Four-axis multi-face machining clamp

Abstract

The utility model discloses a four-axis multi-face machining clamp, and belongs to the field of four-axis clamps, the four-axis multi-face machining clamp comprises a base, the upper end of the base is fixedly connected with a mounting seat, the side face of the mounting seat is fixedly connected with a supporting plate, the upper end of the supporting plate is fixedly connected with a four-axis bridge plate, and the bottom of the four-axis bridge plate is provided with an adjusting device; an interchange plate is arranged at the upper end of the four-axis bridge plate; the adjusting device comprises a C-shaped plate, the C-shaped plate is fixedly connected to the bottom of the four-axis bridge plate, and a motor is fixedly connected to the bottom of the C-shaped plate. By arranging the adjusting device, the distance between the movable plates is changed under the cooperation of the motor, the gear and the toothed plate, meanwhile, the fixing device at the upper end of the movable plates is driven to adjust the distance, meanwhile, the stability of the toothed plate and the movable plates during moving is guaranteed under the cooperation of a sliding groove and a sliding rail, and then the interchange plates of different sizes can be fixed; and various processing requirements can be flexibly met.

Description

Technical Field

[0001] The present application relates to the field of four-axis fixtures, and in particular, to a four-axis multi-surface machining fixture. Background Art

[0002] A four-axis fixture generally refers to a device used to fix and rotate a workpiece during machining, and is particularly suitable for situations where multi-sided machining is required. Its main feature is that it can rotate the workpiece so that the machine tool can process multiple sides of the workpiece without moving the workpiece.

[0003] The patent document with the announcement number CN 212665453 U discloses a four-axis bridge plate fixture for multi-faceted processing, which includes a four-axis bridge plate and a cylinder installed at both ends of the bottom of the four-axis bridge plate, an interchangeable plate is arranged on the upper part of the four-axis bridge plate, a cylinder pressure head for fixing the interchangeable plate is arranged on the axis of the cylinder, the cylinder rotates the cylinder pressure head to apply extrusion force to both ends of the interchangeable plate, and both ends of the four-axis bridge plate are provided with a support and a rotating shaft. The beneficial effect of the utility model is that the workpiece to be processed is fixed on the interchangeable plate, the interchangeable plate is fixed on the four-axis bridge plate by a positioning member, and then the cylinder pressure head is rotated by the cylinder to apply extrusion force to both ends of the interchangeable plate, thereby completely fixing the interchangeable plate to process the workpiece to be processed.

[0004] In the above application documents, the rotating shafts at both ends of the machine tool drive the fixture to rotate as a whole, which can achieve multi-faceted processing. The structure of the device is relatively simple and practical. Multiple faces can be processed in one clamping, which saves clamping time and improves processing efficiency. However, in actual applications, it is necessary to ensure that it can flexibly adapt to various processing requirements without frequent adjustment and replacement. In addition, for workpieces of different sizes and shapes. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a four-axis multi-faceted machining fixture, which solves the problems raised in the above background technology. To achieve the above purpose, the utility model is implemented through the following technical scheme: a four-axis multi-faceted machining fixture, including a base, the upper end of the base is fixedly connected to a mounting seat, the side of the mounting seat is fixedly connected to a support plate, the upper end of the support plate is fixedly connected to a four-axis bridge plate, the bottom of the four-axis bridge plate is provided with an adjustment device, and the upper end of the four-axis bridge plate is provided with an interchangeable plate; the adjustment device includes a 匚-shaped plate, the 匚-shaped plate is fixedly connected to the bottom of the four-axis bridge plate, the bottom of the 匚-shaped plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a gear, the two sides of the gear are meshed with tooth plates, and the ends of the two tooth plates away from the gear are fixedly connected to a movable plate.

[0006] Preferably, a sliding groove is opened on the inner side of the 匚-shaped plate, and the tooth plate is slidably connected inside the sliding groove, thereby ensuring the stability of the tooth plate when moving.

[0007] Preferably, the bottom of the four-axis bridge plate is fixedly connected to a slide rail and the shape of the slide rail is T-shaped, and the movable plate is slidably connected to the outer wall of the slide rail, thereby ensuring the stability of the movable plate when moving.

[0008] Preferably, the two tooth plates are symmetrically distributed around the center of the gear.

