CN105491699A - Rolling device for heat conduction pipe type thermal-sensitive ceramic heating element - Google Patents
Rolling device for heat conduction pipe type thermal-sensitive ceramic heating element Download PDFInfo
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- CN105491699A CN105491699A CN201510974370.XA CN201510974370A CN105491699A CN 105491699 A CN105491699 A CN 105491699A CN 201510974370 A CN201510974370 A CN 201510974370A CN 105491699 A CN105491699 A CN 105491699A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/52—Apparatus or processes for filling or compressing insulating material in tubes
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Abstract
The invention discloses a rolling device for a heat conduction pipe type thermal-sensitive ceramic heating element. The rolling device comprises at least three groups of rolling wheels; the pressing planes of each group of rolling wheels are in contact with the heat conduction plane of the heat conduction pipe; each group of rolling wheels are arranged in an up-down symmetrical manner, and are provided with an adjusting or controlling apparatus used for adjusting pressure and displacement of the center distance of the group of rolling wheels; the adjusting or controlling apparatus comprises but not limited to a spring, an air pressure part or a hydraulic part; the pressure/displacement of the rolling wheels are adjusted by setting a dial gauge capable of observing the relative distance between the rolling surfaces of each group of rolling wheels, and a pressure gage for displaying fine tuning pressure, so that the purpose of uniformly applying force on the heating surface of the heating element is achieved. The invention also provides a positioning tool without causing displacements of an electrified lead-out terminal, an insulating layer and a ceramic sheet in the heat conduction pipe, a guide width-limiting apparatus and a material-discharge leveling apparatus. According to the rolling device, the electrical safety of the product is improved, the consistency, reliability and production efficiency are greatly improved, and the manufacturing cost of the product is greatly lowered.
Description
Technical field
The present invention relates to a kind of roll unit, be specifically related to a kind of roll unit of heat pipe type thermal sensitive ceramics heater.
Background technology
Generally by by the thermal sensitive ceramics fever tablet that clamps between two electrode slices, at electrode slice Surface coating, the heat generating core of dielectric film penetrates heat pipe and forms existing thermal sensitive ceramics heater again.Owing to penetrating between the heat generating core coated by dielectric film after heat pipe and the inwall of heat pipe and all having larger gap between the inner each part of heat generating core, need by biography, the heat-conducting effect that just can reach between heat generating core and heat pipe to heat pipe pressurization and combine closely between the inner each part of heat generating core.Existing press device generally adopts following three kinds of modes:
1: the pressed form thermal conductive surface of thermal sensitive ceramics heater being adopted to flat die, hydraulic pressure, air pressure.
Adopt this kind of mode can ensure to suppress the length of rear heater and the extension consistency of Width and the insulation distance be coated between the dielectric film of the heat generating core head in heat pipe and heat pipe head not to be subjected to displacement, but due to the ceramic heating plate having multi-disc to be arranged in parallel in heater heat pipe, the error that the thickness of technique sheet has 0.05mm not wait, and there is larger fragility, plane pressurization cannot ensure the close contact of whole fever tablet and heat pipe inwall, in addition, pressure too conference causes the cracked of ceramic heating element, the too little meeting of pressure causes ceramic heating plate and electrode slice, loose contact between heat pipe, bring the heater poor thermal efficiency after compacting, electrically connect bad generation arcing, the defect that fail safe cannot ensure, in addition, production efficiency is also very low.
2: as described in CN201410047088, adopt the method compacting of roll extrusion heat pipe heat-conducting planar two side.
What this technology adopted is pressurize to two sides of heat pipe, thus play each part location in pipe, prevent the effect that gets loose, due to the heat-conducting planar of the heat pipe function without uniform pressurization, thus also just cannot ensure whole reliable contacts of fever tablet in heat pipe and thermal conductive surface, farthest cannot play the heat efficiency.
3: adopt by suppressing the standard thickness of rear heater to limit the relative distance between whole rolling wheel, then the method compacting of roll extrusion heat pipe heat-conducting planar.
Although adopt this rolling depression method to improve production efficiency, but because the wall thickness of heat pipe and the electrode slice of heat pipe inside and the thickness of dielectric film all have error, particularly ceramic heating element is the arrangement of multi-disc parallel connection in heat generating core inside, the thickness of every sheet fever tablet has again the tolerance of about 0.05mm, the roll unit defining heater thickness just solution cannot reach evenly to suppress the heat pipe of heater and suppresses pressing result closely with each rolling surface, farthest cannot play the heat efficiency of heater.In addition, owing to all having gap between the inwall of heat pipe and the heat generating core placing therein, because heat pipe is to the extension of Width while compacting, certainly will cause suppressing the irregular distortion of rear heat generating core broad ways, in addition the horizontal stress produced to Width extensional due to heater in compacting and the press power of each press face cannot be finely tuned, the heater after suppressing is caused to produce width inconsistent, the horizontal twisting of broad ways and along the arc of thermal conductive surface direction and warpage, the dielectric film in heat pipe is caused to sustain damage and reduce the security performance of product thus, the defects such as the heat efficiency reduction of product, finally bring Product Safety, the hidden danger that reliability reduces.
