CN115633831A - Coating equipment and coating method for leather shoes - Google Patents

Abstract

The invention discloses a coating device for leather shoes, which comprises a coating device, a turnover device and a combined workbench, wherein the coating device comprises a coating head, a feeding device and a feeding device; the coating device is internally provided with leather adhesive and comprises a shoe body coating machine and a sole coating machine, wherein the shoe body coating machine is used for coating the leather adhesive to the bottom of the shoe body, and the sole coating machine is used for coating the leather adhesive to the sole; the turnover device is positioned between the sole coating machine and the combined workbench, and the turnover device turns the sole so that the side of the sole with the leather adhesive faces upwards; and one side of the combination workbench receives the sole turned by the turning device, the other side of the combination workbench receives the shoe body applied by the shoe body applicator, and the shoe body and the sole are bonded and combined on the combination workbench. The invention also discloses an application method. The leather adhesive can be automatically coated on the sole and the shoe body, and the sole can be turned over, so that the sole and the shoe body can be conveniently bonded, and the production efficiency is improved.

Description

Coating equipment and coating method for leather shoes

Technical Field

The invention relates to the technical field of leather shoe manufacturing, in particular to a coating device and a coating method for leather shoes.

Background

The leather shoes are formed by sewing, gluing or injection molding and the like by taking natural leather as a vamp and leather or rubber, plastic, PU foaming, PVC and the like as a sole. In the production process of leather shoes, the sole and the body are usually produced separately, and after production, a worker can bond the sole and the body to obtain the complete leather shoes.

When a manufacturer produces leather shoes, the leather shoes need to be glued, for example, leather adhesive is used for smearing the soles and the shoe bodies, and then the soles and the shoe bodies are attached, so that the leather shoes are manufactured.

The traditional method for gluing leather shoes in a manufacturer is to glue leather shoes manually, namely, workers manually coat leather adhesive on soles of the leather shoes and then attach the soles to shoe bodies, however, certain errors exist in the manual attachment of the shoe bodies and the soles, so that the shoe bodies and the soles cannot be accurately attached, meanwhile, the manual gluing is not beneficial to the health of the workers, and the efficiency of manually attaching the soles of the leather shoes and the shoe bodies is low. In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art and have developed the present invention.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, a first object of the present invention is to provide an applying apparatus for leather shoes, which can automatically apply leather adhesive to a sole and a shoe body, and can turn over the sole, so as to facilitate the bonding of the sole and the shoe body, and improve the production efficiency.

A second object of the invention is to propose a method of application.

In order to achieve the above purpose, an aspect of the embodiments of the present invention provides an applying apparatus for leather shoes, including an applying device, a turning device, and a combining table;

the coating device is internally provided with leather adhesive and comprises a shoe body coating machine and a sole coating machine, wherein the shoe body coating machine is used for coating the leather adhesive to the bottom of the shoe body, and the sole coating machine is used for coating the leather adhesive to the sole;

the turnover device is positioned between the sole coating machine and the combination workbench, and the turnover device turns the sole so that the side of the sole with the leather adhesive faces upwards;

and one side of the combination workbench receives the sole overturned by the overturning device, the other side of the combination workbench receives the shoe body coated by the shoe body coating machine, and the shoe body and the sole are bonded and combined in the combination workbench.

Further, the coating device comprises a glue storage mechanism and a glue supply mechanism; the glue storage mechanism is internally provided with leather adhesive and is connected with the glue supply mechanism and used for supplying the leather adhesive in the glue storage mechanism into the glue supply mechanism; the glue supply mechanism comprises a glue supply box and a glue supply roller, wherein a glue supply cavity for containing the leather adhesive is formed in the glue supply box, the glue supply roller is arranged on the surface of the glue supply box and connected with the glue supply cavity, and the glue supply roller is arranged into a plurality of glue supply rollers and can rotate to apply the leather adhesive in the glue supply box.

Further, the glue supply roller comprises a first horizontal glue supply roller, a first inclined glue supply roller, a second inclined glue supply roller and a second horizontal glue supply roller, the first horizontal glue supply roller is positioned at the input end, the first inclined glue supply roller is arranged obliquely outwards, the second inclined glue supply roller and the first inclined glue supply roller are distributed in a splayed shape, and the second horizontal glue supply roller is arranged at the output end.

The glue supply box further comprises a box body, a first lug and a second lug are formed on the box body, and a sliding groove for the movement of the object to be glued is formed between the first lug and the second lug; the box body is provided with a glue inlet connected with the glue storage mechanism, the glue inlet is communicated with the glue supply cavity, and the box body is provided with a first mounting groove and a second mounting groove for mounting a glue supply roller; the rubber supply roller comprises a first rotating rod and a second rotating rod, the first rotating rod is rotatably arranged in the first mounting groove, and the second rotating rod is rotatably arranged in the second mounting groove.

Further, bristles are arranged on the surface of the rubber supply roller; the surface of the rubber supply roller is concave to form a plurality of accommodating grooves for accommodating leather adhesives; the notch of holding tank sets up the cambered surface of leading that the leather gluing agent of being convenient for flows.

