A kind of punching pipes flatten frock
The invention belongs to tubular object extruding equipment technical field, specifically disclose a kind of punching pipes and flatten frock.
Various pipe-type accessories are needed to use on automobile, generally tubing is all cylinder in the case of length, but according to special
Use demand, some tubing will carry out flattening punching operation in process of manufacture, so that tubing becomes flat and with hole.
Authorization Notice No. is the patent of invention of the B of CN 104275387, discloses a kind of pipe fitting and flattens punching tool, including
Upper die plate, lower template, and the guide pillar guide sleeve structure between upper die plate and lower template is arranged on, its innovative point is：On described
Template lower surface is provided with movable mold, sets gradually compression station between the upper die plate and lower template in the horizontal direction and beats
Flat punching station；The lower surface of movable mold is provided with movable ram on the compression station, accordingly, the lower template it is upper
End face is provided with lower movable ram, and lower surface of movable ram is provided with compression pipe fitting with the upper surface of lower movable ram on this
Arc groove, and be provided with cushion dashpot between upper movable ram and upper die plate and between lower movable ram and lower template.
The advantage of the invention is that：Pipe fitting of the invention flattens punching tool, facilitates flattening and puncture motion for pipe fitting, improves pipe fitting
Flatten punching efficiency.
Using said apparatus carry out tubing flatten with after punching, because said apparatus are being flattened and punching operation to tubing
In, first tubing is flattened, reuse drift and the tubing place of flattening is punched out.Because tubing is flattened during punching,
The inconvenience of tubing inside is put into for supporting the object inside tubing, even if tubing inside is without any support during punching；So that punching
Active force when being punched out to tubing can continue tubing to flatten, so that Tube flatting deforms, influence the use of tubing.Together
When said apparatus after being punched out to tubing, the waste material of punching is poured in red needle through hole by drift so that waste material inconvenience discharge；
After multiple punching, the waste material of punching may influence the use of said apparatus.
The content of the invention
The purpose of the present invention is providing a kind of punching pipes flattening frock, during solving to flatten punching to tubing, tubing punching
Hole process can influence tubing to flatten the problem of shape.
In order to achieve the above object, base case of the invention is：A kind of punching pipes flattening frock, including upper die plate,
Lower template, and it is arranged on the guide pillar guide sleeve structure between upper die plate and lower template；Along level side between upper die plate and lower template
To set gradually for fix tubing fixture, flatten station, punching station；The station of flattening includes flattening pressure head, and
With flatten pressure head cooperation flatten seat, flatten pressure head and be slidably connected on upper die plate, upper die plate be provided with for fixation flattens pressure
First steady pin of head position, flattens seat and is fixed in lower template；The punching station includes being slidably arranged on upper die plate
Drift, and be fixed on support base and mandrel holder in lower template, the upper die plate be provided with for fix forcer position
Two steady pins；The support base is provided with the blind hole coordinated with drift, and elastic component is provided with blind hole；The mandrel holder is located at support base
Side, mandrel holder is provided with plug of the diameter less than pipe internal diameter, and plug is horizontally placed on the top of support base, offered on plug with
The coaxial through hole of blind hole；Cavity is provided with mandrel holder, mandrel holder is provided with stopper rod, and the bottom of stopper rod is slided with cavities seals and connected
Connect；It is provided with plug in air flue, plug and is provided with cavity positioned at through hole, cavity is connected with cavity by air flue, is slided in cavity
Support block and lower support block in connection, are in annulus column in upper support block and lower support block.
The operation principle of this base case is：When flattening punching to tubing using the present apparatus, tubing is needed what is flattened
Position is positioned over to be flattened on seat, and is fixed the position of tubing using fixture.Drift is slided, makes drift wrong with the position of support base
Open；Pressure head is flattened in slip, makes the position flattened pressure head with flatten seat corresponding, and the position of pressure head will be flattened using the first steady pin
It is fixed.Upper die plate is pushed, is now fixed on upper die plate due to flattening pressure head；In the presence of upper die plate, flattening pressure head will
Can be compressed on tubing, flatten pressure head tubing is flattened with seat is flattened；Now because drift staggers with the position of support base,
Drift can't coordinate in the presence of upper die plate is pushed with support base.Fixture is opened, the position that tubing is flattened is moved into support
On seat, by the insertion tubing of plug, the position of tubing is fixed using fixture；Drift is slided, makes drift and support base position
Correspondence, and drift is fixed on support base top using the second steady pin；Pressure head is flattened in slip, is made to flatten pressure head and is flattened seat
Stagger position.Upper die plate is pushed again, and drift is now fixed on upper die plate position corresponding with support base, and drift is in lower template
In the presence of tubing will be punched out；Now because the position for flattening pressure head with flatten seat is staggered, pressure head is flattened in upper mould
Plate push in the presence of can't with flatten a mating reaction, making to flatten pressure head will not flatten to tubing.