In addition, aging and the displacement of the wearing and tearing that existing roll unit can not produce press face in rolling wheel Long-Time Service process and drive disk assembly and spacing part (as spring) is controlled and is finely tuned, address these problems and professional also can only be leaned on to debug by hand by rule of thumb, thus also cannot ensure the consistency of equipment, the precision of bulk article, efficiency and qualification rate are affected.
Because the thermal sensitive ceramics heater after compacting requires that the insulation distance between the dielectric film of the heat generating core head be coated in heat pipe and heat pipe head must ensure conforming safety creepage distance and identical technique adjustment distance.Adopt the method that prior art roll extrusion described above is suppressed, in the process that rolling wheel is suppressed heat pipe because of in heat pipe by the coated electrode slice of dielectric film, install active force between gap and same group of rolling wheel and reaction force and press power uneven between rolling wheel and heat pipe greatlyr between the heat generating core of the live parts such as fever tablet and heat pipe, very easily occur when roll extrusion by the uncontrollable critical defect of displacement between the coated heat generating core of dielectric film and heat pipe inwall, creepage (insulation) between the dielectric film charged exit head having caused electrified body thus coated and the head of heat pipe is apart from uncontrollable, the two spacing is less than the safety creepage distance of 3mm, the conductive electrode film be coated in dielectric film just likely and between the heat conduction mouth of pipe produces creepage sparking or short circuit, thus cause the electric leakage on heat pipe surface, charged, the great electrical safety accident such as short circuit or hidden danger, the two spacing is excessive, the installation of the thermal sensitive ceramics heating element product be made up of heater and fin and location dimension can be affected again greatly and bring larger spillage of material and product size consistency adverse consequences out of control.
Summary of the invention
Goal of the invention: the object of the invention is to solve the cracked of the fever tablet that existing heat pipe type thermal sensitive ceramics heater very easily produces when suppressing, the problem electrically connecting the defect such as function aspects such as the restriction heat efficiency and reliability etc. such as bad between fever tablet and electrode slice, heat pipe.By positioning tool, solve prior art to the safety creepage (insulation) between the dielectric film head of coated electrified body and the head of heat pipe with technology controlling and process distance cannot reliably control, consistency, fail safe, reliability are difficult to a series of critical defects of ensureing.By the guiding limit for width conveying device of design on removably working plate, solve the torsional deformation of broad ways after the compacting of heat pipe type heater.By discharging apparatus for leveling, solve arc, the warpage of the heater after compacting along thermal conductive surface thickness direction.Pass through the invention, the final heat efficiency of heat pipe type heater in volume production that comprehensively, perfectly solves promotes and the integrity problem of electrical property, overcomes prior art and in pressing process, causes the dielectric film in heat pipe to sustain damage and outward appearance, many defects in fail safe.In addition, the present invention also compensate for the defect cannot stablizing the functional aspects such as the thrust different with convenient adjustment each group of pinch roller and relative distance that prior art exists, and greatly improves the consistency of the efficiency of product batch production and product, repeatability, reliability and qualification rate.
Technical scheme: the invention provides following technical scheme: a kind of roll unit of heat pipe type thermal sensitive ceramics heater, comprise workbench, transmission device and rolling device, described workbench is provided with working plate, working plate comprises guiding limit for width conveying device and discharging apparatus for leveling, described transmission device comprises motor, speed governing and driver part, described rolling device comprises the rolling wheel that at least three groups are suppressed for the thermal conductive surface up and down of the heat pipe to described thermal sensitive ceramics heater, described rolling wheel of often organizing at least is connected with a described transmission device, the described press face often organizing rolling wheel is symmetrical arranged up and down, correspond to often to organize in rolling wheel and have a micromatic setting be provided with for adjusting centre-to-centre spacing between this group rolling wheel at least.
As optimization, described micromatic setting comprises the compression spring of regulation and control rolling wheel upper and lower displacement, by the manual adjustment to described compression spring, makes the centre-to-centre spacing of this group rolling wheel adjustable controlled.
As optimization, described micromatic setting comprises can by the adjustment of this group rolling wheel centre-to-centre spacing apart from visual graduation apparatus/display instrument.
As optimization, described micromatic setting comprises the air pressure parts being adjusted this group rolling wheel centre-to-centre spacing by air pressure, and described air pressure parts comprise the atmospheric pressure table of cylinder, pushing ram and display fine setting pressure.
As optimization, described micromatic setting comprises the hydraulic unit being adjusted this group rolling wheel centre-to-centre spacing by hydraulic coupling, and described hydraulic unit comprises the hydraulic gage of oil cylinder, pushing ram and display fine setting pressure.
As optimization, the working plate of described workbench also comprises the positioning tool that the comparatively safe distance between the mouth of pipe to the charged exit of electrode slice in heat pipe and heat pipe, dielectric film positions, described positioning tool comprises decompressor and positioner, and described decompressor is by connected cylinder/cam driven.
