CN202702813U - Production line for waterborne synthetic leather - Google Patents

Abstract

The utility model discloses a production line for waterborne synthetic leather. The production line is characterized by comprising a two-station release paper unwinding machine, a release paper splicing table, a storage device, a first precision coater, a first drying box, a two-roller cooler, a second precision coater, a first multi-layer turn-back drying box, a four-roller cooler, a third precision coater, a second drying box, an automatic laminating cloth placing device, a laminating machine, a second multi-layer turn-back drying box, a multi-roller cooler, a peeling device, an edge trimmer and a two-station winding machine according to the production process in sequence, wherein the two-station winding machine comprises a product winding part and a release paper winding part. The production line is simple in layout and can meet the production requirement of the waterborne synthetic leather, and the waterborne synthetic leather is produced on a large scale; and by using the turn-back drying boxes, the length of the drying boxes is increased, and a product is dried in the drying boxes for a long time, so that the drying boxes adapt to the drying and foaming characteristics of the waterborne product, production efficiency is improved, the quality of the product is ensured, occupied area and cost are reduced, and benefits are increased.

Description

The Waterborne synthetic leather production line

Technical field

The utility model 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 technique and organic solvent shaped material, and the volatilization of organic solvent is the source of environmental pollution in the material; These pollutions need to be reclaimed by end and be administered.Traditional solvent-borne type product producing process equipment is except blowing oven is two air channels, drying oven all is single air channels, the blowing oven blowing temperature is the high temperature foaming, and it all is existing matured products that the environmental pollution that solvent evaporates produces need be disposed DOP and DMF(DOP and DMF retracting device) the retracting device solution.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 Waterborne synthetic leather.

Because the solvent in water-based artificial leather and the Waterborne synthetic leather material is 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 in the existing production line fully.About the preparation of water-based artificial leather, Chinese patent application CN201110232140.8 discloses environment-friendly water-based synthetic leather of a kind of super fibre and preparation method thereof, wherein only discloses process, does not disclose production equipment.Do not have at present ripe Waterborne synthetic leather equipment to be suitable for, make the water-based artificial leather can not large-scale production, cause still needing in the present industrial production to use traditional handicraft and organic solvent shaped 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, dividing pipeline to enter main line often vertically connects, 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, affects heating effect, cause and send oil and the oil return temperature difference to increase, cause energy waste.

At present, need to use the release paper pay-off machine that 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 Waterborne synthetic leather production line equally, but the Waterborne synthetic leather production line also need to be in 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 at present ripe Waterborne synthetic leather production line comes Waterborne synthetic leather is carried out suitability for industrialized production.

Summary of the invention

The purpose of this utility model is to provide a kind of release liners support methods Waterborne synthetic leather production line that is applicable to.

For achieving the above object, Waterborne synthetic leather production line of the present utility model comprises by production procedure, comprise successively the double release paper pay-off machine, the release liners splicing station, storage device, the first precision coating machine, the first drying oven, two roller coolers, the second precision coating machine, the first multilayer fold-back drying oven, four roller coolers, the 3rd precision coating machine, the second drying oven, automatic attaching is put cloth apparatus, make-up machine, the second multilayer fold-back drying oven, the multiple roll cooler, stripping off device, bead cutter, with the double coiling machine, the double coiling machine comprises goods rolling part and release liners rolling part.

Described the first and second multilayer fold-back drying 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, baking zone is made of the deflector roll that the interval arranges, the arrangement that deflector roll forms is suitable long to extension along casing, described 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 described two neighbouring baking zones, tail end and the head end of the baking zone of below of the baking zone of top is the up and down head end formation bed of material of the baking zone of the tail end of the baking zone of corresponding setting and top and the below place of turning back of homonymy, and the bed of material place of turning back all arranges the commutation roller; The commutation roller is connected with power set; Described commutation roller all is arranged at outside the casing, described commutation 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 described 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 described multilayer fold-back drying oven: described hot-flow flue comprises at the 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, described upper air duct covers the upper strata baking zone and is comprised 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; Described lower air duct covers middle level baking zone or lower floor's baking zone, and also formed by several bellows unit, the bellows unit of lower air duct is two-way up and down air-supply structure, and the top, bellows unit of lower air duct and bottom respectively corresponding 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; In described upper air duct and the lower air duct up and down corresponding two bellows unit, between be communicated with secondary air channel; The corresponding bed of material is provided with the tension mechanism for the tensioning bed of material in the described casing; Described casing is the framework of the rectangular build made by shaped steel, and the end face of framework and the outer surface of side are equipped with heat-insulation layer.

