CN112623321A - Bar-shaped object caching device for realizing first-in first-out by using turnover box and caching method thereof - Google Patents

Abstract

The invention discloses a rod-shaped object cache device for realizing first-in first-out by using a turnover box and a cache method thereof, which are used for caching cigarettes or other rod-shaped objects, wherein the cache device comprises: the full-box empty-box shifting machine comprises a feeding device, a box packing device, a full-box caching mechanism, an empty-box caching mechanism, a full-box empty-box shifting machine, a box discharging device, a discharging device and a turnover box; the at least three groups of empty box caching mechanisms are used for caching and conveying idle turnover boxes which are not filled with the rod-shaped objects, and the at least three groups of full box caching mechanisms are used for caching and conveying full-load turnover boxes which are filled with the rod-shaped objects; the buffered rod-shaped materials are fed into the packaging machine through the box unloading device and the discharging device as required, so that the production efficiency is improved, the working method is reasonable in design and simple in principle, the working method accords with the buffering flow, the buffered cigarettes comply with the first-in first-out requirement, and the cigarettes are prevented from being buffered for a long time and the quality is prevented from being damaged.

Description

Bar-shaped object caching device for realizing first-in first-out by using turnover box and caching method thereof

Technical Field

The invention relates to the technical field of a caching process device, in particular to a rod-shaped object caching device and a caching method thereof, wherein the rod-shaped object caching device realizes first-in first-out by using a turnover box.

Background

In the cigarette production link, because of the needs of the production process flow, the cigarette making machine and the packaging machine are two devices, and considering that the two devices can break down in the operation, in order to improve the production efficiency and reduce the shutdown condition, a buffer memory device needs to be added between the two devices, namely when the packaging machine breaks down, the cigarettes produced by the cigarette making machine are automatically stored in the buffer memory device, when the cigarette making machine breaks down, the cigarettes of the buffer memory device are automatically supplied to the packaging machine, and the continuous operation of the devices is ensured by the aid of the first-in first-out.

The buffer memory device in the prior art and the equipment has cigarette stream transmission from the storage process, and the storage time of the cigarettes is divided into first-in first-out and first-in last-out, and the existing problems are not completely solved in the prior equipment and the technology according to the influence on the quality of the cigarettes and the influence on the taste of the cigarettes, so that the improvement and the improvement on the prior art and the equipment are a demand.

Disclosure of Invention

The invention aims at the problems and discloses a rod-shaped object caching device and a caching method thereof, wherein the rod-shaped object caching device realizes first-in first-out by using a turnover box.

The specific technical scheme is as follows:

a rod-shaped object caching device for realizing first-in first-out by using a turnover box is arranged between a cigarette making machine and a packaging machine, wherein the caching device comprises: the full-box empty-box shifting machine comprises a feeding device, a box packing device, a full-box caching mechanism, an empty-box caching mechanism, a full-box empty-box shifting machine, a box discharging device, a discharging device and a turnover box;

the feeding device is used for conveying the rod-shaped objects to the inlet of the boxing device;

the boxing device takes out the empty turnover boxes from the empty box caching mechanism, loads the rod-shaped objects into the empty turnover boxes, and puts the turnover boxes filled with the rod-shaped objects onto a belt conveyor of the full box caching mechanism;

the full-box cache mechanism is used for caching and conveying full-load turnover boxes filled with the rod-shaped objects, and the number of the full-box cache mechanisms is at least three;

the empty box buffer mechanism is used for buffering and conveying empty transfer boxes which are not filled with the rod-shaped objects and are in an empty state, and the number of the empty box buffer mechanisms is at least three;

the full-box and empty-box shifting machine is used for transferring full-load transfer boxes and unloaded empty transfer boxes, transferring the rod-shaped objects in the full-load transfer boxes to a packaging machine according to a first-in first-out sequence, and transferring the empty transfer boxes to an empty-box caching mechanism when needed;

the box unloading device is used for unloading the turnover boxes in a full-load state stored on the full-box cache mechanism according to a first-in first-out principle to the discharging device when needed, and putting the unloaded turnover boxes in an empty state onto the empty-box cache mechanism;

the discharging device is used for conveying the rod-shaped objects discharged by the box discharging device to the channel of the packaging machine.

Further, the turnover box includes the box body of cuboid structure, and a lateral wall of box body is open structure, and the installation on the box body of the diapire pull formula of box body is equipped with the positioning slot on the diapire of box body.

Further, the feeding device comprises a feeding channel, and a chain plate conveyor or a belt conveyor is arranged in the feeding channel.

Furthermore, the empty box caching mechanism and the full box caching mechanism are arranged in two rows in the horizontal direction; in one column, the first empty box cache mechanism is positioned at the top, and the first full box cache mechanism and the second full box cache mechanism are sequentially arranged below the first empty box cache mechanism; in the other row, a third full-box cache mechanism is arranged at the lowest part, and a third empty-box cache mechanism and a second empty-box cache mechanism are sequentially arranged above the third full-box cache mechanism;

the full empty box shifting machine is arranged behind the two columns of empty box caching mechanisms and the full box caching mechanism;

the two rows of empty box caching mechanisms and the full box caching mechanisms are used for placing a box loading device and a box unloading device in front of each other, the first full box caching mechanism and the second full box caching mechanism are arranged corresponding to the box unloading device, and the second empty box caching mechanism and the third empty box caching mechanism are arranged corresponding to the box loading device; the boxing device is connected with the connecting conveying channel of the cigarette making machine and the packaging machine through the feeding device, and the box unloading device is connected with the connecting conveying channel of the cigarette making machine and the packaging machine through the discharging device.

