CN115180243A - Packaging film transverse sealing mechanism and vertical packaging machine - Google Patents
Packaging film transverse sealing mechanism and vertical packaging machine Download PDFInfo
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- CN115180243A CN115180243A CN202210846998.1A CN202210846998A CN115180243A CN 115180243 A CN115180243 A CN 115180243A CN 202210846998 A CN202210846998 A CN 202210846998A CN 115180243 A CN115180243 A CN 115180243A
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- 238000007789 sealing Methods 0.000 title claims abstract description 374
- 239000012785 packaging film Substances 0.000 title claims abstract description 99
- 229920006280 packaging film Polymers 0.000 title claims abstract description 99
- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 238000004806 packaging method and process Methods 0.000 title claims description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 66
- 238000005520 cutting process Methods 0.000 claims abstract description 39
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 84
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- 239000000112 cooling gas Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009423 ventilation 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
- 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
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
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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
- B65B51/32—Cooling, or cooling and pressing, package closures after heat-sealing
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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
- 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
Abstract
The application relates to a packaging film violently seals mechanism and vertical packagine machine, wherein, packaging film violently seals the mechanism including relative open, the first of closing, the horizontal portion of sealing of second, both relative side end faces are used for forming the heat-sealing cover, and first horizontal portion of sealing includes: the first transverse sealing block is provided with a heat sealing strip along the length direction; a heating through hole is formed in the first transverse sealing block in a penetrating mode along the length direction of the first transverse sealing block, and a heating strip is arranged in the heating through hole; the second cross seal includes: the second transverse sealing block is provided with a heat sealing piece corresponding to the heat sealing strip along the length direction; a heating through hole is also formed in the length direction of the second transverse sealing block in a penetrating manner, and a heating strip is arranged in the heating through hole; wherein the heat seal strip and the heat seal piece are correspondingly arranged in shape and position; the first transverse sealing block is provided with a cutting blade along the length direction and towards one side of the heat sealing piece, and the cutting blade is used for cutting off the packaging film. The packaging film that this application embodiment provided seals mechanism structure is violently simple, the packaging film after the heat-seal can not appear the fold phenomenon, can replace the packaging film who utilizes the heater strip to carry out heating on the market and seal the mechanism violently.
Description
Technical Field
The application relates to the technical field of material packaging, in particular to a packaging film transverse sealing mechanism and a vertical packaging machine.
Background
At present, the package of many products on the market is realized by packaging with plastic packaging films. The packaging of plastic packages is effected, among other things, by special packaging equipment, such as vertical packaging machines. The plastic packaging membrane mainly divide into single membrane and complex film, violently seals the field at the single membrane, violently seal the mechanism among the current vertical packaging machine and mostly adopt the heating wire to carry out heating sealing surely to the single membrane, but utilize the heating wire to encapsulate to the single membrane and have many problems, for example, at the in-process of changing the heater strip, need take off whole heat-seal piece, whole change process work is loaded down with trivial details, and is very troublesome. Therefore, in order to solve the above problems, it is necessary to provide a new transverse sealing mechanism for a packaging machine.
Disclosure of Invention
To the technical problem who exists among the prior art, this application has proposed a packaging film horizontal sealing mechanism and vertical packagine machine. The packaging film transversely seals the heat-seal that the mechanism utilizes first violently to seal the piece and the second is violently sealed to realize the packaging film that this application embodiment provided, especially is equipped with the heating hole on first violently seals the piece and the second is violently sealed, can insert the heating strip and heat violently seals the piece, when more changing the heating strip, need not tear the heat-seal piece and just can change, and is convenient simple. In addition, the heat sealing strip is arranged on the heat sealing surface of the first transverse sealing block, so that the heat sealing opening can be prevented from being wrinkled, and a better heat sealing effect is achieved.
The embodiment of this application provides a packaging film violently seals mechanism, including the first violently sealed portion and the second violently sealed portion of opening relatively, closing, the side that both are relative is used for forming the heat-seal cover, and first violently sealed portion includes: the first transverse sealing block is provided with a heat sealing strip along the length direction of the first transverse sealing block and is used for transferring heat and carrying out heat sealing on the packaging film; a heating through hole is formed in the length direction of the first transverse sealing block in a penetrating mode, and the heating through hole is used for inserting a heating strip for heating the first transverse sealing block; the second cross seal includes: the second transverse sealing block is provided with a heat sealing piece corresponding to the heat sealing strip along the length direction of the second transverse sealing block, and the heat sealing piece is used for transferring heat, is correspondingly matched with the heat sealing strip to form a heat sealing surface and carries out heat sealing on the packaging film; a heating through hole is also formed in the length direction of the second transverse sealing block in a penetrating manner, and the heating through hole is used for inserting a heating strip for heating the second transverse sealing block; wherein the heat seal strip and the heat seal piece are correspondingly arranged in shape and position; the first transverse sealing block is provided with a cutting blade along the length direction and towards one side of the heat sealing piece, and the cutting blade is used for cutting off the packaging film.
Optionally, the heat seal is a ribbed structure of the same shape as the heat seal bar.
