Conveying equipment capable of stabilizing glue feeding amount

Through the dual container design, the siphon self-balancing and mechanical pressure compensation, the pressure attenuation and flow fluctuation caused by the liquid level drop of the glue equipment is solved, and the stable transportation of glue liquid is achieved and product quality is improved.

CN120551019APending Publication Date: 2025-08-29BEIXIN BUILDING MATERIALS (TIANJIN) CO LTD
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Patent Information

Application Number
CN202510792634.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-13
Publication Date
2025-08-29

AI Technical Summary

Technical Problem

The pump pressure attenuates due to the drop in the liquid level of the prior art, which is prone to rubber breakage and flow fluctuations, affecting product quality.

Method used

The dual container design adopts the coupling of siphon self-balancing and mechanical pressure compensation, and the glue amount is stabilized by using the siphon channel and pressure compensation mechanism, including corrugated airbags and floating pistons, and combined with the siphon channel and the pressure stabilization secondary tank, the continuous and stable transport of glue liquid is achieved.

Benefits of technology

It effectively solves the potential energy attenuation problem caused by traditional gravity glue, reduces glue breakage and hose blockage, ensures continuous and stable transportation of glue liquid, and improves product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of glue discharging equipment, and discloses a stable glue discharging amount conveying device which comprises a main storage tank, a storage tank inner cavity used for storing white latex, and the height distance of the main storage tank can be adjusted; the auxiliary pressure stabilizing tank is provided with a pressure cavity used for temporarily storing white latex, the auxiliary pressure stabilizing tank is connected with the main storage tank through a siphon channel, a pressure compensation mechanism is arranged in the auxiliary pressure stabilizing tank, and a pressure channel allowing the white latex to circulate is formed between an inner cavity of the storage tank and the pressure cavity. The conveying equipment capable of stably discharging glue is formed in a double-container mode, through the coupling design of siphon self-balancing and mechanical pressure compensation between the double containers, the problem that potential energy is attenuated in traditional gravity glue discharging is solved, the situation that glue is broken and no glue exists is not likely to happen, and the service life of the conveying equipment is prolonged. And flow fluctuation caused by low liquid level or in the liquid supplementing process is balanced, continuous and stable conveying of the glue liquid is facilitated, and the situation that conveying is affected by blockage of the glue pipe is reduced.
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Description

Technical Field

[0001] The present invention relates to the technical field of glue dispensing equipment, and in particular to a conveying equipment for stably dispensing glue. Background Art

[0002] The production process for paper-faced gypsum board primarily includes batching, forming, drying, and trimming and stacking. During production, the gypsum board core material is injected onto the lower facing paper, and the upper facing paper is bonded to the lower facing paper with adhesive. However, at the edge of the board, where the upper and lower facing papers overlap, this area typically requires a coating of white latex. Failure to adhere properly, or poorly, can result in ruffled edges, severely impacting the board's appearance.

[0003] Existing white glue usually uses glue tanks, valves, and glue nozzles to apply glue. White glue is transported from the glue tank to the glue nozzle. In traditional equipment, white glue is mostly transported by gravity. The liquid level in the storage tank gradually decreases with consumption, resulting in a decrease in potential energy and a decrease in outlet pressure.

[0004] When the liquid level is lower than the critical height, the inlet pressure of the downstream screw pump is insufficient, which can easily lead to glue breakage and glue shortage, resulting in glue shortage at the edge of the plate and increased product rejection rate. Manual glue replenishment causes sudden changes in the liquid level and flow fluctuations. Although the liquid replenishment pump can be linked by adding a liquid level sensor, it is difficult to solve the problem of potential energy attenuation. At a lower flow rate, the glue is easily solidified locally, which can lead to blockage of the hose. Summary of the Invention

[0005] The purpose of the present invention is to provide a conveying device with a stable glue delivery amount to solve the technical problem in the prior art that the glue delivery equipment is affected by the drop in liquid level, resulting in a decrease in pump pressure, which is prone to glue breakage and affects product quality.

