Mouth bottom sealing reuse type heavy film packaging machine

Abstract

An opening and bottom sealing reuse type heavy film packaging machine belongs to the field of packaging machinery and comprises a machine frame, a film roll mounting frame is arranged on the lower right portion of the rear end of the machine frame, a film supply swing roller set is arranged on the upper front portion of the film roll mounting frame, a liftable heat sealing bag making machine is arranged in front of the film supply swing roller set, and a weighing mechanism is arranged on the left side of the heat sealing bag making machine. A bagging mechanism is arranged on the outer side of a discharging port in the lower portion of the weighing mechanism, the vertical center line of the weighing mechanism coincides with the vertical center line of the bagging mechanism, a transfer trolley capable of horizontally moving left and right is arranged under the heat-sealing bag making machine and the bagging mechanism, and a bag opening clamping mechanism is arranged at the upper end of the transfer trolley. When the heat-seal bag making machine is located at the upper position, thin film feeding, bottom seal heat sealing and thin film cutting are completed so that empty bags can be made, and when the heat-seal bag making machine is located at the lower position, full bags which are conveyed into the heat-seal bag making machine after being loaded are subjected to heat sealing. The film roll packaging machine is an integrated packaging machine, meets the requirement for film roll bag supply, and meanwhile is smaller in overall occupied space and lower in production cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of bottom sealing and multipurpose heavy film packaging machine, belong to packaging machinery field. BACKGROUND

[0002] In the automatic packaging field, for the material (such as modified plastics) that packaging speed requirement is not high, generally adopt preform bag supply bag form, the production cost of this kind of bag supply mode is high, and it needs artificial to continuously replenish preform bag stack into bag storage warehouse in production process, and personnel labor intensity is big;Existing film roll preform bag supply form can reduce empty bag cost and labor cost, but its bottom sealing, bagging, mouth sealing and other process steps need to be arranged in series, which leads to large overall land occupation of equipment, complex structure, high equipment cost, and cannot be applied to narrow space, and cannot meet the actual demand of low equipment cost. UTILITY MODEL CONTENTS

[0003] In order to solve the problem that the existing film roll preform bag packaging machine occupies large space and has high equipment cost due to serial arrangement of process steps, the utility model provides a bottom sealing and multipurpose heavy film packaging machine, which comprises a rack 1, a film roll mounting rack 2 is arranged at the lower right part of the rear end of the rack 1, a film supply oscillating roller set 3 is arranged above the front of the film roll mounting rack 2, a heat sealing bag making machine 5 that can be lifted is arranged in front of the film supply oscillating roller set 3, the film supply oscillating roller set 3 and the heat sealing bag making machine 5 are connected to the middle part of the rack 1, a weighing mechanism 6 is arranged on the left side of the heat sealing bag making machine 5, the upper part of the weighing mechanism 6 is connected to the upper end of the rack 1, a bagging mechanism 9 is arranged outside the lower discharge port of the lower part of the weighing mechanism 6, and the vertical center lines of the weighing mechanism 6 and the bagging mechanism 9 coincide, a transfer trolley 8 that can move left and right horizontally is arranged below the heat sealing bag making machine 5 and the bagging mechanism 9, a bag mouth clamping mechanism 7 is arranged on the upper end of the transfer trolley 8, when the heat sealing bag making machine 5 is in the upper position, the film feeding, bottom sealing and film cutting are completed to make an empty bag A, and when the heat sealing bag making machine 5 is in the lower position, the full bag B that is transferred into the heat sealing bag making machine 5 after being filled is heat sealed.

[0004] A film roll deviation correcting instrument 4 is arranged above the heat sealing bag making machine 5, the film roll deviation correcting instrument 4 is connected to the rack 1, a deviation correcting roller is arranged on the film roll deviation correcting instrument 4, the film roll deviation correcting instrument 4 monitors the left and right positions of the current film in real time and controls the deviation correcting roller to swing to correct the film position.

[0005] The heat sealing bag making machine 5 comprises a hanging bracket 51, the upper end of the hanging bracket 51 is connected to the rack 1, a lifting cylinder 52 is arranged on the hanging bracket 51, the cylinder rod of the lifting cylinder 52 is connected to the upper end of a heat sealing mechanism 53, the lifting cylinder 52 drives the heat sealing mechanism 53 to realize vertical lifting, a pair of film feeding roller sets 55 is symmetrically arranged on the upper part of the heat sealing mechanism 53, the left and right ends of the film feeding roller sets 55 are respectively hinged to the hanging bracket 51, and the film feeding roller sets 55 are driven by a film feeding motor 56 to realize synchronous counterclockwise rotation.

