CN210913204U - Automatic switching shaping device of open bag filling machine - Google Patents

Abstract

An automatic switching and shaping device of an open bag filling machine belongs to the technical field of packaging machinery. Comprises a chassis, a chassis front guide rail arranged at the front side of the chassis, and a chassis rear guide rail arranged at the rear side of the chassis; the front side of the left-right displacement switching trolley and the front guide rail of the chassis form a rolling pair, and the rear side of the left-right displacement switching trolley and the rear guide rail of the chassis form a rolling pair; the full-package packaging bag conveying mechanism is fixed on the upward side of the left and right displacement switching trolley; the packing bag material compaction mechanism is arranged on the full-package packing bag conveying mechanism; the switching sizing die frame lifting mechanism is fixed with the front side of the left and right displacement switching trolley; the front end of the switching sizing die frame is connected with the lifting mechanism of the switching sizing die frame, and the rear end of the switching sizing die frame is a horizontal cantilever end; the full-package packaging bag switching sizing die is fixed on the switching sizing die frame; and the bag mouth clamping mechanism is arranged on the switching sizing die frame. The advantages are that: the filling efficiency is improved; the operation intensity is reduced.

Description

Automatic switching shaping device of open bag filling machine

Technical Field

The utility model belongs to the technical field of packaging machinery, concretely relates to automatic switch-over shaping device of uncovered bag liquid filling machine.

Background

The shaping device is also called a forming device, and is used for integrating the materials in the open bag filled by the filling machine into a rectangular shape under a vibration state, so that the materials are convenient to stack and are not easy to collapse in logistics links such as storage and transportation.

The aforementioned open bag is widely used for packaging of powder or granular materials such as fine chemical raw materials such as ultrafine powders, metal ore and non-metal ore powders, pharmaceutical chemical raw materials, dyes, pigments, calcium carbonate, kaolin, phenol resins, and even flours, seasonings in the food seasoning category. Open-bag filling machines are widely used in the industry not limited to the aforementioned products, because of their advantages of high filling efficiency, accurate metering, low labor input, and contribution to significantly reducing the working intensity of workers and improving the environment of the filling work site.

An open-bag filling machine set typically comprises: the automatic quantitative weighing device is an automatic quantitative scale, a bag warehouse, an automatic bag feeding device, an automatic bag clamping device, an automatic bag opening clamping device, an automatic discharging device, an automatic bag beating device, an automatic conveying and loading trolley, an automatic bag opening sealing device and the like. The action process of the devices is as follows: the automatic quantitative weighing device quantitatively weighs, the bag warehouse automatically provides empty open bags to be filled, the automatic bag loading device automatically extracts an empty open bag and feeds the extracted empty open bag to the automatic clamping device, the automatic clamping device clamps two sides of the bag opening, materials to be weighed by the automatic quantitative weighing device are introduced into the open bag through the discharging device and then are patted by the automatic bag patting device, so that air mixed in the materials is discharged and the materials are compacted, the filled open bags are clasped by the automatic bag clasping device and are sent to the automatic sealing device, and the bags are sealed by the automatic sealing device.

Technical information relating to an open-pocket filling machine is not known in the published chinese patent documents, and examples thereof are ZL201620205588.9 (bag clamping device of an open-pocket automatic filling machine), ZL201620206148.5 (discharging device of an open-pocket automatic filling machine), ZL201620205835.5 (open-pocket automatic bag holding device), ZL20182162935.2 (bag beating mechanism of a packing machine), ZL201821669780.8 (open-pocket automatic discharging device having a function of sealing an air-inflated bag opening), ZL201821669993.7 (vacuum pumping mechanism of an open-pocket automatic discharging device), ZL201822178209.3 (internal and external combined dust removing device of an open-pocket full automatic filling machine), ZL201920116357.4 (dust suction device of an open-pocket filling machine), and ZL201920342830.0 (automatic clamping device of an open-pocket filling machine), and the like.

From a reading of the patent literature, which is not limited to the above examples: in the process of blanking the open-mouth bag by the blanking device of the filling machine, other devices matched with the filling machine are basically in a temporary standby state, typically, a vibration device for compacting the materials in the open-mouth bag, a full bag sending device and the like are in a waiting state in the period of filling the open-mouth bag, so that the action connectivity of the complete filling equipment cannot meet the expectation of the industry. In particular, in the blanking process of the blanking device, the vibration device, the full bag sending-out device and the like of the subsequent stations are in a waiting state, so that the efficiency of the complete filling equipment is not improved, and the electric energy consumption is not saved. In addition, after the blanking mechanism finishes blanking the open-mouth bag, an online operator needs to load the full-package packaging bag into a shaping die for shaping by a shaping mechanism of a shaping station, so that the operation intensity of the online operator is obviously increased. In view of the foregoing, there is a need for improvement, and the technical solutions described below are made in this context.

Disclosure of Invention

The task of the utility model is to provide a help shifting to the vibration plastic station with the automatic mode of alternating the wrapping bag of full package of filling station and can improve filling operating efficiency and need not to introduce the plastic mould by the wrapping bag that online operation personnel will full package and can show the automatic switch-over shaping device who alleviates online operation personnel's operation intensity of uncovered bag liquid filling machine.

The task of the utility model is accomplished in this way, an automatic switching shaping device of an open bag filling machine, comprising a chassis, the chassis is arranged on the terrace of the filling operation place corresponding to the position below the open bag filling machine under the using state, and the front side of the chassis in the length direction is provided with a chassis front guide rail, and the rear side of the chassis in the length direction is provided with a chassis rear guide rail; the front side of the left-right displacement switching trolley and the front guide rail of the chassis form a rolling pair, and the rear side of the left-right displacement switching trolley and the rear guide rail of the chassis form a rolling pair; the full-package packaging bag conveying mechanism is fixed on one upward side of the left and right displacement switching trolley; the packing bag material compaction mechanism is arranged on the full-package packing bag conveying mechanism; the switching sizing die frame lifting mechanism is fixed with the front side of the left and right displacement switching trolley in a longitudinal state at a position corresponding to the front end of the full-package packaging bag conveying mechanism; the switching sizing die frame corresponds to the upper part of the full-package packaging bag conveying mechanism, the front end of the switching sizing die frame is connected with the switching sizing die frame lifting mechanism in a vertically-displaced manner, and the rear end of the switching sizing die frame is formed into a horizontal cantilever end; the full-package packaging bag switching and sizing die is fixed on the switching and sizing die frame and corresponds to the upper part of the packaging bag material compaction mechanism; and the bag mouth clamping mechanism is arranged on the switching sizing die frame corresponding to the position of the full-package packaging bag switching sizing die.

In a specific embodiment of the present invention, the chassis front rail and the chassis rear rail are parallel to each other; the left and right displacement switching trolley comprises a left and right displacement switching trolley frame and a left and right displacement switching trolley driving acting cylinder, a switching trolley frame front roller seat is respectively fixed at the left end and the right end of the front side of the left and right displacement switching trolley frame, a switching trolley frame front roller is rotatably arranged on the switching trolley frame front roller seat, the switching trolley frame front roller and the chassis front guide rail form a rolling pair, a switching trolley frame rear roller seat is respectively fixed at the left end and the right end of the rear side of the left and right displacement switching trolley frame, a switching trolley frame rear roller is rotatably arranged on the switching trolley frame rear roller seat, the switching trolley frame rear roller and the chassis rear guide rail form a rolling pair, the left and right displacement switching trolley driving acting cylinder is fixed with the middle part of the downward side of the left and right displacement switching trolley frame in a horizontal state, the left and right displacement switching trolley driving acting cylinder column of the left and right displacement switching trolley driving acting cylinder faces to the left and is hinged with the left end of the chassis; the full-package packaging bag conveying mechanism is fixed on the upward side of the left and right displacement switching trolley frame; the packing bag material compaction mechanism is arranged in the middle of the full-package packing bag conveying mechanism; the switching sizing die frame lifting mechanism is fixed with the front side of the left and right displacement switching trolley frame in a longitudinal state; a switching sizing die seat falling cavity is formed on the switching sizing die frame and is positioned in the middle of the switching sizing die frame; the bag mouth clamping mechanism is arranged on the switching sizing die frame and the switching sizing die frame lifting mechanism at the position corresponding to the two sides of the switching sizing die seat falling cavity.

