CN222112407U - Gluing system - Google Patents

Abstract

The utility model provides a gluing system which comprises a glue containing box, a gluing device and a gear pump device, wherein a glue containing cavity is formed in the glue containing box and is used for containing glue liquid, a first glue outlet and a vent hole are formed in the glue containing box, the gluing device is used for gluing a piece to be glued, the gear pump device comprises a gear pump, the gear pump comprises an input port and an output port, the input port is communicated with the first glue outlet, and the output port is communicated with the gluing device. The glue coating system quantitatively supplies glue in the glue containing box to the glue coating device through the gear pump device, so that inaccurate glue supply amount caused by bubbles in the glue is avoided when glue is supplied, the gear pump device is high in volumetric efficiency, high in conveying precision and good in sealing performance, can meet the production requirements of high precision, can adapt to glue solutions with different viscosities, is simple in system structure, fewer in parts and convenient to maintain, and reduces the failure rate and the maintenance cost of the system.

Description

Gluing system

Technical Field

The utility model relates to the field of solar cell preparation, in particular to a gluing system.

Background

In the production process of the solar cell, a gluing process of the cell is involved. For example, in the process of preparing the grid line on the battery piece by an electroplating method, the side surface of the battery piece is exposed to the electroplating solution, so that the side surface of the battery piece is also plated with the electroplating solution, the short circuit of the battery piece can be easily caused, the plating layer on the side surface of the battery piece is not firmly connected with the battery piece, metal particles in the plating layer are easy to fall off and transfer to the NP surface of the battery piece along with the electroplating solution, pollution is caused, the yield and efficiency of the battery piece are affected, therefore, a protective layer needs to be formed on the side surface of the battery piece in advance to protect the side surface of the battery piece from being electroplated, a protective glue solution is wrapped on the side surface of the battery piece by a glue coating device, and a cladding structure is formed after curing so as to ensure that the glue solution forms a uniform and stable protective film on the side surface of the battery piece.

For batch preparation solar cell, the glue spreading device needs a larger glue outlet amount and can not generate a glue breaking phenomenon, so that glue is required to be supplied to the glue spreading device through the glue containing box in time when glue in the glue spreading device is about to be used up, in the prior art, air pressure is applied to the glue containing box so as to convey the glue in the glue containing box to the glue spreading device, and bubbles in the glue can cause that the glue outlet amount can not be accurately controlled through the extrusion glue of an air pressure piston rod type, so that adverse effects are caused on the glue spreading process of the cell.

It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present application and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the application section.

In view of the above, a new glue spreading system is needed.

Disclosure of utility model

In view of the above-mentioned drawbacks of the prior art, an object of an embodiment of the present utility model is to provide a glue application system for solving some of the problems of the prior art.

To achieve the above and other related objects, embodiments of the present utility model provide a glue spreading system including:

The glue containing box is internally provided with a glue containing cavity, the glue containing cavity is configured to contain or is used for containing glue solution, and the glue containing box is provided with a first glue outlet and a vent hole which are used for communicating the glue containing cavity with the outside;

The gluing device is configured to glue the piece to be glued;

The gear pump device comprises a gear pump, the gear pump comprises an input port and an output port, the input port is communicated with the first glue outlet, and the output port is communicated with the glue spreading device.

Optionally, hold and glue the chamber and be the open top and hold the chamber of gluing, hold and glue the chamber bottom and be provided with the spoiler, the spoiler lateral wall with hold and glue the chamber bottom and make up into a plurality of spaces the same top open cavity, every the cavity bottom all is provided with first play glue mouth.

Optionally, a liquid level sensor is arranged on the inner wall of the glue containing box, and the liquid level sensor is provided with an upper limit alarm value and a lower limit alarm value. Optionally, the gear pump device further includes a first driving device, a universal coupling, a base and a liquid meter, the first driving device drives the gear pump through the universal coupling, the gear pump, the first driving device and the universal coupling are all arranged on the base, the liquid meter is arranged at the output port of the gear pump, and the gear pump is an external gear pump or an internal gear pump.

Optionally, the gluing system further comprises a collecting tank, the collecting tank is located below the gluing device, the collecting tank is configured to collect residual glue solution after gluing treatment is carried out on the piece to be glued by the gluing device, a liquid level sensor is arranged inside the collecting tank, and a second glue outlet communicated with the outside is formed in the collecting tank.

Optionally, the glue spreading system further comprises a recycling bin, the recycling bin is provided with a recycling cavity, the recycling cavity is configured to recycle the residual glue solution collected by the collecting tank, the recycling bin is provided with a first glue inlet and a third glue outlet which are communicated with the recycling cavity and the outside, the first glue inlet of the recycling bin is communicated with the second glue outlet of the collecting tank, the glue containing bin is further provided with a second glue inlet communicated with the outside, and the third glue outlet of the recycling bin is communicated with the second glue inlet of the glue containing bin.

