An automatic glue spraying system and method for ceramic plate back screen

Abstract

The present invention provides an automatic glue spraying system and method for a ceramic plate back screen that is anti-blocking, environmentally friendly, highly efficient, has good effects, has a simple structure, is widely applicable, and has stable performance, and can mix multiple glues. It is equipped with: a transmission device that transmits the ceramic plate to a specified position and moves at a specified speed along the transmission direction; a swing device that moves relative to the transmission device above the ceramic plate in a swing direction perpendicular to the transmission direction; a glue spraying device that is fixedly connected to the swing device and sprays mixed glue on the ceramic plate; and a control device that is electrically connected to the transmission device, the swing device, and the glue spraying device, and controls the glue spraying amount of the glue spraying device, the swing of the swing device, and the transmission of the transmission device.

Description

Technical Field

[0001] The invention belongs to the technical field of practical intelligent automated building material processing, and in particular relates to an automated glue spraying system and method for a ceramic plate back net. Background Art

[0002] In recent years, the thinning of ceramic plates has become a hot topic in industry research. Thin ceramic plates reduce the use of mineral resources such as clay, and have significant advantages in practical applications due to their light weight. In particular, the development of ceramic plate surface decoration technology has enabled thin ceramic plate products to have very realistic detail textures, which further expands the application space of ceramic plates. At present, some manufacturers have applied thin ceramic plates to cabinets and refrigerator panels. However, ceramics themselves are a brittle material, which is prone to damage or even breakage when encountering external impact or bearing a large load. The sharp edges and corners of the broken ceramic fragments create unsafe factors, which makes thin ceramic products have potential hidden dangers during load-bearing and transportation. In response to the above problems, technicians in this field usually form a firmly attached backing net on the back of the thin ceramic plate on the industrial production line. When the ceramic plate is impacted by external force, most of the stress and strain energy is absorbed by the backing net, which can greatly improve the mechanical properties of the thin ceramic plate.

[0003] Pasting glass fiber reinforced mesh on the back of ceramic panels and rock panels is called back mesh paving of ceramic panels and rock panels. The glass fiber reinforced mesh exists in the form of glass fiber mesh cloth. Glass fiber mesh cloth is a new type of alkali-resistant product made of medium-alkali or alkali-free glass fiber yarn, woven into glass fiber mesh cloth as the base material, and then coated with two-component acrylic copolymer liquid and dried. With the increase in the output and demand of ceramic panels and rock panels, the traditional manual back mesh paving can no longer meet the output demand, and it consumes manpower and material resources and has low efficiency. In recent years, many companies have started to manufacture and develop automatic back mesh paving production lines.

[0004] Existing automated back mesh laying production lines mostly adopt the method of spraying glue on the back of the product, then pasting the mesh and drying it. For example, Patent Document 1 discloses an automated production line for laying back mesh on ceramic plates, which adopts the method of spraying glue on the back of the product, then pasting the glass fiber mesh and then drying it. However, this method has high requirements for the glue spraying equipment. Long-term operation or sudden disconnection of the electrode can easily cause the nozzle of the glue spraying equipment to be blocked, affecting production. In addition, the glue is sprayed out of the nozzle through compressed air. The controllability of the compressed air pressure during the spraying process is poor, and the spraying process will produce mist, which will produce more harmful gases and pollute the working environment.

[0005] Prior art literature:

[0006] Patent Literature:

[0007] Patent document 1: Chinese patent publication CN212219577U. Summary of the invention

[0008] Problems to be solved by the invention:

[0009] In view of the above problems, the purpose of the present invention is to provide an automated glue spraying system and method for a ceramic plate back mesh that can mix multiple glues and is anti-clogging, environmentally friendly, highly efficient, effective, simple in structure, widely applicable, and has stable performance.

[0010] Technical means to solve the problem:

[0011] The present invention provides an automatic glue spraying system for a ceramic plate back screen, which has:

[0012] A transmission device for conveying the ceramic plate to a specified position and moving it along a conveying direction at a specified speed;

[0013] a swing device that moves relative to the transmission device above the ceramic plate in a swing direction perpendicular to the conveying direction;

[0014] A glue spraying device fixedly connected to the swing device and configured to spray the mixed glue onto the ceramic plate; and

[0015] A control device is electrically connected to the transmission device, the swing device and the glue spraying device, and controls the glue spraying amount of the glue spraying device, the swinging of the swing device and the transmission of the transmission device.

