CN216368695U

CN216368695U - Paperboard gluing device

Info

Publication number: CN216368695U
Application number: CN202122599284.9U
Authority: CN
Inventors: 何明君
Original assignee: Jiangmen Pengjiang Tongxing Color Printing Co ltd
Current assignee: Jiangmen Pengjiang Tongxing Color Printing Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-26
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a paperboard gluing device which comprises a rack, a conveying mechanism, two moving parts, a spray gun and a glue spreader, wherein the conveying mechanism is arranged on the rack and used for conveying a paperboard, the two moving parts are arranged on the rack and positioned above two sides of the conveying mechanism, the two moving parts can move and adjust along the width direction of the conveying mechanism, the spray gun is arranged on the moving parts and used for spraying glue to the upper end face of the paperboard, the glue spreader can be rotatably arranged on the moving parts, the axial direction of the glue spreader is parallel to the width direction of the conveying mechanism, and the glue spreader is used for spreading the glue on the upper end face of the paperboard uniformly. According to the paperboard gluing device, the spray gun can spray glue at different positions of the paperboard, the glue spreader can glue at different positions of the paperboard, and the practicability is good.

Description

Paperboard gluing device

Technical Field

The utility model relates to a paperboard processing device, in particular to a paperboard gluing device.

Background

Before the paper board is turned over to form the paper box, glue is coated on the edge of the paper board, so that the paper board can be bonded and fixed after being turned over to form the paper box. The existing paperboard gluing device mainly comprises a frame, wherein a conveying mechanism used for conveying a paperboard is arranged on the frame, a spray gun and a glue spreader are arranged above two sides of the conveying mechanism, when the conveying mechanism conveys the paperboard to the lower part of the spray gun, the spray gun sprays glue to two sides of the upper end face of the paperboard, and when the conveying mechanism conveys the paperboard to the lower part of the glue spreader, the outer side wall of the glue spreader abuts against two sides of the upper end face of the paperboard, so that the glue on the paperboard is uniformly spread.

Although the existing paperboard gluing device can glue the paperboard, the following disadvantages exist: the spray gun can only spray glue at the fixed position of cardboard, and the glue spreader only can carry out the rubber coating to the fixed position of cardboard, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the paperboard gluing device, the spray gun can spray glue at different positions of the paperboard, the glue spreader can glue at different positions of the paperboard, and the practicability is good.

The paperboard gluing device according to the embodiment of the utility model comprises:

a frame;

the conveying mechanism is arranged on the rack and used for conveying the paper board;

the two moving parts are arranged on the rack and positioned above two sides of the conveying mechanism, and can move and adjust along the width direction of the conveying mechanism;

the spray gun is arranged on the moving part and is used for spraying glue to the upper end surface of the paperboard;

the glue spreader can be rotatably arranged on the moving part, the axial direction of the glue spreader is parallel to the width direction of the conveying mechanism, and the glue spreader is used for uniformly spreading glue on the upper end face of the paperboard.

The paperboard gluing device provided by the embodiment of the utility model at least has the following technical effects:

when needing to carry out the rubber coating to the cardboard, place the cardboard in conveying mechanism's input, conveying mechanism can carry the cardboard to the below of two moving portions, thereby spray glue to the both sides of cardboard up end with the spray gun in the moving portion, the up end of lateral wall laminating cardboard of glue spreader simultaneously, the cardboard is along with the in-process that conveying mechanism removed, the glue spreader rotates to can paint the glue of cardboard up end both sides evenly. According to the paperboard gluing device disclosed by the embodiment of the utility model, the two moving parts can move and adjust along the width direction of the conveying mechanism, so that the positions of the spray gun and the glue spreader in the width direction of the conveying mechanism can be changed, the spray gun can spray glue at different positions of the paperboard, the glue spreader can glue at different positions of the paperboard, and the glue spreader can be suitable for paperboards of different sizes, and the practicability is good.

According to some embodiments of the present invention, the frame is provided with a plurality of support rods above the conveying mechanism, the support rods extend along a width direction of the conveying mechanism, the moving portion is provided with a plurality of mounting holes and slidably sleeves the corresponding support rods through the mounting holes, and the frame is provided with a driving mechanism for controlling the moving portion to slide.

According to some embodiments of the utility model, the driving mechanism includes a screw rod rotatably disposed on the frame and above the conveying mechanism, the screw rod extending in a width direction of the conveying mechanism, the screw rod having two sections of external threads with opposite rotation directions, the screw rod being threadedly coupled to one of the moving portions through one of the sections of the external threads and being threadedly coupled to the other of the moving portions through the other section of the external threads.

