CN206104634U - Interior high -pressure forming die - Google Patents
Interior high -pressure forming die Download PDFInfo
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- CN206104634U CN206104634U CN201621099110.9U CN201621099110U CN206104634U CN 206104634 U CN206104634 U CN 206104634U CN 201621099110 U CN201621099110 U CN 201621099110U CN 206104634 U CN206104634 U CN 206104634U
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Abstract
The utility model discloses an interior high -pressure forming die, including the die holder, the cover half, the movable mould, cope match -plate pattern group, lower bolster group, the guide rail, a slide seat, hydraulic drive mechanism and hydraulic pressure head, cover half and guide rail are fixed to be set up on the die holder, the movable mould opens and shuts from top to bottom and sets up in the cover half top, cope match -plate pattern group locates in the die cavity of movable mould through the guide bar cluster, lower bolster group locates in the die cavity of cover half through the guide bar cluster, be equipped with between cope match -plate pattern group organizes with the lower bolster and be used for high -pressure fashioned die cavity in the work piece, the slide slides and sets up on the guide rail, the slide slides with template along the guide bar displacement of drive cope match -plate pattern group and lower bolster group along the guide rail, hydraulic drive mechanism and hydraulic pressure head set up on the slide, hydraulic drive mechanism drive hydraulic pressure head cooperates with the work piece tip in stretching into the die cavity. The utility model discloses a can completed workpiece the expand technology step of shape and plastic of stroke of hydraulic pressure head, processing is simple and convenient, and product quality is better, and its application method is simple, the operation controls of being convenient for.
Description
Technical field
This utility model is related to machining technology field, more particularly to a kind of internal high pressure forming die.
Background technology
Automobile exhaust muffler is for reducing one of critical component of automobile engine to exhaust noise, mainly by drop
Low, decay pressure at expulsion pulsation is eliminating noise.Automobile exhaust muffler includes noise reduction pipe component as shown in Figure 1, and this disappears
Sound tube component is reducing hollow pipe fitting, and key structural feature is that in the tube portion is provided with hollow noise reduction convex closure, the one of pipe fitting
End is provided with mouth of pipe convex tendon.
In existing process, the general noise reduction convex closure part that above-mentioned pipe fitting is processed using inner high voltage molding mode, inner high voltage into
Type is also named shaped by fluid pressure or fluid power molding, is that one kind uses fluid as shaping medium, by pressure in control and material flowing
To reach the material forming process of molding hollow part purpose.Existing internal high pressure forming die is lacked due to its own structure design
Fall into, cause the pipe thickness at the noise reduction convex closure position of pipe fitting uneven, or there are the quality problems such as fold in surface, after shaping also
Trimming is needed to carry out shaping processing to it, manufacturing procedure is numerous and diverse, it is therefore necessary to research and develop a kind of inner high voltage Forming Quality more
The easy internal high pressure forming die of good, manufacturing procedure.Another problem is that existing internal high pressure forming die can not be realized to noise reduction
Convex closure and the molding simultaneously of mouth of pipe convex tendon, generally require inner high voltage ability molding twice, thus processing technique is complicated, is not easy to operation
Control.
Utility model content
The purpose of this utility model is the defect and deficiency for prior art, there is provided a kind of internal high pressure forming die,
Stroke of hydraulic punching head can complete the processing step of workpiece bulging and shaping, and simple processing, product quality is more preferable, and it is used
Method is simple, is easy to operational control.
For achieving the above object, this utility model is employed the following technical solutions：
A kind of internal high pressure forming die, including die holder, cover half, dynamic model, upper die plate group, lower template group, guide rail, slide, liquid
Pressure drive mechanism and hydraulic punching head, cover half and guide rail are fixedly installed on die holder, and the upper and lower folding of dynamic model is arranged at cover half top, on
By guide post string in the die cavity of dynamic model, lower template group is located in the die cavity of cover half template group by guide post string, upper mould
The die cavity for workpiece inner high voltage molding is provided between plate group and lower template group, slide is slideably positioned on guide rail, slide edge is led
Rail is slided and is arranged at along guide post displacement, hydraulic drive mechanism and hydraulic punching head with the template for driving upper die plate group and lower template group
On slide, hydraulic drive mechanism drives hydraulic punching head to stretch in die cavity and workpiece end cooperation.
Wherein, upper die plate group and lower template group respectively include the first template, the second template and the 3rd template, the first template
The first die cavity of the noise reduction convex closure position inner high voltage molding for workpiece, the second template and the 3rd mould are provided between the second template
The second die cavity of the mouth of pipe convex tendon position inner high voltage molding for workpiece is provided between plate.
Further, the first template side of dynamic model and cover half is provided with side plate, and the first template is fixedly connected with the side plate, and the 3rd
It is fixedly connected by adapter sleeve between template and slide.