[0016] According to the present invention, the transmission device is responsible for the transmission of the ceramic plate, and the glue spraying device moves along a prescribed track relative to the moving ceramic plate through the swing device. Due to the relative movement of the transmission device and the swing device, the glue spraying device leaves a grid-shaped glue spraying track on the back of the ceramic plate, and then the back of the ceramic plate is fully covered by the leveling and spreading of the glue. Compared with the traditional back-net glue spraying method, the present invention solves the problem of glue atomization affecting the environment during glue spraying, reduces environmental pollution during production operations, and intelligently controls the amount of glue supplied and the relative movement through the control device, thereby controlling the uniformity and thickness of the glue application, and the efficiency of glue spraying is much higher than that of spraying, which can greatly improve the construction efficiency and effect.

[0017] Alternatively, in the present invention, the glue spraying device includes:

[0018] Two or more glue storage tanks for storing different glues;

[0019] Two or more heating units respectively installed on the glue storage tank and used for heating and maintaining a constant temperature;

[0020] A glue mixing unit connected to the glue storage tanks respectively through a plurality of glue pipelines and used for mixing glue;

[0021] a glue spraying unit connected to the glue mixing unit and fixed on the swing device; and

[0022] Two or more glue supply pumps are respectively installed on the glue pipeline and are independently controlled by the control device.

[0023] According to the present invention, the temperature is controlled by the heating unit to adjust the viscosity of the glue. According to the different flow rates under different viscosities, the glue supply pump is controlled by the control unit, so that the glue mixing ratio is controlled by the pump speed, and the multi-component glue is automatically and intelligently mixed in the glue mixing unit. The viscosity of the glue is stabilized by the temperature control of the edge, as in the present invention, which is more stable and has a better mixing effect than only controlling the glue amount by the flow rate. The mixed glue is directly poured onto the back of the ceramic plate through the glue pouring unit. The overall structure is simple and concise, which reduces unnecessary pipes and can effectively avoid blockage.

[0024] Alternatively, in the present invention, the rubber mixing unit is formed into a multi-section spiral structure.

[0025] According to the present invention, compared with the existing glue mixing method, the blockage of pipelines and nozzles can be effectively reduced. Specifically, in the prior art, glues of different components are usually supplied to the glue mixing barrel in proportion, and then evenly stirred by the stirring head and then supplied to the nozzle by the glue supply pump through the glue supply hose. However, the present invention forms the glue mixing unit into a tubular shape with a unique spiral structure, which can fully mix glues of different components. There is no need for a glue mixing barrel and a stirring head specifically used for glue mixing. The glue mixing unit and the glue spraying unit are directly connected, and the pipeline for transmission after the glue mixing is omitted. With this, the glue retention and solidification can be avoided to prevent the glue from being blocked in the pipeline and the glue spraying head.

[0026] Alternatively, in the present invention, the glue spraying unit is formed as a bifurcated flow-dividing structure.

[0027] According to the present invention, compared with the existing spraying method, the pollution of the working environment can be greatly reduced. Specifically, in the prior art, a glue supply pump is usually used to supply glue to the nozzle, and the nozzle is connected to compressed air and a pressure pump is used to spray glue on the back of the ceramic plate. Part of the sprayed glue is atomized and flies into the air, polluting the working environment. In the present invention, the glue is supplied from the glue mixing unit to the glue spraying head through a glue supply pump, and the glue spraying head divides the glue evenly and flows out from multiple glue outlets, flowing to the back of the ceramic plate in the form of a water column. The glue does not atomize, reducing the pollution of the working environment.

[0028] Alternatively, in the present invention, the control device controls as follows: the transmission device moves along the transmission direction at a transmission speed, and when an edge of the ceramic plate in the transmission direction moves to below the swing device, the swing device reciprocates along the swing direction at a first swing speed with two edges in the swing direction of the ceramic plate as limits, the glue spraying device moves following the swinging device, and the glue supply pump pumps mixed glue to the glue spraying unit at a first speed.

