Flexible clamping device for aviation thin-wall part

Abstract

The utility model relates to the technical field of clamps, in particular to a flexible clamping device for aviation thin-walled workpieces, which comprises a base and a positioning plate, a lifting mechanism for driving the positioning plate to lift is arranged on the base, a placing groove is arranged at the top of the positioning plate, and flexible clamps are arranged on two sides of the positioning plate. The bottom of the thin-wall part is placed in the containing groove, the height position of the thin-wall part is adjusted through the lifting mechanism, and then the thin-wall part is clamped through the flexible clamps on the two sides, so that positioning of the thin-wall part is achieved, repositioning is not needed in each time of machining, and machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, and more specifically to a flexible clamping device for aviation thin-walled parts. Background Art

[0002] Thin-walled parts are increasingly used in the modern aerospace field. However, due to the complex structure and poor rigidity of aviation thin-walled parts, flexible fixtures are required to clamp aviation thin-walled parts when processing them.

[0003] The existing Chinese utility model patent with announcement number CN213771620U discloses a novel flexible clamp, including a shell, a bottom fixing plate is fixedly arranged at the bottom of the shell, a plurality of support rods are fixedly connected to the top of the bottom fixing plate, a fixed bottom plate fixedly connected to the top of the plurality of support rods is clamped in the middle of the inner wall of the shell, a plurality of evenly distributed ejectors are interspersed and connected to the fixed bottom plate, the plurality of ejectors are composed of an integrated needle head and a telescopic rod, the plurality of telescopic rods are all sleeved with a spring connected to the fixed bottom plate, a dustproof plate interspersed and connected to the plurality of needle heads is fixedly arranged on the top of the shell. The utility model discloses a novel flexible clamp, which has strong versatility and can clamp different special-shaped products. When switching different products, there is no need to switch tooling, which can greatly save the time loss caused by frequent tooling switching, and has good elastic performance, will not cause deformation to thin-walled parts and thus affect the quality of parts.

[0004] However, the flexible fixture cannot position the workpiece when clamping it. Each time the workpiece is processed, it needs to be repositioned, the operation remains unchanged, and the processing efficiency is low. Utility Model Content

[0005] The utility model aims to provide a flexible clamping device for aviation thin-walled parts, which can realize the positioning of thin-walled workpieces, and does not need to be re-positioned each time the workpiece is processed, thereby improving the processing efficiency.

[0006] In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0007] A flexible clamping device for aviation thin-walled parts comprises a base and a positioning plate. The base is provided with a lifting mechanism for driving the positioning plate to lift and lower. A placement groove is provided on the top of the positioning plate. Flexible clamps are provided on both sides of the positioning plate.

[0008] Furthermore, the lifting mechanism includes a vertical plate fixedly connected to the base, a lifting groove is opened on one side of the vertical plate, a screw is rotatably arranged in the lifting groove, a screw motor is installed on the vertical plate to drive the screw to rotate, a lifting seat is threadedly connected to the screw, and the positioning plate is installed on the lifting seat.

[0009] Furthermore, a mounting plate is provided at the bottom of the positioning plate, and the mounting plate is connected to the lifting seat by screws.

[0010] Furthermore, a slide groove is provided on the top of the base, a bidirectional screw and a driving motor for driving the bidirectional screw to rotate are arranged in the slide groove, both ends of the bidirectional screw are threadedly connected with sliders, the top of the slider is fixedly connected with a bottom plate, and the flexible clamp is installed on the bottom plate.

[0011] Furthermore, the flexible clamp includes a shell fixedly connected to the base plate, and a plurality of receiving grooves are arranged and distributed on opposite sides of the two shells. A push rod is slidably connected in the receiving groove, and a spring is connected between the push rod and the receiving groove.

[0012] Furthermore, a sealing ring is provided at the notch of the accommodating groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The bottom of the thin-walled part is placed in the placement groove, the height position of the thin-walled part is adjusted by the lifting mechanism, and then it is clamped by the flexible clamps on both sides, so as to realize the positioning of the thin-walled part; the utility model realizes the positioning of the thin-walled workpiece, and no re-positioning is required for each processing, thereby improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0016] Figure 2 The structure of the utility model is shown in FIG. Figure 2 .

