CN220900861U

CN220900861U - Glue scraping assembly and glue applying device of water-based acrylic ester composite paper

Info

Publication number: CN220900861U
Application number: CN202322433410.2U
Authority: CN
Inventors: 钱东生; 钱宸茜
Original assignee: Jiangyin Runxuan Paper Industry Co ltd
Current assignee: Jiangyin Runxuan Paper Industry Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-05-07
Anticipated expiration: 2033-09-07

Abstract

The utility model discloses a scraping assembly of water-based acrylic ester composite paper, which is arranged on a frame and comprises: the scraping unit comprises a scraping shaft and an infiltration groove, wherein the scraping shaft rotates around the shaft axis of the scraping shaft and is connected with a driving assembly, and a plurality of annular grooves are formed in the circumferential outer edge of the scraping shaft; the paper pressing unit comprises a paper pressing roller, and the paper pressing roller is connected with an adjusting component for adjusting the distance between the axial lead of the paper pressing roller and the axial lead of the scraping shaft so as to adjust the contact area between the scraping shaft and paper. The utility model discloses a sizing device for water-based acrylic ester composite paper. The scraping assembly of the water-based acrylic ester composite paper and the gluing device thereof control the paper pressing roller to move through the adjusting assembly, change the paper transmission path, thereby adjusting the contact area between the paper transmission process and the scraping shaft, controlling the rotation of the scraping shaft by matching with the driving assembly, and reducing the requirement of the driving assembly on the accurate control of the rotation speed of the scraping shaft when realizing the adjustment of the scraping amount of the paper.

Description

Glue scraping assembly and glue applying device of water-based acrylic ester composite paper

Technical Field

The utility model relates to the technical field of production of water-based acrylic ester composite paper, in particular to a glue scraping assembly of water-based acrylic ester composite paper and a glue applying device thereof.

Background

The aqueous acrylic ester is a low-pollution even pollution-free coating, belongs to the aqueous coating, has rapid development in recent years, is a low-VOC environment-friendly product, has better glossiness, weather resistance, chemical resistance and stability, and has no pollution, no toxicity, no irritation and low cost, so that the aqueous acrylic ester is generally smeared on the surface of paper to form composite paper, and has certain waterproof and oil-proof characteristics, thereby meeting various packaging requirements.

In the prior art, for example, the Chinese utility model with the publication number of CN218945499U discloses a sizing component of antibacterial laminating paper, which controls a glue scraping shaft in contact with paper to rotate through a driving device, adjusts the rotating speed of the glue scraping shaft, thereby conveniently controlling the glue scraping amount of the paper to adjust the glue amount formed on the surface of the paper.

In the device, the rotation of the glue scraping shaft is controlled mainly by the driving device, and the rotating speed of the glue scraping shaft is regulated, so that the glue scraping amount of paper is controlled, and the glue residual amount on the surface of the paper after passing through the glue scraping shaft is regulated; when the scraping is performed, the matched guide roller is needed to press one surface of the paper, which is far away from the scraping shaft, and the contact area of the scraping shaft is fixed in the transmission process of the paper, so that the driving device is needed to accurately control the scraping shaft to keep proper rotating speed in order to ensure the scraping amount, and the driving precision requirement of the driving device is extremely high.

Accordingly, there is a need for an improvement in the art of doctor assemblies.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art and provides a glue scraping assembly and a glue applying device thereof for water-based acrylic ester composite paper, wherein the glue scraping amount is accurately controlled, and meanwhile, the requirement on the driving precision of a driving device is reduced.

In order to solve the technical problems, the utility model discloses a scraping assembly of water-based acrylic ester composite paper, which is arranged on a frame and is used for scraping part of glue on one surface of the paper, and comprises the following components:

The glue scraping unit comprises a glue scraping shaft and an infiltration groove, wherein the infiltration groove is horizontally arranged below the glue scraping shaft, the length direction of the infiltration groove is parallel to the axial direction of the glue scraping shaft, the glue scraping shaft rotates on the frame around the axis of the glue scraping shaft and is connected with a driving component for driving the glue scraping shaft to rotate, and a plurality of annular grooves which are closely distributed along the axial direction of the glue scraping shaft are arranged on the peripheral outer edge of the glue scraping shaft;

The paper pressing unit comprises a paper pressing roller, the axial direction of the paper pressing roller is parallel to the axial direction of the scraping shaft, the paper pressing roller and the scraping shaft are arranged along the paper conveying path and respectively attached to two sides of the paper conveying path, and the paper pressing roller rotates around the self axis and is connected with an adjusting component for adjusting the distance between the self axis and the scraping shaft axis so as to adjust the contact area between the scraping shaft and the paper.

