阅读说明：本技术 一种卷烟机压力罐供墨装置及其工作方法 (Ink supply device for pressure tank of cigarette making machine and working method thereof ) 是由 郭红广 马万强 赵衡 范长宾 宋磊 马洪明 李瑞平 王金晨 姜冬子 平峻峰 马云 于 2021-09-22 设计创作，主要内容包括：本发明提供了一种卷烟机压力罐供墨装置及其工作方法,包括供墨组件、过滤组件和称重组件和分析预警组件,通过设置压力罐,并在压力罐内部设置储墨罐,对外接口少,减少了出现漏墨的情况,避免造成设备及烟支产品的脏污,更换油墨时只需对压力罐泄压后打开压力罐进行油墨添加,更换过程无需工具,同时设置称重组件和分析预警组件对储墨罐内部的油墨量进行实时检测,在储墨罐内部的油墨余量低于预设值时,提醒工作人员进行更换,解决了目前大油墨装置及小油墨装置存在的漏墨、无法预警、不易更换等问题,有效保障了设备的保养清洁及产品外观质量,能够提升设备生产效率,减少油墨浪费。(The invention provides an ink supply device of a pressure tank of a cigarette making machine and a working method thereof, the ink supply device comprises an ink supply assembly, a filtering assembly, a weighing assembly and an analysis early warning assembly, the pressure tank is arranged, an ink storage tank is arranged in the pressure tank, external ports are few, the ink leakage situation is reduced, the contamination of equipment and cigarette products is avoided, the pressure tank is opened after the pressure of the pressure tank is released when ink is replaced, tools are not needed in the replacement process, the weighing assembly and the analysis early warning assembly are arranged to detect the ink amount in the ink storage tank in real time, when the ink allowance in the ink storage tank is lower than a preset value, a worker is reminded to replace, the problems of ink leakage, incapability of early warning, difficulty in replacement and the like existing in the large ink device and the small ink device are solved, the maintenance cleanness of the equipment and the appearance quality of products are effectively guaranteed, and the production efficiency of the equipment can be improved, and the waste of ink is reduced.)

1. The utility model provides a cigarette machine pressure tank ink feed mechanism which characterized in that includes:

the ink supply device comprises an ink supply assembly (10), wherein the ink supply assembly (10) comprises a pressure tank (11), a sealing ring (12), a clamp (13), an exhaust valve (14), an air inlet valve (15), an ink storage tank (16) and an ink conveying pipe (17);

wherein, the pressure tank (11) comprises an upper tank body (111) and a lower tank body (112), the upper tank body (111) is arranged at the top of the lower tank body (112), a first annular groove (1111) is arranged at the bottom of the upper tank body (111), a second annular groove (1121) is arranged at the bottom of the lower tank body (112), the sealing ring (12) is respectively arranged inside the first annular groove (1111) and the second annular groove (1121), the bottom edge of the upper tank body (111) is outwards turned, the top edge of the lower tank body (112) is outwards turned, the bottom of the upper tank body (111) is buckled with the top of the lower tank body (112), the hoop (13) is arranged at the buckled part of the upper tank body (111) and the lower tank body (112) and used for fixing the positions of the upper tank body (111) and the lower tank body (112), and the exhaust valve (14) and the intake valve (15) are sequentially arranged at one side of the top of the upper tank body (111) from left to right, the exhaust valve (14) and the air inlet valve (15) are respectively communicated with the interior of the upper tank body (111), the ink storage tank (16) is arranged in the pressure tank (11), and the ink conveying pipe (17) penetrates through the other side of the top of the upper tank body (111) from top to bottom and extends to the interior of the ink storage tank (16);

the filtering assembly (20) is arranged inside the ink storage tank (16) and communicated with one end, extending to the inside of the ink storage tank (16), of the ink conveying pipe (17);

the weighing device comprises a weighing component (30), wherein the weighing component (30) comprises a base (31), a bearing platform (32), a limiting rod (33), a ball (34) and a weighing sensor (35);

the top of the base (31) is provided with a second groove (331), the bottom of the inner wall of the second groove (331) is provided with a limiting hole (312), the bottom of the limiting rod (33) is inserted into the limiting hole (312), the supporting platform (32) is installed at the top of the limiting rod (33), the weighing sensor (35) is arranged in the second groove (331), the top of the weighing sensor (35) is in contact with the bottom of the supporting platform (32), the surface of the limiting rod (33) in contact with the limiting hole (312) is provided with a second groove (331), balls (34) are arranged in the second groove (331), and the outer wall of the supporting platform (32) is in contact with the inner wall of the second groove (331);

the analysis early warning assembly (40), the analysis early warning assembly (40) comprises a fixed seat (41), a controller (42), a display screen (43), an alarm lamp (44) and a buzzer (45);

fixing base (41) set up in the bottom of subassembly (30) weighs, controller (42) set up in the inside of fixing base (41), display screen (43) warning light (44) with buzzer (45) set gradually from a left side to the right side in on fixing base (41).

