CN111926577A - Production process of hot-melt adhesive lining cloth - Google Patents

Abstract

The invention relates to a production process of hot-melt adhesive lining cloth, which comprises the following steps: step one, boiling and bleaching operation is carried out; step two, lining cloth transmission work; step three, feeding the slurry; step four, sizing the rubber head; fifthly, gluing and grouting; sixthly, performing glue head slurry scraping work; step seven, blowing hot melt adhesive powder; step eight, absorbing powder by hot melt adhesive powder; step nine, baking; the invention solves the technical problems that hot melt adhesive dry powder can not be completely adhered to dot-shaped slurry one by one, so that a lining cloth finished product after drying is always provided with a large amount of redundant hot melt adhesive dry powder, the lining cloth with a large amount of hot melt adhesive dry powder is directly used in the subsequent lining cloth production, the product quality is difficult to ensure, and the hot melt adhesive dry powder is greatly wasted.

Description

Production process of hot-melt adhesive lining cloth

Technical Field

The invention relates to the technical field of hot-melt adhesive lining cloth, in particular to a production process of hot-melt adhesive lining cloth.

Background

With the diversification of the clothing fabrics, some fabrics are subjected to surface coating treatment (required coating adhesives, such as PU adhesive, A/C adhesive, PVC, PE adhesive and the like, are coated on the surfaces of the fabrics in a certain form by using solvents or water), so that a layer of adhesive film uniformly covered is formed on the surfaces of the fabrics, and corresponding functions, such as wind resistance, water resistance, light transmittance resistance and the like, are achieved. Most of the fabrics after coating are difficult to be adhered with the common hot melt adhesive interlining during the processing of the clothes. The use requirement of the bonding lining of the coating fabric can be met only by specially finishing the lining cloth base cloth and using a corresponding double-point coating process of hot-melt resin.

Patent document CN2016112389931 discloses an adhesive lining cloth for coating lining, which comprises a base cloth and a double-point coating, wherein the base cloth is a 30D or 50D woven full-polyester plain cloth; the double-point coating adopts thermoplastic bonding resin; the base cloth is pretreated, the double-point coating is formed on the surface of the base cloth in a point distribution mode, and finally the bonding lining cloth for the coating fabric is formed; pre-treating the base fabric, including refining and dyeing, dehydrating and scutching, and finishing and shaping; the double-point coating is prepared by the following steps: the base cloth passes through a double-point coating machine, dotted thermoplastic resin is coated on the surface of the base cloth, and then the base cloth is baked and sintered by an oven, cooled and rolled to complete the lining cloth coating; wherein the processing speed is 30-40 m/min. The final coating fabric can be bonded with the coating garment fabric by the bonding interlining through the selection of the base fabric and the limitation of the double-point coating, including the preparation method thereof.

However, in the actual use process, the inventor finds that the hot melt adhesive dry powder cannot be completely adhered to the dot-shaped slurry one by one, so that a large amount of redundant hot melt adhesive dry powder is often contained in the dried lining cloth finished product, the lining cloth with the large amount of hot melt adhesive dry powder is directly used in the subsequent lining cloth production, the product quality is difficult to ensure, and the problem of great waste of the hot melt adhesive dry powder is caused.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, the hot melt adhesive powder blowing work is matched with the slurry feeding work, the hot melt adhesive powder suction work and the hot melt adhesive powder blowing work are synchronously driven by utilizing the glue head slurry dropping work, so that the hot melt adhesive powder blowing work is realized to fully blow the hot melt adhesive powder on the surface of the slurry in a powder blowing mode, the hot melt adhesive powder is completely bonded on the slurry, meanwhile, the hot melt adhesive powder suction work is utilized, the redundant hot melt adhesive powder is timely adsorbed and collected by utilizing gaps of lining cloth, the utilization rate of raw materials is high, the problem that the hot melt adhesive powder cannot be completely bonded with the point-shaped slurry one by one is solved, the dried lining cloth product often has a large amount of redundant dry powder, the lining cloth with the large amount of hot melt adhesive dry powder is directly used in the subsequent lining cloth production, and the quality of the product is difficult to ensure is solved, and causes the technical problem of great waste of the hot melt adhesive dry powder.

Aiming at the technical problems, the technical scheme is as follows: a production process of hot melt adhesive lining cloth comprises the following steps:

step one, desizing, boiling and bleaching, namely performing desizing, boiling and bleaching pretreatment on grey cloth to obtain semi-bleached cloth, and performing after-treatment to obtain semi-finished lining cloth;

step two, lining cloth transmission work, namely, firstly, starting the winding assembly, and horizontally moving the lining cloth under the driving of the winding assembly;

step three, slurry feeding work is carried out, the lining cloth passes through the driving piece in the moving process, the driving piece is started, the driving piece drives the first storage assembly to discharge through the transmission assembly, and the slurry in the storage bin of the first storage assembly enters the material conveying channel through the connecting pipe; when the material storage area rotates to a position below the discharging barrel of the dipping area, the output end of the discharging barrel loses the limit of the partition plate a and is communicated with the material storage area, and slurry automatically enters the material storage area;

step four, sizing the rubber head, driving the rotating piece of the dispensing assembly to continuously rotate to a dipping area by the driving piece, enabling a dipping unit of the dipping piece to lose the limit of the guide assembly, and driving the rubber head to be ejected into the storage area by the telescopic unit a to dip;

fifthly, the glue heads are used for dispensing, after the sizing operation is finished, the rotating piece continues to rotate, the rotating piece moves to a discharging area, and a plurality of groups of glue heads uniformly act on the lining cloth right below at equal intervals;

step six, the glue head scrapes the thick liquid work, after finishing the work of pointing the thick liquid, the rotating member continues to rotate to the scraping area, the rotating member is lifted automatically under the influence of the guide assembly, the glue head is lifted to the scraper blade to scrape the material work, the thick liquid scraped by the scraper blade automatically drops downwards under the action of the dead weight, the receiving trough carries out automatic collection work to the thick liquid, and utilizes the slope of the receiving trough to output automatically to one side, used for outputting the thick liquid in the receiving trough in time;

step seven, blowing powder by the hot melt adhesive powder, wherein a connecting rod c of the transmission assembly drives a connecting rod e of the lifting assembly to move in the vertical direction, the connecting rod e drives a powder blowing mechanism to work through a connecting rod d, and the powder blowing mechanism fully blows the hot melt adhesive powder in the second storage assembly on the surface of the slurry in a powder blowing mode so that the hot melt adhesive powder is completely adhered to the slurry;

step eight, powder is absorbed by the hot melt adhesive powder, the powder absorbing mechanism is synchronously driven to work in the lifting process of the connecting rod e of the lifting assembly, the filling piece is matched with the first air outlet to complete a completely closed space for the negative pressure cavity, so that the pull rod is favorably matched with the negative pressure cavity to realize the absorption effect on the lining cloth, when the pull rod moves to the second air outlet, the negative pressure machine timely collects the redundant hot melt adhesive powder, and the semi-finished lining cloth with the hot melt adhesive powder coating is continuously transmitted backwards under the driving of the winding assembly;

and step nine, baking, namely baking the semi-finished lining cloth with the hot melt adhesive powder coating through a baking oven.