[0029] Alternatively, in the present invention, the control device further controls as follows: the swing device moves at a second swing speed lower than the first swing speed when moving to the vicinity of any edge in the swing direction of the ceramic plate, and restores the first swing speed when leaving any edge in the swing direction of the ceramic plate a specified distance, and the glue supply pump switches to the first speed and a second speed higher than the first speed in synchronization with the first swing speed and the second swing speed.

[0030] Alternatively, in the present invention, the control device further controls as follows: the transmission device stops transmitting when the other edge of the ceramic plate in the transmission direction moves below the swing device, and the glue supply pump rotates at the first speed until the swing device reciprocates once and stops supplying glue.

[0031] According to the present invention, a cross grid is formed on the back of the ceramic plate through the relative movement of the transmission device and the swing device. When the swing device moves to the edge of the ceramic plate, in order to prevent leakage due to the inertia of the glue, it is necessary to reduce the first swing speed to the second swing speed, thereby reducing the inertia of the glue. At this time, the glue supply pump increases from the first speed to the second speed to increase the glue spraying amount, thereby ensuring that there is enough glue at the edge, and can also effectively prevent the glue from overflowing, thereby ensuring the bonding quality of the back net.

[0032] Alternatively, in the present invention, the glue mixing unit is arranged above the glue spraying unit, so that the mixed glue can flow directly into the glue spraying unit by gravity, further simplifying the structure and preferably avoiding clogging of the pipeline and the glue spraying head.

[0033] Alternatively, in the present invention, a flow rate sensor and / or a temperature sensor is provided on the glue pipe, thereby controlling the glue at a constant temperature, stabilizing the glue viscosity, and being more conducive to construction and product performance stability.

[0034] The present invention also provides an automatic glue coating method for a ceramic plate back screen based on the automatic glue coating system, comprising:

[0035] Input information into the control device to generate an intelligent solution;

[0036] According to the intelligent solution, the glue spraying device mixes glue;

[0037] The transmission device transfers the ceramic plate to a specified position, and the swing device moves to an initial position, so that an edge of the ceramic plate in the transmission direction moves to below the swing device;

[0038] The transmission device moves the ceramic plate along the transmission direction, and the swing device drives the glue spraying device to reciprocate along the swing direction to start glue spraying;

[0039] When the other edge of the ceramic plate in the transmission direction moves to the bottom of the swing device, the transmission device stops, and the glue supply pump reduces the glue supply until the swing device stops supplying glue after completing one reciprocation;

[0040] The swing device returns to the initial position, and the transmission device transfers the ceramic plate to the next station, and transfers the next ceramic plate to the specified position.

[0041] Effect of the invention:

[0042] The present invention can provide an automatic glue spraying system and method for a ceramic plate back net which is anti-clogging, environmentally friendly, has multiple glue combinations and stable performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a structural schematic diagram of an automated glue spraying system according to an embodiment of the present invention;

[0044] Figure 2 yes Figure 1 A schematic structural diagram of a glue mixing unit of a glue spraying device of the system shown;

[0045] Figure 3 yes Figure 1 A schematic structural diagram of a glue spraying unit of a glue spraying device of the system shown;

[0046] Figure 4 This is a control flow chart of an automated glue spraying system according to an embodiment of the present invention;

[0047] Explanation of symbols:

[0048] Automatic glue spraying system S, transmission device 1, swing device 2, glue spraying device 3, control device 4;

[0049] Glue storage tank 31 , heating unit 32 , glue mixing unit 33 , glue spraying unit 34 , glue supply pump 35 , glue pipeline 36 . DETAILED DESCRIPTION

[0050] The present invention is further described below in conjunction with the following embodiments. It should be understood that the following embodiments are only used to illustrate the present invention, but not to limit the present invention. The same or corresponding reference numerals in the various figures represent the same components, and repeated descriptions are omitted.

