CN201779111U - Rivet containing recycled draw bar and rivet stem and rivet machine special for same - Google Patents
Rivet containing recycled draw bar and rivet stem and rivet machine special for same Download PDFInfo
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- CN201779111U CN201779111U CN201020521375XU CN201020521375U CN201779111U CN 201779111 U CN201779111 U CN 201779111U CN 201020521375X U CN201020521375X U CN 201020521375XU CN 201020521375 U CN201020521375 U CN 201020521375U CN 201779111 U CN201779111 U CN 201779111U
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Abstract
A rivet containing a recycled draw bar and a rivet stem comprises a rivet body and a rivet stem bar. A cavity is arranged in the middle of the rivet body; the rivet stem bar comprises the rivet stem and the draw bar; the rivet stem is placed at the upper end of the draw bar; the upper portion of the draw bar is sleeved in the cavity; the cavity comprises an upper inverted cone and a lower cone; the minimum inner diameter on the lower portion of the upper inverted cone is connected with the minimum inner diameter on the upper portion of the lower cone; the cone angle of the upper inverted cone is larger than that of the lower cone; the maximum outer diameter of the rivet stem is larger than the maximum inner diameter of the upper inverted cone; the maximum outer diameter of the rivet stem is smaller than the maximum inner diameter of the lower cone; and the minimum inner diameter of the upper inverted cone is larger than the outer diameter of the draw bar. The utility model further provides a rivet machine with a recycled draw bar and a rivet stem. The rivet containing the recycled draw bar and the rivet stem and the rivet machine special for same can increase resource utilization rate and reduce utilization cost.
Description
Technical field
The utility model belongs to rivet and riveting machine field, especially a kind of self-plugging rivet and special-purpose riveting machine thereof.
Background technique
As everyone knows, according to GB/T12617.1-2006 and GB/T12618.1-2006 etc., country has carried out standardization to self-plugging rivet, specifically provides scope, specific quoting document, size, combination of materials and surface treatment, mechanical property, workmanship and acceptance, sign and packing, mark totally eight regulations.And stipulated that nail body diameter is that 2.4mm～5mm, nail body material are that aluminum alloy (AIA), nail core material are steel relevant parameters such as (St).
Self-plugging rivet is the rivet that a class blind riveting is used, and special tool---riveting machine is riveted but must use, and has in the market manually and pneumatic two types riveting machine.This class rivet is specially adapted to the riveted joint occasion that conventional rivets (rivet on the palpus two sides) adopted in inconvenience, so be widely used on the products such as building, machinery, automobile, boats and ships, aircraft, electrical equipment, furniture.The self-plugging rivet type has the flat round end self-plugging rivet of enclosed type, 120 deg flush head break mandrel blind rivers, the flat round end self-plugging rivet of open type etc.Wherein most widely used with the flat round end self-plugging rivet of open type, the countersunk head self-plugging rivet is applicable to that the surface needs level and smooth riveted joint occasion, and Closed End Blind Rivet is applicable to have relatively high expectations load and the riveted joint occasion with certain sealability.
Although self-plugging rivet is standardization, and its application area is quite extensive.But the deficiency of its maximum point is that existing self-plugging rivet is after the riveting machine staking, and the nail body is fixed in connected piece, and nail core pull bar is subjected to the limitations affect and operator self the environmental consciousness deficiency of self-plugging rivet self structure, is in most cases directly thrown away nature.Its a pair of environment is unfavorable, and it two is a kind of extremely serious waste of material.Environmental pollution is unquestionable, with regard to the waste of material phenomenon, calculates according to the 4 * 10mm self-plugging rivet that provides on the market, and the shared volume of nail body roughly is 31.1 ∏ mm
3, the shared volume of nail core pull bar is about 40 ∏ mm
3, if nail core pull bar can recycle, the material economy rate is 56.26%.In other words, if a box rivet has 500,30 yuan of market prices, wherein nearly 17 yuan cost of material need be recycled or unfeelingly be wasted, and befouling environment.Big it, with regard to a country, total material unaccounted-for (MUF) amount is just quite serious.
2.4,3,3.2,4,4.8,5 six kind of specification in the new national standard there be the self-plugging rivet nominal diameter:.The structure that adopt its nail body inside all is inner cylinders, and this just causes following closely the core pull bar will cause the nail body to produce deformation, the workpiece of riveting over, and the rod head diameter needs bigger than rivet nominal diameter, and external broach is extremely to a certain degree, and rod head breaks at nail body inside.
Summary of the invention
For the deficiency that resource utilization is low, cost is high that overcomes existing self-plugging rivet, the utility model provides a kind of circulating rivet of nail core pull bar and special-purpose riveting machine thereof that improves resource utilization, reduces user cost.