Preferably, in order to control the platen roller to move conveniently, the adjusting component is a translation component, and the translation component drives the platen roller to do linear motion.

Preferably, in order to accurately adjust the axial position of the platen roller, the output end of the translation assembly is connected with a fine adjustment unit, the fine adjustment unit is used for driving the platen roller to translate, and the moving direction of the output end of the fine adjustment unit is parallel to the moving direction of the output end of the translation assembly.

Preferably, in order to accurately adjust the contact area between the doctor shaft and the paper, the fine adjustment unit comprises a screw rod and a screw sleeve which are in threaded connection, the screw rod rotates around the axis of the screw rod at the output end of the translation assembly, and the screw sleeve is connected with the paper pressing roller.

Preferably, in order to ensure that the platen roller can move smoothly along a predetermined direction when the platen roller is regulated to move, a guide rail is arranged between the output end of the translation assembly and the screw sleeve, the guide rail extends along the axial direction of the screw rod, and the screw sleeve is in sliding fit with the guide rail.

Preferably, in order to further enhance the scraping effect on the paper, the number of the scraping units is two, namely a first scraping unit and a second scraping unit, the first scraping unit is arranged on the paper feeding side of the second scraping unit, and the surface roughness of the scraping shaft of the first scraping unit is greater than that of the scraping shaft of the second scraping unit.

Preferably, in order to conveniently adjust the contact area between the paper and the two scraping shafts, three paper pressing rollers are arranged, and the three paper pressing rollers and the two scraping units are distributed at intervals along the paper conveying path.

Preferably, in order to facilitate assembly of the adjusting assembly, the two scraping units are distributed along the horizontal direction, and the adjusting assembly is a lifting assembly.

Preferably, in order to ensure the infiltration effect of the scraping shaft, the surface of the scraping shaft is prevented from being dried and fixed, and the circumferential outer edge of the scraping shaft is attached to the inner wall of the infiltration groove.

In order to solve the technical problems, the utility model also discloses a sizing device of the water-based acrylic ester composite paper, which comprises the following components:

The doctor assembly according to any one of the above technical solutions;

the glue spreading assembly is arranged on the paper feeding side of the glue spreading assembly, the glue spreading assembly comprises a glue groove and a glue spreading roller, a notch of the glue groove is upward, the glue spreading roller is attached to the same side of the paper conveying path and is axially parallel to the glue spreading shaft, and the glue spreading roller rotates around the axis of the glue spreading roller and is partially arranged in the glue groove.

In summary, compared with the prior art, the glue scraping assembly and the glue applying device of the water-based acrylic ester composite paper have the advantages that the adjusting assembly controls the platen roller to move to change the paper conveying path, so that the contact area between the paper conveying process and the glue scraping shaft is adjusted, the driving assembly is matched to control the glue scraping shaft to rotate, the adjustment of the glue scraping amount of the paper is realized, and meanwhile, the requirement of the driving assembly on the accurate control of the rotating speed of the glue scraping shaft is reduced.