Further, it is equipped with reset bullet between the first template and the second template and between the second template and the 3rd template
Spring.Slide is provided with push pedal, and push pedal is provided with vertical guide runner, and upper die plate group is connected with the connection coordinated with the vertical guide runner
Block.The die cavity is additionally provided with positioned at one end of side plate and stretches into the hydraulic punching head coordinated with workpiece end in the die cavity.
Wherein, hydraulic drive mechanism includes hydraulic cylinder, linkage and slider guide, and hydraulic punching head is fixedly connected on slider guide
On, slider guide is spacing to be slideably positioned on slide, and hydraulic cylinder is fixedly installed on slide, and the piston rod of hydraulic cylinder passes through connecting rod machine
Structure drives slider guide sliding on slide.
The beneficial effects of the utility model are：
This utility model installs respectively upper die plate group and lower template group, upper die plate group and lower template group in dynamic model and cover half
Between be provided with die cavity for workpiece inner high voltage molding, plus man-hour, first workpiece is loaded in the die cavity, hydraulic drive mechanism drives
Hydraulic punching head is stretched into and closely offseted with workpiece end in die cavity, so that inside workpiece forms closed cavity, then by hydraulic punching head
To inside workpiece inject highly pressurised liquid, workpiece be subject to internal high pressure liquid pressure in the die cavity bulging, in workpiece bulging
During, slide template group/lower template group side shifting upwards is driven by driving means, so that upper die plate group and lower template group
Template carries out feed supplement by the extrusion and displacement of template along guide post synchronization extrusion and displacement with the bulging position to workpiece, then passes through
The control of inside workpiece fluid pressure, keeps wall thickness in workpiece Bulging Process consistent, then when upper die plate group and lower template group
After template is pressed into place, i.e., the die cavity between upper die plate group and lower template group is matched completely with the shape of finished workpart, is led to
Liquid pressing of the hydraulic punching head to inside workpiece is crossed, so that whole in the die cavity of the workpiece between upper die plate group and lower template group
Shape, the reforming process can eliminate the fold of surface of the work appearance, it is ensured that workpiece quality, most retreat mould and take out workpiece.Ben Neigao
Stroke of hydraulic punching head of molding die can complete the processing step of workpiece bulging and shaping, simple processing, product matter
Amount is more preferable；And its using method is simple, is easy to operational control.
Description of the drawings
Fig. 1 is the structural representation of automobile silencing pipe；
Fig. 2 is assembling structure schematic diagram of the present utility model；
Fig. 3 is overlooking the structure diagram of the present utility model；
In figure：1st, die holder；2nd, cover half；3rd, dynamic model；4th, guide rail；5th, slide；6th, hydraulic drive mechanism；7th, hydraulic punching head；8、
Guide post；9th, side plate；10th, adapter sleeve；11st, the first template；12nd, the second template；13rd, the 3rd template；61st, slider guide；62nd, connecting rod
Mechanism；63rd, hydraulic cylinder.
Specific embodiment
This utility model is further described below in conjunction with the accompanying drawings.
A kind of internal high pressure forming die as shown in Figure 1 to Figure 3, including die holder 1, cover half 2, dynamic model 3, upper die plate group, under
Template group, guide rail 4, slide 5, hydraulic drive mechanism 6 and hydraulic punching head 7, cover half 2 and guide rail 4 are fixedly installed on die holder 1, are moved
Mould about 3 folding be arranged at the top of cover half 2, upper die plate group by the string of guide post 8 in the die cavity of dynamic model 3, lead to by lower template group
The string of guide post 8 is crossed in the die cavity of cover half 2, the type for workpiece inner high voltage molding is provided between upper die plate group and lower template group
Chamber, slide 5 is slideably positioned on guide rail 4, and the template edge that slide 5 slides to drive upper die plate group and lower template group along guide rail 4 is led
To the displacement of bar 8, hydraulic drive mechanism 6 and hydraulic punching head 7 are arranged on slide 5, and hydraulic drive mechanism 6 drives hydraulic punching head 7 to stretch
Enter in die cavity and coordinate with workpiece end.
