LF furnace feeding device

Abstract

The utility model discloses an LF (ladle furnace) feeding device, which relates to the technical field of LF feeding and comprises a device body, a conveying mechanism is arranged on the upper surface of the device body, a storage mechanism is arranged on the upper surface of the device body and positioned on the right side of the conveying mechanism, and a rear wheel is movably connected to the lower surface of the device body. A front wheel is movably connected to the lower surface of the device body and located on the left side of the rear wheel. The surface of the rear wheel is sleeved with a brake mechanism. According to the device, the motor, the lifting rod, the conveying belt, the threaded rod and the threaded plate are matched, automatic loading and automatic feeding are achieved, manual labor is contacted, the device can be braked and locked through matching of the braking mechanism, the pull rod, the spring, the connecting rod, the movable rod and the clamping jaw, the device body is prevented from moving in the working process, and the working efficiency is improved. Therefore, the materials fall off or the work is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of LF furnace charging, in particular to a LF furnace charging device. Background Art

[0002] LF (Ladle Furnace) refining is an important refining method in the iron and steel metallurgical process. It uses argon stirring, graphite electrode submerged arc heating in an atmospheric environment, and white slag refining technology. This method has the functions of desulfurization and deoxidation of strong reducing slag, and then control inclusions and heat up the molten ferroalloy with electric arc heating, and adjust the composition and temperature. Based on the advantages of simple equipment, low investment cost, flexible operation and stable effect, it has been widely used in the industry and occupies a leading position in my country's off-road refining methods.

[0003] Patent publication number CN209052732U discloses an LF furnace charging device, including a base, a universal wheel is installed at the bottom of the base, a support plate arranged vertically upward along the base is fixedly installed on one side of the top of the base by screws, a threaded rod is movably connected inside the support plate, a first gear is sleeved on the outer side of the bottom end of the threaded rod, a power supply is provided on the inner side of the top of the base, a stepper motor is fixed inside the base by screws, a connecting ring is sleeved on the outer side of the threaded rod, and the rotating shaft is driven to rotate by the stepper motor using a synchronous pulley and a synchronous belt.

[0004] In order to solve the problem of difficulty in feeding the LF furnace, the existing technology uses a telescopic rod to push the feeding shovel for processing, but it still consumes a lot of time and manpower when transporting materials, and the device is not fixed during feeding, which leads to low feeding efficiency and high cost. The device may move during the feeding process, causing the material to spill. Utility Model Content

[0005] The purpose of the utility model is to provide a LF furnace charging device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A LF furnace charging device comprises a device body, wherein a conveying mechanism is arranged on the upper surface of the device body, a material storage mechanism is arranged on the upper surface of the device body and located on the right side of the conveying mechanism, a rear wheel is movably connected to the lower surface of the device body, and a front wheel is movably connected to the lower surface of the device body and located on the left side of the rear wheel; and a braking mechanism is sleeved on the surface of the rear wheel.

[0008] The conveying mechanism includes a conveyor belt bracket fixedly connected to the upper surface of the device body, a lifting motor is fixedly connected to the upper surface of the device body and located on the right side of the conveyor belt bracket, a lifting movable rod is slidably connected inside the lifting motor, the other end of the lifting movable rod is fixedly connected to a conveyor belt lifting frame, one end of the conveyor belt lifting frame is movably connected to a conveyor belt, and the conveyor belt is slidably connected to the conveyor belt bracket.

[0009] A further improvement of the technical solution of the utility model is that the material storage mechanism includes a motor bracket fixedly connected to the upper surface of the device body, one end of the motor bracket is fixedly connected to the motor, and the output shaft surface of the motor is fixedly connected to a driving gear.

[0010] A further improvement of the technical solution of the utility model is that: a lifting rod is fixedly connected to the upper surface of the device body and located on both sides of the motor bracket, and one end of the lifting rod is fixedly connected to a storage box.

[0011] A further improvement of the technical solution of the utility model is that a threaded plate is fixedly connected to the lower surface of the storage box, a threaded rod is connected to the internal thread of the threaded plate, a transmission gear is fixedly connected to the surface of the threaded rod, the transmission gear is meshed with the driving gear, and a warehouse door is slidably connected to the front of the storage box.

[0012] A further improvement of the technical solution of the utility model is that the braking mechanism includes a brake plate fixedly connected to the rear wheel bracket, a pull rod is slidably connected to the upper surface of the brake plate, and a control box is fixedly connected to the upper surface of the brake plate.

[0013] A further improvement of the technical solution of the utility model is that a stop rod is slidably connected to the inner side of the control box, a stop spring is sleeved on the surface of the stop rod, two ends of the stop spring are respectively fixedly connected to the control box and the stop rod, and the other end of the rod is fixedly connected to a connecting rod.