In another specific embodiment of the present invention, the full-package packaging bag conveying mechanism comprises a conveying frame left beam, a conveying frame right beam, a full-package packaging bag conveying belt, a conveying belt driving roller, a conveying belt driven roller, a conveying belt supporting roller, a conveying belt upper guide roller, a conveying belt lower guide roller and a conveying belt driving roller driving device, wherein the front end bottom and the rear end bottom of the conveying frame left beam are respectively fixed with one upward side of a left and right displacement switching trolley frame of the left and right displacement switching trolley through a conveying frame left beam supporting fixing foot, the conveying frame right beam corresponds to the right side of the conveying frame left beam, the front end bottom and the rear end bottom of the conveying frame right beam are respectively fixed with one upward side of the left and right displacement switching trolley frame through a conveying frame rear beam supporting fixing foot, the left end of the conveying belt driving roller is rotatably supported on a conveying belt driving roller left supporting shaft head through a conveying belt driving roller left shaft head, and extends to the left side of the left beam of the conveying frame, a left shaft head supporting bearing seat of the conveying belt driving roller and the rear end of the left beam of the conveying frame are fixed towards one side of the right beam of the conveying frame, the right end of the conveying belt driving roller is rotatably supported on the right shaft head supporting bearing seat of the conveying belt driving roller through the right shaft head of the conveying belt driving roller, the right shaft head supporting bearing seat of the conveying belt driving roller and the rear end of the right beam of the conveying frame are fixed towards one side of the left beam of the conveying frame, the left end of the driven roller of the conveying belt is rotatably supported on the left shaft head supporting bearing seat of the driven roller of the conveying belt through the left shaft head of the driven roller of the conveying belt, the left shaft head supporting bearing seat of the driven roller of the conveying belt is arranged at the front end of the left beam of the conveying frame in a front-back displacement adjustment manner, and the right end, the front-back displacement adjustment is arranged at the front end of the right cross beam of the conveying frame under the state that the right shaft head supporting bearing seat of the driven roller of the conveying belt corresponds to the left shaft head supporting bearing seat of the driven roller of the conveying belt, the conveying belt carrier roller is rotatably supported between the rear ends of the left cross beam of the conveying frame and the right cross beam of the conveying frame through the supporting bearing seat of the conveying belt carrier roller under the state that the conveying belt carrier roller corresponds to the front side of the driving roller of the conveying belt, the upper guide roller of the conveying belt is arranged between the left cross beam of the conveying frame and the right cross beam of the conveying frame at the position corresponding to the front side of the conveying belt carrier roller, the number of the lower guide rollers of the conveying belt is a pair which are parallel front and back, the lower guide rollers of the conveying belt are arranged between the driving roller of the conveying belt and the driven roller of the conveying belt and are supported between the bottoms of the left cross, the front end of the conveying belt is sleeved on a driven roller of the conveying belt, the carrier roller of the conveying belt is contacted with the inner side of the upper part of the conveying belt of the full-package packaging bag, the upper guide roller of the conveying belt is contacted with the outer side of the lower part of the conveying belt of the full-package packaging bag, the lower guide roller of the conveying belt is contacted with the inner side of the lower part of the conveying belt of the full-package packaging bag, and a driving roller driving device of the conveying belt is arranged on the left-right displacement switching trolley frame at a position corresponding to the left end of the driving roller of the conveying belt; the packing bag material jolt ramming mechanism is arranged between the middle parts of the left cross beam and the right cross beam of the conveying frame at a position corresponding to the inner side of the full-pack packing bag conveying belt; the switching sizing die frame lifting mechanism is fixed with the front side of the left and right displacement switching trolley frame in a longitudinal state at a position corresponding to the position between the left cross beam of the conveying frame and the front end of the right cross beam of the conveying frame; the switching sizing die frame, the full-package packaging bag switching sizing die and the bag opening clamping mechanism correspond to the upper part of the full-package packaging bag conveying belt in a vertically moving mode; the size of the switching sizing die seat cavity is matched with the full-package packaging bag switching sizing die.

In yet another embodiment of the present invention, the driving roller driving device of the conveying belt comprises a reduction box fixing seat, a driving roller driving motor, a driving roller driving reduction box, a driving roller driving wheel, a driving roller driving driven wheel and a driving roller driving transmission belt, wherein the reduction box fixing seat is fixed on the left and right displacement switching trolley frame at a position corresponding to the left end of the driving roller of the conveying belt, the driving roller driving motor is in transmission fit with the driving roller driving reduction box and is fixed on the reduction box fixing seat by the driving roller driving reduction box together with the driving roller driving motor, the driving roller driving wheel is fixed on the final power output shaft of the driving roller driving reduction box, the driving roller driving driven wheel is fixed on the left shaft head of the driving roller of the conveying belt, one end of the driving roller driving transmission belt is sleeved on the driving, the other end is sleeved on a driven wheel driven by a driving roller.

In another specific embodiment of the present invention, a reduction box fixing screw adjustment groove is formed in the reduction box fixing base, a pair of tension screw bases are fixed to an upward side of the left end of the reduction box fixing base, each tension screw is provided on the pair of tension screw bases, the drive roll drive reduction box is fixed to the reduction box fixing base at a position corresponding to the reduction box fixing screw adjustment groove by a drive roll reduction box fixing screw, and a front end surface of each tension screw contacts a rear side surface of the drive roll drive reduction box; the driving roller driving wheel and the driving roller driving driven wheel are chain wheels, and the driving roller driving transmission belt is a chain.

In still another specific embodiment of the present invention, the packing bag material jolt ramming mechanism comprises a vibrating plate, a vibrator and a pair of vibrating spring sleeve fixing plates, the vibrating plate corresponds to the inner side of the full-pack packing bag conveying belt and is located between the middle portions of the left and right cross beams of the conveying frame, the vibrator is fixed on the downward side of the vibrating plate, the pair of vibrating spring sleeve fixing plates are fixed between the lower middle edges of the left and right cross beams of the conveying frame at positions corresponding to the lower portions of the vibrating plate and in a front-back parallel state, a pair of vibrating spring sleeves are respectively fixed on the upward side of the pair of vibrating spring sleeve fixing plates, a vibrating spring sleeve floating cap is respectively sleeved on the upper portions of the pair of vibrating spring sleeves, the vibrating spring sleeve floating cap is fixed with the vibrating plate through a floating cap fixing screw, wherein vibration is respectively arranged in the pair of vibrating spring sleeves, the upper end of the vibration is supported on the floating cap of the vibration spring sleeve; the inner side of the upper part of the full-package packing bag conveying belt is attached to and contacted with the vibrating plate.

In a more specific embodiment of the present invention, the switching sizing die set lifting mechanism comprises a left vertical column, a right vertical column, a vertical column upper connecting beam, a left connecting rod lifting cylinder, a right connecting rod lifting cylinder, a left connecting rod, a right connecting rod, a guide roller shaft holder, and a pair of guide posts, wherein the left vertical column corresponds to the front end of the left cross beam of the carriage in a vertical state, and the lower end of the left vertical column is fixed to the left vertical column holder, the right vertical column corresponds to the front end of the right cross beam of the carriage in a vertical state, and the lower end of the right vertical column is fixed to the right vertical column holder, the left vertical column holder and the right vertical column holder are fixed to the upper portion of the front side of the left and right displacement switching cart frame, the vertical column upper connecting beam is fixed between the top of the left vertical column and the top of the right vertical column, and the left end of the connecting beam on the longitudinal upright column extends out of the left side of the left longitudinal upright column, and the right end extends out of the right side of the right longitudinal upright column, a left connecting rod lifting acting cylinder is hinged with the left end of the connecting beam on the longitudinal upright column in a longitudinal state, a left connecting rod lifting acting cylinder column of the left connecting rod lifting acting cylinder faces downwards, a right connecting rod lifting acting cylinder is hinged with the right end of the connecting beam on the longitudinal upright column in a longitudinal state, a right connecting rod lifting acting cylinder column of the right connecting rod lifting acting cylinder faces downwards, the upper end of a left connecting rod is hinged with the tail end of the left connecting rod lifting acting cylinder column, the upper end of the right connecting rod is hinged with the tail end of the right connecting rod lifting acting cylinder column, a pair of guide columns is positioned between the left longitudinal upright column and the right longitudinal upright column, the upper ends of the pair of guide columns are fixed with an upper guide column fixing plate, the lower ends of the pair of guide columns are fixed with, the guide roller shaft fixing seat corresponds to a position between a pair of guide columns, the switching sizing die frame corresponding to the upper part of the full-package packaging bag conveying belt, the full-package packaging bag switching sizing die and the bag mouth clamping mechanism are fixed with the guide roller shaft fixing seat, and the front end of the switching sizing die frame is also connected with the lower ends of the left connecting rod and the right connecting rod; the shape of the switching shaping die base cavity is rectangular.