According to some embodiments of the utility model, the moving part is provided with a plurality of glue coating rollers along the conveying direction of the conveying mechanism, the moving part is provided with a driving motor corresponding to each glue coating roller, and the driving motor is in transmission connection with the corresponding glue coating roller so as to control the glue coating rollers to rotate.

According to some embodiments of the utility model, the moving part can move to enable the glue spreader to be located above the outer side of the conveying mechanism, the frame is provided with a glue storage box capable of moving up and down on the outer side of the conveying mechanism, a plurality of glue scraping plates are arranged in the glue storage box and correspond to the glue spreaders one by one, and when the glue spreader is located above the outer side of the conveying mechanism, the glue scraping plates can move upwards along with the glue storage box to abut against the outer side wall of the glue spreader.

According to some embodiments of the utility model, the squeegee extends in an axial direction of the glue roll, and both ends of the squeegee are located outside both ends of the glue roll when the squeegee abuts against the outer sidewall of the glue roll.

According to some embodiments of the utility model, a first lifting cylinder is vertically arranged on the frame at the outer side of the conveying mechanism, and the glue storage box is arranged at the top end of the first lifting cylinder.

According to some embodiments of the utility model, a plurality of first guide rods are vertically arranged at the bottom end of the glue storage box, a plurality of first guide holes are correspondingly arranged on the rack, and the first guide rods are matched with and penetrate through the first guide holes.

According to some embodiments of the utility model, the cardboard gluing device further comprises:

the placing plate is arranged at the position, close to the input end of the conveying mechanism, of the rack in a lifting mode and used for placing the paper boards;

the lifting mechanism is arranged on the rack and used for controlling the placing plate to lift;

the pushing part can be movably arranged on the rack along the length direction of the conveying mechanism, and can push the uppermost paperboard on the placing plate to the conveying mechanism in the moving process of the pushing part.

According to some embodiments of the present invention, the lifting mechanism includes a second lift cylinder vertically disposed on the frame, and the placing plate is disposed at a top end of the second lift cylinder.

According to some embodiments of the present invention, a plurality of second guide rods are vertically disposed at a bottom end of the placing plate, a plurality of second guide holes are correspondingly disposed on the frame, and the second guide rods are fittingly inserted through the second guide holes.

According to some embodiments of the utility model, a pushing cylinder is arranged on the frame, the pushing cylinder extends along the conveying direction of the conveying mechanism, and the pushing part is arranged at one end of the pushing cylinder close to the conveying mechanism.

According to some embodiments of the utility model, the pushing part has an elongated structure and extends in a width direction of the conveying mechanism.

According to some embodiments of the utility model, a baffle is vertically arranged between the conveying mechanism and the placing plate on the rack, the baffle is perpendicular to the conveying direction of the conveying mechanism, and the top end of the baffle is flush with the upper end face of the conveying mechanism.

According to some embodiments of the utility model, the conveying mechanism comprises two conveying belts arranged side by side, the moving part is located above the corresponding conveying belt, a plurality of bearing plates are arranged between the two conveying belts, the bearing plates extend along the conveying direction of the conveying belts, and the upper end surfaces of the bearing plates are flush with the upper end surfaces of the conveying belts.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is another perspective view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

reference numerals:

the glue scraping machine comprises a rack 100, a support rod 101, a glue storage box 102, a glue scraping plate 103, a first lifting oil cylinder 104, a first guide rod 105 and a baffle 106; a conveying mechanism 200; a moving unit 300 and a drive motor 301; a spray gun 400; a glue roller 500; a drive mechanism 600, a lead screw 601, a drive motor 602; a placing plate 700, a second guide bar 701; a lifting mechanism 800; a pushing unit 900 and a pushing cylinder 901.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more and "plural groups" means two or more groups unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A paperboard gluing device according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.

The cardboard gluing device according to the embodiment of the present invention, as shown in fig. 1 to 3, includes:

a frame 100;

a conveying mechanism 200 disposed on the frame 100 for conveying the sheet;

two moving parts 300 which are provided on the frame 100 and located above both sides of the conveying mechanism 200, the two moving parts 300 being capable of moving and adjusting in the width direction of the conveying mechanism 200;

a spray gun 400 provided on the moving part 300 for spraying glue to an upper end surface of the paperboard;

the glue spreader 500 is rotatably disposed on the moving portion 300, the axial direction of the glue spreader 500 is parallel to the width direction of the conveying mechanism 200, and the glue spreader 500 is used for uniformly spreading glue on the upper end face of the paperboard.

