Clamping device for curved-surface nodular iron casting

Abstract

The utility model discloses a clamping device for a curved-surface nodular iron casting, which belongs to the technical field of clamping devices and comprises supporting frame bodies, a vertical moving frame connected between the supporting frame bodies in a sliding manner, and a placing table fixedly mounted on the supporting frame bodies, a driving mechanism for promoting the vertical moving frame to adjust the height is installed between a top plate and a bottom plate of the supporting frame body, so that the clamping device can adapt to nodular iron castings of different sizes, and a clamping assembly is arranged on the vertical moving frame and can clamp and fix cast iron parts; the clamping device is simple in structure and convenient to operate, the phenomenon that cast iron parts shake or deviate in the machining process is avoided, the cast iron part machining effect is guaranteed, an auxiliary stabilizing structure is arranged on the containing table, the situation that nodular cast iron is fixed manually with hands is avoided, and the nodular cast iron part machining efficiency and the safety of the clamping device can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, in particular to a clamping device for curved ductile iron castings. Background Art

[0002] Ductile iron castings are a general term for alloys primarily composed of iron, carbon, and silicon. They offer medium-to-high strength, moderate toughness and ductility, high overall performance, excellent wear resistance and vibration damping, and excellent casting processability. Their properties can be modified through various heat treatments. They are primarily used in various power machinery components, including crankshafts, camshafts, connecting shafts, connecting rods, gears, clutch plates, and hydraulic cylinders.

[0003] In the prior art, the clamping devices used in the machining and casting of ductile iron parts have poor machining and fixing effects, resulting in shaking or offsetting. In addition, the clamping effect is fixed and cannot be adjusted according to the size and position of the ductile iron parts. Therefore, those skilled in the art have provided a clamping device for curved ductile iron parts to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a clamping device for curved ductile iron castings to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a clamping device for curved ductile iron castings, comprising a support frame, a vertical movable frame slidably connected between the support frames, and a placement table fixedly mounted on the support frames, a driving mechanism for causing the vertical movable frame to adjust its height being mounted between the top and bottom plates of the support frames, a clamping assembly being provided on the vertical movable frame, and an auxiliary stabilizing structure being provided on the placement table;

[0006] The driving mechanism is mainly driven by a servo motor, and the servo motor is fixedly installed on the top of the support frame. The output shaft of the servo motor passes through the top plate of the support frame and is connected to the threaded screw. The other end of the threaded screw is movably installed in a rotating bearing, and the rotating bearing is fixedly welded to the upper surface of the bottom plate of the support frame. Support slide rods are fixedly installed at both ends of the threaded screw, and the two ends of the two groups of support slide rods are respectively welded to the top plate and the bottom plate of the support frame.

[0007] Preferably: the clamping assembly is provided with two symmetrical groups, each group of clamping assemblies is directly acted upon by the clamping piece, a connecting shaft is fixedly connected to the middle of the outer arc surface of the clamping piece, two groups of electric telescopic rods are symmetrically installed on both sides of the connecting shaft, the active end of the electric telescopic rod is connected to the outer arc surface of the clamping piece, and the other end of the connecting shaft and the electric telescopic rod are fixedly installed on one side surface of the horizontal movable plate.

[0008] Preferably, a piston rod is detachably mounted on the middle portion of the other side surface of the horizontal movable plate, and the other end of the piston rod is cooperatively mounted on a telescopic cylinder, which is fixedly mounted on the opposite inner side of the vertical movable frame.

[0009] Preferably, a slide groove is dug on the inner side of the horizontal plate of the vertical moving frame, a protrusion is slidably installed in the slide groove, and the protrusion is welded to one end of the horizontal moving plate.

[0010] Preferably: a first connecting slider is fixedly welded to the middle part of the outer side of the horizontal plate of the vertical moving frame, two groups of second connecting sliders are symmetrically arranged on both sides of the first connecting slider, a threaded hole that cooperates with the threaded screw is dug in the middle part of the first connecting slider, and a through hole that slides with the rotating bearing is dug in the middle part of the second connecting slider.

[0011] Preferably: the auxiliary stabilization structure includes two groups of baffles, the bottom ends of the baffles are movably installed with the angle adjustment parts, the angle adjustment parts and the bottom ends of the T-shaped slide bars are hinged to each other, the horizontal bars of the T-shaped slide bars move in the sliding cavity, the vertical bars of the T-shaped slide bars slide on the slide rails, and the slide rails and the sliding cavity are dug through on the placement table.

[0012] Preferably, the outer circumferences of the connecting shaft and the electric telescopic rod are respectively sleeved with a first compression spring and a second compression spring, and the first compression spring and the second compression spring are fixedly installed between the clamping member and the horizontal moving plate.

[0013] Preferably, the clamping member is made of a plastic material, and an anti-slip pad is provided on the inner arc surface of the clamping member.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. In the present invention, two sets of symmetrically arranged clamping members can clamp and fix the cast iron parts by starting the compression cylinder, thereby preventing the cast iron parts from shaking or deflecting during the processing and ensuring the processing effect of the cast iron parts. The setting of the first compression spring and the second compression spring can make the two clamping members have both adjustment and buffering effects, thereby strengthening the clamping and fixing effect of the two clamping plates on the cast iron parts.

