CN202803943U - Progressive die for manufacturing expansion bolt casing pipes - Google Patents

Progressive die for manufacturing expansion bolt casing pipes Download PDF

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Publication number
CN202803943U
CN202803943U CN 201220484414 CN201220484414U CN202803943U CN 202803943 U CN202803943 U CN 202803943U CN 201220484414 CN201220484414 CN 201220484414 CN 201220484414 U CN201220484414 U CN 201220484414U CN 202803943 U CN202803943 U CN 202803943U
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China
Prior art keywords
punch
die
block
blanking
plug
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CN 201220484414
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Chinese (zh)
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雷洪建
赵品杨
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雷洪建
赵品杨
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Priority to CN 201220484414 priority Critical patent/CN202803943U/en
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Publication of CN202803943U publication Critical patent/CN202803943U/en
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Abstract

A progressive die for manufacturing expansion bolt casing pipes comprises an upper die and a lower die. The upper die comprises an upper die seat, a convex die fixing plate and a positioning guiding plate, wherein the convex die fixing plate is provided with a hole punch, a cutting punch and a laying-off edge rolling punch. The lower die comprises a lower die seat and a concave die plate, wherein the concave die plate is provided with a punching die, a cutting die and a laying-off edge rolling die, a first support block is arranged on one side of the laying-off edge rolling die, a blanking opening is formed in the other side of the laying-off edge rolling die, and a second support block is arranged between the blanking opening and the laying-off edge rolling die. A guiding block is located on the other side opposite to the blanking opening and the second support block, one end of a core rod is in clearance fit with the guiding block, and the other end of the core rod is matched with a driving connecting block used for being connected a driving device in a shaft locating mode and a sliding mode. By means of the progressive die for manufacturing the expansion bolt casing pipes, the expansion bolt casing pipes can be machined continuously at a plurality of positions of the one progressive die, production cost is lowered, and production efficiency is improved.

Description

Make the progressive die of expansion bolt sleeve pipe
Technical field
The utility model relates to a kind of progressive die, particularly relates to a kind of progressive die of making the expansion bolt sleeve pipe.
Background technology
Along with the development of Industry and Construction, the use amount of expansion bolt is increasing, and correspondingly, the demand of expansion bolt sleeve pipe is also increasing.At present, the mould that the expansion bolt sleeve pipe adopts in industrial production usually is single operation stamping die, elder generation's blanking, then adopt a plurality of punch presses, many molds to finish successively punching, rush tooth, each operations such as side cut, volume circle, this mould can not adopt coiled material to produce continuously as raw material, production efficiency is low, and expend a large amount of manpower and materials, increased cost of manufacture, be factory's problem demanding prompt solution so design a kind of mould that can use bar shaped coiled material raw material to process continuously the expansion bolt sleeve pipe on a punch press always.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, and a kind of progressive die of making the expansion bolt sleeve pipe is provided, and it can process the expansion bolt sleeve pipe continuously on a plurality of stations of a mould, reduced production cost, has improved production efficiency.
The purpose of this utility model is achieved in that
A kind of progressive die of making the expansion bolt sleeve pipe, comprise patrix, counterdie, described patrix comprises upper bolster, punch retainer, positioning guiding plate, punch retainer is fixed on the upper bolster between upper bolster and positioning guiding plate, described punch retainer is provided with eyelet punch, cut brokenly drift, blanking volume round punch, the positioning guiding plate correspondence is provided with eyelet punch, cut brokenly the pilot hole of drift guiding, be provided with a plurality of Compress Springs between positioning guiding plate and the upper bolster, described punch retainer is provided with the centering locating dowel, positioning guiding plate is by arranging the centering pilot hole and the centering locating dowel is slidingly matched, described counterdie comprises die shoe and concave template, described concave template is provided with the centering locating hole, the centering locating dowel that arranges on centering locating hole and the punch retainer is corresponding, described concave template is provided with the punching mould, cut brokenly mould, blanking volume circle mould is corresponding eyelet punch respectively, cut brokenly drift, blanking volume round punch, blanking volume circle mould one side is established the first back-up block, opposite side is established blanking port, establish the second back-up block between blanking port and the blanking volume circle mould, first, the second back-up block can be slidingly matched with concave template with moving up and down, the first elastic device is installed in the die shoe bottom, first, the second back-up block lower end props up the first elastic device by supporting post-rod respectively, be positioned at the blanking port opposite side relative with the second back-up block and be provided with the guide pad that can slide up and down, described guide pad below is provided with back-moving spring, this guide pad and first, the second back-up block is positioned at same straight line, one end of plug and guide pad matched in clearance, the other end of plug is slidingly matched with the driving contiguous block axle location that is used for connecting drive device, described plug can stretch under the driving that drives contiguous block in the blanking volume circle mould, cutting brokenly of described concave template is provided with push rod in the mould, the lower end of push rod props up the second elastic device that install the die shoe bottom surface, the feed end of described concave template is provided with two spacing guide pads, and the distance between two spacing guide pads is the width of material.
