Clamping device for titanium alloy stringer machining

Abstract

The utility model discloses a clamping device for titanium alloy stringer processing, which relates to the technical field of stringer processing, and comprises a cylinder with a built-in cuboid cylinder cavity, one bottom surface of the cylinder is provided with an opening, a motor is arranged in the center of the outer side wall of the other bottom surface of the cylinder, and the output end of the motor is connected with a circular turntable. Four through limiting sliding openings are evenly formed in the center of the side surface of the cylinder in a circle, and limiting plates are arranged in the limiting sliding openings in a sliding and penetrating mode. The circular turntable is driven by the motor to rotate so as to drive the connecting rod and the annular turntable to rotate, the guide post is limited and pushed through the inclined guide groove, so that the plurality of limiting plates move radially at the same time, the push plate is driven to extrude and fix stringers, and the stringer fixing device is simple in structure, convenient to repair and maintain, high in synchronism, stable in fixation and high in practicability. And machining errors are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to truss processing technical field, concretely is a kind of clamping device for titanium alloy truss processing. BACKGROUND

[0002] Truss is the skeleton structure of the aircraft fuselage, while ensuring the strength of fuselage, also plays the role of load dispersion and support wing. The type and quantity of truss depend on the design and use of aircraft. Most of the cross-sectional shape of truss is square.

[0003] The aircraft truss is usually made of high-strength metal materials, mainly including aluminum alloy and titanium alloy. These materials have excellent mechanical properties and corrosion resistance, which can ensure that the long truss remains stable in harsh flight environment.

[0004] In the production and processing process of truss, cutting, polishing and other treatments are needed. In the cutting and polishing and other mechanical processing process, the truss needs to be clamped. The existing clamping method, here for square cross-section truss, is through multiple individually driven control cylinders to drive the clamping plate to extrude different surfaces of the truss, and at the same time, the truss is clamped.

[0005] However, the connection and driving of multiple cylinders, on the one hand, the connection of multiple cylinders will appear connection relationship confusion, cause maintenance and repair difficult problem, on the other hand, multiple cylinders work individually driven, synchronization is poor, the center position of fixed truss is not accurate, cause processing error. UTILITY MODEL CONTENT

[0006] In view of the above shortcomings of prior art, the utility model provides a kind of clamping device for titanium alloy truss processing, drives circular turntable to rotate by motor, to drive connecting rod and annular turntable rotation, by inclined guide slot to limit guide column and promote, make multiple limit plate move simultaneously radially, further drive push plate to extrude and fix truss, simple structure, it is convenient to repair and maintain, synchronization is strong, fixed stable, reduce processing error.

[0007] In order to achieve the above object, the utility model discloses a clamping device for titanium alloy stringer processing, including the cylinder of built -in cuboid cylinder cavity and the bottom surface of cylinder is open, and the center position of the other bottom surface lateral wall of cylinder is provided with motor, the output of motor is connected with round carousel, the center of the lateral surface of cylinder evenly is provided with four through limit sliding mouth, and the limit sliding mouth is slid and is provided with the limit board of penetration, and the limit board is provided with the push board of one end in cuboid cylinder cavity, and the lateral wall of other end is provided with the guide column, the position of the ring carousel of the limit board and round carousel between the sleeve of cylinder can rotate on the cylinder, and the ring carousel is fixedly connected with round carousel through a plurality of connecting rods and is coaxial design, the round carousel is provided with four guide grooves that are matched with the guide column, one end of guide groove is close to the outer ring edge of ring carousel, and one end is close to the inner ring edge of ring carousel, the guide column can slide in guide groove, and the lateral surface of cylinder is provided with a pair of support plate.

[0008] Preferably, four limit holes are formed in the side wall of the cylinder corresponding to the side close to the opening, a limit rod is arranged on the outer side wall of the push plate, and the limit rod penetrates the limit hole and is in sliding connection with the limit hole.

[0009] Preferably, a rubber pad is arranged on the inner side wall of the push plate.

[0010] Preferably, the inner side of the ring carousel is rotatably connected with the outer side wall of the cylinder through a bearing.

[0011] Preferably, a touch sensor is arranged at the center position of the inner side wall of the bottom surface of the cylinder.

[0012] Preferably, the motor is fixedly connected with the side wall of the bottom surface of the cylinder through a mounting seat.

