CN102765242A - Aqueous synthetic leather production line - Google Patents
Aqueous synthetic leather production line Download PDFInfo
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- CN102765242A CN102765242A CN2012102632539A CN201210263253A CN102765242A CN 102765242 A CN102765242 A CN 102765242A CN 2012102632539 A CN2012102632539 A CN 2012102632539A CN 201210263253 A CN201210263253 A CN 201210263253A CN 102765242 A CN102765242 A CN 102765242A
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Abstract
The invention discloses an aqueous synthetic leather production line. The aqueous synthetic leather production line is characterized by sequentially comprising, according to production procedures, a double-station release paper unwinding machine, a release paper joint table, a storage device, a first precision coating machine, a first drying oven, a double-roll cooling machine, a second precision coating machine, a first multi-layer fold back type drying oven, a multi-roll cooling machine, a stripping device, an edge cutting machine and a double-station winding machine, wherein the double-station winding machine comprises a product winding portion and a release paper winding portion. The aqueous synthetic leather production line is simple in arrangement and adaptive to aqueous synthetic leather production requirements, and mass production of aqueous synthetic leather can be realized. The drying oven is lengthened due to adoption of the 'fold back type drying oven', so that products can stay longer in the drying oven to adapt to drying and foaming characteristics of aqueous products. Further, production efficiency is improved, product quality can be guaranteed, occupied area is reduced, and cost reduction and efficiency improvement can be realized.
Description
Technical field
The present invention relates to the artificial leather production technical field, especially water-based artificial leather production technical field.
Background technology
At present, the manufacturing process of artificial leather synthetic leather and material still follow traditional technology and organic solvent type material, and the volatilization of organic solvent is the source of environmental pollution in the material; These pollutions need be reclaimed through end and administered.Traditional solvent-borne type product producing process equipment is except that blowing oven is two air channels; Drying oven all is single air channels; The blowing oven blowing temperature is the high temperature foaming, and the environmental pollution that solvent evaporates produces need dispose DOP and DMF (DOP and DMF retracting device all are existing matured products) retracting device solves.Avoiding and eliminating these solvents is the synthetic leather cleaner production solves environmental pollution from the source directions.At present, water-base resin and the place's agent of water-based table have been come out and have been begun and tried out in production of articles, and goods are called water-based artificial leather or water-based synthetic leather.
Because the solvent in water-based artificial leather and the water-based synthetic leather material is a water, organic solvent different from the past, so the drying of goods and foaming process all be different from existing goods, can't use the like product that has now in the production line fully.About the preparation of water-based artificial leather, one Chinese patent application CN201110232140.8 discloses environment-friendly water-based synthetic leather of a kind of ultra fibre and preparation method thereof, wherein only discloses process, does not disclose production equipment.Do not have ripe water-based synthetic leather equipment to be suitable at present, make the water-based artificial leather can not large-scale production, cause still need using in the present commercial production traditional handicraft and organic solvent type material.
Be provided with the hot blast unit in the drying oven that uses in the existing artificial leather production line, hot blast is provided with heat exchanger in the unit, is provided with the heat-conducting oil heating pipeline in the heat exchanger.The main line of existing heat-conducting oil heating pipeline, branch line form many places 90 degree bends, divide pipeline to get into main line and often vertically connect, and conduction oil is flowed form eddy current; Increase resistance; It is not smooth that ducted conduction oil is flowed, and causes conduction oil to increase in pipeline heat loss in service, influences heats; Cause and send the oil and the oil return temperature difference to increase, cause energy waste.
At present; The release liners unreeling machine of needs use having become routine techniques, splicing station, drying oven, roll-type cooler, make-up machine etc. in the artificial leather synthetic leather production line, these equipment can apply among the water-based synthetic leather production line equally, but the water-based synthetic leather production line also need be under the situation that does not increase baking oven length; Enhance productivity; Guarantee quality of item, reduce floor space, reduce the special baking oven of capital construction and equipment investment.
In a word, lacking ripe water-based synthetic leather production line at present comes the water-based synthetic leather is carried out suitability for industrialized production.
Summary of the invention
The object of the present invention is to provide a kind of release liners support methods water-based synthetic leather production line that is applicable to.
For realizing above-mentioned purpose; Water-based synthetic leather production line of the present invention comprises by production procedure; Comprise double release liners unreeling machine, release liners splicing station, storage device, the first accurate coating machine, first drying oven, two roller coolers, the second accurate coating machine, the first multilayer Zigzag type baking oven, four roller coolers, the 3rd accurate coating machine, second drying oven successively, fit and put cloth apparatus, make-up machine, the second multilayer Zigzag type baking oven, multiple roll cooler, stripping off device, bead cutter and double coiling machine automatically that the double coiling machine comprises goods rolling part and release liners rolling part.