Optionally, the heat seal is a heat seal tooth protruding from the second transverse seal block and facing the heat seal strip; the quantity that sets up of heat-seal tooth is a plurality of, and a plurality of heat-seal teeth equidistance interval sets up, and the total width of setting up of a plurality of heat-seal teeth is corresponding with the width of heat-seal strip.
Alternatively, the heat seal bars or heat seals are all rubber.
Optionally, the rubber is further nitrile rubber.
Optionally, the temperature control unit is connected with the temperature detection piece and the heating strip respectively, and outputs a signal to control the temperature of the heating strip according to a result obtained by comparing the detection temperature of the temperature detection piece with the preset temperature of the heating strip.
Optionally, the first cross seal further comprises: the device comprises a first transverse sealing cooling block, a first transverse sealing sliding block and an air cylinder, wherein the first transverse sealing sliding block is fixed on a guide rod, and the guide rod drives the first transverse sealing sliding block to move; the first transverse sealing slide block is provided with a first transverse sealing cooling block towards the side face of the heat sealing strip along the movement direction of the first transverse sealing slide block and used for clamping and cooling the packaging film, wherein the first transverse sealing cooling block comprises a first upper transverse sealing cooling block and a first lower transverse sealing cooling block, the first transverse sealing block is arranged between the first upper transverse sealing cooling block and the first lower transverse sealing cooling block, and the first transverse sealing block is connected with a piston rod of the air cylinder so that the movement direction of the first transverse sealing block is consistent with the movement direction of the first transverse sealing slide block.
Optionally, the cylinder body of the cylinder is fixed on the side surface of the first transverse sealing slide block opposite to the first transverse sealing cold block mounting surface through a cylinder mounting plate, the piston rod of the cylinder is fixedly connected with the first transverse sealing block through a mounting assembly, wherein,
the installation component comprises: the heat insulation device comprises a pin shaft, a fixing seat and a heat insulation pad, wherein the end part of a piston rod of a cylinder is connected with a Y-shaped joint of the cylinder, the fixing seat comprises a fixing plate and a lug, the lug is axially provided with a connecting hole, the connecting hole is connected with the Y-shaped joint of the cylinder through the pin shaft, and a limiting groove is arranged on the Y-shaped joint of the cylinder at a position corresponding to a pin cap of the pin shaft and used for limiting the first transverse sealing block to deviate when the first transverse sealing block moves under the driving of the cylinder;
the side surface of the fixing plate, which is back to the lug mounting surface, is connected with the first transverse sealing block through a heat insulation pad.
Optionally, the second cross seal further comprises: and the cutting blade accommodating groove is formed in the side face, opposite to the heat sealing strip, of the second transverse sealing block and corresponds to the position of the cutting blade, and is used for accommodating the cutting blade during film cutting action.
Optionally, the second cross seal further comprises: the second transverse sealing cooling block is movably connected with the guide rod, the second transverse sealing cooling block which corresponds to the first transverse sealing cooling block in a one-to-one mode in position is installed on the side face, opposite to the heat sealing strip, of the second transverse sealing slider, the second transverse sealing cooling block is matched with the first transverse sealing cooling block and used for clamping and cooling the packaging film, a push rod is installed on the side face, back to the back, of the second transverse sealing slider and the mounting face of the second transverse sealing cooling block, and the second transverse sealing slider is pushed to move on the guide rod under the action of a power source.
Optionally, the power source drives the guide rod and the push rod to move through a slider-crank assembly, the slider-crank assembly comprises a first long slider, a second long slider, a transmission shaft, and a first crank and a second crank which move in opposite directions, two ends of the first crank are rotatably connected with the first long slider and the transmission shaft respectively, two ends of the first long slider are fixed on the guide rod, and the guide rod is driven to move axially along the guide rod under the action of the transmission shaft; two ends of the second crank are respectively rotatably connected with the second long sliding block and the transmission shaft, two ends of the second long sliding block are slidably connected with the guide rod, the push rod is fixedly connected with the second long sliding block, and the push rod pushes the second transverse sealing sliding block to move axially along the guide rod under the action of the transmission shaft; wherein, the power source is a motor or a cylinder component.
Optionally, the first transverse sealing cooling block and the second transverse sealing cooling block are both provided with a vent hole, the vent hole penetrates through the bodies of the first transverse sealing cooling block and the second transverse sealing cooling block along the length direction, and an air inlet of the vent hole is formed in a side end face perpendicular to the mounting face and used for introducing cooling air; the clamping surfaces of the first transverse sealing cooling block and the second transverse sealing cooling block are provided with rubber round strips along the length direction.
Optionally, the junction of the lower side surfaces of the first transverse sealing cooling block and the second transverse sealing cooling block and the clamping surface is provided with a chamfer, and the chamfer is provided with a wind dispersing hole communicated with a ventilation hole for conveying cooling gas to the surface of the packaging film.
The application also provides a vertical packaging machine, at least including violently sealing mounting panel and bearing structure, violently seal the mounting panel and fix on bearing structure, vertical packaging machine still includes as aforesaid the packaging film violently seal the mechanism, the linear bearing of the horizontal mechanism of sealing of packaging film is fixed on violently sealing the mounting panel, the packaging film passes the passageway that forms between the horizontal portion of sealing of first violently portion and second compresses tightly the face, the first violently portion of sealing presss from both sides tightly and cuts, heat-seal packaging film with the horizontal portion of sealing of second.
