A waste tipping paper collection device

Abstract

The application discloses a kind of waste tipping paper collection devices, comprising: shell, cavity is equipped in it, shell is equipped with suction port;Roller, it is close to suction port setting, the axis of roller is parallel with the axis of paper cutting wheel, roller and suction port are sequentially arranged along the direction of rotation of paper cutting wheel;Compression roller, it is set on roller;Two connecting rods, connecting rod has first end and second end, the first end of two connecting rods is respectively connected with the two ends of roller;Shovel, it is connected with connecting rod, the cutting edge of shovel is close to the circumferential surface of compression roller setting;Driving mechanism, it is equipped in shell, driving mechanism is used to drive connecting rod reciprocating sliding along the extension direction of connecting rod, to make the circumferential surface of compression roller and the circumferential surface of paper cutting wheel be fitted or separate;Suction mechanism, it is equipped on shell, suction mechanism can make suction port place negative pressure.The waste tipping paper collection device provided by the application can effectively remove the waste tipping paper on the paper cutting wheel of cigarette making machine, so as to improve the quality of cigarette.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cigarette production and processing, and particularly relates to a waste tipping paper collecting device. BACKGROUND

[0002] When the cigarette making machine is running, the circumferential surface of the paper cutting wheel will generate a negative pressure, and the tipping paper coated with glue liquid cut by the paper cutting knife will be adsorbed. When the tipping paper runs to the joint of the paper cutting wheel and the comprehensive wheel, the tipping paper will be bonded with the cigarette and the mouthpiece on the comprehensive wheel to form a cigarette assembly. After the cigarette assembly passes through the joint of the paper cutting wheel and the comprehensive wheel, the negative pressure of the paper cutting wheel for adsorbing the cigarette assembly is closed, and then the cigarette assembly is transported along the guard plate to the tipping drum, so that the combination of the filter rod and the cigarette without the mouthpiece is completed. However, in the production process, short cigarette sampling or the falling of the mouthpiece and the cigarette often occurs, resulting in empty slot positions on the comprehensive wheel, and the cut tipping paper on the paper cutting wheel cannot be bonded with the cigarette and the mouthpiece. The tipping paper that is not bonded is called waste tipping paper. After the waste tipping paper passes through the joint of the paper cutting wheel and the comprehensive wheel, the waste tipping paper will continue to run on the circumferential surface of the paper cutting wheel in the direction of rotation of the paper cutting wheel under the action of the negative pressure adsorption of the paper cutting wheel. After a distance, the waste tipping paper will fly to the paper cutting wheel, the paper cutting knife, the comprehensive wheel, the tipping drum and other parts under the action of the air flow, and will be bonded to these parts, resulting in serious defects such as serious bonding of the tipping paper, buckling of the tipping paper and inclusion of the tipping paper, and affecting the effective operation of the equipment.

[0003] The existing cigarette making machine is generally provided with a scraper near the paper cutting wheel to scrape the waste tipping paper remaining on the paper cutting wheel. However, in order to prevent damage to the paper cutting wheel, a small gap is required between the blade of the scraper and the circumferential surface of the paper cutting wheel, and the thickness of the waste tipping paper is very small, so that part of the waste tipping paper will flow away from the small gap between the scraper and the paper cutting wheel, and cannot be effectively removed. In order to solve the problem, some cigarette making machines are provided with a blowing device near the paper cutting wheel to blow the waste tipping paper into a collection box. However, the air flow generated by the blowing device sometimes enhances the flying of the waste tipping paper, or blows the waste tipping paper out of the collection box, so that the waste tipping paper is secondarily flown and bonded to the paper cutting wheel, resulting in quality accidents. SUMMARY

[0004] The present application aims to solve the problem that the waste tipping paper on the paper cutting wheel of the cigarette making machine cannot be effectively removed, and the quality of the cigarette is defective. The waste tipping paper collecting device provided by the present application can effectively remove the waste tipping paper on the paper cutting wheel of the cigarette making machine, so as to improve the quality of the cigarette.

[0005] In order to solve the above technical problems, the embodiment of the present application discloses a waste tipping paper collecting device for removing the waste tipping paper attached to the paper cutting wheel of the cigarette making machine, comprising:

[0006] The shell is internally provided with a cavity, and the shell is provided with a suction port communicating with the cavity. The suction port faces the circumferential surface of the paper cutting wheel and has a gap between the suction port and the circumferential surface of the paper cutting wheel.

[0007] The roller shaft is arranged close to the suction port, and the axis of the roller shaft is parallel to the axis of the paper cutting wheel. The roller shaft and the suction port are arranged in sequence along the rotation direction of the paper cutting wheel.

[0008] The compression roller is sleeved on the roller shaft and can rotate relative to the roller shaft.

[0009] The two connecting rods have first ends and second ends. The first ends of the two connecting rods are connected to the two ends of the roller shaft, respectively. The connecting rods can reciprocate along the extension direction of the connecting rods relative to the shell.

[0010] The spade is connected to the connecting rod, and the cutting edge of the spade is arranged close to the circumferential surface of the compression roller.

