CN115180571A

CN115180571A - Rotary filling method of six-station rotary filling machine

Info

Publication number: CN115180571A
Application number: CN202210874586.9A
Authority: CN
Inventors: 张飞宇; 孙宝; 孙浩
Original assignee: Zhanyi Intelligent Technology Dongtai Co ltd
Current assignee: Zhanyi Intelligent Technology Dongtai Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-14
Anticipated expiration: 2042-07-25
Also published as: CN115180571B

Abstract

The rotary filling method of the six-station rotary filling machine provided by the invention can sequentially complete the filling of the packaging barrels entering the large rotary table under the synergistic action of the reciprocating coffin cover opening mechanism and the reciprocating filling mechanism. The rotary filling method of the six-station rotary filling machine provided by the invention can simultaneously fill three packaging barrels on a large turntable by using three filling guns of a reciprocating filling mechanism, and the working efficiency of the rotary filling method of the six-station rotary filling machine is improved by more than two times compared with that of a one-gun one-barrel filling mode in the prior art: in the invention, the cover opening, filling, cover closing and barrel discharging of a packaging barrel can be finished by only one large turntable every 1/6 of the circumference of the large turntable; the filling time of each packaging barrel in the prior art is one complete process time for opening, filling and closing the cover.

Description

Rotary filling method of six-station rotary filling machine

Technical Field

The invention relates to the field of intelligent processing, in particular to a rotary filling method of a six-station rotary filling machine.

Background

In the field of filling large-capacity (typically more than 100 liters) packaging barrels, the influence of the packaging barrel capacity on the filling efficiency is a major factor. Usually, more than 80% of the process time of a packaging barrel is used in the filling link, so that an insurmountable technical bottleneck exists for filling of a large-capacity packaging barrel: under the existing technical conditions, the flow speed and the flow of the filling gun can only be increased, but the improvement on the aspect is difficult to further break through due to the limitation of the size of the bucket opening and the material. Therefore, the technical problem to be solved by the invention is how to break through the filling process of the large-capacity packaging barrel in the prior art and greatly improve the filling efficiency of the large-capacity packaging barrel.

Disclosure of Invention

The technical problem to be solved by the embodiment of the invention is to provide a rotary filling method of a six-station rotary filling machine, and solve the problem of low filling efficiency of a large-capacity packaging barrel.

In order to solve the above technical problem, the present invention provides a rotary bottling line, comprising:

the rotary filling machine (30) comprises a large turntable (31), a rotary support (32) which is arranged at the center of the large turntable (31) and is vertically arranged, and M filling stations which are uniformly arranged on the large turntable (31) in a surrounding manner, wherein M is a natural number not less than 5;

the barrel feeding roller way (10) is paved at a first filling station, namely a barrel feeding station, of the rotary filling machine (30);

a barrel-discharging roller table (50) which is laid at the last filling station of the rotary filling machine (30), namely a barrel-discharging station;

the rotary barrel feeding device (20) is used for connecting the barrel feeding roller way (10) with a barrel feeding station of the rotary filling machine (30);

the rotary barrel discharging device (40) is used for connecting a barrel discharging station and a barrel discharging roller way (50) of the rotary filling machine (30);

wherein M-2 reciprocating filling stations are formed between the barrel inlet station and the barrel outlet station along the rotating direction of the large rotating disc (31); correspondingly, a reciprocating filling mechanism (33) is arranged on the rotating support (32), the reciprocating filling mechanism (33) can reciprocate in the area of a reciprocating filling station by taking the rotating support (32) as a rotating center, the reciprocating filling mechanism (33) is provided with M-3 filling guns (331), a filling station is arranged between every two adjacent filling guns (331), and each filling gun (331) reciprocates between every two adjacent filling stations under the driving of the reciprocating filling mechanism (33).

And a packaging barrel recognition device is arranged corresponding to each filling gun and used for detecting whether the packaging barrel reaches a reciprocating filling station below the filling gun or not.

According to the rotary filling production line provided by the invention, empty packaging barrels are conveyed by the barrel inlet roller way, the barrel loading of a rotary filling machine is completed from the barrel inlet roller way through the rotary barrel inlet device, the reciprocating filling mechanisms on M-2 stations can simultaneously fill M-3 packaging barrels, the filling of the packaging barrels is completed one by one, and the filled packaging barrels are transferred to the barrel outlet roller way through the rotary barrel outlet device.

Further comprising:

the barrel rotating device (60) is arranged along the barrel feeding roller way (10) and is positioned at the upstream of the barrel rotating device (20), and can be used for identifying the barrel opening of the packaging barrel on the barrel feeding roller way and rotating the barrel opening of the packaging barrel to a preset direction.

The barrel rotating device (60) can adopt an automatic barrel rotating device and an automatic barrel rotating device in a barrel rotating method disclosed in CN 113292032A.

In order to solve the above technical problem, the present invention provides a rotary filling system, including:

the rotary barrel feeding device (20) is used for conveying the packaging barrel to a barrel feeding station, namely a first filling station, of the rotary filling machine (30);

a rotary barrel discharging device (40) for transporting away the packaging barrel at a barrel discharging station of the rotary filling machine (30), wherein the barrel discharging station is the last filling station;

wherein the rotary filling machine (30) forms M-2 reciprocating filling stations between the barrel inlet station and the barrel outlet station along the rotation direction of the large turntable (31); correspondingly, a reciprocating filling mechanism (33) is arranged on the rotating support (32), the reciprocating filling mechanism (33) can reciprocate in the area of a reciprocating filling station by taking the rotating support (32) as a rotating center, the reciprocating filling mechanism (33) is provided with M-3 filling guns (331), a filling station is arranged between every two adjacent filling guns (331), and each filling gun (331) can reciprocate between every two adjacent filling stations under the driving of the reciprocating filling mechanism (33).

According to the rotary filling system provided by the invention, empty packaging barrels are transferred to the rotary filling machine through the rotary barrel feeding device, the reciprocating filling mechanisms on M-2 stations can simultaneously fill M-3 packaging barrels, the packaging barrels are filled one by one, and the filled packaging barrels are transferred to the barrel discharging roller way through the rotary barrel discharging device, so that the whole process is quick and efficient, and the filling time is shortened by more than half (determined by the number of M and the reciprocating movement time) compared with that of a conventional filling machine.

In order to solve the above technical problem, the present invention provides a rotary filling driving system, including:

the large rotary table (31) surrounds M filling stations uniformly arranged on the large rotary table (31), wherein M is a natural number not less than 5;

the driving unit (36) is used for being meshed with the large turntable (31) and providing power for the rotation of the large turntable (31);

a rotating support (32) vertically arranged at the center of the large turntable (31);

the barrel feeding rotary table (21) is meshed with the large rotary table (31), a barrel feeding rotary shaft (22) is arranged at the center of the barrel feeding rotary table (21), and the barrel feeding rotary table (21) drives the barrel feeding rotary shaft (22) to rotate so as to drive the rotary barrel feeding device (20) to rotate;

go out bucket carousel (41), with the big carousel meshing, and with advance bucket carousel (21) at a distance of 1 filling station, the center of going out the bucket carousel is equipped with out the bucket pivot, it drives to go out the bucket carousel go out the rotation of bucket pivot, and then drive rotatory bucket device (40) and rotate.

