CN107638238A - One kind pressure holds device and pressure holds method - Google Patents
One kind pressure holds device and pressure holds method Download PDFInfo
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- CN107638238A CN107638238A CN201711021172.7A CN201711021172A CN107638238A CN 107638238 A CN107638238 A CN 107638238A CN 201711021172 A CN201711021172 A CN 201711021172A CN 107638238 A CN107638238 A CN 107638238A
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- pressure
- holds
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- hold
- liner
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Abstract
A kind of pressure provided by the invention holds device and pressure holds method, is related to technical field of medical instruments.Wherein pressure, which holds device, includes：Pressure, which holds film, first axle, the second axle, pressure and holds motor, tightening structure and at least four pressures arranged along same circumference, holds component, and at least four pressures are held component and are circumferentially circumferentially obliquely installed.Pressure holds the first liner of component and the second liner forms V-type subtended angle.The rotating shaft that pressure holds motor presses the first liner for holding component and the second liner to be all connected with each.After pressure holds one end of film and the pull side connection of tightening structure, it is surrounded on that first end pressure holds component, conventional pressure holds component successively and after the second end pressure holds the first liner of component and the outside of the second liner, with the end connection that furthers of tightening structure, and when holding component from a pressure and being surrounded to adjacent pressure and hold component, carry out surrounding transition through corresponding second axle.So, you can reach uniformly pressure and hold the technique effect that support raising pressure holds support qualification rate.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly to a kind of pressure holds device and pressure holds method.
Background technology
With the high-molecular biologic support such as the development of medicine equipment, cardiac stent, the life life of organ lesion person is being maintained
Become in work particularly significant.Support is held device pressure and held by pressure so that it is regular consistent that support pressure holds rear form, it is neat firmly, branch
Medication coat stands intact on frame, is placed in the life life that patient's body maintains patient.Existing standoff pressure holds device, liner
Deformation stacks during pressure is held, and causes Local Multilevel pressure to hold membrane stack in rack surface, causes support pressure to hold rear form uneven
Even or even overlapping, the medication coat of rack surface is destroyed, and influences the therapeutic effect of support.It can be seen that existing pressure is held device and deposited
The relatively low technical problem of the uneven support qualification rate for causing pressure to be held is held in liner pressure.
The content of the invention
The purpose of the embodiment of the present invention is to provide that a kind of pressure holds structure and pressure holds method, solves existing pressure and holds device and deposits
Liner pressure hold it is uneven cause pressure hold the relatively low technical problem of support qualification rate.
In order to achieve the above object, concrete scheme provided by the invention is as follows：
In a first aspect, the embodiments of the invention provide one kind pressure to hold device, including pressure holds film, first axle, the second axle, tension
Structure and at least four pressures arranged along same circumference hold component, and at least four pressure is held component and circumferentially circumferentially tilted
Set；
The pressure, which holds component, includes the first liner and the second liner, and the first end of first liner and same pressure hold component
The first axle is provided between the first end of interior second liner, first liner and second liner form V-type subtended angle；
At least four pressure holds component including conventional pressure holds component, first end pressure holds component and the second end pressure holds group
Part, the conventional pressure hold component and adjacent pressure hold component between be provided with second axle, the first end pressure holds group
Part and the second end pressure are provided with the tightening structure between holding component；
After one end that the pressure holds film is connected with the pull side of the tightening structure, the first end pressure is surrounded on successively
Component is held, after conventional pressure holds component and the second end pressure holds the first liner of component and the outside of the second liner, with the tension
The end connection that furthers of structure, and when holding component from a pressure and being surrounded to adjacent pressure and hold component, ring is carried out through corresponding second axle
Around transition.
Preferably, the first axle and second axle are micro- bearing, and the pressure is held film and carried out by micro- bearing
Around transition.
Preferably, the first liner that the pressure is held in component presses the second liner for holding component to be arranged in parallel with adjacent.
Preferably, it is described to press the first liner for holding component and the adjacent parallel clearance pressed between the second liner held in component
Span be：0.2 millimeter to 1 millimeter.
Preferably, the tightening structure includes the first motor and the second motor, and first motor holds film with the pressure
Initiating terminal connects, and second motor presses the clearing end for holding film to be connected with described.
Preferably, the pressure, which holds component, also includes force value sensor, and the force value sensor fits in described press and holds film and set
Put, the force value sensor presses the control terminal for holding motor to be connected with described.
Preferably, it is stainless steel alloy liner that the pressure, which holds the first liner of component and the second liner,.
Second aspect, the embodiments of the invention provide one kind pressure to hold method, applied to the pressure described in any one of first aspect
Device is held, the pressure method of holding includes：
Support is set on sacculus, the pressure is positioned over and holds in component；
Heat the pressure and hold device to the first temperature, control and described press the pressure for holding device to hold motor and hold component to the pressure to apply
Add the first active force, to control the support radially to reduce the first ratio；
Control the tightening structure to put on the pressure to hold the tensile force of film and kept for the first period；
The pressure for controlling the pressure to hold device holds motor and holds component the second active force of application to the pressure, to control the support
Radially reduce the second ratio；
Control the tightening structure to put on the pressure to hold the tensile force of film and kept for the second period；
Control the pressure hold motor will put on it is described press the active force for holding component to be reduced to the first preset value, discharge sacculus
Air pressure, take out the support.
