CN109261881A - High speed nailing attachment device and connection method - Google Patents
High speed nailing attachment device and connection method Download PDFInfo
- Publication number
- CN109261881A CN109261881A CN201811275960.3A CN201811275960A CN109261881A CN 109261881 A CN109261881 A CN 109261881A CN 201811275960 A CN201811275960 A CN 201811275960A CN 109261881 A CN109261881 A CN 109261881A
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- China
- Prior art keywords
- cylinder
- coil
- hole
- high speed
- attachment device
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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
- B21J15/10—Riveting machines
- B21J15/105—Portable riveters
-
- 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
- B21J15/24—Drives for riveting machines; Transmission means therefor operated by electro-magnets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
Abstract
The present invention relates to a kind of high speed nailing attachment device and connection methods, including shell, cylinder inside the shell is set, cylinder is vertically arranged, cylinder upper end connected with outer casing inner top, coil is from top to bottom disposed in cylinder, drive piece, formed punch, coil lower end is fitted closely with driving piece, the formed punch includes jumper bar, jumper bar upper end is provided with the rotary table of the coaxial heart, rotary table leans with driving piece, jumper bar lower end in the middle part of cylinder lower end by being pierced by, jumper bar lower end surface is provided with magnetic medium, outer casing underpart is provided with the punching passed through conducive to jumper bar lower end, spring is arranged on jumper bar, spring upper end is against rotary table, lower spring end is against cylinder, the present apparatus is by the way of electromagnetism power drive, curring time is short, connecting relay and connection energy can be adjusted by one-parameter and realize accurate control, realize the self-piercing riveting under different condition, Simple process, it is easy to accomplish the production of automation.
Description
Technical field
The present invention relates to a kind of high speed nailing attachment device and connection methods, are related to automobile mechanical interconnection technique field.
Background technique
Attention with the fast development and countries in the world of automobile industry to energy source of car consumption and exhaust emissions, vapour
Vehicle lightweight has become following development trend.The ratio that white body accounts for about vehicle total weight greatly increases, therefore various novel
Lightweighting materials application, such as high-strength steel, aluminium alloy, fibrous composite, become the important means of body lightening.Tradition
The connection types such as resistance spot welding, MIG weldering be difficult to ensure the quality of connection of light metal or dissimilar metal.And high speed nailing riveting conduct
One kind of vehicle body interconnection technique has the characteristics that intensity is good, high-efficient, at low cost for aluminium-aluminium, the connection of steel-constructed of aluminium, and
It is able to achieve single side connection, batch application is in the vehicle body connection of some automobiles, with the development of body lightening trend, this
Kind interconnection technique has wide development space.Existing high speed nailing riveting technology is to accelerate piston striker by compressed air
Rivet is hit, the speed for keeping rivet high is pushed down into workpiece.Due to the effect of inertia, rivet can not cause part overall deformation
Under conditions of realize sheet part connection.
It is riveted although existing high speed nailing riveting equipment can complete high speed nailing under different condition, the power of equipment
Source is still mainly using traditional air pressure, so that the room for promotion of riveted joint performance is limited after rivet forming, forming technology
There is certain limitation.
Summary of the invention
The present invention proposes a kind of high speed nailing attachment device and connection method.
The solution adopted by the present invention to solve the technical problem is that a kind of high speed nailing attachment device, including shell, setting exist
Cylinder in shell, cylinder are vertically arranged, cylinder upper end connected with outer casing inner top, are from top to bottom set gradually in cylinder wired
Circle, driving piece, formed punch, coil lower end are fitted closely with driving piece, and the formed punch includes jumper bar, and jumper bar upper end is provided with same with it
The rotary table in axle center, rotary table lean with driving piece, and rotary table diameter is equal with the driving diameter of piece, and jumper bar lower end is by cylinder lower end
Portion is pierced by, and jumper bar lower end surface is provided with magnetic medium, and outer casing underpart is provided with the punching passed through conducive to jumper bar lower end, covers on jumper bar
Equipped with spring, spring upper end is against rotary table, and lower spring end is against cylinder.
Further, the cylinder upper and lower side is not closed, and cylinder lower end is provided with backing plate, and setting is conducive to punching in the middle part of backing plate
What bar passed through has through-hole, and lower spring end is against backing plate, and coil upper end is against shell.
