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CN-224227443-U - Leather surface composite production equipment for water-based synthetic leather

CN224227443UCN 224227443 UCN224227443 UCN 224227443UCN-224227443-U

Abstract

The utility model discloses leather surface composite production equipment of water-based synthetic leather, which comprises a release paper feeding device, a water-based polyurethane coating machine, a front-channel baking oven, a foaming water-based resin coating device, a leather material base cloth feeding and wet pasting component, a rear-channel baking oven, a release paper stripping device, a leather material winding device and a paper material winding device which are sequentially arranged on an installation plane, wherein a front-channel cooling device is arranged between the front-channel baking oven and the foaming agent coating device on the installation plane, and a rear-channel cooling device is arranged between the rear-channel baking oven and the release paper stripping device.

Inventors

  • BAO HAIBIN
  • ZHANG BINGLIN
  • CHEN YI

Assignees

  • 张家港市九鸿印染机械有限公司
  • 丽水力泰实业有限公司

Dates

Publication Date
20260512
Application Date
20250621

Claims (8)

  1. 1. The leather surface composite production equipment for the aqueous synthetic leather is characterized by comprising a release paper feeding device, an aqueous polyurethane coating machine, a front drying oven, a foaming aqueous resin coating device, a leather material base cloth feeding and wet pasting component, a rear drying oven, a release paper stripping device, a leather material winding device and a paper material winding device which are sequentially arranged on an installation plane, wherein a front cooling device is arranged between the front drying oven and the foaming agent coating device, a rear cooling device is arranged between the rear drying oven and the release paper stripping device, an aqueous secondary coating machine, a middle drying oven and a middle cooling device are sequentially arranged between the front cooling device and the foaming agent coating device on the installation plane, the front drying oven comprises at least three drying units, the middle drying oven comprises at least three drying units, the rear drying oven comprises at least ten drying units, the drying temperature range is 100-150 ℃, each drying unit is respectively provided with a heating couple and a temperature measuring instrument, and the outer sides of the drying oven units at the foremost end and the rearmost are respectively provided with a feeding power device driving roller.
  2. 2. The leather surface composite production equipment of the water-based synthetic leather as set forth in claim 1, wherein the release paper feeding device comprises a release paper unreeling machine, a paper receiving table and a paper storage frame which are sequentially arranged on an installation plane.
  3. 3. The leather surface composite production equipment of the water-based synthetic leather according to claim 2, wherein the front cooling device, the middle cooling device and the rear cooling device are all water-cooling roller cooling devices.
  4. 4. The apparatus for producing a leather surface composite of aqueous synthetic leather according to claim 3, wherein the subsequent cooling device is an eight-drum water-cooled drum cooling device.
  5. 5. The leather surface composite production equipment for water-based synthetic leather is characterized in that the wet pasting component comprises a frame, a driving roller is rotatably arranged on the frame, one end of a roller shaft of the driving roller penetrating out of the frame is connected with a power device, a driving sprocket is arranged at the other end of the roller shaft of the driving roller penetrating out of the frame, a driven sprocket is arranged below the driving sprocket on the frame, driving chains are sleeved on the driving sprocket and the driven sprocket, a wheel shaft of the driven sprocket is connected with a detection shaft of an angle detector arranged on the frame, a rocker arm is movably sleeved on two ends of the roller shaft of the driving roller on the inner side of the frame respectively, a driven roller is arranged between the two rocker arms in a rotating frame, a horizontal screw rod which is parallel to the radial arrangement of the driven roller is arranged on the frame, an adjusting hand wheel is arranged at the end of the horizontal screw rod, a longitudinal sliding rail is arranged on the rocker arm, and one end of a movable block on the horizontal screw rod is movably clamped in the sliding rail.
  6. 6. The leather surface composite production equipment for the water-based synthetic leather is characterized by comprising a box body, wherein a plurality of free carrier rollers are arranged in the box body, an upper air supply pipeline is arranged above the free carrier rollers in the box body, a lower air supply pipeline is arranged below the free carrier rollers in the box body, a plurality of blowing openings which are opposite to the free carrier rollers are arranged on the upper air supply pipeline, a plurality of blowing openings which are opposite to the free carrier rollers are also arranged on the lower air supply pipeline, a plurality of moisture extraction openings are arranged at the top of the box body, a moisture extraction fan is arranged at the moisture extraction opening, an air supply opening is arranged on the side surface of the box body, a circulating fan is arranged at the lower part of the box body, an air inlet pipe is arranged at the air inlet of the circulating fan, an air outlet pipe is arranged at the air outlet of the circulating fan, and the upper air supply pipeline and the lower air supply pipeline are connected with the air outlet pipe.
  7. 7. The leather surface composite production equipment for the water-based synthetic leather, as set forth in claim 6, is characterized in that the free carrier roller installation height in the feeding side drying unit of the subsequent drying oven is gradually increased along the feeding direction, and the free carrier roller installation height in the discharging side drying unit of the subsequent drying oven is gradually decreased along the feeding direction.
  8. 8. The leather surface composite production equipment of the water-based synthetic leather, as set forth in claim 7, wherein the blowing opening of the drying unit of the front-channel drying oven is in a right triangle shape, the blowing opening of the drying unit of the rear-channel drying oven is in a reverse triangle shape, and the upper part of the blowing opening of the drying unit of the middle-channel drying oven is in a reverse trapezoid shape.