Preferably, it is one that the pressure, which holds in component pressure and holds the quantity of film, a pressure hold film be surrounded on successively it is described
The outside of first liner and second liner；
Before step support being set on sacculus, methods described also includes：
Support is positioned over into the pressure to hold in component；
The pressure is held into component and is heated to second temperature, controls the pressure to hold motor and to the pressure hold component and apply the 3rd and makees
Firmly, to control the support radially to reduce the 3rd ratio；
Control the pressure hold motor will put on it is described press the active force for holding component to be reduced to the second preset value, described in taking-up
Support.
Preferably, the control pressure holds motor and holds component the 3rd active force of application to the pressure, to control the branch
The step of frame radial direction reduces three ratios includes：
Control the pressure to hold motor and hold component application active force to the pressure, to control the support radially to reduce 10%-
30%；
Control the pressure to hold motor adjustment and put on the active force pressed and hold component, to control support radial direction successively
Reduce 20%-40% and 10%-30%；
The control pressure holds motor and holds component the first active force of application to the pressure, to control the support radially to contract
The step of small first ratio, includes：
Control the pressure to hold motor and hold component application active force to the pressure, to control the support radially to reduce 10%-
30%：
The control pressure holds motor and holds component the second active force of application to the pressure, to control the support radially to contract
The step of small second ratio, includes：
Control it is described pressure hold motor adjustment put on it is described press hold component active force size, with control the support according to
Secondary radial direction reduces：30%-60% and 5%-20%.
Preferably, the pressure, which holds component and includes at least two pressures, holds film, and at least two pressures are held film and coordinated around entirely
Press the first liner and the second liner for holding component in portion；
The control pressure holds motor and holds component the first active force of application to the pressure, to control the support radially to contract
The step of small first ratio, includes：
Control the pressure to hold motor and hold component application active force to the pressure, to control the support radially to reduce 10%-
30%；
The control pressure holds motor and holds component the second active force of application to the pressure, to control the support radially to contract
The step of small second ratio, includes：
Control the pressure to hold motor adjustment and put on the active force pressed and hold component, to control support radial direction successively
Reduce 30%-60% and 5%-20%.
Beneficial effect：Press the pressure held device and apply the pressure to hold device to hold method the embodiments of the invention provide a kind of, press
Hold device and mainly hold component including at least four pressures that pressure holds film, pressure is held motor and is circumferentially circumferentially obliquely installed, pressure is held
The first axle that transmission pressure holds film is provided between the first liner and the second liner of component, forms V-arrangement subtended angle.Pressure is held between component
Transmission pressure is set to hold the second axle of film, the both ends that pressure holds film be connecteds with tightening structure, hold the of component around all pressing successively
The outside of one liner and the second liner.Pressure holds motor with pressing the first liner for holding component and the second liner to be all connected with, and control is all
Pressure hold component the first liner and the equal radial contraction pressure of the second liner hold, so, you can reach uniformly pressure hold support improve pressure hold
The technique effect of support qualification rate.
Brief description of the drawings
Fig. 1 is the structural representation provided in an embodiment of the present invention pressed and hold device；
Fig. 2 holds one of structural representation of device for pressure provided in an embodiment of the present invention；
Fig. 3 is that the pressure that pressure provided in an embodiment of the present invention holds device holds component radial contraction schematic diagram；
Fig. 4 is the schematic flow sheet provided in an embodiment of the present invention for pressing method of holding；
Fig. 5 is pressed the contrast schematic diagram for the front and rear deployed configuration for holding support by the pressure method of holding provided in an embodiment of the present invention；
Fig. 6 is the schematic flow sheet that another pressure provided in an embodiment of the present invention holds method；
Fig. 7 is the schematic flow sheet that another pressure provided in an embodiment of the present invention holds method.
Pressure holds device 100；
Pressure holds component 110, and first end pressure holds component 111, and the second end pressure holds component 112, and conventional pressure holds component
113, the first liner 114, the second liner 115；
Pressure holds film 120；
First axle 130；
Second axle 140；
Tightening structure 150, the first motor 151, the second motor 152, force value sensor 153；
Support 200.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Fig. 1 is referred to, Fig. 1 is the structural representation provided in an embodiment of the present invention pressed and hold device 100.The pressure holds device
100 including pressure hold film 120, first axle 130, the second axle 140, pressure hold motor, tightening structure 150 and at least four pressure hold component
110, wherein, at least four pressures are held component 110 and arranged along same circumference, and are circumferentially circumferentially obliquely installed.
At least four pressures hold component 110 and are set to the mandrel that the pressure holds device 100, the cylinder encompassed around the circumference formed
Region is set to pressure and holds chamber.The pressure holds device 100 when pressure holds operation, and support 200 is positioned over pressure and held in chamber, is held by pressure
The active force radial contraction of component 110, realize that the pressure of support 200 is held.
Each pressure that at least four pressures are held in component 110 holds component 110 and may each comprise the first liner 114 and the second liner
115, first liner 114 and second liner 115 form V-arrangement subtended angle, wherein, the acute angular areas that V-arrangement subtended angle includes is set
The inner side of component 110 is held for pressure, corresponding obtuse angle region is set to the outside that pressure holds component 110 (as shown in W in figure).Described first
Liner 114 and second liner 115 include first end and the second end being oppositely arranged, if first liner 114 is close
The first end of circumference is the first end of first liner 114, if the described one end of first liner 114 away from the circumference is institute
State the second end of the first liner 114.If second liner 115 is the first of second liner 115 close to one end of circumference
End, if the described one end of second liner 115 away from the circumference is the second end of second liner 115.
