Stokehole feeding mechanical arm

Abstract

The utility model provides a stokehole feeding mechanical arm which comprises a base, a rotating table is rotationally connected to the top side of the base, a rotating seat is fixedly installed on the top side of the rotating table, two first connecting pins are symmetrically and fixedly installed on the top side of the rotating seat, and first connecting rods are rotationally connected to the adjacent sides of the two first connecting pins. The two first connecting rods are jointly and fixedly connected with a mounting base. A mounting cavity is formed in the inner side of the mounting base, and a moving rod is slidably connected to the inner side of the mounting cavity. Through the cooperation of the first electric cylinder, the movable plate and the connecting rod, the clamping jaw can be driven to rotate flexibly, and steel raw materials can be grabbed stably and released quickly; through cooperation of the first motor and the rotating base, the rotating base and the mounting base can be driven to rotate flexibly, through cooperation of the second electric cylinder and the mounting base, the mounting base and the moving rod can be driven to rotate flexibly, and therefore after the clamping jaw clamps the steel raw material, the steel raw material is driven to move flexibly.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel production and processing equipment, and more specifically, particularly relates to a mechanical arm for feeding before furnace. Background Art

[0002] When producing steel, an electric furnace is needed to melt steel raw materials. During the melting process, first, the steel raw materials need to be put into the electric furnace. However, the existing feeding methods are mostly that operators manually move the steel raw materials and put them into the feeding port of the electric furnace. The temperature inside the electric furnace is relatively high, and during the feeding process, there is a risk that the operator may fall into the electric furnace, which has certain potential safety hazards. Therefore, in view of this, the existing structure and deficiencies are studied and improved, and a mechanical arm for feeding before furnace is provided, in order to achieve a more practical and valuable purpose. Content of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a mechanical arm for feeding before furnace, which is achieved by the following specific technical means:

[0004] A mechanical arm for feeding before furnace includes a base. A rotating table is rotatably connected to the top side of the base. A rotating seat is fixedly installed on the top side of the rotating table. Two groups of connecting pins I are symmetrically and fixedly installed on the top side of the rotating seat. Connecting rod I is rotatably connected to the adjacent sides of the two groups of connecting pins I. The two groups of connecting rod I are fixedly connected together to form a mounting seat. An installation chamber is arranged inside the mounting seat. A moving rod is slidably connected to the inside of the installation chamber. One end of the moving rod passes through the installation chamber. Two groups of connecting pins II are symmetrically and fixedly installed on the bottom side of one end of the moving rod. A rotating shaft is rotatably connected to the two groups of connecting pins II. Connecting plates are fixedly installed on the outer sides of both ends of the rotating shaft. A clamping mechanism is commonly installed on the bottom sides of the two groups of connecting plates.

[0005] Further, the clamping mechanism includes a connecting frame. The bottom ends of the two groups of connecting plates are fixedly connected to the top side of the connecting frame. Claw is rotatably connected to both sides of the connecting frame.

[0006] Further, an electric cylinder I is fixedly installed on the top side of the connecting frame. The output end of the electric cylinder I passes through the connecting frame and is fixedly installed with a moving plate. Connecting rods are rotatably connected to both sides of the moving plate. One ends of the two groups of connecting rods are respectively rotatably connected to the inner sides of the two groups of claws.

[0007] Further, a gear is fixedly installed on the outer side of the rotating shaft. A connecting groove for the rotation of the gear is provided on the bottom side of the moving rod. One side of the gear passes through the connecting groove and is meshed with a rack on the inner side of the moving rod. A slider is fixedly installed on the top side of the rack. A sliding groove for slidably connecting with the slider is provided on the inner side of the moving rod. An electric cylinder three is fixedly installed on the inner side of the moving rod. The output end of the electric cylinder three is fixedly connected with one side of the rack.

[0008] Further, a protective cover is fixedly installed on one end of the moving rod through a fastener.

