CN204527709U - The coating unit of cylindrical workpiece outsourcing flexible insulant material - Google Patents
The coating unit of cylindrical workpiece outsourcing flexible insulant material Download PDFInfo
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- CN204527709U CN204527709U CN201520128316.9U CN201520128316U CN204527709U CN 204527709 U CN204527709 U CN 204527709U CN 201520128316 U CN201520128316 U CN 201520128316U CN 204527709 U CN204527709 U CN 204527709U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a kind of coating unit of cylindrical workpiece outsourcing flexible insulant material, comprises a support, support is fixed with variable frequency reducer motor, moving guide rail, piece-holder and swing type mechanism.Its principle of work is adopt the mode of adhesive tape spiral winding to be shaped by flexible insulant material, adhesive tape is wrapped on coating unit and carries out, by the stroke up and down of rolling wheel on adjustment kit coating device and the output torque of adhesive tape damping output wheel, realize the control to flexible insulant material oad.The stability of flexible insulant material oad can be ensured by the method, realize the accurate control of the oad of flexible insulant material goods.
Description
Technical field:
The utility model belongs to thermal protection technology field, particularly relates to a kind of coating unit of flexible insulant material, is specially the coating unit of cylindric combustion chamber flexible insulant material.
Background technology:
Punching engine operationally; temperatures as high 2000 ~ the 2300K of outer wall of combustion chamber; in order to protect the electronic machine of engine metal housing and periphery thereof; the loose consumption simultaneously reducing heat and the obvious infrared signal feature brought thereof; outer wall of combustion chamber needs to take solar heat protection measure; the mode of the coated high-temperature flexible thermal insulation material of current employing carries out thermal protection, and the metal shell inside that the cylindric combustion chamber of coated high-temperature flexible thermal insulation material needs cover to install to cylindrical shape is assembled.
Because cylindric chamber length is at 1 ~ 2 meter, this cover process of assembling in just very high requirement is proposed to the oad of flexible insulant material, require nominal diameter at 400 ~ 500mm time, dimensional discrepancy is ± 0.3mm.Again because flexible insulant material itself has larger compressibility and rebound resilience, its oad itself cannot accurately put in place, the accurate sizing that must realize flexible insulant material by means of external constraint.The flexible insulant material method for shaping of existing cylindrical workpiece mainly contains two kinds, and a kind of is do not have housing outside workpiece and not high to the oad accuracy requirement of thermal insulation material, normally adopts inorganic fibre adhesive tape, rope or cloth to carry out being fastened and shaping.Another has housing outside workpiece, and workpiece and housing are again to gap filling thermal insulation material between the two after being first pre-installed, and the final outer hull that relies on is shaped.And for above-mentioned situation of the combustion chamber of coated flexible insulant material and housing being carried out assemble, the sizing precision how realizing flexible insulant material there is no relevant coating unit at present.
Utility model content:
In order to solve the sizing of the outer flexible insulant material of cylindric combustion chamber, we provide a kind of coating unit of cylindrical workpieces outsourcing flexible insulant material, to solve flexible material to form accurate dimension sizing outward problem at cylindrical element.Wherein adopt adhesive tape on the basis in conjunction with workpiece rotary motion and self straight-line motion by the method for this coating unit sizing cylindrical workpieces outsourcing flexible insulant material, parcel sizing is carried out to flexible material, the spectacle case coating device adopted can control the oad precision of flexible material goods, meets cover reload request.
The coating unit of a kind of cylindrical workpiece outsourcing flexible insulant material that the utility model provides on the one hand, to control the dimensional accuracy of flexible insulant material goods.Described coating unit comprises a support, support is fixed with variable frequency reducer motor, moving guide rail, piece-holder and swing type mechanism; The output shaft of described variable frequency reducer motor is connected with leading screw, described leading screw is equipped with Mobile base, described Mobile base is slidably installed on described moving guide rail simultaneously, described Mobile base is provided with the adhesive tape feeding mechanism for adhesive tape being wrapped in surface of the work and roller actuating unit, described roller actuating unit drives the rolling wheel connecting and be used for being pressed into by adhesive tape between workpiece and rolling wheel, and described rolling wheel is pressed on surface of the work; The output shaft of described variable frequency reducer motor is connected with piece-holder and swing type mechanism by gear cluster simultaneously, and described piece-holder is in piece-holder and swing type mechanism.