Further, cylinder upper end periphery is provided with flange, and connecting screw hole A, shell upper side are evenly distributed on flange
It is correspondingly arranged on the connection through-hole A matched with connecting screw hole A, cylinder is worn connection through-hole A and connect with connecting screw hole spiral shell A
Fixing screws are locked inside the shell, and backing plate periphery is evenly distributed in connection through-hole B, and cylinder lower end is correspondingly arranged on and connect through-hole
The connecting screw hole B that B is matched, backing plate are worn connection through-hole B and are locked at cylinder with the connecting screw hole B lock-screw being spirally connected
On.
Further, flange periphery is disposed radially the cable-through hole A of a connection inner barrel, shell periphery be provided with
The cable-through hole B that cable-through hole A is matched, two terminals of coil pass sequentially through cable-through hole A, cable-through hole B extraction.
Further, the shell includes the upper housing being mutually spirally connected, lower case, and cylinder is mounted in upper housing, punching
It is arranged in the middle part of lower case lower end, cable-through hole B is arranged in upper housing upper periphery.
Further, upper housing upper end is provided with handle, and lower case periphery is provided with handle.
Further, the driving piece is cylindrical copper body, drives piece and formed punch according to can be in cylinder along axial cunning
It is dynamic.
Further, the coil is the circular disk for being tied with copper wire, is drawn in the outermost layer of coil there are two terminals, one
It holds the anode of power-supply system to be connected, is connected with the cathode of power-supply system.
Further, the power-supply system includes capacitor, power supply, and capacitor is controlled to a power supply through transformer, capacitor
Device is connected with coil, and charge switch, rectifier and current-limiting resistance are provided in the connection line between capacitor and transformer,
Discharge switch, charge switch, discharge switch connection switch control cabinet are provided in connection line between capacitor and coil.
A kind of connection method of high speed nailing attachment device:
Step 1: according to energy required in connection procedure and power, determining the discharge voltage size of power-supply system, predeterminated voltage, and
Nailing is placed on to the lower section of formed punch；
Step 2: being closed charge switch by switch control box and charge to capacitor group, until charging terminates；
Step 3: being closed discharge switch by switch control box, discharge coil, so that generating strong around hot-wire coil
Pulsed magnetic field, driving piece can generate vortex close to the side of coil under the action of the magnetic field, drive the vortex in piece by line
The strong effect for enclosing magnetic field leads to that electromagnetic repulsive force can be generated between coil and driving piece, and driving piece is downward under that force
Movement；
Step 4: the driving piece moved downward pushes formed punch to move down rapidly, and spring is compressed, and the formed punch moved down at a high speed, which acts on, to be penetrated
Nail, nailing passes through the top plate for needing to connect and low layer plate completes connection；
Step 5: compressed recoil of spring makes that piece and formed punch is driven to reset rapidly after the completion of connection, for connection next time
It prepares.
Compared with prior art, the invention has the following advantages: structure is simple, design rationally, is driven using electromagnetic force
Dynamic mode, curring time is short (Millisecond), and the load of such high-speed reduces the deformation of connected part, improve at
Form quality amount；Accurate control can be realized by one-parameter (such as voltage) by connecting relay and connection energy, be realized under different condition
Self-piercing riveting, simple process, it is easy to accomplish the production of automation.
Detailed description of the invention
The invention patent is further illustrated with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the present apparatus；
Fig. 2 is the structural schematic diagram of upper housing；
Fig. 3 is the structural schematic diagram of lower case；
Fig. 4 is the structural schematic diagram of cylinder；
Fig. 5 is the structural schematic diagram of jumper bar；
Fig. 6 is the structural schematic diagram of power-supply system.