[0006] The heat sealing mechanism 53 comprises a frame body 531, the upper end of which is hinged to the cylinder rod of the lifting cylinder 52, the lower part of the rear side of the frame body 531 is sequentially connected from top to bottom with a first heat sealing plate 532, a horizontally movable cutter 534, and a first clamping plate 533, the upper end of the first clamping plate 533 is provided with a first cooling blowing pipe 536, the lower part of the front side of the frame body 531 is respectively provided opposite to the first heat sealing plate 532, the first cooling blowing pipe 536, and the first clamping plate 533 with a second heat sealing plate 538, a second cooling blowing pipe 536A, and a second clamping plate 537, the second cooling blowing pipe 536A is arranged at the upper end of the second clamping plate 537, the second heat sealing plate 538 is hinged to the cylinder rod of a heat sealing cylinder 538A, the cylinder body of the heat sealing cylinder 538A is hinged to a mounting frame 539, the mounting frame 539 is connected to the lower part of the front side of the frame body 531, the heat sealing cylinder 538A drives the second heat sealing plate 538 to move horizontally forward and backward to realize the closing heat sealing, the second clamping plate 537 is connected to the cylinder rod of a clamping cylinder 537A, the cylinder body of the clamping cylinder 537A is hinged to the mounting frame 539, the clamping cylinder 537A drives the second clamping plate 537 to move horizontally forward and backward to realize the clamping closing.

[0007] The left end of the first clamping plate 533 and the second clamping plate 537 is provided with a bag mouth guide plate 535 in the shape of a splayed end.

[0008] The film feeding roller group 55 is provided with at least one set of opposite grooves, the grooves are provided with a blowing pipe guide mechanism 54 which is symmetrically arranged vertically, the upper end of the blowing pipe guide mechanism 54 is connected to the upper end of the heat sealing mechanism 53.

[0009] The transfer trolley 8 comprises a base 81, the base 81 is provided with a horizontal moving mechanism 82, the horizontal moving trolley of the horizontal moving mechanism 82 is provided with a material overturning and bag overturning mechanism, the upper end of the material overturning and bag overturning mechanism is provided with a bag mouth clamping mechanism 7.

[0010] The material overturning and bag overturning mechanism comprises an elevator 83, the lifting frame of the front part of the elevator 83 is hinged to the lower end of the front part of a turnover table 85, the rear end of the turnover table 85 is hinged to the cylinder rod of a turnover cylinder 84, the cylinder body of the turnover cylinder 84 is hinged to the rear end of the lifting frame, the turnover cylinder 84 drives the turnover table 85 to realize the forward overturning action.

[0011] The bag mouth clamping mechanism 7 comprises a clamping connecting frame 71, the lower end of the clamping connecting frame 71 is connected to the upper end of the material overturning and bag overturning mechanism, the clamping connecting frame 71 is provided with a synchronous connecting rod mechanism 72, the front end of the synchronous connecting rod mechanism 72 is symmetrically provided with two sets of pneumatic clamping jaws 74, the rear end of the synchronous connecting rod mechanism 72 is hinged to one end cylinder rod of a double stroke cylinder 73 which is horizontally arranged, the other end cylinder rod of the double stroke cylinder 74 is hinged to the clamping connecting frame 71, when the pneumatic clamping jaws 74 clamp the bag mouth, the double stroke cylinder 73 drives the synchronous connecting rod mechanism 72 to realize the shrinking action of the bag mouth.

[0012] The weighing mechanism 6 comprises a feeding tank 61 connected to the rack 1, and a scale hopper mechanism 62 provided at the lower end of the feeding tank 61 and coinciding with the vertical center line of the feeding tank 61.

[0013] The feeding tank 61 comprises a support frame 611 connected to the rack 1 at the lower end, and an arc-shaped material door 612 hingedly connected to the front and rear ends of the middle part of the support frame 611. An upper end of a feeding hopper 614 is connected to the support frame 611, and a lower end of the feeding hopper 614 is in an arc-shaped structure matched with the arc-shaped material door 612. The arc-shaped material door 612 is driven to swing by a material door driving mechanism 613 to realize coarse and fine feeding actions.

