Solvent supplementing device and feeding system

Abstract

The embodiment of the utility model relates to the technical field of glue coating, in particular to a solvent supplementing device and a feeding system.The solvent supplementing device comprises a liquid storage barrel, a viscometer and a liquid supplementing piece, the liquid storage barrel is provided with a containing cavity, a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are respectively communicated with the containing cavity; one end of the viscometer is arranged in the liquid storage barrel, the other end of the viscometer extends into the accommodating cavity, and the viscometer is used for detecting the viscosity of the liquid in the accommodating cavity; the liquid supplementing part is arranged in the liquid storage barrel and provided with a containing cavity and a liquid supplementing opening, and the liquid supplementing opening communicates with the containing cavity and the containing cavity and is used for supplementing the solvent in the containing cavity into the liquid in the containing cavity. According to the embodiment of the utility model, the solvent can be supplemented to the glue liquid in the liquid storage barrel through the liquid supplementing piece, so that the viscosity change of the glue liquid can be within a controllable range, and the possibility that the viscosity of the glue liquid is higher and higher is reduced.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to glue coating technical field, in particular to a kind of solvent replenishing device and feed system. BACKGROUND

[0002] In the pressure-sensitive adhesive coating industry, during the coating process of pressure-sensitive adhesive glue, the glue liquid in the coating process, with the use of glue, the viscosity of glue increases due to the volatilization of solvent, resulting in poor coating and poor coating appearance leveling, and due to the thickening of glue viscosity, the amount of glue transfer changes, resulting in abnormal coating thickness of coating product, affecting the adhesion quality of pressure-sensitive adhesive product. At the same time, as the viscosity of glue is higher and higher, the coating roller becomes blocked, and it is necessary to stop and clean the coating roller, which wastes time and cleaning solvent. CONTENT OF UTILITY MODEL

[0003] In view of the above problems, the utility model embodiment provides a kind of solvent replenishing device and feed system, overcome the above problems or at least partially solve the above problems.

[0004] According to one aspect of the embodiment of the utility model, a kind of solvent replenishing device is provided, including liquid storage barrel, viscometer and liquid supplementing piece, liquid storage barrel is provided with containing cavity, liquid inlet and liquid outlet, the liquid inlet and the liquid outlet are communicated with the containing cavity respectively;The one end of the viscometer is set to the liquid storage barrel, the other end of the viscometer is inserted into the containing cavity, and the viscometer is used to detect the viscosity of liquid in the containing cavity;Liquid supplementing piece is arranged in the liquid storage barrel, and the liquid supplementing piece is provided with receiving cavity and liquid supplementing port, the liquid supplementing port is communicated with the receiving cavity and the containing cavity respectively, and the liquid supplementing port is used to supplement the solvent in the receiving cavity to the liquid in the containing cavity.

[0005] In some embodiments, the liquid supplementing piece further includes a knob switch arranged at the liquid supplementing port, and the knob switch is used to regulate the opening degree of the liquid supplementing port.

[0006] In some embodiments, the knob switch includes a piston, a connecting rod and a knob, the piston is arranged at the liquid supplementing port, the piston is used to close the liquid supplementing port, one end of the connecting rod is fixed to the piston, the other end of the connecting rod is fixed to the knob, and the knob is rotationally connected to the liquid supplementing piece;Wherein, when the knob rotates, the connecting rod drives the piston to move, so as to regulate the closing degree of the piston and the liquid supplementing port, and further regulate the opening degree of the liquid supplementing port.

[0007] In some embodiments, the liquid storage barrel includes a barrel body and a barrel cover arranged on the barrel body, the barrel body and the barrel cover jointly enclose the containing cavity, and the side wall of the barrel body is provided with the liquid inlet and the liquid outlet.

[0008] In some embodiments, the liquid inlet and the liquid outlet are arranged at intervals, and the liquid inlet is closer to the lid than the liquid outlet in the direction from the barrel to the lid; and / or, one end of the viscometer is arranged at the lid; and / or, the liquid supplementing member is arranged at the lid.