Support base is provided with blind hole, and elastic component is provided with blind hole, and drift can be poured in blind hole waste material in punching, and right
Elastic component applies certain effect power；The active force of drift is converted into elastic force by elastic component, elastic component effect, meeting after drift is withdrawn
Waste material is ejected.Upper die plate is pushed when being punched out, and lower template will apply active force, plug with stopper rod upper-end contact and to stopper rod
Bar will be moved down in cavity；Air in cavity will be entered in cavity by air flue, so as to by the upper branch in cavity
Bracer is released upwards, and lower support block is released downwards；Because cavity is located at through hole, and support block is in annulus column；So that
Upper support block and lower support block need the position of punching to be supported tubing, prevent tubing in punching, and tubing is in drift
It is crushed under effect.
The beneficial effect of this base case is：This frock can successively be flattened to tubing, punching operation, make tubing quilt
It is processed into required structure；This frock gos deep into tubing using diameter when being punched out to tubing less than the plug of plug internal diameter
Upper support block in plug and lower support block are released and tubing are supported by inside, effect during by punching pipes, have
Effect prevents tubing to be flattened by drift in punch process.This frock on support base by setting blind hole and elastic component, drift
Active force is applied to elastic component when being punched out to tubing, this active force is changed into elastic force by elastic component, by giving up that punching is produced
The waste material formed in material ejection, effectively cleaning punch process.Compared with prior art, this frock can be successively beaten tubing
Flat, punching operation, and tubing is effectively supported in punching, prevent pipe deformations；Punching can also be produced in time simultaneously
Waste material discharge.
Preferred scheme one：Based on scheme it is preferred, the stopper rod is vertically arranged with cavity, the upper end of the stopper rod
It is provided with briquetting.So that stopper rod is moved down vertically when upper die plate is pushed, so that the lower end of stopper rod is entered vertically into cavity in cavity
Air pushed；Lower template will apply active force when pushing to the upper end of stopper rod, and briquetting is easy to the upper end of stopper rod to bear
The active force of lower template.
Preferred scheme two：Preferably one it is preferred, the diameter of the blind hole is gradually reduced from top to bottom.So that blind
Hole turns into a upper end greatly, and the small hole in lower end is easy to waste material to be ejected from blind hole.
Preferred scheme three：Preferably two it is preferred, the elastic component be spring, spring favour blind hole setting.
Spring structure is simple, easy manufacture, easily acquisition, low cost, and spring is obliquely installed so that waste material is not to eject straight up when ejecting
's；If waste material is ejected straight up, it is possible to be ejected into the punching of tube seat, it is unfavorable for the discharge of waste material.
Preferred scheme four：Preferably three it is preferred, the upper end of the spring is provided with bullet block, the horizontal stroke of the bullet block
Area of the sectional area less than blind-hole bottom.During so that waste material entering blind hole, contacted with bullet block；Prevent waste material from directly being connect with spring
Touch, waste material cannot be ejected in being stuck in spring.The cross-sectional area of bullet block meets bullet block in drift less than the area of blind via bottom
In the presence of be compressed into the demand of blind-hole bottom.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of punching pipes of the invention flatten frock embodiment；
Fig. 2 is the structure sectional view of plug；
Fig. 3 is the structure sectional view of support base.
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Upper die plate 10, lower template 11, guide pillar guide sleeve structure 12, fixture 20, flatten pressure
First 30, flatten seat 31, drift 40, support base 41, blind hole 42, spring 421, bullet block 422, mandrel holder 50, cavity 51, stopper rod 52,
Briquetting 53, plug 54, through hole 541, air flue 542, cavity 543, upper support block 544, lower support block 545.