In yet another specific embodiment of the present invention, the front end of the switching sizing die set has a die set front beam, a left connecting rod connecting seat is fixed to the upward side of the left end of the die set front beam, a right connecting rod connecting seat is fixed to the upward side of the right end of the die set front beam, the left connecting rod connecting seat is fixedly connected to the lower end of the left connecting rod, the right connecting rod connecting seat is fixedly connected to the lower end of the right connecting rod, the middle part of the die set front beam is fixed to the front side of the guide roller shaft fixing seat through a guide roller shaft fixing seat screw, a sizing die front support plate and a sizing die rear support plate are provided in the middle part of the switching sizing die set, and the space between the sizing die front support plate and the sizing die rear support plate constitutes the switching sizing die set falling cavity, and a die set rear end of the switching sizing die set has a die set rear beam; the upper part of the front side of the full-package packaging bag switching sizing die is fixed with the front supporting plate of the sizing die, and the upper part of the rear side of the full-package packaging bag switching sizing die is fixed with the rear supporting plate of the sizing die; the bag mouth clamping mechanism is arranged on the rear side of the guide roller shaft fixing seat and the die carrier rear beam at the position corresponding to the two sides of the switching sizing die seat falling cavity.

In yet another specific embodiment of the present invention, the bag mouth clamping mechanism comprises a bag mouth rear clamping device disposed on the die carrier rear beam and corresponding to the rear side of the full-pack packing bag switching sizing die and a bag mouth front clamping device disposed at the rear side of the guide roller shaft holder and corresponding to the bag mouth rear clamping device and having the same structure as the bag mouth rear clamping device and corresponding to the front side of the full-pack packing bag switching sizing die, the bag mouth rear clamping device comprises a bag mouth rear clamping cylinder holder support, a bag mouth rear clamping cylinder holder, a bag mouth rear clamping rod holder and a pair of rear guide rods, the lower end of the bag mouth rear clamping cylinder holder support is located at the middle of the die carrier rear beam at a position corresponding to the rear side of the full-pack packing bag switching sizing die, it puts the fixed of acting cylinder fixing base support frame to press from both sides behind clamp behind effect jar fixing base and the sack behind the sack, it is fixed with clamp behind the sack with horizontal state and the sack behind the effect jar fixing base to press from both sides behind this sack and put the effect jar post towards, the middle part that the pole fixed plate was put to the clamp behind the sack is fixed with the end of sack behind the clamp effect jar post, and the left end and the right-hand member that the pole fixed plate was put to the clamp behind the sack are fixed with the front end of a pair of back guide arm respectively, should be to back guide arm with the clamp behind the sack puts effect jar fixing base sliding fit, the middle part of the length direction of the pole was put to the clamp behind the sack is fixed with the sack back clamp.

In yet another specific embodiment of the present invention, the full-pack packaging bag switching sizing die is formed with a bag cavity, and the bag cavity is communicated from the upper portion to the lower portion of the full-pack packaging bag switching sizing die; the clamping acting cylinder behind the bag opening is an air cylinder; the bag is characterized in that a flexible sealing strip is inserted and embedded in the length direction of one side of the bag opening, which faces the front, and the flexible sealing strip is a rubber strip.

The technical scheme provided by the utility model the technical effect lie in: because the left and right displacement switching trolley of the utility model can be alternately shifted left and right between the blanking station of the open-pocket filling machine and the station where the vacuumizing sealing mechanism is positioned and compacted by the packing bag material compacting mechanism in the process of alternate displacement, the filling efficiency can be improved; because the full-package packaging bag does not need to be introduced into the full-package packaging bag switching and shaping die by an online operator, the operation intensity of the online operator can be obviously reduced.

Drawings

Fig. 1 is a structural diagram of an embodiment of the present invention.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a schematic front view of fig. 1.

Fig. 4 is a schematic view of the working state of the utility model after being matched with an open bag filling machine.

Detailed Description

In order to make the technical essence and advantages of the present invention more clear, the applicant below describes in detail the embodiments, but the description of the embodiments is not a limitation of the present invention, and any equivalent changes made according to the inventive concept, which are only formal and not essential, should be considered as the technical scope of the present invention.

In the following description, all the concepts related to the directions or orientations of up, down, left, right, front and rear are exemplified by the position states of fig. 1 and 4, and thus, they should not be construed as particularly limiting the technical solution provided by the present invention.

A chassis 1 is shown, which chassis 1 is arranged in the use state on the ground of the filling station at a position corresponding to the underside of the open-bag filler 9 illustrated in fig. 4, and on the longitudinal front side of which chassis 1 a chassis front rail 11 is formed, and on the longitudinal rear side of which chassis 1 a chassis rear rail 12 is formed; a right-left displacement switching trolley 2 is shown, the front side of the right-left displacement switching trolley 2 and the front chassis guide rail 11 form a rolling pair, and the rear side of the right-left displacement switching trolley 2 and the rear chassis guide rail 12 form a rolling pair; a full-package packaging bag conveying mechanism 3 is shown, and the full-package packaging bag conveying mechanism 3 is fixed on the upward side of the left-right displacement switching trolley 2; a bag material tap mechanism 4 is shown, the bag material tap mechanism 4 being provided on the aforementioned full bag conveying mechanism 3; a switching sizing die carrier lifting mechanism 5 is shown, and the switching sizing die carrier lifting mechanism 5 is fixed with the front side of the left and right displacement switching trolley 2 in a longitudinal state at a position corresponding to the front end of the full-package packaging bag conveying mechanism 3; a switching sizing die carrier 6 is shown, which corresponds to the upper side of the full-package bag conveying mechanism 3, and the front end of the switching sizing die carrier 6 is connected with the switching sizing die carrier lifting mechanism 5 in a vertically-displaced manner, and the rear end of the switching sizing die carrier 6 is configured as a horizontal cantilever end; a full-pack packaging bag switching and sizing die 7 is shown, the full-pack packaging bag switching and sizing die 7 is fixed on the switching and sizing die frame 6 and corresponds to the upper part of the packaging bag material jolt ramming mechanism 4; a mouth clamping mechanism 8 is shown, which mouth clamping mechanism 8 is arranged on the aforesaid switching sizing die carrier 6 in a position corresponding to the aforesaid full pack bag switching sizing die 7.

Because the utility model discloses a figure 1 structure has two sets of (figure 4) of the same structure under the in-service use state, therefore two sets the utility model discloses the aforesaid chassis 1 of structure can share one, and aforesaid chassis front rail 11 and chassis rear rail 12 also can respectively share one.

Please refer to fig. 1, the front chassis rail 11 and the rear chassis rail 12 are parallel to each other; the left and right displacement switching carriage 2 includes a left and right displacement switching carriage frame 21 and a left and right displacement switching carriage driving cylinder 22, a switching carriage frame front roller seat 211 fixed to each of the left and right front ends of the left and right displacement switching carriage frame 21, a switching carriage frame front roller 2111 rotatably provided on the switching carriage frame front roller seat 211 through a switching carriage frame front roller shaft 21111, the switching carriage frame front roller 2111 and the chassis front rail 11 constituting a rolling pair, a switching carriage frame rear roller seat 212 fixed to each of the left and right rear ends of the left and right displacement switching carriage frame 21, a switching carriage frame rear roller 2121 rotatably provided on the switching carriage frame rear roller seat 212 through a switching carriage frame rear roller shaft 21211, the switching carriage frame rear roller 2121 constituting a rolling pair with the chassis rear rail 12, the left/right displacement switching carriage driving cylinder 22 is fixed in a horizontal position to the middle of the downward side of the left/right displacement switching carriage frame 21 via a cylinder fixing base 222, and the left/right displacement switching carriage driving cylinder column 221 of the left/right displacement switching carriage driving cylinder 22 faces to the left and is hinged to the central position of the left end of the chassis 1. Fig. 1 clearly shows the working cylinder fixing base 222 fixed to the left and right displacement switching carriage frame 21, and the middle portion in the longitudinal direction of the left and right displacement switching carriage driving working cylinder 22 is fixed to the working cylinder fixing base 222.

As shown in fig. 1, a cylinder column hinge base 2211 is fixed to the end of the left/right displacement switching cart driving cylinder column 221, the cylinder column hinge base 2211 is hinged to a cylinder column hinge base connector 22111 through a cylinder column hinge base pin, and the cylinder column hinge base connector 22111 is fixed to the center of the chassis left cross beam 13 at the left end of the chassis 1 and is located on the right side of the chassis left cross beam 13. In addition, in this embodiment, the left and right displacement switching car driving acting cylinder 22 is a cylinder, but if the cylinder is used instead of the oil cylinder, it should be regarded as an equivalent technical means and still belong to the technical scope of the present invention.

