and output unit, power supply module, digital simulation and other units, and stores instructions for executing operations such as logic operations, sequential control, timing, counting and arithmetic operations. It controls various types of mechanical equipment or production processes through digital or analog input and output. The translation conveying mechanism 5 is arranged on the top of the base 1 and is electrically connected to the controller 4. The pouring mechanism 6 is arranged on the left side of the base 1 and is electrically connected to the controller 4. The slag removal mechanism 7 is arranged on the front side of the automatic smelting furnace 2 and is electrically connected to the controller 4.

[0026] As a preferred solution, further, Figure 1-3 As shown, the translation conveying mechanism 5 includes: a mobile platform 51 and a conveying component 52. The mobile platform 51 is arranged on the top of the base 1. A slide rail is arranged at the bottom of the mobile platform 51. The controller 4 can control the forward and backward movement of the mobile platform 51. In a specific implementation, the moving distance of the mobile platform 51 can also be controlled by sensors such as limit switches. There are several conveying components 52, which are arranged on the top of the mobile platform 51 from front to back, and are all electrically connected to the controller 4.

[0027] As a preferred solution, further, Figure 4 As shown, the conveying assembly 52 includes: a roller conveying platform 521, a heat preservation box 522, a limit frame 523, a steel ladle 524, a pouring port 525 and a limit plate 526. The roller conveying platform 521 is arranged on the top of the mobile platform 51 and is electrically connected to the controller 4. The heat preservation box 522 is arranged at the middle position of the top of the roller conveying platform 521 and is electrically connected to the controller 4. The heat preservation box 522 can keep or adjust the temperature of the molten metal and provide a static environment isolated from air. In the embodiment of the present invention, there are two limit frames 523, which are respectively arranged on the front and rear sides of the top of the roller conveying platform 521, and the steel ladle 524 is placed on the top of the roller conveying platform 521. The controller 4 can control the roller conveying platform 521 to drive the steel ladle 524 to move left and right. The pouring port 525 is arranged at the upper left corner of the steel ladle 524. There are two limit plates 526, which are respectively arranged on the front and rear sides of the steel ladle 524, and the two limit frames 523 limit the two limit plates 526.

[0028] As a preferred solution, further, Figure 2-7 As shown, the pouring mechanism 6 includes: a mounting frame 61, a boss 62, a rotating assembly 63 and a limiting assembly 64. The mounting frame 61 is arranged on the left side of the base 1. There are two bosses 62, which are respectively arranged at the front and rear ends of the left top of the mounting frame 61. The boss 62 is used to adjust the rotation center of the steel ladle 524. The steel ladle 524 is turned to the left side with the pouring port 525 as the center, and the molten metal flows out from the pouring port 525 to complete the pouring. The rotating assembly 63 is arranged on the inner side of the two bosses 62 and is electrically connected to the controller 4. The limiting assembly 64 is arranged at the bottom of the rotating assembly 63.

[0029] As a preferred solution, further, Figure 3-5 As shown, the rotating assembly 63 includes: a rotating frame 631, a worm wheel 632, a worm 633 and a first motor 634. The rotating frame 631 is rotatably mounted on the inner side of the two bosses 62, the worm wheel 632 is rotatably mounted on the front side of the boss 62, and is fixedly connected to the rotating frame 631. The first motor 634 is fixedly mounted on the front side of the mounting frame 61 and is electrically connected to the controller 4. The worm 633 is fixedly mounted on the output end of the first motor 634 and is adaptively meshed with the worm wheel 632. According to the transmission characteristics of the worm gear, the worm 633 can drive the worm wheel 632 to rotate, and the worm wheel 632 is difficult to drive the worm 633, so that the steel ladle 524 can be controlled to rotate to any angle and self-lock, which has high safety.

[0030] As a preferred solution, further, Figure 2-4 As shown, the limiting assembly 64 includes: a baffle 641, a limiting groove 642, a limiting block 643 and an upper cover 644. There are two baffles 641, which are respectively arranged at the front and rear ends of the left bottom of the rotating frame 631, and the two baffles 641 respectively limit the two limiting plates 526. There are two limiting grooves 642, which are respectively opened on the front and rear sides of the rotating frame 631. There are two limiting blocks 643, which are respectively arranged on the front and rear sides of the two limiting plates 526 and are respectively matched and plugged with the two limiting grooves 642. The upper cover 644 is arranged on the top of the rotating frame 631 to limit the top of the steel ladle 524.

