Adhesive coating device

Abstract

The utility model discloses an adhesive coating device, which relates to the technical field of adhesive coating equipment, and comprises a mounting box, a material conveying roller and a material receiving roller which are arranged on two sides of the mounting box and are used for feeding and receiving materials, at least two scrapers which are symmetrically arranged on two sides of a workpiece, can move oppositely or oppositely and are used for scraping adhesive on the workpiece; the heating resistance wires are connected in the scraper and are distributed in a linear array along the length direction of the cross section of the scraper; glue on a workpiece is scraped through the scraper, and the gluing thickness can be controlled. A heating resistance wire is arranged, the temperature can be flexibly adjusted according to the gluing thickness requirement, when the gluing thickness is increased, the temperature is increased, the glue fluidity is enhanced, and the gluing quality and adhesive force are improved; when the gluing thickness is reduced, the temperature is reduced, the glue viscosity is increased, and the scraper can scrape redundant glue conveniently. The accurate temperature control ensures the stability and reliability of the gluing process, and improves the product quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to gluing equipment technical field, concretely is a kind of adhesive coating device. BACKGROUND

[0002] Coating device is mainly used for the surface coating process production of film, paper and the like, this machine is to coat the substrate in roll with a layer of glue, paint or ink etc.

[0003] The existing Chinese patent (publication number: CN212418531U) discloses a polyurethane adhesive coating device, which comprises a bottom plate and a box body, the box body is fixedly connected to the bottom plate, the bottom plate is fixedly connected with a paint heating box and a winding box from right to left, a paint roller shaft is rotatably connected to the inner wall of the paint heating box, a winding machine is rotatably connected to the inner wall of the winding box, a first rolling shaft, a second roller shaft, a first roller shaft, a third rolling shaft and a second rolling shaft are rotatably connected to the inner wall of the box body from right to left, a cutter box, a heating device and a fan box are fixedly connected to the inner wall of the box body from left to right, and two cutter boxes are slidably connected with scrapers.

[0004] The above-mentioned coating device can control the thickness of the glue by driving the two scrapers respectively during use, but during the scraping process of the scrapers, a certain amount of glue may remain on the scrapers, which will undoubtedly increase with the increase of the use time. On the one hand, the remaining glue may affect the scraping effect of the scraper, making it difficult to accurately control the glue thickness, resulting in unstable product quality. On the other hand, the remaining glue may solidify on the scraper for a long time, further affecting the performance of the scraper, and even damaging the scraper.

[0005] Therefore, we design a kind of adhesive coating device to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of adhesive coating device to solve the problems raised in the above background.

[0007] To solve the above technical problems, the utility model provides an adhesive coating device, which comprises a mounting box and a feeding roller and a receiving roller arranged on both sides of the mounting box for feeding and receiving material, and comprises,

[0008] The scraper is at least two, symmetrically arranged on both sides of the workpiece, and can move relative to or away from the workpiece for scraping the glue on the workpiece.

[0009] A plurality of heating resistance wires are connected in the scraper, linearly arrayed along the length direction of the cross section of the scraper, and the spacing between the plurality of heating resistance wires increases successively.

[0010] Sliding rheostat, at least two, corresponding to the heating resistance wire, connected to the rear side of the installation box.

[0011] Further, the installation box is also provided with a synchronous adjusting assembly, comprising,

[0012] Bidirectional screw rod, rotationally connected to the rear side of the installation box, two nuts symmetrically connected on the bidirectional screw rod, one end of the nut extending into the installation box and connected with the scraper;

[0013] Toggle lever, connected to the nut, and the position corresponding to the sliding rheostat, the sliding rheostat is integrally formed with a sliding block, and the sliding block is synchronously adjusted with the movement of the toggle lever;

[0014] Servo motor, provided on the rear side of the installation box, the driving end of the servo motor connected with one end of the bidirectional screw rod for driving the bidirectional screw rod to rotate.

[0015] Further, the rear side of the installation box is connected with two mounting seats symmetrically, and the bidirectional screw rod is rotationally connected to the mounting seat.

[0016] Further, a guide rod is connected between the two mounting seats, and the nut is slidingly connected to the guide rod, and the nut is provided with a sliding opening matched with the guide rod.

