CN211759871U - Multi-degree-of-freedom auxiliary supporting device for thin-wall frame part machining - Google Patents
Multi-degree-of-freedom auxiliary supporting device for thin-wall frame part machining Download PDFInfo
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- CN211759871U CN211759871U CN202020164336.2U CN202020164336U CN211759871U CN 211759871 U CN211759871 U CN 211759871U CN 202020164336 U CN202020164336 U CN 202020164336U CN 211759871 U CN211759871 U CN 211759871U
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Abstract
The utility model discloses a multi freedom's auxiliary stay device for thin wall frame parts machining, including the hinge rod seat, the equal mobilizable gyration hinge bar of wearing to be equipped with in both ends of hinge rod seat, be fixed with concave vice jaw on the gyration hinge bar, rotatable fixing device that is provided with in the concave vice jaw, 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 an and ear seat b all set up in concave vice jaw, ear seat b sets up between two ear seat a, the arc wall that runs through is seted up to the side of concave vice jaw, first screw is worn to establish in the arc wall, outer vice jaw and the equal rotatable cover of interior vice jaw are established on first screw. The rotary hinge rod can rotate and stretch in the hinge rod seat, the first screw drives the inner jaw and the outer jaw to deflect left and right in the concave jaw, and meanwhile, the inner jaw and the outer jaw can rotate around the first screw, so that the supporting device has multiple degrees of freedom, and the rigidity of a frame part is increased while the part is prevented from generating additional deformation.
Description
Technical Field
The utility model relates to a strutting arrangement field specifically is a multi freedom's supplementary strutting arrangement for thin wall frame parts machining.
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. Meanwhile, due to the staggered design of the ribbed plates in the frame part, two ribbed plates which need to be supported are positioned in different planes, and the existing supporting device has limited degree of freedom and cannot meet the requirement of clamping the staggered ribbed plates, so that the supporting device with multiple degrees of freedom needs to be designed to meet the processing requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a multi freedom's supplementary strutting arrangement for thin wall frame parts machining for solve prior art not enough, have advantages such as economic nature, real-time, use easy dismounting nature, can not produce additional deformation to the part when increasing frame part rigidity, simultaneously, can press from both sides tightly the floor of different states.
The purpose of the utility model is realized through the following technical scheme: a multi-degree-of-freedom auxiliary supporting device for machining thin-wall frame parts comprises a hinge rod seat, wherein rotary hinge rods penetrate through two ends of the hinge rod seat in a movable mode, a concave jaw is fixed at one end, far away from the hinge rod seat, of each rotary hinge rod, a fixing device is rotatably arranged in each concave jaw, and the fixing device is used for clamping rib plates;
fixing device includes outer keeping silent, interior keeping silent and first screw, the both sides of outer keeping silent one end are provided with ear seat a, the middle part of interior keeping silent one end is provided with ear seat b, outer keeping silent be equipped with the one end of ear seat a with interior keeping silent is equipped with the one end of ear seat b all sets up in the concave jaw, just ear seat b sets up two between the ear seat a, the other end of outer keeping silent with the other end of interior keeping silent all extends to outside the concave jaw to form the keeping silent of pressing from both sides tight floor, the side of concave jaw is seted up along length direction and is run through to the arc wall of opposite side, first screw is mobilizable to be worn to establish in the arc wall, outer keeping silent and the equal rotatable cover of interior keeping silent are established on the first screw, be provided with fastener on the outer keeping silent.
When the swing hinge rod is used for concrete implementation, the swing hinge rod can rotate and stretch in the hinge rod seat, the first screw drives the outer jaw and the inner jaw to deflect left and right in the concave jaw, and meanwhile, the outer jaw and the inner jaw can rotate around the first screw, so that the supporting device has a plurality of degrees of freedom, two rib plates in different directions can be clamped and supported, and the supporting range of the supporting device is greatly enlarged.
Furthermore, the fastening device is a second screw, a through hole is formed in the outer jaw, and the second screw sequentially penetrates through the through hole and the inner jaw and is connected with the inner jaw through threads.