[0014] The scale hopper mechanism 62 is provided with a material level detection sensor, which monitors the material level height information in the scale hopper mechanism 62 after the weighing is completed to the system. The system automatically judges the change of the different material accumulation densities, and determines the film bag specification suitable for the packaging material this time through comparison, and automatically adjusts the bag making parameters and packaging parameters.

[0015] The bagging mechanism 9 comprises a lifting and discharging cylinder 93 located outside the discharge port of the lower part of the weighing mechanism 6. The lifting and discharging cylinder 93 is driven to vertically lift by a lifting and discharging cylinder 91. A cylinder body of the lifting and discharging cylinder 91 is connected to a bagging hanger 92, and the bagging hanger 92 is connected to the rack 1. The bagging hanger 92 is also provided with an opening bag mechanism 94 symmetrically arranged along the vertical center of the lifting and discharging cylinder 93.

[0016] The utility model discloses the following beneficial effects:

[0017] A. Utilize the rack 1 on the layout compact lifting type heat sealing bag making machine 5, weighing mechanism 6, transfer trolley 8, bag mouth clamping mechanism 7, bagging mechanism 9, can realize film roll bag making bottom seal and full bag mouth seal two actions in the same position heat sealing bag making machine 5 complete, shorten the length of equipment arrangement, reduce the equipment production cost, weighing mechanism 6 is directly installed on the rack, also can make weighing and packaging equipment more integrated integration, reduce the overall height of equipment, the packaging machine not only satisfies the bag supply form of film roll bag making, also can make the overall space occupation is small, the application occasion is many, can integral shipment and installation, guarantee the stable reliability of equipment.

[0018] B. Utilize the film roll deviation instrument 4 that the upper heat sealing bag making machine 5 is equipped with, can real-time control and keep the film bag in the middle, avoid the adverse effect of the bag making quality difference that the film bag deviation brings.

[0019] C. Utilize the clamping heat sealing structure that can unilateral independent movement in heat sealing mechanism 53, avoid the problem of poor synchronism of double swing type heat sealing mechanism, improve the heat sealing stability, and its structure is simple, and the maintenance cost is low.

[0020] D. By using the blow pipe guide mechanism 54 provided in the groove of the film feeding roller set 55, the film bag entering the film feeding roller set 55 can be blown to keep the film bag always in a vertical state, avoiding the problem of bag bottom deviation when descending after the bottom sealing is completed, which cannot be stably clamped. It also further avoids the problem of scratching the one-side fixed clamping and heat sealing structure when the film bag is descending, which causes the film bag to be unable to be quickly and stably fed into place, affecting the bag making efficiency.

[0021] E. By using the elevator 8 and the turnover table 85 provided on the material overturning and bagging mechanism, and the close cooperation with the bag mouth clamping mechanism 7, the air in the bag can be quickly removed during the filling process, the material bag is solid, and the material overflow is prevented. In addition, the height of the turnover table 85 can be automatically adjusted according to the change of the bag making length specification to cooperate with the heat sealing mechanism 53 lowered to the lower position to meet the sealing height requirement of the bag mouth. In addition, the rotatable turnover table 85 can quickly lay down the sealed full bag B, which improves the overall packaging efficiency while keeping the layout compact.

[0022] F. By using the double-stroke air cylinder 73 provided on the bag mouth clamping mechanism 7 to drive the synchronous connecting rod mechanism 72, the inward shrinking action of the bag mouth after clamping both ends of the bag mouth can be realized to adapt to the lifting and material dropping cylinder 93, reducing the overflow of material or dust during discharging. After the discharging is completed, the clamped bag mouth can be flattened in time to provide reliable guarantee for the subsequent good sealing.

[0023] G. By using the material level detection sensor provided in the weighing hopper mechanism 62, the material level height in the weighing hopper after the weighing is completed is monitored, so that the system can judge the change of the packing material accumulation density, determine the suitable film specification for this time of packing material through intelligent comparison, automatically adjust the bag making parameters and packaging parameters, and the system synchronously controls the film feeding motor 56 to drive the film feeding roller set 55 to feed the film parameters, so as to realize the precise intelligent adjustment of the bag making specification and improve the intelligence of the equipment.

