CN106077408A

CN106077408A - Riveting set

Info

Publication number: CN106077408A
Application number: CN201610740304.0A
Authority: CN
Inventors: 李学林; 谢彪
Original assignee: HEFEI FUHUA PRECISION MACHINERY MANUFACTURING Co Ltd
Current assignee: HEFEI FUHUA PRECISION MACHINERY MANUFACTURING Co Ltd
Priority date: 2016-08-26
Filing date: 2016-08-26
Publication date: 2016-11-09
Anticipated expiration: 2036-08-26
Also published as: CN106077408B

Abstract

The present invention relates to field of machining, particularly to riveting set, including auxiliary mould and interior pressing mold, wherein auxiliary mould is positioned at the outside of part to be riveted, interior pressing mold is positioned at the inner side of part to be riveted, described auxiliary mould includes stripper plate, and this stripper plate is for extruding the rivet head on part to be riveted, and described interior pressing mold includes riveting drift and for driving the interior driver element of riveting drift primary drying pressure rivet afterbody.Stripper plate is used for extruding, helping rivet head, and rivets drift and constitute riveting die set for punch rivet afterbody, stripper plate and riveting drift.Owing to stripper plate does not has percussion to rivet head, simply simply position support, do not result in the deformation of rivet head, thus ensure the smooth, attractive in appearance of riveting face outside part to be riveted.And rivet point portion is positioned at the inner side of part to be riveted, so the defects such as deformation, out-of-flatness are only concentrated on the riveting face, inner side of part to be riveted, it are in invisible position, the attractive in appearance of product and quality can't be affected, the requirement to riveting quality can be reduced.

Description

Riveting set

Technical field

The present invention relates to field of machining, particularly to riveting set.

Background technology

Riveting, as conventional connected mode a kind of in machining, is mainly used in plate little for two thickness, logical Crossing and burrow on its position, then put in by rivet, recycling mould extruding rivet deformation reaches the purpose of riveting.Generally box The limit that connects of body or housing shape part is exactly the mode using rivet interlacement.This kind of part owing to being limited by intracavity space, It mostly is to be placed on the riveting drift being used for extruding rivet the outside of part at present, the most directly extrudes the head of rivet, very It is easily caused the deformation of rivet head, causes the out-of-flatness of riveting face, impact to have a strong impact on riveting quality.

Summary of the invention

It is an object of the invention to provide a kind of rivet head smooth, the riveting set that riveting quality is high.

For achieving the above object, present invention employs techniques below scheme: a kind of riveting set, including auxiliary mould and intrinsic pressure Mould, wherein auxiliary mould is positioned at the outside of part to be riveted, and interior pressing mold is positioned at the inner side of part to be riveted, and described auxiliary mould includes Stripper plate, this stripper plate for extruding the rivet head on part to be riveted, described interior pressing mold include riveting drift and for Drive the interior driver element of riveting drift primary drying pressure rivet afterbody.

Owing to using above technical scheme: stripper plate is used for extruding, helping rivet head, and rivets drift for punching press riveting Nail afterbody, stripper plate and riveting drift constitute riveting die set.Owing to stripper plate does not has percussion to rivet head, the simplest Location help, do not result in the deformation of rivet head, thus ensure the smooth, attractive in appearance of riveting face outside part to be riveted.And Rivet point portion is positioned at the inner side of part to be riveted, so the defects such as deformation, out-of-flatness are only concentrated in the inner side of part to be riveted On riveting face, it is in invisible position, the attractive in appearance of product and quality can't be affected, the requirement to riveting quality can be reduced.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention；

Fig. 2 is another state diagram of Fig. 1；

Fig. 3 is the structural representation of sliding shoe；

Fig. 4 is the structural representation of drive block.

