CN113245500A - Low-frequency vibration auxiliary riveting device and using method thereof - Google Patents
Low-frequency vibration auxiliary riveting device and using method thereof Download PDFInfo
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- CN113245500A CN113245500A CN202110568812.6A CN202110568812A CN113245500A CN 113245500 A CN113245500 A CN 113245500A CN 202110568812 A CN202110568812 A CN 202110568812A CN 113245500 A CN113245500 A CN 113245500A
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- connecting plate
- insert
- riveting
- top iron
- frequency vibration
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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
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a low-frequency vibration assisted riveting device and a using method thereof, wherein the low-frequency vibration assisted riveting device comprises: the device comprises a base, a hydraulic cylinder, a punch, a first top iron, a second top iron, an inserting piece and a screwing piece; the hydraulic cylinder drives the punch to punch the rivet, and the base is detachably provided with a first top iron or a second top iron; the contact surface of the first top iron and the connecting plate is provided with a positioning groove which is arranged downwards, and a conical bulge is arranged upwards along the edge of the positioning groove; the insert is inserted into the reserved through hole of the connecting plate and fixed on the connecting plate through the screwing piece, the insert is provided with a through hole, the screwing piece is provided with a stepped threaded hole, the through hole and the stepped threaded hole are respectively provided with a second chamfer and a first chamfer, the rivet is limited through the first chamfer and the second chamfer after being riveted, and the loaded end faces of the insert and the screwing piece after being riveted are planes. The invention has the beneficial effects that: the forming process is simple, the riveting quality is good, the operation is convenient, the structure is stable, and the fatigue resistance is good.
Description
Technical Field
The invention relates to a mechanical connection mode, in particular to a low-frequency vibration auxiliary riveting device and a using method thereof.
Background
The riveting is to form an upset head by utilizing the upsetting deformation of the rivet rod, and finally realize the connection of plates. The riveting technology is widely applied to the aerospace field, and compared with other connection modes, the riveting technology has the advantages of simple process, firm connection and the like.
Common riveting modes at present comprise common riveting, electromagnetic riveting, ultrasonic vibration assisted riveting and the like. The common riveting is widely applied to parts without special requirements in a machine body, but stable and uniform interference fit is difficult to form, and the defects of cracks and the like are easy to occur in the riveting process of materials, composite materials and large-size rivets which are difficult to form; the electromagnetic riveting forming rate is high, stable and uniform interference fit can be formed, the technical problems of common riveting are solved, but most of heat converted from plastic work in the electromagnetic riveting process cannot be dissipated in microsecond-level forming time, a heat-insulating shear band is formed in the material, and even shear damage can be generated; the ultrasonic vibration assisted riveting has the advantages of low riveting pressure, uniform distribution of interference amount along the nail rod, stable and firm riveting structure and good fatigue resistance, but the ultrasonic vibration equipment has low power and is difficult to form high-strength or large-diameter rivets.
Therefore, the riveting method which is convenient to operate, simple in forming process and good in riveting quality needs to be researched by referring to the existing riveting forming method.
Disclosure of Invention
The invention aims to provide a low-frequency vibration auxiliary riveting device and a using method thereof, and aims to solve the problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a low frequency vibration assisted riveting apparatus comprising: the device comprises a base, a hydraulic cylinder, a punch, a first top iron, a second top iron, an inserting piece and a screwing piece; the hydraulic cylinder drives the punch to punch the rivet, and the base is detachably provided with a first top iron or a second top iron; the contact surface of the first top iron and the connecting plate is provided with a positioning groove which is arranged downwards, a conical bulge is arranged upwards along the edge of the positioning groove, and the contact surface of the second top iron and the connecting plate is a plane; the insert inserts the reservation through-hole of connecting plate, through it fixes on the connecting plate to revolve wrong piece, the insert is provided with the through-hole, it is provided with the ladder screw hole to revolve wrong piece, through-hole and ladder screw hole are provided with second chamfer and first chamfer respectively, the rivet is riveted the back and is passed through first chamfer and second chamfer are spacing, and the riveting back the insert with revolve wrong piece by loaded terminal surface be the plane, the rigidity that the insert was revolved wrong piece is greater than the rigidity of rivet, the insert with revolve wrong piece and do not warp at the riveting in-process.
In an alternative embodiment, the connecting plate comprises an upper connecting plate and a lower connecting plate, and the upper connecting plate and the lower connecting plate are bonded.
