CN109665158B

CN109665158B - Skin air conditioning and sealing integrated packaging machine

Info

Publication number: CN109665158B
Application number: CN201910108911.9A
Authority: CN
Inventors: 岳亮; 王雄; 时文志
Original assignee: Beiboo Automation Equipment Beijing Co ltd
Current assignee: Beiboo Automation Equipment Beijing Co ltd
Priority date: 2019-02-03
Filing date: 2019-02-03
Publication date: 2021-01-22
Anticipated expiration: 2039-02-03
Also published as: CN109665158A

Abstract

The invention discloses a skin air conditioning and sealing integrated packaging machine, which comprises: an upper die mechanism 5; the lower die mechanism 2 is arranged at the lower part of the upper die mechanism 5; and the film drawing mechanism 4 is arranged on two sides of the upper and lower die mechanisms, used films for packaging materials are conveyed, the films cut due to packaging are collected, and the used films for packaging materials pass through a gap between the upper and lower die bodies. By last, upwards stretch out the descending in-process of drive mould body when the piston rod that the cylinder upwards stretched out, preheat the tectorial membrane, the piston rod that the cylinder stretched out downwards simultaneously stretches out drive mould frame and cutter frame down, and the mould frame presses the tectorial membrane at the tray edge, and the cutter cuts away the outer tectorial membrane of tray edge, then upper and lower ventilation block is to it, realizes the inner chamber vacuum of upper and lower mould body.

Description

Skin air conditioning and sealing integrated packaging machine

Technical Field

The invention belongs to the technical field of packaging equipment, and particularly relates to a skin-type air conditioning and sealing integrated packaging machine.

Background

The body-fitting package is that the transparent plastic film is heated to the softening degree, then covered on the commodity lined with the paper board, and the vacuum is pumped from the lower part, so that the heated and softened plastic film is adhered to the surface of the commodity according to the shape of the commodity, and is also adhered to the paper board bearing the commodity, and the plastic film is cooled and formed into a novel package object; modified atmosphere packaging (called MAP or CAP abroad) is to package food by adopting a packaging material with gas barrier property, and mixed gas of O2+ CO2+ N2, N2+ CO2 and O2+ CO2 in a certain proportion is filled into the packaging according to the actual requirements of customers, so that the quality of the food is prevented from being reduced or the quality reduction speed is reduced in the aspects of physics, chemistry, biology and the like, the shelf life of the food is prolonged, and the food value is improved; the sealing package is an operation of sealing a container filled with a packing material, and after a product is filled into the packaging container, the packaging container needs to be sealed in order to store the product in a sealed manner, maintain the product quality and avoid the product loss, and the operation is the sealing package.

In the existing packaging equipment, if the skin packaging, the modified atmosphere packaging and the sealing packaging are to be realized under the condition of not replacing any fittings, more than two machines are generally needed to complete the packaging, thereby leading to extremely high equipment cost.

Disclosure of Invention

In view of the above, the main objective of the present invention is to provide a skin modified atmosphere sealing integrated packaging machine, which is used for realizing packaging in three packaging modes of skin, modified atmosphere and sealing by using one machine, and saving the packaging cost.

The invention relates to a skin air conditioning and sealing integrated packaging machine, which comprises:

an upper die mechanism 5 comprising

The device comprises a cylinder with double piston rods, a cutter frame and a clamping mechanism, wherein the piston rods respectively extend upwards and downwards, the end parts of the piston rods extending upwards are fixed, and the end parts of the piston rods extending downwards are fixedly connected with the mold frame and the cutter frame;

the upper die body 51 is fixedly connected with the cylinder shell at the lower part of the cylinder;

an upper vent block 53 provided at one side of the upper die body 51;

a lower die mechanism 2 arranged below the upper die mechanism 5 and including

The lower die body 21 is provided with at least two subareas for placing the trays on the upper surface;

a lower die rotating assembly 23 disposed in the middle of the lower die body 21 and around which the lower die body 21 is rotatable;

a lower die positioning assembly 24 disposed at one side of the lower portion of the lower die body 21 for locking the horizontal and vertical displacements of the lower die body 21;

the lower ventilation block 22 is arranged on one side of the lower die body 21, and when the upper die body and the lower die body are closed, the upper ventilation block and the lower ventilation block are aligned to realize the vacuum of the inner cavities of the upper die body and the lower die body and the air-conditioned inflation of the inner cavity of the lower die body;

and the film drawing mechanism 4 is arranged on two sides of the upper and lower die mechanisms, used films for packaging materials are conveyed, the films cut due to packaging are collected, and the used films for packaging materials pass through a gap between the upper and lower die bodies.

By last, upwards stretch out the descending in-process of drive mould body when the piston rod that the cylinder upwards stretched out, preheat the tectorial membrane, the piston rod that the cylinder stretched out downwards simultaneously stretches out drive mould frame and cutter frame down, and the mould frame presses the tectorial membrane at the tray edge, and the cutter cuts away the outer tectorial membrane of tray edge, then upper and lower ventilation block is to it, realizes the inner chamber vacuum of upper and lower mould body.

Preferably, the lower mold rotating assembly 23 includes:

a rotation shaft 231 interposed between the top plate 31 and the bottom plate 33;

from top to bottom establish in proper order the bearing 235 on the rotation axis 231, go up swivel mount 232 and swivel mount 234 down, lower mould body 21 pass through bearing 235 with rotation axis 231 assembles, go up, down swivel mount with rotation axis 231 clearance fit, go up swivel mount 232 with lower mould body 21 links firmly, down swivel mount setting is in on bottom plate 33.

By last, the lower mould body passes through bearing and rotation axis assembly, and when rotating the lower mould body, the rotation axis does not rotate, and upward spin seat links firmly with the lower mould body, rotates together with the lower mould body, and lower spin seat is supporting upward spin seat, and the mode that should select the lower mould body has improved packing efficiency, reduces the machine idle rate.

Preferably, the upper vent block 53 includes a first upper vent hole 531, an upper air-conditioning hole 532 and a second upper vent hole 533, the second upper vent hole 533 is only communicated with the inner cavity of the upper die body 51, the lower vent block 22 includes a lower air-conditioning hole 222 and a lower vent hole 223, and one end of the lower air-conditioning hole 222 and one end of the lower vent hole 223 are respectively communicated with the inner cavity of the lower die body 21; when the upper and lower die bodies are closed, the upper and lower air adjusting holes are communicated, and the first upper vent hole is communicated with the lower vent hole.