The technological scheme that its technical problem that solves the utility model adopts is:
The circulating rivet of a kind of nail core pull bar comprises nail body and nail core bar, and the middle part of described nail body is provided with cavity, and described nail core bar comprises nail core and pull bar, and described nail core is positioned at the upper end of pull bar, and the top of described pull bar is sleeved in the cavity; Described cavity comprises inverted cone and following circular cone, the described bottom minimum diameter of going up inverted cone is in the described little inner radius in top of circular cone down and joins, the cone angle of described upward inverted cone is bigger than the cone angle of described circular cone down, the maximum outside diameter of described nail core is bigger than the maximum inner diameter of described upward inverted cone, the maximum outside diameter of described nail core is littler than the maximum inner diameter of described circular cone down, and the minimum diameter of described upward inverted cone is bigger than the external diameter of described pull bar.
A kind of riveting machine, described riveting machine comprises shell, the automatic clamping mechanism in front in the enclosure is installed, pulling force clamping mechanism and deliver to the feeding mechanism of work station in order to will follow closely body, the circulating rivet of nail core pull bar comprises nail body and nail core bar, described nail core bar comprises nail core and pull bar, the top of described pull bar is provided with in order to the automatic clamping mechanism in front with pull bar chucking location, the middle part of described pull bar is provided with in order to chucking and drives the pulling force clamping mechanism that pull bar pumps, the below of described pull bar is provided with described feeding mechanism, the nail body of described feeding mechanism place station be positioned at described pull bar under, be provided with push rod under the described nail body placement station, the maximum outside diameter of described push rod upper end is between the internal diameter of the lower end of the maximum outside diameter of described nail body and described nail body, the internal diameter of described push rod is bigger than the external diameter of described pull bar, and described push rod is connected with the feed mechanism that pumps in order to the drive push rod.
Further, the automatic clamping mechanism in described front comprises the automatic dop of triangle, cover and the automatic dop of triangle are trapped on the automatic dop of triangle, cover is trapped with the automatic dop of triangle and is fixedlyed connected on the automatic dop of described triangle, the automatic dop of described triangle is trapped and is installed in the enclosure, the internal recess of overlapping on the automatic dop of described triangle embeds the automatic dop of described triangle, described internal recess is installed automatic garter spring, described automatic garter spring withstands on the automatic dop of described triangle, the automatic dop of described triangle is the circular cone inclined-plane near the inboard of described pull bar, and the automatic dop of described triangle withstands on the described pull bar.
Further again, the automatic dop of described triangle has three, and three automatic dops are 120 degree distributions at interval at circumferencial direction.
Further, described pulling force clamping mechanism comprises the clamping dop, rivet pulling force clamping head, upper spring, lower spring and guide pillar, the elasticity coefficient of described upper spring is littler than the elasticity coefficient of described lower spring, described clamping dop is stuck in outside the described pull bar, described clamping dop is the circular cone inclined-plane near the inboard of described pull bar, the bottom of described clamping dop is connected with the upper end of described guide pillar, described upper spring is sleeved on the top of described guide pillar, the upper end of described upper spring is connected with the bottom of described clamping dop, described rivet pulling force clamping head is not stuck in outside the described pull bar when not being subjected to external force, described rivet pulling force clamping head comprises the clamping head outer shroud, in fixed cover and in order to draw close the telescopic chuck of tensioning when the pressurized to pull bar, the lower end on described circular cone inclined-plane is pressed in outside the described telescopic chuck, described telescopic chuck is connected with an end of clamping head spring, the other end of described clamping head spring withstands on the described middle fixed cover, described clamping head outer shroud is fixedlyed connected with described middle fixed cover, the lower end of described upper spring is connected with the upper end of described clamping head outer shroud, described clamping head is equipped with the pilot hole that passes for described guide pillar outward, the middle part suit lower spring of described guide pillar, the lower end of described clamping head outer shroud is connected with the upper end of described lower spring, the lower end of described lower spring is connected with the enclosure pressing plate, and the lower end of described guide pillar is connected with the driving mechanism that the driving guide pillar pumps.
Fixedly connected with tension board in the lower end of described guide pillar, described tension board can slide up and down to be installed in the described shell, and line shaft is installed in the lower end of described tension board, and described line shaft is connected with Power Drive Unit.
Described Power Drive Unit comprises the hydraulic pressure shell, be provided with epicoele in the described hydraulic pressure shell, cavity of resorption and controlled chamber, it between described epicoele and the cavity of resorption piston, described piston is fixedlyed connected with the lower end of described line shaft, described epicoele is provided with hydraulic fluid port, the described hydraulic fluid port of going up is provided with one-way valve, the described filler opening of going up one-way valve is communicated with described controlled chamber, described cavity of resorption is provided with down hydraulic fluid port, described hydraulic fluid port down is provided with down one-way valve, the described oil outlet of one-way valve down is communicated with described controlled chamber, and hydraulic spring grease cup is installed in the described controlled chamber, and described hydraulic spring grease cup is connected with the operating device of controlling the volume convergent-divergent of controlled chamber in order to following pressing spring.
Described operating device comprises power lever, handle and connecting rod and free bearing, one end of described power lever is connected with hydraulic spring grease cup, the other end of described power lever and the middle part of handle and connecting rod are hinged, described free bearing is installed in the outside of described hydraulic pressure shell, the upper end of described handle and connecting rod and described free bearing are hinged, and the lower end of described handle and connecting rod is provided with operating grip.
