CN111907746B

CN111907746B - Double-bag horizontal vacuum packaging machine

Info

Publication number: CN111907746B
Application number: CN202010893722.XA
Authority: CN
Inventors: 杨克余
Original assignee: Wenzhou Kaixiang Packaging Machinery Co ltd
Current assignee: Wenzhou Kaixiang Packaging Machinery Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-10-08
Anticipated expiration: 2040-08-31
Also published as: CN111907746A

Abstract

The invention relates to a double-bag horizontal vacuum packaging machine, which comprises a main frame and a horizontal transmission device for longitudinally transmitting packaging bags, wherein the main frame is longitudinally and sequentially provided with a bag feeding device, a code spraying device, a bag opening device, a detection device and a feeding device, overspeed device tensioner and vacuum closing device, vacuum closing device includes vertical transition mechanism, horizontal transfer mechanism, vertical distribution mechanism, vacuum seal chamber and ejection of compact transmission device, the vacuum seal chamber is horizontal two rows of arrangements and each row includes the vacuum seal chamber of a plurality of vertical arrangements, vertical transition mechanism is with wrapping bag along vertical transmission to horizontal transfer mechanism, horizontal transfer mechanism distributes the wrapping bag interval to the vacuum seal chamber of different rows, vertical distribution mechanism distributes to the vacuum seal chamber of same row according to the order, the vacuum seal chamber loosens the wrapping bag after sealing the wrapping bag vacuum and makes it fall into ejection of compact transmission device. By adopting the scheme, the invention provides the double-bag horizontal vacuum packaging machine which greatly improves the processing efficiency.

Description

Double-bag horizontal vacuum packaging machine

Technical Field

The invention relates to the field of packaging equipment, in particular to a double-bag horizontal vacuum packaging machine.

Background

The packaging equipment is equipment capable of completing all or part of the product and commodity packaging process. The packaging process comprises the main processes of filling, wrapping, sealing and the like, and the related front and back processes of cleaning, stacking, disassembling and the like. In addition, packaging may include metering or stamping the package. The product is packaged by a machine, so that the production efficiency can be improved, the labor intensity is reduced, the requirement of large-scale production is met, and the requirements of cleanness and sanitation are met. And the horizontal vacuum packaging machine is a packaging device which is transported in a horizontal mode and sealed after vacuumizing.

Traditional horizontal vacuum packaging machine packs one by one, and the evacuation seals the station and need consume for a certain time long, and other stations can only wait for the evacuation to seal just can continue the transmission wrapping bag after the station is accomplished, lead to equipment machining efficiency low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a double-bag horizontal vacuum packaging machine which greatly improves the processing efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: horizontal transmission device including main frame and vertical transmission wrapping bag, the main frame along vertically set gradually with the wrapping bag arrange horizontal transmission device's last bagging apparatus in, spout the sign indicating number device of sign indicating number, open the bagging apparatus of bag, detect whether the detection device of bag is opened to the wrapping bag, add the feeding device of two wrapping bags with the material simultaneously, with the tensioning device of wrapping bag sack tensioning and carry out the vacuum closing device that the vacuum sealed, its characterized in that with the wrapping bag: the vacuum sealing device comprises a longitudinal transition mechanism, a transverse transfer mechanism, a longitudinal distribution mechanism, a vacuum sealing chamber and a discharge transmission mechanism, wherein the vacuum sealing chambers are arranged in two transverse rows, each row of the vacuum sealing chambers comprise a plurality of longitudinal arrangements, the packaging bags transmitted by the horizontal transmission device are longitudinally transmitted to the transverse transfer mechanism by the longitudinal transition mechanism, the packaging bags are distributed to the vacuum sealing chambers in different rows at intervals by the transverse transfer mechanism, the longitudinal distribution mechanism is respectively arranged corresponding to the vacuum sealing chambers in different rows and distributes the packaging bags to the vacuum sealing chambers in the same row in sequence, and the vacuum sealing chambers are used for loosening the packaging bags after the packaging bags are vacuum sealed so as to enable the packaging bags to fall into the discharge transmission mechanism and are transmitted to a finished product collection position by the discharge transmission mechanism.

Through adopting above-mentioned technical scheme, utilize the vacuum to seal the required time difference of room single vacuum seal, arrange two rows of a plurality of vacuum seal rooms, seal required time difference make full use of once to avoid waiting for the time that the end of a vacuum seal room is extravagant, thereby improve packing efficiency greatly, the arrangement of two rows of vacuum seal rooms can effectively shorten the length of time that the transfer wrapping bag consumed.

The invention is further configured to: the transverse transfer mechanism comprises a transfer track, a first middle rotary seat, a second middle rotary seat and a transfer driving assembly, the transfer track is transversely arranged, the first middle rotary seat and the second middle rotary seat synchronously reciprocate along the transfer track under the driving of the transfer driving assembly, the first middle rotary seat is opposite to the first row of vacuum sealing chambers and receives the packaging bags transmitted by the longitudinal transition mechanism when the packaging bags are transmitted by the longitudinal distribution mechanism, and the second middle rotary seat is opposite to the longitudinal transition mechanism and receives the packaging bags transmitted by the longitudinal transition mechanism; when the first middle rotary seat is opposite to the longitudinal transition mechanism and receives the packaging bags transmitted by the longitudinal transition mechanism, the second middle rotary seat is opposite to the second row of vacuum sealing chambers and transmits the packaging bags by the longitudinal distribution mechanism.

Through adopting above-mentioned technical scheme, the synchronous action of single transfer drive assembly drive first well swivel mount and second transfer mount simultaneously simplifies the drive structure to the second is to the ejection of compact of vacuum seal chamber when the swivel mount connects the material from horizontal transmission device in first, and the swivel mount is followed first transfer mount and is to the ejection of compact of vacuum seal chamber when horizontal transmission device connects the material in the second, and the rational utilization time difference realizes the ejection of compact and accomplishes when connecing the material, improves vacuum seal efficiency greatly.

The invention is further configured to: the discharging transmission mechanism comprises a discharging rack, a motor and a transmission belt, the discharging rack is provided with an installation platform for installing a vacuum sealing chamber, the transmission belt is positioned below the installation platform, the installation platform and the transmission belt are correspondingly provided with a blanking port for a packaging bag to fall into the transmission belt, the discharging transmission mechanism also comprises a transmission belt installation rack, a positioning mechanism and a locking mechanism, the transmission belt installation rack is respectively positioned at two sides of the transmission belt, a transmission shaft for installing the transmission belt is respectively and rotatably arranged between the transmission belt installation rack at the front end and the rear end between the transmission belt installation rack at two sides, the discharging rack is provided with a supporting platform below the blanking port, the supporting platform is positioned at the side of the discharging rack and is provided with a dismounting port for pushing the front end of the transmission belt installation rack into the supporting platform, the positioning mechanism aligns the transmission belt installation rack after the transmission belt installation rack is pushed into place on the supporting platform, locking mechanical system locks transmission band mounting bracket position, the motor install in ejection of compact frame and drive and be provided with drive gear, be located transmission band mounting bracket front end the transmission axle extend to the transmission band mounting bracket outside and install synchronous pivoted driven gear, drive gear push supporting platform and mesh with driven gear after targetting in place at the transmission band mounting bracket.