2. The ink supply device for the pressure tank of the cigarette making machine as claimed in claim 1, wherein: the filter assembly (20) comprises a fixing frame (21), a filter sheet (22), a filter cylinder (23) and a sundry storage sheet (24), wherein an opening part (211) communicated with the inside is arranged at the top of the fixing frame (21), the filter cylinder (23) is arranged at the position, close to the axis of the fixing frame (21), of the inside of the fixing frame (21), the top of the filter cylinder (23) is communicated with the opening part (211), water permeable holes are formed in the surface of the filter cylinder (23), the filter sheet (22) is arranged at the position, far away from the axis of the fixing frame (21), of the inside of the fixing frame (21), the filter sheet (22) is of a wave-shaped structure, takes the axis of the fixing frame (21) as the axis and is annularly arranged in the inside of the fixing frame (21), the sundry storage sheet (24) is arranged between bending gaps (221) of one side, far away from the filter sheet (22), of the filter cylinder (23), the filter disc (22) is in contact with the filter cylinder (23), and the ink conveying pipe (17) is communicated with the top of the filter cylinder (23).

3. The ink supply device for the pressure tank of the cigarette making machine as claimed in claim 1, wherein: the fixing frame (21) is fixedly connected with the top and the bottom of the filter cylinder (23) respectively, and the fixing frame (21) is fixedly connected with the top and the bottom of the filter sheet (22) respectively.

4. The ink supply device for the pressure tank of the cigarette making machine as claimed in claim 1, wherein: the axis of the filter cartridge (23) coincides with the axis of the fixing frame (21).

5. The ink supply device for the pressure tank of the cigarette making machine as claimed in claim 1, wherein: the signal input end of the controller (42) is in communication connection with the signal output end of the weighing sensor (35), and the signal output end of the controller (42) is in communication connection with the signal input ends of the display screen (43), the alarm lamp (44) and the buzzer (45) respectively.

6. The ink supply device for the pressure tank of the cigarette making machine as claimed in claim 1, wherein: the hoop (13) is a quick hoop (13).

7. The ink supply device for the pressure tank of the cigarette making machine as claimed in claim 1, wherein: and one end of the air inlet valve (15) far away from the pressure tank (11) is used for being communicated with a compressed air tank.

8. The ink supply device for the pressure tank of the cigarette making machine as claimed in claim 1, wherein: the ink storage tank (16) is used for storing ink, the capacity of the ink storage tank (16) is 1L, and the air pressure inside the pressure tank (11) is 1 bar.

9. The ink supply device for the pressure tank of the cigarette making machine as claimed in claim 2, wherein: store up miscellaneous piece (24) and be the slant set up in bend between clearance (221), store miscellaneous piece (24) keep away from the horizontal position height of one side of cartridge filter (23) is higher than store miscellaneous piece (24) be close to the horizontal position height of one side of cartridge filter (23).

10. A method of operating a supply of ink from a pressure tank of a cigarette making machine as claimed in any one of claims 1 to 9, the method comprising: the method comprises the following steps:

s1, carrying out weight measurement on the ink supply assembly (10) by the weighing assembly (30) for the first time to obtain the weight of the weighing assembly (30) when no ink is injected, and sending the measured data to the controller (42);

s2, filling ink, filling the ink storage tank (16) with the ink, after the ink is filled, placing a sealing ring (12) into a second annular groove (1121), aligning an upper tank body (111) with a lower tank body (112), buckling the upper tank body on the top of the lower tank body (112), enabling the sealing ring (12) to be respectively positioned inside the first annular groove (1111) and the second annular groove (1121), and connecting the buckling position of the upper tank body (111) and the lower tank body (112) by using a hoop (13) to fix the upper tank body (111) and the lower tank body (112);

s3, carrying out weight measurement on the ink supply assembly (10) and the injected ink by the weighing assembly (30) for the second weight measurement to obtain the weight of the weighing assembly (30) when the ink is injected, and sending the measured data to the controller (42);

