CN112937990A - E-commerce express bag packaging device and express bag packaging method - Google Patents
E-commerce express bag packaging device and express bag packaging method Download PDFInfo
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- CN112937990A CN112937990A CN202110466074.4A CN202110466074A CN112937990A CN 112937990 A CN112937990 A CN 112937990A CN 202110466074 A CN202110466074 A CN 202110466074A CN 112937990 A CN112937990 A CN 112937990A
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 238000003825 pressing Methods 0.000 claims abstract description 49
- 238000005520 cutting process Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 238000000605 extraction Methods 0.000 claims description 22
- 239000004033 plastic Substances 0.000 claims description 21
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 14
- 238000012546 transfer Methods 0.000 claims description 8
- 238000005056 compaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000000740 bleeding effect Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 206010021143 Hypoxia Diseases 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000012858 packaging process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
- B65B31/043—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzles acting horizontally between an upper and a lower part of the container or wrapper, e.g. between container and lid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
Abstract
The invention discloses an E-commerce express bag packaging device, wherein a front conveying belt and a triangular sleeve diaphragm plate are arranged at the input end of a sealing and cutting machine main body, a spacing bumping post is arranged below the triangular sleeve diaphragm plate, an air exhaust mechanism is arranged on the spacing bumping post, the air exhaust mechanism comprises a telescopic cylinder, a switching block and an air exhaust pipe, the telescopic cylinder is arranged below the spacing bumping post, the working end of the telescopic cylinder is connected with the switching block, the air exhaust pipe is communicated with the front end of the switching block, a first joint pipe is arranged on the side wall of the switching block, and the first joint pipe is communicated to the air exhaust mechanism through a pipeline; the outer side of the L-shaped sealing cutter of the sealing and cutting machine main body is provided with a pressing strip in parallel, and the bottom end of the pressing strip is lower than the bottom surface of the sealing cutter and can rebound upwards; the front end of the exhaust pipe can extend into the pressing area of the pressing plate strip. The E-commerce express bag packaging device and the express bag packaging method can take out residual air in the express box packaging bag and package the residual air, are convenient to stack, save storage space and improve transportation efficiency.
Description
Technical Field
The invention relates to the technical field of E-commerce logistics facilities, in particular to an E-commerce express bag packaging device and an E-commerce express bag packaging method.
Background
In recent years, with the rapid development of network e-commerce, the fast-forwarding industry in China develops rapidly. The delivery volume of express companies and network sellers is increasing, and especially during holidays and activities, the production volume of express is well-blown. Shopping is no longer a patent in large cities, and the packaging quality and the packaging speed of express companies and sellers are very important at this time.
At present, the sealing and cutting machine is mostly used for packaging and packaging bags of express boxes, and the sealing and cutting machine uses the L-shaped sealing cutter to seal and cut a single express box after the bag is covered. However, the existing sealing and cutting machine does not consider the problem of sealing residual air, so that residual air in the sealed express box packaging bag is around the express box. The existence of these residual air, when leading to piling up the express delivery box that packs, the pile is uneven, and occupation space is big, and deposit and categorised that can not be fine is not convenient for look for fast.
Therefore, it is required to develop an e-commerce express bag packaging device and an express bag packaging method.
Disclosure of Invention
The invention aims to provide an E-commerce express bag packaging device which can extract residual air in an express box packaging bag and package the air, is convenient to stack, saves storage space and improves transportation efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to an e-commerce express bag packaging device which comprises a sealing and cutting machine main body, wherein a front conveying belt and a triangular sleeve diaphragm plate are arranged at the input end of the sealing and cutting machine main body, a spacing catch post is arranged below the triangular sleeve diaphragm plate, an air exhaust mechanism is arranged on the spacing catch post, the air exhaust mechanism comprises a telescopic cylinder, a transfer block and an air exhaust pipe, the telescopic cylinder is arranged below the spacing catch post, the working end of the telescopic cylinder is connected with the transfer block, the air exhaust pipe is communicated with the front end of the transfer block, a first joint pipe is arranged on the side wall of the transfer block, and the first joint pipe is communicated with the air exhaust mechanism through a pipeline; a pressing plate strip is arranged on the outer side of the L-shaped sealing cutter of the sealing and cutting machine main body in parallel, and the bottom end of the pressing plate strip is lower than the bottom surface of the sealing cutter and can rebound upwards; the front end of the exhaust pipe can extend into the pressing area of the pressing plate strip.