Further, empty box buffer memory mechanism and full box buffer memory mechanism all include the support, are equipped with band conveyer in the support.

Further, the boxing device comprises an empty box taking-out mechanism, a full box descending mechanism, a variable bin mechanism, a push plate mechanism and a valve mechanism;

the empty box taking-out mechanism is correspondingly arranged in front of the third empty box caching mechanism and comprises two groups of transmission assemblies arranged in a mirror image mode, each group of transmission assemblies comprises a first push rod, a second push rod, a third push rod and a fourth push rod, the first push rod is horizontally arranged above the third push rod, two ends of the second push rod are respectively hinged to the rear ends of the first push rod and the third push rod, two ends of the fourth push rod are respectively hinged to the front ends of the first push rod and the third push rod, and the bottom of the fourth push rod extends downwards to form a pushing end;

the hinged part of a second push rod and a third push rod of each transmission assembly is rotatably sleeved on a transmission shaft of a belt conveyor of the third empty box caching mechanism, a plurality of pressure-bearing rods are horizontally connected between the first push rods of the two transmission assemblies, a fifth push rod is horizontally connected between pushing ends of fourth push rods of the two transmission assemblies, and the end part of a driving rod of an air cylinder fixed on the support is rotatably fixed on the fifth push rod;

in an initial state, the cylinder drives the pressure bearing rod to move to be arranged in the belt conveyor; when the empty turnover box needs to be taken out, the driving rod of the air cylinder contracts inwards to drive the fourth push rod to rotate, so that the turnover box pressed on the pressure-bearing rod drives the empty turnover box to move upwards and move forwards out of the third empty box caching mechanism;

the full box descending mechanism comprises a first transplanting mechanism, the first transplanting mechanism is arranged corresponding to the third empty box caching mechanism, the first transplanting mechanism comprises two vertically arranged support frames, each support frame is respectively provided with a driving wheel, a driven wheel and a chain, the driving wheel and the driven wheel are arranged up and down and are rotatably connected with the support frames, the chains are wound on the driving wheel and the driven wheel, lifting plates are fixedly connected onto the chains, the lifting plates on the two support frames are correspondingly arranged, and the lifting plates move so as to drive the turnover boxes to move up and down;

the variable storage bin mechanism comprises a storage bin shell, the top of the storage bin shell is communicated with a feeding channel, a side baffle, a rodless cylinder and a moving plate are arranged in the storage bin shell, the two vertically arranged side baffles are oppositely fixed in the storage bin shell, a sliding groove is vertically formed in each side baffle, the rodless cylinder is fixed on the outer side of each side baffle, the moving plate is horizontally arranged between the two side baffles, a sliding block of each rodless cylinder penetrates through the sliding groove to be fixedly connected with the moving plate, and the rodless cylinder controls the moving plate to move up and down in the storage bin shell;

the push plate mechanism comprises a first electric push rod fixed in the bin shell, the first electric push rod is fixedly connected with the push plate box body, the bottom of the push plate box body is arranged above the moving plate, the first electric push rod is arranged in front of the moving plate, and the first electric push rod pushes the push plate box body to move back and forth;

the valve mechanism comprises a second electric push rod fixed in the bin shell, the second electric push rod is arranged above the push plate mechanism and fixedly connected with the valve, and the valve can be fixed at the top of the push plate box body in a back-and-forth movement mode;

the push plate box body and the valve can be pushed between the two side baffles;

the boxing device comprises the following boxing steps: when boxing is needed, the empty turnover box on the third empty box caching mechanism is taken out by the empty box taking-out mechanism and placed on the full box descending mechanism, the push plate mechanism and the valve mechanism push the rod-shaped objects in the variable material warehouse into the empty box after the movable plate of the variable material warehouse mechanism gradually falls from the highest position to the lowest position, the push plate mechanism exits after the rod-shaped objects are pushed into the empty box, the movable plate of the variable material warehouse mechanism quickly moves up from the lowest position to the highest position and then the valve mechanism exits, and the full turnover box descends to the third full tray caching mechanism along with the full box descending mechanism to realize boxing.

Further, full box empty box aversion machine includes riser, first horizontal slide rail and first flexible guide rail, and first horizontal slide rail is connected with the riser to through the vertical lift of riser, first flexible guide rail is installed on first horizontal slide rail, by first horizontal slide rail control horizontal migration, and the end connection of first flexible guide rail has the shifting board, and the shifting board is used for holding in the palm the turnover box of empty position state or the turnover box of full load state.

Further, discharging device includes discharging channel, is equipped with drag chain conveyor or band conveyer in the discharging channel.

Furthermore, the box unloading device comprises a full box taking-out mechanism, a full box lifting mechanism, a full box empty box grabbing mechanism and a turnover box moving bottom plate drawing mechanism;

the full box taking-out mechanism is fixed in front of the belt conveyors of the first full box caching mechanism and the second full box caching mechanism, and the structure of the full box taking-out mechanism is the same as that of the empty box taking-out mechanism;

the full-box lifting mechanism comprises a second transplanting mechanism, the second transplanting mechanism is arranged corresponding to the first full-box caching mechanism, the structure of the second transplanting mechanism is the same as that of the first transplanting mechanism, and the second transplanting mechanism and the first transplanting mechanism share one supporting frame;

the full-box empty-box grabbing mechanism comprises a second horizontal slide rail, a second telescopic guide rail and a clamping cylinder, the second horizontal slide rail is fixed in front of the first empty-box caching mechanism, the second telescopic guide rail is mounted on the lower side of the second horizontal slide rail and moves horizontally through the second horizontal slide rail, the clamping cylinder is mounted at the end part of the second telescopic guide rail, and the second telescopic guide rail controls vertical lifting;