s4, calculating the ink amount, and the controller (42) calculates the data according to the data sent by the weighing assembly (30) in the step S1 and the step S3 to obtain the data of the ink amount and sends the obtained data of the ink amount to a display screen (43) for displaying;

s5, early warning of ink amount, opening an air inlet valve (15), enabling compressed air in a compressed air tank to enter the pressure tank (11) to enable the pressure in the pressure tank (11) to rise to 1bar, enabling ink stored in an ink storage tank (16) to start to stably output the ink outwards after the pressure in the pressure tank (11) is increased to 1bar, detecting the ink amount in the ink storage tank (16) in real time by a controller (42) in the process of outputting the ink outwards, and controlling an alarm lamp (44) to emit an alarm lamp tube and a buzzer (45) to emit alarm sound when detecting that the ink amount in the ink storage tank (16) is lower than a preset value;

s6, replacing ink, closing the air inlet valve (15), opening the air outlet valve (14) to release pressure inside the pressure tank (11), taking down the clamp (13), removing the upper tank body (111) from the top of the lower tank body (112), taking down the sealing ring (12), injecting ink into the ink storage tank (16), after injection is completed, placing the sealing ring (12) into the second annular groove (1121), aligning the upper tank body (111) and the lower tank body (112), buckling the upper tank body (111) and the lower tank body (112) on the top of the lower tank body (112), enabling the sealing ring (12) to be respectively positioned inside the first annular groove (1111) and the second annular groove (1121), connecting the buckling position of the upper tank body (111) and the lower tank body (112) through the clamp (13), fixing the upper tank body (111) and the lower tank body (112), and completing ink replacement.

Technical Field

The invention relates to the technical field of ink equipment of cigarette making machines, in particular to an ink supply device for a pressure tank of a cigarette making machine and a working method thereof.

Background

The cigarette surface steel seal refers to a trademark printed on the surface of a cigarette, can highlight brand characteristics, improves the image recognition of a consumer on the brand, and is an important cigarette appearance quality index. In actual use, the problem of fuzzy steel seal caused by uneven ink supply and even incomplete steel seal in serious cases can occur. Two ink supply modes which are commonly used at present are a large ink device and a small ink device.

The large ink device consists of cylinder, control valve, ink cylinder, metering pump and other parts. When the ink distributing device works, compressed air of the air path control system enters the air cylinder (the compressed air pressure is adjustable), the air cylinder piston is pushed to move downwards, the ink cylinder piston is pushed by constant pressure, ink flows into the metering pump from the ink cylinder through the conveying pipeline, and the ink is input into an ink roller and an ink distributing roller of the printing device through the nozzle at a certain controlled flow rate, so that the ink is supplied. The large ink device is characterized in that the capacity of the ink cylinder is large, about 300ml, and the uniformity of ink supply can be ensured through the metering pump.

The small ink device consists of a small ink cylinder, an air cylinder, an electromagnetic valve, a nozzle, a travel switch, a screw rod and the like. In operation, the stroke of the cylinder is transmitted to the screw shaft through the lever system, each stroke can be axially advanced by about 0.015mm, and the ink in the ink cylinder is forced to be sprayed onto the ink roller through the small hole on the ink cylinder support and the ink nozzle. The small ink device features small volume, easy cleaning and replacement and capacity of ink cartridge about 100 ml. However, the pressure of ink supplied by the small ink device is unstable, which causes inconsistent printing definition of the steel seal and influences the appearance quality of the cigarette.

The large ink device and the small ink device adopt the design of the ink cylinder, and because the ink cylinder is stressed, sealed, installed and the like, ink leakage frequently occurs at the interface of the ink cylinder and the base, so that the dirt of the equipment and cigarette products is caused, and the maintenance and the cleanness of the equipment and the quality guarantee of the products are seriously influenced. Meanwhile, the large ink device and the small ink device cannot give an early warning to the ink allowance, in order to guarantee production continuity, at present, each shift needs to replace an unspent small ink cylinder, or every three shifts replace the unspent ink cylinder, the replacement needs to disassemble and install an ink cylinder using tool, the operation is very complicated, the replacement time is about 10 minutes, the production efficiency is reduced, and the waste of the ink is caused.

