Clamping device of high-temperature steelmaking mechanical arm

Abstract

The utility model relates to the related technical field of steelmaking, and provides a clamping device of a high-temperature steelmaking mechanical arm, which comprises a base and a moving seat, the moving seat is arranged on the base, a radial moving component is arranged between the base and the moving seat, a clamping seat is arranged outside the moving seat, and an overturning component is arranged between the clamping seat and the moving seat. The clamping assembly is arranged on the clamping base and comprises a pair of rectangular cavities, the rectangular cavities are formed in the clamping base, a pair of inner racks are slidably connected into the rectangular cavities, and driving motors are arranged at the top and the bottom of the moving base. According to the technical scheme, the problems that an existing clamping device is complex in structure, a mechanical clamp is single in function, two kinds of function operation cannot be conducted at the same time, and the working efficiency becomes low in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field related to steelmaking, and in particular to a clamping device for a high-temperature steelmaking mechanical arm. Background Art

[0002] With the development of society, steel products are used more and more widely in life. Since the temperature generated in some steelmaking processes is too high, a mechanical arm is needed to replace manual operation. The mechanical arm can clamp steel well. The clamping device in the existing mechanical arm still has certain defects in use. Although the existing clamping device can clamp steel, when encountering a steel pipe with a smooth surface, the mechanical clamp will slip between the steel mechanical clamps due to the heavy weight of the steel pipe, resulting in operational errors. In addition, the existing clamping device has a complex structure, and the function of the mechanical clamp is single, and it cannot perform two functions at the same time, which reduces work efficiency.

[0003] Therefore, improvements are made to address the above problems. Utility Model Content

[0004] The utility model provides a clamping device for a high-temperature steelmaking mechanical arm, which solves the problem in the related art that the existing clamping device has a complex structure and the mechanical clamp has a single function and cannot perform two functions at the same time, resulting in low work efficiency.

[0005] The technical solution of the utility model is as follows:

[0006] A base and a movable base, wherein the movable base is arranged on the base;

[0007] a straight moving assembly, the straight moving assembly being arranged between the base and the moving seat;

[0008] A clamping seat and a flip assembly, wherein the clamping seat is arranged outside the movable seat, and the flip assembly is arranged between the clamping seat and the movable seat;

[0009] A clamping assembly, wherein the clamping assembly is arranged on the clamping seat;

[0010] The clamping assembly includes a pair of rectangular cavities, both of which are opened in the clamping seat. A pair of inner racks are slidably connected in the rectangular cavities, and driving motors are provided on the top and bottom of the moving seat.

[0011] As a further technical solution, a driving gear is provided at the output end of the driving motor, the driving gear is engaged with the inner rack, a connecting shaft is provided on the upper end surface of the inner rack, and a pair of side grooves are provided on both sides of the clamping seat.

[0012] As a further technical solution, a clamping frame is rotatably connected to the side groove through a pin shaft, a transmission hole is opened on the surface of the clamping frame, the transmission hole is slidably sleeved on the outside of the connecting shaft, and a long groove is opened on the side end surface of the clamping seat.

[0013] As a further technical solution, a hydraulic cylinder is provided in the long groove, the output end of the hydraulic cylinder is movably connected to an extrusion frame, and an internal support spring is connected between the extrusion frame and the output end of the hydraulic cylinder.

[0014] As a further technical solution, the flip assembly includes an inner cavity, which is opened in the movable seat. A rotating shaft is provided on the side end surface of the clamping seat, and the rotating shaft is rotatably connected in the inner cavity.

[0015] As a further technical solution, a second motor is provided on the top of the movable seat, the output end of the second motor is located in the inner cavity, and the output end of the second motor and one end of the rotating shaft are both provided with transmission gears.

[0016] As a further technical solution, the straight moving component includes a straight groove, which is opened on the surface of the base. A driving screw is arranged in the straight groove, and the driving screw is controlled to rotate by a motor. A pair of slide rails are arranged on the surface of the base, and the moving seat is slidably connected to the slide rails. The moving seat is connected to the driving screw through threaded cooperation.

[0017] As a further technical solution, an annular slide is rotatably connected between the clamping seat and the movable seat, and the annular slide is located at the same axis as the rotating shaft.

[0018] As a further technical solution, the front end of the clamping frame is an arc-shaped structure bent inward.