Furthermore, the telescopic cylinder is installed on the interval bumping posts through an installation sliding block, the number of the interval bumping posts is two and the interval bumping posts are arranged in parallel, and two sleeve holes in sliding fit with the interval bumping posts are formed in the installation sliding block.
Furthermore, a jackscrew is further arranged on the rear side wall of the mounting sliding block, and the top end of the jackscrew can be tightly propped against the outer cylindrical surface of the spacing catch column.
Furthermore, an elastic guide piece is arranged at the top of the pressing plate strip, and the top of the elastic guide piece is connected to the square frame at the top of the sealing cutter.
Furthermore, the bottom end of the pressing plate strip is provided with a pressing head pad, and the pressing head pad is made of elastic rubber materials.
Furthermore, the cross section of the exhaust tube is in an arc top flat bottom shape, and the edges of the exhaust tube are smoothly processed.
Further, an air exhaust channel and an air supply channel are arranged in the air exhaust pipe, and a vertical partition plate for dividing the channel is arranged between the air exhaust channel and the air supply channel.
Furthermore, a second pipe joint is arranged on the side wall of the transfer block and is communicated with the air supply channel through an internal pore channel, and the first pipe joint is communicated with the air exhaust channel through an internal pore channel; the second pipe joint is communicated to the nitrogen gas supply unit through a pipeline.
The invention also discloses an express bag packaging method, which utilizes any one of the E-commerce express bag packaging devices to carry out express bag packaging operation and comprises the following steps:
s1, inserting an exhaust tube, and driving the exhaust tube to be inserted forwards into the range of a compaction area by a telescopic cylinder after the express box body enters the sealing and cutting part of the sealing and cutting machine;
s2, pressing the plate pressing bar downwards, driving the square frame to move downwards by the driving mechanism, driving the sealing cutter seat below the square frame to move upwards, pressing the edge of the plastic packaging bag by the plate pressing bar firstly, and enabling the front end of the exhaust pipe to be located on the inner side of the plate pressing bar at the moment;
s3, exhausting, wherein the exhausting mechanism is started to work, and residual air tightly pressed in the plastic packaging bag is exhausted;
s4, the extraction tube is withdrawn, when the extraction reaches a set negative pressure value, the extraction is stopped, and the telescopic cylinder drives the extraction tube to withdraw from the compaction area backwards;
s5, the sealing cutter moves downwards, the sealing cutter on the inner side of the pressing strip continues to move downwards, and the plastic packaging bag is sealed and cut;
s6, conveying the box bodies, conveying the express box bodies forwards continuously, cutting edges and conveying the plastic packaging bags, enabling the next express box body to enter a sealing and cutting position, and repeating the steps.
Further, in the step S3, after the air pumping is finished, a certain amount of nitrogen is input into the plastic packaging bag through the nitrogen inlet channel, and then the plastic packaging bag is sealed and cut.
Compared with the prior art, the invention has the beneficial technical effects that:
according to the E-commerce express bag packaging device, the air exhaust mechanism is arranged on the spacing blocking column, residual air in the packaging bag can be extracted before packaging and slitting, so that a packaging bag film is tightly attached to the periphery of the express box body, the space volume occupied by the residual air is saved, and stacking is facilitated. The exhaust tube is driven to stretch through the telescopic cylinder, so that the sealing cutter can exit during working, and the defect of incomplete sealing line is avoided. The E-commerce express bag packaging device can take out residual air in an express box packaging bag and then package the residual air, is convenient to stack, saves storage space and improves transportation efficiency.