[0024] H. By using the full-flow structure of the feeding tank 61 and the weighing hopper mechanism 62 provided on the weighing mechanism 6, the material channel has no dead angle, and when different varieties and specifications of materials are switched, quick and efficient cleaning and blowing can be realized to ensure no residual material, so that the packaging machine can be compatible with packaging multiple materials while avoiding the influence of mixed materials on packaging quality, improving the reliability of the packaging machine.

[0025] I. During the packaging work, the cutter 534 moves horizontally to cut the film to make an empty bag A, and at the same time, the first heat sealing plate 532 and the second heat sealing plate 538 of the heat sealing bag making machine 5 are closed and heated to complete the bottom sealing of the next film. After the sealing of the full bag B, it can be separated from the heat sealing bag making machine 5 to make the next empty bag A, so that the overall packaging rhythm is compact and can achieve maximum efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is the three-dimensional axonometric view of the present application.

[0027] Figure 2 is the front view of the present application.

[0028] Figure 3 is the structural schematic view of the heat-sealing bag making machine 5.

[0029] Figure 4 is the structural schematic view of the heat-sealing mechanism 53.

[0030] Figure 5 is the structural schematic view of the transfer trolley 8.

[0031] Figure 6 is the structural schematic view of the bag mouth clamping mechanism 7.

[0032] Figure 7 is the structural schematic view of the weighing mechanism 6 and the bag filling mechanism 9.

[0033] Figure 8 is the structural schematic view of the feeding tank 61.

[0034] Figure 9 is the state schematic view of making empty bag.

[0035] Figure 10 is the state schematic view of discharging full bag.

[0036] Figure 11 is the state schematic view of full bag sealing. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and beneficial effects of the present application more clear, the embodiments of the present application are described in detail below with reference to the drawings, the embodiments are exemplary, and are intended to explain the present application, and cannot be understood as the limitation of the present application.

[0038] Referring to Figures 1-8The utility model relates to a bottom sealing and multi-film packaging machine, which comprises a frame 1, a film roll mounting frame 2 arranged at the lower right end of the rear end of the frame 1, a film oscillating roller set 3 arranged above the front end of the film roll mounting frame 2, a heat sealing bag making machine 5 arranged in front of the film oscillating roller set 3, the film oscillating roller set 3 and the heat sealing bag making machine 5 being connected to the middle part of the frame 1, a weighing mechanism 6 arranged at the left side of the heat sealing bag making machine 5, the upper part of the weighing mechanism 6 being connected to the upper end of the frame 1, a bag filling mechanism 9 arranged at the lower part of the weighing mechanism 6, the vertical center lines of the weighing mechanism 6 and the bag filling mechanism 9 coinciding with each other, a transfer trolley 8 horizontally movable leftward and rightward arranged below the heat sealing bag making machine 5 and the bag filling mechanism 9, a bag mouth clamping mechanism 7 arranged at the upper end of the transfer trolley 8, the heat sealing bag making machine 5 being in an upper position to complete the film feeding, bottom sealing and film cutting so as to make an empty bag A, and the heat sealing bag making machine 5 being in a lower position to seal the filled bag B transferred into the heat sealing bag making machine 5.

[0039] Further, a film roll deviation correcting instrument 4 is arranged above the heat sealing bag making machine 5, the film roll deviation correcting instrument 4 being connected to the frame 1, a deviation correcting roller being arranged on the film roll deviation correcting instrument 4, the film roll deviation correcting instrument 4 monitoring the left and right positions of the current film in real time and correcting the film position by swinging the deviation correcting roller under the control of the system.

[0040] Further, the heat sealing bag making machine 5 comprises a hanging bracket 51, the upper end of the hanging bracket 51 being connected to the frame 1, a lifting cylinder 52 being arranged on the hanging bracket 51, the cylinder rod of the lifting cylinder 52 being connected to the upper end of a heat sealing mechanism 53, the lifting cylinder 52 driving the heat sealing mechanism 53 to realize vertical lifting, a pair of film feeding roller sets 55 being symmetrically arranged at the upper part of the heat sealing mechanism 53, the left and right ends of the film feeding roller sets 55 being respectively hinged to the hanging bracket 51, the film feeding roller sets 55 being driven by a film feeding motor 56 to realize synchronous counterclockwise rotation.

