Cam-free cigarette separation drum wheel

Abstract

The utility model relates to the technical field of cigarette production, in particular to a cigarette separation drum wheel, in particular to a cam-free cigarette separation drum wheel. In order to solve the problem that a traditional cam type cigarette separation drum wheel is high in maintenance cost, the novel cam-free type cigarette separation drum wheel is provided and comprises a fixing base, a negative pressure pipe, a first wheel body, a second wheel body, a plurality of separation assemblies, a plurality of reset assemblies, a driving assembly and a limiting disc. A separation mode of a cam is replaced by the ingenious design of the sliding cavity and the piston, so that the disassembly and replacement frequency of other parts such as a bearing due to abrasion, replacement and disassembly of the cam is reduced, the service life of the parts such as the bearing is prolonged, the maintenance cost is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette production, in particular to a cigarette separation drum wheel, specifically a camless cigarette separation drum wheel. Background Art

[0002] In cigarette production equipment, the cigarette separation drum is one of the important equipment. The function of the cigarette separation drum is to separate two cigarettes by a distance so as to put them into the filter segment. The traditional cigarette separation drum is a cam structure, but in actual use, the cam often suffers from contact wear and damage, which is difficult to repair after damage. At the same time, in the process of continuous maintenance and disassembly of the cam, other components such as bearings will also be worn, which increases maintenance costs and reduces production efficiency. Summary of the invention

[0003] In order to solve the problem of high maintenance cost of the traditional cam-type cigarette separation drum, the utility model provides a new cam-free cigarette separation drum.

[0004] The utility model is realized by adopting the following technical solutions:

[0005] A camless cigarette separation drum wheel comprises a fixed seat, a negative pressure tube with a sealed right end, a first wheel body, a second wheel body, a plurality of separation components, a plurality of reset components, a driving component, and a limiting plate with a center hole thereon, the left end of the negative pressure tube is fixed to the right end surface of the fixed seat, the fixed seat is provided with a negative pressure inlet communicated with the negative pressure tube, a right bearing is arranged between the outer circumferential surface of the right end of the negative pressure tube and the center hole of the limiting plate, a negative pressure outlet is arranged in the middle of the negative pressure tube, the first wheel body and the second wheel body are arranged in turn between the fixed seat and the limiting plate on the left and right sides and are both rotatably sleeved on the negative pressure tube, and the driving component is used to drive the limiting plate to rotate;

[0006] The first wheel body comprises a first wheel main body, and a plurality of first cigarette grooves are evenly distributed on the outer wall of the first wheel main body in the circumferential direction, and the length direction of the first cigarette grooves is arranged along the axial direction of the first wheel main body, and a plurality of first suction ports that can communicate with the negative pressure outlet when cigarettes need to be sucked are evenly distributed on the bottom of each first cigarette groove in the axial direction;

[0007] The second wheel body comprises a second wheel body formed by splicing a plurality of fan-shaped bodies, and a plurality of second cigarette grooves are evenly distributed on the outer wall of the second wheel body in the circumferential direction, and the length direction of the second cigarette grooves is arranged along the axial direction of the second wheel body. The number and position of the second cigarette grooves match those of the first cigarette grooves, and a plurality of second suction ports that can communicate with the negative pressure outlet when cigarettes need to be sucked are evenly distributed on the bottom of each second cigarette groove in the axial direction;

[0008] The number of the plurality of separation components is consistent with the number of the plurality of fan-shaped bodies, and each separation component includes a sliding cavity, a piston, and a movable rod. The sliding cavity penetrates the first wheel body and the length direction of the sliding cavity is parallel to the axial direction of the first wheel body. The piston is arranged in the sliding cavity for sliding left and right. One end of the movable rod is fixed to the right end face of the piston, and the other end of the movable rod is fixed to the left end face of the corresponding fan-shaped body. The fixed seat is provided with a high-pressure air inlet hole and a high-pressure air discharge hole which are arranged through left and right. The high-pressure air inlet hole and the high-pressure air discharge hole are respectively distributed on the front side and the rear side of the fixed seat. The high-pressure air inlet hole and the negative pressure outlet are both located on the front side. When the fan-shaped body is rotated to the point where the second adsorption port thereon is connected to the negative pressure outlet, the high-pressure air inlet hole is adapted to be connected to the corresponding sliding cavity. When the fan-shaped body is rotated to the point where the second adsorption port thereon is not connected to the negative pressure outlet, the high-pressure air discharge hole is adapted to be connected to the corresponding sliding cavity.