The said first and second multilayer Zigzag type baking ovens, structure identical; Include the casing that charging aperture and discharging opening are set; Baking zone and hot-flow flue are set in the casing, and baking zone is made up of the deflector roll that is provided with at interval, and the arrangement that deflector roll forms is suitable long to extension along casing; Said baking zone is divided into and is isometric upper, middle and lower-ranking, is respectively upper strata baking zone, middle level baking zone and lower floor's baking zone; In the said two neighbouring baking zones; Tail end and the head end of the baking zone of below of the baking zone of top is the head end formation bed of material of baking zone of tail end and below of the baking zone of corresponding up and down setting of homonymy and the top place of turning back, and the bed of material place of turning back all is provided with the switching-over roller; The switching-over roller is connected with power set; Said switching-over roller all is arranged at outside the casing, said switching-over roller and and the head end of its baking zone that closes on or the casing between the tail end on all be provided for the opening that the bed of material is turned back; The deflector roll of said bottom baking zone is arranged on the longeron, and longeron is positioned at casing and suitable long to horizontal-extending along casing, and the deflector roll arranging density of bottom baking zone is greater than the deflector roll arranging density of other baking zones.
In the said multilayer Zigzag type baking oven: said hot-flow flue comprises at upper air duct above the baking zone of upper strata and the lower air duct between middle level baking zone and lower floor's baking zone; Said upper air duct covers the upper strata baking zone and is made up of several bellows unit; The bellows unit of upper air duct is unidirectional air-supply structure down, and the bellows unit of upper air duct is provided with the hot blast nozzle that send of downward air-supply; Said lower air duct covers middle level baking zone or lower floor's baking zone; And also form by several bellows unit; The bellows unit of lower air duct is two-way air-supply structure up and down, and the top, bellows unit of lower air duct and bottom corresponding respectively middle level baking zone and lower floor's baking zone are provided with the hot blast nozzle that send of upwards air-supply, air-supply downwards; Corresponding up and down two bellows unit in said upper air duct and the lower air duct, between be communicated with secondary air channel; The corresponding bed of material is provided with the tension mechanism that is used for the tensioning bed of material in the said casing; Said casing is the framework of the rectangular build processed by shaped steel, and the end face of framework and the outer surface of side are equipped with heat-insulation layer.
Said first drying oven is a rectangular frame structure, comprises framework, and framework both sides and top are coated with heat-insulation layer, and the traffic direction of the goods of being processed with this production line is a forward direction, and the front and back end of heat-insulation layer is equipped with the opening that supplies the goods turnover; Frame roof is provided with wind exhausting outlet, is provided with the hot blast unit in the framework, and the hot blast unit comprises heat exchanger, blower fan, upper air duct and lower air duct, and the upper air duct bottom is provided with send hot blast nozzle, send hot blast nozzle towards goods; The lower air duct top is provided with send hot blast nozzle, send hot blast nozzle towards goods, is provided with the heat-conducting oil heating pipeline in the said heat exchanger;
Said heat-conducting oil heating pipeline comprise send oily trunk line, with send the parallel oil return trunk line that is provided with of oily trunk line, with the oil return lateral that send the oil content branch pipe(tube) and be communicated with that send oily trunk line to be communicated with the oil return trunk line; Send oily trunk line and oil return trunk line all to be communicated with through joint first straight tube and two joints, first curved pipe at the turning; First straight tube is located between two joints, first curved pipe, and first straight tube and its both sides send the angle ε 1 of oily trunk line or oil return trunk line, ε 2 to be all the obtuse angle; Send the oil content branch pipe(tube) and send between the oily trunk line angle γ along the oily flow path direction in edge between the angle δ of oily flow path direction and oil return lateral and the oil return trunk line all smaller or equal to 60 °; Send oil content branch pipe(tube) and oil return lateral all to be communicated with through joint second straight tube and a joint second curved pipe at the turning, wherein second straight tube respectively with the angle ζ that send oil content branch pipe(tube) and oil return lateral more than or equal to 120 °.
Described automatic applying is put cloth apparatus and is comprised operating platform; The moving direction of operating platform upper edge base cloth is provided with double unreeling structure, mop roller, first draw-gear successively, connects cloth platform, hold down gag and cloth storage device; Cloth storage device goes out cloth one side and is provided with second draw-gear; The moving direction of operating platform lower edge base cloth is provided with initiatively spiral spread device, three finger edge spreader and fit bodies successively, and base cloth is seen the back off by second draw-gear and carried out spread through active spiral spread device; Base cloth refers to see the entering fit body off behind the edge spreader stripping limit by said three; Be provided with the mop roller and first fabric guide roll between said draw-gear and the said double unreeling structure; Be provided with second fabric guide roll between said second draw-gear and the said active spiral spread device.