[0009] Further, a motor two is fixedly installed on the inner side of the mounting seat. The output end of the motor two is fixedly installed with a screw rod. A threaded hole for threadedly connecting with the screw rod is provided on the inner side of the moving rod.

[0010] Further, two groups of connecting pins three are symmetrically and fixedly installed on one side of the rotating seat. Connecting rod two is rotatably connected to the adjacent sides of the two groups of connecting pins three. The two groups of connecting rod two are commonly fixedly connected with an electric cylinder two. Connecting rod three is fixedly connected to both sides of the output end of the electric cylinder two. One end of each of the two groups of connecting rod three is rotatably connected to a connecting pin four. The top sides of the two groups of connecting pins four are fixedly connected to the bottom side of the mounting seat.

[0011] Further, a motor one is fixedly installed on the inner side of the base. The output end of the motor one is fixedly installed with a driving shaft. One end of the driving shaft passes through the rotating table and is fixedly connected to the bottom side of the rotating seat.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] Through the cooperation of the electric cylinder one, the moving plate and the connecting rod, the utility model can drive the flexible rotation of the clamping jaw, and realize the stable grasping and rapid release of the steel raw material; through the cooperation of the motor one and the rotating seat, the flexible rotation of the rotating seat and the mounting seat can be realized. Through the cooperation of the electric cylinder two and the mounting seat, the flexible rotation of the mounting seat and the moving rod can be realized, so as to realize the flexible movement of the steel raw material after the clamping jaw clamps the steel raw material, avoiding the cumbersome operation of manually moving the steel raw material into the electric furnace by the operator and eliminating the safety hazard. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the overall structural schematic diagram of the utility model.

[0015] Figure 2 is the structural schematic diagram of the screw rod and the moving rod of the utility model.

[0016] Figure 3 is the structural schematic diagram of the electric cylinder one and the rack of the utility model.

[0017] Figure 4 This is a schematic structural diagram of the clamping mechanism of the present utility model.

[0018] Figure 5 This is a schematic installation diagram of the first motor of the present utility model.

[0019] In the figure, the corresponding relationship between the component names and the drawing reference numbers is as follows:

[0020] 1. Base; 2. Rotary table; 3. Rotary seat; 4. First connection pin; 5. Mounting seat; 6. Moving rod; 7. Second connection pin; 8. Connection plate; 9. Connection frame; 10. Claw; 11. First electric cylinder; 12. Moving plate; 13. Link; 14. Second electric cylinder; 15. First motor; 16. Second motor; 17. Screw; 18. Rotating shaft; 19. Gear; 20. Rack; 21. Third electric cylinder. Specific implementation manners

[0021] The following further describes in detail the implementation manners of the present utility model with reference to the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] In the description of the present utility model, unless otherwise specified, "a plurality of" means two or more; the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations. Embodiment

[0024] As shown in Figure 1 to Figure 5 shown:

[0025] The utility model provides a mechanical arm for feeding in front of a furnace, which comprises a base 1. A rotating table 2 is rotatably connected to the top side of the base 1. A rotating seat 3 is fixedly installed on the top side of the rotating table 2. Two groups of connecting pins 4 are symmetrically and fixedly installed on the top side of the rotating seat 3. Connecting rods 1 are rotatably connected to the adjacent sides of the two groups of connecting pins 4. The two groups of connecting rods 1 are fixedly connected together to form a mounting seat 5. An installation chamber is arranged inside the mounting seat 5. A moving rod 6 is slidably connected to the inside of the installation chamber. One end of the moving rod 6 passes through the installation chamber. Two groups of connecting pins 7 are symmetrically and fixedly installed on the bottom side of one end of the moving rod 6. A rotating shaft 18 is rotatably connected to the two groups of connecting pins 7. Connecting plates 8 are fixedly installed on the outer sides of both ends of the rotating shaft 18. A clamping mechanism is installed on the bottom sides of the two groups of connecting plates 8.