[0019] As a further technical solution, the cross section of the connection between the extrusion frame and the hydraulic cylinder is a rectangular structure.

[0020] The working principle and beneficial effects of the utility model are as follows:

[0021] 1. The utility model is provided with a clamping assembly. Through the interaction of structures such as the inner rack, the driving gear, the connecting shaft, the clamping frame, the hydraulic cylinder and the extrusion frame, the steel pipe can be clamped by two clamping frames with arcs. It can clamp steel pipes of various shapes. In conjunction with the extrusion frame, the steel pipe can be firmly clamped without sliding or falling off. It has a good clamping effect and practicality.

[0022] 2. The utility model is provided with a flip assembly. Through the interaction of the inner cavity, the rotating shaft, the second motor and the transmission gear and other structures, the clamping seat can be controlled by the second motor to rotate 360° after clamping the steel pipe. It can adapt to various angles and has a good angular rotation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0024] Figure 1 This is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is an axonometric sectional view of the utility model;

[0026] Figure 3 This is an axonometric cross-sectional view from another perspective of the present invention;

[0027] Figure 4 For this utility model Figure 3 A partial enlarged view of part A;

[0028] In the figure: 1. Base; 2. Moving seat; 3. Clamping seat; 4. Clamping assembly; 4-1. Rectangular cavity; 4-2. Inner rack; 4-3. Driving motor; 4-4. Driving gear; 4-5. Connecting shaft; 4-6. Side groove; 4-7. Clamping frame; 4-8. Transmission hole; 4-9. Long groove; 4-10. Hydraulic cylinder; 4-11. Extrusion frame; 4-12. Inner support spring; 5. Flipping assembly; 5-1. Inner cavity; 5-2. Rotating shaft; 5-3. Second motor; 5-4. Transmission gear; 6. Straight moving assembly; 6-1. Straight groove; 6-2. Driving screw; 6-3. Slide rail; 7. Annular slide. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0030] like Figures 1 to 4 As shown, this embodiment proposes a gripping device for a high-temperature steelmaking robot arm, comprising

[0031] A base 1 and a movable base 2, wherein the movable base 2 is arranged on the base 1;

[0032] A straight moving component 6 is provided between the base 1 and the moving seat 2;

[0033] The clamping seat 3 and the flip assembly 5 are arranged outside the movable seat 2, and the flip assembly 5 is arranged between the clamping seat 3 and the movable seat 2;

[0034] The clamping assembly 4 is arranged on the clamping seat 3;

[0035] The clamping assembly 4 includes a pair of rectangular cavities 4-1, which are both opened in the clamping seat 3. A pair of inner racks 4-2 are slidably connected in the rectangular cavities 4-1. A driving motor 4-3 is provided on the top and bottom of the movable seat 2. A driving gear 4-4 is provided at the output end of the driving motor 4-3. The driving gear 4-4 is meshed with the inner rack 4-2. A connecting shaft 4-5 is provided on the upper end face of the inner rack 4-2. A pair of side grooves 4-6 are provided on both sides of the clamping seat 3. A clamping frame 4-7 is rotatably connected to the side groove 4-6 through a pin shaft. A transmission hole 4-8 is provided on the surface of the clamping frame 4-7. The transmission hole 4-8 is slidably sleeved on the outside of the connecting shaft 4-5. A long groove 4-9 is provided on the side end face of the clamping seat 3. A hydraulic cylinder 4-10 is provided in the long groove 4-9. The output end of the hydraulic cylinder 4-10 is movably sleeved with an extrusion frame 4-11, and an internal support spring 4-12 is connected between the extrusion frame 4-11 and the output end of the hydraulic cylinder 4-10.