Optionally, the packaging film is a single film or a composite film.
Through setting up first horizontal sealing piece and the horizontal sealing piece of second to set up the heat-seal strip on first horizontal sealing piece, set up the heat-seal spare on the horizontal sealing piece of second corresponds the position, realize the heat-seal of packaging film through the cooperation of heat-seal strip and heat-seal spare. In addition, all be equipped with the heating hole on first violently sealing the piece and the second violently sealing the piece for insert the heating strip, like this, the change process of heating strip is very simple high-efficient, need not tear open first violently sealing the piece and just can carry out the change of heating strip. The packaging film that this application embodiment provided seals mechanism structure is violently simple, the packaging film after the heat-seal can not appear the fold phenomenon, can replace the packaging film who utilizes the heater strip to carry out heating on the market and seal the mechanism violently.
Drawings
Preferred embodiments of the present application will now be described in further detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of a transverse sealing mechanism of a packaging film according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
FIG. 3 is a view in the direction C of FIG. 1;
FIG. 4 is a partial cross-sectional view taken along line B-B of FIG. 3;
fig. 5 is a schematic partial structural view illustrating a piston rod of a cylinder in a single-film transverse sealing structure fixedly connected to a first transverse sealing block through a mounting assembly according to an embodiment of the present application; and
fig. 6 is a schematic view of the overall structure of a vertical packaging machine according to an embodiment of the present application.
[ description of reference ]
100. A packaging film transverse sealing mechanism; 101. heat sealing; 102. a first transverse sealing block; 1021. a first upper transverse sealing block; 1022. a first lower transverse sealing block; 103. a second transverse sealing block; 1031. a second upper transverse sealing block; 1032. a second lower transverse sealing block; 104. a linear bearing seat; 201. heat sealing the strips; 202. heating the through hole; 203. heat sealing; 204. mounting grooves; 205. a cutting blade accommodating groove; 206. chamfering; 207. a wind-dispersing hole; 301. a first long slider; 302. a second long slider; 303. a drive shaft; 304. a first crank; 305. a second crank; 306. a connecting rod; 401. a first cross seal cooling block; 4011. a first upper cross-sealed cooling block; 4012. a first lower cross seal cooling block; 402. a first transverse sealing slide block; 403. a cylinder; 404. a guide bar; 405. a piston rod; 406. a mounting surface; 407. cutting a blade; 408. a support block; 409. a cylinder body; 410. a cylinder mounting plate; 411. a second cross seal cooling block; 4111. a second upper cross-sealed cooling block; 4112. a second lower cross seal cooling block; 412. a second transverse sealing slide block; 413. a push rod; 414. rubber round bars; 415. a vent hole; 416. (ii) a 418. A cutting blade accommodating groove; 501. a pin shaft; 5011. a pin cap; 502. a fixed seat; 5021. a fixing plate; 5022. a lug; 503. a heat insulating pad; 504. a cylinder Y joint; 505. connecting holes; 506. a limiting groove; 600. vertical packaging; 600. a vertical packaging machine; 601. transversely sealing the support plate; 602. a support structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.
In the following detailed description, reference is made to the accompanying drawings that form a part hereof and in which is shown by way of illustration specific embodiments of the application. In the drawings, like numerals describe substantially similar components throughout the different views. Various specific embodiments of the present application are described in sufficient detail to enable those skilled in the art, having the benefit of this disclosure, to practice the subject application. It is to be understood that other embodiments may be utilized and structural, logical or electrical changes may be made to the embodiments of the present application.
Fig. 1 is a schematic structural view of a transverse sealing mechanism of a packaging film according to an embodiment of the present application. As shown in fig. 1, the packaging film transverse sealing mechanism 100 includes a first transverse sealing portion and a second transverse sealing portion which are opened and closed oppositely, and opposite sides of the first transverse sealing portion and the second transverse sealing portion are used for forming a heat-sealing cover 101. The heat seal surface 101 of the first transverse seal is opposed to the heat seal surface (not shown) of the second transverse seal, and the two are moved toward each other and brought into contact.
Fig. 2 is an enlarged view of a portion a of fig. 1. As shown in fig. 2 in conjunction with fig. 1, the first cross seal includes: the first transverse sealing block 102 is provided with a heat sealing strip 201 along the length direction of the first transverse sealing block for transferring heat and performing heat sealing on the packaging film. A heating through hole 202 is formed through the first cross seal block 102 along the length direction of the first cross seal block, and the heating through hole 202 is used for inserting a heating strip (not shown) for heating the first cross seal block. The second cross seal includes: and the second transverse sealing block 103 is provided with a heat sealing piece 203 corresponding to the heat sealing strip 201 along the length direction of the second transverse sealing block 103, and the heat sealing piece 203 is used for transferring heat and is correspondingly matched with the heat sealing strip 201 to form a heat sealing cover 101 and carry out heat sealing on the packaging film. A heating through hole 202 is also formed in the second cross seal block 103 so as to penetrate along the length direction of the second cross seal block, and the heating through hole 202 is used for inserting a heating strip for heating the second cross seal block 103. The first cross seal block 102 is provided with a cutting blade (not shown) along its length and on the side facing the heat seal 203, the cutting blade being used for cutting the packaging film.