When the upper die body and the lower die body are closed, the upper air-adjusting hole and the lower air-adjusting hole are communicated, air-adjusting gas is filled into an inner cavity of the lower die body through the upper air-adjusting hole, the first upper vent hole is communicated with the lower vent hole, an air pipe of the vacuum pump is communicated with the first upper vent hole to vacuumize the inner cavity of the lower die body, the air pipe of the vacuum pump is communicated with the second upper vent hole to vacuumize the inner cavity of the upper die body, so that the film is tightly attached to the upper die, and the film forms the shape of the upper die.

Preferably, the lower mold positioning assembly 24 includes at least one pair of tightening assemblies 241 and a driving member 242 for driving the tightening assemblies 241 to tighten and lock the lower mold body 21, and the tightening assemblies 241 include

The pressing device comprises a pressing sliding base 2411, a pressing sliding block 2412 sliding along the pressing sliding base 2411 and a pressing block 2415 arranged on the upper part of the pressing sliding block 2412, wherein the sliding surface of the pressing sliding block 2412 sliding along the pressing sliding base 2411 is an inclined surface, and the lower die body 21 is arranged on the upper part of the pressing block 2415;

when the driving element 242 is connected to the tightening slider 2412 and is driven to slide across the inclined plane, the tightening block 2415 is lifted to abut against the bottom of the lower die body 21.

By last, when the tight slider in driving top slided along the tight slide in top, the tight slider height in top risees, and the tight piece height in top also risees thereupon, withstands the bottom of the lower mould body on upper portion, makes it can not rotate.

Preferably, a second positioning shaft is arranged at the upper part of the tightening slider, a positioning groove 212 is arranged at the outer edge of the bottom of the partition side of the lower die body 21, and when the tightening block 2415 is pressed against the bottom of the lower die body 21, the second positioning shaft 2414 is clamped into the positioning groove 212.

By last, when top tight piece 2415 withstands the lower mould body 21 bottom, the second location axle card that top tight slider upper portion set up advances positioning groove 212 in, fixes a position the horizontal direction of lower mould body, and is more firm to the locking of lower mould body.

Preferably, the film drawing mechanism 4 includes a first and a second pressing roller assemblies disposed oppositely, at least one of the first and the second pressing roller assemblies is a dual pressing roller structure, and the dual pressing roller structure includes:

two oppositely arranged press roll bases 421;

a first pressing roller 422 arranged between the two pressing roller bases 421 and a second pressing roller 423 arranged on the upper portion of the first pressing roller 422, wherein the first pressing roller 422 is fixedly connected with the two pressing roller bases 421;

and two pressing roller opening and closing assemblies 424 which are respectively arranged at the inner sides of the two pressing roller bases 421 and drive the second pressing roller 423 to move up and down.

By last, through the compression roller subassembly drive second compression roller that opens and shuts rising, the tectorial membrane passes in the gap between the first compression roller from, prevents the fold.

Preferably, the pressing roller opening and closing assembly 424 comprises:

a guide post seat 4242 installed inside the pressure roller base 421,

the upper part of the guide post 4243 is a cylinder which vertically passes through the through hole of the guide post seat 4242 and extends out, the lower part of the guide post 4243 is a block-shaped structure, the bottom surface of the block-shaped structure is an inward concave circular arc,

a first spring 4244 disposed between the guide post seat 4242 and the block 42432 outside the guide post 4243,

a knob 4241 comprising a handle connected thereto and a cam block having a convex section, an end of the second pressing roller 423 passing through a through hole of the cam block and protruding therefrom,

the end part of the second pressing roller 423 extending out of the cam block is matched with the concave arc surface at the bottom of the block-shaped structure,

and a pad 4245 disposed at a lower portion of the cam block and contacting therewith.

From top to bottom, through the drive handle, drive cam piece and rotate, according to the convex characteristics on cam piece surface, drive second compression roller rises.

Preferably, the film drawing mechanism 4 further includes a film drawing shaft assembly 44 disposed at the upper oblique rear portion of the second pressing roller assembly, and it includes:

a film pulling shaft 445, one end of which is provided with a fixed retaining ring 4453, the other end face of which is provided with a U-shaped groove 4451 with the depth parallel to the length direction of the film pulling shaft 445, and the circumference of the film pulling shaft 445 is provided with a through hole 4452 which vertically penetrates through the U-shaped groove 4451;

the film rolling device 444 is sleeved on the film pulling shaft 445;

the locking piece 441, the center of which is provided with a ring-shaped hole 4411, is inserted into the U-shaped groove 4451 at the end part of the film pulling shaft 445;

a cylindrical pin 442 passing through the through hole 4452 and the annular hole 4411.

From the top, by last, fix film winder 44 on drawing the membrane axle through locking plate 41 and cylindric lock, it is all convenient to install and take off film winder.

Preferably, the film drawing shaft assembly 44 further comprises a second spring, a blind hole is arranged at the bottom of the U-shaped groove 4451 along the length direction of the film drawing shaft 445, and the second spring is arranged between the blind hole and the cylindrical pin 442.

By last, set up the second spring and withstand the cylindric lock, prevent that the cylindric lock is not hard up, it is not tight to roll up the membrane ware.

Preferably, a pull rod 2413 is fixedly connected to an end portion perpendicular to the sliding direction of the tightening slider 2412, the second positioning shaft 2414 is disposed on the upper portion of the pull rod 2413, and the driving member 242 is fixedly connected to the pull rod 2413 and drives the pull rod 2413 to horizontally reciprocate.

By last, when the high rising of the tight slider in top withstood die cavity body 3 bottoms, the location axle card that the tight slider in top 512 upper portion set up advances positioning groove 32 in, carries on spacingly to the die cavity body, is favorable to the packing work of packing the station to go on smoothly.