[0013] The utility model provides a kind of clamping device for titanium alloy stringer processing, with the following beneficial effects:

[0014] 1. The utility model discloses a motor drives round carousel to rotate to drive connecting rod and ring carousel rotation, is limited to push by the guide groove to the guide column, makes multiple limit boards move radially simultaneously, and then drives push plate to extrude and fix stringer, simple structure, convenient maintenance and maintenance, strong synchronism, fixed stable, reduce processing error;

[0015] 2. In the utility model, push plate is further guaranteed the stability in the moving process by the cooperation of limit rod and limit hole;The side of push plate facing stringer is provided with rubber pad, increases the friction between stringer, improves the stability of stringer clamping fixation. ACCURACY OF DRAWINGS

[0016] Fig. 1This is a schematic front sectional view of the present invention;

[0017] Fig. 2 This is a schematic diagram of the left cross-section of the limiting plate position of this utility model.

[0018] In the diagram: 1. Limiting rod; 2. Limiting hole; 3. Push plate; 4. Rubber pad; 5. Limiting slide; 6. Bearing; 7. Limiting plate; 8. Annular turntable; 9. Guide groove; 10. Guide column; 11. Support plate; 12. Connecting rod; 13. Cuboid cavity; 14. Mounting base; 15. Motor; 16. Cylindrical tube; 17. Circular turntable; 18. Contact sensor. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figs. 1-2 As shown, a clamping device for machining titanium alloy stringers includes a cylindrical tube 16 with a built-in cuboid cavity 13 and an opening on one bottom surface. A motor 15 is located at the center of the outer side wall of the other bottom surface of the cylindrical tube 16. The output end of the motor 15 is connected to a circular turntable 17. Four through-holes 5 are evenly distributed around the center of the side surface of the cylindrical tube 16. Limiting plates 7 are slidably installed within the limiting holes 5 and pass through them. A push plate 3 is provided at one end of the limiting plate 7 corresponding to the cuboid cavity 13, and a guide post 10 is provided on the side wall of the other end. An annular turntable 8 is fitted on the cylindrical tube 16 at the position between the limiting plate 7 and the circular turntable 17. The annular turntable 8 can rotate on the cylindrical tube 16. The annular turntable 8 and the circular turntable 17 are fixedly connected by multiple connecting rods 12 and are coaxially designed. The disc 17 has four guide grooves 9 that match the guide posts 10. One end of each guide groove 9 is close to the outer edge of the annular turntable 8, and the other end is close to the inner edge of the annular turntable 8. The guide posts 10 can slide within the guide grooves 9. A pair of support plates 11 are provided on the side surface of the cylindrical tube 16. Four limiting holes 2 are provided on the side wall of the cylindrical tube 16 corresponding to the side near the opening. A limiting rod 1 is provided on the outer side wall of the push plate 3. The limiting rod 1 passes through the limiting hole 2 and is slidably connected to the limiting hole 2. A rubber pad 4 is provided on the inner side wall of the push plate 3. The inner side of the annular turntable 8 is rotatably connected to the outer side wall of the cylindrical tube 16 through a bearing 6. A contact sensor 18 is provided at the center of the inner side wall of the bottom surface of the cylindrical tube 16. The motor 15 is fixedly connected to the bottom side wall of the cylindrical tube 16 through a mounting base 14.

[0021] The detailed connecting means is the known technology in the art, and the working principle and process are mainly introduced as follows:

[0022] According to the description attached Figs. 1-2 It can be known that the utility model discloses a clamping device for titanium alloy stringer processing equipment, other cutting or polishing mechanisms are not drawn, and the existing technology can be used in cooperation with the utility model. Before use, the clamping structure is designed in the processing equipment through a pair of support plates 11. The utility model is best for clamping the stringer with a square cross section, of course, the stringer with a circular cross section can also be used. If the stringer with a rectangular cross section needs to be processed, the thickness of the push plate 3 or the length of the limiting plate 7 needs to be adjusted, and according to the common knowledge, the person skilled in the art can well understand it.