[0009] In some embodiments, the solvent supplementing device further comprises a stirring paddle, one end of the stirring paddle is arranged at the liquid storage barrel, and the other end of the stirring paddle extends into the containing cavity.

[0010] In some embodiments, the stirring paddle is offset from the center of the liquid storage barrel in the direction from the top to the bottom of the liquid storage barrel, the viscometer and the stirring paddle are arranged at intervals, and the viscometer is closer to the side wall of the liquid storage barrel than the stirring paddle.

[0011] In some embodiments, the solvent supplementing device further comprises a buckle member and a fixing member, the buckle member is buckled to the top of the liquid storage barrel, one end of the viscometer is provided with a first opening, the buckle member is provided with a second opening, one end of the fixing member passes through the first opening and is fixed to the second opening, and the other end of the fixing member abuts against the viscometer.

[0012] In some embodiments, the material of the liquid storage barrel comprises stainless steel; and / or, the material of the other end of the viscometer comprises stainless steel; and / or, the material of the liquid supplementing member comprises transparent material.

[0013] According to an aspect of the embodiment of the present application, a kind of supply system is provided, comprising the solvent supplementing device described above.

[0014] The embodiment of the utility model has the advantages that unlike the prior art, the solvent supplementing device provided by the embodiment of the utility model comprises a liquid storage barrel, a viscometer and a liquid supplementing part, the liquid storage barrel is provided with a containing cavity, a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are respectively connected to the containing cavity, one end of the viscometer is arranged in the liquid storage barrel, the other end of the viscometer extends into the containing cavity, and the viscometer is used for detecting the viscosity of the liquid in the containing cavity; the liquid supplementing part is arranged in the liquid storage barrel, the liquid supplementing part is provided with a receiving cavity and a liquid supplementing opening, the liquid supplementing opening is respectively connected to the receiving cavity and the containing cavity, and the liquid supplementing opening is used for supplementing the solvent in the receiving cavity to the liquid in the containing cavity. The glue liquid flowing back to the liquid storage barrel from the liquid inlet is easy to volatilize the solvent, and the viscosity of the glue liquid is increased with time, the viscosity of the glue liquid can be obtained in real time by the viscometer, when the viscosity of the glue liquid is increased, the solvent can be added to the glue liquid in the liquid storage barrel by the liquid supplementing part, the viscosity change of the glue liquid can be within a controllable range, the possibility that the viscosity of the glue liquid is increasingly high can be reduced, the uniformity and continuity of glue liquid coating can be improved, the coating defect of the glue liquid can be reduced, the yield and production efficiency of products can be improved, and the possibility that the coating roller is blocked can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment of the utility model, and obviously, the following described drawings are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the drawings without creating labor.

[0016] Figure 1 It is the structure schematic view of the solvent supplementing device provided by the embodiment of the application.

[0017] The reference numerals in the specific embodiment are as follows:

[0018] 100, solvent supplementing device, 1, liquid storage barrel, 1a, containing cavity, 1b, liquid inlet, 1c, liquid outlet, 11, barrel body, 111, side wall, 12, barrel cover, 2, viscometer, 21, support, 22, rotor, 3, liquid supplementing part, 31, receiving cavity, 32, liquid supplementing opening, 33, knob switch, 4, stirring paddle, 41, fixing frame, 42, paddle blade, 5, buckle part, 6, fixing part. Specific embodiment

[0019] For the convenience of understanding the utility model, the utility model will be explained in more detail below in combination with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on another element or one or more intervening elements can exist therebetween. When an element is described as "connected" to another element, it can be directly connected to another element or one or more intervening elements can exist therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in the specification are only for the purpose of illustration.

[0020] Unless otherwise defined, all technical and scientific terms used in the specification are intended to have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments and are not intended to limit the utility model. The term "and / or" used in the specification includes any and all combinations of one or more related listed items.

