CN211916127U

CN211916127U - Auxiliary supporting device for thin-wall frame part machining

Info

Publication number: CN211916127U
Application number: CN202020165227.2U
Authority: CN
Inventors: 何海燕; 刘锦韬; 赵军; 张杰忠
Original assignee: Sichuan Aerospace Qianyuan Technology Co ltd
Current assignee: Sichuan Aerospace Qianyuan Technology Co ltd
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-11-13
Anticipated expiration: 2030-02-12

Abstract

The utility model discloses a thin wall frame parts machining's supplementary strutting arrangement, including hinge bar seat and gyration hinge pole, the movable one end of hinge bar seat is worn to be equipped with the gyration hinge pole, the other end of hinge bar seat and the one end that the hinge bar seat was kept away from to the gyration hinge pole all are provided with the flat vice jaw, the flat vice jaw internal rotation be provided with fixing device, fixing device includes outer vice jaw and interior vice jaw, the both sides of outer vice jaw one end are provided with ear seat an, the middle part of interior vice jaw one end is provided with ear seat b, ear seat b sets up between two ear seat a, first screw is worn to be equipped with to the side of flat vice jaw, the cover that ear seat an and ear seat b all moved about is established on first screw, the outer vice jaw is kept away from the one end of ear seat an and the one end that interior vice jaw kept away from ear seat b all extends to the flat vice jaw outside. When the frame part is in a free state, the two ends of the frame part clamp the rib part of the workpiece locally, and then the adjustable freedom degree joints at all positions are locked gradually, so that the rigidity of the frame part is increased, and the part cannot be deformed additionally.

Description

Auxiliary supporting device for thin-wall frame part machining

Technical Field

The utility model relates to a strutting arrangement field specifically is a thin wall frame parts machining's supplementary strutting arrangement.

Background

With the improvement of index requirements of various aircrafts on service life, environmental protection, comfort, energy consumption and the like, the proportion of the whole frame structure component is improved, the weight reduction and energy saving purposes are achieved, along with the technological progress of times, the production and processing technology is improved continuously, the size of a large number of non-main bearing frame structures in the component is larger, the size and thickness of side wall rib plates and reinforcing ribs are smaller, before the final assembly of functional parts, structural parts and outer skins is completed, due to the lack of connection combination of other components, the independent structure is lower in rigidity, vibration and deformation are easy to generate in processing, the cutter relieving phenomenon is avoided, the service life of a cutter is greatly reduced, and the manufacturing difficulty and cost of the component are increased. In order to ensure the processing quality of the frame parts, the traditional processing mode generally uses a special customized tool to clamp the parts, and a sticky support strip is arranged at a suspended or weak position or a fixed special support, a vacuum adsorption device and the like are added to ensure the local rigidity of the parts in the processing process, or a movable support rod and a cushion block with various replaceable sizes are adopted to support the parts, so that the structure usually has no pulling force and only becomes unidirectional constraint of an outer top. Although the methods meet the rigidity requirement of the part processing process, the preparation work of various special tools needs to be added, so that the problems of long production preparation period, high tool cost, poor tool adaptability and the like are caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a thin wall frame parts machining's supplementary strutting arrangement for solve prior art not enough, have economic nature, real-time, use advantages such as easy dismounting nature, can not produce additional deformation to the part when increasing frame part rigidity.

The purpose of the utility model is realized through the following technical scheme: an auxiliary supporting device for thin-wall frame part machining comprises a hinge rod seat and a rotary hinge rod, wherein one end of the hinge rod seat movably penetrates through the rotary hinge rod, a flat jaw is arranged at the other end of the hinge rod seat and one end of the rotary hinge rod, which is far away from the hinge rod seat, a fixing device is rotatably arranged in the flat jaw and used for clamping a rib plate;

fixing device includes that outer keeping silent and interior keep silent, the both sides of outer keeping silent one end are provided with ear seat an, the middle part of interior keep silent one end is provided with ear seat b, ear seat b sets up two between the ear seat a, the side mobilizable of flat keeping silent is worn to be equipped with first screw, first screw with flat keeping silent passes through threaded connection, ear seat an with the equal mobilizable cover of ear seat b is established on the first screw, outer keeping silent keeps away from ear seat a's one end with interior keep away from ear seat b's one end all extends to outside the flat keeping silent to form the keeping silent of pressing from both sides the floor, outer keeping silent is last to be provided with fastener.

