Gluing device for paperboard processing

Abstract

The invention relates to the technical field of paperboard gluing, and particularly discloses a paperboard processing gluing device which comprises a transmission part and an edge blocking part, the transmission part comprises a transmission belt capable of transmission, the edge blocking part comprises an air bag strip and an extrusion part, the air bag strip is connected to the side, close to a paperboard, of the transmission belt, and the extrusion part is arranged on the transmission part. The extrusion part can be close to the transmission belt and extrude the upper end of the front side of the air bag strip, so that other parts of the air bag strip bulge and are in close contact with the side edge of the paperboard, the side edge of the paperboard is shielded, and the inner bottom side of the transmission belt and the inner bottom side of the air bag strip penetrate through the bottom of the glue spreading roller; according to the gluing device for paperboard processing, the air bag strip and the paperboard can be driven to move synchronously through the transmission belt, the air bag strip is extruded through the extrusion part so that other parts of the air bag strip can bulge and make close contact with the side edge of the paperboard, the side edge of the paperboard can be shielded, and glue can be prevented from flowing to the side edge of the paperboard.

Description

Technical Field

[0001] The invention relates to the technical field of cardboard gluing, and in particular to a gluing device for cardboard processing. Background Art

[0002] Cardboard is an important material used in packaging, industrial technology and other fields. It mainly uses plant fibers as raw materials, and sometimes non-plant fibers or special fibers such as wool and asbestos are mixed in. After the cardboard is produced, it is also necessary to undergo cutting, embossing, printing, gluing, laminating and other processing techniques to meet the needs of different customers. Cardboard gluing is a process of evenly applying glue on the surface of the cardboard, which is mainly used to improve the performance of the cardboard or increase its water resistance, making paper products such as cardboard more convenient to use.

[0003] A Chinese patent document with announcement number CN209613397U discloses a cardboard gluing device, including a gluing mechanism, a feed conveyor belt connected to the left side of the gluing mechanism, and a discharge conveyor belt connected to the right side of the gluing mechanism. The gluing mechanism includes a first roller and a second roller, the second roller is driven by a motor, the bottom surface of the second roller is lower than the bottom surface of the first roller, the first roller and the second roller shaft surfaces are in contact with each other, the first roller and the second roller form a glue liquid containing chamber with an opening upward, a plurality of strip support sheets are arranged below the second roller along its axial direction, the distance between the strip support sheet and the bottom surface of the second roller is less than the thickness of the cardboard to be glued, by arranging the gluing mechanism between the feed conveyor belt and the discharge conveyor belt, the first and second rollers in the gluing mechanism are in contact with each other and form a glue liquid containing chamber, during the gluing, the second roller contacts the top surface of the cardboard, and the glue on the second roller is smeared on the cardboard, thereby realizing automatic gluing operation, saving physical effort, and ensuring uniformity of gluing.

[0004] However, the above patent document still has the following deficiencies: when gluing the cardboard, the width of the cardboard is often smaller than the length of the gluing roller, and the glue easily flows to the side of the cardboard to form obvious glue marks or stains, thereby reducing the quality of the product. Summary of the invention

[0005] The invention provides a gluing device for cardboard processing, aiming to solve the problem in the related art that glue easily flows to the side of the cardboard to form obvious glue marks or stains, thereby reducing product quality.

[0006] The gluing device for cardboard processing of the present invention comprises a frame, a conveying member and a gluing mechanism, wherein the conveying member and the gluing mechanism are both connected to the frame, the gluing mechanism comprises a gluing roller capable of gluing the top of the cardboard, and also comprises a side guard mechanism, the side guard mechanism comprises a transmission member and a side guard member, the transmission member comprises a transmission belt capable of transmitting, the side guard member comprises an airbag strip and an extrusion portion, the airbag strip is connected to a side of the transmission belt close to the cardboard, the extrusion portion is arranged on the transmission member, the extrusion portion can approach the transmission belt and squeeze the front upper end of the airbag strip, so that other parts of the airbag strip bulge and are in close contact with the side edge of the cardboard, thereby shielding the side edge of the cardboard, and the inner bottom sides of the transmission belt and the airbag strip both pass through the bottom of the gluing roller.

[0007] Beneficial effect: The transmission belt can drive the airbag strip and the cardboard to move synchronously, and the extrusion part can squeeze the airbag strip so that other parts of the airbag strip bulge and are in close contact with the side of the cardboard, which can shield the side of the cardboard to prevent glue from flowing onto the side of the cardboard.

