Corrugated board gluing device capable of preventing glue overflow

By introducing adjustable glue-scraping knife and scraper structure into the corrugated cardboard glue coating device, the problem of difficulty in adjusting the thickness uniformity of edge glue and glue is solved, and more efficient glue coating effect and convenient adjustment are achieved.

CN222287736UActive Publication Date: 2025-01-03ZHEJIANG HONGYIN ZHIZAO PACKAGING CO LTD
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Patent Information

Application Number
CN202420875436.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-25
Publication Date
2025-01-03
Estimated Expiration
2034-04-25

AI Technical Summary

Technical Problem

The existing corrugated cardboard glue coating devices are prone to edge overflow problems when the glue is thicker, and the glue thickness and uniformity are difficult to adjust.

Method used

A rubber-proof corrugated cardboard glue coating device is designed, including a rubber coating machine, a rubber-proof glue assembly and an adjustment component. The rubber coating machine is equipped with a movable rubber-scraping knife and a rubber scraper. The adjustment screw and the compression screw are adjusted. The thickness of the rubber roller is adjusted, and the position and width of the rubber scraper are easily adjusted through the slide groove and slider structure.

Benefits of technology

It effectively avoids the problem of overflowing glue after applying corrugated cardboard, improves the accuracy and convenience of adjusting glue thickness and uniformity, and enhances the adaptability of the glue coating machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-glue-overflow corrugated board gluing device, which comprises a gluing machine, an anti-glue-overflow assembly and an adjusting assembly, the gluing machine comprises a glue roller at the center and a glue box at the bottom of the glue roller, and the anti-glue-overflow assembly comprises a glue homogenizing knife movably mounted on one side of the glue roller and a fixing strip fixedly mounted on one side of the glue homogenizing knife. According to the anti-glue-overflow corrugated board gluing device, the glue uniformizing knife movably installed on the outer side of the glue roller in the gluing machine can flatten the gluing thickness of the glue roller after gluing so as to guarantee the proper thickness and uniformity of glue on the glue roller, and therefore the problem that glue overflows after a corrugated board is glued and pasted due to the fact that the glue is too thick is avoided, and meanwhile, the glue uniformizing knife is arranged on the outer side of the glue roller. The glue uniformizing thickness of the glue uniformizing knife on the outer side of the glue roller can be conveniently adjusted through constraint of the constraint sleeve in the center and pressing after fine adjustment of the adjusting screw and the first pressing screw on the outer side, and therefore the accuracy and convenience in glue uniformizing thickness adjustment are improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of corrugated paperboard gluing machines, in particular to a corrugated paperboard gluing device for preventing glue overflow. Background Art

[0002] The corrugated cardboard gluing machine is an important equipment in the corrugated cardboard production line. It is specially used to gluing cardboard during the production process of corrugated cardboard. Its main function is to evenly apply glue on the corrugated cardboard so as to firmly bond the surface paper and the corrugated paper together to form a corrugated cardboard with specific strength and rigidity.

[0003] Existing corrugated cardboard gluing devices, such as the one disclosed in publication number CN220461191 U, have the advantages of accelerating the glue drying speed and improving production efficiency. However, the glue sticking to the upper end of the glue roller of the gluing device is inconvenient to adjust the glue thickness and uniformity. When the glue is thick, it is easy to overflow the glue at the edge. Therefore, we propose a corrugated cardboard gluing device that prevents glue from overflowing. Utility Model Content

[0004] The main purpose of the utility model is to provide a corrugated paperboard gluing device with anti-glue overflow, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A glue coating device for anti-overflow corrugated cardboard includes a glue coating machine, an anti-overflow glue component and an adjustment component. The glue coating machine includes a glue roller at the center and a glue box at the bottom of the glue roller. The anti-overflow glue component includes a glue knife movably installed on one side of the glue roller, and a fixing strip fixedly installed on one side of the glue knife. A binding opening is also penetrated on one side of the glue coating machine, and the fixing strip is movably installed in the binding opening. An opening is also penetrated in the glue coating machine on one side of the binding opening. First threaded holes are penetrated on both sides of the binding opening, and an adjustment screw and a first clamping screw are movably installed in the first threaded holes on both sides of the binding opening.

[0007] Preferably, the anti-glue overflow component also includes a fixing frame fixedly installed at the upper part of the center of the glue knife, and a restraining sleeve movably mounted on the outer end of the fixing frame, and the fixing frame is a T-shaped structure.

[0008] Preferably, the anti-glue overflow assembly further comprises brackets fixedly installed between both sides of the restraining sleeve and the glue coating machine.

[0009] Preferably, the adjustment component includes a slide groove extending through both sides of the glue-distributing knife, and a slider movably installed in the slide groove, and the slider is an inverted L-shaped structure, and a glue-distributing knife is fixedly installed at the bottom of the slider.

[0010] Preferably, the adjustment assembly also includes a fixing ear fixedly installed on the rubber knife on the outer side of the slide groove, and a second threaded hole opened in the fixing ear, a second clamping screw is movably installed in the second threaded hole, a sleeve is movably sleeved on the inner end of the second clamping screw, and a pressure plate is fixedly installed on the inner end of the sleeve.