During specific implementation, the rotary hinge rod can rotate and stretch in the hinge rod seat, and the outer jaw and the inner jaw rotate around the first screw, so that the outer jaw and the inner jaw at two ends clamp the two rib plates, the rigidity of the frame part is increased, and additional deformation of the part is avoided.

Furthermore, the fastening device is a second screw, a kidney hole is formed in the outer jaw, and the second screw sequentially penetrates through the kidney hole and the inner jaw and is connected with the inner jaw through threads.

When the rib plate clamping device is specifically implemented, the rib plate is clamped by the outer jaw and the inner jaw through tightening the second screw.

Further, the waist hole is arranged along the length direction of the outer jaw, and the length of the waist hole is larger than the diameter of the second screw.

In particular embodiments, the outer jaw is movable on the second screw to vary the size of the jaw formed by the outer and inner jaws to accommodate the thickness of the rib plate.

Further, the hinge rod seat is cylindric, the hole that runs through to the other end is seted up to the one end of hinge rod seat, the gyration hinge rod is kept away from the one end of flat vice jaw is mobilizable wears to establish including downthehole, set up on the side of hinge rod seat and extend to the notch of hole, the notch along the axial direction setting of hinge rod seat, and be close to the gyration hinge rod sets up, the notch both sides all are provided with the curb plate, the third screw is worn to establish two in the curb plate, and with the curb plate passes through threaded connection.

When the support device is specifically implemented, the rotary hinge rod is rotated or stretched in the inner hole, so that the fixing devices at the two ends can adapt to the space and the angle between the two rib plates, and the application range of the support device is enlarged.

Furthermore, the number of the third screws is two, and the two third screws are respectively and symmetrically arranged at two ends of the side plate.

During concrete implementation, two third screws are arranged at two ends of the side plate, so that the fixing effect on the rotary hinge rod is better.

Further, the inner sides of the outer jaw and the inner jaw, which are far away from the flat jaw, are provided with a plurality of bar-shaped teeth which are arranged at equal intervals.

During concrete implementation, the bar-shaped teeth avoid making the ribbed slab slide between the outer jaw and the inner jaw under the effect of external force, so that the clamping effect is better.

The utility model has the advantages that:

an auxiliary supporting device for processing thin-wall frame parts belongs to a bracing and pulling bidirectional constraint structure, has economical efficiency, real-time performance and convenience in use, assembly and disassembly, is particularly convenient for standardization, modular production and combined use, and can be used for clamping rib parts of workpieces at two ends of the frame parts in a free state and gradually locking adjustable freedom degree joints at all positions. Therefore, the rigidity of the frame part is increased, the part is not deformed additionally, and the problem of difficulty in processing the frame part is solved.

Drawings

Fig. 1 is a perspective view of an auxiliary supporting device for thin-wall frame part processing of the present invention;

FIG. 2 is a front view of the auxiliary supporting device for thin-wall frame part processing of the present invention;

fig. 3 is an exploded view of the auxiliary supporting device for thin-wall frame part processing according to the present invention;

FIG. 4 is a schematic view of the structure of the outer jaw of the auxiliary supporting device for thin-walled frame part processing of the present invention;

FIG. 5 is a schematic view of the structure of the inner jaw of the auxiliary supporting device for thin-walled frame part processing of the present invention;

FIG. 6 is the schematic view of the structure of the hinge rod seat in the auxiliary supporting device for thin-wall frame part processing of the present invention

In the figure, 1-hinge rod seat, 2-rotary hinge rod, 3-flat jaw, 4-outer jaw, 5-inner jaw, 6-ear seat a, 7-ear seat b, 8-first screw, 9-second screw, 10-inner hole, 11-strip-shaped tooth, 12-side plate, 13-third screw, 14-kidney hole and 15-notch.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

