CN106825241A

CN106825241A - A kind of wheel hub manufacturing equipment and manufacturing method of wheel hub

Info

Publication number: CN106825241A
Application number: CN201710061791.2A
Authority: CN
Inventors: 郝鑫颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-01-26
Filing date: 2017-01-26
Publication date: 2017-06-13

Abstract

The embodiment of the present invention discloses a kind of wheel hub manufacturing equipment and manufacturing method of wheel hub, is invented can effectively to lift wheel hub performance.The wheel hub manufacturing equipment, including：First punch-pin, side form and the second punch-pin；First punch-pin is oppositely arranged with second punch-pin, and first punch-pin can relatively described second punch-pin motion；The side form is arranged between first punch-pin and second punch-pin；The side form and second punch-pin form the extrusion chamber for placing embryo material；Removable seal closure is covered with the extrusion chamber；In the seal closure, first punch-pin, the side form and the second punch-pin are engaged first punch-pin, and the die cavity of wheel hub is formed between the side form, the first punch-pin and the second punch-pin；Be provided with first through hole on the seal closure, with by the first through hole to carrying out vacuumize process in the seal closure.The embodiment of the present invention can be applied in the wheel hub manufacture of the materials such as aluminium alloy, magnesium alloy, carbon fiber, composite.

Description

A kind of wheel hub manufacturing equipment and manufacturing method of wheel hub

Technical field

The present invention relates to field of automobile, more particularly to a kind of wheel hub manufacturing equipment and manufacturing method of wheel hub.

Background technology

Along with the development of auto industry, the popularity rate of automobile rises year by year, has progressively turned into what average family was commonly used The vehicles.And the performance such as the popularization of family car, lightweight, security, handling and feature of environmental protection also to automobile, it is proposed that Demand higher.

Wheel hub is one of most important part of automobile, and the optimization of wheel hub performance is played to pass weight for the optimization of automotive performance The effect wanted.At present, lightweight structural material such as aluminium alloy, magnesium alloy etc., due to possessing light weight, the features such as intensity is high, Through the preferable selection as boss material.The wheel hub manufactured using lightweight structural material, can mitigate complete vehicle quality, and quality subtracts It is light not only to reduce fuel oil oil consumption, electronic course continuation mileage is lifted, inertia can also be reduced, lift the handling of vehicle.

At present, the lightweight structural material wheel hubs such as aluminium alloy, magnesium alloy are manufactured using Low Pressure Casting Technology more.Low pressure casting skill Art typically uses low pressure and the alloy material of liquid is pressed into mold to form wheel hub.But, manufactured by Low Pressure Casting Technology Wheel hub, its molecule coarse grains, brilliant gap defect is more, and performance needs further raising.Accordingly, it would be desirable to develop more advanced system Technique is made to manufacture lightweight structural material wheel hub so as to lift the performance of lightweight structural material wheel hub.

The content of the invention

Have in view of that, the present invention provides a kind of wheel hub manufacturing equipment and manufacturing method of wheel hub, can utilize extrusion forging Technique manufactures wheel hub, effectively lifting wheel hub performance.

In order to solve the above technical problems, the embodiment of the present invention provides following technical scheme：

In a first aspect, the embodiment of the present invention provides a kind of wheel hub manufacturing equipment, including：

First punch-pin, side form and the second punch-pin；

First punch-pin is oppositely arranged with second punch-pin, and first punch-pin can relatively described second punch-pin fortune It is dynamic；

The side form is arranged between first punch-pin and second punch-pin；

The side form and second punch-pin form the extrusion chamber for placing embryo material, and the side form forms the side of the extrusion chamber Wall, second punch-pin forms the bottom of the extrusion chamber；Wherein：

Removable seal closure is covered with the extrusion chamber；

When the seal closure is located on the extrusion chamber, first punch-pin in the seal closure, described the One punch-pin, the side form and the second punch-pin are engaged, and the mould of wheel hub is formed between the side form, the first punch-pin and the second punch-pin Chamber；

Be provided with first through hole on the seal closure, with by the first through hole to being vacuumized in the seal closure Treatment.

With reference in a first aspect, in the first implementation method of first aspect：

The second through hole is provided with the seal closure, connecting shaft is equipped with second through hole, the connecting shaft with First punch-pin is fixedly connected；

It is slidingly sealed between the connecting shaft and second through hole.

With reference to the first implementation method of first aspect, in second implementation method of first aspect：

The seal closure is arranged on the top of first punch-pin, and can be moved to along the connecting shaft be located at it is described squeeze Removed on pressure chamber or from the extrusion chamber.

With reference to second implementation method of first aspect, in the third implementation method of first aspect：

The seal closure, first punch-pin, the side form and second punch-pin set gradually from top to bottom.

With reference in a first aspect, in the 4th kind of implementation method of first aspect：

When the seal closure is located on the extrusion chamber, the bottom of the seal closure is supported on the top of the side form Portion.

With reference to any one implementation method in first to fourth kind of implementation method of first aspect or first aspect, first In 5th kind of implementation method of aspect：

The side form includes at least two pieces points moulds, and at least one piece point mould at least two pieces points moulds is removable point Mould, the removable movement for being divided to mould makes described at least two pieces to be divided to mould split for the side form or make at least two pieces points mould knots Beam split；

In at least two pieces points mould splits, the extrusion chamber is formed between the side form and second punch-pin.

With reference to the 5th kind of implementation method of first aspect, in the 6th kind of implementation method of first aspect：

The equipment also includes pedestal, and second punch-pin is arranged on the pedestal；

Workbench is provided with the pedestal, the side form is arranged on the workbench；Wherein,

The workbench for setting the removable point of mould is movable working platform, and the removable point of mould is with described removable The movement of workbench and move.

With reference to the 6th kind of implementation method of first aspect, in the 7th kind of implementation method of first aspect：

The bottom of the movable working platform is provided with sliding block, is provided with the pedestal and leading that the sliding block is engaged Groove.

With reference to the 7th kind of implementation method of first aspect, in the 8th kind of implementation method of first aspect：

Each point of mould in the side form is removable point of mould；

Each point of mould is each removably attached on a corresponding workbench；

Alignment pin is provided with each workbench, the bottom of each point of mould is provided with what is be adapted with the alignment pin Location hole, the alignment pin is inserted into the location hole so that each point of mould is positioned on corresponding workbench.

With reference to the 5th kind of implementation method of first aspect, in the 9th kind of implementation method of first aspect：

When each point of mould in the side form is in split state, the periphery of the side form is provided with side form locating piece or described The periphery of side form is arranged with side form abutment sleeve.

With reference to the 5th kind of implementation method of first aspect, in the tenth kind of implementation method of first aspect：

First punch-pin includes base portion and the mould core portion being connected with the base portion；

The lower surface of the base portion is provided with flanging model face；

It is convex with described first in the inside top of the side form when side form, the first punch-pin and the second punch-pin are engaged The first flange die cavity of wheel hub is formed between the flanging model face of the base portion of mould, in the bottom inside and described of the side form The second flange die cavity of wheel hub is formed between the upper surface of two punch-pin.

With reference to the 5th kind of implementation method of first aspect, in a kind of the tenth implementation method of first aspect：

The equipment also includes flange mold, and the flange mold is sheathed on the periphery of first punch-pin, and can be relatively described Second punch-pin is moved；

When the seal closure is located on the extrusion chamber, the flange mold is located in the seal closure, the flange Mould is engaged with the side form and second punch-pin, and wheel is formed between the inside top and the flange mold of the side form The flange die cavity of hub.

With reference to a kind of the tenth implementation method of first aspect, in the 12nd kind of implementation method of first aspect：

First punch-pin includes base portion and mould core portion, and the flange mold is sheathed on the periphery of the mould core portion；

When the side form, first punch-pin and second punch-pin are engaged to form the die cavity, the flange mold Upper surface fitted with the bottom surface of the base portion, the mould core portion and the flange mold are stretched into the extrusion chamber, the side form, Second punch-pin and the flange mold are engaged to form the flange die cavity.

With reference to the 5th kind of implementation method of first aspect, in the 13rd kind of implementation method of first aspect：

At least one of first punch-pin, the side form, the flange mold, second punch-pin are internally provided with Heater block.

With reference in a first aspect, in the 14th kind of implementation method of first aspect：

The equipment also includes wheel hub ejecting mechanism, and the wheel hub ejecting mechanism is arranged on the bottom of second punch-pin, Wheel hub for ejecting extrusion molding；

And/or

The equipment also includes manipulator, and the manipulator is used to take out the wheel hub of extrusion molding.