[0011] The driving mechanism is arranged in the shell and is used to drive the connecting rod, the roller shaft, the compression roller and the spade to reciprocate along the extension direction of the connecting rod, so that the circumferential surface of the compression roller is attached to or separated from the circumferential surface of the paper cutting wheel.

[0012] The suction mechanism is arranged on the shell and can generate negative pressure at the suction port.

[0013] When the circumferential surface of the compression roller is attached to the circumferential surface of the paper cutting wheel, the paper cutting wheel can drive the compression roller to rotate around the axis of the compression roller. When the waste tipping paper passes between the paper cutting wheel and the compression roller, the compression roller can press the waste tipping paper on the paper cutting wheel, thereby preventing the waste tipping paper from falling or flying off the paper cutting wheel. After the waste tipping paper passes the joint of the paper cutting wheel and the compression roller, the waste tipping paper runs to the suction port. The suction mechanism can generate negative pressure at the suction port to suck the waste tipping paper into the shell, thereby effectively removing the waste tipping paper and preventing defects in the quality of cigarettes caused by the adhesion of the waste tipping paper, improving the quality of cigarettes and reducing production costs. Moreover, by arranging the spade, the waste tipping paper adhering to the compression roller can be removed by the spade, thereby preventing the waste tipping paper adhering to the compression roller from having adverse effects on production.

[0014] Optionally, the shell includes a first cover plate and a second cover plate arranged at intervals along the axis direction of the roller shaft, and a ring wall arranged between the first cover plate and the second cover plate. The first cover plate, the second cover plate and the ring wall jointly enclose the cavity. The suction port is arranged on the ring wall. The cavity includes a collection cavity and a suction passage. The suction passage is arranged between the suction port and the collection cavity, and the suction port and the collection cavity are communicated through the suction passage. An installation seat is arranged on the inner wall of each of the first cover plate and the second cover plate. A first installation hole is arranged on the installation seat. The two connecting rods are arranged in the two first installation holes, respectively, and the connecting rods can slide in the first installation holes.

[0015] Optionally, the driving mechanism comprises:

[0016] a rotating shaft rotatably arranged on the first cover plate and / or the second cover plate;

[0017] two cams fixedly connected to the rotating shaft, the two cams being in contact with the second ends of the two connecting rods respectively, the cams being capable of rotating relative to the housing between a first rotating position and a second rotating position, when the cams rotate to the first rotating position, the compression roller is not in contact with the paper cutting wheel, when the cams rotate to the second rotating position, the circumferential surface of the compression roller is in abutment with the circumferential surface of the paper cutting wheel.

[0018] By rotating the cam manually, the cam can drive the compression roller to move. Since manual rotation of the cam does not require the use of electricity or gas, the compression roller can still be controlled to move in the case of power failure or lack of gas, thereby improving the reliability of the equipment operation. In addition, since the cam has a small size, the structure of the equipment can be simplified and the size of the cleaning and collecting device can be reduced. Furthermore, the cam can accurately control the stroke of the compression roller, thereby improving the accuracy of the equipment.

[0019] Optionally, the connecting rod is a spring push rod, and the spring push rod comprises:

[0020] a first rod body arranged in the first mounting hole, one end of the first rod body being in contact with the cam, and the other end of the first rod body being provided with a second mounting hole;

[0021] a second rod body, one end of the second rod body being inserted into the second mounting hole, and the other end of the second rod body being connected to the roller shaft;

[0022] a spring arranged in the second mounting hole, one end of the spring being in contact with the bottom of the second mounting hole, and the other end of the spring being in contact with the end face of the second rod body.

[0023] By arranging the spring push rod, the spring push rod can exert pressure on the compression roller, so that the compression roller is more closely in abutment with the paper cutting wheel.

[0024] Optionally, the second end of the spring push rod is provided with a contact roller, the contact roller being hingedly connected to the first rod body, and the contact roller being in contact with the cam.

[0025] By using the contact roller to be in contact with the cam, when the cam rotates, the contact roller will rotate around its own axis under the action of the cam, thereby reducing the friction between the two.

[0026] Optionally, the profile curve of the cam comprises a first concave arc and a second concave arc in sequence along the first rotating direction; when the cam rotates to the first rotating position, the contact roller falls into the first concave arc and is in contact with the first concave arc; when the cam rotates to the second rotating position, the contact roller falls into the second concave arc and is in contact with the second concave arc.

[0027] The cam has good stability when rotating to the first rotating position and the second rotating position, and is prevented from rotating due to external interference factors.

[0028] Optionally, the housing further comprises a limiting mechanism, which is configured to limit rotation of the cam and the rotating shaft when the cam rotates to the first rotating position and the second rotating position.

[0029] Optionally, the limiting mechanism comprises:

[0030] a limiting piece made of metal material and arranged on the rotating shaft;

[0031] a first magnet arranged on an inner wall of the housing, and the limiting piece abuts against the first magnet when the cam rotates to the first rotating position;

[0032] a second magnet arranged on the inner wall of the housing, and the limiting piece abuts against the second magnet when the cam rotates to the second rotating position.