As optimization, described positioner comprises the spacing counterdie placing the described heat pipe mouth of pipe and exit part, described decompressor has a salient point/tongue face having and is no less than one group of symmetry with spacing counterdie at least on the working face contacted with the heat pipe thermal conductive surface be stamped, range difference between the centre-to-centre spacing of this group salient point/tongue and the width of described heat pipe mouth of pipe place heat-conducting planar is 0.2-4.0mm, the height that described salient point/tongue protrudes working face is 0.01-2mm, by the relative motion of decompressor and spacing lower intermode, reach part and object that is spacing and location in fixing heat pipe.
As optimization, described positioning tool comprises the pressing mold holding the described heat pipe mouth of pipe and the positioning chamber of exit part and the thermal conductive surface uniform pressurization to described heat pipe mouth of pipe exit part, and the width of described positioning chamber exceeds the width 0-3mm of described heat pipe exit part thermal conductive surface.
A kind of working plate of workbench of roll unit of heat pipe type thermal sensitive ceramics heater, described working plate there is the rectangular enclosure holding corresponding each group rolling wheel rolling surface, described working plate also has the guiding limit for width conveying device of the heat pipe of thermal sensitive ceramics heater, can mode for convenience detach fix between described working plate and the workbench of roll unit.
As optimization, described this group guiding limit for width conveying device corresponds to the alternate position spike having 0 ~ 3mm between the spacing of heat pipe thermal conductive surface Width and the thermal conductive surface width of the heat pipe of described thermal sensitive ceramics heater.
As optimization, described guiding limit for width conveying device by rise limit and after offsetting roll extrusion heater broad ways extend and be out of shape, in the horizontal direction the conveying directive wheel of distortion action form, described conveying directive wheel is distributed in two sides of input and output station along described heat pipe Width, the contacts side surfaces of each group of conveying periphery of directive wheel and the thermal conductive surface along its length of described heat pipe, described conveying directive wheel is no less than one group.
As optimization, the centre-to-centre spacing of described each group of conveying directive wheel is equal, the centre-to-centre spacing error having 0 ~ 3mm of described each group of conveying directive wheel external diameter.
As optimization, the external diameter of described each group of conveying directive wheel is equal, has the centre-to-centre spacing error of 0 ~ 3mm between the centre of location distance of described each group of conveying directive wheel.
As optimization, have at least the circumferential surface of one group of directive wheel to have outer convex hub body in described conveying directive wheel, the external diameter of described arc hub body exceeds the external diameter 0.01-3mm of described conveying directive wheel.
As optimization, described guiding limit for width conveying device comprises two guide rails be fixed on described working plate, and described guide rail corresponds to the alternate position spike having 0 ~ 3mm between the spacing of heat pipe thermal conductive surface Width and the thermal conductive surface width of the heat pipe of described thermal sensitive ceramics heater.
As optimization, the caliper portion of described guide rail has cavity, be provided with in described cavity and be no less than one group and rising of symmetrical location limit and heater broad ways extends and the conveying directive wheel composition of distortion, in the horizontal direction distortion action after offsetting roll extrusion, to the alternate position spike having 0 ~ 3mm between the thermal conductive surface width should organizing the heat pipe carrying the nearest spacing between directive wheel excircle and described thermal sensitive ceramics heater.
A kind of discharging apparatus for leveling of working plate of workbench of roll unit of heat pipe type thermal sensitive ceramics heater, described discharging apparatus for leveling comprise be positioned at this group rolling wheel side of discharge end for repairing along the leveling pinch roller of thermal conductive surface direction warpage and heat pipe positioning tool after described heater roll extrusion, described leveling pinch roller contacts with the heating face of the heat pipe after roll extrusion.
As optimization, the leveling pinch roller of described discharging apparatus for leveling comprises pressure-adjusting spring, described pressure-adjusting spring is positioned at the upper end of leveling pinch roller power transmission shaft depression bar, described depression bar there is the compressing member of adjustment spring pressure distance, the power transmission shaft of described leveling pinch roller is driven by the transmission device of described roll unit driver part, and described leveling pinch roller is no less than one group.
Operation principle of the present invention is: by the design thickness of aluminum pipe heater, first debug on a small quantity, method is: regulate compression spring, by the manual adjustment to compression spring pressing plate, make the centre-to-centre spacing of each group of rolling wheel adjustable controlled, prevent the pine of tension/excessively cause the pressure break of fever tablet or and heat pipe heat conduction meet personally larger fit clearance.First, heat conduction orifice plane thermal sensitive ceramics heater being comprised electrode leads to client is placed on positioning tool, be positioned at the extraction electrode to heat conduction mouth of pipe internal heat generation body, insulating barrier, insulating process sheet expose position by fail safe creepage distance requirement pressurization location, prevent the displacement produced in roll extrusion.Suppress successively between the upper the lower pressure wheel again heat pipe comprising thermal sensitive ceramics heater being pushed first group of rolling wheel, in pressing process, carry out synchronously spacing by each group of conveying directive wheel/guide rail being positioned at heat pipe two side to the width of heater after compacting, again under the promotion of each group of rolling wheel, roll extrusion limit, the limit reach realizing thermal sensitive ceramics heater exports.Heater can by the spring of regulation and control pinch roller, atmospheric pressure or the comparison gauge pressure providing hydraulic pressure micromatic setting in reach output procedure simultaneously, by fine setting hydraulic coupling make the pressure of each group of rolling wheel and spacing adjustable, make rolling process more level and smooth, the fever tablet of the rear heater inside of compacting is not cracked and tight with the heat-conducting planar combination of heat pipe, reaches the power of heater and the goal of the invention that consistency is more excellent, comprehensive electrochemical properties is more stable and qualification rate is higher that insulate.By examining the head of a small amount of debug products, volume production is carried out again according to after the reading of the most rational parameter determination Pressure gauge/graduation apparatus, namely after this just can directly according to the reading of setting, carry out stable batch production and without the need to the pressure of adjustment spring/pneumatic/hydraulic repeatedly again in pressing process.
