CN206643187U - Hydroforming equipment with multiple spot cavity plate - Google Patents
Hydroforming equipment with multiple spot cavity plate Download PDFInfo
- Publication number
- CN206643187U CN206643187U CN201720187730.6U CN201720187730U CN206643187U CN 206643187 U CN206643187 U CN 206643187U CN 201720187730 U CN201720187730 U CN 201720187730U CN 206643187 U CN206643187 U CN 206643187U
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- hole
- cavity plate
- multiple spot
- cavity
- mold
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Abstract
A kind of hydroforming equipment with multiple spot cavity plate, including mold and lower mould, mold is provided with liquid room corresponding with the die cavity of lower mould, the cavity bottom is to be communicated with die cavity and large through-hole that cross section is consistent with die cavity, the back pressure that is slidably installed in large through-hole mould, the stroke that back pressure mould bottom is connected with liftout tank and controls it to slide up and down by liftout tank, back pressure mould upper surface is provided with the positioning hole for installing multiple spot cavity plate, multiple spot cavity plate is made up of highly identical or different small drift, the uniform close-packed arrays of small drift, the small drift upper surface of identical or different height forms the plate material parts bottom shape identical cavity plate with required making；The Analysis of Hydraulic Bulging Test of Sheet Metals device with multiple spot cavity plate is suitable for producing different shape board, cost-effective without more mold exchange, deep chamber plate material parts material saving is made with it, it efficiency high, can effectively avoid the phenomenon of material breaks from occurring, improve the bulging depth and forming quality of product.
Description
Technical field
The utility model category machining technology field, it is related to a kind of plate processing unit (plant), it is more particularly to a kind of with more
The hydroforming equipment of point cavity plate.
Background technology
The stamping mode of traditional sheet metal component forming technique generally use, in process due to the direct punching press of mould
Sheet material, the damage of sheet material is easily caused, so as to substantially reduce the forming quality of plate material parts；Huge noise caused by other punching press
It can cause environment pollution；Hydroforming can both improve sheet material forming quality using the lubricating contact of fluid and sheet material, together
Shi Buhui produces noise pollution, thus is widely used；But with expanding economy, sheet metal component product tend to variation,
The defects of small lot, configuration complicate, and traditional Hydroforming exposes for diversified, flexibility production is increasingly prominent
Go out：
On the one hand, it is necessary to prepare the mould of various configuration during the sheet metal component of production different configuration shape, due to
The manufacturing cycle of mould is long, causes the production cycle of product to be grown, low production efficiency, and production cost is high；
On the other hand, punch-pin is replaced with pressure oil liquid in traditional Hydroforming, in order to establish needed for sheet material forming
The pressure wanted, flange section needs to provide larger pressure-pad-force to carry out hydraulic seal, but larger pressure-pad-force will cause method
The sheet material preform flows of blue part are obstructed, and reduce flange section sheet material blank to the effect of intermediate flow feed supplement so that sheet material
The pure swollen type of generation and cause it is thinning in the middle part of sheet material blank in addition rupture.
Utility model content
The purpose of this utility model is to provide a kind of hydroforming equipment with multiple spot cavity plate, to overcome prior art
Above shortcomings.
The utility model adopts the technical scheme that：A kind of hydroforming equipment with multiple spot cavity plate, including mold
With lower mould, the mold is connected with flanging cylinder, and lower dies cavity is the thin-walled depth cavity plate material part shape with required shaping
Corresponding die cavity, mold are provided with liquid room corresponding with die cavity, and liquid room is with being divided into the oil inlet passage of mold both sides and fuel-displaced
Passage connects, and the cross sectional dimensions of liquid room bottom opening is consistent with die cavity cross sectional dimensions；
The lower mold cavity bottom is the large through-hole communicated with die cavity and cross section is consistent with die cavity, and large through-hole is interior to be slided
Sealing installation back pressure mould, the stroke that the back pressure mould bottom is connected with liftout tank and controls it to slide up and down by liftout tank, back pressure
Mould upper surface is provided with the positioning hole for installing multiple spot cavity plate, and the multiple spot cavity plate is by highly identical or different small drift group
It is arranged on into, the small drift by the locating dowel of its lower end in positioning hole, the small uniform close-packed arrays of drift, it is identical or not
Level small drift upper surface forms the thin-walled depth chamber plate material parts bottom shape identical cavity plate with required making.