[0011] Preferably, the glue coating machine further comprises a first material roller, a second material roller and a conveying roller installed on both sides and the upper end.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, the glue knife movably installed on the outside of the rubber roller in the glue coating machine can scrape the glue roller after gluing to ensure the appropriate thickness and uniformity of the glue on the rubber roller, thereby avoiding the problem of glue overflow after gluing and pasting of corrugated cardboard due to excessive glue thickness. At the same time, the glue thickness of the glue knife on the outside of the rubber roller can also be conveniently adjusted by the binding of the binding sleeve at the center and the compression of the outer adjusting screw and the first clamping screw after fine adjustment, thereby improving the accuracy and convenience in the adjustment of the glue thickness;

[0014] 2. In the utility model, the scrapers movably installed on both sides of the glue knife can adjust the distance between the two sides according to the thickness of the corrugated cardboard, so as to scrape off the glue on the parts on both sides of the glue roller that do not need to be glued before gluing, thereby avoiding the problem of glue overflow on the edges due to glue on both sides of the corrugated cardboard during gluing. The scraper can conveniently adjust the scraping width, which can also improve the adaptability of the gluing machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side sectional view of the utility model;

[0017] Figure 3 This is a structural diagram of the glue-leveling knife of the utility model;

[0018] Figure 4 For this utility model Figure 1 A magnified view of middle;

[0019] Figure 5 Another perspective view of the glue knife of the utility model;

[0020] Figure 6 For this utility model Figure 3 Enlarged view of B.

[0021] Reference numerals:

[0022] 100, glue coating machine; 101, glue roller; 102, glue box; 103, first material roller; 104, second material roller; 105, conveying roller;

[0023] 200, anti-overflow glue assembly; 201, glue knife; 202, fixing strip; 203, restraining opening; 204, opening; 205, first threaded hole; 206, adjusting screw; 207, first clamping screw; 208, fixing frame; 209, restraining sleeve; 210, bracket;

[0024] 300, adjustment component; 301, slide groove; 302, slider; 303, scraper; 304, fixing ear; 305, second threaded hole; 306, second clamping screw; 307, sleeve; 308, pressure plate. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] Embodiment 1:

[0027] like Figure 1-4 As shown, this embodiment provides an anti-overflow corrugated cardboard gluing device, including a gluing machine 100, an anti-overflow glue assembly 200 and an adjusting assembly 300, the gluing machine 100 includes a glue roller 101 at the center and a glue box 102 at the bottom of the glue roller 101, the gluing machine 100 also includes a first material roller 103, a second material roller 104 and a conveying roller 105 installed on both sides and the upper end, the anti-overflow glue assembly 200 includes a glue knife 201 movably installed on one side of the glue roller 101, and a fixing strip 202 fixedly installed on one side of the glue knife 201, a binding opening 203 is also opened on one side of the gluing machine 100, and the fixing strip 202 is movably installed on the binding In the opening 203, an opening 204 is also penetrated in the glue coating machine 100 on one side of the binding opening 203, and first threaded holes 205 are penetrated on both sides of the binding opening 203. Adjustment screws 206 and first clamping screws 207 are movably installed in the first threaded holes 205 on both sides of the binding opening 203 respectively. The anti-overflow glue component 200 also includes a fixed frame 208 fixedly installed on the upper part of the center of the glue knife 201, and a binding sleeve 209 movably mounted on the outer end of the fixed frame 208. The fixed frame 208 is a T-shaped structure. The anti-overflow glue component 200 also includes brackets 210 fixedly installed between both sides of the binding sleeve 209 and the glue coating machine 100.

[0028] Specifically, the corrugated board gluing machine 100 is an important equipment in the corrugated board production line, which is specially used for gluing the board in the production process of the corrugated board. Its main function is to evenly apply glue on the corrugated board so as to firmly bond the face paper and the corrugated paper together to form a corrugated board with specific strength and rigidity. The glue knife 201 movably installed outside the glue roller 101 in the gluing machine 100 can scrape the glue roller 101 after gluing to ensure the appropriate thickness and uniformity of the glue on the glue roller 101, thereby avoiding the problem of glue overflow after gluing the corrugated board due to excessive glue thickness. At the same time, the glue roller 101 The glue thickness of the outer glue knife 201 can also be conveniently adjusted by the binding of the binding sleeve 209 at the center and the compression after fine adjustment of the outer adjustment screw 206 and the first compression screw 207, so as to improve the accuracy and convenience in the adjustment of the glue thickness. One side of the glue knife 201 is bound by the fixing strip 202 in the binding opening 203, which is mainly used for the compression adjustment of the position of the glue knife 201 and the compression and fixation after adjustment. The center of the glue knife 201 is bound by the fixing frame 208 in the binding sleeve 209, which mainly ensures that the two ends of the glue knife 201 are flush when one side of the glue knife 201 is adjusted by the fixing strip 202, so as to avoid the problem of tilting of the glue knife 201 after adjustment.