Further, a telescopic mounting shell is arranged on the box body, and a second horizontal rubber supply roller is arranged on the mounting shell; the box body is provided with a first slot and a second slot, and the mounting shell comprises a first plug board inserted into the first slot and a second plug board inserted into the first slot; a first limiting structure for preventing the first inserting plate from separating from the first inserting groove is arranged between the first inserting groove and the first inserting plate, and a second limiting structure for preventing the second inserting plate from separating from the second inserting groove is arranged between the second inserting groove and the second inserting plate; a first elastic piece is arranged in the first slot, one end of the first elastic piece is propped against the bottom of the first slot, and the other end of the first elastic piece is propped against the bottom of the first inserting plate; a second elastic piece is arranged in the second slot, one end of the second elastic piece is abutted against the bottom of the second slot, and the other end of the second elastic piece is abutted against the bottom of the second inserting plate; a first sealing ring is arranged between the first slot and the first plug board, and a second sealing ring is arranged between the second slot and the second plug board.

Further, store up gluey mechanism including storing up the packing element, stirring subassembly, discharge gate and heating member, store up and form the storage chamber that is used for storing the leather gluing agent in the packing element, the setting of stirring subassembly is storing up the packing element and stirs in order to the leather gluing agent, the discharge gate setting is storing up the packing element lateral part in order to export the leather gluing agent, the discharge gate is used for being connected with going into gluey mouthful, the heating member setting is heating in order to the leather gluing agent to storing up in the packing element in the bottom and the lateral part of storing up the packing element.

Further, the stirring assembly comprises a mounting rack, a stirring motor, a stirring shaft and stirring pieces, the mounting rack is arranged in the glue storage cylinder, the stirring motor is arranged on the mounting rack, the stirring shaft is connected with the stirring motor and driven by the stirring motor to rotate, and the stirring pieces are arranged on the stirring shaft to stir the leather adhesive in the glue storage cylinder; the side wall and the bottom wall of the glue storage cylinder are provided with heat preservation layers; the glue storage mechanism further comprises a cover body, the cover body is detachably arranged on the glue storage cylinder, and a sealing ring is arranged between the cover body and the glue storage cylinder.

Furthermore, the heat-insulating layer is made of Baolilong.

Further, a valve for opening or closing is arranged at the discharge port.

Further, the leather adhesive comprises the following raw materials in parts by weight: 0.5-0.8 part of polycaprolactone diol, 15-30 parts of isophorone diisocyanate, 10-25 parts of sulfonated polyether polyol, 3-5 parts of polymaleic anhydride modified castor oil, 2-5 parts of dimethylolpropionic acid, 4-6 parts of butyl acrylate, 3-8 parts of hydroxyethyl acrylate, 0.4-0.7 part of methyl acrylate, 2-5 parts of trimethylolpropane, 3-5 parts of acetone, 2-5 parts of triethylamine and 0.5-0.9 part of dibutyltin dilaurate.

Further, the relative molecular mass of the polymaleic anhydride modified castor oil is 3000-4000.

Further, the relative molecular mass of polycaprolactone diol was 2000.

Further, the preparation method of the leather adhesive comprises the following steps:

s1, adding sulfonated polyether glycol, polycaprolactone diol, polymaleic anhydride modified castor oil, isophorone diisocyanate and dibutyltin dilaurate into a reactor, and reacting at a constant temperature of 85-95 ℃ for 1-1.5h;

s2, cooling to 65-73 ℃, adding acetone to reduce viscosity, and then adding dimethylolpropionic acid and trimethylolpropane to react for 2.5-3h at constant temperature;

s3, keeping the temperature of 65-73 ℃ unchanged, and then adding butyl acrylate to react for 1-1.2h;

s4, cooling to 20-25 ℃, adding triethylamine for neutralization, and adding deionized water for emulsification under high-speed stirring to prepare stable emulsion; wherein the rotation speed of the high-speed stirring in the step S4 is 4000-4400 r/min.

S5, heating the emulsion obtained in the step S4 to 80-85 ℃, adding hydroxyethyl acrylate and methyl acrylate, uniformly stirring, and slowly dropwise adding a proper amount of sodium persulfate aqueous solution to finally obtain the leather adhesive.

Further, the turnover device comprises a frame body, a turnover motor, a turnover shaft and a turnover plate, wherein the turnover motor is arranged on the frame body, the turnover shaft is connected with the turnover motor and is driven by the turnover motor to rotate, the turnover plate is connected with the turnover shaft and rotates along with the rotation of the turnover shaft, and the turnover plate rotates to turn over the sole on the sole coating machine onto the combined workbench.

Furthermore, a limiting groove is arranged on the turnover plate.

Further, a shoe body manipulator is arranged on the shoe body coating machine, and the shoe body manipulator clamps the shoe body and moves the shoe body along the rubber supply roller; the sole coating machine is provided with a sole manipulator which clamps the sole and moves the sole along the rubber supply roller.

Furthermore, a positioning alignment groove for accommodating the sole and the shoe body is arranged on the combined workbench.

Further, the bottom of the positioning alignment groove is provided with an elastic piece.

And further, the leather binding machine further comprises a pushing mechanism and a conveying belt, and the pushing mechanism pushes the bonded leather to the conveying belt for conveying.

After the structure is adopted, the coating equipment for leather shoes provided by the invention has at least the following beneficial effects:

firstly, when leather shoes are manufactured, a sole is moved along a sole coating machine so as to coat leather adhesives in the sole coating machine on the sole, then the sole is moved to a station of a turnover device, the turnover device turns the sole by one hundred eighty degrees, the side, provided with the leather adhesives, of the sole faces upwards, and the sole is turned over to a combination workbench, so that the sole is conveniently bonded with a shoe body; next, the bottom of the base section is moved along the base section applicator to apply the leather adhesive in the base section applicator to the bottom of the base section, and finally the base section is moved to the bonding station for bonding to the sole.