[0021] In the pressure-sensitive adhesive coating industry, during the pressure-sensitive adhesive coating process, the glue liquid in the coating process, with the use of glue, the glue viscosity becomes higher due to the volatilization of the solvent, resulting in poor coating and poor coating appearance leveling, and due to the change of the glue transfer amount caused by the thickening of the glue viscosity, the coating thickness of the coating product is abnormal, which affects the adhesion quality of the pressure-sensitive adhesive product. At the same time, due to the increasing viscosity of the glue, the coating roller becomes blocked, and it is necessary to stop the machine to clean the coating roller, which wastes time and cleaning solvent.

[0022] The viscosity of the glue liquid can be obtained in real time by the viscometer, and when the viscosity of the glue liquid increases, the solvent can be added to the glue liquid in the liquid storage barrel through the liquid supplementing element, so that the viscosity change of the glue liquid can be within a controllable range, which is beneficial to reduce the possibility of increasing the viscosity of the glue liquid.

[0023] In order to facilitate the reader to understand the inventive concept of the utility model, the specific structure of the solvent supplementing device is described as follows:

[0024] Please refer to Figure 1The solvent supplement device 100 comprises a liquid storage barrel 1, a viscometer 2 and a liquid supplement member 3. The liquid storage barrel 1 is provided with a containing cavity 1a, a liquid inlet 1b and a liquid outlet 1c. The liquid inlet 1b and the liquid outlet 1c are respectively communicated with the containing cavity 1a. The containing cavity 1a is used for containing the glue liquid flowing back from the liquid inlet 1b. The glue liquid in the containing cavity 1a can be conveyed to the coating device from the liquid outlet 1c. One end of the viscometer 2 is arranged on the liquid storage barrel 1, and the other end of the viscometer 2 extends into the containing cavity 1a. The viscometer 2 is used for detecting the viscosity of the liquid in the containing cavity 1a. The liquid supplement member 3 is arranged on the liquid storage barrel 1. The liquid supplement member 3 is provided with a receiving cavity 31 and a liquid supplement opening 32. The liquid supplement opening 32 is respectively communicated with the receiving cavity 31 and the containing cavity 1a. The receiving cavity 31 is used for containing the solvent. The liquid supplement opening 32 is used for supplementing the solvent in the receiving cavity 31 to the liquid in the containing cavity 1a. The glue liquid flowing back to the liquid storage barrel 1 from the liquid inlet 1b is easy to volatilize the solvent with the extension of time, and the viscosity of the glue liquid will increase. The viscosity of the glue liquid can be obtained in real time by the viscometer 2. When the viscosity of the glue liquid increases, the glue liquid in the liquid storage barrel 1 can be supplemented with the solvent by the liquid supplement member 3. The viscosity change of the glue liquid can be within a controllable range, which is beneficial to reduce the possibility that the viscosity of the glue liquid is getting higher and higher, thereby being beneficial to improve the uniformity and continuity of the glue liquid coating, being beneficial to reduce the glue liquid coating defects, being beneficial to improve the yield and production efficiency of products, and being beneficial to reduce the possibility that the coating roller is blocked, thereby being beneficial to reduce the cost of cleaning the coating roller.

[0025] In some embodiments, the liquid storage barrel 1 comprises a barrel body 11 and a barrel cover 12 arranged on the barrel body 11. The barrel body 11 and the barrel cover 12 jointly enclose the containing cavity 1a, which is beneficial to improve the convenience of installation, disassembly and cleaning of the liquid storage barrel 1. The side wall 111 of the barrel body 11 is provided with the liquid inlet 1b and the liquid outlet 1c.