[0009] The number of multiple reset assemblies is consistent with the number of multiple fan-shaped bodies. Each reset assembly includes a guide hole, a guide slide rod, and a reset spring. The guide hole is located in the fan-shaped body and the length direction of the guide hole is parallel to the axial direction of the second wheel body. The guide slide rod slides left and right and is adapted to the guide rod. The right end of the guide slide rod is fixed to the left end face of the limit plate, and the left end of the guide slide rod is fixed to the right end face of the first wheel body. The reset spring is sleeved on the guide slide rod and is located between the right end face of the corresponding fan-shaped body and the left end face of the limit plate.

[0010] Working principle: When in use, the driving component drives the limit plate to rotate, thereby driving the first wheel body and the second wheel body to rotate, and negative pressure enters the negative pressure tube from the negative pressure inlet. When the fan-shaped main body in the second wheel body rotates until the second adsorption port thereon is connected to the negative pressure outlet, the two cigarettes are respectively adsorbed on the corresponding first cigarette groove and the second cigarette groove. At this time, the high-pressure air inlet hole is connected with the corresponding sliding cavity, and the sliding cavity is filled with high-pressure gas, thereby pushing the piston to move to the right, and then pushing the corresponding fan-shaped main body to move to the right, so as to separate the two cigarettes. At this time, the reset spring in the corresponding reset component is compressed. When the fan-shaped main body rotates to the point where the second adsorption port thereon is not connected to the negative pressure outlet, the two cigarettes fall off from the first wheel body and the second wheel body. When the corresponding first wheel body rotates to the point where its high-pressure air release hole is connected to the corresponding sliding cavity, the high-pressure gas in the sliding cavity is released through the high-pressure air release hole. At this time, the reset spring in the corresponding reset component is reset, the corresponding fan-shaped main body is reset, and the piston moves left, and they reciprocate in sequence.

[0011] Furthermore, the driving assembly includes a first gear, a second gear, and a motor. The first gear is fixed to the limiting plate, the second gear is meshed with the first gear, and the second gear is fixed to the motor shaft. The structure of the transmission assembly is specific. When in use, the motor is started, the motor shaft rotates, driving the second gear to rotate, the first gear to rotate, thereby driving the limiting plate to rotate, the limiting plate rotates, thereby driving the first wheel body and the second wheel body to rotate.

[0012] Furthermore, the right end face of the negative pressure tube extends outward from the right side face of the limit plate, and a protective end cover located on the right side of the limit plate is fixed to the right end face of the negative pressure tube to prevent the operator from being injured when the limit plate rotates.

[0013] In a specific implementation, the left side of the sliding cavity of the first wheel body is radially expanded outward to have a high-pressure air inlet port adapted to the high-pressure air inlet hole, so as to facilitate the high-pressure gas to enter the sliding cavity and improve the stability of the separation component.

[0014] In specific implementation, a circular groove is coaxially provided on the left end face of the first wheel body, the negative pressure outlet is located on the right side of the part of the negative pressure tube corresponding to the circular groove, and a left bearing is arranged between the circular groove and the negative pressure tube, so that the structure is more stable.

[0015] In specific implementation, a pressurization chamber adapted to the high-pressure air inlet hole is provided on the front side of the left end face of the fixing seat, and a decompression chamber adapted to the high-pressure air release hole is provided on the rear side of the left end face of the fixing seat, so as to improve the stability of separation and ensure the normal separation of the two cigarettes.

