CN109796125A - Centrifugal forming processing method and its processing unit (plant) - Google Patents
Centrifugal forming processing method and its processing unit (plant) Download PDFInfo
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- CN109796125A CN109796125A CN201910089664.2A CN201910089664A CN109796125A CN 109796125 A CN109796125 A CN 109796125A CN 201910089664 A CN201910089664 A CN 201910089664A CN 109796125 A CN109796125 A CN 109796125A
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Abstract
The present invention discloses a kind of centrifugal forming processing method, which includes the following steps: to be placed in workpiece to be formed on one die mould face, and the workpiece to be formed is fixed using fixture；The die mould face and the workpiece to be formed is driven to heat around a center axis rotation, and to the workpiece to be formed；Stop heating the workpiece to be formed after preset time, and stops driving the die mould face and the workpiece rotation to be formed to obtain shaping workpiece.Invention additionally discloses a kind of centrifugal forming processing unit (plant)s, suitable for above-mentioned centrifugal forming processing method.Die mould work piece production of the present invention is at low cost and qualification rate is high.
Description
Technical field
The present invention relates to forming processing technology field, in particular to a kind of centrifugal forming processing method and its processing unit (plant).
Background technique
Processing and forming is that a kind of processing and forming tool that the final surface profile for workpiece matches makes workpiece shaping
Processing method.Currently, processing and forming is to be pressed by using upper and lower concave-convex graphite jig workpiece such as glass, acrylic boards
Type, but one machine of this way will use 10~20 molds, and production cost is higher.Because the precision of 10~20 molds can not
Guarantee is consistent, so that the size of work-piece batch, effect difference can be generated because of the difference of mold by influencing the workpiece processed,
Can not accurately manage size, the effect of workpiece, and also as mismachining tolerance between bolster and cause workpiece can not
Certain one side is fitted in completely, is produced to influence a series of undesirable elements such as work piece production off-dimension, size side, folding line
It is raw.
Summary of the invention
The main object of the present invention is to propose a kind of centrifugal forming processing method, it is intended to solve prior art medium-pressure type workpiece
High production cost and the low problem of qualification rate.
To achieve the above object, the present invention proposes a kind of centrifugal forming processing method, which includes
Following steps:
Workpiece to be formed is placed on a die mould face, and the workpiece to be formed is fixed using fixture；
The die mould face and the workpiece to be formed is driven to add around a center axis rotation, and to the workpiece to be formed
Heat；
Stop heating the workpiece to be formed after preset time, and stops driving the die mould face and described
Workpiece rotation to be formed is to obtain shaping workpiece.
Preferably, the driving die mould face and the workpiece to be formed be around a center axis rotation, and to it is described at
The step of type workpiece is heated include:
Start to heat the workpiece to be formed, drives the die mould face and the workpiece rotation to be formed to first
Speed makes the fixture leave the workpiece to be formed；
Drive the die mould face and the workpiece rotation to be formed to rise to second speed from the First Speed, will it is described to
Shaping workpiece is heated to preset temperature.
Preferably, described to stop heating the workpiece to be formed after preset time, and stop described in driving
The step of die mould face and the workpiece rotation to be formed are to obtain shaping workpiece include:
After driving the die mould face and the workpiece to be formed to rotate the preset time with the second speed, stopping pair
The workpiece heating to be formed, and stop driving the die mould face and the workpiece rotation to be formed；
When First Speed is down to from the second speed in the die mould face and the workpiece rotation to be formed, using described
The workpiece to be formed is fixed in fixture；
The die mould face and the workpiece to be formed stop rotating, and obtain shaping workpiece.
Preferably, stop heating the workpiece to be formed after preset time described, and stop driving institute
After stating the step of die mould face and the workpiece rotation to be formed are to obtain shaping workpiece, the centrifugal forming processing method is also wrapped
It includes:
The shaping workpiece is cooled down.
