A secondary filtering device for overlapping glue of cigarette making machine

Abstract

The invention discloses a secondary filtering device for the overlap glue of a cigarette making machine, comprising a glue inlet (1), a stirring assembly (2), an isolation layer (3), a mounting bracket (4), a filter element (5), a sewage outlet (6), a glue outlet (7), a glue storage area (8), an agitator (9), and a filter cup (30), characterized in that the upper part of the stirring assembly is the stirring area, the lower part of the stirring assembly is the sleeve area, the upper part of the stirring assembly is connected with the glue inlet, the stirring assembly is connected with the agitator, the lower part of the stirring assembly is connected with the isolation layer, the lower part of the isolation layer is connected with the filter cup, the lower part of the middle part of the isolation layer is connected with the filter element, the outer periphery of the isolation layer is connected with the mounting bracket, a glue storage area is formed in the filter cup, the filter cup comprises a cylindrical part and an arc part connected in sequence, and the sewage outlet and the glue outlet are connected to the arc part. The secondary filtering device improves the quality hidden dangers of the overlap glue of the cigarette making machine, solves the filtering problems of emulsion, crust and impurities in the glue, avoids the explosion phenomenon of the overlap of cigarettes, and ensures the quality of cigarette rolling products.

Description

Technical Field

[0001] The invention relates to the technical field of cigarette jointing in a tobacco production system, and is a secondary filtering device for cigarette machine joint glue of PROTOS70 and ZJ17 units, and in particular to a secondary filtering device for cigarette machine joint glue. Background Art

[0002] At present, there are 22 ZJ17 units in a tobacco production system. The cigarette rolling machine has a fast line speed of more than 420 meters per minute. The rolling process is efficient, stable, reliable and automated. Therefore, the requirements for cigarette joint adhesion technology are very high. However, in the actual production process, the joint glue is affected by the temperature and humidity of the air, the limitation of its own processing quality, or some unexpected pollution factors, such as: ash, cigarette dust, rubber, water droplets, impurities, etc., which pollute the joint glue. The primary filter in the glue barrel cannot meet the requirements of cigarette joint adhesion technology. This causes the equipment to run more or the cigarettes to burst. Due to the uncertainty of the time when the cigarettes burst, not only the maintenance intensity is high, affecting the operating efficiency of the equipment, but also seriously affecting the quality of the product.

[0003] Therefore, it is necessary to redesign a filtering device through innovative inventions and improvements to solve the filtering problem of contaminated overlap glue, avoid the bursting phenomenon of overlapped cigarettes, and ensure the quality of cigarette rolling products. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a secondary filtering device for the overlap glue of cigarette making machines, which improves the quality risks of the overlap glue of cigarette making machines, solves the filtering problems of lumps, crusts and impurities in the glue, avoids the bursting phenomenon of the overlap of cigarettes, and ensures the quality of cigarette rolling products.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] A secondary filtering device for overlapping glue of a cigarette making machine comprises a glue inlet (1), a stirring assembly (2), an isolation layer (3), a mounting bracket (4), a filter element (5), a sewage outlet (6), a glue outlet (7), a glue storage area (8), an agitator (9), and a filter cup (30), characterized in that the upper part of the stirring assembly is the stirring area, the lower part of the stirring assembly is the sleeve area, the upper part of the stirring assembly is connected to the glue inlet, the stirring assembly is connected to the agitator, the lower part of the stirring assembly is connected to the isolation layer, the lower part of the isolation layer is connected to the filter cup, the lower part of the middle part of the isolation layer is connected to the filter element, the outer periphery of the isolation layer is connected to the mounting bracket, a glue storage area is formed in the filter cup, and the filter cup comprises a cylindrical part and an arc part connected in sequence, and the sewage outlet and the glue outlet are connected to the arc part.