[0051] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, and those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific circumstances. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0052] like Figure 1 As shown, an automatic glue spraying system S for ceramic plate back net which is anti-clogging, environmentally friendly and can mix multiple glues is disclosed, which is equipped with a transmission device 1, a swinging device 2, a glue spraying device 3 and a control device 4. Among them, the control device 4 is electrically connected to the transmission device 1 and the glue spraying device 3, and controls the glue spraying amount of the glue spraying device 3, the swinging of the swinging device 2 and the transmission of the transmission device 1. The control device 4 can be a single-chip microcomputer chip, which integrates a processor, a memory, a communication module, etc. The processor can refer to the processor included in the controller. The processor can be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field-programmable gate arrays (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The present invention does not make specific limitations on this, as long as the control function required by the present invention can be achieved.

[0053] Furthermore, the transmission device 1 is used to transmit the ceramic plate to a specified position and along the transmission direction ( Figure 1 In this embodiment, the transmission device 1 is, for example, a transmission line for carrying and transporting the ceramic plate, preferably a belt transmission mechanism, but not limited thereto. In addition, the swing device 2 swings in a direction perpendicular to the transmission direction ( Figure 1The swing device 2 is a swinging arm, which can be a rotational swing similar to a pendulum or a translational swing. In addition, the transmission device 1 and the swing device 2 in the present invention can adopt existing devices, as long as they can achieve the necessary functions, without any special limitation.

[0054] Furthermore, the glue spraying device 3 is fixedly connected to the swing device 2, and the glue spraying device 3 is installed on the guide rail of the swing device 2. The glue spraying device 3 is driven by a servo motor to swing on the swing device 2 to spray the mixed glue on the ceramic plate. More specifically, the glue spraying device 3 includes: a plurality of glue storage tanks 31, a plurality of heating units 32, a glue mixing unit 33, a glue spraying unit 34 and a glue supply pump 35. Among them, different glues are stored in the two or more glue storage tanks 31, and each glue storage tank 31 is installed with a heating unit 32 whose temperature can be controlled by the control device 4, and is connected to the glue mixing unit 33 through a glue pipe 36, and each glue pipe 36 is provided with a glue supply pump 35 whose speed can be independently controlled by the control device 4, and the glue mixing unit 33 is connected to the glue spraying unit 34 fixed on the swing device 2.

[0055] In this embodiment, the glue mixing unit 33 may be, for example, a glue mixing tube. Figure 2 As shown, the glue mixing unit 33 is formed into a multi-section spiral structure (only three channels are shown to simplify the diagram, but the actual number is not limited thereto). Specifically, there are multiple channels in each section of the spiral structure, and multiple glues enter the glue mixing unit 33 through the glue inlet and then flow into the multiple channels in a random manner. The end of each channel of any section of the spiral structure is divided into two branches by the next section of the spiral structure, one of which merges with a branch of another channel, and flows in one of the multiple channels in the next section of the spiral structure, and the cycle repeats until it reaches the last section of the spiral structure, and the glues in the multiple channels merge and flow out from the glue outlet. More specifically, in the working state, the glue in the two or more glue storage tanks 31 is pumped out according to a predetermined ratio by the transmission force provided by the glue supply pump 35, and the flow rate of the glue is controlled to be uniform by the flow rate sensor and / or temperature sensor (not shown) provided on the glue pipe 36, so that the glue flows through each glue pipe 36 to the glue mixing unit 33. The glue with the same flow rate passes through the multi-section spiral structure. At the end of each spiral structure, the glue in each channel is divided into two tributaries by the next spiral structure and mixed with one of the two tributaries of another channel. After passing through the multi-section spiral structure, the two or more glues are fully mixed. Preferably, in the glue mixing unit 33, the ratio of the two components of glue is in the range of 1:1~5.

[0056] In this embodiment, the glue spraying unit 34 can be, for example, a glue spraying head. Figure 3As shown, the glue spraying unit 34 is formed into a forked diversion structure. Specifically, the main channel is connected to the glue outlet of the glue mixing unit 33 and serves as the glue inlet of the glue spraying unit 34. One main channel is divided into two secondary channels, and the two secondary channels are further divided into four secondary channels. In this way, it increases to 16, 32 or 64 final channels, and the end of the channel corresponds to the glue outlet. The number of diversions is selected according to specific needs, and the bifurcation method can also be one-to-three, one-to-four, etc., all of which are not specifically limited. More specifically, the fully mixed glue in the glue mixing unit 33 directly enters the main channel of the glue spraying unit 34, and then bifurcates into two secondary channels, and then bifurcates into four secondary channels, and repeats the bifurcation into 64 channels. Finally, the glue is evenly and finely poured onto the ceramic plate through the glue outlet.