[0031] As a preferred solution, further, Figure 6-7As shown, the slag removal mechanism 7 includes: a slag receiving trough 71, a support plate 72, a lifting slide rail 73, a horizontal slide rail 74, a slag scooping assembly 75 and a cleaning assembly 76. The slag receiving trough 71 is arranged on the front side of the automatic smelting furnace 2, the support plate 72 is arranged on the front side of the slag receiving trough 71, the lifting slide rail 73 is arranged on the rear side of the support plate 72, and is electrically connected to the controller 4, the horizontal slide rail 74 is arranged at the output end of the lifting slide rail 73, and is electrically connected to the controller 4, the slag scooping assembly 75 is arranged at the output end of the horizontal slide rail 74, and is electrically connected to the controller 4, the cleaning assembly 76 is arranged on the rear side of the support plate 72, and is electrically connected to the controller 4, the lifting slide rail 73 and the horizontal slide rail 74 drive the slag removing shovel 753 to insert into the steel ladle 524, and the output end of the second motor 752 drives the slag removing shovel 753 to rotate to scoop out the waste slag.

[0032] As a preferred solution, further, Figure 6 As shown, the slag scooping assembly 75 includes: a moving frame 751, a second motor 752 and a slag removing shovel 753. The moving frame 751 is arranged at the output end of the horizontal slide rail 74, the second motor 752 is arranged at the top of the moving frame 751 and is electrically connected to the controller 4, and the slag removing shovel 753 is rotatably installed at the bottom of the moving frame 751 and is fixedly connected to the output end of the second motor 752.

[0033] As a preferred solution, further, Figure 7 As shown, the cleaning assembly 76 includes: a third motor 761 and a cleaning roller 762. The third motor 761 is fixedly installed on the front side of the support plate 72 and is electrically connected to the controller 4. The cleaning roller 762 is rotatably installed on the rear side of the support plate 72 and is fixedly connected to the output end of the third motor 761. The lifting slide rail 73 and the horizontal slide rail 74 drive the slag shovel 753 to move to the bottom of the cleaning roller 762. The third motor 761 drives the cleaning roller 762 to clean the slag shovel 753.

[0034] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0035] Step 1: When the automatic melting furnace 2 completes production, the controller 4 controls the empty steel ladle 524 to move to the left side of the automatic melting furnace 2, and the automatic melting furnace 2 pours the molten metal into the steel ladle 524. The controller 4 controls the roller conveying platform 521 to convey the steel ladle 524 into the inner cavity of the heat preservation box 522, and keep it warm or adjust the temperature to stand for a period of time; Step 2: The controller 4 controls the steel ladle 524 to move to the left side of the slag removal mechanism 7; the lifting slide rail 73 and the horizontal slide rail 74 drive the slag removal shovel 753 to insert into the steel ladle 524; the output end of the second motor 752 drives the slag removal shovel 753 to rotate to remove the waste slag; the lifting slide rail 73 and the horizontal slide rail 74 drive the slag removal shovel 753 to move to the bottom of the cleaning roller 762; the third motor 761 drives the cleaning roller 762 to clean the slag removal shovel 753; Step 3: The controller 4 controls the ladle 524 to move to the right side of the pouring mechanism 6, the limit block 643 is adapted and plugged into the limit groove 642, the baffle 641 limits the limit plate 526, and the controller 4 controls the output end of the first motor 634 to drive the worm 633 to rotate, and the rotating frame 631 is driven to flip to the left side under the meshing action of the worm wheel 632 and the worm 633, and the ladle 524 flips to the left side with the pouring port 525 as the center, and the molten metal flows out from the pouring port 525, and the pouring is completed; The invention can heat-insulate and temperature-regulate molten metal in batches, can automatically remove slag, and the steel ladle is turned over for pouring with the pouring port as the center, with high pouring accuracy.

[0036] The above are only preferred embodiments of the present invention. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, which should also be regarded as the protection scope of the present invention, and will not affect the effect of the implementation of the present invention and the practicality of the patent. Any feature disclosed in this specification (including any additional claims, abstracts and drawings), unless otherwise stated, can be replaced by other equivalent or alternative features with similar purposes, and each feature is only an example of a series of equivalent or similar features.