[0033] The rotating position of the cam is fixed by using the attraction between the limiting piece and the first magnet or the second magnet, so that the positioning accuracy of the cam rotation is improved, and the cam is prevented from moving after rotating to the first rotating position or the second rotating position, thereby improving the reliability of the equipment.

[0034] Optionally, the rotating shaft is provided with a handle that extends to the outside of the housing.

[0035] Optionally, the driving mechanism is a pneumatic cylinder.

[0036] Optionally, the suction mechanism comprises a first positive pressure inlet arranged on an inner wall of the air suction passage, an air inlet end of the first positive pressure inlet is in communication with the air source, and an air outlet end of the first positive pressure inlet faces the collecting cavity.

[0037] When high-pressure gas is introduced into the air suction passage through the first positive pressure inlet, the air outlet end of the first positive pressure inlet faces the direction in which the collecting cavity is located, so the high-pressure gas flows into the collecting cavity from the air outlet end of the first positive pressure inlet. According to Bernoulli's equation, the faster the gas flow rate, the smaller the pressure generated by the gas flow, which causes the gas in the surrounding area to flow with the gas flow. Therefore, the gas outside the suction port flows into the suction port from the outside of the suction port under the influence of the high-pressure gas flow, so that negative pressure is generated at the suction port, thereby sucking the waste tipping paper on the paper cutting wheel into the air suction passage, and then the waste tipping paper flows into the collecting cavity along with the gas flow in the air suction passage. According to the above technical solution, negative pressure can be generated at the suction port by introducing high-pressure gas into the first positive pressure inlet, thereby saving negative pressure generators and other negative pressure generating devices, and saving processing costs.

[0038] Optionally, it also includes a second positive pressure inlet provided on the first cover plate, the second positive pressure inlet being connected to the collection chamber, and a discharge port provided on the second cover plate, the discharge port being disposed opposite to the second positive pressure inlet.

[0039] By using the above technical solution, high-pressure gas can be introduced into the second positive pressure inlet to blow the waste paper in the collection chamber out from the discharge port, thereby achieving the removal of waste paper in the collection chamber.

[0040] Optionally, the first cover plate is also provided with an air supply port, which is located near the second positive pressure inlet port and is connected to the collection chamber.

[0041] Using the above technical solution, when high-pressure gas is introduced into the collection chamber through the second positive pressure inlet, since the second positive pressure inlet is set opposite to the discharge port, the high-pressure gas will flow from the second positive pressure inlet to the discharge port. According to Bernoulli's equation, the faster the gas flow rate, the lower the pressure generated by the airflow. This will cause the gas in the surrounding area to flow with the airflow. Therefore, the gas outside the air inlet will flow into the collection chamber from the outside of the air inlet under the influence of the high-pressure gas flow, forming air compensation, thereby increasing the air flow rate and enhancing the removal effect of waste paper.

[0042] Optionally, at least two annular grooves are spaced apart on the circumferential surface of the pressure roller, and at least two teeth are spaced apart on the blade of the scraper. The number of teeth is equal to the number of annular grooves, and each tooth is sequentially embedded in each groove.

[0043] By adopting the above technical solution, the scraper and the pressure roller can be closely matched, so that the scraper can better remove the waste spliced ​​paper adhering to the pressure roller.

[0044] Optionally, the pressure roller is made of rubber.

[0045] By adopting the above technical solution, since rubber has a certain elasticity and good wear resistance, using rubber to make pressure rollers can make the pressure rollers fit tightly with the paper cutting rollers, and at the same time extend the service life of the pressure rollers. Attached Figure Description

[0046] Figure 1 This diagram shows the appearance of a waste paper collection device according to an embodiment of the present invention. Figure One ;

[0047] Figure 2 This diagram shows the appearance of a waste paper collection device according to an embodiment of the present invention. Figure Two ;

[0048] Figure 3 This diagram illustrates the operation of a waste paper collection device according to an embodiment of the present invention.

[0049] Figure 4 This is a cross-sectional view of a waste paper collection device according to an embodiment of the present invention;

[0050] Figure 5 Show Figure 4 A magnified view of part A in the middle;

[0051] Figure 6 This diagram illustrates the positional relationship between the cam and the connecting rod according to an embodiment of the present invention. Figure One ;

[0052] Figure 7 This diagram illustrates the positional relationship between the cam and the connecting rod according to an embodiment of the present invention. Figure Two ;

[0053] Figure 8 This diagram illustrates the structure of the pressure roller and connecting rod in cooperation according to an embodiment of the present invention.

[0054] Figure 9 This diagram illustrates the positional relationship between the pressure roller and the scraper according to an embodiment of the present invention.

