CN210081291U

CN210081291U - Flexible vibration damper for improving part rigidity

Info

Publication number: CN210081291U
Application number: CN201822085157.5U
Authority: CN
Inventors: 李卫东; 高鑫; 宋戈; 沈昕; 王鹏程; 许曜寰; 唐李
Original assignee: Chengdu Aircraft Industrial Group Co Ltd
Current assignee: Chengdu Aircraft Industrial Group Co Ltd
Priority date: 2018-12-12
Filing date: 2018-12-12
Publication date: 2020-02-18
Anticipated expiration: 2028-12-12

Abstract

The utility model discloses a flexible vibration damper for improving part rigidity, its characterized in that: comprises a mounting base (1), a compressible cylinder (2) and a movable sucker, wherein the mounting base (1) is internally provided with an empty chamber, the compressible cylinder (2) is arranged in the cavity chamber of the mounting base (1), the movable sucker comprises a movable sucker clamping body (3) moving up and down along the compressible cylinder (2) and a sucker suction head (11) fixedly arranged at one end of the movable sucker clamping body (3), a through hole is arranged in the movable sucker clamping body (3), the through hole is communicated with a vacuum cavity (13) arranged on the mounting base (1) and a vacuum pumping air hole of the sucker (11), a compression cavity is formed between the compressible cylinder (2) and the hollow cavity of the mounting base (1), the compression cavity wall is provided with a channel communicated with a compression power source, so that the aim of reducing vibration and improving the rigidity of the part can be achieved by adsorbing the compression cavity wall on the surface of the part.

Description

Flexible vibration damper for improving part rigidity

Technical Field

The utility model relates to a vibration damper especially relates to a flexible vibration damper to weak rigidity part, and specifically speaking is a flexible vibration damper who is used for improving weak rigidity part rigidity in numerical control processing.

Background

The aviation structural part is characterized in that a large number of thin-wall parts exist in the aviation structural part, and for the thin-wall parts, the deformation is easy to generate and the vibration is easy to generate due to the influence of factors such as cutting force, clamping force and the like in the machining process, the machining quality of the parts is influenced, the parts are called weak-rigidity parts, the weak-rigidity parts are usually machined by adopting special tools or conservative cutting parameters, when the special tools are adopted, the rigidity in the machining process of the parts can be increased, the machining vibration is reduced, and meanwhile, the machining cost of the parts can also be increased; when conservative cutting parameters such as small cutting amount are adopted, the processing efficiency of the part is seriously influenced.

Disclosure of Invention

Adopt special frock processing to increase the processing cost, adopt conservative cutting parameter processing can seriously influence the problem of parts machining efficiency for solving the weak rigidity part that prior art exists, the utility model provides a flexible vibration damper for improving the part rigidity. The utility model discloses a flexible vibration damper for improving part rigidity, its characterized in that: including mounting base, compressible jar and portable sucking disc, mounting base in to open there is the cavity, the compressible jar arrange in mounting base's cavity indoor, portable sucking disc include along the portable sucking disc clamping body that the compressible jar reciprocated and adorn the sucking disc suction head at portable sucking disc clamping body one end admittedly, portable sucking disc clamping body in open and to have the through-hole, through-hole and mounting base on the vacuum cavity of opening and the evacuation gas pocket intercommunication of sucking disc suction head, compressible jar and mounting base's cavity room between form the compression chamber, the compression chamber wall open the passageway that has intercommunication compression power supply.

Furthermore, the surface of the sucker head is provided with a sealing strip which plays a role in sealing and adsorbing the surface of the part.

Furthermore, the surface of the suction head of the suction disc is provided with a breathable and millable base plate.

Furthermore, a bushing seat is arranged at the bottom of the cavity chamber of the mounting base, the compressible cylinder is arranged between the bushing seat and the top cover, a through hole inner cavity is formed in the bushing seat, and a vacuum cavity formed in the mounting base is communicated with the through hole inner cavity of the bushing seat.

Furthermore, the top end of the mounting base is fixedly provided with a top cover, and the top cover is connected with the mounting base in a sealing mode through a first sealing ring arranged in a sealing ring groove of the hollow chamber.

Furthermore, a sealing ring is arranged between the bushing seat and the hollow chamber.

Further, the compression power source is a hydraulic oil cylinder or a pneumatic cylinder.

Furthermore, the compression power source is a hydraulic oil cylinder, the compression cavity is a hydraulic oil cavity, and a channel of the compression cavity communicated with the compression power source is connected with a hydraulic oil pipe.

Furthermore, the inner wall of the compressible cylinder is provided with a reticulate pattern for increasing friction force.

