CN206241009U - Oil-bath type Aluminum Alloy Sheet Warm Forming device - Google Patents

Abstract

The utility model discloses a kind of oil-bath type Aluminum Alloy Sheet Warm Forming device, including lower mould, upper mould and temperature control system；Lower mould includes lower template, oil bath, holding pad, punch-pin, and the opening corresponding to punch-pin is provided with the middle of holding pad；Upper mould includes upper die plate, cavity plate and ejector block, and the position of cavity plate is corresponding with punch-pin；Temperature control system includes being arranged on the heating tube and thermocouple of oil bath trench bottom, and heating tube is used to heat the fluid inserted in oil bath, and electroheat pair is used for the temperature of real-time detection fluid；The elemental height of fluid is less than holding pad elemental height, higher than the height of punch-pin.The utility model is by the heating to punch-pin, cavity plate, holding pad and plate and monitor in real time, temperature when effectively can ensure to form, it is to avoid measurement temperature postforming causes the forming temperature can only to estimate by experience；Forming temperature can also arbitrarily be set by temperature control system, be that the plate of different model sets optimum forming temperature；Apply also for the mould of various complexities.

Description

Oil-bath type Aluminum Alloy Sheet Warm Forming device

Technical field

The utility model technology belongs to plastic forming field, and in particular to a kind of oil-bath type Aluminum Alloy Sheet Warm Forming dress Put.

Background technology

With being becoming increasingly acute for environmental pollution and the great society problem of energy shortage two, promote automobile industry by sustainable development Core is placed on the energy and environmental protection, and is that leading advanced automobile material technology is the weight of realizing this target with automotive light weight technology Ensure, therefore lightweight turns into the Main way of future automobile technology development.According to relevant information introduction, vehicle weight often mitigates 10%, fuel consumption per hundred kilometers can reduce 6%；If an intermediate（About 1500kg）Reduce 350kg, then its within service life at least The waste gas of about 5250kg can be reduced.Replace traditional carbon steel sheet as body of a motor car inner and outer plates with aluminum alloy materials, can subtract vehicle body Great about 47%, reduce oil consumption up to 28.2%.And when withstanding forces identical, aluminium alloy is lighter than steel by 60%；Bear same impact, aluminium Plate absorbs 50% impact energy, more security more than steel plate.Additionally, the 60% of car aluminum from the aluminium scrap for reclaiming, estimate The year two thousand twenty, can rise to 93%.Obviously, the use of aluminium alloy can not only significantly improve the economy of fuel transport, and utilize back Receipts waste material is made aluminium alloy can also reduce the production cost of automobile structure.

But, aluminium alloy plate plasticity poor ability at normal temperatures is difficult to shaping, this restrict aluminium alloy should With.And it is to solve one of aluminium alloy shaping more effective method at present to shape at a certain temperature.Traditional warm working has two The method of kind：The first directly heats design temperature to aluminium sheet, places into mould, starts forcing press, and slide block down is pressed into Shape, sliding block is up, takes out workpiece.In this process, forcing press is started（Formation of parts typically uses hydraulic press）To formation of parts The regular hour is needed, especially slider of oil press downstream rate is relatively slow, heated material is placed on mould and waits During shaping, board briquette is certain to reduce, it is impossible to accurately ensure forming temperature；Added with heating tube in a mold for second Heat, temperature can carry out certain control, but be directed to part complexity or curved surface degree mould higher, and heating tube is to arrange With implement, so limitation is also very big.

Utility model content

For deficiencies of the prior art, the purpose of this utility model is to provide one kind can accurately control and set Figuration temperature, the oil-bath type aluminium alloy plate temperature that warm working also can be normally realized for complex parts or curved surface degree mould higher Building mortion.

To achieve these goals, the technical solution adopted in the utility model is as follows：

Oil-bath type Aluminum Alloy Sheet Warm Forming device, it is characterised in that：Including lower mould, upper mould and temperature control system；Lower mould includes Lower template, the oil bath of accommodating cavity is formed by the leg and lower template that are arranged in lower template, is arranged in oil bath and is passed through Binder flat spring and the holding pad of lower template connection, the punch-pin being arranged between holding pad and lower template, are provided with oil bath Fluid, fluid liquid level is less than holding pad higher than punch-pin；The opening corresponding to punch-pin is provided with the middle of holding pad；Upper mould includes upper mould Plate, the cavity plate being arranged on upper die plate and the ejector block being arranged in cavity plate, the position of cavity plate are corresponding with punch-pin；Temperature control system Including control unit and the heating tube and thermocouple of oil bath trench bottom are arranged on, heating tube is used to heat the oil inserted in oil bath Liquid, thermocouple is used for the temperature of real-time detection fluid, and the output of thermocouple connects control unit, and the output of control unit connects heating Pipe, the start and stop of heating tube are controlled with the oil liquid temperature detected according to thermocouple.Design temperature is reached when thermocouple detects oil temperature Heating tube stops heating fluid afterwards, is begun to warm up after detecting less than design temperature；The elemental height of fluid is less than binder Plate elemental height, higher than the height of punch-pin.

