CN103410053B - A kind of wide wallpaper coating production equipment - Google Patents

A kind of wide wallpaper coating production equipment Download PDF

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Publication number
CN103410053B
CN103410053B CN201310307304.8A CN201310307304A CN103410053B CN 103410053 B CN103410053 B CN 103410053B CN 201310307304 A CN201310307304 A CN 201310307304A CN 103410053 B CN103410053 B CN 103410053B
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China
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unit
water cooled
cooled rolls
swing arm
applicator roll
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Expired - Fee Related
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CN201310307304.8A
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CN103410053A (en
Inventor
苏翔宇
刘宗建
许小静
王建林
杨帆
席晓哲
刘博�
李剑锋
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Xi'an Hangtian Huayang Printing Package Equipment Co Ltd
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Xi'an Hangtian Huayang Printing Package Equipment Co Ltd
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Abstract

The invention discloses a kind of wide wallpaper coating production equipment, according to walking to expect that route is disposed with unwinding unit, first set tension control units, traction unit, coater unit, drying unit, correction unit, cooling and shaping unit, compression roller unit, the second cover tension control units, rolling unit, being provided with in addition at the input and output material film location of drying unit and wearing material unit.Device of the present invention, solve existing narrow coating apparatus be applied to wide wallpaper produce after, applicator roll precision and scraper cutting edge gap uniformity can not ensure, the wind speed of baking oven and temperature homogeneity are too poor, baking oven system windage is too large, and the problem of cooling and shaping deficiency; Production efficiency improves more than 3 times, energy consumption reduces 30%.

Description

A kind of wide wallpaper coating production equipment
Technical field
The invention belongs to printing machinery technical field, relate to a kind of wide wallpaper coating production equipment.
Background technology
Existing wallpaper production technology, first applies coating apparatus and be evenly coated with one deck slurry on material film base material, through super-dry plasticizing and then cooling and shaping; Secondly, the material film coated is printed, foamed and embossing.Coating apparatus on current wallpaper production line, generally can only be coated with the material film of fabric width at 700mm and 900mm, the wallpaper that this narrow material film is produced, when pasting because fabric width deficiency needs repeatedly seam, adjacent two width wallpaper seam crossings just there will be aberration, to decorative pattern difficulty, alice phenomenon, affect the whole structure of wall on wallpaper.
The coating quality obtained depends on following two aspects: the first, high-precision applicator roll, requires that the linearity of roll surface must within 0.005mm, the uniformity of such guarantee coating, and this is the basis of high-quality coating; The second, along comma coating blade axial direction, application regulon produces elastic deformation by scraper, makes scraper cutting edge identical along roll surface with the gap of applicator roll everywhere, and this is the key of high-quality coating.
Because coating, dry plasticizing are the committed step of producing, if simply widen on the basis of existing equipment (narrow) and strengthen intensity, be the technological requirement that can not meet wide wallpaper, technical barrier is mainly reflected in applicator roll precision and scraper cutting edge gap uniformity can not ensure; In addition, the structure of existing baking oven is applied to after wide wallpaper produces, and wind speed and temperature homogeneity are too poor, the blower fan dynamic pressure that the too large needs of baking oven system windage are too large, cause the waste of the energy.
Summary of the invention
The object of this invention is to provide a kind of wide wallpaper coating production equipment, solve existing narrow coating apparatus be applied to wide wallpaper produce after, applicator roll precision and scraper cutting edge gap uniformity can not ensure, the wind speed of baking oven and temperature homogeneity are too poor, the problem that baking oven system windage is too large.
The technical solution adopted in the present invention is, a kind of wide wallpaper coating production equipment, according to walking to expect that route is disposed with unwinding unit, first set tension control units, traction unit, coater unit, drying unit, correction unit, cooling and shaping unit, compression roller unit, the second cover tension control units, rolling unit, being provided with in addition at the input and output material film location of drying unit and wearing material unit.