Secondly, leather adhesives are applied to the sole and the shoe body part, so that the sole and the shoe body are provided with the leather adhesives at the same time, and the sole and the shoe body are bonded more firmly.

Thirdly, because the coating device is including storing up gluey mechanism and supplying gluey mechanism, supply gluey mechanism can supply for supplying the rubber roll and glue to make the leather gluing agent that supplies on the rubber roll scribble on sole or the shoes body, when the leather gluing agent dosage in supplying gluey mechanism is not enough, store up the leather gluing agent in gluey mechanism and can carry to supplying gluey mechanism in to and in time supply supplying the leather gluing agent in gluey mechanism, thereby make the confession rubber roll that supplies on the gluey mechanism have more glue volume.

Compared with the prior art, the leather adhesive coating machine, the sole coating machine, the overturning device and the combination workbench are arranged, the leather adhesive coating machine can coat the leather adhesive on the shoe body, the sole coating machine can coat the leather adhesive on the sole, and the overturning device is connected with the shoe body on the combination workbench after overturning the sole. The leather adhesive can be automatically coated on the sole and the shoe body, and the sole can be turned over, so that the sole and the shoe body can be conveniently bonded, and the production efficiency is improved.

In order to achieve the above object, another aspect of the embodiments of the present invention provides an application method, including the steps of:

s1, moving the sole along a sole coating machine to coat the sole with leather adhesive;

s2, placing the sole on a turnover device, turning over the sole by the turnover device so that the side, provided with the leather adhesive, of the sole faces upwards, and turning over the sole onto a combination workbench;

s3, moving the shoe body along a shoe body coating machine to coat leather adhesives on the bottom of the shoe body;

and S4, moving the shoe body to the combination workbench to be bonded with the sole.

Drawings

FIG. 1 is a schematic view showing the structure of a leather shoe application apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic illustration of a configuration of a body applicator according to an embodiment of the present invention;

FIG. 3 is a top view of a body applicator according to an embodiment of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 5 is a schematic structural diagram of a glue storage mechanism according to an embodiment of the invention;

FIG. 6 is a schematic structural diagram of a glue supply mechanism according to an embodiment of the invention;

fig. 7 is a schematic structural view of a first board and a first connecting board according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a second insert plate and a second connecting plate according to an embodiment of the invention;

FIG. 9 is a schematic structural view of a first horizontal glue supplying roller mounted on a glue supplying box according to an embodiment of the invention;

FIG. 10 is a schematic structural diagram of a glue supplying roller according to an embodiment of the invention;

FIG. 11 is a schematic structural view of an accommodating groove and a guide arc surface of a glue supplying roller according to an embodiment of the invention;

FIG. 12 is a schematic structural diagram of a turning device according to an embodiment of the present invention;

fig. 13 is a sectional view of a bonding stage according to an embodiment of the present invention.

Description of the reference symbols

The coating device 1, the shoe body coating machine 11, the shoe sole coating machine 12, the glue storage mechanism 13, the glue storage cylinder 131, the stirring component 132, the mounting rack 1321, the stirring motor 1322, the stirring shaft 1323, the stirring sheet 1324, the discharging port 133, the heating part 134, the heat preservation layer 135, the cover body 136, the valve 137, the glue supply mechanism 14, the glue supply box 141, the glue supply cavity 1411, the first projection 1412, the second projection 1413, the sliding groove 1414, the glue inlet 1415, the first inserting groove 1416, the second inserting groove 1417, the first connecting plate 1418, the through hole 14181, the second connecting plate 1419, the glue supply roller 142, the glue supply mechanism and the glue supply mechanism are arranged on the shoe sole the rubber roll assembly comprises a first horizontal rubber supply roll 1421, a first inclined rubber supply roll 1422, a second inclined rubber supply roll 1423, a second horizontal rubber supply roll 1424, a first rotating rod 1425, a second rotating rod 1426, a containing groove 1427, a guide arc surface 14271, a mounting shell 143, a first inserting plate 1431, a second inserting plate 1432, a first elastic part 1433, a second elastic part 1434, a first sealing ring 1435, a second sealing ring 1436, a turnover device 2, a frame body 21, a turnover motor 22, a turnover shaft 23, a turnover plate 24, a combination workbench 3, a positioning alignment groove 31, a spring 32, a pushing mechanism 4 and a conveying belt 5.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

As shown in fig. 1 to 13, an applicator for leather shoes according to an embodiment of the present invention includes an applicator 1, a turnover device 2, and a bonding table 3; the coating device 1 is internally provided with leather adhesive, the coating device 1 comprises a shoe body coating machine 11 and a sole coating machine 12, the shoe body coating machine 11 coats the leather adhesive on the bottom of the shoe body, and the sole coating machine 12 coats the leather adhesive on the sole; the overturning device 2 is positioned between the sole coating machine 12 and the combining workbench 3, and the overturning device 2 overturns the sole so that the side of the sole with the leather adhesive faces upwards; one side of the combination workbench 3 receives the sole turned by the turning device 2, the other side of the combination workbench 3 receives the shoe body applied by the shoe body applicator 11, and the shoe body and the sole are bonded and combined at the combination workbench 3.