[0041] Preferably, the heat sealing mechanism 53 comprises a frame body 531, the upper end of which is hinged to the cylinder rod of the lifting cylinder 52, the rear lower part of the frame body 531 is sequentially connected from top to bottom with a first heat sealing plate 532, a horizontally movable cutter 534 and a first clamping plate 533, the upper end of the first clamping plate 533 is provided with a first cooling blowing pipe 536, the front lower part of the frame body 531 is respectively provided opposite to the first heat sealing plate 532, the first cooling blowing pipe 536 and the first clamping plate 533 with a second heat sealing plate 538, a second cooling blowing pipe 536A and a second clamping plate 537, the second cooling blowing pipe 536A is arranged at the upper end of the second clamping plate 537, the second heat sealing plate 538 is hinged to the cylinder rod of a heat sealing cylinder 538A, the cylinder body of the heat sealing cylinder 538A is hinged to a mounting frame 539, the mounting frame 539 is connected to the front lower part of the frame body 531, the heat sealing cylinder 538A drives the second heat sealing plate 538 to move horizontally forward and backward to realize closed heat sealing, the second clamping plate 537 is connected to the cylinder rod of a clamping cylinder 537A, the cylinder body of the clamping cylinder 537A is hinged to the mounting frame 539, the clamping cylinder 537A drives the second clamping plate 537 to move horizontally forward and backward to realize clamping closure; the cutter 534 is connected to the sliding seat of a rodless cylinder, the rodless cylinder drives the cutter 534 to move horizontally left and right, during bottom sealing, the clamping cylinder 537A drives the second clamping plate 537 to move horizontally backward to realize thin film clamping closure, at the same time, the heat sealing cylinder 538A drives the second heat sealing plate 538 to move horizontally backward to realize thin film closure and heating after closure; during bag cutting and bag making, the film bag that has been bottom sealed is fed to the corresponding bag making specification position by the film feeding roller group 55 driven by the film feeding motor 56, and then the above-mentioned action during bottom sealing is performed, at this time, the rodless cylinder drives the cutter 534 to move horizontally left and right to cut the thin film, realizing the making of an empty bag A and also completing the bottom sealing of the next empty bag A; the first cooling blowing pipe 536 and the second cooling blowing pipe 536A timely blow air for cooling during mouth bottom sealing.

[0042] Further, the left end of the first clamping plate 533 and the second clamping plate 537 is provided with a bag mouth guide plate 535 in the shape of a splayed foot; the clamped bag mouth enters and exits the heat sealing mechanism 53 from the bag mouth guide plate 535 in the shape of a splayed foot.

[0043] Further, at least one set of opposite grooves is arranged on the film feeding roller group 55, a blowing pipe guide mechanism 54 that is symmetrical front and back and vertically arranged is arranged in the grooves, the upper end of the blowing pipe guide mechanism 54 is connected to the upper end of the heat sealing mechanism 53; the blowing pipe guide mechanism 54 blows air to the film bag entering the film feeding roller group 55 to make the film bag always keep vertical descending.

[0044] Further, the transfer trolley 8 comprises a base 81, the base 81 is provided with a horizontal moving mechanism 82, the horizontal moving trolley of the horizontal moving mechanism 82 is provided with a material overturning and bag overturning mechanism, the upper end of the material overturning and bag overturning mechanism is provided with a bag mouth clamping mechanism 7; the horizontal moving mechanism 82 is preferably a cylinder driven synchronous belt to realize horizontal moving structure.

[0045] Further, the said tipping and bag-inverting mechanism comprises a lifter 83, the front lifting frame of which is hinged to the front lower end of the turning table 85, the rear end of the turning table 85 is hinged to the cylinder rod of the turning cylinder 84, the cylinder body of the turning cylinder 84 is hinged to the rear end of the lifting frame, and the turning cylinder 84 drives the turning table 85 to realize the forward turning action; the said lifter is preferably a cylinder-driven synchronous belt to realize the vertical lifting structure.