Drawings

FIG. 1 is a schematic structural view of a sizing device for aqueous acrylate composite paper;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a side view of FIG. 1;

FIG. 5 is a schematic view of a portion of the structure of FIG. 2;

FIG. 6 is a schematic view of the structure of FIG. 5 from another perspective;

FIG. 7 is an exploded view of FIG. 6;

fig. 8 is an enlarged view of a portion a of fig. 7;

FIG. 9 is a schematic diagram of a connection structure of the translation assembly and the fine tuning unit;

FIG. 10 is an exploded view of FIG. 9;

FIG. 11 is a partial schematic view of the structure of FIG. 7;

FIG. 12 is an exploded view of FIG. 11;

In the figure: 100. a frame; 101. a side plate; 102. a bottom plate; 103. a top plate; 200. a scraping shaft; 201. an annular groove; 202. a butt joint hole; 203. a bolt; 204. a nut; 300. a soaking groove; 400. a drive assembly; 500. a platen roller; 600. a translation assembly; 601. a fixing frame; 602. a cylinder; 603. a translation frame; 604. a guide shaft; 605. a conduit; 700. a screw; 701. a second bearing; 800. a screw sleeve; 801. a third bearing; 900. a guide rail; 110. a glue groove; 120. a glue spreading roller; 130. a receiving groove; 140. a gear; 141. a concentric shaft; 150. a rack; 160. a worm wheel; 170. a worm; 171. a concentric rod; 172. a first bearing; 173. a handle; 180. a protective shell; 190. a guide rod; 210. guide sleeve; 220. a guide roller; 230. a collar; 240. and (3) a hose.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 12, the sizing device of the aqueous acrylic ester composite paper of the present utility model comprises:

a frame 100;

The gluing assembly is arranged on the frame 100, the gluing assembly comprises a glue groove 110 and a glue spreading roller 120, the notch of the glue groove 110 is upward, the glue spreading roller 120 and a glue scraping shaft 200 are attached to the same side of a paper conveying path and are axially parallel, the glue spreading roller 120 rotates around the axis of the glue spreading roller 120, and part of the roller surface is arranged in the glue groove 110;

The frictioning subassembly sets up in frame 100, and the frictioning subassembly is located the play paper side of gluing subassembly for strike off the partial glue of one side among them, the frictioning subassembly includes:

The scraping unit comprises a scraping shaft 200 and an infiltration tank 300, wherein the infiltration tank 300 is horizontally arranged below the scraping shaft 200, the length direction of the infiltration tank 300 is axially parallel to the scraping shaft 200, the scraping shaft 200 rotates on the frame 100 around the axis of the scraping shaft and is connected with a driving assembly 400 for driving the scraping shaft to rotate, and a plurality of annular grooves 201 which are closely distributed along the axial direction of the scraping shaft 200 are arranged on the peripheral outer edge of the scraping shaft 200;

The paper pressing unit comprises a paper pressing roller 500, the axial direction of the paper pressing roller 500 is parallel to the axial direction of the scraping shaft 200, the paper pressing roller 500 and the scraping shaft 200 are arranged along the paper conveying path and are respectively attached to two sides of the paper conveying path, and the paper pressing roller 500 rotates around the axis of the paper pressing roller 500 and is connected with an adjusting assembly for adjusting the distance between the axis of the paper pressing roller and the axis of the scraping shaft 200 so as to adjust the contact area between the scraping shaft 200 and the paper.

When the device is operated, glue using water-based acrylic ester as a main raw material is filled in the glue groove 110, the glue spreader 120 horizontally rotates on the frame 100, the bottom of the glue spreader contacts with the glue in the glue groove 110, and the top of the glue spreader contacts with the paper conveying path, so that the glue spreader 120 can spread the contaminated glue on the paper surface after rotating.

A guide roller 220 which is axially parallel to the glue spreading roller 120 and rotates on the frame 100 around the axial lead thereof is arranged between the glue spreading component and the glue spreading component, the guide roller 220 is contacted with one surface of the paper, which is far away from the glue spreading surface, and the guide roller 220 guides the paper to pass through the glue spreading component.