Furthermore, a vacuum cavity of the mounting base is provided with a vacuum nozzle.

Furthermore, a flange plate fixedly connected with the workbench through a mounting screw or a pressing plate is manufactured at the bottom end of the mounting base.

The flexible vibration damping device for improving the rigidity of the part has the advantages that when hydraulic oil is not introduced into the hydraulic oil cavity, the compressible cylinder is in a normal state, and the movable sucker clamping body can move up and down in the compressible cylinder; when hydraulic oil is introduced into the hydraulic oil cavity, the compressible cylinder is in a compressed state under the action of the hydraulic oil, and clamps the clamping body of the movable sucker to fix the position of the movable sucker; when the sucker is close to the part, the sucker is adsorbed on the surface of the part after the vacuum cavity is vacuumized through the vacuumizing air nozzle; wherein, the sealing strip plays a role in sealing; the sucking head of the sucking disc can be detached from the movable sucking disc clamping body, different dimensions can be selected according to the size of the surface of a part to be adsorbed, so that the vibration of the weak-rigidity part with a thin-wall structure in the machining process can be obviously reduced, the deformation of the part is reduced by increasing the rigidity of the part, and the machining quality of the part is improved. In addition, the breathable and millable base plate is additionally arranged, so that the condition that the clamp is scrapped due to the cutter milling clamp when a hole is machined can be avoided, and the service life of the flexible clamp is prolonged.

Drawings

Fig. 1 is a schematic perspective view of a flexible damping device for improving the rigidity of a component according to the present invention.

Fig. 2 is a schematic cross-sectional view of a flexible damping device for increasing the rigidity of a component according to the present invention.

In the figure: 1. the device comprises a mounting base, 2 parts of a compressible cylinder, 3 parts of a movable sucker clamping body, 4 parts of a vacuumizing air nozzle, 5 parts of a hydraulic oil pipe, 6 parts of a hydraulic oil cavity, 7 parts of a first sealing ring, 8 parts of a sealing strip, 9 parts of a vacuumizing air hole, 10 parts of a ventilating and millable gasket hole, 11 parts of a sucker, 12 parts of a sealing ring groove and 13 parts of a vacuum cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. In the description of the present invention, it should be noted that, in the case of no conflict, the features in the embodiments and examples of the present invention may be combined with each other; it is also to be understood that, unless otherwise expressly specified or limited, the term "disposed" is to be construed broadly and that, to one of ordinary skill in the art, the meaning of such terms in the context of this invention is to be understood in a particular sense.

Fig. 1 and fig. 2 show a flexible damping device for improving the rigidity of a part according to the present invention, which is characterized in that: including mounting base 1, compressible jar 2 and portable sucking disc, mounting base 1 in seted up empty cavity, compressible jar 2 arrange in mounting base 1's cavity indoor, portable sucking disc include along the portable sucking disc clamping body 3 that compressible jar 2 reciprocated and adorn the sucking disc suction head 11 at portable sucking disc clamping body 3 one end admittedly, portable sucking disc clamping body 3 in seted up the through-hole, through-hole and mounting base 1 go up the evacuation gas pocket intercommunication of vacuum cavity 13 and sucking disc suction head 11 of opening, compressible jar 2 and mounting base 1's cavity room between form the compression chamber, the compression chamber wall open the passageway that has the intercommunication compression power supply.

Furthermore, the surface of the sucker suction head 11 is provided with a sealing strip 8 which has a sealing and adsorbing effect with the surface of the part.

Furthermore, the surface of the sucker 11 is provided with a breathable and millable backing plate.

Further, a bushing seat is arranged at the bottom of the cavity chamber of the mounting base 1, the compressible cylinder 2 is arranged between the bushing seat and the top cover, the bushing seat is provided with a through hole inner cavity, and a vacuum cavity 13 formed in the mounting base 1 is communicated with the through hole inner cavity of the bushing seat.

Furthermore, a top cover is fixedly installed at the top end of the installation base 1, and the top cover is connected with the installation base 1 in a sealing mode through a first sealing ring 7 arranged in a sealing ring groove 12 of the hollow chamber.

Furthermore, the compression power source is a hydraulic oil cylinder, the compression cavity is a hydraulic oil cavity 6, and a channel of the compression cavity communicated with the compression power source is connected with a hydraulic oil pipe 5.

Furthermore, the inner wall of the compressible cylinder 2 is provided with a reticulate pattern for increasing friction force.

Further, the vacuum cavity 13 of the mounting base 1 is provided with a vacuum nozzle 4.