Front end is installed in the upper end of described hydraulic pressure shell, and described front end is installed in the movable end of union, and described union is installed in the lower end of described shell.
Described line shaft is hollow structure, and described push rod passes described line shaft, fixedlys connected with operating stem in the lower end of described push rod, and described operating stem stretches out described hydraulic pressure shell, has the vertical chute that slides up and down for operating stem on the described hydraulic pressure shell.
Described Power Drive Unit can be manually, pneumatic actuating device or Vidacare corp.
Described feeding mechanism comprises automatic roulette wheel, described automatic roulette wheel is installed in rotation on the supporting frame, support frame as described above is installed in the described shell, the sidewall of described automatic roulette wheel has helical groove, the rotation latch is installed in the described helical groove, support frame as described above is provided with the chute that slides for described rotation latch, and described automatic rotary shaft is to having at least two nail body suit holes for the placement of nail body;
The internal diameter in described nail body suit hole is bigger than the maximum outside diameter of described nail body, install in the described nail body suit hole in order to realize the symmetrical sheet elastic sheet of nail body small end axis centering, described symmetrical sheet elastic sheet is littler than the minimum outer diameter of described nail body at nature space minimum diameter, and the stressed rear space maximum inner diameter of described symmetrical sheet elastic sheet is bigger than the maximum outside diameter of described nail body.Above-mentioned fitting relation can be realized: under nature, the nail body can be put into described nail body suit hole, and realize the axis centering of nail body by symmetrical sheet elastic sheet; When push rod pushing tow nail body is stressed, open after symmetrical sheet elastic sheet is stressed then, the nail body can pass through smoothly.
The rib bearing is installed at the two ends of described automatic roulette wheel, and described rib Bearing Installation is on stationary axle, and described stationary axle both sides are equipped with the backgauge axle sleeve, and described stationary axle and backgauge axle sleeve are installed on the support frame as described above.
Technical conceive of the present utility model is: the two-sided conical surface that is inside contraction of the nail body of rivet, like this, nail core pull bar is under the effect of external broach, when producing deformation, the nail body not only outwards expands but also inwardly contraction, extremely to a certain degree, when following closely body inner conical face size greater than nail core rod head biggest place diameter, complete the withdrawing from of nail core pull bar, the riveted joint of nail body is workpiece upward.In addition, recycling because of nail core pull bar, hardness should be bigger than the nail body during its material selection.
Riveting machine is made of five critical pieces, is respectively: the automatic clamping mechanism in front, pulling force clamping mechanism, feeding mechanism, shell mechanism and hydraulic power mechanism.Automatically open when the body feeding is followed closely in the automatic clamping mechanism principal security in front, follow closely body and to work station, tighten nail core pull bar automatically, when following closely the bodily form change nail body head is carried out position limit.Vacant circular hole in the middle of under the pulling force clamping mechanism nature, its size and nail body head maximum diameter place basically identical, chucking nail core pull bar earlier during work provides backward active force to it then, causes the nail bodily form to become, and outer power removes and automatically reverts to original position.Automatic rotating mechanism provides preparation nail body.The shell mechanism effect mainly is to connect each parts in one, and each mechanism is rationally effective.Hydraulic power mechanism mainly provides power, and in addition, push rod designs thereon, will prepare the nail body and be pushed into working position.
The existing relatively riveting machine of integral body, part is more relatively, but structure is meticulous, connection and reasonable arrangement.The most important thing is that this structure can realize following closely recycling of core pull bar.
1), improve resource utilization, energy saving, protection environment the beneficial effects of the utility model mainly show:: after nail core pull bar can recycle, the material economy rate of rivet self was up to 56.26%; 2), preparation nail body is installed on the automatic roulette wheel of feeding mechanism, once can place six to eight preparation nail bodies, utilize sinusoidal guide groove mechanism, the last rivet nail of every riveted joint body, automatic rotating mechanism rotates respective angles, preparation nail body is to correct position, and then each placement rivet time of saving, improves total efficiency; 3), as long as external force act on the power arm-tie, its final active force all can cause pull bar to finish the staking process.Can be a lot of and the power arm-tie is applied its kind of external force, novel riveting machine designs with hydraulic power mechanism, also can design manual novel riveting machine, pneumatic novel riveting machine, and electronic novel riveting machine.Just can develop in conjunction with other several parts mechanisms of novel riveting machine as long as power mechanism is made respective change, flexibility is stronger relatively; 4), according to six kinds of specifications of the self-plugging rivet nominal diameter of stipulating in the new national standard.The major part of five parts does not all need to do big variation in the novel riveting machine, only needs to change circulating nail core pull bar, and the automatic roulette wheel of placement preparation nail body and nail body push rod etc. get final product, and interchangeability is stronger relatively; 5), reduced user cost.
Description of drawings
Fig. 1 is the structural representation of the circulating rivet of nail core pull bar.
Fig. 2 is the structural representation of the special-purpose riveting machine of the circulating rivet of nail core pull bar.