Drawings

FIG. 1 is a schematic view of a skin-type air-conditioning and sealing integrated packaging machine;

FIG. 2 is a second schematic view of a skin-type air-conditioning and sealing integrated packaging machine;

FIG. 3 is a schematic structural view of the upper and lower die mechanisms;

FIG. 4 is a schematic structural view of an upper die mechanism;

FIG. 5 is a schematic structural view of a lower die mechanism;

FIG. 6 is a schematic structural view of the upper and lower vent blocks;

FIG. 7 is a schematic view of the lower die rotation assembly;

FIG. 8 is a schematic view of the lower die positioning assembly;

FIG. 9 is a schematic structural view of the jacking slider;

FIG. 10 is a top view of the lower die mechanism;

FIG. 11 is a partial schematic view of the lower die mechanism;

FIG. 12 is a schematic structural view of a film drawing mechanism;

FIG. 13 is a schematic structural view of a dual pressure roller configuration;

FIG. 14 is a schematic view of the opening and closing assembly of the press roll;

FIG. 15 is a schematic view of the opening and closing assembly of the press roller;

FIG. 16 is a schematic cross-sectional view of a film drawing shaft assembly;

FIG. 17 is a cross-sectional view of a film pull shaft assembly;

FIG. 18 is a schematic structural view of a film drawing shaft;

FIG. 19 is a schematic diagram of a single nip roll configuration.

Detailed Description

As shown in figures 1 and 2, the skin modified atmosphere sealing integrated packaging machine comprises an upper die mechanism 5, a lower die mechanism 2, a support frame 3 for supporting an upper die assembly and a lower die assembly, film pulling mechanisms 4 arranged on two sides of the upper die assembly and the lower die assembly, a control cabinet 6 respectively arranged on the upper portion of the support frame 3 and used for controlling all the components of the machine to work in order, and a box body 1 arranged on the lower portion of the support frame 3, wherein a modified atmosphere gas distribution system, a cylinder power system and a vacuum power system are arranged in the box body 1.

Supporting frame 3

As shown in fig. 3, the supporting frame 3 includes a top plate 31, a column 32 and a bottom plate 33, at least two columns 32 are disposed between the top plate 31 and the bottom plate 33, the column 32 is hollow, and the electric wires and the air pipes reach the box body 1 or the control cabinet 6 through the hollow cavity in the column 32.

Upper die mechanism 5

Referring to fig. 3 and 4, the upper die mechanism 5 includes an upper die body 51, a cylinder 52 disposed on an upper portion of the upper die body 51 and fixedly connected to a housing of the upper die body 51 to drive an extension rod of the upper die body 51 to move up and down, an upper vent block 53 disposed on one side of the upper die body 51, and a slider rail assembly 54 disposed between an end of the extension rod of the cylinder 52 and the top plate 31 for facilitating the removal of the cylinder 52.

The cylinder 52 is a double-head double-piston cylinder, and one of its piston rods extends upward and the other extends downward, the end of the piston rod extending upward is fixedly connected with a slider 541 described later, and the piston rod extending downward is fixedly connected with a plate provided in the upper die body 51 and mounted with a tool holder, a die holder and other related components. When the piston rod of the cylinder 52 extends upwards, the cylinder drives the upper die body 51 to move downwards to be matched with the lower die body because the top plate 31 is fixed; when the piston rod of the cylinder 52 extends downward, the upper and lower dies are brought with the tool holder downward to cut off the coating film except for the closing of the dies. This double-end double piston jar has avoided using the unbalanced problem of lift that two cylinders lead to easily, has also avoided using two cylinders to realize the unbalanced problem that parts such as tool rest go up and down, and uses slider slide rail set spare to realize dismantling fast and changing of cylinder.

The upper vent block 53 includes a first upper vent hole 531, an upper air-conditioning hole 532, and a second upper vent hole 533, the first upper vent hole 531 and the upper air-conditioning hole 532 are not communicated with the cavity of the upper die body 51, and the second upper vent hole 533 is communicated with only the cavity of the upper die body 51.

The sliding block sliding rail assembly 54 comprises a sliding rail 542 and a sliding block 541 sliding along the sliding rail 542, the sliding rail 542 is installed on the lower surface of the top plate 31, and the sliding block 541 is fixedly connected with the end of the extending rod of the air cylinder. When the air cylinder 52 needs to be replaced, the air cylinder 52 slides along the slide rail, so that the air cylinder 52 can be quickly detached and replaced

Lower die mechanism 2

As shown in fig. 5, the lower die mechanism 2 includes a lower die body 21, a lower vent block 22 provided on the lower die body 21 side, a lower die rotary assembly 233 provided in the middle of the lower die body 21 and driving the lower die body 21 to rotate, and a lower die positioning assembly 24 provided on the lower side of the lower die body 21; the upper surface of the lower die body 21 is divided into 2 or more subareas, each subarea is provided with a groove for placing a tray, the tray can be a box-packed tray or a flat tray, the side surface of each subarea is provided with a lower ventilating block 22, so the number of the lower ventilating blocks 22 is at least two, after the lower die body 21 rotates every time, the upper die body 51 corresponds to one subarea on the lower die body 21, the upper ventilating block 53 on the upper die body 51 corresponds to the lower ventilating block 22 on the corresponding subarea, and the cutter frame and the die frame on the upper die body 51 also correspond to the tray position of the corresponding subarea of the lower die body 21.

The lower ventilation block 22 comprises a first positioning shaft 221 arranged at the upper part of the ventilation block, a lower air-adjusting hole 222 and a lower ventilation hole 223 which are adjacent to the first positioning shaft 221 and penetrate through the ventilation block; one ends of the lower air adjusting hole 222 and the lower vent hole 223 are respectively communicated with the inner cavity of the lower die body 21; when the upper and lower die bodies are assembled, the first positioning shaft 221 is inserted into a cylindrical hole (not shown) on the upper die body to position the upper die body, the upper vent block 53 of the upper die mechanism 5 and the lower vent block 22 of the lower die mechanism 2 are tightly attached together when the body-attaching air-conditioning sealing operation is performed, specifically, the upper air-conditioning hole 532 is communicated with the lower air-conditioning hole 222, the first upper vent hole 531 is communicated with the lower vent hole 223, and the upper air-conditioning hole 532, the first upper vent hole and the second upper vent hole are right-angle turning holes.