Preferably, in the seventh step, when the powder blowing mechanism blows air, the reciprocating assembly of the second storage assembly drives the discharging bin to intermittently reciprocate up and down along the vertical direction.

Preferably, in the fifth step, the interval time between the switching of the two adjacent groups of dipping units is h1, the interval time between the intermittent discharging of the discharging bin is h2, and h1 is h 2.

Preferably, the reciprocating assembly moves up and down along the vertical direction at a speed of V1, and the pressure plate of the powder blowing mechanism moves up and down along the vertical direction at a speed of V2, wherein V1 < V2.

Preferably, in the seventh step, the gram weight of the powder point coating of the hot melt adhesive powder is 33-38g/m 2.

Preferably, in the third step, the slurry is made of High Density Polyethylene (HDPE), polyethylene-vinyl acetate (EVA) or polyether sulfone resin (PES).

Preferably, in the seventh step, the fineness of the hot melt adhesive powder is 80-200 meshes.

Preferably, the specification of the lining cloth is 45sT65/C35/58 x 50/47.

Preferably, the lining cloth is in a pore structure.

Preferably, in the ninth step, the baking oven temperature is 125 to 175 ℃.

The invention also provides a hot-melt adhesive lining cloth production line matched with the production process of the hot-melt adhesive lining cloth, which comprises a boiling and bleaching device, a hot-melt adhesive powder coating device arranged behind the boiling and bleaching device and a baking device arranged behind the hot-melt adhesive powder coating device, wherein the hot-melt adhesive powder coating device comprises:

the transmission mechanism comprises a rack and a winding component arranged on the rack, and lining cloth is arranged on the winding component in a transmission manner;

the slurry discharging mechanism comprises an installation frame a installed above the transmission mechanism, a dispensing assembly rotatably arranged in the installation frame a, a guide assembly installed on the installation frame a and matched with the dispensing assembly to control the dispensing assembly to conduct work, and a scraping assembly installed in the dispensing assembly;

the slurry feeding mechanism comprises a first storage assembly arranged on the rack and a transmission assembly which is in synchronous transmission with the dispensing assembly and is used for driving the first storage assembly to intermittently discharge; and

the powder spraying mechanism comprises a second storage assembly arranged on the rack, a powder blowing mechanism arranged in the second storage assembly, a powder sucking mechanism arranged along the same vertical direction and located right below lining cloth in transmission, and a lifting assembly synchronously driven by the glue dispensing assembly, wherein the lifting assembly is used for driving the powder blowing mechanism and the powder sucking mechanism to work simultaneously, and the output end of the second storage assembly moves up and down along the vertical direction.

Preferably, the dispensing assembly includes:

a driving member including a driving motor a;

the rotating piece is coaxial and fixedly connected with the output end of the driving motor a, the rotating piece is arranged along the width direction of the rack and comprises a rotating shaft and a dipping piece which are arranged on the mounting rack a in a rotating mode, the dipping piece comprises a connecting rod a fixedly connected with one end of the rotating shaft and a plurality of groups of dipping units which are arranged along the length direction of the connecting rod a at equal intervals, each dipping unit comprises a telescopic unit a with one end fixedly connected with the connecting rod a, a connecting shaft fixedly connected with the other end of the telescopic unit a, a rotating shaft arranged at the other end of the connecting shaft in a rotating mode and a glue head arranged at the other end of the rotating shaft, and any glue head is arranged in a manner of being matched with the size of the corresponding discharge hole;

the rotating piece is used for controlling the rotating piece to rotate circumferentially and comprises a transmission gear which is coaxial with the rotating shaft and is fixedly connected with the rotating shaft and an arc-shaped rack which is positioned in a dipping area and is meshed with the transmission gear, the arc-shaped rack is installed on the installation frame a through a connecting rod b, and the connecting end of the connecting rod a is arranged on the other side of the connecting end of the connecting rod b relative to the rotating shaft;

the control piece is fixedly connected with the rotating piece and synchronously rotates with the rotating piece, the control piece comprises a circular ring which is coaxial and fixedly connected with one end of the rotating shaft and a plurality of groups of limiting pieces which are arranged at equal intervals along the circumferential direction of the circular ring and are arranged in one-to-one correspondence with the dipping pieces, two ends of each limiting piece are respectively connected with the two groups of circular rings, each limiting piece comprises two groups of partition plates a, a partition plate b and a plurality of groups of partition plates c which are arranged perpendicular to the partition plates a, the outer ends of the partition plates a are arranged in a matched manner with the inner wall of the sleeve, material storage areas are formed between the two groups of partition plates a and the partition plates b, and the material storage areas are arranged in one-to-one correspondence with the; and

the sleeve pipe, the sleeve pipe matches the cover and establishes just install outside the control on the mounting bracket a, sheathed tube lower extreme is followed a plurality of groups discharge opening have been seted up to sleeve pipe length direction equidistant, certainly the discharge opening plays, along sleeve pipe circumferencial direction has set gradually the ejection of compact district, has scraped the material district and has dipped in the sauce district.

Preferably, the guide assembly comprises:

the guide rail is arranged in an arc structure and is coaxial with the connecting shaft; and

the control post, the control post with connecting axle fixed connection just the control post matches and slides the setting and is in the guide track.

Preferably, the scraping assembly comprises:

the scraping plate is fixedly arranged on the mounting frame a and positioned between the guide rail and the control piece, and the scraping end of the scraping plate is in contact with the end part of the rubber head; and

and the material receiving groove is fixedly connected with the lower end of the scraper and the bottom of the material receiving groove is obliquely and downwards output along the length direction of the rotating shaft.

Preferably, the first storage assembly comprises a storage bin, a connecting pipe communicated with the storage bin, and a material conveying channel fixedly connected with the other end of the connecting pipe and mounted on the mounting frame a, a plurality of groups of material discharging barrels are communicated with the material conveying channel, the outer ends of the material discharging barrels are in contact with the inner wall of the ring, and the output ends of the material discharging barrels are in one-to-one correspondence with the material storage area.

Preferably, the transmission assembly comprises:

the driving gear a is coaxial and fixedly connected with the transmission end of the driving piece, and teeth of the driving gear a are arranged at intervals;

a control valve disposed on the connection pipe;

the control gear is coaxial and fixedly connected with the control valve; and

the first transmission piece comprises a driving rack a, a connecting rod c and a driving rack b, wherein the driving rack a is meshed with the driving gear a and is vertically arranged, the connecting rod c is fixedly connected with the driving rack a and is horizontally arranged above the winding assembly, the driving rack b is fixedly connected with the connecting rod c and is vertically arranged, and the driving rack b is fixedly arranged on the rack through a telescopic unit b and is meshed with the control gear.

