CN106424521A - Normal self-adaptation foot pressing mechanism of automatic boring and riveting machine - Google Patents
Normal self-adaptation foot pressing mechanism of automatic boring and riveting machine Download PDFInfo
- Publication number
- CN106424521A CN106424521A CN201611022311.3A CN201611022311A CN106424521A CN 106424521 A CN106424521 A CN 106424521A CN 201611022311 A CN201611022311 A CN 201611022311A CN 106424521 A CN106424521 A CN 106424521A
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- China
- Prior art keywords
- presser feet
- head
- foot pressing
- presser
- self adaptation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
- B21J15/42—Special clamping devices for workpieces to be riveted together, e.g. operating through the rivet holes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a normal self-adaptation foot pressing mechanism of an automatic boring and riveting machine. The mechanism comprises a foot pressing head and a foot pressing base; the foot pressing head is connected with the foot pressing base through at least one pair of connecting rods penetrating the foot pressing head; a first locking part and a second locking part are arranged at the two ends of each connecting rod, and an elastic part is arranged on at least one position of the positions between the foot pressing head and the first locking parts or positions between the foot pressing base and the second locking parts. The mechanism is mounted on a multifunctional tail end execution device of the automatic boring and riveting machine, and according to main functions, in the hole making, pin plugging and riveting process, an air cylinder pushes compressing and riveting components, the gap between the components is removed, and rigidity of the components is improved; after the components are compressed, according to the stress condition of the end faces of pressed feet, the foot pressing head is subject to fine adjustment in a self-adaptation manner, and therefore the foot pressing head can be attached to the surfaces of the components in a fully-tight manner.
Description
Technical field
The present invention relates to aircraft process and assemble field, the normal direction self adaptation presser feet machine of more particularly, to a kind of automatic drill riveter
Structure.
Background technology
Aircraft assembling is the key link of aircraft manufacturing, and riveting technology is the machinery commonly using in aircraft assembling
Interconnection technique, the quality of riveting and efficiency directly affect aircraft assembling, the quality of aircraft manufacturing and efficiency.Traditional riveting is produced
Quality is affected by workman's individual factors, and ratio is larger, therefore, it is difficult to guaranteeing stable and high-quality and high-efficiency connection.In recent years, with
The development of mounting technology, automatic drill riveter gradually instead of traditional hand riveting, and riveting quality and efficiency have and significantly carries
Rise, therefore develop automatic Drilling/Riveting Technology, carry out automation to bore riveting using automatic Drilling/Riveting equipment is a kind of inevitable trend.
The whole riveting process of automatic drill riveter includes drilling and plug pin riveting, needs design specialized presser feet unit to coordinate
Complete automatic riveting process.Automatic drill riveter work when, at equipment moving to Component Theory point position, due to Component Theory profile with
Exact shape has differences, and equipment needs adjustment member surface normal, and adjustment finishes exhaust hood and releases presser feet pressed component, eliminates structure
Part gap, strengthens equipment rigidity, thus ensureing drilling and riveting quality.Therefore for automatic drill riveter, the setting of presser feet unit
Meter is extremely important.
The Chinese patent literature of Publication No. CN103170570A discloses a kind of Digital mechanical automatic and presses system,
Servomotor and rotary screw rod are set on mounting seat, the screw being matched with rotary screw rod is located in sleeve and is fixedly connected with sleeve；
Sleeve upper end is provided with sleeve upper end ring cowling and center, is provided with push rod in center, and push rod lower end acts against sleeve upper end ring cowling
On, push rod upper end is connected with the head that presses, and is provided with cylinder outside upper cartridge, and the piston external end head being matched with cylinder is sequentially provided with
Piston upper end ring cowling and electric rotating machine, the shell of electric rotating machine and piston are relatively fixed, and electric rotating machine inside the shell has stator, and fixed
The rotor that son matches is fixedly connected in electric rotating machine upper end and covers, and electric rotating machine upper end inner cap is solid with electric rotating machine upper end enclosing cover
Connect, between electric rotating machine upper end enclosing cover and the shell of electric rotating machine, be provided with bearing, pass through above the enclosing cover of electric rotating machine upper end on
Lid and upper end cover are connected with two presser feets, and the described head that presses is clamped between presser feet.
The Chinese patent literature of Publication No. CN105728630A discloses a kind of presser feet unit of automatic drill riveter, this pressure
Pin unit includes presser feet main body, is arranged on feeder assembly and completes compression action；In one prominent presser feet of presser feet body design
Head, firm fixes the position needing riveting by the pressure of small area.In presser feet main body, laser ranging component is installed, leads to
Cross laser range sensor, determine that riveting Surface Method is lost, feedback control operation.
In above-mentioned two technical scheme, all there is problems that, presser feet head is rigidity with the connection of presser feet, in riveting process
In cannot ensure between presser feet head and component perfection fit and eliminate the gap between presser feet head and component, riveting quality is had
Deleterious effect.
