Gluing structure of paper box

Abstract

The utility model discloses a paper box gluing structure which comprises a conveying belt, a portal frame, a lifting frame and a gluing head and further comprises a guide material suction tool, the guide material suction tool comprises a flow guide column, a guide disc, a step and an inner suction hole, the inner suction hole is connected to an inner cavity of the guide disc through an inner pipe and then connected with the flow guide column, the guide disc is attached to a paper board through a pressing connection structure, and the step is connected with the inner suction hole. According to the gluing machine, glue liquid which is coated on a paperboard by the gluing head and is higher than the step flows to the inner side of the step, is sucked by the outer suction pipe and then is sucked into the flow guide column from the position of the inner suction hole, so that a gluing area of the gluing machine can be accurately standardized, and the phenomenon of glue overflow is not easily caused while a sufficient attaching area can be obtained in a crimping matching process of a sticky foot.

Description

Technical Field

[0001] The utility model relates to a paper box processing device, in particular to a paper box gluing structure. Background Art

[0002] Paper boxes can be used in many fields. They are made by splicing several cardboards of different shapes and sizes. The splicing method is to use different glues, such as hot melt glue, PUR glue, etc. In the process of glue and cardboard, the glue is drawn out from the glue barrel by a glue coating machine and applied to the cardboard. The coating trajectory is set according to the position of the cardboard to be attached.

[0003] The existing gluing methods are to transfer the cardboard to the lower end of the gluing machine, and then preset a certain trajectory for the power structure of the gluing machine in advance, so that the gluing machine can apply glue during movement, and in the next stage, the sticky foot is pressed on the glue coating position to make the two form a bond. However, in the gluing process, the sticky foot does not actually need too much glue, and too much glue will also cause overflowing glue seams, which greatly affects the appearance of the paper box. However, if the amount of glue is directly reduced, the overflow area of ​​the glue will be relatively smaller when the sticky foot is pressed with the glue, resulting in poor adhesion of the sticky foot and easy falling off. Utility Model Content

[0004] The utility model provides a gluing structure for a paper box, which can not only accurately regulate the gluing area of ​​a gluing machine, but also enable the gluing area to form a certain height, so that the adhesive foot can have a sufficient attachment area during the crimping process without easily causing glue overflow.

[0005] The utility model is achieved in this way:

[0006] A gluing structure for a paper box, comprising a conveyor belt for conveying paper boxes, a gantry is provided at the middle of the conveyor belt, a slidable lifting frame is provided on the gantry, a gluing head is fixed on the lifting frame, and the gluing head is connected to a glue barrel through a conveying pipeline, and the gluing structure also includes:

[0007] The guide suction tooling comprises a fixed side plate provided above the conveyor belt, and a movable plate located above the conveyor belt is provided opposite to the fixed side plate, and the movable plate pushes the cardboard transmitted to the fixed side plate by the conveyor belt, and the guide suction tooling comprises a guide column fixedly connected to the fixed side plate, and the guide column passes through the fixed side plate and is connected to the external suction pipe, and the end of the guide column away from the external suction pipe is connected to a guide plate, and the glue coating head moves along the outer side of the guide plate, and the outer side of the guide plate is extended outwardly to be provided with a step, and the outer side wall of the guide plate is provided with a plurality of inner suction holes, and the inner suction holes are connected to the inner cavity of the guide plate through inner tubes and then connected to the guide column, and the guide plate is fitted with the cardboard through a crimping structure, and the glue coated on the cardboard by the glue coating head above the step flows to the inner side of the step, and is sucked into the guide column from the position of the inner suction hole after being sucked by the external suction pipe.

[0008] As a further improvement, the glue head at the bottom of the glue coating head is provided with a wedge-shaped surface, and the wedge-shaped surface is located at a side of the glue head away from the guide plate.

[0009] As a further improvement, the guide plate adapts to the moving track of the glue coating head, the step is inclined toward one side of the guide plate, and the bottom end of the step is connected to the inner suction hole.

[0010] As a further improvement, the guide column includes a suction channel connected to the guide plate and the external suction tube. A guide channel is provided on the top of the suction channel. The glue dripping onto the guide column from the suction channel is guided to the external suction tube through the guide channel.

[0011] As a further improvement, the width of the guide column is 3 to 4 cm.