[0036] In this embodiment, in order to achieve the effect of firmly clamping the steel pipe, a clamping component 4 is designed. Two rectangular cavities 4-1 are opened inside the clamping seat 3, and two opposite inner racks 4-2 are slidably connected inside. A driving motor 4-3 is provided at the top and bottom of the movable seat 2. A driving gear 4-4 is provided at the output end of the driving motor 4-3 and meshes with the inner rack 4-2. The driving gear 4-4 can simultaneously control the movement of the two inner racks 4-2. A connecting shaft 4-5 is provided on the end face of the inner rack 4-2. Two side grooves 4-6 connected to the rectangular cavity 4-1 are opened on both sides of the clamping seat 3. A clamping frame 4- 7. A transmission hole 4-8 is provided on the surface of the clamping frame 4-7 and is connected to the connecting column set. When the inner rack 4-2 moves, the clamping frame 4-7 can be pushed and pulled by the connecting column. The clamping frame 4-7 rotates with the pin connection as the axis to achieve the clamping effect, and a long groove 4-9 is provided on the surface of the clamping seat 3. A hydraulic cylinder 4-10 is provided in the long groove 4-9 and a retractable extrusion frame 4-11 is connected to the output end. An internal support spring 4-12 is connected between the extrusion frame 4-11 and the hydraulic cylinder 4-10. The internal support spring 4-12 can cooperate with the extrusion frame 4-11 to shrink to reduce the pressure on the steel pipe and avoid deformation caused by excessive extrusion.

[0037] Furthermore, the flipping assembly 5 includes an inner cavity 5-1, which is opened in the movable seat 2. A rotating shaft 5-2 is provided on the side end face of the clamping seat 3, and the rotating shaft 5-2 is rotatably connected in the inner cavity 5-1. A second motor 5-3 is provided on the top of the movable seat 2, and the output end of the second motor 5-3 is located in the inner cavity 5-1. A transmission gear 5-4 is provided at the output end of the second motor 5-3 and one end of the rotating shaft 5-2.

[0038] In this embodiment, in order to achieve the effect that the steel pipe can be flipped, a flipping component 5 is designed, an inner cavity 5-1 is opened inside the movable seat 2, a rotating shaft 5-2 is provided on one side of the clamping seat 3 and is rotatably connected in the inner cavity 5-1, a second motor 5-3 is provided on the top of the movable seat 2, and a transmission gear 5-4 is provided at the output end of the second motor 5-3 and one end of the rotating shaft 5-2 and is engaged with each other, and the rotation of the clamping seat 3 can be controlled by the second motor 5-3.

[0039] Furthermore, the straight moving component 6 includes a straight groove 6-1, which is opened on the surface of the base 1. A driving screw 6-2 is arranged in the straight groove 6-1, and the driving screw 6-2 is controlled to rotate by a motor. A pair of slide rails 6-3 are arranged on the surface of the base 1, and the moving seat 2 is slidingly connected to the slide rails 6-3. The moving seat 2 is connected to the driving screw 6-2 through threaded matching.

[0040] In this embodiment, in order to achieve the effect of controlling the linear movement of the clamping seat 3, a straight groove 6-1 is opened on the surface of the base 1, and a driving screw 6-2 whose rotation is controlled by a motor is provided inside. Two slide rails 6-3 are provided on the surface of the base 1. The moving seat 2 is slidably connected to the slide rails 6-3 and is connected to the driving screw 6-2 through a threaded connection. The moving seat 2 can be controlled to move linearly along the slide rails 6-3 by the driving screw 6-2.

[0041] Furthermore, an annular slideway 7 is rotatably connected between the clamping seat 3 and the movable seat 2, and the annular slideway 7 and the rotating shaft 5-2 are located at the same axis.

[0042] In this embodiment, the annular slideway 7 is installed to increase the stability of the clamping seat 3 and the moving seat 2 during rotation.

[0043] Furthermore, the front end of the clamping frame 4-7 is an arc-shaped structure that bends inward.

[0044] In this embodiment, the arc-shaped structure is matched with the outer structure of the steel pipe, so that steel pipes with various outer structures can be clamped.

[0045] Furthermore, the cross section of the connection between the extrusion frame 4-11 and the hydraulic cylinder 4-10 is a rectangular structure.

[0046] In this embodiment, the rectangular structure allows the extrusion frame 4-11 to maintain a constant angle when it is extended and retracted, and has a certain curvature on the surface, so that it can better fit the surface of the steel pipe.