Preferably, the second storage assembly comprises a discharge bin, a reciprocating assembly arranged in the discharge bin in a sliding manner along the vertical direction, and a limiting assembly arranged at the bottom of the discharge bin in a sliding manner along the horizontal direction;

the limiting assembly comprises a horizontal pushing cylinder, a limiting plate fixedly connected with the telescopic end of the horizontal pushing cylinder, a driving rack c fixedly connected with the limiting plate, a driving gear b which is rotatably arranged on the side wall of the discharging bin and is meshed with the driving rack c, and a driving gear c which is coaxially arranged with the driving gear b;

the reciprocating assembly comprises a storage bin and a driving rack d which is fixedly connected with one end of the storage bin and meshed with the driving gear c, and two ends of the storage bin are installed in sliding rails arranged in the vertical direction of the discharging bin through telescopic units c.

Preferably, the powder blowing mechanism comprises an air hole plate fixedly arranged in the storage bin and a pressing plate which is arranged in the storage bin in a sliding mode and is positioned above the air hole plate.

Preferably, the powder suction mechanism includes:

the upper surface of the negative pressure cavity is in contact with the lower surface of the lining cloth, and the negative pressure cavity is provided with a first air outlet and a second air outlet along the vertical direction;

the pull rod is arranged on the negative pressure cavity in a sliding mode and is of a T-shaped rod structure;

the packing piece comprises a driving rack e fixedly connected with the lower end of the pull rod, a driving gear d meshed with the driving rack e, a driving gear e coaxially arranged with the driving gear d, and a driving rack f meshed with the driving gear e and horizontally arranged, one end of the driving rack f is fixedly connected with a packing shaft, the other end of the driving rack f is fixedly connected with a telescopic unit d, and the packing shaft is of a reducing structure; and

and the negative pressure machine is communicated with the second air outlet in an intermittent manner.

Preferably, the lifting assembly includes:

one end of the connecting rod d is fixedly connected with the pressing plate, and the other end of the connecting rod d is fixedly connected with the pull rod;

the limiting rail is arranged on the rack, and the connecting rod d is matched and slidably arranged on the limiting rail through a telescopic unit e; and

and one end of the connecting rod e is fixedly connected with the connecting rod c, and the other end of the connecting rod e is fixedly connected with the connecting rod d.

The invention has the beneficial effects that:

(1) according to the invention, the hot melt adhesive powder blowing work is matched with the slurry feeding work, and the hot melt adhesive powder suction work and the hot melt adhesive powder blowing work are synchronously driven by using the glue head slurry dropping work, so that the hot melt adhesive powder is fully blown and covered on the surface of the slurry in a powder blowing mode in the hot melt adhesive powder blowing work, the hot melt adhesive powder is completely bonded on the slurry, meanwhile, the hot melt adhesive powder suction work is used, the redundant hot melt adhesive powder is timely adsorbed and collected by using gaps of the lining cloth, and the utilization rate of raw materials is high;

(2) according to the invention, the glue head is arranged for dispensing and matched with the hot melt adhesive powder blowing work, the position of the glue head acting on the lining cloth is arranged corresponding to the position of the hot melt adhesive powder blowing work on the lining cloth, so that the hot melt adhesive powder only needs to be subjected to powder falling work aiming at the correspondingly arranged slurry, the hot melt adhesive powder is prevented from falling between adjacent slurries, the utilization rate of the hot melt adhesive powder is improved, and the extra powder falling work is not required to be additionally collected;

(3) according to the invention, the lifting assembly is matched with the second storage assembly, and the position of the adhesive head acting on the lining cloth is arranged corresponding to the position of the powder blowing work of the reciprocating assembly on the lining cloth, so that the hot melt adhesive powder only needs to fall into the corresponding slurry, the hot melt adhesive powder is prevented from falling into the adjacent slurry, the utilization rate of the hot melt adhesive powder is improved, and the extra powder falling is not required to be collected;

(4) according to the invention, the first storage assembly is matched with the transmission assembly, so that when only the material storage area rotates to a position below the material discharging barrel positioned in the material dipping area, the output end of the material discharging barrel loses the limit of the partition plate a and is communicated with the material storage area, so that the material discharging is realized, and meanwhile, the transmission assembly drives the first storage assembly to be opened, so that the quantitative feeding work is realized; on the contrary, the first storage assembly of drive assembly drive is closed, avoids thick liquids to get into in the subassembly is glued to the point, guarantees the cleanliness factor of gluing the subassembly, improves device's life, utilizes the stock district simultaneously and goes out a feed cylinder output end intercommunication time certain, and then has guaranteed that the ejection of compact of thick liquids is certain, and the high-usage of thick liquids can not appear too much extravagant phenomenon and the not enough phenomenon of undersize point gluing.

In conclusion, the equipment has the advantages of simple structure and uniform hot melt adhesive powder coating, and is particularly suitable for the technical field of hot melt adhesive lining cloth.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic flow chart of a production process of hot melt adhesive lining cloth.

Fig. 2 is a schematic structural diagram of a hot melt adhesive lining cloth production line.

Fig. 3 is a schematic structural diagram of the transmission assembly.

FIG. 4 is a side schematic view of the transmission assembly.

Fig. 5 is a first schematic sectional view of the powder spraying mechanism.

Fig. 6 is a schematic sectional view of the powder spraying mechanism.

Fig. 7 is a first transmission working diagram of the powder suction mechanism.

Fig. 8 is a second schematic transmission diagram of the powder suction mechanism.

Fig. 9 is a third schematic transmission operation diagram of the powder suction mechanism.

Fig. 10 is a schematic structural view of the powder suction mechanism.

Fig. 11 is a schematic cross-sectional view of a slurry discharge mechanism.

Fig. 12 is an enlarged partial schematic view at a of fig. 11.

Fig. 13 is a first schematic diagram of the transmission operation of the slurry discharging mechanism.

Fig. 14 is a schematic view of the transmission operation of the rotary member.

Fig. 15 is a second schematic diagram of the transmission operation of the slurry discharging mechanism.

Fig. 16 is a schematic structural view of the control member.

Fig. 17 is a cross-sectional schematic view of the control member.

Fig. 18 is a third schematic diagram of the transmission operation of the slurry discharging mechanism.

Fig. 19 is a fourth schematic diagram of the transmission operation of the slurry discharging mechanism.

Fig. 20 is a schematic structural view of the guide assembly.

Fig. 21 is a fifth schematic diagram of the transmission operation of the slurry discharging mechanism.

Fig. 22 is a schematic structural view of the scraping assembly.

Fig. 23 is a sixth schematic view of the transmission operation of the slurry discharging mechanism.

FIG. 24 is a schematic structural diagram of a first memory component.

Fig. 25 is a schematic top view of the lining cloth.

Detailed Description

The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.