In addition, the two spacing retaining columns are horizontally arranged in parallel, so that the bag film can be better spaced and packaged to droop, meanwhile, the sliding blocks are assembled and installed in a matched mode, the telescopic cylinder cannot turn over, and the structural strength is high; through the setting of jackscrew, be convenient for lock the telescoping cylinder in the position of conveyer belt width direction, avoid appearing the drunkenness, influence the normal transport of express delivery box body. Through the elastic guide piece setting between pressure lath and square frame, be convenient for when pushing down, the pressure lath can compress tightly the packaging bag membrane and guarantee that the express delivery box body is peripheral sealed temporarily, is convenient for bleed and goes on smoothly. Through the pressure head pad made of the elastic rubber material, when the exhaust tube is pressed tightly, basic sealing is formed at the outer wall of the exhaust tube, so that overlarge air leakage is avoided. The outer contour of the cross section of the exhaust pipe is set to be in the shape of an arc top and a flat bottom, so that when the pressing plate strip is pressed downwards, effective extrusion deformation can be formed on the outer wall of the exhaust pipe, a better sealing effect can be further formed, and an overlarge air leakage gap is avoided; through addding the tonifying qi passageway in the intraductal of exhaust tube, let in nitrogen gas through the tonifying qi passageway, perishable rotten fruit vegetable goods can be kept fresh to inactive nitrogen gas in the express delivery box body, has guaranteed the transportation quality that special express delivery is single.
According to the express bag packaging method, residual air in the plastic packaging bag is pumped out, the express box packaging bag with a good covering effect can be packaged, the packaging bag occupation space is saved, and the transportation efficiency is improved. Through filling into quantitative inactive nitrogen gas in express delivery box body wrapping bag, can carry out high quality post-packaging logistics transportation to the express delivery manifest that needs keep fresh, the oxygen deficiency is carried, directly solved in packaging process and aerifyd fresh-keeping problem, reduced the logistics cost of special express delivery manifest.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
Fig. 1 is a schematic front view of the packaging device for the e-commerce express bag of the invention;
FIG. 2 is a schematic structural view of a sealing and cutting part of the E-commerce express bag packaging device in a top view;
FIG. 3 is a schematic front view of an air exhaust mechanism of the E-commerce express bag packaging device of the invention;
FIG. 4 is a schematic side view of the sealing cutter and the pressing plate strip of the packaging device for E-commerce express bags according to the present invention;
FIG. 5 is a schematic sectional view of an exhaust tube of the E-commerce express bag packaging device of the invention;
FIG. 6 is a flowchart of the operation of an express bag packaging method according to an embodiment of the present invention;
fig. 7 is a work flow chart of another specific embodiment of the express bag packaging method of the present invention.
Description of reference numerals: 1. a sealing and cutting machine main body; 2. a front conveyor belt; 3. a triangular sleeve diaphragm plate; 4. spacing the retaining posts; 5. pressing the plate strip; 501. a pressure head pad; 502. an elastic guide member; 6. a telescopic cylinder; 601. installing a sliding block; 602. carrying out top thread; 7. sealing the cutter; 8. a transfer block; 801. a first joint pipe; 802. a second joint pipe; 9. an air exhaust pipe; 901. an air extraction channel; 902. a gas supply channel; 10. a square frame; 11. an express delivery box body; 12. packaging bag film.
Detailed Description
The core of the invention is to provide the E-commerce express bag packaging device and the E-commerce express bag packaging method, which can extract residual air in an express box packaging bag and then package the residual air, are convenient to stack, save storage space and improve transportation efficiency.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to the accompanying drawings, fig. 1 is a schematic front view of a packaging device of an e-commerce express bag of the invention; FIG. 2 is a schematic structural view of a sealing and cutting part of the E-commerce express bag packaging device in a top view; FIG. 3 is a schematic front view of an air exhaust mechanism of the E-commerce express bag packaging device of the invention; FIG. 4 is a schematic side view of the sealing cutter and the pressing plate strip of the packaging device for E-commerce express bags according to the present invention; FIG. 5 is a schematic sectional view of an exhaust tube of the E-commerce express bag packaging device of the invention; FIG. 6 is a flowchart of the operation of an express bag packaging method according to an embodiment of the present invention;
fig. 7 is a work flow chart of another specific embodiment of the express bag packaging method of the present invention.