Described the first drying oven is 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 take this production line is as forward direction, and the front and back end of heat-insulation layer is equipped with the opening for 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 described heat exchanger;

Described heat-conducting oil heating pipeline comprise send oily trunk line, with send the parallel oil return trunk line that arranges of oily trunk line, with the oil return lateral that send the oil content branch pipe(tube) and be communicated with the oil return trunk line that send oily trunk line to be communicated with, send oily trunk line and oil return trunk line all to be communicated with by joint first straight tube and two joints the first curved pipe at the turning, the first straight tube is located between two joints the first curved pipe, and the 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 along between the angle δ of oily flow path direction and oil return lateral and the oil return trunk line along the angle γ of oily flow path direction all less than or equal to 60 °; Send oil content branch pipe(tube) and oil return lateral all to be communicated with by joint second straight tube and a joint the second curved pipe at the turning, wherein the 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 attaching is put cloth apparatus and is comprised operating platform, moving direction along base cloth on the operating platform is provided with successively double-station unwinding mechanism, mop roller, the first draw-gear, connects cloth platform, hold down gag and cloth storage device, cloth storage device goes out cloth one side and is provided with the second draw-gear, moving direction along base cloth under the operating platform is provided with initiatively spiral cloth unfolding device, three finger edge spreader and fit bodies successively, and base cloth carries out spread by active spiral cloth unfolding device after being sent by the second draw-gear; Base cloth is sent after by described three finger edge spreaders stripping limit and is entered fit body; Be provided with mop roller and the first fabric guide roll between described draw-gear and the described double-station unwinding mechanism; Be provided with the second fabric guide roll between described the second draw-gear and the described active spiral cloth unfolding device.

The utlity model has following advantage:

The utility model structural configuration is simple; production characteristics and production requirement according to Waterborne synthetic leather; multiple device is organically combined; make Waterborne synthetic leather production line of the present utility model do as a whole; can adapt to the production requirement of water-based artificial leather; finish the irrealizable function of single parts, i.e. large-scale production water-based artificial leather.The drying of water-based leather goods is to realize (can not form pollution in this process) by the evaporation water molecule, 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 relatively long, and namely the time of goods in baking oven is relatively long.Adopt " fold-back drying oven ", prolonged baking oven length, make the time of goods in baking oven longer, thereby the characteristic of and foaming dry with water-based product adapts.

The characteristics of fold-back drying oven are the numbers of plies that increases baking zone in the situation that does not increase baking oven length in the utility model, 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, drying and the foamed time of goods have been guaranteed, 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 utility model, send oily trunk line and oil return trunk line to adopt the arc-shaped structure group at obtuse angle at the turning in the heat-conducting oil heating pipeline, branch line is connected with main line along the formation of flow of hot direction less than 60 ° of angles, 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, improve heating effect, reduce and send oil and the oil return temperature difference, reach the purpose of energy savings.

Description of drawings

Fig. 1 is structural representation of the present utility model;

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 fold-back drying oven;

Fig. 5 is the structural representation of heat-conducting oil heating pipeline;

Fig. 6 is the top view of Fig. 5;

Fig. 7 is the left view of Fig. 5;

Fig. 8 is the structural representation that automatic attaching is put cloth apparatus;

Fig. 9 is the enlarged drawing of spiral cloth unfolding device among Fig. 8;

Figure 10 is the right view of Fig. 9.