When the right-left displacement switching carriage driving cylinder 22 is operated, for example, when the right-left displacement switching carriage driving cylinder column 221 is extended outward from the cylinder body, the right-left displacement switching carriage frame 21 is pushed rightward along the chassis front rail 11 and the chassis rear rail 12 as described above under the reaction force, and the other mechanisms mentioned below using the right-left displacement switching carriage frame 21 as a carrier are also displaced rightward accordingly, or vice versa. So as to meet the requirement of left-right alternate displacement between the open bag filling machine 9 and a vacuumizing sealing mechanism not shown in the figure. The aforementioned vacuum-pumping concept is to pump air out of the contents in the package, and the mechanism of action can be found in chinese patent ZL201821812925.5, etc., and thus the applicant does not need to describe any further details.

As shown in fig. 1, the full-package packing bag conveying mechanism 3 is fixed on the upward side of the left-right displacement switching trolley frame 21; the packing bag material jolt ramming mechanism 4 is arranged in the middle of the full-pack packing bag conveying mechanism 3; the switching sizing die frame lifting mechanism 5 is fixed with the front side of the left and right displacement switching trolley frame 21 in a longitudinal state; a switching sizing die seat cavity 61 is formed on the switching sizing die frame 6 and in the middle of the switching sizing die frame 6; the aforementioned bag mouth clamping mechanism 8 is provided on the switching sizing die carrier 6 and the switching sizing die carrier elevating mechanism 5 at positions corresponding to both sides of the switching sizing die holder seating chamber 61.

Still referring to fig. 1 with emphasis on fig. 2 to 3, the preferred, but not absolutely limited, structure of the full pack bag transfer mechanism 3 described above is as follows: comprises a left cross beam 31 of a conveying frame, a right cross beam 32 of the conveying frame, a conveying belt 33 of full-package packaging bags, a driving roller 34 of the conveying belt, a driven roller 35 of the conveying belt, a carrier roller 36 of the conveying belt, an upper guide roller 37 of the conveying belt, a lower guide roller 38 of the conveying belt and a driving roller driving device 39 of the conveying belt, wherein the bottom of the front end and the bottom of the rear end of the left cross beam 31 of the conveying frame are respectively fixed with one upward side of a left and right displacement switching trolley frame 21 of the left and right displacement switching trolley 2 through a left cross beam supporting and fixing foot 311 of the conveying frame, the right cross beam 32 of the conveying frame corresponds to the right side of the left cross beam 31 of the conveying frame, the bottom of the front end and the bottom of the rear end of the right cross beam 32 of the conveying frame are respectively fixed with one upward side of the left and right displacement switching trolley frame 21 of the conveying frame through a rear cross beam, and extends to the left side of the left cross beam 31 of the conveying frame, the left spindle nose bearing support 3411 of the conveying belt and the rear end of the left cross beam 31 of the conveying frame are fixed towards one side of the right cross beam 32 of the conveying frame, the right end of the driving roller 34 of the conveying belt is rotatably supported on the right spindle nose bearing support 3421 of the driving roller of the conveying belt through the right spindle nose 342 of the conveying belt, the right spindle nose bearing support 3421 of the driving roller of the conveying belt and the rear end of the right cross beam 32 of the conveying frame are fixed towards one side of the left cross beam 31 of the conveying frame, the left end of the driven roller 35 of the conveying belt is rotatably supported on the left spindle nose bearing support 3511 of the driven roller of the conveying belt through the left spindle nose 351 of the driven roller of the conveying belt, the left spindle nose bearing support 3511 of the driven roller of the conveying belt is adjustably arranged at the front end of the left cross beam 31 of the conveying frame, the right end of the driven roller 35 of the conveying belt, a belt driven roller right head support bearing housing 3521 is provided at the front end of the carriage right beam 32 with a front-rear displacement adjustment in a state corresponding to the belt driven roller left head support bearing housing 3511, a belt idler roller 36 is rotatably supported between the carriage left beam 31 and the rear end of the carriage right beam 32 through a belt idler support bearing housing 361 in a state corresponding to the front side of the belt drive roller 34, a belt upper idler roller 37 is provided between the carriage left beam 31 and the carriage right beam 32 in a position corresponding to the front side of the belt idler roller 36, a number of belt lower idler rollers 38 is a pair parallel to each other front-rear, the pair of belt lower idler rollers 38 is located between the belt drive roller 34 and the belt driven roller 35 and each supported between the carriage left beam 31 and the bottom of the carriage right beam 32 through a belt lower idler roller support housing 381, the rear end of the full-package packaging bag conveying belt 33 is sleeved on the conveying belt driving roller 34, the front end of the full-package packaging bag conveying belt 33 is sleeved on the conveying belt driven roller 35, the conveying belt carrier roller 36 is in contact with the inner side of the upper part of the full-package packaging bag conveying belt 33, the conveying belt upper guide roller 37 is in contact with the outer side of the lower part of the full-package packaging bag conveying belt 33, the conveying belt lower guide roller 38 is in contact with the inner side of the lower part of the full-package packaging bag conveying belt 33, and the conveying belt driving roller driving device 39 is arranged on the left-right displacement switching trolley frame 21 at a position corresponding to the left end of the conveying belt driving roller 34 and.

As shown in fig. 1, a left spindle head supporting bearing seat front-rear displacement adjusting device 312 is disposed at a position corresponding to the rear side of the belt driven roller left spindle head supporting bearing seat 3511 on the left side of the front end of the carriage left beam 31, and the left spindle head supporting bearing seat front-rear displacement adjusting device 312 is connected to the rear side of the belt driven roller left spindle head supporting bearing seat 3511 and is used for adjusting the belt driven roller left spindle head supporting bearing seat 3511 so that the full-package packing belt 33 is in a reasonable tension state. Since the structure and the operation mechanism of the right stub shaft support bearing block forward-backward displacement adjusting device (not shown in fig. 1) provided at the right side of the front end of the aforementioned conveyor right beam 32 and at a position corresponding to the rear side of the aforementioned conveyor driven roller right stub shaft support bearing block 3521 are the same as those of the left stub shaft support bearing block forward-backward displacement adjusting device 312, the description will not be repeated.

As shown in fig. 1, the packing bag material tapping mechanism 4 is disposed between the middle portions of the rack left beam 31 and the rack right beam 32 at a position corresponding to the inner side of the full-pack packing bag conveyor 33 (here and in the above-mentioned concept of the inner side of the full-pack packing bag conveyor 33, the inner chamber wall of the conveyor chamber of the conveyor, the same applies hereinafter); the switching sizing die frame lifting mechanism 5 is fixed with the front side of the left and right displacement switching trolley frame 21 in a longitudinal state at a position corresponding to the position between the front ends of the left and right cross beams 31 and 32 of the conveying frame; the switching sizing die frame 6, the full-package packaging bag switching sizing die 7 and the bag mouth clamping mechanism 8 vertically move to correspond to the upper part of the full-package packaging bag conveying belt 33; the shape and size of the switching sizing die seating cavity 61 is adapted to the full pack bag switching sizing die 7.

Continuing to refer to fig. 1, the conveyor belt driving roller driving device 39 includes a reduction box fixing seat 391, a driving roller driving motor 392, a driving roller driving reduction box 393, a driving roller driving wheel 394, a driving roller driving driven wheel 395 and a driving roller driving transmission belt 396, the reduction box fixing seat 391 is fixed on the left and right displacement switching trolley frame 21 at a position corresponding to the left end of the conveyor belt driving roller 34, the driving roller driving motor 392 is in transmission fit with the driving roller driving reduction box 393 and is fixed on the reduction box fixing seat 391 by the driving roller driving reduction box 393 and the driving roller driving motor 392, the driving roller driving wheel is fixed on a driving roller driving reduction box final stage power output shaft 3931 of the driving roller driving reduction box 393, the driving roller driving driven wheel 395 is fixed on the conveyor belt driving roller left 341 of the conveyor belt driving roller 34, one end of the driving roller driving transmission belt 396 is sleeved on the driving roller driving wheel, the other end is sleeved on a driving roller driving driven wheel 395.

As shown in fig. 1, a reduction gearbox fixing screw adjusting groove 3911 is formed in the reduction gearbox fixing seat 391, a pair of tensioning screw seats 3912 is fixed on one upward side of the left end of the reduction gearbox fixing seat 391, each tensioning screw 39121 is arranged on each tensioning screw seat 3912, the drive roll driving reduction gearbox 393 is fixed with the reduction gearbox fixing seat 391 at a position corresponding to the reduction gearbox fixing screw adjusting groove 3911 through a drive roll reduction gearbox fixing screw 3932, and the front end face of each tensioning screw 39121 contacts with the rear side face of the drive roll driving reduction gearbox 393

In this embodiment, the driving roller driving pulley 394 and the driving roller driving pulley 395 are sprockets, and the driving roller driving belt 396 is a chain. However, if the aforementioned sprocket is replaced with a pulley for the purpose of evading the present invention, and accordingly the chain is replaced with a belt, it should be regarded as a form without substantial equivalent replacement and still fall within the technical scope of the present invention.