Optionally, the first glue inlet of the recycling bin is communicated with the second glue outlet of the collecting tank through a pipeline, and a second driving device is arranged on the pipeline to provide driving force for conveying the residual glue solution in the recycling bin into the recycling bin.

Optionally, a liquid level sensor is arranged on the inner wall of the recovery tank, and the liquid level sensor is provided with an upper limit alarm value and a lower limit alarm value. Optionally, the recycling bin comprises a viscometer and a stirring device, the viscometer is located in the recycling cavity and is configured to detect the viscosity of the residual glue solution in the recycling cavity, the stirring device comprises a stirring assembly and a third driving device, the stirring assembly is inserted into the recycling cavity in the vertical direction in the working state, and the third driving device is configured to drive the stirring assembly to rotate.

Optionally, the stirring assembly comprises a stirring shaft and stirring paddles, the stirring shaft is pivoted in the recycling cavity, the stirring paddles are arranged on the periphery of the stirring shaft and positioned in the recycling cavity, a plurality of discharging holes are formed in the outer surface of the stirring shaft and/or the outer surface of the stirring paddles and are communicated with the cavity arranged in the stirring shaft, or the stirring assembly is a spiral stirrer, a plurality of discharging holes are formed in the surface of the spiral stirrer, and a plurality of discharging holes are communicated with the cavity arranged in the spiral stirrer.

As described above, the glue spreading system of the embodiment of the utility model has the following beneficial effects:

The glue coating system provided by the embodiment of the utility model quantitatively supplies glue to the glue coating device through the gear pump device, so that inaccurate glue supply amount caused by mixed bubbles in the glue solution during glue supply is avoided, the gear pump device has high volumetric efficiency, can accurately control the flow and pressure of the glue solution, has high conveying precision and good sealing performance, can meet the production requirement of high precision, can adapt to the glue solution with higher viscosity, can process the glue solution with larger viscosity range, improves the applicability of the glue coating system to different glue solutions, has simple structure, fewer parts and convenient maintenance, and reduces the failure rate and maintenance cost of the system.

Drawings

Fig. 1 is a schematic structural diagram of a glue application system according to an embodiment of the utility model.

Fig. 2 is a schematic cross-sectional view of a glue container according to an embodiment of the utility model.

Fig. 3 is a schematic top view of a spoiler according to an embodiment of the utility model.

Fig. 4 is a schematic cross-sectional view of a recovery tank in an embodiment of the utility model.

Fig. 5 is a schematic structural view of a case and a display according to an embodiment of the present utility model.

Description of element reference numerals

10. Glue container

11. Glue containing cavity

12. First glue outlet

13. Spoiler plate

14. First upper limit liquid level sensor

15. First lower limit liquid level sensor

16. The second glue inlet

17. Glue containing cover

20. Gear pump

21. Input port

22. Output port

30. Gluing device

40. Collecting tank

41. Second glue outlet

50. Recovery box

51. Recovery cavity

52. First glue inlet

53. Third glue outlet

54. Second upper limit liquid level sensor

55. Second lower limit liquid level sensor

56. Viscometer (viscosimeter)

57. Stirring assembly

571. Stirring shaft

572. Stirring paddle

573. Discharging hole

58. Third driving device

59. Recovery cover

60. Pipeline

71. Second driving device

72. Fourth driving device

80. Box body

90. Display device

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

As described in detail in the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of explanation, and the schematic drawings are only examples, which should not limit the scope of the present utility model.

For ease of description, spatially relative terms such as "under", "below", "beneath", "above", "upper" and the like may be used herein to describe one structure or feature's relationship to another structure or feature as illustrated in the figures. It will be understood that these spatially relative terms are intended to encompass other orientations of the device in use or operation in addition to the orientation depicted in the figures. Furthermore, when a layer is referred to as being "between" two layers, it can be the only layer between the two layers or one or more intervening layers may also be present. As used herein, "between" means including both end values.

In the context of the present application, a structure described as a first feature being "on" a second feature may include embodiments where the first and second features are formed in direct contact, as well as embodiments where additional features are formed between the first and second features, such that the first and second features may not be in direct contact.

Please refer to fig. 1 to 5. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings rather than the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.

For batch gluing of pieces to be glued, the gluing device 30 needs a larger glue outlet amount and cannot cause a glue breaking phenomenon, so that glue needs to be supplied to the gluing device 30 through the glue containing box 10 in time when glue in the gluing device 30 is about to be used up, in the prior art, air pressure is applied to the glue containing box 10 to convey the glue in the glue containing box 10 to the gluing device 30, and bubbles in the glue can cause that the glue outlet amount cannot be accurately controlled through air pressure piston rod type extrusion glue, so that adverse effects are caused on a gluing process.