When paper passes through the scraping assembly, the paper contacts with the circumferential outer edge of the scraping shaft 200, the driving assembly 400 drives the scraping shaft 200 to rotate around the axis of the scraping shaft 200, so that the scraping shaft 200 can scrape redundant glue on the surface of the paper, annular grooves 201 which are distributed along the axial direction of the scraping shaft are formed in the scraping shaft 200, the glue on the surface of the paper can flow through the annular grooves 201 and then flow downwards into the infiltration groove 300 in the rotating process of the scraping shaft 200, on one hand, the glue scraped from the paper is prevented from spreading to the two ends of the scraping shaft 200, the pollution device and the surrounding production environment are avoided, and on the other hand, the glue in the infiltration groove 300 can keep the surface of the scraping shaft 200 wet, and the surface drying of the scraping shaft 200 is prevented from affecting the scraping effect; and the glue scraping shaft 200 is forcibly driven to rotate by the driving assembly 400 to scrape part of the glue on the surface of the paper, thereby controlling the amount of the glue attached to the surface of the paper. Generally, the higher the rotation speed of the doctor shaft 200, the more glue the doctor shaft 200 can scrape, and the less glue remains on the surface of the corresponding paper, and the smaller the thickness of the formed composite paper.

In order to reduce the control precision of the driving assembly 400 on the rotation speed of the scraping shaft 200, a paper pressing unit is further arranged in the scraping assembly, in the paper pressing unit, the paper pressing roller 500 is controlled to move by utilizing the adjusting assembly, and the distance between the paper pressing roller 500 and the scraping shaft 200 is adjusted, so that the contact area between paper and the scraping shaft 200 is changed, and on the basis that the rotation speed of the scraping shaft 200 is kept constant, the larger the contact area between the scraping shaft 200 and the paper is, the larger the scraping amount of the scraping shaft 200 is, and correspondingly, the smaller the amount of glue formed on the surface of the paper is, and vice versa.

In the utility model, the axial position of the pressure roller 500 is changed by arranging the adjusting unit, so that the contact area of the scraping shaft 200 and paper can be controlled, the scraping amount of the scraping shaft 200 is adjusted, namely, the scraping amount of the paper can be adjusted by changing the position of the pressure roller 500 and controlling the rotating speed of the scraping shaft 200, and the driving precision requirement of the driving assembly 400 is reduced on the basis of meeting the requirement of adjusting the thickness of formed composite paper.

In the utility model, a rack 100 comprises two side plates 101 which are distributed side by side along the horizontal direction, wherein the two side plates 101 are vertically arranged, the bottoms of the two side plates 101 are fixedly connected through a horizontal bottom plate 102, and the tops of the two side plates are fixedly connected through a horizontal top plate 103.

The driving assembly 400 is a servo motor, a casing of the servo motor is fixed on one side plate 101 and faces the other side plate 101, the other side plate 101 and an output end of the servo motor are detachably connected with two ends of the scraping shaft 200 respectively, specifically, as shown in fig. 6-8, two ends of the scraping shaft 200 are all provided with the butt joint holes 202, bolts 203 penetrate through the butt joint holes 202, nuts 204 are connected with the bolts 203 in a threaded manner, the output end of the servo motor and the end part of the scraping shaft 200 corresponding to the output end are clamped between a cap part of the bolts 203 and the nuts 204, a connecting bearing is arranged on the side plate 101 corresponding to the other end of the scraping shaft 200, a collar 230 is connected with the connecting bearing, two opposite through holes are arranged on the collar 230, the end part of the scraping shaft 200 is arranged on the inner side of the collar 230, a rod part of the bolts 203 penetrates through the two through holes and the butt joint holes 202 and is in threaded connection with the nuts 204, so that the scraping shaft 200 is detachably connected with the driving assembly 400 and the frame 100, after the scraping shaft 200 is used for a long time, operations such as to clean the scraping shaft 200, the scraping shaft 200 is then inserted into the collars 200 and the nuts 204 are screwed into the two ends of the driving assembly 200, and the scraping shaft 200 is inserted into the end parts of the driving assembly.

In order to enhance the scraping effect, in the present utility model, two scraping units are provided, namely, a first scraping unit and a second scraping unit, wherein the first scraping unit is disposed on the paper feeding side of the second scraping unit, and the surface roughness of the scraping shaft 200 of the first scraping unit is greater than that of the scraping shaft 200 of the second scraping unit.

Further specifically, the two doctor blade shafts 200 are all made of American RDS coating bars, formed by winding stainless steel wires, the coating of the bars is accurate, multiple coating film thicknesses can be provided, different experimental requirements are met, the RDS bars belong to the wire winding bars, are grooves formed by winding filaments around the steel bars, the bars are used for preparing wet films, the brand numbers of the two doctor blade shafts 200 are RDS, wherein the number of the doctor blade shaft 200 of a first doctor blade unit is 16, and the number of the doctor blade shaft 200 of a second doctor blade unit is 10.