In an alternative embodiment, the portion of the insert that penetrates out of the connecting plate is provided with an external thread, and the external thread is screwed with an internal thread of the stepped threaded hole of the screwing piece.
In an alternative embodiment, an elastic sleeve is arranged between the insert and the connecting plate along the axial direction, and the elastic sleeve is arranged in the reserved through hole.
In an alternative embodiment, a second spacer is arranged between the insert and the upper connecting plate along the radial direction; and a first gasket is arranged between the screwing piece and the lower connecting plate along the radial direction.
In an alternative embodiment, the end faces of the insert and the screw are provided with a plurality of screw grooves.
In an alternative embodiment, the upper connecting plate and the lower connecting plate are connected through more than two inserting pieces and screwing pieces, and the number of the rivets is equal to that of the reserved through holes.
In an alternative embodiment, the initial state of the rivet is cylindrical.
In an optional embodiment, the electro-hydraulic servo hydraulic system of the hydraulic cylinder and the low-frequency vibration experiment equipment can realize the low-frequency vibration of the punch within the frequency of 0-50 Hz and the amplitude range of 0-0.5 mm.
In another aspect, the present invention further provides a method for using the low frequency vibration assisted riveting device, including the following steps:
step 1, pre-bonding an upper connecting plate and a lower connecting plate, and correspondingly aligning the reserved through holes of more than two upper connecting plates and lower connecting plates;
and 6, repeating the steps to finish riveting other reserved through holes.
The invention has the beneficial effects that:
1. the low-frequency vibration auxiliary riveting device and the method are suitable for connecting steel, aluminum alloy and titanium alloy, particularly carbon fiber composite material plates, the rivets can be aluminum alloy and titanium alloy rivets, the manufacturing cost is low, the forming process is simple, the riveting quality is good, the operation is convenient, the noise is low, the production efficiency is high, the interference amount can be improved by 30% compared with that of a common riveting mode, the structure is stable, and the fatigue resistance is good.
2. The low-frequency vibration auxiliary riveting device is characterized in that the lower end of.
3. The low-frequency vibration auxiliary riveting device provided by the invention adopts the first top iron and the second top iron which are specially designed, and is matched with the screwing piece and the inserting piece, so that the rest positions of the rivet except two ends are not deformed, and the end surfaces of the screwing piece and the inserting piece are formed into a plane after the riveting is finished, the rivet is prevented from extending out additionally, the problem that other people are accidentally injured by a connecting plate in the using process is solved, and the use safety of the connecting plate is improved. It should be noted that the technical effect is achieved by adopting the structure that the conical bulge and the chamfer are matched.
Drawings
FIG. 1 is a schematic view of the overall structure of a low-frequency vibration-assisted riveting apparatus according to the present invention;
FIG. 2 is a top view of two webs of the present invention after riveting is complete;
FIG. 3 is a sectional view taken along line A-A of FIG. 2 according to the present invention;
FIG. 4 is an anatomical view of a riveted joint of the invention with two webs unfulfilled;
FIG. 5 is a schematic view of the two connection plates of the present invention being pressed tightly by two supporting irons;
FIG. 6 is a schematic view of the two webs of the present invention being riveted together;
FIG. 7 is an exploded view of the clinch member of the present invention with the two webs un-clinched.
Description of the reference numerals
1 upper junction plate, 2 lower junction plates, 3 inserts, 4 revolve and twist piece, 5 second gaskets, 6 elastic sleeve, 7 first gaskets, 8 second chamfers, 9 first chamfers, 10 rivets, 11 first back iron, 12 positioning groove, 13 toper arch, 14 second back iron, 15 reservation through-holes, 16 revolve and twist the recess, 17 bases, 18 drift, 19 pneumatic cylinders.