Content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of normal direction self adaptation presser feet machine of automatic drill riveter
Structure, by the flexible installing of presser feet head and presser feet base, realizes carrying out the micro tune of self adaptation with component surface when presser feet head is fitted
Whole, thus fitting completely with component surface.
Technical scheme is as follows：
A kind of normal direction self adaptation presser foot device of automatic drill riveter, including presser feet head and presser feet base, described presser feet head leads to
Cross at least one pair of pass through presser feet head connecting rod be connected with presser feet base, described connecting rod be respectively arranged at two ends with the first locking member with
Second locking member, between described presser feet head and the first locking member or at least one between presser feet base and the second locking member at be provided with bullet
Property part.
In technique scheme, by connecting rod by spacing for the presser feet head base in presser feet, pass through in connecting rod simultaneously
Locking member elastic component is compressed on presser feet head or presser feet base, realize the flexible connection of presser feet head and presser feet base, due to
The elastic force effect of elastic component, presser feet head can carry out small distance relative to connecting rod and move.When presser foot device passively pushes the tight structure of dynamic pressure
During part, presser feet head is fitted with component surface, by the reaction force of component.Due to presser feet head and presser feet base flexible assembly, pressure
Pin head self adaptation carries out micro adjustment, thus fitting completely with component surface, eliminating gap between component, improving stiffness of structural member,
Advantageously reduce deformation in drilling and riveting process for the component.Simultaneously by the elastic component of connecting rod one end it is ensured that presser feet head
Presser feet head is made to have micro rotary freedom while tight with presser feet floor installation.
In the further technical scheme of the present invention, described connecting rod is Elastic Bolts；The head of described Elastic Bolts
As the second locking member of presser feet base end, presser feet head end stop nut is as the first locking member.
The screw rod of Elastic Bolts is flexible big, can improve bolt strained situation, improves fatigue behaviour, so that presser foot device is being repeated
Impact effect under there is the longer life-span.Stop nut has superior resistance to shock, simultaneously wear-resistant and anti-shearing energy
Power is strong, and repeat performance is good.Suitably tighten elastic component with stop nut, that is, ensure presser feet head with presser feet floor installation closely,
Make presser feet head have micro rotary freedom again.Elastic Bolts and stop nut are with the use of not only increasing making of presser foot device
With the life-span moreover it is possible to strengthen the flexibility being connected between presser feet head and presser feet base.
Additionally, presser feet head is divided into hemispherical fixing body and cylindrical laminate；Described laminate is fixedly connected on the flat of fixing body
On face；Described presser feet base is provided with bowl-shape concave surface with the cooperation of hemispherical fixing body so that presser feet head and presser feet base contacts
Face is ball type of contact surface.
Fixing body is used for connect base, and laminate is used for contact pressed component.Hemispherical is permissible with the design of bowl-shape concave surface
Save space, simultaneously bowl-shape concave surface to hemispherical fixing body, there is effect of contraction, make being connected to not of presser feet head and presser feet base
More stable in the case of the self-adaptative adjustment of impact presser feet head.Preferably, cylindrical laminate is welded on hemispherical fixing body
Plane above, achieve a fixed connection.Preferably, described cylindrical laminate and hemispherical fixing body are alternatively integrally casting
Part.Preferably, cylindrical laminate is located at the geometric center of fixing body plane, makes presser feet head more steady when fitting component
Fixed.
Preferably, described elastic component is the ring-type shell fragment installed by a positive and a negative order.
Preferably, described elastic component is spring.
Compared with prior art, beneficial effects of the present invention are：Presser feet head and presser feet base adopt flexible assembly, presser feet head
Can self-adaptative adjustment, be more closely adjacent to component；Presser feet head installation simultaneously is easier.
Brief description
Fig. 1 is a kind of main sectional view of the normal direction self adaptation presser foot device of present invention automatic drill riveter；
Fig. 2 is a kind of presser feet head front view of the normal direction self adaptation presser foot device of present invention automatic drill riveter.
Wherein：1st, presser feet base；2nd, presser feet head；3rd, Elastic Bolts；4th, ring-type shell fragment；5th, stop nut；6th, fixing body；7、
Laminate；8th, installing hole.
Specific embodiment
Normal direction self adaptation pressure to a kind of invention automatic drill riveter with reference to the accompanying drawings and detailed description
Pin mechanism is described in further detail.
As shown in Figure 1 and Figure 2, the normal direction self adaptation presser foot device of a kind of automatic drill riveter, including presser feet head 2 and pressing sole
Seat 1, presser feet head 2 is attached by four Elastic Bolts 3 with presser feet base 1, and Elastic Bolts 3 pass through the installing hole 8 of presser feet head 2
With presser feet base 1, and it is respectively provided with three ring-type shell fragments in the end of Elastic Bolts 3.