[0006] In order to solve the above technical problems, the present invention specifically provides the following technical solutions:

[0007] A conveying device for stabilizing glue delivery, comprising a main storage tank having an inner cavity for storing white latex, wherein the main storage tank can be adjusted in height and distance;

[0008] A pressure-stabilizing auxiliary tank has a pressure chamber for temporarily storing white latex. The pressure-stabilizing auxiliary tank is connected to the main storage tank through a siphon channel. A pressure compensation mechanism is provided inside the pressure-stabilizing auxiliary tank, and a pressure channel for the circulation of white latex is formed between the inner cavity of the storage tank and the pressure chamber.

[0009] A pressure compensation mechanism is provided with a corrugated airbag and a floating piston at both ends of the pressure-stabilizing auxiliary tank. The corrugated airbag is scalable to adjust the liquid level in the pressure chamber, and the floating piston is movably connected to the siphon channel to transport white latex.

[0010] As a preferred solution of the present invention, the height distance of the pressure stabilizing auxiliary tank is significantly greater than its radial distance, and its radial distance is significantly smaller than the radial distance of the main storage tank;

[0011] Wherein, a rigid connector for fixing the siphon channel is provided at the bottom of the pressure-stabilizing auxiliary tank.

[0012] As a preferred solution of the present invention, the siphon channel has a U-shaped structure, a universal rotating flange at one end of the siphon channel is connected to the main storage tank, and an inner tube with a port extending to the lower limit of the liquid level of the main storage tank is provided in the universal rotating flange;

[0013] The other end of the siphon channel is provided with a bellows compensator, one end of which is connected to the flange of the pressure-stabilizing auxiliary tank through a lower bend pipe, and the other end of the siphon channel extends to the lower limit of the liquid level of the pressure-stabilizing auxiliary tank through the port of the lower bend pipe to ensure that a U-shaped liquid seal is maintained when the liquid level fluctuates;

[0014] Wherein, an ultrasonic vibrator is provided at the bottom of the siphon channel, and the ultrasonic vibrator periodically breaks up the flocculation of the glue in a high-frequency and low-amplitude mode.

[0015] As a preferred solution of the present invention, the corrugated airbag is located at the upper end of the pressure chamber, the floating piston is located below the corrugated airbag, one end of the floating piston is connected to a counterweight connecting rod through a piston pin, and the pressure-stabilizing auxiliary tank is pressed into white latex through the floating piston, so that the corrugated airbag is compressed to store energy.

[0016] As a preferred solution of the present invention, a disturbance mechanism is provided at the bottom of the main storage tank, and one end of the disturbance mechanism extends into the interior of the rubber delivery pipeline;

[0017] The disturbance mechanism includes a rotating motor, a shaft, a disturbance plate, an extension rod and a disturbance plate. The rotating motor is installed on the top of the main storage tank. The output end of the rotating motor is connected to the shaft through a coupling. One end of the shaft is passed through the interior of the main storage tank, and a disturbance plate is provided at the bottom of the shaft. The disturbance plate rotates to disturb and mix the white latex at the bottom of the main storage tank. A pipe groove is provided on the disturbance plate.

[0018] The bottom end of the shaft extends into the rubber delivery pipeline through the extension rod, and a disturbance plate is provided on the outer wall of the extension rod. The disturbance plate rotates to disturb the white latex temporarily stored in the rubber delivery pipeline to slow down the sedimentation.

[0019] As a preferred solution of the present invention, the output end of the glue delivery pipeline is connected to a glue outlet pipe through a pneumatic hose valve flange, and a spiral guide plate is provided on the inner wall of the glue outlet pipe. The pitch of the spiral guide plate is greater than the diameter of the glue outlet pipe, which is used to guide the output of white latex.