In this embodiment, when needing to carry out the rubber coating to the cardboard, place the cardboard in conveying mechanism 200's input, conveying mechanism 200 can carry the cardboard to the below of two removal portions 300, thereby spray gun 400 on the removal portion 300 sprays the glue to the both sides of cardboard up end, the up end of the lateral wall laminating cardboard of glue spreader 500 simultaneously, the cardboard is along with the in-process that conveying mechanism 200 removed, glue spreader 500 rotates to can paint the glue of cardboard up end both sides evenly. According to the paperboard gluing device disclosed by the embodiment of the utility model, the two moving parts 300 can move and adjust along the width direction of the conveying mechanism 200, so that the positions of the spray gun 400 and the glue spreader 500 in the width direction of the conveying mechanism 200 can be changed, the spray gun 400 can spray glue at different positions of the paperboard, the glue spreader 500 can glue at different positions of the paperboard, and the paperboard gluing device is suitable for paperboards with different sizes and has good practicability.

The conveying direction of the conveying mechanism 200 is a horizontal direction so that the paper sheet can move horizontally. The width direction of the conveying mechanism 200 refers to a horizontal direction perpendicular to the conveying direction of the conveying mechanism 200. The moving parts 300 are located above both sides of the conveying mechanism 200, which means that the moving parts 300 are located above both sides of the conveying direction of the conveying mechanism 200, that is, the two moving parts 300 are arranged along the width direction of the conveying mechanism 200. The spray gun 400 and the glue spreader 500 may be both disposed at the bottom of the moving portion 300, the spray nozzle of the spray gun 400 is downward, and the bottom of the outer sidewall of the glue spreader 500 is attached to the upper end surface of the paperboard. The spray gun 400 is a conventional device capable of spraying liquid such as glue, and the structure of the spray gun 400 is not modified in the present invention, so the structure and the operation principle of the spray gun 400 are not described in detail herein.

In some embodiments of the present invention, as shown in fig. 2, the rack 100 is provided with a plurality of support rods 101 above the conveying mechanism 200, the support rods 101 extend along the width direction of the conveying mechanism 200, the moving part 300 is provided with a plurality of mounting holes and slidably sleeves the corresponding support rods 101 through the mounting holes, and the rack 100 is provided with a driving mechanism 600, and the driving mechanism 600 is used for controlling the moving part 300 to slide. Through the cooperation of bracing piece 101 and mounting hole not only make removal portion 300 only remove along conveying mechanism 200's width direction, bracing piece 101 can play the supporting role moreover for the installation of removal portion 300 is more firm, and it is more steady to remove. It is understood that an air cylinder or an oil cylinder may be directly disposed on the frame 100, the air cylinder or the oil cylinder extends along the width direction of the conveying mechanism 200, and the moving portion 300 is directly mounted on a piston rod of the air cylinder or the oil cylinder.

In some embodiments of the present invention, as shown in fig. 2, the driving mechanism 600 includes a screw rod 601 rotatably disposed on the frame 100 and above the conveying mechanism 200, the screw rod 601 extends along the width direction of the conveying mechanism 200, the screw rod 601 has two sections of external threads with opposite rotation directions, and the screw rod 601 is threadedly connected to one of the moving parts 300 through one section of the external threads and is threadedly connected to the other moving part 300 through the other section of the external threads. Specifically, a threaded hole is formed in the moving portion 300, and the moving portion 300 is connected to the screw rod 601 through the threaded hole and a matching thread of an external thread on the screw rod 601. Because the two sections of external threads on the screw rod 601 are opposite in rotating direction, the screw rod 601 is rotated to control the two moving parts 300 to synchronously move along the directions close to or away from each other, so that the spray gun 400 and the glue spreader 500 on the two moving parts 300 can be controlled to synchronously move and adjust, the operation is convenient, and the time and the labor are saved. It should be noted that the lead screw 601 may be manually rotated, or a driving motor 602 may be disposed on the frame 100, the driving motor 602 is in transmission connection with the lead screw 601, the driving motor 602 is started, and the driving motor 602 can control the lead screw 601 to rotate. The driving mechanism 600 may have another structure, for example, a driving cylinder or a driving cylinder, and the sliding of the moving part 300 may be controlled by the driving cylinder or the driving cylinder.