The present invention has following advantage:
Structural configuration of the present invention is simple; Production characteristics and production requirement according to the water-based synthetic leather; Multiple device is organically combined, and it is as a whole that water-based synthetic leather production line of the present invention is done, and can adapt to the production requirement of water-based artificial leather; Accomplish the irrealizable function of single parts, i.e. large-scale production water-based artificial leather.The drying of water-based leather goods is to lean on the evaporation water molecule to realize (in this process, can not form pollution); The foaming of goods is mechanical type foaming; Progressively transpiring moisture forms abscess from the inside to the outside, and the time of goods foaming is longer relatively, and promptly the time of goods in baking oven is longer relatively.Adopt by " Zigzag type baking oven ", prolonged baking oven length, make the time of goods in baking oven longer, thereby adapt with the dry characteristic of water-based product with foaming.
The characteristics of Zigzag type baking oven are the numbers of plies that under the situation that does not increase baking oven length, increases baking zone among the present invention, enhance productivity, and guarantee quality of item; The goods of the bed of material can repeatedly come and go in baking oven, and the running length in baking oven is equivalent to the length of several baking zones, have guaranteed the drying and the foamed time of goods; Enhance productivity, guarantee quality of item, and reduce floor space; Reduce capital construction and equipment investment, increase economic efficiency.
After adopting heat-conducting oil heating pipeline of the present invention; The arc-shaped structure group of sending oily trunk line and oil return trunk line to adopt the obtuse angle at the turning in the heat-conducting oil heating pipeline, branch line are connected suitable flow of hot direction and form less than 60 ° of angles with main line, the arc-shaped structure greater than 120 ° is adopted at each branch line turning; To reduce the flow of hot resistance; Make flow of hot smooth and easy, the heat loss of deep fat in pipeline reduces, and improves heats; Reduce and send the oil and the oil return temperature difference, reach the purpose of energy savings.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the enlarged drawing at A place among Fig. 1;
Fig. 3 is the enlarged drawing at B place among Fig. 1;
Fig. 4 is the structural representation of Zigzag type baking oven;
Fig. 5 is the structural representation of heat-conducting oil heating pipeline;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the left view of Fig. 5;
Fig. 8 fits to put the structural representation of cloth apparatus automatically;
Fig. 9 is the enlarged drawing of spiral spread device among Fig. 8;
Figure 10 is the right view of Fig. 9.
The specific embodiment
As shown in Figure 1; Water-based synthetic leather production line of the present invention comprises the accurate coating machine of the accurate coating machine of the accurate coating machine of double release liners unreeling machine 1, release liners splicing station 2, storage device 3, first (surface layer) 4, first drying oven 5, two roller coolers 6, second (foaming) 7, first multilayer Zigzag type (foaming) baking oven 8, four roller coolers 9, the 3rd (laminating layer) 10, second drying oven 11 successively, fits and put cloth apparatus 12, make-up machine 13, the second multilayer Zigzag type baking oven 14, multiple roll cooler 15, stripping off device 18, bead cutter 17 and double coiling machine automatically by production procedure, and the double coiling machine comprises goods rolling part 16A and release liners rolling part 16B.
Wherein, the leather storage device of disclosed dermatine four-roll calendaring equipment among storage device 3 employing the applicant's patent ZL 2,010 2 0041230.X; First accurate coating machine 4, the second accurate coating machine 7 and the 3rd accurate coating machine 10 all adopt disclosed accurate coating machine among the applicant's the patent ZL 201120089347.X; Stripping off device 18 adopts the applicant's the disclosed release liners stripping off device of patent ZL201120028240.4; Disclosed bead cutter among bead cutter 17 employing the applicant's the patent ZL2011 2 0061665.5 (or ZL2011 2 0061644.3 or ZL2011 2 0061663.6).Disclosed double coiling machine among double coiling machine employing the applicant's the patent ZL2011 2 0057481.1.Release liners unreeling machine 1, release liners splicing station 2, two roller coolers 6, make-up machine 13 and multiple roll cooler 15 are the existing routine techniques in this area, and except that release liners unreeling machine 1 and release liners splicing station 2, concrete structure no longer details.
As shown in Figure 3, said (double) release liners unreeling machine 1 comprises and unreels frame 81, unreels frame 81 and is provided with centering body 82, unreeling shaft 83 and subsequent use unreeling shaft 84, and unreeling shaft 83 all disposes tension braker 85 with subsequent use unreeling shaft 84 1 ends; Unwinding device integral body is prior art.
As shown in Figure 3; Said release liners splicing station comprises that splicing station frame 86 and the splicing panel 87 that is provided with above the splicing station frame 86 and two covers clamp device; Said clamping device is made up of with following steel deflector roll 89 last rubber coated pressure bowl 88, and said upward rubber coated pressure bowl 88 does not rotate and moved up and down by clamping cylinder 90 drives.Go up rubber coated pressure bowl 88 during ordinary production and be in released state with following steel deflector roll 89, go up rubber coated pressure bowl 88 and fall simultaneously for two during joint, will unreeling the station release liners, terminal clamping is pressed in and splices on the panel 87 with backup station release liners head end, and release liners is spliced.