After the design is adopted, the two scraping units are utilized to realize secondary scraping on the same surface of paper, so that the uniformity of residual glue distribution on the surface of the paper after the scraping treatment is ensured, so that a glue layer with uniform thickness is formed on the surface of the paper, and furthermore, the surface roughness of the scraping shaft 200 in the first scraping unit is larger than that of the scraping shaft 200 in the second scraping unit, so that the surface texture of the scraping shaft 200 in the first scraping unit is coarser, more glue can be contained, the first scraping unit can perform rough scraping when the scraping assembly is used for scraping, most of glue on the surface of the paper is scraped, the second scraping unit can be utilized for finely scraping the paper, namely scraping the residual part of glue on the surface of the paper, so that a thinner and uniform glue layer is formed on the surface of the paper, and the thickness of formed composite paper is prevented from being too large, and the forming quality of the composite paper is improved.

In order to ensure the wetting effect of the surface of the doctor shaft 200, the surface drying is avoided, the doctor effect on paper is affected, and the circumferential outer edge of the doctor shaft 200 is attached to the inner wall of the infiltration tank 300.

More specifically, the cross section of the inner wall of the infiltration tank 300 is preferably arc-shaped. So, increased the degree of depth of infiltration groove 300, increased the area of contact of infiltration groove 300 inner wall and frictioning axle 200 simultaneously, when striking off and watering, glue can directly enter into infiltration groove 300 through the ring channel 201 on the frictioning axle 200, through glue in infiltration groove 300 and frictioning axle 200 surface contact to guaranteed the moist effect of frictioning axle 200 surface, avoided the frictioning effect to the paper of influence after the frictioning axle 200 surface glue is solid futilely.

Further improved is that the two ends of the notch of the infiltration tank 300 are provided with guide surfaces, one side of the guide surfaces, which is connected with the infiltration tank 300, is a connecting side, the other side is a deviating side, the connecting side is lower than the deviating side, and the deviating side is in gradual transition setting with the connecting side.

Specifically, the guide surface is inclined downwards, towards the notch of the infiltration tank 300, after the scraping shaft 200 rotates with glue through the annular groove 201 of the scraping shaft, part of the glue falls on the guide surface along the scraping shaft 200, flows downwards on the inclined guide surface and enters into the infiltration tank 300, so that the overflow condition of the glue is reduced, the glue capacity is further increased, and the cleaning of the surrounding environment of a production workshop is guaranteed.

After the rubberizing device is used for a long time, the glue amount in the infiltration tank 300 is gradually increased, the glue is easy to escape and falls on the ground to influence the surrounding working environment, therefore, the lower part of the infiltration tank 300 is provided with the receiving tank 130 with the upward notch, and the receiving tank 130 is used for receiving the glue falling from the lower part of the infiltration tank 300, so that the glue is prevented from polluting the surrounding environment. The receiving groove 130 extends along the axial direction parallel to the scraping shaft 200 to be fixedly connected with the two side plates 101, and a pillar is fixed above the bottom of the receiving groove 130 and is used for fixedly supporting the infiltration groove 300 above.

Further, the projection of the immersion tank 300 on the horizontal plane is located within the projection of the notch of the receiving tank 130 on the horizontal plane.

After the design is adopted, the size of the notch of the receiving groove 130 is increased, the glue overflowed from the infiltration groove 300 is ensured to smoothly fall into the receiving groove 130, and the glue is prevented from falling out of the receiving groove 130 to affect the surrounding production environment.

Further improvement is that the receiving groove 130 is communicated with the glue groove 110, and the groove bottom height of the receiving groove 130 is larger than or equal to the groove opening height of the glue groove 110.

Specifically, the height of the bottom of the receiving groove 130 is greater than the height of the notch of the glue groove 110, so that the glue overflowed from the soaking groove 300 can flow downwards into the glue groove 110 after falling into the receiving groove 130, and the glue roller 120 is used for being stained with glue on one side of the paper, thereby saving the glue consumption and avoiding the waste of the glue.