Example one

As shown in fig. 1, a production process of a hot melt adhesive lining cloth comprises the following steps:

step one, desizing, boiling and bleaching, namely performing desizing, boiling and bleaching pretreatment on grey cloth to obtain semi-bleached cloth, and performing after-treatment to obtain a semi-finished lining cloth 10;

step two, lining cloth transmission work, firstly, the winding component 12 is started, and the lining cloth 10 horizontally moves under the driving of the winding component 12;

step three, slurry feeding operation is carried out, the lining cloth 10 passes through the driving part 221 in the moving process, the driving part 221 drives the first storage component 31 to discharge through the transmission component 32, and the slurry 20 in the storage bin 311 of the first storage component 31 enters the material conveying channel 313 through the connecting pipe 312; at this time, when the material storage area 2266 rotates to a position below the discharging barrel 314 of the dipping area 220, the output end of the discharging barrel 314 loses the limit of the partition plate a2263 and is communicated with the material storage area 2266, and the slurry automatically enters the material storage area 2266;

step four, sizing the rubber head, driving the rotating piece 222 of the dispensing assembly 22 to continue rotating to the dipping area 220 by the driving piece 221, the dipping unit 2242 of the dipping piece 224 loses the limit of the guide assembly 23, and the telescopic unit a2243 drives the rubber head 2246 to eject into the storage area 2266 to dip;

fifthly, the glue heads are used for dispensing glue, after the sizing operation is finished, the rotating piece 222 continues to rotate, the rotating piece 222 moves to the discharging area 227, and a plurality of groups of glue heads 2246 uniformly act on the lining cloth 10 right below at equal intervals;

step six, the glue head scrapes the thick liquid work, after finishing the work of pointing thick liquid, the rotating part 222 continues to rotate to the scraping area 228, the rotating part 222 is lifted automatically under the action of the guiding assembly 23, the glue head 2246 is lifted to the scraper blade 241 to scrape the material, the thick liquid scraped by the scraper blade 241 automatically drops downwards under the action of self weight, the receiving trough 242 automatically collects the thick liquid, and the thick liquid is automatically output to one side by utilizing the slope of the receiving trough 242, so that the thick liquid in the receiving trough 242 can be output in time;

step seven, blowing powder by the hot melt adhesive powder, wherein the connecting rod c326 of the transmission assembly 32 drives the connecting rod e444 of the lifting assembly 44 to move in the vertical direction, the connecting rod e444 drives the powder blowing mechanism 42 to work through the connecting rod d441, and the powder blowing mechanism 42 fully blows the hot melt adhesive powder 30 in the second storage assembly 41 on the surface of the slurry 20 in a powder blowing manner, so that the hot melt adhesive powder 30 is completely adhered to the slurry 20;

step eight, powder is absorbed by the hot melt adhesive powder, and synchronously with the step seven, the powder absorbing mechanism 43 is driven to work synchronously in the lifting process of the connecting rod e444 of the lifting assembly 44, the filling member 435 is matched with the first air outlet 432 to complete a complete and complete closed space for the negative pressure cavity 431, so that the pull rod 434 is favorably matched with the negative pressure cavity 431 to realize the absorption effect on the lining cloth 10, when the pull rod 434 moves to the second air outlet 433, the negative pressure machine 436 timely collects the redundant hot melt adhesive powder 30, and the semi-finished lining cloth 10 with the hot melt adhesive powder coating is continuously and backwards transmitted under the driving of the rolling assembly 12;

and step nine, baking, namely baking the semi-finished lining cloth 10 with the hot melt adhesive powder coating through a baking oven.

In this embodiment, blow powder work cooperation thick liquids feeding work through setting up the hot melt adhesive powder, utilize the rubber head to nod thick liquid work synchronous belt to move hot melt adhesive powder and inhale powder work and hot melt adhesive powder and blow powder work synchronous drive, and then realize hot melt adhesive powder and blow powder work and fully blow the surface that covers at the thick liquids through blowing the powder mode with hot melt adhesive powder, make hot melt adhesive powder adhere completely on the thick liquids, utilize hot melt adhesive powder to inhale powder work simultaneously, utilize the space of lining cloth with unnecessary hot melt adhesive powder to adsorb it in time and collect, raw and other materials high-usage.

Further, in the seventh step, when the powder blowing mechanism 42 performs the blowing operation, the reciprocating assembly 412 of the second storage assembly 41 drives the discharging bin 411 to perform the intermittent reciprocating movement up and down along the vertical direction.

Further, in the fifth step, the interval time for switching between two adjacent groups of the dipping units 2242 is h1, the interval time for intermittent discharging of the discharging bin 411 is h2, and h1 is h 2.

Further, the reciprocating assembly 412 moves up and down along the vertical direction at a speed of V1, and the pressure plate 422 of the powder blowing mechanism 42 moves up and down along the vertical direction at a speed of V2, wherein V1 is less than V2.

Further, in the seventh step, the gram weight of the powder point coating of the hot melt adhesive powder 30 is 33-38g/m 2.

Further, in the third step, the slurry 20 is made of High Density Polyethylene (HDPE), polyethylene-vinyl acetate (EVA) or polyether sulfone resin (PES) as the hot melt adhesive.

Further, in the seventh step, the fineness of the hot melt adhesive powder 30 is 80-200 meshes.

Further, the specification of the lining cloth 10 is 45sT65/C35/58 multiplied by 50/47.

Further, the lining cloth 10 has a pore structure.

Further, in the ninth step, the temperature of the baking oven is 125-175 ℃.

Example two

As shown in fig. 2, 10 and 25, the hot melt adhesive lining cloth production line comprises a desizing, boiling and bleaching device 1a, a hot melt adhesive powder coating device 1b arranged behind the desizing, boiling and bleaching device 1a and a baking device 1c arranged behind the hot melt adhesive powder coating device 1b, wherein the hot melt adhesive powder coating device 1b comprises:

the conveying mechanism 1 comprises a rack 11 and a winding component 12 installed on the rack 11, and lining cloth 10 is arranged on the winding component 12 in a transmission manner;

the slurry discharging mechanism 2 comprises a mounting frame a21 arranged above the conveying mechanism 1, a dispensing assembly 22 rotatably arranged in the mounting frame a21, a guide assembly 23 arranged on the mounting frame a21 and matched with the dispensing assembly 22 for controlling the dispensing assembly 22 to guide, and a scraping assembly 24 arranged in the dispensing assembly 22;

the slurry feeding mechanism 3 comprises a first storage component 31 arranged on the rack 11 and a transmission component 32 which is in synchronous transmission with the dispensing component 22 and is used for driving the first storage component 31 to intermittently discharge; and

the powder spraying mechanism 4 comprises a second storage component 41 arranged on the rack 11, a powder blowing mechanism 42 arranged in the second storage component 41, a powder sucking mechanism 43 arranged along the same vertical direction of the powder blowing mechanism 42 and positioned right below the lining cloth 10 in transmission, and a lifting component 44 synchronously driven by the dispensing component 22, wherein the lifting component 44 is used for driving the powder blowing mechanism 42 and the powder sucking mechanism 43 to work simultaneously, and the output end of the second storage component 41 moves up and down along the vertical direction.