[0017] 1. Base; 101. Slide; 2. Positioning plate; 201. Placement slot; 3. Vertical plate; 301. Lifting slot; 4. Screw; 5. Screw motor; 6. Lifting seat; 7. Mounting plate; 8. Bidirectional screw; 9. Drive motor; 10. Bottom plate; 11. Shell; 12. Push rod; 13. Sealing ring. DETAILED DESCRIPTION

[0018] like Figure 1 and Figure 2 As shown, a flexible clamping device for aviation thin-walled parts includes a base 1 and a positioning plate 2. The base 1 is provided with a lifting mechanism for driving the positioning plate 2 to rise and fall. A placement groove 201 is opened on the top of the positioning plate 2, and flexible clamps are provided on both sides of the positioning plate 2.

[0019] The lifting mechanism includes a vertical plate 3 fixedly connected to the base 1, a lifting slot 301 is opened on one side of the vertical plate 3, a lead screw 4 is rotatably arranged in the lifting slot 301, a lead screw motor 5 for driving the lead screw 4 to rotate is installed on the vertical plate 3, a lifting seat 6 is threadedly connected to the lead screw 4, and the positioning plate 2 is installed on the lifting seat 6.

[0020] A mounting plate 7 is provided at the bottom of the positioning plate 2, and the mounting plate 7 is connected to the lifting seat 6 by screws; the screw connection makes it easy to replace the positioning plate 2 to adapt to the processing of different thin-walled parts.

[0021] A slide groove 101 is provided at the top of the base 1, and a bidirectional screw 8 and a driving motor 9 for driving the bidirectional screw 8 to rotate are arranged in the slide groove 101. Both ends of the bidirectional screw 8 are threadedly connected with sliders, and the top of the slider is fixedly connected with a base plate 10, and the flexible clamp is installed on the base plate 10.

[0022] The flexible clamp includes a shell 11 fixedly connected to the base plate 10, and a plurality of receiving grooves are arranged and distributed on opposite sides of the two shells 11. A push rod 12 is slidably connected in the receiving groove, and a spring is connected between the push rod 12 and the receiving groove.

[0023] A sealing ring 13 is disposed at the notch of the receiving groove; the sealing ring 13 is disposed to prevent debris generated during processing from entering the housing 11 .

[0024] Working principle:

[0025] During processing, the bottom of the thin-walled workpiece is placed in the placement groove 201, and the screw motor 5 drives the screw 4 to rotate, driving the lifting seat 6 to rise and fall, thereby adjusting the height position of the thin-walled workpiece, and then the driving motor 9 drives the bidirectional screw 8 to rotate, driving the two sliders to approach each other, so that the top rods on both sides clamp and fix the thin-walled workpiece, thereby realizing the positioning of the thin-walled workpiece; the utility model realizes the positioning of thin-walled workpieces, and there is no need to re-position each time processing, thereby improving the processing efficiency.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A flexible clamping device for aviation thin-walled parts, characterized in that: The invention comprises a base (1) and a positioning plate (2); the base (1) is provided with a lifting mechanism for driving the positioning plate (2) to rise and fall; a placement groove (201) is provided on the top of the positioning plate (2); and flexible clamps are provided on both sides of the positioning plate (2).

2. The flexible clamping device for aviation thin-walled parts according to claim 1, characterized in that: The lifting mechanism comprises a vertical plate (3) fixedly connected to the base (1); a lifting slot (301) is provided on one side of the vertical plate (3); a lead screw (4) is rotatably arranged in the lifting slot (301); a lead screw motor (5) for driving the lead screw (4) to rotate is installed on the vertical plate (3); a lifting seat (6) is threadedly connected to the lead screw (4); and the positioning plate (2) is installed on the lifting seat (6).

3. The flexible clamping device for aviation thin-walled parts according to claim 2, characterized in that: A mounting plate (7) is provided at the bottom of the positioning plate (2), and the mounting plate (7) is connected to the lifting seat (6) via screws.

4. The flexible clamping device for aviation thin-walled parts according to claim 1, characterized in that: A slide groove (101) is provided at the top of the base (1), a bidirectional screw (8) and a driving motor (9) for driving the bidirectional screw (8) to rotate are arranged in the slide groove (101), both ends of the bidirectional screw (8) are threadedly connected with sliders, the top of the slider is fixedly connected with a bottom plate (10), and the flexible clamp is installed on the bottom plate (10).

5. The flexible clamping device for aviation thin-walled parts according to claim 4, characterized in that: The flexible clamp comprises a shell (11) fixedly connected to the base plate (10), a plurality of receiving grooves are arranged and distributed on opposite sides of the two shells (11), a push rod (12) is slidably connected in the receiving groove, and a spring is connected between the push rod (12) and the receiving groove.

6. The flexible clamping device for aviation thin-walled parts according to claim 5, characterized in that: A sealing ring (13) is provided at the notch of the containing groove.

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