Wide wallpaper coating production equipment of the present invention, its feature is also:
The structure of coater unit is, the wallboard on both sides is separately installed with an applicator roll a set of cups and a swing arm rotating shaft, and this is provided with applicator roll between applicator roll a set of cups, and applicator roll two ends spindle nose is arranged in applicator roll a set of cups respectively by bearings; The swing arm rotating shaft on every limit is provided with a swing arm a set of cups, each swing arm a set of cups is laterally installed with a swing arm, comma coating blade and swing arm crossbeam are installed between the swing arm on both sides, the swing arm on both sides around swing arm rotating shaft synchronous rotary, evenly can be provided with between swing arm crossbeam and comma coating blade and organizes regulon more.
The size of applicator roll is, diameter D is greater than 400mm, and wall thickness δ is 7 ~ 10mm, and it is 100 ~ 150mm that spindle nose stretches into roll body distance L, and the distance M of roll surface and support is less than 40mm, and spindle nose diameter F is greater than 160mm, and roll surface fabric width K is less than 3500mm.
The structure of regulon is, swing arm crossbeam is installed with horizontal rotating shaft bracing frame, rotating shaft is supported with by angular contact bearing in rotating shaft bracing frame inner chamber, rotating shaft is connected with rotary pin shaft towards one end of comma coating blade by screw thread, and rotary pin shaft to be contacted with the groove on comma coating blade by connection bracket and connects.
The structure of drying unit is, on baking oven top along walking to expect that both sides, direction are respectively arranged with a blower fan and a set of radiator, this two covers radiator is communicated with hot oil pipeline by threeway, and hot oil pipeline is connected with the extraneous circulatory system; Two fan outlets are communicated with a blast pipe respectively, and two blast pipes are communicated with blowing up bellows two ends and blowing down bellows two ends simultaneously, and the air inlet of blowing up bellows and blowing down bellows is respectively arranged with air-flow plate; Baking oven bottom is provided with exhaust duct in addition.
Blowing up bellows and blowing down bellows symmetrical up and down, structure is consistent, and each blow box internal structure is divided into three layers,
Ground floor is hot blast guiding region, is provided with multiple tracks deflector;
The second layer is hot blast mixed zone,
Third layer is tuyere installing zone, is provided with many air drafts mouth.
Baking oven is near the position of material film entrance, and tuyere is oblique towards material film; The direction vertical subtend material film of the tuyere of other positions.
The structure of cooling and shaping unit is, comprise initiatively water cooled rolls one, initiatively water cooled rolls two and passive water cooled rolls, initiatively water cooled rolls one is connected with motor-driven, initiatively water cooled rolls one is separately connected with active water cooled rolls two Synchronous Transmission by driving belt, material film is crossed roller by one group and is first entered initiatively water cooled rolls one, next walks around passive water cooled rolls, then crosses roller by second group and enter initiatively water cooled rolls two, walks around initiatively to eventually pass the 3rd group after water cooled rolls two and cross roller and enter rewinding unit.
Initiatively water cooled rolls one, initiatively water cooled rolls two and passive water cooled rolls diameter are greater than 600mm, and active water cooled rolls two diameter 0.1 ~ 0.5mm larger than the diameter of active water cooled rolls one.
The invention has the beneficial effects as follows: coating width reaches the coating requirement of 3500mm, can produce the wallpaper that current fabric width is maximum, coating thickness uniformity, dry plasticizing evenly, meets subsequent production technological requirement; Production efficiency improves more than 3 times, energy consumption reduces 30%.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the wide wallpaper process units that the present invention relates to;
Fig. 2 is the applicator roll structural representation in the present invention;
Fig. 3 is the structural representation in applicator roll in the present invention and coating blade fabric width direction;
Fig. 4 is applicator roll in the present invention and coating blade side-looking structure intention;
Fig. 5 is the coating blade regulon A place structure enlarged diagram in the present invention;
Fig. 6 is the drying unit structural representation in the present invention;
Fig. 7 is the A-A schematic cross-section in Fig. 6;
Fig. 8 is the radiator installation site schematic diagram in drying unit of the present invention;
Fig. 9 is that structural representation faced by the blowing down bellows in drying unit of the present invention;
Figure 10 is a kind of air nozzle structure schematic diagram of the present invention (enlarged drawing at the B place in Fig. 9);
Figure 11 is another kind of air nozzle structure schematic diagram of the present invention (enlarged drawing at the C place in Fig. 9);
Figure 12 is the deflector structure schematic diagram of blowing down inner bellows of the present invention;
Figure 13 is the structural representation of the cooling and shaping unit in the present invention.