As shown in fig. 1, the present embodiment provides a glue coating system, which at least includes a glue containing tank 10, a glue coating device 30 and a gear pump device located between the glue containing tank 10 and the glue coating device 30, wherein the glue containing tank 10 has a glue containing cavity 11 therein, the glue containing cavity 11 is configured to contain or be used for containing glue solution, the glue containing tank 10 is provided with a first glue outlet 12 and a vent hole, the glue containing cavity 11 is communicated with the outside, the first glue outlet 12 is configured to discharge glue solution in the glue containing cavity 11 to the outside, the vent hole is configured to communicate air pressure in the glue containing cavity 11 with the outside, so that the glue is in a normal pressure state, and the glue coating device 30 is configured to perform glue coating treatment on a piece to be glued, in this embodiment, the specific structure and glue coating mode of the glue coating device 30 are not limited, and can be set according to practical situations, the piece to be glued is a battery piece, the gear pump device 20 includes an input port 21 and an output port 22, the input port 21 of the gear pump 20 is communicated with the first glue outlet 12 of the glue containing cavity 11, the vent hole is configured to communicate air pressure in the glue containing cavity 11 with the outside, so that the glue is in a constant pressure state with the glue coating device 30, and the glue is quantitatively filled into the glue coating device 30. The glue application system further comprises a control module for controlling the glue tank 10, the glue application device 30 and the gear pump device, so that the whole glue application system is automated.

The glue coating system in the embodiment quantitatively supplies glue in the glue containing box 10 to the glue coating device 30 through the gear pump device so as to avoid inaccurate glue supply amount caused by mixed bubbles in the glue solution during glue supply, has high volumetric efficiency, can accurately control the flow and pressure of the glue solution, has high conveying precision and good sealing performance, can meet the production requirement of high precision, can adapt to the glue solution with higher viscosity, can process the glue solution with larger viscosity range, improves the applicability of the glue coating system to different glue solutions, and has the advantages of simple structure, fewer parts, convenient maintenance and reduced fault rate and maintenance cost of the system.

As shown in fig. 2, in a practical example, the first glue outlet 12 may be located at any position of the glue container 10, so long as the glue can be discharged to the outside while the glue is in communication with the outside. When the first glue outlet 12 is located at the top surface or the upper end of the side wall of the glue containing tank 10, the glue solution surface descends along with the discharge of the glue solution, so that the glue solution cannot be discharged from the glue containing cavity 11 outwards through the first glue outlet 12, a pipeline 60 may be disposed in the glue containing cavity 11, one end of the pipeline 60 is communicated with the first glue outlet 12 in the glue containing cavity 11, the other end of the pipeline 60 is below the glue solution level, preferably, the pipeline 60 is located at the bottom of the glue containing cavity 11 below the glue solution level, and when the first glue outlet 12 is located at the bottom surface or the lower end of the side wall of the glue containing tank 10, the glue solution with any volume in the glue containing cavity 11 can be discharged from the glue containing cavity 11 under the action of gravity in addition to the driving force of the gear pump device, and the position of the first glue outlet 12 may be set according to the actual space requirement in the embodiment without limitation.

The position of the air hole is located above the top surface or the side wall of the glue containing box 10 to ensure that the pressure of the glue containing cavity 11 is the same as the external atmospheric pressure, and the air release in the bubbles in the glue solution is facilitated, if the air hole is located at other positions of the glue containing box 10, the glue solution overflows or the glue containing amount is less, the shape of the air hole can be set according to the actual situation, and the air hole is not limited. In a specific example, a plurality of ventilation holes are formed in the top surface of the glue container 10, wherein the cross-sectional size of one or more ventilation holes is larger than that of the other ventilation holes, so that when the glue solution in the glue container 11 is exhausted, fresh glue solution is poured into the glue container 11. In another specific example, the glue containing cavity 11 is an upper open glue containing cavity 11, that is, the glue containing box 10 is not provided with a top surface, the open glue containing cavity 11 is designed to be breathable, so that bubbles in glue solution can be conveniently discharged, and the glue solution can be conveniently poured into the glue containing cavity 11. In another specific example, the glue containing box 10 is not provided with a top surface, so that the glue containing cavity 11 is an open glue containing cavity 11, the glue containing box 10 further comprises a glue containing cover 17, air holes are formed in the top ends of the side walls of the glue containing box 10 at intervals, sliding grooves are formed in the upper surfaces of the two opposite side walls, corresponding sliding blocks are arranged on the lower surfaces of the glue containing cover 17, the sliding blocks of the glue containing cover 17 can be arranged on the top surface of the glue containing box 10 along the sliding grooves of the glue containing box 10, when glue liquid is required to be poured into the glue containing box 10, the glue containing cover 17 is detached from the glue containing box 10, when the glue liquid is not required to be poured into the glue containing box 10, the glue containing cover 17 is directly arranged on the top surface of the glue containing box 10, dust or other impurities are prevented from entering the glue containing cavity 11, and the air holes can also be directly formed in the glue containing cover 17. The specific structural design may be set according to actual needs, and is not limited herein. It should be noted that the first glue outlet 12 is further provided with a one-way valve, so that glue solution can only be discharged from the inside of the container glue cavity 11 to the outside during glue feeding, and the glue solution is prevented from flowing back.