[0017] Further, a plurality of conveying rollers are rotationally connected in the installation box, and the plurality of conveying rollers are used in cooperation for conveying the workpiece.

[0018] Further, a collecting box is connected in the installation box, and one of the conveying rollers is rotationally connected in the collecting box.

[0019] Further, the two sides of the installation box are connected with fixing seats, and the conveying rollers and the collecting rollers are rotationally connected to the two fixing seats respectively.

[0020] Further, a maintenance plate is arranged on one side of the installation box, and the maintenance plate is detachably arranged on one side of the installation box by bolts.

[0021] Compared with the prior art, the beneficial effects of the present application are:

[0022] 1. The glue on the workpiece is scraped by the scraper, and the glueing thickness can be controlled. The setting of the heating resistance wire can flexibly adjust the temperature according to the glueing thickness requirement. When the glueing thickness increases, the temperature is increased to enhance the flowability of the glue, improve the glueing quality and adhesion; when the glueing thickness decreases, the temperature is reduced, the viscosity of the glue is increased, and the excess glue is scraped by the scraper. This precise temperature control ensures the stability and reliability of the glueing process, and improves the product quality.

[0023] 2. Servo motor drives bidirectional screw rod, realizes the adjustment of two nut drives scraper position, thereby can efficiently control the glue coating thickness, satisfies different production demand. Meanwhile, the slider is synchronously adjusted with the slide rheostat which is driven by the nut moving with the driving rod, ensures to adjust the resistance value in time according to the change of scraper position, and then controls the heating power of heating resistance wire. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the overall structure schematic view of the utility model outside;

[0025] Figure 2 It is the sectional structure schematic view of the utility model outside;

[0026] Figure 3 It is the rear view of the utility model outside;

[0027] Figure 4 It is the utility model Figure 3 The structure enlarged view of A place in the utility model;

[0028] Figure 5 It is the structure enlarged view of B place in the utility model Figure 2 .

[0029] In the drawing: 1, installation box; 2, feed roller; 3, receiving roller; 4, conveying roller; 501, scraper; 502, heating resistance wire; 503, slide rheostat; 601, bidirectional screw rod; 602, nut; 603, driving rod; 604, servo motor; 7, guide rod; 8, mounting seat; 9, collection box. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Referring to Figures 1-5 As shown in the figure, an adhesive coating device includes installation box 1 and the feed roller 2 and receiving roller 3 arranged on both sides of the installation box 1 for feeding and receiving, including,

[0032] Scraper 501, at least two, symmetrically arranged on both sides of the workpiece, for scraping the glue on the workpiece;

[0033] A plurality of heating resistance wires 502 are connected in the scraper 501, and are distributed in linear array along the length direction of the cross section of the scraper 501, and the spacing between the plurality of heating resistance wires 502 increases in turn;

[0034] The slide rheostat 503, at least two, corresponds to the heating resistance wire 502, is connected to the rear side of the installation box 1.

[0035] It should be noted that the two slide rheostats 503 are installed in parallel on the horizontal plane, so that their operating directions are opposite, that is, during the relative or opposite movement of the scraper 501, the two slide rheostats 503 adjust the same resistance value.

[0036] In specific implementation, the workpiece enters the device through the feed roller 2 on one side of the installation box 1, at this time, the at least two scrapers 501 symmetrically arranged on both sides of the workpiece start to scrape the glue on the workpiece, and in the process of scraping the glue, the heating resistance wire 502 arranged can be used to generate heat on the outer surface of the scraper 501 to improve the fluidity of the glue, thereby avoiding the solidification of the glue and affecting the subsequent scraping effect, and in the process of adjusting the thickness of the glue;

[0037] When the two scrapers 501 move in opposite directions and the glue thickness increases, the heating resistance wire 502 should increase the heating temperature or power. Increasing the temperature can enhance the fluidity of the glue and make it easier to spread on the workpiece surface, thereby forming a thicker glue layer. At the same time, the higher temperature also helps the glue to better combine with the workpiece surface, improves the quality and adhesion of the glue, and when the glue thickness decreases, the heating resistance wire 502 should reduce the heating temperature or power. Because at this time, the fluidity of the glue needs to be reduced to avoid excessive softening of the glue and difficult to control the thickness. Reducing the temperature can relatively increase the viscosity of the glue, which is more conducive to the scraper 501 to scrape off the excess glue, thereby achieving a thinner glue thickness.

