Adjustable clamp for chamfering

Abstract

The utility model discloses an adjustable clamp for chamfering. The adjustable clamp comprises a clamping module, a rotating module, an adjusting module and a supporting frame. Wherein the rotating module comprises a square plate, the lower side of the square plate is fixedly connected with an L-shaped plate, the lower side of the L-shaped plate is fixedly connected with a motor, an output shaft of the motor penetrates through the L-shaped plate, the end of the output shaft of the motor is fixedly connected with the center of a gear, a center shaft of the gear is movably connected with the square plate, the gear is meshed with a gear ring, and the gear ring is fixedly connected with the output shaft of the motor. And the gear ring is fixedly connected with the disc. According to an operation position, the disc is located below a drilling operation part through the adjusting module, a flange is placed on the disc, the flange is fixed and positioned through the clamping module, according to a flange chamfering position, the disc drives the clamping module and the flange to rotate through the rotating module, and a drilling machine can conveniently conduct chamfering operation on the flange.

Description

Technical Field

[0001] The utility model relates to the technical field of flange processing, in particular to an adjustable fixture for chamfering. Background Technique

[0002] A flange is a part for connecting shafts to each other, used for connecting pipe ends; there are also flanges used at the inlets and outlets of equipment for connecting two pieces of equipment, such as a reducer flange. First, fix two pipes, pipe fittings or equipment on a flange plate respectively, add a flange gasket between the two flange plates, and fasten them together with bolts to complete the flange connection. Some pipe fittings and equipment already come with flange plates, which also belong to flange connections. Flange connection is an important connection method in pipeline construction;

[0003] After the flange is cast and formed, it is necessary to chamfer the connection holes of the flange to facilitate installation in subsequent use. It is necessary to chamfer the drilled holes. In the process of chamfering the flange, existing equipment generally does not have the function of fixing the flange, resulting in the flange shaking during the chamfering process, and the position of the flange chamfer cannot be adjusted, making the operation time-consuming and laborious;

[0004] Therefore, it is necessary to provide an adjustable fixture for chamfering to solve the above technical problems. Content of the Utility Model

[0005] The purpose of the utility model is to solve the defects existing in the prior art, and to propose an adjustable fixture for chamfering.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An adjustable fixture for chamfering, comprising a clamping module, a rotating module, an adjusting module, and a support frame;

[0008] Among them, the rotating module includes a square plate, the lower side of the square plate is fixedly connected with an L-shaped plate, the lower side of the L-shaped plate is fixedly connected with a motor, the output shaft of the motor passes through the L-shaped plate, the end of the output shaft of the motor is fixedly connected to the center of a gear, the central axis of the gear is movably connected to the square plate, the gear meshes with a toothed ring, the toothed ring is fixedly connected to a disc, and the disc is movably connected to an opening, and the opening is arranged in the middle of the square plate;

[0009] The clamping module includes an electric push rod. The housing of the electric push rod is fixedly connected to the disc. The telescopic rod of the electric push rod is fixedly connected to the slider. The outer sides of the sliders are respectively hinged to the corresponding connecting rods through pin shafts. A group of the connecting rods are respectively hinged to the corresponding cross-shaped sliders through pin shafts. A group of the cross-shaped sliders are respectively arranged in the corresponding chutes. The cross-sections of a group of the chutes are all cross-shaped. A group of the chutes are respectively arranged on the disc. A group of the cross-shaped sliders are respectively fixedly connected to the corresponding clamping plates.

[0010] Preferably, the adjusting module includes a lead screw. The lead screw is threadedly connected to the L-shaped plate. One end of the lead screw passes through and is movably connected to one side of the support frame. The end of one end of the lead screw is fixedly connected to the center of the turntable.

[0011] Preferably, a group of ball sliders are respectively fixedly connected to the lower side of the square plate.

[0012] Preferably, corresponding linear guide rails are respectively arranged in a corresponding pair of the ball sliders.

[0013] Preferably, the two linear guide rails are respectively fixedly connected to the upper side of the support frame.