As shown in Fig. 2 being held in a pressure in component 110, first is provided between the first liner 114 and the second liner 115
Axle 130, first liner 114, the liner 115 of first axle 130 and second cooperatively form V-arrangement subtended angle so that pressure holds film 120 can be with
It is surround from the first liner 114 through first axle 130 to the second liner 115.The first end of first liner 114 and second lining
The first end of piece 115 can directly contact setting, such as the first end of first liner 114, first with the first axle 130
The first end of the liner 115 of axle 130 and second is integrally formed, or the first end of first liner 114 and second lining
The first end of piece 115 is fixedly connected with the first axle 130 so that the first end of first liner 114 and the second liner 115
First end between formation angle be fillet so that pressure hold film 120 can from the first liner 114 it is gentle be transitioned into the second liner
115, sharpness of first the 114 to the second liner of liner 115 around transition angle is reduced, pressure is avoided and holds film 120 and surrounding
Breakage rate in journey.
In said structure, the first axle 130 that pressure holds component 110 can be to be fixedly installed on first liner 114 the
Circular shaft between one end and the first end of the second liner 115, or driven micro- bearing of fixed setting, further improve pressure
Fluency when holding film 120 around transition.
The pressure that pressure holds device 100 holds the driving structure that motor holds component 110 for pressure, and driving pressure holds the radial motion of component 110
Shrink, reach the purpose that pressure holds support 200.Pressure holds the first liner 114 and the second liner that motor holds component 110 with all pressures
115 are all connected with, and directly all pressure holds the radial motion of component 110 for control so that and pressure is held the radius of a circle that component 110 encloses and reduced,
And then pressure is caused to hold the radius of chamber and reduce.The effect that the radius for pressing the pressure for holding device 100 to hold chamber reduces is illustrated in figure 3 to show
Be intended to, pressure holds motor and applies radial forces by holding component 110 to pressure so that all pressure hold the first end of component 110 to
The axle center of the circumference is drawn close so that the radius that pressure holds chamber reduces.It is arranged at the support 200 that pressure is held in chamber and is held group by pressure
The radial forces of part 110 shrink, and reach the purpose that pressure holds the contraction of support 200.
The pressure, which holds motor, directly to press the first liner 114 for holding component 110 and the second liner 115 to fix and connect with described
Connect, drive the first liner 114 and the radial motion of the second liner 115, the first liner 114 of component 110 can also be directly held with pressure
And the second first axle 130 between liner 115 is fixedly connected, the radial motion of component 110 is held in band dynamic pressure.The pressure is held motor and also may be used
Think and be arranged at the second end of the first liner 114 and/or the second end of the second liner 115 that pressure holds component 110, radially stretch
The liner 115 of first liner 114 and/or second so that first liner 114 and the radial motion of the second liner 115.
Other can realize that pressure holds described in motor control pressure and holds the connected mode of the radial motion of component 110 and may be applicable to the present embodiment,
This is not construed as limiting.
At least four pressures are held component 110 and arranged along same circular shaft, and at least four pressures are held into component 110 and divided to be normal
Rule pressure holds component 113 and end pressure holds component.End pressure, which is held when the component curling film disengaging pressure holds device 100, is passed through
Pressure holds component, can will press and hold film 120 and enter fashionable end pressure and hold component 110 and be set to first end pressure to hold component 111, pressure is held
End pressure when film 120 stretches out, which holds component and is set to the second end pressure, holds component 112.The first end pressure holds component 111 and
Two ends pressure sets tightening structure 150 between holding component 112, and the pressure for holding device 100 into the pressure for tensing holds the two of film 120
End.
It will be arranged in that the first end pressure holds component 111 and the second end pressure holds the pressure between component 112 and holds group
Part 110 is set to 113.Each described 113 and adjacent pressure hold component 110 between be provided with the second axle 140 so that pressure holds film
120 can be held component 110 and be transitioned into adjacent pressure and hold component 110 by the second axle 140 from a pressure.Film 120 is held in view of pressure
Component 111 is held from first end pressure and holds device 100 into the pressure, is surrounded on each pressure successively and is held after component 110 from the second end
Pressure, which holds component 112 and stretches out the pressure, holds device 100, and pressure holds film 120 need to only hold transition between component 110, nothing in 113 and adjacent pressure
It in first end pressure need to hold component 111 and the second end pressure holds between component 112 directly transition rings around therefore only each 113
The second axle 140 is set between holding component 110 with adjacent pressure, the first end pressure holds component 111 and the second end pressure
Second axle 140 can be not provided between component 112 by holding.
It is described pressure hold film 120 be surrounded on it is each press hold component 110 the first liner 114 and the second liner 115 outside patch
Close, form all pressures and hold the encirclement structure that the circular pressure of component 110 holds chamber, holding the support 200 in chamber with pressure is bonded, and protects
The medication coat on shield support 200 surface is not destroyed uniformly.In order to reach the effect that preferably protection pressure is held, the pressure holds film
The thin polymer film that 120 can be preferably non-sticky, tension force is big and toughness is strong, its polymerizable material can be：Poly- terephthaldehyde
Sour glycol ester (Polyethylene terephthalate, abbreviation PET), polyethylene (polyethylene, abbreviation PE), gather
Propylene (polypropylene, abbreviation PP), polytetrafluoroethylene (PTFE) (Polytetrafluoroethylene, abbreviation PTFE) etc..Pressure
The Thickness for holding film 120 can be 0.1 millimeter to 0.5 millimeter so that pressure, which holds film 120, can bear larger tensile force, again
Do not influence the radial motion that pressure holds component 110.