When the driving wheel driving motor 392 works, the driving wheel driving motor 392 drives the driving roller driving reduction box 393, the driving roller driving reduction box 393 reduces the speed and the driving roller driving wheel 394 is driven by the driving roller driving reduction box final-stage power output shaft 3931, the driving roller driving driven wheel 395 is driven by the driving roller driving transmission belt 396, the driving roller driving driven wheel 395 drives the conveying belt driving roller left shaft head 341 to rotate the conveying belt driving roller 34, finally the conveying belt driving roller (conveying belt driving roller) drives the full-package packaging bag conveying belt 33 to move around the conveying belt driving roller 34 and the conveying belt driven roller 35, and the full-package packaging bag 10 is conveyed from a station corresponding to the lower part of the open-package filling machine 9, namely a filling station to a station where the vacuumizing sealing mechanism is located.

Continuing to refer to fig. 1 and referring to fig. 2, the aforementioned bag material tapping mechanism 4 includes a vibration plate 41, a vibrator 42, and a pair of vibration spring housing fixing plates 43, the vibration plate 41 corresponds to the inner side of the aforementioned full-package bag conveyor belt 33 in a vertically vibrating state and is located between the middle portions of the aforementioned left and right conveyor beams 31 and 32, the vibrator 42 is fixed to the downward side of the vibration plate 41, the pair of vibration spring housing fixing plates 43 is fixed between the lower edges of the middle portions of the left and right conveyor beams 31 and 32 at a position corresponding to the lower portion of the vibration plate 41 and in a front-to-rear parallel state, a pair of vibration spring housings 431 is fixed to the upward side of each of the pair of vibration spring housing fixing plates 43, a vibration spring housing floating cap 4311 is sleeved on the upper portion of each of the pair of vibration spring housings 431, the vibration spring housing floating cap 4311 is fixed to the aforementioned vibration plate 41 by a floating, wherein a vibration 4312 is respectively arranged in the pair of vibration spring housings 431, and the upper end of the vibration 4312 is supported on the vibration spring housing floating cap 4311; the upper inner side of the full package bag conveyor 33 is in contact with the vibration plate 41.

When the vibrator 42 operates, the vibration plate 41 vibrates, that is, the vibration plate 41 vibrates up and down at a high frequency, and since the vibration spring housing floating cap 4311 is fixed to the vibration plate 41 by the floating cap fixing screw 43111, the vibration spring housing floating cap 4311 covers the vibration spring housing 431, and the vibration spring 4312 is provided in the vibration spring housing 431 and the upper end of the vibration spring 4312 is supported on the vibration spring housing floating cap 4311, it is possible to ensure that the vibration plate 41 has a good vibration effect. Specifically, the full-package packages 10 placed on the full-package conveyor 33 are vibrated by the vibrating plate 41 via the full-package conveyor 33. The full-package packaging bag switching sizing die 7 moves upwards along with the switching sizing die frame 6, the bag mouth clamping mechanism 8 releases the full-package packaging bag, the driving roller driving motor 393 works, the full-package packaging bag conveying belt 33 moves according to the operation, and the full-package packaging bag 10 which is vibrated is sent out to the vacuumizing sealing mechanism.

Continuing with fig. 1 and in conjunction with fig. 2-3, a preferred, but not absolutely limited, configuration of the aforementioned switching sizing die carrier lifting mechanism 5 is as follows: comprises a left longitudinal upright 51, a right longitudinal upright 52, a longitudinal upright upper connecting beam 53, a left connecting rod lifting cylinder 54, a right connecting rod lifting cylinder 55, a left connecting rod 56a, a right connecting rod 56b, a guide roller shaft fixing seat 57 and a pair of guide posts 58, wherein the left longitudinal upright 51 corresponds to the front end of the left cross beam 31 of the conveying frame in a longitudinal state, the lower end of the left longitudinal upright 51 is fixed with a left longitudinal upright fixing seat 511 through a left longitudinal upright fixing bolt 512, the right longitudinal upright 52 corresponds to the front end of the right cross beam 32 of the conveying frame in a longitudinal state, the lower end of the right longitudinal upright 52 is fixed with a right longitudinal upright fixing seat 521 through a right longitudinal upright fixing bolt 522, the left longitudinal upright fixing seat 511 and the right longitudinal upright fixing seat 521 are fixed with the upper part of the front side of the left-right displacement switching trolley frame 21, the longitudinal upright upper connecting beam 53 is fixed between the tops of the left longitudinal upright 51 and the right longitudinal upright, and the left end of the longitudinal upright upper connecting beam 53 protrudes to the left of the left longitudinal upright 51 and the right end protrudes to the right of the right longitudinal upright 52, the left link lifting cylinder 54 is hinged to the left end of the longitudinal upright upper connecting beam 53 in a longitudinal state with the left link lifting cylinder post 541 of the left link lifting cylinder 54 facing downward, the right link lifting cylinder 55 is also hinged to the right end of the longitudinal upright upper connecting beam 53 in a longitudinal state with the right link lifting cylinder post 551 of the right link lifting cylinder 55 facing downward, the upper end of the left link 56a is hinged to the end of the left link lifting cylinder post 541, the upper end of the right link 56b is hinged to the end of the right link lifting cylinder post 551, a pair of guide posts 58 is located between the left longitudinal upright 51 and the right longitudinal upright 52, and the upper ends of the pair of guide posts 58 are fixed to the guide post upper fixing plate 581 and the lower ends thereof are fixed to the guide post lower fixing plate 582, a guide upper fixing plate 581 and a guide lower fixing plate 582 which are vertically fixed between the left vertical column 51 and the right vertical column 52, a guide roller shaft fixing seat 57 which corresponds to a pair of guide posts 58, and the switching and sizing die set 6, the full-pack switching and sizing die 7 and the bag mouth clamping mechanism 8 which correspond to the upper part of the full-pack packing bag conveyor belt 33 are fixed to the guide roller shaft fixing seat 57, and the front end of the switching and sizing die set 6 is connected to the lower ends of the left connecting rod 56a and the right connecting rod 56b, wherein a pair of roller shafts 571 are respectively fixed to the upper part and the lower part of the guide roller shaft fixing seat 57, a guide post engaging roller 5711 is respectively rotatably provided at both ends of the pair of roller shafts 571, and the guide post engaging roller 5711 and the pair of guide posts 58 form a rolling pair; the shape of the switching sizing die holder cavity 61 is rectangular.

The front end of the switching shaping die carrier 6 is provided with a die carrier front beam 62, a left connecting rod connecting seat 621 is fixed on the upward side of the left end of the die carrier front beam 62, a right connecting rod connecting seat 622 is fixed on the upward side of the right end of the front frame beam 62, the left connecting rod connecting seat 621 is fixedly connected with the lower end of the left connecting rod 56a, the right connecting rod connecting seat 622 is fixedly connected with the lower end of the right connecting rod 56b, and the middle part of the front frame beam 62 is fixed with the front side of the guide roller shaft fixing seat 57 through the guide roller shaft fixing seat screw 623, a sizing die front supporting plate 63 and a sizing die rear supporting plate 64 are arranged in the middle of the switching sizing die frame 6, the space between the sizing die front supporting plate 63 and the sizing die rear supporting plate 64 is formed into the switching sizing die seat cavity 61, and a die frame rear beam 65 is arranged at the rear end of the switching sizing die frame 6; the front upper portion (also referred to as "upper front side") of the full package bag switching and sizing die 7 is fixed to the sizing die front support plate 63, and the rear upper portion (also referred to as "upper rear side") of the full package bag switching and sizing die 7 is fixed to the sizing die rear support plate 64; the bag mouth clamping mechanism 8 is disposed between the rear side of the guide roller shaft fixing seat 57 and the die carrier rear beam 65 at a position corresponding to both sides of the switching sizing die seat cavity 61, that is, between the guide roller shaft fixing seat 57 and the die carrier rear beam 65.

