A kind of sleeve pipe forming progressive die
Technical field
The invention belongs to pressing equipment technical field, is related to a kind of sleeve pipe forming progressive die.
Background technology
With the development of society, the progress of science and technology, industrial production manufacture gradually mechanization, automation, to improve production effect
Rate.
Sleeve pipe is a kind of using relatively broad part, and traditional sleeve pipe processing will be rolled into tubular using cutter before this
Raw material or long straight flat raw material are cut into elongated sheet material, then gone out at the two ends of sheet material by punch press can be mutual
The dop of clamping, is then placed on sheet material on specific different moulds, and by bending, being molded, the multiple working procedure such as integer makes
The mutual clamping of dop at sheet material two ends, makes elongated flat sheet fabrication become tubular sleeve pipe.
The machining manufacture of this kind of structure of sleeve pipe needs to use multiple punch presses, many molds, is sequentially completed punching, punching
Each operation such as tooth, trimming, edge rolling, i.e., can not be used directly to connect using the raw material for being rolled into tubular or long straight flat raw material
Continuous production, low production efficiency is required to substantial amounts of place to deposit semi-finished product after completing each procedure, and semi-finished product are removed
Dynamic also extremely inconvenience, needs to expend substantial amounts of manpower and materials, and needs to configure plurality of devices when processing sleeve pipe, drive many cover dies
Tool, cost of manufacture are high.
The content of the invention
The purpose of the present invention is for the above-mentioned problems in the prior art, it is proposed that a kind of sleeve pipe is molded progressive die
How tool, solution make existing sleeve pipe one-shot forming, improve working (machining) efficiency, reduce production cost.
The purpose of the present invention can be realized by following technical proposal:A kind of sleeve pipe forming progressive die, including upper bolster
And die shoe, it is characterised in that the upper bolster includes top board and stripper plate, and the stripper plate is located at the lower section of top board and top board
It is connected by many upper springs with stripper plate, the bottom of the top board is sequentially provided with drift, the upper mould that bends from left to right, in shaping
Mould and cutting knife in mould, integer, with passing through for mould in drift, bend upper mould, shaping upper, integer and cutting knife on the stripper plate
Through hole, the die shoe included base plate, with the punching being correspondingly arranged with drift in the base plate, also had in the base plate
Mounting groove, the right-hand member of the right side of the mounting groove through base plate, be sequentially provided with the mounting groove from left to right the lower mould that bends, into
Mould and blanking slope under mould, integer under type, in bend upper mould, shaping upper, the integer mould and cutting knife respectively with the lower mould that bends,
Under the lower mould of shaping, integer, mould and blanking slope correspond and arrange, and are provided with lower bullet between the bottom of the lower mould that bends and base plate
Spring, the right side of the lower mould that bends also are fixed with cylindrical shaping column, and the shaping post part is located at shaping upper, integer
Under upper mould and the lower mould of shaping, integer between mould, when upper bolster is moved down, the cutting knife is attached on the end face of shaping column right-hand member.
Upper spring plays a part of buffering, reduces the impulsive force that collision is produced, and reduces the impulsive force that sheet material is subject to, stability
Good, the mating shapes of shaping column and sleeve pipe, sheet material integral coating can form sleeve pipe on shaping column;Drift and punching set
Put, the two ends of sheet material go out can mutual clamping dop, the setting of bend upper mould and the lower mould that bends carries out part to sheet material
Cut off and make sheet material to curve semicircle shape from tabular, the setting of shaping upper and the lower mould of shaping makes to curve the sheet material base of semicircle shape
Originally being coated on shaping column makes the sheet material of strip essentially become circle, now the non-clamping of the dop at sheet material two ends, mould in integer
Setting with mould under integer makes the mutual clamping of dop at sheet material two ends so that sheet fabrication becomes sleeve pipe, the setting of cutting knife with
Shaping column is engaged the sleeve pipe that will be connected and cuts off one by one, and formation sleeve pipe single one by one drops and realizes in blanking slope
Blanking, completes processing;This sleeve pipe forming progressive die is completed the punching of sleeve pipe, cutting plate, bends, is molded and whole by a punching press
The all process steps that sleeve pipe is molded are integrated into one manufacturing procedure by type, i.e. this progressive die, roll up tubular raw material or long straight
Flat raw material can be processed in being continuously transported to this progressive die, high in machining efficiency, low production cost.