For the glue coating treatment of the batch glue coating pieces, a plurality of glue coating devices 30 are needed to simultaneously carry out the glue coating treatment on a plurality of glue coating pieces, if one first glue outlet 12 on the glue containing box 10 can only carry out glue supply on one glue coating device 30, a plurality of glue containing boxes 10 are needed, the occupied space is large, a plurality of first glue outlets 12 can be arranged on one glue containing box 10 to solve the problem, each first glue outlet 12 is used for supplying glue for one glue coating device 30, and the glue containing cavity 11 of the glue containing box 10 can contain glue liquid amount for simultaneously supplying glue for a plurality of glue coating devices 30. In order to solve the problem that when glue is supplied to the corresponding glue applying device 30 through the plurality of first glue outlets 12, cross interference and pressure imbalance may occur in glue solution in the glue accommodating cavity 11, specifically, glue solution flows between any adjacent two or more first glue outlets 12 may interfere, resulting in a change in a flow path of the glue solution, even the cross each other, affecting a flow direction and a speed of the glue solution, and meanwhile, the discharged glue solution may also cause pressure imbalance, wherein flow velocity of some first glue outlets 12 may be increased or decreased due to the influence of other first glue outlets 12, as shown in fig. 3, in a practical example, a spoiler 13 is disposed at the bottom of the glue accommodating cavity 11, the spoiler 13 is vertically disposed at the bottom of the glue accommodating cavity 11, a side wall of the spoiler 13 and the bottom of the glue accommodating cavity 11 are combined into a plurality of same upper open cavities, each cavity bottom is provided with the first glue outlets 12, the spoiler is higher than the glue solution 10 in one example, and the spoiler 13 is also higher than the glue accommodating cavity 10 in another example, and the glue solution is not layered in the other glue accommodating cavity 10, so that the glue solution is not layered in the other glue accommodating cavity 10. The spoilers 13 may be disposed in parallel at intervals along the same direction at the bottom of the glue containing cavity 11, or may be disposed in a grid shape at the bottom of the glue containing cavity 11, and the number and arrangement of the spoilers 13 may be set according to actual needs, which is not limited herein.

Glue solution held in the glue holding cavity 11 is supplied to the glue coating device 30, glue is supplied for a long time, the glue solution in the glue holding cavity 11 is used up, the glue solution needs to be poured into the glue holding cavity 11 in time so as to avoid glue supply interruption, in a practical example, the glue holding box 10 can be set to be a transparent box body 80, the volume of the glue solution in the glue holding cavity 11 can be checked at any time from the outside of the glue holding box 10 so as to be convenient for pouring the glue solution into the glue holding box 10 in time, manual observation at any time is needed in the example, time and labor are wasted, and automatic operation of a glue coating system is affected. To solve the above problem, in a practical example, a liquid level sensor is disposed in the glue containing cavity 11, the liquid level sensor is configured to observe a specific volume of the glue solution in the glue containing cavity 11, the liquid level sensor is disposed with an upper limit alarm value and a lower limit alarm value, when the glue solution exceeds the upper limit alarm value, the liquid level sensor sends an alarm, and when the glue solution is lower than the lower limit alarm value, the liquid level sensor also sends an alarm, and meanwhile, the liquid level sensor can display a specific value of the volume of the glue solution in real time, so that the glue solution can be poured into the glue containing cavity 11 in time. In a specific example, an upper limit liquid level warning line is arranged above the side wall of the glue containing cavity 11, a lower limit liquid level warning line is arranged below the side wall of the glue containing cavity 11, a first upper limit liquid level sensor 14 is arranged at the upper limit liquid level warning line, a first lower limit liquid level sensor 15 is arranged at the lower limit liquid level warning line, when glue solution is poured, the first upper limit liquid level sensor 14 gives an alarm when the glue solution approaches or passes through the upper limit liquid level warning line, pouring of the glue solution is stopped in time so as to prevent the glue solution from overflowing from the glue containing box 10, and when the glue solution approaches the lower limit liquid level warning line, the first lower limit liquid level sensor 15 gives an alarm so as to pour the glue solution in time so as to prevent the glue solution in the glue containing cavity 11 from being used up for glue supply interruption. the first upper limit liquid level sensor 14 and the first lower limit liquid level sensor 15 are electrically connected with the control module, so that the system automation is realized. For accurate glue supply for the glue spreading device 30, in a practical example, the gear pump device is adopted for glue supply for the glue spreading device 30, the gear pump device further comprises a first driving device and a universal coupling, the first driving device is a power source of the whole gear pump device and is configured to provide power to drive the gear pump 20 to operate, the first driving device drives the gear pump 20 through the universal coupling, a working end of the first driving device is connected with the universal coupling so as to ensure stable power transmission, and the other end of the universal coupling is connected with the gear pump 20 so as to adjust the rotation angle of the gear pump 20 within a certain range to adapt to different installation requirements and operation conditions of the gear pump 20. Specifically, the first driving device is a servo motor, so that the rotation speed and torque of the gear pump 20 can be accurately controlled, the rotation speed and the glue discharge amount of the gear pump 20 are in a linear relationship, thereby realizing glue flow control and pressure control, being beneficial to improving the working performance and stability of the gear pump 20. The gear pump device further comprises a base, and the gear pump 20, the first driving device and the universal coupling are all arranged on the base. For accurate control gear pump 20's play gum volume, gear pump device still includes the liquid counter, and the liquid counter sets up in gear pump 20's output port 22 to accurate measurement gear pump 20's play gum volume at every turn.

