A continuous paperboard gluing device

Abstract

The utility model discloses a paperboard continuous gluing device, it includes just right subassembly: just right subassembly includes and has conveying table, conveyer belt, a group of guide pulley group and a group of brush, and the intercalation of conveying table lateral wall has a plurality of roll, and the conveyer belt sleeve joint is in the roll outer wall, and the guide pulley group and brush set up in conveying table lateral wall, and the outside of conveying table is provided with support, and the support center is clamped and has the gluing subassembly, and the gluing subassembly includes and has the glue gun, and the top of gluing subassembly is provided with the glue storage subassembly, and the glue storage subassembly includes and has the glue storage barrel, and the circumference outer wall of glue storage barrel is provided with pilot lamp and buzzer, and the inner chamber of glue storage barrel is provided with the float ball, and the bottom of float ball is provided with the float rod, and the bottom of float rod is provided with pressure sensor, and pressure sensor is connected with PLC through electric wire, and PLC is connected in pilot lamp and buzzer through electric wire. This kind of paperboard continuous gluing device can just right paperboard to carry out so that subsequent accurate and evenly glue, second, can prompt worker glue storage to be insufficient so as to supplement in time.

Description

Technical Field

[0001] This utility model belongs to the field of paperboard production, specifically a paperboard continuous coating device. Background Technology

[0002] Corrugated cardboard is a multi-layered adhesive material, consisting of at least one layer of corrugated core paper and one layer of cardboard. It possesses high mechanical strength and can withstand impacts and drops during handling. During production, adhesive is applied to the cardboard sheets, which are then bonded together to create packaging boxes.

[0003] Existing patent document CN218460040U discloses a continuous cardboard coating device, comprising: a glue frame, a through hole at the bottom of the glue frame, a wiping pad located below the through hole at the bottom of the glue frame, a connecting rod fixedly connected to the top of the glue frame, a handle fixedly connected to the top of the connecting rod, and a sealing device located above the glue frame, extending into the interior of the glue frame and corresponding to the through hole at the bottom of the glue frame. This utility model relates to the field of cardboard production technology. This continuous cardboard coating device integrates the glue frame, wiping pad, connecting rod, and handle into a single unit. The glue frame stores glue, and the wiping pad is replenished with glue through the through hole. The operator can apply glue to the cardboard by holding the handle. The sealing device facilitates control of glue replenishment, eliminating the need for frequent glue replenishment and improving coating efficiency to meet usage requirements.

[0004] Although the device has many beneficial effects, it still has the following problems: it requires manual straightening of the cardboard, which is not conducive to even glue application; secondly, it is inconvenient to replenish glue and it is not possible to detect when the glue supply is insufficient in time. Utility Model Content

[0005] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0006] 1. Technical problems to be solved:

[0007] To address the problems mentioned above, such as the need for manual alignment of the cardboard and the difficulty in determining the amount of glue remaining, this utility model is proposed.

[0008] Therefore, the purpose of this utility model is to provide a continuous gluing device for cardboard, which can automatically straighten the cardboard and provide timely prompts when the glue supply is insufficient.

[0009] 2. Technical Solution:

[0010] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0011] A continuous cardboard coating apparatus includes an alignment component:

[0012] The alignment assembly includes a conveyor table, a conveyor belt, a set of guide rollers, and a set of brushes. Multiple rollers are inserted between the side walls of the conveyor table. The conveyor belt is sleeved on the outer wall of the rollers. The guide rollers and the brushes are disposed on the side walls of the conveyor table. A bracket is disposed on the outer side of the conveyor table. An adhesive applicator is snapped into the center of the bracket.

[0013] The glue application assembly includes a glue application gun, a plurality of sliders are provided on the outer circumference of the glue application gun, a set of flow limiting plates are provided in the inner cavity of the glue application gun, a lifting rod is inserted into the bottom of the set of flow limiting plates, a sealing plug is provided at the bottom of the lifting rod, a sealing ring is sleeved on the outer circumference of the sealing plug, and a glue storage assembly is provided at the top of the glue application assembly.

[0014] The glue storage assembly includes a glue storage tank. An indicator light and a buzzer are provided on the outer circumference of the glue storage tank. A float is provided in the inner cavity of the glue storage tank. A float rod is provided at the bottom of the float. A pressure sensor is provided at the bottom of the float rod. The pressure sensor is connected to a PLC via a wire. The PLC is connected to the indicator light and the buzzer via a wire.