Detailed description of the invention

A kind of riveting set, including auxiliary mould 10 and interior pressing mold 20, wherein auxiliary mould 10 is positioned at outside part 50 to be riveted Side, interior pressing mold 20 is positioned at the inner side of part 50 to be riveted, and described auxiliary mould 10 includes stripper plate 11, and this stripper plate 11 is used for squeezing The rivet head on part 50 to be riveted, described interior pressing mold 20 is pressed to include riveting drift 21 and for driving riveting drift 21 to rush The interior driver element 40 of pressure rivet afterbody.Stripper plate 11 is used for extruding, helping rivet head, and rivets drift 21 for punching press riveting Nail afterbody, stripper plate 11 and riveting drift 21 constitute riveting die set.Owing to stripper plate 11 does not has percussion to rivet head, only It is simply to position support, does not results in the deformation of rivet head, thus ensure the smooth, beautiful of riveting face outside part to be riveted See.And rivet point portion is positioned at the inner side of part 50 to be riveted, the defect such as deformation that riveting causes, out-of-flatness is only concentrated in treats riveting On the riveting face, inner side of pipe fitting, it is in invisible position, the attractive in appearance of product and quality can't be affected, can reduce riveting The requirement of quality.

Described auxiliary mould 10 also include outer driver element 30, outer driver element 30 be used for driving stripper plate 11 away from or lean on Nearly part to be riveted 50.During riveting, being manually placed in rivet hole by rivet, outer driver element 30 drives stripper plate 11 to be resisted against In rivet head, then riveting drift 21 punch rivet afterbody, completes riveting action.Outer driver element 30 drives stripper plate 11 away from part 50 to be riveted, releases and treats the spacing of riveting parts 50, ready for taking off part 50 to be riveted.

Described auxiliary mould 10 is at least provided with two groups and is distributed in the periphery of interior pressing mold 20, and part 50 to be riveted is located at On interior pressing mold 20, multiple auxiliary moulds 10 are arranged corresponding to the different riveting limits 51 of part 50 to be riveted, described interior pressing mold 20 to Include two riveting drifts 21, and each riveting drift 21 layout the most corresponding with stripper plate 11, described interior driver element 40 less Drive multiple riveting drift 21 squeezed riveting limit 51 simultaneously.Owing to auxiliary mould 10 is positioned at the periphery of pressing mold 20, say, that interior Pressing mold 20 is positioned at centre, and the outer driver element 30 of many groups promotes stripper plate 11 simultaneously to centre, even if part to be riveted 50 is initially There is a small amount of deflection also can be in an intermediate position, thus without to be riveted zero under many group stripper plates 11 act on simultaneously during placement Part 50 is accurately positioned, and can improve riveting efficiency.In the present invention, one group of auxiliary mould 10 and a riveting drift 21 constitute one Group riveting combination, many group riveting combination actions simultaneously, it is achieved rivet while housing shape part a plurality of riveting limit, increase substantially Working (machining) efficiency.

Described outer driver element 30 includes the upper wedge 31 that cooperates and lower wedge 32, and upper wedge 31 connects Driving the rectilinear movement unit 34 that it moves up and down, stripper plate 11 is fixed on the lower wedge 32 plate face near interior pressing mold 20 side On, when described rectilinear movement unit 34 drives upper wedge 31 to move down, lower wedge 32 is close also towards interior pressing mold 20 Squeezed riveting limit 51, the side of described lower wedge 32 is additionally provided with the reset unit driving lower wedge 32 away from interior pressing mold 20 33.In dependence, the lozenges between wedge 31 and lower wedge 32 coordinates, by the mobile conversion of upper wedge 31 vertical direction For the movement of lower wedge 32 horizontal direction, simultaneously with the help of reset unit 33, complete stripper plate 11 and extrude or away from riveting The action of edge fit 51.

Described interior driver element 40 includes that limit 51 is scattered drives towards riveting for multiple sliding shoe 41 and driving sliding shoe 41 Motion block 42, described riveting drift 21 is fixed on the sliding shoe 41 of correspondence, and described sliding shoe 41 is provided with inclined-plane 411, drives Motion block 42 is provided with driving inclined-plane 421 corresponding with position, each inclined-plane 411, that slope is identical, and described drive block 42 lower end connects Having its jacking unit 44 moved up and down of driving, when described jacking unit 44 moves up, sliding shoe 41 is towards auxiliary mould 10 Near also squeezed riveting limit 51, the side of described sliding shoe 41 is additionally provided with the return list driving sliding shoe 41 away from auxiliary mould 10 Unit 43.