Disclosure of Invention

The embodiment of the invention provides an ink supply device for a pressure tank of a cigarette making machine and a working method thereof, wherein the pressure tank is arranged, an ink storage tank is arranged in the pressure tank, compressed air is introduced into the pressure tank to increase the pressure so as to output ink stored in the ink storage tank to the outside through the ink delivery tank, the whole ink output process only has an ink delivery pipe, external interfaces are few, the ink leakage situation is reduced, the contamination of equipment and cigarette products is avoided, the pressure tank is only required to be decompressed and then is opened for ink adding during ink replacement, the replacement process is simple without tool operation, meanwhile, a weighing component and an analysis early warning component are arranged for detecting the ink amount in the ink storage tank in real time, when the ink allowance in the ink storage tank is lower than a preset value, a worker is reminded of replacing the ink by an alarm lamp and a buzzer, and the problem that the existing large ink device and the small ink device leak ink is solved, The problems of incapability of early warning, difficulty in replacement and the like are solved, maintenance cleanness and product appearance quality of equipment are effectively guaranteed, production efficiency of the equipment can be improved, and waste of printing ink is reduced.

In view of the above problems, the technical solution proposed by the present invention is:

an ink supply device for a pressure tank of a cigarette making machine, comprising:

the ink supply assembly comprises a pressure tank, a sealing ring, a clamp, an exhaust valve, an air inlet valve, an ink storage tank and an ink conveying pipe;

wherein the pressure tank comprises an upper tank body and a lower tank body, the upper tank body is arranged at the top of the lower tank body, a first annular groove is arranged at the bottom of the upper tank body, a second annular groove is arranged at the bottom of the lower tank body, sealing rings are respectively arranged in the first annular groove and the second annular groove, the bottom edge of the upper tank body is turned outwards, the top edge of the lower tank body is turned outwards, the bottom of the upper tank body is buckled with the top of the lower tank body, a hoop is arranged at the buckling position of the upper tank body and the lower tank body and used for fixing the positions of the upper tank body and the lower tank body, an exhaust valve and an intake valve are sequentially arranged on one side of the top of the upper tank body from left to right, the exhaust valve and the intake valve are respectively communicated with the interior of the upper tank body, and the ink storage tank is arranged in the pressure tank, the ink conveying pipe penetrates through the other side of the top of the upper tank body from top to bottom and extends to the inside of the ink storage tank;

the filtering assembly is arranged inside the ink storage tank and is communicated with one end, extending to the inside of the ink storage tank, of the ink conveying pipe;

the weighing component comprises a base, a bearing platform, a limiting rod, a ball and a weighing sensor;

the top of the base is provided with a second groove, the bottom of the inner wall of the second groove is provided with a limiting hole, the bottom of the limiting rod is inserted into the limiting hole, the bearing platform is installed at the top of the limiting rod, the weighing sensor is arranged in the second groove, the top of the weighing sensor is in contact with the bottom of the bearing platform, the surface of the limiting rod in contact with the limiting hole is provided with a second groove, balls are arranged in the second groove, and the outer wall of the bearing platform is in contact with the inner wall of the second groove;

the analysis early warning assembly comprises a fixed seat, a controller, a display screen, an alarm lamp and a buzzer;

the fixing base set up in the bottom of subassembly of weighing, the controller set up in the inside of fixing base, the display screen the warning light with the bee calling organ set gradually in from a left side to the right side on the fixing base.

In order to better realize the technical scheme of the invention, the following technical measures are also adopted.

Further, filtering component includes mount, cassette, cartridge filter and stores up miscellaneous piece, the top of mount is provided with one with the opening of inside intercommunication, the cartridge filter set up in the inside of mount is close to the axle center department of mount, just the top of cartridge filter with the opening intercommunication, the hole of permeating water has been seted up on the surface of cartridge filter, the cassette set up in the inside of mount is kept away from the axle center department of mount, the cassette is the wave structure with the axle center department of mount is the axle center, be the annular set up in the inside of mount, store up miscellaneous piece set up in the cassette keeps away from between the clearance of bending of one side of cartridge filter, the cassette with the cartridge filter contact, defeated ink pipe with the top intercommunication of cartridge filter.

Further, the fixed mount respectively with the top and the bottom fixed connection of cartridge filter, the fixed mount respectively with the top and the bottom fixed connection of cassette.

Further, the axis of the filter cartridge coincides with the axis of the fixing frame.

Furthermore, the signal input end of the controller is in communication connection with the signal output end of the weighing sensor, and the signal output end of the controller is in communication connection with the signal input ends of the display screen, the alarm lamp and the buzzer respectively.

Further, the clamp is a quick clamp.

Furthermore, one end of the air inlet valve, which is far away from the pressure tank, is used for being communicated with a compressed air tank.