Beneficial effect: the present invention compared with prior art:
1, because the heat-conducting aluminium pipe inside of heater penetrates by the gap after the coated electrode slice of dielectric film and heat generating ceramic sheet between heat generating core and aluminum pipe only less than 1mm, the pinch roller of prior art cannot be finely tuned, certainly will produce pressure uneven, compacting after heater thickness inconsistent, the hidden danger such as damage are caused to the dielectric film of inside, thus cause occurring between the heat generating core of aluminum pipe inside and thermal conductive surface in conjunction with uneven, reduce the heat efficiency, the series of defect such as defective insulation increase and rate of finished products reduction.The present invention adopts the mode slowly can finely tuning each group of pinch roller pressure respectively to control to suppress the thickness of rear product, be equipped with scale, air gauge or the hydraulic gage display pressure that can intuitively finely tune and observe relative spacing between this group pinch roller intuitively, play prior art to be beyond one's reach positive invention effect and creationary practical function, reach handled easily and control and guarantee to produce conforming good effect in batches.
2, the graduation apparatus/air gauge/hydralic pressure gauge display instrument that intuitively can show the displacement of rolling wheel spacing is also comprised by described control device, solve prior art and cannot show pressure or displacement, thus cause inside in conjunction with inaccurate, the heat efficiency is low, cause because pressure is uneven that power is inconsistent, the high defect of defective insulation rate, thus greatly improve consistency and the security reliability of product batch production.
3, the roll extrusion mode of the symmetrical rolling wheel of many groups is adopted, both handled easily controlled, also solve prior art because of the thickness of the wall thickness of metal heat-conducting tube, fever tablet thickness, electrode slice, dielectric film can not be consistent, consequent accumulation tolerance causes inside in conjunction with inaccurate, the partially thick ceramic heating plate easily defect such as damaged and the uneven defect of consequent pressure in whole pressing process.Overcome prior art ubiquitous: the too pine of pressure, close owing to not pressing tightly, the secondary potential safety hazards such as heat transfer efficiency is low and produce sparking, power fade is fast, the heat efficiency is low, press too tight, cause fever tablet cracked, thus puncture dielectric film, cause that the dielectric strength of product is low, defective insulation increases, cause because fever tablet is damaged reducing power and cracked fever tablet body live part very easily causes short circuit, punctures the significant safety hidden danger of bombing.
4, at least three group rolling wheels are adopted to improve consistency, the security reliability of batch production.4, adopting first to the device that the accessory being positioned at heat pipe mouth of pipe position positions, to solve in the process because suppress heat pipe at rolling wheel owing to installing active force between gap and same group of rolling wheel and reaction force greatlyr between the heat generating core of the coated live part such as electrode slice, fever tablet and heat pipe by dielectric film in heat pipe, between rolling wheel and heat pipe press power uneven and cause very easily in roll extrusion time the coated heat generating core of generation dielectric film and heat pipe inwall between the uncontrollable critical defect of displacement.Reach the dielectric film, heat pipe head insulation technique sheet and the safe insulation between charged electrode slice and surface metal heat pipe that ensure to be coated on heat generating core head in heat pipe apart from conforming goal of the invention.The heater of first locating through positioning tool has reliable and that consistency is good safety creepage distance after pressing between live part and non-live part, stopped to be coated on to produce between conductive electrode film in dielectric film and the heat conduction mouth of pipe creepage, strike sparks or the proof security flaw of short circuit, thus stopped great electrical safety accident or the hidden danger such as the electric leakage on heat pipe surface, charged, short circuit.
