CN106734393A - A kind of composite pressure shaped device and its forming method for bloom sheet metal - Google Patents
A kind of composite pressure shaped device and its forming method for bloom sheet metal Download PDFInfo
- Publication number
- CN106734393A CN106734393A CN201710081828.8A CN201710081828A CN106734393A CN 106734393 A CN106734393 A CN 106734393A CN 201710081828 A CN201710081828 A CN 201710081828A CN 106734393 A CN106734393 A CN 106734393A
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- punch
- plate
- sheet metal
- pin
- nitrogen spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/002—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention relates to a kind of composite pressure shaped device and its manufacturing process for bloom sheet metal, including the upper die and lower die of forcing press upper table surface and following table are separately mounted to, upper die and lower die are oppositely arranged up and down；Upper mould includes the upper die plate, upper padding plate and the upper frame body that set gradually up and down, and upper padding plate and upper frame body middle part are movably set with punch assemblies through vertical breach is offered in breach, punch assemblies drive through the first nitrogen spring；Lower mould includes lower template, the lower frame body being arranged in lower template, the active card stripper plate being arranged on lower frame body and the first flange cutter block and the second flange cutter block that are respectively arranged at the stripper plate left and right sides, second flange cutter block is fixed on a sliding block, sliding block is movably set in the lower template, and the bottom surface of punch assemblies is corresponding up and down with the top side location of stripper plate.The present invention positions unstable caused waste, improve production efficiency and yield rate by reducing operation and inter process.
Description
Technical field
The present invention relates to a kind of composite pressure shaped device and its forming method for bloom sheet metal, it is mainly used in
The interior exterior trim stainless steel such as automobile, locomotive or magnesium, aluminium alloy sheeting class part.
Background technology
Currently, the inside and outside decoration application of vapour, locomotive is increasingly wider, more and more various, the big multiplex bloom magnesium of this kind of part,
Aluminium alloy and stainless sheet steel are manufactured, and the surface-type feature of this kind of product is not obvious, it is desirable to smoothes out very much smooth and to have very high
Visual decorative effect, the part thin and narrow length of raw material, manufacturing process quality is difficult to control, and semi-finished product buckling deformation is with size not
Uniformity is very serious, and with processing negative angle not etc..Because conventional fabrication processes setting process is more, the thin length of process part processing causes
Half-finished parts resilience, buckling deformation, size inconsistency are very serious, and machining benchmark is difficult accurate biography between causing each operation
Pass, cause part qualification rate very low, production efficiency is also very low, is more expensive to manufacture, waste serious, be mainly reflected in outward appearance light distortion
The defect such as unstable with size.
The content of the invention
The purpose of the present invention is directed to above weak point, there is provided a kind of composite pressure for bloom sheet metal into
Type device and its forming method, improve the production efficiency and quality of product.
The present invention solves the scheme that is used of technical problem：A kind of composite pressure for bloom sheet metal is molded dress
Put, including be separately mounted to the upper die and lower die of forcing press upper table surface and following table, the upper die and lower die are oppositely arranged up and down；
The upper mould includes the upper die plate, upper padding plate and the upper frame body that set gradually up and down, runs through in the middle part of the upper padding plate and upper frame body and opens
A vertical breach is provided with, a punch assemblies are movably set with the breach, the punch assemblies are driven through the first nitrogen spring
It is dynamic；The lower mould includes that lower template, the lower frame body being arranged in lower template, active card are arranged on lower frame body to be used to place metal
The stripper plate of thin plate and the first flange cutter block and the second flange cutter block of the stripper plate left and right sides are respectively arranged at, described second
Flange cutter block is fixed on a sliding block, and the sliding block is movably set in the lower template, and sliding block outside is connected with
First spring, limited block is additionally provided between the sliding block and the first spring；The bottom surface of the punch assemblies and the stripper plate
Top side location is corresponded to up and down, and the punch assemblies two sides are turned over the first flange cutter block and the cooperation of the second flange cutter block respectively
Side；Also it is correspondingly provided with the upper padding plate for driving sliding block along the inserted block of lower template transverse shifting, is located in the lower template
The also cooperation of sliding block outside is provided with for spacing inserted block backrest；The stripper plate drives through the second nitrogen spring；Also include some
The individual alignment sensor for being arranged at sheet metal the week side of boss, the alignment sensor is respectively arranged at the first flange cutter block, stripper plate
In the second flange cutter block；The controller that the alignment sensor is used for molding control with one is electrically connected.
