CN107626875B - A kind of the semi-hollow self-pierce riveting riveting device and clinching method of solid nail rod auxiliary - Google Patents

A kind of the semi-hollow self-pierce riveting riveting device and clinching method of solid nail rod auxiliary Download PDF

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Publication number
CN107626875B
CN107626875B CN201710913138.4A CN201710913138A CN107626875B CN 107626875 B CN107626875 B CN 107626875B CN 201710913138 A CN201710913138 A CN 201710913138A CN 107626875 B CN107626875 B CN 107626875B
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nail rod
arc
mould
riveting
rivet
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CN107626875A (en
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何晓聪
丁文有
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Suzhou Leili fastening technology Co., Ltd
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Kunming University of Science and Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00Riveting
    • B21J15/02Riveting procedures
    • B21J15/025Setting self-piercing rivets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00Riveting
    • B21J15/10Riveting machines
    • B21J15/36Rivet sets, i.e. tools for forming heads; Mandrels for expanding parts of hollow rivets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/04Rivets; Spigots or the like fastened by riveting
    • F16B19/08Hollow rivets; Multi-part rivets
    • F16B19/086Self-piercing rivets

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

The present invention relates to the semi-hollow self-pierce riveting riveting devices and clinching method of a kind of solid nail rod auxiliary, belong to self-punching riveting technology field.The present invention includes semi-hollow self-pierce riveting rivet, a lower rivet model used with rivet corresponding matching for a solid nail rod auxiliary, and the semi-hollow self-pierce riveting rivet of the solid nail rod auxiliary includes the head of a nail, nail rod with a central hole, solid nail rod.The semi-hollow self-pierce riveting rivet of the solid nail rod auxiliary of the present invention is easier to be pierced into plate, solid rivet is pierced into but does not pierce through plate, solid rivet can be attached plate by self-deformation and the friction between plate, simultaneously, solid rivet, which is pierced into but does not pierce through plate this process, facilitates the abundant expansion of nail rod I in cavity I circumferentially, so that rivet obtains bigger nail pin opening width, formed mechanical internal lock structure is more firm.

Description

A kind of the semi-hollow self-pierce riveting riveting device and clinching method of solid nail rod auxiliary
Technical field
The present invention relates to the semi-hollow self-pierce riveting riveting devices and clinching method of a kind of solid nail rod auxiliary, belong to self-pierce riveting Connection technology field.
Background technique
Self-punching riveting technology is a kind of mechanical cold forming techniques, it can be achieved that of the same race or xenogenesis multi-layered board valid link, Its catenation principle is to oppress rivet by formed punch downlink to be pierced into plate, rivet circumferentially expand formation during being pierced into plate Rivet forms a permanent fastening structure, so that substrate is tightly coupled together in a substrate.It is connected at present in self-pierce riveting In technology, semitubular rivet riveting method rely primarily on rivet foot it is circumferentially expand and in plate formed mechanical internal lock structure with The connection function to plate is played, interior lock construction is single, and what the occasion more demanding for riveting intensity was difficult to realize plate can By connection.
Summary of the invention
The technical problem to be solved by the present invention is the present invention provides a kind of semi-hollow self-pierce riveting rivet of solid nail rod auxiliary Device and clinching method rivet single, more demanding for the riveting intensity field of interior lock construction to solve traditional semitubular rivet Conjunction is difficult to realize the problems such as being reliably connected of plate.
