Gluing mechanism of side gluing machine

Abstract

The utility model discloses a gluing mechanism of a side gluing machine, which is arranged in a glue groove and comprises two side gluing wheels which are oppositely arranged at intervals, an extrusion ring is arranged at the upper end of the peripheral side of each side gluing wheel to extrude and position two sides of a book block, and a gluing ring is arranged on the lower side of each extrusion ring and used for gluing; a flow guide block capable of rotating relatively is attached to one side of each side rubber wheel, a flow guide groove, a rubber gathering groove and a flow discharge groove are formed in the side face of each flow guide block, the flow guide grooves extend from bottom to top to be connected with the rubber gathering grooves, the rubber gathering grooves are further connected with the flow discharge grooves, flow discharge holes connected with the flow discharge grooves are formed in the other side face of each flow guide block, the rubber gathering grooves are correspondingly attached to the rubber coating rings, and the flow discharge grooves are located below the rubber coating rings. The automatic gluing mechanism effectively solves the problems that a traditional gluing mechanism is uneven in gluing under the high-speed working condition, glue is wasted, equipment is prone to being blocked and the like, and the bookbinding quality and the production efficiency are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to book block gluing technical field, concretely relates to a gluing mechanism of side gluing machine. BACKGROUND

[0002] In the industrial production process involving book block gluing such as bookbinding, the side gluing machine as the key equipment, the working performance of its gluing mechanism directly affects the quality of the final product. At present, the traditional side gluing machine gluing mechanism mainly relies on the rotation of the side gluing wheel to realize the adhesion and coating of the glue. Specifically, the glue is driven in the rotation process of the side gluing wheel, and the gluing work is completed with the contact of the side gluing wheel and the book block. However, this working mode has a significant technical defect: the control of the amount of glue highly depends on the rotating speed of the side gluing wheel.

[0003] In actual production, especially under high-speed working conditions, the side gluing wheel needs to run at a high speed to meet the requirements of production efficiency. But high speed will cause the uneven distribution of glue on the side gluing wheel, and further cause the instability of the amount of glue in the gluing process, and the phenomenon of uneven gluing. Uneven gluing will not only affect the bonding strength of the book block, but also lead to the decline of the bookbinding quality.

[0004] In addition, the traditional gluing mechanism lacks effective glue guiding and gathering mechanism, and the flow of glue on the side gluing wheel is often disordered, which not only increases the waste of glue, but also may cause the accumulation of glue in the equipment, and further cause blockage and other faults, affecting the normal operation of the equipment and the continuity of production. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems existing in the prior art, provides a gluing mechanism of side gluing machine, effectively solves the technical problems such as uneven gluing of traditional gluing mechanism under high-speed working conditions, glue waste and easy blockage of equipment, and significantly improves the bookbinding quality and production efficiency.

[0006] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0007] The upper gluing mechanism of the side gluing machine is arranged in the glue tank of the side gluing machine, comprising two oppositely spaced side gluing wheels, a circle of extrusion rings is arranged on the upper end of the circumferential side of each of the two side gluing wheels, for extruding and positioning the two sides of the book core passing through the middle, a glue coating ring is arranged on the lower side of the extrusion ring of each of the two side gluing wheels, for coating glue on the two sides of the book core, a guide block is arranged on one side of each of the side gluing wheels, the side gluing wheel rotates relative to the guide block, the side close to the side gluing wheel of the guide block is provided with a guide groove, a glue gathering groove and a flow discharge groove, the guide groove is arranged from bottom to top, the guide groove is connected with the glue gathering groove, the glue gathering groove is connected with the flow discharge groove, the other side of the guide block is provided with a flow discharge hole connected with the flow discharge groove, the glue gathering groove is correspondingly attached with the glue coating ring, and the flow discharge groove is arranged below the glue coating ring.

[0008] Further, the guide block is provided with a shielding plate on one side of the flow discharge hole, one corner of the shielding plate is connected with the guide block through a bolt, and the shielding plate changes the size of the shielding flow discharge hole by adjusting the rotation angle.

[0009] Further, the side close to the side gluing wheel of the guide block is an arc surface attached with the side gluing wheel.

[0010] Further, the guide groove is arranged to be narrow at the top and wide at the bottom.

[0011] Further, an arc-shaped guide plate is arranged, the arc-shaped guide plate is sleeved on the circumferential side of the side gluing wheel, has a spacing with the side gluing wheel, and one end of the arc-shaped guide plate is connected with the guide block.

[0012] Further, the upper end surface of the side gluing wheel is provided with a cylindrical boss, the upper end surface of the guide block is connected with a scraping plate, one end of the scraping plate extends to the side surface of the cylindrical boss and is in sliding contact with the cylindrical boss.