It is one whole membrane structure that pressure, which holds film 120, including initiating terminal and clearing end, presses the initiating terminal and clearing end for holding film 120
It is connected with tightening structure 150, controls the pressure to hold film 120 by the tightening structure 150 and be tensioned.Specifically, the pressure holds film
After 120 initiating terminal is connected with the pull side of the tightening structure 150, the first of component 111 is held around first end pressure successively
The liner 115 of liner 114 and second, each 113 the first liner 114 and the second liner 115 and the second end pressure hold component 112
Be connected after first liner 114 and the second liner 115 with the pull side of tightening structure 150, realize pressure hold circular the fitting of film 120 with
Tensioning.
On the basis of above-described embodiment, film 120 is held between adjacent pressure holds component 110 around transition in order to improve pressure
Fluency, it can preferably press and hold the first liner 114 in component 110 and press the second liner 115 for holding component 110 is parallel to set with adjacent
Put, with cause conventional pressure to hold component 113 and adjacent pressure to hold the receiving gap between component be parallel clearance.Pressure holds film 120
After the first end for the liner for holding component 110 along the pressure of parallel clearance side extends to the end of liner second, via the clearance space
Corresponding second axle 140 turns back the parallel clearance, and the second end that the liner of component 110 is held along adjacent another pressure extends to this
The first end of liner.It is 0.2 millimeter to 1 millimeter to be preferably provided with adjacent pressure and hold the span of parallel clearance between component 110,
Pressure is allowd to hold film 120 and moved in parallel clearance, and the pressure that will not increase parallel clearance both sides holds rubbing between film 120
Wipe, will not also increase that pressure holds film 120 and pressure holds friction between the liner of component 110, improve the fluency that pressure holds the motion of film 120.
In other embodiments, the friction held between film and liner is pressed further to reduce, can also be served as a contrast in the first liner and second
The surface coating low-friction coating of piece, the surface coating low-friction coating that film contact with liner preferably is held in pressure, is served as a contrast with reducing
The coefficient of friction on piece surface, increase pressure hold film and the smooth degree moved in component are held in pressure.The low-friction coating can be existing
The face coat of conventional reduction friction, is not limited herein.
On the basis of above-described embodiment, in order to preferably control pressure to hold the tensioning of film 120, preferably tense the pressure and hold film
120 tightening structure 150 is motor, and the end that rotating shaft and the pressure of controlled motor hold film 120 is connected, and passes through the axis of rotation of motor
Control pressure holds the tensioning and relaxation of film 120.Pressure to make holds tensile force suffered by film 120 and is uniformly not easy to break, and selection tenses pressure and held
The number of motors of film 120 is two, is set to the first motor 151 and the second motor 152, control first motor 151 with it is described
Pressure holds the initiating terminal connection of film 120, and second motor 152 presses the clearing end for holding film 120 to be connected with described.First motor
151 and second motor 152 simultaneously apply active force tense motor so that pressure hold the both ends uniform force of film 120, pressure can be improved
Hold the tensile force of film 120 and be not easy to break.
On the basis of above-described embodiment, in order to further control the active force for tensing pressure and holding film 120, it is preferably provided with being bonded
The force value sensor 153 of film 120 is held in pressure, the active force held suffered by film 120 is pressed for detecting.Force value sensor 153 is with tensing
The control terminal connection of structure 150, according to default control algolithm so that the tightening structure 150 is adopted according to force value sensor 153
The force value of collection, control put on the size that pressure holds the active force of film 120.The active force gathered by force value sensor 153
Value control tenses the active force that pressure holds film 120, can further improve pressure and hold control accuracy.In addition, force value sensor 153 may be used also
Be connected with holding the control terminal of motor with pressure, the active force according to suffered by pressure holds film 120, control pressure to hold motor and act on pressure and hold component
110 active force, improve pressure and hold the compactness that component 110 holds film 120 with pressure, further improve pressure and hold effect.
On the basis of above-described embodiment, it is contemplated that the tensile force that pressure holds film 120 is limited, and a pressure holds film 120 around patch
Closing all pressures, when holding component 110, the tensile force that pressure holds film 120 is smaller, and it is smaller to hold degree for pressure every time.Therefore can be with preferably at least two
Group pressure holds film 120, and every group of pressure holds film 120 and configure a tightening structure 150 and force value sensor 153, and every group of pressure is held film 120 and be responsible for
The part pressure that all pressure is held in component 110 holds component 110, and at least two groups of pressures hold film 120 and its supporting tightening structure 150 and force value
Sensor 153 coordinates holds the liner of component 110 around all pressures.Every group of pressure holds the quantity that the circular pressure of film 120 holds component 110
Reduce, therefore larger tensile force can be born, the ratio that pressure every time holds operation can be increased, simplify pressure and hold flow.
On the basis of above-described embodiment, it is contemplated that pressure, which holds the first liner 114 of component 110 and the second liner 115, to be made
Compression is needed to hold motor control radial motion during, pressure holds support 200, therefore the preferably hardness of liner material is more than and pressed
The material hardness for the support 200 held.The selection of liner material has preferable wearability and thermal conductivity so that pressure is held component 110 and existed
Long-term pressure, which is held, keeps preferably wear-resisting state and heat resistance in operation, extend the service life that pressure holds device 100.The pressure holds dress
Hard metal material, such as stainless steel alloy liner can be selected by putting 100 the first liner 114, and effect is held to reach preferably pressure
Fruit and longer service life.