A riveting drift 21, a corresponding one group of auxiliary mould 10 of riveting drift 21 is fixed on each sliding shoe 41.As Shown in Fig. 1 and 2, jacking unit 44 upwardly drive block 42, time, drive inclined-plane 421 to move up and extrude inclined-plane 411, will Moving up and down of drive block 42 is converted into moving left and right of sliding shoe 41, thus realizes driving riveting drift 21 to extrude rivet point Portion.After action to be riveted completes, the downward return of jacking unit 44, the effect downslide motion block 41 at return unit 43 returns to the most simultaneously First position, now riveting drift 21 is away from rivet, releases the extruding to part 50 to be riveted, does for the part after taking off riveting Good preparation.

Described reset unit 33 include being positioned at lower wedge 32 side fixed block 331 and reset tension spring 332, reset One end connection fixing block 331 of extension spring 332, the other end connects lower wedge 32；Described return unit 43 includes being positioned at slip Block 41 side fixed plate 431 and reseting pressuring spring 432, one end of reseting pressuring spring 432 connects fixed plate 431, and the other end connects Sliding shoe 41.

Described auxiliary mould 10 is provided with two groups altogether, and two groups of auxiliary moulds 10 share same rectilinear movement unit 34, described Interior pressing mold 20 be correspondingly arranged on two riveting drifts 21.Rectilinear movement unit 34 can use cylinder, a cylinder to simultaneously drive Mould 10 action of two groups of auxiliary, both can ensure that auxiliary mould 10 action simultaneously, had decreased again number of parts, cost-effective.

Described stripper plate 11 can cover riveting limit 51, described riveting drift 21 for slab construction and its plate face size It is made up of multiple inner ram unit 211, the quantity of inner ram unit 211, position and the quantity of rivet, position phase on riveting limit 51 Corresponding.As it is shown on figure 3, riveting drift 21 is made up of multiple inner ram unit 211, corresponding one of each inner ram unit 211 The position of rivet.The stripper plate 11 of board face structure can be smooth abut in riveting limit 51 on, now stripper plate 11 and manufactured head Portion is face contact, thus ensures that stripper plate 11 location reliable to rivet head is helped.Can also be by the riveting on riveting limit 51 Hole is set to counter sink, and such rivet head will cave in counter sink, say, that rivet head will not highlight in riveting On the surface on limit 51, the riveting limit 51 of this structure is more smooth, attractive in appearance.

Described upper wedge 31 includes the upper lozenges 311 tilted from top to bottom near the plate face of lower wedge 32 side With the upper vertical plane 312 of lozenges in drop-over 311, wherein go up lozenges 311 and be positioned at lower section；Lower wedge 32 is near upper wedge The plate face of 31 sides includes the lower vertical plane 322 of lozenges 321 under the lower lozenges 321 that tilts from top to bottom and drop-over, wherein Lower lozenges 321 is positioned at lower section；The slope of described upper lozenges 311 and lower lozenges 321 coincide.Upper vertical plane 312 and under Upper wedge 31, lower wedge 32 can be guided by the cooperation of vertical plane 322, it is ensured that upper lozenges 311 and lower lozenges The precise match of 321.

Described sliding shoe 41 by about two layout facades 412 and is connected to two near the plate face of drive block 42 side Between facade 412, inclined-plane 411 forms；The described inclined-plane 421 that drives is arranged by about two near the plate face of sliding shoe 41 side Guide facade 422 and the driving inclined-plane 421 being connected between two facades 412 forms.As shown in Figure 4, facade 412 and guiding are vertical The cooperation in face 412 realizes the guiding to drive block 42, it is ensured that the degree of accuracy of the mobile route of drive block 42, thus ensures riveting essence Degree, improves the quality of whole device further.

Claims

1. a riveting set, it is characterised in that: include assisting mould (10) and interior pressing mold (20), wherein assist mould (10) to be positioned at and treat The outside of riveting part (50), interior pressing mold (20) is positioned at the inner side of part to be riveted (50), and described auxiliary mould (10) includes squeezing Pressing plate (11), this stripper plate (11) is used for extruding the rivet head on part to be riveted (50), and described interior pressing mold (20) includes Rivet drift (21) and be used for driving the interior driver element (40) of riveting drift (21) punch rivet afterbody.