[0008] Preferably, the transmission member further comprises a mounting portion 1, a mounting portion 2, a transmission roller 1 and a transmission roller 2, the mounting portion 1 and the mounting portion 2 are both connected to the frame, the transmission roller 1 and the transmission roller 2 are both provided in two, the two transmission rollers 1 are both rotatably connected to the mounting portion 1, the two transmission rollers 2 are both rotatably connected to the mounting portion 2, the transmission belt is connected between the two transmission rollers 1 and the two transmission rollers 2, and the transmission belt, the two transmission rollers 1 and the two transmission rollers 2 can be transmitted. The effect is that the transmission belt can be supported by the two transmission rollers 1 and the two transmission rollers 2, so that the transmission belt forms a track for driving the airbag strip to move.

[0009] Preferably, the side guard also includes a telescopic portion, the telescopic portion is connected to the mounting portion 1, the extrusion portion is connected to the telescopic end of the telescopic portion, and both ends of the extrusion portion are in a warped shape. The effect is that the extrusion portion is prevented from scratching the airbag strip by both ends of the extrusion portion being in a warped shape.

[0010] Preferably, the surface of the extrusion part in contact with the airbag strip is a smooth surface, which has the effect that the friction between the extrusion part and the airbag strip can be reduced by the smooth surface on the extrusion part.

[0011] Preferably, the side retaining mechanism further comprises a clamping member, and the clamping member is provided with two groups, and the two groups of clamping members are respectively located on the left and right sides of the extrusion part, and each group of clamping members comprises two clamping rollers, and the two clamping rollers are rotatably connected to the mounting part 1, and the two clamping rollers are respectively in close contact with the inner top side and the top of the transmission belt. The effect is that the transmission belt behind the position where the airbag strip is squeezed can be clamped by the two groups of clamping members, so as to avoid affecting the normal operation of the transmission belt when the extrusion part squeezes the airbag strip.

[0012] Preferably, the frame also includes a guide member, which includes two guide parts, and the two guide parts are respectively connected to the front and rear sides of the top of the frame. The effect is that the two guide parts can position and guide the cardboard.

[0013] Preferably, a cleaning mechanism is further included, the cleaning mechanism including a positioning roller, the positioning roller is rotatably connected to the second mounting portion, the positioning roller contacts the bottom of the transmission belt, so that the inner bottom side of the transmission belt forms an ascending section 1 and a descending section 1 under the blocking of the glue coating roller, and the inner bottom side of the airbag strip forms an ascending section 2 and a descending section 2 under the blocking of the glue coating roller. The effect is that the positioning roller can make the portion of the airbag strip that passes over the glue coating roller rise and separate from the paperboard, so as to prevent the glue on the airbag strip from adhering to the side of the paperboard.

[0014] Preferably, the cleaning mechanism further comprises a scraper box and a connecting part, the scraper box is connected to the mounting part 2 via the connecting part, and both the descending section 1 and the descending section 2 are in contact with the scraper box. The effect is that when the transmission belt drives the airbag strip to run, the glue on the transmission belt and the airbag strip can be scraped off and collected by the scraper box.

[0015] The beneficial effects of the present invention are: 1. The transmission belt can drive the airbag strip and the cardboard to move synchronously, and the extrusion part can squeeze the airbag strip to make other parts of the airbag strip bulge and closely contact with the side of the cardboard, so as to block the side of the cardboard to prevent glue from flowing to the side of the cardboard.

[0016] 2. The transmission belt at the rear side of the position where the airbag strip is squeezed can be clamped by two sets of clamping parts to avoid affecting the normal operation of the transmission belt when the extrusion part squeezes the airbag strip.

[0017] 3. The positioning roller can make the airbag strip pass over the glue coating roller and bend up and separate from the cardboard to prevent the glue on the airbag strip from adhering to the side of the cardboard.

[0018] 4. When the transmission belt drives the airbag strip to run, the glue on the transmission belt and the airbag strip can be scraped off and collected through the scraper box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0020] Figure 2 It is a three-dimensional structural schematic diagram of the conveying mechanism, the gluing mechanism and the guide member of the present invention.

[0021] Figure 3 It is a three-dimensional structural schematic diagram of the conveying mechanism, the gluing mechanism, the side retaining mechanism and the guide member of the present invention.

[0022] Figure 4 It is a structural schematic diagram of the edge retaining mechanism of the present invention.

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the edge retaining mechanism of the present invention.

[0024] Figure 6 It is another three-dimensional structural schematic diagram of the edge retaining mechanism of the present invention.