The present invention also proposes a kind of centrifugal forming processing unit (plant), is suitable for above-described centrifugal forming processing method, should
Centrifugal forming processing unit (plant) includes pedestal, swivel mount, model, motor, fixed mechanism and heating mechanism, in which:
The swivel mount is rotatably arranged on the base, and the swivel mount includes shaft and multiple around the shaft
The station of distribution, the model is installed on each described station, and the model is used to support workpiece and provides court to workpiece
To the die mould face of the shaft；
The motor is located on the pedestal, and the output shaft of the motor is connect with the rotating shaft transmission；
The side of each model is provided with the fixed mechanism, and the fixed mechanism is for workpiece to be fixed on
On the model；
The heating mechanism is for heating the workpiece on each described station.
Preferably, the swivel mount includes several supporting elements set gradually around the shaft, the supporting element connection
There is the installation part for installing the model.
Preferably, the fixed mechanism includes the support rod being mounted on the swivel mount and is rotatably arranged in described
Lever on support rod, the support rod are radially extended along the shaft, and the lever is installed close to one end of the model
There is the fixing piece for pressing the workpiece placed on the model, one end far from the model is equipped with described solid for balancing
Determine the balance element of part.
Preferably, the heating mechanism includes the heating layer of setting on the base, and the heating layer forms accommodating institute
The heated sealed space of swivel mount and the model is stated, is provided with thermal insulation layer on the outside of the heating layer.
The beneficial effects of the present invention are: in centrifugal forming processing method of the invention, workpiece is placed in a die mould
On face, die mould face and workpiece is driven to carry out high speed rotation around a central axis, and heat and soften to workpiece, workpiece is centrifuged
Power and on die mould face compressive deformation, realize and the centrifugal forming of workpiece processed.To workpiece carry out centrifugal forming processing method,
It compares and die mould is carried out to workpiece by upper/lower die, the usage quantity of mold can be reduced, reduce production cost, improve economic effect
Benefit；Also, force die mould dexterously is carried out to workpiece using centrifugal force, workpiece can be made to be bonded die mould face completely, reduces processing
Error, improves the Forming Quality of workpiece, to improve the production qualification rate of die mould workpiece.
Detailed description of the invention
Fig. 1 is the flow chart of centrifugal forming processing method in one embodiment of the invention；
Fig. 2 is the flow chart of centrifugal forming processing method in another embodiment of the present invention；
Fig. 3 is the flow chart of centrifugal forming processing method in further embodiment of this invention；
Fig. 4 is the structural schematic diagram of centrifugal forming processing unit (plant) in one embodiment of the invention；
Fig. 5 is the structural schematic diagram of centrifugal forming processing unit (plant) in another embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, carries out clear and complete retouch to the scheme in the embodiment of the present invention
It states, it is clear that described embodiment is only a part of the embodiment in the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The present invention proposes a kind of centrifugal forming processing method, as shown in Figure 1, including the following steps:
S100: workpiece to be formed is placed on a die mould face, and treats shaping workpiece using fixture and is fixed.
In this step, workpiece to be formed is glass pieces, and the die mould face to glass pieces, die mould can be provided by mold
It scribes as die mould shape needed for extruded glass workpiece in face.Wherein, die mould face need to be vertical die mould face, and passes through artificial or adopt
Glass pieces are placed into the default die mould position on the die mould face of mold with carrying mechanism, avoid being placed into mould because of glass pieces
Position on the die mould face of tool not pair does not lead to subsequent die mould mistake.It, will by fixture after placing glass pieces on mold
Glass pieces are fixed on mold, facilitate the progress of next process.
S200: driving die mould face and workpiece to be formed are treated shaping workpiece and are heated around a center axis rotation.
In this step, drive the glass pieces on mold and mold around a center axis rotation, glass pieces are justified because of work
Zhou Yundong and by centrifugal force, the calculation formula of centrifugal force is F=MR ω2, wherein M is the quality of glass pieces, and R is rotation
Radius, ω are revolving speed.Centrifugal force suffered by glass pieces can be calculated according to the quality of glass pieces, radius of turn and revolving speed
Size, for example, when the quality of glass pieces is 0.022kg, radius of turn 0.25m, revolving speed 6000r/min, glass pieces
Suffered die mould power is about 2169N.At this point, centrifugal force suffered by glass pieces is that glass pieces are suffered on mold
Die mould power.In addition, heating by heating methods such as heat transfer or heat radiations to glass pieces, soften glass pieces,
It is convenient that die mould is carried out to glass pieces.