In some embodiments, the heat-seal bar 201 has a certain thickness along the heat-seal plane advancing direction, and the side of the first transverse sealing block 102 facing the heat-seal plane of the second transverse sealing block 103 is provided with a groove for accommodating the heat-seal bar 201. One part of heat sealing strip 201 is fixed in the groove, the other part is exposed in the air, heat sealing strip 201 can generate elastic deformation when being squeezed with heat sealing piece 203, therefore, the squeezing of the two parts can not apply excessive pressure to the heat sealing position of the packaging film, and the packaging film can be prevented from being scalded during heat sealing because of excessive pressure to a certain extent. In addition, two side edges of the groove can be provided with chamfers, so that the appearance of the first transverse sealing block 102 is more compact and attractive. With continued reference to fig. 2, the first cross sealing block 102 is divided into a first upper cross sealing block 1021 and a first lower cross sealing block 1022 by the mounting groove 204 for mounting the cutting blade, the first upper cross sealing block 1021 and the first lower cross sealing block 1022 are configured to be vertically symmetrical with the mounting groove 204 for the cutting blade as a symmetry axis, accordingly, the second cross sealing block 103 is divided into a second upper cross sealing block 1031 and a second lower cross sealing block 1032 by the cutting blade receiving groove 205, the first upper cross sealing block 1021 corresponds to the second upper cross sealing block 1031, and the first lower cross sealing block 1022 corresponds to the second lower cross sealing block 1032. When the packaging film is positioned between the first transverse sealing block 102 and the second transverse sealing block 103, the first transverse sealing block 102 and the second transverse sealing block 103 move oppositely under the action of a power device, the packaging film is cut into an upper part packaging film and a lower part packaging film by a cutting blade, at the moment, the cutting blade cuts the upper part packaging film to form a lower opening, the lower part packaging film to form an upper opening, and the upper opening is heat-sealed under the combined action of the first upper transverse sealing block and the second upper transverse sealing block; the lower opening is heat sealed under the action of the first lower transverse sealing block and the second lower transverse sealing block.
The heat seal of the packaging film is realized through the matching of the heat seal strip 201 and the heat seal piece 203 by arranging the first transverse sealing block 102 and the second transverse sealing block 103, arranging the heat seal strip 201 on the first transverse sealing block 102 and arranging the heat seal piece 203 on the corresponding position of the second transverse sealing block 103. In addition, the first transverse sealing block 102 and the second transverse sealing block 103 are both provided with heating through holes 202 for inserting heating strips, so that the replacement process of the heating strips is very simple and efficient, and the heating strips can be replaced without detaching the first transverse sealing block 102. Utilize the packaging film that this application embodiment provided to violently seal mechanism simple structure, heat-seal back packaging film can not appear the fold phenomenon, can replace the packaging film who utilizes the heater strip to carry out the heating on the market violently seal the mechanism.
In some embodiments, heat seal 203 is optionally a ribbed structure having the same shape as heat seal bar 201. The second transverse sealing block 103 has the same structure as the first transverse sealing block 102, except that the material of the heat sealing member 203 is the same as that of the second transverse sealing block 103, and may be a metal material, while the material of the heat sealing strip 201 is rubber, and further may be nitrile rubber. In other embodiments, the material of heat seal 203 may be the same rubber as the material of heat seal bar 201, and specifically, may be nitrile rubber. By adopting the materials, the packaging film to be heat-sealed can be a single film or a composite film, so that the range of the packaging film is greatly expanded.
In some embodiments, heat seal 203 and heat seal bar 201 may also have different structures, for example, heat seal 203 may be heat seal teeth protruding from second transverse sealing block 103 and facing heat seal bar 201. As shown in fig. 2, the heat sealing member 203 has a heat sealing tooth structure, the heat sealing tooth is a strip-shaped protruding tooth protruding from the side of the second transverse sealing block 103 and extending along the length direction of the second transverse sealing block 103, when the first transverse sealing block 102 and the second transverse sealing block 103 perform a cutting motion, the packaging film is sandwiched between the heat sealing tooth and the heat sealing strip, and the heat sealing tooth and the heat sealing strip move towards each other to apply pressure to the packaging film. The material of the heat sealing teeth is the same as that of the second heat sealing block, and the heat sealing strips are made of metal materials, specifically, nitrile rubber. The temperature of the heat-sealing teeth is the same as that of the second transverse sealing block, the heat-sealing strip also has a certain temperature, and when the cutting blade cuts, the heat-sealing teeth and the heat-sealing strip compact the packaging film and heat-seal the packaging film by using high temperature.
The heat sealing strip made of the rubber material is arranged on the first transverse sealing block, so that the packaging film can be prevented from being scalded and wrinkled during heat sealing.