Used as optimization, the binder flat spring is detachably connected with holding pad and lower mould.

Used as optimization, fluid can reach when the height of the oil bath completes position more than the shaping that cavity plate reaches lower mould Maximum height.

The holding pad can be higher than the height of oil bath, when so placing plate with manipulator, can as far as possible reduce oil Influence of the bath to blowing, i.e. oil bath will not bring obstruction to manipulator blowing.

For convenience of the transhipment of lower mould, the oil bath top is provided with the oil groove cover plate of the capping that is open.

Compared with prior art, the utility model has the advantages that：

1st, the utility model can effectively be ensured by the heating to punch-pin, cavity plate, holding pad and plate and monitor in real time Temperature when forming, it is to avoid measurement temperature postforming causes the situation that forming temperature can only lean on experience to estimate；

2nd, the utility model can arbitrarily set forming temperature by temperature control system, be that the plate setting of different model is most suitable Suitable forming temperature, improves forming efficiency；

3rd, oil-bath type warm working is not influenceed also by mould and final products complexity in the utility model, can be applicable In the production of the mould and plate of various complexities；

4th, under continuous duty, temperature can keep the utility model well, it is possible thereby to accelerate whole flow process, from And improve operating efficiency；

5th, mould can be sealed to an entirety under the utility model, without draining the oil and oiling, transport very convenient；

6th, the utility model design holding pad can be higher by oil bath groove height, manipulator and artificial operation, and positioning is more Accurately, it is more directly perceived so that mould application is more extensive.

Brief description of the drawings

Fig. 1 is the structural representation of mould in embodiment；

Fig. 2 is the B-B sectional views of mould in embodiment；

Fig. 3 is the stereogram of mould in embodiment；

Fig. 4 is the structural representation of mould under embodiment；

Fig. 5 is the A-A sectional views of mould under embodiment；

Fig. 6 is the stereogram of mould under embodiment；

Fig. 7 is the structural representation of molding closed state under embodiment；

Fig. 8 is the C-C sectional views of molding closed state under embodiment；

Fig. 9 is the stereogram of molding closed state under embodiment；

Figure 10 is holding pad change in location schematic diagram in embodiment.

In figure, 1- upper die plates, 2- cavity plates, 3- ejector blocks, 4- push piece springs, 5- lower templates, 6- oil baths, 7- holding pad bullets Spring, 8- holding pads, 9- punch-pin, 10- heating tubes, 11- thermocouples, 12- oil groove cover plates.

Specific embodiment

The utility model is described in further detail with reference to specific embodiment.

Oil-bath type Aluminum Alloy Sheet Warm Forming device, as shown in Fig. 1 ~ Fig. 6, including lower mould, upper mould and temperature control system；Lower mould bag Lower template 5, leg and lower template 5 by being arranged in lower template 5 is included to form the oil bath 6 of accommodating cavity, be arranged on oil bath 6 The interior holding pad 8 connected by binder flat spring 7 and lower template 5, the punch-pin 9 being arranged between holding pad 8 and lower template 5, pressure The opening corresponding to punch-pin 9 is provided with the middle of flitch 8；Upper mould includes upper die plate 1, the cavity plate 2 being arranged on upper die plate 1 and is arranged on The ejector block 3 of the inner chamber of cavity plate 2, ejector block 3 is connected by push piece spring 4 with cavity plate.The position of cavity plate 2 is corresponding with punch-pin 9.Temperature Control system includes being arranged on the heating tube 10 and thermocouple 11 of the bottom of oil bath 6, and heating tube 10 is inserted in oil bath 6 for heating Fluid, thermocouple is used for the temperature of real-time detection fluid, and the output of thermocouple connects control unit, the output of control unit connect plus Heat pipe, the start and stop of heating tube are controlled with the oil liquid temperature detected according to thermocouple.Setting temperature is reached when thermocouple detects oil temperature Heating tube 10 stops heating fluid after degree, is begun to warm up after detecting less than design temperature；The elemental height of fluid is less than The elemental height of holding pad 8, higher than the height of punch-pin 9.Fluid be located at punch-pin on height more than cavity plate shaped portion, holding pad and Alloy plate material three height and, so when cavity plate shaped portion is completely into fluid, will not be contacted with punch-pin.

The workflow of the present apparatus：The fluid in oil bath is heated by heating tube first, now holding pad is in just Beginning position（Positioned at fluid top）；After reaching design temperature, by manipulator（Or it is artificial）Aluminium alloy plate to be processed is placed on holding pad On, forcing press is descending with upper mould, and when cavity plate shaped portion is flooded into fluid, plate and holding pad are pressed onto pause position by cavity plate Stop certain hour（Pause position is to start the ready position before shaping, and the position should make plate, holding pad and cavity plate shaping It is submerged in fluid）；After cavity plate temperature reaches oil temperature, forcing press is continued traveling downwardly with upper mould, coordinates punch-pin to carry out plate Plastic Forming；After the completion of shaping, upper mould is up, while holding pad promotes workpiece together with upper mould in the presence of binder flat spring Up and emersion oil level, workpiece is stayed in cavity plate, is released the workpiece in cavity plate finally by ejector block.