[0046] Further, the said bag mouth clamping mechanism 7 comprises a clamping connecting frame 71, the lower end of which is connected to the upper end of the tipping and bag-inverting mechanism, and a synchronous linkage mechanism 72 is arranged on the clamping connecting frame 71, two groups of pneumatic clamping jaws 74 are symmetrically arranged on the front end of the synchronous linkage mechanism 72, the rear end of the synchronous linkage mechanism 72 is hinged to one end of the cylinder rod of the double-stroke cylinder 73 arranged horizontally, the other end of the cylinder rod of the double-stroke cylinder 73 is hinged to the clamping connecting frame 71, and the double-stroke cylinder 73 drives the synchronous linkage mechanism 72 to realize the shrinking action of the bag mouth when the pneumatic clamping jaws 74 clamp the bag mouth; the design of the said synchronous linkage mechanism 72 is prior art, which will not be described here.

[0047] Further, the said weighing mechanism 6 comprises a feeding tank 61, which is connected to the rack 1, and a scale hopper mechanism 62 arranged at the lower end of the feeding tank 61, which is coincident with the vertical center line of the feeding tank 61; the said scale hopper mechanism 62 is an electronic quantitative scale structure of prior art.

[0048] Further, the said feeding tank 61 comprises a support frame 611, the lower end of which is connected to the rack 1, and the middle front and rear ends of the support frame 611 are hinged to the arc-shaped material door 612, an upper end of which is connected to the support frame 611, and the lower end of the feeding tank 614 is an arc-shaped structure matched with the arc-shaped material door 612, and the arc-shaped material door 612 is driven to swing by the material door driving mechanism 613 to realize the coarse and fine feeding action; the said material door driving mechanism 613 is preferably a double-cylinder synchronous linkage driving structure to realize the large and small angles of the swing of the arc-shaped material door 612.

[0049] Further, a material level detection sensor is arranged in the said scale hopper mechanism 62 to monitor the material level height information in the scale hopper mechanism 62 to the system after the weighing is completed, the system automatically judges the change of the different material accumulation densities, and determines the film bag specification suitable for the packaging material this time through comparison, and automatically adjusts the bag-making parameters and the packaging parameters.

[0050] Further, the bagging mechanism 9 comprises a lifting material dropping cylinder 93 located outside the discharge port of the lower part of the weighing mechanism 6, the lifting material dropping cylinder 93 is driven to realize vertical lifting by a lifting material dropping cylinder 91, the cylinder body of the lifting material dropping cylinder 91 is connected to a bagging hanger 92, the bagging hanger 92 is connected to the rack 1, and the bagging hanger 92 is also provided with a bag opening mechanism 94 arranged symmetrically along the vertical center of the lifting material dropping cylinder 93; the bag opening mechanism 94 is preferably a suction disc horizontal movement bag opening structure driven by a cylinder.

[0051] Referring to Figures 1-11 , the working principle of the utility model is described, which comprises the following steps:

[0052] S1, making an empty bag: the heat sealing bag making machine 5 is lifted to an upper position, the film roll on the film roll mounting frame 2 enters the heat sealing bag making machine 5, the film feeding roller group 55 feeds the film by a set length downwards, the heat sealing mechanism 53 completes the heat sealing of the bag bottom, and at the same time, the bag mouth clamping mechanism 7 is clamped at the left and right ends of the film, the cutter 534 moves horizontally to cut off the film, and the making of the empty bag A is completed;

[0053] S2, discharging and bagging: the transfer trolley 8 drives the clamped empty bag A to move to the lower part of the bagging mechanism 9, the bagging mechanism 9 opens the bag mouth to discharge and bag, and after the discharging is completed, the full bag B is formed;

[0054] S3, full bag sealing: the transfer trolley 8 drives the clamped full bag B to move into the heat sealing bag making machine 5, and the heat sealing bag making machine 5, which has been lowered to a lower position, seals the full bag B.

[0055] After the S3 full bag sealing step, S4 full bag turning is performed: the bag mouth clamping mechanism 7 is opened, the turnover cylinder 84 drives the turnover table 85 loaded with the full bag B to turn forward to place the full bag B on the conveyor, and the next process is entered.

[0056] In the S1 empty bag making step, the film enters the heat sealing bag making machine 5 through the film roll swing roller group 3 and the film roll deviation correcting instrument 4, the film roll deviation correcting instrument 4 monitors the left and right positions of the current film in real time, and the deviation correcting roller is swung to correct the film bag position to the center by the system control.