5, prior art or do not have the centre-to-centre spacing of the conveying directive wheel of limit for width and impetus or each group conveying directive wheel just the same, makes the width of heat generating core broaden and irregularities because heater will inevitably produce heater after roll extrusion along the extension of heat-conducting planar Width.Wide centre-to-centre spacing is by ensureing the consistent of width to two sides of heater after roll extrusion are spacing, will inevitably extrude heat-conducting aluminium pipe side while spacing to heater two side causes the people that aluminum pipe internal cavities thickness occurs for broadening, and brings the secondary hidden danger of bonding gap.Under same power condition, just need multiplex heat generating ceramic sheet to ensure to meet power requirement.Each group is taked to carry the discrepant invention of directive wheel centre-to-centre spacing, the principle of suppressing rear heat pipe stand out can be caused according to the pressure differential of each group of pinch roller, by each group conveying directive wheel center distance regulation to this group pinch roller roll extrusion after the immediate position of heater width, thus the side of heater is not subject to artificial extruding after ensure that roll extrusion, conveying directive wheel also just only plays the effect of guiding and does not produce the secondary hidden danger of extrusion side.Bring thus the heater inside of guaranteeing after each group of pinch roller is suppressed heat generating ceramic sheet can and the surface conjunction of heat pipe accurate, coordinate goal of the invention integrally, the power having played heat generating ceramic greatly, the invention effect such as the heat efficiency that improve fever tablet.Experimentally data validation, adopts the comparable prior art of this technology to use the heat generating ceramic sheet of more than 20% less, reaches handled easily and controls, enhances productivity, reduces production cost and guarantee to produce conforming creative effect in batches.
6, by being positioned at the apparatus for leveling of the output of described roll unit transmission device, the pinch roller of described apparatus for leveling contacts with the heating plane of heater after roll extrusion, described pinch roller is no less than one group and each group pinch roller all can finely tune flattening pressure, reach the straight effect of the heater no elastic deformation after compacting, effectively prevent heater to the vertical curve/arcuate deformation of through-thickness.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is planar structure schematic diagram of the present invention;
Fig. 3 is the working plate schematic diagram of employing guide rail of the present invention;
Fig. 4 is the working plate structural representation of employing export orientation of the present invention wheel;
Fig. 5 is the structural representation of driving directive wheel of the present invention clamping heat pipe;
Fig. 6 is the structural representation of positioning tool of the present invention;
Fig. 7 is the structural representation of discharging apparatus for leveling of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Embodiment 1
A kind of roll unit of heat pipe type thermal sensitive ceramics heater, comprise workbench 1, transmission device and rolling device, described workbench 1 is provided with working plate 2, working plate 2 comprises guiding limit for width conveying device and discharging apparatus for leveling, described transmission device comprises motor 3, speed governing and driver part (not shown), described rolling device comprises three groups of rolling wheels 4 suppressed for the thermal conductive surface up and down of the heat pipe to described thermal sensitive ceramics heater, described rolling wheel 4 of often organizing at least is connected with a described transmission device, the described press face often organizing rolling wheel 4 is symmetrical arranged up and down, correspond to often to organize in rolling wheel 4 and have a micromatic setting be provided with for adjusting this group rolling wheel 4 centre-to-centre spacing at least.
Described micromatic setting comprises the compression spring 5 of regulation and control rolling wheel 4 upper and lower displacement, by the manual adjustment to described compression spring 5, makes the centre-to-centre spacing of this group rolling wheel 4 adjustable controlled.
Described micromatic setting comprises can by the adjustment of this group rolling wheel 4 centre-to-centre spacing apart from visual graduation apparatus 6/ display instrument.
Described micromatic setting comprises the air pressure parts 7 being adjusted this group rolling wheel 4 centre-to-centre spacing by air pressure, and described air pressure parts 7 comprise the atmospheric pressure table 8 of cylinder 10, pushing ram and display fine setting pressure.
Air pressure parts in described micromatic setting can be replaced by hydraulic unit (not shown), and described hydraulic unit comprises the hydraulic gage of oil cylinder, pushing ram and display fine setting pressure.
The working plate 2 of described workbench 1 also comprises the positioning tool that the comparatively safe distance between the mouth of pipe to the charged exit of electrode slice in heat pipe and heat pipe, dielectric film positions, described positioning tool comprises decompressor 9 and positioner, and described decompressor 9 is by connected cylinder 10/ cam driven.
As optimization, described positioner comprises the spacing counterdie 11 of to be stamped described in placement the heat pipe mouth of pipe and exit part, described decompressor 9 has the salient point/tongue 12 face having and is no less than one group of symmetry with spacing counterdie 11 at least on the working face contacted with the heat pipe thermal conductive surface be stamped, range difference between the centre-to-centre spacing of this group salient point/tongue 12 and the width of described heat pipe mouth of pipe place heat-conducting planar is 0.2-4.0mm, the height that described salient point/tongue 12 protrudes working face is 0.01-2mm, by the relative motion between decompressor 9 and spacing counterdie 11, reach part and object that is spacing and location in fixing heat pipe.Before described positioning tool is arranged at entrance station.
Described positioning tool comprises the pressing mold holding the described heat pipe mouth of pipe and the positioning chamber of exit part and the thermal conductive surface uniform pressurization to described heat pipe mouth of pipe exit part, and the width of described positioning chamber exceeds the width 0-3mm of described heat pipe exit part thermal conductive surface.
Embodiment 2
A kind of working plate 2 of workbench 1 of roll unit of heat pipe type thermal sensitive ceramics heater, described working plate 2 there is the rectangular enclosure 13 holding corresponding each group rolling wheel rolling surface, described working plate 2 also has the guiding limit for width conveying device of the heat pipe of thermal sensitive ceramics heater, can mode for convenience detach fix between described working plate 2 and the workbench 1 of roll unit.