[0016] During specific implementation, the first adsorption opening and the second adsorption opening are both arranged radially to improve the adsorption effect on the cigarette.

[0017] In this specific implementation, there are four fan-shaped bodies, four separation components, and four reset components, and the structure is specific and standardized. In this specific implementation, the central angle of the negative pressure outlet is 180 degrees. The structure is specific and reasonable.

[0018] The beneficial effects of the utility model are as follows: the utility model replaces the separation mode of the cam through the ingenious design of the sliding cavity and the piston, thereby reducing the frequency of disassembly and replacement of other components such as bearings due to cam wear, replacement, and disassembly, extending the service life of components such as bearings, reducing maintenance costs, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings herein are incorporated into and constitute a part of the specification, show embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2It is a schematic diagram of the assembly structure of the first wheel body and the negative pressure tube;

[0023] Figure 3 It is a schematic diagram of the assembly structure of the second wheel body and the negative pressure tube;

[0024] Figure 4 It is a schematic diagram of the structure of the separation component;

[0025] Figure 5 It is a structural schematic diagram of the left end surface of the fixing seat;

[0026] Figure 6 It is a structural schematic diagram of the right end surface of the fixed seat.

[0027] In the figure: 1-fixed seat, 2-protective end cover, 3-negative pressure tube, 4-negative pressure inlet, 5-negative pressure outlet, 6-first wheel body, 61-first wheel body, 62-first smoke groove, 63-first adsorption port, 7-second wheel body, 71-fan ring body, 72-second smoke groove, 73-second adsorption port, 8-separation component, 81-sliding cavity, 82-piston, 83-movable rod, 84-high pressure air inlet, 9-limiting plate, 10-guide slide rod, 11-guide hole, 12-reset spring, 13-high pressure air inlet hole, 14-high pressure air release hole, 15-pressurization chamber, 16-decompression chamber. DETAILED DESCRIPTION

[0028] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the scheme of the utility model will be further described below. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0029] In the description, it should be noted that the terms "first" and "second" are only used for descriptive purposes and should not be understood as indicating or implying relative importance. It should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be internal communication between two elements. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0031] The specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0032] like Figures 1 to 5 As shown, a camless cigarette separation drum comprises a fixed seat 1, a negative pressure tube 3 sealed at the right end thereof, a first wheel body 6, a second wheel body 7, a plurality of separation components 8, a plurality of reset components, a driving component, and a limiting plate 9 with a center hole thereon. The left end of the negative pressure tube 3 is fixed to the right end surface of the fixed seat 1, and the fixed seat 1 is provided with a negative pressure inlet 4 communicated with the negative pressure tube 3. A right bearing is arranged between the outer circumferential surface of the right end of the negative pressure tube 3 and the center hole of the limiting plate 9, and a negative pressure outlet 5 is arranged in the middle of the negative pressure tube 3. The first wheel body 6 and the second wheel body 7 are arranged in sequence between the fixed seat 1 and the limiting plate 9 on the left and right sides and are both rotatably sleeved on the negative pressure tube 3. The driving component is used to drive the limiting plate 9 to rotate.

[0033] The first wheel body 6 comprises a first wheel main body 61, and a plurality of first cigarette grooves 62 are evenly distributed on the outer wall of the first wheel main body 61 in the circumferential direction, and the length direction of the first cigarette grooves 62 is arranged along the axial direction of the first wheel main body 61, and a plurality of first suction ports 63 are evenly distributed on the bottom of each first cigarette groove 62 in the axial direction, which can communicate with the negative pressure outlet 5 when cigarettes need to be sucked;

