Oil-free spider hand rotating arm transmission mechanism

Abstract

The utility model discloses an oil-free spider hand rotating arm transmission mechanism, and relates to the technical field of cigarette making machine equipment, in particular to an oil-free spider hand rotating arm transmission mechanism which comprises a spider hand assembly, the spider hand assembly comprises a rotating shaft, and a rotating body synchronously rotating along with the rotating shaft is installed at the front end of the rotating shaft. A first belt wheel shaft is inserted in the middle of the crank, a rotating arm is sleeved at the front end of the first belt wheel shaft in an empty mode, a second belt wheel shaft is sleeved on one side, away from the first belt wheel shaft, of the rotating arm in an empty mode, and a cover plate is installed on the end face of the outer side of the rotating arm. And a synchronous belt is arranged between the second belt wheel shaft and the first belt wheel shaft. Through the cooperative arrangement of the crank, the first belt wheel shaft, the rotating arm, the second belt wheel shaft and the synchronous belt, the oil-free spider hand rotating arm transmission mechanism has the effect that the situation that cigarettes are polluted due to lubricating oil leakage can be avoided, and meanwhile the effect of convenient maintenance is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cigarette making machine equipment technical field, concretely is a kind of oilless spider hand rotary arm transmission mechanism. BACKGROUND

[0002] In the production process of cigarette, cigarette is sucked from the cigarette guide rail of cigarette making machine by spider hand and is delivered to the cigarette receiving drum of cigarette connecting machine to complete the handover of cigarette, the original spider hand rotary arm adopts gear transmission mechanism, internal lubricating oil is injected to lubricate gear, the rotating shaft is sealed with shell by oil seal to prevent the leakage of lubricating oil, since spider hand is high-speed running for a long time, a large amount of heat is generated by gear engagement, so that oil temperature and oil pressure increase, and the wear of oil seal is also caused by long-term high-speed rotation of gear, thereby causing the leakage of hydraulic oil, which pollutes cigarette and affects product quality, since many rotary arms are evenly distributed on a spider hand, the number of oil seals is large, and the replacement frequency is high, so it is time-consuming and laborious to maintain. SUMMARY

[0003] (I) technical problem solved

[0004] In view of the deficiencies of the prior art, the utility model provides an oilless spider hand rotary arm transmission mechanism, which solves the problems raised in the above background.

[0005] (II) technical scheme

[0006] To achieve the above object, the utility model discloses the following technical scheme: an oilless spider hand rotary arm transmission mechanism, including spider hand assembly, the spider hand assembly includes rotating shaft, the front end of rotating shaft is installed with the rotator that follows the synchronous rotation of rotating shaft, the periphery of rotator is installed with the crank that can rotate, the rear of rotator is installed with rear cover, the middle of crank is inserted with first pulley shaft, the front end of first pulley shaft is empty and has rotary arm, the side of rotary arm away from first pulley shaft is empty and has second pulley shaft, the end surface of rotary arm outside is installed with cover plate, the synchronous belt is arranged between second pulley shaft and first pulley shaft, the middle of cover plate is installed with the tension pulley for tensioning synchronous belt, the rear of rotary arm is installed with air baffle box, and air baffle box forms air baffle air passage with rotary arm.

[0007] Preferably, the front end of the first pulley shaft is inserted into the cover plate, and a bearing is arranged between the two.

[0008] Preferably, the front end of the second pulley shaft is inserted into the cover plate, and a bearing is arranged between the two.

[0009] Preferably, the rear end of the first belt wheel shaft is provided with a U-shaped edge breaking groove, the first belt wheel shaft is connected with the rear cover through the U-shaped edge breaking groove, and the depth of the first belt wheel shaft inserted into the crank is adjusted through the U-shaped edge breaking groove, and the self-rotation of the first belt wheel shaft is prevented.

[0010] Preferably, the front end of the crank is provided with a crank air hole communicated with the air passage in the rotating body, the rear end of the rotating arm is provided with a rotating arm air hole communicated with the air passage in the air tank, the rotating arm is installed on the front end face of the crank through a screw, and the crank air hole and the rotating arm air hole are communicated, and the other end of the air passage in the air tank is communicated with the middle hole of the second belt wheel shaft, so that the air passage in the rotating body and the middle hole of the second belt wheel shaft are communicated, and all the second belt wheel shafts are connected with the rotating body connection system in vacuum.