In this embodiment, through setting up the mechanism 4 that dusts and cooperating thick liquids discharge mechanism 2, utilize some glue assemblies 22 to drive lifting unit 44 in step and blow whitewashed mechanism 42 and inhale whitewashed mechanism 43 synchronous drive, and then realize blowing whitewashed mechanism 42 and fully blow the surface of covering hot melt adhesive powder 30 at thick liquids 20 through blowing the powder mode, make hot melt adhesive powder 30 adhere completely on thick liquids 20, utilize the below to set up simultaneously and inhale whitewashed mechanism 43, utilize the space of lining cloth 10 with unnecessary hot melt adhesive powder 30 with it in time to adsorb the collection, raw and other materials high-usage.

In addition, the glue discharged by the paste feeding mechanism 3 is stored in the glue dispensing assembly 22 by the paste discharging mechanism 2, so that the situation that the glue is accumulated too much and irregularly and drops on the lining cloth, and the paste dispensed on the lining cloth 10 is unevenly distributed is avoided, and the quantitative paste is ejected on the lining cloth 10 under the ejection of the glue heads by the glue dispensing assembly 22, so that the glue dispensing effect is improved on one hand, and the paste is firmly adhered on the lining cloth 10; on the other hand, the one-to-one dispensing operation of the glue head 2246 and the lining cloth is ensured, the dispensing effect of the dispensing assembly 22 is improved, the one-to-one powder falling combination operation of the later-stage powder spraying mechanism 4 for the positioned slurry is facilitated, and the use of raw materials is saved on the premise of improving the product quality.

The lining cloth is 10; the slurry was 20; the hot melt adhesive powder was 30.

Further, as shown in fig. 11 to 23, the dispensing assembly 22 includes:

a driving part 221, the driving part 221 including a driving motor a;

the rotating part 222 is coaxial and fixedly connected with the output end of the driving motor a, the rotating part 222 is arranged along the width direction of the rack 11 and comprises a rotating shaft 223 and a dipping piece 224 which are rotatably arranged on the mounting rack a21, the dipping piece 224 comprises a connecting rod a2241 fixedly connected with one end of the rotating shaft 223 and dipping units 2242 which are arranged in a plurality of groups at equal intervals along the length direction of the connecting rod a2241, and each dipping unit 2242 comprises an expansion unit a2243 fixedly connected with one end of the connecting rod a2241, a connecting shaft 2244 fixedly connected with the other end of the expansion unit a2243, a rotating shaft 2245 rotatably arranged at the other end of the connecting shaft 2244 and a rubber head 2246 arranged at the other end of the rotating shaft 2245;

a rotating member 225, wherein the rotating member 225 is used for controlling the rotating member 222 to rotate circularly and comprises a transmission gear 2251 which is coaxial with and fixedly connected to the rotating shaft 2245 and an arc-shaped rack 2252 which is positioned at the dipping area 220 and is engaged with the transmission gear 2251, the arc-shaped rack 2252 is mounted on the mounting block a21 through a connecting rod b, and the connecting end of the connecting rod a2241 is arranged on the other side of the connecting end of the connecting rod b relative to the rotating shaft 223;

a control member 226, the control member 226 is fixedly connected to the rotating member 225 and synchronously rotates with the rotating member 225, the control member 226 includes a ring 2261 coaxially and fixedly connected to one end of the rotating shaft 223, and a plurality of sets of limiting members 2262 arranged along the circumferential direction of the ring 2261 at equal intervals and in one-to-one correspondence to the dipping members 224, one end of the limiting member 2262 is connected to the ring 2261, and the limiting members 2262 includes a partition plate a2263, a partition plate b2264, and a plurality of sets of partition plates c2265 arranged perpendicular to the partition plate a 2263; and

the sleeve 227 is sleeved outside the control piece 226 in a matching manner and is installed on the installation frame a21, a plurality of groups of discharge holes 2271 are formed in the lower end of the sleeve 227 at equal intervals along the length direction of the sleeve 227, a discharge area 228, a scraping area 229 and a dipping area 220 are sequentially arranged from the discharge holes 2271 along the circumferential direction of the sleeve 227, any one of the glue heads 2246 is arranged in a matching manner with the size of the correspondingly arranged discharge hole 2271, and a plurality of groups of stock areas 2266 are arranged in one-to-one correspondence with the plurality of groups of discharge holes 2271; the outer end of the partition a2263 is matched with the inner wall of the sleeve 227, and a material storage area 2266 is formed between two groups of the partitions a2263 and the partitions b 2264.

In this embodiment, by arranging the rotating member 222 in cooperation with the control member 226, the dipping piece 224 automatically resets under the action of the telescopic unit a2243 after losing the guiding function of the guiding assembly 23, and simultaneously, by matching with the limit of the inner wall of the sleeve 227, the dipping piece 224 enters the material storage area 2266 to dip the dipping material in the material storage area 2266, and after finishing the dipping work, the dipping piece 224 rotates to the discharge hole 2271 to finish the glue head 2246 leaving the sleeve 227, namely, the glue head extends out of the lining cloth 10 to perform uniform glue dispensing work, so that the whole work has high continuity, and the work is ensured to be continuously performed, and the work efficiency is high, and the automation is strong; it should be noted that, the telescopic unit a2243 is in a compressed state, and the rubber head 2246 is arranged to match with the size of the corresponding discharging hole 2271, so as to prevent the rubber on the sidewalls of the partitions a2263 and b2264 from flowing out of the sleeve 227.

Secondly, the control part 226 is arranged to be matched with the slurry feeding mechanism 3, the position of the adhesive head acting on the lining cloth 10 is arranged to correspond to the position of the powder blowing work of the slurry feeding mechanism 3 on the lining cloth 10, and therefore the hot melt adhesive powder only needs to be subjected to powder falling work aiming at the correspondingly arranged slurry, the hot melt adhesive powder is prevented from falling between adjacent slurries, the utilization rate of the hot melt adhesive powder is improved, and the extra powder falling work is not required to be additionally collected; it should be noted that the transmission end of the control post 232 is arranged in a spherical structure, and is beneficial to sliding in the guide rail 231 in a matching manner, and the guide rail 231 plays a role in supporting and guiding the dipping piece 224.

Thirdly, through setting up rotating member 225, utilize the rotation piece 222 of revolution to rotate to arc rack 2252, drive gear 2251 rotates under arc rack 2252's effect, and then realizes that drive gear 2251 drives rotation piece 222 rotation, rotates piece 222 when the rotation process, glues the head 2246 and accomplishes the complete work of dipping in the thick liquids in stock district 2266, guarantees to have abundant thick liquids on the head 2246, thereby guarantee that the head is glued to lining cloth 10's abundant point, improve the quality of gluing.