[0057] In addition, the glue mixing unit 33 can be arranged above the glue spraying unit 34, so that the mixed glue can flow directly into the glue spraying unit 34 by gravity, further simplifying the structure. In addition, a temperature sensor can be arranged on the glue pipe 36, so that the glue can be controlled at a constant temperature, and the stability of the glue viscosity is more conducive to construction and product performance stability. In addition, the control device 4 accurately guides the multi-component glue to the glue mixing unit 33 for automatic mixing and uniform distribution, and then sprays the glue downward through the glue spraying unit 34 with multiple outlets. The change of the glue mixing and spraying method effectively solves the blockage problem.

[0058] In this embodiment, when glue spraying starts, the control device 4 performs the following control:

[0059] The transmission device 1 moves along the transmission direction at a transmission speed;

[0060] When one edge of the ceramic plate in the transmission direction moves to the bottom of the swing device 2, the swing device 2 is reciprocated along the swing direction at a first swing speed with two edges of the ceramic plate in the swing direction as the limit, the glue spraying device 3 moves following the swing device 2, and the glue supply pump 35 pumps mixed glue to the glue spraying unit 34 at a first speed;

[0061] The swing device 2 is caused to move at a second swing speed lower than the first swing speed when it moves to the vicinity of any edge in the swing direction of the ceramic plate, and to resume the first swing speed when it is away from any edge in the swing direction of the ceramic plate by a specified distance;

[0062] The glue supply pump 35 is switched to a first rotation speed and a second rotation speed higher than the first rotation speed in synchronization with the first swing speed and the second swing speed;

[0063] The transmission device 1 stops transmission when the other edge of the ceramic plate in the transmission direction moves to below the swing device 2, and the glue supply pump 35 rotates at the first speed until the swing device 2 reciprocates once and then stops supplying glue.

[0064] Based on the above, in the present invention, the transmission device 1 is responsible for the transmission of the ceramic plate, and the glue spraying device 3 moves along a prescribed track relative to the moving ceramic plate through the swing device 2. Due to the relative movement of the transmission device 1 and the swing device 2, the glue spraying device 3 leaves a grid-shaped glue spraying track on the back of the ceramic plate, and then the back of the ceramic plate is fully covered by the leveling and spreading of the glue. In addition, the temperature control of the edge of the present invention stabilizes the viscosity of the glue, which is more stable and has a better mixing effect than only controlling the amount of glue by flow rate. The mixed glue is directly sprayed onto the back of the ceramic plate through the glue spraying unit 34. The overall structure is simple and concise, which reduces unnecessary pipes and can effectively avoid blockage. Moreover, due to the short pipeline, the glue dissipates less heat during the circulation process and still maintains a certain temperature, so the spreading and leveling effect after the glue spraying is good, and a uniform flat film can also be formed after the grid-type spraying.

[0065] Furthermore, the present invention forms the glue mixing unit 33 into a unique spiral structure tube, which can fully mix glues of different components, without the need for a special glue mixing barrel and stirring head for glue mixing, and the glue mixing unit 33 and the glue spraying unit 34 are directly connected, omitting the pipeline for transmission after the glue mixing, thereby avoiding the glue from being retained and solidified, resulting in the blockage of the pipeline and the glue spraying head. Furthermore, the present invention supplies glue from the glue mixing unit 33 to the glue spraying head through the glue supply pump 35, and the glue spraying head evenly divides the glue and flows out from multiple glue outlets, flowing to the back of the ceramic plate in the form of a water column, and the glue does not atomize, reducing the pollution of the working environment.

[0066] The following combination Figure 4 The automatic glue spraying method of the automatic glue spraying system S of the present invention is described. Figure 1 In order to simplify the description, the transmission direction is defined as the length direction of the ceramic plate, the size of the ceramic plate in the transmission direction is defined as the length dimension, the swing direction perpendicular to the transmission direction is defined as the width direction of the ceramic plate, the size of the ceramic plate in the swing direction is the width dimension, and the transmission device 1 transmits from left to right. The method includes the following steps.