[0034] The second wheel body 7 comprises a second wheel body formed by splicing a plurality of fan-shaped bodies 71, and a plurality of second smoke grooves 72 are evenly distributed circumferentially on the outer wall of the second wheel body, and the length direction of the second smoke grooves 72 are arranged along the axial direction of the second wheel body. The number and position of the second smoke grooves 72 match those of the first smoke grooves 62, and a plurality of second suction ports 73 are evenly distributed axially on the bottom of each second smoke groove 72, which can communicate with the negative pressure outlet 5 when cigarettes need to be sucked;

[0035] The number of the plurality of separation components 8 is consistent with the number of the plurality of fan ring bodies 71. Each separation component 8 includes a sliding cavity 81, a piston 82, and a movable rod 83. The sliding cavity 81 is located in the first wheel body 61 and the length direction of the sliding cavity 81 is parallel to the axial direction of the first wheel body 61. The piston 82 is arranged to slide left and right in the sliding cavity 81. One end of the movable rod 83 is fixed to the right end face of the piston 82, and the other end of the movable rod 83 is fixed to the left end face of the corresponding fan ring body 71. The fixing seat 1 is provided with a left and right penetrating arrangement. The high-pressure air inlet hole 13 and the high-pressure air release hole 14 are respectively distributed on the front side and the rear side of the fixing seat 1. The high-pressure air inlet hole 13 and the negative pressure outlet 5 are both located on the front side. When the fan-shaped body 71 rotates to the point where the second adsorption port 73 thereon is in communication with the negative pressure outlet 5, the high-pressure air inlet hole 13 is adapted to be in communication with the corresponding sliding cavity 81. When the fan-shaped body 71 rotates to the point where the second adsorption port 73 thereon is not in communication with the negative pressure outlet 5, the high-pressure air release hole 14 is adapted to be in communication with the corresponding sliding cavity 81.

[0036] The number of multiple reset assemblies is consistent with the number of multiple fan-shaped bodies 71. Each reset assembly includes a guide hole 11, a guide slide rod 10, and a reset spring 12. The guide hole 11 is located in the fan-shaped body 71 and the length direction of the guide hole 11 is parallel to the axial direction of the second wheel body. The guide slide rod 10 slides left and right and is adapted to the guide rod. The right end portion of the guide slide rod 10 is fixed to the left end face of the limit plate 9, and the left end portion of the guide slide rod 10 is fixed to the right end face of the first wheel body 61. The reset spring 12 is sleeved on the guide slide rod 10 and is located between the right end face of the corresponding fan-shaped body 71 and the left end face of the limit plate 9.

[0037] Working principle: When in use, the driving assembly drives the limit plate 9 to rotate, thereby driving the first wheel body 6 and the second wheel body 7 to rotate, and the negative pressure enters the negative pressure tube 3 from the negative pressure inlet 4. When the fan-shaped body 71 in the second wheel body 7 rotates until the second adsorption port 73 thereon is connected with the negative pressure outlet 5, the two cigarettes are adsorbed on the corresponding first cigarette groove 62 and the second cigarette groove 72 respectively. At this time, the high-pressure air inlet hole 13 is adapted to communicate with the corresponding sliding cavity 81, and the sliding cavity 81 is filled with high-pressure gas, thereby pushing the piston 82 to move to the right, and then pushing the corresponding fan-shaped body 71 to move to the right. The two cigarettes are separated by the first wheel body 6 and the second wheel body 7. When the first wheel body 6 rotates to the point where the high-pressure air leakage hole 14 is connected to the corresponding sliding cavity 81, the high-pressure gas in the sliding cavity 81 is released through the high-pressure air leakage hole 14. At this time, the reset spring 12 in the corresponding reset assembly is reset, the corresponding fan-shaped body 71 is reset, and the piston 82 moves left, and they move back and forth in sequence.

[0038] In specific implementation, the driving assembly includes a first gear, a second gear, and a motor. The first gear is fixed to the limit plate 9, the second gear is meshed with the first gear, and the second gear is fixed to the motor shaft. The structure of the transmission assembly is specific. When in use, the motor is started, the motor shaft rotates, driving the second gear to rotate, the first gear to rotate, thereby driving the limit plate 9 to rotate, the limit plate 9 rotates, thereby driving the first wheel body 6 and the second wheel body 7 to rotate.