The further improvement is that the frame 100 is also provided with a lifting device, and the output end of the lifting device is connected with the glue groove 110 to adjust the contact area between the glue spreader 120 and the glue in the glue groove 110; the receiving groove 130 communicates with the glue groove 110 through a hose 240.

After the design is adopted, the height of the glue groove 110 can be controlled through the lifting device, so that the contact area of the glue spreader 120 and glue in the glue groove 110 is adjusted, the glue discharge amount of the glue spreader 120 on the surface of paper is adjusted, the glue scraping assembly is matched, and the glue amount finally formed on the surface of paper can be precisely controlled, namely, the parameters of the height of the glue groove 110, the rotating speed of the glue scraping shaft 200 and the contact area of the glue scraping shaft 200 and paper are controlled, so that the glue amount formed on the surface of paper is precisely controlled, and the precision requirement on the rotating speed of the driving assembly 400 for controlling the glue scraping shaft 200 can be further reduced.

And the two ends of the hose 240 are respectively connected with the bottom of the receiving groove 130 and the bottom of the glue groove 110, so that the receiving groove 130 and the glue groove 110 are kept in communication, and the hose 240 can be correspondingly deformed according to the height position of the glue groove 110, so as to ensure the communication between the receiving groove 130 and the glue groove 110.

In order to drive the glue groove 110 to perform lifting movement so as to adjust the glue discharge amount of the glue spreader 120, the lifting device comprises a gear 140, a rack 150 and an operation unit, wherein the operation unit drives the gear 140 to axially rotate on the frame 100 around the operation unit, and the rack 150 is meshed with the gear 140 and fixedly connected with the glue groove 110.

As shown in fig. 5-8, gears 140 are rotatably disposed on both side plates 101, the two gears 140 are fixedly connected through concentric shafts 141, the top ends of the two gears 140 are respectively fixedly connected with two ends of the glue groove 110, and racks 150 extending in the vertical direction are respectively meshed with the two gears 140. A guide rod 190 and a guide sleeve 210 which are slidably connected in the vertical direction are arranged between the glue groove 110 and the frame 100, specifically, the guide sleeve 210 is fixed on the back surface of the rack 150, the guide rod 190 is fixed above the bottom plate 102 and extends in the vertical direction, the guide rod 190 is slidably matched with the guide sleeve 210, and the operation unit is connected with one of the gears 140.

After the structure is adopted, the operation unit drives one gear 140 to rotate on the side plate 101 around the axis line of the operation unit, the concentric shaft 141 drives the other gear 140 to rotate, the gear is acted on the two racks 150, the racks 150 stably move along the vertical direction under the sliding fit action of the guide rod 190 and the guide sleeve 210, the glue groove 110 can be driven to move in a lifting mode, the glue quantity carried by the glue spreader 120 during rotation is regulated, and the glue quantity of paper is regulated.

In order to drive the rotation of the gear 140, the operation unit includes a worm wheel 160 and a worm 170, which are matched, the worm wheel 160 is connected with the gear 140 by a coaxial line, the worm 170 rotates on the frame 100 around its own axis, and one end of the worm 170 is connected with a handle 173.

Specifically, the operation unit and the gear 140 are respectively arranged at two sides of the side plate 101, in the operation unit, the worm wheel 160 is connected with the gear 140 by a coaxial line, the worm 170 is fixedly connected with a concentric rod 171 by a coaxial line, one end of the concentric rod 171 away from the worm 170 is fixedly connected with a handle 173, the side plate 101 is also provided with a first bearing 172, and the concentric rod 171 penetrates through the first bearing 172 and is fixedly connected with the inner ring of the first bearing 172; the side plate 101 is further provided with a protective shell 180, the protective shell 180 and the side plate 101 are enclosed to form a protective cavity surrounding the operation unit, and the concentric rod 171 penetrates through the inner wall of one side of the protective shell 180 in a sealing mode.