[0014] A further improvement of the technical solution of the utility model is that a return spring is sleeved on the surface of the pull rod, the two ends of the return spring are respectively fixedly connected to the control box and the connecting rod, the other end of the connecting rod is movably connected to a movable rod, the other end of the movable rod is movably connected to a clamping claw, and the clamping claw is movably connected to the brake plate.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] 1. The utility model provides a LF furnace feeding device, which cooperates with a motor, a lifting rod, a conveyor belt, a threaded rod and a threaded plate. When feeding is needed, the lifting motor is started, the lifting movable rod inside the lifting motor rises, and the lifting motor drives the conveyor belt lifting frame to move up, thereby lifting the conveyor belt, and at the same time starting the motor, the motor rotation drives the driving gear, the driving gear drives the transmission gear, thereby driving the threaded rod to rotate, the threaded rod rotation can realize the downward movement of the threaded plate, the downward movement of the threaded plate drives the storage box to move downward together, the warehouse door is closed, and the conveyor belt is started to convey the material into the storage box, the device body is moved to the feeding port to start feeding into the LF furnace, the lifting motor is started to lower the lifting movable rod, thereby driving the conveyor belt to lower, the other end of the conveyor belt is aligned with the feeding port, the motor is started, the storage box is lifted, and after the warehouse door is lifted to the top of the conveyor belt, the warehouse door is opened, and the material falls onto the conveyor belt and is transported to the LF furnace.

[0017] 2. The utility model provides a LF furnace charging device, which cooperates with a brake mechanism, a pull rod, a spring, a connecting rod, a movable rod, and a clamping claw. When the device body is moved to a suitable position, the device body is prevented from moving during operation, thereby causing materials to fall or affecting the work. The pull rod is pulled upward, and the pull rod moves upward to compress the reset spring, and at the same time, the connecting rod is driven to move upward together. The connecting rod moves upward to drive the movable rod. After the movable rod moves, it drives the clamping claw to rotate on the brake plate. At this time, the stop spring will push the stop pull rod, thereby locking the pull rod to prevent the pull rod from falling, thereby locking the rear wheel to achieve braking. After the work is completed, the stop pull rod is pulled outward, and the stop pull rod is pulled outward, the locking effect on the pull rod disappears, and the pull rod drops due to gravity, thereby rotating the clamping claw to release the rear wheel from the locked braking state. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the axial view of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the transmission mechanism of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the material storage structure of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the braking mechanism of the utility model.

[0023] In the figure: 1. device body; 2. front wheel; 3. conveying mechanism; 31. conveyor belt bracket; 32. lifting motor; 33. lifting movable rod; 34. conveyor belt lifting frame; 35. conveyor belt; 4. storage mechanism; 41. motor bracket; 42. motor; 43. driving gear; 44. transmission gear; 45. threaded rod; 46. threaded plate; 47. warehouse door; 48. storage box; 49. lifting rod; 5. rear wheel; 6. braking mechanism; 61. braking plate; 62. pull rod; 63. control box; 64. stop spring; 65. stop pull rod; 66. reset spring; 67. connecting rod; 68. movable rod; 69. clamping claw. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the embodiments:

[0025] Example 1

[0026] like Figure 1-5 The utility model provides a LF furnace charging device, including a device body 1, a conveying mechanism 3 is arranged on the upper surface of the device body 1, a material storage mechanism 4 is arranged on the upper surface of the device body 1 and located on the right side of the conveying mechanism 3, a rear wheel 5 is movably connected to the lower surface of the device body 1, and a front wheel 2 is movably connected to the lower surface of the device body 1 and located on the left side of the rear wheel 5; a brake mechanism 6 is sleeved on the surface of the rear wheel 5, the conveying mechanism 3 includes a conveyor belt bracket 31 fixedly connected to the upper surface of the device body 1, a lifting motor 32 is fixedly connected to the upper surface of the device body 1 and located on the right side of the conveyor belt bracket 31, a lifting movable rod 33 is slidably connected to the inside of the lifting motor 32, and the other end of the lifting movable rod 33 is fixedly connected to a conveyor belt lifting frame 34, and the conveyor belt lifting frame 34 is fixedly connected to the conveyor belt lifting frame 34. One end of the lowering frame 34 is movably connected to a conveyor belt 35, and the conveyor belt 35 is slidably connected to the conveyor belt bracket 31. The storage mechanism 4 includes a motor bracket 41 fixedly connected to the upper surface of the device body 1, one end of the motor bracket 41 is fixedly connected to a motor 42, and the output shaft surface of the motor 42 is fixedly connected to a driving gear 43. The upper surface of the device body 1 and both sides of the motor bracket 41 are fixedly connected with a lifting rod 49, one end of the lifting rod 49 is fixedly connected to a storage box 48, and the lower surface of the storage box 48 is fixedly connected to a threaded plate 46, and the internal thread of the threaded plate 46 is connected to a threaded rod 45, and the surface of the threaded rod 45 is fixedly connected to a transmission gear 44, which is meshed with the driving gear 43, and the front of the storage box 48 is slidably connected to a warehouse door 47.