The specific embodiment

As shown in Figure 1, Waterborne synthetic leather production line of the present utility model comprises double release paper pay-off machine 1 successively by production procedure, release liners splicing station 2, storage device 3, first (surface layer) precision coating machine 4, the first drying oven 5, two roller coolers 6, second (foaming) precision coating machine 7, the first multilayer fold-back (foaming) baking oven 8, four roller coolers 9, the 3rd (laminating layer) precision coating machine 10, the second drying oven 11, automatic attaching is put cloth apparatus 12, make-up machine 13, the second multilayer fold-back drying oven 14, multiple roll cooler 15, stripping off device 18, bead cutter 17 and double coiling machine, double coiling machine comprise 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; The first precision coating machine 4, the second precision coating machine 7 and the 3rd precision coating machine 10 all adopt disclosed precision coating machine among the applicant's the patent ZL 201120089347.X; Stripping off device 18 adopts the applicant's the disclosed release paper stripping device of patent ZL201120028240.4; Bead cutter 17 adopts the applicant's patent ZL2011 2 0061665.5(or ZL2011 2 0061644.3 or ZL2011 2 0061663.6) in disclosed bead cutter.Disclosed double coiling machine among double coiling machine employing the applicant's the patent ZL2011 2 0057481.1.Release paper pay-off 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 release paper pay-off machine 1 and release liners splicing station 2, concrete structure no longer describes in detail.

As shown in Figure 3, described (double) release paper pay-off machine 1 comprises and unreels frame 81, unreels frame 81 and is provided with centering body 82, unreeling shaft 83 and unreeling shaft for subsequent use 84, and unreeling shaft 83 and unreeling shaft for subsequent use 84 1 ends all dispose tension braker 85; Unwinding device integral body is prior art.

As shown in Figure 3, described release liners splicing station comprises that splicing panel 87 and two covers that splicing station frame 86 and splicing station frame 86 arrange above clamp device, described clamping device is comprised of upper rubber coated pressure bowl 88 and lower steel deflector roll 89, and described upper rubber coated pressure bowl 88 does not rotate and moved up and down by clamping cylinder 90 drives.Upper rubber coated pressure bowl 88 and lower steel deflector roll 89 are in released state during normal production, and two upper rubber coated pressure bowls 88 fall simultaneously during joint, will unreel the terminal and backup station release liners head end of station release liners and clamp to be pressed in and splice on the panel 87, and release liners is spliced.

As depicted in figs. 1 and 2, described the first drying oven 5 is rectangular frame structure, comprise framework 61, framework 61 both sides and top are coated with heat-insulation layer 62, the traffic direction of the goods of being processed take this production line is as forward direction, the front and back end of heat-insulation layer 62 is equipped with for the opening of goods turnover (opening is routine techniques, and figure does not show); 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 described heat exchanger 68.Wherein, establish split flow plate and volume adjusting apparatus in the hot-flow flue; The split flow plate is prior art, and figure does not show; Disclosed air volume adjusting device of artificial leather foaming drying oven among volume adjusting apparatus employing the applicant's the patent ZL 2,009 2 0258077.3.The described tuyere that send disclosed blowing oven among the patent ZL 2,009 2 0091398.9 that hot blast nozzle adopts the applicant everywhere.