[0012] As a further improvement, the crimping structure includes a plurality of pressure plates arranged at the bottom of the guide plate, and a lifting member is fixedly connected to the bottom of the suction channel. When the lifting member drives the guide column to move downward, the pressure plate is fixed on the cardboard.

[0013] The beneficial effects of the utility model are:

[0014] In conventional gluing machines, the specific moving route of the gluing head is often specified by setting the moving trajectory of the gluing head. However, this may easily lead to failure to timely detect that the gluing position is not in place or the amount of glue applied is insufficient. In addition, in order to allow the adhesive foot to better bond with the cardboard body during the pressing stage, the amount of glue applied is often increased. However, simply increasing the amount of glue applied may easily lead to glue overflow. Therefore, the present invention firstly adopts a guide suction tool, and by providing a guide plate that is compatible with the moving trajectory of the gluing head, the gluing head can be closely attached to the guide plate when moving. The guide plate moves to the outside of the guide plate, thereby guiding and regulating its moving trajectory. In order to make the glue coating height meet the requirements of the pressing and the glue coating amount meet the requirements, steps and inner suction holes are set on the inner side of the guide plate. When coating, a part of the surplus is squeezed out, and the glue above the set height will overflow to the inside of the step. Under the suction of the inner suction hole, it is sucked to the position of the guide column for recovery, so that the glue coating height can meet the requirements without causing glue overflow. The excess glue can be recovered. At the same time, during the entire gluing stage, the gluing head always moves close to the guide plate and is not easy to deviate.

[0015] Since the glue coating head performs a closed-loop periodic motion when moving, it is difficult to find a space to fix the guide plate. Therefore, in the utility model, the guide plate is fixed by a guide column. The guide column is used as a channel for diversion and has a connection effect. At the same time, its width is made thin. Even when the glue passes from above, only a small area of ​​the cardboard is not covered by the glue. This area can be supplemented in the gluing foot pressing stage, and there will be no weak bonding points. At the same time, the guide plate that is difficult to find a fixing point is fixed.

[0016] In order to ensure that the overflowing glue during the gluing process of the gluing head only moves to one side of the step and is not easy to overflow to the outside, the utility model arranges the bottom of the gluing head as a wedge-shaped surface, so that the protruding glue will flow to one side of the step under the lateral pressure of the wedge-shaped surface, thereby improving the recovery effect of the glue and playing a certain guiding role on the glue.

[0017] In the stage of accommodating the glue liquid, if the step is set as a straight step, it is not only difficult to accommodate the glue liquid, but also increases the difficulty of recovering the glue liquid. Therefore, the utility model sets the step inclined on the basis of setting the step, and sets the inner suction hole at the bottom of the inclined step, so that when the glue liquid is recovered, the glue liquid has moved downward to the position of the inner suction hole under the guidance of the inclined step, so when suction occurs at the inner suction hole, the glue liquid can be quickly sucked away, and it is not easy to deviate the glue liquid that has been coated on the paperboard.

[0018] When the glue coating head passes through the top of the guide column, for the continuity of coating, the glue does not stop flowing here, so a part of the glue will remain on the top of the guide column. In order to prevent the glue from staying and condensing here, the utility model provides a guide channel on the top of the guide column on the basis of the flowable and recyclable glue inside the guide column, so that the glue dripping on the top of the guide column can be drawn away through the guide channel, so as to prevent the glue from drying up here or flowing onto the cardboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a three-dimensional structural schematic diagram (first viewing angle) of a gluing structure of a paper box of the utility model.

[0021] Figure 2 It is a three-dimensional structural schematic diagram (second viewing angle) of a gluing structure of a paper box of the utility model.

[0022] Figure 3 The utility model is a schematic diagram of a top view of a gluing structure of a paper box.

[0023] Figure 4 The utility model is a three-dimensional structural schematic diagram of the cooperation of a guide material suction tooling, a glue drop removal structure and a fixed side plate.

[0024] Figure 5 It is a three-dimensional structural schematic diagram of a guide column of the utility model.

[0025] Figure 6 The utility model is a three-dimensional structural schematic diagram of a guide material suction tool.

[0026] Figure 7 The utility model is a three-dimensional structural schematic diagram of a guide material suction tool and a glue drop removal structure.