Second aspect, the embodiment of the present invention provides a kind of manufacturing method of wheel hub for being applied to foregoing wheel hub manufacturing equipment, bag Include：

Embryo material is put into the extrusion chamber formed between side form and the second punch-pin；

Seal closure is located at described being put on the extrusion chamber after embryo material；

The first through hole being provided with by the seal closure in the seal closure to carrying out vacuumize process；

After vacuumize process, the first punch-pin in the seal closure is moved to the second punch-pin and the extrusion chamber is extruded In embryo material forming wheel hub.

With reference to second aspect, in the first implementation method of second aspect：

First punch-pin by the seal closure moved to the second punch-pin and extrude the embryo material in the extrusion chamber with Forming wheel hub includes：

The connecting shaft that promotion is fixedly connected with first punch-pin, so that the first punch-pin in the seal closure is to second Punch-pin is moved and extrudes the embryo material in the extrusion chamber to form wheel hub.

With reference to second aspect, in second implementation method of second aspect：

It is described seal closure is located at described being put on the extrusion chamber after embryo material to include：

The movement seal closure make the seal closure be moved to along the connecting shaft be located at it is described be put into after embryo material squeeze On pressure chamber.

With reference to second aspect, in the third implementation method of second aspect：

The movement seal closure, the bottom of the seal closure is supported on the top of side form, so that the seal closure cover It is located at described being put on the extrusion chamber after embryo material.

With reference to second aspect or any one implementation method of foregoing second aspect, in the 4th kind of implementation method of second aspect In：

Before embryo material is put into, methods described also includes：

A removable point mould is moved to the second punch-pin, so that the removable point of mould and other point of mould phase split, at each point Extrusion chamber is formed between mould and second punch-pin；Wherein, side form is formed after each point of mould split；

Each point of mould after by split carries out spacing；

Being put into embryo material in the extrusion chamber formed between the side form and second punch-pin includes：

Carry out it is spacing after each point of mould and second punch-pin between formed extrusion chamber in be put into embryo material.

With reference to the 4th kind of implementation method of second aspect, in the 5th kind of implementation method of second aspect：

It is described that a removable point mould is moved to the second punch-pin, including：

A removable point mould is moved along pedestal together with corresponding workbench to the second punch-pin, what the workbench bottom was set Sliding block is engaged with the guide groove set on pedestal.

With reference to the 4th kind of implementation method of second aspect, in the 6th kind of implementation method of second aspect：

First punch-pin is moved to second punch-pin, the core rod of first punch-pin is stretched into the extrusion chamber and is squeezed The embryo material in the extrusion chamber is pressed, the base portion supports of first punch-pin are at the top of the side form；

The embryo material compressive deformation forms wheel hub；Wherein, the side form inside top and first punch-pin base The first flange of wheel hub is formed between the flanging model face in portion, it is upper with second punch-pin in the bottom inside of the side form The second flange of wheel hub is formed between surface.

With reference to the 4th kind of implementation method of second aspect, in the 7th kind of implementation method of second aspect：

After the vacuumize process, methods described also includes：

Flange mold in the seal closure is moved to second punch-pin and extruded the embryo material in the extrusion chamber, So as to form the flange of wheel hub between the inside top and the flange mold of the side form.

With reference to the 7th kind of implementation method of second aspect, in the 8th kind of implementation method of second aspect：

In moving the flange mold and first punch-pin and extrude the extrusion chamber to second punch-pin simultaneously Embryo material, or, first punch-pin being moved to second punch-pin and after embryo material in starting to extrude the extrusion chamber, Under conditions of first punch-pin is kept to the extruding of the embryo material, the flange mold is moved and extruded to second punch-pin Embryo material in the extrusion chamber, or, in first punch-pin is moved to second punch-pin and extrudes the extrusion chamber Embryo material after, convex the touching is exited into the extrusion chamber, the flange mold is moved to second punch-pin and extruded institute afterwards State the embryo material in extrusion chamber.

With reference to the 7th kind of implementation method of second aspect, in the 9th kind of implementation method of second aspect：

The manufacture method also includes：

First punch-pin, the flange mold, second punch-pin and the side form are preheating to the first predetermined temperature, with And the embryo material is preheating to the second predetermined temperature；

The embryo material after by preheating is put into by being preheated to and is maintained at the side form and second of first predetermined temperature In the extrusion chamber that punch-pin is formed；

First punch-pin by the seal closure is moved to second punch-pin and extrudes the embryo in the extrusion chamber Material includes：

The first punch-pin that will be preheated to and be maintained at first predetermined temperature is moved and is deep into second punch-pin The embryo material in the extrusion chamber is extruded in the extrusion chamber；

The flange mold by the seal closure is moved to second punch-pin and extrudes the embryo material in the extrusion chamber Including：

The flange mold that will be preheated to and be maintained at first predetermined temperature is moved to second punch-pin and extrudes described squeezing Embryo material in pressure chamber.

With reference to the 7th kind of implementation method of second aspect, in the tenth kind of implementation method of second aspect：

The extrusion time that first punch-pin extrudes the embryo material in the extrusion chamber was more than or equal to for first scheduled time；

The extrusion time that the flange mold extrudes the embryo material in the extrusion chamber was more than or equal to for second scheduled time.

With reference to the tenth kind of implementation method of second aspect, in a kind of the tenth implementation method of second aspect：

First scheduled time is 3-300 seconds, and second scheduled time is 3-300 seconds.

Wheel hub manufacturing equipment provided in an embodiment of the present invention and manufacturing method of wheel hub, by the first punch-pin, side form and second The cooperation of punch-pin, carries out extruding and forms wheel hub to embryo material, you can manufacture wheel hub, this technique manufacture with using extrusion and forging process Wheel hub, because embryo material is subject to huge pinch shock power, therefore, using the wheel hub manufactured by the embodiment of the present invention, crystal point Son is smaller, and molecular gap is closeer, molecular density is higher and molecule between mutual power it is stronger, therefore, the weight of wheel hub can be made more Gently, rigidity more preferably, effectively improves wheel hub performance.Additionally, the design that the embodiment of the present invention passes through seal closure so that extrusion process Can under vacuum carry out, effectively prevent air pressure and air particles for extrusion process and the bad shadow of wheel hub finished product Ring, further can effectively lift wheel hub performance.

Brief description of the drawings

Fig. 1 is the structural representation of the wheel hub manufacturing equipment that one embodiment of the present of invention is provided；

Fig. 2 be wheel hub manufacturing equipment shown in Fig. 1 the first punch-pin, the second punch-pin, side form is engaged when structural representation Figure；

Fig. 3 is the structural representation of the wheel hub manufacturing equipment that one embodiment of the present of invention is provided；

Fig. 4 is wheel hub manufacturing equipment shown in Fig. 3 when the first punch-pin, the second punch-pin, side form and flange mold are engaged Structural representation；

Fig. 5 is the structural blast schematic diagram of the wheel hub manufacturing equipment that one embodiment of the present of invention is provided；

Fig. 6 is the forward sight knot when the first punch-pin, the second punch-pin, side form are engaged in wheel hub manufacturing equipment shown in Fig. 5 Structure schematic diagram；

Fig. 7 is cross-sectional view of the wheel hub manufacturing equipment shown in Fig. 6 along AA directions；

Fig. 8 is cross-sectional view of the wheel hub manufacturing equipment shown in Fig. 6 along BB directions；

Fig. 9 is the structural blast schematic diagram of the wheel hub manufacturing equipment that one embodiment of the present of invention is provided；

Figure 10 be in wheel hub manufacturing equipment shown in Fig. 9 when the first punch-pin, the second punch-pin, side form and flange mold are engaged Forward sight structural representation；

Figure 11 is cross-sectional view of the wheel hub manufacturing equipment shown in Figure 10 along AA directions；

Figure 12 is cross-sectional view of the wheel hub manufacturing equipment shown in Figure 10 along BB directions；

Figure 13 is the structural blast schematic diagram of the wheel hub manufacturing equipment that one embodiment of the present of invention is provided；

Figure 14 is engaged in the first punch-pin, the second punch-pin, side form and flange mold in wheel hub manufacturing equipment shown in Figure 13 When forward sight structural representation；

Figure 15 is cross-sectional view of the wheel hub manufacturing equipment shown in Figure 14 along AA directions；

Figure 16 is cross-sectional view of the wheel hub manufacturing equipment shown in Figure 14 along BB directions；

Figure 17 is the structural representation of the wheel hub manufacturing equipment that one embodiment of the present of invention is provided；

Figure 18 is the schematic flow sheet of the manufacturing method of wheel hub that one embodiment of the present of invention is provided.