Further, the second punch-pin and first that the punch assemblies are disposed adjacent including punch retainer and left and right are convex
Mould, first punch-pin is fixed on the punch retainer, and the second punch-pin nesting is arranged at the first male left-hand lower end,
The second punch-pin top surface is fixedly connected with a second spring, and described second spring one end is fixedly connected with the second punch-pin top surface,
The other end is fixedly connected with the punch retainer, and is additionally provided with one between the second punch-pin top surface and the first punch-pin and pushes away
Block, the pushing block drives through a cylinder assembly；The output end of first nitrogen spring is arranged at the above upper die plate with one
Blow ejecting plate is inconsistent, and described first hits plate bottom surface is fixedly connected with push rod in downward first, and push rod is worn in described first
Cross the upper die plate to be contacted with the punch retainer, the output end of first nitrogen spring hits plate, through first successively
Push rod, punch retainer drive first punch-pin in one；The cylinder assembly includes several cylinders and for fixing cylinder
Fixed plate connection, the fixed plate hits plate and is fixedly connected with described first, the cylinder through air cylinder driven module with it is described
Controller is electrically connected.
Further, the upper die plate top surface is also connected through several top blocks with a mounting plate；The first nitrogen bullet
Spring is arranged in the first nitrogen spring fixed plate, and the first nitrogen spring fixed plate is fixed on the mounting plate.
Further, the alignment sensor is electrically connected through converter with the controller.
Further, the sliding block is movably set on a guide plate, and the guide plate is fixed in lower template.
Further, the lower template bottom surface is also connected through several bottom seat pads with a bottom plate, the second nitrogen bullet
Spring is arranged in the second nitrogen spring fixed plate, and the second nitrogen spring fixed plate is fixed on the bottom plate, institute
It is inconsistent that the output end and described second for stating the second nitrogen spring hit plate, and described second hits plate takes off through top rod driving in second
Flitch, push rod is vertically arranged in described second, and one end hits plate and is fixedly connected with described second, the other end and the stripper plate phase
Contradict.
Further, several guide pin bushings and several guide pillars, the guide pillar are respectively equipped with the upper die plate and lower template
Corresponded with the guide pin bushing and coordinated.
A kind of forming method of composite pressure shaped device for bloom sheet metal that the present invention is also provided, including with
Lower step：
Step S0：Upper die and lower die are individually fixed in the upper table surface and following table of forcing press, by forcing press drive upper mould and
Lower mould is relative to move up and down；
Step S1：Sheet metal is placed horizontally on stripper plate, the location information of sheet metal is passed by alignment sensor
Transport to controller；
Step S2：By controller drive cylinder component operation, cylinder assembly drives pushing block to promote the second punch-pin to move downward, and makes
The bottom surface for obtaining the second punch-pin is concordant with the bottom surface of the first punch-pin, and now the first nitrogen spring and the second nitrogen spring are in initial shape
State；
Step S3：Upper mould drives descending, inserted block and shoe contact by forcing press, and drives sliding block to be moved to the left so that
Two flange cutter blocks and sheet metal contact aside, the first punch-pin and the second punch-pin offset with sheet metal in the presence of forcing press
Touch, sheet metal is pressed into arc；Now the first nitrogen spring and the second nitrogen spring are in original state；
Step S4：Stripper plate continues to be pushed by punch assemblies under the drive of forcing press, and sheet metal is in punch assemblies, de- material
Into U-shaped under the mating reaction of plate, the first flange cutter block and the second flange cutter block, now stripper plate is by the initial of the first nitrogen spring
Power F is forced into bottom, and the second nitrogen spring is accordingly by one stroke L1 of compression；
Step S5：Upper mould continues to move down a stroke S under the drive of forcing press, sliding block in the presence of inserted block further to the left
It is mobile, sheet metal in the presence of the second flange cutter block while bend inwards, the sheet metal for being shaped, now punch set
Part is accordingly compressed, and the first nitrogen spring is accordingly by one stroke S of compression；
Step S6：Upper mould goes upward to inserted block under the drive of forcing press and is kept completely separate with sliding block, effect of the sliding block in the first spring
Under return to initial position；The sheet metal of shaping is up with punch assemblies, and by controller drive cylinder component return, pushing block exists
Return between the first punch-pin and the second punch-pin under the drive of cylinder assembly；Now the second punch-pin in the presence of second spring to
Upper reply so that the sheet metal of shaping departs from from the second punch-pin, and the first nitrogen spring and the second nitrogen spring are corresponding
Recover to original state；
Step S7：Step S1 is gone to, continues the shaping of next sheet metal.