Fig. 3 is the schematic representation of nail core pull bar and front clamping mechanism thereof.
Fig. 4 is the schematic representation of pulling force clamping mechanism.
Fig. 5 is the schematic representation of feeding mechanism.
Fig. 6 is the stereogram of feeding mechanism.
Fig. 7 is the schematic representation of hydraulic power unit.
Fig. 8 is the side view of Fig. 7.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1, the circulating rivet of a kind of nail core pull bar comprises nail body 2 and nail core bar 1, and the middle part of described nail body 2 is provided with cavity, and described nail core bar 1 comprises nail core and pull bar, and described nail core is positioned at the upper end of pull bar, and the top of described pull bar is sleeved in the described cavity; Described cavity comprises inverted cone and following circular cone, the described bottom minimum diameter of going up inverted cone is in the described little inner radius in top of circular cone down and joins, the cone angle of described upward inverted cone is bigger than the cone angle of described circular cone down, the maximum outside diameter of described nail core is bigger than the maximum inner diameter of described upward inverted cone, the maximum outside diameter of described nail core is littler than the maximum inner diameter of described circular cone down, and the minimum diameter of described upward inverted cone is bigger than the external diameter of described pull bar.
The inner structure that adopts of existing self-plugging rivet nail body all is inner cylinders, is riveted to that nail core rod head breaks at nail body inside on the workpiece.What novel rivet nail body internal structure adopted is, the two-sided conical surface that is inside contraction, and top cone angle is more relatively large than following, as shown in Figure 1.For the benefit of express, circulating nail core pull bar length is through dwindling among the figure, and main structure remains unchanged.The oval structure of conical surface coupling on head employing and the rivet nail body, the centre section of having worm structure with pulling force clamping mechanism clamping head internal thread coupling, is beneficial to clamping and motion together.In addition, recycling because of nail core pull bar, hardness should be bigger than novel rivet nail body during its material selection.
Working principle: circulating nail core pull bar is under the effect of external broach, the nail body moves backward relatively, nail body head is subjected to the front automatic dop of automatic clamping mechanism triangle spacing, the nail body produces deformation, deformation is not only outwards expanded simultaneously but also is inwardly shunk, and when nail core rod head is necessarily located to novel rivet nail body inner conical face, its inner circular radius size is during greater than nail core rod head biggest place diameter, complete the withdrawing from of nail core pull bar, the nail body is riveted on the workpiece.
With reference to Fig. 1～Fig. 8, a kind of riveting machine, described riveting machine comprises shell 3, be installed in the automatic clamping mechanism 4 in front in the shell 3, pulling force clamping mechanism 5 and deliver to the feeding mechanism 6 of work station in order to will follow closely body, the circulating rivet of nail core pull bar comprises nail body 2 and nail core bar 1, described nail core bar 1 comprises nail core and pull bar, the top of described pull bar is provided with in order to the automatic clamping mechanism 4 in front with pull bar chucking location, the middle part of described pull bar is provided with in order to chucking and drives the pulling force clamping mechanism 5 that pull bar pumps, the below of described pull bar is provided with described feeding mechanism 6, the nail body of described feeding mechanism 6 place station be positioned at described pull bar under, be provided with push rod 8 under the described nail body placement station, the maximum outside diameter of described push rod 8 upper ends is between the internal diameter of the lower end of the maximum outside diameter of described nail body and described nail body, and the internal diameter of described push rod 8 is bigger than the external diameter of described pull bar.
The automatic clamping mechanism 4 in described front comprises the automatic dop 43 of triangle, cover 44 and the automatic dop of triangle trap 45 on the automatic dop of triangle, cover 44 is trapped with the automatic dop of triangle and 45 is fixedlyed connected on the automatic dop of described triangle, the automatic dop of described triangle is trapped and 45 is installed in the shell 3, the internal recess of cover 44 embeds the automatic dop 43 of described triangle on the automatic dop of described triangle, described internal recess is installed automatic garter spring 42, described automatic garter spring 42 withstands on the automatic dop 43 of described triangle, the automatic dop 43 of described triangle is the circular cone inclined-plane near the inboard of described pull bar, and the automatic dop 43 of described triangle withstands on the described pull bar.
The automatic dop 43 of described triangle has three, and three automatic dops are 120 degree distributions at interval at circumferencial direction.