the turnover box moving bottom plate drawing mechanism comprises a supporting bottom plate, the supporting bottom plate is horizontally fixed behind a box unloading opening of the discharging channel, a pull plate is movably arranged on the supporting bottom plate and is driven to move by a third electric push rod, and positioning convex strips are arranged on the pull plate and can be fixedly inserted into positioning slots in the bottom wall of the box body;

the box unloading step of the box unloading device is as follows: when needed, the full box taking-out mechanism takes out the turnover box in a full-load state from the first full box caching mechanism or the second full box caching mechanism, the turnover box is placed on the full box lifting mechanism and lifted in place, the full box empty box grabbing mechanism places the turnover box in a full-load state into the box unloading opening, at the moment, the positioning convex strips on the pulling plate of the turnover box moving bottom plate pulling mechanism are inserted into the positioning slots fixed on the bottom wall of the box body, the turnover box moving bottom plate pulling mechanism pulls out the bottom wall of the box body, the rod-shaped objects fall, the box bottom plate is pushed into the box after the rod-shaped objects in the box fall, and the full box empty box shifting mechanism places the turnover box on the first empty box caching mechanism to complete box unloading.

A method for realizing first-in first-out rod-shaped object caching device by using turnover boxes comprises the following steps:

1) after boxing, the full box descending mechanism of the boxing device moves the turnover box filled with the rod-shaped objects downwards to the forefront of the third full box caching mechanism, meanwhile, a belt conveyor of the third empty box caching mechanism drives the turnover box in the empty state on the layer to move forwards, and a belt conveyor of the third full box caching mechanism drives the turnover box in the full state on the layer to move backwards;

2) when the transfer box in the full-load state moves to the last side along with the belt conveyor of the third full-box caching mechanism, the full-box empty-box shifting machine horizontally moves the transfer box in the full-load state to the first full-box caching mechanism and/or the second full-box caching mechanism; meanwhile, the belt conveyors of the first full-box caching mechanism and the second full-box caching mechanism respectively drive the turnover boxes in a full-load state on the layer to move forwards;

3) when the full-load turnover boxes on the first full-box cache mechanism or the second full-box cache mechanism move to the forefront, the full-load turnover boxes on the full-box cache mechanism or the second full-box cache mechanism can be placed on a full-box lifting mechanism of a box unloading device according to a transfer sequence and lifted to a process position as required by a full-box taking-out device of the box unloading device, the full-load turnover boxes are placed at an unloading position by a turnover box shifting mechanism, a bottom plate is pulled open by a turnover box movable bottom plate pulling mechanism and unloaded, the turnover box movable bottom plate is closed after unloading is completed, the empty boxes are placed on a first empty box cache mechanism by the turnover box shifting mechanism, and meanwhile, a belt conveyor on the first empty box cache mechanism moves the empty turnover boxes backwards;

4) when the empty transfer box on the first empty box caching mechanism moves to the rearmost side, or after the empty transfer box on the first empty box caching mechanism is filled, the full-box empty box shifting machine moves the transfer box to a third empty box caching mechanism and/or a second empty box caching mechanism;

5) repeating the steps 1) -4) to realize the cyclic work.

Further, the rod-shaped object is a cigarette.

The invention has the beneficial effects that:

1) the buffer strategy of the rod-shaped objects can be adjusted according to the production states of the cigarette making machine and the packaging machine, the buffer device carries out unloading supplement when the production speed of the packaging machine is higher than that of the cigarette making machine, the buffer device carries out buffer when the production speed of the packaging machine is lower than that of the cigarette making machine, the buffer device realizes first-in first-out of the rod-shaped objects through switching of three full-box buffer mechanisms, and the flexibility is high; the transfer box with material reduces the conveying of the cigarettes.

2) The invention can be used for caching cigarettes or other rod-shaped objects, ensures the normal continuous operation of other equipment, improves the production efficiency, has reasonable design of the working method and simple principle, accords with the caching flow, and avoids the long-term caching and quality damage of the cigarettes or other rod-shaped objects because the cached cigarettes or other rod-shaped objects comply with the first-in first-out requirement.

Drawings

FIG. 1 is a schematic view of the present invention showing a transfer case;

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the full empty cassette shifter of the present invention;

FIG. 4 is a schematic diagram of the full cassette lowering/lifting mechanism of the present invention;

FIG. 5 is a schematic structural view of the empty/full ejection mechanism of the present invention (1);

FIG. 6 is a schematic structural view of the empty/full ejection mechanism of the present invention (2);

FIG. 7 is an enlarged view of a portion of FIG. 6 of the present invention;

FIG. 8 is a schematic structural diagram of the variable bin mechanism of the present invention;

FIG. 9 is an assembled view of the variable bin mechanism, push plate mechanism and shutter mechanism of the present invention;

FIG. 10 is a schematic illustration of the boxing step of the present invention (1);

FIG. 11 is a schematic illustration of the boxing step of the present invention (2);

FIG. 12 is a schematic view of the boxing step of the present invention (3);

FIG. 13 is a schematic illustration of the boxing step of the present invention (4);

FIG. 14 is a schematic structural view of a full empty cassette grasping mechanism according to the present invention;

FIG. 15 is a schematic structural view of the drawer of the movable base of the turnover box of the present invention;

FIG. 16 is a flow chart illustrating a second embodiment of the present invention;

fig. 17 is a flowchart illustrating a third embodiment of the present invention.