Further, compression stresses of the starting force F of first nitrogen spring more than the second nitrogen spring, wherein S,
L1 is all higher than 0.
Compared with prior art, the present invention has following beneficial effect：Shaped device and its forming method that the present invention is provided,
Can reduce bloom metal sheet forming technology operation, reduce the quantity of frock, improve development rate, operation is greatly decreased
Between position it is unstable caused by waste, improve production efficiency and yield rate.Can in vapour, locomotive light sheet decorative kind part forming
So that it is in one-time positioning benchmark, a reciprocating stroke, while completing two job steps, traditional work has been effectively eliminated
Product appearance light distortion and the unstable defect of size caused by datum tool is inconsistent between sequence.
Brief description of the drawings
Patent of the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of mould on the shaped device of the embodiment of the present invention；
Fig. 2 is the structural representation of mould under the shaped device of the embodiment of the present invention；
Fig. 3 coordinates shaping schematic view for the upper die and lower die of the embodiment of the present invention.
Fig. 4 is the metal sheet profiled preceding schematic diagram of the embodiment of the present invention；
The schematic diagram of the sheet metal after the step of Fig. 5 is embodiment of the present invention S3；
The schematic diagram of the sheet metal after the step of Fig. 6 is embodiment of the present invention S4；
The schematic diagram of the sheet metal after the step of Fig. 7 is embodiment of the present invention S5；
The schematic diagram that Fig. 8 departs from for the sheet metal after the shaping of the embodiment of the present invention from punch assemblies.
In figure：The upper moulds of 1-；11- upper die plates；12- upper padding plates；13- punch assemblies；130- punch retainers；131- first
Punch-pin；The punch-pin of 132- second；14- upper frame bodies；The nitrogen springs of 15- first；Push rod in 16- first；17- first hits plate；On 18-
Feet；19- mounting plates；Mould under 2-；20- lower templates；21- lower frame bodies；22- stripper plates；Push rod in 23- second；The nitrogen of 24- second
Spring；25- bottom seat pads；26- bottom plates；27- the first flange cutter blocks；28- the second flange cutter blocks；29- sliding blocks；30- second hits
Plate；31- alignment sensors；3- guide plates；4- limited blocks；The springs of 5- first；6- second springs；7- cylinder assemblies；8- pushing blocks；9-
Inserted block；10- inserted block backrests.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 3, a kind of composite pressure shaped device for bloom sheet metal of the present embodiment, including point
Not An Zhuan forcing press upper table surface and following table upper mould 1 and lower mould 2, the upper mould 1 and lower mould are oppositely arranged about 2；It is described
Upper mould 1 includes the upper die plate 11, upper padding plate 12 and the upper frame body 14 that set gradually up and down, the upper padding plate 12 and the middle part of upper frame body 14
Through a vertical breach is offered, a punch assemblies 13 are movably set with the breach, the punch assemblies 13 are through first
Nitrogen spring 15 drives；The lower mould 2 includes that lower template 20, the lower frame body 21, active card being arranged in lower template 20 are arranged at
It is used to place the stripper plate 22 of sheet metal and be respectively arranged at the first flange of the left and right sides of stripper plate 22 on lower frame body 21
The flange cutter block 28 of cutter block 27 and second, the second flange cutter block 28 is fixed on a sliding block 29, and the activity of the sliding block 29 is set
In in the lower template 20, and the outside of the sliding block 29 is connected with the first spring 5, between the spring 5 of the sliding block 29 and first
It is additionally provided with limited block 4；The bottom surface of the punch assemblies 13 is corresponding up and down with the top side location of the stripper plate 22, and described convex