When the left and right link lifting/lowering cylinders 54 and 55 are operated (both are operated in synchronization), for example, when the left and right link lifting/lowering cylinder posts 541 and 551 extend downward to the outside of the cylinder, the left link 56a is driven downward by the left link lifting/lowering cylinder post 541, and at the same time, the right link 56b is driven downward by the right link lifting/lowering cylinder post 551. Because the left connecting rod connecting seat 621 on the die frame front beam 62 at the front end of the switching sizing die frame 6 is fixedly connected with the lower ends of the left connecting rod 56a and the right connecting rod 56b, and because the right connecting rod connecting seat 622 on the die frame front beam 62 is fixedly connected with the lower end of the right connecting rod 56b, the switching sizing die frame 6 is driven to descend when the left connecting rod 56a and the right connecting rod 56b descend, and along with the descending of the switching sizing die frame 6, the full-package packaging bag switching sizing die 7 and the mouth clamping mechanism 8 correspondingly descend, and vice versa.

In the present embodiment, the left and right link lifting cylinders 54 and 55 are air cylinders, but if oil cylinders are used, they should be regarded as equivalent.

Continuing with fig. 1 and with reference to fig. 2 to 3, the aforementioned bag mouth clamping mechanism 8 includes a bag mouth rear clamping device 81 provided on the aforementioned mold frame rear beam 65 and corresponding to the rear side of the aforementioned full-envelope bag changeover sizing die 7, and a bag mouth front clamping device 82 provided on the rear side of the aforementioned guide roller shaft holder 57 and corresponding to the bag mouth rear clamping device 81 and having the same structure as the bag mouth rear clamping device 81 and corresponding to the front side of the full-envelope bag changeover sizing die 7, the aforementioned bag mouth rear clamping device 81 includes a bag mouth rear clamping cylinder holder support bracket 811, a bag mouth rear clamping cylinder holder 812, a bag mouth rear clamping cylinder 813, a bag mouth rear clamping bar holder 814, a bag mouth rear clamping bar 815 and a pair of rear guide rods 816, the lower end of the bag mouth rear clamping cylinder holder support bracket 811 is in the middle of the aforementioned mold frame rear beam 65 at a position corresponding to the rear side of the aforementioned full-envelope bag changeover sizing die 7, the bag mouth rear clamping and placing cylinder fixing seat 812 and the bag mouth rear clamping and placing cylinder fixing seat supporting frame 811 are fixed, the bag mouth rear clamping and placing cylinder 813 is fixed with the bag mouth rear clamping and placing cylinder fixing seat 812 in a horizontal state, the bag mouth rear clamping and placing cylinder 8131 of the bag mouth rear clamping and placing cylinder 813 faces forward, the middle of the bag mouth rear clamping and placing rod fixing plate 814 is fixed with the tail end of the bag mouth rear clamping and placing cylinder 8131, namely the front end of the state shown in fig. 1, the left end and the right end of the bag mouth rear clamping and placing rod fixing plate 814 are respectively fixed with the front ends of a pair of rear guide rods 816, the pair of rear guide rods 816 are in sliding fit with the bag mouth rear clamping and placing cylinder fixing seat 812, and the middle of the length direction of the bag mouth rear clamping and placing rod 815 is fixed with the bag mouth rear.

When the clamping and placing cylinder 813 behind the bag mouth works, the clamping and placing cylinder post 8131 behind the bag mouth extends out of the cylinder body to drive the clamping and placing rod fixing plate 814 behind the bag mouth, the clamping and placing rod fixing plate 814 behind the bag mouth drives the clamping and placing rod 815 behind the bag mouth fixed with the clamping and placing rod fixing plate 814, meanwhile, the clamping and placing device 82 in front of the bag mouth works simultaneously, and the clamping and placing rod 821 in front of the bag mouth of the structural system of the clamping and placing device 82 in front of the bag mouth is matched with the clamping and placing rod 815 behind the bag mouth to clamp the bag mouth of the full-packed. Thus, it can be seen that: the motion of the bag mouth rear clamping rod 815 and the bag mouth front clamping rod 821 are shown as opposite displacement or mutual synchronous repulsion. Also shown in fig. 1 and 2 is a pocket front clamping cylinder mount support 822 of the structural system of the pocket front clamping device 82 and affixed to the rear side of the guide roller shaft mount 57 equivalent to the aforementioned pocket rear clamping cylinder mount support 811.

In the present embodiment, the bag mouth front clamping and placing cylinder of the structural system of the bag mouth rear clamping and placing device 81 and the bag mouth front clamping and placing device 82 adopts an air cylinder, but if the air cylinder is replaced by an oil cylinder, the technical means should be regarded as equivalent technical means.

The full-envelope packaging bag switching and sizing die 7, which has been mentioned repeatedly above, is configured with a pocket 71, the pocket 71 penetrating from the upper portion to the lower portion of the full-envelope packaging bag switching and sizing die 7; in addition, as a preferable scheme, a flexible sealing strip is inserted and embedded in the length direction of the forward side of the bag mouth rear clamping rod 815, the flexible sealing strip is a rubber strip, and the bag mouth front clamping rod 821 is the same as the above-mentioned bag mouth front clamping rod.

With reference to fig. 4 and with reference to fig. 1 to 3, fig. 4 shows the above-mentioned open-bag filling machine 9, which open-bag filling machine 9 has a machine frame 91 and a blanking mechanism (also called filling mechanism), to which empty open-bags to be filled are fed by an automatic bag feeder, not shown in fig. 4, belonging to the structural system of the open-bag filling machine 9, and are clamped and opened by a bag clamping device associated with the blanking mechanism and are then raised to a filling position for filling the open-bags. At this time, the left and right displacement switching trolley frame 21 of the structural system of the automatic switching and shaping device of the left side of the position state shown in fig. 4 is shifted to the right to the position corresponding to the blanking mechanism, the blanking mechanism starts to fill the open bag and slowly move down together with the open bag, so that the open bag is conveyed into the bag cavity 71, and the open bag is in a state of filling while vibrating. After filling, the bag clamping device releases the opening of the open bag, namely the clamping on the opening is released, and the opening is clamped by the open bag clamping mechanism 8. At this time, the left-right displacement switching carriage frame 21 moves leftward, the oscillation is terminated, the evacuation mechanism not shown in the figure descends, the bag opening is released, evacuation is performed, the sealing is performed, the evacuation mechanism ascends, the switching sizing die frame 6 ascends, the full-envelope bag temporarily stays on the full-envelope bag conveyor 33, the full-envelope bag conveyor 33 is moved by the operation of the full-envelope bag conveyor 3, and the full-envelope bag 10 is discharged. And then, switching the sizing die frame 6 to descend, and starting to repeat the process. When the left-hand one of the automatic switching shaping devices of the present invention is moved to the left, the right-hand one of the automatic switching shaping devices takes over and corresponds to the station corresponding to the open-mouth bag filler 9, otherwise the same example is applied.

To sum up, the technical solution provided by the present invention remedies the defects in the prior art, successfully completes the invention task, and faithfully embodies the technical effects mentioned in the above technical effect column by the applicant.

Claims (10)

1. An automatic switching and shaping device of an open-bag filling machine is characterized by comprising a chassis (1), wherein the chassis (1) is arranged on a ground of a filling operation place corresponding to the position below the open-bag filling machine (9) in a use state, a chassis front guide rail (11) is formed on the front side of the chassis (1) in the length direction, and a chassis rear guide rail (12) is formed on the rear side of the chassis (1) in the length direction; the front side of the left-right displacement switching trolley (2) and the chassis front guide rail (11) form a rolling pair, and the rear side of the left-right displacement switching trolley (2) and the chassis rear guide rail (12) form a rolling pair; the full-package packaging bag conveying mechanism (3) is fixed on one upward side of the left-right displacement switching trolley (2); the packing bag material compaction mechanism (4), the packing bag material compaction mechanism (4) is arranged on the full packing bag conveying mechanism (3); the switching sizing die frame lifting mechanism (5) is fixed with the front side of the left-right displacement switching trolley (2) in a longitudinal state at the position corresponding to the front end of the full-package packaging bag conveying mechanism (3); the switching sizing die frame (6) corresponds to the upper part of the full-package packaging bag conveying mechanism (3), the front end of the switching sizing die frame (6) is connected with the switching sizing die frame lifting mechanism (5) in a vertically-displaced mode, and the rear end of the switching sizing die frame (6) is formed into a horizontal cantilever end; the full-package packaging bag switching and shaping die (7) is fixed on the switching and shaping die frame (6) and corresponds to the upper part of the packaging bag material compaction mechanism (4); and a bag mouth clamping mechanism (8), wherein the bag mouth clamping mechanism (8) is arranged on the switching sizing die frame (6) at a position corresponding to the switching sizing die (7) of the full-package packaging bag.