The technical scheme is that: a kind of semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary, including one solid 28, lower rivet models used with rivet corresponding matching 31 of semi-hollow self-pierce riveting rivet of nail rod auxiliary, the solid nail rod are auxiliary The semi-hollow self-pierce riveting rivet 28 helped includes the head of a nail 1, nail rod with a central hole 2, solid nail rod 5, and its entirety is with its center Axis axisymmetricly structure;The head of a nail 1 and nail rod 2 and its solid nail rod 5 is an integral structure and central axis having the same, it is real Heart nail rod 5 is at the symmetrical centre of rivet, and the upper end is connect with the head of a nail 1, and the lower rivet model 31 is axially symmetric structure, lower rivet model The cavity II for the riveting of solid nail rod 5 is equipped in 31 inside die cavitys, outside is equipped with the cavity of the circumferentially expand nail rod 2 of containing Ⅰ。
2 edge of nail rod be successively arranged straight line A8, arc-shaped edges A9, straight line B10, arc-shaped edges B11, straight line C12, Arc-shaped edges C13, straight line D14 carry out transition connection, and straight line B10 and straight line C12, which are extended to, passes through arc-shaped edges at lower edge B11 connection, 2 end of nail rod form the basil I;The solid nail rod 5 is axially symmetric structure, and the edge on one side is from top to bottom successively Transition connection, the symmetrical two edges of solid nail rod 5 are carried out equipped with straight line E15, arc-shaped edges E16, straight line F17, arc-shaped edges F18 It is connected by arc-shaped edges F18, and forms the basil II, nail rod 2 and solid nail rod 5 pass sequentially through rounded corner I 6, dome I 3, hold material cave 4, which carry out transition connection, nail rod 2 and 1 junction of the head of a nail, carries out transition connection by rounded corner II 7.
Height and straight line A8 to rivet of the semi-hollow self-pierce riveting rivet 28 of the solid nail rod auxiliary in vertical direction The horizontal distance ratio of center axis of symmetry are as follows: 2.5 ~ 3.3.
The center of circle of the arc-shaped edges B11 is to the ratio between straight line D14 horizontal distance and 2 wall thickness of nail rod are as follows: 0.55 ~ 0.65.
The vertical line of straight line B10 and the angle of vertical direction for crossing the center of circle the arc-shaped edges B11 are 60 ° ~ 70 °;
The vertical line of straight line C12 and the angle of vertical direction for crossing the center of circle the arc-shaped edges B11 are 50 ° ~ 60 °;
The radius of the arc-shaped edges B11 is 0.03 ~ 0.2mm;The dome I 3 be it is arc-shaped, hold material cave 4 be it is arc-shaped, And the radius of arc section is 2 ~ 3mm.
The cavity I of 31 periphery of lower rivet model is by expansion slot 19, mould arc-shaped edges A20, mould arc-shaped edges B21, mould arc-shaped edges C22, mould chamfering 27 are constituted, and II edge of cavity is made of mould arc-shaped edges D23, mould straight line E24;The mould arc-shaped edges of I upper end of cavity C22 is connect by mould straight line 26 with the mould arc-shaped edges D23 transition of cavity II;Mould arc-shaped edges F25 and the interior bilateral symmetry of cavity II Mould straight line E24 transition connection.
Transition point when the mould arc-shaped edges D23 is connect with mould straight line 26 is to lower rivet model symmetrical centre distance and mould circular arc The vertical direction ratio of distances constant of symmetric points to mould straight line 26 is 0.45 ~ 0.65 on the F25 of side;
The mould straight line E24 and vertical direction angle are 20 ° ~ 30 °.
The radius and mould arc-shaped edges A20 radii ratio of the mould arc-shaped edges B21 is 4.5 ~ 5.5, and guarantees mould arc-shaped edges B21 The second order of curvilinear equation is led as positive value, while mould arc-shaped edges A20 curvilinear equation second order leads perseverance and is negative;
The radius of 19 arc section of expansion slot is 2 ~ 3mm.
I maximum height of cavity accounts for the 0.35 ~ 0.45 of 31 height of lower rivet model, and II maximum height of cavity accounts for lower rivet model The 0.2 ~ 0.3 of 31 height.
A method of it is riveted using above-mentioned apparatus, the specific steps of the method are as follows:
Step1, the upper plate for carrying out self-pierce riveting connection 29 and lower plate 30 will be needed to be sufficiently close together or contact, passes through relevant mode Combined upper and lower plates are placed on 31 top of lower rivet model by the positioning action of tool;
Step2;Start self-piercing riveting equipment, the blank holder in self-pierce riveting equipment compresses plate, and formed punch pushes rivet downlink It pushes solid nail rod to be pierced into but does not pierce through plate and stripper plate stream to cavity II, nail rod I is extended out to cavity I, rivet insert plate Material.