Specific embodiment

In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not For limiting the present invention.

As long as additionally, technical characteristic involved in invention described below each implementation method is each other not Constituting conflict can just be mutually combined.

It is emphasized that being due to what wheel hub manufacturing equipment provided in an embodiment of the present invention and manufacturing method of wheel hub were utilized Extruding embryo material makes embryo material be configured to the mode of wheel hub, therefore, it is related to various moulds corresponding with wheel hub, such as punch-pin, side form, turn over Side mould etc., and in the profile and each mould of each mould anticipated shown in accompanying drawing model pattern etc. be only to illustrate used, and Expression actual mould profile and true model pattern are not used in, therefore are not intended to limit the present invention, under design concept of the invention, Those skilled in the art can design each mould, bag according to actual conditions such as the optimizations of the configuration requirement of wheel hub and manufacturing process Include profile, model pattern of mould etc..

It is understood that design concept and designing points for the prominent embodiment of the present invention, in the embodiment of the present invention Wheel hub manufacturing equipment only focuses on section components in description equipment, it is clear that the equipment also includes miscellaneous part, and describes emphatically Part be engaged to realize the normal operation of equipment.Those skilled in the art can be based on the design structure of the embodiment of the present invention Think to design and configure these miscellaneous parts, the present invention does not limit this.

With reference to shown in Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of wheel hub manufacturing equipment, including the first punch-pin 1, side form 2nd, the second punch-pin 3 and seal closure 7.

Referring to Fig. 1, in the wheel hub manufacturing equipment of the embodiment of the present invention, the first punch-pin 1 is oppositely arranged with the second punch-pin 3, Side form 2 is arranged between the first punch-pin 1 and the second punch-pin 3.Specifically, the first punch-pin 1, the punch-pin 3 of side form 2 and second can be by Top to bottm sets gradually, or sets gradually from down to up, naturally it is also possible to set successively from left to right or from right to left Put；Preferably, as shown in figure 1, the first punch-pin 1, the punch-pin 3 of side form 2 and second set gradually from top to bottom, the first punch-pin 1 is set In the surface of the second punch-pin 3.

Wherein, the first punch-pin 1 can be moved with respect to the second punch-pin 3, i.e. the first punch-pin 1 can be moved towards the second punch-pin 3 Moved away from the second punch-pin 3, specifically, the first punch-pin 1 can be moved toward and away from the second punch-pin 3 under force, example Such as, the first punch-pin 1 can be moved in the presence of the power that hydraulic cylinder or motor are provided toward and away from the second punch-pin 3.

Referring to Fig. 1, the punch-pin 3 of side form 2 and second is used to form the extrusion chamber 200 for placing wheel hub embryo material, wherein, the shape of side form 2 Into the side wall of extrusion chamber 200, the second punch-pin 3 forms the bottom of extrusion chamber 200, and the inner surface of side wall is the model face of side form 2, and The inner surface of bottom is the model face of the second punch-pin 3.In wheel hub manufacturing process, wheel hub embryo material, example will be placed in extrusion chamber 200 Such as aluminium alloy embryo material, magnesium alloy embryo material.Then, as shown in Fig. 2 the first punch-pin 1 is transported to the second punch-pin 3 under force Dynamic, being deep into extrusion chamber 200 carries out pinch shock to embryo material and forms wheel hub.That is, the first punch-pin 1 is towards the second punch-pin 3 motion can make the first punch-pin 1 go deep into the extruding embryo material formation wheel hub of extrusion chamber 200, and the first punch-pin 1 is away from the second punch-pin 3 Motion can be such that the first punch-pin 1 is exited from extrusion chamber 200.

In the wheel hub manufacturing equipment of the embodiment of the present invention, seal closure 7 is movable seal cover, the side that it can be can be removed Formula is located on extrusion chamber 200, so as to cover an extruding working space for closing.As shown in figure 1, being located in seal closure 7 When on extrusion chamber 200, the first punch-pin 1 is located in the working space of the closing, i.e., the punch-pin 1 of extrusion chamber 200 and first is arranged on close In sealing cover 7.First through hole 70 is provided with seal closure 7, with by first through hole 70 in seal closure 7, i.e., the work to closing Vacuumize process is carried out as space.In order to carrying out vacuumize process in seal closure 7, first through hole 7 can connect vavuum pump etc. and take out Vacuum equipment.

When wheel hub is manufactured, wheel hub embryo material can be placed first in extrusion chamber 200, then move seal closure 7 and covered and set On extrusion chamber 200, so as to cover the extruding space of closing.Then, by first through hole 70 to being vacuumized in seal closure 7 Treatment, after vacuumize process, the first punch-pin 1 of control is moved to the second punch-pin 3, as shown in Fig. 2 the first punch-pin 1 is deep into extruding Embryo material is extruded so as to form wheel hub in chamber 200.Embryo material is extruded in the first punch-pin 1 is deep into extrusion chamber 200 During impact, now side form 2, the first punch-pin 1 and the second punch-pin 3 form the state being engaged, as side form 2, the first punch-pin 1 and the When two punch-pin 3 are engaged, three is engaged the die cavity 100 to form wheel hub, and under the cooperation of this three, embryo material will be extruded Be with the corresponding shape of die cavity 100, so as to form wheel hub.

It can be seen from Fig. 1, seal closure 7 is arranged on the top of the first punch-pin 1, can be moved towards the second punch-pin 3, so that mobile To extruding space that closing is formed on extrusion chamber 200 is covered at, specifically, seal closure 7, the first punch-pin 1, side form 2 and second are convex Mould 3 sets gradually from top to bottom.Seal closure 7 can from top to bottom be moved to and be located on extrusion chamber 200, and from down to up move from Removed on extrusion chamber 200.When seal closure 7 is located on extrusion chamber 200, the bottom of seal closure 7 is supported on the top of side form 2. But it is understood that, it is merely illustrative shown in Fig. 1, the invention is not restricted to this, for example, the piecemeal of seal closure 7 is arranged on extrusion chamber 200 Periphery, each piecemeal can be gathered to the center of extrusion chamber 200, so as to form the state being located on extrusion chamber 200.For example, The bottom of seal closure 7 can be supported on the top of the periphery rather than side form 2 of side form 2, as long as cover sets extrusion chamber 200 and forms closing , surround the first punch-pin 1 extruding space, the first punch-pin 1 is entered in the extruding space for the extrusion process of embryo material OK.

Wheel hub manufacturing equipment provided in an embodiment of the present invention, by the first punch-pin 1, the cooperation of the punch-pin 3 of side form 2 and second, Extruding is carried out to embryo material and forms wheel hub, you can manufacture wheel hub with using extrusion and forging process, the wheel hub of this technique manufacture, due to Embryo material is subject to huge pinch shock power, therefore, using the wheel hub manufactured by wheel hub manufacturing equipment provided in an embodiment of the present invention, Crystal molecule is smaller, and molecular gap is closeer, molecular density is higher and molecule between mutual power it is stronger, therefore, wheel hub can be made Weight is lighter, and rigidity more preferably, effectively improves wheel hub performance.Additionally, the design that the embodiment of the present invention passes through seal closure so that squeeze Pressing through journey can be carried out under vacuum, effectively prevent air pressure and air particles for extrusion process and wheel hub finished product not Good influence, further can effectively lift wheel hub performance.For the vehicle using this wheel hub, can effectively reduce oil consumption and carry Course continuation mileage is risen, moreover, it is also possible to be effectively improved the performances such as acceleration, braking distance, manipulation, user vehicle can be brought and more relaxed Suitable driving experience.

Improved as one kind, optionally, side form 2 could be arranged to block design, and side form 2 includes at least two pieces points moulds, i.e., Side form 2 is formed by after at least two pieces points mould splits, and at least one piece point mould in these point of mould is removable point of mould, i.e. a side Some or all of point of mould in mould 2 is moveable, and the movement of removable point of mould can cause that all points of moulds are stitched together Complete side form 2 is formed, removable side form can also departed from from the side form after split, so as to be separated with other point of mould, made point Mould terminates split state.Formed when mould split state is divided, between the punch-pin 3 of side form 2 and second formed after split and place embryo material Extrusion chamber 200, point mould of split forms the side wall of extrusion chamber 200, and the second punch-pin 3 forms the bottom of extrusion chamber 200.