[0007] Furthermore, a circular groove (25) is provided on the outer periphery of the glue inlet, and the stirrer comprises a stirring shaft (18) and a plurality of blades (21). The middle portion of the stirring shaft is in the form of a square shaft (24) and the two ends are in the form of circular shafts. The cross section of the square shaft is in the form of a square and the corners of the square are chamfered. The plurality of blades are mounted on the outer periphery of the square shaft by means of screws (20). One end of the blade (21) is snugly connected to one side of the square. The circular shafts at both ends are provided with sealing rings (10), bearings (19) and end covers (17, 11). The sealing rings and bearings are mounted in mounting holes of a stirring zone shell at the upper portion of the stirring assembly. The sealing rings are arranged on a side of the bearing close to the blades and a retaining ring (16) is arranged on the other side of the bearing. The side of the stirring zone shell away from the blades is connected to an end cover and the end cover is mounted on the stirring zone shell by means of a plurality of end cover screws (22).

[0008] Furthermore, the circular shaft at the end passes through the end cap at the end and is connected to a hand wheel (12), the inner hole of the hand wheel is connected to the outer circumference of the circular shaft via a key (13), a gasket (15) is fittedly connected to the hand wheel and the side of the circular shaft away from the blade, an internal thread hole is provided at the end of the circular shaft, a fastening screw passes through the gasket and is threadedly connected to the internal thread hole, and a first internal thread (23) is provided in the sleeve area at the lower part of the stirring assembly.

[0009] Furthermore, the isolation layer is a cylindrical structure, a first internal thread hole (28) is provided in the middle of the isolation layer, external threads (27) are provided at the upper and lower axial ends of the outer circumference of the isolation layer, and a plurality of second internal thread holes (26) are provided within a 180° range of the outer circumference of the isolation layer.

[0010] Furthermore, a second internal thread (29) is provided at the upper end of the outer circumference of the cylindrical portion of the filter cup, a sewage outlet is provided at the bottom end of the arc-shaped portion of the filter cup, and a glue outlet is provided at the side of the arc-shaped portion; the external thread at the upper end of the isolation layer is threadably matched with the first internal thread of the sleeve area at the lower part of the stirring assembly, and the external thread at the lower end of the isolation layer is threadably matched with the second internal thread at the upper end of the outer circumference of the cylindrical portion of the filter cup.

[0011] Furthermore, the filter element has an external thread section (31) at the top, a shaft shoulder ring is connected below the external thread section, a circular sealing ring (32) is arranged above the shaft shoulder ring, an external hexagonal portion (33) is arranged below the shaft shoulder ring, a skeleton structure (35) is arranged below the external hexagonal portion, a stainless steel filter screen (34) is arranged between the upper and lower skeletons of the skeleton structure, and the stainless steel filter screen forms a circular ring structure.

[0012] Furthermore, the mounting bracket comprises a bracket arc portion, the bracket arc portion matches the outer periphery of the isolation layer, and the mounting bracket is provided with a plurality of bracket mounting holes (36) in its length direction, wherein two first bracket mounting holes in the middle are connected to the bracket arc portion, and one or more second bracket mounting holes are provided outside the two first bracket mounting holes in the middle.

[0013] Furthermore, four blades are mounted on the four surfaces of the square shaft (24), the blades are made of stainless steel, and each blade is fastened by a plurality of stainless steel slotted screws.

[0014] The present invention provides a secondary filtering device for the overlapping glue of a cigarette making machine, wherein the glue inlet is a cylindrical pipe mouth, the outer ring is designed with a circular groove, and the middle is designed with a circular hole, which is located at the top of the stirring component and is used to connect with the hose of the external glue barrel for glue supply; the stirring component is used for pre-supplying glue and stirring through an agitator. The filter element is designed as a hollow annular cylinder, and the upper part of the filter element is designed with an external thread section for connecting with the internal thread hole in the middle of the isolation layer. A rubber gasket is additionally installed on the outside of the external thread section, and the structure design of the external hexagonal part is convenient for disassembly; the lower part is a stainless steel circular filter mesh, which is adhered between the filter element frames by welding technology, and plays a secondary filtering role for the conveyed overlapping glue. The glue storage area is a sealed space between the arc-conical polymer plastic filter cup and the filter element, and the upper part of the filter cup is designed with an internal thread for connecting with the external thread at the lower part of the outer periphery of the isolation layer. The drain port is a threaded hole with an external hexagonal screw, designed at the bottom of the filter cup, used for glue inspection and drainage; the glue outlet is a circular pipe mouth, with a circular slot and inverted thread designed on the surface. The glue outlet is on the arc side of the bottom of the filter cup, used to connect with the glue hose to deliver uniform and pure glue to the machine's glue spraying device. The mounting bracket is an arc-shaped metal block, the arc portion coincides with the arc of the outer periphery of the isolation layer, and there are 4 bracket mounting holes designed on the mounting bracket. The two middle holes are directly opposite to the two internal threaded holes of the isolation layer, meeting the assembly requirements.