[0026] Among them, the clamping mechanism comprises a connecting frame 9. The bottom ends of the two groups of connecting plates 8 are fixedly connected to the top side of the connecting frame 9. Claw jaws 10 are rotatably connected to both sides of the connecting frame 9, which can realize the rapid grasping and releasing of steel raw materials.

[0027] Among them, an electric cylinder 11 is fixedly installed on the top side of the connecting frame 9. The output end of the electric cylinder 11 passes through the connecting frame 9 and is fixedly installed with a moving plate 12. Connecting rods 13 are rotatably connected to both sides of the moving plate 12. One ends of the two groups of connecting rods 13 are respectively rotatably connected to the inner sides of the two groups of claw jaws 10, which can realize the flexible movement of the claw jaws 10.

[0028] Among them, a gear 19 is fixedly installed on the outer side of the rotating shaft 18. A connecting groove for the rotation of the gear 19 is arranged on the bottom side of the moving rod 6. One side of the gear 19 passes through the connecting groove and is meshed with a rack 20 inside the moving rod 6. A slider is fixedly installed on the top side of the rack 20. A sliding groove for sliding connection with the slider is arranged inside the moving rod 6. An electric cylinder 21 is fixedly installed inside the moving rod 6. The output end of the electric cylinder 21 is fixedly connected to one side of the rack 20, which can realize the flexible movement of the steel raw materials driven by the clamping mechanism.

[0029] Among them, a protective cover is fixedly installed on one end of the moving rod 6 through a fastener, which is convenient for installing the rack 20 and the electric cylinder 21. When the electric cylinder 21 needs to be overhauled, the protective cover can be removed for overhaul.

[0030] Among them, a motor 2 is fixedly installed inside the mounting seat 5. A screw rod 17 is fixedly installed at the output end of the motor 2. A threaded hole for threaded connection with the screw rod 17 is arranged inside the moving rod 6, which can realize the flexible and stable movement of the moving rod 6.

[0031] Among them, two groups of connecting pins three are symmetrically and fixedly installed on one side of the rotating base 3. Connecting rods two are rotatably connected to the adjacent sides of the two groups of connecting pins three. The two connecting rods two are commonly and fixedly connected to the electric cylinder two 14. Both sides of the output end of the electric cylinder two 14 are fixedly connected to connecting rods three. One ends of the two connecting rods three are rotatably connected to connecting pins four. The top sides of the two connecting pins four are fixedly connected to the bottom side of the mounting base 5, which can drive the flexible rotation of the mounting base 5 and the moving rod 6.

[0032] Among them, a motor one 15 is fixedly installed inside the base 1. The output end of the motor one 15 is fixedly installed with a driving shaft. One end of the driving shaft passes through the rotating table 2 and is fixedly connected to the bottom side of the rotating base 3, which can realize the flexible rotation of driving the rotating base 3 and the mounting base 5.

[0033] The working principle of this embodiment: When feeding is required, first connect the electric cylinder one 11, the electric cylinder two 14, the motor one 15, the motor two 16 and the electric cylinder three 21 to an external power supply and a control unit. Start the electric cylinder one 11 to drive the moving plate 12 to move. The moving plate 12 drives the two connecting rods 13 to move. The two connecting rods 13 drive the two clamping jaws 10 to rotate and clamp the steel raw materials. Then start the motor one 15 to drive the rotating base 3 and the mounting base 5 to rotate. Start the electric cylinder two 14 to drive the mounting base 5 and the moving rod 6 to rotate. Then start the motor two 16 to drive the screw rod 17 to rotate. The screw rod 17 drives the moving rod 6 to move, and moves the steel raw materials to the top side of the electric furnace feeding port. Then drive the electric cylinder one 11 to move in the reverse direction, and drive the moving plate 12 to move in the reverse direction, so that the clamping jaws 10 release the steel raw materials, and the steel raw materials fall into the electric furnace to complete the feeding.

[0034] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better explain the principles of the present invention and its practical applications, and to enable those of ordinary skill in the art to understand the present invention and thus design various embodiments with various modifications suitable for specific purposes.