[0027] In this embodiment, when feeding is required, the lifting motor 32 is started, the lifting movable rod 33 inside the lifting motor 32 rises, and the lifting motor 32 drives the conveyor belt lifting frame 34 to move up, thereby raising the conveyor belt 35, and at the same time starting the motor 42, the motor 42 rotates to drive the driving gear 43, the driving gear 43 drives the transmission gear 44, thereby driving the threaded rod 45 to rotate, the threaded rod 45 rotates to realize the downward movement of the threaded plate 46, and the downward movement of the threaded plate 46 drives the storage box 48 to move downward together, and the conveyor belt 35 is closed. The bin door 47 and the conveyor belt 35 are started to convey the materials to the storage box 48. The device body 1 is moved to the feed port to start adding materials to the LF furnace. The lifting motor 32 is started to lower the lifting movable rod 33, thereby driving the conveyor belt 35 to lower, and the other end of the conveyor belt 35 is aligned with the feed port. The motor 42 is started to raise the storage box 48, and after the bin door 47 is raised to the top of the conveyor belt 35, the bin door 47 is opened, and the materials fall onto the conveyor belt 35 and are transported to the LF furnace, thereby improving the applicability of the device.

[0028] Example 2

[0029] like Figure 1-5 It is shown that, on the basis of Example 1, the utility model provides a technical solution: preferably, the braking mechanism 6 includes a brake plate 61 fixedly connected to the rear wheel 5 bracket, the upper surface of the brake plate 61 is slidably connected with a pull rod 62, the upper surface of the brake plate 61 is fixedly connected with a control box 63, the inner side of the control box 63 is slidably connected with a stop pull rod 65, the surface of the stop pull rod 65 is sleeved with a stop spring 64, the two ends of the stop spring 64 are respectively fixedly connected to the control box 63 and the stop pull rod 65, the other end of the pull rod 62 is fixedly connected with a connecting rod 67, the surface of the pull rod 62 is sleeved with a reset spring 66, the two ends of the reset spring 66 are respectively fixedly connected to the control box 63 and the connecting rod 67, the other end of the connecting rod 67 is movably connected with a movable rod 68, the other end of the movable rod 68 is movably connected with a clamp 69, and the clamp 69 is movably connected to the brake plate 61.

[0030] In this embodiment, after the device body 1 is moved to a suitable position, in order to prevent the device body 1 from moving during the working process, thereby causing materials to fall or affecting the work progress, the pull rod 62 is pulled upward, and the pull rod 62 moves upward to compress the reset spring 66, and at the same time, it will drive the connecting rod 67 to move upward, and the connecting rod 67 moves upward to drive the movable rod 68. After the movable rod 68 moves, it drives the clamping claw 69 to rotate on the brake plate 61. At this time, the stop spring 64 will push the stop pull rod 65, thereby blocking the pull rod 62 to prevent the pull rod 62 from falling, thereby locking the rear wheel 5 to achieve braking. After the work is completed, the stop pull rod 65 is pulled outward. The stop pull rod 65 is pulled outward, the blocking effect on the pull rod 62 disappears, and the pull rod 62 drops due to gravity, thereby rotating the clamping claw 69 to release the rear wheel 5 from the locked braking state, thereby improving the adaptability of the device.

[0031] The working principle of the LF furnace charging device is described in detail below.