[0025] Reference numerals: 1. Conveying mechanism; 11. Frame; 12. Conveying member; 2. Gluing mechanism; 21. Fixed roller; 22. Gluing roller; 23. Mounting frame; 24. Driving source one; 3. Side guard mechanism; 31. Transmission member; 311. Mounting part one; 312. Mounting part two; 313. Transmission roller one; 314. Transmission roller two; 315. Transmission belt; 3151. Ascending section one; 3152. Descending section one; 316. Driving source two; 32. Side guard; 321. Airbag strip; 3211. Ascending section two; 3212. Descending section two; 322. Telescopic section; 323. Extrusion section; 33. Clamping member; 4. Guide member; 41. Guide section; 5. Cleaning mechanism; 51. Scraper box; 52. Connecting section; 53. Positioning roller. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0027] like Figures 1 to 6 As shown, the gluing device for cardboard processing of the present invention comprises a conveying mechanism 1, a gluing mechanism 2, a side guard mechanism 3, a guide member 4 and a cleaning mechanism 5. The conveying mechanism 1 is used to convey cardboard. The gluing mechanism 2 is connected to the conveying mechanism 1 and is used to glue the top of the cardboard. The side guard mechanism 3 is connected to the conveying mechanism 1 and is used to shield the side of the cardboard when the gluing mechanism 2 glues the cardboard to prevent the glue from flowing to the side of the cardboard, thereby improving the quality of the product. The guide member 4 is connected to the conveying mechanism 1 and is used to guide the cardboard so that the side guard mechanism 3 can guard the cardboard. The cleaning mechanism 5 is connected to the side guard mechanism 3 and is used to clean the glue on the side guard mechanism 3 and collect it.

[0028] like Figures 1 to 3As shown, the conveying mechanism 1 includes a frame 11 and a conveying member 12, the conveying member 12 is connected in the frame 11 and is used to convey paperboard, the conveying member 12 includes a driving roller, a driven roller, a conveyor belt and a motor, the driving roller and the driven roller are respectively rotatably connected to the inner ends of the frame 11, the conveyor belt is connected between the driving roller and the driven roller, the motor is connected to the frame 11, the output shaft of the motor is connected to the driving roller, the motor can drive the transmission between the driving roller, the driven roller and the conveyor belt, and convey the paperboard to the gluing mechanism 2 through the conveyor belt, the gluing mechanism 2 includes a fixed roller 21, a gluing roller 22, a mounting frame 23 and a driving roller. Source 1 24, mounting frame 23 is connected to frame body 11, fixed roller 21 and driving source 1 24 are both connected to mounting frame 23, glue coating roller 22 is rotatably connected to mounting frame 23, driving source 1 24 is a motor, output shaft of driving source 1 24 is connected to glue coating roller 22, glue coating roller 22 is in contact with fixed roller 21, bottom position of glue coating roller 22 is lower than bottom position of fixed roller 21, glue storage space is set above the contact part between glue coating roller 22 and fixed roller 21, glue is injected into glue storage space, driving source 2 316 is started to drive glue coating roller 22 to rotate, and glue coating is performed on the top of paperboard through glue coating roller 22.

[0029] like Figures 1 to 5 As shown, two side guard mechanisms 3 are provided, and the two side guard mechanisms 3 are respectively connected to the front and rear sides of the top of the frame 11, and are used to respectively block the front and rear sides of the paperboard. The side guard mechanism 3 includes a transmission member 31, a side guard member 32 and a clamping member 33. The transmission member 31 is connected to the frame 11, and the side guard member 32 is connected to the transmission member 31. The side guard member 32 is used to block the side of the paperboard. The transmission member 31 can drive the side guard member 32 to move synchronously with the paperboard, and the clamping member 33 is used to clamp the transmission member 31 so that the transmission member 31 is affected by the operation of the side guard member 32.

[0030] Continue to refer Figures 1 to 5As shown, the transmission member 31 includes a mounting portion 1 311, a mounting portion 2 312, a transmission roller 1 313, a transmission roller 2 314, a transmission belt 315 and a driving source 2 316, the mounting portion 1 311 and the mounting portion 2 312 are both connected to the frame 11, the mounting portion 1 311 is located on the left side of the gluing mechanism 2, the mounting portion 2 312 is located on the right side of the gluing mechanism 2, the transmission roller 1 313 and the transmission roller 2 314 are both provided in two, the two transmission rollers 1 313 are both rotatably connected to the mounting portion 1 311, and the two transmission rollers 1 313 are arranged up and down, and the two transmission rollers 2 314 are both rotatably connected to the mounting portion 2 312, and the two transmission rollers 314 are arranged up and down, the two transmission rollers 311 313 and the two transmission rollers 314 are arranged in a rectangular shape, the transmission belt 315 is connected between the two transmission rollers 311 313 and the two transmission rollers 314, the driving source 2 316 is connected to the mounting part 1 311, the driving source 2 316 is a motor, and the output shaft of the driving source 2 316 is connected to one of the transmission rollers 1 313. Starting the driving source 2 316 can drive the transmission between the transmission belt 315, the two transmission rollers 1 313 and the two transmission rollers 314, thereby driving the side guard 32 and the conveying member 12 to run synchronously.