[0013] Further, a glue breaking assembly is arranged, the guide block is provided with a guide hole, an axially movable push rod is arranged in the guide hole, and a guillotine is arranged at one end of the push rod; the guillotine is attached with the circumferential wall of the side gluing wheel by the displacement of the push rod to the side gluing wheel, so that the glue is broken.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. By arranging the guide block on the side gluing wheel, the guide groove, the glue gathering groove and the flow discharge groove are designed on the guide block, the glue is actively guided to gather and form pressure, the glue amount of the glue coating ring is more stable, the problem of uneven glue coating caused by high speed of the side gluing wheel under high-speed working conditions is effectively solved, the glue coating on the two sides of the book core is uniform, and the bonding strength and quality of the book binding are improved.

[0016] 2. The side rubber wheel is provided with an extrusion ring, directly clamping the book block, ensuring the accuracy of the gluing position, avoiding the gluing misposition caused by the book block deviation, and further improving the binding quality;

[0017] 3. Through the directional flow guide of the flow discharge groove and the flow discharge hole, the excess glue can be quickly returned to the glue groove, reducing the waste of glue, effectively preventing the blockage problem caused by the accumulation of glue, and ensuring the normal operation of the equipment and the continuity of production. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a whole structure schematic view of the gluing mechanism in an embodiment of the present application;

[0020] Figure 2 It is a structure schematic view of one of the side rubber wheels and the flow guide blocks in an embodiment of the present application;

[0021] Figure 3 It is a structure schematic view of the flow guide blocks and the arc-shaped flow guide plates in an embodiment of the present application;

[0022] In the figure: 1, side rubber wheel; 2, extrusion ring; 3, gluing ring; 4, flow guide block; 41, flow guide groove; 42, glue collecting groove; 43, flow discharge groove; 5, shielding plate; 6, bolt; 7, arc-shaped flow guide plate; 8, cylindrical boss; 9, material scraping plate; 10, glue breaking assembly; 11, push rod; 12, gate knife. DETAILED DESCRIPTION

[0023] The technical scheme of the present application will be described clearly and completely in combination with the drawings in the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0024] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relation shown in the drawings, or is the orientation or position relation commonly placed when the utility model product is used, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0025] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0026] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] In actual production, especially under high-speed working conditions, the side rubber wheel needs to run at a high speed to meet the requirement of production efficiency. However, high speed will cause the uneven distribution of glue on the side rubber wheel, and further cause the instability of glue amount in the gluing process, and the phenomenon of uneven gluing. Uneven gluing will not only affect the bonding strength of the book block, but also cause the decline of bookbinding quality.

[0028] In addition, the traditional gluing mechanism lacks effective glue guiding and gathering mechanism, and the flow of glue on the side rubber wheel is often disordered, which not only increases the waste of glue, but also may cause the accumulation of glue inside the equipment, and further cause blockage and other faults, affecting the normal operation of the equipment and the continuity of production.

[0029] To solve the above technical problems, the embodiment provides a gluing mechanism of a side gluing machine, which is arranged in a glue tank of the side gluing machine and comprises two side gluing wheels 1 arranged in opposite directions, a plurality of extrusion rings 2 arranged on the upper ends of the circumferential sides of the two side gluing wheels 1 and used for extruding and positioning a book block passing through the two side gluing wheels 1, and a plurality of glue applying rings 3 arranged on the lower sides of the two side gluing wheels 1 and used for applying glue to the two sides of the book block. One side of each side gluing wheel 1 is provided with a flow guide block 4, and the side gluing wheel 1 rotates relative to the flow guide block 4. The side close to the side gluing wheel 1 of the flow guide block 4 is provided with a flow guide groove 41, a glue collecting groove 42 and a flow discharge groove 43. The flow guide groove 41 extends from the lower end to the upper end. The flow guide groove 41 is connected with the glue collecting groove 42, and the glue collecting groove 42 is connected with the flow discharge groove 43. The other side of the flow guide block 4 is provided with a flow discharge hole 44 connected with the flow discharge groove 43. The glue collecting groove 42 is attached to the glue applying ring 3, and the flow discharge groove 43 is arranged below the glue applying ring 3.