Through adopting above-mentioned technical scheme, change traditional transmission band drive mode, the motor that will regard as the driving source sets up in the main frame, and through driven gear and drive gear's meshing transmission, transmission is epaxial to the transmission of transmission band mounting bracket, thereby realize the circulation of transmission band and rotate, avoid the inconvenience that circuit cut-off and reconnection brought, add supporting platform, the mode dismouting transmission band mounting bracket of taking the push-and-pull, it is more convenient to make the dismouting, cooperation positioning mechanism and locking mechanical system, make driven gear and drive gear accurate meshing on the one hand, on the other hand guarantees the installation stability of transmission band, make device steady operation.

The invention is further configured to: positioning mechanism including location strip and positioning groove, the location strip be fixed in between the transmission band mounting bracket front end of both sides, the location strip be provided with the cross-section and be trapezoidal form and the location arch towards the place ahead, positioning groove set up in supporting platform, positioning groove protruding towards the location and with the protruding shape looks adaptation in location, protruding and positioning groove in location constitute transmission band mounting bracket front end and supporting platform's location cooperation when offsetting, protruding below in location offset with supporting platform, positioning groove top be provided with and press the bellied clamp plate in location.

Through adopting above-mentioned technical scheme, the cross-section is trapezoidal shape's location arch, and the face that trapezoidal hypotenuse formed has left right direction's correction function in the location, but a small amount of deviations automatic alignment guarantees drive gear and driven gear's meshing transmission when guaranteeing that the transmission band can accurately install target in place to guarantee the steady operation of equipment, in addition, supporting platform and clamp plate cooperation realize the vertical counterpoint of transmission band, further improve the accuracy of counterpointing.

The invention is further configured to: locking mechanical system include locking bolt, locking strip and locking hole, the locking strip be fixed in the main frame and be located the rear end below of each transmission band mounting bracket respectively, the locking strip be provided with the bar locking groove along the front and back, the bar locking groove extend to locking strip tip locking mouth, the locking hole set up in the rear end below of each transmission band mounting bracket, locking bolt screw in locking hole and along the bar locking groove remove to constitute the guide that the transmission band mounting bracket pushed supporting platform to push the assigned position at the transmission band mounting bracket after locking in the locking strip.

Through adopting above-mentioned technical scheme, the front end of transmission band mounting bracket is realized fixing a position by positioning mechanism, and the cooperation is located the locking mechanical system of rear end, realizes the complete locking of transmission band mounting bracket, has open-ended bar locking groove, can be earlier with locking bolt screw in locking hole before the installation, by locking bolt from the locking mouth slip in bar locking groove, automatic direction in the installation improves installation accuracy and convenience.

The invention is further configured to: open bagging apparatus including setting up in sucking disc, sucking disc deciliter mechanism, depression bar group, depression bar extrusion mechanism and the depression bar deciliter mechanism of main frame, the quantity of sucking disc be two and be located the middle part that the wrapping bag opening opened and shut both sides respectively, two the sucking disc be close to or keep away from under the drive of sucking disc deciliter mechanism, depression bar group quantity be two sets of and be located two corners of wrapping bag opening respectively, each depression bar group's depression bar quantity be two and be located the lateral part that the wrapping bag opening opened and shut both sides respectively, depression bar deciliter mechanism include deciliter seat and deciliter drive assembly, deciliter seat's quantity be two and be located the wrapping bag opening both sides that open and shut respectively, deciliter drive assembly drive two deciliter seats be close to or keep away from, two sets of depression bars of depression bar extrusion mechanism drive be close to or keep away from, depression bar extrusion mechanism include extrusion driving source, The transmission rod is matched with the main frame in a rotating way and extrudes the driving source to drive the main frame to rotate forward and backward, the number of the linkage seats is two and the two linkage seats are respectively arranged on the split seat, the transmission arm is arranged on the transmission rod and corresponds to the position of the linkage seat, the linkage seat is rotatably provided with a transmission shaft, the transmission shaft is provided with a synchronous rotating transmission disc and a transmission gear, the driving disc is eccentrically provided with a deflector rod which drives the transmission shaft to rotate positively and negatively under the stirring of the driving arm, the first extrusion rod and the second extrusion rod slide on the combining and combining seat along the direction that the two groups of pressure rods are close to or far away from each other, the first extrusion rod and the second extrusion rod are respectively used for installing compression rods positioned in different groups, and the first extrusion rod and the second extrusion rod are respectively positioned on two sides of the transmission gear and are partially racks meshed with the transmission gear.

Through adopting above-mentioned technical scheme, two sets of pressure bars are organized to the central extrusion of wrapping bag, and the extrusion at two corners is more even, and the cooperation sucking disc makes bag-opening success rate greatly increased, and simultaneously, the motion of first extrusion stalk of extrusion driving source as single driving source reverse drive and second extrusion stalk simultaneously, avoids two driving sources to make the structure bloated to make equipment more retrencient.

The invention is further configured to: the driving arm and the shifting lever are correspondingly provided with a U-shaped shifting block, the shifting lever extends into the U-shaped shifting block and is rotatably provided with a linkage block with the shape of the inner section of the U-shaped shifting block matched with the shape of the inner section of the U-shaped shifting block, and the linkage block can move along the moving direction of the separation and combination seat in the U-shaped shifting block.

Through adopting above-mentioned technical scheme, the U-shaped shifting block can not hinder the seat that closes of separating and remove when stirring the driving disc rotation through the linkage piece, guarantees that the rotary driving power of extrusion driving source stably turns into the removal drive power and the removal of extrusion pole smooth and easy.

The invention is further configured to: the feeding device comprises a measuring cup, the measuring cup is a cylindrical component, the main frame is provided with a feeding platform, the local part of the feeding platform extends to the upper part of the horizontal transmission device from the front part of the main frame, the feeding platform is provided with a plurality of measuring cup tracks, a circulating mechanism, a pressing mechanism and a material disc, the number of the measuring cup tracks is two, the measuring cup tracks are symmetrically arranged at two sides of the feeding platform, the number of the measuring cups is a plurality, the measuring cups are sequentially arranged on the measuring cup tracks, the circulating mechanism drives the measuring cups to circularly move along the measuring cup tracks, the part of the feeding platform, which is positioned outside the main frame, is provided with two feeding ports, the two feeding ports are respectively positioned below one of the measuring cups of each measuring cup track, the pressing mechanism presses the material in the measuring cup corresponding to the feeding ports, the left side and the right side of the main frame are respectively used as two manual operation positions for placing the material to the measuring cup by operators, the material tray is positioned above the two measuring cup rails and extends to a position close to the manual operation position.