2. The automatic switch truing device of an open-pocket filling machine according to claim 1 characterized in that said chassis front rail (11) and said chassis rear rail (12) are parallel to each other front-to-back; the left and right displacement switching trolley (2) comprises a left and right displacement switching trolley frame (21) and a left and right displacement switching trolley driving acting cylinder (22), a switching trolley frame front roller seat (211) is respectively fixed at the left end and the right end of the front side of the left and right displacement switching trolley frame (21), a switching trolley frame front roller (2111) is rotatably arranged on the switching trolley frame front roller seat (211), the switching trolley frame front roller (2111) and the chassis front guide rail (11) form a rolling pair, a switching trolley frame rear roller seat (212) is respectively fixed at the left end and the right end of the rear side of the left and right displacement switching trolley frame (21), a switching trolley frame rear roller (2121) is rotatably arranged on the switching trolley frame rear roller seat (212), the switching trolley frame rear roller (2121) and the chassis rear guide rail (12) form a rolling pair, the left and right displacement switching trolley driving acting cylinder (22) is fixed with the middle part of one downward side of the left and right displacement switching trolley frame (21) in a horizontal state, and a left and right displacement switching trolley driving acting cylinder column (221) of the left and right displacement switching trolley driving acting cylinder (22) faces to the left and is hinged with the left end of the chassis (1); the full-package packaging bag conveying mechanism (3) is fixed on the upward side of the left and right displacement switching trolley frame (21); the packing bag material jolt ramming mechanism (4) is arranged in the middle of the full-package packing bag conveying mechanism (3); the switching sizing die frame lifting mechanism (5) is fixed with the front side of the left and right displacement switching trolley frame (21) in a longitudinal state; a switching sizing die seat falling cavity (61) is formed on the switching sizing die frame (6) and is positioned in the middle of the switching sizing die frame (6); the bag mouth clamping mechanism (8) is arranged on the switching sizing die frame (6) and the switching sizing die frame lifting mechanism (5) at positions corresponding to two sides of the switching sizing die seat falling cavity (61).

3. The automatic switching and shaping device of the open bag filling machine according to claim 2, wherein the full-bag packaging bag conveying mechanism (3) comprises a left conveying frame beam (31), a right conveying frame beam (32), a full-bag packaging bag conveying belt (33), a conveying belt driving roller (34), a driven conveying belt roller (35), a conveying belt carrier roller (36), an upper conveying belt guide roller (37), a lower conveying belt guide roller (38) and a conveying belt driving roller driving device (39), the bottom of the front end and the bottom of the rear end of the left conveying frame beam (31) are respectively fixed to the upward side of the left and right displacement switching trolley frame (2) by a left conveying frame beam supporting and fixing foot (311), the right conveying frame beam (32) corresponds to the right side of the left conveying frame beam (31), and the bottom of the front end and the bottom of the right conveying frame beam (32) are respectively fixed to the left and right displacement switching trolley frame beam supporting and fixing feet through a rear conveying frame beam The upward side of a trolley frame (21) is fixed, the left end of a conveying belt driving roller (34) is rotatably supported on a conveying belt driving roller left shaft head supporting bearing seat (3411) through a conveying belt driving roller left shaft head (341) and extends to the left side of a conveying frame left beam (31), the conveying belt driving roller left shaft head supporting bearing seat (3411) and the rear end of the conveying frame left beam (31) are fixed towards one side of a conveying frame right beam (32), the right end of the conveying belt driving roller (34) is rotatably supported on a conveying belt driving roller right shaft head supporting bearing seat (3421) through a conveying belt driving roller right shaft head (342), the conveying belt driving roller right shaft head supporting bearing seat (3421) and the rear end of the conveying frame right beam (32) are fixed towards one side of the conveying frame left beam (31), the left end of a conveying belt driven roller (35) is rotatably supported on a conveying belt driven roller left shaft head supporting bearing seat (3511) through a conveying belt driven roller left shaft head (351), the left shaft head supporting bearing seat (3511) of the driven roller of the conveying belt is arranged at the front end of the left cross beam (31) of the conveying frame in a front-back displacement adjusting way, the right end of the driven roller (35) of the conveying belt is rotatably supported on the right shaft head supporting bearing seat (3521) of the driven roller of the conveying belt through the right shaft head (352) of the driven roller of the conveying belt, the right shaft head supporting bearing seat (3521) of the driven roller of the conveying belt is arranged at the front end of the right cross beam (32) of the conveying frame in a front-back displacement adjusting way under the state corresponding to the left shaft head supporting bearing seat (3511) of the driven roller of the conveying belt, the carrier roller (36) of the conveying belt is rotatably supported between the left cross beam (31) of the conveying frame and the rear end of the right cross beam (32) of the conveying frame through the supporting bearing seat (361) of the conveying belt under the state corresponding to the front side of the driving roller (34) of the conveying belt, the upper guide roller (37) of the conveying belt is arranged at the position corresponding to the front In the middle, the quantity of conveyer belt lower deflector roll (38) has a pair of parallel back and forth each other, and this pair of conveyer belt lower deflector roll (38) is located between conveyer belt drive roll (34) and conveyer belt passive roll (35) and respectively through conveyer belt lower deflector roll bearing seat (381) support between the bottom of conveyer frame left side crossbeam (31) and conveyer frame right side crossbeam (32), the rear end cover of full package wrapping bag conveyer belt (33) is put on conveyer belt drive roll (34), the front end cover is put on conveyer belt passive roll (35), conveyer belt bearing roller (36) and full package wrapping bag conveyer belt (33) upper portion inboard contact, the conveyer belt on the lower part outside contact of deflector roll (37) and full package wrapping bag conveyer belt (33), conveyer belt lower deflector roll (38) and the lower part inboard contact of full package wrapping bag conveyer belt (33), conveyer belt drive arrangement (39) are in the position setting that corresponds to the left and right sides displacement switches over about the position setting of conveyer belt drive roll (34) The trolley frame (21) is in transmission connection with a left shaft head (341) of the driving roller of the conveying belt; the packing bag material jolt ramming mechanism (4) is arranged between the middle parts of the left cross beam (31) and the right cross beam (32) of the conveying frame at a position corresponding to the inner side of the full-package packing bag conveying belt (33); the switching sizing die frame lifting mechanism (5) is fixed with the front side of the left and right displacement switching trolley frame (21) in a longitudinal state at a position corresponding to the position between the front ends of the left and right cross beams (31, 32) of the conveying frame; the switching sizing die frame (6), the full-package packaging bag switching sizing die (7) and the bag opening clamping mechanism (8) vertically move to correspond to the upper part of the full-package packaging bag conveying belt (33); the size of the switching sizing die seat cavity (61) is matched with the full-package packaging bag switching sizing die (7).

4. The automatic switching and shaping device of the open-pocket filling machine according to claim 3, characterized in that the conveyor belt drive roller driving device (39) comprises a reduction gearbox fixing seat (391), a drive roller driving motor (392), a drive roller driving reduction gearbox (393), a drive roller driving wheel (394), a drive roller driving driven wheel (395) and a drive roller driving transmission belt (396), the reduction gearbox fixing seat (391) is fixed on the left and right displacement switching trolley frame (21) at a position corresponding to the left end of the conveyor belt drive roller (34), the drive roller driving motor (392) is in transmission fit with the drive roller driving reduction gearbox (393), the drive roller driving reduction gearbox (393) and the drive roller driving motor (392) are fixed on the reduction gearbox fixing seat (391), the drive roller driving wheel (394) is fixed on the drive roller driving reduction gearbox power output shaft (3931) of the final drive roller driving reduction gearbox (393), the driving roller driving driven wheel (395) is fixed on a left shaft head (341) of a conveying belt driving roller of the conveying belt driving roller (34), one end of a driving roller driving transmission belt (396) is sleeved on a driving roller driving wheel (394), and the other end of the driving roller driving transmission belt is sleeved on the driving roller driving driven wheel (395).

5. The automatic switching and shaping device of the open bag filling machine according to claim 4, wherein a reduction box fixing screw adjusting groove (3911) is formed in the reduction box fixing seat (391), a pair of tensioning screw seats (3912) are fixed on one upward side of the left end of the reduction box fixing seat (391), a tensioning screw (39121) is respectively arranged on each tensioning screw seat (3912), the drive roll driving reduction box (393) is fixed to the reduction box fixing seat (391) at a position corresponding to the reduction box fixing screw adjusting groove (3911) through a drive roll reduction box fixing screw (3932), and the front end faces of the pair of tensioning screws (39121) are in contact with the rear side face of the drive roll driving reduction box (393); the driving roller driving wheel (394) and the driving roller driving driven wheel (395) are chain wheels, and the driving roller driving transmission belt (396) is a chain.