Further, the ink storage tank is used for storing ink, the capacity of the ink storage tank is 1L, and the air pressure inside the pressure tank is 1 bar.

Furthermore, the impurity storage sheet is obliquely arranged between the bending gaps, and the horizontal position height of one side, far away from the filter cylinder, of the impurity storage sheet is higher than the horizontal position height of one side, close to the filter cylinder, of the impurity storage sheet.

The working method of the ink supply device of the pressure tank of the cigarette making machine comprises the following steps:

s1, carrying out weight measurement on the ink supply assembly by the weighing assembly for the first time to obtain the weight of the weighing assembly when ink is not injected, and sending the measured data to the controller;

s2, filling ink, filling the ink storage tank with the ink, placing a sealing ring into a second annular groove after the ink is filled, aligning the upper tank body and the lower tank body, buckling the upper tank body and the lower tank body on the top of the lower tank body to enable the sealing ring to be respectively positioned in the first annular groove and the second annular groove, and fixing the upper tank body and the lower tank body at the buckling position of the upper tank body and the lower tank body by using a clamp;

s3, carrying out weight measurement on the ink supply assembly and the injected ink by the weighing assembly for the second weight measurement to obtain the weight of the weighing assembly when the ink is injected, and sending the measured data to the controller;

s4, calculating the ink amount, calculating the data by the controller according to the data sent by the weighing components in the step S1 and the step S3 to obtain the data of the ink amount, and sending the obtained data of the ink amount to a display screen for displaying;

s5, early warning of ink amount, opening an air inlet valve, enabling compressed air in a compressed air tank to enter the pressure tank to enable the pressure in the pressure tank to rise to 1bar, enabling ink stored in an ink storage tank to start to stably output the ink outwards after the pressure in the pressure tank is increased to 1bar, detecting the ink amount in the ink storage tank in real time by a controller in the process of outputting the ink outwards, and controlling an alarm lamp to send out an alarm sound by a buzzer when detecting that the ink amount in the ink storage tank is lower than a preset value;

s6, replacing ink, closing an air inlet valve, opening an exhaust valve to relieve pressure inside the pressure tank, taking down a clamp, removing the upper tank body from the top of the lower tank body, taking down a sealing ring, injecting ink into an ink storage tank, placing the sealing ring into a second annular groove after injection is completed, aligning the upper tank body with the lower tank body, buckling the upper tank body with the top of the lower tank body, enabling the sealing ring to be located inside the first annular groove and the second annular groove respectively, fixing the upper tank body and the lower tank body at the buckling position of the upper tank body and the lower tank body by using the clamp to connect, and completing ink replacement.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up the overhead tank, and store up the ink tank in the inside setting of overhead tank, let in compressed air and make pressure rise to store up the inside printing ink of ink tank and export the outside through defeated ink tank in the overhead tank, the process of whole output printing ink only has defeated ink pipe department, few to the external tapping, the condition of leaking the printing ink has been reduced to appear, avoid causing the dirt of equipment and cigarette product, only need open the overhead tank after the overhead tank pressure release when changing printing ink and carry out the printing ink interpolation, the change process need not instrument easy operation, the maintenance cleanness and the product appearance quality of equipment have effectively been ensured to the hourglass china ink that present big printing ink device and little printing ink device exist with difficult change scheduling problem, can promote equipment production efficiency, it is extravagant to reduce printing ink.

2. Carry out real-time detection to the inside printing ink volume of storing up the ink tank through setting up the subassembly of weighing and analysis early warning subassembly, when the inside printing ink surplus of storing up the ink tank is less than the default, remind the staff to change through warning light and bee calling organ, solved the problem of the unable early warning that big printing ink device and little printing ink device exist at present, effectively reduce printing ink extravagant.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

FIG. 1 is a schematic cross-sectional view of an ink supply device for a pressure tank of a cigarette making machine according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of a weighing assembly according to an embodiment of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is a schematic perspective view of a filter assembly according to an embodiment of the present disclosure;

FIG. 6 is a schematic cross-sectional view of a filter assembly according to an embodiment of the present disclosure;

FIG. 7 is a schematic sectional view taken along the line A-A in FIG. 6;

FIG. 8 is a communication block diagram of an ink supply device for a pressure tank of a cigarette making machine according to an embodiment of the present invention;

fig. 9 is a schematic flow chart of a working method of an ink supply device for a pressure tank of a cigarette making machine according to an embodiment of the present invention.