Step3;Plate plastic deformation is completed, after rivet is formed with plate room machine internal lock, the formed punch in self-pierce riveting equipment Uplink revert to original position, and self-pierce riveting connection procedure is completed.
The working principle of the invention is: when riveting, solid nail rod is pierced into but does not pierce through plate and stripper plate stream is to cavity II, solid rivet can be attached plate by self-deformation and the friction between plate, meanwhile, solid rivet is pierced into But do not pierce through plate this process and facilitate the abundant expansion of nail rod I in cavity I circumferentially so that rivet obtain it is bigger Nail pin opening width, nail rod I extend out to form mechanical internal lock structure to cavity I, and rivet insertion plate is to complete to rivet.
The beneficial effects of the present invention are:
1) solid rivet can be attached plate by self-deformation and the friction between plate;
2) solid rivet is easier to be pierced into plate but do not pierce through plate this process to facilitate nail rod I in cavity I along week To abundant expansion, rivet obtains bigger nail pin opening width, forms more structurally sound mechanical internal lock between rivet and plate Structure improves the bonding strength of plate.
Detailed description of the invention
Fig. 1 is cross-sectional view of the present invention;
Fig. 2 is partial view at mandril foot A in Fig. 1;
Fig. 3 is partial view at solid nail rod foot B in Fig. 1;
Fig. 4 is lower rivet model cross-sectional view;
Fig. 5 is the cross-sectional view after the completion of lower rivet model of the present invention and connected piece riveting.
Each label in Fig. 1-5: the 1- head of a nail, 2- nail rod, 3- dome I, 4- hold material cave, the solid nail rod of 5-, 6- rounded corner I, 7- Rounded corner II, 8- straight line A, 9- arc-shaped edges A, 10- straight line B, 11- arc-shaped edges B, 12- straight line C, 13- arc-shaped edges C, 14- Straight line D, 15- straight line E, 16- arc-shaped edges E, 17- straight line F, 18- arc-shaped edges F, 19- expansion slot, 20- mould arc-shaped edges A, 21- mould arc-shaped edges B, 22- mould arc-shaped edges C, 23- mould arc-shaped edges D, 24- mould straight line E, 25- mould arc-shaped edges F, 26- mould straight line, 27- mould chamfering, the semi-hollow self-pierce riveting rivet of the solid nail rod auxiliary of 28-, 29- upper plate, 30- lower plate, 31- lower rivet model.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the invention will be further described.
Embodiment 1: a kind of semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary, a kind of solid nail rod auxiliary is in midair Heart self-pierce riveting riveting device, as shown in Figs. 1-2,28, one, semi-hollow self-pierce riveting rivet including a solid nail rod auxiliary with The semi-hollow self-pierce riveting rivet 28 of the lower rivet model 31 that rivet corresponding matching uses, the solid nail rod auxiliary includes the head of a nail 1, has Nail rod 2, the solid nail rod 5 of centre bore, and its entirety is with center axis thereof axisymmetricly structure;The head of a nail 1 and nail rod 2 and its solid Nail rod 5 is an integral structure and central axis having the same, and solid nail rod 5 is at the symmetrical centre of rivet, the upper end with The head of a nail 1 connects, and the lower rivet model 31 is axially symmetric structure, is equipped in 31 inside die cavity of lower rivet model for the riveting of solid nail rod 5 Cavity II, outside are equipped with the cavity I of the circumferentially expand nail rod 2 of containing.
Further, as shown in Fig. 2, 2 edge of the nail rod be successively arranged straight line A8, arc-shaped edges A9, straight line B10, Arc-shaped edges B11, straight line C12, arc-shaped edges C13, straight line D14 carry out transition connection, and straight line B10 and straight line C12 extend It is connected to lower edge by arc-shaped edges B11,2 end of nail rod forms the basil I;As shown in figure 3, the solid nail rod 5 is axis pair Claim structure, the edge on one side be successively arranged from top to bottom straight line E15, arc-shaped edges E16, straight line F17, arc-shaped edges F18 into Row transition connection, the symmetrical two edges of solid nail rod 5 are connected by arc-shaped edges F18, and form the basil II, nail rod 2 and solid nail Bar 5 passes sequentially through rounded corner I 6, dome I 3, holds the progress transition connection of material cave 4, and nail rod 2 and 1 junction of the head of a nail pass through rounded corner II 7 carry out transition connection.