In a specific embodiment, as shown in fig. 1 to 4, an e-commerce express bag packaging device includes a sealing and cutting machine main body 1, an input end of the sealing and cutting machine main body 1 is provided with a front conveyor belt 2 and a triangular sleeve membrane plate 3, an interval barrier column 4 is arranged below the triangular sleeve membrane plate 3, and the interval barrier column 4 can be used for separating a packaging bag membrane 12 which is turned over from the triangular sleeve membrane plate 3. Be provided with the mechanism of bleeding on interval bumping post 4, the mechanism of bleeding includes telescopic cylinder 6, switching piece 8 and exhaust tube 9, and telescopic cylinder 6 installs in interval bumping post 4 below, and switching piece 8 is connected to the work end of telescopic cylinder 6, and exhaust tube 9 intercommunication is provided with first joint pipe 801 on the 8 lateral walls of switching piece at the front end of switching piece 8, and first joint pipe 801 communicates through the pipeline on the mechanism of bleeding, the mechanism of bleeding specifically adopts low pressure air exhauster or negative pressure generator, and the control stops bleeding when reaching the setting value or reaching the bleed time according to the extraction negative pressure value. The outer side of the L-shaped sealing cutter 7 of the sealing and cutting machine main body 1 is provided with a pressing strip bar 5 in parallel, and the pressing strip bar 5 is also arranged in an L shape. The bottom end of the pressing strip 5 is lower than the bottom surface of the sealing cutter 7 and can rebound upwards, namely, the pressing strip 5 firstly presses the packaging bag film 12. The front end of the suction pipe 9 can protrude into the pressing area of the pressing bar 5.
Through installing on interval bumping post 4 air exhaust mechanism can extract the remaining air in the wrapping bag before the encapsulation is cut for wrapping bag membrane 12 is tightly attached around 11 outer peripheries of express delivery box body, has saved the space volume that remaining air occupy, the pile up neatly of being convenient for. The exhaust tube 9 is driven to stretch out and draw back through the telescopic cylinder 6, so that the sealing cutter can exit during working, and the defect of incomplete sealing line is avoided. The E-commerce express bag packaging device can take out residual air in an express box packaging bag and then package the residual air, is convenient to stack, saves storage space and improves transportation efficiency.
In an embodiment of the present invention, as shown in fig. 1 and 3, the telescopic cylinder 6 is mounted on the spacer 4 by a mounting block 601, specifically, the number of the spacer 4 is two and horizontally arranged in parallel, and two sleeve holes for slidably fitting the spacer 4 are provided on the mounting block 601. The telescopic cylinder 6 specifically adopts a cylinder or an electric push rod.
Specifically, a jackscrew 602 is further disposed on the rear side wall of the mounting slider 601, and the top end of the jackscrew 602 can be tightly pressed against the outer cylindrical surface of the spacer 4. Preferably, the telescopic cylinder 6 is locked at one side close to the operation panel, so that the normal conveying of the express box body 11 on the conveying belt 2 is not hindered.
The two spacing catch columns 4 are horizontally arranged in parallel, so that the bag film 12 can be better spaced and hung, meanwhile, the sliding block 601 is assembled and installed in a matched mode, the telescopic cylinder 6 cannot turn over, and the structural strength is high; through the setting of jackscrew 602, be convenient for lock telescoping cylinder 6 in the position of 2 width direction of conveyer belt, avoid appearing the drunkenness, influence the normal transport of express delivery box body 11.
In an embodiment of the present invention, as shown in fig. 1, 2 and 4, the top of the pressing plate strip 5 is provided with an elastic guide 502, and the top of the elastic guide 502 is connected to the square frame 10 on the top of the sealing cutter 7. The elastic guide member 502 comprises a sleeve guide member and a pressure spring, wherein the sleeve guide member and the pressure spring are mutually nested, the pressure spring is sleeved on the outer side of the outer wall, when the bottom ends of the pressure plate strips 5 are contacted, the elastic guide member 502 can be compressed, and the elastic guide member resets when moving upwards.