[0030] The glue tank of the side gluing machine is filled with hot melt glue. When the side gluing wheel 1 rotates, the lower end of the circumferential side of the side gluing wheel 1 carries the hot melt glue to the lower end of the flow guide groove 41 of the flow guide block 4. The hot melt glue is guided from the flow guide groove 41 to the glue collecting groove 42, is collected in the glue collecting groove 42 and forms a certain pressure, so that the glue applying ring 3 is applied with glue. The remaining hot melt glue flows from the glue collecting groove 42 into the flow discharge groove 43 and then flows out from the flow discharge hole 44 and returns to the glue tank of the side gluing machine. When the book block passes through the two side gluing wheels 1 in a vertical posture, the extrusion rings 2 of the two side gluing wheels 1 clamp the book block, and the glue applying ring 3 applies glue to the two sides of the book block.

[0031] The above embodiment actively guides the glue to be collected and forms pressure through the design of the flow guide block 4 and the glue collecting groove 42, so that the amount of glue of the glue applying ring 3 is more stable, thereby effectively solving the problem of uneven glue application caused by high rotation speed of the side gluing wheel under high-speed working conditions.

[0032] The side gluing wheel 1 is provided with the extrusion ring 2, directly clamps the book block and ensures the accuracy of the glue applying position, thereby avoiding the mispositioning of glue application caused by the deviation of the book block.

[0033] The directional flow of the flow discharge groove 43 and the flow discharge hole 44 ensures that the excess glue can quickly return to the glue tank, reduces the waste of glue and effectively prevents the problem of blockage caused by the accumulation of glue.

[0034] In some embodiments, the flow guide block 4 is provided with a shielding plate 5 on one side of the flow discharge hole 44. One corner of the shielding plate 5 is connected with the flow guide block 4 through a bolt 6. The shielding plate 5 changes the size of the shielding flow discharge hole 44 by adjusting the rotation angle.

[0035] The shielding plate 5 can rotate around the bolt 6 as a fulcrum. During actual operation, the operator can adjust the rotation angle of the shielding plate 5 manually or with the aid of a tool according to different production needs, change the shielding degree of the shielding plate 5 to the flow hole 44, accurately control the effective flow area of the flow hole 44, and thus change the flow and pressure of the glue.

[0036] For example, when the glue flow is too large, the shielding of the shielding plate 5 to the flow hole 44 can be appropriately increased to reduce the backflow speed and avoid excessive accumulation of glue in the glue tank. When the glue flow is small, the shielding is reduced to speed up the backflow speed and ensure the dynamic balance of the glue in the glue tank, thereby improving the adaptability of the gluing mechanism to different working conditions.

[0037] The above adjustable design does not need to disassemble and replace the entire flow guide block 4. It only needs to simply adjust the rotation angle of the shielding plate 5, which greatly reduces the operation difficulty and maintenance cost.

[0038] In some embodiments, the side of the flow guide block 4 close to the side glue wheel 1 is an arc surface that matches the side glue wheel 1.

[0039] Through the adaptive design of the arc surface, the retention and disorder of hot melt glue at the contact between the flow guide block 4 and the side glue wheel 1 due to structural mismatch are reduced, ensuring that the hot melt glue can be guided from the flow guide groove 41 to the glue collecting groove 42 according to the predetermined path, and stable glue supply is realized.

[0040] In some embodiments, the flow guide groove 41 is designed to be narrow at the top and wide at the bottom.

[0041] Through the design of the flow guide groove 41 that is narrow at the top and wide at the bottom, the pressure of the hot melt glue entering the glue collecting groove 42 is effectively increased, ensuring that enough and stable amount of glue can be collected in the glue collecting groove 42, and thus the glue wheel 3 can obtain uniform and sufficient glue supply.

[0042] In some embodiments, the gluing mechanism further comprises an arc-shaped flow guide plate 7, which is sleeved on the side of the side glue wheel 1 and has a spacing with the side glue wheel 1, and one end of the arc-shaped flow guide plate 7 is connected with the flow guide block 4.

[0043] The arrangement of the arc-shaped flow guide plate 7 enables the hot melt glue to fully adhere to the side glue wheel 1 before entering the flow guide block 4, increases the adhesion amount of the hot melt glue on the side glue wheel 1, and thus ensures sufficient amount of glue in the subsequent gluing process.

[0044] In some embodiments, the upper end surface of the side glue wheel 1 is provided with a cylindrical boss 8, and the upper end surface of the flow guide block 4 is connected with a scraping plate 9, one end of the scraping plate 9 extends to the side surface of the cylindrical boss 8 and is in sliding contact with the cylindrical boss 8.