[0031] Continue to refer Figures 1 to 5 As shown, the side guard 32 includes an airbag strip 321, a telescopic portion 322 and an extrusion portion 323. The airbag strip 321 is in a ring shape and is connected to the side of the transmission belt 315 close to the paperboard. The telescopic portion 322 is connected to the mounting portion 311. The telescopic portion 322 is a cylinder with the telescopic end facing the paperboard. The extrusion portion 323 is connected to the telescopic end of the telescopic portion 322. Both ends of the extrusion portion 323 are raised to prevent the extrusion portion 323 from scratching the airbag strip 321. The surface of the extrusion portion 323 in contact with the airbag strip 321 is a smooth surface. , reducing the friction between the extrusion part 323 and the airbag strip 321, the telescopic part 322 can drive the extrusion part 323 to approach the transmission belt 315 and squeeze the front upper end of the airbag strip 321, so that the other parts of the airbag strip 321 bulge and are in close contact with the side edge of the cardboard, thereby shielding the side edge of the cardboard to prevent glue from flowing onto the side edge of the cardboard, the inner bottom sides of the transmission belt 315 and the airbag strip 321 both pass through the bottom of the fixed roller 21 and the glue coating roller 22, and the bottom of the glue coating roller 22 can be in contact with the inner bottom side of the transmission belt 315.

[0032] After the cardboard moves between the two side guard mechanisms 3, the telescopic parts 322 on the two side guard mechanisms 3 are started, driving the extrusion part 323 to approach the transmission belt 315 and squeeze the airbag strip 321, so that the other parts of the airbag strip 321 swell, and the two airbag strips 321 are in close contact with the front and back sides of the cardboard respectively. Starting the driving source 2 316 can drive the transmission between the transmission belt 315, the two transmission rollers 1 313 and the two transmission rollers 2 314, thereby driving the airbag strip 321 to run synchronously with the conveying member 12 and move synchronously with the cardboard.

[0033] Continue to refer Figures 1 to 5 As shown, two groups of clamping members 33 are provided, and the two groups of clamping members 33 are respectively located on the left and right sides of the extrusion portion 323, and each group of clamping members 33 includes two clamping rollers, and the two clamping rollers are rotatably connected to the mounting portion 311, and the two clamping rollers are respectively in close contact with the inner top side and the top of the transmission belt 315, and the transmission belt 315 at the rear side of the extruded position of the airbag strip 321 can be clamped by the two groups of clamping members 33 to avoid affecting the normal operation of the transmission belt 315 when the extrusion portion 323 squeezes the airbag strip 321.

[0034] like Figures 1 to 6 As shown, the guide member 4 includes two guide parts 41, and the two guide parts 41 are respectively connected to the front and rear sides of the top of the frame 11, and the two guide parts 41 can position and guide the cardboard. The cleaning mechanism 5 is set to two, and the two cleaning mechanisms 5 are respectively connected to the two retaining mechanisms 3. The cleaning mechanism 5 includes a scraper box 51, a connecting part 52 and a positioning roller 53. The positioning roller 53 is rotatably connected to the mounting part 2 312, and the positioning roller 53 contacts the bottom of the transmission belt 315, so that the inner bottom side of the transmission belt 315 forms an ascending section 1 3151 and a descending section 1 3152 under the obstruction of the glue coating roller 22, and the air The inner bottom side of the airbag strip 321 forms an ascending section 2 3211 and a descending section 2 3212 under the obstruction of the glue coating roller 22, and the positioning roller 53 can make the airbag strip 321 pass over the glue coating roller 22 and be upturned and separated from the paperboard to prevent the glue on the airbag strip 321 from adhering to the side of the paperboard. The scraper box 51 is connected to the mounting part 2 312 through the connecting part 52, and the descending section 1 3152 and the descending section 2 3212 are both in contact with the scraper box 51. When the transmission belt 315 drives the airbag strip 321 to run, the glue on the transmission belt 315 and the airbag strip 321 can be scraped off and collected through the scraper box 51.

[0035] Working principle: The cardboard is placed on the conveyor belt of the conveyor 12 , and is positioned and guided by two guide parts 41 .