It should be noted that, in this embodiment, the gear pump device is configured to push the glue solution to flow, increase the pressure and adjust the flow rate, so as to achieve accurate transportation of the glue solution in the glue accommodating cavity 11 to the glue applying device 30. The gear pump 20 is any one of the external gear pump 20 and the internal gear pump 20, and may be selected according to actual needs, and is not particularly limited herein. The glue solution generally has a certain viscosity, the gear pump 20 needs to have better sealing performance and stability to prevent leakage and pressure fluctuation, the internal gear pump 20 has a simple structure and better sealing performance, and can meet the discharge requirement of the glue solution, in addition, the internal gear pump 20 has stable flow and smaller pressure fluctuation, and is also beneficial to stable output of the glue solution, and in the example, the internal gear pump 20 is preferably adopted.

In order to solve this problem, as shown in fig. 1, in a practical example, the gluing system further includes a collecting tank 40, where the collecting tank 40 is located below the gluing device 30, and the collecting tank 40 is configured to collect residual glue after the gluing device 30 performs the gluing process on the piece to be glued. In this example, the collection tank 40 is of open construction, with the notch being directed upwards towards the gluing device 30 in the area where the residual glue solution is dripped. The residual glue solution is not polluted, and can be continuously put into use after collection treatment, and the residual glue solution in the collection tank 40 can be recovered. A liquid level sensor is disposed in the collecting tank 40, preferably, the liquid level sensor is disposed near a notch on an inner wall of the collecting tank 40, and when the collecting tank 40 is full of the residual glue solution collected by the collecting tank 40, the liquid level sensor gives an alarm to take out the residual glue solution from the collecting tank 40 for recovery treatment, and the liquid level sensor is electrically connected with the control module.

In order to facilitate the recovery of the residual glue solution in the collecting tank 40, as shown in fig. 1, in one practical example, the collecting tank 40 is provided with a second glue outlet 41 in communication with the outside, and preferably, the bottom or the lower side wall of the collecting tank 40 is provided with the second glue outlet 41. The residual glue solution has increased viscosity due to long-time contact with air, and may be doped with some impurities during the collection process, and the residual glue solution can be recycled after being reprocessed. In one practical example, the gluing system further comprises a recovery tank 50, the recovery chamber 51 having a recovery chamber 51, the recovery chamber 51 being configured to recover the residual glue solution collected in the collection tank 40, the recovery tank 50 being provided with a first glue inlet 52 communicating the recovery chamber 51 with the outside, the first glue inlet 52 of the recovery tank 50 being in communication with the second glue outlet 41 of the collection tank 40.

Specifically, the first glue inlet 52 of the recycling bin 50 is communicated with the second glue outlet 41 of the collecting tank 40 through a pipeline, and a second driving device 71 is arranged on the pipeline to provide driving force for conveying the residual glue solution in the recycling bin into the recycling bin 50, and the second driving device 71 is electrically connected with the control module. The second driving device 71 is not limited in this case, and may be any one of a liquid pump and a negative pressure device as long as it can convey the liquid in the collection tank 40 into the recovery tank 50, and it can be installed according to actual needs. It should be noted that the first glue inlet 52 is further provided with a one-way valve, so that the residual glue solution can only be transported from the collecting tank 40 into the recovery tank 50, and the glue solution is prevented from flowing back. The first glue inlet 52 of the recovery box 50 is further provided with a filtering device to filter the collected residual glue solution, so as to prevent impurities in the residual glue solution from entering the recovery box 50.