[0055] Reference numerals: 1. Cutting roller; 2. Composite roller; 3. Housing; 31. Cavity; 311. Collection chamber; 312. Suction channel; 32. Suction port; 33. First cover plate; 34. Second cover plate; 35. Annular wall; 36. Mounting base; 37. First mounting hole; 4. Roller shaft; 5. Pressure roller; 51. Annular groove; 6. Connecting rod; 61. First rod body; 611. Second mounting hole; 62. Second rod body; 63. Spring; 64. 7. Contact roller; 8. Drive mechanism; 9. Rotary shaft; 10. Cam; 11. First concave arc; 12. Second concave arc; 13. Handle; 14. Suction mechanism; 15. First positive pressure inlet; 16. Second positive pressure inlet; 17. Discharge port; 18. Air supply port; 19. Limiting mechanism; 10. Limiting element; 10. First magnet; 11. Second magnet; 12. Shovel; 13. Teeth; 14. Tipping paper; 15. Cigarette stick. Detailed Implementation

[0056] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention is presented in conjunction with preferred embodiments, this does not mean that the features of the invention are limited to these embodiments. On the contrary, the purpose of describing the invention in conjunction with embodiments is to cover other options or modifications that may be derived based on the claims of the present invention. To provide a deep understanding of the invention, many specific details will be included in the following description. The invention may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of the invention, some specific details will be omitted in the description. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0057] In the description of this embodiment, it should be noted that the terms "upper," "lower," "left," "right," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the invention is usually placed in during use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0058] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0059] The terms “first”, “second”, etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0060] In the description of this embodiment, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

[0061] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0062] When the cigarette rolling machine is running, a negative pressure is generated on the circumference of the paper cutting roller 1, which adsorbs the tipping paper 11, which has been cut by the paper cutter and coated with adhesive. When the tipping paper 11 reaches the junction of the paper cutting roller 1 and the consolidating roller 2, it adheres to the cigarette 12 and the filter rod on the consolidating roller 2, forming a cigarette assembly. After the cigarette assembly passes the junction of the paper cutting roller 1 and the consolidating roller 2, the negative pressure that adsorbs the cigarette assembly on the paper cutting roller 1 is closed. Subsequently, the cigarette assembly is transported along the guard plate to the joining drum, thus completing the combination of the filter rod and the filterless cigarette. However, during the production process, short cigarette samples or the filter rod and cigarette 12 often fall off, resulting in empty slots on the consolidating roller 2. The tipping paper 11 cut on the paper cutting roller 1 cannot adhere to the cigarette 12 and the filter rod. The unbonded splice paper 11 is called waste splice paper. After passing the junction of the cutting roller 1 and the consolidating roller 2, when the cutting roller 1 no longer exerts negative pressure on it, the waste splice paper will continue to adhere to the circumference of the cutting roller 1 along the rotation direction of the cutting roller 1 due to inertia. After running for a distance, it will be blown by the airflow to the cutting roller 1, the cutting cutter, the consolidating roller 2, the splicing roller, etc., and stick to these parts. This will cause serious defects such as uneven splice paper 11 adhesion, splice paper buckle warping, and splice paper buckle jamming, which will affect the effective operation of the equipment.

[0063] Existing cigarette rolling machines generally have a scraper installed near the cutting roller 1 to scrape off residual waste tipping paper. However, to prevent damage to the cutting roller 1, a small gap must be left between the scraper blade and the circumference of the cutting roller 1. Since the waste tipping paper is very thin, some of it flows through this small gap and cannot be effectively removed. To solve this problem, some cigarette rolling machines have a cleaning device near the cutting roller 1 to blow the waste tipping paper into the collection box. However, the airflow generated by the cleaning device sometimes increases the dispersion of waste tipping paper or blows it out of the collection box, causing secondary dispersion and adhesion to the cutting roller 1, leading to quality issues.

[0064] To solve the above-mentioned technical problems, embodiments of the present invention provide a waste tipping paper collection device for removing waste tipping paper attached to the paper cutting wheel 1 of a cigarette machine, such as... Figure 3 , Figure 4 As shown, it includes:

[0065] The housing 3 has a cavity 31 inside and a suction port 32 on the housing 3. The suction port 32 is connected to the cavity 31. The suction port 32 faces the circumferential surface of the paper cutting wheel 1 and there is a gap between the suction port 32 and the circumferential surface of the paper cutting wheel 1.

[0066] Roller 4 is positioned near the suction port 32. The axis of roller 4 is parallel to the axis of paper cutting wheel 1. Roller 4 and suction port 32 are arranged sequentially along the rotation direction of paper cutting wheel 1.

[0067] The pressure roller 5 is sleeved on the roller shaft 4 and can rotate relative to the roller shaft 4.

[0068] Two connecting rods 6, each having a first end and a second end, are connected at their first ends to the two ends of the roller shaft 4 respectively. The connecting rods 6 can slide back and forth relative to the housing 3 along the extension direction of the connecting rods 6.

[0069] The scraper 10 is connected to the connecting rod 6, and the blade of the scraper 10 is set close to the circumferential surface of the pressure roller 5;

[0070] The drive mechanism 7 is located inside the housing 3. The drive mechanism 7 is used to drive the connecting rod 6, roller 4, pressure roller 5 and scraper 10 to slide back and forth along the extension direction of the connecting rod 6 so that the circumferential surface of the pressure roller 5 is in contact with or separate from the circumferential surface of the paper cutting wheel 1.

[0071] The suction mechanism 8 is located on the housing 3. The suction mechanism 8 can generate negative pressure at the suction port 32.