S300: stopping treating shaping workpiece and being heated after preset time, and stops driving die mould face and to be formed
Workpiece rotation is to obtain shaping workpiece.
In this step, glass pieces are persistently by die mould power, and after preset time, glass pieces die mould is complete, stop
Only glass pieces are heated.Also, stop driving mold and glass pieces rotation, mold and glass pieces stop motion
Afterwards, glass pieces are no longer influenced by die mould power, obtain molding glass pieces.
In a preferred embodiment of the present invention, drive die mould face and workpiece to be formed around a center axis rotation, and treat into
The step of type workpiece is heated include:
S210: starting to treat shaping workpiece and be heated, and drives die mould face and workpiece rotation to be formed to First Speed, makes
Fixture leaves workpiece to be formed；
In this step, start to heat glass pieces, mold and glass pieces is driven to rotate to First Speed, folder
Tool is no longer fixed glass pieces, to prevent table of the fixture in subsequent heating process to the glass pieces of heating and softening
Face damages, at this point, centrifugal force of the glass pieces suffered by its own and be fixed on the die mould face of mold.
S220: it drives die mould face and workpiece rotation to be formed to rise to second speed from First Speed, workpiece to be formed is added
Heat is to preset temperature.
In this step, mold and glass pieces rotation is driven to rise to second speed from First Speed.Wherein, according to glass
The size of glass workpiece required die mould power when being badly deformed can calculate second speed by the calculation formula of centrifugal force.So driving
Mold and glass pieces are rotated with second speed, required die mould power when glass pieces are badly deformed by it.In addition, by glass
Glass workpiece is heated to preset temperature, softens glass pieces to deformable state.
In a upper embodiment, stopping is treated shaping workpiece and is heated after preset time, and stops driving die mould
The step of face and workpiece rotation to be formed are to obtain shaping workpiece include:
S310: after driving die mould face and workpiece to be formed to rotate preset time with second speed, shaping workpiece is treated in stopping
Heating, and stop driving die mould face and workpiece rotation to be formed；
In this step, it drives mold and glass pieces to rotate preset time with second speed, is to make glass pieces
It is bonded completely with die mould face, keeps glass pieces deformation complete, improve the quality of production.After a preset time lapses, stop to glass
Workpiece is heated, and glass pieces start to cool down, and gradually harden.Stop driving mold and glass pieces rotation, mold and glass
The rotation speed of glass workpiece gradually decreases, and centrifugal force suffered by glass pieces is gradually reduced.
S320: it when First Speed is down to from second speed in die mould face and workpiece rotation to be formed, is treated into using fixture
Type workpiece is fixed；
In this step, mold and glass pieces rotation speed gradually decrease, and centrifugal force suffered by glass pieces is gradually
Reduce, and when second speed is down to First Speed, fixture is again fixed glass pieces, because of the drop with rotation speed
Low, glass pieces can avoid glass pieces because suffered centrifugal force is not enough to continue to be fixed on the die mould face of mold
It is fallen from mold.
S330: die mould face and workpiece to be formed stop rotating, and obtain shaping workpiece.
In this step, mold and glass pieces are stopped rotating completely, and mold and glass pieces remain stationary state, are obtained
Molding glass pieces.After obtaining molding glass pieces, can by carrying mechanism by molding glass pieces from mold
Die mould is removed on face.
In a preferred embodiment of the present invention, as shown in Figure 1, stopping treating shaping workpiece progress after a preset time lapses
Heating, and stop after driving the step of die mould face and workpiece rotation to be formed are to obtain shaping workpiece, centrifugal forming processing side
Method further include:
S400: shaping workpiece is cooled down.