In a practical example, a liquid level sensor is also arranged on the inner wall of the recovery tank, the liquid level sensor is configured to observe the specific volume of the glue solution in the recovery cavity, the liquid level sensor is provided with an upper limit alarm value and a lower limit alarm value, when the glue solution exceeds the upper limit alarm value, the liquid level sensor gives an alarm, and when the glue solution is lower than the lower limit alarm value, the liquid level sensor also gives an alarm, and meanwhile, the liquid level sensor can display the specific value of the glue solution volume in real time. In another practical example, as shown in fig. 4, an upper limit liquid level guard line is arranged above the side wall of the collecting cavity, a lower limit liquid level guard line is arranged below the side wall of the collecting cavity, a second upper limit liquid level sensor 54 is arranged at the upper limit liquid level guard line, a second lower limit liquid level sensor 55 is arranged at the lower limit liquid level guard line, when the residual glue solution conveyed from the collecting tank 40 to the recycling tank 50 approaches or passes through the upper limit liquid level guard line, the second upper limit liquid level sensor 54 gives an alarm, the conveying of the residual glue solution is stopped in time so as to prevent the residual glue solution from overflowing from the collecting tank, and when the residual glue solution approaches the lower limit liquid level guard line, the second lower limit liquid level sensor 55 gives an alarm, and the residual glue solution is conveyed in time. The second upper limit liquid level sensor 54 and the second lower limit liquid level sensor 55 are electrically connected with the control module, the second upper limit liquid level sensor 54 and the second lower limit liquid level sensor 55 also need to be mutually associated with the liquid level sensor in the collecting tank 40, and the glue containing amount of the recovery tank 50 is larger than the glue containing amount in the collecting tank 40 so as to avoid the conflict that the residual glue solution is conveyed from the collecting tank 40 to the recovery tank 50, so that the residual glue solution in the recovery tank 50 is too much to be continuously conveyed into the recovery tank 50 by the collecting tank 40.

The recovery tank 50 is configured to recover the residual dope collected by the collection tank 40, as shown in fig. 4, and in one embodiment, the recovery tank 50 includes a viscometer 56, the viscometer 56 being located inside the recovery chamber 51, the viscometer 56 being configured to detect the viscosity of the residual dope in the recovery chamber 51, and when the viscosity of the residual dope is detected to be greater than a prescribed threshold value, a diluent needs to be added to the residual dope to return the viscosity of the dope to the prescribed threshold value. To accelerate the mixing of the residual glue and the diluent, in one practical embodiment, the recovery tank 50 further comprises a stirring device comprising a stirring assembly 57 and a third driving device 58, the stirring assembly 57 being inserted in the vertical direction inside the recovery chamber 51, the third driving device 58 being configured to drive the stirring assembly 57 in rotation. The third drive 58 is not limited in this case, as long as it is sufficient to drive the stirring assembly 57 in rotation, and the third drive 58 is electrically connected to the control module.

As shown in fig. 4, in a practical embodiment, the recovery box 50 has an upper opening structure, a recovery cover 59 is further disposed above the recovery box 50, the size of the recovery cover 59 is matched with the size of the opening of the recovery box 50, the third driving device 58 is located above the recovery cover 59, the stirring assembly 57 is located below the recovery cover 59, and the working end of the third driving device 58 passes through the recovery cover 59 to be connected with the stirring assembly 57. In a practical embodiment, the stirring assembly 57 includes a stirring shaft 571 and a stirring paddle 572, the stirring shaft 571 is pivoted to the central line of the recovery cavity 51, the stirring paddles 572 are disposed on the circumferential side of the stirring shaft 571 and located inside the recovery cavity 51, the outer surface of the stirring shaft 571 is provided with a plurality of discharge holes 573, or the outer surface of the stirring paddle 572 is provided with a plurality of discharge holes 573, or the outer surfaces of the stirring shaft 571 and the stirring paddle 572 are both provided with a plurality of discharge holes 573, the plurality of discharge holes 573 are communicated with a cavity disposed inside the stirring shaft 571, and in order to facilitate the addition of the diluent into the residual glue solution, the cavity inside the stirring shaft 571 is configured to hold the diluent, and the discharge holes are used for releasing the diluent in the cavity, that is, the recovery cover 59 needs to be lifted each time the diluent is added. Here, a feeding port is further disposed above the stirring shaft 571, so that the diluent is conveniently injected into the stirring shaft 571, specifically, the feeding port is located above the collecting cover, or when the feeding port is located below the collecting cover, one end of the feeding port is communicated with the feeding port through the pipeline 60, and the other end of the feeding port is disposed outside the collecting box.