Claims

1. A furnace charging robot arm, comprising a base (1), characterized in that: A rotating platform (2) is rotatably connected to the top side of the base (1), a rotating seat (3) is fixedly installed on the top side of the rotating platform (2), two groups of connecting pins (4) are symmetrically fixedly installed on the top side of the rotating seat (3), and connecting rods (1) are rotatably connected to the adjacent sides of the two groups of connecting pins (4), and the two groups of connecting rods (1) are commonly fixedly connected to a mounting seat (5); a mounting chamber is provided on the inner side of the mounting seat (5), and a moving rod (6) is slidably connected to the inner side of the mounting chamber, one end of the moving rod (6) passes through the mounting chamber, and two groups of connecting pins (7) are symmetrically fixedly installed on the bottom side of one end of the moving rod (6), and the two groups of connecting pins (7) are commonly rotatably connected to a rotating shaft (18), and connecting plates (8) are fixedly installed on the outer sides of both ends of the rotating shaft (18), and a clamping mechanism is commonly installed on the bottom sides of the two groups of connecting plates (8).

2. The furnace front charging robot arm as claimed in claim 1, characterized in that: The clamping mechanism comprises a connecting frame (9), the bottom ends of the two groups of connecting plates (8) are fixedly connected to the top side of the connecting frame (9), and clamping claws (10) are rotatably connected on both sides of the connecting frame (9).

3. The furnace front charging robot arm as claimed in claim 2, characterized in that: An electric cylinder 1 (11) is fixedly mounted on the top side of the connecting frame (9); an output end of the electric cylinder 1 (11) passes through the connecting frame (9) and is fixedly mounted with a movable plate (12); connecting rods (13) are rotatably connected to both sides of the movable plate (12); one end of the two groups of connecting rods (13) are respectively rotatably connected to the inner sides of the two groups of clamping jaws (10).

4. The furnace front charging robot arm as claimed in claim 1, characterized in that: A gear (19) is fixedly mounted on the outer side of the rotating shaft (18); a connecting groove for the gear (19) to rotate is provided on the bottom side of the moving rod (6); one side of the gear (19) passes through the connecting groove and is meshedly connected with a rack (20) on the inner side of the moving rod (6); a slider is fixedly mounted on the top side of the rack (20); a sliding groove slidably connected to the slider is provided on the inner side of the moving rod (6); an electric cylinder three (21) is fixedly mounted on the inner side of the moving rod (6); an output end of the electric cylinder three (21) is fixedly connected to one side of the rack (20).

5. The furnace front charging robot arm as claimed in claim 1, characterized in that: A protective cover is fixedly mounted on one end of the moving rod (6) via a fastener.

6. The furnace front charging robot arm as claimed in claim 1, characterized in that: A second motor (16) is fixedly mounted on the inner side of the mounting seat (5), a screw rod (17) is fixedly mounted on the output end of the second motor (16), and a screw hole that can be threadedly connected to the screw rod (17) is provided on the inner side of the moving rod (6).

7. The furnace front charging robot arm as claimed in claim 1, characterized in that: Two groups of connecting pins three are symmetrically fixedly mounted on one side of the rotating seat (3), and connecting rods two are rotatably connected on adjacent sides of the two groups of connecting pins three. The two groups of connecting rods two are commonly fixedly connected to electric cylinder two (14), and connecting rods three are fixedly connected to both sides of the output end of the electric cylinder two (14). One end of the two groups of connecting rods three is rotatably connected to connecting pins four, and the top sides of the two groups of connecting pins four are fixedly connected to the bottom side of the mounting seat (5).

8. The furnace front charging robot arm as claimed in claim 1, characterized in that: A motor 1 (15) is fixedly mounted on the inner side of the base (1), a drive shaft is fixedly mounted on the output end of the motor 1 (15), and one end of the drive shaft passes through the rotating table (2) and is fixedly connected to the bottom side of the rotating seat (3).

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