[0067] Preparation steps: Input necessary information such as ceramic plate specifications, glue specifications, transmission speed, rotation speed, swing speed, etc. into the control device 4 to generate an intelligent automatic control solution.

[0068] Glue mixing step: According to the scheme, the glue spraying device 3 mixes the glue.

[0069] Positioning step: the transmission device 1 transfers the ceramic plate to the specified position, and the swing device 2 drives the glue spraying device 3 to move to the initial position.

[0070] Glue spraying step: the transmission device 1 moves the ceramic plate along the transmission direction, the swing device 2 drives the glue spraying device 3 to reciprocate within the width of the ceramic plate along the swing direction, and the glue supply pump 35 is started synchronously to start glue spraying. When the other edge of the ceramic plate in the length direction moves to the bottom of the swing device 2, the transmission device 1 stops, and the glue supply pump 35 reduces the glue supply until the swing device 2 stops supplying glue after completing one reciprocation.

[0071] Returning step: the swing device 2 returns to the initial position, the transmission device 1 transfers the ceramic plate to the next station, and transfers the next ceramic plate to the specified position.

[0072] Furthermore, in the glue spraying step, the control device 4 controls the steps as follows.

[0073] The transmission device 1 is moved along the transmission direction at a transmission speed, and the swing device 2 is synchronously moved back and forth along the swing direction at a first swing speed within the width of the ceramic plate.

[0074] When the swing device 2 moves to the vicinity of any edge in the width direction of the ceramic plate, the first swing speed is switched to a second swing speed lower than the first swing speed, and when it continues to move to the edge in the width direction, it moves in the opposite direction, and when it leaves the edge of the ceramic plate by a specified distance, it switches back to the first swing speed from the second swing speed. Among them, a sensor can be used to detect whether it has reached the vicinity of the edge, and then controlled by a control device, or the relative position can be calculated by the pre-input plate size and speed, so as to infer that it has reached the vicinity of the edge, and the means are not limited here.

[0075] The glue supply pump 35 switches the rotation speed synchronously with the swinging speed of the swinging device 2. Specifically, when the swinging device 2 moves at a first swinging speed, the glue supply pump 35 supplies glue at a first rotation speed. When the swinging device 2 moves at a second swinging speed, the glue supply pump 35 supplies glue at a second rotation speed.

[0076] The transmission device 1 stops transmission when the other edge of the ceramic plate in the length direction moves to below the swing device 2, and the glue supply pump 35 switches or maintains the first speed until the swing device 2 reciprocates for the last time, and then stops supplying glue.

[0077] Furthermore, in the positioning step, as long as one edge of the ceramic plate in the length direction is located below the swing device 2 (glue spraying device 3), it can be determined that the transmission device 1 has reached the specified position, and the specific positional relationship of the swing device 2 (glue spraying device 3) relative to the ceramic plate is not limited, that is, the initial position is not rigidly stipulated, as long as it returns to the same initial position each time. However, the initial position of the swing device 2 (glue spraying device 3) is preferably not located at the corner of the ceramic plate. For example, the initial position of the swing device 2 (glue spraying device 3) relative to the ceramic plate can be located near the center of the ceramic plate in the width direction. When the initial position is located at one of the two corners of the ceramic plate, for example Figure 1At the upper right corner or lower right corner of the middle ceramic plate, since the glue has no inertia during the initial movement and there is no worry about glue overflow, the swing can still be started at the first swing speed without reducing the speed and increasing the rotation.

[0078] Based on the above, through the relative movement of the transmission device 1 and the swing device 2, a cross grid is formed on the back of the ceramic plate. When the swing device 2 moves to the edge of the ceramic plate, in order to prevent leakage caused by the inertia of the glue, it is necessary to reduce the first swing speed to the second swing speed, thereby reducing the inertia of the glue. At this time, the glue supply pump 35 increases from the first speed to the second speed to increase the amount of glue spraying, thereby ensuring that there is enough glue at the edge, thereby ensuring the bonding quality of the back net, and also ensuring that there is enough glue at the edge of the ceramic plate, and can effectively prevent glue overflow. Compared with the traditional back net spraying method, it effectively solves the problem of glue atomization affecting the environment during the spraying process, reduces the pollution of the production operation environment, and intelligently controls the amount of glue supplied and the relative movement through the control device 4, so as to control the uniformity and thickness of the glue application, and the efficiency of glue spraying is much higher than that of spraying, which can greatly improve the construction efficiency and effect.