Described this group guiding limit for width conveying device corresponds to the alternate position spike having 0 ~ 3mm between the spacing of heat pipe thermal conductive surface Width and the thermal conductive surface width of the heat pipe of described thermal sensitive ceramics heater.
Described guiding limit for width conveying device by rise limit and after offsetting roll extrusion heater broad ways extend and be out of shape, in the horizontal direction the conveying directive wheel 14 of distortion action form, described conveying directive wheel 14 is distributed in two sides of input and output station along described heat pipe Width, the contacts side surfaces of each group of conveying periphery of directive wheel 14 and the thermal conductive surface along its length of described heat pipe, described conveying directive wheel is no less than one group.
The centre-to-centre spacing of described each group of conveying directive wheel 14 is equal, the centre-to-centre spacing error having 0 ~ 3mm of described each group of conveying directive wheel 14 external diameter.
The external diameter of described each group of conveying directive wheel 14 is equal, has the centre-to-centre spacing error of 0 ~ 3mm between the centre of location distance of described each group of conveying directive wheel 14.
Have at least the circumferential surface of one group of directive wheel to have outer convex hub body 15 in described conveying directive wheel 14, the external diameter of described arc hub body exceeds the external diameter 0.01-3mm of described conveying directive wheel.
Embodiment 3
A kind of working plate 2 of workbench 1 of roll unit of heat pipe type thermal sensitive ceramics heater, described working plate 2 there is the rectangular enclosure 13 holding corresponding each group rolling wheel rolling surface, described working plate 2 also has the guiding limit for width conveying device of the heat pipe of thermal sensitive ceramics heater, can mode for convenience detach fix between described working plate 2 and the workbench 1 of roll unit.
Described this group guiding limit for width conveying device corresponds to the alternate position spike having 0 ~ 3mm between the spacing of heat pipe thermal conductive surface Width and the thermal conductive surface width of the heat pipe of described thermal sensitive ceramics heater.
Described guiding limit for width conveying device comprises two guide rails 16 be fixed on described working plate, and described guide rail 16 corresponds to the alternate position spike having 0 ~ 3mm between the spacing of heat pipe thermal conductive surface Width and the thermal conductive surface width of the heat pipe of described thermal sensitive ceramics heater.
The caliper portion of described guide rail 16 has cavity, be provided with in described cavity and be no less than one group and rising of symmetrical location limit and heater broad ways extends and distortion, in the horizontal direction the conveying directive wheel 14 of distortion action form after offsetting roll extrusion, to the alternate position spike having 0 ~ 3mm between the thermal conductive surface width should organizing the heat pipe carrying the nearest spacing between directive wheel 14 excircle and described thermal sensitive ceramics heater.
Embodiment 4
A kind of discharging apparatus for leveling of working plate of workbench of roll unit of heat pipe type thermal sensitive ceramics heater, described discharging apparatus for leveling comprise be positioned at this group rolling wheel side of discharge end for repairing along the leveling pinch roller 17 of thermal conductive surface direction warpage and heat pipe positioning tool after described heater roll extrusion, described leveling pinch roller contacts with the heating face of heat pipe after roll extrusion.Described discharging apparatus for leveling can be directly installed on workbench, but also separable with working plate, and comparatively preferred scheme is designed to one.
The leveling pinch roller 17 of described discharging apparatus for leveling comprises pressure-adjusting spring 18, described pressure-adjusting spring is positioned at the upper end of leveling pinch roller power transmission shaft depression bar, described depression bar there is the compressing member of adjustment spring pressure distance, the power transmission shaft of described leveling pinch roller is driven by the transmission device of described roll unit driver part, and described leveling pinch roller is no less than one group.After discharging apparatus for leveling is arranged at outlet station.The existence of compressing member is equivalent to the designs such as the external knob of adjustment pressure-adjusting spring deformation coefficient.
Embodiment 5
By the design thickness of aluminum pipe heater, first debug on a small quantity, method is: regulate compression spring 5, by the manual adjustment to compression spring 5 pressing plate, make the centre-to-centre spacing of each group of rolling wheel 4 adjustable controlled, prevent the pine of tension/excessively cause the pressure break of fever tablet or and heat pipe heat conduction meet personally larger fit clearance.First, heat conduction orifice plane thermal sensitive ceramics heater being comprised electrode leads to client is placed on positioning tool, be positioned at the extraction electrode to heat conduction mouth of pipe internal heat generation body, insulating barrier, insulating process sheet expose position by fail safe creepage distance requirement pressurization location, prevent the displacement produced in roll extrusion.Suppress successively between the upper the lower pressure wheel again heat pipe comprising thermal sensitive ceramics heater being pushed first group of rolling wheel 4, in pressing process, carry out synchronously spacing by each group of conveying directive wheel 14/ guide rail 16 being positioned at heat pipe two side to the width of heater after compacting, again under the promotion of each group of rolling wheel, roll extrusion limit, the limit reach realizing thermal sensitive ceramics heater exports.Heater can by the compression spring 5 of regulation and control pinch roller, atmospheric pressure or the comparison gauge pressure providing hydraulic pressure micromatic setting in reach output procedure simultaneously, by fine setting hydraulic coupling make the pressure of each group of rolling wheel and spacing adjustable, make rolling process more level and smooth, the fever tablet of the rear heater inside of compacting is not cracked and tight with the heat-conducting planar combination of heat pipe, reaches the power of heater and the goal of the invention that consistency is more excellent, comprehensive electrochemical properties is more stable and qualification rate is higher that insulate.By examining the head of a small amount of debug products, volume production is carried out again according to after the reading of the most rational parameter determination Pressure gauge/graduation apparatus, namely after this just can directly according to the reading of setting, carry out stable batch production and without the need to the pressure of adjustment spring/pneumatic/hydraulic repeatedly again in pressing process.