Thus, according to the leather shoe applying device, when leather shoes are manufactured, the sole is moved along the sole applying machine 12 so as to apply leather adhesives in the sole applying machine 12 to the sole, then the sole is moved to the station of the turnover device 2, the turnover device 2 turns over the sole by one hundred eighty degrees, the side, with the leather adhesives, of the sole faces upwards, and the sole is turned over to the combination workbench 3, so that the sole is conveniently bonded with a shoe body; next, the bottom of the body is moved along the body applicator 11 to apply the leather adhesive in the body applicator 11 to the bottom of the body, and finally the body is moved to the bonding table 3 to be adhesively bonded to the sole.

Leather adhesives are applied to the sole and the shoe body in the example, so that the sole and the shoe body are provided with the leather adhesives at the same time, and the sole and the shoe body are bonded more firmly.

Optionally, the applying device 1 comprises a glue storage mechanism 13 and a glue supply mechanism 14; the glue storage mechanism 13 is internally provided with leather glue, the glue storage mechanism 13 is connected with the glue supply mechanism 14 and supplies the leather glue in the glue storage mechanism 13 to the glue supply mechanism 14; the glue supply mechanism 14 comprises a glue supply box 141 and glue supply rollers 142, a glue supply cavity 1411 for containing leather glue is formed in the glue supply box 141, the glue supply rollers 142 are arranged on the surface of the glue supply box 141 and connected with the glue supply cavity 1411, and the glue supply rollers 142 are arranged in a plurality and can rotate to apply the leather glue in the glue supply box 141.

Because the applying device 1 comprises the glue storage mechanism 13 and the glue supply mechanism 14, the glue supply mechanism 14 can supply glue for the glue supply roller 142, so that the leather glue on the glue supply roller 142 is applied to the sole or the shoe body, when the amount of the leather glue in the glue supply mechanism 14 is insufficient, the leather glue in the glue storage mechanism 13 can be conveyed into the glue supply mechanism 14, and the leather glue in the glue supply mechanism 14 is supplemented, so that the glue supply roller 142 on the glue supply mechanism 14 has more glue amount.

In some examples, the glue supply rollers 142 include a first horizontal glue supply roller 1421, a first inclined glue supply roller 1422, a second inclined glue supply roller 1423, and a second horizontal glue supply roller 1424, the first horizontal glue supply roller 1421 is located at the input end, the first inclined glue supply roller 1422 is arranged obliquely outward, the second inclined glue supply roller 1423 and the first inclined glue supply roller 1422 are distributed in a splay shape, and the second horizontal glue supply roller 1424 is arranged at the output end.

When the body of a shoe or the sole is coated, the body of a shoe or the sole moves along the first horizontal rubber supply roller 1421, the first inclined rubber supply roller 1422, the second inclined rubber supply roller 1423 and the second horizontal rubber supply roller 1424, the body of a shoe or the sole contacts the first horizontal rubber supply roller 1421 first, the first horizontal rubber supply roller 1421 is driven to rotate in the moving process of the body of a shoe or the sole, and the leather adhesive on the surface of the first horizontal rubber supply roller 1421 is coated on the body of a shoe or the sole.

As the body or the sole continues to move, the body or the sole contacts the first inclined glue supplying roller 1422 and the second inclined glue supplying roller 1423, and the first inclined glue supplying roller 1422 and the second inclined glue supplying roller 1423 rotate to apply the leather adhesive on the first inclined glue supplying roller 1422 and the second inclined glue supplying roller 1423 to the body or the sole. Simultaneously, because the slope of first slope confession rubber roll 1422 and second slope confession rubber roll 1423 sets up, when making first slope confession rubber roll 1422 and second slope confession rubber roll 1423 rotate, supply rubber roll 1421 to scribble the leather gluing agent on sole or shoes body and outwards push first level, make the edge of sole or shoes body have the leather gluing agent, prevent the too little situation of the edge leather gluing agent dose of sole or shoes body and lead to bonding not tight. Because first slope supplies rubber roll 1422 and the slope of second slope to supply rubber roll 1423 to set up, second slope supplies rubber roll 1423 and first slope to supply rubber roll 1422 to be the splayed distribution, first slope supplies rubber roll 1422 to be different from other rotation direction that supply rubber roll 142 promptly, and second slope supplies rubber roll 1423 to be different from other rotation direction that supply rubber roll 142, thereby can paint leather gluing agent from a plurality of directions, realize that leather gluing agent evenly coats.

As the body or sole continues to move, the body or sole contacts the second horizontal glue supply roller 1424, and the second horizontal glue supply roller 1424 rotates to further supply leather glue to the body or sole. Therefore, the leather adhesive is effectively and uniformly coated on the sole by arranging the first horizontal rubber supply roller 1421, the first inclined rubber supply roller 1422, the second inclined rubber supply roller 1423 and the second horizontal rubber supply roller 1424, so that the sole is provided with the leather adhesive, and the leather adhesive is conveniently connected with the shoe body and the sole.

In this example, the glue supply box 141 includes a box body, a first bump 1412 and a second bump 1413 are formed on the box body, and a chute 1414 for moving the object to be glued is formed between the first bump 1412 and the second bump 1413. When the leather adhesive is coated on the sole or the shoe body, the sole or the shoe body is moved along the sliding groove 1414, at the moment, the first lug 1412 limits one side of the sole, the second lug 1413 limits the other side of the sole, and through the arrangement of the sliding groove 1414, the sole can slide along the side wall of the sliding groove 1414 to limit the moving direction of the sole, so that when the sole moves along the sliding groove 1414, the sole can fully contact the rubber supply roller 142, and the leather adhesive on the rubber supply roller 142 is conveniently transferred to the sole.