In figure:
1- fixing screws；2- upper housing；201- connection through-hole A；202- cable-through hole B；203- internal screw thread；204- handle；3- coil；
4- drives piece；5- formed punch；501- rotary table；502- jumper bar；6- cylinder；601- coil placing groove；602- connecting screw hole A；603- method
It is blue；604- cable-through hole A；605- installation cavity；606- connecting screw hole B；7- spring；8- lock-screw；9- backing plate；10- lower case；
1001- column portion；The tapering 1002-；1003- punching；1004- guide sleeve portion；1005- handle；1006- external screw thread；11- nailing；The top 12-
Laminate；13- bottom plate；14- capacitor group；15- transformer；16- power supply；17- rectifier；18- current-limiting resistance；19- charging is opened
It closes；20- control cabinet；21- discharge switch.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in figures 1 to 6, a kind of high speed nailing attachment device, including shell, are arranged cylinder inside the shell, and cylinder is vertical
It is arranged, cylinder upper end connected with outer casing inner top, coil, driving piece, formed punch, coil lower end is from top to bottom disposed in cylinder
It is fitted closely with driving piece, the formed punch includes jumper bar, and jumper bar upper end is provided with the rotary table of the coaxial heart, rotary table and driving piece
It leans, rotary table diameter is equal with the driving diameter of piece, and by being pierced by the middle part of cylinder lower end, formed punch lower end surface is provided with for jumper bar lower end
Magnetic medium, such as jumper bar lower end are embedded with magnet, pass through to adsorb nailing outer casing underpart and to be provided with conducive to jumper bar lower end
Punching is arranged with spring on jumper bar, and spring upper end is against rotary table, and lower spring end is against cylinder.
In the present embodiment, the one side of coil is fitted closely with driving piece, can to generate in driving piece as big as possible
Inductive loop, and then generate big electromagnetic repulsive force, can also improve capacity usage ratio；The another side and shell of coil paste
It closes, so that coil is pressed in cylinder.
In the present embodiment, middle part setting is installed for accommodating the installation cavity of coil, driving piece, formed punch in cylinder upper end
The coil placing groove of chamber top setting installation coil.
In the present embodiment, the cylinder upper and lower side is not closed, and cylinder lower end is provided with backing plate, setting benefit in the middle part of backing plate
There is through-hole in what jumper bar passed through, lower spring end is against backing plate, and coil upper end is against shell.
In the present embodiment, cylinder upper end periphery is provided with flange, is evenly distributed in connecting screw hole A on flange, on shell
Side is correspondingly arranged on the connection through-hole A matched with connecting screw hole A, cylinder worn connection through-hole A and with connecting screw hole spiral shell A
Inside the shell, backing plate periphery is evenly distributed in connection through-hole B, and cylinder lower end is correspondingly arranged on and connects for the fixing screws locking connect
The connecting screw hole B that through-hole B is matched, backing plate are worn connection through-hole B and are locked at cylinder with the connecting screw hole B lock-screw being spirally connected
On body.
In the present embodiment, flange periphery is disposed radially the cable-through hole A of a connection inner barrel, the setting of shell periphery
There is the cable-through hole B matched with cable-through hole A, two terminals of coil pass sequentially through cable-through hole A, cable-through hole B extraction.
In the present embodiment, the shell includes the upper housing being mutually spirally connected, lower case, and cylinder is mounted in upper housing,
Punching is arranged in the middle part of lower case lower end, and cable-through hole B is arranged in upper housing upper periphery.
In the present embodiment, upper housing is the not closed circle-shaped shell in lower end, and lower end is provided with internal screw thread, lower case
The not closed shell in upper end, lower case are from top to bottom disposed with column portion, up big and down small tapering, guide sleeve portion, punching setting
Middle part is connected to shell inside and outside in guide sleeve portion, and external screw thread is arranged in column portion upper end periphery, and column portion is spirally connected with upper housing.
In the present embodiment, upper housing upper end is provided with handle, and lower case periphery is provided with handle.
In the present embodiment, the driving piece is cylindrical copper body, drives piece and formed punch according to can be in cylinder along axis
To sliding.
In the present embodiment, the coil is the circular disk for being tied with copper wire, is drawn in the outermost layer of coil there are two wiring
The anode at end, one end power-supply system is connected, and is connected with the cathode of power-supply system.
In the present embodiment, the power-supply system includes capacitor, power supply, and capacitor is controlled to a power supply through transformer,
Capacitor is connected with coil, and charge switch, rectifier and current limliting are provided in the connection line between capacitor and transformer
Resistance is provided with discharge switch, charge switch, the control of discharge switch connection switch in the connection line between capacitor and coil
Case.