[0015] In a preferred embodiment of the continuous cardboard coating device of this utility model, the bottom of the conveyor table is provided with multiple support legs, the side wall of the conveyor table is inserted with a fixed shaft, a set of motors are provided on the left and right sides of the conveyor table, the two ends of the conveyor belt are connected to the output end of the motors through roller shaft transmission, and corrugated cardboard is provided on the top of the conveyor belt.

[0016] In a preferred embodiment of the continuous cardboard coating device of this utility model, the support includes multiple support legs, and a set of sliding rods is inserted between the support legs on the left and right sides. A slider one is sleeved on the outer circumference of the upper sliding rod, and a slider two is sleeved on the outer circumference of the lower sliding rod.

[0017] In a preferred embodiment of the continuous cardboard coating device of this utility model, a set of connecting rods is inserted between a set of slider one and a set of slider two, and slider three is sleeved on the outer circumference of the connecting rod.

[0018] In a preferred embodiment of the continuous cardboard coating device of this utility model, the inner cavity of the coating gun further includes a sealing box, which is snapped between a set of flow limiting plates. A handle is provided on the outer circumference of the coating gun, and a plate buckle is hinged to the inner wall of the handle. A push rod is inserted into the left side of the handle, and the right end of the push rod is hinged to the top of the plate buckle. The left end of the push rod passes through the coating gun and is finally inserted into the inner wall of the sealing box. A spring is provided on the left side of the push rod, and the left end of the spring is connected to the inner wall of the sealing box.

[0019] In a preferred embodiment of the continuous cardboard coating device of this utility model, a fixed pulley is provided between the push rod and the lifting rod. The fixed pulley is hinged to the inner wall of the sealing box. A pull rope is provided on the outer circumference of the fixed pulley. The top end of the pull rope is connected to the left end of the push rod, and the bottom end of the pull rope is connected to the top end of the lifting rod. A second spring is provided between the flow limiting plate and the sealing plug. The second spring is sleeved on the outer circumference of the lifting rod.

[0020] In a preferred embodiment of the continuous cardboard coating device of this utility model, a telescopic tube is inserted between the glue storage tank and the coating gun, the pressure sensor is snapped into the bottom of the inner wall of the glue storage tank, and the float is inserted into the inner wall of the pressure sensor.

[0021] 3. Beneficial effects:

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] This type of continuous cardboard coating device uses guide rollers to adjust misaligned cardboard step by step, thus correcting the orientation of the cardboard. Then, soft brushes are used to make fine adjustments to the cardboard, so that all the cardboard that has been aligned can be placed in the same position, so that the subsequent coating can be applied accurately and evenly.

[0024] This type of continuous glue coating device for cardboard uses a float in the inner cavity of the glue storage tank to determine the glue level. When the glue level is above the top of the float, the float will rise and lift the float rod. When the glue level is below the position of the float, the float and the float rod will sink and touch the pressure sensor, thereby activating the indicator light and buzzer to remind the worker to replenish the glue. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0026] Figure 1 This is a schematic diagram of the overall structure of a continuous cardboard coating device according to the present invention;

[0027] Figure 2 This is a cross-sectional view of the alignment component of a continuous cardboard coating device according to this utility model;

[0028] Figure 3 This is a cross-sectional view of the coating component of a continuous cardboard coating device according to this utility model;

[0029] Figure 4 This is a cross-sectional view of the glue storage component of a continuous glue coating device for cardboard according to this utility model;

[0030] Figure 5 This utility model relates to a continuous cardboard coating device. Figure 3 Enlarged diagram of section A in the middle;

[0031] Figure 6 This utility model relates to a continuous cardboard coating device. Figure 4 Enlarged schematic diagram of section B in the middle;

[0032] The following are the labeling instructions in the diagram: 100, conveyor table; 110, conveyor belt; 120, guide wheel assembly; 130, brush; 140, bracket; 150, slider one; 160, slider two; 170, slider three; 180, corrugated cardboard; 190, fixed shaft; 200, glue gun; 210, handle; 220, plate buckle; 230, push rod; 240, fixed pulley; 250, pull rope; 260, lifting rod; 270, sealing plug; 280, sealing ring; 290, flow limiting plate; 300, glue storage tank; 310, indicator light; 320, buzzer; 330, telescopic tube; 340, float; 350, float rod; 360, pressure sensor. Detailed Implementation

[0033] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0034] This utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not be construed as limiting the scope of protection of this utility model. In actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0035] The orientation or positional relationship indicated in the terminology is based on the orientation or positional relationship shown in the accompanying drawings and is only for the convenience of describing the present invention and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0036] The term "connection method" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0037] The embodiments of this utility model will now be described in further detail with reference to the accompanying drawings.