[0011] Preferably, the outer sides of the second belt wheel shaft and the first belt wheel shaft are provided with synchronous teeth connected with the synchronous belt, the rotating arm is driven to rotate around the fixed first belt wheel shaft when the crank rotates, at this time, the second belt wheel shaft also rotates around the first belt wheel shaft, and the relative rotation between the rotating arm and the first belt wheel shaft drives the second belt wheel shaft to rotate, that is, the second belt wheel shaft rotates around the first belt wheel shaft and rotates at the same time when the crank rotates, and the front end of the second belt wheel shaft is connected with the air claw for sucking cigarettes.

[0012] The utility model provides a kind of oilless spider hand rotating arm transmission mechanism, with the following beneficial effects:

[0013] 1、The oilless spider hand rotating arm transmission mechanism, by the cooperation of crank, first belt wheel shaft, rotating arm, second belt wheel shaft and synchronous belt, the oilless spider hand rotating arm transmission mechanism has the effect of preventing cigarette pollution caused by lubricating oil leakage, when the crank rotates, the rotating arm is driven to rotate around the fixed first belt wheel shaft, the first belt wheel shaft and the second belt wheel shaft are connected by synchronous belt to realize simultaneous rotation, so that the second belt wheel shaft rotates around the first belt wheel shaft and also rotates, since the mechanism does not use gear engagement transmission, it does not need lubricating oil, thereby preventing cigarette pollution caused by lubricating oil leakage.

[0014] 2、The oilless spider hand rotating arm transmission mechanism, by the cooperation of crank, first belt wheel shaft, rotating arm, second belt wheel shaft and synchronous belt, the oilless spider hand rotating arm transmission mechanism has the effect of being easy to maintain, the second belt wheel shaft is also rotated around the first belt wheel shaft by synchronous belt drive, since synchronous belt transmission does not need to add lubricating oil, the mechanism does not need to add lubricating oil during maintenance, and it does not need to spend a lot of time to clean the oil-contaminated parts, and there is no oil seal installed, so it does not need to replace the vulnerable parts regularly, thereby achieving the effect of being easy to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the rotating arm of the utility model.

[0016] Fig. 2 The structure diagram of the rotating arm installation of the utility model.