6. The automatic switching and shaping device of an open-bag filling machine according to claim 3, wherein the packing bag material tamping mechanism (4) comprises a vibration plate (41), a vibrator (42) and a pair of vibration spring housing fixing plates (43), the vibration plate (41) corresponds to the inner side of the full-package packing bag conveying belt (33) and is positioned between the middle parts of the left and right cross beams (31, 32) of the conveying frame, the vibrator (42) is fixed at the downward side of the vibration plate (41), the pair of vibration spring housing fixing plates (43) are fixed between the lower edges of the middle parts of the left and right cross beams (31, 32) of the conveying frame at the position corresponding to the lower part of the vibration plate (41) and in a front-back parallel state, a pair of vibration spring housings (431) are respectively fixed at the upward sides of the pair of vibration spring housing fixing plates (43), a vibration spring housing floating cap (4311) is sleeved on each of the upper parts of the pair of vibration spring housings (431), the vibration spring housing floating cap (4311) is fixed with the vibration plate (41) through a floating cap fixing screw (43111), wherein vibration (4312) is arranged in each of the pair of vibration spring housings (431), and the upper end of the vibration (4312) is supported on the vibration spring housing floating cap (4311); the inner side of the upper part of the full-package packaging bag conveying belt (33) is attached to the vibrating plate (41).

7. The automatic switching and shaping device of an open-pocket filling machine according to claim 3, wherein said switching and shaping die carrier lifting mechanism (5) comprises a left longitudinal column (51), a right longitudinal column (52), a longitudinal column upper connecting beam (53), a left link lifting cylinder (54), a right link lifting cylinder (55), a left link (56a), a right link (56b), a guide roller shaft holder (57), and a pair of guide posts (58), the left longitudinal column (51) corresponds to the front end of said carriage left beam (31) in a longitudinal state, and the lower end of the left longitudinal column (51) is fixed to the left longitudinal column holder (511), the right longitudinal column (52) corresponds to the front end of said carriage right beam (32) in a longitudinal state, and the lower end of the right longitudinal column (52) is fixed to the right longitudinal column holder (521), a left longitudinal upright post fixing seat (511) and a right longitudinal upright post fixing seat (521) are fixed with the upper part of the front side of the left-right displacement switching trolley frame (21), a longitudinal upright post upper connecting beam (53) is fixed between the tops of the left longitudinal upright post (51) and the right longitudinal upright post (52), the left end of the longitudinal upright post upper connecting beam (53) extends out of the left side of the left longitudinal upright post (51), the right end extends out of the right side of the right longitudinal upright post (52), a left connecting rod lifting acting cylinder (54) is hinged with the left end of the longitudinal upright post upper connecting beam (53) in a longitudinal state, a left connecting rod lifting acting cylinder column (541) of the left connecting rod lifting acting cylinder (54) faces downwards, a right connecting rod lifting acting cylinder (55) is hinged with the longitudinal upright post upper connecting beam (53) in a longitudinal state, and the right end of a right connecting rod lifting acting cylinder (551) of the right connecting rod lifting acting cylinder (55) faces downwards, the upper end of a left connecting rod (56a) is hinged with the tail end of a left connecting rod lifting action cylinder column (541), the upper end of a right connecting rod (56b) is hinged with the tail end of a right connecting rod lifting action cylinder column (551), a pair of guide columns (58) are positioned between the left longitudinal upright column (51) and the right longitudinal upright column (52), the upper ends of the pair of guide columns (58) are fixed with an upper guide column fixing plate (581), the lower ends of the pair of guide columns are fixed with a lower guide column fixing plate (582), an upper guide column fixing plate (581) and a lower guide column fixing plate (582) are fixed between the left longitudinal upright column (51) and the right longitudinal upright column (52), a guide roller shaft fixing seat (57) corresponds to a pair of guide columns (58), and the switching shaping die (6) corresponding to the upper part of the full-pack packaging bag conveying belt (33) together with the full-pack die frame switching shaping die (7) and a bag die frame clamping mechanism (8) are fixed with the guide roller shaft fixing seat (57) and switch the The ends of the guide roller shaft fixing seat are also connected with the lower ends of the left connecting rod (56a) and the right connecting rod (56b), wherein a pair of roller shafts (571) are respectively fixed at the upper part and the lower part of the guide roller shaft fixing seat (57), two ends of each pair of roller shafts (571) are respectively and rotatably provided with a guide pillar matching roller (5711), and the guide pillar matching roller (5711) and the pair of guide pillars (58) form a rolling pair; the shape of the switching sizing die seat cavity (61) is rectangular.

8. The automatic switching and shaping device of an open-top bag filling machine according to claim 7, wherein the front end of the switching and shaping mold frame (6) is provided with a mold frame front beam (62), a left connecting rod connecting seat (621) is fixed on the upward side of the left end of the mold frame front beam (62), a right connecting rod connecting seat (622) is fixed on the upward side of the right end of the mold frame front beam (62), the left connecting rod connecting seat (621) is fixedly connected with the lower end of the left connecting rod (56a), the right connecting rod connecting seat (622) is fixedly connected with the lower end of the right connecting rod (56b), the middle part of the mold frame front beam (62) is fixed with the front side of the guide roller shaft fixing seat (57) through a guide roller shaft fixing seat screw (623), the middle part of the switching and shaping mold frame (6) is provided with a shaping mold front supporting plate (63) and a shaping mold rear supporting plate (64), a space between the front sizing die supporting plate (63) and the rear sizing die supporting plate (64) is formed into a switching sizing die base falling cavity (61), and the rear end of the switching sizing die base (6) is provided with a die base rear beam (65); the upper part of the front side of the full-package packaging bag switching and shaping die (7) is fixed with a front supporting plate (63) of the shaping die, and the upper part of the rear side of the full-package packaging bag switching and shaping die (7) is fixed with a rear supporting plate (64) of the shaping die; the bag mouth clamping mechanism (8) is arranged on the rear side of the guide roller shaft fixing seat (57) and the die carrier rear beam (65) at the position corresponding to the two sides of the switching shaping die seat falling cavity (61).

9. The automatic switching and shaping device of an open-mouth bag filling machine according to claim 8, wherein the bag mouth clamping mechanism (8) comprises a bag mouth rear clamping and placing device (81) which is arranged on the die frame rear beam (65) and corresponds to the rear side of the full-package bag switching and shaping die (7) and a bag mouth front clamping and placing device (82) which is arranged on the rear side of the guide roller shaft fixing seat (57) and corresponds to the bag mouth rear clamping and placing device (81) in position and structure to the bag mouth rear clamping and placing device (81) and corresponds to the front side of the full-package bag switching and shaping die (7), the bag mouth rear clamping and placing device (81) comprises a bag mouth rear clamping and placing cylinder fixing seat support frame (811), a bag mouth rear clamping and placing cylinder fixing seat (812), a bag mouth rear clamping and placing cylinder (813), a bag mouth rear clamping and placing rod fixing plate (814), a bag mouth rear clamping and placing rod (815) and a pair of rear guide rods (816), the lower end of the bag mouth rear clamping and releasing cylinder fixing seat support frame (811) is arranged at the position corresponding to the rear side of the full-wrapping packaging bag switching and shaping die (7) at the middle part of the die carrier rear beam (65), the bag mouth rear clamping and releasing cylinder fixing seat (812) and the bag mouth rear clamping and releasing cylinder fixing seat support frame (811) are fixed, the bag mouth rear clamping and releasing cylinder (813) is fixed with the bag mouth rear clamping and releasing cylinder fixing seat (812) in a horizontal state, the bag mouth rear clamping and releasing cylinder column (8131) of the bag mouth rear clamping and releasing cylinder (813) faces forwards, the middle part of the bag mouth rear clamping and releasing rod fixing plate (814) is fixed with the tail end of the bag mouth rear clamping and releasing cylinder column (8131), the left end and the right end of the bag mouth rear clamping and releasing rod fixing plate (814) are respectively fixed with the front ends of a pair of rear guide rods (816), and the pair of rear guide rods (816) are in sliding fit with the bag mouth rear clamping and releasing, the middle part of the bag mouth rear clamping rod (815) in the length direction is fixed with a bag mouth rear clamping rod fixing plate (814).

10. The automatic switching and shaping device of an open-top bag filling machine according to claim 9, wherein the full-package bag switching and shaping die (7) is formed with a pocket (71), and the pocket (71) is communicated from the upper portion to the lower portion of the full-package bag switching and shaping die (7); the clamping acting cylinder (813) behind the bag opening is an air cylinder; a flexible sealing strip is inserted and embedded in the length direction of one side of the clamping rod (815) towards the front behind the bag opening, and the flexible sealing strip is a rubber strip.

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