As shown in fig. 7, the lower mold rotating assembly 233 includes a rotating shaft 231, two bearings 235 sequentially sleeved on the rotating shaft 231 from top to bottom, an upper swivel base 232, a swivel base gasket 233, and a lower swivel base 234; the bearing 235 is in interference fit with the rotating shaft 231, the upper swivel base, the lower swivel base and the swivel base gasket 233 between the upper swivel base and the lower swivel base are in clearance fit with the rotating shaft 231, the bolt is fixedly connected with the lower die body 21 through a threaded hole 2321 on the upper swivel base 232, and the lower swivel base 234 is arranged on the bottom plate 33; the swivel seat gasket 233 is formed by combining two semicircular gaskets to form a circular gasket, and a plurality of arc-shaped grooves 2331 are formed in the upper surface of the swivel seat gasket 233 to reduce the contact area with the upper swivel seat 232, reduce friction, improve the rotating efficiency of the lower die body 21 and reduce the operation difficulty of workers; the upper swivel base 232 is preferably made of stainless steel, and the swivel base gasket 233 is preferably made of copper, so as to improve the service life of the upper swivel base and the swivel base gasket.

When manual rotation lower mould body 21, because lower mould body 21 is connected with rotation axis 231 through bearing 235, rotation axis 231 does not rotate along with lower mould body 21, go up swivel mount 232 owing to link firmly with lower mould body 21, it rotates together with lower mould body 21 to go up swivel mount 232, lower swivel mount 234 rotates together with last swivel mount 232, thus, after the material packing on the subregion on lower mould body 21 seals, rotatory lower mould body 21 packs the material on another subregion, the material that packs is replaced by new unencapsulated material, need not take lower mould body 21 out like this and take out the material that packs, place the material that does not pack again, this lower mould rotating assembly 233 has improved the packing efficiency of material.

As shown in fig. 8 to 11, the lower die positioning assembly 24 includes a tightening assembly 241 and a driving member 242 for driving the tightening assembly 241 to tighten the lower die body 21; the tightening assembly 241 comprises two pairs of tightening sliding bases 2411, tightening sliding blocks 2412 sliding along the tightening sliding bases 2411, pull rods 2413 connected with the two tightening sliding blocks 2412, a second positioning shaft 2414 is arranged at the upper part of each pull rod 2413, and a tightening block 2415 is fixedly connected to the upper part of each tightening sliding block 2412; the surface of the tightening sliding block 2412 sliding on the tightening sliding base 2411 is provided with an inclined plane 24111, when the tightening sliding block 2412 slides over the inclined plane, the height of the tightening sliding block 2412 is raised, and the tightening block 2415 is pressed against the lower die body 21 on the upper part; the driving member 242 is a servo cylinder disposed between two tightening sliders 2411, and an end of an extending rod of the servo cylinder is connected to a pull rod 2413.

When the lower die body 21 rotates 180 degrees, a lower die in-place sensor (not shown) arranged near a partition corresponding to the upper die body on the lower die body 21 transmits a signal that the lower die body 21 rotates in place to a controller (not shown), the controller controls a servo cylinder to start, an extension rod of the servo cylinder extends out, a pull rod 2413 drives two tightening sliders 2412 to slide along a tightening slide base 2411, when the two tightening sliders 2412 slide on an inclined surface 24111 on the tightening slide base 2411, the heights of the two tightening sliders 2412 rise, a tightening block 2415 on the two tightening sliders 2412 tightly pushes the bottom of the lower die body 21 on the upper portion of the tightening slider, so that the lower die body 21 is positioned up and down, meanwhile, the height of a second positioning shaft 2414 rises, and the second positioning shaft 2414 is clamped into a lower die positioning groove 212, so that the lower die body 21 is positioned horizontally; when materials on a tray of a subarea corresponding to the upper die body on the lower die body 21 are packaged, a material packaging sensor transmits a signal of the packaged materials to a controller, the controller controls the servo cylinder to rotate reversely, an extension rod of the servo cylinder retracts, a pull rod 2413 drives two jacking sliding blocks 2412 to retract along a jacking sliding seat 2411, a jacking block 2415 loosens jacking on the lower die body 21, the height of a second positioning shaft 2414 is reduced to separate from a positioning groove 212, and horizontal locking on the lower die body 21 is released.

Lower mould locating component 24 is the key of realizing lower mould body 21 location, the location after lower mould body 21 rotates at every turn, and is very important to the packing of material, for example evacuation in the packaging process, processes such as cutter film cutting all need the position accurate, if can not guarantee the degree of accuracy, the product packaging film cutting also can the deviation, cause the packing extremely pleasing to the eye, and the position accuracy of lower mould body 21 just can be guaranteed well to this structure, and then guarantees that packing work is gone on without mistakes.

The lower die body 21 is provided with the lower die rotating assembly 23 and the lower die positioning assembly 24, so that the lower die body 21 can be rotatably positioned, when the partition corresponding to the lower die body 21 is subjected to skin, air conditioning or sealing work, trays and new products can be placed in other partitions on the lower die body 21, then the packaging partition is completed, the partition where the tray and the new products are just placed can be immediately rotated to a processing packaging area, the previously processed partition can be rotated out, then the packaged products are taken out, the new trays and the new products are placed in the partition, and the next rotation is waited.

When the device is used, a tray and materials (food or articles) to be packaged are placed on a subarea of the lower die body 21, after the operation equipment starts working, the servo cylinder 242 on the positioning assembly 24 rotates reversely, the height of the second positioning shaft 2414 descends to separate from the positioning groove 212 on the side of the lower die body 21, then a worker can manually rotate the lower die body 21 to transfer the subarea on the lower die body 21 where the tray is placed to a packaging area, a lower die in-place sensor for detecting whether the lower die body 21 is in place detects that the lower die body 21 is in place at the moment, a signal is transmitted to the controller, the controller controls the servo cylinder 242 on the lower die positioning assembly 24 to rotate forwards, an extension rod of the controller extends to drive the jacking sliding block 2412 to slide along the jacking sliding seat 2411, the jacking sliding block 2412 rises, the jacking block 2415 also rises to jack the lower die body 21 on the upper portion of the lower die body, and the positioning shaft rises along with the pulling plate 2413 and, the position of the lower die body 21 is limited up and down, left and right so as to package materials; after the partition packaging is finished, the material packaging sensor transmits a signal of the packaged material to the controller, the controller controls the servo cylinder 242 on the positioning assembly 24 to rotate reversely, the height of the second positioning shaft 2414 is lowered, the second positioning shaft 2414 is separated from the positioning groove 212 on the side edge of the lower die body 21, the jacking block 2415 on the lower die positioning assembly 24 does not jack the bottom of the lower die body 21 any more, a worker can manually rotate the lower die body 21 to rotate away the partition where the material is just packaged on the lower die body 21, the lower die in-place sensor for detecting whether the lower die body 21 is in place starts to work at the moment, a new partition of the lower die body 21 is detected to be in place, the servo cylinder 242 rotates forwards to enable the height of the second positioning shaft 2414 to be raised, the second positioning shaft 2414 is clamped into the positioning groove on the side edge of the lower die body 21, and the jacking block 2415 on the lower die positioning. The above working steps are circulated, so that the continuous packaging work can be realized.