On the basis of above-described embodiment, it is contemplated that the direct size of different support is different, required to press the pressure for holding device
Chamber diameter size difference is held, therefore selects to press the quantity for holding component also different.Pressure is held in device 100, and pressure, which holds component 110, to be needed
It is evenly distributed along the periphery, pressure is held uneven when avoiding the pressure from holding support 200, and the pressure holds the quantity that pressure in device 100 holds component 110
For at least four.If desired it is the support of the minor diameters such as coronary artery bracket, Nerve Scaffold to press the support 200 held, then can select to press
The a fairly large number of pressure for holding component 110 holds device 100, such as pressure holds component 110 more than 6.If desired the support 200 held is pressed to be
The support of the major diameters such as esophageal stents, aortic stents, then it can select to press the pressure for the negligible amounts for holding component 110 to hold device
100, for example, set pressure hold component 110 quantity be 4 to 6.
The pressure that the embodiments of the present invention provide holds device 100, and it presses the process for holding support 200 to include：By support
200 are set on sacculus, and the support 200 being set on sacculus is placed into and presses the pressure for holding device 100 to hold in chamber.Described in heating
Pressure holds device 100 to preset temperature, and control tightening structure 150, which to pressure holds film 120 and applies active force control pressure and hold film 120, to be tensioned.
Control pressure holds motor and applies the pressure grip that pressure holds component 110 so that support 200 radially reduces certain proportion.And pressure is controlled to hold film
120 tensile force simultaneously keeps preset period of time.Adjustment pressure holds the pressure grip of motor, and control support 200 radially reduces certain ratio successively
Example.Certain air pressure is applied to sacculus, and controls pressure to hold the tensile force of film 120 and keeps preset period of time.Continue to control support 200 radially
Reduce until target proportion, reduces the tensile force that pressure holds film 120, release sacculus air pressure, take out support 200, you can obtain pressure and hold
Qualified support afterwards.
The pressure that the embodiments of the present invention provide holds device, including at least four pressures being circumferentially circumferentially obliquely installed
Component is held, pressure is held and the first axle that transmission pressure holds film is provided between the first liner of component and the second liner, forms V-arrangement subtended angle.
Pressure holds the second axle for setting transmission pressure to hold film between component, and the both ends that pressure holds film are connected with tightening structure, successively around all
Pressure holds the first liner of component and the outside of the second liner.Pressure holds motor with pressing the first liner for holding component and the second liner to connect
Connect, control and all press the first liner for holding component and the equal radial contraction pressure of the second liner to hold, so, you can reach uniformly pressure and hold branch
Frame improves the technique effect that pressure holds support qualification rate.
Fig. 4 is referred to, Fig. 4 is the schematic flow sheet provided in an embodiment of the present invention for pressing method of holding.The embodiment of the present invention carries
The pressure of confession holds method and holds device applied to the pressure that above-described embodiment provides, and its pressure, which holds process, mainly to be included：
Step 401, support is set on sacculus, is positioned over the pressure and holds in component.
When needing to carry out pressure to support to hold operation, the support of reset condition is set on sacculus, and sacculus will be set in
On support be positioned over described press and hold the pressure of component and hold in chamber.The tightening structure application pressure can also be first controlled to hold film certain
Pretightning force, with control it is described pressure hold film tensioning, avoid produce fold.
Step 402, the heating pressure hold device to the first temperature, and the pressure for controlling the pressure to hold device holds motor to the pressure
Hold component and apply the first active force, to control the support radially to reduce the first ratio.
The pressure of Inner standpipe is held into device heating, is heated to the first temperature, applying pressure to the support holds operation.Support is
High molecular polymer, therefore it can be glass transition temperature that can set first temperature, as high molecular polymer is by high-elastic
Sex reversal is the temperature of glassy state, refers to transformation of the amorphous polymer from glassy state to elastomeric state or from elastomeric state to glass platform
Temperature, it is the minimum temperature of amorphous polymer macromolecular chain segment free movement, commonly uses Tg and represent.For different high molecular polymerizations
Thing support, first temperature can take to should high molecular polymer support glass transition temperature.It is heated to corresponding to support
Glass transition temperature, support can be controlled to carry out radial contraction in State Transferring temperature.The mode for being heated to the first temperature can have
It is a variety of, including the mode of heating such as electrical heating, blowing hot-air or infrared thermal radiation.
The control terminal of electric control gear provided in an embodiment of the present invention can be connected with computer, by default in computer
Control program controls the operation of electric control gear.The pressure that the computer control pressure holds device holds motor and holds component application to the pressure
First active force, to control the support radially to reduce the first ratio.The active force and the pressure that motor can be held according to pressure are held
The corresponding relation of torque is produced during the suffered active force of component, and the first ratio of support radial direction diminution corresponds to the pressure and holds component
Radial effect torque, calculate it is described pressure hold component application the first active force, and control pressure hold motor apply this first effect
Power is held on component in pressure.
Step 403, the control tightening structure put on the pressure and hold the tensile force of film and kept for the first period.
After controlling the support to reduce the first ratio according to above-mentioned steps, control the tightening structure to put on the pressure and hold
The tensile force of film, and kept for the first period.The tightening structure puts on the size of the tensile force pressed and hold film, can basis
The force value of the corresponding output of force value selection of force value sensor collection, so that pressure holds film and is preferably bonded pressure and holds component
Liner carries out the support pressure effect of holding.
The pressure that step 404, the control pressure hold device holds motor and holds component the second active force of application to the pressure, with control
The support radially reduces the second ratio.
The size for pressing the pressure for holding device to hold motor adjustment output action power is controlled, holding component to the pressure applies second
Active force, to cause the support radially to reduce the second ratio.The selection of second active force can according to the second ratio
Corresponding relation determine, be not limited thereto.