Wherein, divide the block number of mould 20 not limit, can be 2 pieces, 3 pieces, 4 pieces, 5 pieces, 6 pieces, 7 pieces, 8 pieces, 9 pieces and more polylith Etc. any block number, all points of moulds of side form can be all set to a removable point of mould, it is also possible to partly be set to removable point Mould.

This block design of side form 2, on the one hand, due to each point of small volume of mould, mould prepares to get up to be more prone to, Accurate size is easily-controllable, and mould process formability preferably, can effectively reduce mould input, on the other hand, in follow-up manufacture wheel hub First punch-pin 1, side form 2, the second punch-pin 3 are engaged when extruding embryo material, can make being more uniformly stressed for embryo material, effectively Ensure the performance of manufactured wheel hub；And the maintenance and replacing of mould are easy in the removable design of point mould, and, using point mould It is mobile to cause that wheel hub is easier the demoulding.

In the case where side form 2 is block design, optionally, in one embodiment of the invention, wheel hub manufacturing equipment Pedestal is may also include, the second punch-pin 3 and side form 2 are arranged on pedestal, for ease of the replacing of mould, the second punch-pin 3 and side form 2 Detachable setting can be.In order to realize the removable point of movement of mould, optionally, the bottom of removable point of mould is provided with sliding block, The guide groove being engaged with sliding block is provided with pedestal, so that removable point of mould can be moved on pedestal along projected route.

In the case where side form 2 is block design, optionally, in one embodiment of the invention, wheel hub manufacturing equipment Also include pedestal, the second punch-pin 3 is removably disposed on pedestal, and workbench is additionally provided with pedestal, and each point of mould of side form 2 can Releasably set on the table, wherein, it is movable working platform to set the removable point of workbench of mould, may move point mould with The movement of movable working platform and move.Specifically, the movement in order to realize movable working platform, movable working platform bottom can Sliding block is provided with, the guide groove being engaged with sliding block is provided with pedestal, so that movable working platform can be on pedestal along pre- Fixed line is moved.For example, it is that point mould is set on the table, be can be set on each workbench has alignment pin, each point of mould Bottom is provided with the location hole being adapted with alignment pin, and alignment pin is inserted into location hole so that each point of mould is positioned at corresponding work Make on platform.

It is further, in one embodiment of the invention, each in side form 2 in the case where side form 2 is block design Mould is divided to be a removable point of mould, each point of mould is each removably attached on a corresponding workbench, and each workbench is to die cavity The movement of 100 center positions makes the split of score mould phase form side form 2, and each workbench is moved away from the center position of die cavity 100 and caused respectively Mould is divided to be separated.

Preferably, complete extrusion molding to embryo material because the first punch-pin 1, side form 2, the second punch-pin 3 need to cooperate, because This, it is necessary to ensure each point of fastness of the split state of mould, therefore, when each point of mould is in split state and forms side form 2, can be The periphery of side form 2 is provided with side form locating piece or can be arranged with side form abutment sleeve in the periphery of side form 2, and reach is carried out to side form 2 Spacing effect, is effectively ensured each point of tight split of mould.

Improved as one kind, optionally, with reference to shown in Fig. 3 and Fig. 4, the wheel hub manufacturing equipment of the embodiment of the present invention also includes Flange mold 4, flange mold 4 is sheathed on the periphery of the first punch-pin 1, and can be in the effect of power with respect to the motion flange mold 4 of the second punch-pin 3 Under moved toward and away from the second punch-pin 3, for example, flange mold 4 can in the presence of the power that hydraulic cylinder or motor are provided, Moved toward and away from the second punch-pin 3.When seal closure 7 is located on extrusion chamber 200, the punch-pin 1 of flange mold 4 and first is together In seal closure 7.In seal closure 7, specifically can in seal closure after vacuumize process 7, flange mold 4 under force to Second punch-pin 3 is moved, and be equally deep into extrusion chamber 200 carries out pinch shock to the embryo material for extruding cavity edge, so as to form wheel Wide enlarging flange.When the embryo material during flange mold 4 is deep into extrusion chamber 200 to extrusion chamber top edge carries out pinch shock, Now flange mold 4,2 and second punch-pin of side form 3 form the state being engaged, and as flange mold 4, the punch-pin 3 of side form 2 and second matches During conjunction, three is engaged the flange die cavity 300 that wheel hub is formed between the inside top of side form 2 and flange mold 4, in the cooperation of three Under, the embryo material of the top edge of extrusion chamber 200 will be extruded be with the corresponding shape of flange die cavity 300, so as to form wheel hub Enlarging flange.That is, the motion of flange mold 4 towards the second punch-pin 3 can make flange mold 4 go deep into the extruding embryo of extrusion chamber 200 Material forms flange, and flange mold 4 can be such that flange mold 41 is exited from extrusion chamber 200 away from the motion of the second punch-pin 3.

So, by the cooperation of the first punch-pin 1, side form 2, the second punch-pin 3 and flange mold 4, the enlarging flange and bar of wheel hub Width etc. can be with once-forming, it is not necessary to is subsequently processed further, and effectively simplifies the manufacturing process of wheel hub, further improves wheel hub Yield rate.

Optionally, the first punch-pin 1 and flange mold 4 can be arranged to be moved with respect to the second punch-pin 3 simultaneously, for example, court simultaneously Moved to the second punch-pin 3 or moved away from the second punch-pin 3 simultaneously, can be also arranged to timesharing and be moved with respect to the second punch-pin 3, i.e., two Person moves in different time with respect to the second punch-pin 3, for example, relative second punch-pin 3 of both priorities is moved, it is specific for example, first is convex After mould 1 is moved to the second punch-pin 3, flange mold 4 is moved to the second punch-pin 3.No matter the first punch-pin 1 and flange mold 4 simultaneously or are divided When moved with respect to the second punch-pin 3, both can share it is same set of offer motoricity power set, can also be equipped with dynamical system System.Specifically, flange mold 4 can be arranged and be fastened on the periphery of the first punch-pin 1, therefore both are while relative second punch-pin 3 Motion.Flange mold 4 can also movably be set in the periphery of the first punch-pin 1, and the punch-pin 1 of flange mold 4 and first is each independent to be transported It is dynamic, therefore, both can simultaneously or timesharing is moved with respect to the second punch-pin 3.For example, in one kind specific implementation, the first punch-pin 1 with First power set are connected, and in the presence of the first power set, relative second punch-pin 3 of the first punch-pin 1 is moved, and flange mold 4 It is connected with the second power set, in the presence of the second power set, flange mold 4 is moved with respect to the second punch-pin 3, so, flange The punch-pin 1 of mould 4 and first can be moved independently of one another, independently of one another simultaneously or timesharing moved with respect to the second punch-pin 3.

In wheel hub manufacturing process, in seal closure 7, the first punch-pin 1 is moved to the second punch-pin 3 under force, deep Enter in extrusion chamber 200 to carry out embryo material pinch shock and form wheel hub, and flange mold 4 is transported to the second punch-pin 3 under force Dynamic, being equally deep into extrusion chamber 200 embryo material to extruding cavity edge carries out pinch shock, so that the enlarging for forming profile is turned over Side.When pinch shock is carried out to embryo material during the first punch-pin 1 is deep into extrusion chamber 200, now side form 2, the first punch-pin 1 and second Punch-pin 3 forms the state being engaged, and when as side form 2, the first punch-pin 1 and the second punch-pin 3 are engaged, three is engaged to form wheel The die cavity 100 of hub, under the cooperation of this three, embryo material will be extruded be with the corresponding shape of die cavity 100, so as to form wheel Hub.And when the embryo material during flange mold 4 is deep into extrusion chamber 200 to the top edge of extrusion chamber 200 carries out pinch shock, now turn over Side mould 4,2 and second punch-pin of side form 3 form the state being engaged, when as flange mold 4, the punch-pin 3 of side form 2 and second are engaged, Three is engaged the flange die cavity 300 that wheel hub is formed between the inside top of side form 2 and flange mold 4, under the cooperation of three, squeezes Press the top edge of chamber 200 embryo material will be extruded be with the corresponding shape of flange die cavity 300, so as to form the enlarging of wheel hub Flange.