[0072] Using the above technical solution, when the circumferential surface of the pressure roller 5 is in contact with the circumferential surface of the paper cutting wheel 1, the paper cutting wheel 1 can drive the pressure roller 5 to rotate around its own axis. When waste spliced ​​paper passes between the paper cutting wheel 1 and the pressure roller 5, the pressure roller 5 can press the waste spliced ​​paper onto the paper cutting wheel 1, thereby preventing the waste spliced ​​paper from falling off or flying away from the paper cutting wheel 1. After the waste spliced ​​paper passes the junction of the paper cutting wheel 1 and the pressure roller 5, the waste spliced ​​paper runs to the suction port 32. The suction mechanism 8 can generate a negative pressure at the suction port 32, sucking the waste spliced ​​paper into the housing 3, thereby effectively removing the waste spliced ​​paper, preventing defects in cigarette quality caused by the adhesion of waste spliced ​​paper, improving cigarette quality, and reducing production costs. Furthermore, by setting a scraper 10, the waste spliced ​​paper adhering to the pressure roller 5 can be removed, thereby preventing the waste spliced ​​paper adhering to the pressure roller 5 from having an adverse effect on production. In addition, by setting the drive mechanism 7, the pressure roller 5 can be separated from the paper cutting wheel 1 when the cigarette machine stops, thereby preventing the pressure roller 5 from interfering with the paper cutting wheel 1 when it is replaced or repaired.

[0073] Furthermore, such as Figure 1 , Figure 2 , Figure 4 As shown, the housing 3 includes a first cover plate 33 and a second cover plate 34 spaced apart along the axial direction of the roller shaft 4, and an annular wall 35 disposed between the first cover plate 33 and the second cover plate 34. The first cover plate 33, the second cover plate 34, and the annular wall 35 together form a cavity 31. A suction port 32 is disposed on the annular wall 35. The cavity 31 includes a collection chamber 311 and a suction channel 312. The suction channel 312 is disposed between the suction port 32 and the collection chamber 311, and the suction port 32 and the collection chamber 311 are connected through the suction channel 312. Figure 4 ,Figure 8 As shown, a mounting base 36 is provided on the inner wall of the first cover plate 33 and the second cover plate 34. The mounting base 36 is provided with a first mounting hole 37. Two connecting rods 6 are respectively provided in the two first mounting holes 37, and the connecting rods 6 can slide in the first mounting hole 37 along the axial direction of the first mounting hole 37.

[0074] Furthermore, the drive mechanism 7, such as Figure 6 , Figure 7 , Figure 8 As shown, it includes:

[0075] The rotating shaft 71 is rotatably mounted on the first cover plate 33 and / or the second cover plate 34;

[0076] Two cams 72 are fixedly connected to the rotating shaft 71. The two cams 72 respectively contact the second ends of the two connecting rods 6. The cams 72 can be in a first rotational position relative to the housing 3 (e.g., Figure 6 (as shown) and the second rotation position (as shown) Figure 7 The pressure roller 5 rotates between the two positions shown. When the cam 72 rotates to the first rotation position, the pressure roller 5 does not contact the paper cutting wheel 1. When the cam 72 rotates to the second rotation position, the circumferential surface of the pressure roller 5 is in contact with the circumferential surface of the paper cutting wheel 1.

[0077] By adopting the above technical solution, the cam 72 can be manually rotated to drive the pressure roller 5 to move. Since manually rotating the cam 72 does not require the use of electricity, air or other energy sources, the movement of the pressure roller 5 can still be controlled in the event of a power outage or lack of air supply, thus improving the reliability of equipment operation. Furthermore, since the cam 72 is small in size, the equipment structure can be simplified and the volume of the collection device can be reduced. In addition, the cam 72 can precisely control the stroke of the pressure roller 5, thereby improving the accuracy of the equipment.

[0078] Furthermore, connecting rod 6 is a spring-loaded push rod, as shown in the image. Figure 7 , Figure 8 As shown, it includes:

[0079] The first rod 61 is disposed in the first mounting hole 37. One end of the first rod 61 is in contact with the cam 72, and the other end of the first rod 61 is provided with a second mounting hole 611.

[0080] The second rod 62 has one end inserted into the second mounting hole 611 and the other end connected to the roller shaft 4. The scraper 10 is fixedly mounted on the second rod 62.

[0081] Spring 63 is disposed in the second mounting hole 611. One end of spring 63 is in contact with the bottom of the second mounting hole 611, and the other end of spring 63 is in contact with the end face of the second rod 62.

[0082] By adopting the above technical solution, by setting a spring top rod, the spring top rod can apply pressure to the pressure roller 5, thereby making the pressure roller 5 fit more tightly with the paper cutting wheel 1.

[0083] Furthermore, the upper edge of the second mounting hole 611 is provided with a first limiting protrusion, and the lower edge of the second rod 62 is provided with a second limiting protrusion. When the second rod 62 slides to the outside of the second mounting hole 611 to the maximum limit, the first limiting protrusion and the second limiting protrusion come into contact to prevent the second rod 62 from coming out of the second mounting hole 611.