As depicted in figs. 1 and 2; Said first drying oven 5 is a rectangular frame structure; Comprise framework 61, framework 61 both sides and top are coated with heat-insulation layer 62, and the traffic direction of the goods of being processed with this production line is a forward direction; The front and back end of heat-insulation layer 62 is equipped with the opening (opening is a routine techniques, and figure does not show) that supplies the goods turnover; Frame roof is provided with wind exhausting outlet 69.Be provided with the hot blast unit in the framework 61; The hot blast unit comprises heat exchanger 68, blower fan 66, hot-flow flue, and hot-flow flue comprises upper air duct 77 and lower air duct 78, and the upper air duct bottom is provided with send hot blast nozzle 46; Send hot blast nozzle 46 towards goods 67, upper air duct 77 is unidirectional air-supply structure down and is fixed on the framework 61; Lower air duct 78 is unidirectional air-supply structure up, is fixed on the framework 61, is positioned at the goods below, and lower air duct 78 tops are provided with send hot blast nozzle 46, respectively send hot blast nozzle 46 all towards goods 67.Be provided with the heat-conducting oil heating pipeline in the said heat exchanger 68.Wherein, establish split flow plate and volume adjusting apparatus in the hot-flow flue; The split flow plate is a prior art, and figure does not show; Disclosed dermatine blowing oven volume adjusting apparatus among volume adjusting apparatus employing the applicant's the patent ZL 2,009 2 0258077.3.The said tuyere that send disclosed blowing oven among the patent ZL 2,009 2 0091398.9 that hot blast nozzle adopts the applicant everywhere.
Like Fig. 5, Fig. 6 and shown in Figure 7; Said heat-conducting oil heating pipeline comprise send oily trunk line 71, with send the oily trunk line 71 parallel oil return trunk lines 72 that are provided with, with the oil return lateral 74 that send oil content branch pipe(tube) 73 and be communicated with that send oily trunk line 71 to be communicated with oil return trunk line 72; Send oily trunk line 71 and oil return trunk line 72 all to be communicated with through joint first straight tube 75 and two joints, first curved pipe 76 at the turning; First straight tube 75 is located between two joints, first curved pipe 76, and first straight tube 75 send the angle ε 1 of oily trunk line 71 or oil return trunk line 72, ε 2 to be all the obtuse angle with its both sides.Send oil content branch pipe(tube) 73 and send between the oily trunk line 71 angle γ along the oily flow path direction in edge between the angle δ of oily flow path direction and oil return lateral 74 and the oil return trunk line 72 all smaller or equal to 60 °.Send oil content branch pipe(tube) 73 and oil return lateral 74 all to be communicated with through joint second straight tube 70 and a joint second curved pipe 121 at the turning, wherein second straight tube 70 respectively with the angle ζ that send oil content branch pipe(tube) 73 and oil return lateral 74 more than or equal to 120 °.Arrow shown in Fig. 5 is the flow direction of deep fat; Send the A port of oil content branch pipe(tube) 73 to be connected with the heat exchanger oil-in; The B port of oil return lateral 74 is connected with the heat exchanger oil return opening, second straight tube 70 respectively with the angle ζ that send oil content branch pipe(tube) 73 and oil return lateral 74 more than or equal to 120 °, send oil content branch pipe(tube) 73 and send between the oily trunk line 71 angle γ along the oily flow path direction in edge between the angle δ of oily flow path direction and oil return lateral 74 and the oil return trunk line 72 all smaller or equal to 60 °; The boiler oil-out send the oily trunk line 71 should be point-blank with main; First straight tube 75 respectively with the angle ε obtuse angle that send oily trunk line 71 and oil return trunk line 72, the setting of said structure and parameter effectively reduces the flow of hot resistance, makes the flow velocity quickening; The oil return heat loss reduces, energy savings.Wherein, the size of caliber is pressed the deep fat flow and is decided.