Through the meshing transmission of the large turntable, the barrel inlet turntable and the barrel outlet turntable, the synchronous transmission among the large turntable, the barrel inlet turntable, the barrel filling turntable and the barrel outlet turntable is realized, the large turntable can realize the continuity of barrel inlet, filling and barrel outlet processes as long as the large turntable keeps equal speed transmission, other processes can be orderly carried out, the process connection is accurate, and the process time arrangement can be reasonably controlled.

The automatic barrel filling machine further comprises a first gear ring (321) and a reciprocating cover opening and closing mechanism (34), wherein the first gear ring (321) is arranged on the rotating support (32) and is coaxially arranged with the rotating support, the first gear ring (321) is connected with the reciprocating cover opening and closing mechanism (34) and drives the reciprocating cover opening and closing mechanism (34) to move at a first reciprocating filling station, a barrel inlet station, a barrel outlet station and a last reciprocating filling station; or two reciprocating cover opening and closing mechanisms (34) are arranged, wherein one reciprocating mechanism reciprocates between the barrel inlet station and the first reciprocating filling station and is used for opening the cover of the packaging barrel and placing the cover on a cover storing structure synchronous with the packaging barrel or a return line reversely conveyed with the packaging barrel, and the other reciprocating mechanism reciprocates between the last reciprocating filling station and the barrel outlet station and is used for taking down the cover from the cover storing structure or the return line and connecting the cover to the opening of the packaging barrel; the two reciprocating cover opening and closing mechanisms (34) are connected to the first gear ring (321) together, and the two reciprocating cover opening and closing mechanisms (34) move synchronously under the driving of the first gear ring.

The return line is arranged coaxially with the turntable but with opposite rotation direction, and normally, the rotation speed of the return line is less than that of the turntable, and the ratio of the rotation speeds is 3/M-4/M.

Still include second ring gear (322) and reciprocal filling mechanism (33), second ring gear (322) set up rotate support (32) on and with rotate the coaxial arrangement of support, second ring gear (322) are connected and drive with reciprocal filling mechanism (33) reciprocal filling station reciprocating motion between first reciprocal filling station and last reciprocal filling station.

The reciprocating cover opening and closing mechanism and the reciprocating filling mechanism are respectively meshed with the gear ring through a motor control gear, so that the gear ring is driven to rotate, and the reciprocating cover opening and closing mechanism and the reciprocating filling mechanism are driven to rotate.

Rotatory bucket device (20) including advancing bucket carousel (21), advance bucket pivot (22) and centre gripping slewing mechanism (23), it sets up to advance bucket pivot (22) the center of advancing bucket carousel (21), centre gripping slewing mechanism (23) are connected advance the top of bucket pivot (22) to can the centre gripping the pail pack of below, it drives to advance bucket carousel (21) advance bucket pivot (22) and rotate, centre gripping slewing mechanism (23) centers on it is equipped with N and arranges the commentaries on classics bucket station on classics on revolving rack (230) to advance bucket pivot (22), and N is not less than 2 natural number to N < M, and N is the divisor of M, and the rotation path length between the rotation path length of two adjacent commentaries on classics bucket stations is equal with the rotation path length between two adjacent filling stations.

The rotary barrel feeding device can clamp and transfer the packaging barrel, namely, the packaging barrel is transferred to the large turntable from the barrel feeding roller way, and can realize non-stop rotation and barrel opening position adjustment in the rotating process under the condition of combining with the identification device, so that the subsequent process can be smoothly carried out.

The barrel-entering rotary table (21) is meshed with the large rotary table (31) through a gear; alternatively, when M =6 or 8, N =2, i.e. the number of teeth of the carousel (31) is 3 or 4 times the number of teeth of the intake carousel (21).

Arranging a first rotary driving mechanism (231), a first vertical driving mechanism (232), an identification device (234) and a clamping mechanism (233) at each barrel rotating station, wherein the identification device (234) is arranged on the clamping mechanism (233) and can identify a barrel opening downwards; the first vertical driving mechanism (232) is used for driving the clamping mechanism (233) to move in the vertical direction; the first rotary driving mechanism (231) is used for driving the clamping mechanism (233) to rotate.

The identification device (234) is arranged on the adjusting mechanism (2341) so that the position and the identification angle of the identification device (234) can be adjusted.

The identification device (234) is arranged on one side of the clamping rotating mechanism (23) far away from the barrel inlet rotating shaft (22).

The clamping mechanism (233) comprises a top plate (2331), a second rotary driving mechanism (2332) and clamping jaws (2333) connected to two sides of the top plate (2331), wherein the second rotary driving mechanism is connected to the top plate (2331) and can drive the clamping jaws (2333) on two sides to move relatively, and the clamping jaws (2333) are connected to the top plate (2331) in a sliding connection mode.

The second rotary drive mechanism (2332) comprises a motor-driven pulley drive or a motor-driven sprocket drive, and correspondingly, the clamping jaw (2333) is connected to a belt or a drive chain.

Method for transferring packaging barrels from the barrel-feeding roller table (10) to a barrel-feeding station of the rotary filling machine (30) by means of the rotary barrel-feeding device (20), comprising:

the clamping rotating mechanism (23) is driven to rotate around the barrel inlet rotating shaft (22) and the rotating speed is kept unchanged;

when the clamping mechanism rotates to the position above a packaging barrel of the barrel feeding roller way (10), the first vertical driving mechanism (232) is controlled to lower the clamping mechanism (233) while rotating;

when a clamping jaw (2333) of a clamping mechanism (233) is lowered to be lower than the top surface of the packaging barrel, the clamping jaw (2333) is controlled to be contracted, and when the clamping jaw is contracted to clamp the outer wall of the packaging barrel, the rotating shaft center of the clamping mechanism (233) is just rotated to the top surface center of the packaging barrel;

then immediately controlling the first vertical driving mechanism (232) to lift upwards to enable the packaging barrel to be separated from the barrel feeding roller way (10), and continuously rotating the whole barrel rotating feeding device (20) in the process;

the position of the bung hole is identified through the identification device (234), and when the position of the bung hole forms an angle A with a preset position, the first rotary driving mechanism (231) controls the clamping mechanism (233) to rotate reversely by the angle A, so that the position of the bung hole points to the preset position;

when the rotary barrel feeding device (20) drives a packaging barrel to rotate to a position to be reached to a barrel feeding station of the large rotary table (31), the packaging barrel is controlled to be discharged through the first vertical driving mechanism (232), when the packaging barrel is discharged to be contacted with the barrel feeding station of the large rotary table (31), the clamping jaw (2333) is controlled to be rapidly opened through the second vertical driving mechanism (2332), meanwhile, the clamping mechanism (233) is controlled to ascend through the first vertical driving mechanism (232), and then the packaging barrel is transferred to the barrel feeding station of the rotary filling machine (30) from the barrel feeding roller table (10).