[0026] In some embodiments, the liquid inlet 1b and the liquid outlet 1c are arranged at intervals. In the direction of the barrel cover 12 to the barrel body 11 (the first direction X), the liquid inlet 1b is closer to the barrel cover 12 than the liquid outlet 1c. The barrel cover 12 is located at the top of the liquid storage barrel 1. The liquid inlet 1b is close to the barrel cover 12, that is, the liquid inlet 1b is located at the top of the barrel body 11. The liquid inlet 1b can be located on the liquid surface of the glue liquid in the barrel body 11, which is beneficial to reduce the possibility of liquid overflowing from the liquid inlet 1b. The liquid outlet 1c is away from the barrel cover 12, that is, the liquid outlet 1c is located at the bottom of the barrel body 11. The liquid outlet 1c can be located below the liquid surface of the glue liquid in the barrel body 11, which is beneficial to the glue liquid in the barrel body 11 flowing out of the liquid outlet 1c.

[0027] In some embodiments, the material of the liquid storage barrel 1 comprises stainless steel, which is beneficial to improve the convenience of cleaning the liquid storage barrel 1. In some embodiments, the material of the barrel body 11 comprises stainless steel, and the material of the barrel cover 12 comprises stainless steel.

[0028] In some embodiments, the liquid supplement 3 is arranged on the barrel cover 12, and the liquid supplement 3 can be first installed on the barrel cover 12 and then installed on the barrel body 11 through the barrel cover 12. The liquid supplement 3 further comprises a rotary knob switch 33 arranged on the liquid supplement opening 32, and the rotary knob switch 33 is used to control the opening degree of the liquid supplement opening 32. By controlling the opening degree of the liquid supplement opening 32, the flow rate of the solvent at the liquid supplement opening 32 can be controlled, which is conducive to further controlling the viscosity of the glue liquid of the liquid storage barrel 1.

[0029] In some embodiments, the rotary knob switch 33 comprises a piston, a connecting rod and a rotary knob. The piston is arranged on the liquid supplement opening 32 and is used to close the liquid supplement opening 32. One end of the connecting rod is fixed to the piston, and the other end of the connecting rod is fixed to the rotary knob. The rotary knob is rotationally connected to the liquid supplement 3. When the rotary knob is rotated, the rotary knob can drive the connecting rod to move, and the connecting rod can drive the piston to move, so as to control the closing degree of the piston and the liquid supplement opening 32, and further control the opening degree of the liquid supplement opening 32.

[0030] In some embodiments, the liquid supplement 3 can be a pipette funnel, a separatory funnel or a dropping funnel, which is conducive to reducing the manufacturing cost of the liquid supplement 3. In some embodiments, the material of the liquid supplement 3 comprises a transparent material, which can be glass, plastic or crystal, which is conducive to the user to observe the content of the solvent in the liquid supplement 3. When the content of the solvent in the liquid supplement 3 is low, the user can add solvent to the liquid supplement 3.

[0031] In some embodiments, one end of the viscometer 2 is arranged on the barrel cover 12. In some embodiments, the viscometer 2 comprises a bracket 21 and a rotor 22. One end of the bracket 21 is arranged on the barrel cover 12, and the other end of the bracket 21 extends into the containing cavity 1a and is connected to the rotor 22. The rotor 22 detects the viscosity of the glue liquid by rotating in the glue liquid in the containing cavity 1a. In some embodiments, the viscometer 2 further comprises a display arranged on the bracket 21. The display is electrically connected to the rotor 22, and the display is used to display the viscosity value detected by the rotor 22, which is conducive to the user to observe.

[0032] In some embodiments, the material of the other end of the viscometer 2 comprises stainless steel. The materials of the bracket 21 and the rotor 22 comprise stainless steel, which is conducive to improving the convenience of cleaning and wiping the bracket 21 and the rotor 22.

[0033] In some embodiments, the solvent supplementing device 100 further comprises a buckle 5 and a fixing member 6. The buckle 5 is clamped to the top of the liquid storage barrel 1. One end of the viscometer 2 is provided with a first opening, and the buckle 5 is provided with a second opening. One end of the fixing member 6 passes through the first opening and is fixed to the second opening, and the other end of the fixing member 6 abuts against the viscometer 2. The viscometer 2 can be fixed to the liquid storage barrel 1 through the buckle 5 and the fixing member 6, which is conducive to improving the convenience of installing and dismounting the viscometer 2.