As shown in Figure 4; Said Zigzag type baking oven comprises the casing 45 that charging aperture 42 and discharging opening 56 are set; Said casing 45 is the framework 43 of the rectangular build processed by shaped steel; The end face of framework 43 and the outer surface of side are equipped with the heat-insulation layer of being made up of warming plate 44, and the end outer surface of casing 45 is not provided with heat-insulation layer, and heat-insulation layer 44 is used for insulation.Baking zone and hot-flow flue are set in the casing 45; Said baking zone is upper, middle and lower-ranking altogether; The length direction of casing 45 is a left and right directions, three layers of baking zone: upper strata baking zone 52, middle level baking zone 53 and lower floor's baking zone 57 are isometric and all suitable long to extension along casing 45.The corresponding bed of material 41 is provided with the tension mechanism 51 that is used for the tensioning bed of material 41 in the said casing 45, and tension mechanism 51 is positioned at the top of upper strata baking zone 52.Tension mechanism 51 is a prior art, so be not described in detail.In the said two neighbouring baking zones; Tail end and the head end of the baking zone of below of the baking zone of top is the head end formation bed of material of baking zone of tail end and below of the baking zone of corresponding up and down setting of homonymy and the top place of turning back; Be the head ends of the bed of material 41 upstream ends of same baking zone for this baking zone, the bed of material 41 outputs are the tail end of this baking zone.In this example; The left end of upper strata baking zone 52 and right-hand member are respectively the head end and the tail end of this baking zone; The right-hand member of middle level baking zone 53 and left end are respectively the head end and the tail end of this baking zone; The left end of middle level baking zone 53 and right-hand member are respectively the head end and the tail end of this baking zone, and the charging aperture 42 of casing 45 be positioned at casing 45 left end and with the corresponding setting of head end of upper strata baking zone 52, the discharging opening 56 of casing 45 be positioned at casing 45 right-hand member and with the corresponding setting of tail end of lower floor baking zone 57; So; The head end of the tail end of upper strata baking zone 52 and middle level baking zone 53 forms first bed of material place of turning back, and the head end of the tail end of middle level baking zone 53 and lower floor's baking zone 57 forms second bed of material place of turning back, and first, second bed of material place of turning back is provided with the first switching-over roller 55, the second switching-over roller 60 respectively; The said first switching-over roller 55, the second switching-over roller 60 all are arranged at outside the casing 45; The first switching-over roller 55, the second switching-over roller 60 and and the head end of its baking zone that closes on or the casing between the tail end 45 on all be provided for the opening 54 that the bed of material 41 is turned back: promptly the first switching-over roller 55, the second switching-over roller 60 lay respectively at outside the right ends of casing 45, and casing 45 right-hand members are provided with two openings 54 up and down, and casing 45 left ends also are provided with two openings 54 up and down; The bed of material 41 is entered in the casing 45 from charging aperture 42; Initial and end end through upper strata baking zone 52 passes outside the casing 45 again, walks around first switching-over and turns back behind the roller 55 again and get in the casing 45, passes outside the casing 45 through head end, the tail end of middle level baking zone 53 again; Walk around second switching-over and turn back again behind the roller 60 and get in the casing 45, discharge from casing 45 discharging openings 56 again through head end, the tail end of lower floor's baking zone 57.And the goods lower surface of the bed of material 41 with each baking zone---the Up Highway UHW of the deflector roll 50 of upper strata baking zone 52, middle level baking zone 53 and lower floor's baking zone 57 is tangent to move out of baking oven through tension mechanism 51, is accomplished the dry or foaming of the bed of material 41 goods all the time.Each is connected the said first switching-over roller 55, the second switching-over roller 60 with cover power set; Power set comprise motor and decelerator; The first switching-over roller 55, second commutates roller 60 respectively by a cover motor and decelerator drive; The first switching-over roller 55, the second switching-over roller 60 rotate around the roller axle center through the reducing gear transmission by motor, the speed operation of traction goods to set.Upper strata baking zone 52, middle level baking zone 53 are identical with lower floor baking zone 57 structures; Constitute by the some deflector rolls that are provided with at interval 50; The length direction of deflector roll 50 is the width extension along casing 45, and the arrangement that deflector roll 50 forms is the continuous arch that forms along casing 45 suitable long axle center to extension and each deflector roll 50.Be provided with column 49 and longeron 58 in the said casing 45; Several that column 49 is provided with for vertical spacing; The deflector roll 50 of upper strata baking zone 52, middle level baking zone 53 and lower floor's baking zone 57 all is arranged on the roll shaft; Roll shaft is arranged on the bearing block, and the deflector roll 50 in upper strata baking zone 52 and the middle level baking zone 53 is arranged on the column 49 through bearing block separately, and the deflector roll 50 of said lower floor baking zone 57 is arranged on the longeron 58 through its bearing block; Longeron 58 is positioned at casing 45 and suitable long to horizontal-extending along casing 45; The deflector roll 50 of lower floor's baking zone 57 is arranged at the quantity that can be convenient to control flexibly deflector roll 50 on the longeron 58, and since the goods of the bed of material 41 through the air cooking of upper strata baking zone 52 and middle level baking zone 53, the bed of material 41 goods deliquescing; When