The automatic cigarette making machine comprises a cigarette making machine 1, a packaging machine 2, a full box empty box shifting machine 3, a box packing device 6, a box unloading device 7, a feeding device 8, a discharging device 9 and a turnover box 10;

a lifter 301, a first horizontal slide rail 302, a first telescopic guide rail 303 and a shifting plate 304;

a first empty box buffer mechanism 401, a second empty box buffer mechanism 402, a third empty box buffer mechanism 403, an empty transfer box 404, a bracket 405 and a belt conveyor 406;

a first full-box cache mechanism 501, a second full-box cache mechanism 502, a third full-box cache mechanism 503, and a full-load turnover box 504;

an empty box taking-out mechanism 61, a full box descending mechanism 62, a variable bin mechanism 63, a push plate mechanism 64 and a valve mechanism 65;

a first push rod 6101, a second push rod 6102, a third push rod 6103, a fourth push rod 6104, a pushing end 6105, a pressure-bearing rod 6106, a fifth push rod 6107, and a cylinder 6108;

a supporting frame 6201, a driving wheel 6202, a driven wheel 6203, a chain 6204 and a lifting plate 6205;

the device comprises a bin shell 6301, a side baffle 6302, a rodless cylinder 6303 and a moving plate 6304;

a first electric push rod 6401, a push plate box 6402;

a second electric push rod 6501 and a shutter 6502;

a full cassette taking-out mechanism 71, a full cassette lifting mechanism 72, a full cassette empty cassette grasping mechanism 73, and a turnover cassette moving bottom plate drawing mechanism 74;

a second horizontal slide rail 7301, a second telescopic guide rail 7302, and a clamping cylinder 7303;

a support bottom plate 7401, a pulling plate 7402, a third electric push rod 7403 and a positioning convex strip 7404;

a feed channel 801, a feed belt conveyor 802;

a discharge channel 901 and a discharge belt conveyor 902;

case 1001, bottom wall 1002 of case.

Detailed Description

In order to make the technical solution of the present invention clearer and clearer, the present invention is further described below with reference to embodiments, and any solution obtained by substituting technical features of the technical solution of the present invention with equivalents and performing conventional reasoning falls within the scope of the present invention.

Example one

The rod-shaped object caching device for realizing first-in first-out by using the turnover box of the embodiment is arranged between the cigarette making machine 1 and the packaging machine 2, wherein the caching device comprises:

the automatic box loading and unloading device comprises a feeding device 8, a box loading device 6, a full box caching mechanism, an empty box caching mechanism, a full box and empty box shifting machine, a box unloading device 7, a discharging device 9 and a turnover box 10;

the feeding device is used for conveying the cigarettes to the inlet of the boxing device;

the boxing device takes out the empty turnover box from the empty box caching mechanism, loads cigarettes into the empty turnover box, and puts the full turnover box 504 on a belt conveyor of the full box caching mechanism;

the full-box cache mechanism is used for caching and conveying turnover boxes in a full-load state filled with cigarettes, and the number of the full-box cache mechanisms is three;

the empty box caching mechanisms are used for caching and conveying the empty transfer boxes 404 which are not filled with cigarettes and are in an empty state, and the number of the empty box caching mechanisms is three;

the full-box empty-box shifting machine 3 is used for transferring full-load transfer boxes and unloaded empty transfer boxes, transferring cigarettes in the full-load transfer boxes to a packing machine in a first-in first-out sequence, and transferring the empty transfer boxes to an empty-box caching mechanism when needed;

the box unloading device is used for unloading the turnover boxes in a full-load state stored on the full-box cache mechanism according to a first-in first-out principle to the discharging device when needed, and putting the unloaded turnover boxes in an empty state onto the empty-box cache mechanism;

the discharging device is used for conveying the cigarettes discharged by the box discharging device to the channel of the packing machine.

In this embodiment, the turnover box includes box body 1001 of cuboid structure, and a lateral wall of box body is open structure, and the installation of the diapire 1002 pull formula of box body is equipped with the positioning slot on the diapire of box body on the box body.

In this embodiment, the feeding device comprises a feeding channel 801 in which a feeding belt conveyor 802 is arranged. The discharging device comprises a discharging channel 901, and a discharging belt conveyor 902 is arranged in the discharging channel.

In this embodiment, the empty box buffer mechanism and the full box buffer mechanism are arranged in two rows in the horizontal direction; in one column, the first empty box cache mechanism 401 is located at the top, and the first full box cache mechanism 501 and the second full box cache mechanism 502 are sequentially arranged below the first empty box cache mechanism; in the other column, the third full-box buffer mechanism 503 is disposed at the lowermost side, and the third empty-box buffer mechanism 403 and the second empty-box buffer mechanism 402 are sequentially disposed above the third full-box buffer mechanism;

the full empty box shifting machine is arranged behind the two columns of empty box caching mechanisms and the full box caching mechanism;

the two rows of empty box caching mechanisms and the full box caching mechanisms are used for placing a box loading device 6 and a box unloading device 7 in front of each other, the first full box caching mechanism and the second full box caching mechanism are arranged corresponding to the box unloading device, and the second empty box caching mechanism and the third empty box caching mechanism are arranged corresponding to the box loading device; the boxing device is connected with the connecting conveying channel of the cigarette making machine and the packaging machine through the feeding device, and the box unloading device is connected with the connecting conveying channel of the cigarette making machine and the packaging machine through the discharging device.

In this embodiment, both the empty and full cassette buffer mechanisms include a rack 405 with a belt conveyor 406 disposed therein.