The box body is provided with a glue inlet 1415 connected with the glue storage mechanism 13, the glue inlet 1415 is communicated with the glue supply cavity 1411, and the box body is provided with a first mounting groove and a second mounting groove for mounting the glue supply roller 142; the glue supply roller 142 comprises a first rotating rod 1425 and a second rotating rod 1426, wherein the first rotating rod 1425 is rotatably disposed in the first mounting groove, and the second rotating rod 1426 is rotatably disposed in the second mounting groove. So that the glue supply roller 142 can be rotatably arranged on the box body, and the glue supply roller 142 rotates to apply the leather adhesive in the box body to the sole.

When the leather adhesive in the adhesive supply box 141 is insufficient, the leather adhesive in the adhesive storage mechanism 13 can be conveyed into the box body, so that the leather adhesive in the adhesive supply box 141 is in more states, and the leather adhesive can be applied to the sole or the body of the shoe by the adhesive supply roller 142 conveniently.

In some examples, bristles are disposed on the surface of the glue supply roller 142; the surface of the glue supplying roller 142 is recessed to form a plurality of accommodating grooves 1427 for accommodating leather adhesives; the notch of holding tank 1427 sets up the cambered surface 14271 that leads that is convenient for the leather gluing agent to flow out.

Through setting up the brush hair, can effectively apply the leather gluing agent to the sole on, and supply the holding tank 1427 of rubber roll 142 surface formation to hold the leather gluing agent at the rotation in-process to can get rid of the leather gluing agent to the sole on, simultaneously, the leather gluing agent that throws away can contact the brush hair, so that have more leather gluing agent on the brush hair, prevent that the sole part position from not brushing the leather gluing agent. By arranging the arc guide surface 14271, the leather adhesive is convenient to throw away in the rotating process. The notch of the receiving groove 1427 may be far away from the rotation direction of the rubber roller 142, and a water drop-shaped cavity is formed in the receiving groove 1427, so that the leather adhesive in the receiving groove 1427 is thrown away onto the sole.

Further, a telescopic mounting shell 143 is arranged on the box body, and a second horizontal rubber supply roller 1424 is arranged on the mounting shell 143; the box body is provided with a first slot 1416 and a second slot 1417, and the mounting shell 143 includes a first insertion plate 1431 for being inserted into the first slot 1416 and a second insertion plate 1432 for being inserted into the first slot 1416.

Through scalable setting installation shell 143 for the second level that sets up on installation shell 143 supplies the rubber roll 1424 can stretch out and draw back in step, and when sole or shoes body removed, the second level supplied the rubber roll 1424 can effectively laminate to on the sole or the shoes body, thereby all smears the leather gluing agent on making sole or the shoes body. Because some soles or shoes body need the rubber coating position unevenness, the sole or shoes body need the rubber coating position not a plane promptly, through scalable setting installation shell 143 in this example, can make second level supply rubber roll 1424 laminate to sole or shoes body need the rubber coating position to make sole or shoes body need the rubber coating position to have the leather gluing agent, be convenient for with sole or shoes body go on firmly being connected.

During installation, the first insertion plate 1431 of the installation shell 143 may be inserted into the first insertion slot 1416, and the second insertion plate 1432 may be inserted into the second insertion slot 1417, wherein in order to prevent the separation, a first limiting structure for preventing the first insertion plate 1431 from separating from the first insertion slot 1416 is disposed between the first insertion slot 1416 and the first insertion plate 1431, and a second limiting structure for preventing the second insertion plate 1432 from separating from the second insertion slot 1417 is disposed between the second insertion slot 1417 and the second insertion plate 1432. First limit structure and second limit structure can be the limit structure of draw-in groove and fixture block, if set up the draw-in groove on first picture peg 1431, set up the fixture block on the first slot 1416, the draw-in groove can remove along the fixture block, and the draw-in groove removes to the fixture block tip, and fixture block restriction draw-in groove breaks away from, and the draw-in groove is prior art with the fixture block limit structure that mutually cooperates, and this is not repeated here.

The bottom of the box body can be provided with a first connecting plate 1418 and a second connecting plate 1419, the first connecting plate 1418 is provided with a first slot 1416, the second connecting plate 1419 is provided with a second slot 1417, and the bottom of the first connecting plate 1418 can be provided with a through hole 14181 for allowing leather adhesive to flow in, so that the leather adhesive can flow in the adhesive cavity 1411.

In this example, a first elastic part 1433 is disposed in the first slot 1416, one end of the first elastic part 1433 abuts against the bottom of the first slot 1416, and the other end of the first elastic part 1433 abuts against the bottom of the first insert plate 1431; a second elastic piece 1434 is arranged in the second slot 1417, one end of the second elastic piece 1434 abuts against the bottom of the second slot 1417, and the other end of the second elastic piece 1434 abuts against the bottom of the second inserting plate 1432; a first sealing ring 1435 is arranged between the first inserting groove 1416 and the first inserting plate 1431, and a second sealing ring 1436 is arranged between the second inserting groove 1417 and the second inserting plate 1432. Through setting up first sealing washer 1435 and second sealing washer 1436, can effectively prevent that the leather adhesive from spilling, first sealing washer 1435 and second sealing washer 1436 can improve the leakproofness and prevent that the leather adhesive from spilling for prior art, and this place is not repeated.