[0032] like Figure 1-5 As shown in the figure, when feeding is needed, the lifting motor 32 is started, the lifting movable rod 33 inside the lifting motor 32 rises, and the lifting motor 32 drives the conveyor belt lifting frame 34 to move up, thereby lifting the conveyor belt 35, and at the same time the motor 42 is started, the motor 42 rotates to drive the driving gear 43, and the driving gear 43 drives the transmission gear 44, thereby driving the threaded rod 45 to rotate, and the threaded rod 45 rotates to realize the downward movement of the threaded plate 46, and the downward movement of the threaded plate 46 drives the storage box 48 to move downward together, and the warehouse door 47 is closed, and the conveyor belt 35 is started to convey the material into the storage box 48, and the device body 1 is moved to the feed port to start feeding into the LF furnace, and the lifting motor 32 is started to lower the lifting movable rod 33, thereby driving the conveyor belt 35 to lower, and the other end of the conveyor belt 35 is aligned with the feed port, and the motor 42 is started to raise the storage box 48, and the warehouse door 47 is raised to the conveyor. After the conveyor belt 35 is above the belt, the warehouse door 47 is opened, and the materials fall onto the conveyor belt 35 and are transported to the LF furnace. After the device body 1 is moved to a suitable position, in order to prevent the device body 1 from moving during the operation, thereby causing the materials to fall or affecting the work, the pull rod 62 is pulled upward, and the pull rod 62 moves upward to compress the reset spring 66, and at the same time, it will drive the connecting rod 67 to move upward, and the connecting rod 67 moves upward to drive the movable rod 68, and the movable rod 68 moves and drives the clamping claw 69 to rotate on the brake plate 61. At this time, the stop spring 64 will push the stop pull rod 65, thereby blocking the pull rod 62 to prevent the pull rod 62 from falling, thereby locking the rear wheel 5 to achieve braking. After the work is completed, the stop pull rod 65 is pulled outward, and the stop pull rod 65 is pulled outward, the blocking effect on the pull rod 62 disappears, and the pull rod 62 drops due to gravity, thereby rotating the clamping claw 69 to release the rear wheel 5 from the locked braking state.

[0033] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A LF furnace charging device, comprising a device body (1), characterized in that: A conveying mechanism (3) is arranged on the upper surface of the device body (1); a material storage mechanism (4) is arranged on the upper surface of the device body (1) and on the right side of the conveying mechanism (3); a rear wheel (5) is movably connected to the lower surface of the device body (1); a front wheel (2) is movably connected to the lower surface of the device body (1) and on the left side of the rear wheel (5); a braking mechanism (6) is sleeved on the surface of the rear wheel (5); The conveying mechanism (3) comprises a conveyor belt bracket (31) fixedly connected to the upper surface of the device body (1); a lifting motor (32) is fixedly connected to the upper surface of the device body (1) and located on the right side of the conveyor belt bracket (31); a lifting movable rod (33) is slidably connected inside the lifting motor (32); the other end of the lifting movable rod (33) is fixedly connected to a conveyor belt lifting frame (34); one end of the conveyor belt lifting frame (34) is movably connected to a conveyor belt (35); and the conveyor belt (35) is slidably connected to the conveyor belt bracket (31).

2. The LF furnace charging device according to claim 1, characterized in that: The material storage mechanism (4) comprises a motor bracket (41) fixedly connected to the upper surface of the device body (1); one end of the motor bracket (41) is fixedly connected to a motor (42); and the output shaft surface of the motor (42) is fixedly connected to a driving gear (43).

3. The LF furnace charging device according to claim 1, characterized in that: A lifting rod (49) is fixedly connected to the upper surface of the device body (1) and located on both sides of the motor bracket (41), and one end of the lifting rod (49) is fixedly connected to a material storage box (48).

4. The LF furnace charging device according to claim 3, characterized in that: The lower surface of the material storage box (48) is fixedly connected to a threaded plate (46), the internal thread of the threaded plate (46) is connected to a threaded rod (45), the surface of the threaded rod (45) is fixedly connected to a transmission gear (44), the transmission gear (44) is meshed with the driving gear (43), and the front surface of the material storage box (48) is slidably connected to a warehouse door (47).

5. The LF furnace charging device according to claim 1, characterized in that: The brake mechanism (6) comprises a brake plate (61) fixedly connected to a rear wheel (5) bracket, a pull rod (62) being slidably connected to the upper surface of the brake plate (61), and a control box (63) being fixedly connected to the upper surface of the brake plate (61).

6. The LF furnace charging device according to claim 5, characterized in that: The inner side of the control box (63) is slidably connected with a stop rod (65), the surface of the stop rod (65) is sleeved with a stop spring (64), the two ends of the stop spring (64) are respectively fixedly connected to the control box (63) and the stop rod (65), and the other end of the rod (62) is fixedly connected to a connecting rod (67).

7. The LF furnace charging device according to claim 5, characterized in that: A return spring (66) is sleeved on the surface of the pull rod (62), and the two ends of the return spring (66) are fixedly connected to the control box (63) and the connecting rod (67) respectively. The other end of the connecting rod (67) is movably connected to a movable rod (68), and the other end of the movable rod (68) is movably connected to a clamping claw (69), and the clamping claw (69) is movably connected to the brake plate (61).

Images