In figure, 1. unwinding unit, 2. tension control units, 3. traction unit, 4. coater unit, 5. drying unit, 6. correction unit, 7. wear material unit, 8. cooling and shaping unit, 9. compression roller unit, 10. rolling unit, 41. applicator rolls, 42. comma coating blades, the swing arm on 43. both sides, 44. swing arm crossbeams, 45. applicator roll a set of cups, 46. wallboards, 47. swing arm rotating shafts, 48. swing arm a set of cups, 49. rotating shafts, 410. rotating shaft bracing frames, 411. connection bracket, 412. rotary pin shaft, 51. blower fans, 52. blast pipes, 53. blowing up bellows, 54. blowing down bellows, 55. radiators, 56. threeways, 57. hot oil pipelines, 58. exhaust ducts, 59. air-flow plates, 60. tuyeres, 61. deflectors, 81. active water cooled rollss one, 82. passive water cooled rollss, 83. active water cooled rollss two, 84. cross roller, 85. motors, 86. material films, 87. driving belts.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
With reference to Fig. 1, the overall structure of wide wallpaper production equipment of the present invention is, according to walking to expect that route is disposed with unwinding unit 1, first set tension control units 2, traction unit 3, coater unit 4, drying unit 5, correction unit 6, cooling and shaping unit 8, compression roller unit 9, second cover tension control units 2, rolling unit 10, being provided with in addition at the input and output material film location of drying unit 5 and wearing material unit 7.
The function of the present invention's above-mentioned wide wallpaper production equipment each several part is:
Unwinding unit 1 is for unreeling coated substrate, and this unwinding unit 1 structurally can adopt single station or double discharge structure, and control mode can be selected automatic material connection or manual splicing;
Namely first set tension control units 2(puts roller arrangement) for controlling the tension force between unwinding unit 1 to traction unit 3, the second cover tension control units 2 is for controlling the tension force between compression roller unit 9 to rolling unit 10.The structure of two cover tension control units 2 is consistent, control mode is all according to the potentiometric value of feedback of pendulum roller, after PLC computing, control unwinding unit 1(or rolling unit 10) in the rotating speed of variable-frequency motor, its Tensity size regulates the pressure size of pendulum roller cylinder by adjustment precision pressure regulator valve, thus ensures that the tension force of this section of material film controls in the scope of technological requirement;
Traction unit 3 is by traction steel rider and form dandy roll, variable-frequency motor belonging to this unit is through the running of deceleration device rear drive traction steel rider, operationally cylinder promotes dandy roll and draws steel rider to pressure, drives material film to enter coater unit 4 along traction steel rider rotation direction through tension control units 2; Material film enters drying unit 5 and carries out drying plasticizing after coater unit 4.
Referring to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, illustrate coater unit 4 of the present invention how to ensure the gap uniformity between applicator roll 41 and comma coating blade 42.
Affecting applicator roll and will inevitably produce bending due to gravity, even if through high accuracy processing, in use this distortion also can not be eliminated.Owing to existing market also not having fabric width reach the applicator roll of 3100mm, the present invention's application finite element optimization algorithm gives a kind of roller structure being simple and easy to process, and makes the applicator roll of fabric width 3100mm meet amount of deflection technical requirement.See Fig. 2, the applicator roll 41 that the present invention is used, diameter D is greater than 400mm, wall thickness δ is 7 ~ 10mm, it is 100 ~ 150mm that spindle nose stretches into roll body distance L, and the distance M of roll surface and support is less than 40mm, and spindle nose diameter F is greater than 160mm, roll surface fabric width K is less than 3500mm, meets wide cut coating production technology to the requirement of applicator roll precision.