[0084] Furthermore, the second end of the spring push rod is provided with a contact roller 64, which is hinged to the first rod body 61 and contacts the cam 72. Using the above technical solution, by utilizing the contact roller 64 in contact with the cam 72, when the cam 72 rotates, the contact roller 64 will rotate around its own axis under the action of the cam 72, thereby reducing the friction between the two.

[0085] Furthermore, the profile curve of cam 72 is along the first rotational direction (e.g., Figure 6 , Figure 7 The R direction shown in the diagram includes a first concave arc 721 and a second concave arc 722. When the cam 72 rotates to the first rotation position, the contact roller 64 falls within the first concave arc 721 and contacts it. When the cam 72 rotates to the second rotation position, the contact roller 64 falls within the second concave arc 722 and contacts it. Using this technical solution, the first concave arc 721 and the second concave arc 722 can provide a certain limiting effect on the cam 72, thereby ensuring good stability when the cam 72 rotates to the first and second rotation positions, preventing the cam 72 from rotating due to external interference.

[0086] Furthermore, the housing 3 is also provided with a limiting mechanism 9, which is used to limit the rotation of the cam 72 and the rotating shaft 71 when the cam 72 rotates to the first rotation position and the second rotation position.

[0087] Specifically, the limiting mechanism 9, such as Figure 6 , Figure 7 As shown, it includes:

[0088] A limiting member 91 is provided on the rotating shaft 71. The limiting member 91 is made of a magnetic metal material (i.e., a material that can be attracted by a magnet); for example, the limiting member 91 may be made of iron, cobalt or nickel.

[0089] The first magnet 92 is connected to the inner wall of the housing 3 through a connector. When the cam 72 rotates to the first rotation position, the limiting member 91 abuts against the first magnet 92.

[0090] The second magnet 93 is connected to the inner wall of the housing 3 through a connector. When the cam 72 rotates to the second rotation position, the limiting member 91 abuts against the second magnet 93.

[0091] By adopting the above technical solution, the rotational position of the cam 72 is fixed by using the attraction between the limiting member 91 and the first magnet 92 or the second magnet 93. This can improve the positioning accuracy of the cam 72 rotation and ensure that the cam 72 does not move after rotating to the first rotational position or the second rotational position, thereby improving the reliability of the equipment.

[0092] Furthermore, a handle 73 is provided on the rotating shaft 71, and the handle 73 extends outside the housing 3. By shaking the handle 73, the rotating shaft 71 can be rotated, thereby driving the cam 72 to rotate.

[0093] Furthermore, the drive mechanism 7 can also be a cylinder.

[0094] Furthermore, such as Figure 5 As shown, the suction mechanism 8 includes a first positive pressure inlet 81, which is located on the inner wall of the suction channel 312. The air inlet of the first positive pressure inlet 81 is connected to the air source, and the air outlet of the first positive pressure inlet 81 faces the collection chamber 311.

[0095] When high-pressure gas is introduced into the suction channel 312 through the first positive pressure inlet 81, the airflow direction in the suction channel 312 is as follows: Figure 5 The arrows in the diagram indicate the direction. Since the outlet of the first positive pressure inlet 81 faces the direction of the collection chamber 311, high-pressure gas flows from the outlet of the first positive pressure inlet 81 into the collection chamber 311. According to Bernoulli's equation, the faster the gas flow, the lower the pressure generated by the airflow. This causes the gas in the surrounding area to flow with the airflow. Therefore, the gas outside the suction port 32 will flow into the suction port 32 under the influence of the high-pressure gas flow, creating a negative pressure at the suction port 32. This draws the waste paper from the paper cutting roller 1 into the suction channel 312, and then the waste paper flows into the collection chamber 311 with the gas flow in the suction channel 312. Using the above technical solution, a negative pressure can be generated at the suction port 32 by introducing high-pressure gas into the first positive pressure inlet 81, thus saving on negative pressure generators and other negative pressure generating devices, and reducing processing costs.

[0096] Furthermore, such as Figure 1As shown, it also includes a second positive pressure inlet 82 disposed on the first cover plate 33, the second positive pressure inlet 82 being connected to the collection chamber 311, and a discharge port 83 disposed on the second cover plate 34, the discharge port 83 being disposed opposite to the second positive pressure inlet 82. By introducing high-pressure gas into the second positive pressure inlet 82, waste paper in the collection chamber 311 can be blown out from the discharge port 83, thereby achieving the removal of waste paper in the collection chamber 311.

[0097] Furthermore, a waste bin is provided outside the discharge port 83 to collect waste paper blown out of the discharge port 83, thereby facilitating manual cleaning.

[0098] Furthermore, the first cover plate 33 is also provided with an air inlet 84, which is located near the second positive pressure inlet 82 and is connected to the collection chamber 311. When high-pressure gas is introduced into the collection chamber 311 through the second positive pressure inlet 82, since the second positive pressure inlet 82 is opposite to the discharge port 83, the high-pressure gas will flow from the second positive pressure inlet 82 to the discharge port 83. According to Bernoulli's equation, the faster the gas flow rate, the lower the pressure generated by the airflow. This will cause the gas in the surrounding area to flow with the airflow. Therefore, the gas outside the air inlet 84 will flow into the collection chamber 311 from the outside of the air inlet 84 under the influence of the high-pressure gas flow, forming air compensation, thereby increasing the air flow rate and enhancing the removal effect of waste paper.