[0039] During specific implementation, the right end face of the negative pressure tube 3 extends outward from the right side face of the limit plate 9, and the right end face of the negative pressure tube 3 is fixed with a protective end cover 2 located on the right side of the limit plate 9 to prevent the limit plate 9 from injuring the operator when rotating.

[0040] In specific implementation, the left side of the sliding cavity 81 of the first wheel body 6 is radially expanded with a high-pressure air inlet 84 that is compatible with the high-pressure air inlet hole 13 to facilitate the high-pressure gas to enter the sliding cavity 81 and improve the stability of the separation component 8.

[0041] In specific implementation, a circular groove is coaxially provided on the left end face of the first wheel body 61, the negative pressure outlet 5 is located on the right side of the part of the negative pressure tube 3 corresponding to the circular groove, and a left bearing is arranged between the circular groove and the negative pressure tube 3, so that the structure is more stable.

[0042] When implementing it, Figure 6 As shown, a pressurization chamber 15 adapted to the high-pressure air inlet hole 13 is provided on the front side of the left end surface of the fixing seat 1, and a decompression chamber 16 adapted to the high-pressure air release hole 14 is provided on the rear side of the left end surface of the fixing seat 1, so as to improve the stability of separation and ensure the normal separation of the two cigarettes.

[0043] In a specific implementation, the first suction port 63 and the second suction port 73 are both arranged radially to improve the suction effect on the cigarette.

[0044] In this specific implementation, there are four fan-shaped bodies 71, four separation components 8, and four reset components, and the structure is specific and standardized. In this specific implementation, the central angle of the negative pressure outlet 5 is 180 degrees, and the structure is specific and reasonable.

[0045] The above is only a specific implementation of the utility model, which enables those skilled in the art to understand or implement the utility model. Although detailed descriptions are given with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments, and they should all be covered by the protection scope of the claims.