[0015] The secondary filtering device for the overlapping glue of cigarette making machines improves the quality hidden dangers of the overlapping glue of cigarette making machines, solves the filtering problems of latex, crust and impurities in the glue, avoids the explosion phenomenon of the overlapping of cigarettes, and ensures the quality of cigarette rolling products. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] FIG1 is a schematic structural diagram of a secondary filtering device for overlapping adhesive of a cigarette making machine according to the present invention;

[0017] FIG2 is a front view of the structure of the stirring assembly of the secondary filtering device for the overlap glue of the cigarette making machine according to the present invention;

[0018] Figure 3 It is a side view of the stirring assembly structure of the secondary filtering device for the overlap glue of the cigarette making machine of the present invention;

[0019] Figure 4 A top view of the stirring assembly structure of the secondary filtering device for overlapping glue of a cigarette making machine according to the present invention;

[0020] Figure 5 This is a three-view structural schematic diagram of the isolation layer of the present invention;

[0021] Figure 6 It is a schematic diagram of the structure of the filter cup of the present invention in two views;

[0022] Figure 7 It is a schematic diagram of the structure of the filter element of the present invention in two views;

[0023] Figure 8 It is a three-view structural schematic diagram of the mounting bracket of the present invention.

[0024] In the figure: glue inlet 1, stirring component 2, isolation layer 3, mounting bracket 4, filter element 5, sewage outlet 6, glue outlet 7, glue storage area 8, agitator 9, sealing ring 10, right end cover 11, hand wheel 12, key 13, fastening screw 14, gasket 15, retaining ring 16, left end cover 17, stirring shaft 18, bearing 19, (slotted) screw 20, blade 21, end cover screw 22, first internal thread 23, square shaft 24, circular groove 25, second internal thread hole 26, external thread 27, first internal thread hole 28, second internal thread 29, filter cup 30, external thread section 31, circular sealing ring 32, external hexagonal portion 33, stainless steel filter screen 34, skeleton structure 35, bracket mounting hole 36. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] like Figure 1-8 As shown, a secondary filtering device for overlapping glue of a cigarette making machine comprises a glue inlet 1, a stirring component 2, an isolation layer 3, a mounting bracket 4, a filter element 5, a sewage outlet 6, a glue outlet 7, a glue storage area 8, an agitator 9, and a filter cup 30. The upper part of the stirring component 2 is the stirring area, and the lower part of the stirring component 2 is the sleeve area. The glue inlet 1 is connected to the top of the stirring component 2, the agitator 9 is connected inside the stirring component 2, the isolation layer 3 is connected below the stirring component 2, the filter cup 30 is connected below the isolation layer 3, the filter element 5 is connected to the lower middle part of the isolation layer 3, the mounting bracket 4 is connected to the outer periphery of the isolation layer 3, a glue storage area 8 is formed in the filter cup 30, and the filter cup 30 comprises a cylindrical portion and an arc portion connected in sequence, and the sewage outlet 6 and the glue outlet 7 are connected to the arc portion.

[0028] like Figure 2-4As shown, a circular groove 25 is provided on the periphery of the glue inlet 1, and the agitator 9 includes a stirring shaft 18 and a plurality of blades 21. The middle part of the stirring shaft 18 is a square shaft 24 structure, and the two ends are circular shafts. The cross-section of the square shaft 24 is square, and the corners of the square are chamfered. The plurality of blades 21 are installed on the periphery of the square shaft 24 by screws 20, and one end of the blade 21 is snugly connected to one side of the square. The circular shafts at both ends are provided with sealing rings 10, bearings 19, and end covers 17 / 11. The sealing ring 10 and the bearing 19 are installed in the mounting hole of the stirring zone shell at the upper part of the stirring assembly 2. The sealing ring 10 is arranged on the side of the bearing 19 close to the blade 21, and the other side of the bearing 19 is provided with a retaining spring 16. The side of the stirring zone shell away from the blade 21 is connected with the end cover 17 / 11, and the end cover 17 / 11 is installed on the stirring zone shell by a plurality of end cover screws 22.