In the transferring process, the barrel-entering turntable (21) is driven by the large turntable (31) to rotate at a constant speed.

The number of the clamping jaws (2333) may be two or more than three.

The invention realizes the transportation of the packaging barrel by utilizing the rotary barrel feeding device, and simultaneously adjusts the position of the barrel opening of the packaging barrel, thereby facilitating the smooth operation of the subsequent processes of opening and closing the cover.

The rotary barrel conveying method of the packaging barrel comprises the following steps:

identifying the top opening of the packaging barrel conveyed by the barrel feeding roller way (10) by a barrel rotating device (60), rotating the opening to a preset direction, and then continuously conveying the packaging barrel forwards by the barrel feeding roller way (10);

the packaging barrel is clamped by a clamping mechanism (233) in the rotating process by a clamping and rotating mechanism (23) of the barrel rotating device (20), and the packaging barrel is lifted by a first vertical driving mechanism (232);

the identification device (234) of the clamping and rotating mechanism (23) identifies the bung hole, and the orientation of the bung hole is adjusted through the first rotating driving mechanism (231) in the rotating process of the clamping and rotating mechanism (23) so as to align the bung hole to a preset orientation;

when the packaging barrel is about to reach the barrel feeding station of the large rotary disc (31), the first vertical driving mechanism (232) is controlled to descend the packaging barrel to the barrel feeding station, and the clamping mechanism (233) releases the clamping of the packaging barrel.

According to the barrel rotating and conveying method, the barrel opening is identified and adjusted twice, and the barrel opening is continuously conveyed forwards after being identified for the first time, so that the barrel opening is identified and accurately adjusted for the second time while the barrel is clamped and rotated by the clamping and rotating mechanism, deflection errors caused by the barrel opening in the roller way conveying process are overcome, the barrel opening is accurately lowered to the operating position of the cover opening and closing mechanism when the barrel is conveyed to the barrel feeding station of the large turntable, and the subsequent processes are smoothly carried out.

The rotary filler (30) further comprising:

the reciprocating cover opening and closing mechanism (34) is connected to a first gear ring (321) of the rotating support (32), the first gear ring (321) and the rotating support (32) are coaxially arranged, and the reciprocating cover opening and closing mechanism (34) can move in a reciprocating mode between a first reciprocating filling station, a barrel inlet station, a barrel outlet station and a last reciprocating filling station by taking the rotating support (32) as a center.

The reciprocating switch cover mechanism (34) comprises:

a lid opener (341) capable of rotatably opening and closing the lid;

a second vertical driving mechanism (342) capable of driving the opening and closing lid (341) to move in a vertical direction;

a third rotary drive mechanism (343) in meshing transmission with the first gear ring to drive the first gear ring, thereby driving the reciprocating cover opening and closing mechanism (34) to reciprocate integrally around the rotary support (32);

and the capping device (344) is arranged on the side of the switch capping device (341) and is provided with an elastic pressure head, and the height of the elastic pressure head is lower than that of the switch capping device (341) so that the elastic pressure head can contact with the top of the packaging barrel and press the packaging barrel in advance of the switch capping device (341).

The cap opening and closing device (341) uses a cap screwing quick-change structure and a cap opening and closing robot as disclosed in CN113998646A, or uses a gas claw and a cap opening and closing robot with a three-claw structure as disclosed in CN113929033A, or uses a cap screwing device and a related cap opening and closing technical scheme in the cap opening and closing robot as disclosed in CN 113753816A.

In a rotary filling line, a method for opening and closing a packaging barrel by using a reciprocating cover opening and closing mechanism (34), comprising:

after the barrel feeding turntable (21) places the packaging barrel at a barrel feeding station, the reciprocating cover opening and closing mechanism (34) and the large turntable (31) are controlled to rotate synchronously in the forward direction, and the barrel cover is opened before the packaging barrel reaches the next filling station;

then judge whether the quantity of pail pack on carousel (31) satisfies the condition of covering:

if the cover storage condition is met, controlling the reciprocating cover opening and closing mechanism (34) to rapidly and reversely rotate to the cover storage device (35), and placing the barrel cover on the cover storage device (35);

if the cover storage condition is not met, controlling the reciprocating cover opening and closing mechanism (34) to rapidly and reversely rotate to the packaging barrel passing through the last reciprocating filling station, then controlling the reciprocating cover opening and closing mechanism (34) and the large rotating disc (31) to forwardly and synchronously rotate, and covering the barrel cover on the packaging barrel before the packaging barrel reaches a barrel outlet station;

then judge whether the quantity of pail pack on carousel (31) satisfies and gets and cover the condition:

if the condition is not met, the operation of opening and closing the cover is continuously carried out on the next packaging barrel on the barrel feeding station;

if the cover taking condition is met, the cover taking mechanism (34) is controlled to reach the cover taking device (35) to take the cover, then the packaging barrel passes through the last reciprocating filling station and reversely rotates fast, the cover taking mechanism (34) and the large rotating disc (31) are controlled to forwardly synchronously rotate, and the cover of the packaging barrel is covered on the packaging barrel before the packaging barrel reaches the barrel outlet station.

When the cover storage condition is not met, the cover storage device (35) is controlled to retract to avoid the reciprocating cover opening and closing mechanism (34).

The cover storage conditions are as follows:

the number of the packing barrels on the large rotary table is larger than that of the barrel covers on the cap storage device, and the number of the barrel covers on the cap storage device is smaller than M-2.

The cover taking condition is as follows:

the barrel feeding station is empty, and the number of the packaging barrels on the large rotary table = the number of the barrel covers on the cap storage device.

The empty loading of the barrel feeding station means that no new packaging barrel is located at the barrel feeding station when a preset time interval is reached.

The method for opening and closing the cover on the rotary filling production line can solve the problems of cover opening, cover storage, cover taking and cover closing on the rotary filling production line only by one cover opening and closing device, so that the rotary filling production line can operate at high speed and stably.

A cover storage device (35) is arranged between the barrel inlet station and the barrel outlet station, the cover storage device (35) is connected to the rotary support (32) and can move in a telescopic mode relative to the rotary support (32) to avoid the reciprocating cover opening and closing mechanism (34).

The cover storage device (35) is provided with the same number of cover storage positions as the reciprocating filling stations, namely M-2 cover storage positions.

Deposit and cover device (35) and connect through telescopic machanism (351) on rotation support (32), telescopic machanism includes telescopic bracket, telescopic cylinder, linear guide, telescopic bracket fixed connection is in rotation support (32) is last, linear guide sets up on the telescopic bracket, telescopic cylinder drive deposit and cover device (35) along the linear guide motion.