Such as Fig. 5, Fig. 6 and shown in Figure 7, described heat-conducting oil heating pipeline comprises and send oily trunk line 71, with the oil return trunk lines 72 that send oily trunk line 71 parallel settings, with the oil return lateral 74 that send oil content branch pipe(tube) 73 and be communicated with oil return trunk line 72 that send oily trunk line 71 to be communicated with, send oily trunk line 71 and oil return trunk line 72 all to be communicated with by joint first straight tube 75 and two joints the first curved pipe 76 at the turning, the first straight tube 75 is located between two joints the first curved pipe 76, and the angle ε 1 of oily trunk line 71 or oil return trunk line 72 is sent in the first straight tube 75 and its both sides, ε 2 is all the obtuse angle.Send oil content branch pipe(tube) 73 and send between the oily trunk line 71 along between the angle δ of oily flow path direction and oil return lateral 74 and the oil return trunk line 72 along the angle γ of oily flow path direction all less than or equal to 60 °.Send oil content branch pipe(tube) 73 and oil return lateral 74 all to be communicated with by joint second straight tube 70 and a joint the second curved pipe 121 at the turning, wherein the 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, the 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 along between the angle δ of oily flow path direction and oil return lateral 74 and the oil return trunk line 72 along the angle γ of oily flow path direction all less than or equal to 60 °, the boiler oil-out send the oily trunk line 71 should be point-blank with main, the 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, flow velocity is accelerated, 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, described fold-back drying oven comprises the casing 45 that charging aperture 42 and discharging opening 56 are set, described casing 45 is the framework 43 of the rectangular build made by shaped steel, the end face of framework 43 and the outer surface of side are equipped with the heat-insulation layer 44 that is comprised of warming plate, the end outer surface of casing 45 does not arrange heat-insulation layer, and heat-insulation layer 44 is used for insulation.Casing 45 interior baking zone and the hot-flow flues of arranging, described baking zone is upper, middle and lower-ranking altogether, the length direction of casing 45 is 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 described casing 45 interior corresponding bed of materials 41 are provided with the tension mechanism 51 for the tensioning bed of material 41, and tension mechanism 51 is positioned at the top of upper strata baking zone 52.Tension mechanism 51 is prior art, so be not described in detail.In the described two neighbouring baking zones, tail end and the head end of the baking zone of below of the baking zone of top is the up and down head end formation bed of material of the baking zone of the tail end of the baking zone of corresponding setting and top and the below place of turning back of homonymy, be that the bed of material 41 upstream ends of same baking zone are the head end of 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 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 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 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, 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, first, the second bed of material place of turning back arranges respectively the first commutation roller 55, the second commutation roller 60, described the first commutation roller 55, the second commutation roller 60 all is arranged at outside the casing 45, the first commutation roller 55, the second commutation 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: i.e. the first commutation roller 55, the second commutation roller 60 lays respectively at outside the two ends, the left and right sides of casing 45, casing 45 right-hand members two openings 54 setting up and down, casing 45 left ends are two openings 54 setting up and down also, the bed of material 41 is entered in the casing 45 from charging aperture 42, head through upper strata baking zone 52, tail end passes outside the casing 45 again, walking around the first commutation turns back behind the roller 55 again and enters in the casing 45, head end through middle level baking zone 53, tail end passes outside the casing 45 again, walk around the second commutation and turn back again behind the roller 60 and enter in the casing 45, through the head end of lower floor's baking zone 57, tail end is discharged from casing 45 discharging openings 56 again.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 finished the dry or foaming of the bed of material 41 goods all the time.Described the first commutation roller 55, the second commutation roller 60 respectively are connected with cover power set, power set comprise motor and decelerator, the first commutation roller 55, the second commutation roller 60 are driven by a cover motor and decelerator respectively, the first commutation roller 55, the second commutation 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, the some deflector rolls 50 that arrange by the interval consist of, the length direction of deflector roll 50 is the width extension along casing 45, and the arrangement that deflector roll 50 forms is along the continuous arch that forms in casing 45 suitable long axle center to extension and each deflector roll 50.Be provided with column 49 and longeron 58 in the described casing 45, several that column 49 arranges for vertical spacing, upper strata baking zone 52, the deflector roll 50 of 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, deflector roll 50 in upper strata baking zone 52 and the middle level baking zone 53 is arranged on the column 49 by bearing block separately, the deflector roll 50 of described lower floor baking zone 57 is arranged on the longeron 58 by 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 because the goods of the bed of material 41 are 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 tenesmus between two deflector rolls 50 of the bed of material 41 in lower floor's baking zone 57, so deflector roll 50 arranging densities of lower floor's baking zone 57 are 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, namely 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.Described hot-flow flue comprises at the 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, described 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; Described lower air duct covers middle level baking zone 53 or lower floor's baking zone 57, and also formed by several bellows unit 59 that are arranged in the casing 45, the bellows unit 59 of lower air duct is two-way up and down air-supply structure, bellows unit 59 end faces of lower air duct and bottom surface respectively corresponding middle level baking zone 53 and lower floor's baking zone 57 are provided with upwards air-supply, air-supply downwards send hot blast nozzle 46, upwards air-supply, the hot blast nozzle 46 that send of air-supply also respectively arranges tens of rows downwards, send hot blast nozzle 46 all to blow to product surface, the wind direction unit 48 of described upper air duct and lower air duct, 59 all arrange split flow plate and volume adjusting apparatus, the split flow plate, volume adjusting apparatus is controlled the hot blast horizontal partition, make the transverse temperature uniformity, the split flow plate, volume adjusting apparatus and send hot blast nozzle 46 to be prior art admittedly not to be described in detail; Be communicated with secondary air channel 47 between the corresponding two bellows unit 48,59 up and down in described upper air duct and the lower air duct, like this, the outer air feed system of baking oven can be that upper and lower air channel ventilates by secondary air channel 47, the hot blast temperature height all can be set by technological requirement, whole baking oven is divided into a plurality of different temperatures zone along the goods trend, but equal Set arbitrarily and constant temperature.