In the present embodiment, the cartoning device includes an empty-box take-out mechanism 61, a full-box lowering mechanism 62, a variable bin mechanism 63, a push plate mechanism 64, and a shutter mechanism 65;

the empty box taking-out mechanism is correspondingly arranged in front of the third empty box caching mechanism, the empty box taking-out mechanism comprises two groups of transmission assemblies arranged in a mirror image mode, each group of transmission assemblies comprises a first push rod 6101, a second push rod 6102, a third push rod 6103 and a fourth push rod 6104, the first push rod is horizontally arranged above the third push rod, two ends of the second push rod are respectively hinged at the rear ends of the first push rod and the third push rod, two ends of the fourth push rod are respectively hinged at the front ends of the first push rod and the third push rod, and the bottom of the fourth push rod extends downwards to form a pushing end 6105;

the hinged part of the second push rod and the third push rod of each transmission assembly is rotatably sleeved on the transmission shaft of the belt conveyor of the third empty box caching mechanism, a plurality of pressure-bearing rods 6106 are horizontally connected between the first push rods of the two transmission assemblies, a fifth push rod 6107 is horizontally connected between the pushing ends of the fourth push rods of the two transmission assemblies, and the end part of the driving rod of the air cylinder 6108 fixed on the support is rotatably fixed on the fifth push rod;

in an initial state, the cylinder drives the pressure bearing rod to move to be arranged in the belt conveyor; when the empty turnover box needs to be taken out, the driving rod of the air cylinder contracts inwards to drive the fourth push rod to rotate, so that the turnover box pressed on the pressure-bearing rod drives the empty turnover box to move upwards and move forwards out of the third empty box caching mechanism;

the full-box descending mechanism comprises a first transplanting mechanism, the first transplanting mechanism is arranged corresponding to the third empty-box caching mechanism, the first transplanting mechanism comprises two vertically-arranged supporting frames 6201, each supporting frame is respectively provided with a driving wheel 6202, a driven wheel 6203 and a chain 6204, the driving wheel and the driven wheel are arranged up and down and are rotatably connected with the supporting frames, the chains are wound on the driving wheel and the driven wheel, lifting plates are fixedly connected onto the driving wheel and the driven wheel, the lifting plates 6205 on the two supporting frames are correspondingly arranged, and the lifting plates move so as to drive the turnover boxes to move up and down;

the variable bin mechanism comprises a bin shell 6301, the top of the bin shell is communicated with a feeding channel, a side baffle 6302, a rodless cylinder 6303 and a moving plate 6304 are arranged in the bin shell, the two vertically arranged side baffles are oppositely fixed in the bin shell, a sliding groove is vertically arranged on each side baffle, a rodless cylinder is fixed on the outer side of each side baffle, the moving plate is horizontally arranged between the two side baffles, a sliding block of each rodless cylinder penetrates through the sliding groove to be fixedly connected with the moving plate, and the rodless cylinder controls the moving plate to move up and down in the bin shell;

the push plate mechanism comprises a first electric push rod 6401 fixed in the bin shell, the first electric push rod is fixedly connected with a push plate box 6402, the bottom of the push plate box is arranged above the moving plate, the first electric push rod is arranged in front of the moving plate, and the first electric push rod pushes the push plate box to move back and forth;

the valve mechanism comprises a second electric push rod 6501 fixed in the bin shell, the second electric push rod is arranged above the push plate mechanism, the second electric push rod is fixedly connected with a valve 6502, and the valve can be fixed at the top of the push plate box body in a back-and-forth movement mode;

the push plate box body and the valve can be pushed between the two side baffles;

the boxing device comprises the following boxing steps: when boxing is needed, the empty turnover box on the third empty box caching mechanism is taken out by the empty box taking-out mechanism and placed on the full box descending mechanism, the push plate mechanism and the valve mechanism push the rod-shaped objects in the variable material warehouse into the empty box after the movable plate of the variable material warehouse mechanism gradually falls from the highest position to the lowest position, the push plate mechanism exits after the rod-shaped objects are pushed into the empty box, the movable plate of the variable material warehouse mechanism quickly moves up from the lowest position to the highest position and then the valve mechanism exits, and the full turnover box descends to the third full tray caching mechanism along with the full box descending mechanism to realize boxing.

In this embodiment, the full empty box shifter includes a lifter 301, a first horizontal slide rail 302 and a first telescopic guide rail 303, the first horizontal slide rail is connected with the lifter and vertically ascends and descends through the lifter, the first telescopic guide rail is installed on the first horizontal slide rail and horizontally moves under the control of the first horizontal slide rail, the end of the first telescopic guide rail is connected with a shifting plate 304, and the shifting plate is used for supporting a turnover box in an empty state or a turnover box in a full-load state.

In the present embodiment, the box discharging device includes a full box taking-out mechanism 71, a full box lifting mechanism 72, a full box empty box gripping mechanism 73, and a turnover box moving bottom plate drawing mechanism 74;

the full box taking-out mechanism is fixed in front of the belt conveyors of the first full box caching mechanism and the second full box caching mechanism, and the structure of the full box taking-out mechanism is the same as that of the empty box taking-out mechanism;

the full-box lifting mechanism comprises a second transplanting mechanism, the second transplanting mechanism is arranged corresponding to the first full-box caching mechanism, the structure of the second transplanting mechanism is the same as that of the first transplanting mechanism, and the second transplanting mechanism and the first transplanting mechanism share one supporting frame;

the full empty box grabbing mechanism comprises a second horizontal sliding rail 7301, a second telescopic guide rail 7302 and a clamping cylinder 7303, the second horizontal sliding rail is fixed in front of the first empty box caching mechanism, the second telescopic guide rail is installed on the lower side of the second horizontal sliding rail and moves horizontally through the second horizontal sliding rail, the clamping cylinder is installed at the end part of the second telescopic guide rail, and the second telescopic guide rail controls vertical lifting;