In this step, natural cooling can be carried out to glass pieces, or glass pieces is placed in a cooling device
It is cooled down, accelerates the cooling of glass pieces, save the transit time for entering next process, improve working efficiency.
The present invention also proposes a kind of centrifugal forming processing unit (plant), suitable for above-mentioned centrifugal forming processing method, such as Fig. 4 institute
Show, which includes pedestal 100, swivel mount 200, model 300, motor 400, fixed mechanism and heater
Structure, in which:
Swivel mount 200 is rotatably arranged on pedestal 100, and swivel mount 200 includes shaft 210 and multiple around the shaft 210
The station of distribution, model 300 is installed on each station, and model 300 is used to support workpiece 10 and provides direction to workpiece 10
The die mould face of shaft 210.In the present embodiment, shaft 210 is the foundation structure of swivel mount 200 and the rotation for being located at swivel mount 200
Center, swivel mount 200 pass through the mounting plate that the shaft 210 being vertically arranged passes through pedestal, axis are arranged between shaft 210 and mounting plate
It holds, swivel mount 200 can rotate on pedestal 100.Model 300 is fixed by screws on swivel mount 200, is pacified on swivel mount 200
Multiple models 300 are filled, multiple models 300 can be rotated with swivel mount 200 around its shaft 210, can the multiple works of simultaneous processing
Part 10, high production efficiency.Swivel mount 200 can be made of refractory metal material, such as cast iron.Wherein, model 300 can be punch-pin
Or cavity plate, and gear is respectively set along the both ends of 200 direction of rotation of swivel mount at it in model 300, prevent workpiece 10 along
The direction of rotation of swivel mount 200 flies out, and model 300 is made of heat-resisting materials such as graphite or metals.
Motor 400 is located on pedestal 100, and the output shaft and shaft 210 of motor 400 are sequentially connected.In the present embodiment, motor
400 output shaft is arranged downward and passes through the mounting plate 110 of pedestal 100, and motor is mounted on the mounting plate of pedestal 100 by screw
On 110, rotating wheel is respectively provided on the output shaft of motor 400 and the shaft 210 of swivel mount 200, motor 400 and swivel mount 200 are logical
It crosses and is arranged belt on rotating wheel, motor is driven swivel mount 200 by belt, so that swivel mount 200 be driven quickly to revolve
Turn.
The side of each model 300 is provided with fixed mechanism, and fixed mechanism is used to workpiece 10 being fixed on model 300
On.In the present embodiment, fixed mechanism can be several screw rods being arranged on swivel mount 200, screw rod one end be installed with for
Workpiece 10 contacts and withstands the head part of workpiece 10, and screw rod is connected with electronic system, electronic system control screw rod tighten so that
Head part withstands workpiece 10, so that workpiece 10 remains stationary on model 300, prevents the deviation when swivel mount 200 rotates of workpiece 10
Default die mould position on model 300.
Heating mechanism is for heating the workpiece 10 on each station.In the present embodiment, heating mechanism can be peace
The resistance wire layer of die mould face setting on swivel mount 200, towards model 300, resistance wire layer to model 300 and workpiece 10 into
Row heating, quick heating.
In a preferred embodiment of the present invention, as shown in Figure 4 and Figure 5, swivel mount 200 includes 210 setting gradually around the shaft
Several supporting elements 220, supporting element 220 is connected with the installation part 230 for installing model 300.Installation part 230 can be by resistance to height
Warm metal material is made, such as cast iron.One end of supporting element 220 and the solderable fixation of shaft 210, the other end and installation part 230
It is fixed by screw connection, and model 300, stabilized structure, reliable operation is installed on mountings.