Composition graphs 3, the structure of coater unit 4 is, wallboard 46 need process conjunction, the wallboard 46 on both sides is separately installed with applicator roll a set of cups 45 and a swing arm rotating shaft 47, this is provided with applicator roll 41 between applicator roll a set of cups 45, applicator roll 41 can rotate around the axis of oneself, and applicator roll 41 two ends spindle nose is arranged in applicator roll a set of cups 45 respectively by bearings; The swing arm rotating shaft 47 on every limit is provided with a swing arm a set of cups 48, each swing arm a set of cups 48 is laterally installed with the swing arm 43 that a swing arm 43(is called both sides), the swing arm 43 on both sides can around swing arm rotating shaft 47 synchronous rotary, comma coating blade 42 and swing arm crossbeam 44 are installed between the swing arm 43 on both sides, comma coating blade 42 and swing arm crossbeam 44 are arranged with the axis being parallel of applicator roll 41, be evenly provided with and organize regulon more between swing arm crossbeam 44 and comma coating blade 42.
Certain applicator roll 41 also can be directly installed on wallboard 46, but the restriction of the required distance due to structure and roll surface and support, applicator roll a set of cups 45 is preferably adopted to install, in order to reduce the impact that spring bearing precision is run applicator roll, the bearing accuracy selected will reach P5 level or more, and interference is installed as far as possible;
Because applicator roll 41 span is large, its distortion along roll surface is inevitable, and the rigidity of comma coating blade 42 is more a lot of than the poor rigidity of applicator roll 41, the distortion of it and applicator roll 41 is inconsistent, this just needs to adjust comma coating blade 42, makes its distortion along roll surface consistent with applicator roll 41, and what also will overcome that alignment error etc. causes is inconsistent simultaneously, so the setting of regulon, comma coating blade 42 and applicator roll 41 can be made to remain level (parallel) state.
With reference to Fig. 4, Fig. 5, the structure of regulon is, swing arm crossbeam 44 is installed with horizontal rotating shaft bracing frame 410, rotating shaft 49 is supported with by angular contact bearing in rotating shaft bracing frame 410 inner chamber, rotating shaft 49 is connected with rotary pin shaft 412 towards one end of comma coating blade 42 by screw thread, the other end of rotating shaft 49 is provided with flat projection or the square block of clamping, and rotary pin shaft 412 is contacted with the groove on comma coating blade 42 by connection bracket 411 and connects.
Rotating shaft bracing frame 410 and swing arm crossbeam 44 are connected and fixed, rotating shaft 49 is supported in rotating shaft bracing frame 410 by angular contact bearing, can only rotation in rotating shaft bracing frame 410, and can not move along the axis of rotating shaft bracing frame 410, the spindle nose thread segment of rotating shaft 49 is socketed with the screw thread of rotary pin shaft 412 axle certre hole again, rotary pin shaft 412 both sides spindle nose inserts in connection bracket 411, and connection bracket 411 and comma coating blade 42 are fixed together.Adopt this mode both to ensure rotating shaft 49 and the connection of connection bracket 411, the both sides spindle nose of rotary pin shaft 412 can be made again to rotate around the bracket holes of connection bracket 411, reduce adjustment additional force and ensure that comma coating blade 42 is out of shape unanimously.
In figure 3, the embodiment of the present invention is along comma coating blade 42 being provided with 7 place's regulons, if fabric width change, can also increase and decrease, general fabric width arranges 3 place's regulons at 900mm, and fabric width is that 1200mm then arranges 4 places.In reality adjustment, first make comma coating blade 42 naturally fall with applicator roll 41 keep certain distance, the gap of test different parts, with maximum gap for standard, rotate the rotating shaft 49 needing adjustment place, making the comma coating blade 42 of corresponding section produce elastic deformation, through coordinating adjustment everywhere, making overall gap consistent.
Applicator roll of the present invention and regulon thereof, have easy to process, use simple, technological requirement can be met at low cost.
With reference to Fig. 6, Fig. 7, Fig. 8, the structure of drying unit 5 of the present invention is, on baking oven top along walking to expect that both sides, direction are respectively arranged with a blower fan 51 and a set of radiator 55, two cover radiator 55 is communicated with hot oil pipeline 57 by threeway 56, hot oil pipeline 57 is connected with extraneous heat circulating system; The air outlet of these two blower fans 51 is communicated with a blast pipe 52 respectively, and two blast pipes 52 are communicated with blowing up bellows 53 two ends and blowing down bellows 54 two ends simultaneously, and the air inlet of blowing up bellows 53 and blowing down bellows 54 is respectively arranged with air-flow plate 59; Baking oven bottom is provided with exhaust duct 58 in addition.