By adopting the technical scheme, two measuring cup tracks for the measuring cup tracks to circularly move are arranged on the same main frame, so that the feeding structure is more compact, the space on two sides of the main frame is reasonably utilized as two operators to place materials to the manual operation positions of the measuring cups, the rapid manual supplement of the materials is realized, the equipment cost and the feeding efficiency are ensured, meanwhile, the circulating mechanism drives the measuring cups to circularly move along the measuring cup tracks, the automatic switching of the measuring cup positions is realized, the pressing mechanism presses the materials in the measuring cups corresponding to the feeding ports to the outside of the feeding ports, the feeding action after the measuring cups reach the designated positions is realized, then, part of the feeding platform extends to the outside of the main frame from the front part of the main frame, so that the device can be adapted to various packing machines as an independent module, in addition, a material disc is fixed above the measuring cup tracks, and the space above the measuring cup tracks is reasonably utilized, so that the structure is more compact, the measuring cup is convenient for operators to take and place nearby, and the operation is more labor-saving.

The invention is further configured to: the material disc extends to the outside of the main frame from the left side and the right side of the main frame respectively to form operation corners surrounding operators, and the plurality of measuring cups are positioned at the operation corners.

Through adopting above-mentioned technical scheme, extend the material tray, on the one hand, increase material tray area, increase the material volume of single feed supplement promptly, reduce the feed supplement number of times, on the other hand, the material tray forms the operation corner around operating personnel, and make a plurality of graduated flasks be located the operation corner, the material that makes can touch around the operating personnel and graduated flask are more, further shorten the interval of material and graduated flask, make operating personnel's operation more laborsaving, can all pack into the material in each graduated flask that will pass through fast.

The invention is further configured to: be located same graduated flask orbital adjacent the graduated flask offset, each the graduated flask encircle and be provided with the circulation annular, circulation mechanism include with reinforced platform normal running fit's circulation profile of tooth dish and the rotatory rotary assembly of drive circulation profile of tooth dish, circulation profile of tooth dish be located each graduated flask track ring corner respectively, circulation profile of tooth dish periphery equidistance be provided with the circulation arch, the circulation arch stretch into the circulation annular between the adjacent graduated flask, constitute the linkage cooperation of graduated flask and circulation profile of tooth dish.

Through adopting above-mentioned technical scheme, insert the circulation annular between the adjacent graduated flask by the circulation arch, succeed and stir each graduated flask and move along graduated flask track, make the stirring action more accurate, lie in graduated flask track annular corner with the tooth-shaped dish that circulates, make single circulation tooth-shaped dish can drive a plurality of graduated flasks and remove, improve drive stability, all be the counterbalance cooperation between the adjacent graduated flasks, make other graduated flasks that do not lie in graduated flask track annular corner can remove under other graduated flasks promote, guarantee the smooth and easy implementation of circulation mechanism.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a top view of a vacuum sealing apparatus according to an embodiment of the present invention;

FIG. 3 is a top perspective view of an outfeed transport mechanism according to an embodiment of the present invention;

FIG. 4 is a bottom perspective view of an outfeed transport mechanism in an embodiment of the present invention;

FIG. 5 is an enlarged view of A in FIG. 4;

FIG. 6 is a perspective view of a support platform according to an embodiment of the present invention;

FIG. 7 is an enlarged view of B in FIG. 6;

FIG. 8 is a perspective view of a portion of a frame and a conveyor mounting frame in accordance with an embodiment of the present invention;

FIG. 9 is an enlarged view of C in FIG. 8;

FIG. 10 is an enlarged view of D in FIG. 8;

FIG. 11 is a perspective view of a conveyor belt mounting frame with the conveyor belt removed in accordance with an embodiment of the present invention;

FIG. 12 is a perspective view of a bag opener according to an embodiment of the present invention;

FIG. 13 is a perspective view of a compression ram compression mechanism in accordance with an embodiment of the present invention;

FIG. 14 is an internal structural view of a linkage base according to an embodiment of the present invention;

FIG. 15 is a perspective view of a suction cup engaging and disengaging mechanism in accordance with an embodiment of the present invention;

FIG. 16 is a perspective view of an air-blowing unit according to an embodiment of the present invention;

FIG. 17 is a top perspective view of a loading unit according to an embodiment of the present invention;

FIG. 18 is a bottom perspective view of the feeding device in accordance with the preferred embodiment of the present invention;

FIG. 19 is an enlarged view of E in FIG. 17;

FIG. 20 is a perspective view of an endless mechanism in accordance with an embodiment of the present invention;

FIG. 21 is an enlarged view of F in FIG. 17;

FIG. 22 is a perspective view of a hold down mechanism in accordance with an embodiment of the present invention;

FIG. 23 is a perspective view of a compaction mechanism according to an embodiment of the invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in figures 1-23, the invention discloses a double-bag horizontal vacuum packaging machine, which comprises a main frame 1 and a horizontal transmission device 2 for longitudinally transmitting packaging bags, wherein the main frame 1 is longitudinally and sequentially provided with a bag feeding device 3 for placing the packaging bags on the horizontal transmission device 2, a code spraying device 4 for spraying codes on the packaging bags, a bag opening device 5 for simultaneously opening two packaging bags, a detection device 6 for detecting whether the packaging bags are opened, a feeding device 7 for simultaneously feeding materials into the two packaging bags, a tensioning device 9 for tensioning the mouths of the packaging bags and a vacuum sealing device 8 for vacuum sealing the packaging bags, the structure of the feeding device 7 is known through subsequent figures, the number 7 indicates the position of the feeding device matched with the horizontal transmission device 2, and the vacuum sealing device 8 comprises a longitudinal transition mechanism 81 and a transverse transition mechanism 82, The packaging bags are conveyed to the vacuum sealing chambers 84 in different rows at intervals by the transverse transfer mechanism 82, the longitudinal distribution mechanisms 83 are respectively arranged corresponding to the vacuum sealing chambers 84 in different rows and distribute the packaging bags to the vacuum sealing chambers 84 in the same row in sequence, the vacuum sealing chambers 84 loosen the packaging bags after the packaging bags are vacuum sealed and then fall into the discharging and conveying mechanism 85, the packaging bags are conveyed to a finished product collecting position by the discharging and conveying mechanism 85, the two rows of the vacuum sealing chambers 84 are arranged by utilizing the time difference required by single vacuum sealing of the vacuum sealing chambers 84, and the time difference required by single sealing is fully utilized, thereby avoid waiting for the time that the end of individual vacuum seal chamber 84 vacuum seal was wasted, thereby improve packing efficiency greatly, the range mode of two rows of vacuum seal chambers 84 can effectively shorten the length of time that the transfer wrapping bag consumed, in addition, go up bagging apparatus 3, spout a yard device 4, detection device 6, overspeed device tensioner 9 is current structure, vertical transition mechanism 81, horizontal transfer mechanism 82, vertical distribution mechanism 83 has the clamping jaw for having the rectilinear movement function, for current structure, do not detail, do not influence the structure understanding, generally at clamping jaw bottom installation cylinder, linear electric motor, pneumatic cylinder etc..