Step 405, the control tightening structure put on the pressure and hold the tensile force of film and kept for the second period.
After controlling the support to reduce the second ratio according to above-mentioned steps, control tightening structure tenses the pressure and holds film, and
It will act on tensile force the second period of holding that pressure holds film.
Step 406, the control pressure, which hold motor and will put on described press, holds the active force of component and is reduced to the first preset value,
Sacculus air pressure is discharged, takes out the support.
After causing the support radially to reduce the first ratio and the second ratio successively according to above-mentioned steps, support taking-up is carried out
Operation.First control the pressure hold motor will put on it is described press the active force for holding component to be reduced to the first preset value, and discharge and apply
The air pressure of sacculus is added on, the support after holding will be pressed to take out, the pressure for as completing support holds operation.First preset value is less than the
The value of two active forces, zero, or the value equal to the first pretightning force can be taken.The active force that control pressure is held after terminating is reduced to pre-
Clamp force is horizontal, and can effectively prevent causes pressure to hold film when active force from directly unloading occurs elastic deformation damage support.Preferably, may be used
Active force is unloaded until active force is offloaded to zero, described first with First Speed to control the pressure to hold the active force of motor application
Speed can be 0.1N/S to 1N/S.Other can control the mode of the lossless taking-up of support to may be applicable to the present embodiment, herein not
Limit.It is illustrated in figure 5 and holds the contrast that the support pressure that method pressure is held holds preceding developed surface and pressure holds rear developed surface using above-mentioned pressure
Schematic diagram, support pressure uniformly reduce after holding.
The pressure that the embodiments of the present invention provide holds method, and the pressure of application, which holds device, to be included along the arrangement of same circumference at least
Four pressures hold component, circumferentially axially inclined setting, and holding motor control by pressure, all pressure is held component radial contraction and propped up
Frame pressure is held.Support is set on sacculus and is placed into pressure and holds component, is heated near glass transition temperature, motor is held by adjusting pressure
The active force that pressure holds component is put on, control support radially reduces certain proportion, until reaching shrinking of object ratio, is successively
Support pressure is completed to hold.The pressure provided by the present embodiment holds method, and control support uniformly holds by pressure, improve support pressure hold it is qualified
Power.The specific implementation process provided in an embodiment of the present invention for pressing method of holding can be found in the tool that the pressure that above-described embodiment provides holds device
Body implementation process, this is no longer going to repeat them.
Fig. 6 is referred to, the schematic flow sheet of method is held for another pressure provided in an embodiment of the present invention.The present embodiment provides
Pressure hold method and hold device applied to the pressure that above-described embodiment provides, the pressure that selection pressure is held in device holds the quantity of film to be a set of,
The outside at the second end that one casing pressure holds the first liner that film holds component via the first end pressure enters, and fits in successively described
After first end pressure holds first end and the second liner of the first liner of component, component is held via the second axle adjacent pressure of turning back
Second end of the first liner, it is looped through successively after multiple conventional pressures hold the first liner and the second liner of component and reaches the second end
Portion's pressure is stretched out after holding component, is connected with tightening structure, you can parcel all presses the first liner and the second liner for holding component.This reality
The pressure for applying example holds method the pressure of film is held applied to single casing pressure and holds device, and the endurance that pressure holds film is relatively uniform smaller, suitable for pre-
Two steps of final pressure press hold again after pressure.The pressure that the present embodiment provides, which holds method, mainly to be included：
Step 601, by support be positioned over it is described pressure hold in component.
Single casing pressure is held into film parcel presses the whole pressures for holding device to hold the first liner and the second liner of component, and support is placed
The pressure that component encloses is held in whole pressures that the pressure is held in device to hold in chamber.Control tightening structure application acts on pressure and holds film one
Fixed pretightning force, pressure is held film tensioning, prevent pressure from holding film and folding the fold for causing rack surface coating.
Step 602, the heating pressure hold device to second temperature, control the pressure to hold motor and hold component to the pressure and apply
3rd active force, to control the support radially to reduce the 3rd ratio.
The pressure after support will be placed hold device and be heated to second temperature, control pressure, which holds motor and holds component to the pressure, applies the
Three active forces, to control under second temperature environment, support radially reduces.Specifically, the pressure can be first controlled to hold motor to institute
State pressure and hold component application active force, to control the support radially to reduce 10%-30%.Adjust the pressure and hold motor adjustment application
The active force of component is held in the pressure, to control the support radially to reduce 20%-40% and 10%-30% successively.
Step 603, the control pressure, which hold motor and will put on described press, holds the active force of component and is reduced to the second preset value,
Take out the support.
After controlling the support to be radially contracted to target proportion successively according to above-mentioned steps, carry out support and take out operation.Adjust
The whole pressure, which holds motor and puts on described press, holds the active force of component and is reduced to the second preset value, takes out the support.Described
Two preset values can be the active force numerical value during being held less than pressure, can also take zero.It is preferred that it is pressure by second preset value
Pretightning force when operation starts is held, pressure is placed and holds film elastic deformation damage support.
Step 604, support is set on sacculus, is positioned over the pressure and holds in component.
The pre-compaction process of support is completed according to above-mentioned steps, continues executing with the final pressure operation of support.Support is set in ball
After on capsule, it is placed into and presses the pressure for holding device to hold in component.
Step 605, the heating pressure hold device to the first temperature, and the pressure for controlling the pressure to hold device holds motor to the pressure
Hold component and apply the first active force, to control the support radially to reduce the first ratio.