Described pulling force clamping mechanism 5 comprises clamping dop 59, rivet pulling force clamping head 57, upper spring 58, lower spring 52 and guide pillar, the elasticity coefficient of described upper spring 58 is littler than the elasticity coefficient of described lower spring 52, described clamping dop 59 is stuck in outside the described pull bar, described clamping dop 59 is the circular cone inclined-plane near the inboard of described pull bar, the bottom of described clamping dop 59 is connected with the upper end of described guide pillar, described upper spring 58 is sleeved on the top of described guide pillar, the upper end of described upper spring 58 is connected with the bottom of described clamping dop 59, described rivet pulling force clamping head 57 is not stuck in outside the described pull bar when not being subjected to external force, described rivet pulling force clamping head 57 comprises clamping head outer shroud 54, in fixed cover 51 and in order to draw close the telescopic chuck of tensioning when the pressurized to pull bar, the lower end on described circular cone inclined-plane is pressed in outside the described telescopic chuck, described telescopic chuck is connected with an end of clamping head spring 56, the other end of described clamping head spring 56 withstands on the described middle fixed cover 51, described clamping head outer shroud 54 is fixedlyed connected with described middle fixed cover 51, the lower end of described upper spring 58 is connected with the upper end of described clamping head outer shroud 54, described clamping head outer shroud 54 is provided with the pilot hole that passes for described guide pillar, the middle part suit lower spring 52 of described guide pillar, the lower end of described clamping head outer shroud 54 is connected with the upper end of described lower spring 52, the lower end of described lower spring 52 is connected with the enclosure pressing plate, and the lower end of described guide pillar is connected with the driving mechanism that the driving guide pillar pumps.
Fixedly connected with tension board 71 in the lower end of described guide pillar, described tension board 71 can slide up and down to be installed in the described shell 3, and line shaft is installed in the lower end of described tension board 71, and described line shaft is connected with Power Drive Unit 7.
Described Power Drive Unit 7 comprises hydraulic pressure shell 74, be provided with epicoele B in the described hydraulic pressure shell 74, cavity of resorption C and controlled chamber A, be piston between described epicoele B and the cavity of resorption C, described piston is fixedlyed connected with the lower end of described line shaft, described epicoele is provided with hydraulic fluid port, the described hydraulic fluid port of going up is provided with one-way valve 78, the described filler opening of going up one-way valve 78 is communicated with described controlled chamber, described cavity of resorption is provided with down hydraulic fluid port, described hydraulic fluid port down is provided with down one-way valve 713, the described oil outlet of one-way valve 713 down is communicated with described controlled chamber, and hydraulic spring grease cup 711 is installed in the described controlled chamber, and described hydraulic spring grease cup 711 is connected with the operating device of controlling the volume convergent-divergent of controlled chamber in order to following pressing spring.
Described operating device comprises power lever 712, handle and connecting rod 710 and free bearing 714, one end of described power lever 712 is connected with hydraulic spring grease cup 711, the middle part of the other end of described power lever 712 and handle and connecting rod 710 is hinged, described free bearing 714 is installed in the outside of described hydraulic pressure shell 74, the upper end of described handle and connecting rod 710 and described free bearing 714 are hinged, and the lower end of described handle and connecting rod 710 is provided with operating grip.
Described line shaft is hollow structure, and described push rod 8 passes described line shaft, fixedlys connected with operating stem 76 in the lower end of described push rod 8, and described operating stem 76 stretches out described hydraulic pressure shell 74, has the vertical chute that slides up and down for operating stem on the described hydraulic pressure shell 74.
Described Power Drive Unit 7 can be manual driving device, pneumatic actuating device or Vidacare corp.
Described feeding mechanism 6 comprises automatic roulette wheel 63, described automatic roulette wheel 63 is installed in rotation on the supporting frame 62, support frame as described above 62 is installed in the described shell 3, the sidewall of described automatic roulette wheel 63 has helical groove, rotation latch 61 is installed in the described helical groove, support frame as described above 62 is provided with the feeding chute that slides for described rotation latch, and described automatic rotary shaft is to having at least two nail body suit holes for 2 placements of nail body;
Described nail body suit hole internal diameter is bigger than described nail body 2 maximum outside diameters, installs in the described nail body suit hole in order to realize the symmetrical sheet elastic sheet 67 of nail body axis centering.Described symmetrical sheet elastic sheet 67 is littler than the minimum outer diameter of described nail body 2 at nature space minimum diameter, and the stressed rear space maximum inner diameter of described symmetrical sheet elastic sheet can be bigger than the maximum outside diameter of described nail body 2.
Rib bearing 68 is installed at the two ends of described automatic roulette wheel 63, described rib bearing 68 is installed on the stationary axle 64, described stationary axle 64 both sides are equipped with backgauge axle sleeve 66, and described stationary axle 64 and backgauge axle sleeve 66 are installed on the support frame as described above 62, and 65 pairs of stationary axle 64 of jump ring are spacing.
In the present embodiment, automatic clamping mechanism 4 integral installations in front are fixed by the upper tip of shell 3 in the upper end of shell.Pulling force clamping mechanism 5 integral body are mounted to the inside, upper end of shell 3 along inner three the T type guide blocks of shell front end, and are fixing by tension board 71.Feeding mechanism 6 integral installations utilize knot that can be undone by a pull for convenience detach and fixing in the rear end of shell 3.Hydraulic drive mechanism 7 is fixed on the lower end outmost turns outside thread of shell 3 by the loose joint cover.Five parts constitute an organic whole, realize the periodic duty of rivet pull bar jointly.