[0038] This utility model provides an overall structural schematic diagram of an embodiment of a continuous cardboard coating device, including:

[0039] Please see Figures 1-6 This embodiment of a paperboard continuous coating apparatus includes an alignment component:

[0040] The straightening assembly includes a conveyor table 100, a conveyor belt 110, a set of guide rollers 120, and a set of brushes 130. The guide rollers 120 consists of three guide rollers, which increase in size from left to right. This is to ensure that the corrugated cardboard touches the three guide rollers sequentially during transport and is guided to the center of the conveyor belt 110. The guide rollers 120 guide the cardboard multiple times to achieve a step-by-step straightening effect. The bristles on the brushes 130 are soft near the edges and hard near the roots, thus confining the corrugated cardboard 180 within the same area. Multiple rollers are inserted between the side walls of the conveyor table 100. The conveyor belt 110 is sleeved on the outer wall of the rollers. The guide rollers 120 are hinged to the side walls of the conveyor table 100. The brushes 130 are snapped onto the side walls of the conveyor table. A bracket 140 is provided on the outside of the conveyor table 100, and an adhesive applicator is snapped into the center of the bracket 140.

[0041] The glue application assembly includes a glue application gun 200. Four sliders 170 are welded to the outer circumference of the glue application gun 200. A set of flow limiting plates 290 are integrally connected to the inner cavity of the glue application gun 200. The top surface of the flow limiting plates 290 has a small number of through holes to allow the glue to pass through slowly and evenly, so as to prevent excessive hydraulic pressure from being applied to the nozzle at the bottom of the glue application gun 200, which would prevent the sealing plug 270 from opening. A lifting rod 260 is inserted into the center of the bottom of the set of flow limiting plates 290. The bottom of the lifting rod 260 is integrally connected to the sealing plug 270. A sealing ring 280 is sleeved on the outer circumference of the sealing plug 270. The sealing plug 270 matches the shape of the inner wall of the conical nozzle of the glue application gun 200. The sealing ring 280 prevents the glue from flowing down by tightly fitting with the inner wall of the nozzle. A glue storage assembly is provided at the top of the glue application assembly.

[0042] The glue storage assembly includes a glue storage tank 300. An indicator light 310 and a buzzer 320 are snapped onto the outer circumference of the glue storage tank 300. A float 340 is installed inside the glue storage tank 300. A float rod 350 is integrally connected to the bottom of the float 340. The bottom end of the float rod 350 is inserted into the inner wall of a pressure sensor 360. The pressure sensor 360 is connected to a PLC via wires. The PLC is connected to the indicator light 310 and the buzzer 320 via wires. The float 340 is hollow and will continuously float in the glue, thereby raising the float rod 350. When the glue volume is insufficient, the float 340 will sink with the glue surface, thereby causing the float rod 350 to contact the sensing end of the pressure sensor 360. Then, the pressure sensor 360 will send a signal to the PLC, which will turn on the indicator light 310 and the buzzer 320. When the worker sees the indicator light 310 light up or hears the buzzer 320 sound, he knows that the glue volume is insufficient.

[0043] It is worth noting that, in order to enable the guide wheel assembly 120 and the brush 130 to be installed on the side wall of the conveyor table 100, specifically, four support legs are welded to the bottom of the conveyor table 100, a fixed shaft 190 is inserted into the side wall of the conveyor table 100, a strip-shaped perforation is opened in the side wall of the conveyor table 100, the fixed shaft 190 is inserted into the inner wall of the strip-shaped perforation, the guide wheel assembly 120 is hinged to the inner wall of the strip-shaped perforation through one fixed shaft 190, and the brush 130 is snapped into the inner wall of the strip-shaped perforation through two fixed shafts 190. A set of motors is set on the left and right sides of the conveyor table 100, and the two ends of the conveyor belt 110 are connected to the output end of the motor through roller shaft transmission. The top of the conveyor belt 110 is driven by friction with the corrugated cardboard 180.

[0044] Next, in order to enable the bracket 140 to move back and forth with the slider, the bracket 140 specifically includes four support legs, and a set of slide rods is inserted between the support legs on the left and right sides. A slider 150 is sleeved on the outer circumference of the upper slide rod, and a slider 2 160 is sleeved on the outer circumference of the lower slide rod. This is so that slider 150 and slider 2 160 can drive the glue application component to slide back and forth along the slide rods.