After the structure is adopted, in the production process, the handle 173 is rotated, the worm 170 can be driven to rotate by the concentric rod 171 and acts on the worm wheel 160, so that the worm wheel 160 drives the gear 140 to rotate, and further the rack 150 is moved, thereby realizing the lifting movement of the glue groove 110.

The paper conveying device is further improved in that three paper pressing rollers 500 are arranged, and the three paper pressing rollers 500 and the two scraping units are distributed at intervals along the paper conveying path; the two doctor blade units are distributed along the horizontal direction, the adjusting component is a translation component 600, and the translation component 600 is a lifting component for driving the three platen rollers 500 to synchronously lift.

After the structure is adopted, the two glue scraping units are distributed along the horizontal direction, the adjusting assembly is defined as the translation assembly 600, and the three paper pressing rollers 500 are driven to synchronously do lifting motion, so that the whole gluing device is convenient to assemble. The translation assembly 600 drives the three platen rollers 500 to synchronously move up and down to change the paper conveying path, so as to adjust the contact area between the paper and the scraping shaft 200 and further change the scraping amount.

As shown in fig. 9 and 10, the translation assembly 600 includes a fixing frame 601, an air cylinder 602 and a translation frame 603 which are sequentially arranged, a cylinder barrel of the air cylinder 602 is fixedly connected with the side plate 101 through the fixing frame 601, a piston rod is connected with the platen roller 500 through the translation frame 603, and the air cylinder 602 is vertically arranged; the translation frame 603 is fixedly connected with a guide pipe 605 extending along the vertical direction, the fixing frame 601 is fixedly connected with a guide shaft 604 extending along the vertical direction, and the guide pipe 605 is in sliding fit with the guide shaft 604. Under the sliding fit action of the guide pipe 605 and the guide shaft 604, the translation frame 603 drives the platen roller 500 to stably lift and move through the telescopic movement of the piston rod of the air cylinder 602, so as to adjust the contact area of paper and the scraping shaft 200, and further adjust the glue quantity finally formed on the surface of the paper through controlling the scraping quantity of the paper.

Further improved is that the output end of the translation assembly 600 is connected with a fine tuning unit, the fine tuning unit is used for driving the platen roller 500 to translate, and the moving direction of the output end of the fine tuning unit is parallel to the moving direction of the output end of the translation assembly 600.

The three fine tuning units are arranged and correspond to the three paper pressing rollers 500 one by one, and can independently control the axial height positions of the paper pressing rollers 500, so that the glue amount of rough scraping and fine scraping treatment is independently controlled, and a glue layer with the thickness reaching the preset requirement is formed on the surface of paper.

Specifically, the fine tuning unit includes a screw 700 and a screw sleeve 800 in threaded connection, the screw 700 rotates around its own axis at the output end of the translation assembly 600, and the screw sleeve 800 is connected with the platen roller 500; a guide rail 900 is provided between the output end of the translation assembly 600 and the screw sleeve 800, the guide rail 900 extending in the axial direction of the screw 700, and the screw sleeve 800 being in sliding engagement with the guide rail 900.

Screw 700 and swivel nut 800 all extend along the plumb direction, be provided with the second bearing 701 on the translation frame 603, the outer lane and the translation frame 603 fixed connection of second bearing 701, the inner race cover is located outside screw 700 and with screw 700 fixed connection for screw 700 can rotate around self axial lead, guide rail 900 sets up in the below of second bearing 701, and with translation frame 603 body coupling, the adjacent one side of swivel nut 800 and translation frame 603 is provided with the spout with guide rail 900 looks adaptation, the spout is the T-shaped groove, make behind the rotation screw 700, can drive the steady lift of swivel nut 800 along guide rail 900, adjust the height position. The screw sleeve 800 is provided with a third bearing 801, the outer ring of the third bearing 801 is fixedly connected with the screw sleeve 800, and the inner ring is fixedly connected with the roll shaft of the platen roller 500, so that the platen roller 500 can rotate around the axis line of the platen roller under the supporting action of the third bearing 801 while lifting and moving can be met.