[0057] In the S2 discharging and bagging step, the bag opening mechanism 94 in the bagging mechanism 9 opens the bag mouth, the double-stroke cylinder 73 is retracted by two strokes to drive the synchronous connecting rod mechanism 72 to synchronously retract the bag mouth clamped by the pneumatic clamping jaw 74, the lifting material dropping cylinder 91 is lowered to insert into the bag mouth to start discharging, and the elevator 83 drives the turnover table 85 to repeatedly lift and lower to perform the bag bottom overturning action during the discharging process.

[0058] In the step of making the empty bag A, the cutter 534 horizontally moves to cut the film to make the empty bag A, and the first heat sealing plate 532 and the second heat sealing plate 538 on the heat sealing bag machine 5 are closed to heat and complete the bottom sealing of the next film. After the sealing of the full bag B, the heat sealing bag machine 5 is separated, and the next empty bag A can be made.

Claims

1. A combined floor sealing and heavy film wrapping machine comprising a frame (1), characterised in that: The lower right part of the rear end of the rack (1) is provided with a film roll mounting rack (2), the upper front of the film roll mounting rack (2) is provided with a film swing roller set (3), the front of the film swing roller set (3) is provided with a heat sealing bag making machine (5) which can be lifted, the film swing roller set (3) and the heat sealing bag making machine (5) are connected in the middle part of the rack (1), the left side of the heat sealing bag making machine (5) is provided with a weighing mechanism (6), the upper part of the weighing mechanism (6) is connected to the upper end of the rack (1), the lower part of the weighing mechanism (6) is provided with a bagging mechanism (9) outside the discharge port, and the vertical center lines of the weighing mechanism (6) and the bagging mechanism (9) coincide, the heat sealing bag making machine (5) and the bagging mechanism (9) below are provided with a transfer trolley (8) which can move left and right horizontally, the upper end of the transfer trolley (8) is provided with a bag opening clamping mechanism (7), when the heat sealing bag making machine (5) is in the upper position, the film feeding, bottom sealing and film cutting are completed to make an empty bag (A), when the heat sealing bag making machine (5) is in the lower position, the full bag (B) which is transferred into the heat sealing bag making machine (5) after being filled is heat sealed.

2. The floor occlusion and heavy film overwrap machine of claim 1, wherein: The upper part of the heat sealing bag making machine (5) is provided with a film roll deviation correcting instrument (4), the film roll deviation correcting instrument (4) is connected to the rack (1), the film roll deviation correcting instrument (4) is provided with a deviation correcting roller, the film roll deviation correcting instrument (4) monitors the left and right positions of the current film in real time and corrects the deviation of the roller to find the position of the film.

3. The floor occlusion and heavy film overwrap packaging machine of claim 1, wherein: The heat sealing bag making machine (5) comprises a hanging bracket (51), the upper end of the hanging bracket (51) is connected to the rack (1), the hanging bracket (51) is provided with a lifting cylinder (52), the cylinder rod of the lifting cylinder (52) is connected to the upper end of a heat sealing mechanism (53), the lifting cylinder (52) drives the heat sealing mechanism (53) to realize vertical lifting, a pair of film feeding roller sets (55) are symmetrically arranged on the upper part of the heat sealing mechanism (53), the left and right ends of the film feeding roller sets (55) are respectively hinged to the hanging bracket (51), the film feeding roller sets (55) are driven by a film feeding motor (56) to realize synchronous counterclockwise rotation.

4. The floor occlusion and heavy film overwrap machine of claim 3, wherein: The heat sealing mechanism (53) comprises a frame body (531), the upper end of the frame body (531) is hinged to the cylinder rod of the lifting cylinder (52), the rear lower part of the frame body (531) is sequentially connected from top to bottom with a first heat sealing plate (532), a left-right horizontally movable cutter (534) and a first clamping plate (533), the upper end of the first clamping plate (533) is provided with a first cooling blowing pipe (536), the front lower part of the frame body (531) is respectively provided opposite to the first heat sealing plate (532), the first cooling blowing pipe (536) and the first clamping plate (533) with a second heat sealing plate (538), a second cooling blowing pipe (536A) and a second clamping plate (537), the second cooling blowing pipe (536A) is arranged on the upper end of the second clamping plate (537), the second heat sealing plate (538) is hinged to the cylinder rod of a heat sealing cylinder (538A), the cylinder body of the heat sealing cylinder (538A) is hinged to a mounting frame (539), the mounting frame (539) is connected to the front lower part of the frame body (531), the heat sealing cylinder (538A) drives the second heat sealing plate (538) to move horizontally forward and backward to realize closed heat sealing, the second clamping plate (537) is connected to the cylinder rod of a clamping cylinder (537A), the cylinder body of the clamping cylinder (537A) is hinged to the mounting frame (539), the clamping cylinder (537A) drives the second clamping plate (537) to move horizontally forward and backward to realize clamping closing, and the left end of the first clamping plate (533) and the second clamping plate (537) is provided with a bag mouth guide plate (535) in the shape of a splayed end.