[0016] 2. In the utility model, by installing electric telescopic rods at both ends of the outer arc surface of the clamping part, the adjustment range of the cast iron parts can be improved. The overall structure is simple and easy to use, which achieves the purpose of facilitating the adjustment of the clamping device and improves the use range and efficiency of the clamping device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure on the support frame of the utility model;

[0019] Figure 3 This is a schematic diagram of the vertical movable frame structure of the utility model;

[0020] Figure 4 It is a cross-sectional view of the placement table of the utility model.

[0021] In the figure: 1. support frame, 2. vertical moving frame, 3. placement table, 4. clamping part, 5. servo motor, 6. threaded screw, 7. rotating bearing, 8. support slide bar, 9. slide rail, 10. angle adjustment part, 11. baffle, 12. T-shaped slide bar, 13. sliding chamber, 14. telescopic cylinder, 15. piston rod, 16. horizontal moving plate, 17. slide groove, 18. connecting shaft, 19. first compression spring, 20. electric telescopic rod, 21. second compression spring, 22. first connecting slider, 23. second connecting slider, 24. bump. DETAILED DESCRIPTION

[0022] 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 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.

[0023] See also Figures 1 to 4 In the embodiment of the utility model, a clamping device for curved ductile iron parts includes a supporting frame 1, a vertically movable frame 2 slidably connected between the supporting frames 1, and a placing table 3 fixedly installed on the supporting frame 1. A driving mechanism that causes the vertically movable frame 2 to adjust its height is installed between the top plate and the bottom plate of the supporting frame 1, so that the clamping device can adapt to ductile iron parts of different sizes. A clamping assembly is provided on the vertically movable frame 2, which can clamp and fix the cast iron parts to avoid shaking or offsetting of the cast iron parts during processing, thereby ensuring the processing effect of the cast iron parts. An auxiliary stabilizing structure is provided on the placing table 3 to avoid the situation of manually fixing the ductile iron cast iron, which can improve the processing efficiency of the ductile iron parts and the safety of the clamping device.

[0024] When in use, the driving mechanism is mainly driven by the servo motor 5, which is fixedly installed on the top of the support frame 1. The output shaft of the servo motor 5 passes through the top plate of the support frame 1 and is connected to the threaded screw 6. The other end of the threaded screw 6 is movably installed in the rotating bearing 7, and the rotating bearing 7 is fixedly welded to the upper surface of the bottom plate of the support frame 1. Support slide rods 8 are fixedly installed at both ends of the threaded screw 6. The two ends of the two groups of support slide rods 8 are respectively welded to the top plate and the bottom plate of the support frame 1. Start the servo motor 5 to drive the rotation of the threaded screw 6, thereby realizing flexible adjustment of the height of the vertical moving frame 2 and improving the use range of the clamping device.

[0025] In one embodiment, specifically, the clamping assembly is provided with two symmetrical groups, each group of clamping assemblies is directly acted upon by the clamping member 4, a connecting shaft 18 is fixedly connected to the middle of the outer arc surface of the clamping member 4, and two groups of electric telescopic rods 20 are symmetrically installed on both sides of the connecting shaft 18, the active end of the electric telescopic rod 20 is connected to the outer arc surface of the clamping member 4, the other end of the connecting shaft 18 and the electric telescopic rod 20 are fixedly installed on one side surface of the horizontal moving plate 16, and a piston rod 15 is detachably installed in the middle of the other side surface of the horizontal moving plate 16, and the other end of the piston rod 15 is cooperatively installed on the telescopic cylinder 14, and the telescopic cylinder 14 is fixedly installed on the relative inner side of the vertical moving frame 2. When the telescopic cylinder 14 is started, the horizontal moving plate 16 is pushed to move under the action of the piston rod 15, so as to achieve the clamping and fixation of the ductile iron parts, thereby ensuring the processing effect of the ductile iron parts.

[0026] Specifically, a slide groove 17 is dug on the inner side of the horizontal plate of the vertical moving frame 2, and a protrusion 24 is slidably installed in the slide groove 17. The protrusion 24 is welded to one end of the horizontal moving plate 16. A first connecting slider 22 is fixedly welded to the middle part of the outer side of the horizontal plate of the vertical moving frame 2. Two groups of second connecting sliders 23 are symmetrically arranged on both sides of the first connecting slider 22. A threaded hole that cooperates with the threaded screw 6 is dug in the middle part of the first connecting slider 22, and a through hole that slides with the rotating bearing 7 is dug in the middle part of the second connecting slider 23. The setting of the first connecting slider 22 and the second connecting slider 23 realizes the height adjustment of the vertical moving frame 2, and at the same time plays a role in maintaining the balance of the vertical moving frame 2.