In a kind of above-mentioned sleeve pipe forming progressive die, the upper mould that bends is included in pre- trimming from left to right successively
Mould, two ends bend upper mould and the overall upper mould that bends, and the bend bottom middle of upper mould of mould in the pre- trimming, two ends is respectively provided with edge
The arc groove that direction is arranged from left to right, the lower mould that bends include installing plate, and the lower spring is located at installing plate and base plate
Between, it is sequentially provided with mould under pre- trimming, two ends on the installing plate from left to right and bends lower mould and the overall lower mould that bends, it is described pre-
Mould in trimming, two ends bend upper mould and the overall upper mould that bends is bended with mould under pre- trimming, two ends respectively lower mould and it is overall bend under
Mould is corresponded and is arranged, under the pre- trimming mould and two ends bend lower mould crown center at be respectively provided with and set along direction from left to right
The arc convex put, the arc groove are matched with arc convex, and the left end insertion of the shaping column is connected in two ends and bends
In lower mould, the entirety bends lower mould also including support base, and bottom and the installing plate of the support base are fixedly connected with, and top is resisted against
On shaping column.
The setting of arc convex and arc groove, makes in pre- trimming under mould and pre- trimming mould in shearing, the centre of sheet material
Also it is connected together, prevents sheet material in punching press shift, improve the stability of sheet material, improve punching precision, while pre-cut
Under Bian Shangmo and pre- trimming, mould makes sheet material produce less bending;Upper mould is bended at two ends and two ends are bended, and lower mould makes the two ends of sheet material
It is bent downwardly, enables sheet material to be preferably rolled into a circle;Entirety bends upper mould and the overall lower mould that bends make slight curving sheet material around
Shaping column and curve U-shaped sheet material, bending for sheet material is divided into three steps and is carried out by this kind of structure, that improves that sheet material bends stablizes
Property, the precision that sheet material bends is improved, the generation of defective products, improve production efficiency is reduced;Two ends bend lower mould and support base it is right
Shaping column plays a part of support, improves the firmness that support column is installed, and so as to improve the machining accuracy of sleeve pipe, lower spring rises
To the effect of buffering, the impulsive force that collision is produced is reduced, reduce the impulsive force that sheet material is subject to.
In a kind of above-mentioned sleeve pipe forming progressive die, in the pre- trimming, upper mould is bended along the longitudinal direction in mould, two ends
Width be all higher than the overall upper mould width along the longitudinal direction that bends, under the pre- trimming, lower mould is bended along front and back in mould, two ends
To width be all higher than the overall lower mould width along the longitudinal direction that bends.The degree that this kind of structure is bent with sheet material is corresponding, closes
Reason utilization space, improves machining accuracy.
In a kind of above-mentioned sleeve pipe forming progressive die, on the shaping upper and integer, mould is integral structure.Into
In type in mould and integer mould be it is corresponding with shaping column, therefore can on shaping upper and integer mould processing it is integrated
Structure, integral structure firmness are high, improve the precision of sleeve pipe shaping.