Further, as shown in fig. 4, the bottom end of the pressure bar strip 5 is provided with a pressure pad 501, and the pressure pad 501 is made of an elastic rubber material.
Set up between pressure lath 5 and square frame 10 through elastic guide 502, be convenient for when pushing down, pressure lath 5 can compress tightly packaging bag membrane 12 and guarantee that the express delivery box body 11 is peripheral sealed temporarily, is convenient for bleed and goes on smoothly. The pressure head pad 501 made of elastic rubber material can form a basic seal at the outer wall of the exhaust pipe 9 to avoid excessive air leakage when the exhaust pipe 9 is pressed tightly.
In an embodiment of the present invention, as shown in fig. 5, the cross-sectional profile of the exhaust tube 9 is a circular arc top flat bottom shape, and the edges of the exhaust tube 9 are all rounded. The front end of the exhaust tube 9 is provided with an oblique chamfer, so that the air suction area is increased, and the blocking risk is reduced.
Specifically, as shown in fig. 5, an air exhaust passage 901 and an air supply passage 902 are provided in the tube of the air exhaust tube 9, and a vertical partition plate for partitioning the passages is provided between the air exhaust passage 901 and the air supply passage 902. Preferably, the vertical partition is arranged in the middle of the cavity of the extraction tube 9 and divides the extraction tube into an extraction passage 901 and an air supplement passage 902 which are separated and have the same size.
Specifically, as shown in fig. 2, 3 and 5, a second pipe joint 802 is further disposed on the side wall of the transfer block 8, the second pipe joint 802 is communicated with the air supplement channel 902 through an internal duct, and the first pipe joint 801 is communicated with the air exhaust channel 901 through an internal duct; the second pipe joint 802 is connected to the nitrogen gas supply unit through a pipe.
The outer contour of the cross section of the exhaust pipe 9 is set to be in the shape of an arc top and a flat bottom, so that when the pressure plate strip 5 is pressed downwards, effective extrusion deformation can be formed on the outer wall of the exhaust pipe 9, a better sealing effect can be further formed, and an overlarge air leakage gap is avoided; through addding tonifying qi passageway 902 in the intraductal of exhaust tube 9, let in nitrogen gas through tonifying qi passageway 902, perishable rotten fruit vegetable goods can be kept fresh to inactive nitrogen gas in the express delivery box body 11, have guaranteed the transportation quality that special express delivery was listed as.
The invention also discloses an express bag packaging method, as shown in fig. 6, the express bag packaging operation is carried out by using the E-commerce express bag packaging device in any one of the above embodiments, and the method comprises the following steps:
s1, inserting an exhaust tube, and driving the exhaust tube to be inserted forwards into the range of a compaction area by a telescopic cylinder after the express box body enters the sealing and cutting part of the sealing and cutting machine;
s2, pressing the plate pressing bar downwards, driving the square frame to move downwards by the driving mechanism, driving the sealing cutter seat below the square frame to move upwards, pressing the edge of the plastic packaging bag by the plate pressing bar firstly, and enabling the front end of the exhaust pipe to be located on the inner side of the plate pressing bar at the moment;
s3, exhausting, wherein the exhausting mechanism is started to work, and residual air tightly pressed in the plastic packaging bag is exhausted;
s4, the extraction tube is withdrawn, when the extraction reaches a set negative pressure value, the extraction is stopped, and the telescopic cylinder drives the extraction tube to withdraw from the compaction area backwards;
s5, the sealing cutter moves downwards, the sealing cutter on the inner side of the pressing strip continues to move downwards, and the plastic packaging bag is sealed and cut;
s6, conveying the box bodies, conveying the express box bodies forwards continuously, cutting edges and conveying the plastic packaging bags, enabling the next express box body to enter a sealing and cutting position, and repeating the steps.
In an embodiment of the express delivery bag packaging method of the present invention, as shown in fig. 7, in the step S3, after the air pumping is finished, a certain amount of nitrogen gas is input into the plastic packaging bag through the nitrogen gas inlet channel, and then the plastic packaging bag is packaged and cut.