The transverse transfer mechanism 82 comprises a transfer rail 821, a first middle rotating seat 822, a second middle rotating seat 823 and a transfer driving assembly, wherein the transfer rail 821 is arranged in the transverse direction, the first middle rotating seat 822 and the second middle rotating seat 823 synchronously reciprocate along the transfer rail 821 under the driving of the transfer driving assembly, when the first middle rotating seat 822 is opposite to the first row of vacuum sealing chambers 84 and packages are transferred by the longitudinal distribution mechanism 83, the second middle rotating seat 823 is opposite to the longitudinal transition mechanism 81 and receives the packages transferred by the longitudinal transition mechanism 81; when the first middle rotary seat 822 is opposite to the longitudinal transition mechanism 81 and receives the packaging bag transmitted by the longitudinal transition mechanism 81, the second middle rotary seat 823 is opposite to the second row of vacuum sealing chambers 84 and is used for transmitting the packaging bags by the longitudinal distribution mechanism 83, the single middle rotary drive component simultaneously drives the first middle rotary seat 822 and the second middle rotary seat 823 to synchronously act, the drive structure is simplified, when the first middle rotary seat 822 receives the material from the horizontal transmission device 2, the second middle rotary seat 823 discharges the material to the vacuum sealing chamber 84, when the second middle rotary seat 823 receives the material from the horizontal transmission device 2, the first middle rotary seat 822 discharges the material to the vacuum sealing chamber 84, the time difference is reasonably utilized to realize the simultaneous completion of the material discharging and the material receiving, the vacuum sealing efficiency is greatly improved, the middle driving component is the existing driving mode with the linear driving function, for example, the combination of a servo motor, a screw rod and a screw rod seat, wherein the servo motor drives the screw rod to move, and the screw rod seat provided with a first middle rotating seat 822 and a second middle rotating seat 823 is driven by the screw rod to linearly reciprocate.

The discharging transmission mechanism 85 comprises a discharging machine frame 851, a motor 852 and a transmission belt 853, the discharging machine frame 851 is provided with an installation platform 8511 for installing a vacuum sealing chamber, the transmission belt 853 is positioned below the installation platform 8511, the installation platform 8511 is provided with a discharging port 8512 corresponding to the transmission belt 853 for a packaging bag to fall into the transmission belt 3, the discharging machine further comprises a transmission belt installation frame 853, a positioning mechanism 855 and a locking mechanism 856, the transmission belt installation frames 854 are respectively positioned at two sides of the transmission belt 853, a transmission shaft 8541 for installing the transmission belt 853 is respectively arranged between the transmission belt installation frames 854 at the two sides at the front end and the rear end in a rotating manner, the discharging machine frame 851 is provided with a support platform 8513 below the discharging port 8512, the support platform 8513 is positioned at the side surface of the discharging machine frame 851 and is provided with a dismounting port 85131 for pushing the front end of the transmission belt 854 into the support platform 8513, the positioning mechanism aligns the transmission belt 853 after the transmission belt 853 is pushed into the support platform 8513, the locking mechanism 856 locks the position of the conveyor belt mounting rack 853, a positioning mechanism 855 which is aligned after the conveyor belt mounting rack 854 is pushed into a designated position and the locking mechanism 856 which locks the conveyor belt mounting rack 854 into the designated position are arranged between the supporting platform 8513 and the conveyor belt mounting rack 854, the motor 852 is arranged on the discharging rack 851 and is provided with a driving gear 8521 in a driving manner, a transmission shaft 8541 positioned at the front end of the conveyor belt mounting rack 854 extends out of the conveyor belt mounting rack 854 and is provided with a driven gear 85411 which rotates synchronously, the driving gear 8521 is meshed with the driven gear 85411 after the conveyor belt mounting rack 854 is pushed into the supporting platform 8513 in place, the traditional driving manner of the conveyor belt 853 is changed, the motor 852 serving as a driving source is arranged on the discharging rack 851 and is transmitted to the transmission shaft 8541 of the conveyor belt mounting rack 854 through the meshing transmission of the driven gear 85411 and the driving gear 8521, and accordingly the circulating rotation of the conveyor belt 853 is realized, avoid cutting off the inconvenience that circuit and reconnection brought, add supporting platform 8513, take the mode dismouting transmission band mounting bracket 854 of push-and-pull, make the dismouting more convenient, cooperation positioning mechanism 855 and locking mechanical system 856 make driven gear 85411 and drive gear 8521 accurate meshing on the one hand, and on the other hand guarantees transmission band 853's installation stability, makes device steady operation.

The positioning mechanism 855 comprises a positioning strip 8551 and a positioning groove 8552, the positioning strip 8551 is fixed between the front ends of the two sides of the transmission belt mounting frames 854, the positioning strip 8551 is provided with a positioning protrusion 85511 with a trapezoidal section and facing to the front, the positioning groove 8552 is arranged on the supporting platform 8513, the positioning groove 8552 faces to the positioning protrusion 85511 and is matched with the positioning protrusion 85511 in shape, the positioning protrusion 85511 abuts against the positioning groove 8552 to form positioning fit between the front end of the transmission belt mounting frame 854 and the supporting platform 8513, the lower part of the positioning protrusion 85511 abuts against the supporting platform 8513, a pressing plate 85521 for pressing the positioning protrusion 85511 is arranged above the positioning groove 8552, the positioning protrusion 85511 with a trapezoidal section has a correcting function in the left-right direction while positioning, a small amount of deviation can automatically correct positioning, the transmission belt 3 can be accurately mounted in place, and the meshing transmission of the driving gear 8521 and the driven gear 85411 is guaranteed, thereby guarantee the steady operation of equipment, in addition, supporting platform 8513 and the cooperation of clamp plate 85521 realize the vertical counterpoint of transmission band 853, further improve the accuracy nature of counterpointing.

The locking mechanism 856 comprises a locking bolt 8561, a locking strip 8562 and a locking hole 8563, the locking strip 8562 is fixed on the discharging rack 851 and respectively located below the rear ends of the belt mounting brackets 854, the locking strip 8562 is provided with strip-shaped locking grooves 85621 along the front and rear directions, the strip-shaped locking grooves 85621 extend to the end-shaped locking holes 85622 of the locking strip 8562, the locking hole 8563 is located below the rear ends of the belt mounting brackets 854, the locking bolt 8561 is screwed into the locking hole 8563 and moves along the strip-shaped locking grooves 85621 to form a guide for pushing the belt mounting brackets 854 into the supporting platform 8513, and is locked to the locking strip 8562 after the belt mounting brackets 854 are pushed into a specified position, the front end of the belt mounting bracket 854 is positioned by a positioning mechanism, the locking mechanism 856 located at the rear end is matched to achieve complete locking of the belt mounting brackets 854, the strip-shaped locking grooves 85621 with openings can be firstly screwed into the locking bolt 8563 before installation, the locking bolt 8561 slides into the strip-shaped locking groove 85621 from the locking opening 85622, so that the installation process is automatically guided, and the installation accuracy and convenience are improved.