The two sides of membrane module 13 coordinate flange with the first flange cutter block 27 and the second flange cutter block 28 respectively；It is also right on the upper padding plate 12
Should be provided with for driving sliding block 29 along the inserted block 9 of the transverse shifting of lower template 20, the outside of sliding block 29 is located in the lower template 20 also
Cooperation is provided with for spacing inserted block backrest 10；The stripper plate 22 drives through the second nitrogen spring 24；Also set including several
The alignment sensor 31 of sheet metal the week side of boss is placed in, the alignment sensor 31 is respectively arranged at the first flange cutter block 27, de- material
In the flange cutter block 28 of plate 22 and second；The controller that the alignment sensor 31 is used for molding control with one is electrically connected.
From the foregoing, the beneficial effects of the present invention are：The shaped device provided by the present invention carries out bloom metal
The shaping of thin plate, it is possible to reduce the technique of shaping, can make it in one-time positioning benchmark, a reciprocating stroke, while completing
Two job steps（Step S4, step S5）, effectively eliminated traditional inter process datum tool it is inconsistent caused by produce
The light distortion of product outward appearance and the unstable defect of size.
In the present embodiment, to include that punch retainer 130 and left and right are disposed adjacent second convex for the punch assemblies 13
The punch-pin 131 of mould 132 and first, first punch-pin 131 is fixed on the punch retainer 130, and second punch-pin 132 is embedding
Set is arranged at the left side lower end of the first punch-pin 131, and the top surface of the second punch-pin 132 is fixedly connected with a second spring 6, described second
The one end of spring 6 is fixedly connected with the top surface of the second punch-pin 132, and the other end is fixedly connected with the punch retainer 130, and described
A pushing block 8 is additionally provided between the top surface of second punch-pin 132 and the first punch-pin 131, the pushing block 8 drives through a cylinder assembly 7；Institute
The output end and one for stating the first nitrogen spring 15 are arranged at the first of the top of upper die plate 11 and hit that plate 17 is inconsistent, and described first hits
The bottom surface of ejecting plate 17 is fixedly connected with push rod 16 in downward first, in described first push rod 16 through the upper die plate 11 with it is described
Punch retainer 130 is contacted, the output end of first nitrogen spring 15 successively through first hit push rod 16 in plate 17, first,
Punch retainer 130 drives first punch-pin 131；The cylinder assembly 7 includes several cylinders and for fixing cylinder
Fixed plate is connected, and the fixed plate hits plate 17 and be fixedly connected with described first, the cylinder through air cylinder driven module with it is described
Controller is electrically connected.By the pushing block 8 being arranged between the second punch-pin 132 and the first punch-pin 131 so that in sheet metal in shaping
When, the first punch-pin 131 and the bottom surface of the second punch-pin 132 are concordant；When sheet metal departs from, pushing block 8 is exited, in the first spring 5
In the presence of, the second punch-pin 132 recovers to initial position, realizes the fast demoulding of sheet metal.Fixation for fixing cylinder
Plate hits plate 17 and is connected with first, realizes that cylinder assembly 7 is with punch set when the first nitrogen spring 15 promotes punch assemblies 13
Part 13 is moved down simultaneously, prevents the output shaft of cylinder assembly 7 from causing to fracture.By between the second punch-pin 132 and the first punch-pin 131
Set, the second punch-pin 132 realizes fast demoulding in the presence of second spring 6 after realizing machine-shaping.Punch retainer 130 is also
The configured caging bolt on upper die plate 11 carries out spacing.