Specifically, the first punch-pin 1 can carry out pinch shock embryo material to the motion of the second punch-pin 3 simultaneously with flange mold 4, can also be by First punch-pin 1 is moved to the second punch-pin 3 first, and be deep into extrusion chamber 200 carries out pinch shock and form initial wheel hub to embryo material, Moved to the second punch-pin 3 from flange mold 4 again and enlarging flange is formed along carrying out pinch shock to the neighboring of initial wheel hub, so that complete Into the manufacture of wheel hub.In 4 pinch shock of flange mold, as shown in figure 4, the first punch-pin 1 can keep being deep into squeezing for extrusion chamber 200 Pressure condition, can also have logged out extrusion chamber 200, terminate its squeezed state.

When the first punch-pin 1 and flange mold 4 go deep into extrusion chamber 200 to extrude embryo material, now the first punch-pin 1, side form 2, Second punch-pin 3, flange mold 4 are engaged, that is, form die cavity 100, and form flange die cavity at the inside top edge of die cavity 100 300.Go deep into the extruding embryo material backed off after random of extrusion chamber 200 extrusion chamber 200 in the first punch-pin 1 and then flange mold 4 is goed deep into extrusion chamber 200 and squeezed The situation of embryo material is pressed, during the extruding embryo material of the first punch-pin 1, the state that formation side form 2, the first punch-pin 1 and the second punch-pin 3 are engaged, Die cavity 100 is formed, and when flange mold 4 extrudes embryo material, the state that formation flange mold 4, the punch-pin 3 of side form 2 and second are engaged, Flange die cavity 300 is formed between the inside top and flange mold 4 of side form 2.

In order to be better understood from and illustrating die cavity and flange die cavity, Fig. 4 illustrates a kind of side form 2, the first punch-pin 1 and It is to form Fig. 2 when the three of two punch-pin 3 is engaged and flange mold 4, the equipment schematic diagram when punch-pin 3 of side form 2 and second is engaged Shown equipment state, the first punch-pin 1 can form side form 2, the first punch-pin 1 and the phase of the second punch-pin 3 to the motion of the second punch-pin 3 first Mated condition, then in the case where the mated condition is kept, flange mold 4 forms flange mold 4, side form 2 to the motion of the second punch-pin 3 With the matching conjunction state of the second punch-pin 3, certainly, the first punch-pin 1 and flange mold 4 can be moved to the second punch-pin 3 simultaneously, so that shape simultaneously Into side form 2, the first punch-pin 1 and the matching conjunction state of the second punch-pin 3 and flange mold 4, the matching conjunction state of 2 and second punch-pin of side form 3. Fig. 4 is specifically referred to, side form 2, the first punch-pin 1 and the second punch-pin 3 form the state being engaged, i.e., needed in wheel hub manufacturing process When wanting side form 2, the first punch-pin 1 and the second punch-pin 3 to be engaged extruding embryo material formation wheel hub, the first punch-pin 1 is deep into extrusion chamber 200, the die cavity 100 of wheel hub is formed between side form 2, the first punch-pin 1 and the second punch-pin 3, the shape of die cavity 100 is relative with wheel hub Should, under the collective effect of side form 2, the first punch-pin 1 and the second punch-pin 3, i.e., in the presence of die cavity 100, the embryo in die cavity 100 Material be extruded be with the corresponding shape of die cavity 100, so as to form wheel hub.Flange mold 4,2 and second punch-pin of side form 3 form phase The state of cooperation, i.e., need flange mold 4, the punch-pin 3 of side form 2 and second to be engaged extruding embryo material in wheel hub manufacturing process and form wheel During the enlarging flange of hub, flange mold 4 is deep into extrusion chamber 200, and wheel hub is formed between flange mold 4 and the inside top of side form 2 Flange die cavity 300, under flange mold 4, the cooperation of the three of 2 and second punch-pin of side form 3, the embryo material in flange die cavity 300 will be squeezed Pressing formation be with the corresponding shape of flange die cavity 300, so as to form the enlarging flange of wheel hub.

It is further alternative, in the wheel hub manufacturing equipment of the embodiment of the present invention, the first punch-pin 1, side form 2, the and of the second punch-pin 3 At least one of flange mold 4 is internally provided with heater block, such as heater strip, so that can be to setting a side of heater block Preheated and be incubated, mould is matched with the temperature of embryo material, the crudy of embryo material is effectively ensured.Preferably, first is convex The inside of mould 1, side form 2, the second punch-pin 3 and flange mold 4 is provided with heater block.

Optionally, the wheel hub manufacturing equipment of the present embodiment may also include wheel hub ejecting mechanism, and the wheel hub ejecting mechanism can set Put in the bottom of the second punch-pin 3, the wheel hub for ejecting extrusion molding.

Optionally, the wheel hub manufacturing equipment of the present embodiment may also include manipulator, and the manipulator is squeezed into for taking-up The wheel hub of shape.

Wheel hub manufacturing equipment provided in an embodiment of the present invention is further described below by a specific embodiment. With reference to shown in Fig. 5 to Fig. 8, the present embodiment provides a kind of wheel hub manufacturing equipment, and the wheel hub manufacturing equipment includes：

First punch-pin 1, side form 2, the second punch-pin 3, seal closure 7.

Seal closure 7, the first punch-pin 1, the punch-pin 3 of side form 2 and second set gradually from top to bottom, and it is convex that seal closure 7 is located at first The top of mould 1, the first punch-pin 1 is located at the surface of the second punch-pin 3, and side form 2 is located between the first punch-pin 1 and the second punch-pin 3.

Side form 2 includes 4 pieces of points of moulds 20, and this 4 pieces of points of mould 20 is all or part of removable point of mould, and point mould 20 is around second Model face 30 on punch-pin 3 is set；When a point mould 20 forms complete side form 2 in split state, each point of mould 20 forms extrusion chamber Side wall, the second punch-pin 3 forms the bottom of extrusion chamber, and the inner surface of side wall is the model face 21 of side form 2, and the inner surface of bottom It is the model face 31 of the second punch-pin 3.When 20 split of mould is divided, the removable point of locking of mould 20 is prevented from moving by it by retaining mechanism Dynamic, it is ensured that subsequently with the extrusion fit of the first punch-pin 1 and the second punch-pin 3, retaining mechanism is, for example, in determining that the periphery of side form 2 is set Position block, or the abutment sleeve being arranged in the periphery of side form 2.

First punch-pin 1 is including base portion 10 and is arranged on the mould core portion 11 that the lower section of base portion 10 is connected with base portion 10, base portion 10 Lower surface is additionally provided with flanging model face 12, and the flanging model face 12 is used to be formed the enlarging flange of wheel hub.

Seal closure 7 is provided with the through hole 71 of first through hole 70 and second, is located in seal closure 7 and closing is formed on extrusion chamber During extruding space, first through hole 70 is used for carrying out vacuumize process in seal closure, and the second through hole 71 is equipped with connecting shaft 6, even Spindle 6 is rigidly fixed with the first punch-pin 1 and is connected.It is sliding between the through hole 71 of connecting shaft 6 and second to ensure the sealing in extruding space Dynamic sealing.Seal closure 7 can be moved downwardly to along connecting shaft 6 and be located on extrusion chamber the extruding space for forming closing, or can edge Connecting shaft is moved so as to be removed from extrusion chamber upwards.

Connecting shaft 6 is reached outside seal closure 7 through the second through hole 71, and for connecting power device, power set are promoted Connecting shaft 6, under the impetus of connecting shaft 6, relative second punch-pin 3 of the first punch-pin 1 is moved, that is, be deep into extrusion chamber and exit Extrusion chamber.

Optionally, heater block can be respectively provided with the first punch-pin 1, the punch-pin 3 of side form 2 and second, for these moulds Tool is preheated and is incubated；

In wheel hub manufacturing process, first, extrusion chamber is formed after point split of mould 20 with the second punch-pin 3, extrusion chamber places embryo After material, seal closure 7 is moved to along connecting shaft and is located on extrusion chamber, in the present embodiment, when being located on extrusion chamber, and seal closure 7 bottom is supported on the top of side form 2.Then, then, pushed away to carrying out vacuumize process in seal closure 7 using first through hole 70 Dynamic connecting shaft 6 moves downward the first punch-pin 1, and mould core portion 11 applies pinch shock power in being deep into extrusion chamber to embryo material, so that The state that formation side form 2, the first punch-pin 1 and the second punch-pin 3 are engaged, now, referring specifically to Fig. 7, side form 2, the and of the first punch-pin 1 Second punch-pin 3 forms the die cavity 100 corresponding with boss shape, and with reference to shown in Fig. 7 and Fig. 8, the base portion 10 of the first punch-pin 1 is supported At the top of side form 2, the shape of die cavity 100 is corresponding with wheel hub 5, in the common work of side form 2, the first punch-pin 1 and the second punch-pin 3 Under, embryo material be extruded be with the corresponding shape of die cavity 100, so as to form wheel hub 5.