Further, as shown in fig. 20 and 19, the guide assembly 23 includes:

the guide rail 231 is of an arc-shaped structure, and the guide rail 231 and the connecting shaft 2244 are coaxially arranged; and

a control post 232, the control post 232 with connecting axle 2244 fixed connection just the control post 232 matches the slip setting and is in the guide track 231.

Further, as shown in fig. 22 and 21, the scraper assembly 24 includes:

the scraping plate 241 is fixedly arranged on the mounting frame a21 and positioned between the guide rail 231 and the control piece 226, and the scraping end of the scraping plate 241 is in contact with the end part of the rubber head 2246; and

and a receiving groove 242, wherein the receiving groove 242 is fixedly connected to the lower end of the scraper 241, and the bottom of the receiving groove 242 is inclined downward along the length direction of the rotating shaft 223.

In this embodiment, scrape material subassembly 24 through setting up the cooperation of direction subassembly 23, glue subassembly 22 and the direction of cooperation direction subassembly 23 after accomplishing the point and gluing work, the automatic lifting of subassembly 22 is glued in the drive pivoted of direction subassembly 23 point, thereby make and glue head 2246 and leave discharge opening 2271 automatically and shift over into in the sleeve pipe 227 again, recycle direction subassembly 23 and promote to glue head 2246 to scrape material subassembly 24, utilize scraping material subassembly 24 to scrape the material automatically to glue head 2246 in the rotation in the transmission process, guarantee the cleanliness factor of gluing the head, and then improve the life who glues the head.

It should be noted that the slurry scraped by the scraper 241 automatically drops downward under the action of its own weight, and the slurry is automatically collected by the receiving trough 242 and automatically output to one side by the slope of the receiving trough 242, so as to output the slurry in the receiving trough 242 in time.

Further, as shown in fig. 6 and 5, the second storage assembly 41 includes a discharging bin 411, a reciprocating assembly 412 disposed in the discharging bin 411 in a sliding manner along a vertical direction, and a limiting assembly 413 disposed at the bottom of the discharging bin 411 in a sliding manner along a horizontal direction;

the limiting assembly 413 comprises a horizontal pushing cylinder 4131, a limiting plate 4132 fixedly connected with the telescopic end of the horizontal pushing cylinder 4131, a driving rack c4133 fixedly connected with the limiting plate 4132, a driving gear b4134 rotatably arranged on the side wall of the discharging bin 411 and meshed with the driving rack c4133, and a driving gear c4135 coaxially arranged with the driving gear b 4134;

the reciprocating assembly 412 comprises a storage bin 4121 and a driving rack d4122 fixedly connected with one end of the storage bin 4121 and meshed with the driving gear c4135, and two ends of the storage bin 4121 are mounted in a sliding rail 4124 arranged in the vertical direction of the discharging bin 411 through a telescopic unit c 4123.

In the embodiment, the lifting assembly 44 is arranged to cooperate with the second storage assembly 41, and the position of the adhesive head acting on the lining cloth 10 is arranged to correspond to the position of the powder blowing work of the reciprocating assembly 412 on the lining cloth 10, so that the hot melt adhesive powder only needs to be subjected to powder falling work aiming at the correspondingly arranged slurry, the hot melt adhesive powder is prevented from falling between adjacent slurries, the utilization rate of the hot melt adhesive powder is improved, and the extra powder falling work does not need to be additionally collected; in addition, as the slurry 20 is of a hemispherical structure, the distance between the storage bin 4121 and the slurry 20 is kept consistent by the lifting operation of the reciprocating assembly 412, so that the mixing force of the hot melt adhesive powder 30 acting on the surface of the slurry 20 is ensured to be the same, the fusion effect of the slurry 20 and the hot melt adhesive powder 30 is high, and the quality of the finished lining cloth 10 is improved.

Secondly, the limiting component 413 is arranged to be matched with the reciprocating component 412, when the limiting component 413 is started, the limiting component 413 exits from the output end of the reciprocating component 412, and the output end of the reciprocating component 412 is opened; on the contrary, when the limiting component 413 is reset, the limiting component 413 moves to the output end of the reciprocating component 412, so as to block the discharging of the reciprocating component 412, and further realize the intermittent discharging work of the reciprocating component 412.

It should be noted that the speed of the reciprocating assembly 412 moving up and down in the vertical direction is V1, the speed of the pressure plate 422 moving up and down in the vertical direction is V2, and V1 < V2, and the purpose is that the speed of the pressure plate 422 moving down is greater than the speed of the storage bin 4121 descending, so that relative displacement between the pressure plate 422 and the storage bin 4121 is ensured, and the pressure operation of the pressure plate 422 on the storage bin 4121 is further realized.

In addition, once the reciprocating assembly 412 moves downward, the horizontal push cylinder 4131 receives a signal through the distance sensor and is immediately activated; the expansion and contraction path of the horizontal thrust cylinder 4131 is set in advance.

It is worth mentioning that a plurality of groups of discharge ports of the storage bin 4121 are arranged at equal intervals, and are all arranged in one-to-one correspondence with the pulp 20 on the corresponding lining cloth below.

Further, as shown in fig. 7 to 9, the powder blowing mechanism 42 includes an air hole plate 421 fixedly disposed in the storage bin 4121, and a pressing plate 422 slidably disposed in the storage bin 4121 and located above the air hole plate 421.

In this embodiment, the lifting assembly 44 is arranged to drive the powder blowing mechanism 42 and the powder sucking mechanism 43 to perform synchronous transmission, so that the powder blowing mechanism 42 blows the hot melt adhesive powder 30 fully on the surface of the slurry 20 in a powder blowing mode, the hot melt adhesive powder 30 is completely adhered to the slurry 20, the powder sucking mechanism 43 is arranged below the powder blowing mechanism, the redundant hot melt adhesive powder 30 is adsorbed and collected in time by utilizing the gap of the lining cloth 10, and the utilization rate of raw materials is high.

The pressing plate 422 moving downwards is matched with the air hole plate 421, so that the powder blowing effect on the hot melt adhesive powder 30 below the air hole plate 421 is realized, the hot melt adhesive powder 30 is fully blown on the surface of the slurry 20, and the adhesiveness is high; meanwhile, when the pressure plate 422 moves reversely and resets, the hot melt adhesive powder 30 in the storage bin 4121 is uniformly scattered, so that the tightness between the hot melt adhesive powder 30 is not high.

Further, as shown in fig. 9, the powder suction mechanism 43 includes:

the upper surface of the negative pressure cavity 431 is in contact with the lower surface of the lining cloth 10, and the negative pressure cavity 431 is provided with a first air outlet 432 and a second air outlet 433 along the vertical direction;

the pull rod 434 is slidably arranged on the negative pressure cavity 431 and has a T-shaped rod structure;

the packing element 435 comprises a driving rack e4351 fixedly connected with the lower end of the pull rod 434, a driving gear d4352 meshed with the driving rack e4351, a driving gear e4353 coaxially arranged with the driving gear d4352, and a driving rack f4354 meshed with the driving gear e4353 and horizontally arranged, wherein one end of the driving rack f4354 is fixedly connected with a packing shaft 4355, the other end of the driving rack f4354 is fixedly connected with a telescopic unit d4356, and the packing shaft 4355 is in a variable-diameter structure; and

and the negative pressure machine 436 is in intermittent communication with the second air outlet 433.