The eyelet punch that arranges on the described punch retainer, cut brokenly that the order that drift, blanking volume round punch arranges along direction of feed is followed successively by eyelet punch, cuts brokenly drift, blanking volume round punch, perhaps cut brokenly drift, eyelet punch, blanking volume round punch.
On the described punch retainer Bending punch is set, this Bending punch is positioned at before the putting in order of blanking volume round punch, and is adjacent with blanking volume round punch, and the corresponding Bending punch of bender is set on the concave template.
On the described punch retainer alignment pin is set, this alignment pin is positioned at after the putting in order of eyelet punch, and is adjacent with eyelet punch, and the corresponding alignment pin of dowel hole is set on the concave template.
Described punch retainer is provided with presses the tooth drift, presses the tooth drift parallel with eyelet punch, presses the tooth top of tooth drift facing to eyelet punch, and positioning guiding plate is provided with corresponding pilot hole of pressing the tooth drift, and described concave template is provided with presses the tooth mould and press the tooth drift corresponding.
Described blanking volume round punch is provided with volume circle shaping upper mold section and upper cutoff tool, volume circle shaping upper mold section is the concave arc that Open Side Down, described upper cutoff tool is positioned at volume circle shaping upper mold section side, described blanking volume circle mould is provided with volume circle shaping female die and lower cutoff tool, volume circle shaping female die is the concave arc of opening upwards, and lower cutoff tool is corresponding with upper cutoff tool dislocation.
Described the first back-up block is provided with the bar hole that inserts for plug, the second back-up block upper end is provided with deep-slotted chip breaker, described guide pad is provided with the pilot hole with the plug matched in clearance, when described plug stretches in the blanking volume circle mould, be supported in the bar hole of the first back-up block, the deep-slotted chip breaker of the second back-up block, the pilot hole of guide pad under the driving that drives contiguous block.
Described driving contiguous block is provided with the seam chute that slides up and down for plug, one end of plug is provided with defining flange, this defining flange is arranged in the seam chute, forms plug and is slidingly matched with the axle location that drives contiguous block, is provided with back-moving spring between plug and the driving contiguous block.
The sidepiece of described die shoe is provided with slide rail, and a drive unit is installed on the slide rail, and the expansion link of drive unit is connected with the driving contiguous block, and described drive unit can make the driving contiguous block move back and forth along slide rail.
Described the first elastic device is comprised of top board, base plate, elastoplast post and screw rod, described elastoplast post is between top board and base plate, described screw rod passes top board, base plate, elastoplast post and is connected in the die shoe bottom surface, and described top board contacts with supporting post-rod.
Owing to adopted such scheme, the eyelet punch that arranges on the punch retainer, cut brokenly the punching mould that arranges on the concave template of drift, blanking volume round punch and counterdie, cut brokenly mould, blanking volume circle mould forms punching structure of the present utility model, the eyelet punch that arranges on the punch retainer, cut brokenly that the order that drift, blanking volume round punch arranges along direction of feed is followed successively by eyelet punch, cuts brokenly drift, blanking volume round punch, perhaps cut brokenly drift, eyelet punch, blanking volume round punch.Two spacing guide pads form location structure of the present utility model.Drive and to be flexibly connected a plug on the contiguous block, plug can stretch under the driving that drives contiguous block in the chamber of blanking volume circle mould and cooperate blanking volume round punch and blanking volume circle mould to finish last volume circle molding procedure.During work, blank passes feed end under the driving of feed arrangement two spacing guide pads enter each station successively, and under the punch press effect, finish drilling process, cut brokenly operation, blanking volume sired results order, plug is pulled out the expansion bolt sleeve pipe after the moulding of volume circle under the drive that drives contiguous block, and the blanking chute discharging by being communicated with blanking volume circle mould die cavity.So the utility model can be processed the expansion bolt sleeve pipe continuously on a plurality of stations of a mould, only need punch press, a mold just can finish a plurality of operations of expansion bolt sleeve pipe between from raw material to the finished product, with low cost, the production efficiency height.