Reference numerals: 10. an ink supply assembly; 11. a pressure tank; 111. feeding the tank body; 1111. a first annular groove; 112. a tank body is arranged; 1121. a second annular groove; 12. a seal ring; 13. clamping a hoop; 14. an exhaust valve; 15. an intake valve; 16. an ink storage tank; 17. an ink delivery tube; 20. a filter assembly; 21. a fixed mount; 211. an opening part; 22. a filter disc; 221. bending the gap; 23. a filter cartridge; 24. storing the impurity pieces; 30. a weighing assembly; 31. a base; 311. a first groove; 312. a limiting hole; 32. a supporting platform; 33. a limiting rod; 331. a second groove; 34. a ball bearing; 35. a weighing sensor; 40. analyzing the early warning component; 41. a fixed seat; 42. a controller; 43. a display screen; 44. an alarm light; 45. a buzzer.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-8, an ink supply device for a pressure tank 11 of a cigarette making machine comprises an ink supply assembly 10, a filter assembly 20, a weighing assembly 30 and an analysis and early warning assembly 40.

Referring to fig. 1-2, an ink supply assembly 10 includes a pressure tank 11, a sealing ring 12, a clamp 13, an exhaust valve 14, an intake valve 15, an ink storage tank 16 and an ink delivery pipe 17, the pressure tank 11 includes an upper tank 111 and a lower tank 112, the upper tank 111 is disposed on top of the lower tank 112, a first annular groove 1111 is disposed at bottom of the upper tank 111, a second annular groove 1121 is disposed at bottom of the lower tank 112, the sealing ring 12 is disposed inside the first annular groove 1111 and the second annular groove 1121 respectively, bottom edge of the upper tank 111 is turned outwards, top edge of the lower tank 112 is turned outwards, bottom of the upper tank 111 is fastened with top of the lower tank 112, the clamp 13 is disposed at fastening position of the upper tank 111 and the lower tank 112 for fixing position of the upper tank 111 and the lower tank 112, the clamp 13 is a quick clamp 13, installation and disassembly do not use tools, operation is simple, the exhaust valve 14 and the intake valve 15 are disposed on one side of top of the upper tank 111 from left to right in sequence, an exhaust valve 14 and an intake valve 15 are respectively communicated with the inside of the upper tank 111, one end of the intake valve 15, which is far away from the pressure tank 11, is used for communicating a compressed air tank and guiding compressed air into the pressure tank 11, the exhaust valve 14 is used for releasing pressure inside the pressure tank 11, an ink storage tank 16 is arranged inside the pressure tank 11 and is used for storing ink, the capacity of the ink storage tank 16 is 1L, the air pressure inside the pressure tank 11 is 1bar, an ink conveying pipe 17 penetrates the other side of the top of the upper tank 111 from top to bottom and extends into the ink storage tank 16, when ink is replaced, the intake valve 15 is closed, the exhaust valve 14 is opened to release pressure inside the pressure tank 11, the clamp 13 is removed, the upper tank 111 is removed from the top of the lower tank 112, the sealing ring 12 is removed, ink is injected into the ink storage tank 16, the sealing ring 12 is placed into the second annular groove 1121, and the upper tank 111 is aligned with the lower tank 112, the sealing ring 12 is buckled at the top of the lower tank body 112, so that the sealing ring 12 is respectively positioned inside the first annular groove 1111 and the second annular groove 1121, the clamping hoop 13 is connected to the buckling position of the upper tank body 111 and the lower tank body 112, so that the upper tank body 111 and the lower tank body 112 are fixed, ink replacement is completed, when ink is output, as the ink inside the ink storage tank 16 is input into the ink conveying pipe 17 through compressed air, the ink leakage situation is reduced for external ports, the dirt of equipment and cigarette products is avoided, the problems of ink leakage, difficult replacement and the like of the existing large ink device and the existing small ink device are solved, the maintenance cleanness and the product appearance quality of the equipment are effectively guaranteed, the production efficiency of the equipment can be improved, and the ink waste is reduced.