Generally speaking: push rod 8 promotes to prepare in the feeding mechanism 6 the nail body under external force and moves upward, to working position topmost.The automatic clamping mechanism 4 in front tightens automatically, and hydraulic power mechanism 7 provides power to cause pulling force clamping mechanism 5 two-part spring deformations, and acting in conjunction moves after making the circulation pull bar, and nail body 2 is riveted to workpiece.External force is removed, and the each several part spring makes each part return of parts, and the new preparation nail body of feeding mechanism 6 so circulates to working position.
The structure of the automatic clamping mechanism 4 in front: cover 44 and the automatic dop of triangle trap 45 on the automatic dop of triangle, tighten fixing bolt 46 automatically by two and are fixed in one.Embed three the 120 automatic dops 43 of degree triangle in its internal recess, the automatic dop 43 side lower central of each triangle are opened diameter 4.5mm circular hole, and mounting point and dop put Kong Chengyi bar axis, install three automatic garter springs 42.Nail core bar 2 heads are installed nail body 1, and the two is installed on the automatic dop of triangle 43 tops as a whole.
The structure of pulling force clamping mechanism 5: rivet pulling force clamping head 57 is made of two same sections, is semi-circular butt joint clamping head, is installed on clamping head outer shroud 54 inside.Fixed cover 51 installing in the middle of clamping head outer shroud 54 bottoms is then fixed with two clamping head outer shroud Cock screws 53.Clamping head spring 56 is installed between rivet pulling force clamping head 57 and middle fixed cover 51, fixing with clamping head Cock screw 55.After installing spring 58 on three guide pillars of clamping dop 59, integral installation is installed three lower springs 52 at last in clamping head outer shroud guide pillar pilot hole inside.
Because pulling force clamping mechanism 5 overall fixed are in shell 3, lower spring 52 bottoms are blocked by the tension board 71 of shell inside middle, three guide pillars are through the tension effect of back power source mechanism, clamping dop 59 beginnings shrinks downwards, because upper spring 58 is littler than lower spring 52 elasticity coefficient, upper spring 58 spaces of living at first are compressed, and clamp dop 59 and cause two-part rivet pulling force clamping head to shrink the described pull bar of clamping.Continuing to apply power makes three guide pillars continue to move down, this moment, lower spring 52 spaces of living in began to be compressed, pull bar after the clamping begins to move down, because its head contact stud body, the nail body by the automatic dop of triangle 43 stop can't after move, workpiece is gone up in the 1 beginning deformation riveted joint of nail body, and extremely certain core bar 2 of constantly following closely breaks away from from nail body 1.When power source is decorporated, two-part spring automatically returns to former having living space.
Feeding mechanism 6 adopts automatic rotating mechanism, its structure is: six preparation nail bodies at first are installed in six preparations of automatic roulette wheel chamber, automatically rib bearing 68 is installed at roulette wheel 63 two ends respectively, be installed on together on the roulette wheel stationary axle 64, install backgauge axle sleeve 66 more respectively, overall fixed is undertaken spacing by 65 pairs of stationary axle of automatic rotating mechanism jump ring 64 on supporting frame 62 again.Meanwhile, install rotation latch 61 between automatic roulette wheel 63 and supporting frame 62.
The automatic rotating mechanism integral installation is after on the riveting machine, and the body spatial position is determined relatively.It is 360 that the outer side surface design of its automatic roulette wheel 63 has guide groove, the angle of rotation of one-period
0/ n, n represent automatic roulette wheel preparation chamber number, tentatively design by n=6.Rotation latch 61 whenever carries out a to-and-fro motion, and the roulette wheel rotation 360 automatically
0/ n encloses, and can guarantee axial location of preparing the chamber center line over against described push rod 8 topmost, and preparation nail body is to be pushed out to working position next time to get ready.After preparation nail body was all finished using, integral body was taken out automatic rotating mechanism, installed new preparation nail body.
The structure of shell 3 is: after the automatic clamping mechanism 4 in front is installed in shell 3 upper ends, the shell upper tip is installed, the automatic clamping mechanism 4 in front is carried out fixed limit.According to three guide-localization T type pieces of shell upper end lower interior portion, install pulling force clamping mechanism 5 again, carry out spacing to the lower spring in the pulling force clamping mechanism 5 52 by installing the enclosure pressing plate.And the enclosure pressing plate is by after being threaded of shell upper end and shell lower end, push against act on carry out spacing.After installing the shell lower end, install the automatic rotating mechanism knot that can be undone by a pull in its side and fix, hydraulic power mechanism is installed in its back.
The structure of hydraulic power unit 7 is: hydraulic pressure shell 74 inside are provided with the hydraulic pressure return flow line, by 75 controls of pressure release knob.In addition, by hydraulic pressure push shaft piston and tension board 71 and first one-way valve 78, second one-way valve 713, three spaces are told in hydraulic mechanism inside.Following one-way valve 78 control hydraulic oil can only enter the A chamber from the C chamber by following return port, last one-way valve 713 control hydraulic oil can only enter the B chamber by last return port from the A chamber, the oil pocket internal stop is isolated A chamber and C chamber, oil body in hydraulic pressure outer casing back head and the Front oil seal plate Seal cage.Handle and connecting rod 710 and power lever 712 and hydraulic spring grease cup 711 common control A cavity volume spatial variations, each chamber fluid changes causes hydraulic pressure push shaft piston and tension board 71 motions, by C chamber internal reset spring reset.In addition, hydraulic pressure shell 4 flutings provide push rod 8 to pump.Hydraulic power mechanism integral body is to be connected with shell 3 and to fix by the union 73 of hydraulic pressure shell.
