The glue spreading apparatus of coating machine
Technical field
The utility model relates to the coating machine technical field, specifically, relates to a kind of glue spreading apparatus of coating machine.
Background technology
Coating machine is to be used for flexible substrate in rolling, as: be coated with glue, coating or the printing ink etc. of last layer specific function on the plastic sheetings such as paper, cloth, leather, aluminium foil, PVC or PP film, and the equipment of oven dry back rolling.Coating machine mainly comprises glue spreading apparatus, drying unit and wrap-up.The glue spreading apparatus of existing coating machine generally includes a sizing material groove, be provided with in the sizing material groove and be used to treat the upper glue roller that is coated with the substrate surface gluing, the defective that this glue spreading apparatus exists is: in order to guarantee the adhesion strength of base material and glue, usually need be at the thicker glue of substrate surface coating, so not only make the in uneven thickness of rubberised layer, and can consume a large amount of glues, cause unnecessary waste.
The utility model content
Technical problem to be solved in the utility model is: a kind of glue spreading apparatus of coating machine is provided, and this glue spreading apparatus not only makes the thickness of rubberised layer even, and can reduce the consumption of glue, avoids waste.
For solving the problems of the technologies described above, the technical solution of the utility model is: the glue spreading apparatus of coating machine, comprise support, be arranged at the sizing material groove on the described support, rotate in the described sizing material groove and be provided with the upper glue roller that is used for the substrate surface gluing, side of advancing base material near described sizing material groove is provided with first deflector roll, side that goes out base material near described sizing material groove is provided with second deflector roll, rotate between described upper glue roller and described second deflector roll and be provided with the frictioning rod, the outer circumference surface of described frictioning rod contacts with the coated face of base material, and the rotation direction of described frictioning rod is opposite with the direction that base material advances.
As optimized technical scheme, described frictioning rod is provided with externally threaded threaded bar for the surface.
Owing to adopted technique scheme, the beneficial effects of the utility model are: because glue spreading apparatus of the present utility model rotates between the upper glue roller and second deflector roll and is provided with the frictioning rod, the outer circumference surface of described frictioning rod contacts with the coated face of base material, the rotation direction of described frictioning rod is opposite with the direction that base material advances, make glue spreading apparatus of the present utility model when operation, the base material of the frictioning rod that rotates after to gluing produces a kind of roll extrusion power, to flat, makes rubberised layer thickness even rubberised layer; Simultaneously, a large amount of glue that scrapes flows to and continues in the sizing material groove to use, and substrate surface only leaves a small amount of glue of enough amounts, has reduced the consumption of glue, has avoided waste.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is the structural representation of the utility model embodiment;
Among the figure: the 1-support; 2-sizing material groove; The 3-supporting seat; 4-frictioning rod; 5-second deflector roll; The 6-upper glue roller; 7-first deflector roll; The 8-base material.
The specific embodiment
As shown in drawings, the glue spreading apparatus of coating machine, comprise support 1, be arranged at the sizing material groove 2 on the described support 1, rotate in the described sizing material groove 2 and be provided with the upper glue roller 6 that is used for base material 8 surface coatings, side of advancing base material near described sizing material groove 2 is provided with first deflector roll 7, side that goes out base material near described sizing material groove 2 is provided with second deflector roll 5, rotate between described upper glue roller 6 and described second deflector roll 5 and be provided with frictioning rod 4, described frictioning rod 4 is by Motor Drive, be arranged at rotationally in the supporting seat 3, supporting seat 3 is arranged on the both sides of support 1, the outer circumference surface of described frictioning rod 4 contacts with the coated face of base material 8, the rotation direction of described frictioning rod 4 is opposite with the direction that base material 8 advances, and arrow is depicted as the direction of advance of base material 8 among the figure.
Wherein, described frictioning rod 4 is provided with externally threaded threaded bar for the surface.During gluing, externally threaded crest partly makes the glue of base material 8 coated faces flow to externally threaded tooth bottom branch, makes the surface of base material 8 can not have a large amount of glues, simultaneously, the glue that keeps is divided in externally threaded tooth bottom, can guarantee the thickness of rubberised layer again, to satisfy the adhesion requirement of base material.
The above is giving an example of the utility model preferred forms, and the part of wherein not addressing in detail is those of ordinary skills' common practise.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation that carries out based on technology enlightenment of the present utility model is also within protection domain of the present utility model.