[0020] As a preferred solution of the present invention, a quick-release inspection port is provided on the side wall of the pressure-stabilizing auxiliary tank, a positioning groove is provided on the inner wall of the pressure-stabilizing auxiliary tank near the quick-release inspection port, and a positioning rod matching the positioning groove is provided on the corrugated airbag, and the positioning rod slides vertically downward and separates from the positioning groove to form a pull-out disassembly structure;

[0021] Wherein, an anti-wear pad is provided on a side of the positioning rod close to the corrugated airbag.

[0022] As a preferred solution of the present invention, the main storage tank is provided with a liquid level detection unit for detecting the liquid level of the main storage tank, and the main storage tank is provided with a glue filling execution unit for controlling glue filling when the liquid level is lower than a preset safety threshold, and the start and stop of the glue filling execution unit are linked to the lifting of the electric lifting platform;

[0023] Wherein, the glue replenishing execution unit includes a glue replenishing tube fixedly arranged on the main storage tank, and a solenoid valve is arranged at the output end of the glue replenishing tube.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] The present invention adopts a double-container form to form a conveying device capable of stably delivering glue. Through the coupling design of siphon self-balancing and mechanical pressure compensation between the double containers, the problem of potential energy attenuation caused by traditional gravity glue delivery is solved. The glue is not easily broken or there is no glue. It is beneficial to balance the flow fluctuations caused by low liquid level or rehydration process, and is more conducive to continuous and stable delivery of glue liquid, reducing the situation where hose blockage affects delivery. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other implementation drawings based on the provided drawings without inventive effort.

[0027] Figure 1 Provides a schematic diagram of the overall glue injection process structure for the embodiment of the present invention;

[0028] Figure 2 Provides a schematic diagram of the overall front cross-sectional structure of an embodiment of the present invention;

[0029] Figure 3 Provides a schematic diagram of the overall glue dispensing process structure for an embodiment of the present invention;

[0030] Figure 4 Provides a schematic diagram of the overall glue filling and energy storage structure for an embodiment of the present invention;

[0031] Figure 5 A schematic diagram of the front cross-section structure of a main storage tank is provided for an embodiment of the present invention;

[0032] Figure 6 A schematic diagram of the front cross-section structure of a pressure-stabilizing auxiliary tank is provided for an embodiment of the present invention;

[0033] Figure 7 A schematic side cross-sectional view of a pressure-stabilizing auxiliary tank is provided for an embodiment of the present invention.

[0034] The numbers in the figure represent the following:

[0035] 10-main storage tank; 20-pressure stabilizing auxiliary tank; 30-siphon channel; 40-pressure compensation mechanism; 50-pressure channel; 60-disturbance mechanism;

[0036] 11-tank cavity; 12-electric lifting platform; 13-rubber delivery pipeline; 14-pneumatic hose valve; 15-rubber outlet pipe; 16-spiral guide vane; 17-liquid level detection unit; 18-rubber filling execution unit; 181-rubber filling hose; 182-solenoid valve;

[0037] 21-pressure chamber; 22-quick-release inspection port; 23-positioning slot; 201-rigid connector;

[0038] 31-universal rotating flange; 32-inner tube; 33-bellows compensator; 34-lower bend tube; 35-ultrasonic vibrator;

[0039] 41- bellows airbag; 42- floating piston; 43- counterweight connecting rod; 44- positioning rod; 45- anti-wear pad;

[0040] 61 - rotating motor; 62 - shaft; 63 - disturbance plate; 64 - extension rod; 65 - disturbance plate. DETAILED DESCRIPTION

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0042] like Figure 1As shown, the present invention provides a conveying device for stabilizing the amount of glue, comprising a main storage tank 10 having a storage tank inner cavity 11 for storing white latex, and the main storage tank 10 can be adjusted in height;

[0043] The pressure-stabilizing auxiliary tank 20 has a pressure chamber 21 for temporarily storing white latex. The pressure-stabilizing auxiliary tank 20 is connected to the main storage tank 10 through a siphon channel 30. A pressure compensation mechanism 40 is provided inside the pressure-stabilizing auxiliary tank 20, and a pressure channel 50 for the circulation of white latex is formed between the storage tank inner cavity 11 and the pressure chamber 21;

[0044] The pressure compensation mechanism 40 is provided with a corrugated airbag 41 and a floating piston 42 at both ends of the pressure-stabilizing auxiliary tank 20 respectively. The corrugated airbag 41 is scaled to adjust the liquid level in the pressure chamber 21, and the floating piston 42 is movably connected to the siphon channel 30 to transport the white latex.