Optionally, glue storage mechanism 13 includes glue storage cylinder 131, stirring subassembly 132, discharge gate 133 and heating member 134, store up and form the storage chamber that is used for storing the leather gluing agent in the glue storage cylinder 131, stirring subassembly 132 sets up and stirs the leather gluing agent in glue storage cylinder 131, discharge gate 133 sets up and is storing up the lateral part of glue storage cylinder 131 in order to export the leather gluing agent, discharge gate 133 is used for being connected with income jiao kou 1415, heating member 134 sets up and heats the leather gluing agent in glue storage cylinder 131 in the bottom and the lateral part of glue storage cylinder 131.

Heating member 134 in this example can effectively heat the leather gluing agent of storing up in the packing element 131 to prevent the condensation of leather gluing agent, some leather gluing agents are because can solidify when weather is colder, thereby influence the use of leather gluing agent, through setting up heating member 134 in this example, can heat the leather gluing agent, thereby can prevent that the leather gluing agent from solidifying. The heating element 134 is preferably a heating wire.

Further, the stirring assembly 132 includes a mounting rack 1321, a stirring motor 1322, a stirring shaft 1323 and a stirring sheet 1324, the mounting rack 1321 is disposed in the glue storage cylinder 131, the stirring motor 1322 is disposed on the mounting rack 1321, the stirring shaft 1323 is connected with the stirring motor 1322 and is driven by the stirring motor 1322 to rotate, and the stirring sheet 1324 is disposed on the stirring shaft 1323 to stir the leather adhesive in the glue storage cylinder 131. The stirring pieces 1324 are provided with a plurality of pieces, and each stirring piece 1324 is provided on the stirring shaft 1323 to stir the leather adhesive in the adhesive storage cylinder 131. Through setting up stirring subassembly 132 in this example, stir simultaneously when the heating to make the leather gluing agent be heated comparatively evenly, when the stirring, agitator motor 1322 orders about (mixing) shaft 1323 and rotates, and (mixing) shaft 1323 rotates and drives stirring piece 1324 and rotate in step, and stirring piece 1324 rotates and stirs the leather gluing agent, further prevents that the leather gluing agent from solidifying.

Wherein, the inner side wall and the inner bottom wall of the glue storage cylinder 131 are provided with heat preservation layers 135; store up gluey mechanism 13 and still include lid 136, and lid 136 can be dismantled and set up on storing up packing element 131, sets up the sealing washer between lid 136 and the packing element 131 of storing up. Through setting up heat preservation 135 for the heat that produces when heating element 134 heats is difficult for giving off, is in hot state in making storage rubber cylinder 131, thereby the energy saving. The material of the insulating layer 135 is preferably baolilong. Through setting up lid 136, the leather gluing agent is arranged in and is stored up packing element 131 back, covers lid 136, can prevent that the dust from falling into and storing up in packing element 131, and simultaneously, lid 136 covers the back, and the sealing washer can delay the heat dissipation in storing up packing element 131, further improves the heat preservation effect.

In order to facilitate the delivery of the leather adhesive in the adhesive storage barrel 131 to the adhesive supply mechanism 14, a liquid pump may be disposed in the adhesive storage barrel 131. A valve 137 for opening or closing may be provided at the discharge port 133 to stop or start the leather adhesive delivery.

The leather adhesive in the example comprises the following raw materials in parts by weight: 0.5-0.8 part of polycaprolactone diol, 15-30 parts of isophorone diisocyanate, 10-25 parts of sulfonated polyether polyol, 3-5 parts of polymaleic anhydride modified castor oil, 2-5 parts of dimethylolpropionic acid, 4-6 parts of butyl acrylate, 3-8 parts of hydroxyethyl acrylate, 0.4-0.7 part of methyl acrylate, 2-5 parts of trimethylolpropane, 3-5 parts of acetone, 2-5 parts of triethylamine and 0.5-0.9 part of dibutyltin dilaurate.

The relative molecular mass of the polymaleic anhydride modified castor oil is 3000-4000. The polymaleic anhydride modified castor oil with the relative molecular mass of 3000-4000 has an oligomeric surfactant structure, the product has stable structural performance and excellent performance, and the polymaleic anhydride modified castor oil as a polyol material can react with isophorone diisocyanate to improve the solid content and the bonding effect of the leather adhesive. The relative molecular mass of the polycaprolactone diol was 2000.

Further, the preparation method of the leather adhesive comprises the following steps:

s1, adding sulfonated polyether glycol, polycaprolactone diol, polymaleic anhydride modified castor oil, isophorone diisocyanate and dibutyltin dilaurate into a reactor, and reacting at a constant temperature of 85-95 ℃ for 1-1.5h; s2, cooling to 65-73 ℃, adding acetone to reduce viscosity, and then adding dimethylolpropionic acid and trimethylolpropane to react for 2.5-3h at constant temperature; s3, keeping the temperature of 65-73 ℃ unchanged, and then adding butyl acrylate to react for 1-1.2h; s4, cooling to 20-25 ℃, adding triethylamine for neutralization, and adding deionized water for emulsification under high-speed stirring to prepare stable emulsion; wherein the rotation speed of the high-speed stirring in the step S4 is 4000-4400 r/min. S5, heating the emulsion obtained in the step S4 to 80-85 ℃, adding hydroxyethyl acrylate and methyl acrylate, uniformly stirring, and slowly dropwise adding a proper amount of sodium persulfate aqueous solution to obtain the leather adhesive.