Further technical scheme is：The first sealing ring is provided between the mold bottom surface and sheet material blank, first is close
Seal is arranged on mold bottom surface in the seal groove around the liquid room, the lower mould large through-hole hole wall and back pressure mould side wall it
Between be provided with the second sealing ring, the second sealing ring is arranged in the seal groove of large through-hole hole wall.
Further：The port of the oil inlet passage and oil discharge passage is provided with shoulder hole, and oil inlet passage leads to oil discharge passage
Cross the shoulder hole and flange and external connection of its port.
Due to taking above-mentioned technical proposal, the hydroforming equipment with multiple spot cavity plate of the utility model has and following had
Beneficial effect：
1. the hydroforming equipment with multiple spot cavity plate of the utility model carries " multiple spot cavity plate ", pass through different height
Small drift is installed in the positioning hole on back pressure mould with certain permutation and combination method, can so as to form cavity plate of different shapes
To adapt to produce various configuration（Bottom shape is different）Sheet metal component, realize the Flexible Production of product, meet variation, small quantities of
The demand of sheet metal component production is measured, eliminates the high expense of production various configuration mould；
2. the hydroforming equipment with multiple spot cavity plate of the utility model replaces punch-pin to carry out swollen type using liquid, " more
Point cavity plate " and " controllable back pressing mold " are combined, and are utilized " frictionally holding " effect and " fluid lubrication " effect, can be effectively reduced
The reduction of hydraulic expanding-forming part, greatly improve the forming quality of complex thin-wall depth chamber sheet metal component；
The building mortion by the large through-hole of lower mold center, set up the back pressure that can be slided up and down along large through-hole inwall
Mould, back pressure mould is controlled by liftout tank（Including the cavity plate being made up of small drift）Stroke is moved up and down, initial stage will be small in blank shaping
The cavity plate of drift composition is located close to sheet material blank bottom, treat after the completion of sheet material patch mould gradually downward it is mobile control whole sheet material into
The process of shape, " frictionally holding effect " after being contacted using sheet material blank with cavity plate reduce the excessive thinning in sheet material centre,
Increase the flowing of the plate of flange section to centre simultaneously, so as to greatly improve the Forming depth of complicated deep cavity plate material parts and
Forming quality；
3. the hydroforming equipment with multiple spot cavity plate of the utility model the bottom surface of mold, back pressure mould side wall and under
One of O-ring seal, the shoulder hole that oil inlet passage passes through its port with oil discharge passage are respectively equipped between the hole wall of mould through hole
It is connected with external flanges, can effectively prevents the leakage of fluid, good airproof performance；
4. using the manufacture plate material parts of the hydroforming equipment with multiple spot cavity plate of the utility model, only need to process together
Process can be completed to produce, and be substantially shorter the production cycle of molds and products, improve production efficiency.
It is special to the technology of the hydroforming equipment with multiple spot cavity plate of the utility model with reference to the accompanying drawings and examples
Sign is further described.
Brief description of the drawings
Fig. 1~Fig. 3 carries multiple spot cavity plate hydroforming equipment structural representation for the utility model（Use state）：
Fig. 1 is manufacture board（Hydraulic expanding-forming）Initial implementation state, Fig. 2 for manufacture board（Hydraulic expanding-forming）In
Between process status, Fig. 3 for manufacture board（Hydraulic expanding-forming）End-state；
In figure：
1-flanging cylinder, 2-mold, 3-oil discharge passage, 31-shoulder hole, 4-sheet material blank, 5-lower mould, 6-
Small drift, 61-locating dowel, 7-liftout tank, 8-liquid room, 9-oil inlet passage, the 10-the first sealing ring, 11-positioning hole,
12-the second sealing ring, 13-back pressure mould, 14-large through-hole.