In a rotary filling line, a method for opening and closing a packaging barrel by using two reciprocating cover opening and closing mechanisms (34) comprises the following steps:

after the barrel feeding turntable (21) places the packaging barrel at a barrel feeding station, a reciprocating cover opening and closing mechanism (34) is controlled to rotate synchronously with the large turntable (31) and the packaging barrel on the large turntable in the forward direction, the barrel cover is opened before the packaging barrel reaches the next reciprocating filling station, the barrel cover is placed on a returning line, and then the reciprocating cover opening and closing mechanism (34) returns to the barrel feeding station again to wait for the next packaging barrel;

the back conveying line is conveyed along the reverse direction of the large rotary disc and reaches between the last reciprocating filling station and the barrel discharging station (including the position point of the last reciprocating filling station but not including the position point of the barrel discharging station) before the packaging barrel forwards moves to the last reciprocating filling station on the large rotary disc (31);

the lid is then removed from the return line by another cover-opening and closing mechanism (34) which rotates synchronously with the packaging barrel and closes the lid before the packaging barrel reaches the dispensing station, and then returns to the cover-removing position to wait for the next lid.

The rotary table is characterized in that the return line is coaxially arranged with the large rotary table, but the rotary table rotates in the opposite direction, the rotating speed of the return line is lower than that of the large rotary table, and the rotating speed of the return line can be smaller as the number of stations on the large rotary table is larger.

after the barrel feeding turntable (21) places the packaging barrel at a barrel feeding station, a reciprocating cover opening and closing mechanism (34) is controlled to rotate synchronously with the large turntable (31) and the packaging barrel on the large turntable in the forward direction, the barrel cover is opened before the packaging barrel reaches the next reciprocating filling station, the barrel cover is placed on a cover storing structure which is transferred synchronously with the packaging barrel on the large turntable, and then the reciprocating cover opening and closing mechanism (34) returns to the barrel feeding station again to wait for the next packaging barrel;

when the packaging barrel rotates to the last reciprocating filling station, the other reciprocating cover opening and closing mechanism waiting at the last reciprocating filling station is controlled to synchronously rotate with the packaging barrel on the large rotary table, the barrel cover is taken down from the cover storage structure, the barrel cover is covered on the packaging barrel before the packaging barrel reaches the barrel outlet station, and then the reciprocating cover opening and closing mechanism returns to the last reciprocating filling station again to wait for the next barrel cover.

The invention provides two different solutions for solving the technical problems of cover opening, cover storage, cover taking and cover closing, wherein one solution is to design a return line independently, and the other solution is to design a synchronously operated cover storage structure, namely, the cover opening, cover storage, cover taking and cover closing actions of a packaging barrel are realized by two reciprocating cover opening and closing mechanisms in a reverse rotation or synchronous rotation mode, so that the rotary filling production line can realize continuous and stable production.

Each filling gun on the reciprocating filling mechanism (33) is provided with a driving mechanism in the vertical direction; reciprocating filling mechanism (33) are connected rotate on support (32) second ring gear (322), second ring gear (322) with rotate support (32) coaxial arrangement, reciprocating filling mechanism (33) can with rotating support (32) is the center, is reciprocating motion between first reciprocating filling station and last reciprocating filling station.

The rotary filling method of the six-station rotary filling machine comprises the following steps:

the packaging barrel is continuously conveyed by a barrel feeding roller way (10);

when the packaging barrel advances to the barrel rotating device (60), the barrel opening of the packaging barrel on the barrel feeding roller way (10) is rotated to a preset direction by the barrel rotating device (60), and the packaging barrel is conveyed to a barrel feeding station on a large rotating disc (31) of the rotary filling machine by the rotary barrel feeding device (20);

the cover of the packaging barrel is opened by a reciprocating cover opening and closing mechanism (34), and the cover is placed on a cover storing device (35) or moved to the last reciprocating filling station;

after the packaging barrel is driven by a large turntable (31) to rotate to a first reciprocating filling station, a first filling gun of a reciprocating filling mechanism (33) is used for filling the packaging barrel;

after the packaging barrel is driven by a large turntable (31) to rotate to a second reciprocating filling station, a second filling gun of a reciprocating filling mechanism (33) fills the packaging barrel, and at the moment, the first filling gun resets to the first reciprocating filling station to fill the next packaging barrel;

after the packaging barrel is driven by a large turntable (31) to rotate to a third reciprocating filling station, a third filling gun of a reciprocating filling mechanism (33) fills the packaging barrel, and at the moment, the first filling gun and the second filling gun respectively reset to the first reciprocating filling station and the second reciprocating filling station;

after the packaging barrel is conveyed to a fourth reciprocating filling station under the drive of a large turntable (31), a cover of the barrel is covered on the packaging barrel by a reciprocating cover opening and closing mechanism (34);

when the packaging barrel arrives at the barrel discharging station under the drive of the large rotary table (31), the packaging barrel is transferred to the barrel discharging roller way (50) from the large rotary table (31) by the rotary barrel discharging device (40), thereby completing filling.

The rotary filling method of the six-station rotary filling machine provided by the invention can simultaneously fill three packaging barrels on a large turntable by using three filling guns of a reciprocating filling mechanism, and the working efficiency of the rotary filling method of the six-station rotary filling machine is improved by more than two times compared with that of a one-gun one-barrel filling mode in the prior art: in the invention, the cover opening, filling, cover closing and bucket discharging of one packing bucket can be finished by only one large turntable every 1/6 of the circumference of the rotation; the filling time of each packaging barrel in the prior art is one complete process time of opening, filling and closing the cover.

The rotary barrel discharging device (40) comprises a barrel discharging rotary table, a barrel discharging rotary shaft and a clamping rotary mechanism, wherein the clamping rotary mechanism is provided with N barrel rotating stations arranged on a rotary frame around the barrel feeding rotary shaft, N is a natural number not less than 2, N is less than M, and N is a divisor of M; the length of the rotating path between two adjacent barrel rotating stations is equal to that between two adjacent filling stations.

The barrel discharging rotary table and the large rotary table are meshed through a gear, and the ratio of the diameters of the barrel discharging rotary table and the large rotary table is N/M; alternatively, when M =6 or 8, N =2, i.e. the number of teeth of the large turntable is 3 or 4 times the number of teeth of the barrel turntable.

A third rotation driving mechanism, a third vertical driving mechanism and a clamping mechanism are arranged at each barrel rotating station, and the third vertical driving mechanism is used for driving the clamping mechanism to move in the vertical direction; the third rotation driving mechanism is used for driving the clamping mechanism to rotate.

The rotary tub exit (40) may be less identification than the rotary tub entry (20).

Drawings

FIG. 1 is a schematic plan view of an overall structure according to an embodiment of the present invention;

FIG. 2 is a perspective view of the overall structure of the embodiment of the present invention;

fig. 3 and 4 are schematic structural diagrams of a rotary filling driving system in an embodiment of the invention;

fig. 5 and 6 are schematic perspective views of a clamping and rotating mechanism in the embodiment of the invention;

FIG. 7 is a schematic plan view of a clamping and rotating mechanism according to an embodiment of the present invention;

FIGS. 8 and 9 are schematic views of the connection structure of the first rotary driving mechanism and the first vertical driving mechanism in the embodiment of the invention;

FIGS. 10 and 11 are schematic structural views of a clamping mechanism according to an embodiment of the present invention;

fig. 12 and 13 are schematic structural views of a reciprocating filling mechanism in an embodiment of the invention;

FIGS. 14 and 15 are schematic structural views of a reciprocating cover opening and closing mechanism according to an embodiment of the present invention;

fig. 16, 17 and 18 are schematic structural views of a cap storage device in an embodiment of the invention.