Detailed Description
A method and apparatus for low frequency vibration assisted riveting according to the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1-7, the present embodiment provides a low frequency vibration assisted riveting apparatus, including: a base 17, a hydraulic cylinder 19, a punch 18, a first top iron 11, a second top iron 14, an insert 3 and a screw 4; wherein, the hydraulic cylinder 19 drives the punch 18 to punch the rivet 10, and the base 17 is detachably provided with a first top iron 11 or a second top iron 14; the contact surface of the first top iron 11 and the connecting plate is provided with a positioning groove 12 which is arranged downwards, the edge of the positioning groove 12 is provided with a conical bulge 13 upwards, and the contact surface of the second top iron 14 and the connecting plate is a plane; the insert 3 is inserted into the reserved through hole 15 of the connecting plate and fixed on the connecting plate through the screwing piece 4, the insert 3 is provided with a through hole, the screwing piece 4 is provided with a stepped threaded hole, the through hole and the stepped threaded hole are respectively provided with a second chamfer 8 and a first chamfer 9, the rivet 10 is limited through the first chamfer 9 and the second chamfer 8 after being riveted, the loaded end faces of the insert 3 and the screwing piece 4 after being riveted are planes, the rigidity of the insert 3 and the screwing piece 4 is larger than that of the rivet 10, and the insert 3 and the screwing piece 4 are not deformed in the riveting process. In the riveting process, the rivet 10 is not in contact with the connecting plate, so that the riveting quality is ensured, and the connecting plate can be prevented from being deformed or damaged.
Specifically, the connecting plates comprise an upper connecting plate 1 and a lower connecting plate 2, the upper connecting plate 1 and the lower connecting plate 2 are bonded, and initial stability of the two connecting plates is guaranteed in the process of starting installation of the inserting piece 3 and the screwing piece 4. Specifically, the part of the insert 3 penetrating out of the connecting plate is provided with an external thread which is screwed with an internal thread of the stepped threaded hole of the screwing piece 4. An elastic sleeve 6 is arranged between the insert 3 and the connecting plate along the axial direction, and the elastic sleeve 6 is arranged in the reserved through hole 15. A second gasket 5 is arranged between the insert 3 and the upper connecting plate 1 along the radial direction; a first spacer 7 is arranged radially between the screw element 4 and the lower connecting plate 2. It should be noted that the elastic sleeve 6, the second gasket 5 and the first gasket 7 ensure the waterproof performance of the connecting plate in the use process.
Further, the end surfaces of the insert 3 and the screw 4 are provided with a plurality of screw grooves 16, so that the mounting is convenient and the operation is simple. The upper connecting plate 1 and the lower connecting plate 2 are connected through more than two inserting pieces 3 and screwing pieces 4, and the number of the rivets 10 is equal to that of the reserved through holes 15. Preferably, the number of inserts 3 and screws 4 is two or three. In addition, the initial state position of rivet 10 is the cylinder type, is applicable to steel, aluminum alloy and titanium alloy, especially the connection of carbon-fibre composite material board, and rivet 10 can be aluminum alloy and titanium alloy rivet, low in manufacturing cost, and forming process is simple, and the riveting is of high quality, convenient operation, and the noise is little, and production efficiency is high, compares in ordinary riveting mode interference volume and can improve 30%, stable in structure, and fatigue resistance can be good.
Particularly, the electro-hydraulic servo hydraulic system of the hydraulic cylinder 19 and the low-frequency vibration experimental equipment can realize the low-frequency vibration of the punch 18 within the frequency of 0-50 Hz and the amplitude range of 0-0.5 mm. The low-frequency vibration is generated by acquiring load displacement data in time through a high-performance load and displacement sensor, tracking and carrying out closed-loop control on the displacement and the load of the hydraulic cylinder in real time by using a JETTER controller and a PID control algorithm, calculating and sending a feedback signal; the current signal is amplified and then transmitted to the coil of the electro-hydraulic servo valve to generate a magnetic field to enable the armature to rotate and drive the baffle and the valve body to move, so that the flow of the servo valve is accurately controlled, and the piston and the punch of the hydraulic cylinder achieve preset vibration.
In another embodiment, a method for using the low-frequency vibration assisted riveting device is provided, which comprises the following steps:
step 1, pre-bonding an upper connecting plate 1 and a lower connecting plate 2, and correspondingly aligning reserved through holes 15 of more than two upper connecting plates 1 and lower connecting plates 2;
and 6, repeating the steps to finish riveting other reserved through holes 15.
It should be noted that, in the method, the insert 3 and the screwing piece 4 are pre-connected, wherein the connection rigidity of the insert 3 and the screwing piece 4 is far greater than that of the rivet, the insert 3 and the screwing piece 4 are not deformed in the riveting process, and the rivet is not contacted with the connecting plate 10 in the riveting process, so that the riveting quality is ensured, and the connecting plate can be prevented from being deformed or damaged. In addition, the specially designed first top iron 11 and second top iron 14 are adopted to match with the screwing piece 3 and the inserting piece 4, so that the rest positions of the rivet 10 except the two ends are not deformed, the end faces of the screwing piece 3 and the inserting piece 4 are made to be flat after riveting is completed, the rivet 10 is prevented from extending extra, the problem that other people are accidentally injured by the connecting plate in the using process is solved, and the using safety of the connecting plate is improved. It should be noted that the above technical effect is achieved by adopting the structure that the conical projection 13 is matched with the chamfer.