Plus man-hour, first workpiece is loaded in the die cavity, hydraulic drive mechanism 6 drives hydraulic punching head 7 to stretch in die cavity and work
Part end closely offsets, so that inside workpiece forms closed cavity, then injects high pressure liquid to inside workpiece by hydraulic punching head 7
Body, workpiece be subject to internal high pressure liquid pressure in the die cavity bulging, in workpiece Bulging Process, by driving means drive
Template group/lower template group the side shifting upwards of dynamic slide 5, so that the template of upper die plate group and lower template group is squeezed along guide post 8 is synchronous
Pressure displacement, feed supplement is carried out by the extrusion and displacement of template with the bulging position to workpiece, then by inside workpiece fluid pressure
Control, keeps wall thickness in workpiece Bulging Process unanimously, then after the template of upper die plate group and lower template group is pressed into place, that is, to go up
The die cavity between template group and lower template group is matched completely with the shape of finished workpart, by hydraulic punching head 7 into workpiece
The liquid pressing in portion, so that shaping in the die cavity of the workpiece between upper die plate group and lower template group, the reforming process can be with
Eliminate the fold that surface of the work occurs, it is ensured that workpiece quality, most retreat mould and take out workpiece.The hydraulic punch of this internal high pressure forming die
7 one times strokes can complete the processing step of workpiece bulging and shaping, and simple processing, product quality is more preferable；And it is used
Method is simple, is easy to operational control.
Wherein, upper die plate group and lower template group respectively include the first template 11, the second template 12 and the 3rd template 13, the
The first die cavity of the noise reduction convex closure position inner high voltage molding for workpiece is provided between one template 11 and the second template 12, when first
When the template 12 of template 11 and second is brought into close contact, the first die cavity is the shape of workpiece noise reduction convex closure, the second template 12 and the 3rd
The second die cavity of the mouth of pipe convex tendon position inner high voltage molding for workpiece is provided between template 13, when the second template 12 and the 3rd mould
When plate 13 is brought into close contact, the second die cavity is the shape of workpiece mouth of pipe convex tendon.Specifically, the first template 11 of dynamic model 3 and cover half 2
Side is provided with side plate 9, and the first template 11 is fixedly connected with the side plate 9, and the first template 11 is maintained static, the 3rd template 13 and slide 5
Between be fixedly connected by adapter sleeve 10, the 3rd template 13 is moved with adapter sleeve 10, and the second template 12 is on guide post 8 according to it
The stressing conditions dynamic displacement of both sides.When slide 5 is moved, the 3rd template 13 is extruded by adapter sleeve 10, the 3rd template 13 is pushed away again
Dynamic second template 12 is to the side displacement of the first template 11.In the present embodiment, the die cavity is additionally provided with positioned at one end of side plate 9 and stretches into this
The hydraulic punching head 7 coordinated with workpiece end in die cavity, workpiece two ends are all sealed and are positioned using hydraulic punching head 7.
Further, it is all provided between the first template 11 and the second template 12 and between the second template 12 and the 3rd template 13
There is back-moving spring, back-moving spring is used to be automatically separated between template.Slide 5 is provided with push pedal, and push pedal is provided with vertical guide runner, on
Template group is connected with the contiguous block coordinated with the vertical guide runner, and contiguous block coordinates with the vertical spacing of guide runner, can make mould
All the time accurately it is aligned with lower template group during plate group is moved up and down with dynamic model 3 and in extrusion process, so as to ensure upper mould
Plate group and lower template group are synchronously extruded under the drive of adapter sleeve 10, to guarantee Workpiece shaping quality.
Wherein, hydraulic drive mechanism 6 includes hydraulic cylinder 63, linkage 62 and slider guide 61, and hydraulic punching head 7 is fixedly connected
On slider guide 61, slider guide 61 is spacing to be slideably positioned on slide 5, and hydraulic cylinder 63 is fixedly installed on slide 5, hydraulic cylinder 63
Piston rod by linkage 62 drive the sliding on slide 5 of slider guide 61.Glide to position-limiting action of the slide block in slide 5
Dynamic and consistent with the glide direction of the telescopic direction of hydraulic punching head 7 and slide 5 to the glide direction of slide block, linkage 62 is
Connecting rod, connecting rod two ends are hinged respectively with the piston rod of slider guide 61 and hydraulic cylinder 63, the piston rod telescopic direction of hydraulic cylinder 63 with
The glide direction of slider guide 61 is vertical, can be more beneficial for controlling workpiece bulging using the hydraulic drive mechanism 6 of the linkage 62
During decrement, ensure the uniform feed supplement of workpiece, improve workpiece quality.
The using method of above-mentioned internal high pressure forming die, including following operating procedure：
S1, workpiece is loaded in the die cavity between upper die plate group and lower template group, close dynamic model 3；
S2, hydraulic drive mechanism 6 drive hydraulic punching head 7 to stretch into and closely offset with workpiece end in die cavity, so that in workpiece
Portion forms closed cavity；
S3, by closed cavity from hydraulic punching head 7 to inside workpiece inject highly pressurised liquid so that workpiece is in the die cavity
Bulging；
S4, in the Bulging Process of step S3, drive the template group/lower template group sidesway upwards of slide 5 by driving means
It is dynamic, so that the template of upper die plate group and lower template group is carried out for workpiece along the synchronous extrusion and displacement of guide post 8 in Bulging Process
Extruding feed supplement；
After the template of S5, upper die plate group and lower template group is pressed into place, added to the liquid of inside workpiece by hydraulic punching head 7
Pressure, so that shaping in the die cavity of the workpiece between upper die plate group and lower template group；
S6, hydraulic drive mechanism 6 drive hydraulic punching head 7 to exit die cavity, and slide 5 is driven to away from upper mould by driving means
One side shifting of plate group/lower template group, opens dynamic model 3, takes out workpiece.