In some embodiments of the present invention, as shown in fig. 1 to fig. 3, the moving portion 300 is provided with a plurality of glue application rollers 500 along the conveying direction of the conveying mechanism 200, a driving motor 301 is provided on the moving portion 300 corresponding to each glue application roller 500, and the driving motor 301 is in transmission connection with the corresponding glue application roller 500 for controlling the rotation of the glue application roller 500. Each moving part 300 is provided with a plurality of glue coating rollers 500, so that glue on the upper end face of the paperboard can be coated more uniformly. The glue spreader 500 is controlled to rotate by the driving motor 301, so that the rotating speed of the glue spreader 500 can be adjusted according to actual conditions, and the glue spreader 500 is a driving roller under the condition and can be matched with the conveying mechanism 200 to convey the paperboard. It should be noted that the number of the spray guns 400 may be one or more, the spray guns 400 may be located in front of all the glue application rollers 500 relative to the conveying direction of the conveying mechanism 200, or may be staggered with the glue application rollers 500, and only the glue sprayed by the spray guns 400 may be applied by the glue application rollers 500.

In some embodiments of the present invention, as shown in fig. 1 to 3, the moving portion 300 can move to a position above the outer side of the conveying mechanism 200, the frame 100 is provided with a glue storage box 102 capable of moving up and down on the outer side of the conveying mechanism 200, the glue storage box 102 is provided with a plurality of glue scraping plates 103 therein, the glue scraping plates 103 correspond to the glue rollers 500 one by one, and when the glue rollers 500 are located above the outer side of the conveying mechanism 200, the glue scraping plates 103 can move up along with the glue storage box 102 to abut against the outer side walls of the glue rollers 500. Glue spreader 500 carries out the rubber coating back to the cardboard, can adhesion part glue, when need not carry out the rubber coating to the cardboard, in order to avoid glue to adhere always on glue spreader 500 and influence glue spreader 500's next use, need clear away glue. The existing method is that the glue on the glue spreader 500 is removed by manually holding the scraper, which is not only troublesome to operate, but also easy to drop on the rack 100 and the conveying mechanism 200. In this embodiment, when needing to strike off glue on the glue spreader 500, remove and adjust removal portion 300, make the glue spreader 500 be located the top in the conveying mechanism 200 outside, later remove up and store up gluey box 102, when storing up gluey box 102 and remove to setting for the position, store up the lateral wall that the frictioning board 103 in gluey box 102 can butt glue spreader 500, start driving motor 301 at last, driving motor 301 drives glue spreader 500 and rotates, frictioning board 103 can strike off glue on the lateral wall of glue spreader 500 totally, and is simple in operation, time saving and labor saving, and the glue of striking off directly drops to storing up gluey box 102 in, can not drop to on frame 100 and conveying mechanism 200.

In some embodiments of the present invention, as shown in FIG. 2, the doctor blade 103 extends in the axial direction of the applicator roll 500, and both ends of the doctor blade 103 are located outside both ends of the applicator roll 500 when the doctor blade 103 abuts the outer sidewall of the applicator roll 500. Thereby more completely and thoroughly removing the glue on the outer side wall of the glue spreader 500.

In some embodiments of the present invention, as shown in fig. 1 and 3, a first lift cylinder 104 is vertically disposed outside the conveying mechanism 200 of the rack 100, and the glue storage box 102 is disposed at a top end of the first lift cylinder 104. When the first lifting oil cylinder 104 is started, the first lifting oil cylinder 104 can control the glue storage box 102 to move up and down, and the operation is convenient, time-saving and labor-saving. Of course, the lifting cylinder or the motor screw mechanism may control the glue storage box 102 to move up and down.

In some embodiments of the present invention, as shown in fig. 1 and 3, a plurality of first guide rods 105 are vertically disposed at a bottom end of the glue storage box 102, a plurality of first guide holes are correspondingly disposed on the rack 100, and the first guide rods 105 are fittingly inserted through the first guide holes. Through the cooperation of first guide bar 105 and first guiding hole, not only make and store up gluey box 102 and only remove along vertical direction, can prevent to store up gluey box 102 and reciprocate moreover because support unstable and take place to turn on one's side.