In the figure:

10-entering a barrel roller way;

20-rotating the barrel feeding device; 21-a barrel-entering turntable; 22-a barrel-entering rotating shaft; 23-a clamping rotation mechanism; 231-a first rotary drive mechanism; 232-a first vertical drive mechanism; 233-a clamping mechanism; 2331-top plate; 2332 — a second rotational drive mechanism; 2333-jaws; 234-identification means; 2341-an adjustment mechanism;

30-rotating the filling machine; 31-large turntable; 32-rotating support; 321-a first ring gear; 322-a second ring gear; 33-a reciprocating filling mechanism; 331-a filling gun; 34-a reciprocating switch cover mechanism; 341-cover opening and closing device; 342-a second vertical drive mechanism; 343-a third rotational drive mechanism; 344-a capping device; 35-a cap storage device; 351-a telescoping mechanism; 36-a drive unit;

40-rotating the barrel discharging device;

50-discharging from a barrel roller way;

60-barrel rotating device;

70-packaging barrel.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It should be noted that the filling stations in this embodiment refer to process reference points uniformly distributed on the circumference of the carousel 31, and the process reference points are related to positions of the rotary barrel inlet device 20 and the rotary barrel outlet device 40, for example, positions correspondingly connected with the rotary barrel inlet device 20 and the rotary barrel outlet device are respectively a barrel inlet station and a barrel outlet station, and a filling station is spaced between the two stations. Taking a six-station filling line as an example, in addition to the barrel inlet station and the barrel outlet station, four filling stations, namely four reciprocating filling stations, are arranged on the circumference of the large turntable. The barrel rotating station in the embodiment refers to a station which rotates along with the barrel rotating shaft on the rotating barrel feeding device.

As shown in fig. 1-18, the present invention provides a rotary bottling line comprising:

the rotary filling machine 30 comprises a large turntable 31, a rotary support 32 which is arranged in the center of the large turntable 31 and is vertically arranged, and M filling stations which are uniformly arranged on the large turntable 31, wherein M is a natural number not less than 5;

the barrel feeding roller table 10 is laid at a first filling station of the rotary filling machine 30, namely a barrel feeding station;

a barrel discharging roller table 50 which is laid at the last filling station of the rotary filling machine 30, namely a barrel discharging station;

the rotary barrel feeding device 20 is used for connecting the barrel feeding stations of the barrel feeding roller way 10 and the rotary filling machine 30;

the rotary barrel discharging device 40 is used for connecting a barrel discharging station of the rotary filling machine 30 with a barrel discharging roller table 50;

wherein, along the rotation direction of the large turntable 31, M-2 reciprocating filling stations are formed between the barrel inlet station and the barrel outlet station; correspondingly, a reciprocating filling mechanism 33 is arranged on the rotary support 32, the reciprocating filling mechanism 33 can reciprocate in the area of the reciprocating filling station by taking the rotary support 32 as a rotary center, and the reciprocating filling mechanism 33 is provided with M-3 filling guns 331, and each filling gun 331 is separated from each other by one filling station, and each filling gun 331 reciprocates between two adjacent filling stations under the driving of the reciprocating filling mechanism 33.

According to the rotary filling production line provided by the invention, empty packaging barrels are conveyed by the barrel inlet roller way, barrel loading of a rotary filling machine is completed from the barrel inlet roller way through the rotary barrel inlet device, the reciprocating filling mechanisms on M-2 stations can simultaneously fill M-3 packaging barrels, filling of the packaging barrels is completed one by one, and the filled packaging barrels are transferred to the barrel outlet roller way through the rotary barrel outlet device.

Further comprising:

the barrel rotating device 60 is arranged along the barrel feeding roller way 10 and located at the upstream of the barrel rotating device 20, and can identify the barrel opening of the packaging barrel on the barrel feeding roller way and rotate the barrel opening of the packaging barrel to a preset direction.

The barrel rotating device 60 can adopt an automatic barrel rotating device and an automatic barrel rotating device in a barrel rotating method disclosed in CN 113292032A.

a rotary barrel feeding device 20 for conveying the packaging barrel to a barrel feeding station, namely a first filling station, of the rotary filling machine 30;

the rotary barrel discharging device 40 is used for transporting away the packaging barrel at a barrel discharging station of the rotary filling machine 30, wherein the barrel discharging station is the last filling station;

wherein, the rotary filling machine 30 forms M-2 reciprocating filling stations between the barrel inlet station and the barrel outlet station along the rotation direction of the large turntable 31; correspondingly, a reciprocating filling mechanism 33 is arranged on the rotary support 32, the reciprocating filling mechanism 33 can reciprocate in the area of the reciprocating filling station with the rotary support 32 as a rotary center, the reciprocating filling mechanism 33 is provided with M-3 filling guns 331, and each filling gun 331 is separated from each other by one filling station, and each filling gun 331 can reciprocate between two adjacent filling stations under the driving of the reciprocating filling mechanism 33.

According to the rotary filling system provided by the invention, empty packaging barrels are transferred to the rotary filling machine through the rotary barrel feeding device, the reciprocating filling mechanisms on M-2 stations can simultaneously fill M-3 packaging barrels, the filling of the packaging barrels is completed one by one, and the filled packaging barrels are transferred to the barrel discharging roller way through the rotary barrel discharging device, so that the whole process is rapid and efficient, and the filling time is shortened by more than half compared with that of the conventional filling machine and is determined by the quantity of M and the reciprocating movement time.

a large turntable 31 surrounding M filling stations uniformly arranged on the large turntable 31, wherein M is a natural number not less than 5; set up the platform that can bear pail pack 70 on the carousel 31 to the quantity of platform equals with the quantity of filling station, rotates the station condition that corresponds along with carousel 31 according to the platform, can start corresponding technology step (for example uncap, filling, close lid etc.).

A driving unit 36 for engaging with the turntable 31 and providing power for the rotation of the turntable 31;

a rotation support 32 vertically arranged at the center of the carousel 31; the rotary support 32 is used to provide support for various filling mechanisms, such as a reciprocating filling mechanism 33, a reciprocating cover-opening and closing mechanism 34, and the like;

the barrel inlet rotary table 21 is meshed with the large rotary table 31, a barrel inlet rotary shaft 22 is arranged at the center of the barrel inlet rotary table 21, and the barrel inlet rotary table 21 drives the barrel inlet rotary shaft 22 to rotate so as to drive the rotary barrel inlet device 20 to rotate;

go out a bucket carousel 41, with the carousel meshing to with advance bucket carousel 21 apart from 1 filling station, the center of going out the bucket carousel is equipped with out the bucket pivot, goes out the bucket carousel and drives out the rotation of bucket pivot, and then drives rotatory barreled of going out device 40 and rotate.