[0045] The present invention adopts a double-container form to form a conveying device capable of stably delivering glue. Through the coupling design of siphon self-balancing and mechanical pressure compensation between the double containers, the problem of potential energy attenuation caused by traditional gravity glue delivery is solved. The glue is not easily broken or there is no glue. It is beneficial to balance the flow fluctuations caused by low liquid level or rehydration process, and is more conducive to continuous and stable delivery of glue liquid, reducing the situation where hose blockage affects delivery.

[0046] The main storage tank 10 is connected to the pressure-stabilizing sub-tank 20 through the siphon channel 30. The upper limit height of liquid storage and the minimum safety threshold are preset in the inner cavity 11 of the storage tank. When the liquid level in the main storage tank 10 reaches an appropriate height, it is automatically transported to the pressure chamber 21 through the siphon action of the pressure channel 50, and cooperates with the pressure compensation mechanism 40 to replenish liquid and store energy. When the liquid level in the inner cavity 11 of the storage tank drops to a certain level, potential energy attenuation compensation is provided, which is conducive to maintaining the pressure difference and maintaining dynamic balance.

[0047] like Figure 2 、 Figure 3 and Figure 4 As shown, an electric lifting platform 12 is provided at the bottom of the main storage tank 10. The lifting amount of the electric lifting platform 12 is negatively correlated with the real-time liquid level height of the main storage tank 10, and the lifting amount increases according to a preset ratio as the liquid level drops;

[0048] The radial distance of the main storage tank 10 is significantly greater than its height distance to maintain the glue liquid storage capacity. A glue delivery pipeline 13 is provided at the bottom of the main storage tank 10 through the liquid outlet.

[0049] The electric lifting platform 12 uses a hydraulic drive to control the platform lifting. It is an existing technical structure and will not be described here. The main storage tank 10 is driven to lift and lower by the electric lifting platform 12, thereby controlling the height of the storage tank cavity 11. The lifting amount of the electric lifting platform 12 is negatively correlated with the real-time liquid level height in the storage tank cavity 11, and the lifting amount increases according to a preset ratio as the liquid level drops.

[0050] The main storage tank 10 is connected to the downstream screw pump through the glue delivery pipeline 13 to deliver the glue liquid.

[0051] When white latex is injected into the main storage tank 10 until the liquid level reaches the upper limit, the pressure-stabilizing auxiliary tank 20 automatically replenishes liquid through the siphon effect of the siphon channel 30 until the liquid level difference between the main storage tank 10 and the pressure-stabilizing auxiliary tank 20 reaches a balanced state. The corrugated airbag 41 is pre-filled with gas, and the initial pressure is slightly higher than the static pressure of the glue in the main storage tank 10, so that the floating piston 42 is in an intermediate equilibrium position;

[0052] When the downstream external screw pump extracts the glue liquid in the main storage tank 10, the liquid level in the main storage tank 10 drops and triggers the electric lifting platform 12 to lift it, increasing the potential energy. The corrugated airbag 41 in the pressure-stabilizing auxiliary tank 20 gradually releases the stored energy as the liquid level drops. Under the action of the glue pressure differential, it begins to compress, releasing the stored gas pressure, pushing the floating piston 42 downward to make the liquid level in the pressure-stabilizing auxiliary tank 20 rise to compensate for the pressure differential.

[0053] When the liquid level in the main tank 10 approaches the minimum safety threshold, glue is added to the main tank 10 and the main tank 10 is lowered to its initial height. Pressure mutations during the filling process are avoided as much as possible. The pressure-stabilizing auxiliary tank 20 continues to supply liquid during the filling process to reduce the outlet pressure deviation caused by flow fluctuations, thereby achieving non-stop filling.