Each transmission band mounting bracket 854 corresponds transmission shaft 8541 that is located transmission band mounting bracket rear end and is provided with the seat 8542 that rotates with transmission shaft 8541 normal running fit, transmission band mounting bracket 854 is provided with bar adjustment tank 8543 along the fore-and-aft direction, bar adjustment tank 8543 wears to be equipped with and is fixed in the adjusting bolt 8544 who rotates seat 8542, adjust two intervals that rotate seat 8542 by adjusting bolt 8544 cooperation bar adjustment tank 8543, adjust the tight degree that rises of transmission band 853 promptly, can adjust the tight degree that rises after the installation is accomplished, improve the installation convenience, still can use to carry out the tight compensation that rises after a period of time, guarantee transmission function's steady operation.

Each transmission band mounting bracket 854 is provided with side shield 8546 respectively, side shield 8546 includes fixed part 85461 and perpendicular to fixed part 85461 and the stop part 85462 that is located the transmission band side fixed part mutually with the laminating of transmission band mounting bracket 854 up end, add side shield 8546, guarantee that the wrapping bag by the transmission band can not fall out from the transmission band side, guarantee the stability of transmission, and simultaneously, side shield 8546's fixed part 85461 and the laminating of transmission band mounting bracket 854 up end are fixed mutually, the reliability of fixing is guaranteed to sufficient fixed area.

The conveying belt 853 is a toothed belt, the conveying shaft 8541 is provided with a transmission gear 85412 meshed with the toothed belt, and the toothed belt is in transmission fit with the transmission gear 85412, so that the circulation rate of the conveying belt 853 is more accurate, and the conveying is more stable.

Transmission band mounting bracket 854 and supporting platform 8513 part extend to outside ejection of

compact frame

851, 8545 in the drawing promptly, on the one hand, guarantee that the wrapping bag can be exported outside ejection of compact frame 851 completely, and on the other hand, the application of force part of operating personnel when the dismouting can be regarded as to the part that transmission band mounting bracket 854 is located ejection of compact frame 851, is convenient for insert or extract transmission band mounting bracket 854, improves the dismouting convenience.

The bag opening device 5 comprises two suckers 52 arranged on the main frame 1, a sucker opening and closing mechanism 55, two pressure rod groups 53, a pressure rod extruding mechanism 56 and a pressure rod opening and closing mechanism 57, the suckers 52 are respectively positioned in the middle of two sides of an opening and closing of a packaging bag, the two suckers 52 are driven by the sucker opening and closing mechanism 55 to be close to or far away from each other, the pressure rod groups are two and are respectively positioned at two corners of the opening and closing of the packaging bag, the pressure rods 531 of each pressure rod group 53 are two and are respectively positioned at the side parts of two sides of the opening and closing of the packaging bag, the pressure rod opening and closing mechanism 57 comprises two opening and closing seats 532 and opening and closing driving components, the two opening and closing seats 532 are driven by the opening and closing driving components to be close to or far away from each other, the two groups of pressure rods 531 are driven by the pressure rod extruding mechanism 56 to be close to or far away from each other, the pressure rod extruding mechanism 56 comprises an extruding driving source, 533, a pressure rod extruding mechanism 56, The driving rod 533 is matched with the main frame 1 in a rotating manner and is driven to rotate forward and backward by a driving source, the number of the linkage bases 534 is two, the linkage bases 534 are respectively arranged on the combining bases 532, the driving rod 535 is arranged on the driving rod 533 and corresponds to the position of the linkage base 534, the linkage base 534 is rotatably provided with a driving shaft 5341, the driving shaft 5341 is provided with a synchronous rotating driving disc 5342 and a driving gear 5343, the driving disc 5342 is eccentrically provided with a shifting rod 5344, the shifting rod 5344 drives the driving shaft 5341 to rotate forward and backward by shifting the driving arm 535, the first pressing rod 536 and the second pressing rod 537 slide on the combining bases 532 along the approaching direction or departing direction of the two groups of pressing rods 531, the first pressing rod 536 and the second pressing rod 537 are respectively used for installing the pressing rods 531 in different groups, the first pressing rod 536 and the second pressing rod 537 are respectively arranged at two sides of the driving gear 5343 and are partially provided with racks 5361 engaged with the driving gear 5343, the two groups of pressure rod groups 53 extrude towards the center of the packaging bag, the extrusion at two corners is more uniform, the bag opening success rate is greatly increased by matching with the sucking discs 52, meanwhile, the extrusion driving sources can be used as a single driving source to simultaneously reversely drive the first extrusion rod 536 and the second extrusion rod 537 to move, the two driving sources are prevented from being overstaffed in structure, the equipment is further simplified, and the extrusion driving sources are uniformly provided by packaging equipment and are not shown in the attached drawings.

The double-station packaging machine shown in the drawing comprises a pressure lever assembly a and a pressure lever assembly b which are composed of two groups of pressure lever groups, a pressure lever extruding mechanism 56 and a pressure lever splitting and combining mechanism 57 simultaneously drive the pressure lever assembly a and the pressure lever assembly b to move, a first extruding rod 536 drives a first pressure lever seat 5362 of the pressure lever assembly a and the pressure lever assembly b for installing pressure levers to move, and a second extruding rod 537 drives a second pressure lever seat 5371 of the pressure lever assembly a and the pressure lever assembly b for installing pressure levers to move.

The driving arm 535 and the driving lever 5344 are correspondingly provided with a U-shaped shifting block 5351, the driving lever 5344 extends into the U-shaped shifting block 5351 and rotatably provided with a linkage block 5345 with the shape of the inner section of the U-shaped shifting block 5351 matched with that of the U-shaped shifting block 5351, the linkage block can move along the moving direction of the opening and closing seat 532 in the U-shaped shifting block 5351, the U-shaped shifting block 5351 can stir the driving disc 5342 to rotate through the linkage block and simultaneously can not block the movement of the opening and closing seat 532, and the stable conversion of the rotary driving force of the extrusion driving source into the movable driving force of the extrusion rod 531 and the smooth movement are ensured.

The first and second

pressing rods

536, 537 pass through the pressing rod 531 not mounted thereon to form a guiding fit with the pressing rod 531, and the first and second

pressing rods

536, 537 are used as moving guides for mounting the pressing rods 531 and driving one of the pressing rods 531 to move and simultaneously as the other pressing rod 531, so that the structure is more compact and the movement of the pressing rod 531 is more stable.