Hot wind flow process in baking oven is, be arranged on a pair blower fan 51 on oven interior both sides the hot gas heated through radiator 55, assign in blowing up bellows 53 and blowing down bellows 54 by blast pipe 52, blowing up bellows 53 and blowing down bellows 54 air inlet are separately installed with air-flow plate 59, each air-flow plate 59 is utilized to regulate the air quantity entered in blowing up bellows 53 and blowing down bellows 54 respectively, guarantee, according to the different needs of material film above and below drying plasticizing, to adopt different intakes.The hot gas ejected from the tuyere 60 of blowing up bellows 53 and blowing down bellows 54 is ejected into the upper and lower surface of material film, carries out drying and foams; The hot gas residual air of bottom oven interior about 70% is due to the draft effect of blower fan, again again circulate through radiator 55, remaining 30% hot blast discharges outside case through exhaust duct 58, and the secondary that can not only realize energy like this utilizes, and controls again DOP(dioctyl phthalate in baking oven) content.
As can be seen from above-mentioned hot wind flow process, be ejected into the factor such as layout of layout that the temperature of hot blast, the key of velocity uniformity on material film are blower fans, top and bottom blowing case internal structure, tuyere 60 structure, radiator.
Drying unit 5 of the present invention adopts both sides blower fan air inlet, a pair blower fan 51 is direct-connected with blast pipe 52 two ends respectively, so just avoid employing blower fan to connect through two three ventilation ducts and enter blowing up bellows 53 and blowing down bellows 54, both improve the uniformity entering blowing up bellows 53 and blowing down bellows 54 hot blast, again reduce system wind resistance.
With reference to Fig. 9, Figure 12, blowing up bellows 53 and blowing down bellows about 54 symmetry, structure is consistent, and each blow box internal structure is divided into three layers, and every one deck has specific effect.Ground floor is hot blast guiding region, be connected with air inlet, both sides enter the hot blast of upper and lower blow box, through the effect of inner multiple tracks deflector 61, the hot blast making the left and right sides enter upper and lower blow box is split, avoid hot blast mixing in opposite directions, reduce the energy loss of hot blast and the resistance in casing.The present invention proposes internal diversion plate 61 structure according to fluid mechanics principle, see Figure 12, main feature is bellows profile is symmetrical structure, bellows air intake passage is obstructed entry zone according to the ratio cut partition of zones of different air outlet area, according to the radian requirement of baking oven width and internal diversion, be provided with multiple tracks deflector 61, be divided into 8 air intake regions (i.e. region A, region B, region C, region D, symmetrical region A, symmetrical region B, symmetrical region C, symmetrical region D), 8 regions that deflector 61 separates are symmetrical with baking oven vertical and horizontal center line, namely deflector 61 is along two center line symmetries, such hot blast guaranteeing to enter from both sides can not mix in oven interior, can reduce internal loss and windage like this, under same blower press, the cold air blast velocity of tuyere 60 can improve.Adopt symmetrical deflector 61 structure of large radian to combine the inlet-duct area determined, ensure that tuyere 60 is identical at the flow velocity of vertical and horizontal, the layout requirements tuyere 60 of deflector 61 can not as arranging on centerline in the prior art;
The second layer is hot blast mixed zone, hot blast through ground floor mixes in this region, this region is ground floor and air outlet (third layer) connected regions, in this region to advance into oven temperature and the uneven hot blast of wind speed, can mix and make the temperature of hot blast and wind speed become even further, be the committed step ensureing that air outlet temperature is identical with wind speed;
Third layer is wind outlet area and tuyere installing zone, is provided with many air drafts mouth 60, and tuyere adopts two kinds of structures: the first, intensive borehole structure, has the features such as even, soft; The second, air knife structure has injection structure, has injection great efforts, the features such as impact effect is obvious.Different air nozzle structures is adopted according to the position of baking oven, if adopt three joint baking ovens, Figure 10 structure is adopted near the position of material film entrance at the baking oven first entered, tuyere 60 is oblique towards material film, other positions adopt Figure 11 structure, the direction vertical subtend material film of tuyere 60, and object to prevent hot blast from blowing coating or ink, injection can be prevented again to be leaked to baking oven outside, more easily to form negative pressure in porch.Bellows structure of the present invention, substantially increases stock drying time, is conducive to improving stock rate of drying and quality.