Further, in step S5, after the emulsion in step S4 is heated to 80-85 ℃, part of acetone solvent is removed by reduced pressure distillation, and then Afcona2501 antifoaming agent and LHEUR thickening agent are added.

Acetone, also known as dimethyl ketone, is an organic substance with a molecular formula of C3H6O, the simplest saturated ketone. The boiling point of acetone was 56.5 ℃. In this example, since acetone has a low boiling point, a part of acetone can be efficiently distilled off under reduced pressure.

The sulfonated polyether polyol and the polymaleic anhydride modified castor oil are used as main solid matter sources, and the sulfonated polyether polyol and the polymaleic anhydride modified castor oil can effectively improve the particle size of polyurethane so as to improve the solid content, thereby being beneficial to improving the bonding strength. The invention adds acetone, which can enhance the fluidity of the emulsion and reduce the viscosity of the polyurethane. According to the invention, the acrylic ester is added, so that the crosslinking density of the leather adhesive is gradually increased, and the increase of the crosslinking degree can effectively improve the bonding strength, the water resistance and the heat resistance. The preparation method has the advantages of simple process and convenient operation, and is convenient to construct in the production process of the glued shoes due to high solid content, low viscosity, high bonding strength and good water resistance, and the gluing amount of the shoe materials can be reduced.

As one example, the turnover device 2 includes a frame body 21, a turnover motor 22, a turnover shaft 23, and a turnover plate 24, the turnover motor 22 is disposed on the frame body 21, the turnover shaft 23 is connected to the turnover motor 22 and is driven to rotate by the turnover motor 22, the turnover plate 24 is connected to the turnover shaft 23 and rotates with the rotation of the turnover shaft 23, and the turnover plate 24 rotates to turn over the sole on the sole applicator 12 onto the bonding table 3. Through setting up turning device 2, after the leather gluing agent was scribbled at the sole, carry to turning plate 24 of turning device 2 on, turning plate 24 overturns through upset motor 22 and trip shaft 23 to with sole upset one hundred eighty degrees on the turning plate 24, and overturn to combining workstation 3 on, in order to wait to bond with the shoes body. Of course, the turning device 2 in this example may be turned by clamping with two clamping plates, such as a turning structure in the gluing mechanism for shoes disclosed in patent document No. 202110617371.4.

In order to prevent the sole from falling in the overturning process, the overturning plate 24 can be provided with a limiting groove for limiting the sole and overturning the sole onto the combination workbench 3.

Further, a shoe body manipulator is arranged on the shoe body coating machine 11, and the shoe body manipulator clamps the shoe body and moves the shoe body along the glue supplying roller 142; the sole applicator 12 is provided with a sole manipulator which grips the sole and moves it along the glue supply roller 142. Through setting up shoes body manipulator and sole manipulator, shoes body manipulator can press from both sides and get the shoes body and remove the shoes body along supplying rubber roll 142 to further raise the efficiency, shoes body manipulator clamp gets the shoes body and removes the back with the shoes body along supplying rubber roll 142, and shoes body manipulator can press from both sides the shoes body after the rubber coating and get to combine with the sole on combining workstation 3. The sole manipulator can press from both sides and get the sole and remove the sole along supplying rubber roll 142 to further raise the efficiency, the sole manipulator presss from both sides and gets the sole and remove the back along supplying rubber roll 142, and the sole manipulator can press from both sides the sole after the rubber coating and get to turning plate 24 of turning device 2 on, then turning plate 24 overturns the sole to combining workstation 3, in order to carry out bonding connection with the shoes body. Shoes body manipulator and sole manipulator can press from both sides shoes body or sole and get, and the manipulator is prior art, and this place is not repeated.

In order to make shoes body and sole can accurately bond, combine to set up the location that is used for holding sole and shoes body on the workstation 3 and aim at groove 31, returning face plate 24 can be with sole upset to the location aim at the inslot 31 in, shoes body manipulator presss from both sides the shoes body and gets to the location aim at the inslot 31 in order to carry out accurate bonding with the sole.

In this example, the spring 32 is provided at the bottom of the positioning alignment groove 31, so that when the body is bonded to the sole, the spring 32 is compressed, and when the body is bonded to the sole, the spring 32 springs up the leather shoes, thereby facilitating the leather shoes to be taken out of the positioning alignment groove 31.

Furthermore, the leather binding machine further comprises a pushing mechanism 4 and a conveying belt 5, wherein the pushing mechanism 4 pushes the bonded leather to the conveying belt 5 for conveying. The pushing mechanism 4 is a pushing cylinder, and the conveying belt 5 is a roller conveying belt 5.

Compared with the prior art, the leather adhesive coating machine 11 can coat leather adhesive on the shoe body, the sole coating machine 12 can coat the leather adhesive on the sole, and the overturning device 2 overturns the sole and is connected with the shoe body on the combining workbench 3. According to the invention, the leather adhesive can be applied to the sole and the shoe body, and the sole can be turned over, so that the sole and the shoe body can be bonded conveniently, and the production efficiency is improved.