Blanking volume circle mould both sides are respectively equipped with the first back-up block and the second back-up block, first, the second back-up block can be slidingly matched with concave template with moving up and down, the first elastic device is installed in the die shoe bottom, first, the second back-up block lower end props up the first elastic device by supporting post-rod respectively, the opposite side that blanking port is relative with the second back-up block is provided with the guide pad that can slide up and down, the guide pad below is provided with back-moving spring, the first back-up block is provided with the bar hole that inserts for plug, the second back-up block upper end is provided with deep-slotted chip breaker, guide pad is provided with the pilot hole with the plug matched in clearance, when plug stretches in the blanking volume circle mould, be supported in the bar hole of the first back-up block under the driving that drives contiguous block, the deep-slotted chip breaker of the second back-up block, the pilot hole of guide pad.One end of plug is slidingly matched with the driving contiguous block axle location that is used for connecting drive device, this end of plug is provided with defining flange, this defining flange is arranged in and drives the seam chute that contiguous block is provided with, form plug and be slidingly matched with the axle location that drives contiguous block, be provided with back-moving spring between plug and the driving contiguous block.Described structure can cooperate blanking volume round punch and blanking volume circle mould to finish blanking volume sired results order and guarantee that plug has the height that drive expansion bolt sleeve pipe passes the second back-up block together.Before blanking volume round punch presses down, plug inserts the upper circular arc of the bar hole of the first back-up block under the driving that drives contiguous block, withstand the blank below, when blanking volume round punch presses down, blank is cut off by the lower cutoff tool that arranges on the upper cutoff tool that arranges on the blanking volume round punch and the blanking volume circle mould, cut blank and plug move down together, when plug moves down under the first back-up block bar hole circular arc, support plug by the first elastic device by the first back-up block and the second back-up block, cut blank is rolled up round shaping upper mold section and plug is squeezed into inverted U-shaped, along with blanking volume round punch continues to press down, inverted U-shaped blank two ends under the effect of volume circle shaping female die become cylindrical shape and are enclosed within on the plug to middle bent.
Punch retainer is provided with presses the tooth drift, presses the tooth drift parallel with eyelet punch, presses the tooth top of tooth drift facing to eyelet punch, and positioning guiding plate is provided with corresponding pilot hole of pressing the tooth drift, and described concave template is provided with presses the tooth mould and press the tooth drift corresponding.Owing to adopted this structure, the utility model also can the production end has the expansion bolt sleeve pipe of tooth.
On the described punch retainer Bending punch is set, this Bending punch is positioned at before the putting in order of blanking volume round punch, and is adjacent with blanking volume round punch, and the corresponding Bending punch of bender is set on the concave template.The expansion bolt sleeve pipe volume circle better effects if that adopts this structure that the utility model is produced.
On the described punch retainer alignment pin is set, this alignment pin is positioned at after the putting in order of eyelet punch, and is adjacent with eyelet punch, and the corresponding alignment pin of dowel hole is set on the concave template, and alignment pin makes positioning accuracy of the present utility model higher.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is the top view of counterdie in the utility model;
Fig. 3 is the front view of counterdie in the utility model;
Fig. 4 is the front view of patrix in the utility model;
Fig. 5 is the upward view of patrix in the utility model;
Fig. 6 is the upward view of the utility model convex mould fixed head;
Fig. 7 is that the utility model convex mould fixed plate A-A is to cutaway view.
1 is upper bolster in the accompanying drawing, and 2 is punch retainer, and 3 is fairlead, 4 is positioning guiding plate, and 5 is concave template, and 6 is lead, 7 is die shoe, and 8 is plug, and 9 is back-moving spring, 10 for driving contiguous block, and 11 is drive unit, and 12 is slide rail, 13 is the first elastic device, 14 second elastic devices, and 15 is spacing guide pad, 16 is locating piece, and 17 is guide pad, and 18 are blanking volume circle mould, 19 is the centering locating hole, and 20 is dowel hole, and 21 are the punching mould, 22 is thimble, and 23 is blanking port, and 24 for pressing the tooth drift, 25 are the groove of stepping down, and 26 is bender, and 27 for cutting brokenly mould, 28 is alignment pin, and 29 is the centering locating dowel, and 30 for cutting brokenly drift, 31 is Bending punch, and 32 are blanking volume round punch, and 33 is eyelet punch, 34 is the first back-up block, and 35 is the second back-up block, and 36 for pressing the tooth mould.