[0009] Preferably, a fixing device is provided at the upper end of the movable plate, and the fixing device includes an electric telescopic rod, which is fixedly connected to the upper end of the movable plate, and the output end of the electric telescopic rod is rotatably connected to a rotating block via a pin shaft, and the upper end of the movable plate is fixedly connected to a fixing block, and the side of the fixing block is rotatably connected to a connecting rod via a pin shaft, and the bottom of one end of the rotating block away from the electric telescopic rod is fixedly connected to a positioning block.

[0010] Preferably, a guide shaft is fixedly connected to the upper end of the four-axis bridge plate, a guide hole is opened on the outer wall of the interchangeable plate, a movable groove is opened on the upper end of the four-axis bridge plate, and the fixing device is movably connected inside the movable groove.

[0011] The benefits of this application are:

[0012] (1) The present application provides an adjustment device, which realizes the change of the spacing of the movable plate with the cooperation of the motor, gear and tooth plate, and drives the fixing device at the upper end to adjust the spacing. At the same time, with the cooperation of the slide groove and the slide rail, the stability of the tooth plate and the movable plate during movement is guaranteed, so that interchangeable plates of different sizes can be fixed, which can flexibly adapt to various processing requirements.

[0013] (2) The present application provides a fixing device, which can realize the rapid positioning of the interchangeable plate under the action of the guide hole and the guide shaft, and then realizes the rapid fixing of the interchangeable plate under the cooperation of the electric telescopic rod, the rotating block, the fixing block, the connecting rod and the positioning block, thereby reducing the installation time and improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The schematic embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application. In the drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2is a schematic bottom sectional view structure of the present utility model;

[0017] Figure 3 is a schematic front sectional view structure of the present utility model;

[0018] Figure 4 is the Figure 3 enlarged schematic structure at position A in the present utility model.

[0019] In the above figures,

[0020] 1. Base; 2. Mounting; 3. Support plate; 4. Four-axis bridge plate; 51. C-shaped plate; 52. Motor; 53. Gear; 54. Rack; 55. Moving plate; 57. Slide groove; 58. Slide rail; 61. Electric telescopic rod; 63. Rotating block; 64. Fixed block; 65. Connecting rod; 66. Positioning block; 67. Guide shaft; 68. Guide hole; 7. Movable groove; 8. Interchangeable plate. Detailed implementation manners

[0021] In order to enable those skilled in the art of the present technology to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0022] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments. Embodiment

[0023] Refer to Figure 1-Figure 4 , this embodiment provides a four-axis multi-sided machining fixture, including a base 1, an upper end of the base 1 is fixedly connected with a mounting seat 2, a side surface of the mounting seat 2 is fixedly connected with a support plate 3, an upper end of the support plate 3 is fixedly connected with a four-axis bridge plate 4, a bottom of the four-axis bridge plate 4 is provided with an adjusting device, and an upper end of the four-axis bridge plate 4 is provided with an interchangeable plate 8; the adjusting device includes a C-shaped plate 51, the C-shaped plate 51 is fixedly connected to the bottom of the four-axis bridge plate 4, a bottom of the C-shaped plate 51 is fixedly connected with a motor 52, an output end of the motor 52 is fixedly connected with a gear 53, and two sides of the gear 53 are engaged with a rack 54, and one ends of the two racks 54 away from the gear 53 are fixedly connected with a moving plate 55.

[0024] A slide groove 57 is opened inside the C-shaped plate 51, and the rack 54 is slidably connected inside the slide groove 57, thereby ensuring the stability of the rack 54 during movement.

[0025] The bottom of the four-axis bridge plate 4 is fixedly connected with a slide rail 58, and the shape of the slide rail 58 is T-shaped. The moving plate 55 is slidably connected to the outer wall of the slide rail 58, thereby ensuring the stability of the moving plate 55 during movement.

[0026] The two toothed plates 54 are symmetrically distributed with the center of the gear 53 as the center.