[0027] Figure 8 This utility model Figure 7 Top view of the . DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0029] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot 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 one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] Reference Figures 1 to 8As shown, a paper box gluing structure comprises a conveyor belt 10 for conveying paper boxes, a gantry 20 is arranged at the middle position of the conveyor belt 10, a slidable lifting frame 30 is arranged on the gantry 20, a gluing head 40 is fixed on the lifting frame 30, and the gluing head 40 is connected to the glue barrel through a conveying pipeline. The highly adaptable gluing machine also includes: a guide suction tooling, a fixed side plate 11 is arranged above the conveyor belt 10, and a fixed side plate 11 is arranged on the opposite side of the fixed side plate 11. The movable plate 12 above the conveyor belt 10 pushes the cardboard transferred to the fixed side plate 11 by the conveyor belt 10. The guide suction tooling includes a guide column 51 fixedly connected to the fixed side plate 11. The guide column 51 penetrates the fixed side plate 11 and is connected to the external suction pipe. The end of the guide column 51 away from the external suction pipe is connected to a guide plate 52. The glue coating head 40 moves along the outer side of the guide plate 52. The outer side of the guide plate 52 is extended outwardly to be provided with a step 53. The outer wall of the plate 52 is provided with a plurality of inner suction holes 54, which are connected to the inner cavity of the guide plate 52 through an inner tube and then connected to the guide column 51. The guide plate 52 is fitted with the paperboard through a crimping structure 55. The glue liquid coated on the paperboard by the glue coating head 40 and higher than the step 53 flows to the inner side of the step 53, and is sucked from the position of the inner suction hole 54 to the guide column 51 after being sucked by the external suction pipe; the glue drop removal structure 60, the top corner of the guide plate 52 close to the fixed side plate 11 is fixed with a mounting The glue droplet removing structure 60 comprises an outer hollow frame 61 spaced apart from the mounting platform 521, the outer hollow frame 61 is connected to the bottom of the mounting platform 521 via a bottom plate 62, straight grooves are provided on both sides of the outer hollow frame 61 relative to the step 53, a glue scraper 63 is provided in the groove on the side of the outer hollow frame 61 close to the guide column 51, the top surface of the glue scraper 63 is flush with the glue coating head 40, and the glue coating head 40 is scraped off the glue at the bottom by the glue scraper 63 when it moves to the straight groove.

[0031] The glue coating machine used in this embodiment is used in the initial processing stage, that is, the stage of connecting the cardboard with the adhesive feet. The folded cardboard needs to be coated with glue on its surface, and then wait for the next step of adhesive foot fixing. Finally, the adhesive feet and the glue are pressed together to complete the fixation of the adhesive feet and the cardboard.

[0032] In the process of gluing by the gluing head 40 , two kinds of glue are generally used, one is PUR glue and the other is hot melt glue. Different glues can be used for different products.

[0033] In conventional gluing machines, the specific moving route of the gluing head 40 is often specified by setting the moving trajectory of the gluing head 40. However, this may easily lead to failure to timely detect that the gluing position is not in place or the amount of glue applied is insufficient. In addition, in order to allow the adhesive foot to better bond with the cardboard body during the lamination stage, the amount of glue applied is often increased. However, simply increasing the amount of glue applied may easily lead to glue overflow. Therefore, the present embodiment firstly adopts a guide suction tool. First, a guide plate 52 adapted to the moving trajectory of the gluing head 40 is provided, so that the gluing head 40 can be closely attached to the guide plate 52 when moving. The outer side of the guide plate 52 is guided and regulated to guide and regulate its moving track. In order to make the glue coating height meet the requirements of the pressing and the glue coating amount meet the requirements, a step 53 and an inner suction hole 54 are set on the inner side of the guide plate 52. When coating the glue, a part of the surplus is squeezed out, and the glue liquid above the set height will overflow to the inner side of the step 53, and will be sucked to the position of the guide column 51 under the suction force of the inner suction hole 54 for recovery, so that the glue coating height can meet the requirements without causing the phenomenon of glue overflow, and the excess glue liquid can be recovered. At the same time, during the whole gluing stage, the gluing head 40 always moves closely to the guide plate 52 and is not easy to deviate.

[0034] Since the glue coating head 40 performs a closed-loop periodic motion when moving, it is difficult to have a space to fix the guide plate 52, that is, the guide plate 52 has no attachment point. Therefore, in this embodiment, the guide plate 52 is fixed by a guide column 51. The guide column 51 is used as a channel for guiding and has a connection effect. At the same time, its width is made thin, so that even when the glue passes from above, only a small area of ​​the cardboard is not covered by the glue. This area can be supplemented in the glue foot pressing stage, and there will be no weak bonding points. At the same time, the guide plate 52, which is difficult to find a fixing point, is fixed.