With reference to Fig. 8, the present invention adopts on the upside of oven interior, is provided with two radiators 55, and these two radiators 55 are connected with threeway 56 simultaneously, and threeway 56 is connected with hot oil pipeline 57 again, and hot oil pipeline 57 is connected with extraneous pipeline, passes into extraneous hot-fluid.The advantage of two radiators is used to be that of avoiding the difficulty of a processing large radiator and the temperature inequality of the long generation of radiator heat pipe.
Oven interior blower fan layout of the present invention, upper and lower blow box three layers of wind-guiding (mixed wind) structure, the layout of two radiators, under the prerequisite of the air outlet wind speed and oven interior homogeneous temperature that ensure that tuyere 60 everywhere, effectively reduces resistance and the energy loss of system.Succinct pipeline easily connects, and reduces labour intensity.
Need special instruction, show four joint baking ovens in Fig. 1 embodiment and form successively, but according to the dry foam performance of difference material membrane material, the quantity of baking oven can increase and decrease according to actual needs.
Correction unit 6 is provided with, for rectifying a deviation to entering the material film before water cooled rolls between drying unit 5 and cooling and shaping unit 8.Baking oven in drying unit 5 import and export position be provided with wear that material unit 7(is made up of chain), conveniently wear material.
With reference to Figure 13, the structure of cooling and shaping unit 8 of the present invention is, comprise the water cooled rolls that three diameters are greater than 600mm, i.e. active water cooled rolls 1, initiatively water cooled rolls 2 83 and passive water cooled rolls 82, initiatively water cooled rolls 1 and motor 85 are in transmission connection, initiatively water cooled rolls 1 is separately connected with active water cooled rolls 2 83 Synchronous Transmission by driving belt 87, material film 86 is crossed roller 84 by one group and is first entered initiatively water cooled rolls 1, next walks around passive water cooled rolls 82, cross roller 84 by second group again and enter initiatively water cooled rolls 2 83, walk around and initiatively eventually pass the 3rd group after water cooled rolls 2 83 and cross roller 84 and enter rewinding unit 10.
This cooling and shaping unit 8 arranges and comprises following key point: first, what first material film 86 entered is active water cooled rolls 1, initiatively water cooled rolls 1 is driven by motor 85, adopting fuzzy tension force to control initiatively water cooled rolls 1 and this section of traction unit 3 herein, by the tension force of coater unit 4, drying unit 5, namely active water cooled rolls 1 does not adopt pressure roller to drive; The second, in order to ensure cooling and shaping effect, adopt diameter at the water cooled rolls of more than 600mm and large S-shaped cornerite; 3rd, motor 85 be complete machine tension force control mair motor, other motors all with this motor for target motor carries out speed tracing; 4th, active water cooled rolls 1, initiatively water cooled rolls 2 83 adopt a motor 85 synchronously to drive, and initiatively water cooled rolls 2 83 diameter 0.1 ~ 0.5mm larger than the diameter of active water cooled rolls 1, ensures the tension force of expecting film between this two roller.
Material film 86, under active water cooled rolls 2 83 and compression roller unit 9 act on, enters rewinding unit 10.
Device of the present invention, by the setting to wide cut apparatus for coating key point technical scheme, can meet the actual process requirement that wide wallpaper is produced, can increase work efficiency again, reduce energy ezpenditure.