In some embodiments of the present invention, as shown in fig. 1 and 2, the cardboard gluing apparatus further includes a placing plate 700, a lifting mechanism 800 and a pushing portion 900, the placing plate 700 is disposed at a position of the frame 100 close to the input end of the conveying mechanism 200 in a lifting manner, the placing plate 700 is used for placing the cardboard, the lifting mechanism 800 is disposed on the frame 100 for controlling the placing plate 700 to lift, the pushing portion 900 is disposed on the frame 100 in a movable manner along the length direction of the conveying mechanism 200, and the pushing portion 900 can push the uppermost cardboard on the placing plate 700 onto the conveying mechanism 200 during movement. The existing feeding mode is that the paperboards are generally carried to the conveying mechanism 200 in sequence by manual work, the operation is troublesome, time and labor are wasted, and the labor cost is high. In this embodiment, only need to pile up a plurality of cardboards and place on placing board 700, then start elevating system 800, elevating system 800 can control and place board 700 and reciprocate, thereby place board 700 and can drive the cardboard and reciprocate, the bottom that makes the cardboard of the superiors just with conveying mechanism 200's up end parallel and level or be a little higher than conveying mechanism 200's up end, later remove propelling movement portion 900 along conveying mechanism 200's direction of delivery, propelling movement portion 900 can be with the cardboard propelling movement of the superiors to conveying mechanism 200 on, and convenient for operation, time saving and labor saving, the cost of labor is low. It is understood that the bottom of the pushing part 900 may be flush with the upper end surface of the conveying mechanism 200 or slightly higher than the upper end surface of the conveying mechanism 200 so as to push the uppermost paperboard onto the conveying mechanism 200.

In some embodiments of the present invention, as shown in fig. 1, the lifting mechanism 800 includes a second lift cylinder vertically disposed on the frame 100, and the placing plate 700 is disposed at the top end of the second lift cylinder. And the second lifting oil cylinder is started, the second lifting oil cylinder can control the placing plate 700 to lift, and the operation is convenient. Of course, the lifting mechanism 800 may have other structures, such as a lifting cylinder.

In some embodiments of the present invention, as shown in fig. 1, a plurality of second guide rods 701 are vertically disposed at a bottom end of the placing plate 700, a plurality of second guide holes are correspondingly disposed on the rack 100, and the second guide rods 701 are fittingly inserted through the second guide holes. Through the cooperation of second guide bar 701 and second guiding hole, can prevent to place board 700 and reciprocate the time because support unstable and take place to turn on one's side.

In some embodiments of the present invention, as shown in fig. 1 and 2, the frame 100 is provided with a pushing cylinder 901, the pushing cylinder 901 extends along the conveying direction of the conveying mechanism 200, and the pushing part 900 is provided at one end of the pushing cylinder 901 close to the conveying mechanism 200. When the pushing cylinder 901 is started, the pushing cylinder 901 can control the pushing part 900 to move along the length direction of the conveying mechanism 200, so that the operation is convenient, and the time and the labor are saved. Of course, the pushing part 900 may be controlled to move by the pushing cylinder.

In some embodiments of the present invention, as shown in fig. 2, the pushing part 900 has an elongated structure and extends along the width direction of the conveying mechanism 200. And then the contact area of the pushing part 900 and the paperboard is larger, and the effect of pushing the paperboard by the pushing part 900 is better.

In some embodiments of the present invention, as shown in fig. 1 to 3, the rack 100 is vertically provided with a baffle 106 between the conveying mechanism 200 and the placing plate 700, the baffle 106 is perpendicular to the conveying direction of the conveying mechanism 200, and the top end of the baffle 106 is flush with the upper end surface of the conveying mechanism 200. Set up baffle 106, when the bottom of the cardboard of the superiors just with conveying mechanism 200's up end parallel and level or be a little higher than conveying mechanism 200's up end, and propelling movement portion 900 with the cardboard propelling movement of the superiors to conveying mechanism 200 on, baffle 106 can block remaining cardboard, avoids remaining cardboard to move towards conveying mechanism 200 under the effect of frictional force to make remaining cardboard can keep at neatly placed state.