When the device is specifically implemented, the second screw is rotated to increase or decrease the distance between the outer jaw and the inner jaw, so that the rib plate is clamped.
Furthermore, the two sides of the inner wall of the concave jaw are respectively matched with an inner arc pad, one end of the outer jaw, which is provided with the ear seat a, is arranged between the two inner arc pads, and one end of the inner arc pad, which is far away from the concave jaw, is contacted with the outer jaw.
During specific implementation, the cambered surface of the inner wall of the concave jaw is compensated through the inner cambered pad, so that the fastening effect of the first screw on the fixing device is better.
Furthermore, an outer arc nut and an outer arc pad are respectively arranged on two sides of the outer wall of the concave jaw, one ends of the outer arc nut and the outer arc pad, which are contacted with the concave jaw, are matched with the arc surface of the outer wall of the concave jaw, the first screw penetrates through the outer arc pad and penetrates out of the outer arc nut, and the first screw is connected with the outer arc nut through threads.
During concrete implementation, the fastening of the fixing device is realized through the matching of the first screw and the outer arc nut, and the outer arc pad and the inner arc pad compensate the cambered surfaces of the inner wall and the outer wall of the concave jaw, so that the fastening effect of the first screw on the fixing device is better.
Further, the hinge rod seat is cylindrical, an inner hole penetrating through to the other end is formed in one end of the hinge rod seat, the rotary hinge rod is far away from one end of the concave jaw and movably penetrates through the inner hole, a notch extending to the inner hole is formed in the side face of the hinge rod seat, the notch is formed in the hinge rod seat, one end of the hinge rod seat extends to the other end, two fastening devices a are further arranged on the hinge rod seat, the fastening devices a are symmetrically arranged at two ends of the side face of the hinge rod seat, and the fastening devices a are used for fastening the rotary hinge rod.
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.
Further, the fastening device a comprises a third screw and two side plates, the two side plates are symmetrically arranged on two sides of the notch, and the third screw penetrates through the two side plates and is connected with the side plates through threads.
When the device is specifically implemented, the third screw is loosened, the rotary hinge rod rotates or stretches in the inner hole, and the third screw is screwed to fix the rotary hinge rod.
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.
The utility model has the advantages that:
1. a multi-degree-of-freedom auxiliary supporting device for machining thin-wall frame parts belongs to a bracing and pulling bidirectional constraint structure, has economy, real-time performance and convenience in use, disassembly and assembly, and is particularly convenient for standardization, modular production and combined use; when the frame part is in a free state, the two ends of the frame part are partially clamped with the rib part of the workpiece, and then the adjustable freedom degree joints are gradually locked. 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.
2. The utility model provides a multi freedom's supplementary strutting arrangement for thin wall frame parts machining, the gyration hinge bar can rotate and stretch out and draw back at the hinge bar seat, and first screw drives outer jaw and interior jaw and deflects about in the concave jaw, and outer jaw and interior jaw can also rotate round first screw simultaneously, make strutting arrangement have a plurality of degrees of freedom, can press from both sides tight the support to two floor that are in different position, have improved strutting arrangement's support range greatly.
Drawings
FIG. 1 is a perspective view of the multi-degree of freedom auxiliary supporting device for thin-wall frame part processing of the present invention;
FIG. 2 is a front view of the multi-degree of freedom auxiliary supporting device for thin-wall frame part processing of the present invention;
fig. 3 is a schematic view of a structure of a rotary hinge rod in the multi-degree-of-freedom auxiliary supporting device for thin-wall frame part processing according to the present invention;
FIG. 4 is a schematic view of an outer jaw structure of the multi-degree of freedom auxiliary supporting device for thin-wall frame part processing of the present invention;
FIG. 5 is a schematic view of an inner jaw structure of the multi-degree of freedom auxiliary supporting device for thin-wall frame part processing according to the present invention;
FIG. 6 is a schematic view of the hinge rod seat structure of the multi-degree of freedom 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-concave jaw, 4-external jaw, 5-internal jaw, 6-ear seat a, 7-ear seat b, 8-first screw, 9-second screw, 10-internal arc pad, 11-external arc nut, 12-external arc pad, 13-internal hole, 14-third screw, 15-side plate and 16-arc groove.