Further, height and straight line of the semi-hollow self-pierce riveting rivet 28 of the solid nail rod auxiliary in vertical direction Horizontal distance ratio of the A8 to rivet center axis of symmetry are as follows: 2.5 ~ 3.3.
Further, the center of circle of the arc-shaped edges B11 is to the ratio between straight line D14 horizontal distance and 2 wall thickness of nail rod are as follows: 0.55 ~0.65。
Further, the vertical line of straight line B10 and the angle of vertical direction in the center of circle the arc-shaped edges B11 excessively be 60 ° ~ 70°;
The vertical line of straight line C12 and the angle of vertical direction for crossing the center of circle the arc-shaped edges B11 are 50 ° ~ 60 °;
The radius of the arc-shaped edges B11 is 0.03 ~ 0.2mm;The dome I 3 be it is arc-shaped, hold material cave 4 be it is arc-shaped, And the radius of arc section is 2 ~ 3mm.
Further, as shown in figure 4, the cavity I of 31 periphery of the lower rivet model is by expansion slot 19, mould arc-shaped edges A20, mould circle Arc side B21, mould arc-shaped edges C22, mould chamfering 27 are constituted, and II edge of cavity is made of mould arc-shaped edges D23, mould straight line E24;Cavity The mould arc-shaped edges C22 of I upper end is connect by mould straight line 26 with the mould arc-shaped edges D23 transition of cavity II;Mould arc-shaped edges F25 and recessed Symmetrical mould straight line E24 transition connection in chamber II.
Further, transition point when the mould arc-shaped edges D23 is connect with mould straight line 26 to lower rivet model symmetrical centre away from From with the vertical direction ratio of distances constant of symmetric points on mould arc-shaped edges F25 to mould straight line 26 be 0.45 ~ 0.65;
The mould straight line E24 and vertical direction angle are 20 ° ~ 30 °.
Further, the radius of the mould arc-shaped edges B21 and mould arc-shaped edges A20 radii ratio are 4.5 ~ 5.5, and guarantee mould The second order of arc-shaped edges B21 curvilinear equation is led as positive value, while mould arc-shaped edges A20 curvilinear equation second order leads perseverance and is negative;
The radius of 19 arc section of expansion slot is 2 ~ 3mm.
Further, I maximum height of cavity accounts for the 0.35 ~ 0.45 of 31 height of lower rivet model, and the cavity II is maximum high Degree accounts for the 0.2 ~ 0.3 of 31 height of lower rivet model.
A method of it is riveted using above-mentioned apparatus, the specific steps of the method are as follows:
Step1, the upper plate for carrying out self-pierce riveting connection 29 and lower plate 30 will be needed to be sufficiently close together or contact, passes through relevant mode Combined upper and lower plates are placed on 31 top of lower rivet model by the positioning action of tool;
Step2;Start self-piercing riveting equipment, the blank holder in self-pierce riveting equipment compresses plate, and formed punch pushes rivet downlink It pushes solid nail rod to be pierced into but does not pierce through plate and stripper plate stream to cavity II, nail rod I is extended out to cavity I, rivet insert plate Material, as shown in Figure 5.
Step3;Plate plastic deformation is completed, after rivet is formed with plate room machine internal lock, the formed punch in self-pierce riveting equipment Uplink revert to original position, and self-pierce riveting connection procedure is completed.
Embodiment 2: a kind of the semi-hollow self-pierce riveting riveting device and clinching method, the present embodiment and reality of solid nail rod auxiliary It is identical to apply example 1, in which:
Further, height and straight line of the semi-hollow self-pierce riveting rivet 28 of the solid nail rod auxiliary in vertical direction Horizontal distance ratio of the A8 to rivet center axis of symmetry are as follows: 2.5.