Furthermore, a flange plate fixedly connected with the workbench through a mounting screw or a pressing plate is manufactured at the bottom end of the mounting base 1.

When the flexible vibration damper is used, the mounting base 1 is fixed on the workbench in a pressing plate mode; according to the size of the surface to be adsorbed of the part, the sucker 11 is selected to have a proper specification such as phi 100mm and is arranged on the movable sucker clamping body 3; and according to the part structure, the height of the movable sucker clamping body 3 is adjusted, so that the sucker 11 is close to the part; hydraulic oil is introduced into the hydraulic oil cavity 6 through the hydraulic oil pipe 5, the compressible cylinder 2 is in a compressed state under the action of the hydraulic oil, and the movable sucker clamping body 3 is clamped tightly, so that the position of the movable sucker is fixed; then the vacuum cavity 13 is vacuumized through the vacuumizing air tap 4, and the sucking head 11 of the sucking disc is adsorbed on the surface of the part; wherein, the sealing strip 8 plays a sealed role, and the rigidity of the part can be ensured by the flexible damping device in the processing process.

When the characteristic that holes are formed in the surface of a part to be adsorbed need to be machined, the hole machining operation is used as the last process, a cutter can drill through the part material during machining, the holes are machined in place, the air-permeable millable base plate 10 is machined at the same time, the use of the flexible vibration damper is not influenced, and the air-permeable millable base plate 10 can be continuously used only by replacing the air-permeable millable base plate 10;

after the machining is finished, the vacuum-pumping air nozzle 4 and the hydraulic oil pipe 5 are opened to separate the suction head 11 of the suction cup from the surface of the part, and the mounting base 1 is detached from the workbench.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.

Claims

1. A flexible vibration damping device for improving the rigidity of a part is characterized in that: including mounting base (1), compressible jar (2) and portable sucking disc, mounting base (1) in seted up there is the cavity, compressible jar (2) arrange in the cavity of mounting base (1) indoor, portable sucking disc including along portable sucking disc clamping body (3) that compressible jar (2) reciprocated and the sucking disc suction head (11) of adorning at portable sucking disc clamping body (3) one end admittedly, portable sucking disc clamping body (3) in seted up there is the through-hole, vacuum cavity (13) and the evacuation gas pocket intercommunication of sucking disc suction head (11) of opening on through-hole and mounting base (1), the cavity room of compressible jar (2) and mounting base (1) between form the compression chamber, the compression chamber wall open the passageway that has the intercommunication compression power supply.

2. A flexible vibration damping device for increasing the rigidity of a part according to claim 1 wherein: and a sealing strip (8) playing a role of sealing and adsorbing the surface of the part is arranged on the surface of the sucker (11).

3. A flexible vibration damping device for increasing the rigidity of a part according to claim 2 wherein: the surface of the sucker (11) is provided with a breathable and millable backing plate.

4. A flexible vibration damping device for increasing the rigidity of a part according to any one of claims 1, 2 or 3 wherein: the mounting base is characterized in that a bushing seat is arranged at the bottom of a cavity chamber of the mounting base (1), the compressible cylinder (2) is arranged between the bushing seat and the top cover, a through hole inner cavity is formed in the bushing seat, and a vacuum cavity (13) formed in the mounting base (1) is communicated with the through hole inner cavity of the bushing seat.

5. A flexible vibration damping device for increasing the rigidity of a part according to claim 4 wherein: the top cover is fixedly installed at the top end of the installation base (1) and is in sealing connection with the installation base (1) through a first sealing ring (7) arranged in a sealing ring groove (12) of the cavity chamber.

6. A flexible vibration damping device for increasing the rigidity of a part according to claim 5 wherein: and a sealing ring is arranged between the bushing seat and the hollow chamber.

7. A flexible vibration damping device for increasing the rigidity of a part according to claim 6 wherein: the compression power source is a hydraulic oil cylinder or a pneumatic cylinder.

8. A flexible vibration damping device for increasing the rigidity of a part according to claim 6 wherein: the compression power source is a hydraulic oil cylinder, the compression cavity is a hydraulic oil cavity (6), and a channel of the compression cavity, which is communicated with the compression power source, is connected with a hydraulic oil pipe (5).

9. A flexible vibration damping device for increasing the rigidity of a part according to claim 8 wherein: the inner wall of the compressible cylinder (2) is provided with reticulate patterns for increasing friction force.

10. A flexible vibration damping device for increasing the rigidity of a part according to claim 9 wherein: the vacuum cavity (13) of the mounting base (1) is provided with a vacuum-pumping air nozzle (4).