In some embodiments, the heat seal teeth are optionally provided in a plurality, the plurality of heat seal teeth are spaced equidistantly apart, and the plurality of heat seal teeth are provided in a total width corresponding to the width of the heat seal bar. When the pair of heat seal teeth are provided on the second transverse sealing block, a plurality of heat seal indentations can be left on the heat seal of the packaging film, so that the heat seal of the packaging film is more reliably sealed. In addition, various patterns can be arranged on the side surface of the heat sealing strip or the heat sealing teeth for heat sealing the packaging film, so that the requirements of different people on the appearance of the heat seal are met.
In order to effectively control the heat-sealing temperature, in some embodiments, optionally, the transverse sealing mechanism of the packaging film may further include a temperature control unit (not shown in the drawings), the temperature control unit is respectively connected to the temperature detection member and the heating strip, and the temperature control unit outputs a signal to control the temperature of the heating strip according to a result obtained by comparing the detected temperature of the temperature detection member with the preset temperature of the heating strip. In this way, the temperature of the heat-sealing strip can be monitored in real time by the temperature control unit, and the temperature of the heating strip can be adjusted in real time according to the monitoring structure, so that the temperature of the heating strip is always kept at the preset temperature, and in some embodiments, the preset temperature is 60 ℃. Compare in the technique of utilizing the heater strip to carry out the heat-seal, utilize the controllable heating strip of temperature to make whole single membrane violently seal the mechanism more intelligent controllable, moreover, also can match the heat-seal effect of beautiful heater strip on the heat-seal effect.
Fig. 3 is a view in the direction C of fig. 1. Fig. 4 is a partial sectional view taken along B-B of fig. 3. As shown in fig. 1 and 4, the first transverse sealing portion further includes: the first horizontal sealing cooling block 401, the first horizontal sealing slider 402 and the cylinder 403, wherein the first horizontal sealing slider 402 is fixed on the guide rod 404, and the guide rod 404 drives the first horizontal sealing slider 402 to move. The side of the first transverse sealing slide block 402 facing the heat seal bar 201 is provided with a first transverse sealing cooling block 401 along the moving direction of the first transverse sealing slide block 402 for clamping and cooling the packaging film, wherein the first transverse sealing cooling block 401 comprises a first upper transverse sealing cooling block 4011 and a first lower transverse sealing cooling block 4012, the first transverse sealing block 102 is arranged between the first upper transverse sealing cooling block 4011 and the first lower transverse sealing cooling block 4012, and the first transverse sealing block 102 is connected with a piston rod 405 of an air cylinder 403, so that the moving directions of the first transverse sealing block 102 and the first transverse sealing slide block 402 are consistent. The side, facing the heat seal piece 203, of the first transverse seal slider 402 is a mounting surface 406, a first transverse seal cooling block 401 is fixed on the mounting surface 406, a cutting blade 407 and a heat seal bar 201 are arranged on the first transverse seal block 102, the first transverse seal block 102 can slide between the first upper transverse seal cooling block 4011 and the first lower transverse seal cooling block 4012 along a direction perpendicular to the mounting surface 406, and the first transverse seal block can be connected with a piston rod of an air cylinder and slides under the action of the air cylinder to move to complete the cutting motion of the cutting blade 407. In some embodiments, optionally, a supporting block 408 is disposed below the first cross sealing block, the supporting block 408 is fixedly connected to the first cross sealing block 102, and the supporting block 408 is driven to slide on the first lower cross sealing cooling block 4012 when the first cross sealing block 102 slides, so that the sliding of the first cross sealing block 102 is more stable, and the first cross sealing block 102 can be prevented from being worn.
In addition, in some embodiments, in consideration of the installation space of the cylinder piston cylinder of the cylinder and the interference problem of the installation structure in the first cross sealing slide block, the cylinder body 409 of the cylinder is fixed on the side of the first cross sealing slide block 402 opposite to the installation surface of the first cross sealing cooling block 401 through the cylinder installation plate 410, and the piston rod 405 of the cylinder is fixedly connected with the first cross sealing block 102 through the installation assembly.
Fig. 5 is a partial schematic structural diagram of a piston rod of a cylinder in a single-film transverse sealing structure fixedly connected with a first transverse sealing block through a mounting assembly according to an embodiment of the present application. As shown in fig. 5, the mounting assembly includes: the heat insulation device comprises a pin shaft 501, a fixed seat 502 and a heat insulation pad 503, the end of a piston rod 405 of a cylinder is connected with a Y-shaped joint 504 of the cylinder, the fixed seat 502 comprises a fixed plate 5021 and a lug 5022, the lug 5022 is axially provided with a connecting hole 505, the connecting hole 505 is connected with the Y-shaped joint 504 of the cylinder through the pin shaft 501, and a limit groove 506 is arranged on the Y-shaped joint 504 of the cylinder and corresponds to a pin cap 5011 of the pin shaft 501 and is used for limiting the first transverse sealing block 102 to deviate when the first transverse sealing block is driven by the cylinder 403 to move. The side of the fixing plate 5021 opposite to the mounting surface of the lug 5022 is connected to the first cross seal block 102 through the thermal insulation pad 503. The heat insulation pad 503 can insulate the heat of the first horizontal sealing block 102, and prevent the temperature of the fixing seat 502 from being too high, which results in the change of the service performance. In some embodiments, optionally, the number of the cylinders on the first transverse sealing sliding block 402 is two, and both the two cylinders are connected to the first transverse sealing block 102 through the mounting assembly, and due to the use of the pin shaft and the limiting groove on the mounting assembly, when the first transverse sealing block is driven by the two cylinders to move in the cutting direction, the first transverse sealing block cannot be deviated; therefore, the use of the mounting assembly can make the length direction of the first horizontal sealing block 102 always perpendicular to the cutting direction of the cutting blade when moving, i.e. the mounting assembly has a correcting function. Of course, the connection mode of the first transverse sealing block 102 and the cylinder piston rod 405 may also be connected in other modes, as long as it can be ensured that the first transverse sealing block can move in the cutting direction of the cutting blade under the driving of the cylinder.