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, the multi-degree-of-freedom auxiliary supporting device for thin-wall frame part processing comprises a hinge rod seat 1, wherein two ends of the hinge rod seat 1 are movably provided with a rotary hinge rod 2 in a penetrating manner, one end of the rotary hinge rod 2, which is far away from the hinge rod seat 1, is fixed with a concave jaw 3, and a fixing device is rotatably arranged in the concave jaw 3 and used for clamping a rib plate;
the fixing device comprises an outer jaw 4, an inner jaw 5 and a first screw 8, wherein two sides of one end of the outer jaw 4 are provided with ear seats a6, the middle part of one end of the inner jaw 5 is provided with an ear seat b7, one end of the outer jaw 4 provided with an ear seat a6 and one end of the inner jaw 5 provided with an ear seat b7 are both arranged in the concave jaw 3, the ear seat b7 is arranged between the two ear seats a6, the other end of the outer jaw 4 and the other end of the inner jaw 5 both extend out of the concave jaw 3 and form a jaw for clamping a ribbed plate, the side surface of the concave jaw 3 is provided with an arc-shaped groove 16 penetrating to the other side along the length direction, the first screw 8 is movably arranged in the arc-shaped groove 16 in a penetrating manner, the outer jaw 4 and the inner jaw 5 are both rotatably sleeved on the first screw 8, and the outer jaw 4 is provided with a fastening;
during concrete implementation, gyration hinge bar 2 can be at the internal rotation of hinge bar seat 1 and flexible, and first screw 8 can be at the internal rotation of arc wall 16 to make first screw 8 drive outer jaw 4 and interior jaw 5 and control the deflection in concave jaw 3, outer jaw 4 and interior jaw 5 can also rotate round first screw 8 simultaneously, make strutting arrangement have a plurality of degrees of freedom, can press from both sides tight the support to two floor that are in different position, have improved strutting arrangement's support range greatly.
The fastening device is a second screw 9, a through hole is formed in the outer jaw 4, and the second screw 9 sequentially penetrates through the through hole and the inner jaw 5 and is in threaded connection with the inner jaw 5.
In specific implementation, the through hole is annular and is arranged along the length direction of the outer jaw 4, so that the outer jaw 4 can move on the second screw 9 to change the size of the jaw formed by the outer jaw 4 and the inner jaw 5, thereby adapting to the thickness of the rib plate, and the rib plate is clamped by the outer jaw 4 and the inner jaw 5 by screwing the second screw 9.
As shown in fig. 3, two sides of the outer wall of the jaw 3 are respectively provided with an outer arc nut 11 and an outer arc pad 12, one ends of the outer arc nut 11 and the outer arc pad 12, which are in contact with the concave jaw 3, are both adapted to the arc surface of the outer wall of the concave jaw 3, a first screw 8 penetrates through the outer arc pad 12 and penetrates out of the outer arc nut 11, and the first screw 8 is in threaded connection with the outer arc nut 11;
the both sides of concave tong mouth 3 inner wall all the adaptation have interior arc to fill up 10, and the one end setting that outer tong mouth 4 was equipped with ear seat a6 is between two interior arc pads 10, and the one end that interior arc filled up 10 kept away from concave tong mouth 3 contacts with outer tong mouth 4.