Described adhesive tape feeding mechanism includes magnetorheological rotary damper, belt pulley, and described magnetorheological rotary damper drives and connects belt pulley, and described belt pulley is socketed adhesive tape, and the end of described adhesive tape is bonded in surface of the work.
The described position of roller actuating unit on Mobile base is adjustable.
Described piece-holder and swing type mechanism are arranged on the both ends of described workpiece; Described gear cluster is socketed on the gyrostat of described piece-holder and swing type mechanism.
Described piece-holder and swing type mechanism comprise a four paws chuck that can connect propclip, handwheel and gear.
Described piece-holder and swing type mechanism are type hand or power type.
Described piece-holder and swing type mechanism are the type hand performed by handwheel.
Described piece-holder and swing type mechanism are the power type performed by gear cluster by variable frequency reducer motor.
Also comprise one and be wound around the displacement pickup of rear adhesive tape apart from workpiece axle center distance, after institute's displacement sensors is placed in rolling wheel for measuring.
The coating unit of the flexible insulant material that the utility model provides is the principle of work adopting adhesive tape sizing, rotate by workpiece, adhesive tape is tangentially sent into along workpiece hand of rotation, and with corresponding speed moving linearly, two motion superpositions, spatially form a circular helix formed by adhesive tape, flexible insulant material is shaped.Be aided with rolling wheel pressure viscosity simultaneously, the oad of flexible insulant material goods is controlled by rolling wheel and magnetorheological rotary damper, according to the value of feedback of displacement pickup, regulate the output torque of magnetorheological rotary damper and the radial location of rolling wheel simultaneously, realize the accurate control of the oad of flexible insulant material goods.Adopt above device to carry out repeatedly coated construction to the cylindric outer wall of combustion chamber flexible insulant material of punching engine, prove feasible.
Accompanying drawing illustrates:
Fig. 1 is the structure diagram of the utility model coating unit;
Fig. 2 A is the technological principle sketch of the utility model method;
Fig. 2 B is the lateral plan of Fig. 2 A.
Detailed description of the invention:
Below in conjunction with drawings and Examples, the utility model method and apparatus is described in detail; but the utility model is not limited to exemplified method and apparatus; local improvement wherein and equivalent replacement; as long as what make on technical solutions of the utility model basis; all should be considered as within the scope of the technical solution of the utility model, protection of the present utility model ought to be subject to.
Cylindrical workpiece outsourcing flexible insulant material method for shaping of the present utility model is that flexible insulant material is shaped by the mode adopting adhesive tape to be wound around, rotate by workpiece, adhesive tape is tangentially sent into along workpiece S. A. direction, and with corresponding speed moving linearly, two motion superpositions, spatially form a circular helix formed by adhesive tape, flexible insulant material is shaped.Wherein, adhesive tape used is polymer tapes or glass fibre cloth rubber belt.
In order to more accurately clearly this method for shaping can be described, first combine the coating unit adopted and be introduced and will the utility model be more easily understood.
As shown in Figure 1, this coating unit comprises support 1, variable frequency reducer motor 2, leading screw 3, moving guide rail 4, Mobile base 5, roller actuating unit 6, rolling wheel 61, magnetorheological rotary damper 71, belt pulley 72, adhesive tape 73, displacement pickup 8, piece-holder and swing type mechanism 9, gear cluster 10, and workpiece 11 is execution objects of coating unit.