[0027] When the above device is in specific use, when it is necessary to adjust the distance between the two moving plates 55, first start the motor 52 to drive the gear 53 to rotate. Then, the toothed plates 54 meshing with it on both sides will move to both sides or the middle. At the same time, the toothed plates 54 will slide inside the chute 57 to maintain stability. Then, the toothed plates 54 will drive the two moving plates 55 to move to both sides or the middle. Similarly, the moving plates 55 will slide on the outer wall of the slide rail 58, thereby ensuring the stability and supporting force of the moving plates 55. Embodiment

[0028] See Figure 1-Figure 4 , on the basis of Embodiment 1, a fixing device is provided at the upper end of the moving plate 55. The fixing device includes an electric telescopic rod 61. The electric telescopic rod 61 is fixedly connected to the upper end of the moving plate 55. The output end of the electric telescopic rod 61 is rotationally connected to a rotating block 63 through a pin shaft. A fixing block 64 is fixedly connected to the upper end of the moving plate 55. A connecting rod 65 is rotationally connected to the side of the fixing block 64 through a pin shaft. The bottom of the end of the rotating block 63 away from the electric telescopic rod 61 is fixedly connected with a positioning block 66.

[0029] The upper end of the four-axis bridge plate 4 is fixedly connected with a guide shaft 67. A guide hole 68 is provided on the outer wall of the interchange plate 8. An activity groove 7 is provided at the upper end of the four-axis bridge plate 4. The fixing device is movably connected inside the activity groove 7.

[0030] When the above device is in specific use, after moving the fixing device to a suitable position, first place the interchange plate 8 on the upper end of the four-axis bridge plate 4 through the guide hole 68. Then start the electric telescopic rod 61 to drive the end connected to the rotating block 63 of its output end to move upward. Then the connecting rod 65 will also rotate inward. When the connecting rod 65 is perpendicular to the fixing block 64, the rotating block 63 will also rotate to a state parallel to the interchange plate 8. Then the positioning block 66 at the bottom of the rotating block 63 will limit the upper end of the interchange plate 8, thereby realizing the fixation of the interchange plate 8.

[0031] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A four-axis multi-surface machining fixture, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected with a mounting seat (2). The side of the mounting seat (2) is fixedly connected with a support plate (3). The upper end of the support plate (3) is fixedly connected with a four-axis bridge plate (4). An adjusting device is arranged at the bottom of the four-axis bridge plate (4). An interchangeable plate (8) is arranged at the upper end of the four-axis bridge plate (4). The adjusting device includes a U-shaped plate (51). The U-shaped plate (51) is fixedly connected to the bottom of the four-axis bridge plate (4). A motor (52) is fixedly connected to the bottom of the U-shaped plate (51). The output end of the motor (52) is fixedly connected with a gear (53). Tooth plates (54) are engaged on both sides of the gear (53). The ends of the two tooth plates (54) far away from the gear (53) are fixedly connected with a moving plate (55).

2. The four-axis multi-surface machining fixture according to claim 1, characterized in that: A sliding groove (57) is formed inside the U-shaped plate (51), and the tooth plate (54) is slidably connected inside the sliding groove (57).

3. The four-axis multi-surface machining fixture according to claim 2, characterized in that: A slide rail (58) is fixedly connected to the bottom of the four-axis bridge plate (4), and the shape of the slide rail (58) is T-shaped. The moving plate (55) is slidably connected to the outer wall of the slide rail (58).

4. The four-axis multi-surface machining fixture according to claim 3, characterized in that: The two tooth plates (54) are symmetrically distributed with the center of the gear (53) as the center.

5. The four-axis multi-surface machining fixture according to claim 4, characterized in that: A fixing device is arranged at the upper end of the moving plate (55). The fixing device includes an electric telescopic rod (61). The electric telescopic rod (61) is fixedly connected to the upper end of the moving plate (55). The output end of the electric telescopic rod (61) is rotatably connected with a rotating block (63) through a pin shaft. A fixing block (64) is fixedly connected to the upper end of the moving plate (55). A connecting rod (65) is rotatably connected to the side of the fixing block (64) through a pin shaft. The bottom of the end of the rotating block (63) far away from the electric telescopic rod (61) is fixedly connected with a positioning block (66).

6. The four-axis multi-surface machining fixture according to claim 5, characterized in that: A guiding shaft (67) is fixedly connected to the upper end of the four-axis bridge plate (4). A guiding hole (68) is formed in the outer wall of the interchangeable plate (8). An activity groove (7) is formed in the upper end of the four-axis bridge plate (4). The fixing device is movably connected inside the activity groove (7).

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