Description

Leather surface composite production equipment for water-based synthetic leather Technical Field The utility model relates to leather surface composite production equipment of water-based synthetic leather. Background Most of the existing synthetic leather is in a base cloth-bonding layer and surface layer structure, and the surface layer and the bonding layer often adopt a large amount of organic solvents, so that the leather material has relatively poor environmental protection. The water-dispersed polyurethane and resin replace the traditional solvent-dissolved polyurethane resin to be used for producing the synthetic leather, and the obtained synthetic leather is the water-based synthetic leather, has better environmental protection and is an important direction of the development of the current synthetic leather. The water-based synthetic leather is generally a multilayer structure of a surface layer (one or more layers of water-based polyurethane), a foaming bonding layer (water-based resin) and a base cloth, and the production line of the original synthetic leather cannot be directly adopted in the production of the synthetic leather with the structure. And the evaporation heat consumption of water is far greater than that of an organic solvent, so that the heat required in the drying process is large, the drying rate is low, and the problem to be considered in the equipment design is also solved. Disclosure of utility model The utility model aims to solve the technical problem of providing leather surface composite production equipment of water-based synthetic leather. The technical scheme includes that the leather surface composite production equipment for the aqueous synthetic leather comprises a release paper feeding device, an aqueous polyurethane coating machine, a front-channel baking oven, a foaming aqueous resin coating device, a leather material base cloth feeding and wet pasting component, a rear-channel baking oven, a release paper stripping device, a leather material rolling device and a paper material rolling device which are sequentially arranged on an installation plane, wherein a front-channel cooling device is arranged between the front-channel baking oven and the foaming agent coating device on the installation plane, and a rear-channel cooling device is arranged between the rear-channel baking oven and the release paper stripping device. As a preferable scheme, a water-based polyurethane secondary coating machine, a middle-channel oven and a middle-channel cooling device are sequentially arranged between the front-channel cooling device and the foaming agent coating device on the installation plane. As a preferable scheme, the release paper feeding device comprises a release paper unreeling machine, a paper receiving table and a paper storage frame which are sequentially arranged on the installation plane. As a preferable mode, the front-path cooling device, the middle-path cooling device and the rear-path cooling device are all water-cooled roller cooling devices. As a preferable mode, the back-end cooling device is a water-cooled roller cooling device of eight rollers. As a preferred scheme, wet subsides subassembly includes the frame, rotate in the frame and be equipped with the drive roll, the one end that the roller of drive roll worn out the frame is connected with power device, the other end that the roller of drive roll worn out the frame is equipped with the drive sprocket, be equipped with driven sprocket below the drive sprocket in the frame, the cover is equipped with drive chain on drive sprocket and the driven sprocket, driven sprocket's shaft is connected with the detection axle of the angle detector that sets up in the frame, the movable sleeve is equipped with a rocking arm respectively on the both ends of the inboard of frame of roller of drive roll, the rotating turret is equipped with the passive roller between two rocking arms, be equipped with the horizontal lead screw that is on a parallel with passive roller radial arrangement in the frame, the tip of horizontal lead screw is equipped with the regulating handwheel, be equipped with fore-and-aft slide rail on the rocking arm, movable block one end activity card on the horizontal lead screw is established in the slide rail. As a preferable scheme, the front-channel oven comprises at least three drying units, the middle-channel oven comprises at least three drying units, the rear-channel oven comprises at least ten drying units, the drying temperature interval is 100-150 ℃, each drying unit is respectively provided with a heating couple and a thermometer, and the outer sides of the oven units at the foremost end and the rearmost end are respectively provided with a feeding roller driven by a feeding power device. As a preferable scheme, the drying unit comprises a box body, wherein a plurality of free carrier rollers are arranged in the box body, an upper air supply pipeline is arranged above the free carrier