It is to be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention and to explain the working steps, but the present invention is not limited thereto. Various modifications and improvements made on the basis of the present invention are considered to be within the scope of the present invention.
Claims (10)
1. A low frequency vibration assisted riveting apparatus comprising: the device comprises a base (17), a hydraulic cylinder (19), a punch (18), a first top iron (11), a second top iron (14), an insert (3) and a screwing piece (4); the hydraulic cylinder (19) drives the punch (18) to punch the rivet (10), and a first top iron (11) or a second top iron (14) is detachably mounted on the base (17);
the device is characterized in that a positioning groove (12) arranged downwards is formed in the contact surface of the first top iron (11) and the connecting plate, a conical protrusion (13) is arranged upwards along the edge of the positioning groove (12), and the contact surface of the second top iron (14) and the connecting plate is a plane; insert (3) insert reserve through-hole (15) of connecting plate, through revolve wrong piece (4) and fix on the connecting plate, insert (3) are provided with the through-hole, it is provided with the ladder screw hole to revolve wrong piece (4), through-hole and ladder screw hole are provided with second chamfer (8) and first chamfer (9) respectively, rivet (10) riveting back is passed through first chamfer (9) and second chamfer (8) are spacing, the riveting back insert (3) and the loaded terminal surface of revolving wrong piece (4) are the plane, insert (3) and the rigidity of revolving wrong piece (4) are greater than the rigidity of rivet (10), insert (3) and revolving wrong piece (4) are indeformable at the riveting in-process.
2. A low frequency vibration assisted riveting apparatus according to claim 1, wherein the connecting plate comprises an upper connecting plate (1) and a lower connecting plate (2), the upper connecting plate (1) and the lower connecting plate (2) being bonded.
3. A low frequency vibration assisted riveting apparatus according to claim 2, wherein the part of the insert (3) penetrating the connecting plate is provided with an external thread which is screwed with an internal thread of the stepped threaded hole of the screw (4).
4. A device for low-frequency vibration-assisted riveting according to claim 3, wherein an elastic sleeve (6) is arranged between the insert (3) and the connecting plate in the axial direction, the elastic sleeve (6) being placed in the reserved through hole (15).
5. A device for low frequency vibration assisted riveting according to claim 4, wherein a second gasket (5) is arranged radially between the insert (3) and the upper connecting plate (1); a first gasket (7) is arranged between the screwing piece (4) and the lower connecting plate (2) along the radial direction.
6. A device for low frequency vibration assisted riveting according to claim 5, wherein the end faces of the insert (3) and the screw (4) are provided with a plurality of screw grooves (16).
7. A device for riveting with assistance by low frequency vibrations according to claim 6, characterized in that the upper and lower connection plates (1, 2) are connected by means of two or more inserts (3) and screws (4), the number of rivets (10) being equal to the number of through-holes (15).
8. A device for low frequency vibration assisted riveting according to claim 6, wherein the initial state of the rivet (10) is cylindrical.
9. The device for riveting with assistance of low-frequency vibration according to claim 1, wherein an electro-hydraulic servo hydraulic system of the hydraulic cylinder (19) and low-frequency vibration experimental equipment can realize low-frequency vibration of the punch (18) within the range of 0-50 Hz frequency and 0-0.5 mm amplitude.