The specific embodiment
Referring to Fig. 1 to Fig. 7, make a kind of embodiment of the progressive die of expansion bolt sleeve pipe for the utility model, comprise upper die and lower die, an end of patrix is provided with two fairleads 3, the corresponding end of counterdie is provided with two leads 6, and fairlead 3 and lead 6 gaps cooperate.Described patrix comprises upper bolster 1, punch retainer 2, positioning guiding plate 4, punch retainer 2 is fixed on the upper bolster between upper bolster 1 and positioning guiding plate 4, upper bolster 1 is connected with punch retainer and is connected with bolt, the punch retainer 2 of described patrix is provided with eyelet punch 33, cut brokenly drift 30, blanking volume round punch 32, the eyelet punch that arranges on the described punch retainer, cut brokenly drift, the order that blanking volume round punch is arranged along direction of feed is followed successively by eyelet punch, cut brokenly drift, blanking volume round punch, perhaps cut brokenly drift, eyelet punch, blanking volume round punch, in the present embodiment, the eyelet punch that arranges on the punch retainer, cut brokenly drift, the order that blanking volume round punch is arranged along direction of feed is followed successively by eyelet punch, cut brokenly drift, blanking volume round punch.Described blanking volume round punch 32 is provided with volume circle shaping upper mold section and upper cutoff tool, volume circle shaping upper mold section is the concave arc that Open Side Down, described upper cutoff tool is positioned at volume circle shaping upper mold section side, described eyelet punch 33 quantity are more than three or three, for the purpose of general, eyelet punch 33 quantity are made as three in the present embodiment, and the described width of cutting brokenly drift 30 equals the centre-to-centre spacing of two adjacent eyelet punch 33.Positioning guiding plate 4 correspondences are provided with eyelet punch 33, alignment pin 28, cut brokenly the pilot hole of drift 30, Bending punch 31 guiding; be provided with a plurality of Compress Springs between positioning guiding plate 4 and the upper bolster 1; Compress Spring is positioned at the hole that arranges on the punch retainer 2; perhaps; Compress Spring also can be positioned at around the punch retainer 2; the backing plate of different-thickness can be set according to need of production, to increase mold height and protection upper bolster 1 between upper bolster 1 and the punch retainer 2.Described punch retainer 2 is provided with centering locating dowel 29, positioning guiding plate 4 is by arranging the centering pilot hole and centering locating dowel 29 is slidingly matched, the quantity of centering locating dowel 29 is at least two, on punch retainer 2, evenly distribute, select 3 centering locating dowels 29 in the present embodiment, distribution triangular in shape on convex template, centering locating dowel 29 can position positioning guiding plate 4, prevent that positioning guiding plate 4 from rotating, positioning guiding plate 4 leads to each drift by the pilot hole that arranges again.Described counterdie comprises die shoe 7 and concave template 5, and die shoe 7 is fixedly connected with concave template 5 usefulness bolts, and the backing plate of differing heights can be set according to need of production between die shoe 7 and the concave template 5, to increase mold height and protection die shoe 7; Described concave template 5 is provided with centering locating hole 19, and the centering locating dowel 29 that arranges on centering locating hole 19 and the punch retainer 2 is corresponding, and centering locating dowel 29 and centering locating hole 19 cooperate.Described concave template 5 is provided with successively punching mould 21, cuts broken mould 27, blanking volume circle mould 18 along direction of feed, blanking volume circle mould 18 respectively corresponding eyelet punch 33, cut brokenly drift 30, round punch 32 is rolled up in blanking.Described blanking volume circle mould 18 is provided with volume circle shaping female die and lower cutoff tool, volume circle shaping female die is the concave arc of opening upwards, lower cutoff tool is corresponding with upper cutoff tool dislocation, and the radius of curvature of described volume circle shaping female die concave arc is greater than the radius of curvature of the concave arc of volume circle shaping upper mold section.Blanking volume circle mould 18 1 sides are established the first back-up block 34, opposite side is established blanking port 23, described blanking port 23 can be skewed slot or square hole etc., for connecting material conveniently, present embodiment is selected the oblique slot blanking port, establish the second back-up block 35 between blanking port 23 and the blanking volume circle mould 18, the first back-up block 34, the second back-up block 35 can be slidingly matched with concave template 5 with moving up and down, the first elastic device 13, the first back-up blocks 34 are installed in die shoe 7 bottoms, the second back-up block 35 lower ends prop up the first elastic device 13 by supporting post-rod respectively.Described the first elastic device 13 is comprised of top board, base plate, elastoplast post and screw rod, described elastoplast post is between top board and