It is one that presser feet head 2 is divided into hemispherical fixing body 6 and cylindrical laminate 7, cylindrical laminate 7 and hemispherical fixing body 6
Body cast member, cylindrical laminate 7 is located at the geometric center position of hemispherical fixing body 6；Presser feet base 1 is provided with to be installed with hemispherical
The bowl-shape concave surface of body 6 cooperation is so that presser feet head 2 is ball type of contact surface with presser feet base 1 contact surface, due to Elastic Bolts 3 diameter
Less than the installing hole 8 on presser feet head 2, therefore there is when presser feet head 2 is arranged on presser feet base 1 rotary freedom in three directions,
Ring-type shell fragment 4 is arranged on behind Elastic Bolts 3 end by a positive and a negative order, suitably tightens ring-type shell fragment 4 with stop nut 5,
Both ensured that presser feet head 2 and presser feet base 1 were installed closely, and made presser feet head 2 have micro rotary freedom again.
When presser foot device is promoted pressed component by cylinder, presser feet head 2 is fitted with component surface, by the reaction of component
Power.Due to presser feet head 2 and presser feet base 1 flexible assembly, presser feet head 2 self adaptation carries out micro adjustment, thus complete with component surface
Full laminating, eliminates gap between component, improves stiffness of structural member, advantageously reduces deformation in drilling and riveting process for the component.
The foregoing is only the preferable implementation example of the present invention, be not limited to the present invention, all the present invention spirit and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (8)
1. the normal direction self adaptation presser foot device of a kind of automatic drill riveter, including presser feet head and presser feet base it is characterised in that：Described
Presser feet head is connected with presser feet base by the connecting rod that at least one pair of passes through presser feet head, and described connecting rod is respectively arranged at two ends with first
Locking member and the second locking member, between described presser feet head and the first locking member or at least one between presser feet base and the second locking member
Place is provided with elastic component.
2. normal direction self adaptation presser foot device as claimed in claim 1 it is characterised in that：Described connecting rod is Elastic Bolts；
, as the second locking member of presser feet base end, presser feet head end stop nut is as the first locking for the head of described Elastic Bolts
Part.
3. normal direction self adaptation presser foot device as claimed in claim 1 it is characterised in that：Described presser feet head is divided into hemispherical to pacify
Dress body and cylindrical laminate；Described presser feet base is provided with the bowl-shape concave surface with the cooperation of hemispherical fixing body.
4. normal direction self adaptation presser foot device as claimed in claim 3 it is characterised in that：Described cylindrical laminate is welded on half
In the plane of spherical fixing body.
5. normal direction self adaptation presser foot device as claimed in claim 3 it is characterised in that：Described cylindrical laminate and hemispherical
Fixing body is integrated cast member.
6. normal direction self adaptation presser foot device as claimed in claim 3 it is characterised in that：Described cylindrical laminate is located to be installed
The geometric center of body plane.
7. normal direction self adaptation presser foot device as claimed in claim 1 it is characterised in that：Described elastic component is by a positive and a negative
The ring-type shell fragment that order is installed.
8. normal direction self adaptation presser foot device as claimed in claim 1 it is characterised in that：Described elastic component is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022311.3A CN106424521B (en) | 2016-11-16 | 2016-11-16 | A kind of normal direction adaptive presser foot device of automatic drill riveter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022311.3A CN106424521B (en) | 2016-11-16 | 2016-11-16 | A kind of normal direction adaptive presser foot device of automatic drill riveter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424521A true CN106424521A (en) | 2017-02-22 |
| CN106424521B CN106424521B (en) | 2018-05-22 |
Family
ID=58221721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611022311.3A Active CN106424521B (en) | 2016-11-16 | 2016-11-16 | A kind of normal direction adaptive presser foot device of automatic drill riveter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424521B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3729801A (en) * | 1970-06-18 | 1973-05-01 | Rohr Industries Inc | Nutplate riveting device and method |
| US4192058A (en) * | 1977-10-11 | 1980-03-11 | The Boeing Company | High fatigue slug squeeze riveting process using fixed upper clamp and apparatus therefor |
| CN201676992U (en) * | 2010-03-29 | 2010-12-22 | 新昌县科贸实业有限公司 | Riveting machine |
| CN105728630A (en) * | 2016-02-24 | 2016-07-06 | 浙江大学 | Pressure foot unit of automatic drilling and riveting machine |
-
2016
- 2016-11-16 CN CN201611022311.3A patent/CN106424521B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3729801A (en) * | 1970-06-18 | 1973-05-01 | Rohr Industries Inc | Nutplate riveting device and method |
| US4192058A (en) * | 1977-10-11 | 1980-03-11 | The Boeing Company | High fatigue slug squeeze riveting process using fixed upper clamp and apparatus therefor |
| CN201676992U (en) * | 2010-03-29 | 2010-12-22 | 新昌县科贸实业有限公司 | Riveting machine |
| CN105728630A (en) * | 2016-02-24 | 2016-07-06 | 浙江大学 | Pressure foot unit of automatic drilling and riveting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424521B (en) | 2018-05-22 |
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