The suction cup combining and combining mechanism 55 comprises a suction cup guide rod 521, a first suction cup seat 522, a second suction cup seat 523 and a suction cup driving source, wherein the suction cup guide rod 521 is fixed on the main frame 1 along the direction that the suction cup 52 approaches or leaves, the first suction cup seat 522 is fixed at the other end of the main frame 1 opposite to the suction cup guide rod 521, the second suction cup seat 523 moves in a reciprocating manner under the driving of the suction cup driving source on the suction cup guide rod 521, the first suction cup seat 522 and the second suction cup seat 523 are respectively provided with a suction cup mounting rod 5221 which extends to a packaging bag and is used for mounting the suction cup 52, the suction cup guide rod 521 is used as the mounting position of the first suction cup seat 522 and is also used as the guide for moving of the second suction cup seat 523, so that the structure is more compact, the suction cups 52 approach or leave when the second suction cup seat 523 moves in cooperation with the suction cup driving source, thereby ensuring the full expansion of the packaging bag by the suction cups 52 in the same group, and the suction cups are uniformly provided by the packaging equipment, not shown in the drawings. In the present embodiment, a double-station packaging machine is shown in the drawing, and the suction cup opening and closing mechanism 55 simultaneously drives the suction cups corresponding to the pressure lever assembly a and the pressure lever assembly b to open and close.

The opening and closing driving assembly comprises an opening and closing seat guide rod 538, a first opening and closing driving seat 5381, a second opening and closing driving seat 5382 and an opening and closing driving source, the opening and closing seat guide rod 538 is fixed on the main frame 1 along the direction of approaching or departing the same group of pressing rods 531, the first opening and closing driving seat 5381 is fixed at the other end of the opening and closing seat guide rod 538 opposite to the main frame 1, the second opening and closing driving seat 5382 moves in the opening and closing seat guide rod 538 in a reciprocating manner under the driving of the opening and closing driving source, the first opening and closing driving seat 5381 and the second opening and closing driving seat 5382 are respectively fixed with different opening and closing seats 532, the opening and closing seat guide rod 538 serves as the guide for the movement of the second opening and closing driving seat 5382 while serving as the installation position of the first opening and closing driving seat 5381, the structure is more compact, the pressing rods 531 can be moved close to or away by matching with the driving source when the second opening and closing driving seat 5382 moves, so as to ensure the clamping stability of the same group of the pressing rods 531, the separation and combination driving source is provided by the packaging device in a unified manner, and is not shown in the drawing.

The air blowing device 54 is further included, the air blowing device 54 comprises an air source and an air pipe 541, the air pipe 541 is fixed on the main frame 1 and is provided with an air outlet 5411 opposite to the opening of the packaging bag and an air inlet 5412 connected with the air source, the air source is filled with air for expanding the packaging bag when the opening of the packaging bag is opened through the air pipe 541, and the air blowing device 54 is additionally arranged.

The feeding device 7 comprises a measuring cup 72, the measuring cup 72 is a cylindrical member, the main frame 1 is provided with a feeding platform 73 for installing a vacuum sealing chamber, part of the feeding platform 73 extends from the front of the main frame 1 to the upper part of the horizontal transmission device, the feeding platform 73 is provided with a measuring cup rail 731, a circulating mechanism 74, a pushing mechanism 75 and a material disc 76, the number of the measuring cup rails 731 is two, the two measuring cup rails 731 are symmetrically arranged at two sides of the feeding platform 73, the number of the measuring cups 72 is multiple and are sequentially arranged on the measuring cup rail 731, the circulating mechanism 74 drives the measuring cups 72 to circularly move along the measuring cup rails 731, the part of the feeding platform 73, which is positioned outside the main frame 1, is provided with two feeding ports 732, the two feeding ports 732 are respectively positioned below one measuring cup 72 of each measuring cup rail 731, the pushing mechanism 75 pushes down the material in the measuring cup 72 corresponding to the feeding port 732, the left side and the right side of the main frame 1 are respectively used as two operators for placing the material to the manual operation positions 711 of the measuring cups 72, the material tray 76 is positioned above the two measuring cup rails 731 and extends to a position close to the manual operation position 711, the two measuring cup rails 731 for circularly moving the measuring cup rails 731 are arranged on the same main frame 1, so that the charging structure is more compact, the space on two sides of the main frame 1 is reasonably used as the manual operation position 711 for placing materials to the measuring cup 72 by two operators, the rapid manual supplement of the materials is realized, the equipment cost and the charging efficiency are ensured, meanwhile, the measuring cup 72 is driven by the circulating mechanism 74 to circularly move along the measuring cup rails 731, the position of the measuring cup 72 is automatically switched, the material in the measuring cup 72 corresponding to the charging opening 732 is pressed downwards out of the charging opening 732 by the pressing mechanism 75, the charging action after the measuring cup 72 reaches the designated position is realized, then, the local part of the charging platform extends out of the main frame from the front part, so that the device can be adapted to various packaging machines as an independent module, in addition, the material tray 76 is fixed above the measuring cup rail 731, so that the space above the measuring cup rail 731 is reasonably utilized, the structure is more compact, an operator can conveniently take and place the measuring cup 72 nearby, and the operation is more labor-saving.

The material tray 76 extends from the left side and the right side of the main frame 1 to the outside of the main frame 1 to form an operation corner 761 surrounding an operator, the plurality of measuring cups 72 are positioned at the operation corner 761, and the material tray 76 is extended, so that on one hand, the area of the material tray 76 is increased, namely, the material amount of single material supplement is increased, and the material supplement frequency is reduced, on the other hand, the material tray 76 forms the operation corner 761 surrounding the operator, and the plurality of measuring cups 72 are positioned at the operation corner 761, so that more materials and measuring cups 72 can be touched around the operator, the distance between the materials and the measuring cups 72 is further shortened, the operation of the operator is more labor-saving, and the materials can be quickly loaded into each measuring cup 72 passing through.

Adjacent measuring cups 72 positioned on the same measuring cup track 731 abut against each other, each measuring cup 72 is provided with a circulating ring groove 721 in a surrounding manner, the circulating mechanism 74 comprises a circulating toothed disc 741 in rotating fit with the feeding platform 73 and a rotating assembly for driving the circulating toothed disc 741 to rotate, the circulating toothed discs 741 are respectively positioned at the annular corners of the measuring cup tracks 731, circulating protrusions 7411 are equidistantly arranged on the periphery of the circulating toothed disc 741, the circulating protrusions 7411 extend into the circulating ring grooves 721 between the adjacent measuring cups 72 to form linkage fit of the measuring cups 72 and the circulating toothed disc 741, the circulating protrusions 7411 are inserted into the circulating ring grooves 721 between the adjacent measuring cups 72 to successfully stir the measuring cups 72 to move along the measuring cup tracks 731, so that the stirring motion is more accurate, the circulating toothed disc 741 is positioned at the annular corners of the measuring cup tracks 731, so that a single circulating toothed disc 741 can drive a plurality of measuring cups 72 to move, and improve the driving stability, adjacent measuring cups 72 are in abutting fit, so that other measuring cups 72 which are not positioned at the annular corner of the measuring cup rail 731 can move under the pushing of other measuring cups 72, and the smooth implementation of the circulating mechanism 74 is ensured.