In the present embodiment, the top surface of the upper die plate 11 is also connected through several top blocks 18 with a mounting plate 19；It is described
First nitrogen spring 15 is arranged in the fixed plate of the first nitrogen spring 15, and the fixed plate of the first nitrogen spring 15 is fixed on
On the mounting plate 19.
In the present embodiment, the alignment sensor 31 is electrically connected through converter with the controller.The controller can
Think single-chip microcomputer or PLC, the signal of alignment sensor 31 is received by controller, alignment sensor 31 is photoelectric sensing
Whether device, detection sheet metal is in place.
In the present embodiment, the sliding block 29 is movably set on a guide plate 3, and the guide plate 3 is fixed on lower template
On 20.The sliding block 29 is driven by the inserted block 9 on upper mould 1 so that sliding block 29 the second flange cutter block 28 and socket backrest it
Between move.
In the present embodiment, the bottom surface of the lower template 20 is also connected through several bottom seat pads 25 with a bottom plate 26, described
Second nitrogen spring 24 is arranged in the fixed plate of the second nitrogen spring 24, and the fixed plate of the second nitrogen spring 24 is fixed on
On the bottom plate 26, the output end of second nitrogen spring 24 hits that plate 30 is inconsistent with described second, and described second hits
Ejecting plate 30 drives stripper plate 22 through push rod 23 in second, and push rod 23 is vertically arranged in described second, and one end hits with described second
Plate 30 is fixedly connected, and the other end is inconsistent with the stripper plate 22.Second nitrogen spring 24 hits plate 30 and drives de- material through second
Plate 22.
In the present embodiment, several guide pin bushings and several guide pillars are respectively equipped with the upper die plate 11 and lower template 20,
The guide pillar is corresponded with the guide pin bushing and coordinated.Several positioning are further respectively had on the upper die plate 11 and lower template 20
Block, mould 1 and lower mould 2 is accurately positioned in realization.
As viewed in figures 5-8, the present invention also provide a kind of composite pressure shaped device for bloom sheet metal into
Type method, comprises the following steps：
Step S0：Upper mould 1 and lower mould 2 are individually fixed in the upper table surface and following table of forcing press, upper mould 1 is driven by forcing press
It is relative with lower mould 2 to move up and down；
Step S1：Sheet metal is placed horizontally on stripper plate 22, the positioning of sheet metal is believed by alignment sensor 31
Breath is transmitted to controller；
Step S2：Worked by controller drive cylinder component 7, cylinder assembly 7 drives pushing block 8 to promote the second punch-pin 132 downward
Motion so that the bottom surface of the second punch-pin 132 is concordant with the bottom surface of the first punch-pin 131；
Step S3：Upper mould 1 is driven descending by forcing press, and inserted block 9 is contacted with sliding block 29, and drives sliding block 29 to be moved to the left,
So that the second flange cutter block 28 and sheet metal contact aside, the first punch-pin 131 and the second punch-pin 132 in the presence of forcing press
Inconsistent with sheet metal, sheet metal is pressed into arc, now the first nitrogen spring 15 and the second nitrogen spring 24 are in just
Beginning state；
Step S4：Stripper plate 22 continues to be pushed by punch assemblies 13 under the drive of forcing press, sheet metal punch assemblies 13,
Into U-shaped under the mating reaction of the first flange cutter block 27 and the second flange cutter block 28, now stripper plate 22 receives the first nitrogen spring 15
Starting force F be forced into bottom, the second nitrogen spring 24 is accordingly by one stroke L1 of compression；
Step S5：Upper mould 1 continues to move down a stroke S under the drive of forcing press, and sliding block 29 is further in the presence of inserted block 9
Be moved to the left, sheet metal in the presence of the second flange cutter block 28 while bend inwards, the sheet metal for being shaped；Now
Punch assemblies are accordingly compressed, and the first nitrogen spring is accordingly by one stroke S of compression；
Step S6：Upper mould 1 goes upward to inserted block 9 under the drive of forcing press and is kept completely separate with sliding block 29, and sliding block 29 is in the first spring 5
In the presence of return to initial position；The sheet metal of shaping is up with punch assemblies 13, by controller drive cylinder component 7 times
Position, pushing block 8 is return under the drive of cylinder assembly 7 between the first punch-pin 131 and the second punch-pin 132；Now the second punch-pin 132
Replied upwards in the presence of second spring 6 so that the sheet metal of shaping departs from from the second punch-pin 132, and the first nitrogen
The nitrogen spring 24 of gas spring 15 and second accordingly recovers to original state；
Step S7：Step S1 is gone to, continues the shaping of next sheet metal.