Referring to fig. 1 and 5-7, the filtering assembly 20 includes a fixing frame 21, a filter 22, a filter cartridge 23 and a sundry storage sheet 24, the top of the fixing frame 21 is provided with an opening 211 communicated with the inside, the filter cartridge 23 is disposed inside the fixing frame 21 near the axis of the fixing frame 21, the top of the filter cartridge 23 is communicated with the opening 211, the surface of the filter cartridge 23 is provided with water permeable holes, the filter 22 is disposed inside the fixing frame 21 away from the axis of the fixing frame 21, the filter 22 is in a wave structure and is disposed inside the fixing frame 21 in a ring shape with the axis of the fixing frame 21 as the axis, the sundry storage sheet 24 is disposed between bending gaps 221 on one side of the filter 22 away from the filter cartridge 23, the sundry storage sheet 24 is disposed between the bending gaps 221 in an inclined manner, the horizontal position of one side of the sundry storage sheet 24 away from the filter cartridge 23 is higher than the horizontal position of one side of the sundry storage sheet 24 close to the filter cartridge 23, in the process of filtering the ink, impurities in the ink fall onto the impurity storage sheet 24 after being filtered by the filter 22, because the impurity storage sheet 24 is obliquely arranged, the impurities are collected on the impurity storage sheet 24, the amount of the impurities falling onto the bottom of the ink storage tank 16 is reduced, the filter 22 is contacted with the filter cylinder 23, the ink conveying pipe 17 is communicated with the top of the filter cylinder 23, the fixing frame 21 is fixedly connected with the top and the bottom of the filter cylinder 23 respectively, the fixing frame 21 is fixedly connected with the top and the bottom of the filter 22 respectively, the axis of the filter cylinder 23 is superposed with the axis of the fixing frame 21, through the arrangement of the filter assembly 20, in the process of outputting the ink in the ink storage tank 16 through the ink conveying pipe 17, the ink entering the ink conveying pipe 17 is filtered through the filter 22, the phenomenon that the impurities block the ink conveying pipe 17 to cause machine halt is avoided, meanwhile, the impurity storage sheet 24 stores the impurities entering the bending gap 221, and the capacity reduction of the ink storage tank 16 caused by excessive impurities deposited at the bottom of the ink storage tank 16 after the overlong service time is avoided, resulting in increased times of ink addition during shutdown and reduced production efficiency.

Referring to fig. 1 and 3-4, the weighing assembly 30 includes a base 31, a supporting platform 32, a limiting rod 33, a ball 34 and a weighing sensor 35, a second groove 331 is formed at the top of the base 31, a limiting hole 312 is formed at the bottom of the inner wall of the second groove 331, the bottom of the limiting rod 33 is inserted into the limiting hole 312, the supporting platform 32 is installed at the top of the limiting rod 33, the weighing sensor 35 is disposed inside the second groove 331, the top of the weighing sensor 35 contacts the bottom of the supporting platform 32, a second groove 331 is formed in the surface of the limiting rod 33 contacting the limiting hole 312, the ball 34 is disposed inside the second groove 331 for reducing the friction between the limiting rod 33 and the limiting hole 312 and improving the detection precision, the outer wall of the supporting platform 32 contacts the inner wall of the second groove 331, and the outer wall of the supporting platform 32 is in clearance fit with the inner wall of the second groove 331, the analysis early warning assembly 40 comprises a fixed seat 41, a controller 42, a display screen 43, an alarm lamp 44 and a buzzer 45, wherein the fixed seat 41 is arranged at the bottom of the weighing assembly 30, the controller 42 is arranged inside the fixed seat 41, the display screen 43, the alarm lamp 44 and the buzzer 45 are sequentially arranged on the fixed seat 41 from left to right, a signal input end of the controller 42 is in communication connection with a signal output end of the weighing sensor 35, a signal output end of the controller 42 is respectively in communication connection with signal input ends of the display screen 43, the alarm lamp 44 and the buzzer 45, when the weighing sensor 35 does not place the ink supply assembly 10 on the bearing platform 32, the weighing sensor 35 does not output signals to the controller 42, after the ink supply assembly 10 is placed on the bearing platform 32, the weighing sensor 35 is subjected to the pressure of the ink supply assembly 10, the weighing sensor 35 performs weight detection to obtain the weight of the weighing assembly 30 when ink is not injected, sending the detected data to the controller 42, injecting ink into the ink storage tank 16, after the injection is completed, placing the sealing ring 12 into the second annular groove 1121, aligning the upper can 111 with the lower can 112, buckling the upper can 112 on the top of the lower can 112, so that the sealing ring 12 is respectively positioned inside the first annular groove 1111 and the second annular groove 1121, fixing the upper can 111 and the lower can 112 by connecting the buckling part of the upper can 111 and the lower can 112 by using a clamp 13, detecting the weight of the ink supply assembly 10 and the injected ink by using a weighing sensor 35 to obtain the weight of the weighing assembly 30 when the ink is injected, sending the detected data to the controller 42, subtracting the data detected twice by the controller 42 to obtain the ink amount data, detecting the ink amount inside the ink storage tank 16 in real time in the process of outputting the ink, and when the ink amount inside the ink storage tank 16 is detected to be lower than a preset value, the alarm lamp 44 is controlled to emit the alarm lamp tube and the buzzer 45 emits the alarm sound, so that the problem that the existing large ink device and the existing small ink device cannot perform early warning is solved, and the waste of ink is effectively reduced.