[0023] When in use, personnel insert one end of the stringer into the cuboid cavity of the cylindrical barrel 16, start the motor 15, and the output end of the motor 15 drives the circular turntable 17, the connecting rod 12 and the annular turntable 8 to rotate. Since the four limiting plates 7 are radially slidably inserted into the limiting sliding openings 5 of the cylindrical barrel 16, the guide groove 9 on the annular turntable 8 is designed to be inclined, and the guide column 10 at one end of the outer side of the limiting plate 7 slides in the guide groove 9 of the annular turntable 8, therefore, the rotation of the annular turntable 8 can push the guide column 10 to move radially, so as to make the limiting plate 7 push the push plate 3 to move radially to clamp and fix the four surfaces of the stringer in the cuboid barrel cavity 13. Here, the inclined guide groove 9 is close to the outer edge of the annular turntable 8 at one end and close to the inner edge of the annular turntable 8 at the other end, and the guide column 10 can move radially while sliding in the guide groove 9. The utility model drives the circular turntable 17 to rotate through the motor 15, so as to drive the connecting rod 12 and the annular turntable 8 to rotate, limits and pushes the guide column 10 through the inclined guide groove 9, makes the plurality of limiting plates 7 move radially at the same time, and then drives the push plate 3 to extrude and fix the stringer, so that the structure is simple, convenient to maintain and maintain, strong in synchronism, stable in fixing and reduces the processing error.

[0024] Among them, four limiting holes 2 are formed in the side wall of the cylindrical barrel 16 corresponding to the side close to the opening, limiting rods 1 are arranged on the outer side wall of the push plate 3, the limiting rods 1 penetrate the limiting holes 2 and are slidably connected with the limiting holes 2, assist the sliding limiting of the limiting plate 7 and the limiting sliding opening 5, and improve the stability during the movement of the push plate 3 and the clamping process.

[0025] Among them, the inner side wall of the push plate 3 is provided with a rubber pad 4, the friction between the push plate 3 and the stringer is increased, and the stability of clamping and fixing the stringer is improved.

[0026] Among them, the inner side of the annular turntable 8 is rotatably connected with the outer side wall of the cylindrical barrel 16 through the bearing 6, and the stability of the annular turntable 8 during work is improved.

[0027] Wherein, the contact sensor 18 is arranged at the center position of the inner side wall of the bottom surface of the cylindrical barrel 16, and the contact sensor 18 transmits a signal after the beam is inserted, so that the motor 15 is controlled by an external control system to work, and the clamping work is started, thereby improving the automation degree.

[0028] Wherein, the motor 15 is fixedly connected with the side wall of the bottom surface of the cylindrical barrel 16 through the mounting seat 14, so that the stability of the installation of the motor 15 is improved.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A clamping device for titanium alloy stringer fabrication, characterized by, Cylinder (16) including built-in cuboid cylinder cavity (13) and the bottom surface of cylinder (16) is open, the bottom surface of cylinder (16) is provided with motor (15) in the center position of outer wall, the output end of motor (15) is connected with circular turntable (17), the center of the side surface of cylinder (16) is uniformly provided with four through limiting sliding mouth (5), limiting plate (7) is arranged in the limiting sliding mouth (5) and is penetrated, the one end of limiting plate (7) is provided with push plate (3) in cuboid cylinder cavity (13), the other end side wall is provided with guide column (10), the position between limiting plate (7) and circular turntable (17) is provided with annular turntable (8) on cylinder (16), annular turntable (8) can rotate on cylinder (16), annular turntable (8) and circular turntable (17) are fixedly connected through a plurality of connecting rods (12) and are coaxial design, four guide grooves (9) matched with guide column (10) are formed in circular turntable (17), one end of guide groove (9) is close to the outer ring edge of annular turntable (8), one end is close to the inner ring edge of annular turntable (8), guide column (10) can slide in guide groove (9), a pair of support plates (11) are arranged on the side surface of cylinder (16).

2. The clamping device for titanium alloy stringer fabrication of claim 1, wherein, Four limiting holes (2) are formed in the side wall of cylinder (16) corresponding to the side close to the opening, limiting rod (1) is arranged on the outer side wall of push plate (3), limiting rod (1) penetrates limiting hole (2) and is slidably connected with limiting hole (2).

3. The clamping device for titanium alloy stringer fabrication of claim 1, wherein, Rubber pad (4) is arranged on the inner side wall of push plate (3).

4. The clamping device for titanium alloy stringer fabrication of claim 1, wherein, The inner side of annular turntable (8) is rotatably connected with the outer side wall of cylinder (16) through bearing (6).

5. The clamping device for titanium alloy stringer fabrication of claim 1, wherein, Contact sensor (18) is arranged in the center position of the inner side wall of the bottom surface of cylinder (16).

6. The clamping device for titanium alloy stringer fabrication of claim 1, wherein, Motor (15) is fixedly connected with the bottom surface side wall of cylinder (16) through mounting seat (14).

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