[0054] During the process of the main storage tank 10 replenishing and recovering, the corrugated airbag 41 gradually absorbs the excess pressure, pushing the floating piston 42 to move upward and reset, and automatically entering a new round of stable conveying cycle state.

[0055] like Figure 2 As shown, the height distance of the pressure stabilizing auxiliary tank 20 is significantly greater than its radial distance, and its radial distance is significantly smaller than the radial distance of the main storage tank 10;

[0056] A rigid connector 201 for fixing the siphon channel 30 is provided at the bottom of the pressure-stabilizing auxiliary tank 20 .

[0057] The short and fat structure of the main storage tank 10 is conducive to improving its capacity stability, and the slender cylinder of the pressure-stabilizing sub-tank 20 is conducive to ensuring potential energy. The pressure-stabilizing sub-tank 20 is connected to the main storage tank 10 through the siphon channel 30 to form a liquid level difference compensation mechanism, which is conducive to achieving seamless connection of liquid supply and replenishment.

[0058] like Figure 2 and Figure 5 As shown, the siphon channel 30 is a U-shaped structure, and a universal rotating flange 31 at one end of the siphon channel 30 is connected to the main storage tank 10. An inner tube 32 is provided in the universal rotating flange 31, the port of which extends to the lower limit of the liquid level of the main storage tank 10;

[0059] The other end of the siphon channel 30 is provided with a bellows compensator 33. One end of the bellows compensator 33 is flange-connected to the pressure-stabilizing auxiliary tank 20 via a lower bend 34. The other end of the siphon channel 30 extends through the port of the lower bend 34 to the lower limit of the liquid level of the pressure-stabilizing auxiliary tank 20, ensuring that a U-shaped liquid seal is maintained when the liquid level fluctuates.

[0060] An ultrasonic vibrator 35 is provided at the bottom of the siphon channel 30 . The ultrasonic vibrator 35 periodically breaks up the flocculation of the adhesive solution in a high-frequency and low-amplitude mode.

[0061] The inlet of the inner tube 32 extends to the lower limit of the liquid level, so that the liquid level is kept submerged even when it drops to the lowest level. This can minimize the ingress of gas caused by liquid level fluctuations during glue filling and reduce the impact of residual bubbles on the siphon effect.

[0062] In addition, the universal rotating flanges 31 are used at both ends of the siphon channel 30 to ensure the movable expansion and contraction of the bellows compensator 33. The movable expansion and contraction of the bellows compensator 33 is conducive to coordinating the lifting and lowering changes of the main storage tank 10, and is conducive to maintaining the stability of the connection between the two ends of the siphon channel 30 and the main storage tank 10 and the pressure-stabilizing sub-tank 20.

[0063] The ultrasonic vibrator 35 is installed at the lower part of the lower bend pipe 34, which is beneficial to crushing the initial gel blocks that may be formed in the lower bend pipe 34, reducing the blockage caused by the coagulation of white latex, and achieving the purpose of stabilizing the glue.

[0064] like Figure 4 and Figure 6 As shown, the corrugated airbag 41 is located at the upper end of the pressure chamber 21, and the floating piston 42 is located below the corrugated airbag 41. One end of the floating piston 42 is connected to the counterweight connecting rod 43 through a piston pin. The pressure stabilizing sub-tank 20 is pressed into the white latex through the floating piston 42, so that the corrugated airbag 41 is compressed to store energy.

[0065] The corrugated airbag 41 adopts a corrugated structure, which is beneficial to increasing the elasticity of the airbag and reducing the damage that white latex may cause to the airbag surface in a low temperature environment, which is beneficial to extending the service life of the airbag. The top of the corrugated airbag 41 is connected to the top of the pressure-stabilizing sub-tank 20 through a valve flange.

[0066] The counterweight connecting rod 43 is controlled by hydraulic drive to drive the floating piston 42 to rise and fall. The counterweight connecting rod 43 can assist the floating piston 42 to reset through gravity, ensuring the initial pre-compression state of the corrugated airbag 41, thereby entering a new round of stable conveying cycle.