An inward-concave positioning arc surface 7412 is arranged between the adjacent circular protrusions 7411, and when the measuring cup with a local arc-shaped periphery is bent over, the measuring cup needs to be positioned by the positioning arc surface 7412, so that the circumferential direction of the measuring cup is prevented from being wrong.

The rotating assembly comprises a motor 743 and two groups of transmission units 742 which are arranged below the charging platform 73, each transmission unit 742 comprises a first gear 7421, a second gear 7422 and a third gear 7423, the first gear 7421 and the circulating toothed disc 741 are coaxially arranged and synchronously rotate, the second gear 7422 and the third gear 7423 are positioned at positions close to the motor 743, the second gear 7422 forms transmission fit with the first gear 7421 through a toothed belt 7424, the third gears 7423 of the two groups of transmission units 742 are meshed, the motor 743 drives a driving gear 7431 meshed with one of the third gears 7423, the driving gear 7431 drives the third gear 7423 to rotate, and as the two third gears 7423 are meshed, rotary drives with different rotating directions are output and are transmitted to different first gears 7421 through the toothed belts, so as to realize the rotation of different circulating toothed discs 741, the transmission is stable and the structure is simple, the diameter of the third gear 7423 is larger than that of the second gear 7422, the output torque of the motor 743 is increased, and the rotating speed is reduced.

The measuring cup 72 is provided with a guide ring groove 722 in a surrounding manner, guide strips 7311 positioned in the guide grooves are respectively arranged on two sides of the measuring cup rail 731, the measuring cup rail 731 is provided with a measuring cup detaching port 7312 extending to the edge of the charging platform 73 and a detaching part 7313 detachably mounted on the measuring cup detaching port 7312, the guide strips 7311 are locally positioned on the detaching part 7313, because adjacent measuring cups 72 circularly move in a mutual pushing manner, in order to prevent one measuring cup 72 from being stuck and prevent other measuring cups 72 from extruding and falling off the measuring cup rail 731, the guide ring groove 722 is matched with the guide strips 7311 to realize the guide matching of the measuring cup rail 731 on the measuring cup 72, so as to ensure the circulation smoothness of the measuring cup 72, in addition, the detaching part 7313 is additionally arranged, so that the measuring cup 72 can be conveniently detached and replaced in specification, the practicability is improved, and the detaching part 7313 and the main frame 1 are formed by bolts to be detachably and fixedly matched.

The pressing mechanism 75 includes a pressing support 751, the pressing support 751 is fixed on the feeding platform 73 and located between two measuring cup rails 731, the pressing support 751 is provided with two pressing branches 7511 extending to different feed ports 732, the pressing branches 7511 are respectively provided with a pressing block 752 and a pressing driving component 753 which drives the pressing block 752 to descend and press the material located in the measuring cup 72 out of the feed port 732, the pressing block 752 is driven by the pressing driving component 753 to press the material located in the measuring cup 72 out of the feed port 732, so as to realize the feeding action, and meanwhile, the two pressing blocks 752 are concentrated on the same pressing support 751, so that the device structure is more compact, the pressing driving component 753 is a driving component with a linear driving function, and can adopt various modes such as electric, pneumatic, hydraulic and the like, and in the embodiment, an air cylinder is adopted.

The main frame 1 is provided with a compacting mechanism 77 which is arranged in front of the downward pressing mechanism 75 relative to the circulation direction of the measuring cup 72, the compacting mechanism 77 comprises a compacting support 771, the compacting support 771 is fixed on the feeding platform 73 and is arranged between the two measuring cup rails 731, the compacting support 771 is provided with two compacting branches 7711 which extend to the positions above the measuring cups 72 of the different measuring cup rails 731, the compacting branch 7711 is provided with a compacting block 772 and a compacting driving assembly 773 which drives the compacting block 772 to descend and compact the material in the measuring cup 72, the compacting block 772 is driven by the compacting driving assembly 773 to pre-compact the material in the measuring cup 72, the feeding action of the downward pressing block 752 is ensured to be smoother during feeding, meanwhile, the two compacting blocks 772 are concentrated on the same compacting support 771, the equipment structure is more compact, the compacting driving assembly 73 is a driving piece with a linear driving function, and can adopt an electric driving piece, a pneumatic piece and a driving piece, Various means such as hydraulic pressure, etc. are used, and in the present embodiment, a cylinder is used.

Claims

1. The utility model provides a two horizontal vacuum packaging machine of bag, includes the horizontal transmission device of main frame and vertical transmission wrapping bag, the main frame along vertically having set gradually the last bagging apparatus who arranges horizontal transmission device in the wrapping bag, spout the sign indicating number device of spouting the sign indicating number on the wrapping bag, open the bagging apparatus of bag, detect whether the detection device of bag is opened to the wrapping bag, add the material simultaneously the feeding device of two wrapping bags, with the tensioning device of wrapping bag sack tensioning and carry out the vacuum closing device that the vacuum sealed with the wrapping bag, its characterized in that: the vacuum sealing device comprises a longitudinal transition mechanism, a transverse transfer mechanism, a longitudinal distribution mechanism, a vacuum sealing chamber and a discharge transmission mechanism, wherein the vacuum sealing chambers are arranged in two transverse rows, each row of the vacuum sealing chambers comprise a plurality of longitudinal arrangements, the longitudinal transition mechanism longitudinally transmits the packaging bags transmitted by the horizontal transmission device to the transverse transfer mechanism, the transverse transfer mechanism distributes the packaging bags to the vacuum sealing chambers in different rows at intervals, the longitudinal distribution mechanism is respectively arranged corresponding to the vacuum sealing chambers in different rows and distributes the packaging bags to the vacuum sealing chambers in the same row in sequence, the vacuum sealing chambers release the packaging bags after the packaging bags are vacuum sealed to enable the packaging bags to fall into the discharge transmission mechanism, the packaging bags are transmitted to a finished product collection position by the discharge transmission mechanism, and the transverse transfer mechanism comprises a transfer rail, a first middle rotary seat, a second middle rotary seat and a third rotary seat, The first middle rotary seat and the second middle rotary seat are driven by the transfer driving assembly to synchronously reciprocate along the transfer track, and when the first middle rotary seat is opposite to the first row of vacuum sealing chambers and the longitudinal distribution mechanism transmits the packaging bags, the second middle rotary seat is opposite to the longitudinal transition mechanism and receives the packaging bags transmitted by the longitudinal transition mechanism; when the first middle rotary seat is opposite to the longitudinal transition mechanism and receives the packaging bags transmitted by the longitudinal transition mechanism, the second middle rotary seat is opposite to the second row of vacuum sealing chambers and transmits the packaging bags by the longitudinal distribution mechanism.