[0017] In the figure: 1, spider hand assembly; 101, rotating shaft; 102, rotating body; 103, crank; 1031, crank air hole; 104, back cover; 2, first pulley shaft; 201, U-shaped edge breaking groove; 3, rotating arm; 301, rotating arm air hole; 4, second pulley shaft; 5, cover plate; 6, synchronous belt; 7, tension pulley; 8, air warehouse box; 9, air warehouse air duct; 10, end cover; 11, gland. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0019] Please refer to Figs. 1-2The utility model provides a technical scheme: an oil -free spider hand rotating arm transmission mechanism, including spider hand assembly 1, spider hand assembly 1 includes pivot 101, the front end of pivot 101 is equipped with the rotator 102 synchronous rotation with pivot 101, the periphery of rotator 102 is equipped with the crank 103 that can autorotate, the rear of rotator 102 is equipped with rear cover 104, the crank 103 is autorotated while rotating around pivot 101 in rotator 102, the middle insertion of crank 103 is equipped with first pulley shaft 2, the rear end of first pulley shaft 2 is equipped with U type broken edge slot 201, first pulley shaft 2 is connected with rear cover 104 through U type broken edge slot 201, through U type broken edge slot 201, the depth of first pulley shaft 2 insertion crank 103 is conveniently adjusted, also can prevent first pulley shaft 2 autorotation, the front end of first pulley shaft 2 is equipped with rotating arm 3, the side of rotating arm 3 away from first pulley shaft 2 is equipped with second pulley shaft 4, rotating arm 3 outside end face is equipped with cover plate 5, the synchronous belt 6 is arranged between second pulley shaft 4 and first pulley shaft 2, the middle installation of cover plate 5 is used for the tensioning pulley 7 of tensioning synchronous belt 6, the rear of rotating arm 3 is equipped with wind warehouse box 8, and wind warehouse box 8 forms wind warehouse air channel 9 with rotating arm 3, the front end of first pulley shaft 2 inserts into cover plate 5 and is equipped with bearing between both, the outer side of cover plate 5 is fixedly installed with the end cap 10 of the bearing pressure tightly through screw, the front end of second pulley shaft 4 inserts into cover plate 5 and is equipped with bearing between both, the outer side of cover plate 5 is fixedly installed with the gland 11 of the bearing pressure tightly through screw, make second pulley shaft 4 rotate between cover plate 5 and rotating arm 3 but cannot be interchanged, the front end of crank 103 is equipped with crank air hole 1031 that communicates with the inside air channel of rotator 102, the rear end of rotating arm 3 is equipped with rotating arm air hole 301 that communicates with wind warehouse air channel 9, rotating arm 3 is installed in the front end surface of crank 103 through screw and the crank air hole 1031 is communicated with rotating arm air hole 301, the other end of wind warehouse air channel 9 is communicated with the middle hole of second pulley shaft 4, so that the inside air channel of rotator 102 is communicated with the middle hole of second pulley shaft 4, realizes that all second pulley shaft 4 is connected system vacuum through rotator 102, the outer side of second pulley shaft 4 and first pulley shaft 2 is equipped with the synchronous tooth of the synchronous belt 6 connection, when the crank 103 rotates, can drive rotating arm 3 rotates around the first pulley shaft 2 that does not move, at this moment, second pulley shaft 4 also rotates around first pulley shaft 2, while rotating arm 3 and first pulley shaft 2 relatively rotate and drive second pulley shaft 4 autorotation, namely when the crank 103 rotates, second pulley shaft 4 rotates around first pulley shaft 2 and autorotation simultaneously, the front end of second pulley shaft 4 is connected with the air claw of the cigarette suction.

[0020] In use, firstly, the rotating arm 3 is assembled, at this time, when the first pulley shaft 2 is rotated, the second pulley shaft 4 is also rotated synchronously, further verifying the air tightness of the air duct 9 of the air tank, the places where air leaks are sealed with glue, further coating a circle of glue on the end face of the rotating arm air hole 301 or the crank 103 air hole, further picking up the rotating arm 3 and inserting the rear end of the first pulley shaft 2 into the hole in the middle of the crank 103, in this process, the first pulley shaft 2 passes through the crank 103 and the U-shaped broken edge slot 201 at the rear end is connected with the rear cover 104, at this time, the first pulley shaft 2 cannot be rotated again, further rotating the rotating arm 3 to make the rotating arm air hole 301 concentric with the crank 103 air hole, further fixing the rotating arm 3 on the front end face of the crank 103 with screws, at this time, the joint surface of the rotating arm air hole 301 and the crank 103 air hole is sealed by glue, after the installation is completed, the air duct inside the rotating body 102 is connected with the system vacuum, at this time, the system vacuum is connected with the central hole of the second pulley shaft 4 through the air duct 9 of the air tank, further installing the air claw for grabbing cigarettes on the front end of the second pulley shaft 4, when the spider hand assembly 1 works, the rotating body 102 drives the crank 103 to rotate around the rotating shaft 101 and self-rotate, at this time, the rotating arm 3 synchronously rotates around the first pulley shaft 2 following the self-rotation of the crank 103, at the same time, the first pulley shaft 2 drives the second pulley shaft 4 to rotate through the synchronous belt 6, that is, the second pulley shaft 4 rotates around the first pulley shaft 2 while self-rotating, thus the air claw installed on the front end of the second pulley shaft 4 rotates around the first pulley shaft 2 while self-rotating around the rotating shaft 101, further realizing the sucking and conveying of the cigarettes from the cigarette conveying guide rail to the cigarette receiving drum of the cigarette connecting machine to complete the connection of the cigarettes.