[0034] In some embodiments, the bucket cover 12 is provided with a third opening, the buckle 5 is clamped in the third opening, the bracket 21 is provided with a first opening, the third opening, the second opening and the first opening correspond to each other, the fixing part 6 comprises a fastening part and an abutting part connected to each other, the fastening part is provided with a thread, the second opening is a threaded hole, the fastening part is screwed through the first opening to the second opening, the part of the fastening part beyond the second opening is accommodated in the third opening, and the abutting part abuts against the bracket 21. The bracket 21 can be detachably mounted on the bucket cover 12 through the buckle 5 and the fixing part 6, which is conducive to improving the convenience of mounting and dismounting between the bracket 21 and the bucket cover 12. In some embodiments, the buckle 5 can be a nut buckle, and the fixing part 6 can be a bolt or a screw.

[0035] In some embodiments, the solvent supplementing device 100 further comprises a stirring paddle 4, one end of the stirring paddle 4 is arranged in the liquid storage bucket 1, the other end of the stirring paddle 4 extends into the containing cavity 1a, and the stirring paddle 4 is used for stirring the glue liquid in the containing cavity 1a, which is conducive to improving the uniformity of the glue liquid. In some embodiments, the stirring paddle 4 comprises a fixing frame 41 and a paddle blade 42 connected to each other, one end of the fixing frame 41 is arranged on the bucket cover 12, the other end of the fixing frame 41 extends into the containing cavity 1a and is connected to the paddle blade 42, and the stirring paddle 4 can be first mounted on the bucket cover 12 and then mounted on the bucket body 11 through the bucket cover 12. In some embodiments, the material of the stirring paddle 4 can be stainless steel, which is conducive to improving the convenience of cleaning and wiping the stirring paddle.

[0036] In some embodiments, as viewed from the top to the bottom of the liquid storage bucket 1, the stirring paddle 4 deviates from the center of the liquid storage bucket 1, which is conducive to forming up-and-down reciprocating vortex motion of the liquid in the process of stirring the glue liquid in the liquid storage bucket 1, and the glue is not easy to form skin gel on the edge. As viewed from the top to the bottom of the liquid storage bucket 1, the viscometer 2 and the stirring paddle 4 are arranged at intervals, and the viscometer 2 is closer to the side wall 111 of the liquid storage bucket 1 than the stirring paddle 4, which is conducive to reducing the possibility of the viscometer 2 scratching the stirring paddle.

[0037] In some embodiments, the solvent supplementing device 100 further comprises a controller arranged on the liquid storage bucket 1, the controller is electrically connected to the viscometer 2, the liquid supplementing part 3 and the stirring paddle respectively, the controller can accept the viscosity value tested by the viscometer 2 and control the rotary knob switch 33 of the liquid supplementing part 3, when the viscosity of the glue liquid in the liquid storage bucket 1 rises, the controller can control the rotary knob switch 33 to open, and the solvent in the liquid supplementing part 3 can flow into the glue liquid in the liquid storage bucket 1 from the liquid supplementing opening 32, thereby reducing the viscosity of the glue liquid in the liquid storage bucket 1, which is conducive to automatically supplementing the solvent from the liquid supplementing part 3 to the liquid storage bucket 1. The controller can also control the start and stop of the stirring paddle. The controller can be S7-200 series or S7-300 series of Siemens PLC, or Mitsubishi PLC or Omron PLC.

[0038] In the embodiment of the present application, the solvent supplementing device 100 comprises a liquid storage barrel 1, a viscometer 2 and a liquid supplementing part 3, the viscosity of the glue liquid can be obtained in real time through the viscometer 2, when the viscosity of the glue liquid increases, the liquid supplementing part 3 can supplement solvent to the glue liquid in the liquid storage barrel 1, so that the viscosity change of the glue liquid can be within a controllable range, which is beneficial to reduce the possibility of increasing viscosity of the glue liquid, thereby being beneficial to improve the uniformity and continuity of the glue liquid coating, being beneficial to reduce the coating defects of the glue liquid, being beneficial to improve the yield and production efficiency of products, and being beneficial to reduce the possibility of the coating roller being blocked, and further being beneficial to reduce the cost of cleaning the coating roller.