With continued reference to fig. 1 and 4, the second cross seal further comprises: a cutter blade receiving groove 418, provided on the side surface of the second horizontal seal block 103 facing the heat seal tape 201, corresponding to the position of the cutter blade 407, for receiving the cutter blade in the film cutting operation.
In some embodiments, optionally, the second cross seal further comprises: a second transverse sealing cooling block 411 and a second transverse sealing sliding block 412, wherein the second transverse sealing sliding block 412 is movably connected with the guide rod 404, and the side surface of the second transverse sealing sliding block 412 opposite to the heat sealing strip 201 is provided with the second transverse sealing cooling block 411 which is in one-to-one correspondence with the first transverse sealing cooling block 401. The second cross seal cooling block 411 includes a second upper cross seal cooling block 4111 and a second lower cross seal cooling block 4112. In some embodiments, the tightening surfaces of the first transverse sealing cooling block 401 and the second transverse sealing cooling block 411 are provided with rubber round bars 414 for preventing the packaging film from being damaged when the packaging film is pressed. The second cross-seal cooling block 411 cooperates with the first cross-seal cooling block 401 for clamping and cooling the packaging film. As shown in fig. 3, a push rod 413 is installed on a side surface of the second transverse sealing slider 412 opposite to the mounting surface of the second transverse sealing cooling block 411, and the second transverse sealing slider 412 is pushed by a power source to move on the guide rod 404. The second horizontal sealing sliding block 412 is connected with the guide rod 404 through a flange bearing seat, and the second horizontal sealing sliding block 412 can slide on the guide rod 404 under the action of the push rod 413, so as to drive the second horizontal sealing block and the first horizontal sealing block to move oppositely. The first horizontal sealing sliding block 402 is fixedly connected with the guide rod 404, and the linear bearing seats 104 are arranged between the second horizontal sealing sliding block and the joint of the first horizontal sealing sliding block and the guide rod, so that a supporting function can be achieved, and the first horizontal sealing sliding block 402 and the second horizontal sealing sliding block 412 can move more stably and reliably.
The first cross sealing cooling block 401 and the second cross sealing cooling block 411 are both provided with a vent 415, the vent 415 penetrates through the bodies of the first cross sealing cooling block 401 and the second cross sealing cooling block 411 along the length direction, and an air inlet of the vent 415 is arranged on a side end surface perpendicular to the mounting surface 406 and used for introducing cooling air.
With continued reference to fig. 2, the junction of the lower sides of the first cross-seal cooling block 401 and the second cross-seal cooling block 411 and the clamping surface is provided with a chamfer 206, which is provided with a vent hole 207 in communication with a vent hole 415 for delivering cooling gas to the surface of the packaging film.
With continued reference to fig. 1 and 3, a connecting rod 306 is fixed on the transmission shaft 303, two ends of the connecting rod 306 are respectively connected with a first crank 304 and a second crank 305, the other end of the first crank 304 is hinged with a first long slider 301, two ends of the first long slider 301 are fixed on a guide rod 404, and the first long slider 301, the guide rod 404 and a first horizontal sealing slider 402 form a first frame. The first frame slides on the linear bearing seat 104 under the driving of the first crank 304. In some embodiments of the present application, optionally, the number of linear bearing blocks is four. The other end of the second crank 305 is hinged to the second long slider 302, the push rod 413 and the second horizontal sealing slider 412 form a second frame, both ends of the second long slider 302 and the second horizontal sealing slider 412 in the second frame are connected with the guide rod 404 through flange bearings, and the second frame can slide on the guide rod 404 under the driving of the second crank. The number of the push rods 413 may be one or more. In summary, the rotation of the transmission shaft 303 is converted into the movement of the first frame and the second frame toward or away from each other through the connecting rod 306 and the first crank 304 and the second crank 305, so that the first horizontal sealing sliding block and the second horizontal sealing sliding block can move toward and away from each other. The transmission shaft rotates under the action of the power source.
In some embodiments, the power source is optionally an electric motor or a cylinder assembly. When the power source is a motor, the shaft of the motor may be directly connected to the drive shaft 303, since it is the transmission of rotational motion to rotational motion. However, when the power source is a cylinder, it may be necessary to convert the linear motion of the cylinder into a rotational motion, and in this case, a transmission mechanism, for example, a cam mechanism or the like, needs to be provided between the transmission shaft and the cylinder.