A kind of connection method of high speed nailing attachment device:
Step 1: according to energy required in connection procedure and power, determining the discharge voltage size of power-supply system, predeterminated voltage, and
Nailing is placed on to the lower section of formed punch；
Step 2: being closed charge switch by switch control box and charge to capacitor group, until charging terminates；
Step 3: being closed discharge switch by switch control box, discharge coil, so that generating strong around hot-wire coil
Pulsed magnetic field, driving piece can generate vortex close to the side of coil under the action of the magnetic field, drive the vortex in piece by line
The strong effect for enclosing magnetic field leads to that electromagnetic repulsive force can be generated between coil and driving piece, and driving piece is downward under that force
Movement；
Step 4: the driving piece moved downward pushes formed punch to move down rapidly, and spring is compressed, and the formed punch moved down at a high speed, which acts on, to be penetrated
Nail, nailing passes through the top plate for needing to connect and low layer plate completes connection；
Step 5: compressed recoil of spring makes that piece and formed punch is driven to reset rapidly after the completion of connection, for connection next time
It prepares.
Present apparatus curring time is short (Millisecond), and the load of such high-speed reduces the deformation of connected part, favorably
In the forming quality improved.
Present apparatus attachment force and connection energy can be adjusted by one-parameter (such as voltage) realizes accurate control, technique letter
It is single, it is easy to accomplish the production of automation.If the type of connector and the thickness of connector change, it can directly pass through tune
The size for saving one-parameter (such as voltage) changes the riveting energy and rivet force of output, realizes that the high speed nailing under different condition connects
It connects.
The present apparatus has widened the process window of high speed nailing connection by the way of electromagnetism power drive.
Above-listed preferred embodiment, has been further described the object, technical solutions and advantages of the present invention, is answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of high speed nailing attachment device, it is characterised in that: including shell, cylinder inside the shell is arranged, cylinder is set vertically
Set, cylinder upper end connected with outer casing inner top, be from top to bottom disposed in cylinder coil, driving piece, formed punch, coil lower end with
Driving piece fits closely, and the formed punch includes jumper bar, and jumper bar upper end is provided with the rotary table of the coaxial heart, rotary table and driving piece phase
Against by being pierced by the middle part of cylinder lower end, jumper bar lower end surface is provided with magnetic medium for jumper bar lower end, and outer casing underpart, which is provided with, is conducive to punching
The punching that bar lower end passes through is arranged with spring on jumper bar, and spring upper end is against rotary table, and lower spring end is against cylinder.
2. high speed nailing attachment device according to claim 1, it is characterised in that: the cylinder upper and lower side is not closed,
Cylinder lower end is provided with backing plate, and setting has through-hole conducive to what jumper bar passed through in the middle part of backing plate, and lower spring end is against backing plate, coil upper end
Against shell.
3. high speed nailing attachment device according to claim 2, it is characterised in that: cylinder upper end periphery is provided with flange,
Connecting screw hole A is evenly distributed on flange, shell upper side is correspondingly arranged on the connection through-hole A matched with connecting screw hole A, cylinder
Body is worn connection through-hole A and the fixing screws connect with connecting screw hole spiral shell A are locked inside the shell, and backing plate periphery is evenly distributed in company
Connect hole B, cylinder lower end be correspondingly arranged on the connecting screw hole B that connect through-hole B and match, backing plate, which is worn, connects through-hole B simultaneously
It is locked on cylinder with the connecting screw hole B lock-screw being spirally connected.
4. high speed nailing attachment device according to claim 1 to 3, it is characterised in that: flange periphery is radially
The cable-through hole A of one connection inner barrel is set, shell periphery is provided with the cable-through hole B matched with cable-through hole A, and the two of coil
A terminals pass sequentially through cable-through hole A, cable-through hole B extraction.
5. high speed nailing attachment device according to claim 4, it is characterised in that: the shell include mutually be spirally connected it is upper
Shell, lower case, cylinder are mounted in upper housing, and punching is arranged in the middle part of lower case lower end, and cable-through hole B is arranged on upper housing
Portion periphery.
6. high speed nailing attachment device according to claim 4, it is characterised in that: upper housing upper end is provided with handle, under
Shell periphery is provided with handle.
7. high speed nailing attachment device according to claim 4, it is characterised in that: the driving piece is cylindrical copper
Body drives piece and formed punch according to can slide axially in cylinder.
8. high speed nailing attachment device according to claim 4, it is characterised in that: the coil is the annular for being tied with copper wire
Disk draws in the outermost layer of coil there are two terminals, and the anode of one end power-supply system is connected, the cathode phase with power-supply system
Even.