[0014] Compared with the related art, the beneficial effects of the present utility model are as follows:

[0015] 1. According to the operation position, through the adjusting module, the disc is positioned below the operation part of the drilling. The flange is placed on the disc. Through the clamping module, the fixing and positioning of the flange are realized. According to the position of the chamfer of the flange, through the rotating module, the disc drives the clamping module and the flange to rotate, facilitating the chamfering operation of the flange by the drilling machine.

[0016] 2. The device can fix and position the flange and can adjust the angle of the flange according to the chamfering requirement of the flange, which is more practical. Description of the Drawings

[0017] Figure 1 It is a three-dimensional schematic diagram of the present utility model.

[0018] Figure 2 It is a three-dimensional schematic diagram of the present utility model.

[0019] Figure 3 It is a three-dimensional schematic diagram of the present utility model.

[0020] Figure 4 It is a schematic diagram of the connection structure of some parts of the present utility model.

[0021] Figure 5 It is a schematic diagram of the connection structure of some parts of the present utility model.

[0022] Figure 6Schematic diagram of the connection structure of some parts of the present utility model.

[0023] Figure 7 Schematic diagram of the connection structure of some parts of the present utility model after sectioning.

[0024] Figure 8 Schematic diagram of the connection structure of some parts of the present utility model.

[0025] In the figure:

[0026] 1: Clamping module, 11. Chute, 12. Clamping plate, 13. Cross-shaped slider, 14. Connecting rod, 15. Slider, 16. Electric push rod;

[0027] 2: Rotating module, 21. Square plate, 22. Disc, 23. Gear ring, 24. Gear, 25. Motor, 26. Opening, 27. L-shaped plate;

[0028] 3: Adjusting module, 31. Ball slider, 32. Linear guide rail, 33. Lead screw, 34. Turntable;

[0029] 4. Support frame. Specific implementation mode

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0031] An adjustable fixture for chamfering includes a clamping module 1, a rotating module 2, an adjusting module 3, and a support frame 4;

[0032] Among them, the rotating module 2 includes a square plate 21. The lower side of the square plate 21 is fixedly connected to an L-shaped plate 27. The lower side of the L-shaped plate 27 is fixedly connected to a motor 25. The output shaft of the motor 25 passes through the L-shaped plate 27. The end of the output shaft of the motor 25 is fixedly connected to the center of a gear 24. The central axis of the gear 24 is movably connected to the square plate 21. The gear 24 meshes with a gear ring 23. The gear ring 23 is fixedly connected to a disc 22. The disc 22 is movably connected to an opening 26. The opening 26 is arranged in the middle of the square plate 21;

[0033] The clamping module 1 includes an electric push rod 16. The housing of the electric push rod 16 is fixedly connected to the disc 22. The telescopic rod of the electric push rod 16 is fixedly connected to the slider 15. The outer sides of the slider 15 are respectively hinged to the corresponding connecting rods 14 through pin shafts. A group of the connecting rods 14 are respectively hinged to the corresponding cross-shaped sliders 13 through pin shafts. A group of the cross-shaped sliders 13 are respectively arranged in the corresponding chutes 11. The cross sections of a group of the chutes 11 are all cross-shaped. A group of the chutes 11 are respectively arranged on the disc 22. A group of the cross-shaped sliders 13 are respectively fixedly connected to the corresponding clamping plates 12.

[0034] The adjusting module 3 includes a lead screw 33. The lead screw 33 is threadedly connected to the L-shaped plate 27. One end of the lead screw 33 passes through and is movably connected to one side of the support frame 4. The end of one end of the lead screw 33 is fixedly connected to the center of the turntable 34.

[0035] The lower sides of the square plates 21 are respectively fixedly connected to a group of ball sliders 31.

[0036] Corresponding linear guide rails 32 are respectively arranged in a pair of the corresponding ball sliders 31.

[0037] The two linear guide rails 32 are respectively fixedly connected to the upper side of the support frame 4.