Fig. 6 is a schematic view of the overall structure of a vertical packaging machine according to an embodiment of the present application. As shown in fig. 6, the vertical packaging machine 600 at least includes a transverse sealing support plate 601 and a support structure 602, the transverse sealing support plate 601 is fixed on the support structure 602, the vertical packaging machine 600 further includes a packaging film transverse sealing mechanism 100, a linear bearing of the packaging film transverse sealing mechanism 100 is fixed on the transverse sealing support plate 601, the packaging film passes through a channel formed between a first transverse sealing portion and a second transverse sealing portion pressing surface, and the first transverse sealing portion and the second transverse sealing portion are clamped, cut and heat-sealed. In some embodiments, optionally, the packaging film is a single film or a composite film.
To sum up, the horizontal sealing mechanism of packaging film that this application embodiment provided is through setting up first horizontal sealing piece and the horizontal sealing piece of second to set up the heat-seal strip on first horizontal sealing piece, set up the heat-seal piece on the horizontal sealing piece of second corresponds the position, realize the heat-seal of packaging film through the cooperation of heat-seal strip and heat-seal piece. In addition, all be equipped with the heating through-hole on first horizontal sealing piece and the second horizontal sealing piece for insert the heating strip, like this, the change process of heating strip is very simple high-efficient, need not tear open first horizontal sealing piece and just can carry out the change of heating strip. The packaging film that this application embodiment provided seals mechanism structure is violently simple, the packaging film after the heat-seal can not appear the fold phenomenon, can replace the packaging film who utilizes the heater strip to carry out heating on the market and seal the mechanism violently. Because the vertical packaging machine that this application embodiment provided adopts the horizontal mechanism that seals of packaging film, consequently the vertical packaging machine that this application embodiment provided can enough realize violently sealing the monofilm and can realize violently sealing the complex film again, and packaging film violently seals mechanism temperature in this application is controllable, can replace the heating silk to carry out the heat-seal to the monofilm.
The above-described embodiments are provided for illustrative purposes only and are not intended to limit the present disclosure, and those skilled in the art can make various changes and modifications without departing from the scope of the present disclosure, and therefore, all equivalent technical solutions should fall within the scope of the present disclosure.
Claims (15)
1. A packaging film transverse sealing mechanism comprises a first transverse sealing part and a second transverse sealing part which are oppositely opened and closed, wherein the opposite side surfaces of the first transverse sealing part and the second transverse sealing part are used for forming a heat sealing cover,
the first cross seal includes: the first transverse sealing block is provided with a heat sealing strip along the length direction of the first transverse sealing block and is used for transferring heat and carrying out heat sealing on the packaging film; a heating through hole is formed in the length direction of the first transverse sealing block in a penetrating mode, and the heating through hole is used for inserting a heating strip for heating the first transverse sealing block;
the second cross seal comprises: the second transverse sealing block is provided with a heat sealing piece corresponding to the heat sealing strip along the length direction of the second transverse sealing block, and the heat sealing piece is used for transferring heat, is correspondingly matched with the heat sealing strip to form a heat sealing surface and carries out heat sealing on the packaging film; a heating through hole is also formed in the length direction of the second transverse sealing block in a penetrating manner, and the heating through hole is used for inserting a heating strip for heating the second transverse sealing block;
wherein the heat seal bar and the heat seal are correspondingly arranged in shape and position;
and a cutting blade is arranged on one side of the first transverse sealing block, which faces the heat sealing piece, along the length direction of the first transverse sealing block, and is used for cutting off the packaging film.
2. The packaging film cross-sealing mechanism of claim 1 wherein said heat seal is a ribbed structure having the same shape as said heat seal bar.
3. The packaging film cross-sealing mechanism of claim 2, wherein the heat seal is a heat seal tooth protruding from the second cross-seal block and facing the heat seal bar; the heat-seal device is characterized in that the heat-seal teeth are arranged in a plurality of numbers, the heat-seal teeth are arranged at equal intervals, and the total width of the heat-seal teeth corresponds to the width of the heat-seal strip.
4. The packaging film transverse sealing mechanism of claim 2, wherein the heat seal strip or the heat seal piece is made of rubber.
5. The packaging film cross-sealing mechanism of claim 4, wherein the rubber further comprises nitrile rubber.
6. The packaging film transverse sealing mechanism according to claim 1, further comprising a temperature control unit, wherein the temperature control unit is respectively connected with the temperature detection member and the heating strip, and the temperature control unit outputs a signal to control the temperature of the heating strip according to a result of comparison between the detected temperature of the temperature detection member and the preset temperature of the heating strip.