base plate, described screw rod passes top board, base plate, elastoplast post and is connected in die shoe 7 bottom surfaces, and described top board contacts with supporting post-rod.Perhaps, described the first elastic device 13 also can be for being equipped with the spring base of metal spring.Be positioned at blanking port 23 opposite side relative with the second back-up block 35 and be provided with the guide pad 17 that can slide up and down, described guide pad 17 belows are provided with back-moving spring 9, this guide pad 17 and the first back-up block 34, the second back-up block 35 are positioned at same straight line, one end of plug 8 and guide pad 17 matched in clearance, 17 pairs of plugs 8 of described guide pad play support, lead and take off the material effect, the other end of plug 8 is slidingly matched with the driving contiguous block 10 axles location that is used for connecting drive device 11, and described plug 8 can stretch under the driving that drives contiguous block 10 in the blanking volume circle mould 18.Described driving contiguous block 10 is provided with the seam chute that slides up and down for plug 8, one end of plug 8 is provided with defining flange, this defining flange is arranged in the seam chute, forms plug 8 and is slidingly matched with the axle location that drives contiguous block 10, is provided with back-moving spring 9 between plug 8 and the driving contiguous block 10.Described the first back-up block 34 is provided with the bar hole that inserts for plug 8, the second back-up block 35 upper ends are provided with deep-slotted chip breaker, described guide pad 17 is provided with the pilot hole with plug 8 matched in clearance, described plug 8 stretches into blanking volume circle mould 18 when interior under the driving that drives contiguous block 10, be supported in the bar hole of the first back-up block 34, the deep-slotted chip breaker of the second back-up block 35, the pilot hole of guide pad 17.When off working state, the center of circle of the pilot hole in the center of circle of plug 8 and the guide pad 17 is contour, the upper circular arc center of circle of the bar hole in the first back-up block 34 is higher than the center of circle of plug 8, the end point of the lower circular arc of bar hole and the circular arc bottom point of deep-slotted chip breaker are contour, and described structure can cooperate blanking volume round punch 32 and blanking volume circle mould 18 to finish blanking volume sired results order and guarantee that plug 8 has the height that drive expansion bolt sleeve pipe passes the second back-up block 35 together.The sidepiece of described die shoe 7 is provided with slide rail 12, and a drive unit 11 is installed on the slide rail 12, and the expansion link of drive unit 11 is connected with driving contiguous block 10, and described drive unit 11 can make and drive contiguous block 10 along slide rail 12 reciprocating motions.Described drive unit 11 can be cylinder, hydraulic cylinder, mechanical cam device etc., and for cost consideration, present embodiment selects cylinder as drive unit 11.Be provided with push rod in the die cavity of cutting brokenly mould 27 of described concave template 5, the lower end of push rod props up the second elastic device that install die shoe 7 bottoms, and described push rod withstands blank, and blank is not deformed in cutting brokenly operation.Push rod quantity can be one or more, selects two push rods in the present embodiment.Described the second elastic device two ends are respectively equipped with top board and base plate, are provided with two Compress Springs between top board and the base plate, and two adjustable bolts pass base plate, Compress Spring and top board and are connected on the bottom surface with die shoe 7, and described top board contacts with push rod.Perhaps, described the second elastic device also can be the elastic device that is comprised of elastoplast post, base plate, top board and screw rod, this elastoplast post is between top board and base plate, and described screw rod passes top board, base plate, elastoplast post and is connected in the die shoe bottom surface, and described top board contacts with push rod.The distance that the feed end of described concave template 5 is provided with between 15, two spacing guide pads 15 of two spacing guide pads is the width of material, the vertical direction location of 15 pairs of blank feedings of described spacing guide pad.Side along the middle part of blank direction of feed on the concave template 5 is provided with spacing guide pad 15, front end along the blank direction of feed is provided with locating piece 16, described spacing guide pad 15 extend to form spacing turning edge to blank one side, improved guiding accuracy and machining accuracy to blank.Described concave template 5 is provided with the elasticity thimble 22 for the jack-up blank, and elasticity thimble 22 is located in the blank feeding trip segment.Elasticity thimble 22 quantity are more than two, for the purpose of cost, select 2 elasticity thimbles in the present embodiment, thimble 22 makes blank and concave template 5 break away from and be close to the downside of spacing guide pad 15 spacing turning edges with spacing guide pad 15, and blank can not interfered with concave template 5 in the feeding process.