[0079] The following further examples are given to illustrate the present invention in detail. It should also be understood that the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various configurations. Therefore, the following examples are only used to further illustrate the present invention and cannot be understood as limiting the scope of protection of the present invention. Some non-essential improvements and adjustments made by those skilled in the art based on the above content of the present invention belong to the scope of protection of the present invention. The specific process parameters and the like in the following examples are also only examples within a suitable range, that is, those skilled in the art can make a selection within a suitable range through the description herein, and are not limited to the specific values ​​​​exemplified below.

[0080] The above-mentioned automatic glue spraying system S is used to spray glue on the back of the ceramic plate.

[0081] Step 1: Add SSG-106A glue (glue name: rock board back mesh strengthening glue; source: Foshan Bashengnuo New Material Technology Co., Ltd.; main ingredient: epoxy resin) into the glue storage tank 31, and add SSG-106B glue (glue name: rock board back mesh strengthening glue; source: Foshan Bashengnuo New Material Technology Co., Ltd.; main ingredient: organic amine) into the other glue storage tank. The control device 4 controls the heating unit 32 to make the temperatures of the two glue storage tanks 31 30 degrees Celsius respectively. At this time, the viscosity of SSG-106A glue is controlled between 1500 and 1700 (unit: cps / 25℃, CAP2000), and the viscosity of SSG-106B glue is controlled between 100 and 150 (unit: cps / 25℃, CAP2000). Through temperature control, the viscosity of the glue in the two glue storage tanks 31 is always stable and the temperature is relatively stable.

[0082] Step 2: The control device 4 controls the glue supply pump 35 to supply SSG-106A glue and SSG-106B glue in a ratio of 2:1 to the glue mixing pipe (glue mixing unit 33) at a preset speed.

[0083] Step 3: The two glues are drained in the mixing tube and fully mixed with each other. The viscosity of the mixed glue is between 450 and 550 (unit: cps / 25℃, CAP2000). A switch is provided in the mixing tube. When the switch is closed, the glue in the mixing tube will not flow into the glue spraying unit 34.

[0084] Step 4: The automatic tile loading robot picks up the ceramic plate with the specification of 1600×2700×3mm and turns it over. After cleaning and drying the back, it is transported to the glue spraying transmission line (transmission device 1).

[0085] Step 5: The transmission line conveys the ceramic plate to the specified position of the glue spraying area, the swing arm (swing device 2) is located at the initial position above the ceramic plate, the transmission line is driven at a linear speed of 5m / min (transmission speed), the swing arm starts to swing at a linear speed of 8m / min (first swing speed), the glue supply pump 35 supplies glue at the first speed of 400r / min set in the control device 4, the glue mixing hose switch is turned on, and the glue spraying head (glue spraying device 3) divides the glue pre-mixed in step 3 into 32 branches with the same flow rate, and then sprays it onto the back of the ceramic plate.

[0086] Step 6: When the swing arm drives the glue spraying unit 33 to move to any edge of the ceramic plate, the swing arm swings at a linear speed of 3m / min (second swing speed), and correspondingly, the glue supply pump 35 supplies glue at the second speed of 800r / min set in the control device 4. Theoretically, the swing arm will have two swing speed reductions each time it swings back and forth, and the speed of the glue supply pump will increase, so that the glue spraying amount is generally stable.

[0087] Step 7: The transmission line drives at a constant speed, and the swing arm repeats step 6 and swings at a variable speed, so that the glue is evenly sprayed on the back of the ceramic plate in a cross-shaped manner until the tail end of the ceramic plate moves under the swing arm. The transmission line stops transmission, and the swing arm finally moves back and forth. At this time, the control device 4 adjusts or maintains the glue supply pump 35 to the first speed of 400r / min to reduce the amount of glue spraying. After the swing arm stops swinging, the glue supply pump stops rotating.