The above is only better embodiment of the present utility model, therefore all according to described in this utility model patent claim
Construction, the equivalence changes done of feature and principle or modification, be included in this utility model patent claim.
Claims (7)
1. a kind of internal high pressure forming die, it is characterised in that：Including die holder, cover half, dynamic model, upper die plate group, lower template group, lead
Rail, slide, hydraulic drive mechanism and hydraulic punching head, cover half and guide rail are fixedly installed on die holder, and the upper and lower folding of dynamic model is arranged at
Cover half top, by guide post string in the die cavity of dynamic model, lower template group is by guide post string located at cover half for upper die plate group
In die cavity, the die cavity for workpiece inner high voltage molding is provided between upper die plate group and lower template group, slide is slideably positioned in guide rail
On, slide is along slide driving the template of upper die plate group and lower template group along guide post displacement, hydraulic drive mechanism and liquid
Pressure drift is arranged on slide, and hydraulic drive mechanism drives hydraulic punching head to stretch in die cavity and workpiece end cooperation.
2. a kind of internal high pressure forming die according to claim 1, it is characterised in that：Upper die plate group and lower template group are divided equally
Not Bao Kuo the first template, the second template and the 3rd template, be provided with convex for the noise reduction of workpiece between the first template and the second template
First die cavity of bag position inner high voltage molding, is provided with the mouth of pipe convex tendon position for workpiece between the second template and the 3rd template
Second die cavity of high-pressure molding.
3. a kind of internal high pressure forming die according to claim 2, it is characterised in that：First template side of dynamic model and cover half
Side plate is provided with, the first template is fixedly connected with the side plate, is fixedly connected by adapter sleeve between the 3rd template and slide.
4. a kind of internal high pressure forming die according to claim 3, it is characterised in that：Between first template and the second template
And second be equipped with back-moving spring between template and the 3rd template.
5. a kind of internal high pressure forming die according to claim 3, it is characterised in that：Slide is provided with push pedal, in push pedal
Vertical guide runner is provided with, upper die plate group is connected with the contiguous block coordinated with the vertical guide runner.
6. a kind of internal high pressure forming die according to claim 3, it is characterised in that：The die cavity is located at one end of side plate
It is additionally provided with and stretches into the hydraulic punching head coordinated with workpiece end in the die cavity.
7. a kind of internal high pressure forming die according to claim 1-6 any one, it is characterised in that：Hydraulic drive mechanism
Including hydraulic cylinder, linkage and slider guide, hydraulic punching head is fixedly connected on slider guide, and slider guide is spacing to be slideably positioned in cunning
On seat, hydraulic cylinder is fixedly installed on slide, and the piston rod of hydraulic cylinder drives slider guide sliding on slide by linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099110.9U CN206104634U (en) | 2016-09-30 | 2016-09-30 | Interior high -pressure forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099110.9U CN206104634U (en) | 2016-09-30 | 2016-09-30 | Interior high -pressure forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206104634U true CN206104634U (en) | 2017-04-19 |
Family
ID=58521481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099110.9U Withdrawn - After Issue CN206104634U (en) | 2016-09-30 | 2016-09-30 | Interior high -pressure forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206104634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270103A (en) * | 2016-09-30 | 2017-01-04 | 宁波市沃瑞斯机械科技有限公司 | A kind of internal high pressure forming die and using method thereof |
| CN111957803A (en) * | 2020-05-15 | 2020-11-20 | 浙江金洲管道科技股份有限公司 | Pipeline internal pressure forming die structure |
-
2016
- 2016-09-30 CN CN201621099110.9U patent/CN206104634U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106270103A (en) * | 2016-09-30 | 2017-01-04 | 宁波市沃瑞斯机械科技有限公司 | A kind of internal high pressure forming die and using method thereof |
| CN106270103B (en) * | 2016-09-30 | 2018-06-26 | 宁波市沃瑞斯机械科技有限公司 | A kind of internal high pressure forming die and its application method |
| CN111957803A (en) * | 2020-05-15 | 2020-11-20 | 浙江金洲管道科技股份有限公司 | Pipeline internal pressure forming die structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20180626 |