[0035] In order to prevent the overflowing glue from moving only to one side of the step 53 and not easily overflowing to the outside during the gluing process of the gluing head 40, a wedge-shaped surface is provided at the bottom of the gluing head 40 of this embodiment, and the wedge-shaped surface is located at a position of the glue head away from the guide plate 52. By setting the bottom of the gluing head 40 as a wedge-shaped surface, the protruding glue will flow to one side of the step 53 under the lateral pressure of the wedge-shaped surface, thereby improving the recovery effect of the glue and guiding the glue to a certain extent. It should be emphasized that a rotating structure, such as a micro motor, can be provided on the gluing head 40, which is then connected to the glue outlet through a rotating joint, so that the angle of the wedge-shaped surface can be changed.

[0036] In the present embodiment, since the gluing trajectory is square, the guide plate 52 is also shaped like a square. In other embodiments, if the gluing trajectory is triangular, the guide plate 52 is also shaped like a triangle. The guide plate 52 adapts to the moving trajectory of the gluing head 40. When the step 53 is used to accommodate the glue, if it is set as a straight step, it is not only difficult to accommodate the glue, but also increases the difficulty of recovering the glue. Therefore, the utility model sets the step 53 at an angle on the basis of setting the step 53, and sets the inner suction hole 54 at the bottom of the inclined step 53. Therefore, when the glue is recovered, the glue has moved downward to the position of the inner suction hole 54 under the guidance of the inclined step 53. Therefore, when suction occurs at the inner suction hole 54, the glue can be quickly drawn away, and it is not easy to deviate the glue that has been coated on the cardboard.

[0037] When the glue coating head 40 passes through the top of the guide column 51, for the continuity of coating, the glue does not stop flowing here, so a part of the glue will remain on the top of the guide column 51. In order to prevent the glue from staying and condensing here, the guide column 51 of this embodiment includes a suction channel 511 connected with the guide plate 52 and the external suction tube, and a guide channel 512 is arranged on the top of the suction channel 511. The glue dripped on the guide column 51 through the suction channel 511 is conducted to the external suction tube through the guide channel 512. By providing the guide channel 512 on the basis of the flowable and recyclable glue inside the guide column 51, the glue dripped on the top of the guide column 51 is drawn away through the guide channel 512 to prevent the glue from drying up here or flowing onto the cardboard. Preferably, in order to minimize the influence of the guide channel 512 on the glue coating head 40, preferably, the width of the guide column 51 is 3 to 4 cm, so that the gap generated by it can be offset by the crimping process.

[0038] After gluing a single cardboard, it is necessary to wait for the secondary loading of the cardboard. During this period, cardboard jamming is likely to occur, that is, the cardboard at the bottom of the whole stack of cardboards is stuck and cannot fall, and manual intervention is required for adjustment. During this period, the residual glue at the outlet of the gluing head 40 is likely to condense, and after condensation, it is easy to block the gluing port. Therefore, the utility model is provided with a glue droplet removal structure 60 on the basis of the guide suction tooling. The glue scraper 63 of the glue droplet removal structure 60 is arranged at a place where the gluing head 40 must pass when moving. Every time the gluing head 40 moves a cycle, it needs to pass through the glue scraper 63, so that after each cycle of the gluing head 40, its gluing port will be cleared of residual glue. Even if the equipment is shut down for some reason, the glue port will not be blocked, so that the glue amount is always within a controllable range.

[0039] In order to improve the stability of the cardboard during gluing, the crimping structure 55 of this embodiment includes a plurality of pressure plates 551 arranged at the bottom of the guide plate 52. A lifting member 552 is fixedly connected to the bottom of the suction channel 511. When the lifting member 552 drives the guide column 51 to move downward, the pressure plates 551 are fixed on the cardboard. By arranging the crimping structure 55 at the bottom of the guide plate 52, the crimping structure 55 can make the lifting member 552 drive the guide plate 52 to descend when the cardboard is in place, so that the pressure plates 551 at the bottom of the guide plate 52 are pressed on the cardboard, so that precise fixed-point gluing can be performed during the gluing stage, thereby achieving precise and stable gluing effects.