Hydraulic power mechanism mainly is after masterpiece is used for handle and connecting rod 710 outside, cause the variation of volume space in the power lever 712 compression A chambeies, and two, A chamber is controlled by an one-way valve, therefore, when the A chamber dwindled, following one-way valve 78 was closed, and unnecessary hydraulic oil enters in the B chamber through last one-way valve 713; Enlarge constantly when the A chamber is subjected to the spring restoring force, last one-way valve 713 is closed, and hydraulic oil one-way valve 78 under the warp of C chamber is supplemented to the A chamber.Cause hydraulic pressure push shaft and tension board 71 to move downward like this, drive 5 work of pulling force clamping mechanism.After rivet nail body is riveted on the workpiece, external force stops, at this moment, open pressure release knob 75, the upper end of the inner returning spring in C chamber withstands on the bottom of described piston, and the lower end of the inner returning spring in described C chamber is positioned at the bottom in described C chamber, under the effect of the inner returning spring in C chamber, B chamber hydraulic oil is back in the C chamber, and realization work purpose so circulates.
The circulating rivet of nail core pull bar of present embodiment and riveting machine can be suitable for the application of existing self-plugging rivet and existing riveting machine substantially.Moreover, because the variability of novel riveting machine power source especially can be developed hydraulic type and electrodynamic type riveting machine, it is used can be more convenient.On products such as building, machinery, automobile, boats and ships, bridge, aircraft, electrical equipment, furniture, good application prospects is arranged all.
Claims (10)
1. the circulating rivet of nail core pull bar comprises nail body and nail core bar, and the middle part of described nail body is provided with cavity, and described nail core bar comprises nail core and pull bar, and described nail core is positioned at the upper end of pull bar, and the top of described pull bar is sleeved in the cavity; It is characterized in that: described cavity comprises inverted cone and following circular cone, the described bottom minimum diameter of going up inverted cone is in the described little inner radius in top of circular cone down and joins, the cone angle of described upward inverted cone is bigger than the cone angle of described circular cone down, the maximum outside diameter of described nail core is bigger than the maximum inner diameter of described upward inverted cone, the maximum outside diameter of described nail core is littler than the maximum inner diameter of described circular cone down, and the minimum diameter of described upward inverted cone is bigger than the external diameter of described pull bar.
2. riveting machine that adopts the circulating rivet of nail core pull bar as claimed in claim 1, it is characterized in that: described riveting machine comprises shell, the automatic clamping mechanism in front in the enclosure is installed, pulling force clamping mechanism and deliver to the feeding mechanism of work station in order to will follow closely body, the circulating rivet of nail core pull bar comprises nail body and nail core bar, described nail core bar comprises nail core and pull bar, the top of described pull bar is provided with in order to the automatic clamping mechanism in front with pull bar chucking location, the middle part of described pull bar is provided with in order to chucking and drives the pulling force clamping mechanism that pull bar pumps, the below of described pull bar is provided with described feeding mechanism, the nail body of described feeding mechanism place station be positioned at described pull bar under, be provided with push rod under the described nail body placement station, the maximum outside diameter of described push rod upper end is between the internal diameter of the lower end of the maximum outside diameter of described nail body and described nail body, and the internal diameter of described push rod is bigger than the external diameter of described pull bar.
3. riveting machine as claimed in claim 2, it is characterized in that: the automatic clamping mechanism in described front comprises the automatic dop of triangle, cover and the automatic dop of triangle are trapped on the automatic dop of triangle, cover is trapped with the automatic dop of triangle and is fixedlyed connected on the automatic dop of described triangle, the automatic dop of described triangle is trapped and is installed in the enclosure, the internal recess of overlapping on the automatic dop of described triangle embeds the automatic dop of described triangle, described internal recess is installed automatic garter spring, described automatic garter spring withstands on the automatic dop of described triangle, the automatic dop of described triangle is the circular cone inclined-plane near the inboard of described pull bar, and the automatic dop of described triangle withstands on the described pull bar.