Film drawing mechanism 4

As shown in fig. 12, the film drawing mechanism 4 includes a damping roller 41 for placing the film coating roller, a first pressing roller assembly 42 disposed at the lower part of the damping roller 41 before the damping roller is inclined, a second pressing roller assembly 45 disposed opposite to the first pressing roller assembly 42 and far away from the damping roller 41 side, and a film drawing shaft assembly 44 disposed at the upper part of the second pressing roller assembly 45 after the second pressing roller assembly is inclined, the damping roller 41 and the film drawing shaft assembly 44 are disposed opposite to each other, the film coating 43 on the film coating roller passes through the first pressing roller assembly, then passes through the gap between the upper and lower die bodies, passes through the second pressing roller assembly, and finally is coated on the film drawing shaft assembly 44.

First, two compression roller subassemblies are two compression roller structures, and this kind of structural style can furthest alleviate the tectorial membrane and draw the tectorial membrane fold problem of membrane in-process, and the roughness of tectorial membrane when effectively guaranteeing to draw the membrane.

As shown in fig. 13, each of the first and second pressing roller assemblies includes a first pressing roller 422, a second pressing roller 423 disposed on the upper portion of the first pressing roller 422, two pressing roller bases 421 sandwiching the first and second pressing rollers, and two pressing roller opening and closing assemblies 424 respectively disposed on the inner sides of the two pressing roller bases 421 and driving the second pressing roller 423 to move up and down. The first compression roller 422 is connected with the compression roller bases 421 at the two ends through threads, and replacement is convenient.

As shown in fig. 14, the platen opening and closing assembly 424 includes a handle 4241, a guide post seat 4242, a guide post 4243, a first spring 4244 and a spacer 4245; the guide column seat 4242 is installed on the pressure roller base 421, the upper part of the guide column 4243 is a cylinder 42431, the cylinder 42431 vertically passes through the through hole of the guide column seat 4242 and can move along the through hole, the lower part thereof is a block-shaped structure 42432, the first spring 4244 is arranged between the guide column seat 4242 outside the guide column 4243 and the block-shaped structure 42432, the bottom end surface of the block-shaped structure 42432 is concave circular arc, the cylindrical shaft extending out of the end of the second pressure roller 423 is matched with the concave circular arc surface at the bottom end of the block-shaped structure 42432, the handle 4241 comprises a handle 42411 and a cam block 42412 which are connected, the surface of the cam block 42412 is convex, the cylindrical shaft extending out of the end of the second pressure roller 423 is passed through the through hole on the cam block 42412 and extends out, the cylindrical shaft extending out of the end of the second pressure roller 423 is matched with the concave circular arc surface at the bottom end of the block-shaped structure 42432, the cushion block 4245 is arranged at the lower part of the cam block 42412 and is, the second press roller 423 is forced to be lifted to a certain height, the coating film passes through the gap between the first press roller and the second press roller, the operation is simple, the part of the cam block which is contacted with the cushion block 4245 after being reset is a plane, the cam block is ensured to be always kept stable under the condition of no external force, and the phenomenon that the cam block rotates randomly is avoided.

As shown in fig. 15 to 18, the film pulling shaft assembly 44 comprises a locking plate 441, a cylindrical pin 442, a second spring 443, a film winder 444, a film pulling shaft 445, a coupler 446 and a motor 447, wherein an output shaft of the motor 447 is connected with the film pulling shaft 445 through the coupler 446; a fixed retainer ring 4453 fixedly connected with the film pulling shaft is arranged at one end of the film pulling shaft 445, a U-shaped groove 4451 with the depth parallel to the length direction of the film pulling shaft 445 is arranged at the center of the end face at the other end of the film pulling shaft 445, a through hole 4452 vertically penetrating through the U-shaped groove 4451 is arranged on the circumference of the film pulling shaft 445, and a blind hole (not shown in the figure) is arranged at the bottom of the U-shaped groove 4451 along the length direction of the film pulling shaft 445; the film rolling device 444 is sleeved on the film pulling shaft 445, the position of the film rolling device 444 is limited by a fixed retaining ring, and the film rolling device 444 comprises a first end part 4441, a second end part 4442 and three cylindrical strips 4443 inserted into end face holes of the first end part and the second end part; the locking piece 441 is a ring-shaped piece, an annular hole 4411 is formed in the middle of the locking piece 441, the locking piece 441 is inserted into a U-shaped groove 4451 of the film pulling shaft 445, the cylindrical pin 442 penetrates through the through hole 4452 and the annular hole 4411 to fixedly connect the film rolling device 444 and the film pulling shaft 445 together to limit the other end position of the film rolling device 444, and the second spring is arranged between the blind hole and the cylindrical pin and props against the cylindrical pin to prevent the cylindrical pin from loosening.

When the film-coating device is installed, firstly, the film-coating is wound on the periphery of three cylindrical strips 4443 of the film-rolling device 444 for several circles, then the three cylindrical strips 4443 are sleeved on the film-drawing shaft 445, the locking piece 441 is inserted into the U-shaped groove 4451 of the film-drawing shaft 445, and the locking is carried out by the cylindrical pin 442.

One or both of the first and second pressing rollers can be a single pressing roller, and compared with a double pressing roller, the single pressing roller has less second pressing roller and pressing roller opening and closing assembly, as shown in fig. 19, so that the structure is simplified and the cost is saved under the condition of ensuring the flatness of the coated film.