the bed of material 41 goods process lower floor baking zone 57; For fear of between two deflector rolls 50 of the bed of material 41 in lower floor's baking zone 57 tenesmus, so deflector roll 50 arranging densities of lower floor's baking zone 57 greater than deflector roll 50 arranging densities of upper strata baking zone 52 and deflector roll 50 arranging densities of middle level baking zone 53, promptly the quantity of the deflector roll 50 of lower floor's baking zone 57 is greater than the deflector roll 50 of upper strata baking zone 52 and middle level baking zone 53.Said hot-flow flue comprises at upper air duct above the upper strata baking zone 52 and the lower air duct between middle level baking zone 53 and lower floor's baking zone 57; Said upper air duct is arranged at bellows unit 48 in the casing 45 by several and forms and cover upper strata baking zone 52; The bellows unit 48 of upper air duct is unidirectional air-supply structure down, and the bottom surface of the bellows unit 48 of upper air duct is provided with tens of dispatch hot blast nozzles 46 of downward air-supply; Said lower air duct covers middle level baking zone 53 or lower floor's baking zone 57; And also form by several bellows unit 59 that are arranged in the casing 45; The bellows unit 59 of lower air duct is two-way air-supply structure up and down; What the corresponding respectively middle level of bellows unit 59 end faces and the bottom surface baking zone 53 of lower air duct and lower floor's baking zone 57 were provided with upwards air-supply, air-supply downwards send hot blast nozzle 46, and the hot blast nozzle 46 that send of upwards air-supply, air-supply downwards also respectively is provided with tens of rows, send hot blast nozzle 46 all to blow to product surface; The wind direction unit 48,59 of said upper air duct and lower air duct all is provided with split flow plate and volume adjusting apparatus; Split flow plate, volume adjusting apparatus make the transverse temperature uniformity with the control of hot blast horizontal partition, split flow plate, volume adjusting apparatus and send hot blast nozzle 46 to be prior art not to be described in detail admittedly; Corresponding up and down two bellows unit 48 in said upper air duct and the lower air duct, be communicated with secondary air channel 47 between 59; Like this; The outer air feed system of baking oven can be that upper and lower air channel ventilates through secondary air channel 47; The hot blast temperature height all can be set by technological requirement, and whole baking oven is divided into a plurality of different temperatures zone along the goods trend, all can set arbitrarily and constant temperature.
Said Zigzag type baking oven increases the number of plies of baking zone in casing, therefore can under the situation that does not increase baking oven length, enhance productivity; Guarantee quality of item; The goods of the bed of material can repeatedly come and go in baking oven, and the running length in baking oven is equivalent to the length of several baking zones, and reduce floor space; Reduce capital construction and equipment investment, increase economic efficiency.
Like Fig. 8, Fig. 9 and shown in Figure 10; Described automatic applying is put cloth apparatus 12 and is comprised operating platform 91; The moving direction of operating platform 91 upper edge base cloths 99 is provided with double unreeling structure 92, mop roller 93, first draw-gear 94 successively, connects cloth platform 95, hold down gag 96 and cloth storage device 97; Cloth storage device 97 goes out cloth one side and is provided with second draw-gear 98; The moving direction of operating platform 91 lower edge base cloths 99 is provided with initiatively spiral spread device 101, three finger edge spreader 102 and fit bodies 103 successively, and base cloth 99 is seen the back off by second draw-gear 98 and carried out spread through active spiral spread device 101; Base cloth 99 refers to see entering fit body 103 off behind the edge spreader 102 stripping limits by said three.Be provided with the mop roller 93 and first fabric guide roll 104 between said draw-gear and the said double unreeling structure 92.Be provided with second fabric guide roll 105 between said second draw-gear 98 and the said active spiral spread device 101.
Like Fig. 8, Fig. 9 with shown in Figure 10 (direction is the moving direction of base cloth 99 shown in Fig. 9 and Figure 10 cathetus arrow; Direction shown in the curve arrow is the rotation direction of spread roller 205); The automatic cloth expanding device of said spiral comprises two staggered spread rollers 205; With spread roller 205 centers is the boundary; Be respectively equipped with dextrorotation screw thread 206 and derotation screw thread 207 on the both side surface of each spread roller 205 center, when making base cloth 99 through spread roller 205 along with the positive and negative screw thread 206,207 that revolves launches to spread roller 205 both sides.
Automatically fit and put cloth apparatus 12 in use, the base cloth 99 on double unreeling structure 92 is drawn by first draw-gear 94 through mop roller 93 and first fabric guide roll, 104 backs, gets into cloth storage device 97 through connecing cloth platform 95 with hold down gag 96 backs; Base cloth 99 in the cloth storage device 97 is drawn by second draw-gear 98; Behind second fabric guide roll 105, fully launched at active spiral spread device 101 places, through referring to send into fit body 103 behind the edge spreader 102 stripping limits three, whole applying process is moved automatically again; Need not artificially pull base cloth 99; Thereby compare and saved labor cost in the past greatly, the quality fluctuation of avoiding manually-operated in the past to bring simultaneously, thus can stabilize and increase product quality.The power set of first, second draw-gear all adopt frequency control motor; Therefore the equal variable ratio frequency changer speed governing of rotating speed that can first, second draw-gear; Rotating speed adjustment through two cover draw-gears; The tension force that the whole series are put cloth in the cloth apparatus all can be controlled, and base cloth can launch automatically as requested and fit with synchronizing speed and product surface.