4. as claim 2 or 3 described riveting machines, it is characterized in that: described pulling force clamping mechanism comprises the clamping dop, rivet pulling force clamping head, upper spring, lower spring and guide pillar, the elasticity coefficient of described upper spring is littler than the elasticity coefficient of described lower spring, described clamping dop is stuck in outside the described pull bar, described clamping dop is the circular cone inclined-plane near the inboard of described pull bar, the bottom of described clamping dop is connected with the upper end of described guide pillar, described upper spring is sleeved on the top of described guide pillar, the upper end of described upper spring is connected with the bottom of described clamping dop, described rivet pulling force clamping head is stuck in outside the described pull bar, described rivet pulling force clamping head comprises the clamping head outer shroud, in fixed cover and in order to draw close the telescopic chuck of tensioning when the pressurized to pull bar, the lower end on described circular cone inclined-plane is pressed in outside the described telescopic chuck, described telescopic chuck is connected with an end of clamping head spring, the other end of described clamping head spring withstands on the described middle fixed cover, described clamping head outer shroud is fixedlyed connected with described middle fixed cover, the lower end of described upper spring is connected with the upper end of described clamping head outer shroud, described clamping head is equipped with the pilot hole that passes for described guide pillar outward, the middle part suit lower spring of described guide pillar, the lower end of described clamping head outer shroud is connected with the upper end of described lower spring, the lower end of described lower spring is connected with the enclosure pressing plate, and the lower end of described guide pillar is connected with the driving mechanism that the driving guide pillar pumps.
5. riveting machine as claimed in claim 4, it is characterized in that: fixedly connected with tension board in the lower end of described guide pillar, described tension board can slide up and down to be installed in the described shell, and line shaft is installed in the lower end of described tension board, and described line shaft is connected with Power Drive Unit.
6. riveting machine as claimed in claim 5, it is characterized in that: described Power Drive Unit comprises the hydraulic pressure shell, be provided with epicoele in the described hydraulic pressure shell, cavity of resorption and controlled chamber, it between described epicoele and the cavity of resorption piston, described piston is fixedlyed connected with the lower end of described line shaft, described epicoele is provided with hydraulic fluid port, the described hydraulic fluid port of going up is provided with one-way valve, the described filler opening of going up one-way valve is communicated with described controlled chamber, described cavity of resorption is provided with down hydraulic fluid port, described hydraulic fluid port down is provided with down one-way valve, the described oil outlet of one-way valve down is communicated with described controlled chamber, hydraulic spring grease cup is installed in the described controlled chamber, and described hydraulic spring grease cup is connected with the operating device of controlling the volume convergent-divergent of controlled chamber in order to following pressing spring.
7. riveting machine as claimed in claim 6, it is characterized in that: described operating device comprises power lever, handle and connecting rod and free bearing, one end of described power lever is connected with hydraulic spring grease cup, the other end of described power lever and the middle part of handle and connecting rod are hinged, described free bearing is installed in the outside of described hydraulic pressure shell, the upper end of described handle and connecting rod and described free bearing are hinged, and the lower end of described handle and connecting rod is provided with operating grip.
8. riveting machine as claimed in claim 6, it is characterized in that: described line shaft is hollow structure, described push rod passes described line shaft, fixedly connected with operating stem in the lower end of described push rod, described operating stem stretches out described hydraulic pressure shell, has the vertical chute that slides up and down for operating stem on the described hydraulic pressure shell.
9. riveting machine as claimed in claim 5 is characterized in that: described Power Drive Unit is manual driving device, pneumatic actuating device or Vidacare corp.
10. as claim 2 or 3 described riveting machines, it is characterized in that: described feeding mechanism comprises automatic roulette wheel, described automatic roulette wheel is installed in rotation on the supporting frame, support frame as described above is installed in the described shell, the sidewall of described automatic roulette wheel has helical groove, the rotation latch is installed in the described helical groove, and support frame as described above is provided with the chute that slides for described rotation latch, and described automatic rotary shaft is to having at least two for following closely the nail body suit hole that body is placed;
The internal diameter in described nail body suit hole is bigger than the maximum outside diameter of described nail body, install in the described nail body suit hole in order to realize the symmetrical sheet elastic sheet of nail body small end axis centering, described symmetrical sheet elastic sheet is littler than the minimum outer diameter of described nail body at nature space minimum diameter, and the stressed rear space maximum inner diameter of described symmetrical sheet elastic sheet is bigger than the maximum outside diameter of described nail body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020521375XU CN201779111U (en) | 2010-09-08 | 2010-09-08 | Rivet containing recycled draw bar and rivet stem and rivet machine special for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020521375XU CN201779111U (en) | 2010-09-08 | 2010-09-08 | Rivet containing recycled draw bar and rivet stem and rivet machine special for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201779111U true CN201779111U (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020521375XU Expired - Lifetime CN201779111U (en) | 2010-09-08 | 2010-09-08 | Rivet containing recycled draw bar and rivet stem and rivet machine special for same |
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| Country | Link |
|---|---|
| CN (1) | CN201779111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943199A (en) * | 2010-09-08 | 2011-01-12 | 许进 | Rivet-core pulling-rod circular rivet and special rivet making machine thereof |
-
2010
- 2010-09-08 CN CN201020521375XU patent/CN201779111U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943199A (en) * | 2010-09-08 | 2011-01-12 | 许进 | Rivet-core pulling-rod circular rivet and special rivet making machine thereof |
| CN101943199B (en) * | 2010-09-08 | 2012-01-25 | 许进 | Rivet-core pulling-rod circular rivet and special rivet making machine thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110330 Effective date of abandoning: 20120125 |