[0038] Working principle: This device is located at the lower part of the drilling machine equipment. According to the operation position, rotate the turntable 34. The turntable 34 drives the lead screw 33 to rotate. The lead screw 33 drives the L-shaped plate 27 to move. The L-shaped plate 27 drives the square plate 21 to move. The square plate 21 drives the ball sliders 31 to slide along the linear guide rails 32. At the same time, the square plate 21 drives the clamping module 1, the rotating module 2, etc. to move, so that the disc 22 is located below the operation position of drilling. At this time, stop rotating the turntable 34. Then place the flange on the disc 22. Start the electric push rod 16. The telescopic rod of the electric push rod 16 extends to drive the slider 15 to move. The slider 15 drives a group of connecting rods 14 to swing respectively. A group of connecting rods 14 drive the corresponding cross-shaped sliders 13 to slide along the chutes 11 respectively, so that a group of cross-shaped sliders 13 drive the corresponding clamping plates 12 to clamp and fix the flange, realizing the fixed positioning of the flange. At this time, turn off the electric push rod 16;

[0039] Then, according to the position of the chamfer of the flange, start the motor 25. The motor 25 drives the gear 24 to engage with the gear ring 23 to rotate. The gear ring 23 drives the disc 22 to rotate, so that the disc 22 drives the clamping module 1 and the flange to rotate, facilitating the chamfering operation of the drilling machine on the flange.

[0040] Beneficial effects: According to the operation position, by adjusting module 3, the disc 22 is positioned below the operation part for drilling. Place the flange on the disc 22, and through the clamping module 1, the fixation and positioning of the flange are achieved. According to the position of the chamfer of the flange, by rotating module 2, the disc 22 drives the clamping module 1 and the flange to rotate, facilitating the chamfering operation of the flange by the drilling machine.

[0041] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. An adjustable chamfering fixture, characterized in that: The adjustable chamfering fixture includes: A clamping module (1), a rotating module (2), an adjusting module (3), and a supporting frame (4); The rotating module (2) comprises a square plate (21), the lower side of the square plate (21) is fixedly connected to an L-shaped plate (27), the lower side of the L-shaped plate (27) is fixedly connected to a motor (25), the output shaft of the motor (25) passes through the L-shaped plate (27), the end of the output shaft of the motor (25) is fixedly connected to the center of a gear (24), the central axis of the gear (24) is movably connected to the square plate (21), the gear (24) meshes with a gear ring (23), the gear ring (23) is fixedly connected to a disc (22), the disc (22) is movably connected to an opening (26), and the opening (26) is arranged in the middle of the square plate (21); The clamping module (1) comprises an electric push rod (16), the shell of the electric push rod (16) is fixedly connected to the disc (22), the telescopic rod of the electric push rod (16) is fixedly connected to the slider (15), the outer sides of the slider (15) are respectively connected to the corresponding connecting rods (14) through pin hinges, a group of the connecting rods (14) are respectively connected to the corresponding cross-shaped sliders (13) through pin hinges, a group of the cross-shaped sliders (13) are respectively arranged in corresponding slide grooves (11), the cross-sections of a group of the slide grooves (11) are all cross-shaped, a group of the slide grooves (11) are respectively arranged on the disc (22), and a group of the cross-shaped sliders (13) are respectively fixedly connected to the corresponding clamping plates (12).

2. The adjustable chamfering fixture according to claim 1, characterized in that: The adjustment module (3) comprises a screw rod (33), the screw rod (33) is threadedly connected to the L-shaped plate (27), one end of the screw rod (33) passes through and is movably connected to one side of the support frame (4), and one end of the screw rod (33) is fixedly connected to the center of the turntable (34).

3. The adjustable chamfering fixture according to claim 2, characterized in that: A group of ball sliders (31) are fixedly connected to the lower sides of the square plates (21).

4. The adjustable chamfering fixture according to claim 3, characterized in that: A corresponding pair of ball sliders (31) are respectively provided with corresponding linear guide rails (32).

5. The adjustable chamfering fixture according to claim 4, characterized in that: The two linear guide rails (32) are respectively fixedly connected to the upper side of the support frame (4).

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