[0036] The conveying member 12 is started to drive the cardboard to move toward the gluing mechanism 2. After the cardboard moves between the two side guard mechanisms 3, the telescopic parts 322 on the two side guard mechanisms 3 are started to drive the extrusion part 323 to approach the transmission belt 315 and squeeze the airbag strip 321, so that the other parts of the airbag strip 321 bulge, and the two airbag strips 321 are in close contact with the front and back sides of the cardboard respectively, so as to block the front and back sides of the cardboard. Starting the second driving source 316 can drive the transmission between the transmission belt 315, the two transmission rollers 1 313 and the two transmission rollers 2 314, so as to drive the airbag strip 321 to run synchronously with the conveying member 12 and move synchronously with the cardboard.

[0037] When the cardboard, the transmission belt 315 and the airbag strip 321 pass through the glue coating roller 22, the glue coating roller 22 applies glue to the top of the cardboard, the transmission belt 315 and the inner bottom side of the airbag strip 321. The transmission belt 315 and the airbag strip 321 continue to transmit, and the positioning roller 53 makes the airbag strip 321 pass over the glue coating roller 22 and rise up and separate from the cardboard. The scraper box 51 cleans and collects the glue on the airbag strip 321 and the transmission belt 315 at the descending section 1 3152 and the descending section 2 3212, respectively.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0040] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A gluing device for cardboard processing, comprising a frame, a conveying member and a gluing mechanism, wherein the conveying member and the gluing mechanism are both connected to the frame, and the gluing mechanism comprises a gluing roller capable of gluing the top of the cardboard, characterized in that: The invention also includes a side guard mechanism, which includes a transmission member and a side guard member. The transmission member includes a transmission belt capable of transmitting power. The side guard member includes an airbag strip and an extrusion portion. The airbag strip is connected to a side of the transmission belt close to the paperboard. The extrusion portion is arranged on the transmission member. The extrusion portion can approach the transmission belt and squeeze the front upper end of the airbag strip to make other parts of the airbag strip bulge and closely contact with the side edge of the paperboard, thereby shielding the side edge of the paperboard. The inner bottom sides of the transmission belt and the airbag strip pass through the bottom of the glue coating roller.

2. The gluing device for cardboard processing according to claim 1, characterized in that: The transmission member also includes an installation part 1, an installation part 2, a transmission roller 1 and a transmission roller 2. The installation part 1 and the installation part 2 are both connected to the frame. The transmission roller 1 and the transmission roller 2 are both set in two. The two transmission rollers 1 are both rotatably connected to the installation part 1, and the two transmission rollers 2 are both rotatably connected to the installation part 2. The transmission belt is connected between the two transmission rollers 1 and the two transmission rollers 2, and the transmission belt, the two transmission rollers 1 and the two transmission rollers 2 can transmit.

3. The gluing device for cardboard processing according to claim 2, characterized in that: The side retaining member also includes a telescopic portion, which is connected to the mounting portion 1, and an extrusion portion which is connected to the telescopic end of the telescopic portion, and both ends of the extrusion portion are in a warped shape.

4. The gluing device for cardboard processing according to claim 3, characterized in that: The surface of the extrusion portion in contact with the airbag strip is a smooth surface.

5. The gluing device for cardboard processing according to claim 2, characterized in that: The side retaining mechanism also includes a clamping member, which is provided with two groups. The two groups of clamping members are respectively located on the left and right sides of the extrusion part. Each group of clamping members includes two clamping rollers. The two clamping rollers are rotatably connected to the mounting part, and the two clamping rollers are respectively in close contact with the inner top side and the top of the transmission belt.

6. The gluing device for cardboard processing according to claim 1, characterized in that: It also includes a guide piece, which includes two guide parts, and the two guide parts are respectively connected to the front and rear sides of the top of the frame.

7. The gluing device for cardboard processing according to claim 2, characterized in that: It also includes a cleaning mechanism, which includes a positioning roller, which is rotatably connected to the second mounting portion, and the positioning roller contacts the bottom of the transmission belt, so that the inner bottom side of the transmission belt forms an ascending section 1 and a descending section 1 under the obstruction of the rubber coating roller, and the inner bottom side of the airbag strip forms an ascending section 2 and a descending section 2 under the obstruction of the rubber coating roller.

8. The gluing device for cardboard processing according to claim 7, characterized in that: The cleaning mechanism also includes a scraper box and a connecting portion. The scraper box is connected to the second mounting portion through the connecting portion. The first descending section and the second descending section are both in contact with the scraper box.

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