[0045] Meanwhile, in order to enable the glue coating assembly to move left and right with the slider, specifically, a set of connecting rods is inserted between a set of slider 150 and a set of slider 2160, and slider 3170 is sleeved on the outer wall of the connecting rod. This allows slider 3170 to drive the glue coating assembly to move left and right along the connecting rod. Through the cooperation between slider 150, slider 2160 and slider 3170, the glue coating assembly can move in a straight line within a rectangular range to uniformly coat the cardboard with glue.

[0046] Furthermore, to enable external control of glue dispensing from the glue gun 200, the inner cavity of the glue gun 200 also includes a sealing box. The sealing box is snapped between a set of flow-limiting plates 290. The sealing box needs to ensure that the operation of the internal structure is not affected by external glue, so the interface needs to be treated to prevent leakage. A handle 210 is welded to the outer circumference of the glue gun 200. A plate buckle 220 is hinged to the inner wall of the handle 210. A push rod 230 is inserted into the left side of the handle 210. The right end of the push rod 230 is hinged to the top of the plate buckle 220. The left end of the push rod 230 passes through the glue gun 200 and is finally inserted into the inner wall of the sealing box. A spring is welded to the left side of the push rod 230. The left end of the spring is welded and fixed to the inner wall of the sealing box. When the plate buckle 220 is pulled, it will drive the push rod 230 to slide to the left. The spring will return the push rod 230 to its original position due to its own elasticity.

[0047] It is worth noting that, in order for the push rod 230 to drive the lifting rod 260, a fixed pulley 240 is specifically provided between the push rod 230 and the lifting rod 260. The fixed pulley 240 is hinged to the inner wall of the sealing box. A pull rope 250 is wound around the outer circumference of the fixed pulley 240. The top end of the pull rope 250 is connected and fixed to the left end of the push rod 230, and the bottom end of the pull rope 250 is connected and fixed to the top end of the lifting rod 260. A second spring is engaged between the flow limiting plate 290 and the sealing plug 270. The second spring is sleeved on the outer circumference of the lifting rod 260. When the push rod 230 slides to the left, it will drive the pull rope 250 to move together. Due to the action of the fixed pulley 240, the lower half of the pull rope 250 moves upward, thereby driving the lifting rod 260 to move upward together. In this way, the lifting rod 260 lifts the bottom sealing plug 270, so that the glue can flow out. The second spring will push the sealing plug 270 back to its original position due to its own elasticity.

[0048] Finally, to allow the glue in the storage tank 300 to flow into the glue gun 200, a telescopic tube 330 is inserted between the storage tank 300 and the glue gun 200. The telescopic tube 330 has a large degree of extensibility, so that when the glue gun 200 moves in all directions, it will not affect the glue delivery from the storage tank 300 to the glue gun 200. The pressure sensor 360 is snapped into the bottom of the inner wall of the storage tank 300, and the float 350 is inserted into the inner wall of the pressure sensor 360. When there is enough glue in the storage tank 300, the float ball 340 will drive the float 350 to move upward. The bottom end of the float 350 will be stuck by the inner wall of the pressure sensor 360, so that the float ball 340 and the float 350 cannot continue to rise. The storage tank 300 needs to have strong sealing to prevent outside air from contacting the glue inside, which would cause the glue to stick or deteriorate, thus affecting the operation of the pressure sensor 360 and the sealing plug 270.

[0049] In some embodiments, in order to allow for the straightening of larger and thicker corrugated cardboard 180, the number and height of the guide rollers in the guide roller assembly 120 can be increased to accommodate larger and thicker corrugated cardboard 180.

[0050] Combination Figures 1-6 The specific usage process of the continuous cardboard coating device of this embodiment is as follows:

[0051] 1: First, start the transmission structure to make the conveyor belt 110 start operating. The corrugated cardboard 180 will move together with the conveyor belt 110. When the irregularly placed cardboard hits the guide wheel group 120, it will gradually return to the correct position under the guidance of the guide wheel. Finally, the brush 130 will be used for fine adjustment so that all the corrugated cardboard 180 can be in the same position.

[0052] 2: When starting to apply glue, simply align the glued area on the corrugated cardboard 180 with the area to be glued, and pull the latch 220 to allow the glue to flow from the nozzle of the glue gun 200. Hold the handle 210 of the glue gun 200 firmly, and push it back and forth to move slider 1 150 and slider 2 160 back and forth, and push it left and right to move slider 3 left and right. Since the friction between the slider and the sliding rod and the connecting rod is very small, the glue gun 200 can be moved with relatively little effort. Making the glue gun 200 move in a straight line helps to apply the glue evenly.