[0038] Reference Figure 3 and Figure 4 The installation box 1 is also provided with a synchronous adjusting assembly, which comprises,

[0039] The bidirectional screw rod 601 is rotatably connected to the rear side of the installation box 1, and the two nuts 602 symmetrically arranged with each other are threadedly connected to the bidirectional screw rod 601, one end of the nut 602 extends into the installation box 1 and is connected with the scraper 501;

[0040] The push rod 603 is connected to the nut 602, and the position corresponds to the slide rheostat 503, and the slide rheostat 503 is integrally formed with a sliding block, and the sliding block is synchronously adjusted with the movement of the push rod 603;

[0041] The servo motor 604 is arranged on the rear side of the installation box 1, and the driving end thereof is connected with one end of the bidirectional screw rod 601 for driving the bidirectional screw rod 601 to rotate.

[0042] In specific implementation, the servo motor 604 at the rear side of the installation box 1 is started. The driving end of the servo motor 604 drives the bidirectional screw rod 601 to start rotating. Since the two nuts 602 are symmetrically connected to the bidirectional screw rod 601, when the bidirectional screw rod 601 rotates, according to the screw transmission principle, the two nuts 602 will move along the bidirectional screw rod 601, so as to adjust the position of the scraper 501 and facilitate the control of the glue coating thickness.

[0043] The toggle lever 603 connected to the nut 602 moves with the nut 602, which pushes or drives the sliding block to move synchronously, so as to realize synchronous adjustment of the sliding rheostat 503, so as to synchronously adjust the resistance value of the sliding rheostat 503 according to the change of the position of the scraper 501.

[0044] Reference Figure 4 The rear side of the installation box 1 is connected with two mounting seats 8 which are symmetric to each other, and the bidirectional screw rod 601 is rotatably connected to the mounting seat 8.

[0045] Specifically, the setting facilitates the installation of the bidirectional screw rod 601.

[0046] Reference Figure 4 The two mounting seats 8 are connected with a guide rod 7, and the nut 602 is slidably connected to the guide rod 7. The nut 602 is provided with a sliding hole matched with the guide rod 7.

[0047] Specifically, the guide rod 7 can limit and guide the sliding of the nut 602, improving the stability of the nut 602 during sliding.

[0048] Reference Figure 2 A plurality of conveying rollers 4 are rotatably connected in the installation box 1. The plurality of conveying rollers 4 are used in cooperation to convey the workpiece.

[0049] Specifically, the setting facilitates the conveying of the workpiece and improves the conveying efficiency.

[0050] Reference Figure 2 The installation box 1 is connected with a collecting box 9, and one of the conveying rollers 4 is rotatably connected in the collecting box 9. The collecting box 9 is convenient for collecting and reusing the dripping glue, and also facilitates the gluing of the workpiece.

[0051] Reference Figure 1 Both sides of the installation box 1 are connected with fixing seats, and the material conveying roller 2 and the material collecting roller 3 are rotatably connected to the two fixing seats respectively.

[0052] Specifically, the device facilitates the installation of the material conveying roller 2 and the material collecting roller 3.

[0053] Reference Figure 1The side of the installation box 1 is provided with an access plate which is detachably arranged on the side of the installation box 1 through bolts.

[0054] Working principle: when in use, the workpiece enters the device through the feeding roller 2 on the side of the installation box 1, at this time, the servo motor 604 on the rear side of the installation box 1 is started. The driving end of the servo motor 604 drives the bidirectional screw rod 601 to start rotating. Since the bidirectional screw rod 601 is screw-connected with two nuts 602 which are symmetrical to each other, when the bidirectional screw rod 601 rotates, according to the screw transmission principle, the two nuts 602 will move along the bidirectional screw rod 601, so as to adjust the position of the scraper 501 and facilitate the control of the glue thickness.