Claims

1. An automatic pouring device for casting pump and valve castings, comprising: A base (1), an automatic melting furnace (2), a bracket (3) and a controller (4), wherein the automatic melting furnace (2) is arranged on the right side of the base (1), the bracket (3) is arranged on the front side of the base (1), the controller (4) is arranged on the front side of the bracket (3), and the automatic melting furnace (2) is electrically connected to the controller (4), characterized in that the automatic pouring device for pump and valve casting processing also includes: A translation conveying mechanism (5) is arranged on the top of the base (1) and is electrically connected to the controller (4); A pouring mechanism (6) is arranged on the left side of the base (1) and is electrically connected to the controller (4); A slag removal mechanism (7) is arranged at the front side of the automatic smelting furnace (2) and is electrically connected to the controller (4); The translation conveying mechanism (5) comprises: A mobile platform (51) is arranged on the top of the base (1), a slide rail is arranged on the bottom of the mobile platform (51), and the controller (4) is capable of controlling the mobile platform (51) to move forward and backward; There are a plurality of conveying components (52), which are arranged on the top of the mobile platform (51) from front to back, and are all electrically connected to the controller (4).

2. The automatic pouring device for pump and valve casting according to claim 1, characterized in that: The conveying assembly (52) comprises: A roller conveying platform (521) is arranged on the top of the mobile platform (51) and is electrically connected to the controller (4); A heat preservation box (522), which is arranged at the middle position of the top of the roller conveying platform (521) and is electrically connected to the controller (4); There are two limit frames (523), which are respectively arranged on the front and rear sides of the top of the roller conveying platform (521); The steel ladle (524) is placed on top of the roller conveying platform (521), and the controller (4) is capable of controlling the roller conveying platform (521) to drive the steel ladle (524) to move left and right; A pouring port (525) is arranged at the upper left corner of the steel ladle (524); There are two limit plates (526), ​​which are respectively arranged on the front and rear sides of the steel ladle (524), and the two limit frames (523) limit the two limit plates (526).

3. The automatic pouring device for pump and valve casting according to claim 2, characterized in that: The pouring mechanism (6) comprises: A mounting frame (61) is arranged on the left side of the base (1); Two bosses (62) are respectively arranged at the front and rear ends of the left top of the mounting frame (61); A rotating assembly (63) is arranged on the inner sides of the two bosses (62) and is electrically connected to the controller (4); The limiting component (64) is arranged at the bottom of the rotating component (63).

4. The automatic pouring device for pump and valve casting according to claim 3, characterized in that: The rotating assembly (63) comprises: A rotating frame (631) rotatably mounted on the inner sides of the two bosses (62); A worm wheel (632) is rotatably mounted on the front side of the boss (62) and is fixedly connected to the rotating frame (631); A first motor (634) is fixedly mounted on the front side of the mounting frame (61) and is electrically connected to the controller (4); The worm (633) is fixedly mounted on the output end of the first motor (634) and is adapted to mesh with the worm wheel (632).

5. The automatic pouring device for pump and valve casting according to claim 4, characterized in that: The limiting component (64) comprises: Two baffles (641) are respectively arranged at the front and rear ends of the left bottom of the rotating frame (631), and the two baffles (641) respectively limit the two limit plates (526); Two limiting grooves (642) are respectively provided on the front and rear sides of the rotating frame (631); There are two limit blocks (643), which are respectively arranged on the front and rear sides of the two limit plates (526) and are respectively adapted to be plugged into the two limit slots (642); The upper cover (644) is arranged on the top of the rotating frame (631) and limits the top of the steel ladle (524).

6. The automatic pouring device for pump and valve casting according to claim 5, characterized in that: The slag removal mechanism (7) comprises: A slag receiving trough (71) disposed on the front side of the automatic smelting furnace (2); A support plate (72) disposed on the front side of the slag receiving trough (71); A lifting slide rail (73) is arranged on the rear side of the support plate (72) and is electrically connected to the controller (4); A horizontal slide rail (74) is arranged at the output end of the lifting slide rail (73) and is electrically connected to the controller (4); A slag scooping assembly (75) is arranged at the output end of the horizontal slide rail (74) and is electrically connected to the controller (4); A cleaning component (76) is arranged on the rear side of the support plate (72) and is electrically connected to the controller (4).

7. The automatic pouring device for pump and valve casting according to claim 6, characterized in that: The slag scooping assembly (75) comprises: A movable frame (751) is arranged at the output end of the horizontal slide rail (74); A second motor (752) is disposed on the top of the moving frame (751) and is electrically connected to the controller (4); The slag removal shovel (753) is rotatably mounted on the bottom of the movable frame (751) and is fixedly connected to the output end of the second motor (752).

8. The automatic pouring device for pump and valve casting according to claim 7, characterized in that: The cleaning component (76) comprises: A third motor (761) is fixedly mounted on the front side of the support plate (72) and is electrically connected to the controller (4); The cleaning roller (762) is rotatably mounted on the rear side of the support plate (72) and is fixedly connected to the output end of the third motor (761).

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