In a preferred embodiment of the present invention, fixed mechanism includes the support rod 510 being mounted on swivel mount 200 and can turn
Lever 520 on support rod 510 is set dynamicly, and support rod 510 is radially extended along shaft 210, and lever 520 is close to model
300 one end is equipped with the fixing piece 530 for pressing the workpiece 10 placed on model 300, and one end far from model 300 is installed
There is the balance element 540 for balancing fixing piece 530.Wherein, support rod 510, lever 520, fixing piece 530 and balance element 540 are equal
It is made of refractory metal material, such as cast iron.Fixing piece 530 can hold workpiece 10 by point or face pressure, and model 300 used is not
Together, pressure holding position is also different, and the concrete shape of fixing piece 530 is not described herein, need to be formulated according to the actual conditions of die mould.This
In embodiment, support rod 510 is arranged perpendicular to shaft 210, and the shaft 210 of 510 one end of support rod and swivel mount 200 is fixed to be connected
It connects, the other end is provided with bolt, and lever 520 is set on bolt and can rotate on support rod 510 around bolt, and bolt is lever
520 fulcrum.Lever 520 includes the first noumenon 521 and the second ontology 522 from the extension of the first noumenon 521, the first noumenon 521
Positioned at the second ontology 522 top and with the second ontology 522 is at an acute angle or right angle is arranged, the first noumenon 521 is towards model 300
Die mould face is arranged and is equipped with fixing piece 530, and balance element 540 is installed on the second ontology 522.The first noumenon 521 is close to model
A side where 300, because at an acute angle between the first noumenon 521 and the second ontology 522 or right angle is arranged, then the second ontology is far from model
300.In the present embodiment, as shown in figure 4, balance element 540 is in 530 lower section of fixing piece, the weight of setting balance element 540 is greater than solid
Determine part 530.According to lever balance theory, the balance element 540 positioned at 520 one end of lever drives by its own gravity is located at lever
The fixing piece 530 of 520 other ends moves from top to bottom, so that fixing piece 530 be made to contact with workpiece 10 and the pressure holding of workpiece 10 exists
On the die mould face of model 300, pressure holding is firm.Wherein, centrifugal force suffered by balance element 540 can be with 200 revolving speed of swivel mount
Increase and increases, according to the balance of power, when swivel mount 200 reaches certain revolving speed, the disengaging workpiece 10 and no longer of fixing piece 530
Workpiece 10 is fixed, workpiece 10 leans on the centrifugal force suffered by its own and is fixed on the die mould face of model 300, facilitates other
Effective progress of process.
In a preferred embodiment of the present invention, as shown in Figure 4 and Figure 5, heating mechanism includes the hair being arranged on pedestal 100
Thermosphere 610, heating layer 610 form the heated sealed space 1 of accommodating swivel mount 200 and model 300, and the outside of heating layer 610 is set
It is equipped with thermal insulation layer 620.Heating layer 610 is made of electromagnetic coil, and electromagnetic coil is set using the rotation center of swivel mount 200 as the center of circle
It sets, the radius for the heating layer that electromagnetic coil is surrounded is greater than the radius of turn of swivel mount 200, so that swivel mount can be accommodated by being formed
200 and model 300 heated sealed space 1, sealing heating space 1 be cylindrical space.Model 300 is in sealing heating space
It can be rotated in 1 and in heated sealed space 1 with swivel mount 200, electromagnetic coil energization distributes in heat to heated sealed space 1
To be heated to model 300 and workpiece 10, in the present embodiment, workpiece 10 is heated by the way of sealing, heat radiation,
Heating speed is fast.In addition, the outside of heating layer 610 is provided with thermal insulation layer 620, the material of the preferred heat-preservation cotton of thermal insulation layer 620 is made.
Thermal insulation layer 620 enhances the heating effect in heated sealed space 1, improves work effect for keeping the temperature to heated sealed space 1
Rate.
Above is only part or preferred embodiment of the invention, therefore either text or attached drawing cannot all limit this
The range of protection is invented to be made under all designs with an entirety of the invention using description of the invention and accompanying drawing content
Equivalent structure transformation, or directly/be used in other related technical areas indirectly and be included in the scope of protection of the invention.