[0067] like Figure 2 and Figure 5 As shown, a disturbance mechanism 60 is provided at the bottom of the main storage tank 10, and one end of the disturbance mechanism 60 extends to the inside of the rubber delivery pipeline 13;

[0068] The disturbance mechanism 60 includes a rotary motor 61, a shaft 62, a disturbance plate 63, an extension rod 64 and a disturbance plate 65. The rotary motor 61 is installed on the top of the main storage tank 10. The output end of the rotary motor 61 is connected to the shaft 62 through a coupling. One end of the shaft 62 is passed through the interior of the main storage tank 10, and a disturbance plate 63 is provided at the bottom end of the shaft 62. The disturbance plate 63 rotates to disturb and mix the white latex at the bottom of the main storage tank 10. A pipe groove is opened on the disturbance plate 63.

[0069] The bottom end of the shaft 62 extends into the rubber delivery pipeline 13 through an extension rod 64 , and a disturbance plate 65 is provided on the outer wall of the extension rod 64 . The disturbance plate 65 rotates to disturb the white latex temporarily stored in the rubber delivery pipeline 13 to slow down the sedimentation.

[0070] The disturbance mechanism 60 is helpful to increase the movement of the rubber at the bottom of the main storage tank 10, reduce the coagulation of part of the white latex due to factors such as precipitation, resulting in uneven quality of the white latex, affecting the stable glue supply and even causing blockage.

[0071] By rotating the motor 61 to drive the shaft 62 and the extension rod 64 to rotate, the disturbance plate 63 and the disturbance sheet 65 are disturbed at the bottom of the main storage tank 10 and the glue delivery pipeline 13 respectively, which is conducive to driving the mixing of the white latex, slowing down the precipitation and condensation of the white latex, and making the quality of the white latex at the outlet more uniform, and not easily causing blockage and affecting the glue coating and bonding.

[0072] Moreover, the shape and size of the pipe groove on the disturbance plate 63 match those of the inner tube 32, so that when the disturbance plate 63 rotates at the bottom of the main storage tank 10, a position for the inner tube 32 can be reserved, and conflict is less likely to occur. At the same time, it is beneficial to disturb the suction position of the pipe end of the inner tube 32, thereby reducing the possibility of condensation and blockage at the pipe mouth.

[0073] like Figure 5 As shown, the output end of the glue delivery pipeline 13 is flange-connected to a glue outlet pipe 15 through a pneumatic glue hose valve 14. A spiral guide plate 16 is provided on the inner wall of the glue outlet pipe 15. The pitch of the spiral guide plate 16 is greater than the diameter of the glue outlet pipe 15 and is used to guide the output of white latex.

[0074] The spiral guide plate 16 is used to guide the white latex to be glued. The spiral structure is used to increase the speed of the white latex glued, form turbulence and reduce the clogging caused by the residual condensation of white latex in the glue outlet pipe 15, so as to ensure a stable glue-discharging environment.

[0075] like Figure 6 and Figure 7As shown, a quick-release inspection port 22 is provided on the side wall of the pressure-stabilizing auxiliary tank 20, and a positioning groove 23 is provided on the inner wall of the pressure-stabilizing auxiliary tank 20 near the quick-release inspection port 22. A positioning rod 44 matching the positioning groove 23 is provided on the corrugated airbag 41. The positioning rod 44 slides vertically downward and separates from the positioning groove 23 to form a pull-out disassembly structure.

[0076] An anti-wear pad 45 is provided on a side of the positioning rod 44 close to the corrugated airbag 41 .

[0077] The outer side of the corrugated airbag 41 is connected to the positioning groove 23 through the positioning rod 44, which facilitates the positioning and installation of the corrugated airbag 41, and an anti-wear pad 45 is provided near the corrugated airbag 41. The anti-wear pad 45 is made of flexible materials such as silicone, which helps to reduce wear on the surface of the corrugated airbag 41.