In the present embodiment, compression stresses of the starting force F of first nitrogen spring 15 more than the second nitrogen spring 24
, wherein S, L1 be all higher than 0.End-state is compressed to more than the second nitrogen spring 24 by the starting force of the first nitrogen spring 15
Power, i.e.,, it is ensured that when step S5 is carried out, processed sheet metal will not be shifted over or deform.
In sum, what the present invention was provided is a kind of for the composite pressure shaped device of bloom sheet metal and its shaping side
Method, simple structure is greatly decreased the unstable caused waste of inter process positioning, improve production efficiency and yield rate.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
Understand, the foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. a kind of composite pressure shaped device for bloom sheet metal, it is characterised in that：Including being separately mounted to forcing press
The upper die and lower die of upper table surface and following table, the upper die and lower die are oppositely arranged up and down；The upper mould includes setting successively up and down
Upper die plate, upper padding plate and the upper frame body put, the upper padding plate and upper frame body middle part are described to lack through a vertical breach is offered
Intraoral to be movably set with a punch assemblies, the punch assemblies drive through the first nitrogen spring；The lower mould includes lower template, sets
The lower frame body that is placed in lower template, active card are arranged on lower frame body to be used to place the stripper plate of sheet metal and is respectively provided with
In the first flange cutter block and the second flange cutter block of the stripper plate left and right sides, the second flange cutter block is fixed on a sliding block,
The sliding block is movably set in the lower template, and sliding block outside is connected with the first spring, the sliding block and first
Limited block is additionally provided between spring；The bottom surface of the punch assemblies is corresponding up and down with the top side location of the stripper plate, and institute
State punch assemblies two sides and coordinate flange with the first flange cutter block and the second flange cutter block respectively；Also corresponded on the upper padding plate and set
Have for driving sliding block along the inserted block of lower template transverse shifting, the also cooperation of sliding block outside is located in the lower template and is provided with for limiting
The inserted block backrest of position；The stripper plate drives through the second nitrogen spring；Also determining for sheet metal the week side of boss is arranged at including several
Level sensor, the alignment sensor is respectively arranged in the first flange cutter block, stripper plate and the second flange cutter block；The positioning
The controller that sensor is used for molding control with one is electrically connected.
2. the composite pressure shaped device for bloom sheet metal according to claim 1, it is characterised in that：It is described convex
Membrane module includes the second punch-pin and the first punch-pin that punch retainer and left and right are disposed adjacent, and first punch-pin is fixed on institute
State on punch retainer, the second punch-pin nesting is arranged at the first male left-hand lower end, the second punch-pin top surface is fixed and connected
A second spring is connected to, described second spring one end is fixedly connected with the second punch-pin top surface, the other end and the punch retainer
It is fixedly connected, and a pushing block is additionally provided between the second punch-pin top surface and the first punch-pin, the pushing block is through an air cylinder group
Part drives；The output end of first nitrogen spring with one be arranged above upper die plate first to hit plate inconsistent, described
Blow ejecting plate bottom surface is fixedly connected with push rod in downward first, and push rod passes through the upper die plate and the punch-pin in described first
Fixed plate is contacted, and the output end of first nitrogen spring hits plate through first successively, push rod, punch retainer drive in first
First punch-pin；The cylinder assembly includes several cylinders and is connected for fixing the fixed plate of cylinder, the fixed plate
Plate is hit with described first to be fixedly connected, the cylinder is electrically connected through air cylinder driven module with the controller.