As shown in fig. 1 to 6, an auxiliary supporting device for thin-wall frame part processing includes a hinge rod seat 1 and a rotary hinge rod 2, one end of the hinge rod seat 1 is movably provided with the rotary hinge rod 2 in a penetrating manner, the other end of the hinge rod seat 1 and one end of the rotary hinge rod 2 far away from the hinge rod seat 1 are both provided with a flat jaw 3, a fixing device is rotatably arranged in the flat jaw 3, and the fixing device is used for clamping a rib plate;

the fixing device comprises an outer jaw 4 and an inner jaw 5, two sides of one end of the outer jaw 4 are provided with ear seats a6, the middle of one end of the inner jaw 5 is provided with an ear seat b7, an ear seat b7 is arranged between the two ear seats a6, the side surface of the flat jaw 3 is movably provided with a first screw 8 in a penetrating way, the first screw 8 is connected with the flat jaw 3 through threads, the ear seats a6 and the ear seats b7 are movably sleeved on the first screw 8, one end of the outer jaw 4, far away from the ear seat a6, and one end of the inner jaw 5, far away from the ear seats b7, extend out of the flat jaw 3 and form a jaw for clamping a rib plate, and the outer jaw 4 is provided with a fastening device;

the fastening device is a second screw 9, a kidney hole 14 is formed in the outer jaw 4, and the second screw 9 sequentially penetrates through the kidney hole 14 and the inner jaw 5 and is connected with the inner jaw 5 through threads.

When in specific implementation, a rib plate is clamped by using the fixing device on the hinge rod seat 1, the second screw 9 is unscrewed, the jaw size formed by the outer jaw 4 and the inner jaw 5 is increased to adapt to the thickness of the rib plate, meanwhile, the outer jaw 4 and the inner jaw 5 can rotate around the first screw 8 to adapt to the angle of the ribbed plate, after the jaws clamp the ribbed plate, the second screw 9 is screwed down to enable the jaws to clamp the ribbed plate, then the other ribbed plate is clamped by using a fixing device on the rotary hinge rod 2, the rotary hinge rod 2 can extend and rotate in the hinge rod seat 1, at the same time, the outer jaw 4 and the inner jaw 5 can rotate around the first screw 8, so that the fixing device on the rotary hinge rod 2 can adapt to the angle of the other ribbed plate, and the distance between two ribbed plates can be adapted, when the jaw on the rotary hinge rod 2 clamps another ribbed plate, the second screw 9 on the rotary hinge rod is screwed, and finally the first screws 8 at two ends are respectively screwed. The realization supports two ribs in the frame, has increased the rigidity of frame, and the processing of the part of being convenient for can not produce additional deformation to the part simultaneously, makes the effect of parts machining better, has improved the machining precision simultaneously.

As shown in fig. 4, a kidney hole 14 is provided along the length of the outer jaw 4, the length of the kidney hole 14 being larger than the diameter of the second screw 9.

In specific implementation, when the second screw 9 is used, the thread part of the second screw can extend into the kidney hole 14 and is in threaded connection with the inner jaw 5, namely, the width of the kidney hole is larger than the outer diameter of the screw, and the head part of the second screw cannot penetrate through the circular groove 14, so that the outer jaw 4 can move on the second screw 9, the size of a jaw formed by the outer jaw 4 and the inner jaw 5 is changed, and the thickness of the rib plate is adapted.

As shown in fig. 6, the hinge rod seat 1 is cylindrical, an inner hole 10 penetrating to the other end is formed in one end of the hinge rod seat 1, one end of the rotary hinge rod 2, which is far away from the flat jaw 3, is movably arranged in the inner hole 10 in a penetrating manner, a notch 15 extending to the inner hole 10 is formed in the side face of the hinge rod seat 1, the notch 15 is arranged along the axial direction of the hinge rod seat 1 and is close to the rotary hinge rod 2, side plates 12 are arranged on two sides of the notch 15, and a third screw 13 is arranged in the two side plates 12 in a penetrating manner and is connected with the side plates 12 through threads.

During concrete implementation, through unscrewing third screw 13, make in the hinge rod seat 1 gyration hinge rod 2 at hole 10 internal rotation and flexible to change fixing device's direction, then screw up third screw 13, realize the fastening to gyration hinge rod 2, with the floor that adapts to different angles, make strutting arrangement can support two floors of multi-angle in the frame.

As described above, the number of the third screws 13 is two, and the two third screws 13 are symmetrically disposed at both ends of the side plate 12.

In specific implementation, the two third screws 13 are arranged at two ends of the side plate 12, so that the fixing effect on the rotary hinge rod 2 is better.

According to the above, the inner sides of the outer jaw 4 and the inner jaw 5, which are far away from the flat jaw 3, are provided with a plurality of bar-shaped teeth 11, and the bar-shaped teeth 11 are arranged at equal intervals.