Variable frequency reducer motor 2, moving guide rail 4, leading screw seat are all fixed on support 1, and leading screw 3 frame is on leading screw seat, and end is connected on variable frequency reducer motor 2 output shaft, simultaneously sheathed gear cluster 10 on variable frequency reducer motor 2 output shaft.Mobile base 5 screw is connected with moving guide rail 4 with leading screw 3 respectively with ball slider, make it to move on moving guide rail, the affixed adhesive tape feeding mechanism of difference (containing magnetorheological rotary damper 71, belt pulley 72, adhesive tape 73) on Mobile base, roller actuating unit 6 and displacement pickup 8 (as Fig. 2 A).Workpiece 11 is the combustion barrels being just enclosed with flexible insulant material, is supported by piece-holder and swing type mechanism 9.Piece-holder and swing type mechanism 9 comprise a four paws chuck that can connect propclip, handwheel and gear, can manually also can be electronic, drive workpiece to rotate.Manually performed by handwheel, electric-powered, reach workpiece by variable frequency reducer motor 2 by gear cluster 10, piece-holder and swing type mechanism 9.
When variable frequency reducer motor 2 starts, drive leading screw 3 to rotate, drive Mobile base 5 to move on moving guide rail 4 by screw, engaged by gear cluster 10 simultaneously, drive piece-holder and swing type mechanism 9 to rotate, and then drive workpiece 11 to rotate.
Adhesive tape 73 is wrapped on belt pulley 72, belt pulley 72 is supported on Mobile base 5, and drive by containing magnetorheological rotary damper 71, the end of adhesive tape 73 is sent into along the tangential direction that workpiece rotates and is bonded in flexible insulant material skin, pull adhesive tape constantly to send when workpiece rotates, while workpiece rotates, adhesive tape is along with Mobile base 5 is along leading screw axial motion, under the combination of workpiece rotary motion and adhesive tape straight-line motion, form the spiral wrap state of adhesive tape at surface of the work.Further, at outer surface of workpiece and workpiece is coaxial arranges rolling wheel 61, rolling wheel 61 lower surface pushes down adhesive tape, tape sticker is made to invest surface of the work, more strengthen the pull-out ability of adhesive tape, rolling wheel 61 is by roller actuating unit 6 driven rotary, and roller actuating unit 6 is also arranged on Mobile base 5, moves forward with adhesive tape is synchronized.The position of roller actuating unit 6 on Mobile base 5 is adjustable, adjusts the distance of shaft centers between rolling wheel and workpiece with this, and this directly affects the size of workpiece outside dimension.Along with the rotation of workpiece, adhesive tape is constantly sent, adhesive tape with the bonding friction force of workpiece and the effect of magnetorheological rotary damper 71 under produce tension force, now, roll extrusion point under rolling wheel rotates along with workpiece and the orthogonal speed of generation two that moves axially of Mobile base superposes, namely on external cylindrical surface, a helix line is formed, this helix line is the coated running orbit of adhesive tape, the position of suitable adjustment rolling wheel and the moment of torsion (namely adjusting conveyor belt tension) of rotary damper, just can control the diameter being wrapped by excircle of workpiece.
After displacement pickup 8 being placed in roll extrusion point (see Fig. 2 B), the point surveyed be the positional value (radial distance relative to workpiece centre) of adhesive tape after being wound around, this value is fed back to computing machine, computing machine is the adjustment amount of roller actuating unit 6 according to preset value calculated difference, this difference is converted into voltage knots modification simultaneously and is defeated by magnetorheological rotary damper to improve output torque, and then change conveyor belt tension, under the change in displacement of rolling wheel and the change effect of belt pulley tension force, generation changes and is wound the change of conveyor belt tension by roll extrusion point up and down, thus reach the adjustment of coated radius.Coated rear adhesive tape is a ring belt (i.e. tolerance ring belt) close to nominal diameter circle at cross-sectional plane, and on coated of whole cylinder, be not cylindricity, the rigidity of this not shape tolerance size coating unit thus of cylindricity, setting accuracy, system response, the parameters such as parameter adjustment determine.As can be seen here, in coated whole process, if keep variable frequency reducer motor 2 frequency constant, by making, Mobile base is also adhesive tape, rolling wheel moves with constant velocity linear, also will workpiece be rotated with constant speed; Keep magnetorheological rotary damper 71 moment of torsion constant, keep roller actuating unit 6 rotating speed constant, the outside face of flexible material is wrapped in constant tension force by making adhesive tape, rolling wheel is made to push down adhesive tape with constant pressure, make the Winding pressure suffered by flexible material appearance balanced, thus ensure the conformability of oad.