In order to ensure stable lifting movement and rotation of the platen roller 500 around the axis of the platen roller, one side plate 101 is provided with a translation assembly 600, the output end of the translation assembly 600 is provided with a fine adjustment unit, the other side plate 101 is provided with the translation assembly 600, in the translation assembly 600, a translation frame 603 is integrally connected with a guide rail 900, the guide rail 900 is in sliding fit with a screw sleeve 800, and the screw sleeve 800 is provided with a third bearing 801 connected with the end part of the platen roller 500.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a water-based acrylic ester composite paper's frictioning subassembly sets up on frame (100) for strike off the partial glue of one of them face of paper, its characterized in that includes:

The scraping unit comprises a scraping shaft (200) and an infiltration groove (300), wherein the infiltration groove (300) is horizontally arranged below the scraping shaft (200) and is upwards provided with a notch, the length direction of the infiltration groove (300) is axially parallel to the scraping shaft (200), the scraping shaft (200) rotates around the axis of the scraping shaft on the frame (100) and is connected with a driving assembly (400) for driving the scraping shaft to rotate, and a plurality of annular grooves (201) which are closely distributed along the axial direction of the scraping shaft are arranged on the peripheral outer edge of the scraping shaft (200);

The paper pressing unit comprises a paper pressing roller (500), the axial direction of the paper pressing roller (500) is parallel to the axial direction of the scraping shaft (200), the paper pressing roller (500) and the scraping shaft (200) are arranged along the paper conveying path and are respectively attached to two sides of the paper conveying path, and the paper pressing roller (500) rotates around the self axis and is connected with an adjusting component for adjusting the axial lead distance between the self axis and the scraping shaft (200) so as to adjust the contact area between the scraping shaft (200) and the paper.

2. The aqueous acrylate composite paper doctor assembly of claim 1 wherein: the adjusting component is a translation component (600), and the translation component (600) drives the platen roller (500) to do linear motion.

3. The aqueous acrylate composite paper doctor assembly according to claim 2 wherein: the output end of the translation assembly (600) is connected with a fine adjustment unit, the fine adjustment unit is used for driving the platen roller (500) to translate, and the moving direction of the output end of the fine adjustment unit is parallel to the moving direction of the output end of the translation assembly (600).

4. A doctor assembly for aqueous acrylate composite paper according to claim 3 wherein: the fine adjustment unit comprises a screw (700) and a screw sleeve (800) which are in threaded connection, the screw (700) rotates around the axis of the screw to the output end of the translation assembly (600), and the screw sleeve (800) is connected with the paper pressing roller (500).

5. The aqueous acrylate composite paper doctor assembly according to claim 4 wherein: a guide rail (900) is arranged between the output end of the translation assembly (600) and the threaded sleeve (800), the guide rail (900) extends along the axial direction of the screw (700), and the threaded sleeve (800) is in sliding fit with the guide rail (900).

6. The aqueous acrylate composite paper doctor assembly of claim 1 wherein: the first scraping unit is arranged on the paper feeding side of the second scraping unit, and the surface roughness of a scraping shaft (200) of the first scraping unit is larger than that of a scraping shaft (200) of the second scraping unit.

7. The aqueous acrylate composite paper doctor assembly according to claim 6 wherein: the three paper pressing rollers (500) are arranged, and the three paper pressing rollers (500) and the two scraping units are distributed at intervals along the paper conveying path.

8. The aqueous acrylate composite paper doctor assembly according to claim 6 wherein: the two scraping units are distributed along the horizontal direction, and the adjusting component is a lifting component.

9. The aqueous acrylate composite paper doctor assembly of claim 1 wherein: the circumferential outer edge of the scraping shaft (200) is attached to the inner wall of the infiltration groove (300).

10. The utility model provides a rubberizing device of waterborne acrylic ester compound paper which characterized in that includes:

a doctor assembly as claimed in any one of claims 1 to 9;

The glue spreading assembly is arranged on the paper feeding side of the glue spreading assembly, the glue spreading assembly comprises a glue groove (110) and a glue spreading roller (120), a notch of the glue groove (110) faces upwards, the glue spreading roller (120) and a glue spreading shaft (200) are attached to the same side of a paper conveying path and are axially parallel, and the glue spreading roller (120) rotates around an axial lead of the glue spreading roller and is partially arranged in the glue groove (110).