In specific implementation, the first screw 8 is unscrewed, so that the first screw 8 rotates in the arc-shaped groove 16, the first screw 8 drives the outer jaw 4 and the inner jaw 5 to deflect left and right in the concave jaw 3 to adapt to the angle of the rib plate, the first screw 8 is screwed, and the deflection of the outer jaw 4 and the inner jaw 5 is limited through the matching of the first screw 8 and the outer arc nut 11. Establish to the cambered surface inner arc pad 10 one end, with the cambered surface looks adaptation of concave jaw 3 inner wall, the other end contacts with outer jaw 4 and outer jaw 4, compensate the cambered surface of concave jaw 3, when avoiding the inner wall contact of outer jaw 4 and concave jaw 3, produce great clearance, thereby influence the fastening effect of first screw 8, outer arc pad 12 and outer arc nut 11 one end are all established to the cambered surface simultaneously, all with the cambered surface looks adaptation of concave jaw 3 outer wall, the fastening effect of first screw 8 has further been increased.
As shown in fig. 6, the hinge rod seat 1 is cylindrical, an inner hole 13 penetrating through the hinge rod seat 1 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 concave jaw 3, is movably arranged in the inner hole 13 in a penetrating manner, a notch extending to the inner hole 13 is formed in the side surface of the hinge rod seat 1, the notch extends from one end of the hinge rod seat 1 to the other end, two fastening devices a are further arranged on the hinge rod seat 1, the two fastening devices a are symmetrically arranged at two ends of the side surface of the hinge rod seat 1, and the fastening devices a are used for fastening the rotary hinge rod 2;
the fastening device a comprises a third screw 14 and two side plates 15, the two side plates 15 are symmetrically arranged on two sides of the notch, and the third screw 14 penetrates through the two side plates 15 and is connected with the side plates through threads.
During specific implementation, the third screws 14 are unscrewed, so that the rotary hinge rods 2 at the two ends of the hinge rod seat 1 rotate and stretch in the inner holes 13, the direction of the fixing device is changed, then the third screws 14 are screwed, the rotary hinge rods 2 at the two ends are fastened, rib plates at different angles are adapted, and the supporting device can support the rib plates at any two angles in the frame.
The number of the third screws 14 is two, and the two third screws 14 are symmetrically arranged at two ends of the side plate 15.
In specific implementation, the two third screws 14 are arranged at two ends of the side plate 15, so that the fixing effect on the rotary hinge rod 2 is better.
The multi-degree-of-freedom auxiliary supporting device for machining the thin-wall frame part comprises the following specific installation steps: firstly clamping a rib plate by 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 deflection and rotation of the outer jaw 4 and the inner jaw 5 at the other end of the hinge rod seat 1 through the extension and rotation of a rotary hinge rod 2 to enable the outer jaw 4 and the inner jaw 5 at the other end of the hinge rod seat 1 to clamp another rib plate, then screwing a second screw 9 at the other end to enable 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 and deflection of the outer jaw 4 and the inner jaw 5, finally screwing a third screw 14 to fasten the rotary hinge rod 2, thereby realizing the support of the thin-wall frame part, and the arrangement of multiple degrees of freedom of the support device can fix two rib plates in different directions, increase the rigidity of the frame part, no additional deformation is produced to 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 (7)
1. The multi-degree-of-freedom auxiliary supporting device for machining the thin-wall frame part is characterized by comprising a hinge rod seat (1), wherein rotary hinge rods (2) are movably arranged at two ends of the hinge rod seat (1) in a penetrating mode, one ends, far away from the hinge rod seat (1), of the rotary hinge rods (2) are fixedly provided with concave jaws (3), fixing devices are rotatably arranged in the concave jaws (3), and the fixing devices are used for clamping rib plates;
the fixing device comprises an outer jaw (4), an inner jaw (5) and a first screw (8), wherein two sides of one end of the outer jaw (4) are provided with ear seats a (6), the middle part of one end of the inner jaw (5) is provided with an ear seat b (7), the outer jaw (4) is provided with one end of the ear seat a (6) and one end of the inner jaw (5) is provided with the ear seat b (7) which are arranged in the concave jaw (3), the ear seats b (7) are arranged between the two ear seats a (6), the other end of the outer jaw (4) and the other end of the inner jaw (5) extend out of the concave jaw (3) to form a jaw for clamping a rib plate, the side surface of the concave jaw (3) is provided with an arc-shaped groove (16) which penetrates through to the other side along the length direction, the first screw (8) is movably arranged in the arc-shaped groove (16), the outer jaw (4) and the inner jaw (5) are rotatably sleeved on the first screw (8), and a fastening device is arranged on the outer jaw (4).