The utility model not only is confined to above-described embodiment, on the architecture basics of above-described embodiment, can also arrange on the described punch retainer and press tooth drift 24, press the tooth drift parallel with eyelet punch, press the tooth top of tooth drift facing to eyelet punch, positioning guiding plate is provided with corresponding pilot hole of pressing the tooth drift, and described concave template is provided with presses tooth mould 36 and press the tooth drift corresponding.The quantity of tooth is identical with the quantity of eyelet punch on the described pressure tooth drift, presses tooth drift and eyelet punch to be positioned at same processing stations.Owing to adopted said structure, made the utility model also can produce the expansion bolt sleeve pipe that there is tooth the end.
The utility model not only is confined to above-described embodiment, on the architecture basics of above-described embodiment, on the described punch retainer Bending punch 31 can also be set, this Bending punch is positioned at before the putting in order of blanking volume round punch, adjacent with blanking volume round punch, bender 26 corresponding Bending punches are set on the concave template.The order of arranging when the punch retainer upper punch is followed successively by eyelet punch, cuts brokenly drift, during blanking volume round punch, this Bending punch is being cut brokenly between drift and the blanking volume round punch, when the order of arranging when the punch retainer upper punch was followed successively by and cuts brokenly drift, eyelet punch, blanking volume round punch, this Bending punch was between eyelet punch and blanking volume round punch.Can also be according to the need of production setting groove 25 of stepping down on the described concave template, step down groove between bender and blanking volume circle mould, the quantity that the quantity of groove of stepping down equals to cut cut, be provided with two grooves of stepping down in the present embodiment, when bender and the distance between the groove of stepping down surpass the blank primary feed apart from the time, the positioning guiding plate the when groove of stepping down can prevent that the blank after the bending is stamped flattens.Owing to adopted this structure, blank is before the volume circle, and incision is gone out first circular arc, the expansion bolt sleeve pipe volume circle better effects if that the utility model is produced.
The utility model not only is confined to above-described embodiment, on the architecture basics of above-described embodiment, on the described punch retainer alignment pin 28 can also be set, this alignment pin is positioned at after the putting in order of eyelet punch, adjacent with eyelet punch, the corresponding alignment pin of dowel hole is set on the concave template.When on the punch retainer along direction of feed set gradually eyelet punch, cut brokenly drift, during blanking volume round punch, alignment pin is at eyelet punch and cut brokenly between the drift; When setting gradually when cutting brokenly drift, eyelet punch, Bending punch, blanking volume round punch along direction of feed on the punch retainer, alignment pin is between eyelet punch and Bending punch.Described alignment pin and eyelet punch are positioned at along on the same straight line of direction of feed, make the hole accomplished fluently on the blank can be with the blank feed motion under alignment pin, alignment pin can be taper bolt, straight pin or chamfered edge pin, for accurate positioning, select taper bolt as alignment pin in the present embodiment.
The utility model not only is confined to above-described embodiment; the utility model can be designed to different size according to the needs of actual production; produce the expansion bolt sleeve pipe of different size, model; in the situation that does not deviate from the technical solutions of the utility model spirit, carry out the technical scheme of a little change, should fall into protection domain of the present utility model.