9. high speed nailing attachment device according to claim 8, it is characterised in that: the power-supply system include capacitor,
Power supply, capacitor are controlled to a power supply through transformer, and capacitor is connected with coil, the connecting line between capacitor and transformer
Road is provided with charge switch, rectifier and current-limiting resistance, is provided with electric discharge in the connection line between capacitor and coil and opens
It closes, charge switch, discharge switch connection switch control cabinet.
10. a kind of connection method of high speed nailing attachment device, using high speed nailing attachment device as claimed in claim 9,
It is characterized by:
Step 1: according to energy required in connection procedure and power, determining the discharge voltage size of power-supply system, predeterminated voltage, and
Nailing is placed on to the lower section of formed punch；
Step 2: being closed charge switch by switch control box and charge to capacitor group, until charging terminates；
Step 3: being closed discharge switch by switch control box, discharge coil, so that generating strong around hot-wire coil
Pulsed magnetic field, driving piece can generate vortex close to the side of coil under the action of the magnetic field, drive the vortex in piece by line
The strong effect for enclosing magnetic field leads to that electromagnetic repulsive force can be generated between coil and driving piece, and driving piece is downward under that force
Movement；
Step 4: the driving piece moved downward pushes formed punch to move down rapidly, and spring is compressed, and the formed punch moved down at a high speed, which acts on, to be penetrated
Nail, nailing passes through the top plate for needing to connect and low layer plate completes connection；
Step 5: compressed recoil of spring makes that piece and formed punch is driven to reset rapidly after the completion of connection, for connection next time
It prepares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275960.3A CN109261881A (en) | 2018-10-30 | 2018-10-30 | High speed nailing attachment device and connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275960.3A CN109261881A (en) | 2018-10-30 | 2018-10-30 | High speed nailing attachment device and connection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109261881A true CN109261881A (en) | 2019-01-25 |
Family
ID=65194593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811275960.3A Pending CN109261881A (en) | 2018-10-30 | 2018-10-30 | High speed nailing attachment device and connection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109261881A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128000A (en) * | 1977-09-28 | 1978-12-05 | The Boeing Company | Electromagnetic high energy impact apparatus |
| US5280673A (en) * | 1992-02-21 | 1994-01-25 | Electroimpact, Inc. | Electromagnetic bolt insertion system |
| CN1302701A (en) * | 2000-03-24 | 2001-07-11 | 西北工业大学 | Electromagnetic rivetter |
| CN101817056A (en) * | 2010-04-28 | 2010-09-01 | 哈尔滨工业大学 | Device and method for self-piercing riveting of half-hole rivet loaded by pulse magnet field force |
| CN102699259A (en) * | 2012-06-27 | 2012-10-03 | 大连四达高技术发展有限公司 | Low-voltage electromagnetic riveting system |
| KR20160003603U (en) * | 2015-04-09 | 2016-10-19 | 삼흥정공 주식회사 | Rivetting device for aircraft body |
| CN205915293U (en) * | 2016-06-29 | 2017-02-01 | 郭毅雷 | Portable power actuated setting device |
| CN208929121U (en) * | 2018-10-30 | 2019-06-04 | 福州大学 | High speed nailing attachment device |
-
2018
- 2018-10-30 CN CN201811275960.3A patent/CN109261881A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128000A (en) * | 1977-09-28 | 1978-12-05 | The Boeing Company | Electromagnetic high energy impact apparatus |
| US5280673A (en) * | 1992-02-21 | 1994-01-25 | Electroimpact, Inc. | Electromagnetic bolt insertion system |
| CN1302701A (en) * | 2000-03-24 | 2001-07-11 | 西北工业大学 | Electromagnetic rivetter |
| CN101817056A (en) * | 2010-04-28 | 2010-09-01 | 哈尔滨工业大学 | Device and method for self-piercing riveting of half-hole rivet loaded by pulse magnet field force |
| CN102699259A (en) * | 2012-06-27 | 2012-10-03 | 大连四达高技术发展有限公司 | Low-voltage electromagnetic riveting system |
| KR20160003603U (en) * | 2015-04-09 | 2016-10-19 | 삼흥정공 주식회사 | Rivetting device for aircraft body |
| CN205915293U (en) * | 2016-06-29 | 2017-02-01 | 郭毅雷 | Portable power actuated setting device |
| CN208929121U (en) * | 2018-10-30 | 2019-06-04 | 福州大学 | High speed nailing attachment device |
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