The automatic barrel filling machine further comprises a first gear ring 321 and a reciprocating cover opening and closing mechanism 34, wherein the first gear ring 321 is arranged on the rotating support 32 and is coaxially arranged with the rotating support, the first gear ring 321 is connected with the reciprocating cover opening and closing mechanism 34 and drives the reciprocating cover opening and closing mechanism 34 to move at a first reciprocating filling station, a barrel inlet station, a barrel outlet station and a last reciprocating filling station; or, two reciprocating cover opening and closing mechanisms 34 are provided, wherein one reciprocating mechanism reciprocates between a barrel inlet station and a first reciprocating filling station and is used for opening a barrel cover of the packaging barrel and placing the barrel cover on a cover storing structure synchronous with the packaging barrel or a return line reversely conveyed with the packaging barrel, and the other reciprocating mechanism reciprocates between a last reciprocating filling station and a barrel outlet station and is used for taking down the barrel cover from the cover storing structure or the return line and connecting the barrel cover on a barrel opening of the packaging barrel; the two reciprocating cover opening and closing mechanisms 34 are connected to the first gear ring 321, and the two reciprocating cover opening and closing mechanisms 34 are driven by the first gear ring to move synchronously.

The return line is arranged coaxially with the turntable but turns in the opposite direction, and normally, the rotation speed of the return line is less than that of the turntable, and the ratio of the rotation speeds of the return line and the turntable is 3/M-4/M.

The automatic filling machine further comprises a second gear ring 322 and a reciprocating filling mechanism 33, wherein the second gear ring 322 is arranged on the rotating support 32 and is coaxially arranged with the rotating support, and the second gear ring 322 is connected with the reciprocating filling mechanism 33 and drives the reciprocating filling mechanism 33 to reciprocate between a first reciprocating filling station and a last reciprocating filling station.

The reciprocating cover opening and closing mechanism and the reciprocating filling mechanism are respectively meshed with the gear ring through the motor control gear, so that the gear ring is driven to rotate, and the reciprocating cover opening and closing mechanism and the reciprocating filling mechanism are driven to rotate.

The rotatory barreled that advances device 20 that this embodiment provided, including advancing barrel carousel 21, advance barrel pivot 22 and centre gripping slewing mechanism 23, it sets up at the center of advancing barrel carousel 21 to advance barrel pivot 22, centre gripping slewing mechanism 23 is connected at the top of advancing barrel pivot 22 to can the centre gripping packing barrel 70 of below, it drives into barrel pivot 22 and rotates to advance barrel carousel 21, centre gripping slewing mechanism 23 is equipped with N and arranges the barrel station on revolving rack 230 around advancing barrel pivot 22, wherein N is not less than 2 natural number, and N < M, and N is the divisor of M, the rotation path length of two adjacent barrel stations equals with the rotation path length between two adjacent filling stations.

The rotary barrel feeding device can clamp and transfer the packaging barrel, namely transfer the packaging barrel from the barrel feeding roller way to the large turntable, and can realize non-stop rotation and barrel opening position adjustment in the rotating process under the condition of being combined with the identification device, so that the subsequent process can be smoothly carried out.

The barrel-entering rotary table 21 is meshed with the large rotary table 31 through a gear; alternatively, when M =6 or 8, N =2, that is, the number of teeth of the large turntable 31 is 3 times or 4 times the number of teeth of the tub turntable 21.

A first rotary driving mechanism 231, a first vertical driving mechanism 232, a recognition device 234 and a clamping mechanism 233 are arranged at each barrel rotating station, wherein the recognition device 234 is arranged on the clamping mechanism 233 and can recognize the opening of the barrel downwards; the first vertical driving mechanism 232 is used for driving the clamping mechanism 233 to move in the vertical direction; the first rotary driving mechanism 231 is used for driving the clamping mechanism 233 to rotate.

The recognition device 234 is provided on the adjustment mechanism 2341 such that the position and the recognition angle of the recognition device 234 are adjustable.

The identification device 234 is disposed on the side of the clamp rotating mechanism 23 away from the barrel entrance rotating shaft 22.

The clamping mechanism 233 includes a top plate 2331, a second rotation driving mechanism 2332, and a clamping jaw 2333 connected to both sides of the top plate 2331, wherein the second rotation driving mechanism is connected to the top plate 2331 and can drive the clamping jaw 2333 to move relatively, and the clamping jaw 2333 is connected to the top plate 2331 in a sliding connection manner.

The second rotational drive mechanism 2332 includes a motor driven pulley drive or a motor driven sprocket drive, and correspondingly, the jaws 2333 are connected to a belt or chain.

A method for transferring a packaging barrel from a barrel roller table 10 to a barrel feeding station of a rotary filling machine 30 by using a rotary barrel feeding device 20, comprising:

the clamping and rotating mechanism 23 is driven to rotate around the barrel inlet rotating shaft 22, and the rotating speed is kept unchanged;

when the drum is rotated to the position above the packaging barrel of the barrel feeding roller way 10, the first vertical driving mechanism 232 is controlled to lower the clamping mechanism 233 while rotating;

when the clamping jaw 2333 of the clamping mechanism 233 is lowered to be lower than the top surface of the packaging barrel, the clamping jaw 2333 is controlled to contract, and when the clamping jaw 2333 contracts to clamp the outer wall of the packaging barrel, the rotating shaft center of the clamping mechanism 233 is rotated to just the top surface center of the packaging barrel;

then immediately controlling the first vertical driving mechanism 232 to lift upwards to separate the packaging barrel from the barrel roller way 10, and continuously rotating the whole barrel rotating device 20 in the process;

meanwhile, the orientation of the bung is recognized by the recognition device 234, and when the orientation of the bung forms an angle a with the predetermined orientation, the first rotation driving mechanism 231 controls the clamping mechanism 233 to rotate in the reverse direction by the angle a, so that the orientation of the bung points to the predetermined orientation;

when the barrel rotating and feeding device 20 drives the packaging barrel to rotate to the barrel feeding station of the large turntable 31, the packaging barrel is controlled to be fed through the first vertical driving mechanism 232, and when the packaging barrel is fed to be in contact with the barrel feeding station of the large turntable 31, the clamping jaw 2333 is controlled to be opened quickly through the second rotating driving mechanism 2332 immediately, and meanwhile, the clamping mechanism 233 is controlled to ascend through the first vertical driving mechanism 232, so that the barrel feeding station for transferring the packaging barrel from the barrel feeding roller way 10 to the rotating and feeding machine 30 is completed.

During the transferring process, the barrel-entering rotary table 21 is driven by the large rotary table 31 to rotate at a constant speed.

The number of the clamping jaws 2333 can be two or three.