Claims (4)

1. a wide wallpaper coating production equipment, it is characterized in that: according to walking to expect that route is disposed with unwinding unit (1), first set tension control units (2), traction unit (3), coater unit (4), drying unit (5), correction unit (6), cooling and shaping unit (8), compression roller unit (9), the second cover tension control units (2), rolling unit (10), being provided with in addition at the input and output material film location of drying unit (5) and wearing material unit (7);
The structure of described coater unit (4) is, the wallboard (46) on both sides is separately installed with an applicator roll a set of cups (45) and a swing arm rotating shaft (47), be provided with applicator roll (41) between applicator roll a set of cups (45) on two sidewall panels (46), applicator roll (41) two ends spindle nose is arranged in applicator roll a set of cups (45) respectively by bearings; The swing arm rotating shaft (47) on every limit is provided with a swing arm a set of cups (48), each swing arm a set of cups (48) is upper is laterally installed with a swing arm (43), comma coating blade (42) and swing arm crossbeam (44) are installed between the swing arm (43) on both sides, the swing arm (43) on both sides around swing arm rotating shaft (47) synchronous rotary, evenly can be provided with between swing arm crossbeam (44) and comma coating blade (42) and organizes regulon more;
The structure of described drying unit (5) is, on baking oven top along walking to expect that both sides, direction are respectively arranged with a blower fan (51) and a set of radiator (55), this two cover radiator (55) is communicated with hot oil pipeline (57) by threeway (56), and hot oil pipeline (57) is connected with the extraneous circulatory system; Two blower fan (51) air outlets are communicated with a blast pipe (52) respectively, two blast pipes (52) are communicated with blowing up bellows (53) two ends and blowing down bellows (54) two ends simultaneously, and the air inlet of blowing up bellows (53) and blowing down bellows (54) is respectively arranged with air-flow plate (59); Baking oven bottom is provided with exhaust duct (58) in addition; Described blowing up bellows (53) and blowing down bellows (54) are symmetrical up and down, and structure is consistent, and each blow box internal structure is divided into three layers, and ground floor is hot blast guiding region, is provided with multiple tracks deflector (61); The second layer is hot blast mixed zone; Third layer is tuyere installing zone, is provided with many air drafts mouth (60); First the baking oven entered is near the position of material film entrance, and tuyere (60) is oblique towards material film; The direction vertical subtend material film of the tuyere (60) of other positions.
2. wide wallpaper coating production equipment according to claim 1, it is characterized in that: the size of described applicator roll (41) is, diameter D is greater than 400mm, wall thickness δ is 7 ~ 10mm, it is 100 ~ 150mm that spindle nose stretches into roll body distance L, the distance M of roll surface and support is less than 40mm, and spindle nose diameter F is greater than 160mm, and roll surface fabric width K is less than 3500mm.
3. wide wallpaper coating production equipment according to claim 1, it is characterized in that: the structure of described regulon is, swing arm crossbeam (44) is installed with horizontal rotating shaft bracing frame (410), rotating shaft (49) is supported with by angular contact bearing in rotating shaft bracing frame (410) inner chamber, rotating shaft (49) is connected with rotary pin shaft (412) towards one end of comma coating blade (42) by screw thread, rotary pin shaft (412) is contacted with the groove on comma coating blade (42) by connection bracket (411) and connects.
4. wide wallpaper coating production equipment according to claim 1, it is characterized in that: the structure of described cooling and shaping unit (8) is, comprise initiatively water cooled rolls one (81), initiatively water cooled rolls two (83) and passive water cooled rolls (82), initiatively water cooled rolls one (81) and motor (85) are in transmission connection, initiatively water cooled rolls one (81) is separately connected with active water cooled rolls two (83) Synchronous Transmission by driving belt (87), material film (86) is crossed roller (84) by one group and is first entered initiatively water cooled rolls one (81), next walks around passive water cooled rolls (82), cross roller (84) by second group again and enter initiatively water cooled rolls two (83), walk around and initiatively eventually pass the 3rd group after water cooled rolls two (83) and cross roller (84) and enter rewinding unit (10),
Described active water cooled rolls one (81), initiatively water cooled rolls two (83) and passive water cooled rolls (82) diameter are greater than 600mm, and active water cooled rolls two (83) diameter 0.1 ~ 0.5mm larger than the diameter of active water cooled rolls one (81).
CN201310307304.8A 2013-07-19 2013-07-19 A kind of wide wallpaper coating production equipment Expired - Fee Related CN103410053B (en)

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CN112337718B (en) * 2020-09-29 2021-09-14 西安航天华阳机电装备有限公司 Precision coating machine for rubber coated fabric

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