[0027] Among them, the auxiliary stabilizing structure includes two groups of baffles 11, the bottom end of the baffle 11 is movably installed with the angle adjustment member 10, the angle adjustment member 10 and the bottom end of the T-shaped slide bar 12 are hinged to each other, the cross bar of the T-shaped slide bar 12 moves in the sliding cavity 13, and the vertical bar of the T-shaped slide bar 12 slides on the slide rail 9. The slide rail 9 and the sliding cavity 13 are dug through on the placement table 3. Through the auxiliary role of the baffle 11, the situation of manually fixing the ductile iron by hand is avoided, which can improve the processing efficiency of ductile iron castings and the safety of the clamping device.

[0028] In one embodiment, specifically, the outer circumference of the connecting shaft 18 and the electric telescopic rod 20 are respectively provided with a first compression spring 19 and a second compression spring 21. The first compression spring 19 and the second compression spring 21 are fixedly installed between the clamping member 4 and the horizontal movable plate 16. The clamping member 4 is made of a plastic material, and an anti-slip gasket is provided on the inner arc surface of the clamping member 4. Under the cooperation of the electric telescopic rod 20 and the second compression spring 21, the adjustment range of the cast iron parts is improved, thereby achieving the purpose of facilitating the adjustment of the clamping device.

[0029] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A clamping device for curved ductile iron castings, comprising a support frame (1), a vertically movable frame (2) slidably connected to the support frame (1), and a placement table (3) fixedly mounted on the support frame (1), characterized in that: A driving mechanism for causing the vertical movable frame (2) to adjust its height is installed between the top plate and the bottom plate of the support frame (1); a clamping assembly is provided on the vertical movable frame (2); and an auxiliary stabilizing structure is provided on the placement table (3); The driving mechanism is mainly driven by a servo motor (5), the servo motor (5) is fixedly mounted on the top of the support frame (1), the output shaft of the servo motor (5) passes through the top plate of the support frame (1) and is connected to the threaded screw (6), the other end of the threaded screw (6) is movably mounted in a rotating bearing (7), the rotating bearing (7) is fixedly welded to the upper surface of the bottom plate of the support frame (1), and the two ends of the threaded screw (6) are respectively fixedly mounted with support slides (8), and the two ends of the two groups of support slides (8) are respectively welded to the top plate and the bottom plate of the support frame (1).

2. The clamping device for curved ductile iron castings according to claim 1, characterized in that: The clamping assembly is provided with two symmetrical groups, each group of clamping assemblies is directly acted upon by a clamping member (4), a connecting shaft (18) is fixedly connected to the middle of the outer arc surface of the clamping member (4), two groups of electric telescopic rods (20) are symmetrically installed on both sides of the connecting shaft (18), the active ends of the electric telescopic rods (20) are connected to the outer arc surface of the clamping member (4), and the other ends of the connecting shaft (18) and the electric telescopic rods (20) are fixedly installed on one side of the horizontal moving plate (16).

3. The clamping device for curved ductile iron castings according to claim 2, characterized in that: A piston rod (15) is detachably mounted on the middle portion of the other side surface of the horizontal moving plate (16). The other end of the piston rod (15) is cooperatively mounted on a telescopic cylinder (14). The telescopic cylinder (14) is fixedly mounted on the opposite inner side of the vertical moving frame (2).

4. The clamping device for curved ductile iron castings according to claim 3, characterized in that: A sliding groove (17) is dug on the inner side of the horizontal plate of the vertical moving frame (2), a protrusion (24) is slidably installed in the sliding groove (17), and the protrusion (24) is welded to one end of the horizontal moving plate (16).

5. The clamping device for curved ductile iron castings according to claim 4, characterized in that: A first connecting slider (22) is fixedly welded to the middle of the outer side of the horizontal plate of the vertical moving frame (2), and two groups of second connecting sliders (23) are symmetrically arranged on both sides of the first connecting slider (22). A threaded hole that cooperates with the threaded screw (6) is dug in the middle of the first connecting slider (22), and a through hole that slides with the rotating bearing (7) is dug in the middle of the second connecting slider (23).

6. The clamping device for curved ductile iron castings according to claim 1, characterized in that: The auxiliary stabilizing structure includes two groups of baffles (11), the bottom ends of the baffles (11) are movably installed with the angle adjustment member (10), the angle adjustment member (10) and the bottom end of the T-shaped slide bar (12) are hinged to each other, the horizontal bar of the T-shaped slide bar (12) moves in the sliding cavity (13), and the vertical bar of the T-shaped slide bar (12) slides on the slide rail (9), and the slide rail (9) and the sliding cavity (13) are dug through on the placement table (3).

7. The clamping device for curved ductile iron castings according to claim 2, characterized in that: A first compression spring (19) and a second compression spring (21) are respectively sleeved on the outer periphery of the connecting shaft (18) and the electric telescopic rod (20); the first compression spring (19) and the second compression spring (21) are fixedly installed between the clamping member (4) and the horizontal moving plate (16).

8. The clamping device for curved ductile iron castings according to claim 7, characterized in that: The clamping member (4) is made of a plastic material, and an anti-slip pad is provided on the inner arc surface of the clamping member (4).

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