The invention utilizes the rotary barrel feeding device to realize the transportation of the packaging barrel and simultaneously adjusts the position of the barrel opening of the packaging barrel, thereby facilitating the smooth proceeding of the subsequent cover opening and closing processes.

identifying the top barrel mouth of the packaging barrel conveyed by the barrel feeding roller way 10 by a barrel rotating device 60, rotating the barrel mouth to a preset position, and then continuously conveying the packaging barrel forwards by the barrel feeding roller way 10;

the packaging barrel is clamped by the clamping and rotating mechanism 23 of the barrel rotating device 20 through the clamping mechanism 233 in the rotating process, and is lifted by the first vertical driving mechanism 232;

the identification device 234 of the clamping and rotating mechanism 23 identifies the bung, and the orientation of the bung is adjusted by the first rotation driving mechanism 231 during the rotation of the clamping and rotating mechanism 23 to be aligned with the predetermined orientation;

when the packaging barrel is about to reach the barrel entering station of the large turntable 31, the first vertical driving mechanism 232 is controlled to lower the packaging barrel to the barrel entering station, and the clamping mechanism 233 releases the clamping of the packaging barrel.

The rotary filler 30 further includes:

the reciprocating cover opening and closing mechanism 34 is connected to the first gear ring 321 of the rotating support 32, the first gear ring 321 and the rotating support 32 are coaxially arranged, and the reciprocating cover opening and closing mechanism 34 can take the rotating support 32 as a center and can reciprocate among a first reciprocating filling station, a barrel inlet station, a barrel outlet station and a last reciprocating filling station.

The reciprocating open/close cover mechanism 34 includes:

a lid opener 341 capable of rotatably opening and closing the lid;

a second vertical driving mechanism 342 capable of driving the opening and closing cap 341 to move in a vertical direction;

a third rotation driving mechanism 343, which is in meshing transmission with the first gear ring to drive the first gear ring, and can drive the reciprocating cover opening and closing mechanism 34 to reciprocate integrally around the rotary support 32;

and a capper 344 provided at a side of the switch capper 341 and having an elastic pressing head having a height lower than that of the switch capper 341 so that the elastic pressing head can contact with a top of the packing bucket and press the packing bucket before the switch capper 341.

The cap opening and closing device 341 uses a cap screwing quick-change structure and a cap opening and closing robot disclosed in CN113998646A, or uses a gas claw and a cap opening and closing robot with a three-claw structure disclosed in CN113929033A, or uses a related cap opening and closing technical scheme in a cap screwing device and a cap opening and closing robot disclosed in CN 113753816A.

In a rotary filling line, a method for opening and closing a packaging barrel by using a reciprocating cover opening and closing mechanism 34 comprises the following steps:

when the barrel feeding turntable 21 places the packaging barrel at a barrel feeding station, the reciprocating cover opening and closing mechanism 34 and the large turntable 31 are controlled to rotate synchronously in the forward direction, and the barrel cover is opened before the packaging barrel reaches the next filling station;

then judge whether the quantity of pail pack on the carousel 31 satisfies the condition of covering:

if the cover storage condition is met, controlling the reciprocating cover opening and closing mechanism 34 to rapidly and reversely rotate to the cover storage device 35, and placing the barrel cover on the cover storage device 35;

if the cover storage condition is not met, controlling the reciprocating cover opening and closing mechanism 34 to rapidly and reversely rotate to the packaging barrel passing through the last reciprocating filling station, then controlling the reciprocating cover opening and closing mechanism 34 and the large rotating disc 31 to forwardly and synchronously rotate, and covering the barrel cover on the packaging barrel before the packaging barrel reaches a barrel outlet station;

then judge whether the quantity of pail pack on the carousel 31 satisfies and gets and cover the condition:

and if the cover taking condition is met, controlling the reciprocating cover opening and closing mechanism 34 to move onto the cover storing device 35 to take the cover, then rapidly and reversely rotating to the packaging barrel passing through the last reciprocating filling station, controlling the reciprocating cover opening and closing mechanism 34 and the large rotary disc 31 to rotate in a forward synchronous mode, and covering the barrel cover on the packaging barrel before the packaging barrel reaches the barrel outlet station.

When the cover storage condition is not met, the cover storage device 35 is controlled to retract to avoid the reciprocating cover opening and closing mechanism 34.

The cover storage conditions are as follows:

the number of the packing barrels on the large rotary disc is larger than that of the barrel covers on the cap storage device, and the number of the barrel covers on the cap storage device is smaller than M-2.

The cap taking condition is as follows:

The barrel inlet station is empty, namely, when a preset time interval is reached, no new packaging barrel is located at the barrel inlet station.

The method for opening and closing the cover on the rotary filling production line provided by the invention can solve the problems of opening, storing, taking and closing the cover on the rotary filling production line only by one cover opening and closing device, thereby enabling the rotary filling production line to operate stably at a high speed.

A cover storage device 35 is arranged between the barrel inlet station and the barrel outlet station, the cover storage device 35 is connected to the rotary support 32 and can move in a telescopic mode relative to the rotary support 32 to avoid the reciprocating cover opening and closing mechanism 34.

The cap storage device 35 is provided with the same number of cap storage positions as the reciprocating filling stations, namely M-2 cap storage positions.

Deposit and cover device 35 and connect on rotating support 32 through telescopic machanism 351, telescopic machanism includes telescopic bracket, telescopic cylinder, linear guide, and telescopic bracket fixed connection is on rotating support 32, and linear guide sets up on telescopic bracket, and cover device 35 is deposited along the linear guide motion in the telescopic cylinder drive.

In a rotary filling line, a method for opening and closing a packaging barrel by using two reciprocating cover opening and closing mechanisms 34 comprises the following steps:

after the barrel feeding turntable 21 places the packaging barrel at the barrel feeding station, a reciprocating cover opening and closing mechanism 34 is controlled to rotate synchronously with the large turntable 31 and the packaging barrel on the large turntable in the forward direction, the barrel cover is opened before the packaging barrel reaches the next reciprocating filling station, the barrel cover is placed on a returning line, and then the reciprocating cover opening and closing mechanism 34 returns to the barrel feeding station again to wait for the next packaging barrel;

the back conveying line is conveyed along the direction opposite to the large rotary table and reaches a position point between the last reciprocating filling station and the barrel discharging station, including the last reciprocating filling station, but not including the barrel discharging station before the packaging barrel forwards turns to the last reciprocating filling station on the large rotary table 31;

the lid is then removed from the return line by another cover-opening and-closing mechanism 34, which rotates synchronously with the packaging barrel and closes the lid before the packaging barrel reaches the dispensing station, and then returns to the cover-removing position to wait for the next lid.