Turn to prepare after pressure holds device according to above-mentioned steps, the pressure is held into device and is heated to the first temperature, to control support
The radial contraction under first temperature environment.First temperature can be preferably glass transition temperature corresponding to support.Control institute
State pressure and hold the pressure of device and hold motor and hold component to the pressure and apply the first active force, to control the support radially to reduce the first ratio
Example.Its specific implementation process can include：Control the pressure to hold motor and hold component application active force to the pressure, with described in control
Support radially reduces 10%-30%.
Step 606, the control pressure hold motor and hold component the second active force of application to the pressure, to control the support footpath
To reducing the second ratio.
The force value pressed and hold motor output is adjusted, controls the pressure to hold motor and holds motor application second to the pressure
Active force, to control the support radially to reduce the second ratio.The specific implementation process of above-mentioned steps can include：
Control it is described pressure hold motor adjustment put on it is described press hold component active force size, with control the support according to
Secondary radial direction reduces：30%-60% and 5%-20%.
Step 607, the control tightening structure put on the pressure and hold the tensile force of film and kept for the second period.
After controlling the support to reduce corresponding proportion according to above-mentioned steps, control tightening structure puts on the tensioning that pressure holds film
Power, kept for the second period so that the bracket stable is in current ratio.
Step 608, the control pressure, which hold motor and will put on described press, holds the active force of component and is reduced to the first preset value,
Sacculus air pressure is discharged, takes out the support.
Completed according to above-mentioned steps after pressing the pre- press operation for holding support and final pressure operation, perform the taking-up operation of support.Adjust
Seamless, which holds motor and puts on pressure and hold the active force of component, is reduced to the first preset value, discharges sacculus air pressure, takes out the support.Take
The specific implementation process for going out support can be found in above-described embodiment, repeat no more.
Pressure provided in an embodiment of the present invention holds method, and the pressure applied holds device and only holds film parcel all pressures using a casing pressure
The pressure for holding component holds piece, by the way that two step pressures of final pressure hold operation and complete the pressure of the support and hold again after precompressed.The embodiment of the present invention
The specific implementation process that the pressure of offer holds method can be found in above-described embodiment, and this is no longer going to repeat them.
Fig. 7 is referred to, the schematic flow sheet of method is held for another pressure provided in an embodiment of the present invention.The present embodiment provides
Pressure hold method and hold device applied to the pressure that above-described embodiment provides, the quantity that the pressure that selection pressure is held in device holds film is at least two
Set, at least two casing pressures hold film and coordinate the first liner and the second liner that component is held around the whole pressures for fitting in the pressure and holding device.
Every casing pressure holds film and holds liner around sticking part partial pressure, and at least two casing pressures hold the first lining that component is held in film combination around the whole pressures of fitting
Piece and the second liner.Every casing pressure of the present embodiment holds film only parcel partial pressure and holds component so that pressure hold film can bear it is larger
Tensile force, therefore can use and directly press the single step held to press hold to realize that support pressure is held.
Step 701, support is set on sacculus, is positioned over the pressure and holds in component.
It directly will directly be set on sacculus, be positioned over the pressure and hold in component.Heating pressure holds component to glass transition temperature,
Control tightening structure holds film to pressure and applies certain pretightning force, so that pressure, which holds film tensioning, prevents fold.Pressure holds the tool of device and support
Body assembling process may refer to the assembling process of above-described embodiment, repeat no more.
Step 702, the control pressure hold motor and hold component application active force to the pressure, to control the support radially to contract
Small 10%-30%.
Assembled according to above-mentioned steps after pressure holds device, control pressure, which holds motor and holds component to the pressure, applies active force, reaches
To the purpose for controlling the support radially to reduce 10%-30%.
Step 703, the control tightening structure put on the pressure and hold the tensile force of film and kept for the first period.
Computer controls tightening structure to hold film application certain tensioning to the pressure, and maintains for the first period, so that described
Bracket stable is in current ratio.
Step 704, the control pressure hold motor adjustment and put on the active force pressed and hold component, to control the support
30%-60% and 5%-20% is radially reduced successively.
Adjust the pressure and hold motor and put on pressure and hold the active force of component, first control the support radially to reduce 30%-
60%.The active force that the pressure holds motor output is adjusted again, and control support radially reduces 5%-20% again.
Step 705, the control tightening structure put on the pressure and hold the tensile force of film and kept for the second period.
Controlling tightening structure to apply again presses the tensile force control pressure for holding film to hold film tensioning, and is kept for the second period, so that institute
Bracket stable is stated in current diminution ratio.
Step 706, the control pressure, which hold motor and will put on described press, holds the active force of component and is reduced to the first preset value,
Sacculus air pressure is discharged, takes out the support.
According to above-mentioned steps complete support main pressure hold operation after, control it is described pressure hold motor act on it is described pressure hold group
The active force of part is reduced to the first preset value, progressively discharges pressure and holds component to prevent that pressure from holding film Texturized.Sacculus air pressure is discharged, is taken
Go out support.