[0039] The utility model further provides a kind of feeding system embodiment, the feeding system includes above-mentioned solvent supplementing device 100, for the function and structure of solvent supplementing device 100 can refer to above-mentioned embodiment, here no longer one by one elaboration.

[0040] It should be noted that the present application provides a preferred embodiment of the present application in the specification and drawings thereof, but the present application can be realized by many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not as additional limitation to the content of the present application, and the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.Under the above, each technical feature continues to combine, forms various embodiments not listed above, and is regarded as the range of the present application described in the specification;Further, for those skilled in the art, the above description can be improved or changed, and all these improvements and changes should belong to the protection scope of the appended claims of the present application.

Claims

1. A solvent replenishment device, characterized in that, include: A liquid storage tank is provided with a receiving cavity, a liquid inlet and a liquid outlet, wherein the liquid inlet and the liquid outlet are respectively connected to the receiving cavity; A viscometer, one end of which is disposed in the liquid storage tank and the other end of which extends into the receiving cavity, the viscometer being used to detect the viscosity of the liquid in the receiving cavity; A replenishing component is disposed in the liquid storage tank. The replenishing component is provided with a receiving cavity and a replenishing port. The replenishing port is connected to the receiving cavity and the receiving cavity respectively. The replenishing port is used to replenish the solvent in the receiving cavity to the liquid in the receiving cavity.

2. The solvent replenishment device according to claim 1, characterized in that, The fluid replenishment device also includes a rotary switch disposed at the fluid replenishment port, the rotary switch being used to adjust the opening degree of the fluid replenishment port.

3. The solvent replenishment device according to claim 2, characterized in that, The rotary switch includes a piston, a connecting rod, and a knob. The piston is disposed at the liquid inlet and is used to close the liquid inlet. One end of the connecting rod is fixed to the piston, and the other end of the connecting rod is fixed to the knob. The knob is rotatably connected to the liquid replenishment component. When the knob is turned, the connecting rod drives the piston to move, thereby controlling the degree of closure between the piston and the fluid inlet, and thus controlling the degree of opening of the fluid inlet.

4. The solvent replenishment device according to claim 1, characterized in that, The storage tank includes a tank body and a lid covering the tank body. The tank body and the lid together form the receiving cavity. The side wall of the tank body is provided with the liquid inlet and the liquid outlet.

5. The solvent replenishment device according to claim 4, characterized in that, The inlet and outlet are spaced apart, and in the direction from the lid to the body of the bucket, the inlet is closer to the lid than the outlet. And / or, One end of the viscometer is attached to the bucket lid; And / or, The liquid replenishment component is located on the bucket lid.

6. The solvent replenishment device according to claim 1, characterized in that, The solvent replenishment device also includes a stirring paddle, one end of which is disposed in the liquid storage tank and the other end of which extends into the receiving cavity.

7. The solvent replenishment device according to claim 6, characterized in that, Viewed from the top to the bottom of the storage tank, the agitator is off-center from the center of the storage tank, the viscometer and the agitator are spaced apart, and the viscometer is closer to the side wall of the storage tank than the agitator.

8. The solvent replenishment device according to claim 1, characterized in that, The solvent replenishment device also includes a snap fastener and a fixing member. The snap fastener is snapped onto the top of the liquid storage tank. One end of the viscometer is provided with a first opening. The snap fastener is provided with a second opening. One end of the fixing member passes through the first opening and is fixed to the second opening. The other end of the fixing member abuts against the viscometer.

9. The solvent replenishment device according to any one of claims 1-8, characterized in that, The liquid storage tank is made of stainless steel; and / or, the other end of the viscometer is made of stainless steel; and / or, the replenishment component is made of transparent material.

10. A feeding system, characterized in that, Includes the solvent replenishment device as described in any one of claims 1-9.

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