[0040] During the working process of the glue coating head 40 circulating glue, it needs to continuously perform a cycle of descending, moving and rising. During the whole cycle, it may be continuous or intermittent. In order to improve its continuous effect, the two straight grooves of this embodiment form an L-shaped through groove. A light sensor is provided at the turning point of the through groove. The light sensor is electrically connected to the lifting frame 30. When the light sensor is energized, the lifting frame 30 drives the glue coating head 40 to rise. By arranging the light sensor in the middle of the two straight grooves, the lifting frame 30 can synchronously cooperate with the glue coating head 40 to drive the glue coating head 40 to move up and down when the glue coating head 40 is in place, so that the glue coating head 40 rises and waits for the next cycle.

[0041] In order to be able to scrape glue before each resetting, the scraper 63 is located at the front end of the light sensor. The glue coating head 40 is stopped immediately by the light sensor after scraping glue, so that the glue coating head 40 can receive the reset signal only after the action of the scraper 63, so that the two can be linked.

[0042] Specifically, the scraper 63 includes a conveying chamber 631 fixed to the base plate 62, and a scraper blade 632 is provided on the top of the conveying chamber 631. The scraper blade 632 is flush with the bottom surface of the glue coating head 40, so that when the glue coating head 40 passes through the scraper 63, the drops at the bottom can be scraped off by the scraper blade 632.

[0043] In order to ensure that the cardboard can be subjected to lateral fixing force during the gluing process, a push rod assembly is provided on the side of the movable plate 12 away from the conveyor belt 10. The push rod assembly consists of a plurality of push rods. The push rod assembly can push the movable plate 12 toward the side of the fixed side plate 11, thereby fixing the cardboard.

[0044] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gluing structure for a paper box, characterized in that: The invention comprises a conveyor belt (10) for conveying paper boxes, a gantry (20) is arranged at the middle of the conveyor belt (10), a slidable lifting frame (30) is arranged on the gantry (20), a gluing head (40) is fixed on the lifting frame (30), and the gluing head (40) is connected to a glue barrel through a conveying pipeline, and the gluing structure also includes: The guide suction tooling comprises a fixed side plate (11) disposed above the conveyor belt (10), a movable plate (12) located above the conveyor belt (10) is disposed opposite to the fixed side plate (11), the movable plate (12) pushes the paperboard transferred to the fixed side plate (11) by the conveyor belt (10), the guide suction tooling comprises a guide column (51) fixedly connected to the fixed side plate (11), the guide column (51) penetrates the fixed side plate (11) and is connected to an external suction pipe, the end of the guide column (51) away from the external suction pipe is connected to a guide plate (52), the glue coating head (40) The guide plate (52) moves along the outer side of the guide plate (52), the outer side of the guide plate (52) is provided with a step (53) extending outward, the outer side wall of the guide plate (52) is provided with a plurality of inner suction holes (54), the inner suction holes (54) are connected to the inner cavity of the guide plate (52) through an inner tube and then connected to the guide column (51), the guide plate (52) is fitted with the paperboard through a crimping structure (55), the glue liquid coated on the paperboard by the glue coating head (40) above the step (53) flows to the inner side of the step (53), and is sucked from the position of the inner suction holes (54) into the guide column (51) after being sucked by the outer suction pipe.

2. The gluing structure of a paper box according to claim 1, characterized in that: The glue head at the bottom of the glue coating head (40) is provided with a wedge-shaped surface, and the wedge-shaped surface is located at a position on the side of the glue head away from the guide plate (52).

3. The gluing structure of a paper box according to claim 1, characterized in that: The guide plate (52) adapts to the moving track of the glue coating head (40), the step (53) is inclined toward one side of the guide plate (52), and the bottom end of the step (53) is connected to the inner suction hole (54).

4. The gluing structure of a paper box according to claim 1, characterized in that: The guide column (51) comprises a suction channel (511) which is in communication with the guide plate (52) and the external suction tube. A guide channel (512) is arranged at the top of the suction channel (511). The glue liquid dripped onto the guide column (51) from the suction channel (511) is guided into the external suction tube via the guide channel (512).

5. The gluing structure of a paper box according to claim 4, characterized in that: The width of the guide column (51) is 3 to 4 cm.

6. The gluing structure of a paper box according to claim 5, characterized in that: The crimping structure (55) comprises a plurality of pressure plates (551) arranged at the bottom of the guide plate (52); a lifting member (552) is fixedly connected to the bottom of the suction channel (511); when the lifting member (552) drives the guide column (51) to move downward, the pressure plates (551) are fixed on the paperboard.

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