The tray for equipment packaging can be a box-shaped tray or a flat tray, the box-shaped tray can be directly placed in a tray clamping groove on the lower die body 21, and the sealing edge of the box-shaped tray corresponds to the edge of a die in the upper die body 51, so that a tool can conveniently cut a film and the appearance is ensured; the flat plate tray can be directly placed in the tray clamping groove of the lower die body 21, and when the opening is sealed, the cutter in the upper die body 51 cuts the film, the redundant flat plate material beyond the edge of the die can be directly cut off. The box-shaped tray can be directly placed on the goods shelf, and the flat plate tray can be hung on the goods shelf, so that the invention can be suitable for box-shaped packaging and flat plate packaging to deal with different commodity selling forms, such as aquatic products, fresh beef steaks or other articles needing skin gas-conditioning sealing packaging, and can be suitable for application, thereby increasing the application range and the popularization rate of the invention.

When the invention is used, the invention is divided into three working modes, namely a skin mode, an air-conditioning mode and a sealing mode, wherein the skin mode mainly comprises the steps of vacuumizing, film cutting and the like, the air-conditioning mode mainly comprises the steps of vacuumizing, air-conditioning inflation, sealing, film cutting and the like, the sealing mode has no vacuumizing step and only sealing, the three modes are switched to operate through a controller on a control cabinet 6, and the specific working principle is as follows:

skin mode: firstly, a laminating roller is arranged on a damping roller 41, then the laminating is stretched and wound around a first pressing roller assembly 42 and a second pressing roller assembly 45, the laminating between the first pressing roller assembly 42 and the second pressing roller assembly 45 also passes through a gap between an upper die body 51 and a lower die body 21, and then is wound on a film-drawing shaft assembly 44; then, a tray and the food or the article to be skin-wrapped are placed on one subarea of the lower die body 21, then the working mode selects the skin mode, a start button on the control cabinet 6 is pressed, the controller controls the servo cylinder 242 on the lower die positioning component 24 to rotate reversely, the second positioning shaft 2414 is pushed out of the positioning groove 212 on the side edge of the lower die body 21, then a worker manually rotates the lower die body 21, a subarea on the lower die body 21 where a tray is placed is rotated to the lower side corresponding to the upper die body 51, at the moment, a lower die in-place sensor for detecting whether the lower die body 21 is in place detects that the tray and the material are below the subarea, when the lower die body 21 is detected to be in place, the controller controls the servo cylinder 242 on the lower die positioning component 24 to rotate forward, the second positioning shaft 2414 is clamped into the positioning groove 212 on the side edge of the lower die body 21, and the jacking block 2415 on the lower die positioning component 24 also jacks the bottom of the lower die body 21; then under the control of a controller, a piston rod of the air cylinder 521 extends upwards, the upper die body 51 moves downwards, a preheating part in the upper die body 51 preheats the coating, meanwhile, the other piston rod of the air cylinder 521 extends downwards to drive the cutter frame and the die frame to move downwards, when the upper die body 51 is attached to the lower die body 21, the die frame in the upper die body 51 can press the coating to the edge of a tray of the lower die body 21, the upper vent block 53 and the lower vent block 22 are attached to one, and the vacuum pump works, and the vacuum pipe is connected with the second upper vent hole 533 to realize the vacuum pumping work of the inner cavity of the upper die body 51, so that the coating is attached to the upper die in the upper die body, and the shape of the coating forms the shape of the upper die; the other vacuum tube is communicated with the first upper vent hole 531 through the connection, and the first upper vent hole 531 is communicated with the lower vent hole 223, so that the vacuum pumping work of the inner cavity of the lower die body 21 is realized, and the film which is changed into the shape of the upper die is attached to the material; the upper die body 51 stops vacuumizing, at the moment, the cutter frame in the upper die body 51 starts to move downwards, after the cutter frame in the upper die body 51 moves downwards, the cutter cuts off the edge of the film coated on the boxed tray, if the boxed tray is a flat tray, the cutter can cut off the excessive edge part of the flat tray, after the cutting is finished, the cutter frame moves upwards to reset, the die frame also moves upwards to reset along with the upward movement, and the lower die body 21 stops vacuumizing; next, under the control of the controller, the relevant electric valves are opened, the cavities in the lower and upper die bodies 21 and 51 are deflated, and the vacuum state is removed; finally, the upper die body 51 moves upwards to reach the highest position, the film pulling motor 447 of the film pulling shaft assembly 44 works, the used coating film is wound on the film pulling shaft assembly 44, the servo cylinder 242 of the lower die positioning assembly 24 rotates reversely, the second positioning shaft 2414 exits the positioning groove 212, the jacking block 2415 of the lower die positioning assembly 24 cannot jack the bottom of the lower die body 21, a worker can manually rotate the lower die body 21 to rotate away the partition just attached to the lower die body 21, the lower die in-place sensor for detecting whether the lower die body 21 is in place starts to work at the moment, the new partition of the lower die body 21 is detected to be in place, the servo cylinder on the lower die positioning assembly 24 rotates forwards, the second positioning shaft 2414 is lifted, the second positioning shaft 2414 is clamped into the positioning groove 212 on the side of the lower die body 21, and the jacking block on the lower die positioning assembly 24 can jack the bottom of the lower die body 21. The working steps are circulated in the above way, so that the continuous skin-attaching work can be realized.