Claims (18)
1. the roll unit of a heat pipe type thermal sensitive ceramics heater, it is characterized in that: comprise workbench, transmission device and rolling device, described workbench is provided with working plate, working plate comprises guiding limit for width conveying device and discharging apparatus for leveling, described transmission device comprises motor, speed governing and driver part, described rolling device comprises the rolling wheel that at least three groups are suppressed for the thermal conductive surface up and down of the heat pipe to described thermal sensitive ceramics heater, described rolling wheel of often organizing at least is connected with a described transmission device, the described press face often organizing rolling wheel is symmetrical arranged up and down, correspond to often to organize in rolling wheel and have a micromatic setting be provided with for adjusting centre-to-centre spacing between this group rolling wheel at least.
2. the roll unit of heat pipe type thermal sensitive ceramics heater according to claim 1, is characterized in that: described micromatic setting comprises the compression spring of regulation and control rolling wheel upper and lower displacement, makes the centre-to-centre spacing of this group rolling wheel adjustable controlled.
3. the roll unit of heat pipe type thermal sensitive ceramics heater according to claim 1, is characterized in that: described micromatic setting comprises can by the adjustment of this group rolling wheel centre-to-centre spacing apart from visual graduation apparatus/display instrument.
4. the roll unit of heat pipe type thermal sensitive ceramics heater according to claim 1, it is characterized in that: described micromatic setting comprises the air pressure parts being adjusted this group rolling wheel centre-to-centre spacing by air pressure, described air pressure parts comprise the atmospheric pressure table of cylinder, pushing ram and display fine setting pressure.
5. the roll unit of heat pipe type thermal sensitive ceramics heater according to claim 1, it is characterized in that: described micromatic setting comprises the hydraulic unit being adjusted this group rolling wheel centre-to-centre spacing by hydraulic coupling, described hydraulic unit comprises the hydraulic gage of oil cylinder, pushing ram and display fine setting pressure.
6. the roll unit of heat pipe type thermal sensitive ceramics heater according to claim 1, it is characterized in that: the working plate of described workbench also comprises the positioning tool that the comparatively safe distance between the mouth of pipe to the charged exit of electrode slice in heat pipe and heat pipe, dielectric film positions, and described positioning tool comprises decompressor and positioner.
7. the roll unit of thermal sensitive ceramics heater according to claim 6, it is characterized in that: described positioner comprises the spacing counterdie for placing the described heat pipe mouth of pipe and exit part, described decompressor has a salient point/tongue face having and is no less than one group of symmetry with spacing counterdie at least on the working face contacted with the heat pipe thermal conductive surface be stamped, range difference between the centre-to-centre spacing of this group salient point/tongue and the width of described heat pipe mouth of pipe place heat-conducting planar is 0.2-4.0mm, the height that described salient point/tongue protrudes working face is 0.01-2mm, by the relative motion of decompressor and spacing lower intermode, reach object that is spacing to the part of heat pipe exit part interior and location.
8. the roll unit of thermal sensitive ceramics heater according to claim 6, it is characterized in that: described positioning tool comprises the pressing mold holding the described heat pipe mouth of pipe and the positioning chamber of exit part and the thermal conductive surface uniform pressurization to described heat pipe mouth of pipe exit part, and the width of described positioning chamber exceeds the width 0-3mm of described heat pipe exit part thermal conductive surface.
9. the working plate of the workbench of the roll unit of a heat pipe type thermal sensitive ceramics heater, it is characterized in that: described working plate has the rectangular enclosure holding corresponding each group rolling wheel rolling surface, described working plate also has the guiding limit for width conveying device of the heat pipe of thermal sensitive ceramics heater.
10. the working plate of the workbench of the roll unit of heat pipe type thermal sensitive ceramics heater according to claim 9, is characterized in that: described this group guiding limit for width conveying device corresponds to the alternate position spike having 0 ~ 3mm between the spacing of heat pipe thermal conductive surface Width and the thermal conductive surface width of the heat pipe of described thermal sensitive ceramics heater.