On punch retainer along direction of feed be provided with successively eyelet punch, alignment pin, cut brokenly drift, Bending punch, blanking volume round punch, and be provided with corresponding eyelet punch and be provided with when pressing the tooth drift, the course of work of progressive die is as follows, before the work, patrix is installed on the punch press jumper bar, and the counterdie correspondence is installed on the work bench of punch press, and the blank coiled strip is installed in the feed arrangement, punch press and feed arrangement are controlled by control centre, and the length of the each feeding of blank is three times of adjacent eyelet punch centre-to-centre spacing.During work, blank passes feed end under the driving of feed arrangement two spacing guide pads enter the first station, and under the eyelet punch punching press, go out three holes and three teeth, when blank entered follow-up station, alignment pin passed the hole that the first station beats and forms accurate location.When blank entered the second station, blank was cut brokenly two road junctions in the punching press of cutting brokenly drift, and incision site is positioned at the center in adjacent two holes of blank to tooth root section, finishes and cuts brokenly operation.When blank entered the 3rd station, blank in going out circular arc along otch, was finished the bending operation under the punching press of Bending punch.When blank enters the 4th station, before blanking volume round punch presses down, plug inserts the bar hole of the first back-up block under the driving of cylinder, withstand the blank below, when blanking volume round punch presses down, blank is cut off by the lower cutoff tool that arranges on the upper cutoff tool that arranges on the blanking volume round punch and the blanking volume circle mould, cut blank and plug move down together, when plug moves down under the first back-up block bar hole circular arc, support plug by the first elastic device by the first back-up block and the second back-up block, cut blank is rolled up round shaping upper mold section and plug is squeezed into inverted U-shaped, along with blanking volume round punch continues to press down, inverted U-shaped blank two ends under the effect of volume circle shaping female die become cylindrical shape and are enclosed within on the plug to middle bent.Plug is taken the expansion bolt sleeve pipe out of after the moulding of volume circle under the driving that drives contiguous block, and after plug withdrawed from blanking port, guide pad blocks the expansion bolt sleeve pipe broke away from expansion bolt sleeve pipe and plug, and after the disengaging, swollen bolt sleeve is by the blanking port discharging.Above-mentioned four stations are worked simultaneously, realize the continuous production of expansion bolt sleeve pipe.

Claims (10)

1. progressive die of making the expansion bolt sleeve pipe, comprise patrix, counterdie, it is characterized in that: described patrix comprises upper bolster, punch retainer, positioning guiding plate, punch retainer is fixed on the upper bolster between upper bolster and positioning guiding plate, described punch retainer is provided with eyelet punch, cut brokenly drift, blanking volume round punch, the positioning guiding plate correspondence is provided with eyelet punch, cut brokenly the pilot hole of drift guiding, be provided with a plurality of Compress Springs between positioning guiding plate and the upper bolster, described punch retainer is provided with the centering locating dowel, positioning guiding plate is by arranging the centering pilot hole and the centering locating dowel is slidingly matched, described counterdie comprises die shoe and concave template, described concave template is provided with the centering locating hole, the centering locating dowel that arranges on centering locating hole and the punch retainer is corresponding, described concave template is provided with the punching mould, cut brokenly mould, blanking volume circle mould is corresponding eyelet punch respectively, cut brokenly drift, blanking volume round punch, blanking volume circle mould one side is established the first back-up block, opposite side is established blanking port, establish the second back-up block between blanking port and the blanking volume circle mould, first, the second back-up block can be slidingly matched with concave template with moving up and down, the first elastic device is installed in the die shoe bottom, first, the second back-up block lower end props up the first elastic device by supporting post-rod respectively, be positioned at the blanking port opposite side relative with the second back-up block and be provided with the guide pad that can slide up and down, described guide pad below is provided with back-moving spring, this guide pad and first, the second back-up block is positioned at same straight line, one end of plug and guide pad matched in clearance, the other end of plug is slidingly matched with the driving contiguous block axle location that is used for connecting drive device, described plug can stretch under the driving that drives contiguous block in the blanking volume circle mould, cutting brokenly of described concave template is provided with push rod in the mould, the lower end of push rod props up the second elastic device that install the die shoe bottom surface, the feed end of described concave template is provided with two spacing guide pads, and the distance between two spacing guide pads is the width of material.
2. the progressive die of making expansion bolt sleeve pipe according to claim 1, it is characterized in that: the eyelet punch that arranges on the described punch retainer, cut brokenly that the order that drift, blanking volume round punch arranges along direction of feed is followed successively by eyelet punch, cuts brokenly drift, blanking volume round punch, perhaps cut brokenly drift, eyelet punch, blanking volume round punch.
3. the progressive die of making expansion bolt sleeve pipe according to claim 1 and 2, it is characterized in that: on the described punch retainer Bending punch is set, this Bending punch is positioned at before the putting in order of blanking volume round punch, adjacent with blanking volume round punch, the corresponding Bending punch of bender is set on the concave template.
4. the progressive die of making expansion bolt sleeve pipe according to claim 1 and 2, it is characterized in that: on the described punch retainer alignment pin is set, this alignment pin is positioned at after the putting in order of eyelet punch, and is adjacent with eyelet punch, and the corresponding alignment pin of dowel hole is set on the concave template.