Air conditioning mode: firstly, a laminating roller is arranged on a damping roller 41, then the laminating is stretched and wound around a first pressing roller assembly 42 and a second pressing roller assembly 45, the laminating between the first pressing roller assembly 42 and the second pressing roller assembly 45 also passes through a gap between an upper die body 51 and a lower die body 21, and then is wound on a film-drawing shaft assembly 44; then, a tray and food or articles to be air-conditioned packaged are placed on a subarea of the lower die body 21, then the working mode selects the air-conditioned mode, a start button on the control cabinet 6 is pressed, the servo cylinder 242 of the lower die positioning assembly 24 is reversed, the second positioning shaft 2414 is withdrawn from the positioning groove 212 on the side edge of the lower die body 21, then a worker can manually rotate the lower die body 21, the subarea on the lower die body 21 where the tray is placed is rotated to the lower side corresponding to the upper die body 51, the lower die in-place sensor for detecting whether the lower die body 21 is in place works at the moment, the lower die body 21 is detected to be in place, the servo cylinder 242 on the lower die positioning assembly 24 works, the height of the second positioning shaft 2414 is raised, the second positioning shaft 2414 is clamped into the positioning groove 212 on the side edge of the lower die body 21, and the jacking block 2415 on the; then, under the control of the controller, the upper piston rod of the cylinder 521 extends upwards to realize the downward movement of the upper die body 51, in the process, the preheating part in the upper die body 51 preheats the coating, and meanwhile, the lower piston rod of the cylinder 521 extends downwards to realize the downward movement of the cutter frame and the die frame in the upper die body 51; when the upper die body 51 and the lower die body 21 are attached together, a die frame in the upper die body 51 presses a coating film to the edge of a tray of the lower die body 21, the upper vent block 53 and the lower vent block 22 are attached together, a vacuum pump works, a vacuum tube is connected with the first upper vent hole 531, the first upper vent hole 531 is communicated with the lower vent hole 223, the vacuumizing work of an inner cavity of the lower die body 21 is realized, the vacuumizing stops after the time delay, then the air-conditioning power system works, the lower air-conditioning hole 222 is communicated through the upper air-conditioning hole 532, and then the inner cavity of the lower die body 21 is filled with air-conditioning gas; at this time, the tool rest in the upper die body 51 starts to move downwards, after the tool rest in the upper die body 51 moves downwards, the cutter cuts off the edge of the film coated on the box-shaped tray 7, if the tray is a flat tray, the cutter can cut off the excessive edge part of the flat tray, after the cutting, the tool rest moves upwards to reset, and the die rest moves upwards to reset along with the tool rest; the upper die body 51 moves upward to the highest position, the film-drawing motor 447 of the film-drawing shaft assembly 44 works, the used film is rolled on the film-drawing shaft assembly 44, then the servo cylinder 242 on the lower die positioning component 24 rotates reversely to withdraw the second positioning shaft 2414, the second positioning shaft 2414 is separated from the positioning groove 212 on the side of the lower die body 21, the tightening block 2415 on the lower die positioning component 24 can not tightly press the bottom of the lower die body 21 any more, then a worker can manually rotate the lower die body 21 to rotate the partition which is just adjusted in atmosphere on the lower die body 21 away, the lower die in-place sensor which detects whether the lower die body 21 is in place starts to work, the new partition of the lower die body 21 is detected to be in place, the cylinder on the lower die positioning component 24 works to raise the height of the second positioning shaft 2414, the second positioning shaft 2414 is clamped into the positioning groove 212 on the side of the lower die body 21, and the tightening block 2415 on the lower die positioning component 24 can also tightly press the bottom of. The above working steps are circulated, so that continuous modified atmosphere packaging work can be realized.

And (3) sealing mode: firstly, a laminating roller is arranged on a damping roller 41, then the laminating is stretched and wound around a first pressing roller assembly 42 and a second pressing roller assembly 45, the laminating between the first pressing roller assembly 42 and the second pressing roller assembly 45 also passes through a gap between an upper die body 51 and a lower die body 21, and then is wound on a film-drawing shaft assembly 44; then, a tray and the food or the object to be sealed and packaged are placed on one subarea of the lower die body 21, then the working mode selects a sealing mode, a start button on the control cabinet is pressed, the air cylinder on the lower die positioning assembly 24 works, the second positioning shaft 2414 is withdrawn, the second positioning shaft 2414 is separated from the positioning groove 212 on the side edge of the lower die body 21, then a worker can manually rotate the lower die body 21, the partition of the tray placed on the lower die body 21 is transferred to the lower surface corresponding to the upper die body 51, the lower die in-place sensor for detecting whether the lower die body 21 is in place works, the servo air cylinder 242 on the lower die positioning assembly 24 rotates forwards to raise the height of the second positioning shaft 2414, the second positioning shaft 2414 is clamped to the positioning groove 212 on the side edge of the lower die body 21, and the jacking block 2415 on the lower die positioning assembly 24 also jacks the bottom of the lower die body 21; then, under the control of the controller, the piston rod at the end of the cylinder 521 connected with the top plate 31 extends upwards to realize the downward movement of the upper die body 51, in the process, the preheating component in the upper die body 51 can preheat the coating, and meanwhile, the piston rod at the end of the cylinder 521 connected with the upper die body 51 extends downwards to realize the downward movement of the tool rest and the die rest in the upper die body 51; secondly, when the upper die body 51 and the lower die body 21 are attached together, the die frame in the upper die body 51 presses the coating film to the edge of the tray of the lower die body 21; at this time, the tool rest in the upper die body 51 starts to descend, after the tool rest in the upper die body 51 descends, the cutter cuts off the edge of the film of the boxed tray, after the cutting, the tool rest moves upwards to reset, and the tool rest also moves upwards to reset along with the cutter; finally, the upper die body 51 moves upwards to reach the highest position, the film pulling motor 447 of the film pulling shaft assembly 44 works, the used coating film is wound on the film pulling shaft assembly 44, the cylinder on the lower die positioning assembly 24 works to withdraw the second positioning shaft 2414, the second positioning shaft 2414 is separated from the positioning groove 212 on the side edge of the lower die body 21, the jacking block 2415 on the lower die positioning assembly 24 cannot jack the bottom of the lower die body 21, a worker can manually rotate the lower die body 21 to rotate the partition just sealed on the lower die body 21, the lower die in-place sensor for detecting whether the lower die body 21 is in place starts to work at the moment, the new partition of the lower die body 21 is detected to be in place, the cylinder on the lower die positioning assembly 24 works to recover the second positioning shaft 2414, the second positioning shaft 2414 is buckled to the positioning groove on the side edge of the lower die body 21, and the jacking block on the positioning assembly 24 can jack the bottom of the lower die body. The above working steps are circulated, and the continuous sealing work can be realized.

The invention solves the problem that the traditional skin packaging, modified atmosphere packaging and sealing packaging need more than two machines to complete the work under the condition of not replacing any accessories, and can realize three different working states only by changing the working mode of one device, thereby saving the device cost and greatly improving the working efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

The first positioning shaft 221 of the lower vent block 22 may be disposed on the upper vent block 53, and the lower vent block 22 may be disposed with a cylindrical hole matching the first positioning shaft.