Described fold-back drying oven increases the number of plies of baking zone in casing, therefore can be in 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.

Such as Fig. 8, Fig. 9 and shown in Figure 10, described automatic attaching is put cloth apparatus 12 and is comprised operating platform 91, moving direction along base cloth 99 on the operating platform 91 is provided with double-station unwinding mechanism 92 successively, mop roller 93, the first draw-gear 94, connect 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 the second draw- gear 98,91 times moving directions along base cloth 99 of operating platform are provided with initiatively spiral cloth unfolding device 101 successively, three finger edge spreaders 102 and fit body 103, base cloth 99 carry out spread by active spiral cloth unfolding device 101 after being sent by the second draw-gear 98; Base cloth 99 is sent after by described three finger edge spreaders 102 stripping limits and is entered fit body 103.Be provided with mop roller 93 and the first fabric guide roll 104 between described draw-gear and the described double-station unwinding mechanism 92.Be provided with the second fabric guide roll 105 between described the second draw-gear 98 and the described active spiral cloth unfolding device 101.

Such as 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 described spiral comprises two staggered spread rollers 205, take spread roller 205 centers as 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 by spread roller 205 along with the positive and negative screw thread 206,207 that revolves launches to spread roller 205 both sides.

Automatic attaching is put cloth apparatus 12 in use, and the base cloth 99 in the double-station unwinding mechanism 92 is drawn by the first draw-gear 94 after through mop rollers 93 and the first fabric guide roll 104, enters cloth storage device 97 after connecing cloth platform 95 and hold down gag 96; Base cloth 99 in the cloth storage device 97 is drawn by the second draw-gear 98, behind the second fabric guide roll 105, fully launched at active spiral cloth unfolding device 101 places, again through behind three finger edge spreaders, 102 stripping limits, sending into fit body 103, whole applying process is moved automatically, need not manually pull base cloth 99, thereby compare and greatly saved labor cost in the past, the quality fluctuation of avoiding simultaneously in the past manually-operated to bring, 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, adjustment of rotational speed by 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 is Automatic-expanding and fit with synchronizing speed and product surface as requested.

Waterborne synthetic leather production line of the present utility model is emitted release liners when work through double release paper pay-off machine 1, release liners enters 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 described storage device 3 stores was spliced for two volume release liners produces continuously.Release liners enters first (surface layer) precision coating machine 4 through release liners splicing station 2 and storage device 3 and carries out surface layer and make, polyurethane slurry (fabric) or the polyvinyl chloride pulp (fabric) of preparation are coated in release liners decorative pattern surface with the thickness of setting, form the product surface coating.

Goods then enter the first drying oven 5 and carry out drying.Drying oven 5 interior employing patented technologies " volume adjusting apparatus " and " sending hot blast nozzle " can energy savings.The goods of drying enter two roller coolers 6 and carry out entering behind the cooling and shaping the second precision coating machine 7 and apply foaming layers, enter the first multilayer fold-back drying oven 8 with the goods of foaming layer and foam.Because Waterborne synthetic leather is 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 relatively long.Present embodiment adopts multilayer fold-back drying oven, with length and the minimizing floor space that shortens equipment, and improves work efficiency.Carry out cooling and shaping by four roller coolers 9 after the goods foaming, through the 3rd precision coating machine 10 coating adhesive layers and through the second drying oven 11 transpiring moisture surface gel, then put by automatic attaching that cloth apparatus 12 and make-up machine 13 carry out automatic releasing cloth and base cloth is fitted, the goods of base cloth of having fitted enter the second multilayer fold-back drying oven 14 and carry out moisture evaporation, solidifying and setting, then carry out cooling and shaping by multiple roll cooler 15.After 18 pairs of goods of release paper stripping device and release liners were peeled off, goods carried out respectively rolling with release liners by double coiling machine (goods rolling part 16A and release liners rolling part 16B) after bead cutter 17 Fixed width degree are cut edge.

Claims (6)

1. Waterborne synthetic leather production line, it is characterized in that: by production procedure, comprise successively double release paper pay-off machine (1), release liners splicing station (2), storage device (3), the first precision coating machine (4), the first drying oven (5), two roller coolers (6), the second precision coating machine (7), the first multilayer fold-back drying oven (8), four roller coolers (9), the 3rd precision coating machine (10), the second drying oven (11), automatic attaching is put cloth apparatus (12), make-up machine (13), the second multilayer fold-back drying oven (14), the multiple roll cooler, stripping off device, bead cutter, with the double coiling machine, the double coiling machine comprises goods rolling part (16A) and release liners rolling part (16B).