In this embodiment, when the pull rod 434 is arranged to move downwards, the filling member 435 is used to complete a complete and closed space for the negative pressure cavity 431, so that the pull rod 434 is matched with the negative pressure cavity 431 to achieve an absorption effect on the lining cloth 10, and when the pull rod 434 moves to the second air outlet 433, the negative pressure machine 436 timely collects redundant hot melt adhesive powder 30.

In detail, when the pull rod 434 moves downwards, the driving rack e4351 drives the driving gear d4352 to rotate, the rotating driving gear d4352 drives the driving gear e4353 to rotate synchronously, the rotating driving gear e4353 drives the driving rack f4354 to move horizontally, and then the filling shaft 4355 is filled into the first air outlet 432, so that the closed space of the negative pressure cavity 431 is ensured; on the contrary, when the pull rod 434 moves upward, the driving rack e4351 drives the driving gear d4352 to rotate reversely, the rotating driving gear d4352 drives the driving gear e4353 to rotate synchronously and reversely, the rotating driving gear e4353 drives the driving rack f4354 to horizontally reset, so that the filling shaft 4355 exits the first air outlet 432, and the negative pressure cavity 431 is communicated with the outside air.

Further, as shown in fig. 2 and 10, the lifting assembly 44 includes:

one end of the connecting rod d441 is fixedly connected with the pressing plate 422, and the other end of the connecting rod d441 is fixedly connected with the pull rod 434;

a limit rail 442, wherein the limit rail 442 is mounted on the frame 11 and the connecting rod d441 is slidably and fittingly arranged on the limit rail 442 through a telescopic unit e 443; and

and a connecting rod e444, wherein one end of the connecting rod e444 is fixedly connected with the connecting rod c326, and the other end of the connecting rod e444 is fixedly connected with the connecting rod d 441.

Further, the winding assembly 12 comprises a winding shaft arranged on the frame 11 and used for winding the lining cloth, supporting arms arranged at two ends of the frame and used for supporting the winding shaft, and lining cloth driving pieces arranged on the frame and used for driving the winding shaft to rotate and wind.

EXAMPLE III

As shown in fig. 24 and 23, in which the same or corresponding components as those in the second embodiment are denoted by the same reference numerals as those in the second embodiment, only the differences from the second embodiment will be described below for the sake of convenience. The third embodiment is different from the second embodiment in that:

further, as shown in fig. 23 and 24, the first storage assembly 31 includes a storage bin 311, a connecting pipe 312 communicated with the storage bin 311, and a material conveying channel 313 fixedly connected to the other end of the connecting pipe 312 and mounted on the mounting frame a21, wherein a plurality of groups of discharging barrels 314 are communicated with the material conveying channel 313, the outer ends of the discharging barrels 314 are in contact with the inner wall of the ring 2261, and the output ends of the discharging barrels 314 are in one-to-one correspondence with the material storage area 2266.

In the embodiment, the first storage assembly 31 is arranged to be matched with the transmission assembly 32, so that when only the material storage area 2266 rotates to a position below the discharging barrel 314 of the dipping area 220, the output end of the discharging barrel 314 loses the limit of the partition plate a2263 and is communicated with the material storage area 2266, so as to realize discharging, and meanwhile, the transmission assembly 32 drives the first storage assembly 31 to be opened, so that quantitative feeding work is realized; on the contrary, the transmission assembly 32 drives the first storage assembly 31 to be closed, so that slurry is prevented from entering the dispensing assembly 22, the cleanliness of the dispensing assembly 22 is guaranteed, the service life of the device is prolonged, meanwhile, the storage area 2266 is utilized to be communicated with the output end of the discharging barrel 314 for a certain time, further, the discharging of the slurry is guaranteed to be certain, the utilization rate of the slurry is high, and the phenomena of excessive waste and insufficient dispensing cannot occur.

Further, as shown in fig. 3 to 4, the transmission assembly 32 includes:

the driving gear a321 is coaxial and fixedly connected with the transmission end of the driving piece 221, and teeth of the driving gear a321 are arranged at intervals;

a control valve 322, the control valve 322 being provided on the connection pipe 312;

a control gear 323, wherein the control gear 323 is coaxial with and fixedly connected with the control valve 322; and

the first transmission member 324 includes a driving rack a325 engaged with the driving gear a321 and vertically disposed, a connecting rod c326 fixedly connected with the driving rack a325 and horizontally disposed above the winding assembly 12, and a driving rack b327 fixedly connected with the connecting rod c326 and vertically disposed, and the driving rack b327 is fixedly mounted on the frame 11 through a telescopic unit b328 and is engaged with the control gear 323.

In detail, the driving part 221 drives the driving gear a321 to rotate, the rotating driving gear a321 drives the driving rack a325 to move downwards along the vertical direction, the driving rack a325 drives the driving rack b327 to move through the connecting rod c326, during the movement, the driving rack b327 drives the control gear 323 to rotate, the control gear 323 opens the control valve 322, and the slurry 20 in the storage bin 311 enters the material conveying channel 313 through the connecting pipe 312; on the contrary, when the driving rack a325 is not meshed with the driving gear a321, the driving rack a325 moves upwards along the vertical direction, the driving rack a325 drives the driving rack b327 to move reversely through the connecting rod c326, and in the moving process, the driving rack b327 drives the control gear 323 to rotate reversely, so that the control gear 323 closes the control valve 322.

The working process is as follows:

firstly, starting the winding component 12, enabling the lining cloth to horizontally move under the driving of the winding component 12, starting the driving component 221, enabling the driving component 221 to drive the driving gear a321 to rotate, enabling the rotating driving gear a321 to drive the driving rack a325 to downwards move along the vertical direction, enabling the driving rack a325 to drive the driving rack b327 to move through the connecting rod c326 in the moving process, enabling the driving rack b327 to drive the control gear 323 to rotate in the moving process, enabling the control gear 323 to open the control valve 322, and enabling the slurry 20 in the storage bin 311 to enter the material conveying channel 313 through the connecting pipe 312;

at this time, when the material storage area 2266 rotates to a position below the material discharge barrel 314 of the material dipping area 220, the output end of the material discharge barrel 314 loses the limit of the partition plate a2263 and is communicated with the material storage area 2266, the slurry automatically enters the material storage area 2266, the rotating piece 222 continuously rotates to the material dipping area 220, the material dipping piece 224 loses the limit of the guide assembly 23, the telescopic unit a2243 drives the rubber head 2246 to eject into the material storage area 2266 for material dipping, then, the rotating piece 222 continuously rotates, the rotating piece 222 moves to the material discharge area 227, the rubber head 2246 acts on the lining cloth 10 on the winding assembly 12, the rotating piece 222 continuously rotates to the material scraping area 228, the rotating piece 222 automatically lifts under the action of the guide assembly 23, the rubber head 2246 lifts to the scraper blade 241 for material scraping, the slurry scraped by the scraper blade 241 automatically drops downwards under the action of self weight, and the slurry is automatically collected by the arrangement of the material receiving groove 242 and is automatically output to one side by the slope of the material receiving groove 242, the slurry receiving groove 242 is used for outputting slurry in time; the rotating member 222 after completing the scraping work continues to rotate to the next dipping area 220, and the above work is repeated;