Claims (8)
1. a kind of centrifugal forming processing method, which comprises the steps of:
Workpiece to be formed is placed on a die mould face, and the workpiece to be formed is fixed using fixture；
The die mould face and the workpiece to be formed is driven to heat around a center axis rotation, and to the workpiece to be formed；
Stop heating the workpiece to be formed after preset time, and stop driving the die mould face and it is described at
Type workpiece rotation is to obtain shaping workpiece.
2. centrifugal forming processing method according to claim 1, which is characterized in that the driving die mould face and described
Workpiece to be formed is around a center axis rotation, and the step of heating to the workpiece to be formed includes:
Start to heat the workpiece to be formed, drives the die mould face and the workpiece rotation to be formed to the first speed
Degree, makes the fixture leave the workpiece to be formed；
The die mould face and the workpiece rotation to be formed is driven to rise to second speed from the First Speed, it will be described to be formed
Workpiece is heated to preset temperature.
3. centrifugal forming processing method according to claim 2, which is characterized in that the stopping pair after preset time
The workpiece to be formed is heated, and stops driving the die mould face and the workpiece rotation to be formed to obtain shaping workpiece
The step of include:
After driving the die mould face and the workpiece to be formed to rotate the preset time with the second speed, stop to described
Workpiece heating to be formed, and stop driving the die mould face and the workpiece rotation to be formed；
When First Speed is down to from the second speed in the die mould face and the workpiece rotation to be formed, the fixture is used
The workpiece to be formed is fixed；
The die mould face and the workpiece to be formed stop rotating, and obtain shaping workpiece.
4. centrifugal forming processing method according to claim 1, which is characterized in that stop after preset time described
The workpiece to be formed is heated, and stops driving the die mould face and the workpiece rotation to be formed to obtain molding work
After the step of part, the centrifugal forming processing method further include:
The shaping workpiece is cooled down.
5. a kind of centrifugal forming processing unit (plant), suitable for centrifugal forming processing method described in claim 1-4 any one,
It is characterized in that, including pedestal, swivel mount, model, motor, fixed mechanism and heating mechanism, in which:
The swivel mount is rotatably arranged on the base, the swivel mount include shaft and it is multiple around the shaft be distributed
Station, the model is installed on each described station, the model is used to support workpiece and provides to workpiece towards institute
State the die mould face of shaft；
The motor is located on the pedestal, and the output shaft of the motor is connect with the rotating shaft transmission；
The side of each model is provided with the fixed mechanism, and the fixed mechanism is used to for workpiece being fixed on described
On model；
The heating mechanism is for heating the workpiece on each described station.
6. centrifugal forming processing unit (plant) according to claim 5, which is characterized in that the swivel mount includes around the shaft
Several supporting elements set gradually, the supporting element are connected with the installation part for installing the model.
7. centrifugal forming processing unit (plant) according to claim 6, which is characterized in that the fixed mechanism includes being mounted on institute
The lever stating the support rod on swivel mount and being rotatably arranged on the support rod, diameter of the support rod along the shaft
To extension, the lever is equipped with the fixing piece for pressing the workpiece placed on the model close to one end of the model,
One end far from the model is equipped with the balance element for balancing the fixing piece.
8. centrifugal forming processing unit (plant) according to claim 5, which is characterized in that the heating mechanism includes being arranged in institute
The heating layer on pedestal is stated, the heating layer forms the heated sealed space of the accommodating swivel mount and the model, the hair
Thermal insulation layer is provided on the outside of thermosphere.
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| CN201910089664.2A CN109796125B (en) | 2019-01-30 | 2019-01-30 | Centrifugal forming processing method and processing device thereof |
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| CN201910089664.2A CN109796125B (en) | 2019-01-30 | 2019-01-30 | Centrifugal forming processing method and processing device thereof |
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Cited By (1)
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|---|---|---|---|---|
| CN110759633A (en) * | 2019-10-22 | 2020-02-07 | 东莞市轩驰智能科技有限公司 | Forming method and forming equipment for inverted-buckle type glass cover plate |
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| CN109796125B (en) | 2023-09-12 |
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