Riveting set the most according to claim 1, it is characterised in that: described auxiliary mould (10) also includes outer driver element (30), outer driver element (30) be used for driving stripper plate (11) away from or near part to be riveted (50).

Riveting set the most according to claim 2, it is characterised in that: described auxiliary mould (10) at least provided with two groups and Being distributed in the periphery of interior pressing mold (20), part to be riveted (50) is located on interior pressing mold (20), and multiple auxiliary moulds (10) correspond to Different rivetings limit (51) of part to be riveted (50) are arranged, described interior pressing mold (20) at least includes two riveting drifts (21), And respectively riveting drift (21) layout the most corresponding with stripper plate (11), described interior driver element (40) drives multiple riveting drift (21) squeezed riveting limit (51) simultaneously.

Riveting set the most according to claim 3, it is characterised in that: described outer driver element (30) includes cooperating Upper wedge (31) and lower wedge (32), upper wedge (31) connect drive its move up and down rectilinear movement unit (34), stripper plate (11) is fixed on the plate face of close interior pressing mold (20) side of lower wedge (32), described rectilinear movement list When in unit's (34) driving, wedge (31) moves down, lower wedge (32) is close and squeezed riveting limit towards interior pressing mold (20) (51) side of, described lower wedge (32) is additionally provided with the reset unit driving lower wedge (32) away from interior pressing mold (20) (33)。

Riveting set the most according to claim 4, it is characterised in that: described interior driver element (40) includes multiple slip Block (41) and driving sliding shoe (41) are towards riveting limit (51) scattered drive block (42), and described riveting drift (21) is fixed on On corresponding sliding shoe (41), described sliding shoe (41) is provided with inclined-plane (411), and drive block (42) is provided with and each inclined-plane (411) the driving inclined-plane (421) that position is corresponding, slope coincide, described drive block (42) lower end connects has driving to move down on it Dynamic jacking unit (44), when described jacking unit (44) moves up, sliding shoe (41) is close also towards auxiliary mould (10) Squeezed riveting limit (51), the side of described sliding shoe (41) is additionally provided with the return driving sliding shoe (41) away from auxiliary mould (10) Unit (43).

Riveting set the most according to claim 5, it is characterised in that: described reset unit (33) includes being positioned at lower wedge shape Block (32) side fixed block (331) and reset tension spring (332), one end connection fixing block (331) of reset tension spring (332), The other end connects lower wedge (32)；

Described return unit (43) include being positioned at sliding shoe (41) side fixed plate (431) and reseting pressuring spring (432), multiple One end of position stage clip (432) connects fixed plate (431), and the other end connects sliding shoe (41).

Riveting set the most according to claim 6, it is characterised in that: described auxiliary mould (10) is provided with two groups, and two altogether Group auxiliary mould (10) shares same rectilinear movement unit (34), and described interior pressing mold (20) is correspondingly arranged on two riveting drifts Head (21).

Riveting set the most according to claim 7, it is characterised in that: described stripper plate (11) is slab construction and its plate Face size can cover riveting limit (51), and described riveting drift (21) is made up of multiple inner ram unit (211), inner ram list It is corresponding that unit's quantity of (211), position and riveting limit (51) go up quantity of rivet, position.

Riveting set the most according to claim 8, it is characterised in that: described upper wedge (31) is near lower wedge (32) the plate face of side includes the upper vertical plane of lozenges (311) in the upper lozenges (311) that tilts from top to bottom and drop-over (312), wherein go up lozenges (311) and be positioned at lower section；Lower wedge (32) includes certainly near the plate face of upper wedge (31) side Under the upper and lower lozenges (321) of lower inclination and drop-over, the lower vertical plane (322) of lozenges (321), wherein descends lozenges (321) It is positioned at lower section；Described upper lozenges (311) and the slope of lower lozenges (321) coincide.

Riveting set the most according to claim 9, it is characterised in that: described sliding shoe (41) is near drive block (42) By about two, the plate face of side arranges that facade (412) and the inclined-plane (411) being connected between two facades (412) form；Institute The driving inclined-plane (421) stated and is connected by about two the guiding facades (422) arranged near the plate face of sliding shoe (41) side Driving inclined-plane (421) composition between two facades (412).