[0078] By setting a sealed door at the quick-release inspection port 22 to open and close the quick-release inspection port 22, it is convenient to inspect and maintain the corrugated airbag 41 through the quick-release inspection port 22. When replacing, the corrugated airbag 41 is pulled down and out, which can reduce the disassembly and assembly of other positions of the pressure-stabilizing sub-tank 20. The corrugated airbag 41 can be disassembled and assembled from the outside through the quick-release inspection port 22, thereby facilitating disassembly and replacement.

[0079] like Figure 2 and Figure 5 As shown, the main storage tank 10 is provided with a liquid level detection unit 17 for detecting the liquid level of the main storage tank 10. The main storage tank 10 is provided with a glue filling execution unit 18 for controlling glue filling when the liquid level is lower than a preset safety threshold. The start and stop of the glue filling execution unit 18 is linked to the lifting of the electric lifting platform 12.

[0080] The glue replenishment execution unit 18 includes a glue replenishment tube 181 fixedly arranged on the main storage tank 10 , and a solenoid valve 182 is provided at the output end of the glue replenishment tube 181 .

[0081] The liquid level detection unit 17 includes a laser liquid level meter installed in the main storage tank 10. When the laser liquid level meter detects that the liquid level in the main storage tank 10 drops to a safety threshold, the laser liquid level meter sends a signal to the PLC. The PLC electrically or wirelessly connects and controls the switch of the solenoid valve 182, and the PLC electrically or wirelessly connects and controls the electric lifting platform 12 to descend at a set speed to restore the initial height of the main storage tank 10 and avoid the impact pressure of glue filling.

[0082] The above embodiments are merely exemplary embodiments of the present application and are not intended to limit the scope of the present application. The scope of protection of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and scope of protection of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the scope of protection of the present application.

Claims

1. A conveying device for stabilizing the amount of glue, characterized in that: have: A main storage tank (10) having an inner tank cavity (11) for storing white latex, wherein the main storage tank (10) is capable of being adjusted in height; A pressure-stabilizing auxiliary tank (20) has a pressure chamber (21) for temporarily storing white latex. The pressure-stabilizing auxiliary tank (20) is connected to the main storage tank (10) via a siphon channel (30). A pressure compensation mechanism (40) is provided inside the pressure-stabilizing auxiliary tank (20), and a pressure channel (50) for the circulation of white latex is formed between the storage tank inner cavity (11) and the pressure chamber (21); A pressure compensation mechanism (40) is provided with a corrugated airbag (41) and a floating piston (42) at both ends of the pressure-stabilizing auxiliary tank (20), respectively. The corrugated airbag (41) is scalable to adjust the liquid level in the pressure chamber (21), and the floating piston (42) is movably connected to the siphon channel (30) to transport the white latex.

2. The delivery device for stable glue delivery according to claim 1, characterized in that: An electric lifting platform (12) is provided at the bottom of the main storage tank (10), the lifting amount of the electric lifting platform (12) is negatively correlated with the real-time liquid level height of the main storage tank (10), and the lifting amount increases according to a preset ratio as the liquid level drops; The radial distance of the main storage tank (10) is significantly greater than its height distance, so as to maintain the glue liquid storage capacity. A glue delivery pipeline (13) is provided at the bottom of the main storage tank (10) through the liquid outlet.

3. The delivery device for stable glue delivery according to claim 1, characterized in that: The height distance of the pressure-stabilizing auxiliary tank (20) is significantly greater than its radial distance, and its radial distance is significantly smaller than the radial distance of the main storage tank (10); Wherein, a rigid connection piece (201) for fixing the siphon channel (30) is provided at the bottom of the pressure-stabilizing auxiliary tank (20).