[0047] When it is needed, the moving seat 2 is controlled to move linearly by driving the lead screw 6-2 to move the clamping frame 4-7 into the furnace. The clamping frame 4-7 is located on both sides of the steel pipe. The driving motor 4-3 is started to drive the inner rack 4-2 through the driving gear 4-4, so that the connecting column pushes the clamping frame 4-7. The front end of the clamping frame 4-7 clamps the steel pipe, and then the hydraulic cylinder 4-10 is started to control the extrusion frame 4-11 to cooperate with the clamping frame 4-7 to press the steel pipe, and the internal support spring 4-12 is used for buffering. After clamping, it moves outward and withdraws. When it needs to be flipped, the second motor 5-3 is started to control the clamping seat 3 to rotate in any direction.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A gripping device for a high-temperature steelmaking robot arm, characterized in that: include A base (1) and a movable base (2), wherein the movable base (2) is arranged on the base (1); a straight moving assembly (6), the straight moving assembly (6) being arranged between the base (1) and the moving seat (2); A clamping seat (3) and a flip assembly (5), wherein the clamping seat (3) is arranged outside the movable seat (2), and the flip assembly (5) is arranged between the clamping seat (3) and the movable seat (2); A clamping assembly (4), wherein the clamping assembly (4) is arranged on the clamping seat (3); The clamping assembly (4) includes a pair of rectangular cavities (4-1), each of which is opened in the clamping seat (3), a pair of inner racks (4-2) are slidably connected in the rectangular cavities (4-1), and a driving motor (4-3) is provided at the top and bottom of the movable seat (2).

2. The gripping device of a high-temperature steelmaking robot arm according to claim 1, characterized in that: The output end of the driving motor (4-3) is provided with a driving gear (4-4), the driving gear (4-4) is meshed with the inner rack (4-2), the upper end surface of the inner rack (4-2) is provided with a connecting shaft (4-5), and a pair of side grooves (4-6) are provided on both sides of the clamping seat (3).

3. The gripping device of a high-temperature steelmaking robot arm according to claim 2, characterized in that: A clamping frame (4-7) is rotatably connected in the side groove (4-6) via a pin shaft. A transmission hole (4-8) is provided on the surface of the clamping frame (4-7). The transmission hole (4-8) is slidably sleeved on the outside of the connecting shaft (4-5). A long groove (4-9) is provided on the side end surface of the clamping seat (3).

4. The gripping device of a high-temperature steelmaking robot arm according to claim 3, characterized in that: A hydraulic cylinder (4-10) is provided in the long slot (4-9); an output end of the hydraulic cylinder (4-10) is movably connected to an extrusion frame (4-11); and an internal support spring (4-12) is connected between the extrusion frame (4-11) and the output end of the hydraulic cylinder (4-10).

5. The gripping device for a high-temperature steelmaking robot arm according to claim 1, characterized in that: The flip assembly (5) includes an inner cavity (5-1), which is opened in the movable seat (2); a rotating shaft (5-2) is provided on the side end surface of the clamping seat (3), and the rotating shaft (5-2) is rotatably connected to the inner cavity (5-1).

6. The gripping device of a high-temperature steelmaking robot arm according to claim 5, characterized in that: A second motor (5-3) is provided on the top of the movable seat (2); an output end of the second motor (5-3) is located in the inner cavity (5-1); and a transmission gear (5-4) is provided at the output end of the second motor (5-3) and one end of the rotating shaft (5-2).

7. The gripping device for a high-temperature steelmaking robot arm according to claim 1, characterized in that: The straight moving component (6) comprises a straight groove (6-1), the straight groove (6-1) is opened on the surface of the base (1), a driving screw (6-2) is arranged in the straight groove (6-1), the driving screw (6-2) is controlled to rotate by a motor, a pair of slide rails (6-3) are arranged on the surface of the base (1), the moving seat (2) is slidably connected to the slide rails (6-3), and the moving seat (2) is connected to the driving screw (6-2) through threaded matching.

8. The gripping device for a high-temperature steelmaking robot arm according to claim 6, characterized in that: An annular slideway (7) is rotatably connected between the clamping seat (3) and the movable seat (2), and the annular slideway (7) and the rotating shaft (5-2) are located at the same axis.

9. The gripping device for a high-temperature steelmaking robot arm according to claim 3, characterized in that: The front end of the clamping frame (4-7) is an arc-shaped structure that bends inward.

10. The gripping device for a high-temperature steelmaking robot arm according to claim 4, characterized in that: The cross section of the connection between the extrusion frame (4-11) and the hydraulic cylinder (4-10) is a rectangular structure.

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