The pressure that the embodiments of the present invention provide holds method, and the pressure applied holds device and coordinates parcel all using more mantles
Pressure holds the pressure of component and holds piece, and film is held per casing pressure, and to bear active force larger, can direct step pressure hold control support radial contraction extremely
Target proportion.The pressure that the specific implementation process that pressure provided in an embodiment of the present invention holds method can be found in above-described embodiment offer holds dress
The specific implementation process put, this is no longer going to repeat them.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (11)
1. one kind pressure holds device, it is characterised in that holds film, first axle, the second axle, tightening structure and along same circumferential row including pressure
At least four pressures of cloth hold component, and at least four pressure is held component and is circumferentially circumferentially obliquely installed；
The pressure, which holds component, includes the first liner and the second liner, and the first end of first liner and same press hold in component the
The first axle is provided between the first end of two liners, first liner and second liner form V-type subtended angle；
At least four pressure, which holds component, includes that conventional pressure holds component, first end pressure holds component and the second end pressure holds component,
The conventional pressure holds component and adjacent pressure is held and second axle is provided between component, the first end pressure hold component with
The second end pressure is provided with the tightening structure between holding component；
After one end that the pressure holds film is connected with the pull side of the tightening structure, the first end pressure is surrounded on successively and holds group
Part, conventional pressure hold component and after the second end pressure hold the first liner of component and the outside of the second liner, with the tightening structure
Pull side connection, and when holding component from a pressure and being surrounded to adjacent pressure and hold component, through corresponding second axle surround
Cross.
2. pressure according to claim 1 holds device, it is characterised in that the first axle and second axle are micro- axle
Hold, the pressure holds film and carries out surrounding transition by micro- bearing.
3. pressure according to claim 1 holds device, it is characterised in that the pressure holds the first liner and adjacent pressure in component
The second liner for holding component be arranged in parallel.
4. pressure according to claim 3 holds device, it is characterised in that described to press the first liner for holding component and adjacent pressure to hold
The span of the parallel clearance between the second liner in component is：0.2 millimeter to 1 millimeter.
5. pressure according to claim 1 holds device, it is characterised in that the tightening structure includes the first motor and the second electricity
Machine, first motor press the initiating terminal for holding film to be connected with described, and second motor presses the clearing end for holding film to be connected with described.
6. pressure according to claim 5 holds device, it is characterised in that the pressure, which holds device, also includes force value sensor, institute
State force value sensor and fit in the pressure and hold film setting, the force value sensor is connected with the control terminal of the tightening structure.
7. pressure according to claim 1 holds device, it is characterised in that described to press the first liner and the second liner for holding component
It is stainless steel alloy liner.
8. one kind pressure holds method, it is characterised in that device is held applied to the pressure as any one of claim 1 to 7, it is described
The pressure method of holding includes：
Support is set on sacculus, the pressure is positioned over and holds in component；
Heat the pressure and hold device to the first temperature, control and described press the pressure for holding device to hold motor and hold component to the pressure to apply the
One active force, to control the support radially to reduce the first ratio；
Control the tightening structure to put on the pressure to hold the tensile force of film and kept for the first period；
The pressure for controlling the pressure to hold device holds motor and holds component the second active force of application to the pressure, to control the support radially
Reduce the second ratio；
Control the tightening structure to put on the pressure to hold the tensile force of film and kept for the second period；
Control the pressure hold motor will put on it is described press the active force for holding component to be reduced to the first preset value, discharge sacculus gas
Pressure, takes out the support, wherein, first preset value is less than first force value and second force value.
9. pressure according to claim 8 holds method, it is characterised in that it is one that the pressure, which is held and the quantity for holding film is pressed in component,
, a pressure holds the outside that film is surrounded on first liner and second liner successively；
Before step support being set on sacculus, methods described also includes：
Support is positioned over into the pressure to hold in component；
The pressure is held into component and is heated to second temperature, controls the pressure to hold motor and holds the effect of component application the 3rd to the pressure
Power, to control the support radially to reduce the 3rd ratio；
Control the pressure to hold motor and will put on described press to hold the active force of component and be reduced to the second preset value, take out the branch
Frame.
10. pressure according to claim 9 holds method, it is characterised in that the control pressure is held motor and held to the pressure
Component applies the 3rd active force, to include the step of controlling the support radially to reduce three ratios：
Control the pressure to hold motor and hold component application active force to the pressure, to control the support radially to reduce 10%-30%；
Control the pressure to hold motor adjustment and put on the active force pressed and hold component, to control the support radially to reduce successively
20%-40% and 10%-30%；
The control pressure, which holds motor and holds component to the pressure, applies the first active force, to control the support radially to reduce the
The step of one ratio, includes：
Control the pressure to hold motor and hold component application active force to the pressure, to control the support radially to reduce 10%-30%：
The control pressure, which holds motor and holds component to the pressure, applies the second active force, to control the support radially to reduce the
The step of two ratios, includes：
Control the pressure to hold motor adjustment and put on the active force pressed and hold component, to control the support radially to contract successively
It is small：30%-60% and 5%-20%.
11. pressure according to claim 8 holds method, it is characterised in that the pressure, which holds component and includes at least two pressures, holds
Film, at least two pressures hold film and coordinate the first liner and the second liner that component is held around whole pressures；
The control pressure, which holds motor and holds component to the pressure, applies the first active force, to control the support radially to reduce the
The step of one ratio, includes：
Control the pressure to hold motor and hold component application active force to the pressure, to control the support radially to reduce 10%-30%；
The control pressure, which holds motor and holds component to the pressure, applies the second active force, to control the support radially to reduce the
The step of two ratios, includes：
Control the pressure to hold motor adjustment and put on the active force pressed and hold component, to control the support radially to reduce successively
30%-60% and 5%-20%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021172.7A CN107638238B (en) | 2017-10-27 | 2017-10-27 | Pressing and holding device and pressing and holding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711021172.7A CN107638238B (en) | 2017-10-27 | 2017-10-27 | Pressing and holding device and pressing and holding method |
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| CN107638238B CN107638238B (en) | 2023-12-19 |
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|---|---|
| CN107638238B (en) | 2023-12-19 |
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