Die cavity 100 includes the first flange die cavity 101 and the second flange die cavity 102, in side form 2, the first punch-pin 1 and second When punch-pin 3 is engaged, wheel is formed between the flanging model face 12 of the base portion 10 of the inside top and the first punch-pin 1 of side form 2 First flange die cavity 101 of hub, the second of wheel hub is formed between the bottom inside of side form 2 and the upper surface of the second punch-pin 3 Flange die cavity 102, the first flange die cavity 101 and the second flange die cavity 102 are used to be formed the enlarging flange of wheel hub.

So, in the presence of die cavity 100, by once extruding, enlarging flange and vertically hung scroll of wheel hub etc. can be with one Secondary shaping, it is not necessary to be subsequently processed further, effectively simplifies the manufacturing process of wheel hub, further improves the yield rate of wheel hub.

The bottom of the second punch-pin 3 can be equipped with wheel hub ejecting mechanism, for the wheel hub of extrusion molding to be ejected, also can be in wheel hub Manipulator is set in manufacturing equipment, the wheel hub of extrusion molding is taken out by manipulator.

Wheel hub shaping after, under the pulling function of connecting shaft 6, the first punch-pin 1 exits extrusion chamber, then, seal closure 7 from Removed on extrusion chamber, next removable point of mould 20 is separated away from the movement of die cavity 100 with other point of mould 20, consequently facilitating wheel hub takes Go out.Optionally, wheel hub ejecting mechanism can be equipped with the bottom of the second punch-pin 3, for the wheel hub 5 of extrusion molding to be ejected, also may be used Manipulator is set in wheel hub manufacturing equipment, the wheel hub of extrusion molding is taken out by manipulator.

Wheel hub manufacturing equipment provided in an embodiment of the present invention is further described below by a specific embodiment. With reference to shown in Fig. 9 to Figure 12, the present embodiment provides a kind of wheel hub manufacturing equipment, and the wheel hub manufacturing equipment includes：

First punch-pin 1, side form 2, the second punch-pin 3, flange mold 4 and seal closure 7.

Seal closure 7, the first punch-pin 1, the punch-pin 3 of side form 2 and second set gradually from top to bottom, and it is convex that seal closure 7 is located at first The top of mould 1, flange mold 4 is set in the periphery of the first punch-pin 1, and the first punch-pin 1 is located at the surface of the second punch-pin 3, side form 2 Between the first punch-pin 1 and the second punch-pin 3.

First punch-pin 1 and flange mold 4 can be moved with respect to the second punch-pin 3.

First punch-pin 1 includes base portion 10 and is arranged on the mould core portion 11 of the lower section of base portion 10, as shown in figures 9 and 11, flange Mould 4 is specifically sheathed on the periphery of mould core portion 11.Can be to be fastenedly connected between the punch-pin 1 of flange mold 4 and first, flange mold 4 it is upper Surface is fitted setting with the bottom surface of base portion 10.When the first punch-pin 1 is moved towards the second punch-pin 3, flange mold 4 can be in company with first Punch-pin 1 is moved simultaneously towards the second punch-pin 3.First punch-pin 1 is moved in the presence of dynamical system, although flange mold 4 can companion First punch-pin 1 is moved, but for increasing action power, flange mold 4 also can separately configuration provides power dynamical system.

Certainly, can be to be flexibly connected between the punch-pin 1 of flange mold 4 and first, flange mold 4 can be same in company with the first punch-pin 1 The second punch-pin of Shi Chaoxiang 3 is moved, it is also possible to which independent relative second punch-pin 3 is moved.In side form 2, the first punch-pin 1 and the second punch-pin 3 The state being engaged forms die cavity 100, and the state that side form 2, the punch-pin 3 of flange mold 4 and second are engaged forms flange die cavity 300 When, the upper surface of flange mold 4 is fitted setting with the bottom surface of base portion 10.

Certainly, improved as one kind of the present embodiment, there can be two kinds of connected modes between the punch-pin 1 of flange mold 4 and first, One kind is to be fastenedly connected, and one kind is to be flexibly connected, and can switch the connected mode between the punch-pin 1 of flange mold 4 and first.First When punch-pin 1 needs to be moved to the second punch-pin 3, will be set to be fastenedly connected between the punch-pin 1 of flange mold 4 and first, so that turning over Side mould 4 is moved downward in company with the first punch-pin.When needing to be individually moved the first punch-pin 1 or flange mold 4, can be by the He of flange mold 4 Be set between first punch-pin 1 be flexibly connected, i.e., both can each self-movement, be independent of each other each other.

Optionally, heater block can be respectively provided with the first punch-pin 1, side form 2, the second punch-pin 3 and flange mold 4, be used for These moulds are preheated and are incubated.

In wheel hub manufacturing process, first, a removable point mould 20 is moved to the model face 31 of the second punch-pin 3, with other The split of mould 20 is divided to be complete side form 2, side form 2 will form the extrusion chamber for placing embryo material with the second punch-pin 3.Each point of mould 20 after split The side wall of extrusion chamber is formed, the second punch-pin 3 forms the bottom of extrusion chamber 200, and the inner surface of side wall is the model face 21 of side form 2. Divide after the split of mould 20 and the second punch-pin 3 forms extrusion chamber, after extrusion chamber places embryo material, seal closure 7 moves to cover and sets along connecting shaft On extrusion chamber, in the present embodiment, as shown in figure 11, when being located on extrusion chamber, the bottom of seal closure 7 is supported on side form 2 Top.Then, using first through hole 70 to carrying out vacuumize process in seal closure 7, then, connecting shaft 6 is promoted to make first convex Mould 1 is moved downward, and flange mold 4 is moved downward in company with the first punch-pin 1, and mould core portion 11 and flange mold 4 are stretched into extrusion chamber, extruding punching Embryo material is hit, the state that beginning side form 2, the first punch-pin 1 and the second punch-pin 3 are engaged forms die cavity 100, and starts side form 2, flange The state that the punch-pin 3 of mould 4 and second is engaged forms flange die cavity 300.Now, referring to Figure 11, side form 2, the first punch-pin 1 and second The die cavity 100 corresponding with the shape of wheel hub 5 is formed between punch-pin 3, flange is formed between the inside top and flange mold 4 of side form 2 Die cavity 300, die cavity 100 includes flange die cavity 300, and the embryo material in die cavity 100 is extruded and is and the corresponding shape of die cavity 100 Shape, so as to form wheel hub 5, the embryo material in flange die cavity 300 will be extruded be with the corresponding shape of flange die cavity 300, from And form the enlarging flange of wheel hub 5.

As shown in figure 11, it is engaged and to form the die cavity 100 in side form 2, the first punch-pin 1, the second punch-pin 3 and flange mold 4 During with flange die cavity 300, the base portion 10 of the first punch-pin 1 is supported on the top of side form 2.Certainly, the present embodiment not limited to this, base portion 10 tops that can not be also supported on side form 2.

After wheel hub shaping, the first punch-pin 1 and flange mold 4 are moved so as to exit away from the second punch-pin 3 simultaneously or successively Extrusion chamber, then, seal closure 7 is removed from extrusion chamber, and next removable point of mould 20 is away from the movement of die cavity 100 and other point of mould 20 separate, consequently facilitating wheel hub takes out.Optionally, wheel hub ejecting mechanism can be equipped with the bottom of the second punch-pin 3, for that will extrude The wheel hub 5 of shaping is ejected, and also can set manipulator in wheel hub manufacturing equipment, is taken the wheel hub of extrusion molding by manipulator Go out.

Wheel hub manufacturing equipment provided in an embodiment of the present invention is further described below by a specific embodiment. The wheel hub manufacturing equipment of the present embodiment, is differing principally in that with earlier figures 9 to embodiment illustrated in fig. 12, and flange mold 4 is different.With reference to Shown in Figure 13 to Figure 16, the wheel hub manufacturing equipment of the present embodiment includes：

Heater block can be respectively provided with first punch-pin 1, side form 2, the second punch-pin 3 and flange mold 4, for these Mould is preheated and is incubated.