5. the progressive die of making expansion bolt sleeve pipe according to claim 1 and 2, it is characterized in that: described punch retainer is provided with presses the tooth drift, press the tooth drift parallel with eyelet punch, press the tooth top of tooth drift facing to eyelet punch, positioning guiding plate is provided with corresponding pilot hole of pressing the tooth drift, and described concave template is provided with presses the tooth mould and press the tooth drift corresponding.
6. the progressive die of making expansion bolt sleeve pipe according to claim 1, it is characterized in that: described blanking volume round punch is provided with volume circle shaping upper mold section and upper cutoff tool, volume circle shaping upper mold section is the concave arc that Open Side Down, described upper cutoff tool is positioned at volume circle shaping upper mold section side, described blanking volume circle mould is provided with volume circle shaping female die and lower cutoff tool, volume circle shaping female die is the concave arc of opening upwards, and lower cutoff tool is corresponding with upper cutoff tool dislocation.
7. the progressive die of making expansion bolt sleeve pipe according to claim 1, it is characterized in that: described the first back-up block is provided with the bar hole that inserts for plug, the second back-up block upper end is provided with deep-slotted chip breaker, described guide pad is provided with the pilot hole with the plug matched in clearance, when described plug stretches in the blanking volume circle mould, be supported in the bar hole of the first back-up block, the deep-slotted chip breaker of the second back-up block, the pilot hole of guide pad under the driving that drives contiguous block.
8. the progressive die of making expansion bolt sleeve pipe according to claim 1, it is characterized in that: described driving contiguous block is provided with the seam chute that slides up and down for plug, one end of plug is provided with defining flange, this defining flange is arranged in the seam chute, form plug and be slidingly matched with the axle location that drives contiguous block, be provided with back-moving spring between plug and the driving contiguous block.
9. the progressive die of making expansion bolt sleeve pipe according to claim 1, it is characterized in that: the sidepiece of described die shoe is provided with slide rail, a drive unit is installed on the slide rail, the expansion link of drive unit is connected with the driving contiguous block, and described drive unit can make the driving contiguous block move back and forth along slide rail.
10. the progressive die of making expansion bolt sleeve pipe according to claim 1, it is characterized in that: described the first elastic device is comprised of top board, base plate, elastoplast post and screw rod, described elastoplast post is between top board and base plate, described screw rod passes top board, base plate, elastoplast post and is connected in the die shoe bottom surface, and described top board contacts with supporting post-rod.
CN 201220484414 2012-09-21 2012-09-21 Progressive die for manufacturing expansion bolt casing pipes Expired - Fee Related CN202803943U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103878422A (en) * 2014-03-19 2014-06-25 李云辉 Full-automatic processing equipment for expansion pipe of expansion bolt
CN104492936A (en) * 2014-08-22 2015-04-08 张昌才 Automobile steel plate clamp sleeve die and production working procedure of sleeve
CN104959463A (en) * 2015-06-17 2015-10-07 佛山市顺德区凯硕精密模具自动化科技有限公司 Intelligent automatic stamping mould
CN105057469A (en) * 2015-09-16 2015-11-18 浙江汇丰汽配制造有限公司 Sleeve-formation progressive die
CN107214245A (en) * 2017-06-14 2017-09-29 江苏博俊工业科技股份有限公司 The progressive die even cuts band folded structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103878422A (en) * 2014-03-19 2014-06-25 李云辉 Full-automatic processing equipment for expansion pipe of expansion bolt
CN103878422B (en) * 2014-03-19 2016-07-06 李云辉 The equipment for automatically processing of the swelling pipe of expansion bolt
CN104492936A (en) * 2014-08-22 2015-04-08 张昌才 Automobile steel plate clamp sleeve die and production working procedure of sleeve
CN104959463A (en) * 2015-06-17 2015-10-07 佛山市顺德区凯硕精密模具自动化科技有限公司 Intelligent automatic stamping mould
CN105057469A (en) * 2015-09-16 2015-11-18 浙江汇丰汽配制造有限公司 Sleeve-formation progressive die
CN105057469B (en) * 2015-09-16 2017-03-22 浙江汇丰汽配制造有限公司 Sleeve-formation progressive die
CN107214245A (en) * 2017-06-14 2017-09-29 江苏博俊工业科技股份有限公司 The progressive die even cuts band folded structure

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