When variable frequency reducer motor 2 starts, drive leading screw 3 to rotate, drive Mobile base 5 to move on moving guide rail 4 by screw, engaged by gear cluster 10 simultaneously, drive piece-holder and swing type mechanism 9 to rotate, and then drive workpiece 11 to rotate.
By the introduction of coating unit, following steps be can be described as to the coated setting process of the cylindrical workpiece being coated with flexible material:
1) first flexible insulant material is fastened with glue on cylindrical workpiece surface, and then the workpiece cover of coated flexible insulant material is installed on a support and swing type mechanism.
2) be attached at surface of the work and one rolling wheel is set, the axle center of rolling wheel and the distance of shaft centers of workpiece are determined by the workpiece outside dimension needed, if namely the outside dimension of the combustion barrel of coated flexible insulant material requires large, what just arranged by rolling wheel is higher, makes the distance of shaft centers of the axle center of rolling wheel and workpiece larger; If the outside dimension of the combustion barrel of coated flexible insulant material requires little, what just arranged by rolling wheel is lower, because flexible insulant material itself has compressibility, therefore can press flexible insulant material downwards, make the distance of shaft centers of the axle center of rolling wheel and workpiece smaller;
Rolling wheel can produce the motion of two aspects, and one is that another is perpendicular to workpiece axle center, the rolling motion on workpiece radius direction by moving axially along workpiece under the drive of Mobile base.
3) on rolling wheel longitudinal travel direction, next-door neighbour's rolling wheel arranges one and has the adhesive tape feeding mechanism of synchronous shift speed with rolling wheel, and on adhesive tape cover belt pulley wherein, adhesive tape termination is bonded at the surface of workpiece, and the tangential direction that can rotate along workpiece is sent into.
4) tape-stripping is at the end surface of workpiece, allows workpiece rotate with certain speed, while workpiece rotates, allows rolling wheel and adhesive tape make axial linear movement with suitable speed; Two kinds of motion superpositions, spatially form a circular helix be wound around by adhesive tape, flexible insulant material is tightly wrapped in the outside of combustion barrel, the rolling wheel of simultaneously closelying follow below at adhesive tape, in the whole process of longitudinal travel all with same radial pressure and rolling radius workpiece pressing, the workpiece that adhesive tape is wound around has the outside dimension of uniformity.
By regulating the output torque of belt pulley thus adjustment conveyor belt tension and the distance of shaft centers of rolling wheel and workpiece, realize the control of flexible insulant material oad.
During job initiation, described adhesive tape feeding mechanism and rolling wheel can be positioned at any cross-sectional plane of workpiece.
Further, can arrange a displacement pickup and torque sensor, the distance of the movement of displacement pickup detecting position moving mechanism, torque sensor detects the moment of torsion of belt pulley.Detect data in real time to control mechanism feedback, then by control mechanism actuating spindle to velocity of displacement and adhesive tape delivery speed.
Wherein, adhesive tape used is polymer tapes or glass fibre cloth rubber belt.
Flexible insulant material is paper, blanket or the felt that inorganic fibre is made, and the material of inorganic fibre comprises alumina fibre, Zirconium oxide fibre, carbon fiber, alumina silicate fibre, mullite fiber etc.
Adopt above method to carry out repeatedly coated construction to the cylindric outer wall of combustion chamber flexible insulant material of punching engine, prove feasible, here is two embodiments.
Embodiment 1
Be 433mm by diameter, length is that the cylindric combustion chamber of punching engine of 500mm is fixed on coating unit, the thermal insulation material that manual coated about 5mm is thick, fiberglass adhesive tape is fixed on adhesive tape damping output wheel, the resistance of adhesive tape damping output wheel is set to 2Nm, adjustment rolling wheel, make the pinch roller of rolling wheel apart from the cylindric outer wall of combustion chamber 3.5mm of driving engine, fixing rolling wheel, starts coating unit and carries out coated.Thermal insulation material external diameter aviation value after sizing is 440mm, and maximum outside diameter is 440.3mm, and minimum outer diameter is 439.9mm.