[0029] A handwheel 12 is connected to the circular shaft after passing through the end cover 11 at one end. The inner hole of the handwheel 12 is connected to the outer circumference of the circular shaft through a key 13. A gasket 15 is fittedly connected between the handwheel 12 and the side of the circular shaft away from the blade 21. An internal threaded hole is provided at the end of the circular shaft. A fastening screw 14 passes through the gasket 15 and is threadedly connected to the internal threaded hole. A first internal thread 23 is provided in the sleeve area at the lower part of the stirring assembly 2.

[0030] like Figure 5-8 As shown, the isolation layer 3 is a cylindrical structure, a first internal threaded hole 28 is provided in the middle of the isolation layer 3, external threads 27 are provided at the upper and lower ends (axially) of the outer circumference of the isolation layer 3, and a plurality of second internal threaded holes 26 are provided within a 180° range of the outer circumference of the isolation layer 3.

[0031] The outer circumferential upper end of the cylindrical portion of the filter cup 30 is provided with a second internal thread 29, the bottom end of the arc portion of the filter cup 30 is provided with a sewage outlet 6, and the side of the arc portion is provided with a glue outlet 7. The external thread 27 at the upper end of the isolation layer 3 is threadedly matched with the first internal thread 23 of the sleeve area at the lower part of the stirring assembly 2, and the external thread 27 at the lower end of the isolation layer 3 is threadedly matched with the second internal thread 29 at the outer circumferential upper end of the cylindrical portion of the filter cup 30.

[0032] The upper part of the filter element 5 has an external thread section 31, and a shoulder ring is connected to the lower part of the external thread section 31. A circular sealing ring 32 is arranged above the shoulder ring, and an external hexagonal portion 33 is arranged below the shoulder ring. A skeleton structure 35 is arranged below the external hexagonal portion 33. A stainless steel filter screen 34 is arranged between the upper and lower skeletons of the skeleton structure 35, and the stainless steel filter screen 34 forms a circular ring structure.

[0033] The mounting bracket 4 includes a bracket arc portion, which matches the outer periphery of the isolation layer 3. The mounting bracket 4 is provided with a plurality of bracket mounting holes 36 in its length direction, wherein two first bracket mounting holes 36 in the middle are connected to the bracket arc portion, and one or more second bracket mounting holes 36 are provided on the outer sides of the two first bracket mounting holes 36 in the middle; optionally, the mounting bracket 4 is provided in a pair.

[0034] The stirring assembly 2 is designed with a stirrer 9 for pre-supplying glue and stirring; the two ends of the shaft of the stirrer 9 are circular shafts, and the middle is a square chamfered square shaft 24, which meets the assembly requirements of the bearing or bearing seat; four blades 21 are installed on the four sides of the square shaft, and the blades are made of stainless steel, and each blade is fastened by 3 stainless steel flat screws 20; bearing seats are designed at both ends of the stirrer 9, and bearings 19 and sealing rings 10 are installed inside the shaft seats; positioning component retaining springs 16 and end covers 17 / 11 are also designed at both ends of the stirring shaft 18; a handwheel 12 for driving the stirring action is designed at the right end of the stirring shaft 18, and the handwheel is connected to the stirring shaft through a key, and is positioned and fixed by a fastening screw 14 and a gasket 15. The inner ring at the bottom of the stirring component 2 is designed with a first internal thread 23, which is used to match and connect with the external thread 27 on the upper part of the isolation layer 3, meeting the assembly accuracy requirements; the isolation layer 3 is an annular cylinder with a first internal thread hole 28 in the middle, and external threads 27 are processed on the upper and lower parts of the outer ring, and two second internal thread holes 26 for installation and positioning are processed on the middle arc-shaped back.