During the concrete implementation, the bar tooth 11 has avoided making the floor slide between outer jaw 4 and interior jaw 5 under the effect of external force, makes the clamping effect better.

According to the above, the specific installation steps of the auxiliary supporting device for thin-wall frame part processing are as follows: the method comprises the steps of clamping a rib plate by using an outer jaw 4 and an inner jaw 5 at one end of a hinge rod seat 1, then screwing a second screw 9 to enable the outer jaw 4 and the inner jaw 5 to clamp the rib plate, then matching the rotation of the outer jaw 4 and the inner jaw 5 on a rotary hinge rod 2 through the extension and rotation of the rotary hinge rod 2 to enable the outer jaw 4 and the inner jaw 5 on the rotary hinge rod 2 to clamp another rib plate, then screwing a second screw 9 on the outer jaw 4 and the inner jaw 5 at the other end to clamp another rib plate, then screwing first screws 8 at two ends to limit the rotation of the outer jaw 4 and the inner jaw 5, and finally screwing a third screw 13 to fasten the rotary hinge rod 2, so that the support of the thin-wall frame part is realized, the rigidity of the frame part is increased, and no additional deformation is generated on the part.

It should be noted that, the utility model discloses at the in-process that uses, loosen each screw and just can realize the activity of each part, tighten the screw and just can fix each part, and the fit tolerance of each part is H7/H8.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The auxiliary supporting device for the thin-wall frame part machining is characterized by comprising a hinge rod seat (1) and a rotary hinge rod (2), wherein the rotary hinge rod (2) is movably arranged at one end of the hinge rod seat (1) in a penetrating mode, a flat jaw (3) is arranged at the other end of the hinge rod seat (1) and one end, far away from the hinge rod seat (1), of the rotary hinge rod (2), a fixing device is rotatably arranged in the flat jaw (3), and the fixing device is used for clamping a rib plate;

the fixing device comprises an outer jaw (4) and an inner jaw (5), wherein ear seats a (6) are arranged on two sides of one end of the outer jaw (4), the middle part of one end of the inner jaw (5) is provided with an ear seat b (7), the ear seat b (7) is arranged between the two ear seats a (6), a first screw (8) is movably arranged on the side surface of the flat jaw (3) in a penetrating way, the first screw (8) is connected with the flat jaw (3) through threads, the ear seat a (6) and the ear seat b (7) are movably sleeved on the first screw (8), one end of the outer jaw (4) far away from the ear seat a (6) and one end of the inner jaw (5) far away from the ear seat b (7) both extend out of the flat jaw (3), and a jaw for clamping the rib plate is formed, and a fastening device is arranged on the outer jaw (4).

2. The auxiliary supporting device for machining the thin-wall frame part is characterized in that the fastening device is a second screw (9), a kidney hole (14) is formed in the outer jaw (4), and the second screw (9) sequentially penetrates through the kidney hole (14) and the inner jaw (5) and is in threaded connection with the inner jaw (5).

3. The auxiliary supporting device for machining the thin-wall frame part is characterized in that the kidney hole (14) is arranged along the length direction of the outer jaw (4), and the length of the kidney hole (14) is larger than the diameter of the second screw (9).

4. The auxiliary supporting device for thin-wall frame part machining according to claim 1, characterized in that the hinge rod seat (1) is cylindrical, an inner hole (10) penetrating through to the other end is formed in one end of the hinge rod seat (1), one end, far away from the flat jaw (3), of the rotary hinge rod (2) is movably arranged in the inner hole (10) in a penetrating manner, a notch (15) extending to the inner hole (10) is formed in the side face of the hinge rod seat (1), the notch (15) is arranged along the axial direction of the hinge rod seat (1) and close to the rotary hinge rod (2), side plates (12) are arranged on two sides of the notch (15), and third screws (13) are arranged in the two side plates (12) in a penetrating manner and connected with the side plates (12) through threads.

5. Auxiliary support device for the machining of thin-walled frame parts according to claim 4, characterized in that at least one third screw (13) is provided.

6. The auxiliary supporting device for machining the thin-wall frame part is characterized in that a plurality of strip-shaped teeth (11) are arranged on the inner sides, far away from the flat jaw (3), of the outer jaw (4) and the inner jaw (5), and the strip-shaped teeth (11) are arranged at equal intervals.