the turnover box moving bottom plate drawing mechanism comprises a supporting bottom plate 7401 which is horizontally fixed at the rear of a box unloading opening of the discharging channel, a pull plate 7402 is movably arranged on the supporting bottom plate and is driven to move by a third electric push rod 7403, a positioning convex strip 7404 is arranged on the pull plate, and the positioning convex strip can be inserted and fixed in a positioning slot on the bottom wall of the box body;

the box unloading step of the box unloading device is as follows: when needed, the full box taking-out mechanism takes out the turnover box in a full-load state from the first full box caching mechanism or the second full box caching mechanism, the turnover box is placed on the full box lifting mechanism and lifted in place, the full box empty box grabbing mechanism places the turnover box in a full-load state into the box unloading opening, at the moment, the positioning convex strips on the pulling plate of the turnover box moving bottom plate pulling mechanism are inserted into the positioning slots fixed on the bottom wall of the box body, the turnover box moving bottom plate pulling mechanism pulls out the bottom wall of the box body, the rod-shaped objects fall, the box bottom plate is pushed into the box after the rod-shaped objects in the box fall, and the full box empty box shifting mechanism places the turnover box on the first empty box caching mechanism to complete box unloading.

Example two

When the processing amount of the packaging machine is less than the buffer amount of the buffer device, the buffer method of the rod buffer device comprises the following steps:

1) the empty turnover box at the forefront on the third empty box caching mechanism is placed into a box loading device for loading, after the box loading is finished, the full box descending mechanism of the box loading device moves the turnover box filled with the rod-shaped objects downwards to the forefront of the third full box caching mechanism, meanwhile, the belt conveyor of the third empty box caching mechanism drives the empty turnover box on the layer to move forwards, and the belt conveyor of the third full box caching mechanism drives the full turnover box on the layer to move backwards;

2) when the turnover box in the full-load state moves to the last direction along with the belt conveyor of the third full-box caching mechanism, the full-box empty-box shifting machine horizontally moves the turnover box in the full-load state to the second full-box caching mechanism, meanwhile, the belt conveyor of the second full-box caching mechanism drives the turnover box in the full-load state on the layer to move forward until the second full-box caching mechanism is full, and then the turnover box in the full-load state is shifted to the first full-box caching mechanism;

3) unloading the full-load turnover boxes stored on the second full-box cache mechanism according to the first-in first-out principle to a discharging device through a box unloading device, and putting the unloaded empty turnover boxes on a first empty box cache mechanism, and meanwhile moving the empty turnover boxes backwards through a belt conveyor on the first empty box cache mechanism; when the unloading of the turnover boxes in the full-load state on the second full-box cache mechanism is completed, the first full-box cache mechanism is unloaded;

4) when the empty transfer box on the first empty box caching mechanism moves to the rearmost side, or after the empty transfer box on the first empty box caching mechanism is filled, the full-box empty box shifting machine moves the transfer box to a third empty box caching mechanism, and when the third empty box caching mechanism is full, the transfer box is transferred to the second empty box caching mechanism; the turnover boxes on the second empty box cache mechanism can be transferred downwards to a third empty box cache mechanism through a full-box empty box shifter;

5) repeating the steps 1) -4) to realize the cyclic work.

EXAMPLE III

When the processing capacity of the packaging machine is larger than the buffer amount of the buffer device, the buffer method of the rod buffer device comprises the following steps:

1) the empty turnover box at the forefront on the third empty box caching mechanism is placed into a box loading device for loading, after the box loading is finished, the full box descending mechanism of the box loading device moves the turnover box filled with the rod-shaped objects downwards to the forefront of the third full box caching mechanism, meanwhile, the belt conveyor of the third empty box caching mechanism drives the empty turnover box on the layer to move forwards, and the belt conveyor of the third full box caching mechanism drives the full turnover box on the layer to move backwards;

2) when the turnover box in the full-load state moves to the last direction along with the belt conveyor of the third full-box caching mechanism, the full-box empty-box shifting machine horizontally moves the turnover box in the full-load state to the second full-box caching mechanism, and meanwhile, the belt conveyor of the second full-box caching mechanism drives the turnover box in the full-load state on the layer to move forwards;

3) unloading the full-load turnover boxes stored on the second full-box cache mechanism according to the first-in first-out principle to a discharging device through a box unloading device, and putting the unloaded empty turnover boxes on a first empty box cache mechanism, and meanwhile moving the empty turnover boxes backwards through a belt conveyor on the first empty box cache mechanism;

4) when the empty transfer box on the first empty box caching mechanism moves to the rearmost side, or after the empty transfer box on the first empty box caching mechanism is filled, the full-box empty box shifting machine moves the transfer box to a third empty box caching mechanism;

5) repeating the steps 1) -4) to realize the cyclic work.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A rod buffering device for realizing first-in first-out with a turnover box, the buffering device being provided between a cigarette making machine and a packing machine, characterized in that the buffering device comprises:

the full-box empty-box shifting machine comprises a feeding device, a box packing device, a full-box caching mechanism, an empty-box caching mechanism, a full-box empty-box shifting machine, a box discharging device, a discharging device and a turnover box;

the feeding device is used for conveying the rod-shaped objects to the inlet of the boxing device;

the boxing device takes out the empty turnover boxes from the empty box caching mechanism, loads the rod-shaped objects into the empty turnover boxes, and puts the turnover boxes filled with the rod-shaped objects onto a belt conveyor of the full box caching mechanism;

the full-box cache mechanism is used for caching and conveying full-load turnover boxes filled with the rod-shaped objects, and the number of the full-box cache mechanisms is at least three;