[0053] 3: When the glue level in the glue storage tank 300 is insufficient, the float ball 340 will drive the float rod 350 to sink along with the glue level, eventually causing the bottom of the float rod 350 to contact the sensing end of the pressure sensor 360. When the pressure sensor 360 is triggered, it will transmit information to the PLC to turn on the indicator light 310 and the buzzer 320. After receiving the prompt, the worker can replenish the glue in the glue storage tank 300.

[0054] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A continuous cardboard coating apparatus, characterized in that, Including the alignment components: The alignment assembly includes a conveyor table (100), a conveyor belt (110), a set of guide rollers (120), and a set of brushes (130). Multiple rollers are inserted between the side walls of the conveyor table (100). The conveyor belt (110) is sleeved on the outer wall of the rollers. The guide rollers (120) and the brushes (130) are disposed on the side wall of the conveyor table (100). A bracket (140) is disposed on the outer side of the conveyor table (100). An adhesive applicator is snapped into the center of the bracket (140). The glue application assembly includes a glue application gun (200), the glue application gun (200) has multiple sliders (170) on its outer circumference, the glue application gun (200) has a set of flow limiting plates (290) in its inner cavity, a lifting rod (260) is inserted into the bottom of the set of flow limiting plates (290), a sealing plug (270) is provided at the bottom of the lifting rod (260), a sealing ring (280) is sleeved on the outer circumference of the sealing plug (270), and a glue storage assembly is provided at the top of the glue application assembly. The glue storage assembly includes a glue storage tank (300), an indicator light (310) and a buzzer (320) are provided on the outer circumference of the glue storage tank (300), a float (340) is provided in the inner cavity of the glue storage tank (300), a float rod (350) is provided at the bottom of the float (340), a pressure sensor (360) is provided at the bottom of the float rod (350), the pressure sensor (360) is connected to a PLC through a wire, and the PLC is connected to the indicator light (310) and the buzzer (320) through a wire.

2. The continuous cardboard coating apparatus according to claim 1, characterized in that, The bottom of the conveyor table (100) is provided with multiple support legs, and a fixed shaft (190) is inserted into the side wall of the conveyor table (100). A set of motors is provided on the left and right sides of the conveyor table (100). The two ends of the conveyor belt (110) are connected to the output end of the motor through roller shaft transmission. Corrugated cardboard (180) is provided on the top of the conveyor belt (110).

3. The continuous cardboard coating apparatus according to claim 2, characterized in that, The bracket (140) includes multiple support legs, and a set of sliding rods is inserted between the support legs on the left and right sides. A slider one (150) is sleeved on the outer circumference of the upper sliding rod, and a slider two (160) is sleeved on the outer circumference of the lower sliding rod.

4. The continuous cardboard coating apparatus according to claim 3, characterized in that, A set of connecting rods is inserted between each of the first set of sliders (150) and the second set of sliders (160), and the third set of sliders (170) is sleeved on the outer circumference of the connecting rod.

5. The continuous cardboard coating apparatus according to claim 4, characterized in that, The inner cavity of the glue gun (200) also includes a sealing box, which is snapped between a set of flow limiting plates (290). The outer circumference of the glue gun (200) is provided with a handle (210), and the inner wall of the handle (210) is hinged with a plate buckle (220). A push rod (230) is inserted into the left side of the handle (210), and the right end of the push rod (230) is hinged to the top of the plate buckle (220). The left end of the push rod (230) passes through the glue gun (200) and is finally inserted into the inner wall of the sealing box. A spring is provided on the left side of the push rod (230), and the left end of the spring is connected to the inner wall of the sealing box.

6. The continuous cardboard coating apparatus according to claim 5, characterized in that, A fixed pulley (240) is provided between the push rod (230) and the lifting rod (260). The fixed pulley (240) is hinged to the inner wall of the sealing box. A pull rope (250) is provided on the outer circumference of the fixed pulley (240). The top end of the pull rope (250) is connected to the left end of the push rod (230), and the bottom end of the pull rope (250) is connected to the top end of the lifting rod (260). A second spring is provided between the flow limiting plate (290) and the sealing plug (270). The second spring is sleeved on the outer circumference of the lifting rod (260).

7. The continuous cardboard coating apparatus according to claim 6, characterized in that, A telescopic tube (330) is inserted between the glue storage tank (300) and the glue application gun (200). The pressure sensor (360) is snapped into the bottom of the inner wall of the glue storage tank (300), and the float (350) is inserted into the inner wall of the pressure sensor (360).

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