[0055] The push rod 603 connected to the nut 602 moves with the nut 602, which pushes or drives the sliding block to move synchronously, so as to realize the synchronous adjustment of the sliding rheostat 503, so as to adjust the resistance value of the sliding rheostat 503 according to the change of the position of the scraper 501, and then the two scrapers 501 start to scrape the glue on the workpiece. In the process of scraping glue, the heating resistance wire 502 can be used to generate heat on the outer surface of the scraper 501 to improve the fluidity of the glue, so as to avoid the solidification of the glue and affect the subsequent scraping effect. In the process of adjusting the glue thickness by scraping glue,

[0056] When the two scrapers 501 move away from each other and the glue thickness increases, the heating resistance wire 502 should increase the heating temperature or power. Increasing the temperature can enhance the fluidity of the glue, making it easier to spread on the surface of the workpiece, thereby forming a thicker glue layer. At the same time, higher temperature is also helpful for the glue to better combine with the surface of the workpiece, improving the quality and adhesion of the glue. When the glue thickness decreases, the heating resistance wire 502 should reduce the heating temperature or power. Because at this time, the fluidity of the glue needs to be reduced to avoid excessive softening of the glue and difficulty in controlling the thickness. Reducing the temperature can increase the viscosity of the glue, which is more conducive to the scraper 501 to remove the excess glue, so as to achieve a thinner glue thickness.

Claims

1. An adhesive coating apparatus comprising a mounting box (1) and a feed roller (2) and a take-up roller (3) provided on both sides of the mounting box (1) for feeding and taking up, characterized in that, Including, The scraper (501) is arranged in the mounting box (1), and is slidably moved close to or away from the workpiece; A plurality of heating resistance wires (502) are connected in the scraper (501), are arranged in a linear array along the length direction of the scraper (501) from the tail end to the tip end, and the spacing between the plurality of heating resistance wires (502) gradually increases, so that the temperature of the scraper (501) close to the tip end gradually decreases; The slide rheostat (503) is connected with the heating resistance wire (502) and is connected to the rear side of the mounting box (1), and the slide rheostat (503) is used for adjusting the temperature of the outer surface of the scraper (501) by adjusting the resistance value.

2. An adhesive applicator as defined in claim 1, wherein: The mounting box (1) is also provided with a synchronous adjusting assembly, comprising, The bidirectional screw rod (601) is rotatably connected to the rear side of the mounting box (1), and the two nuts (602) are symmetrically connected to the bidirectional screw rod (601), one end of the nut (602) extends into the mounting box (1) and is connected with the scraper (501); The knob (603) is connected to the nut (602), and the position corresponds to the slide rheostat (503), the slide rheostat (503) is integrally formed with a sliding block, and the sliding block is synchronously adjusted with the movement of the knob (603); The servo motor (604) is arranged on the rear side of the mounting box (1), and the driving end of the servo motor (604) is connected with one end of the bidirectional screw rod (601) for driving the bidirectional screw rod (601) to rotate.

3. An adhesive applicator as defined in claim 2, wherein: The rear side of the mounting box (1) is connected with two mounting seats (8) which are symmetrical to each other, and the bidirectional screw rod (601) is rotatably connected to the mounting seat (8).

4. An adhesive applicator as defined in claim 3, wherein: The two mounting seats (8) are connected with a guide rod (7), and the nut (602) is slidably connected to the guide rod (7), and the nut (602) is provided with a sliding hole matched with the guide rod (7).

5. An adhesive applicator as defined in claim 1, wherein: A plurality of conveying rollers (4) are rotatably connected in the mounting box (1), and the plurality of conveying rollers (4) are used in cooperation to convey the workpiece.

6. An adhesive applicator as defined in claim 5, wherein: The mounting box (1) is connected with a collecting box (9), and one of the conveying rollers (4) is rotatably connected in the collecting box (9).

7. An adhesive applicator as defined in claim 1, wherein: The two sides of the mounting box (1) are connected with fixing seats, and the conveying roller (2) and the collecting roller (3) are rotatably connected to the two fixing seats, respectively.

8. An adhesive applicator as defined in claim 1, wherein: A maintenance plate is arranged on one side of the mounting box (1), and the maintenance plate is detachably arranged on one side of the mounting box (1) by bolts.

Images