7. The packaging film cross-seal mechanism of claim 6, wherein the first cross-seal further comprises: the cooling device comprises a first transverse sealing cooling block, a first transverse sealing sliding block and an air cylinder, wherein the first transverse sealing sliding block is fixed on a guide rod, and the guide rod drives the first transverse sealing sliding block to move; and a first transverse sealing cooling block is arranged on the side surface of the first transverse sealing slide block facing the heat seal strip along the movement direction of the first transverse sealing slide block and is used for clamping and cooling the packaging film, wherein the first transverse sealing cooling block comprises a first upper transverse sealing cooling block and a first lower transverse sealing cooling block, the first transverse sealing block is arranged between the first upper transverse sealing cooling block and the first lower transverse sealing cooling block, and the first transverse sealing block is connected with a piston rod of the air cylinder, so that the movement directions of the first transverse sealing block and the first transverse sealing slide block are consistent.
8. The packaging film transverse sealing mechanism according to claim 7, wherein a cylinder body of the cylinder is fixed on a side surface of the first transverse sealing slider opposite to the first transverse sealing cold block mounting surface through a cylinder mounting plate, a piston rod of the cylinder is fixedly connected with the first transverse sealing block through a mounting assembly, wherein,
the mounting assembly includes: the heat insulation device comprises a pin shaft, a fixed seat and a heat insulation pad, wherein the end part of a piston rod of the cylinder is connected with a Y-shaped joint of the cylinder, the fixed seat comprises a fixed plate and a lug, the lug is axially provided with a connecting hole, the connecting hole is connected with the Y-shaped joint of the cylinder through the pin shaft, and a limiting groove is arranged on the Y-shaped joint of the cylinder at a position corresponding to a pin cap of the pin shaft and used for limiting the first transverse sealing block to deviate when the first transverse sealing block moves under the driving of the cylinder;
the side face of the fixed plate, which is opposite to the lug installation face, is connected with the first transverse sealing block through the heat insulation pad.
9. The packaging film cross-seal mechanism of claim 7, wherein the second cross-seal further comprises: and the cutting blade accommodating groove is formed in the side surface of the second transverse sealing block opposite to the heat sealing strip, corresponds to the position of the cutting blade and is used for accommodating the cutting blade during film cutting action.
10. The packaging film cross-seal mechanism of claim 9, wherein the second cross-seal further comprises: the second transverse sealing cooling block is in one-to-one correspondence with the first transverse sealing cooling block in position and is matched with the first transverse sealing cooling block and used for clamping and cooling the packaging film, a push rod is installed on the side face, opposite to the mounting face of the second transverse sealing cooling block, of the second transverse sealing sliding block, and the second transverse sealing sliding block is pushed to move on the guide rod under the action of a power source.
11. The transverse sealing mechanism for packaging film according to claim 10, wherein the power source drives the guide rod and the push rod to move through a slider-crank assembly, the slider-crank assembly comprises a first long slider, a second long slider, a transmission shaft, and a first crank and a second crank which move in opposite directions, two ends of the first crank are rotatably connected with the first long slider and the transmission shaft respectively, two ends of the first long slider are fixed on the guide rod, and the guide rod is driven to move axially along the guide rod under the action of the transmission shaft; two ends of the second crank are respectively rotatably connected with the second long sliding block and the transmission shaft, two ends of the second long sliding block are slidably connected with the guide rod, the push rod is fixedly connected with the second long sliding block, and the push rod pushes the second transverse sealing sliding block to axially move along the guide rod under the action of the transmission shaft; wherein, the power source is a motor or a cylinder component.
12. The packaging film cross sealing mechanism of claim 10, wherein each of the first cross sealing cooling block and the second cross sealing cooling block is provided with a vent hole, the vent hole penetrates through the bodies of the first cross sealing cooling block and the second cross sealing cooling block along the length direction, and an air inlet of the vent hole is arranged on a side end face perpendicular to the mounting face and used for introducing cooling air;
and rubber round strips are arranged on the clamping surfaces of the first transverse sealing cooling block and the second transverse sealing cooling block along the length direction.
13. The packaging film cross-sealing mechanism of claim 12, wherein a chamfer is provided at the junction of the lower side surfaces of the first and second cross-sealing cooling blocks and the clamping surface, and a vent hole is provided on the chamfer and communicates with the vent hole for delivering the cooling gas to the surface of the packaging film.
14. A vertical packaging machine comprising at least a cross-sealing support plate and a support structure, the cross-sealing support plate being fixed to the support structure, wherein the vertical packaging machine further comprises a packaging film cross-sealing mechanism according to any one of claims 1 to 13, a linear bearing of the packaging film cross-sealing mechanism being fixed to the cross-sealing support plate, a packaging film passing through a passage formed between a first cross-sealing portion and a pressing surface of the second cross-sealing portion, and the first cross-sealing portion and the second cross-sealing portion clamping and cutting and heat-sealing the packaging film.
15. The vertical packaging machine according to claim 14, characterized in that said packaging film is a single film or a compound film.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210846998.1A CN115180243A (en) | 2022-07-06 | 2022-07-06 | Packaging film transverse sealing mechanism and vertical packaging machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210846998.1A CN115180243A (en) | 2022-07-06 | 2022-07-06 | Packaging film transverse sealing mechanism and vertical packaging machine |
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| CN202210846998.1A Pending CN115180243A (en) | 2022-07-06 | 2022-07-06 | Packaging film transverse sealing mechanism and vertical packaging machine |
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