[0035] The filter element 5 is designed as a hollow multi-annular cylinder. The upper part of the filter element is designed with an external thread section 31 for connecting to the first internal thread hole 28 in the middle of the isolation layer 3. The upper external thread of the filter element 5 is installed with a circular sealing ring 32, and is also designed with an external hexagonal portion 33 for easy disassembly. The lower part is a stainless steel filter mesh 34, which is adhered between the metal skeleton structure 35 of the filter element through welding technology, and plays a secondary filtering role for the conveyed overlapping glue. The glue storage area 8 is a sealed space between the arc-conical polymer plastic filter cup 30 and the filter element 5. The upper part of the filter cup 30 is designed with a second internal thread 29 for connecting with the external thread 27 at the lower part of the isolation layer 3, which meets the assembly accuracy requirements; the sewage outlet 6 is a closed internal thread hole with an external hexagonal screw, designed at the bottom of the filter cup 30, used for glue inspection and sewage discharge; the glue outlet 7 is a circular pipe mouth, the surface of which is designed with a circular card slot and an inverted thread. The glue outlet is designed on the arc side of the bottom of the filter cup 30, which is used to connect with the glue hose to deliver uniform and pure glue to the glue spraying device of the machine. The mounting bracket 4 is an arc-shaped metal block, the arc portion coincides with the arc of the outer periphery of the isolation layer 3, and the mounting bracket is designed with 4 bracket mounting holes, and the two middle holes are directly opposite to the two second internal thread holes 26 of the isolation layer, meeting the assembly requirements.

[0036] The present invention provides a secondary filtering device for overlapping glue of a cigarette making machine. The two internal threaded holes 26 on the back of the isolation layer 3 are aligned with the two bracket mounting holes 36 in the middle of the mounting bracket 4 and are fastened with two matching screws. Then, two screws are used to pass through the bracket mounting holes on both sides of the mounting bracket to install the secondary filtering device at a designated position under the glue barrel. The overlapping glue in the glue barrel flows from the glue inlet 1 into the stirring assembly 2 of the secondary filtering device. Under the action of gravity, the glue passes through the first internal threaded hole 28 in the middle of the isolation layer 3 and flows into the middle cavity of the filter element 5.

[0037] The design requires that the mesh number of the stainless steel filter 34 of the filter element 5 is slightly larger than the mesh number of the primary filter; under the action of gravity, the glue continues to pass through the fine holes around the stainless steel filter 34, and after filtering, it flows into the cavity of the glue storage area 8; until the interior of the secondary filtration device is completely filled with glue, at this time, the overlapping glue in the glue storage area 8 is the secondary filtered glue; when the glue spraying device of the cigarette making machine is used, the glue is output from the glue outlet 7 through the hose connected to the glue spraying device, and the glue is sprayed on the overlapping of the cigarette to meet the needs of the equipment.

[0038] When the cigarette making machine is in operation or shutdown, the operator can rotate the hand wheel 12 clockwise by hand from time to time to stir the glue by the rotation of the blade 21 to improve the uniformity of the glue; the drain port 6 can be opened once a week to drain the glue and remove impurities that have settled to the bottom of the glue in the secondary filtration device or the glue that has not flowed for a few days; the filter element 5 can be disassembled and cleaned once every half month; the secondary filtration device of the present invention is thoroughly maintained once a month to ensure that the interior is clean, to ensure that the quality of the glue after the secondary filtration is stable and reliable, and that product quality defects (cigarette bursting) are preventable.

[0039] The invention discloses a secondary filtering device for cigarette machine joint glue, which improves the quality hidden dangers of cigarette machine joint glue, solves the filtering problems of latex, crust and impurities in glue, avoids the cracking phenomenon of cigarette joint, and ensures the quality of cigarette rolling products.