3. the composite pressure shaped device for bloom sheet metal according to claim 2, it is characterised in that：On described
Template top surface is also connected through several top blocks with a mounting plate；First nitrogen spring is arranged at first nitrogen spring
In fixed plate, the first nitrogen spring fixed plate is fixed on the mounting plate.
4. the composite pressure shaped device for bloom sheet metal according to claim 1, it is characterised in that：It is described
Alignment sensor is electrically connected through converter with the controller.
5. the composite pressure shaped device for bloom sheet metal according to claim 1, it is characterised in that：The cunning
Block is movably set on a guide plate, and the guide plate is fixed in lower template.
6. the composite pressure shaped device for bloom sheet metal according to claim 1, it is characterised in that：Under described
Template bottom surface is also connected through several bottom seat pads with a bottom plate, and second nitrogen spring is arranged at second nitrogen spring
In fixed plate, the second nitrogen spring fixed plate is fixed on the bottom plate, the output end of second nitrogen spring with
Described second to hit plate inconsistent, and described second hits plate through top rod driving stripper plate in second, and push rod is vertical in described second
Set, one end hits plate and is fixedly connected with described second, and the other end is inconsistent with the stripper plate.
7. the composite pressure shaped device for bloom sheet metal according to claim 1, it is characterised in that：On described
Several guide pin bushings and several guide pillars are respectively equipped with template and lower template, the guide pillar is corresponded with the guide pin bushing and coordinated.
8. a kind of forming method of the composite pressure shaped device for bloom sheet metal according to claim 2, its
It is characterised by, comprises the following steps：
Step S0：Upper die and lower die are individually fixed in the upper table surface and following table of forcing press, by forcing press drive upper mould and
Lower mould is relative to move up and down；
Step S1：Sheet metal is placed horizontally on stripper plate, the location information of sheet metal is passed by alignment sensor
Transport to controller；
Step S2：By controller drive cylinder component operation, cylinder assembly drives pushing block to promote the second punch-pin to move downward, and makes
The bottom surface for obtaining the second punch-pin is concordant with the bottom surface of the first punch-pin；
Step S3：Upper mould drives descending, inserted block and shoe contact by forcing press, and drives sliding block to be moved to the left so that
Two flange cutter blocks and sheet metal contact aside, the first punch-pin and the second punch-pin offset with sheet metal in the presence of forcing press
Touch, sheet metal is pressed into arc；Now the first nitrogen spring and the second nitrogen spring are in original state；
Step S4：Stripper plate continues to be pushed by punch assemblies under the drive of forcing press, and sheet metal is in punch assemblies, de- material
Into U-shaped under the mating reaction of plate, the first flange cutter block and the second flange cutter block, now stripper plate is by the initial of the first nitrogen spring
Power F is forced into bottom, and the second nitrogen spring is accordingly by one stroke L1 of compression；
Step S5：Upper mould continues to move down a stroke S under the drive of forcing press, sliding block in the presence of inserted block further to the left
It is mobile, sheet metal in the presence of the second flange cutter block while bend inwards, the sheet metal for being shaped, now punch set
Part is accordingly compressed, and the first nitrogen spring is accordingly by one stroke S of compression；
Step S6：Upper mould goes upward to inserted block under the drive of forcing press and is kept completely separate with sliding block, effect of the sliding block in the first spring
Under return to initial position；The sheet metal of shaping is up with punch assemblies, and by controller drive cylinder component return, pushing block exists
Return between the first punch-pin and the second punch-pin under the drive of cylinder assembly；Now the second punch-pin in the presence of second spring to
Upper reply so that the sheet metal of shaping departs from from the second punch-pin, and the first nitrogen spring and the second nitrogen spring are corresponding
Recover to original state；
Step S7：Step S1 is gone to, continues the shaping of next sheet metal.
9. the forming method of the composite pressure shaped device for bloom sheet metal according to claim 8, its feature
It is：The starting force F of first nitrogen spring is more than the compression stress of the second nitrogen spring, and wherein S, L1 is all higher than 0.
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| CN106734393B (en) | 2018-10-02 |
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