In another embodiment, the stirring assembly 57 is a helical stirrer, the surface of which is provided with a plurality of discharge holes 573, the plurality of discharge holes 573 being in communication with a cavity provided inside the helical stirrer, the cavity inside the helical stirrer being configured to hold the diluent for facilitating the addition of the diluent to the residual glue, the discharge holes 573 being configured to release the diluent in the cavity, i.e. avoiding the need to lift the recovery cap 59 each time the diluent is added. It should be noted that, the feeding port is further disposed above the spiral stirrer, so that the diluent is conveniently injected into the spiral stirrer, specifically, the feeding port is located above the collecting cover, or when the feeding port is located below the collecting cover, one end of the feeding port is communicated with the feeding port through the pipeline 60, and the other end of the feeding port is disposed outside the collecting box.

After the residual glue solution in the collection box is processed, the residual glue solution can be put into the glue containing box 10 again for use, as shown in fig. 4, in a practical example, the glue containing box 10 is further provided with a second glue inlet 16 communicated with the outside, and the recovery box 50 is provided with a third glue outlet 53 communicated with the outside. Preferably, the third glue outlet 53 of the recycling bin 50 is located below the side wall of the recycling bin 50, and the second glue inlet 16 of the glue containing bin 10 is located below the side wall of the glue containing bin 10. It should be noted that the second glue inlet 16 of the glue container 10 and the third glue outlet 53 of the recovery box 50 are both provided with check valves, so that glue solution can only be delivered into the glue container 10 from the recovery box 50 to avoid backflow of the glue solution, and when the glue container 10 supplies glue to the glue applying device 30, the second glue inlet needs to be closed by the check valves to place the glue cavity 11 in a closed environment to cooperate with the gear pump device for glue supplying operation.

In one example, the glue containing tank 10 and the recycling tank 50 are two independent tank bodies 80, the second glue inlet 16 on the glue containing tank 10 and the third glue outlet 53 of the recycling tank 50 are communicated through pipelines, and a fourth driving device 72 is arranged between the pipelines so as to convey the residual glue solution in the recycling device into the glue containing tank 10 for reuse after recycling. In another example, the glue containing tank 10 and the recycling tank 50 share one cavity, and the cavity is divided into two independent cavities by a partition plate, one is defined as a glue containing cavity 11, the other is defined as a recycling cavity 51, and the second glue inlet 16 and the third glue outlet 53 are the same inlet and outlet on the partition plate.

As shown in fig. 5, in a practical example, the glue spreading device 30 further includes a box 80, three continuous spaces are provided in the box 80, a circuit of a control module is sequentially disposed in the box 80, the glue containing box 10 and the recycling box 50 are disposed in the box 80, the space occupied by the glue containing box 10 and the recycling box 50 is saved, and the glue spreading device 30 further includes a display 90 disposed above the box 80, and the display 90 is electrically connected with the control module to display various parameters involved in the operation of the glue spreading device 30.

In the embodiment, the specific working process of the gluing system is that a one-way valve at a first glue outlet 12 of a glue containing tank 10 is opened, a first driving device is started, a gear pump device quantitatively conveys glue liquid into a glue coating device 30 from a glue containing cavity 11 of the glue containing tank 10, the first driving device is closed, the glue coating device 30 carries out gluing treatment on a piece to be glued, when the glue coating treatment is carried out, part of glue liquid drops into a collecting tank 40 below the glue coating device 30, when the residual glue liquid in the collecting tank 40 reaches a preset containing amount, a one-way valve at a second glue outlet 41 of the collecting tank 40 and a first glue inlet 52 of a recycling tank 50 is opened, a second driving device 71 is started, the second driving device 71 conveys the residual glue liquid in the collecting tank 40 into a recycling cavity 51 of the recycling tank 50 through a pipeline, impurities in the residual glue liquid are filtered through a filtering device in the conveying process, a viscosity meter 56 is used for detecting the viscosity of the residual glue liquid in the recycling cavity 51, when the viscosity of the glue liquid reaches a preset containing amount, and when the viscosity of the required glue liquid reaches a preset containing amount, the diluent is calculated through a control device, and the diluent is used for detecting the viscosity of the required diluent in the recycling tank 50, and the glue liquid can be conveyed to the recycling cavity 50 through a third diluent tank 50, and the diluent can be conveyed to the recycling tank 50 after the diluent is processed through the second diluent tank and the diluent can be conveyed to the diluent tank and the diluent tank 50.