[0040] The above-mentioned implementation modes are for explanation of the present invention rather than limitation of the present invention. It can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A secondary filtering device for overlapping glue of a cigarette making machine, comprising a glue inlet (1), a stirring assembly (2), an isolation layer (3), a mounting bracket (4), a filter element (5), a sewage outlet (6), a glue outlet (7), a glue storage area (8), a stirrer (9), and a filter cup (30), characterized in that: The upper part of the stirring component is the stirring zone, the lower part of the stirring component is the sleeve zone, the upper part of the stirring component is connected to a glue inlet, the stirring component is connected to an agitator, the lower part of the stirring component is connected to an isolation layer, the lower part of the isolation layer is connected to a filter cup, the lower part of the middle of the isolation layer is connected to a filter element, the outer periphery of the isolation layer is connected to a mounting bracket, a glue storage area is formed in the filter cup, the filter cup includes a cylindrical portion and an arc portion connected in sequence, the arc portion is connected to a sewage outlet and a glue outlet; the glue inlet is a cylindrical pipe mouth, the outer ring is designed with a circular groove, the middle is a circular hole design, and is located at the top of the stirring component, the agitator includes a stirring shaft (18), a plurality of blades (21), and the middle part of the stirring shaft is a square shaft (24) The invention discloses a structure in which two ends of the stirring assembly are round shafts, the cross section of the square shaft is square, the corners of the square are chamfered, a plurality of blades are mounted on the outer circumference of the square shaft by means of screws (20), one end of the blade (21) is closely connected to one side of the square, the round shafts at both ends are provided with sealing rings (10), bearings (19), and end covers (17, 11), the sealing rings and the bearings are mounted in the mounting holes of the stirring zone shell at the top of the stirring assembly, the sealing rings are arranged on the side of the bearings close to the blades, the other side of the bearings is provided with a retaining ring (16), the side of the stirring zone shell away from the blades is connected with an end cover, and the end cover is mounted on the stirring zone shell by means of a plurality of end cover screws (22); the round shaft at the end passes through the end cover at the end A hand wheel (12) is connected to the circular shaft, the inner hole of the hand wheel is connected to the outer circumference of the circular shaft through a key (13), a gasket (15) is connected to the hand wheel and the side of the circular shaft away from the blade, an internal thread hole is provided at the end of the circular shaft, a fastening screw passes through the gasket and is threadedly connected to the internal thread hole, and a first internal thread (23) is provided in the sleeve area at the lower part of the stirring component; the isolation layer is a cylindrical structure, a first internal thread hole (28) is provided in the middle of the isolation layer, external threads (27) are provided at the upper and lower ends of the outer circumference of the isolation layer, and a plurality of second internal thread holes (26) are provided within a 180° range of the outer circumference of the isolation layer; a second internal thread is provided at the upper end of the outer circumference of the cylindrical part of the filter cup (29), a sewage outlet is arranged at the bottom end of the arc-shaped portion of the filter cup, and a glue outlet is arranged at the side of the arc-shaped portion; the external thread at the upper end of the isolation layer cooperates with the first internal thread of the sleeve area at the lower part of the stirring assembly, and the external thread at the lower end of the isolation layer cooperates with the second internal thread at the upper end of the outer circumference of the cylindrical portion of the filter cup; the upper part of the filter element has an external thread section (31), a shoulder ring is connected below the external thread section, a circular sealing ring (32) is arranged above the shoulder ring, an external hexagonal portion (33) is arranged below the shoulder ring, and a skeleton structure (35) is arranged below the external hexagonal portion, and a stainless steel filter screen (34) is arranged between the upper and lower skeletons of the skeleton structure, and the stainless steel filter screen forms a circular ring structure.

2. A secondary filtering device for cigarette machine overlap glue as claimed in claim 1, characterized in that: The mounting bracket comprises a bracket arc portion, the bracket arc portion matches the outer periphery of the isolation layer, and the mounting bracket is provided with a plurality of bracket mounting holes (36) in the length direction thereof, wherein two first bracket mounting holes in the middle are connected to the bracket arc portion, and one or more second bracket mounting holes are provided outside the two first bracket mounting holes in the middle.

3. A secondary filtering device for overlapping adhesive of cigarette making machine as claimed in claim 2, characterized in that: Four blades are mounted on the four surfaces of the square shaft (24), the blades are made of stainless steel, and each blade is fastened by a plurality of stainless steel slotted screws.

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