Claims

1. A camless cigarette separation drum, characterized in that: The invention comprises a fixed seat (1), a negative pressure tube (3) with a sealed right end, a first wheel body (6), a second wheel body (7), a plurality of separation components (8), a plurality of reset components, a driving component, and a limiting plate (9) with a center hole thereon, wherein the left end of the negative pressure tube (3) is fixed to the right end surface of the fixed seat (1), the fixed seat (1) is provided with a negative pressure inlet (4) communicating with the negative pressure tube (3), a right bearing is arranged between the outer circumferential surface of the right end of the negative pressure tube (3) and the center hole of the limiting plate (9), a negative pressure outlet (5) is arranged in the middle of the negative pressure tube (3), the first wheel body (6) and the second wheel body (7) are arranged in sequence between the fixed seat (1) and the limiting plate (9) on the left and right, and are both rotatably sleeved on the negative pressure tube (3), and the driving component is used to drive the limiting plate (9) to rotate; The first wheel body (6) comprises a first wheel main body (61), a plurality of first smoke grooves (62) uniformly distributed circumferentially on the outer wall of the first wheel main body (61) and arranged along the axial direction of the first wheel main body (61), and a plurality of first suction ports (63) uniformly distributed axially at the bottom of each first smoke groove (62) and capable of communicating with the negative pressure outlet (5) when cigarettes need to be suctioned; The second wheel body (7) comprises a second wheel body formed by splicing a plurality of fan-shaped main bodies (71); a plurality of second smoke grooves (72) are evenly distributed circumferentially on the outer wall of the second wheel body and arranged along the axial direction of the second wheel body in the length direction; the number and position of the second smoke grooves (72) match those of the first smoke grooves (62); and a plurality of second suction ports (73) are evenly distributed axially on the bottom of each second smoke groove (72) and are capable of communicating with the negative pressure outlet (5) when cigarettes need to be suctioned; The number of the plurality of separation components (8) is consistent with the number of the plurality of fan ring bodies (71), and each separation component (8) comprises a sliding cavity (81), a piston (82), and a movable rod (83), the sliding cavity (81) being arranged through the first wheel body (61) and the length direction of the sliding cavity (81) being parallel to the axial direction of the first wheel body (61), the piston (82) being arranged to slide left and right in the sliding cavity (81), one end of the movable rod (83) being fixed to the right end face of the piston (82), and the other end of the movable rod (83) being fixed to the left end face of the corresponding fan ring body (71), and the fixed seat (1) being provided with a sliding cavity (81) being arranged to penetrate left and right A high-pressure air inlet hole (13) and a high-pressure air release hole (14), the high-pressure air inlet hole (13) and the high-pressure air release hole (14) are respectively distributed on the front side and the rear side of the fixing seat (1), the high-pressure air inlet hole (13) and the negative pressure outlet (5) are both located on the front side, when the fan-shaped body (71) rotates to the point where the second adsorption port (73) thereon is in communication with the negative pressure outlet (5), the high-pressure air inlet hole (13) is adapted to be in communication with the corresponding sliding cavity (81), when the fan-shaped body (71) rotates to the point where the second adsorption port (73) thereon is not in communication with the negative pressure outlet (5), the high-pressure air release hole (14) is adapted to be in communication with the corresponding sliding cavity (81); The number of the plurality of reset assemblies is consistent with the number of the plurality of fan ring bodies (71), and each reset assembly comprises a guide hole (11), a guide slide bar (10), and a reset spring (12). The guide hole (11) is located in the fan ring body (71) and the length direction of the guide hole (11) is parallel to the axial direction of the second wheel body. The guide slide bar (10) slides left and right to fit the guide rod and the right end of the guide slide bar (10) is fixed to the left end face of the limit plate (9), and the left end of the guide slide bar (10) is fixed to the right end face of the first wheel body (61). The reset spring (12) is sleeved on the guide slide bar (10) and is located between the right end face of the corresponding fan ring body (71) and the left end face of the limit plate (9).

2. The camless cigarette separation drum according to claim 1, characterized in that: The driving assembly comprises a first gear, a second gear and a motor, wherein the first gear is outer-mounted on a limiting plate (9), the second gear is meshed with the first gear, and the second gear is fixed to a rotating shaft of the motor.

3. The camless cigarette separation drum according to claim 2, characterized in that: The right end surface of the negative pressure tube (3) extends outward from the right side surface of the limiting plate (9), and a protective end cover (2) located on the right side of the limiting plate (9) is fixed to the right end surface of the negative pressure tube (3).

4. The camless cigarette separation drum according to claim 3, characterized in that: A high-pressure air inlet (84) adapted to the high-pressure air inlet hole (13) is formed in a radially outwardly expanded left side portion of the sliding cavity (81) of the first wheel body (6).

5. The camless cigarette separation drum according to claim 4, characterized in that: A circular groove is coaxially provided on the left end surface of the first wheel body (61); the negative pressure outlet (5) is located on the right side of the portion of the negative pressure tube (3) corresponding to the circular groove; and a left bearing is arranged between the circular groove and the negative pressure tube (3).

6. The camless cigarette separation drum according to claim 5, characterized in that: A pressurizing chamber (15) adapted to the high-pressure air inlet hole (13) is provided on the front side of the left end surface of the fixing seat (1), and a decompression chamber (16) adapted to the high-pressure air release hole (14) is provided on the rear side of the left end surface of the fixing seat (1).

7. The camless cigarette separation drum according to claim 6, characterized in that: The first adsorption port (63) and the second adsorption port (73) are both arranged radially.

8. The camless cigarette separation drum according to claim 7, characterized in that: There are four fan-shaped main bodies (71), four separation assemblies (8), and four reset assemblies.

9. The camless cigarette separation drum according to claim 8, characterized in that: The center angle of the negative pressure outlet (5) is 180 degrees.

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