Further, the center of circle of the arc-shaped edges B11 is to the ratio between straight line D14 horizontal distance and 2 wall thickness of nail rod are as follows: 0.55。
Further, the vertical line of straight line B10 and the angle of vertical direction in the center of circle the arc-shaped edges B11 excessively are 60 °;
The vertical line of straight line C12 and the angle of vertical direction for crossing the center of circle the arc-shaped edges B11 are 50 °;
The radius of the arc-shaped edges B11 is 0.03mm;The dome I 3 be it is arc-shaped, hold material cave 4 be it is arc-shaped, and circle The radius of segmental arc is 2mm.
Further, transition point when the mould arc-shaped edges D23 is connect with mould straight line 26 to lower rivet model symmetrical centre away from From with the vertical direction ratio of distances constant of symmetric points on mould arc-shaped edges F25 to mould straight line 26 be 0.45;
The mould straight line E24 and vertical direction angle are 20 °.
Further, the radius of the mould arc-shaped edges B21 and mould arc-shaped edges A20 radii ratio are 4.5, and guarantee mould circular arc The second order of side B21 curvilinear equation is led as positive value, while mould arc-shaped edges A20 curvilinear equation second order leads perseverance and is negative;
The radius of 19 arc section of expansion slot is 2mm.
Further, I maximum height of cavity accounts for the 0.35 of 31 height of lower rivet model, and II maximum height of cavity accounts for down The 0.2 of 31 height of riveting mould.
Embodiment 3: a kind of the semi-hollow self-pierce riveting riveting device and clinching method, the present embodiment and reality of solid nail rod auxiliary It is identical to apply example 1, in which:
Further, height and straight line of the semi-hollow self-pierce riveting rivet 28 of the solid nail rod auxiliary in vertical direction Horizontal distance ratio of the A8 to rivet center axis of symmetry are as follows: 3.3.
Further, the center of circle of the arc-shaped edges B11 is to the ratio between straight line D14 horizontal distance and 2 wall thickness of nail rod are as follows: 0.65。
Further, the vertical line of straight line B10 and the angle of vertical direction in the center of circle the arc-shaped edges B11 excessively are 70 °;
The vertical line of straight line C12 and the angle of vertical direction for crossing the center of circle the arc-shaped edges B11 are 60 °;
The radius of the arc-shaped edges B11 is 0.2mm;The dome I 3 be it is arc-shaped, holding material cave 4 is arc-shaped, and circular arc The radius of section is 3mm.
Further, transition point when the mould arc-shaped edges D23 is connect with mould straight line 26 to lower rivet model symmetrical centre away from From with the vertical direction ratio of distances constant of symmetric points on mould arc-shaped edges F25 to mould straight line 26 be 0.65;
The mould straight line E24 and vertical direction angle are 30 °.
Further, the radius of the mould arc-shaped edges B21 and mould arc-shaped edges A20 radii ratio are 5.5, and guarantee mould circular arc The second order of side B21 curvilinear equation is led as positive value, while mould arc-shaped edges A20 curvilinear equation second order leads perseverance and is negative;
The radius of 19 arc section of expansion slot is 3mm.
Further, I maximum height of cavity accounts for the 0.45 of 31 height of lower rivet model, and II maximum height of cavity accounts for down The 0.3 of 31 height of riveting mould.
Embodiment 4: a kind of the semi-hollow self-pierce riveting riveting device and clinching method, the present embodiment and reality of solid nail rod auxiliary It is identical to apply example 1, in which:
Further, height and straight line of the semi-hollow self-pierce riveting rivet 28 of the solid nail rod auxiliary in vertical direction Horizontal distance ratio of the A8 to rivet center axis of symmetry are as follows: 3.
Further, the center of circle of the arc-shaped edges B11 is to the ratio between straight line D14 horizontal distance and 2 wall thickness of nail rod are as follows: 0.6.
Further, the vertical line of straight line B10 and the angle of vertical direction in the center of circle the arc-shaped edges B11 excessively are 65 °;
The vertical line of straight line C12 and the angle of vertical direction for crossing the center of circle the arc-shaped edges B11 are 55 °;
The radius of the arc-shaped edges B11 is 0.1mm;The dome I 3 be it is arc-shaped, holding material cave 4 is arc-shaped, and circular arc The radius of section is 2.5mm.