First punch-pin 1 includes base portion 10 and mould core portion 11, and flange mold 4 includes internal model portion 41 and is arranged at the outer rim of inner membrance portion 41 Peripheral part 40.Under a kind of mode, flange mold 4 can movably be set in the periphery of the first punch-pin 1, flange mold 4 and first The respective self-movement of punch-pin 1, both are independent of each other in motion.Under another way, flange mold 4 is fastened and is set in the outer of base portion 10 Week, flange mold 4 will follow the first punch-pin 1 to move, and the first punch-pin 1 is moved in the presence of connecting shaft 6, although flange mold 4 can be with Move with the first punch-pin 1, but for increasing action power, flange mold 4 also can separately configuration provides power dynamical system.Further Under the mode of kind, flange mold 4 can movably be set in the periphery of the first punch-pin 1, it is also possible to which fastening is set in the outer of base portion 10 Week, two ways mutually switches.

In wheel hub manufacturing process, first, a removable point mould 20 is moved to the model face 31 of the second punch-pin 3, with other The split of mould 20 is divided to be complete side form 2, side form 2 will form the extrusion chamber for placing embryo material with the second punch-pin 3.Each point of mould 20 after split The side wall of extrusion chamber is formed, the second punch-pin 3 forms the bottom of extrusion chamber 200, and the inner surface of side wall is the model face 21 of side form 2. Divide after the split of mould 20 and the second punch-pin 3 forms extrusion chamber, after extrusion chamber places embryo material, seal closure 7 moves to cover and sets along connecting shaft On extrusion chamber, in the present embodiment, as shown in figure 11, when being located on extrusion chamber, the bottom of seal closure 7 is supported on side form 2 Top.Then, using first through hole 70 to carrying out vacuumize process in seal closure 7, then, connecting shaft 6 is promoted to make first convex Mould 1 is moved downward, and flange mold 4 is moved downward in company with the first punch-pin 1, and mould core portion 11 and flange mold 4 are stretched into extrusion chamber, extruding punching Embryo material is hit, the state that beginning side form 2, the first punch-pin 1 and the second punch-pin 3 are engaged forms die cavity 100, and starts side form 2, flange The state that the punch-pin 3 of mould 4 and second is engaged forms flange die cavity 300.Now, referring to Figure 11, side form 2, the first punch-pin 1 and second Form the die cavity 100 corresponding with the shape of wheel hub 5 between punch-pin 3, the inside top of side form 2 and the inner membrance portion 41 of flange mold 4 it Between form flange die cavity 300, die cavity 100 includes flange die cavity 300, and the embryo material in die cavity 100 is extruded and is and die cavity 100 Corresponding shape, so as to form wheel hub 5, it is corresponding with flange die cavity 300 that the embryo material in flange die cavity 300 will be extruded Shape, so as to form the enlarging flange of wheel hub 5.

As shown in figure 15, when side form 2, the first punch-pin 1 and the second punch-pin 3 are engaged to form die cavity 100, and side form 2, turn over When the side form 2 of side mould 4 and second is engaged to form flange die cavity 300, flange mold is sheathed on the periphery of base portion 10.Certainly, this implementation Example not limited to this, now, flange mold 4 can also be sheathed on the periphery of mould core portion 11.And in side form 2, the second punch-pin 3 and flange mold 4 When being engaged to form flange die cavity 300, peripheral part 40 is supported on the top of side form 2, the inside top of side form 2 and inner membrance portion 41 it Between form flange die cavity 300.Certainly, the present embodiment not limited to this, peripheral part 40 can not also be supported on the top of side form 2.

The wheel hub manufacturing equipment that Figure 16 is provided for further embodiment of this invention, as shown in figure 16, in the present embodiment, first is convex Mould 1 is arranged on the surface of the second punch-pin 3, including base portion 10 and mould core portion 11；Side form 2 is removably secured by alignment pin 61 It is arranged on workbench 8, alignment pin 61 is inserted into the location hole being adapted to alignment pin on side form 2；Side form 2 includes polylith point Mould, and polylith point mould includes at least one piece removable point of mould, may move the workbench 8 for dividing mould to set is movable working platform, By the movement of movable working platform, point mould and other point of mould complete side form of formation stitched together are may move, and it is convex with second Mould 3 forms the extrusion chamber for placing embryo material together, and each point of mould is set around the model face 30 of the second punch-pin, and each point of mould is convex with second Mould is tightly engaged into the extrusion chamber of the placement embryo material to form closed；Removable seal closure 7 is covered with extrusion chamber, on seal closure 7 The through hole 71 of first through hole 70 and second is provided with, when seal closure 7 is located on extrusion chamber the extruding space for forming closing, first leads to Hole 70 is used for carrying out vacuumize process in seal closure, and the second through hole 71 is equipped with connecting shaft 6, and connecting shaft 6 is firm with the first punch-pin 1 Property is fixedly connected.To ensure the sealing in extruding space, it is slidingly sealed between the through hole 71 of connecting shaft 6 and second.Seal closure 7 can edge Connecting shaft 6 is moved downwardly to and is located on extrusion chamber the extruding space for forming closing, or can upwards be moved along connecting shaft so as to Removed from extrusion chamber.The bottom of the second punch-pin 3 is provided with wheel hub ejecting mechanism 9, can upwards move ejection wheel hub；Second is convex Mould 3 is detachably arranged on pedestal；First punch-pin 1 is moved in the presence of connecting shaft 6 to the second punch-pin 3, so as to form each mould The state that tool is engaged is to form wheel hub.

When equipment is run, first, extrusion chamber is formed with the second punch-pin 3 after point split of mould 20, after extrusion chamber places embryo material, Seal closure 7 is moved to along connecting shaft and is located on extrusion chamber, in the present embodiment, when being located on extrusion chamber, and the bottom of seal closure 7 Portion is supported on the top of side form 2.Then, using first through hole 70 to carrying out vacuumize process in seal closure 7, then, the company of promotion Spindle 6 moves downward the first punch-pin 1, and mould core portion 11 applies pinch shock power in being deep into extrusion chamber to embryo material, so as to be formed The state that side form 2, the first punch-pin 1 and the second punch-pin 3 are engaged, now, side form 2, the first punch-pin 1 and the second punch-pin 3 formed with The corresponding die cavity 100 of boss shape, the shape of die cavity 100 is corresponding with wheel hub 5, convex in side form 2, the first punch-pin 1 and second Under the collective effect of mould 3, embryo material be extruded be with the corresponding shape of die cavity 100, so as to form wheel hub.

Corresponding with aforementioned device embodiment, the embodiment of the present invention also provides a kind of wheel hub manufacture for being applied to aforementioned device Method, as shown in figure 18, including：

Step 101, embryo material is put into the extrusion chamber formed between side form and the second punch-pin；

Step 102, seal closure is located on the extrusion chamber after being put into embryo material；

Step 103, the first through hole being provided with by seal closure is to carrying out vacuumize process in seal closure；

Step 104, after vacuumize process, the first punch-pin in seal closure is moved to the second punch-pin and extrusion chamber is extruded In embryo material forming wheel hub.

Manufacturing method of wheel hub provided in an embodiment of the present invention, by the cooperation of the first punch-pin, side form and the second punch-pin, to embryo Material carries out extruding and forms wheel hub, you can manufacture wheel hub, the wheel hub of this technique manufacture, due to embryo material with using extrusion and forging process By huge pinch shock power, therefore, using the wheel hub manufactured by the embodiment of the present invention, crystal molecule is smaller, molecular gap It is closeer, molecular density is higher and molecule between mutual power it is stronger, therefore, the weight of wheel hub can be made lighter, rigidity more preferably, effectively Improve wheel hub performance.Additionally, the design that the embodiment of the present invention passes through seal closure so that extrusion process can be under vacuum Carry out, effectively prevent the harmful effect of air pressure and air particles for extrusion process and wheel hub finished product, further can effectively carry Rise wheel hub performance.For the vehicle using this wheel hub, oil consumption lifting course continuation mileage can be effectively reduced, and, may be used also To be effectively improved the performances such as acceleration, braking distance, manipulation, can bring user vehicle more comfortable driving experience.

Optionally, in one embodiment of the invention, at step 104, by the first punch-pin in seal closure to second Punch-pin is moved and extrudes the embryo material in extrusion chamber and is specially with forming wheel hub：

The connecting shaft that promotion is fixedly connected with the first punch-pin, so that the first punch-pin in seal closure is moved to the second punch-pin And the embryo material in extrusion chamber is extruded to form wheel hub.

Optionally, in one embodiment of the invention, in a step 102, seal closure is located at after being put into embryo material It is specially on extrusion chamber：

Mobile seal closure makes seal closure be moved to along connecting shaft to be located on the extrusion chamber after being put into embryo material.