10. A method of using a low frequency vibration assisted riveting apparatus as defined in claims 1-9 comprising the steps of:
step 1, pre-bonding an upper connecting plate (1) and a lower connecting plate (2), and correspondingly aligning reserved through holes (15) of more than two upper connecting plates (1) and lower connecting plates (2);
step 2, after the elastic sleeve (6), the first gasket (7) and the second gasket (5) are placed at the correct positions, the inserting piece (3) is inserted into the reserved through hole (15) to expose the external thread, and then the internal thread of the screwing piece (4) is screwed with the external thread of the inserting piece (3) by using a tool;
step 3, mounting the first top iron (11) on the upper surface of the base (17), placing the connecting plate on the first top iron (11), and inserting the conical protrusion (13) of the first top iron (11) into the first chamfer (19) of the first top iron (11) to enable the small hole of the stepped threaded hole of the screwing piece (4) to be cylindrical as a whole;
step 4, the rivet (10) sequentially penetrates through the through hole of the inserting piece (3) and the small hole of the stepped threaded hole of the screwing piece (4) and is positioned in the positioning groove (12) of the first top iron (11), wherein the diameters of the through hole, the small hole of the stepped threaded hole and the positioning groove (12) are equal to the diameter of the rivet (10); starting a hydraulic cylinder (19) to drive a punch (18), and carrying out loading riveting on the rivet (10) by adopting a low-frequency vibration mode with the frequency of 0-50 Hz and the amplitude range of 0-0.5 mm until the loading end of the rivet (10) is filled with the second chamfer (8) of the insert (3), so that the loading surface of the insert (3) is a plane; the system comprises a high-performance load and displacement sensor, a JETTER controller, a PID control algorithm, a hydraulic cylinder (19), a controller and a controller, wherein the high-performance load and displacement sensor is used for acquiring load displacement data in time, tracking the displacement and the load of the hydraulic cylinder (19) in real time and controlling the displacement and the load in a closed loop mode by using the; the current signal is amplified and then transmitted to a coil of the electro-hydraulic servo valve to generate a magnetic field to enable the armature to rotate and drive the baffle and the valve body to move, so that the flow of the servo valve is accurately controlled, and the piston of the hydraulic cylinder (19) and the punch (18) achieve preset low-frequency vibration;
step 5, turning over the connecting plate, detaching the first top iron (11), installing the second top iron (14), installing the surface of the insert (3) loaded as a plane in contact with the plane of the second top iron (14), starting the hydraulic cylinder (19) again to drive the punch (18), continuously carrying out loading riveting on the other end of the rivet (10) by adopting a low-frequency vibration mode with the frequency of 0-50 Hz and the amplitude range of 0-0.5 mm until the loading end of the rivet (10) is filled with the first chamfer (9) of the screwing piece (4), and enabling the loading surface of the screwing piece (4) to be a plane;
and 6, repeating the steps to finish riveting other reserved through holes (15).
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CN113245500B CN113245500B (en) | 2022-02-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114918361A (en) * | 2022-06-06 | 2022-08-19 | 山东大学 | Low-frequency auxiliary self-piercing riveting device and riveting method using same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010059744A (en) * | 1999-12-30 | 2001-07-06 | 이계안 | Riveted joint apparatus of vehicle |
JP2004025324A (en) * | 2002-06-24 | 2004-01-29 | Honda Motor Co Ltd | Chamfering tool for rivet hole |
CN202387909U (en) * | 2011-11-22 | 2012-08-22 | 安徽中鼎减震橡胶技术有限公司 | Riveting tool for suspended aluminum product of automobile engine |
CN106837966A (en) * | 2015-10-19 | 2017-06-13 | 凯瑟雷恩工厂两合公司 | The installation method that expansive rivet is connected and expansive rivet is connected |
CN107876685A (en) * | 2017-11-14 | 2018-04-06 | 山东大学 | A kind of ultrasonic vibration auxiliary clinching method and its application process |
-
2021
- 2021-05-25 CN CN202110568812.6A patent/CN113245500B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010059744A (en) * | 1999-12-30 | 2001-07-06 | 이계안 | Riveted joint apparatus of vehicle |
JP2004025324A (en) * | 2002-06-24 | 2004-01-29 | Honda Motor Co Ltd | Chamfering tool for rivet hole |
CN202387909U (en) * | 2011-11-22 | 2012-08-22 | 安徽中鼎减震橡胶技术有限公司 | Riveting tool for suspended aluminum product of automobile engine |
CN106837966A (en) * | 2015-10-19 | 2017-06-13 | 凯瑟雷恩工厂两合公司 | The installation method that expansive rivet is connected and expansive rivet is connected |
CN107876685A (en) * | 2017-11-14 | 2018-04-06 | 山东大学 | A kind of ultrasonic vibration auxiliary clinching method and its application process |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114918361A (en) * | 2022-06-06 | 2022-08-19 | 山东大学 | Low-frequency auxiliary self-piercing riveting device and riveting method using same |
CN114918361B (en) * | 2022-06-06 | 2023-08-22 | 山东大学 | Low-frequency auxiliary self-piercing riveting device and riveting method using same |
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