Embodiment
Embodiment
A kind of hydroforming equipment with multiple spot cavity plate, including mold 2 and lower mould 5, the mold and flanging
Cylinder 1 connects, and for lower mould installion on support, lower dies cavity is corresponding with the thin-walled depth cavity plate material part shape of required shaping
Die cavity（I.e. the shape of cross section size of die cavity is corresponding with the thin-walled depth cavity plate material part shape of required shaping）, mold be provided with
Liquid room 8 corresponding to die cavity, liquid room connect with the oil inlet passage 9 and oil discharge passage 3 for being divided into mold both sides, liquid room bottom opening
Cross sectional dimensions it is consistent with die cavity cross sectional dimensions, during upper and lower mould matched moulds, the opening of liquid room is relative with die cavity；
The lower mold cavity bottom is to be communicated with die cavity and large through-hole 14 that cross section is consistent with die cavity（I.e. large through-hole is horizontal
The shape size in section is identical with die cavity）, installation back pressure mould 13, the back pressure mould bottom and ejection are slidingly sealed in large through-hole
The stroke that cylinder 7 connects and controls it to slide up and down by liftout tank, back pressure mould upper surface are provided with the positioning for installing multiple spot cavity plate
Hole 11, the multiple spot cavity plate are made up of highly identical or different small drift 6, the locating dowel 61 that the small drift passes through its lower end
In positioning hole, the small uniform close-packed arrays of drift, the small drift upper surface of identical or different height form with it is required
The thin-walled depth chamber plate material parts bottom shape identical cavity plate of making.
The first sealing ring 10 is provided between the mold bottom surface and sheet material blank 4, the first sealing ring is arranged on mold
Bottom surface can effectively prevent fluid from being leaked along sheet material blank in the seal groove around liquid room, lower mould large through-hole hole wall and the back of the body
The second sealing ring 12 is provided between pressing mold side wall, the second sealing ring is arranged in the seal groove of large through-hole hole wall, can effectively prevented
Fluid leaks along back pressure mould during sheet material blank breakage.
The port of the oil inlet passage and oil discharge passage is provided with shoulder hole, and oil inlet passage passes through its port with oil discharge passage
Shoulder hole is connected with flange to be connected with the high-pressure oil passage of hydraulic pump again, can strengthen sealing.
The method and step that the above-mentioned hydroforming equipment with multiple spot cavity plate makes thin-walled depth chamber plate material parts is as follows：
S1. mounting plate material blank：Sheet material blank 4 is placed between mold 2 and lower mould 5, starts 1 upward mould of flanging cylinder
Tool applies pressure-pad-force and clamps sheet material blank；
S2., multiple spot cavity plate is installed：According to the required shape for making deep chamber plate material parts bottom surface, similar and different height is selected
Small drift, be arranged in the positioning hole of back pressure mould, formed and the thin-walled depth chamber plate material parts of required making by permutation and combination
The consistent multiple spot cavity plate of bottom shape；
S3. high-pressure oil passage is connected：Oil inlet passage is connected the hydraulic oil with hydraulic pump again with flange by the shoulder hole of port
Road connects；
S4. it is vented oil-filled：Start hydraulic pump, fluid is inputted by air in liquid room 8 from oil discharge passage 3 by oil inlet passage 9
Discharge, and the injecting oil liquid into liquid room, close oil discharge passage；
S5. control liftout tank 7, which moves up, makes back pressure mould 13 be moved up into die cavity close to the bottom surface of sheet material blank 4；
S6. mould is initially pasted：Hydraulic coupling is applied to liquid room by oil inlet passage 9, makes sheet material blank swollen under action of hydraulic force
Shape simultaneously initially pastes mould with the multiple spot cavity plate of back pressure mould upper surface；
S7. drawing-die shapes：After the completion of initial patch mould, liftout tank 7 is controlled to drive the back of the body while hydraulic coupling is applied to liquid room
Pressing mold 13 slowly comes downwards to required bulging depth, and now sheet material blank is in the sheet material in flanging region slowly to center stream
Dynamic feed supplement so that be close to multiple spot cavity plate upper surface below sheet material blank, preliminarily form plate material parts；
S8. pressurize：The hydraulic pressure for keeping liquid room 8 is set hydraulic pressure value, now due to plate material parts bottom and back pressure mould
" frictionally holding " effect, the stress concentration of plate material parts bottom center is substantially reduced；
S9. pressure release oil extraction molds：Finally the hydraulic pressure in liquid room is let out and removed, the fluid in liquid room is excluded by oil discharge passage 3,
Die sinking, obtain the thin-walled depth chamber plate material parts of required bulging depth.