[0029] Embodiment 2:

[0030] Based on the first embodiment, Figure 5-6 As shown, the adjustment component 300 includes a slide groove 301 that is opened through both sides of the glue knife 201, and a slider 302 that is movably installed in the slide groove 301, and the slider 302 is an inverted L-shaped structure, and a glue scraper 303 is also fixedly installed at the bottom of the slider 302. The adjustment component 300 also includes a fixing ear 304 that is fixedly installed on the glue knife 201 outside the slide groove 301, and a second threaded hole 305 that is opened in the fixing ear 304, and a second clamping screw 306 is also movably installed in the second threaded hole 305, and a sleeve 307 is also movably sleeved on the inner end of the second clamping screw 306, and a pressure plate 308 is also fixedly installed on the inner end of the sleeve 307.

[0031] Specifically, the glue scraper 303 movably installed on both sides of the glue spreading knife 201 can adjust the distance between the two sides according to the thickness of the corrugated cardboard, so as to scrape off the glue on the parts on both sides of the glue roller 101 that do not need to be coated before gluing, thereby avoiding the problem of glue overflow on the edges due to glue on both sides of the corrugated cardboard during gluing. The glue scraper 303 that can easily adjust the glue scraping width can also improve the adaptability of the glue coating machine 100. The second clamping screw 306 installed in the fixing ear 304 at the upper end of the glue spreading knife 201 is mainly used for pressing and fixing the upper end slider 302 through the pressing plate 308 after the position of the glue scraper 303 is adjusted.

[0032] The working principle and use process of this utility model:

[0033] When the glue coating machine 100 is in use, after the glue roller 101 rotates and passes through the glue box 102 to glue, the glue knife 201 installed on one side can scrape off the excessively thick part of the glue roller 101 after gluing, and smooth the glue on the outer end of the glue roller 101, so as to ensure the uniformity of the glue on the outer end of the glue roller 101 and improve its gluing effect. At the same time, before the glue knife 201 spreads the glue, the scraping knives 303 on both sides of the glue roller 101 will scrape off the glue on the parts that do not need to be glued on both sides of the glue roller 101, so as to avoid the problem of glue sticking to the two sides of the corrugated cardboard during gluing and causing glue overflow. In addition, the glue thickness of the glue knife 201 and the use position of the glue scraping knife 303 in the glue coating machine 100 can be conveniently fine-tuned and moved, respectively, thereby increasing the practicality of the glue coating machine 100.

[0034] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A glue coating device for preventing glue overflow on corrugated paperboard, comprising a glue coating machine (100), a glue overflow prevention component (200) and an adjustment component (300), wherein the glue coating machine (100) comprises a glue roller (101) at the center and a glue box (102) at the bottom of the glue roller (101), characterized in that: The anti-overflow glue component (200) comprises a glue-distributing knife (201) movably mounted on one side of the glue roller (101), and a fixing strip (202) fixedly mounted on one side of the glue-distributing knife (201); a binding opening (203) is also penetrated through one side of the glue coating machine (100), and the fixing strip (202) is movably mounted in the binding opening (203); an opening (204) is also penetrated through one side of the binding opening (203) in the glue coating machine (100); first threaded holes (205) are penetrated through both sides of the binding opening (203), and an adjusting screw (206) and a first clamping screw (207) are respectively movably mounted in the first threaded holes (205) on both sides of the binding opening (203).

2. The anti-overflow corrugated board gluing device according to claim 1, characterized in that: The anti-overflow glue assembly (200) further comprises a fixing frame (208) fixedly mounted on the upper part of the center of the glue-distributing knife (201), and a restraining sleeve (209) movably mounted on the outer end of the fixing frame (208), wherein the fixing frame (208) is a T-shaped structure.

3. The anti-overflow corrugated board gluing device according to claim 1, characterized in that: The anti-overflow glue assembly (200) further comprises brackets (210) fixedly installed between both sides of the restraining sleeve (209) and the glue coating machine (100).

4. The anti-overflow corrugated board gluing device according to claim 1, characterized in that: The adjustment component (300) comprises a slide groove (301) provided through both sides of the glue-distributing knife (201), and a slider (302) movably installed in the slide groove (301), wherein the slider (302) is an inverted L-shaped structure, and a glue-distributing knife (303) is fixedly installed at the bottom of the slider (302).

5. The anti-overflow corrugated board gluing device according to claim 1, characterized in that: The adjustment assembly (300) further comprises a fixing ear (304) fixedly mounted on the rubber knife (201) outside the slide groove (301), and a second threaded hole (305) provided in the fixing ear (304), a second clamping screw (306) being movably mounted in the second threaded hole (305), a sleeve (307) being movably sleeved on the inner end of the second clamping screw (306), and a pressure plate (308) being fixedly mounted on the inner end of the sleeve (307).

6. The anti-overflow corrugated board gluing device according to claim 1, characterized in that: The glue coating machine (100) further comprises a first material roller (103), a second material roller (104) and a conveying roller (105) installed on both sides and the upper end.

Citation Information

Patent Citations

  • Corrugated board gluing device

    CN220461191U