2. Waterborne synthetic leather production line according to claim 1, it is characterized in that: described the first and second multilayer fold-back drying ovens (8), (14) structure is identical, include the casing (45) that charging aperture (42) and discharging opening (56) are set, casing arranges baking zone and hot-flow flue in (45), baking zone is made of the deflector roll (50) that the interval arranges, the arrangement that deflector roll (50) forms is suitable long to extension along casing, described baking zone is divided into as isometric upper, in, lower three layers, be respectively upper strata baking zone (52), middle level baking zone (53) and lower floor's baking zone (57);

In the described two neighbouring baking zones, tail end and the head end of the baking zone of below of the baking zone of top is the up and down head end formation bed of material of the baking zone of the tail end of the baking zone of corresponding setting and top and the below place of turning back of homonymy, and the bed of material place of turning back all arranges the commutation roller; The commutation roller is connected with power set;

Described commutation roller all is arranged at outside the casing (45), described commutation 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 described 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. Waterborne synthetic leather production line according to claim 2 is characterized in that: in the described multilayer fold-back drying oven:

Described 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, described upper air duct covers the upper strata baking zone and is comprised 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); Described lower air duct covers middle level baking zone (53) or lower floor's baking zone (57), and also formed 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, blow downwards send hot blast nozzle (46); Be communicated with secondary air channel (47) between corresponding two bellows unit (48), (59) up and down in described upper air duct and the lower air duct; The corresponding bed of material is provided with the tension mechanism (51) for the tensioning bed of material in the described casing; Described casing is the framework (43) of the rectangular build made by shaped steel, and the end face of framework (43) and the outer surface of side are equipped with heat-insulation layer (44).

4. Waterborne synthetic leather production line according to claim 1 is characterized in that:

Described the first drying oven (5) is 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 take this production line is as forward direction, and the front and back end of heat-insulation layer is equipped with the opening for 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 described heat exchanger is provided with the heat-conducting oil heating pipeline in (68).

5. Waterborne synthetic leather production line according to claim 4 is characterized in that:

Described heat-conducting oil heating pipeline comprises and send oily trunk line (71), with the oil return trunk line (72) that send the parallel setting of oily trunk line (71), with the oil return lateral (74) that send oil content branch pipe(tube) (73) and be communicated with oil return trunk line (72) that send oily trunk line (71) to be communicated with, send oily trunk line (71) and oil return trunk line (72) all to be communicated with by joint first straight tube (75) and two joint the first curved pipes (76) at the turning, the first straight tube (75) is located between two joint the first curved pipes (76), and the angle ε 1 of oily trunk line (71) or oil return trunk line (72) is sent in the first straight tube (75) and its both sides, ε 2 is all the obtuse angle; Send oil content branch pipe(tube) (73) and send between the oily trunk line (71) along between the angle δ of oily flow path direction and oil return lateral (74) and the oil return trunk line (72) along the angle γ of oily flow path direction all less than or equal to 60 °; Send oil content branch pipe(tube) (73) and oil return lateral (74) all to be communicated with by joint second straight tube (70) and joint second curved pipe (121) at the turning, wherein the 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. each described Waterborne synthetic leather production line in 5 according to claim 1, it is characterized in that: described automatic attaching is put cloth apparatus and is comprised operating platform (91), the upper moving direction along base cloth (99) of operating platform (91) is provided with double-station unwinding mechanism (92) successively, mop roller (93), the first draw-gear (94), connect 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 the second draw-gear (98), moving direction along base cloth (99) under the operating platform (91) is provided with initiatively spiral cloth unfolding device (101) successively, three finger edge spreaders (102) and fit body (103), base cloth (99) carry out spread by active spiral cloth unfolding device (101) after being sent by the second draw-gear (98); Base cloth (99) is sent after by described three finger edge spreaders (102) stripping limit and is entered fit body (103); Be provided with mop roller (93) and the first fabric guide roll (104) between described draw-gear and the described double-station unwinding mechanism (92); Be provided with the second fabric guide roll (105) between described the second draw-gear (98) and the described active spiral cloth unfolding device (101).

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