Water-based synthetic leather production line of the present invention is emitted release liners when work through double release liners unreeling machine 1, release liners gets into storage device 3 via the 89 surface operations of steel deflector roll under the splicing station; Production line was uninterrupted when the release liners that said storage device 3 stores supplied two volume release liners splicings produces continuously.Release liners gets into the accurate coating machine 4 of first (surface layer) through release liners splicing station 2 and storage device 3 and carries out the surface layer making; The polyurethane slurry (lining) or the polyvinyl chloride pulp (lining) of preparation are coated in the release liners tread with the thickness of setting, form the product surface coating.
Goods then get into first drying oven 5 and carry out drying.Employing patented technology " volume adjusting apparatus " and " sending hot blast nozzle " can energy savings in the drying oven 5.After the goods of oven dry get into two roller coolers 6 to carry out cooling and shaping, get into the second accurate coating machine 7 and apply foaming layer, the goods that have foaming layer get into the first multilayer Zigzag type baking oven 8 and foam.Because the water-based synthetic leather is a mechanical foaming, the time of relative organic solvent material product foaming is longer, and the time of goods in baking oven is also longer, and baking oven length is also longer relatively.Present embodiment adopts multilayer Zigzag type baking oven, with length and the minimizing floor space that shortens equipment, and improves work efficiency.Cooling and shaping is carried out through four roller coolers 9 in goods foaming back; Apply adhesive layer and warp second drying oven 11 transpiring moisture surface gel through the 3rd accurate coating machine 10; Put cloth apparatus 12 through automatic applying then and put cloth and base cloth applying automatically with make-up machine 13; The goods of base cloth of having fitted get into the second multilayer Zigzag type baking oven 14 and carry out water evaporates, solidifying and setting, carry out cooling and shaping through multiple roll cooler 15 then.After 18 pairs of goods of release liners stripping off device and release liners were peeled off, goods carried out rolling through cut edge back and release liners of bead cutter 17 Fixed width degree respectively by double coiling machine (goods rolling part 16A and release liners rolling part 16B).
Claims (6)
1. water-based synthetic leather production line; It is characterized in that: by production procedure; Comprise double release liners unreeling machine (1), release liners splicing station (2), storage device (3), the first accurate coating machine (4), first drying oven (5), two roller coolers (6), the second accurate coating machine (7), the first multilayer Zigzag type baking oven (8), four roller coolers (9), the 3rd accurate coating machine (10), second drying oven (11) successively, fit and put cloth apparatus (12), make-up machine (13), the second multilayer Zigzag type baking oven (14), multiple roll cooler, stripping off device, bead cutter and double coiling machine automatically that the double coiling machine comprises goods rolling part (16A) and release liners rolling partly (16B).
2. water-based synthetic leather production line according to claim 1; It is characterized in that: the structure of the said first and second multilayer Zigzag type baking ovens (8), (14) is identical; Include the casing (45) that charging aperture (42) and discharging opening (56) are set; Casing is provided with baking zone and hot-flow flue in (45), and baking zone is made up of the deflector roll (50) that is provided with at interval, and the arrangement that deflector roll (50) forms is suitable long to extension along casing; Said baking zone is divided into and is isometric upper, middle and lower-ranking, is respectively upper strata baking zone (52), middle level baking zone (53) and lower floor's baking zone (57);
In the said two neighbouring baking zones; Tail end and the head end of the baking zone of below of the baking zone of top is the head end formation bed of material of baking zone of tail end and below of the baking zone of corresponding up and down setting of homonymy and the top place of turning back, and the bed of material place of turning back all is provided with the switching-over roller; The switching-over roller is connected with power set;
Said switching-over roller all is arranged at outside the casing (45), said switching-over roller and and the head end of its baking zone that closes on or the casing between the tail end on all be provided for the opening (54) that the bed of material is turned back;
The deflector roll of said bottom baking zone (50) is arranged on the longeron (58), and longeron (58) is positioned at casing and suitable long to horizontal-extending along casing, and the deflector roll arranging density of bottom baking zone is greater than the deflector roll arranging density of other baking zones.
3. water-based synthetic leather production line according to claim 2 is characterized in that: in the said multilayer Zigzag type baking oven:
Said hot-flow flue comprise the upper air duct that is positioned at upper strata baking zone (52) top and be positioned at middle level baking zone (53) and lower floor's baking zone (57) between lower air duct; Said upper air duct covers the upper strata baking zone and is made up of several bellows unit (48); The bellows unit of upper air duct is unidirectional air-supply structure down, and what the bellows unit of upper air duct was provided with downward air-supply send hot blast nozzle (46); Said lower air duct covers middle level baking zone (53) or lower floor's baking zone (57); And also form by several bellows unit (59); The bellows unit (59) of lower air duct is two-way up and down air-supply structure, the top, bellows unit of lower air duct and bottom respectively corresponding middle level baking zone (53) and lower floor's baking zone (57) be provided with upwards air-supply, downward blow send hot blast nozzle (46); Be communicated with secondary air channel (47) between corresponding up and down two bellows unit (48), (59) in said upper air duct and the lower air duct; The corresponding bed of material is provided with the tension mechanism (51) that is used for the tensioning bed of material in the said casing; Said casing is the framework (43) of the rectangular build processed by shaped steel, and the end face of framework (43) and the outer surface of side are equipped with heat-insulation layer (44).