Referring to fig. 1-9, the invention also provides a working method of the ink supply device for the pressure tank 11 of the cigarette making machine, which comprises the following steps:

s1, carrying out weight measurement on the ink supply assembly 10 by the weighing assembly 30 for the first time to obtain the weight of the weighing assembly 30 when ink is not injected, and sending the measured data to the controller 42;

s2, filling ink into the ink storage tank 16, after filling, placing the sealing ring 12 into the second annular groove 1121, aligning the upper tank 111 with the lower tank 112, then buckling the upper tank on the top of the lower tank 112, so that the sealing ring 12 is respectively positioned inside the first annular groove 1111 and the second annular groove 1121, and connecting the buckling position of the upper tank 111 and the lower tank 112 by using a hoop 13 to fix the upper tank 111 and the lower tank 112;

s3, performing the second weight measurement, wherein the weighing module 30 detects the weight of the ink supply module 10 and the injected ink to obtain the weight of the weighing module 30 when the ink is injected, and sends the detected data to the controller 42;

s4, calculating the ink amount, and the controller 42 calculates the data according to the data sent by the weighing module 30 in the steps S1 and S3 to obtain the data of the ink amount and sends the obtained data of the ink amount to the display screen 43 for displaying;

s5, early warning of ink amount, opening an air inlet valve 15, enabling compressed air in a compressed air tank to enter the pressure tank 11 to enable the pressure in the pressure tank 11 to rise to 1bar, enabling ink stored in an ink storage tank 16 to start to stably output the ink outwards after the pressure in the pressure tank 11 is increased to 1bar, detecting the ink amount in the ink storage tank 16 in real time by a controller 42 in the process of outputting the ink outwards, and controlling an alarm lamp 44 to emit an alarm lamp tube and a buzzer 45 to emit alarm sound when detecting that the ink amount in the ink storage tank 16 is lower than a preset value, wherein the preset value is 50 g;

s6, replacing ink, closing the air inlet valve 15, opening the air outlet valve 14 to release pressure in the pressure tank 11, removing the clamp 13, removing the upper tank 111 from the top of the lower tank 112, removing the sealing ring 12, injecting ink into the ink storage tank 16, placing the sealing ring 12 into the second annular groove 1121 after injection is completed, aligning the upper tank 111 and the lower tank 112, buckling the upper tank 111 on the top of the lower tank 112 to enable the sealing ring 12 to be respectively positioned in the first annular groove 1111 and the second annular groove 1121, connecting the buckling position of the upper tank 111 and the lower tank 112 by using the clamp 13, fixing the upper tank 111 and the lower tank 112, and completing ink replacement.

Specifically, by arranging the pressure tank 11 and arranging the ink storage tank 16 inside the pressure tank 11, compressed air is introduced into the pressure tank 11 to increase the pressure so as to output the ink stored inside the ink storage tank 16 to the outside through the ink conveying tank, the whole ink output process only has the ink conveying pipe 17, the external interfaces are few, the ink leakage situation is reduced, the contamination of equipment and cigarette products is avoided, the ink is replaced only by opening the pressure tank 11 after the pressure tank 11 is decompressed, the replacement process is simple without tool operation, meanwhile, the weighing component 30 and the analysis early warning component 40 are arranged to detect the ink amount inside the ink storage tank 16 in real time, when the ink allowance inside the ink storage tank 16 is lower than the preset value, a worker is reminded to replace through the alarm lamp 44 and the buzzer 45, and the problem of ink leakage of the existing large ink device and the small ink device is solved, The problems of incapability of early warning, difficulty in replacement and the like are solved, maintenance cleanness and product appearance quality of equipment are effectively guaranteed, production efficiency of the equipment can be improved, and waste of printing ink is reduced.

It should be noted that the specific model specifications of the weighing sensor 35, the controller 42, the display screen 43, the alarm lamp 44 and the buzzer 45 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The powering of the load cell 35, the controller 42, the display 43, the warning light 44 and the buzzer 45 and their principle will be clear to the skilled person and will not be described in detail here.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.