The working plate of the workbench of the roll unit of 11. heat pipe type thermal sensitive ceramics heaters according to claim 9, it is characterized in that: described guiding limit for width conveying device by rise limit and after offsetting roll extrusion heater broad ways extend and be out of shape, in the horizontal direction the conveying directive wheel of distortion action form, described conveying directive wheel is distributed in two sides of input and output station along described heat pipe Width, the contacts side surfaces of each group of conveying periphery of directive wheel and the thermal conductive surface along its length of described heat pipe, described conveying directive wheel is no less than one group.
The working plate of the workbench of the roll unit of 12. heat pipe type thermal sensitive ceramics heaters according to claim 11, it is characterized in that: the centre-to-centre spacing of described each group of conveying directive wheel is equal, the distance difference 0 ~ 3mm between the external diameter of described each group of conveying directive wheel.
The working plate of the workbench of the roll unit of 13. heat pipe type thermal sensitive ceramics heaters according to claim 11, it is characterized in that: the external diameter of described each group of conveying directive wheel is equal, the distance difference 0 ~ 3mm between the centre of location distance of described each group of conveying directive wheel.
The working plate of the workbench of the roll unit of 14. heat pipe type thermal sensitive ceramics heaters according to claim 11, it is characterized in that: have at least the circumferential surface of one group of directive wheel to have outer convex hub body in described conveying directive wheel, the external diameter of described arc hub body exceeds the external diameter 0.01-3mm of described conveying directive wheel.
The working plate of the roll unit workbench of 15. heat pipe type thermal sensitive ceramics heaters according to claim 11, it is characterized in that: described guiding limit for width conveying device comprises two guide rails be fixed on described working plate, described guide rail corresponds to width 0 ~ 3mm that the spacing of heat pipe thermal conductive surface Width exceeds the thermal conductive surface of the heat pipe of described thermal sensitive ceramics heater.
The working plate of the workbench of the roll unit of 16. heat pipe type thermal sensitive ceramics heaters according to claim 15, it is characterized in that: the caliper portion of described guide rail has the cavity of open at one end, be provided with in described cavity and be no less than one group and rising of symmetrical location limit and heater broad ways extends and the conveying directive wheel of distortion, in the horizontal direction distortion action after offsetting roll extrusion, to the large 0 ~ 3mm of width of thermal conductive surface of heat pipe that should organize thermal sensitive ceramics heater described in the nearest gap ratio carried between directive wheel excircle.
The discharging apparatus for leveling of the working plate of the workbench of the roll unit of 17. 1 kinds of heat pipe type thermal sensitive ceramics heaters, it is characterized in that: described discharging apparatus for leveling comprise be positioned at this group rolling wheel side of discharge end for repairing the leveling pinch roller along thermal conductive surface direction warpage after described heater roll extrusion, described leveling pinch roller contacts with the heating facial plane of the heat pipe after roll extrusion.
The discharging apparatus for leveling of the working plate of the workbench of the roll unit of 18. heat pipe type thermal sensitive ceramics heaters according to claim 17, it is characterized in that: the leveling pinch roller of described discharging apparatus for leveling comprises pressure-adjusting spring, described pressure-adjusting spring is positioned at the upper end of leveling pinch roller power transmission shaft depression bar, described depression bar there is the compressing member of adjustment spring pressure distance, the power transmission shaft of described leveling pinch roller is driven by the transmission device of described roll unit driver part, and described leveling pinch roller is no less than one group.
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| CN201510974370.XA CN105491699B (en) | 2015-12-21 | 2015-12-21 | A kind of roll unit of heat pipe type thermal sensitive ceramics heater |
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| CN201510974370.XA CN105491699B (en) | 2015-12-21 | 2015-12-21 | A kind of roll unit of heat pipe type thermal sensitive ceramics heater |
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| CN106079035A (en) * | 2016-06-21 | 2016-11-09 | 新昌县七星街道明盛模具厂 | A kind of PTC thermal sensitive ceramics fever tablet stamping machine |
| CN109246865A (en) * | 2018-08-21 | 2019-01-18 | 无锡国威陶瓷电器有限公司 | A kind of PTC heater part |
| CN109587851A (en) * | 2018-08-21 | 2019-04-05 | 无锡国威陶瓷电器有限公司 | A kind of PTC heater part and combinations thereof part |
| CN109622667A (en) * | 2019-01-04 | 2019-04-16 | 芜湖恒美电热器具有限公司 | Heat generating core roll squeezer |
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| CN105491699B (en) | 2019-08-09 |
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Address after: 234000 Shun he road, Longcheng Town, Xiaoxian, Suzhou, Anhui Applicant after: Suzhou Guowei thermosensitive New Material Co., Ltd. Address before: 234000 Shun he road, Longcheng Town, Xiaoxian, Suzhou, Anhui Applicant before: SUZHOU GUOWEI CERAMIC ELECTRIC CO., LTD. |
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Denomination of invention: Rolling device for heat conduction pipe type thermal-sensitive ceramic heating element Effective date of registration: 20200713 Granted publication date: 20190809 Pledgee: Suzhou SME financing Company limited by guarantee Pledgor: SUZHOU GUOWEI TEMPERATURE-SENSITIVE NEW MATERIAL Co.,Ltd. Registration number: Y2020340000033 |
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