By pumping out residual air in the plastic packaging bag, the express bag packaging method can package express box packaging bags with good covering effects, saves packaging bag occupation space and improves transportation efficiency. Through filling into quantitative inactive nitrogen gas in express delivery box body wrapping bag, can carry out high quality post-packaging logistics transportation to the express delivery manifest that needs keep fresh, the oxygen deficiency is carried, directly solved in packaging process and aerifyd fresh-keeping problem, reduced the logistics cost of special express delivery manifest.
This electricity merchant express delivery bag packing plant through installing on interval bumping post 4 air exhaust mechanism can extract the remaining air in the wrapping bag before the encapsulation is cut for wrapping bag membrane 12 is closely attached around 11 outer peripheries of express delivery box bodies, has saved the space volume that remaining air occupy, the pile up neatly of being convenient for. The exhaust tube 9 is driven to stretch out and draw back through the telescopic cylinder 6, so that the sealing cutter can exit during working, and the defect of incomplete sealing line is avoided. The E-commerce express bag packaging device can take out residual air in an express box packaging bag and then package the residual air, is convenient to stack, saves storage space and improves transportation efficiency. In addition, the two spacing retaining columns 4 are horizontally arranged in parallel, so that the bag film 12 can be better spaced and hung, meanwhile, the sliding block 601 is matched and assembled, the telescopic cylinder 6 cannot turn over, and the structural strength is high; through the setting of jackscrew 602, be convenient for lock telescoping cylinder 6 in the position of 2 width direction of conveyer belt, avoid appearing the drunkenness, influence the normal transport of express delivery box body 11. Set up between pressure lath 5 and square frame 10 through elastic guide 502, be convenient for when pushing down, pressure lath 5 can compress tightly packaging bag membrane 12 and guarantee that the express delivery box body 11 is peripheral sealed temporarily, is convenient for bleed and goes on smoothly. The pressure head pad 501 made of elastic rubber material can form a basic seal at the outer wall of the exhaust pipe 9 to avoid excessive air leakage when the exhaust pipe 9 is pressed tightly. The outer contour of the cross section of the exhaust pipe 9 is set to be in the shape of an arc top and a flat bottom, so that when the pressure plate strip 5 is pressed downwards, effective extrusion deformation can be formed on the outer wall of the exhaust pipe 9, a better sealing effect can be further formed, and an overlarge air leakage gap is avoided; through addding tonifying qi passageway 902 in the intraductal of exhaust tube 9, let in nitrogen gas through tonifying qi passageway 902, perishable rotten fruit vegetable goods can be kept fresh to inactive nitrogen gas in the express delivery box body 11, have guaranteed the transportation quality that special express delivery was listed as.
According to the express bag packaging method, residual air in the plastic packaging bag is pumped out, the express box packaging bag with a good covering effect can be packaged, the packaging bag occupation space is saved, and the transportation efficiency is improved. Through filling into quantitative inactive nitrogen gas in express delivery box body wrapping bag, can carry out high quality post-packaging logistics transportation to the express delivery manifest that needs keep fresh, the oxygen deficiency is carried, directly solved in packaging process and aerifyd fresh-keeping problem, reduced the logistics cost of special express delivery manifest.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the scope of the present invention is defined by the claims.
Claims (10)
1. The utility model provides an electricity merchant express delivery bag packing plant, includes sealing and cutting machine main part (1), sealing and cutting machine main part (1) input is provided with preceding conveyer belt (2) and triangular cover lamina membranacea (3), triangular cover lamina membranacea (3) below is provided with interval bumping post (4), its characterized in that: the partition column (4) is provided with an air extraction mechanism, the air extraction mechanism comprises a telescopic cylinder (6), a switching block (8) and an air extraction pipe (9), the telescopic cylinder (6) is installed below the partition column (4), the working end of the telescopic cylinder (6) is connected with the switching block (8), the air extraction pipe (9) is communicated with the front end of the switching block (8), the side wall of the switching block (8) is provided with a first joint pipe (801), and the first joint pipe (801) is communicated with the air extraction mechanism through a pipeline; a pressing strip bar (5) is arranged on the outer side of the L-shaped sealing cutter (7) of the sealing and cutting machine main body (1) in parallel, and the bottom end of the pressing strip bar (5) is lower than the bottom surface of the sealing cutter (7) and can rebound upwards; the front end of the air suction pipe (9) can be inserted into the pressing area of the pressing plate strip (5).