2. The double bag horizontal vacuum packaging machine of claim 1 wherein: the discharging transmission mechanism comprises a discharging rack, a motor and a transmission belt, the discharging rack is provided with an installation platform for installing a vacuum sealing chamber, the transmission belt is positioned below the installation platform, the installation platform and the transmission belt are correspondingly provided with a blanking port for a packaging bag to fall into the transmission belt, the discharging transmission mechanism also comprises a transmission belt installation rack, a positioning mechanism and a locking mechanism, the transmission belt installation rack is respectively positioned at two sides of the transmission belt, a transmission shaft for installing the transmission belt is respectively and rotatably arranged between the transmission belt installation rack at the front end and the rear end between the transmission belt installation rack at two sides, the discharging rack is provided with a supporting platform below the blanking port, the supporting platform is positioned at the side of the discharging rack and is provided with a dismounting port for pushing the front end of the transmission belt installation rack into the supporting platform, the positioning mechanism aligns the transmission belt installation rack after the transmission belt installation rack is pushed into place on the supporting platform, locking mechanical system locks transmission band mounting bracket position, the motor install in ejection of compact frame and drive and be provided with drive gear, be located transmission band mounting bracket front end the transmission axle extend to the transmission band mounting bracket outside and install synchronous pivoted driven gear, drive gear push supporting platform and mesh with driven gear after targetting in place at the transmission band mounting bracket.

3. The double bag horizontal vacuum packaging machine of claim 2 wherein: positioning mechanism including location strip and positioning groove, the location strip be fixed in between the transmission band mounting bracket front end of both sides, the location strip be provided with the cross-section and be trapezoidal form and the location arch towards the place ahead, positioning groove set up in supporting platform, positioning groove protruding towards the location and with the protruding shape looks adaptation in location, protruding and positioning groove in location constitute transmission band mounting bracket front end and supporting platform's location cooperation when offsetting, protruding below in location offset with supporting platform, positioning groove top be provided with and press the bellied clamp plate in location.

4. The double bag horizontal vacuum packaging machine of claim 2 wherein: locking mechanical system include locking bolt, locking strip and locking hole, the locking strip be fixed in the main frame and be located the rear end below of each transmission band mounting bracket respectively, the locking strip be provided with the bar locking groove along the front and back, the bar locking groove extend to locking strip tip locking mouth, the locking hole set up in the rear end below of each transmission band mounting bracket, locking bolt screw in locking hole and along the bar locking groove remove to constitute the guide that the transmission band mounting bracket pushed supporting platform to push the assigned position at the transmission band mounting bracket after locking in the locking strip.

5. The double bag horizontal vacuum packaging machine of claim 1 wherein: open bagging apparatus including setting up in sucking disc, sucking disc deciliter mechanism, depression bar group, depression bar extrusion mechanism and the depression bar deciliter mechanism of main frame, the quantity of sucking disc be two and be located the middle part that the wrapping bag opening opened and shut both sides respectively, two the sucking disc be close to or keep away from under the drive of sucking disc deciliter mechanism, depression bar group quantity be two sets of and be located two corners of wrapping bag opening respectively, each depression bar group's depression bar quantity be two and be located the lateral part that the wrapping bag opening opened and shut both sides respectively, depression bar deciliter mechanism include deciliter seat and deciliter drive assembly, deciliter seat's quantity be two and be located the wrapping bag opening both sides that open and shut respectively, deciliter drive assembly drive two deciliter seats be close to or keep away from, two sets of depression bars of depression bar extrusion mechanism drive be close to or keep away from, depression bar extrusion mechanism include extrusion driving source, The transmission rod is matched with the main frame in a rotating way and extrudes the driving source to drive the main frame to rotate forward and backward, the number of the linkage seats is two and the two linkage seats are respectively arranged on the split seat, the transmission arm is arranged on the transmission rod and corresponds to the position of the linkage seat, the linkage seat is rotatably provided with a transmission shaft, the transmission shaft is provided with a synchronous rotating transmission disc and a transmission gear, the driving disc is eccentrically provided with a deflector rod which drives the transmission shaft to rotate positively and negatively under the stirring of the driving arm, the first extrusion rod and the second extrusion rod slide on the combining and combining seat along the direction that the two groups of pressure rods are close to or far away from each other, the first extrusion rod and the second extrusion rod are respectively used for installing compression rods positioned in different groups, and the first extrusion rod and the second extrusion rod are respectively positioned on two sides of the transmission gear and are partially racks meshed with the transmission gear.

6. The double bag horizontal vacuum packaging machine of claim 5 wherein: the driving arm and the shifting lever are correspondingly provided with a U-shaped shifting block, the shifting lever extends into the U-shaped shifting block and is rotatably provided with a linkage block with the shape of the inner section of the U-shaped shifting block matched with the shape of the inner section of the U-shaped shifting block, and the linkage block can move along the moving direction of the separation and combination seat in the U-shaped shifting block.

7. The double bag horizontal vacuum packaging machine of claim 1 wherein: the feeding device comprises a measuring cup, the measuring cup is a cylindrical component, the main frame is provided with a feeding platform, the local part of the feeding platform extends to the upper part of the horizontal transmission device from the front part of the main frame, the feeding platform is provided with a plurality of measuring cup tracks, a circulating mechanism, a pressing mechanism and a material disc, the number of the measuring cup tracks is two, the measuring cup tracks are symmetrically arranged at two sides of the feeding platform, the number of the measuring cups is a plurality, the measuring cups are sequentially arranged on the measuring cup tracks, the circulating mechanism drives the measuring cups to circularly move along the measuring cup tracks, the part of the feeding platform, which is positioned outside the main frame, is provided with two feeding ports, the two feeding ports are respectively positioned below one of the measuring cups of each measuring cup track, the pressing mechanism presses the material in the measuring cup corresponding to the feeding ports, the left side and the right side of the main frame are respectively used as two manual operation positions for placing the material to the measuring cup by operators, the material tray is positioned above the two measuring cup rails and extends to a position close to the manual operation position.

8. The double bag horizontal vacuum packaging machine of claim 7 wherein: the material disc extends to the outside of the main frame from the left side and the right side of the main frame respectively to form operation corners surrounding operators, and the plurality of measuring cups are positioned at the operation corners.

9. The double bag horizontal vacuum packaging machine of claim 7 wherein: be located same graduated flask orbital adjacent the graduated flask offset, each the graduated flask encircle and be provided with the circulation annular, circulation mechanism include with reinforced platform normal running fit's circulation profile of tooth dish and the rotatory rotary assembly of drive circulation profile of tooth dish, circulation profile of tooth dish be located each graduated flask track ring corner respectively, circulation profile of tooth dish periphery equidistance be provided with the circulation arch, the circulation arch stretch into the circulation annular between the adjacent graduated flask, constitute the linkage cooperation of graduated flask and circulation profile of tooth dish.