2. The auxiliary supporting device with multiple degrees of freedom for machining the thin-wall frame part is characterized in that the fastening device is a second screw (9), a through hole is formed in the outer jaw (4), and the second screw (9) sequentially penetrates through the through hole and the inner jaw (5) and is in threaded connection with the inner jaw (5).
3. The auxiliary supporting device with multiple degrees of freedom for machining thin-wall frame parts is characterized in that inner arc pads (10) are adapted to two sides of the inner wall of the concave jaw (3), one end of the outer jaw (4) provided with the ear seat a (6) is arranged between the two inner arc pads (10), and one end, far away from the concave jaw (3), of the inner arc pads (10) is in contact with the outer jaw (4).
4. The auxiliary supporting device with multiple degrees of freedom for machining the thin-wall frame part is characterized in that an outer arc nut (11) and an outer arc pad (12) are respectively arranged on two sides of the outer wall of the concave jaw (3), one ends, in contact with the concave jaw (3), of the outer arc nut (11) and the outer arc pad (12) are matched with the arc surface of the outer wall of the concave jaw (3), the first screw (8) penetrates through the outer arc pad (12) and penetrates out of the outer arc nut (11), and the first screw (8) is in threaded connection with the outer arc nut (11).
5. The multi-degree-of-freedom auxiliary supporting device for machining thin-wall frame parts is characterized in that the hinge rod seat (1) is cylindrical, an inner hole (13) penetrating through the hinge rod seat (1) to the other end is formed in one end of the hinge rod seat, one end, far away from the concave jaw (3), of the rotary hinge rod (2) is movably arranged in the inner hole (13) in a penetrating mode, a notch extending to the inner hole (13) is formed in the side face of the hinge rod seat (1), the notch extends to the other end from one end of the hinge rod seat (1), two fastening devices a are further arranged on the hinge rod seat (1), the two fastening devices a are symmetrically arranged at two ends of the side face of the hinge rod seat (1), and the fastening devices a are used for fastening the rotary hinge rod (2).
6. The auxiliary supporting device with multiple degrees of freedom for machining the thin-wall frame part is characterized in that the fastening device a comprises a third screw (14) and two side plates (15), the two side plates (15) are symmetrically arranged at two sides of the notch, and the third screw (14) penetrates through the two side plates (15) and is in threaded connection with the side plates.
7. The auxiliary supporting device with multiple degrees of freedom for machining the thin-wall frame part is characterized in that the number of the third screws (14) is two, and the two third screws (14) are symmetrically arranged at two ends of the side plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020164336.2U CN211759871U (en) | 2020-02-12 | 2020-02-12 | Multi-degree-of-freedom auxiliary supporting device for thin-wall frame part machining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020164336.2U CN211759871U (en) | 2020-02-12 | 2020-02-12 | Multi-degree-of-freedom auxiliary supporting device for thin-wall frame part machining |
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| CN211759871U true CN211759871U (en) | 2020-10-27 |
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| CN202020164336.2U Active CN211759871U (en) | 2020-02-12 | 2020-02-12 | Multi-degree-of-freedom auxiliary supporting device for thin-wall frame part machining |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501138A (en) * | 2021-09-13 | 2021-10-15 | 成都飞机工业（集团）有限责任公司 | Method for increasing rigidity of finishing process of aircraft component |
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2020
- 2020-02-12 CN CN202020164336.2U patent/CN211759871U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501138A (en) * | 2021-09-13 | 2021-10-15 | 成都飞机工业（集团）有限责任公司 | Method for increasing rigidity of finishing process of aircraft component |
| CN113501138B (en) * | 2021-09-13 | 2021-11-30 | 成都飞机工业（集团）有限责任公司 | Method for increasing rigidity of finishing process of aircraft component |
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