Claims

1. The utility model provides a skin gas conditioning seals integrative packagine machine which characterized in that, it includes:

an upper die mechanism (5) comprising

the upper die body (51) is fixedly connected with the cylinder shell at the lower part of the cylinder;

an upper vent block (53) provided on one side of the upper die body (51);

a lower die mechanism (2) arranged at the lower part of the upper die mechanism (5) and comprising

The lower die body (21) is provided with at least two subareas for placing the trays on the upper surface;

a lower die rotating assembly (23) which is arranged in the middle of the lower die body (21) and around which the lower die body (21) can rotate;

the lower die positioning assembly (24) is arranged on one side of the lower part of the lower die body (21) and used for locking the horizontal and vertical displacements of the lower die body (21);

the lower ventilation block (22) is arranged on one side of the lower die body (21), and when the upper die body and the lower die body are closed, the upper ventilation block and the lower ventilation block are aligned to realize the vacuum of the inner cavities of the upper die body and the lower die body and the air-conditioned inflation of the inner cavity of the lower die body;

and the film drawing mechanism (4) is arranged on two sides of the upper die mechanism and the lower die mechanism, used films for packaging materials are conveyed, the films cut by packaging are collected, and the used films for packaging materials penetrate through a gap between the upper die body and the lower die body.

2. The unitary packaging machine according to claim 1, characterized in that said lower die rotating assembly (23) comprises:

a rotating shaft (231) disposed between the top plate (31) and the bottom plate (33);

from top to bottom establish in proper order the bearing (235), upward swivel mount (232) and lower swivel mount (234) on rotation axis (231), lower mould body (21) pass through bearing (235) with rotation axis (231) assembly, upward, down swivel mount with rotation axis (231) clearance fit, upward swivel mount (232) with lower mould body (21) link firmly, the setting of lower swivel mount is in on bottom plate (33).

3. The unitary packaging machine according to claim 1 or 2, characterized in that said upper vent block (53) comprises a first upper vent hole (531), an upper vent hole (532) and a second upper vent hole (533), said second upper vent hole (533) communicating only with the inner cavity of said upper die body (51); the lower vent block (22) comprises a lower air adjusting hole (222) and a lower vent hole (223), and one ends of the lower air adjusting hole (222) and the lower vent hole (223) are respectively communicated with an inner cavity of the lower die body (21); when the upper and lower die bodies are closed, the upper and lower air adjusting holes are communicated, and the first upper vent hole is communicated with the lower vent hole.

4. The unitary packaging machine according to claim 1, wherein the lower die positioning assembly (24) comprises at least one pair of tightening assemblies (241) and a driving member (242) for driving the tightening assemblies (241) to tighten and lock the lower die body (21), the tightening assemblies (241) comprise

The device comprises a jacking sliding seat (2411), a jacking sliding block (2412) sliding along the jacking sliding seat (2411) and a jacking block (2415) arranged on the upper part of the jacking sliding block (2412), wherein a sliding surface of the jacking sliding block (2412) sliding along the jacking sliding seat (2411) is an inclined surface, and the lower die body (21) is arranged on the upper part of the jacking block (2415);

the driving piece (242) is connected with the jacking sliding block (2412) and drives the jacking sliding block to slide through the inclined plane, and the jacking sliding block (2415) is lifted to jack the bottom of the lower die body (21).

5. The integrated packaging machine according to claim 4, wherein a second positioning shaft (2414) is arranged at the upper part of the tightening slider (2412), a positioning groove (212) is arranged at the bottom outer edge of the partition side of the lower die body (21), and when the tightening block (2415) is pressed against the bottom of the lower die body (21), the second positioning shaft (2414) is clamped into the positioning groove (212).

6. The integrated packaging machine according to claim 1, wherein the film drawing mechanism (4) comprises a first and a second pressing roller assemblies which are oppositely arranged, at least one of the first and the second pressing roller assemblies is a double pressing roller structure, and the double pressing roller structure comprises:

two oppositely arranged press roll bases (421);

the first pressing roller (422) is arranged between the two pressing roller bases (421), the second pressing roller (423) is arranged on the upper portion of the first pressing roller (422), and the first pressing roller (422) is fixedly connected with the two pressing roller bases (421);

and the two pressing roller opening and closing assemblies (424) are respectively arranged on the inner sides of the two pressing roller bases (421) and drive the second pressing roller (423) to lift.

7. The unitary packaging machine according to claim 6, wherein said pressure roller opening and closing assembly (424) comprises:

a guide post seat (4242) installed inside the press roller base (421),

a guide post (4243), the upper part of which is a cylinder vertically passing through the through hole of the guide post seat (4242) and extending out, the lower part of which is a block-shaped structure (42432), the bottom surface of the block-shaped structure is an inward concave circular arc,

a first spring (4244) disposed outside the guide post (4243) between the guide post seat (4242) and the block structure (42432),

a handle (4241) comprising a handle and a cam block having a convex cross section, wherein the end of the second pressing roller (423) passes through the through hole of the cam block and protrudes,

the end part of the second press roller (423) extending out of the cam block is matched with the concave arc surface at the bottom of the blocky structure,

a spacer block (4245) disposed at a lower portion of the cam block and contacting therewith.

8. The unitary packaging machine according to claim 6, wherein said film-drawing mechanism (4) further comprises a film-drawing shaft assembly (44) disposed at the upper and rearward inclination of said second pressing roller assembly, and comprising:

the film drawing shaft (445) is provided with a fixed retainer ring (4453) at one end, a U-shaped groove (4451) with the depth parallel to the length direction of the film drawing shaft (445) is arranged at the end face of the other end, and a through hole (4452) vertically penetrating through the U-shaped groove (4451) is arranged on the circumference of the film drawing shaft (445);

the film rolling device (444) is sleeved on the film pulling shaft (445);

the center of the lock piece (441) is provided with an annular hole (4411) which is inserted into the U-shaped groove (4451) at the end part of the film pulling shaft (445);

a cylindrical pin (442) passing through the through hole (4452) and the annular hole (4411).

9. The unitary wrapping machine of claim 8, wherein said draw film shaft assembly (44) further comprises a second spring, a blind hole being disposed along a length of said draw film shaft (445) at a bottom of said U-shaped slot (4451), said second spring being disposed between said blind hole and said cylindrical pin (442).

10. The unitary packaging machine according to claim 5, wherein a pull rod (2413) is fixedly connected to an end portion perpendicular to a sliding direction of the tightening slider (2412), the second positioning shaft (2414) is disposed on an upper portion of the pull rod (2413), and the driving member (242) is fixedly connected to the pull rod (2413) and drives the pull rod (2413) to horizontally reciprocate.