[0099] Furthermore, the projection of the collecting cavity 311 along the axial direction of the pressure roller 5 is oval, that is, an ellipse with different sizes at both ends, similar to an egg. Specifically, the collecting cavity 311 includes a suction cavity and a discharge cavity. The suction cavity is located on one side near the suction channel 312 and is connected to the suction channel 312; the discharge cavity is located on one side near the second positive pressure inlet 82 and the discharge outlet 83, and is connected to the second positive pressure inlet 82 and the discharge outlet 83. By setting the collecting cavity 311 to an oval shape, with the suction cavity and the discharge cavity located at both ends of the oval collecting cavity 311, a certain distance can be separated between the suction area and the discharge area, so that the waste tipped paper completely falls into the discharge area and is then blown out to the outside of the discharge outlet 83, thereby preventing the sucked-in waste tipped paper from returning from the discharge area to the suction area under the influence of airflow.

[0100] Furthermore, such as Figure 9 As shown, at least two annular grooves 51 are spaced apart on the circumferential surface of the pressure roller 5, and at least two teeth 101 are spaced apart on the blade of the scraper 10. The number of teeth 101 is equal to the number of annular grooves 51, and each tooth 101 is sequentially embedded in each groove. By adopting the above technical solution, the scraper 10 can be tightly fitted with the pressure roller 5, thereby enabling the scraper 10 to better remove waste spliced ​​paper adhering to the pressure roller 5.

[0101] Furthermore, the pressure roller 5 is made of rubber. Because rubber has a certain elasticity and good wear resistance, using rubber to make the pressure roller 5 allows the pressure roller 5 to fit tightly with the paper cutting wheel 1, while also extending the service life of the pressure roller 5.

[0102] The working principle of the waste paper collection device provided in this embodiment of the invention is as follows:

[0103] When it is necessary to remove the waste paper attached to the paper cutting wheel 1, the handle 73 is manually turned to rotate the cam 72 from the first rotation position to the second rotation position. The cam 72 pushes the connecting rod 6 outward. When the contact roller 64 falls into the second concave arc 722, the cam 72 is in the second rotation position. At this time, the circumferential surface of the pressure roller 5 is in contact with the circumferential surface of the paper cutting wheel 1, and the limiting member 91 is attracted to the second magnet 93 to fix the cam 72. Subsequently, the pressure roller 5 rotates around its own axis under the drive of the paper cutting wheel 1. When waste spliced ​​paper passes between the cutting roller 1 and the pressure roller 5, the pressure roller 5 presses the waste spliced ​​paper onto the cutting roller 1, thus preventing it from falling off or flying away. After the waste spliced ​​paper passes the junction of the cutting roller 1 and the pressure roller 5, it reaches the suction port 32. At this time, the high-pressure gas blown into the suction channel 312 through the first positive pressure inlet 81 creates a negative pressure at the suction port 32, drawing the waste spliced ​​paper into the suction channel 312. Simultaneously, as the pressure roller 5 rotates, the scraper 10 removes the waste spliced ​​paper adhering to the pressure roller 5, and the removed waste spliced ​​paper is also drawn into the suction channel 312. Subsequently, the waste spliced ​​paper falls into the collection chamber 311 along the airflow through the suction channel 312. The waste spliced ​​paper deposited at the bottom of the collection chamber 311 is blown out to the outside of the discharge port 83 by the high-pressure gas introduced from the second positive pressure inlet 82.

[0104] When the equipment stops, there is no need to remove the waste paper. At this time, manually turn the handle 73 to make the cam 72 rotate from the second rotation position to the first rotation position. The connecting rod 6, without the support provided by the cam 72, slides down under the action of gravity. When the cam 72 rotates to the first rotation position, the contact roller 64 falls into the first concave arc 721. At this time, the limiting member 91 attracts the first magnet 92 to fix the cam 72.

[0105] While the present invention has been illustrated and described with reference to certain preferred embodiments, those skilled in the art should understand that the above description is a further detailed explanation of the invention in conjunction with specific embodiments, and should not be construed as limiting the specific implementation of the invention to these descriptions. Various changes in form and detail can be made by those skilled in the art, including several simple deductions or substitutions, without departing from the spirit and scope of the invention.