the empty box buffer mechanism is used for buffering and conveying empty transfer boxes which are not filled with the rod-shaped objects and are in an empty state, and the number of the empty box buffer mechanisms is at least three;

the full-box and empty-box shifting machine is used for transferring full-load transfer boxes and unloaded empty transfer boxes, transferring the rod-shaped objects in the full-load transfer boxes to a packaging machine according to a first-in first-out sequence, and transferring the empty transfer boxes to an empty-box caching mechanism when needed;

the box unloading device is used for unloading the turnover boxes in a full-load state stored on the full-box cache mechanism according to a first-in first-out principle to the discharging device when needed, and putting the unloaded turnover boxes in an empty state onto the empty-box cache mechanism;

the discharging device is used for conveying the rod-shaped objects discharged by the box discharging device to the channel of the packaging machine.

2. A rod buffering means for realizing first in first out with turnover box as claimed in claim 1, wherein the rod is cigarette.

3. The apparatus as claimed in claim 2, wherein the turnover box comprises a rectangular box body, one side wall of the box body is open, the bottom wall of the box body is installed on the box body in a drawing manner, and the bottom wall of the box body is provided with positioning slots.

4. A stick buffering means for realizing first in first out with a turnover box according to claim 3, wherein the empty box buffering means and the full box buffering means are arranged in two rows in the horizontal direction; in one column, the first empty box cache mechanism is positioned at the top, and the first full box cache mechanism and the second full box cache mechanism are sequentially arranged below the first empty box cache mechanism; in the other row, a third full-box cache mechanism is arranged at the lowest part, a third empty-box cache mechanism is arranged above the third full-box cache mechanism, and a second empty-box cache mechanism is arranged above the third empty-box cache mechanism;

the full empty box shifting machine is arranged behind the two columns of empty box caching mechanisms and the full box caching mechanism;

the two rows of empty box caching mechanisms and the full box caching mechanisms are used for placing a box loading device and a box unloading device in front of each other, the first full box caching mechanism and the second full box caching mechanism are arranged corresponding to the box unloading device, and the second empty box caching mechanism and the third empty box caching mechanism are arranged corresponding to the box loading device; the boxing device is connected with the connecting conveying channel of the cigarette making machine and the packaging machine through the feeding device, and the box unloading device is connected with the connecting conveying channel of the cigarette making machine and the packaging machine through the discharging device.

5. A rod buffering device for realizing first in first out by using turnover boxes as claimed in claim 4, wherein the empty box buffering mechanism and the full box buffering mechanism comprise a frame in which a belt conveyor is provided.

6. The apparatus for buffering rod-shaped articles by using a turnover box to realize first-in first-out as claimed in claim 5, wherein the boxing means comprises an empty box taking-out mechanism, a full box descending mechanism, a variable bin mechanism, a push plate mechanism and a shutter mechanism;

the empty box taking-out mechanism is correspondingly arranged in front of the third empty box caching mechanism and comprises two groups of transmission assemblies arranged in a mirror image mode, each group of transmission assemblies comprises a first push rod, a second push rod, a third push rod and a fourth push rod, the first push rod is horizontally arranged above the third push rod, two ends of the second push rod are respectively hinged to the rear ends of the first push rod and the third push rod, two ends of the fourth push rod are respectively hinged to the front ends of the first push rod and the third push rod, and the bottom of the fourth push rod extends downwards to form a pushing end;

the hinged part of a second push rod and a third push rod of each transmission assembly is rotatably sleeved on a transmission shaft of a belt conveyor of the third empty box caching mechanism, a plurality of pressure-bearing rods are horizontally connected between the first push rods of the two transmission assemblies, a fifth push rod is horizontally connected between pushing ends of fourth push rods of the two transmission assemblies, and the end part of a driving rod of an air cylinder fixed on the support is rotatably fixed on the fifth push rod;

in an initial state, the cylinder drives the pressure bearing rod to move to be arranged in the belt conveyor; when the empty turnover box needs to be taken out, the driving rod of the air cylinder contracts inwards to drive the fourth push rod to rotate, so that the turnover box pressed on the pressure-bearing rod drives the empty turnover box to move upwards and move forwards out of the third empty box caching mechanism;

the full box descending mechanism comprises a first transplanting mechanism, the first transplanting mechanism is arranged corresponding to the third empty box caching mechanism, the first transplanting mechanism comprises two vertically arranged support frames, each support frame is respectively provided with a driving wheel, a driven wheel and a chain, the driving wheel and the driven wheel are arranged up and down and are rotatably connected with the support frames, the chains are wound on the driving wheel and the driven wheel, lifting plates are fixedly connected onto the chains, the lifting plates on the two support frames are correspondingly arranged, and the lifting plates move so as to drive the turnover boxes to move up and down;

the variable storage bin mechanism comprises a storage bin shell, the top of the storage bin shell is communicated with a feeding channel, a side baffle, a rodless cylinder and a moving plate are arranged in the storage bin shell, the two vertically arranged side baffles are oppositely fixed in the storage bin shell, a sliding groove is vertically formed in each side baffle, the rodless cylinder is fixed on the outer side of each side baffle, the moving plate is horizontally arranged between the two side baffles, a sliding block of each rodless cylinder penetrates through the sliding groove to be fixedly connected with the moving plate, and the rodless cylinder controls the moving plate to move up and down in the storage bin shell;

the push plate mechanism comprises a first electric push rod fixed in the bin shell, the first electric push rod is fixedly connected with the push plate box body, the bottom of the push plate box body is arranged above the moving plate, the first electric push rod is arranged in front of the moving plate, and the first electric push rod pushes the push plate box body to move back and forth;