In a kind of above-mentioned sleeve pipe forming progressive die, the bottom of the shaping upper has upper groove, the shaping
The top of lower mould has low groove, and the low groove is made up of the concentric circle arc plane of two sections of different-diameters.The shape of upper groove with
The mating shapes of sleeve pipe, the concentric circle arc plane of two sections of different-diameters respectively account for the half of low groove, two sections of different-diameters it is concentric
Arc surface makes low groove produce the mating shapes of certain drop, the less arc surface of diameter and sleeve pipe, the circle being relatively large in diameter
There is between cambered surface and shaping column larger space, the setting of this kind of structure of low groove makes the sleeve pipe one below shaping column
Partly first it is molded, second half is preforming, improves machining accuracy, processing is not in place asks to prevent sleeve pipe from existing when processing is settled at one go
Topic.
In a kind of above-mentioned sleeve pipe forming progressive die, in the integer, the bottom of mould has upper forming tank, described whole
Under type, there is lower forming tank, the upper forming tank and lower forming tank to match at the top of mould.Upper forming tank and lower forming tank are closed
Match with the shape of sleeve pipe and the shape of shaping column when together.
In a kind of above-mentioned sleeve pipe forming progressive die, the bottom of the cutting knife has deep-slotted chip breaker.Deep-slotted chip breaker and sleeve pipe
Mating shapes, enable cutting knife preferably to cut off the sleeve pipe for connecting together, otch is neat, and machining accuracy is high.
In a kind of above-mentioned sleeve pipe forming progressive die, the top board bottom is fixed with several lead columns, described to lead
Stripper plate is passed through to post, there is on the base plate pilot hole, the lead column is correspondingly arranged with pilot hole.Lead column and pilot hole
The setting for playing a part of guiding, lead column and pilot hole makes upper bolster and die shoe operationally not to misplace, so as to carry
The machining accuracy of high sleeve pipe.
In a kind of above-mentioned sleeve pipe forming progressive die, leading truck, the leading truck on the left of the base plate, is fixed with
Top there is gathering sill.Guiding is played a part of in the movement of leading truck and gathering sill to raw material.
Compared with prior art, the sleeve pipe forming progressive die that the present invention is provided has advantages below:
1st, all moulds required for sleeve pipe shaping are integrated into a secondary mould by this sleeve pipe forming progressive die, by once
Punching press can complete the operation of all process steps, complete the processing of a product by a punching press, and production efficiency is high, it is only necessary to one
Platform punch press, a secondary mould, low production cost.
2nd, this sleeve pipe forming progressive die arranges arc convex and arc groove, is machining adjacent two sleeve pipe
It is front to connect together, stability when sleeve pipe is processed is improved, so as to improve the machining accuracy of sleeve pipe.
3rd, bending for this sleeve pipe forming progressive die is completed by three process, is made the effect of bending of sleeve pipe good, will not be gone out
Existing waste product, is not in failure, improves machining accuracy, and production efficiency is high.
Description of the drawings
Fig. 1 is the overall structure diagram of this sleeve pipe forming progressive die.
Fig. 2 is the partial structural diagram one of this sleeve pipe forming progressive die.
Fig. 3 is the partial structural diagram two of this sleeve pipe forming progressive die.
Fig. 4 is the partial structural diagram three of this sleeve pipe forming progressive die.
Fig. 5 is the structural representation of the lower mould of this sleeve pipe forming progressive die shaping.
In figure, 1, upper bolster;2nd, die shoe;3rd, top board;4th, stripper plate;5th, upper spring;6th, drift;7th, bend upper mould;71、
Mould in pre- trimming;72nd, bend upper mould at two ends;73rd, the overall upper mould that bends;74th, arc groove;8th, shaping upper;81st, upper groove;
9th, mould in integer;91st, upper forming tank;10th, cutting knife;101st, deep-slotted chip breaker;11st, through hole;12nd, base plate;13rd, punching;14th, mounting groove;
15th, bend lower mould;151st, installing plate;152nd, mould under pre- trimming;153rd, bend lower mould at two ends;154th, the overall lower mould that bends;1541、
Support base;155th, arc convex;16th, it is molded lower mould;161st, low groove;17th, mould under integer;171st, lower forming tank;18th, blanking is oblique
Slope;19th, lower spring;20th, shaping column;21st, lead column;22nd, pilot hole;23rd, leading truck;24th, gathering sill.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, this sleeve pipe forming progressive die includes upper bolster 1 and die shoe 2.