Further, transition point when the mould arc-shaped edges D23 is connect with mould straight line 26 to lower rivet model symmetrical centre away from From with the vertical direction ratio of distances constant of symmetric points on mould arc-shaped edges F25 to mould straight line 26 be 0.5;
The mould straight line E24 and vertical direction angle are 25 °.
Further, the radius of the mould arc-shaped edges B21 and mould arc-shaped edges A20 radii ratio are 5, and guarantee mould arc-shaped edges The second order of B21 curvilinear equation is led as positive value, while mould arc-shaped edges A20 curvilinear equation second order leads perseverance and is negative;
The radius of 19 arc section of expansion slot is 2.5mm.
Further, I maximum height of cavity accounts for the 0.4 of 31 height of lower rivet model, and II maximum height of cavity accounts for down The 0.25 of 31 height of riveting mould.
Specific embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned realities Example is applied, it within the knowledge of a person skilled in the art, can also be without departing from the purpose of the present invention Various changes can be made.

Claims (10)

1. a kind of semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary, it is characterised in that: including a solid nail rod auxiliary Semi-hollow self-pierce riveting rivet (28), a lower rivet model (31) used with rivet corresponding matching, the solid nail rod auxiliary Semi-hollow self-pierce riveting rivet (28) includes the head of a nail (1), nail rod with a central hole (2), solid nail rod (5), and its entirety is with it Central axis axisymmetricly structure;The head of a nail (1) is an integral structure and having the same with nail rod (2) and its solid nail rod (5) Central axis, solid nail rod (5) are at the symmetrical centre of rivet, and the upper end is connect with the head of a nail (1), and the lower rivet model (31) is Axially symmetric structure, the interior cavity II being equipped with for solid nail rod (5) riveting of lower rivet model (31) inside die cavity, outside is equipped with containing edge The cavity I of the nail rod (2) of adjacent circumferential expansion.
2. the semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary according to claim 1, it is characterised in that: the nail rod (2) edge is successively arranged straight line A(8), arc-shaped edges A(9), straight line B(10), arc-shaped edges B(11), straight line C(12), circular arc Side C(13), straight line D(14) carry out transition connection, straight line B(10) extend to straight line C(12) and pass through circle at lower edge Arc side B(11) connection, nail rod (2) end forms the basil I;The solid nail rod (5) is axially symmetric structure, the edge on one side from Top to bottm is successively arranged straight line E(15), arc-shaped edges E(16), straight line F(17), arc-shaped edges F(18) carry out transition connection, it is real The symmetrical two edges of heart nail rod (5) pass through arc-shaped edges F(18) connection, and form the basil II, nail rod (2) and solid nail rod (5) according to Secondary to carry out transition connection by rounded corner I (6), dome I (3), appearance material cave (4), nail rod (2) and the head of a nail (1) junction pass through circle Chamfering II (7) carries out transition connection.
3. the semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary according to claim 2, it is characterised in that: described solid Height and straight line A(8 of the semi-hollow self-pierce riveting rivet (28) of nail rod auxiliary in vertical direction) arrive rivet center axis of symmetry Horizontal distance ratio are as follows: 2.5 ~ 3.3.
4. the semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary according to claim 2, it is characterised in that: the circular arc Side B(11) the center of circle to the ratio between straight line D(14) horizontal distance and nail rod (2) wall thickness are as follows: 0.55 ~ 0.65.
5. the semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary according to claim 2, it is characterised in that: the excessively described circle Arc side B(11) center of circle straight line B(10) vertical line and the angle of vertical direction be 60 ° ~ 70 °;
Cross the arc-shaped edges B(11) the straight line C(12 in the center of circle) vertical line and the angle of vertical direction be 50 ° ~ 60 °;
The arc-shaped edges B(11) radius be 0.03 ~ 0.2mm;The dome I (3) be it is arc-shaped, hold material cave (4) be circular arc Shape.