[0045] When the glue coating operation is performed on the flow guide block 4, due to the gap between the flow guide block 4 and the side rubber wheel 1, part of the hot melt adhesive will overflow to the upper end surface of the side rubber wheel 1 along the gap. At this time, with the rotation of the side rubber wheel 1, the cylindrical boss 8 will also rotate. Due to the sliding contact between the scraping plate 9 and the side surface of the cylindrical boss 8, during the rotation of the cylindrical boss 8, the scraping plate 9 will scrape the hot melt adhesive on the side surface of the cylindrical boss 8 and the region of the upper end surface of the side rubber wheel 1 close to the cylindrical boss 8, so as to scrape the excess hot melt adhesive overflowing to the upper end surface of the side rubber wheel 1, avoid the invalid accumulation of the hot melt adhesive on the upper end surface of the side rubber wheel 1, and improve the utilization rate of the hot melt adhesive.

[0046] In some embodiments, the glue coating mechanism further comprises a glue breaking assembly 10, the flow guide block 4 is provided with a guide hole, an axially movable push rod 11 is arranged in the guide hole, and a guillotine 12 is arranged at one end of the push rod 11; the guillotine 12 is attached to the peripheral wall of the side rubber wheel 1 by the displacement of the push rod 11 towards the side rubber wheel 1, so as to achieve glue breaking.

[0047] In the normal glue coating working state, the guillotine 12 is kept at a distance from the peripheral wall of the side rubber wheel 1, and the hot melt adhesive can be smoothly brought up from the side rubber wheel 1 and the glue coating process is completed. When glue breaking is needed, the push rod 11 is displaced in the guide hole towards the side rubber wheel 1 by an external driving device. With the movement of the push rod 11, the guillotine 12 at the end thereof gradually approaches the peripheral wall of the side rubber wheel 1 until the guillotine 12 is tightly attached to the peripheral wall of the side rubber wheel 1. At this time, the guillotine 12 will block the flow path of the hot melt adhesive on the peripheral wall of the side rubber wheel 1, so that the hot melt adhesive cannot be smoothly attached to the side rubber wheel 1 with the rotation of the side rubber wheel 1, and precise and rapid glue breaking control is achieved.

[0048] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An upper glue mechanism of a side glue machine, which is provided in a glue tank of the side glue machine, characterized in that, It includes two opposite interval setting side rubber wheel (1), two side rubber wheel (1) on the side of the upper end is equipped with a ring extrusion (2), for the middle through the book core both sides extrusion positioning, two side rubber wheel (1) below the side of the extrusion ring (2) is equipped with a glue ring (3), for the book core both sides glue; Each side rubber wheel (1) is equipped with a guide block (4) on one side, and the side rubber wheel (1) rotates relative to the guide block (4); The side of the guide block (4) close to the side rubber wheel (1) is equipped with a guide groove (41), a glue accumulation groove (42) and a flow groove (43), the guide groove (41) is arranged from bottom to top, the guide groove (41) is connected with the glue accumulation groove (42), the glue accumulation groove (42) is connected with the flow groove (43), the other side of the guide block (4) is equipped with a flow hole (44) connected with the flow groove (43); The glue accumulation groove (42) corresponds to the glue ring (3), and the flow groove (43) is below the glue ring (3).

2. The gluing mechanism of the side gluing machine according to claim 1, characterized in that, The guide block (4) is equipped with a shielding plate (5) on one side of the flow hole (44), one corner of the shielding plate (5) is connected with the guide block (4) through a bolt (6), and the shielding plate (5) changes the size of the shielding flow hole (44) by adjusting the rotation angle.

3. The gluing mechanism of the side gluing machine according to claim 1, characterized in that, The side of the guide block (4) close to the side rubber wheel (1) is an arc surface matched with the side rubber wheel (1).

4. The gluing mechanism of the side gluing machine according to claim 1, characterized in that, The guide groove (41) is arranged from top to bottom.

5. The gluing mechanism of the side gluing machine according to claim 1, characterized in that, It includes an arc-shaped guide plate (7), the arc-shaped guide plate (7) is sleeved on the side of the side rubber wheel (1), and the arc-shaped guide plate (7) is spaced apart from the side rubber wheel (1), one end of the arc-shaped guide plate (7) is connected with the guide block (4).

6. The gluing mechanism of the side gluing machine according to claim 1, characterized in that The upper end surface of the side rubber wheel (1) is equipped with a cylindrical boss (8), the upper end surface of the guide block (4) is connected with a scraping plate (9), one end of the scraping plate (9) extends to the side surface of the cylindrical boss (8) and is in sliding contact with the cylindrical boss (8).

7. The gluing mechanism of the side gluing machine according to claim 1, characterized in that, It includes a glue breaking assembly (10), the guide block (4) is equipped with a guide hole, the guide hole is equipped with an axially movable push rod (11), one end of the push rod (11) is equipped with a gate knife (12); The gate knife (12) is matched with the side wall of the side rubber wheel (1) by the displacement of the push rod (11) to the side rubber wheel (1), so as to realize glue breaking.

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