Upper bolster 1 includes top board 3 and stripper plate 4, and top board 3 is fixedly connected with punch press, stripper plate 4 be located at top board 3 lower section and
Top board 3 is connected by many upper springs 5 with stripper plate 4.The bottom of top board 3 be sequentially provided with from left to right drift 6, the upper mould 7 that bends,
Mould 9 and cutting knife 10 on shaping upper 8, integer, on shaping upper 8 and integer, mould 9 is integral structure, and the bottom of cutting knife 10 has
Deep-slotted chip breaker 101 is logical with what is passed through for mould 9 on drift 6, the upper mould 7 that bends, shaping upper 8, integer and cutting knife 10 on stripper plate 4
Hole 11.
Die shoe 2 includes base plate 12, with the punching 13 being correspondingly arranged with drift 6 in base plate 12, also has in base plate 12
Mounting groove 14, the right-hand member of the right side of mounting groove 14 through base plate 12, be sequentially provided with mounting groove 14 from left to right the lower mould 15 that bends,
Mould 17 and blanking slope 18 under the lower mould 16, integer of shaping.Bend on upper mould 7, shaping upper 8, integer mould 9 and cutting knife 10 respectively with
Bend mould 17 and blanking slope 18 under lower mould 15, the lower mould 16, integer of shaping corresponds and arranges.
Drift 6 includes front drift, back punching head and middle drift, and punching 13 includes front punching, rear punching and middle punching, preshoot
Head, back punching head and middle drift are corresponded with front punching, rear punching and middle punching respectively and are arranged, and front drift, back punching head are used for rushing
The dop on pressing plate material both sides, middle drift are used for punching hole.
As shown in figure 4, the upper mould 7 that bends includes in pre- trimming that mould 71, two ends bends upper mould 72 and overall from left to right successively
Bend upper mould 73, and in pre- trimming, the bend bottom middle of upper mould 72 of mould 71, two ends is respectively provided with what is arranged along direction from left to right
Arc groove 74.The lower mould 15 that bends includes installing plate 151, is provided with lower spring 19, installing plate between installing plate 151 and base plate 12
It is sequentially provided with mould 152, two ends under pre- trimming from left to right to bend lower mould 153 and the overall lower mould 154 that bends on 151.
In pre- trimming, mould 71, two ends bends upper mould 72 and the overall upper mould 73 that bends is beaten with mould 152, two ends under pre- trimming respectively
Stoop mould 153 and the overall lower mould 154 that bends is corresponded and arranged, mould 71, two ends bends upper mould 72 along the longitudinal direction in pre- trimming
Width be all higher than the overall width along the longitudinal direction of upper mould 73 that bends, under pre- trimming, mould 152, two ends bends lower mould 153 along front
The width of rear direction is all higher than the overall width along the longitudinal direction of lower mould 154 that bends.
Under pre- trimming mould 152 and two ends bend lower mould 153 crown center at be respectively provided with what is arranged along direction from left to right
Arc convex 155, arc groove 74 are matched with arc convex 155, and arc groove 74 makes pre-cut with the setting of arc convex 155
When under mould 71 on side, pre- trimming, mould 152 carries out pre- trimming to sheet material, the centre of sheet material will not disconnect, and connect after making the pre- trimming of sheet material
Together.Bends the fixing hole that have in lower mould 153 at two ends, and the left end insertion of shaping column 20 is connected in fixing hole, is integrally bended
Lower mould 154 also includes support base 1541, and bottom and the installing plate 151 of support base 1541 are fixedly connected with, and top is resisted against shaping column 20
On, support base 1541 plays a part of to support shaping column 20.20 part of shaping column is located at mould 9 and shaping on shaping upper 8, integer
Under lower mould 16, integer between mould 17, when upper bolster 1 is moved down, cutting knife 10 is attached to the end of 20 right-hand member of shaping column, cutting knife 10 with
Intermediate connections between the engagement two neighboring sleeve of cut-out of shaping column 20, under making sleeve drop and realize on blanking slope 18
Material.