To achieve the above object, a second aspect of the embodiments of the present invention proposes an application method including the steps of:

s1, moving the sole along a sole coating machine 12 to coat the sole with leather adhesive; s2, placing the sole on the turnover device 2, turning over the sole by the turnover device 2 so that the side, provided with the leather adhesive, of the sole faces upwards, and turning over the sole onto the combination workbench 3; s3, moving the shoe body along the shoe body coating machine 11 so as to coat leather adhesive on the bottom of the shoe body; and S4, moving the shoe body to the combination workbench 3 to be bonded with the sole.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims (10)

1. An applicator device for leather shoes, characterized in that: comprises an applying device, a turnover device and a combined workbench;

the coating device is internally provided with leather adhesive and comprises a shoe body coating machine and a sole coating machine, wherein the shoe body coating machine is used for coating the leather adhesive to the bottom of the shoe body, and the sole coating machine is used for coating the leather adhesive to the sole;

the turnover device is positioned between the sole coating machine and the combination workbench, and the turnover device turns the sole so that the side of the sole with the leather adhesive faces upwards;

and one side of the combination workbench receives the sole overturned by the overturning device, the other side of the combination workbench receives the shoe body coated by the shoe body coating machine, and the shoe body and the sole are bonded and combined in the combination workbench.

2. The leather shoe application apparatus of claim 1, wherein: the coating device comprises a glue storage mechanism and a glue supply mechanism; the glue storage mechanism is internally provided with leather adhesive and is connected with the glue supply mechanism and used for supplying the leather adhesive in the glue storage mechanism into the glue supply mechanism; the glue supply mechanism comprises a glue supply box and a glue supply roller, wherein a glue supply cavity for containing the leather adhesive is formed in the glue supply box, the glue supply roller is arranged on the surface of the glue supply box and connected with the glue supply cavity, and the glue supply roller is arranged into a plurality of glue supply rollers and can rotate to apply the leather adhesive in the glue supply box.

3. The leather shoe applicator of claim 2, wherein: the rubber supply roller comprises a first horizontal rubber supply roller, a first inclined rubber supply roller, a second inclined rubber supply roller and a second horizontal rubber supply roller, the first horizontal rubber supply roller is positioned at the input end, the first inclined rubber supply roller is arranged obliquely outwards, the second inclined rubber supply roller and the first inclined rubber supply roller are distributed in a splayed shape, and the second horizontal rubber supply roller is arranged at the output end.

4. The leather shoe applicator of claim 3, wherein: the glue supply box comprises a box body, a first lug and a second lug are formed on the box body, and a sliding groove for the object to be glued to move is formed between the first lug and the second lug; the box body is provided with a glue inlet connected with the glue storage mechanism, the glue inlet is communicated with the glue supply cavity, and the box body is provided with a first mounting groove and a second mounting groove for mounting a glue supply roller; the glue supply roller comprises a first rotating rod and a second rotating rod, the first rotating rod is rotatably arranged in the first mounting groove, and the second rotating rod is rotatably arranged in the second mounting groove.

5. The leather shoe application apparatus of claim 2, wherein: bristles are arranged on the surface of the rubber supply roller; the surface of the rubber supply roller is concave to form a plurality of accommodating grooves for accommodating leather adhesives; the notch setting of holding tank is convenient for the leather gluing agent outflow lead the cambered surface.

6. The leather shoe applicator of claim 4, wherein: a telescopic mounting shell is arranged on the box body, and a second horizontal rubber supply roller is arranged on the mounting shell; the box body is provided with a first slot and a second slot, and the mounting shell comprises a first plug board inserted into the first slot and a second plug board inserted into the first slot; a first limiting structure for preventing the first plug board from separating from the first plug board is arranged between the first plug board and the first slot, and a second limiting structure for preventing the second plug board from separating from the second slot is arranged between the second slot and the second plug board; a first elastic piece is arranged in the first slot, one end of the first elastic piece is abutted against the bottom of the first slot, and the other end of the first elastic piece is abutted against the bottom of the first inserting plate; a second elastic piece is arranged in the second slot, one end of the second elastic piece is abutted against the bottom of the second slot, and the other end of the second elastic piece is abutted against the bottom of the second inserting plate; a first sealing ring is arranged between the first slot and the first inserting plate, and a second sealing ring is arranged between the second slot and the second inserting plate.

7. The leather shoe applicator of claim 2, wherein: store up gluey mechanism and include storing up the packing element, stirring subassembly, discharge gate and heating member, store up and form the storage chamber that is used for storing the leather gluing agent in the packing element, the setting of stirring subassembly is storing up the packing element and stirs in order to leather gluing agent, the discharge gate setting is storing up the packing element lateral part in order to export leather gluing agent, the discharge gate is used for with go into the jiao kou and is connected, heating member sets up in the bottom and the lateral part that store up the packing element and heats in order to the leather gluing agent to storing up in the packing element.

8. The leather shoe application apparatus of claim 1, wherein: the combined workbench is provided with a positioning alignment groove for accommodating the sole and the shoe body; the bottom of the positioning alignment groove is provided with an elastic piece.

9. The leather shoe application apparatus of claim 1, wherein: the leather binding machine further comprises a pushing mechanism and a conveying belt, and the leather after being bound is pushed to the conveying belt by the pushing mechanism to be conveyed.

10. A method of application, comprising the steps of:

s1, moving the sole along a sole coating machine to coat the sole with leather adhesive;

s2, placing the sole on a turnover device, turning the sole by the turnover device so that the surface of the sole with the leather adhesive faces upwards, and turning the sole onto a combination workbench;

s3, moving the shoe body along the shoe body coating machine to coat leather adhesive on the bottom of the shoe body;

and S4, moving the shoe body to the combination workbench to be bonded with the sole.

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