In summary, the embodiment of the utility model provides a gluing system, which comprises a glue containing box 10, wherein a glue containing cavity 11 is arranged in the glue containing box 10, the glue containing cavity 11 is configured to contain or is used for containing glue solution, the glue containing box 10 is provided with a first glue outlet 12 and a vent hole which are used for communicating the glue containing cavity 11 with the outside, a gluing device 30, the gluing device 30 is configured to glue a piece to be glued, a gear pump device, the gear pump device comprises a gear pump 20, the gear pump 20 comprises an input port 21 and an output port 22, the input port 21 is communicated with the first glue outlet 12, and the output port 22 is communicated with the gluing device 30. The glue coating system provided by the embodiment of the utility model quantitatively supplies glue in the glue containing box 10 to the glue coating device 30 through the gear pump device so as to avoid inaccurate glue supply amount caused by mixed bubbles in the glue solution during glue supply, has high volumetric efficiency, can accurately control the flow and pressure of the glue solution, has high conveying precision and good sealing performance, can meet the production requirement of high precision, can adapt to glue solution with higher viscosity, can process glue solution with larger viscosity range, improves the applicability of the glue coating system to different glue solutions, has simple structure, fewer parts and convenient maintenance, and reduces the failure rate and maintenance cost of the system. Therefore, the utility model effectively overcomes part of the defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. A glue application system, the glue application system comprising:

The glue containing box is internally provided with a glue containing cavity, the glue containing cavity is configured to contain or is used for containing glue solution, and the glue containing box is provided with a first glue outlet and a vent hole which are used for communicating the glue containing cavity with the outside;

The gluing device is configured to glue the piece to be glued;

The gear pump device comprises a gear pump, the gear pump comprises an input port and an output port, the input port is communicated with the first glue outlet, and the output port is communicated with the glue spreading device.

2. The gluing system of claim 1, wherein the glue containing cavity is an upper opening glue containing cavity, a spoiler is arranged at the bottom of the glue containing cavity, the side wall of the spoiler and the bottom of the glue containing cavity are combined into a plurality of upper opening cavities with the same space, and the bottom of each cavity is provided with the first glue outlet.

3. The gluing system of claim 1, wherein a liquid level sensor is arranged on the inner wall of the glue container, and the liquid level sensor is provided with upper and lower limit alarm values.

4. The glue spreading system of claim 1, wherein the gear pump device further comprises a first drive device, a universal coupling, a base, and a liquid meter, wherein the first drive device drives the gear pump via the universal coupling, wherein the gear pump, the first drive device, and the universal coupling are all disposed on the base, wherein the liquid meter is disposed at the output port of the gear pump, and wherein the gear pump is an external gear pump or an internal gear pump.

5. The gluing system according to claim 1, further comprising a collecting tank, the collecting tank being located below the gluing device, the collecting tank being configured to collect residual glue solution after the gluing device has performed a gluing treatment on a piece to be glued, a liquid level sensor being provided inside the collecting tank, and a second glue outlet being provided on the collecting tank and being in communication with the outside.

6. The gluing system of claim 5, further comprising a recovery tank having a recovery cavity configured to recover the residual glue collected by the collection tank, the recovery tank being provided with a first glue inlet and a third glue outlet communicating the recovery cavity with the outside, the first glue inlet of the recovery tank being in communication with the second glue outlet of the collection tank, the glue container being further provided with a second glue inlet in communication with the outside, the third glue outlet of the recovery tank being in communication with the second glue inlet of the glue container.

7. The gluing system of claim 6, wherein the first glue inlet of the recovery tank is in communication with the second glue outlet of the collection tank via a conduit, and a second driving device is provided on the conduit to provide a driving force for the residual glue in the recovery tank to be transferred into the recovery tank.

8. The gluing system of claim 6, wherein a liquid level sensor is provided on the inner wall of the recovery tank, and wherein the liquid level sensor is provided with upper and lower limit alarm values.

9. The gluing system of claim 6, wherein the recovery tank comprises a viscometer and a stirring device, wherein the viscometer is positioned inside the recovery cavity and is configured to detect the viscosity of the residual glue solution in the recovery cavity, the stirring device comprises a stirring assembly and a third driving device, and in an operating state, the stirring assembly is inserted into the recovery cavity in the vertical direction, and the third driving device is configured to drive the stirring assembly to rotate.

10. The gluing system of claim 9, wherein the stirring assembly comprises a stirring shaft and stirring paddles, the stirring shaft is pivoted in the recycling cavity, the stirring paddles are arranged on the periphery of the stirring shaft and positioned in the recycling cavity, a plurality of discharging holes are formed in the outer surface of the stirring shaft and/or the stirring paddles and are communicated with the cavity arranged in the stirring shaft, or the stirring assembly is a spiral stirrer, a plurality of discharging holes are formed in the surface of the spiral stirrer and are communicated with the cavity arranged in the spiral stirrer.