Embodiment 2
Be 445mm by diameter, length is that the cylindric combustion chamber of punching engine of 700mm is fixed on coating unit, the thermal insulation material that manual coated about 12mm is thick, fiberglass adhesive tape is fixed on adhesive tape damping output wheel, the resistance of adhesive tape damping output wheel is set to 4Nm, adjustment rolling wheel, make the pinch roller of rolling wheel apart from the cylindric outer wall of combustion chamber 9mm of driving engine, fixing rolling wheel, starts coating unit and carries out coated.Thermal insulation material external diameter aviation value after sizing is 464.7mm, and minimum outer diameter is 464.5mm, and maximum outside diameter is 464.9mm.
Above-described embodiment is only for illustration of the utility model, and wherein local process etc. all can change to some extent.
Claims (9)
1. a coating unit for cylindrical workpiece outsourcing flexible insulant material, is characterized in that: described coating unit comprises a support, support is fixed with variable frequency reducer motor, moving guide rail, piece-holder and swing type mechanism;
The output shaft of described variable frequency reducer motor is connected with leading screw, described leading screw is equipped with Mobile base, described Mobile base is slidably installed on described moving guide rail simultaneously, described Mobile base is provided with the adhesive tape feeding mechanism for adhesive tape being wrapped in surface of the work and roller actuating unit, described roller actuating unit drives the rolling wheel connecting and be used for being pressed into by adhesive tape between workpiece and rolling wheel, and described rolling wheel is pressed on surface of the work;
The output shaft of described variable frequency reducer motor is connected with piece-holder and swing type mechanism by gear cluster simultaneously, and described piece-holder is in piece-holder and swing type mechanism.
2. coating unit according to claim 1, it is characterized in that: described adhesive tape feeding mechanism includes magnetorheological rotary damper, belt pulley, described magnetorheological rotary damper drives and connects belt pulley, and described belt pulley is socketed adhesive tape, and the end of described adhesive tape is bonded in surface of the work.
3. coating unit according to claim 2, is characterized in that: the described position of roller actuating unit on Mobile base is adjustable.
4. coating unit according to claim 3, is characterized in that: described piece-holder and swing type mechanism are arranged on the both ends of described workpiece; Described gear cluster is socketed on the gyrostat of described piece-holder and swing type mechanism.
5. coating unit according to claim 4, is characterized in that: described piece-holder and swing type mechanism comprise a four paws chuck that can connect propclip, handwheel and gear.
6. coating unit according to claim 5, is characterized in that: described piece-holder and swing type mechanism are type hand or power type.
7. coating unit according to claim 6, is characterized in that: described piece-holder and swing type mechanism are the type hand performed by handwheel.
8. coating unit according to claim 6, is characterized in that: described piece-holder and swing type mechanism are the power type performed by gear cluster by variable frequency reducer motor.
9. according to the arbitrary described coating unit of claim 1-8, it is characterized in that: also comprise one and be wound around the displacement pickup of rear adhesive tape apart from workpiece axle center distance, after institute's displacement sensors is placed in rolling wheel for measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128316.9U CN204527709U (en) | 2015-03-06 | 2015-03-06 | The coating unit of cylindrical workpiece outsourcing flexible insulant material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520128316.9U CN204527709U (en) | 2015-03-06 | 2015-03-06 | The coating unit of cylindrical workpiece outsourcing flexible insulant material |
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| CN204527709U true CN204527709U (en) | 2015-08-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691808A (en) * | 2015-03-06 | 2015-06-10 | 中国建筑材料科学研究总院 | Molding method of flexible heat insulation material for exterior package of cylindrical workpiece and coating device thereof |
| CN108688852A (en) * | 2018-06-25 | 2018-10-23 | 张家港市新飞橡胶科技有限公司 | A kind of automatic tape-wrapping cutting mechanism |
-
2015
- 2015-03-06 CN CN201520128316.9U patent/CN204527709U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691808A (en) * | 2015-03-06 | 2015-06-10 | 中国建筑材料科学研究总院 | Molding method of flexible heat insulation material for exterior package of cylindrical workpiece and coating device thereof |
| CN108688852A (en) * | 2018-06-25 | 2018-10-23 | 张家港市新飞橡胶科技有限公司 | A kind of automatic tape-wrapping cutting mechanism |
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