So, by the heating to punch-pin, cavity plate, holding pad and plate and monitor in real time, can effectively ensure into Temperature during row shaping, it is to avoid measurement temperature postforming causes the situation that forming temperature can only lean on experience to estimate；Can also lead to Cross temperature control system and arbitrarily set forming temperature, be that the plate of different model sets optimum forming temperature, improve forming efficiency； Oil-bath type warm working is not influenceed also by mould complexity, can be applied to the mould of various complexities, is solved for zero Part complexity or curved surface degree mould higher, heating tube are difficult to the problem arranged and implement；Under continuous duty, cavity plate because To have there is certain temperature, its heat up time than for the first time heat when it is short a lot, so equivalent to accelerate entirely flow Journey, so as to improve operating efficiency；The elemental height of fluid is less than holding pad elemental height, is to prevent manipulator or operation Personnel directly contact high-temperature oil liquid, higher than the height of punch-pin be in order to ensure fluid heat when punch-pin can also reach therewith it is specified Temperature.

The binder flat spring 7 is detachably connected with holding pad 8 and lower mould.So it is easy to according to different die adjustment pressures The height of flitch.

The maximum that fluid can reach when the height of the oil bath 6 completes position more than the shaping that cavity plate 2 reaches lower mould is high Degree.Can so prevent fluid from being overflowed from oil bath, security when device works be improve, while fluid can also be reduced Waste.

The ejector block 3 is arranged on the inner side of cavity plate 2, is connected with upper die plate 1 by push piece spring 4.So can be with faster Workpiece is easily taken out from cavity plate.

The holding pad 8 can be higher than the height of oil bath 6, when so placing plate with manipulator, can reduce as far as possible Influence of the oil bath to blowing, i.e. oil bath will not bring obstruction to manipulator blowing.Certainly, because holding pad is higher than oil bath Height, it is also possible to blank is placed in artificial operation, without worrying high-temperature oil liquid, simultaneously because it is visible entirely to place blank process, So positioning is more accurate, more directly perceived.

For convenience of the transhipment of lower mould, the top of the oil bath 6 is provided with the oil groove cover plate 12 of the capping that is open.By oil groove lid The capping of plate, the fluid in oil bath swings without worrying in transport process, you can is transported with together with fluid, is movement Whole set of die brings convenience.In such cases, holding pad may be located in oil bath, it is also possible to higher than oil bath.If above Oil bath, then when under cover plate lid, under cover plate effect, holding pad is depressed and shrinks back in oil return bath.

In actual use, different mould structures has no effect on the effect of present apparatus warm working to the present apparatus.The present apparatus is not Various aluminium alloy plates are only applicable to, the warm working of the plates such as magnesium alloy is can be also used for.

It, to illustrate the utility model example, and is not to this reality that above-described embodiment of the present utility model is only With the restriction of new implementation method.For those of ordinary skill in the field, may be used also on the basis of the above description To make the change and variation of other multi-forms.Here all of implementation method cannot be exhaustive.It is every to belong to this reality The obvious change amplified out with new technical scheme changes row still in protection domain of the present utility model.

Claims (5)

1. oil-bath type Aluminum Alloy Sheet Warm Forming device, it is characterised in that：Including lower mould, upper mould and temperature control system；Under lower mould includes Template, the oil bath that accommodating cavity is formed by the leg and lower template that are arranged in lower template, it is arranged in oil bath by pressure Flitch spring and the holding pad of lower template connection, the punch-pin being arranged between holding pad and lower template, are provided with oil in oil bath Liquid, fluid liquid level is less than holding pad higher than punch-pin；The opening corresponding to punch-pin is provided with the middle of holding pad；Upper mould include upper die plate, The cavity plate being arranged on upper die plate and the ejector block being arranged in cavity plate, the position of cavity plate are corresponding with punch-pin；Temperature control system bag Include control unit and be arranged on the heating tube and thermocouple of oil bath trench bottom, heating tube is used to heat the oil inserted in oil bath Liquid, thermocouple is used for the temperature of real-time detection fluid, and the output of thermocouple connects control unit, and the output of control unit connects heating Pipe, the start and stop of heating tube are controlled with the oil liquid temperature detected according to thermocouple.

2. oil-bath type Aluminum Alloy Sheet Warm Forming device according to claim 1, it is characterised in that：The binder flat spring with Holding pad and lower mould are detachably connected.

3. oil-bath type Aluminum Alloy Sheet Warm Forming device according to claim 1, it is characterised in that：The height of the oil bath The maximum height that fluid can reach when the shaping for reaching lower mould more than cavity plate completes position.

4. oil-bath type Aluminum Alloy Sheet Warm Forming device according to claim 1, it is characterised in that：The holding pad is higher than oil The height of bath.

5. oil-bath type Aluminum Alloy Sheet Warm Forming device according to claim 1, it is characterised in that：The oil bath top sets There is the oil groove cover plate of the capping that is open.