4. water-based synthetic leather production line according to claim 1 is characterized in that:
Said first drying oven (5) is a rectangular frame structure; Comprise framework (61); Framework (61) both sides and top are coated with heat-insulation layer (62), and the traffic direction of the goods of being processed with this production line is a forward direction, and the front and back end of heat-insulation layer is equipped with the opening that supplies the goods turnover; Frame roof is provided with wind exhausting outlet,
Framework is provided with the hot blast unit in (61), and the hot blast unit comprises heat exchanger (68), blower fan (66), upper air duct (77) and lower air duct (78), and upper air duct (77) bottom is provided with send hot blast nozzle (46), send hot blast nozzle (46) towards goods; Lower air duct (78) top is provided with send hot blast nozzle (46), send hot blast nozzle (46) towards goods, and said heat exchanger is provided with the heat-conducting oil heating pipeline in (68).
5. water-based synthetic leather production line according to claim 4 is characterized in that:
Said heat-conducting oil heating pipeline comprise send oily trunk line (71), with send the parallel oil return trunk line (72) that is provided with of oily trunk line (71), with the oil return lateral (74) that send oil content branch pipe(tube) (73) and be communicated with that send oily trunk line (71) to be communicated with oil return trunk line (72); Send oily trunk line (71) and oil return trunk line (72) all to be communicated with through joint first straight tube (75) and two joint first curved pipes (76) at the turning; First straight tube (75) is located between two joint first curved pipes (76), and first straight tube (75) send the angle ε 1 of oily trunk line (71) or oil return trunk line (72), ε 2 to be all the obtuse angle with its both sides; Send oil content branch pipe(tube) (73) and send between the oily trunk line (71) angle γ along the oily flow path direction in edge between the angle δ of oily flow path direction and oil return lateral (74) and the oil return trunk line (72) all smaller or equal to 60 °; Send oil content branch pipe(tube) (73) and oil return lateral (74) all to be communicated with through joint second straight tube (70) and joint second curved pipe (121) at the turning, wherein second straight tube (70) respectively with the angle ζ that send oil content branch pipe(tube) (73) and oil return lateral (74) more than or equal to 120 °.
6. according to each described water-based synthetic leather production line in the claim 1 to 5; It is characterized in that: described automatic applying is put cloth apparatus and is comprised operating platform (91); The moving direction of operating platform (91) upper edge base cloth (99) is provided with double unreeling structure (92), mop roller (93), first draw-gear (94) successively, connects cloth platform (95), hold down gag (96) and cloth storage device (97); Cloth storage device (97) goes out cloth one side and is provided with second draw-gear (98); The moving direction of operating platform (91) lower edge base cloth (99) is provided with initiatively spiral spread device (101), three finger edge spreader (102) and fit bodies (103) successively, and base cloth (99) is seen the back off by second draw-gear (98) and carried out spread through active spiral spread device (101); Base cloth (99) refers to see entering fit body (103) off behind edge spreader (102) the stripping limit by said three; Be provided with mop roller (93) and first fabric guide roll (104) between said draw-gear and the said double unreeling structure (92); Be provided with second fabric guide roll (105) between said second draw-gear (98) and the said active spiral spread device (101).
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| CN2012102632539A CN102765242A (en) | 2012-07-27 | 2012-07-27 | Aqueous synthetic leather production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102632539A CN102765242A (en) | 2012-07-27 | 2012-07-27 | Aqueous synthetic leather production line |
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| CN102765242A true CN102765242A (en) | 2012-11-07 |
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| CN103836900A (en) * | 2014-03-18 | 2014-06-04 | 新乡市鼎鑫机械有限公司 | Heat exchanging device of plasticizing oven of artificial leather and synthetic leather production line |
| CN103835143A (en) * | 2014-03-18 | 2014-06-04 | 新乡市鼎鑫机械有限公司 | Heat conveying device of plasticizing drying oven for artificial leather synthetic leather production line |
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| CN109183432A (en) * | 2018-10-12 | 2019-01-11 | 浙江禾欣新材料有限公司 | A kind of efficient save space energy-saving baking box of use for synthetic leather |
| CN109267365A (en) * | 2018-10-12 | 2019-01-25 | 浙江禾欣新材料有限公司 | A kind of use for synthetic leather intelligent and high-efficiency save space environmental protection dry process production line |
| CN114481499A (en) * | 2020-10-23 | 2022-05-13 | 宁波加利得仿生材料有限公司 | Production equipment and method of through-hole environment-friendly resin fiber cloth |
| CN114953295A (en) * | 2022-03-31 | 2022-08-30 | 杭州卡洛实业有限公司 | Water-based ecological leather production line and production process thereof |
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Application publication date: 20121107 |