5. The floor occlusion and heavy film overwrap packaging machine of claim 3, wherein: The film feeding roller group (55) is provided with at least one set of opposite grooves, and the grooves are provided with front-rear symmetrical and vertically arranged blowing pipe guide mechanisms (54), the upper end of the blowing pipe guide mechanism (54) is connected to the upper end of the heat sealing mechanism (53).

6. The floor seal and heavy film overwrapper of claim 1, wherein: The transfer trolley (8) comprises a base (81), the base (81) is provided with a horizontal movement mechanism (82), the horizontal movement mechanism (82) is provided with a material overturning and bag overturning mechanism on the horizontal movement trolley, the upper end of the material overturning and bag overturning mechanism is provided with a bag mouth clamping mechanism (7), the material overturning and bag overturning mechanism comprises an elevator (83), the front lifting frame of the elevator (83) is hinged to the front lower end of a turnover table (85), the rear end of the turnover table (85) is hinged to the cylinder rod of a turnover cylinder (84), the cylinder body of the turnover cylinder (84) is hinged to the rear end of the lifting frame, and the turnover cylinder (84) drives the turnover table (85) to realize the forward overturning action.

7. The floor seal and heavy film overwrapper of claim 1, wherein: The bag mouth clamping mechanism (7) comprises a clamping connecting frame (71), the clamping connecting frame (71) is provided with a synchronous connecting rod mechanism (72), the front end of the synchronous connecting rod mechanism (72) is provided with two sets of pneumatic clamping jaws (74) which are left-right symmetrical, the rear end of the synchronous connecting rod mechanism (72) is hinged to one end of the cylinder rod of a double-stroke cylinder (73) which is horizontally arranged, the other end of the cylinder rod of the double-stroke cylinder (73) is hinged to the clamping connecting frame (71), and when the pneumatic clamping jaws (74) clamp the bag mouth, the double-stroke cylinder (73) drives the synchronous connecting rod mechanism (72) to realize the shrinking action of the bag mouth.

8. The floor seal and heavy film overwrapper of claim 1, wherein: The weighing mechanism (6) includes a feeding tank (61) connected to the rack (1), and a scale hopper mechanism (62) is arranged at the lower end of the feeding tank (61) and coincides with the vertical center line of the feeding tank (61), and a material level detection sensor is arranged in the scale hopper mechanism (62), which monitors the material level height information in the scale hopper mechanism (62) after the weighing is completed to the system, and the system automatically judges the change of the different material bulk density, and determines the suitable film bag specification of the packaging material this time through comparison, and automatically adjusts the bag making parameters and packaging parameters.

9. The floor seal and heavy film overwrapper machine of claim 8, wherein: The feeding tank (61) includes a support frame (611) connected to the rack (1) at the lower end, and the middle part of the support frame (611) is hingedly connected to the front and rear ends of the arc-shaped material door (612), and the arc-shaped material door (612) is provided with a feeding hopper (614) above, and the upper end of the feeding hopper (614) is connected to the support frame (611), and the lower end of the feeding hopper (614) is an arc-shaped structure matched with the arc-shaped material door (612), and the arc-shaped material door (612) is driven to swing by the material door driving mechanism (613) to realize coarse and fine feeding actions.

10. The floor seal and heavy film overwrapper of claim 1, wherein: The bagging mechanism (9) includes a lifting and discharging cylinder (93) located outside the discharge port of the weighing mechanism (6), and the lifting and discharging cylinder (93) is driven to vertically lift by a lifting and discharging cylinder (91), and the cylinder body of the lifting and discharging cylinder (91) is connected to a bagging hanger (92), and the bagging hanger (92) is connected to the rack (1), and the bagging hanger (92) is also provided with a bag opening mechanism (94) symmetrically arranged along the vertical center of the lifting and discharging cylinder (93).

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