4. The conveying device for stabilizing the amount of glue delivery according to claim 1, characterized in that: The siphon channel (30) has a U-shaped structure, and a universal rotating flange (31) at one end of the siphon channel (30) is connected to the main storage tank (10). An inner tube (32) with a port extending to the lower limit of the liquid level of the main storage tank (10) is provided in the universal rotating flange (31); The other end of the siphon channel (30) is provided with a bellows compensator (33), one end of the bellows compensator (33) is flange-connected to the pressure-stabilizing auxiliary tank (20) through a lower bend pipe (34), and the other end of the siphon channel (30) extends to the lower limit of the liquid level of the pressure-stabilizing auxiliary tank (20) through the port of the lower bend pipe (34), ensuring that a U-shaped liquid seal is maintained when the liquid level fluctuates; An ultrasonic vibrator (35) is provided at the bottom of the siphon channel (30), and the ultrasonic vibrator (35) periodically breaks up the flocculation of the glue in a high-frequency and low-amplitude mode.

5. The conveying device for stabilizing the amount of glue delivery according to claim 1, characterized in that: The corrugated airbag (41) is located at the upper end of the pressure chamber (21), and the floating piston (42) is located below the corrugated airbag (41). One end of the floating piston (42) is connected to a counterweight connecting rod (43) through a piston pin. The pressure-stabilizing auxiliary tank (20) is pressed into white latex through the floating piston (42), so that the corrugated airbag (41) is compressed to store energy.

6. The conveying device for stabilizing the amount of glue delivery according to claim 2, characterized in that: A disturbance mechanism (60) is provided at the bottom of the main storage tank (10), and one end of the disturbance mechanism (60) extends into the interior of the rubber delivery pipeline (13); The disturbance mechanism (60) comprises a rotating motor (61), a shaft (62), a disturbance plate (63), an extension rod (64) and a disturbance plate (65); the rotating motor (61) is mounted on the top of the main storage tank (10); the output end of the rotating motor (61) is connected to the shaft (62) via a coupling; one end of the shaft (62) is passed through the interior of the main storage tank (10); and a disturbance plate (63) is provided at the bottom end of the shaft (62); the disturbance plate (63) rotates to disturb and mix the white latex at the bottom of the main storage tank (10); and a pipe groove is provided on the disturbance plate (63); The bottom end of the shaft (62) extends into the rubber delivery pipeline (13) through the extension rod (64), and a disturbance plate (65) is provided on the outer wall of the extension rod (64). The disturbance plate (65) rotates to disturb the white latex temporarily stored in the rubber delivery pipeline (13) to slow down the sedimentation.

7. The conveying device for stabilizing the amount of glue delivery according to claim 2, characterized in that: The output end of the glue delivery pipeline (13) is flange-connected to a glue outlet pipe (15) via a pneumatic glue hose valve (14). A spiral guide plate (16) is provided on the inner wall of the glue outlet pipe (15). The pitch of the spiral guide plate (16) is greater than the diameter of the glue outlet pipe (15) and is used to guide the output of the white latex.

8. The conveying device for stabilizing the amount of glue delivery according to claim 1, characterized in that: A quick-release inspection port (22) is provided on the side wall of the pressure-stabilizing auxiliary tank (20), a positioning groove (23) is provided on the inner wall of the pressure-stabilizing auxiliary tank (20) near the quick-release inspection port (22), a positioning rod (44) matching the positioning groove (23) is provided on the corrugated airbag (41), and the positioning rod (44) slides vertically downward and separates from the positioning groove (23) to form a pull-out disassembly structure; Wherein, an anti-wear pad (45) is provided on a side of the positioning rod (44) close to the corrugated airbag (41).

9. The conveying device for stabilizing the amount of glue delivery according to claim 1, characterized in that: The main storage tank (10) is provided with a liquid level detection unit (17) for detecting the liquid level of the main storage tank (10); the main storage tank (10) is provided with a glue filling execution unit (18) for controlling glue filling when the liquid level is lower than a preset safety threshold, and the start and stop of the glue filling execution unit (18) are linked to the lifting of the electric lifting platform (12); The glue replenishment execution unit (18) comprises a glue replenishment tube (181) fixedly arranged on the main storage tank (10), and a solenoid valve (182) is arranged at the output end of the glue replenishment tube (181).