[0088] Step 8: The transmission line starts to transport the ceramic plate to the next process. The glue spraying process is completed, and the swing arm drives the glue spraying head to return to the initial position.

[0089] The above specific implementations further describe the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above is only a specific implementation of the present invention and is not limited to the protection scope of the present invention. Without departing from the purpose of the basic characteristics of the present invention, the present invention can be embodied in various forms. Therefore, the implementation forms in the present invention are used for illustration rather than limitation. Since the scope of the present invention is limited by the claims rather than the specification, and all changes within the scope defined by the claims or within the equivalent scope of the scope defined by the claims should be understood to be included in the claims. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic glue spraying system for ceramic plate back net, characterized in that: have: A transmission device for conveying the ceramic plate to a specified position and moving it along a conveying direction at a specified speed; a swing device that moves relative to the transmission device above the ceramic plate in a swing direction perpendicular to the conveying direction; A glue pouring device fixedly connected to the swing device and configured to pour mixed glue onto the ceramic plate; and A control device electrically connected to the transmission device, the swing device and the glue spraying device, and controlling the glue spraying amount of the glue spraying device, the swinging of the swing device and the transmission of the transmission device; The control device controls as follows: The transmission device moves along the conveying direction at a transmission speed. When one edge of the ceramic plate in the conveying direction moves to below the swing device, the swing device reciprocates along the swing direction at a first swing speed with two edges of the ceramic plate in the swing direction as a limit. The glue spraying device moves along with the swinging device, and the glue supply pump pumps mixed glue to the glue spraying unit at a first speed. The swing device moves at a second swing speed lower than the first swing speed when it moves to the vicinity of any edge in the swing direction of the ceramic plate, and restores the first swing speed when it leaves any edge in the swing direction of the ceramic plate at a specified distance. The glue supply pump switches to the first speed and a second speed higher than the first speed in synchronization with the first swing speed and the second swing speed.

2. The automatic glue spraying system for ceramic plate back screen according to claim 1 is characterized in that: The glue spraying device comprises: Two or more glue storage tanks for storing different glues; Two or more heating units respectively installed on the glue storage tank and used for heating and maintaining a constant temperature; A glue mixing unit connected to the glue storage tanks respectively through a plurality of glue pipes and used for mixing glue; a glue spraying unit connected to the glue mixing unit and fixed on the swing device; and Two or more glue supply pumps are respectively installed on the glue pipeline and are independently controlled by the control device.

3. The automatic glue spraying system for ceramic plate back screen according to claim 2, characterized in that: The rubber mixing unit is formed into a multi-section spiral structure.

4. The automatic glue spraying system for ceramic plate back screen according to claim 2, characterized in that: The glue spraying unit is formed into a bifurcated flow-dividing structure.

5. The automatic glue spraying system for ceramic plate back screen according to claim 2, characterized in that: The glue mixing unit is arranged above the glue spraying unit.

6. The automatic glue spraying system for ceramic plate back screen according to claim 5, characterized in that: The glue pipeline is provided with a flow rate sensor and / or a temperature sensor.

7. The automatic glue spraying system for ceramic plate back screen according to claim 1, characterized in that: The transmission device stops transmission when the other edge of the transmission direction of the ceramic plate moves below the swing device, and the glue supply pump rotates at the first speed until the swing device reciprocates once and then stops supplying glue.

8. An automated glue coating method, characterized in that: The method is carried out by the automatic glue spraying system for the ceramic plate back screen according to any one of claims 1 to 7, comprising: Input information into the control device to generate an intelligent solution; According to the intelligent solution, the glue spraying device mixes glue; The transmission device transfers the ceramic plate to a specified position, and the swing device moves to an initial position, so that an edge of the ceramic plate in the transfer direction moves to below the swing device; The transmission device moves the ceramic plate along the conveying direction, and the swing device drives the glue spraying device to reciprocate along the swinging direction to start glue spraying; When the other edge of the ceramic plate in the conveying direction moves to the bottom of the swing device, the transmission device stops, and the glue supply pump reduces the glue supply until the swing device stops supplying glue after completing one reciprocating motion; The swing device returns to the initial position, and the transmission device transfers the ceramic plate to the next station, and transfers the next ceramic plate to the specified position.

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