the valve mechanism comprises a second electric push rod fixed in the bin shell, the second electric push rod is arranged above the push plate mechanism and fixedly connected with the valve, and the valve can be fixed at the top of the push plate box body in a back-and-forth movement mode;

the push plate box body and the valve can be pushed between the two side baffles;

the boxing device comprises the following boxing steps: when boxing is needed, the empty turnover box on the third empty box caching mechanism is taken out by the empty box taking-out mechanism and placed on the full box descending mechanism, the push plate mechanism and the valve mechanism push the rod-shaped objects in the variable material warehouse into the empty box after the movable plate of the variable material warehouse mechanism gradually falls from the highest position to the lowest position, the push plate mechanism exits after the rod-shaped objects are pushed into the empty box, the movable plate of the variable material warehouse mechanism quickly moves up from the lowest position to the highest position and then the valve mechanism exits, and the full turnover box descends to the third full tray caching mechanism along with the full box descending mechanism to realize boxing.

7. The apparatus for buffering rod-shaped articles to be fed to a first in and first out in a turnover box according to claim 6, wherein the full box empty box shifter comprises a lifter, a first horizontal rail connected to the lifter and vertically lifted by the lifter, and a first telescopic rail mounted on the first horizontal rail and horizontally moved by the first horizontal rail, a shifting plate connected to an end of the first telescopic rail, and a pneumatic jaw provided on the shifting plate and holding the turnover box.

8. The apparatus for buffering rod-shaped articles to be fed first in and first out by using a transfer case according to claim 7, wherein the case unloading means comprises a full case taking-out mechanism, a full case lifting mechanism, a full case empty case grasping mechanism, and a transfer case moving bottom plate drawing mechanism;

the full box taking-out mechanism is fixed in front of the belt conveyors of the first full box caching mechanism and the second full box caching mechanism, and the structure of the full box taking-out mechanism is the same as that of the empty box taking-out mechanism;

the full-box lifting mechanism comprises a second transplanting mechanism, the second transplanting mechanism is arranged corresponding to the first full-box caching mechanism, the structure of the second transplanting mechanism is the same as that of the first transplanting mechanism, and the second transplanting mechanism and the first transplanting mechanism share one supporting frame;

the full-box empty-box grabbing mechanism comprises a second horizontal slide rail, a second telescopic guide rail and a clamping cylinder, the second horizontal slide rail is fixed in front of the first empty-box caching mechanism, the second telescopic guide rail is mounted on the lower side of the second horizontal slide rail and moves horizontally through the second horizontal slide rail, the clamping cylinder is mounted at the end part of the second telescopic guide rail, and the second telescopic guide rail controls vertical lifting;

the turnover box moving bottom plate drawing mechanism comprises a supporting bottom plate, the supporting bottom plate is horizontally fixed behind a box unloading opening of the discharging channel, a pull plate is movably arranged on the supporting bottom plate and is driven to move by a third electric push rod, and positioning convex strips are arranged on the pull plate and can be fixedly inserted into positioning slots in the bottom wall of the box body;

the box unloading step of the box unloading device is as follows: when needed, the full box taking-out mechanism takes out the turnover box in a full-load state from the first full box caching mechanism or the second full box caching mechanism, the turnover box is placed on the full box lifting mechanism and lifted in place, the full box empty box grabbing mechanism places the turnover box in a full-load state into the box unloading opening, at the moment, the positioning convex strips on the pulling plate of the turnover box moving bottom plate pulling mechanism are inserted into the positioning slots fixed on the bottom wall of the box body, the turnover box moving bottom plate pulling mechanism pulls out the bottom wall of the box body, the rod-shaped objects fall, the box bottom plate is pushed into the box after the rod-shaped objects in the box fall, and the full box empty box shifting mechanism places the turnover box on the first empty box caching mechanism to complete box unloading.

9. A method for buffering a stick buffer device by using a turnover box to realize first-in first-out, which is characterized by comprising the following steps:

1) placing the transfer box in the empty state at the forefront on the third empty box caching mechanism into a box loading device for loading, after the box loading is finished, moving the transfer box filled with the rod-shaped objects downwards to the forefront of the third full box caching mechanism, and meanwhile, driving the transfer box in the empty state on the layer to move forwards by a belt conveyor of the third empty box caching mechanism, and driving the transfer box in the full state on the layer to move backwards by a belt conveyor of the third full box caching mechanism;

2) when the transfer box in the full-load state moves to the last side along with the belt conveyor of the third full-box caching mechanism, the full-box empty-box shifting machine horizontally moves the transfer box in the full-load state to the first full-box caching mechanism and/or the second full-box caching mechanism; meanwhile, the belt conveyors of the first full-box caching mechanism and the second full-box caching mechanism respectively drive the turnover boxes in a full-load state on the layer to move forwards;

3) when the full-load turnover box on the first full-box cache mechanism or the second full-box cache mechanism moves to the forefront, unloading the full-load turnover box stored on the first full-box cache mechanism or the second full-box cache mechanism according to a first-in first-out principle to a discharging device through a box unloading device, and placing the unloaded empty turnover box on the first empty-box cache mechanism, and meanwhile, moving the empty turnover box backwards through a belt conveyor on the first empty-box cache mechanism;

4) when the empty transfer box on the first empty box caching mechanism moves to the rearmost side, or after the empty transfer box on the first empty box caching mechanism is filled, the full-box empty box shifting machine moves the transfer box to a third empty box caching mechanism and/or a second empty box caching mechanism;

5) repeating the steps 1) -4) to realize the cyclic work.

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