finally, the connecting rod c326 drives the connecting rod e444 to move in the vertical direction, the connecting rod e444 drives the powder suction mechanism 43 and the powder blowing mechanism 42 to work synchronously through the connecting rod d441, and the powder blowing mechanism 42 blows the hot melt adhesive powder 30 on the surface of the slurry 20 fully in a powder blowing mode, so that the hot melt adhesive powder 30 is completely adhered to the slurry 20; meanwhile, when the pull rod 434 moves downwards, the filling member 435 is matched with the first air outlet 432 to complete a complete and closed space for the negative pressure cavity 431, so that the pull rod 434 is matched with the negative pressure cavity 431 to achieve an absorption effect on the lining cloth 10, and when the pull rod 434 moves to the second air outlet 433, the negative pressure machine 436 timely collects redundant hot melt adhesive powder 30.

In the description of the present invention, it is to be understood that the terms "front-back", "left-right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the invention.

Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art in light of the technical teaching of the present invention should be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A production process of hot melt adhesive lining cloth is characterized by comprising the following steps:

step one, desizing, boiling and bleaching, namely, carrying out desizing, boiling and bleaching pretreatment on grey cloth to obtain semi-bleached cloth, and carrying out after-treatment to obtain a semi-finished lining cloth (10);

secondly, the lining cloth is transmitted, firstly, the winding component (12) is started, and the lining cloth (10) horizontally moves under the driving of the winding component (12);

step three, slurry feeding is carried out, the lining cloth (10) passes through the lining cloth in the moving process, the driving piece (221) is started, the driving piece (221) drives the first storage component (31) to discharge through the transmission component (32), and the slurry (20) in the storage bin (311) of the first storage component (31) enters the material conveying channel (313) through the connecting pipe (312); at the moment, when the material storage area (2266) rotates to a position below the discharging barrel (314) of the dipping area (220), the output end of the discharging barrel (314) loses the limit of the partition plate a (2263) and is communicated with the material storage area (2266), and the slurry automatically enters the material storage area (2266);

step four, sizing the rubber head, driving the rotating part (222) of the dispensing assembly (22) to continuously rotate to the dipping area (220) by the driving part (221), enabling the dipping unit (2242) of the dipping piece (224) to lose the limit of the guide assembly (23), and enabling the telescopic unit a (2243) to drive the rubber head (2246) to eject into the storage area (2266) to dip;

fifthly, the glue heads are used for dispensing glue, after the sizing operation is finished, the rotating piece (222) continues to rotate, the rotating piece (222) moves to the discharging area (227), and a plurality of groups of glue heads (2246) uniformly act on the lining cloth (10) right below at equal intervals;

step six, the glue head scrapes the thick liquid work, after finishing the work of pointing thick liquid, the rotating part (222) continues to rotate to the scraping area (228), the rotating part (222) is lifted automatically under the action of the guide assembly (23), the glue head (2246) is lifted to the scraper blade (241) to scrape the material, the thick liquid scraped by the scraper blade (241) automatically drops downwards under the action of the dead weight, the material receiving groove (242) automatically collects the thick liquid, the thick liquid is automatically output to one side by utilizing the slope of the material receiving groove (242), and the thick liquid in the material receiving groove (242) is timely output;

seventhly, blowing powder by the hot melt adhesive powder, wherein a connecting rod c (326) of the transmission assembly (32) drives a connecting rod e (444) of the lifting assembly (44) to move in the vertical direction, the connecting rod e (444) drives the powder blowing mechanism (42) to work through a connecting rod d (441), and the powder blowing mechanism (42) fully blows and covers the hot melt adhesive powder (30) in the second storage assembly (41) on the surface of the slurry (20) in a powder blowing mode, so that the hot melt adhesive powder (30) is completely adhered to the slurry (20);

step eight, powder is absorbed by the hot melt adhesive powder, and synchronously with the step seven, the powder absorbing mechanism (43) is driven to work synchronously in the lifting process of the connecting rod e (444) of the lifting assembly (44), the filling member (435) is matched with the first air outlet (432) to complete a complete and complete closed space for the negative pressure cavity (431), so that the pull rod (434) is favorably matched with the negative pressure cavity (431) to realize the absorption effect on the lining cloth (10), when the pull rod (434) moves to the second air outlet (433), the negative pressure machine (436) timely collects the redundant hot melt adhesive powder (30), and the semi-finished lining cloth (10) with the hot melt adhesive powder coating is continuously transmitted backwards under the driving of the rolling assembly (12);

and step nine, baking, namely baking the semi-finished lining cloth (10) with the hot melt adhesive powder coating through a baking oven.

2. A hot melt adhesive lining cloth production process according to claim 1, wherein in the seventh step, when the powder blowing mechanism (42) performs blowing operation, the reciprocating component (412) of the second storage component (41) drives the discharging bin (411) to reciprocate vertically and discontinuously.

3. A hot-melt adhesive interlining production process according to claim 2, wherein in the fifth step, the switching interval between two adjacent groups of dipping units (2242) is h1, the intermittent discharging interval of the discharging bin (411) is h2, and h1 is h 2.

4. A hot melt adhesive interlining production process according to claim 2, wherein the speed of the reciprocating assembly (412) moving up and down in the vertical direction is V1, and the speed of the pressing plate (422) of the powder blowing mechanism (42) moving up and down in the vertical direction is V2, V1 < V2.

5. A hot-melt adhesive lining cloth production process as claimed in claim 1, wherein in the seventh step, the gram weight of the powder point coating of the hot-melt adhesive powder (30) is 33-38g/m 2.

6. A hot-melt adhesive interlining production process according to claim 1, wherein in the third step, the slurry (20) is hot-melt adhesive which is High Density Polyethylene (HDPE), polyethylene-vinyl acetate (EVA) or polyether sulfone resin (PES).

7. The production process of the hot melt adhesive lining cloth according to claim 1, wherein in the seventh step, the fineness of the hot melt adhesive powder (30) is 80-200 meshes.

8. A hot melt adhesive interlining production process according to claim 1, characterized in that the specification of the interlining (10) is 45s T65/C35/58 x 50/47.

9. A hot-melt adhesive interlining production process according to claim 1, characterized in that the interlining (10) is of a porous structure.

10. A hot melt adhesive interlining production process according to claim 1, wherein in the ninth step, the baking oven temperature is 125-175 ℃.

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