The returning line is arranged coaxially with the large turntable, but the rotating speed of the returning line is lower than that of the large turntable, and the rotating speed of the returning line can be lower as the number of the stations on the large turntable is larger according to the number of the stations on the large turntable.

when the barrel feeding turntable 21 places the packaging barrel at the barrel feeding station, a reciprocating cover opening and closing mechanism 34 is controlled to rotate synchronously with the large turntable 31 and the packaging barrel on the large turntable in the forward direction, the barrel cover is opened before the packaging barrel reaches the next reciprocating filling station, the barrel cover is placed on a cover storing structure which is synchronously transferred with the packaging barrel on the large turntable, and then the reciprocating cover opening and closing mechanism 34 returns to the barrel feeding station again to wait for the next packaging barrel;

Each filling gun on the reciprocating filling mechanism 33 is provided with a driving mechanism in the vertical direction; the reciprocating filling mechanism 33 is connected to a second gear ring 322 of the rotating support 32, the second gear ring 322 is coaxially arranged with the rotating support 32, and the reciprocating filling mechanism 33 can perform reciprocating motion between a first reciprocating filling station and a last reciprocating filling station by taking the rotating support 32 as a center.

continuously conveying the packaging barrel by a barrel feeding roller way 10;

when the packaging barrel advances to the barrel rotating device 60, the barrel mouth of the packaging barrel on the barrel feeding roller way 10 is rotated to a preset direction by the barrel rotating device 60, and the packaging barrel is conveyed to a barrel feeding station on a large turntable 31 of a rotary filling machine by the rotary barrel feeding device 20;

the cover of the packaging barrel is opened by utilizing a reciprocating cover opening and closing mechanism 34, and the cover is placed on a cover storing device 35 or moved to the last reciprocating filling station;

after the packaging barrel is driven by the large rotary table 31 to rotate to a first reciprocating filling station, a first filling gun of the reciprocating filling mechanism 33 fills the packaging barrel;

after the packaging barrel is driven by the large rotary table 31 to rotate to a second reciprocating filling station, a second filling gun of the reciprocating filling mechanism 33 fills the packaging barrel, and at the moment, the first filling gun is reset to the first reciprocating filling station to fill the next packaging barrel;

after the packaging barrel is driven by the large turntable 31 to rotate to a third reciprocating filling station, a third filling gun of the reciprocating filling mechanism 33 fills the packaging barrel, and at the moment, the first filling gun and the second filling gun respectively reset to the first reciprocating filling station and the second reciprocating filling station;

after the packaging barrel is conveyed to a fourth reciprocating filling station under the driving of the large turntable 31, the cover of the barrel is covered on the packaging barrel by the reciprocating cover opening and closing mechanism 34;

when the packaging barrel arrives at the barrel outlet station under the driving of the large rotary table 31, the packaging barrel is transferred to the barrel outlet roller table 50 from the large rotary table 31 by the rotary barrel outlet device 40, so that the filling is completed.

The rotary filling method of the six-station rotary filling machine provided by the invention can simultaneously fill three packaging barrels on a large turntable by using three filling guns of a reciprocating filling mechanism, and the working efficiency of the rotary filling method of the six-station rotary filling machine is improved by more than two times compared with that of a one-gun one-barrel filling mode in the prior art: in the invention, the cover opening, filling, cover closing and barrel discharging of a packaging barrel can be finished by only one large turntable every 1/6 of the circumference of the large turntable; the filling time of each packaging barrel in the prior art is one complete process time of opening, filling and closing the cover. Therefore, it is possible to

The rotary barrel discharging device 40 comprises a barrel discharging turntable, a barrel discharging rotating shaft and a clamping rotating mechanism, wherein the clamping rotating mechanism is provided with N barrel rotating stations arranged on a rotating frame around the barrel feeding rotating shaft, N is a natural number not less than 2, N is less than M, and N is a divisor of M; the length of the rotating path between two adjacent barrel rotating stations is equal to that between two adjacent filling stations.

The barrel outlet rotary table is meshed with the large rotary table through a gear, and the ratio of the diameters of the barrel outlet rotary table to the large rotary table is N/M; alternatively, when M =6 or 8, N =2, i.e. the number of teeth of the carousel is 3 or 4 times the number of teeth of the barrel carousel.

The rotary tub apparatus 40 may be less identification apparatus than the rotary tub apparatus 20.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. The rotary filling method of the six-station rotary filling machine is characterized by comprising the following steps:

when the packaging barrel advances to the barrel rotating device (60), the barrel opening of the packaging barrel on the barrel feeding roller way (10) is rotated to a preset direction by the barrel rotating device (60), and the packaging barrel is conveyed to a barrel feeding station on a large turntable (31) of the rotary filling machine by the rotary barrel feeding device (20);

2. The method of claim 1,

the rotary filling machine (30) comprises a large turntable (31), a vertically arranged rotary support (32) arranged in the center of the large turntable (31), and 6 filling stations uniformly arranged on the large turntable (31).

The rotary filling machine (30) forms 4 reciprocating filling stations between the barrel inlet station and the barrel outlet station along the rotation direction of the large turntable (31); correspondingly, a reciprocating filling mechanism (33) is arranged on the rotating support (32), the reciprocating filling mechanism (33) can reciprocate in a reciprocating filling station area by taking the rotating support (32) as a rotating center, the reciprocating filling mechanism (33) is provided with 3 filling guns (331), a filling station is arranged between every two adjacent filling guns (331), and each filling gun (331) can reciprocate between every two adjacent filling stations under the driving of the reciprocating filling mechanism (33).

3. The method of claim 2,

the rotary filling machine (30) further comprises a first gear ring (321) and a reciprocating cover opening and closing mechanism (34), wherein the first gear ring (321) is arranged on the rotary support (32) and is coaxially arranged with the rotary support, and the first gear ring (321) is connected with the reciprocating cover opening and closing mechanism (34) and drives the reciprocating cover opening and closing mechanism (34) to move at a first reciprocating filling station, a barrel inlet station, a barrel outlet station and a last reciprocating filling station; or two reciprocating cover opening and closing mechanisms (34) are arranged, wherein one reciprocating mechanism reciprocates between the barrel inlet station and the first reciprocating filling station and is used for opening the cover of the packaging barrel and placing the cover on a cover storing structure synchronous with the packaging barrel or a return line reversely conveyed with the packaging barrel, and the other reciprocating mechanism reciprocates between the last reciprocating filling station and the barrel outlet station and is used for taking down the cover from the cover storing structure or the return line and connecting the cover to the opening of the packaging barrel; the two reciprocating cover opening and closing mechanisms (34) are connected to the first gear ring (321) together, and the two reciprocating cover opening and closing mechanisms (34) move synchronously under the driving of the first gear ring.

4. The method of claim 2,

the rotary filling machine (30) further comprises a second gear ring (322) and a reciprocating filling mechanism (33), the second gear ring (322) is arranged on the rotating support (32) and is coaxially arranged with the rotating support, and the second gear ring (322) is connected with the reciprocating filling mechanism (33) and drives the reciprocating filling mechanism (33) to reciprocate between a first reciprocating filling station and a last reciprocating filling station.

5. The method of claim 1,

rotatory bucket device (20) of advancing is including advancing bucket carousel (21), advancing bucket pivot (22) and centre gripping slewing mechanism (23), it sets up to advance bucket pivot (22) advance the center of bucket carousel (21), centre gripping slewing mechanism (23) are connected advance the top of bucket pivot (22) to can the centre gripping the pail pack of below, advance bucket carousel (21) drive advance bucket pivot (22) and rotate, centre gripping slewing mechanism (23) center on it is equipped with 2 and arranges the commentaries on classics bucket stations on classics on revolving rack (230) to advance bucket pivot (22).

6. The method of claim 5,

7. The method of claim 6,

the recognition device (234) is arranged on the adjusting mechanism (2341) so that the position and the recognition angle of the recognition device (234) can be adjusted.

8. The method of claim 6,

9. The method of claim 6,

10. The method of claim 1,