Claims

1. A waste tipping paper collection device for removing waste tipping paper attached to the paper cutting wheel of a cigarette machine, characterized in that, include: The housing has a cavity inside, and a suction port is provided on the housing. The suction port is connected to the cavity, and the suction port faces the circumferential surface of the paper cutting wheel. There is a gap between the suction port and the circumferential surface of the paper cutting wheel. A roller shaft is positioned close to the suction port, the axis of the roller shaft is parallel to the axis of the paper cutting wheel, and the roller shaft and the suction port are arranged sequentially along the rotation direction of the paper cutting wheel; A pressure roller is sleeved on the roller shaft, and the pressure roller can rotate relative to the roller shaft; Two connecting rods, each having a first end and a second end, wherein the first ends of the two connecting rods are respectively connected to the two ends of the roller shaft, and the connecting rods are capable of reciprocating relative to the housing along the extension direction of the connecting rods; A shovel blade is connected to the connecting rod, and the blade of the shovel blade is positioned close to the circumferential surface of the pressure roller; A drive mechanism is provided inside the housing. The drive mechanism is used to drive the connecting rod, the roller shaft, the pressure roller and the scraper to slide back and forth along the extension direction of the connecting rod, so that the circumferential surface of the pressure roller is in contact with or separates from the circumferential surface of the paper cutting wheel. A suction mechanism is provided on the housing, which can generate negative pressure at the suction port.

2. The waste paper collection device as described in claim 1, characterized in that, The housing includes a first cover plate and a second cover plate spaced apart along the axial direction of the roller shaft, and an annular wall disposed between the first cover plate and the second cover plate. The first cover plate, the second cover plate, and the annular wall together form the cavity. The suction port is disposed on the annular wall. The cavity includes a collection chamber and a suction channel. The suction channel is disposed between the suction port and the collection chamber, and the suction port and the collection chamber are connected through the suction channel. Each of the inner walls of the first cover plate and the second cover plate is provided with a mounting seat. The mounting seat is provided with a first mounting hole. The two connecting rods are respectively disposed in the two first mounting holes, and the connecting rods can slide within the first mounting holes.

3. The waste paper collection device as described in claim 2, characterized in that, The drive mechanism includes: A rotating shaft is rotatably mounted on the first cover plate and / or the second cover plate; Two cams are fixedly connected to the rotating shaft. The two cams respectively contact the second ends of the two connecting rods. The cams can rotate relative to the housing between a first rotation position and a second rotation position. When the cam rotates to the first rotation position, the pressure roller and the paper cutting wheel are not in contact. When the cam rotates to the second rotation position, the circumferential surface of the pressure roller is in contact with the circumferential surface of the paper cutting wheel.

4. The waste paper collection device as described in claim 3, characterized in that, The connecting rod is a spring-loaded rod, and the spring-loaded rod includes: A first rod is disposed in the first mounting hole, one end of the first rod is in contact with the cam, and the other end of the first rod is provided with a second mounting hole; The second rod has one end inserted into the second mounting hole and the other end connected to the roller shaft; A spring is disposed in the second mounting hole, one end of the spring is in contact with the bottom of the second mounting hole, and the other end of the spring is in contact with the end face of the second rod.

5. The waste paper collection device as described in claim 4, characterized in that, The second end of the spring push rod is provided with a contact roller, which is hinged to the first rod body and contacts the cam.

6. The waste paper collection device as described in claim 5, characterized in that, The profile curve of the cam includes a first concave arc and a second concave arc in sequence along the first rotation direction; when the cam rotates to the first rotation position, the contact roller falls within the first concave arc and contacts the first concave arc; when the cam rotates to the second rotation position, the contact roller falls within the second concave arc and contacts the second concave arc.

7. The waste paper collection device as described in claim 3, characterized in that, The housing is also provided with a limiting mechanism, which is used to limit the rotation of the cam and the shaft when the cam rotates to the first rotation position and the second rotation position.

8. The waste paper collection device as described in claim 7, characterized in that, The limiting mechanism includes: A limiting member is provided on the rotating shaft, and the limiting member is made of metal material; A first magnet is disposed on the inner wall of the housing. When the cam rotates to the first rotation position, the limiting member abuts against the first magnet. The second magnet is disposed on the inner wall of the housing. When the cam rotates to the second rotation position, the limiting member abuts against the second magnet.

9. The waste paper collection device as described in claim 3, characterized in that, The shaft is provided with a handle that extends outside the housing.

10. The waste paper collection device as described in claim 2, characterized in that, The driving mechanism is a cylinder.

11. The waste paper collection device as described in claim 2, characterized in that, The suction mechanism includes a first positive pressure inlet, which is located on the inner wall of the suction channel. The air inlet of the first positive pressure inlet is connected to an air source, and the air outlet of the first positive pressure inlet faces the collection chamber.

12. The waste paper collection device as described in claim 11, characterized in that, It also includes a second positive pressure inlet provided on the first cover plate, the second positive pressure inlet being connected to the collection chamber, and a discharge port provided on the second cover plate, the discharge port being disposed opposite to the second positive pressure inlet.

13. The waste paper collection device as described in claim 12, characterized in that, The first cover plate is also provided with an air inlet, which is located near the second positive pressure inlet and is connected to the collection chamber.

14. The waste paper collection device as described in claim 1, characterized in that, The pressure roller has at least two annular grooves spaced apart on its circumferential surface, and the blade of the shovel has at least two teeth spaced apart. The number of teeth is equal to the number of annular grooves, and each tooth is sequentially embedded in each groove.

15. The waste paper collection device according to any one of claims 1 to 14, characterized in that, The pressure roller is made of rubber.

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