As shown in Figure 1 and Figure 2, a kind of punching pipes flatten frock, including upper die plate 10, lower template 11, and are arranged on
Guide pillar guide sleeve structure 12 between template 10 and lower template 11, sets gradually in the horizontal direction between upper die plate 10 and lower template 11
For fixing the fixture 20 of tubing, flattening station, punching station；Flattening station includes flattening pressure head 30, and with flatten pressure head
30 coordinate flatten seat 31, flatten pressure head 30 and be slidably connected on upper die plate 10, on upper die plate 10 be provided with for fixation flatten
Pressure head is flattened seat 31 and is fixed in lower template 11 in the first steady pin of upper die plate position 30.Punching station includes sliding setting
Drift 40 on upper die plate 10, and support base 41 and mandrel holder 50 in lower template 11 are fixed on, set on upper die plate 10
For fixing second steady pin of the drift in upper die plate position 40；Support base 41 has opened up the blind hole 42 coordinated with drift 40,
The diameter of blind hole 42 is gradually reduced from top to bottom, i.e., blind hole 42 is in peviform；The bottom angled of blind hole 42 is fixed with spring 421, bullet
The upper end of spring 421 secures bullet block 422, and bullet block 422 is circle, the internal diameter of the internal diameter less than the bottom of blind hole 42 of bullet block 422.Plug
It is located at the left side of support base 41 for 54 50, plug 54 of the diameter much smaller than pipe internal diameter is welded with plug 54 50, plug 54 is horizontal
The top of support base 41 is placed in, the through hole 541 coaxial with blind hole 42 is offered on plug 54.Cavity is provided with plug 54 50
51, stopper rod 52 is provided with plug 54 50, the bottom of stopper rod 52 seals with cavity 51 and is slidably connected, and stopper rod 52 is equal with cavity 51
It is vertically arranged, the upper end of stopper rod 52 is provided with briquetting 53；It is provided with air flue 542, plug 54 to be located at through hole 541 in plug 54 and sets
Cavity 543 is put, around through hole 541 and in annulus column, cavity 543 is connected cavity 543 with cavity 51 by air flue 542, chamber
Be slidably connected upper support block 544 and lower support block 545 in road 543, is in annulus post in upper support block 544 and lower support block 545
When flattening punching to tubing using the present apparatus, need the position flattened to be positioned over tubing and flatten on seat 31, and make
Fixed with by the position of the tubing of fixture 20.Drift 40 is slided, drift 40 is staggered with the position of support base 41；Pressure head is flattened in slip
30, make the position flattened pressure head 30 with flatten seat 31 corresponding, and fixed using the position that the first steady pin will flatten pressure head 30.Under
Pressure upper die plate 10, flattens pressure head 30 and is now fixed on upper die plate 10；In the presence of upper die plate 10, flattening pressure head 30 will
It is compressed on tubing, flattens pressure head 30 and flattened with 31 pairs of tubing of seat are flattened；Now due to drift 40 and the position of support base 41
Put and stagger, drift 40 can't be with the mating reaction of support base 41 in the presence of upper die plate 10 is pushed.
Fixture 20 is opened, the position that tubing is flattened is moved on support base 41, by the insertion tubing of plug 54, due to core
Much smaller than the internal diameter of tubing, therefore plug 54 can be inserted into the tubing flattened the internal diameter of rod 54, using fixture 20 by tubing
Position is fixed；Drift 40 is slided, makes drift 40 corresponding with the position of support base 41, and be fixed on drift 40 using the second steady pin
The top of support base 41；Pressure head 30 is flattened in slip, the position flattened pressure head 30 with flatten seat 31 is staggered.Upper die plate is pushed again
10, drift 40 is now fixed on upper die plate 10 and the corresponding position of support base 41, and drift 40 will in the presence of lower template 11
Tubing can be punched out through the upper surface of tubing successively, the lower surface of the through hole 541, tubing of plug 54；Now due to beating
Flat pressure head 30 staggers with the position for flattening seat 31, flatten pressure head 30 in the presence of upper die plate 10 is pushed can't with flatten seat 31
Support base 41 is provided with blind hole 42, blind hole 42 and is provided with elastic component, and drift 40 can pour waste material blind in punching
In hole 42, waste material can be pressed on bullet block 422, and drift 40 can apply certain effect power by bullet block 422 to spring 421；Bullet
The active force of drift 40 is converted into elastic force by spring 421, and spring 421 is acted on after drift 40 is withdrawn, by the waste material bullet on bullet block 422
Go out.When upper die plate 10 is pushed and is punched out, lower template 11 will contact with the briquetting 53 of the upper end of stopper rod 52 and stopper rod 52 is applied
Plus active force, stopper rod 52 is vertically arranged with cavity 51, and stopper rod 52 will straight down be moved in cavity 51.In cavity 51
Air will be entered in cavity 543 by air flue 542, so as to the upper support block 544 in cavity 543 be released upwards, lower support
Block 545 is released downwards；Cavity 543 is located at through hole 541, and around through hole 541 and in annulus column, and the He of upper support block 544
Lower support block 545 is in annulus column；Upper support block 544 is released upwards, and lower support block 545 is released downwards, it will tubing is needed
The position to be punched is supported, and prevents tubing in punching, and tubing is crushed in the presence of drift 40.
Above-described is only embodiments of the invention, and the general knowledge such as known concrete structure and characteristic is not made herein in scheme
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of structure of the present invention is not departed from, can be with
Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the influence present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification
Specific embodiment etc. records the content that can be used for explaining claim.