In some embodiments of the present invention, as shown in fig. 2, the conveying mechanism 200 includes two conveying belts arranged side by side, the moving portion 300 is located above the corresponding conveying belts, a plurality of bearing plates are arranged between the two conveying belts, the bearing plates extend along the conveying direction of the conveying belts, and the upper end surfaces of the bearing plates are flush with the upper end surfaces of the conveying belts. Conveying mechanism 200 sets up to both sides and is the conveyer belt, and the centre is the structure of loading board, can not only carry the cardboard, and the middle part position that the loading board can bear the weight of the cardboard avoids the cardboard to take place sunkenly moreover. Of course, in some embodiments, the conveying mechanism 200 may be a complete conveyor belt.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A cardboard gluing device, characterized in that, includes:

a frame (100);

the conveying mechanism (200) is arranged on the rack (100) and used for conveying the paper board;

two moving parts (300) which are arranged on the rack (100) and are positioned above two sides of the conveying mechanism (200), wherein the two moving parts (300) can move and adjust along the width direction of the conveying mechanism (200);

a spray gun (400) disposed on the moving part (300) for spraying glue to an upper end surface of the paperboard;

glue spreader (500), can set up with rotating in on the removal portion (300), the axial direction of glue spreader (500) is parallel conveying mechanism (200)'s width direction, glue spreader (500) are used for scribbling the glue of cardboard up end evenly.

2. The cardboard gluing device according to claim 1, characterized in that the frame (100) is provided with a plurality of support bars (101) above the conveying mechanism (200), the support bars (101) extend along the width direction of the conveying mechanism (200), the moving part (300) is provided with a plurality of mounting holes and is slidably sleeved with the corresponding support bars (101) through the mounting holes, the frame (100) is provided with a driving mechanism (600), and the driving mechanism (600) is used for controlling the moving part (300) to slide.

3. A cardboard gluing device according to claim 2, characterised in that the driving mechanism (600) comprises a screw bar (601) rotatably arranged on the frame (100) above the conveyor mechanism (200), the screw bar (601) extending in the width direction of the conveyor mechanism (200), the screw bar (601) having two external threads with opposite turning directions, the screw bar (601) being in threaded connection with one of the moving parts (300) by one of the external threads and with the other moving part (300) by the other external thread.

4. A cardboard gluing device according to any one of claims 1 to 3, characterized in that the mobile portion (300) is provided with a plurality of glue rollers (500) along the conveying direction of the conveying mechanism (200), a driving motor (301) is provided on the mobile portion (300) corresponding to each glue roller (500), the driving motor (301) is in transmission connection with the corresponding glue roller (500) for controlling the rotation of the glue roller (500).

5. The paperboard gluing device according to claim 4, wherein the moving part (300) can move to a position where the glue spreader (500) is located above the outer side of the conveying mechanism (200), the frame (100) is provided with a glue storage box (102) capable of moving up and down on the outer side of the conveying mechanism (200), a plurality of glue scraping plates (103) are arranged in the glue storage box (102), the glue scraping plates (103) correspond to the glue spreader (500) in a one-to-one manner, and when the glue spreader (500) is located above the outer side of the conveying mechanism (200), the glue scraping plates (103) can move upwards along with the glue storage box (102) to abut against the outer side wall of the glue spreader (500).

6. The cardboard gluing device according to claim 5, characterized in that the frame (100) is vertically provided with a first lifting cylinder (104) outside the conveying mechanism (200), and the glue storage box (102) is arranged at the top end of the first lifting cylinder (104).

7. The cardboard gluing device according to claim 6, characterized in that a plurality of first guiding rods (105) are vertically arranged at the bottom end of the glue storage box (102), a plurality of first guiding holes are correspondingly arranged on the frame (100), and the first guiding rods (105) are matched and penetrated through the first guiding holes.

8. A board gluing device according to any one of claims 1 to 3, characterized in that it further comprises:

the placing plate (700) is arranged at the position, close to the input end of the conveying mechanism (200), of the rack (100) in a lifting mode, and the placing plate (700) is used for placing paperboards;

the lifting mechanism (800) is arranged on the rack (100) and is used for controlling the placing plate (700) to lift;

the pushing part (900) can be movably arranged on the rack (100) along the length direction of the conveying mechanism (200), and the uppermost paperboard on the placing plate (700) can be pushed to the conveying mechanism (200) by the pushing part (900) in the moving process.

9. The apparatus for gluing cardboard according to claim 8, characterized in that said lifting mechanism (800) comprises a second lifting cylinder vertically arranged on said frame (100), said placing plate (700) being arranged at the top end of said second lifting cylinder.

10. The cardboard gluing device according to claim 9, characterized in that a plurality of second guiding rods (701) are vertically arranged at the bottom end of the placing plate (700), a plurality of second guiding holes are correspondingly arranged on the frame (100), and the second guiding rods (701) are matched and penetrated through the second guiding holes.