Mobile seal closure, the bottom of seal closure is supported on the top of side form, so that seal closure is located at is put into embryo material On extrusion chamber afterwards.

Further, the situation of the block design of side form is directed to, in one embodiment of the invention, in step 101 Before, i.e., before embryo material is put into, a removable point mould is moved to the second punch-pin first, so that removable point of mould and other point of mould phase Split, extrusion chamber is formed between each point of mould and the second punch-pin；Wherein, side form is formed after each point of mould split；Then, by after split Each point of mould carry out it is spacing；Spacing meaning is to make removable point of mode locking after split not in movement, and makes the spelling of point mould Conjunction state keeps stabilization.Specifically, abutment sleeve can be arranged in side form periphery, also locating piece can be set in side form periphery, so that Reaching split pattern carries out spacing purpose.Afterwards, in a step 101, carry out it is spacing after each point of mould and the second punch-pin between Embryo material is put into the extrusion chamber of formation.

According to the removable point of set-up mode of mould, when a removable point mould is arranged on pedestal, in split point mould, can A mobile point mould is moved along pedestal to the second punch-pin, in moving process, is set on the removable point of sliding block of mould bottom setting and pedestal The guide groove put is engaged, and when removable point of mould is set on the table, workbench is arranged on when on pedestal, in split point mould, A removable point mould is moved along pedestal together with corresponding workbench to the second punch-pin, in moving process, workbench bottom is set Sliding block with pedestal set guide groove be engaged.

Specifically, in one embodiment of the invention, at step 104, by the first punch-pin in seal closure to second Punch-pin is moved and extrudes the embryo material in extrusion chamber and is specially with forming wheel hub：

First punch-pin is moved to the second punch-pin, the embryo for making the mould core portion of the first punch-pin stretch into extrusion chamber extruding extrusion chamber Material, the base portion supports of the first punch-pin are at the top of side form；

Embryo material compressive deformation forms wheel hub；Wherein, side form inside top and the first punch-pin base portion flanging model The first flange of wheel hub is formed between face, wheel hub is formed between the bottom inside of side form and the upper surface of the second punch-pin Second flange.

Optionally, in one embodiment of the invention, after step 103, can also include the steps of：

Flange mold in seal closure is moved to the second punch-pin and extruded the embryo material in extrusion chamber, so as at the top of side form The flange of wheel hub is formed between inner side and flange mold.

Wherein it is possible to flange mold and the first punch-pin are moved to the second punch-pin simultaneously and the embryo material in extrusion chamber is extruded, Can the first punch-pin is moved to the second punch-pin and start extrude extrusion chamber in embryo material after, keep the first punch-pin to embryo material Extruding under conditions of, flange mold is moved to the second punch-pin and extruded the embryo material in extrusion chamber, can also be by the first punch-pin After moving and extrude the embryo material in extrusion chamber to the second punch-pin, the first punch-pin is exited into extrusion chamber, afterwards by flange mold to second Punch-pin is moved and extrudes the embryo material in extrusion chamber.

Preferably, in one embodiment of the invention, each mould can be preheating to the first predetermined temperature first, will Embryo material is preheating to the second predetermined temperature, carries out the extruding of embryo material again afterwards.In extrusion process, each mould is set to be incubated the One predetermined temperature.Wherein, the first predetermined temperature and the second predetermined temperature can be with identical, it is also possible to different.Embryo material is different, preheating temperature Degree can be adjusted accordingly, and for example, the first predetermined temperature and the second predetermined temperature can be 330-440 degrees Celsius.In step 101 In, the extruding that the side form and the second punch-pin of the first predetermined temperature are formed is put into by being preheated to and be maintained to the embryo material after preheating In chamber；At step 104, will be preheated to and be maintained at the first punch-pin of the first predetermined temperature and move and be deep into the second punch-pin The embryo material in extrusion chamber is extruded in extrusion chamber；And in moving the flange mold in seal closure and extrude extrusion chamber to the second punch-pin Embryo material is specially：The flange mold of the first predetermined temperature will be preheated to and be maintained to be moved to the second punch-pin and extrude the embryo in extrusion chamber Material.

It should be noted that the first punch-pin stretches into the embryo material in extrusion chamber extruding extrusion chamber to the movement of the second punch-pin to need to protect Pressure certain hour, that is, keep certain pressure to continue for some time embryo material, makes embryo material compressive deformation form wheel hub, wherein, pressurize Time is alternatively referred to as the extrusion time of the embryo material in the first punch-pin extruding extrusion chamber, it is necessary to be more than or equal to for first scheduled time, its In first scheduled time can be 3 seconds.Specifically, the dwell time can be 3-300 seconds.Similarly, in flange mold extruding extrusion chamber The extrusion time of embryo material be also required to more than or equal to second scheduled time, wherein second scheduled time can be 3 seconds.Specifically, The dwell time of flange mold can be 3-300 seconds.

After wheel hub shaping, the first punch-pin and flange mold can be made simultaneously or successively away from the motion of the second punch-pin so as to exit Extrusion chamber, then, seal closure is removed from extrusion chamber, and next removable point of mould is separated away from die cavity movement with other point of mould, Consequently facilitating wheel hub takes out.At this moment, the shaping wheel hub on the second punch-pin is directly taken out using manipulator, or, using second The wheel hub ejecting mechanism of male bottom ejects the shaping wheel hub on the second punch-pin, or, first with the wheel of the second male bottom Hub ejecting mechanism ejects the shaping wheel hub on the second punch-pin, is then taken out wheel hub using manipulator.

It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that Also there is other identical element in process, method, article or equipment including the key element.

Each embodiment in this specification is described by the way of correlation, identical similar portion between each embodiment Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.

The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims

1. a kind of wheel hub manufacturing equipment, it is characterised in that including：

First punch-pin, side form and the second punch-pin；

First punch-pin is oppositely arranged with second punch-pin, and first punch-pin can relatively described second punch-pin motion；

The side form is arranged between first punch-pin and second punch-pin；

The side form and second punch-pin form the extrusion chamber for placing embryo material, and the side form forms the side wall of the extrusion chamber, Second punch-pin forms the bottom of the extrusion chamber；Wherein：

Removable seal closure is covered with the extrusion chamber；

When the seal closure is located on the extrusion chamber, first punch-pin is in the seal closure, and described first is convex Mould, the side form and the second punch-pin are engaged, and the die cavity of wheel hub is formed between the side form, the first punch-pin and the second punch-pin；

Be provided with first through hole on the seal closure, with by the first through hole to carrying out vacuumizing place in the seal closure Reason.

2. equipment according to claim 1, it is characterised in that

The second through hole is provided with the seal closure, connecting shaft is equipped with second through hole, the connecting shaft with it is described First punch-pin is fixedly connected；

It is slidingly sealed between the connecting shaft and second through hole.

3. equipment according to claim 2, it is characterised in that

The seal closure is arranged on the top of first punch-pin, and can be moved to along the connecting shaft and be located at the extrusion chamber The upper or removal from the extrusion chamber.

4. equipment according to claim 3, it is characterised in that

5. equipment according to claim 1, it is characterised in that when the seal closure is located on the extrusion chamber, institute The bottom for stating seal closure is supported on the top of the side form.

6. the equipment according to claim 1-5, it is characterised in that

The side form includes at least two pieces points moulds, and at least one piece point mould at least two pieces points moulds is removable point of mould, institute Stating the removable movement for being divided to mould makes described at least two pieces to be divided to mould split for the side form or make at least two pieces points moulds terminate to spell Close；

7. equipment according to claim 6, it is characterised in that

The workbench for setting the removable point of mould is movable working platform, and the removable point of mould is with the mobile work The movement of platform and move.

8. equipment according to claim 7, it is characterised in that

The bottom of the movable working platform is provided with sliding block, and the guide groove being engaged with the sliding block is provided with the pedestal.

9. equipment according to claim 7, it is characterised in that

Each point of mould in the side form is removable point of mould；

Each point of mould is each removably attached on a corresponding workbench；

Alignment pin is provided with each workbench, the bottom of each point of mould is provided with the positioning being adapted with the alignment pin Hole, the alignment pin is inserted into the location hole so that each point of mould is positioned on corresponding workbench.

10. equipment according to claim 6, it is characterised in that when each point of mould in the side form is in split state, The periphery of the side form is provided with side form locating piece or the periphery of the side form is arranged with side form abutment sleeve.