2. The e-commerce express bag packaging device of claim 1, wherein: the telescopic cylinder (6) is installed on the interval retaining columns (4) through installation sliding blocks (601), the number of the interval retaining columns (4) is two, the interval retaining columns are arranged in parallel, and two sleeve holes which are in sliding fit with the interval retaining columns (4) are formed in the installation sliding blocks (601).
3. The e-commerce express bag packaging device of claim 2, wherein: the rear side wall of the mounting sliding block (601) is further provided with a jackscrew (602), and the top end of the jackscrew (602) can be tightly pressed against the outer cylindrical surface of the spacing catch column (4).
4. The e-commerce express bag packaging device of claim 1, wherein: the top of the pressing plate strip (5) is provided with an elastic guide piece (502), and the top of the elastic guide piece (502) is connected to the square frame (10) at the top of the sealing cutter (7).
5. The e-commerce express bag packaging device of claim 4, wherein: the bottom end of the pressing plate strip (5) is provided with a pressing head pad (501), and the pressing head pad (501) is made of elastic rubber materials.
6. The e-commerce express bag packaging device of claim 1, wherein: the cross section of the exhaust tube (9) is in the shape of an arc top flat bottom, and the edges of the exhaust tube (9) are smoothly processed.
7. The e-commerce express bag packaging device of claim 6, wherein: an air exhaust channel (901) and an air supply channel (902) are arranged in the air exhaust pipe (9), and a vertical partition plate for dividing the channel is arranged between the air exhaust channel (901) and the air supply channel (902).
8. The e-commerce express bag packaging device of claim 1, wherein: a second pipe joint (802) is further arranged on the side wall of the transfer block (8), the second pipe joint (802) is communicated with the air supplementing channel (902) through an internal pore channel, and the first pipe joint (801) is communicated with the air exhausting channel (901) through an internal pore channel; the second pipe joint (802) is communicated to the nitrogen gas supply unit through a pipeline.
9. An express bag packaging method, which is characterized in that the express bag packaging operation is carried out by using the E-commerce express bag packaging device of any one of claims 1 to 8, and comprises the following steps:
s1, inserting an exhaust tube, and driving the exhaust tube to be inserted forwards into the range of a compaction area by a telescopic cylinder after the express box body enters the sealing and cutting part of the sealing and cutting machine;
s2, pressing the plate pressing bar downwards, driving the square frame to move downwards by the driving mechanism, driving the sealing cutter seat below the square frame to move upwards, pressing the edge of the plastic packaging bag by the plate pressing bar firstly, and enabling the front end of the exhaust pipe to be located on the inner side of the plate pressing bar at the moment;
s3, exhausting, wherein the exhausting mechanism is started to work, and residual air tightly pressed in the plastic packaging bag is exhausted;
s4, the extraction tube is withdrawn, when the extraction reaches a set negative pressure value, the extraction is stopped, and the telescopic cylinder drives the extraction tube to withdraw from the compaction area backwards;
s5, the sealing cutter moves downwards, the sealing cutter on the inner side of the pressing strip continues to move downwards, and the plastic packaging bag is sealed and cut;
s6, conveying the box bodies, conveying the express box bodies forwards continuously, cutting edges and conveying the plastic packaging bags, enabling the next express box body to enter a sealing and cutting position, and repeating the steps.
10. The method of express bag packaging of claim 9, wherein: and in the step S3, after the air pumping is finished, a certain amount of nitrogen is input into the plastic packaging bag through the nitrogen inlet channel, and then the plastic packaging bag is packaged and cut.
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Application publication date: 20210611 |