The bottom of shaping upper 8 has the upper groove 81 of approximate semicircular in shape, as shown in figure 5, the top of the lower mould 16 of shaping
With low groove 161, low groove 161 is made up of the concentric circle arc plane of two sections of different-diameters, i.e. depth in low groove 161
Shallower, the depth of another side is deeper.In integer, the bottom of mould 9 has the upper forming tank 91 of approximate semicircular in shape, mould 17 under integer
Top there is the lower forming tank 171 of approximate semicircular in shape, upper forming tank 91 and lower forming tank 171 to match.
3 bottom of top board is fixed with several lead columns 21, and lead column 21 passes through stripper plate 4, has pilot hole on base plate 12
22, lead column 21 is correspondingly arranged with pilot hole 22, and the left side of base plate 12 is fixed with leading truck 23, and the top of leading truck 23 has leads
To groove 24.
During work, material plate is moved in upper bolster 1 and die shoe 2 by leading truck 23, gathering sill 24, upper bolster 1
Move down, stripper plate 4 is resisted against on base plate 12, now lead column 21 is inserted in pilot hole 22, top board 3 continues to move down, upper spring 5
Compressed, drift 6 is punched out 13 processing to sheet material;In pre- trimming, mould 71, two ends bends upper mould 72 and the overall upper mould 73 that bends
Pass from through hole 11, in pre- trimming, mould 71 is engaged with mould 152 under pre- trimming, is carried out pre- trimming to sheet material, is left behind sheet material
Middle do not cut off, and mould 71 is engaged with mould 152 under pre- trimming and makes sheet material somewhat downwardly flexed in pre- trimming;Bend at two ends
The upper mould 72 and two ends lower mould 153 that bends is engaged, and is bent downwardly the two ends of sheet material;Under the upper mould 73 that integrally bends bends with entirety
Mould 154 is engaged, and sheet material crown center is molded around shaping column 20, and the two ends of sheet material bend U-shaped along support base 1541;
Shaping upper 8 and the lower mould 16 of shaping are engaged, make in the middle of sheet material and sheet material two ends in wherein one end be fitted in shaping column 20
On, there is between the other end and shaping column 20 less gap;In integer, under mould 9 and integer, mould 17 is engaged, and makes sheet material entirety
It is coated on outside shaping column 20, forms sleeve;Cutting knife 10 is coordinated with shaping column 20, cuts off the junction between two neighboring sleeve,
The sleeve for processing is made to drop on blanking slope 18, punching press can once complete the processing of a sleeve, go round and begin again, back and forth
Circulation, realizes the processing of multiple sleeves, and production efficiency is high.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used upper bolster 1, die shoe 2 herein, top board 3, stripper plate 4, upper spring 5, drift 6, having bended
On upper mould 7, pre- trimming, mould 71, two ends bends upper mould 72, overall upper mould 73, arc groove 74, the shaping upper 8, upper groove of bending
81st, mould 9 in integer, upper forming tank 91, cutting knife 10, deep-slotted chip breaker 101, through hole 11, base plate 12, punching 13, mounting groove 14, bend under
Mould 15, installing plate 151, mould 152, two ends bends lower mould 153, overall bend lower mould 154, support base 1541, arc under pre- trimming
Raised 155, mould 17, lower forming tank 171, blanking slope 18, lower spring 19, shaping under the lower mould 16 of shaping, low groove 161, integer
The terms such as post 20, lead column 21, pilot hole 22, leading truck 23, gathering sill 24, but it is not precluded from the possibility using other terms
Property.It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms;It is construed as any one
Additional restriction is all contrary with spirit of the invention.