6. the semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary according to claim 1, it is characterised in that: the lower riveting The cavity I of mould (31) periphery is by expansion slot (19), mould arc-shaped edges A(20), mould arc-shaped edges B(21), mould arc-shaped edges C(22), mould falls Angle (27) constitute, II edge of cavity is by mould arc-shaped edges D(23), mould straight line E(24) constitute;The mould arc-shaped edges C of I upper end of cavity (22) it is connect by the mould arc-shaped edges D(23 of mould straight line (26) and cavity II) transition;Mould arc-shaped edges F(25) and cavity II in it is left Right symmetrical mould straight line E(24) transition connection.
7. the semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary according to claim 6, it is characterised in that: the mould circle Arc side D(23) transition point when connecting with mould straight line (26) is to lower rivet model symmetrical centre distance and mould arc-shaped edges F(25) on pair The vertical direction ratio of distances constant of point to mould straight line (26) is referred to as 0.45 ~ 0.65;
The mould straight line E(24) with vertical direction angle be 20 ° ~ 30 °.
8. the semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary according to claim 6, it is characterised in that: the mould circle Arc side B(21) radius and mould arc-shaped edges A(20) radii ratio is 4.5 ~ 5.5, and guarantees mould arc-shaped edges B(21) curvilinear equation Second order is led as positive value, while mould arc-shaped edges A(20) curvilinear equation second order leads perseverance and is negative;
The radius of expansion slot (19) arc section is 2 ~ 3mm.
9. the semi-hollow self-pierce riveting riveting device of solid nail rod auxiliary according to claim 1, it is characterised in that: the cavity I maximum height accounts for the 0.35 ~ 0.45 of lower rivet model (31) height, II maximum height of cavity account for lower rivet model (31) height 0.2 ~ 0.3。
10. a kind of method riveted using the described in any item devices of claim 1-9, it is characterised in that: the method Specific steps are as follows:
Step1, the upper plate (29) for needing to carry out self-pierce riveting connection and lower plate (30) are sufficiently close together or are contacted, pass through relevant mode Combined upper and lower plates are placed on above lower rivet model (31) by the positioning action of tool;
Step2;Start self-piercing riveting equipment, the blank holder in self-piercing riveting equipment compresses plate, and formed punch pushes rivet downlink to push away It moves solid nail rod and is pierced into but does not pierce through plate and stripper plate stream to cavity II, nail rod is extended out to cavity I, and rivet is embedded in plate;
Step3;Plate plastic deformation is completed, after rivet is formed with plate room machine internal lock, on the formed punch in self-piercing riveting equipment Row revert to original position, and self-pierce riveting connection procedure is completed.
CN201710913138.4A 2017-09-30 2017-09-30 A kind of the semi-hollow self-pierce riveting riveting device and clinching method of solid nail rod auxiliary Active CN107626875B (en)

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CN1078672A (en) * 1991-11-27 1993-11-24 亨罗布有限公司 Improved panel clinching methods
CN2165943Y (en) * 1993-06-25 1994-05-25 沈阳市黎明进口机械设备配件厂 Riveting machine
DE19701150A1 (en) * 1997-01-15 1998-07-16 Univ Dresden Tech Joining coated materials using stamp rivets with semi-hollow rivets
DE19602075B4 (en) * 1995-11-25 2006-01-26 Siebau Siegener Stahlbauten Gmbh Prefabricated steel garage, which has statically and stability stressed components made of sheet steel
CN106133342A (en) * 2014-02-04 2016-11-16 伯尔霍夫连接技术有限公司 Self-punching rivet

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US2826110A (en) * 1952-01-02 1958-03-11 Jerome H Lemelson Hollow sheet metal rivet with reinforcing work engaging shoulders
CN1078672A (en) * 1991-11-27 1993-11-24 亨罗布有限公司 Improved panel clinching methods
CN2165943Y (en) * 1993-06-25 1994-05-25 沈阳市黎明进口机械设备配件厂 Riveting machine
DE19602075B4 (en) * 1995-11-25 2006-01-26 Siebau Siegener Stahlbauten Gmbh Prefabricated steel garage, which has statically and stability stressed components made of sheet steel
DE19701150A1 (en) * 1997-01-15 1998-07-16 Univ Dresden Tech Joining coated materials using stamp rivets with semi-hollow rivets
CN106133342A (en) * 2014-02-04 2016-11-16 伯尔霍夫连接技术有限公司 Self-punching rivet

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