[0021] In conclusion, when the crank 103 rotates, the oil-free spider hand rotating arm 3 transmission mechanism drives the rotating arm 3 to synchronously rotate around the fixed first pulley shaft 2, the first pulley shaft 2 and the second pulley shaft 4 are connected through the synchronous belt 6 to realize simultaneous rotation, so that the second pulley shaft 4 rotates around the first pulley shaft 2 while self-rotating, since the mechanism does not use gear meshing transmission, it does not need lubricating oil, thus the pollution of the cigarettes caused by the leakage of lubricating oil can be eliminated, since the synchronous belt 6 transmission does not need to add lubricating oil, thus when the mechanism is maintained, it does not need to add lubricating oil and does not need to spend a lot of time to clean the oil-contaminated parts, at the same time, there is no oil seal, thus it does not need to be regularly replaced, thus the effect of easy maintenance is realized.

[0022] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An oil-free spider hand rotary arm drive mechanism comprising a spider hand assembly (1) characterized by: The spider hand assembly (1) comprises a rotating shaft (101), the front end of the rotating shaft (101) is provided with a rotating body (102) rotating synchronously with the rotating shaft (101), the periphery of the rotating body (102) is provided with a crank (103) capable of rotating by itself, the rear of the rotating body (102) is provided with a rear cover (104), the middle of the crank (103) is inserted with a first pulley shaft (2), the front end of the first pulley shaft (2) is provided with a rotating arm (3), the side of the rotating arm (3) away from the first pulley shaft (2) is provided with a second pulley shaft (4), the outer side end face of the rotating arm (3) is provided with a cover plate (5), the second pulley shaft (4) and the first pulley shaft (2) are provided with a synchronous belt (6) therebetween, the middle of the cover plate (5) is provided with a tension pulley (7) for tensioning the synchronous belt (6), the rear of the rotating arm (3) is provided with a wind warehouse box (8), the wind warehouse box (8) and the rotating arm (3) form a wind warehouse air duct (9) therebetween.

2. The oil-free spider hand-rotary arm drive mechanism according to claim 1, characterized in that: The front end of the first pulley shaft (2) is inserted into the cover plate (5) and provided with a bearing therebetween, the outer side face of the cover plate (5) is fixedly provided with an end cover (10) by screws, the bearing is pressed by the end cover (10).

3. The oil-free spider hand-rotary arm drive mechanism of claim 1, wherein: The front end of the second pulley shaft (4) is inserted into the cover plate (5) and provided with a bearing therebetween, the outer side face of the cover plate (5) is fixedly provided with a pressing cover (11) by screws, the bearing is pressed by the pressing cover (11).

4. The oil-free spider hand-rotary arm drive mechanism of claim 1, wherein: The rear end of the first pulley shaft (2) is provided with a U-shaped edge breaking groove (201), the first pulley shaft (2) is connected with the rear cover (104) through the U-shaped edge breaking groove (201), the depth of the first pulley shaft (2) inserted into the crank (103) is adjusted through the U-shaped edge breaking groove (201), and the self-rotation of the first pulley shaft (2) is also prevented.

5. The oil-free spider hand-rotary arm drive mechanism of claim 1, wherein: The front end of the crank (103) is provided with a crank air hole (1031) in communication with the internal air duct of the rotating body (102), the rear end of the rotating arm (3) is provided with a rotating arm air hole (301) in communication with the wind warehouse air duct (9), the rotating arm (3) is screwed on the front end face of the crank (103) and the crank air hole (1031) and the rotating arm air hole (301) are communicated, the other end of the wind warehouse air duct (9) is communicated with the middle hole of the second pulley shaft (4), so that the internal air duct of the rotating body (102) is communicated with the middle hole of the second pulley shaft (4), and all the second pulley shafts (4) are connected with the system vacuum through the rotating body (102).

6. The oil-free spider hand-rotary arm drive mechanism of claim 1, wherein: The outer sides of the second pulley shaft (4) and the first pulley shaft (2) are provided with synchronous teeth connected with the synchronous belt (6), the rotating arm (3) can be driven to rotate around the fixed first pulley shaft (2) when the crank (103) rotates, at this time the second pulley shaft (4) also rotates around the first pulley shaft (2), at the same time the rotating arm (3) and the first pulley shaft (2) relatively rotate and drive the second pulley shaft (4) to rotate by itself, that is, when the crank (103) rotates, the second pulley shaft (4) rotates around the first pulley shaft (2) and rotates by itself at the same time, the front end of the second pulley shaft (4) is connected with a claw for sucking cigarettes.

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