Claims (3)
1. a kind of hydroforming equipment with multiple spot cavity plate, including mold（2）With lower mould（5）, the mold is with pressing
Side cylinder（1）Connection, lower dies cavity is die cavity corresponding with the thin-walled depth cavity plate material part shape of required shaping, and mold is provided with
Liquid room corresponding with die cavity（8）, liquid room and the oil inlet passage for being divided into mold both sides（9）And oil discharge passage（3）Connection, liquid room
The cross sectional dimensions of bottom opening is consistent with die cavity cross sectional dimensions；
It is characterized in that：The lower mold cavity bottom is to be communicated with die cavity and large through-hole that cross section is consistent with die cavity（14）,
That is the shape size of large through-hole cross section is identical with die cavity, and installation back pressure mould is slidingly sealed in large through-hole（13）, the back pressure
Mould bottom and liftout tank（7）The stroke for connecting and controlling it to slide up and down by liftout tank, back pressure mould upper surface are provided with for installing
The positioning hole of multiple spot cavity plate（11）, the multiple spot cavity plate is by highly identical or different small drift（6）Composition, the small drift lead to
Cross the locating dowel of its lower end（61）In positioning hole, the small uniform close-packed arrays of drift, identical or different height it is small
Drift upper surface forms the thin-walled depth chamber plate material parts bottom shape identical cavity plate with required making.
2. the hydroforming equipment of multiple spot cavity plate is carried as claimed in claim 1, it is characterised in that：The mold bottom surface with
Sheet material blank（4）Between be provided with the first sealing ring（10）, it is close around liquid room that the first sealing ring is arranged on mold bottom surface
In sealing groove, the second sealing ring is provided between the lower mould large through-hole hole wall and back pressure mould side wall（12）, the installation of the second sealing ring
In the seal groove of large through-hole hole wall.
3. the hydroforming equipment of multiple spot cavity plate is carried as claimed in claim 2, it is characterised in that：The oil inlet passage is with going out
The port of oily passage is provided with shoulder hole, the shoulder hole and flange and external connection that oil inlet passage passes through its port with oil discharge passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720187730.6U CN206643187U (en) | 2017-02-28 | 2017-02-28 | Hydroforming equipment with multiple spot cavity plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720187730.6U CN206643187U (en) | 2017-02-28 | 2017-02-28 | Hydroforming equipment with multiple spot cavity plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206643187U true CN206643187U (en) | 2017-11-17 |
Family
ID=60280420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720187730.6U Expired - Fee Related CN206643187U (en) | 2017-02-28 | 2017-02-28 | Hydroforming equipment with multiple spot cavity plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206643187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975688A (en) * | 2017-02-28 | 2017-07-25 | 广西科技大学 | Hydroforming equipment with multiple spot cavity plate and the method that plate material parts are manufactured with it |
| CN109647961A (en) * | 2019-01-22 | 2019-04-19 | 吉林大学 | A kind of shaping dies of high-speed EMUs aluminum profile covering |
-
2017
- 2017-02-28 CN CN201720187730.6U patent/CN206643187U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975688A (en) * | 2017-02-28 | 2017-07-25 | 广西科技大学 | Hydroforming equipment with multiple spot cavity plate and the method that plate material parts are manufactured with it |
| CN109647961A (en) * | 2019-01-22 | 2019-04-19 | 吉林大学 | A kind of shaping dies of high-speed EMUs aluminum profile covering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 Termination date: 20200228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |