CN113734531A - Packaging machine, sealing mechanism and process for sealing packaging bag - Google Patents
Packaging machine, sealing mechanism and process for sealing packaging bag Download PDFInfo
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- CN113734531A CN113734531A CN202111080922.4A CN202111080922A CN113734531A CN 113734531 A CN113734531 A CN 113734531A CN 202111080922 A CN202111080922 A CN 202111080922A CN 113734531 A CN113734531 A CN 113734531A
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- sealing
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- packaging bag
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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
- B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
- B65B51/225—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding by ultrasonic welding
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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
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Abstract
The invention discloses a sealing mechanism for sealing a packaging bag, wherein a bag receiving seat is arranged below a top pressing block, and a sealing space for accommodating the packaging bag to be sealed is arranged between the bag receiving seat and the top pressing block; the bag receiving seat is used for supporting the bottom of a packaging bag to be sealed, the top pressing block is used for pressing and contacting the top of the packaging bag to be sealed, the bag receiving seat and/or the top pressing block are in transmission connection with the lifting driving mechanism, and the bag receiving seat and/or the top pressing block are configured to enable the bag receiving seat and the top pressing block to reciprocate up and down relatively under the driving of the driving mechanism; the sealing component is arranged on the side face of the sealing space and used for sealing the packaging bag to be sealed. The included angle between the top of the packaging bag to be sealed and the lower surface of the top pressing block is adjusted by driving the bag receiving seat and/or the top pressing block, so that the top of the packaging bag to be sealed is completely attached to the top pressing block; furthermore, when the sealing assembly performs the sealing operation, the sealing line is parallel to the top of the packaging bag to be sealed. Simultaneously, the scheme of the application has the advantages of compact structure, strong reliability, high sealing speed and attractive appearance.
Description
Technical Field
The invention relates to the field of packaging equipment, in particular to a sealing mechanism for sealing a packaging bag.
Background
In the existing packaging machine, for example, a tea packaging machine, a sealing mechanism of the packaging machine has a heat sealing block and a bag receiving seat, the heat sealing block is generally provided with two heat sealing blocks, the two heat sealing blocks are transversely arranged, one heat sealing block is a first heat sealing block, the other heat sealing block is a second heat sealing block, and the bag receiving seat is located below the heat sealing blocks; when the packaging bag is used, the bag opening of the packaging bag can be firstly opened when the materials are filled into the packaging bag, the packaging bag is stressed and stretched to generate deformation when opened, the upper end edge of the packaging bag and the lower end edge of the packaging bag cannot be arranged in parallel, and the heat seal opening and the bag receiving seat are arranged in parallel.
In view of the above, the present inventors have conducted extensive studies to solve the above problems.
Disclosure of Invention
Therefore, it is necessary to provide a sealing mechanism for sealing the package so that the sealing line of the package is straight and parallel to the upper edge of the package.
To achieve the above object, the present application provides a sealing mechanism for sealing a packing bag, comprising: the bag receiving seat, the top pressing block, the lifting driving mechanism and the sealing assembly are arranged on the bag receiving seat;
the bag receiving seat is arranged below the top pressing block, and a sealing space for accommodating a packaging bag to be sealed is formed between the bag receiving seat and the top pressing block;
the bag receiving seat is used for supporting the bottom of a packaging bag to be sealed, the top pressing block is used for pressing the top of the packaging bag to be sealed, the bag receiving seat and/or the top pressing block are in transmission connection with the lifting driving mechanism, and the bag receiving seat and/or the top pressing block are configured to be capable of enabling the bag receiving seat and the top pressing block to reciprocate up and down relatively under the driving of the driving mechanism;
the sealing assembly is arranged on the side face of the sealing space and used for sealing the packaging bag to be sealed.
Further, the closure assembly includes: first seal piece, second seal piece and seal actuating mechanism, first seal piece with the second seal the piece set up relatively in the both sides in space of sealing, be used for the holding between first seal piece and the second seal the piece and wait to seal the wrapping bag, first seal piece and/or second seal the piece with seal actuating mechanism transmission and be connected, first seal piece and/or second seal piece is configured to can make the two control relative reciprocating motion under actuating mechanism's the drive.
Furthermore, the top pressing block is arranged on the upper part of the first sealing block and extends towards the direction of the second sealing block.
Further, the lower surface of the top pressing block is higher than the upper surface of the second sealing block.
Further, the first sealing block and the jacking block are integrally arranged.
Further, the sealing mechanism further comprises a controller, and after the packaging bag to be sealed is placed on the bag receiving seat, the controller is used for executing the following steps:
controlling the sealing driving device to act to enable the first sealing block and the second sealing block to relatively move close to each other for the first time;
controlling the lifting driving device to act to enable a bag receiving seat for bearing a packaging bag to be sealed and a top pressing block above the opening of the packaging bag to be sealed to move relatively and closely, enabling the top pressing block to be in pressing contact with the top of the packaging bag to be sealed, enabling the top of the packaging bag to be sealed to be attached to a pressing contact surface of the top pressing block, adjusting and righting the position of the packaging bag to be sealed, wherein the pressing contact surface is a position, pressed and contacted with the packaging bag to be sealed, on the lower surface of the top pressing block;
and controlling the sealing driving device to act to enable the first sealing block and the second sealing block to relatively approach and move to the sealing position for the second time so that the sealing assembly seals the packaging bag to be sealed.
Furthermore, the position on the lower surface of the top pressing block, which is in press contact with the packaging bag to be sealed, is a press contact surface;
the position on the upper surface of the bag receiving seat for supporting the packaging bag to be sealed is a supporting surface;
the pressure contact surface and the bearing surface are arranged in parallel.
Further, the seal assembly is: an ultrasonic sealing assembly, a laser sealing assembly or a heat sealing assembly.
Further, the top pressing block is fixedly arranged in the height direction, and the bag receiving seat is in transmission connection with the lifting driving mechanism and is configured to enable the bag receiving seat to reciprocate up and down under the driving of the driving mechanism.
In order to achieve the above object, the present application provides a packaging machine applied to the sealing mechanism for sealing a package according to any one of the above embodiments.
In order to achieve the above object, the present application provides a package bag sealing process, comprising the steps of:
placing the packaging bag to be sealed on a bag receiving seat;
the bag receiving seat for supporting the packaging bag to be sealed and the jacking block above the bag opening of the packaging bag to be sealed relatively move close to each other, the jacking block is in press contact with the top of the packaging bag to be sealed, so that the top of the packaging bag to be sealed is attached to a press contact surface of the jacking block, the position of the packaging bag to be sealed is adjusted and centered, and the press contact surface is a position on the lower surface of the jacking block, which is in press contact with the packaging bag to be sealed;
the sealing component seals the packaging bag to be sealed.
Further, the bag receiving seat for supporting the packaging bag to be sealed and the jacking block above the opening of the packaging bag to be sealed relatively approach and move to a preset distance, the jacking block is in pressure contact with the top of the packaging bag to be sealed, so that the top of the packaging bag to be sealed is attached to the pressure contact surface of the jacking block, and the position of the packaging bag to be sealed is adjusted and centered; or
The bearing treats that the bag that connects seat of the wrapping bag of waiting to seal is close the removal with the two relative of roof pressure piece of waiting to seal wrapping bag sack top, the roof pressure piece with treat that the wrapping bag top of sealing is pressed and is touched to preset pressure, make treat that the wrapping bag top of sealing is laminated with the pressure face of pushing up the briquetting, treat that the packing position of sealing is adjusted and is ajusted.
Further, in the step of sealing the packaging bag to be sealed by the sealing assembly, the method further comprises the following steps:
the first sealing block and the second sealing block move relatively close to each other until the first sealing block and the second sealing block move relatively to the sealing position, and the bag opening of the packaging bag to be sealed, which is positioned between the first sealing block and the second sealing block, is sealed.
Further, before a bag receiving seat for bearing a packaging bag to be sealed and a jacking block above the mouth of the packaging bag to be sealed relatively move close to each other, the first sealing block and the second sealing block relatively move close to each other for the first time;
the step of sealing the packaging bag to be sealed by the sealing assembly comprises the steps that the first sealing block and the second sealing block relatively approach to move for the second time until the first sealing block and the second sealing block relatively move to the sealing position, and the bag opening of the packaging bag to be sealed, which is positioned between the first sealing block and the second sealing block, is sealed.
Different from the prior art, above-mentioned technical scheme is through the drive connect bag seat and/or roof pressure piece, when sealing, through lift actuating mechanism drive connect bag seat and/or roof pressure piece, make and connect the bag seat and the roof pressure piece is close for the two, when the roof pressure piece pressure touches the wrapping bag of waiting to seal, if the wrapping bag position of waiting to seal inclines, then wait to seal not hug closely between wrapping bag top and the roof pressure piece, there is the contained angle, because the effort between roof pressure piece lower surface and the wrapping bag top of waiting to seal, and under the effort between bag seat upper surface and the wrapping bag bottom of waiting to seal, let the wrapping bag of waiting to seal just, make and wait to seal and laminate between wrapping bag top and the roof pressure piece, then carry out the operation of sealing of wrapping bag, the line of sealing the wrapping bag just is difficult for inclining like this. The scheme of this application has effectively solved the wrapping bag when sealing and has sealed the problem of line slope, and compact structure, the reliability is strong, has solved the difficult problem among the prior art.
Drawings
FIG. 1 is a first drawing of the top press block and the second seal block;
FIG. 2 is a diagram of the first and second sealing blocks;
FIG. 3 is a diagram of the top of the packaging bag to be sealed and the top pressing block;
FIG. 4 is a view of the first and second sealing blocks;
FIG. 5 is a view showing the structure of the sealing line;
FIG. 6 is a view showing the top of the bag to be sealed just before the top press block contacts the top press block;
FIG. 7 is a top view of the top press block pressing against the package bag to be sealed;
FIG. 8 is a side view of the top of the package to be sealed just prior to contact with the top press block;
FIG. 9 is a top side view of the top press block pressing against the package to be sealed;
fig. 10 is a flow chart of the sealing process of the packaging bag.
Description of reference numerals:
100. packaging bags to be sealed; 200. packaging the bag after sealing; 300. sealing the line;
1. a bag receiving seat; 2. a first sealing block; 3. a second sealing block; 4. and (7) pressing the block.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
The scheme of the application is suitable for various packaging bags with bottoms needing to be sealed, the packaging bag 100 to be sealed is a packaging bag which is not yet sealed by the sealing assembly, the top of the packaging bag 100 to be sealed is the side which is not yet sealed, and the bottom edge of the packaging bag 100 to be sealed is the side which is sealed; the sealed package 200 is a package that has been sealed by the sealing assembly. The sealing assembly seals the unsealed side of the packaging bag 100 to be sealed, and a sealing line 300 is formed after sealing.
Referring to fig. 1 to 5, the present application provides a sealing mechanism for sealing a package, including: the bag receiving seat, the top pressing block, the lifting driving mechanism and the sealing assembly are arranged on the bag receiving seat; the bag receiving seat 1 is arranged below the top pressing block 4, and a sealing space for accommodating a packaging bag 100 to be sealed is formed between the bag receiving seat 1 and the top pressing block 4; the bag receiving seat 1 is used for supporting the bottom of a packaging bag 100 to be sealed, the top pressing block 4 is used for pressing and contacting the top of the packaging bag 100 to be sealed, the bag receiving seat 1 and/or the top pressing block 4 are in transmission connection with the lifting driving mechanism, and the bag receiving seat 1 and/or the top pressing block 4 are configured to enable the bag receiving seat 1 and the top pressing block 4 to reciprocate up and down relatively under the driving of the driving mechanism; the seal assembly is arranged on the side face of the seal space, and the seal assembly is used for sealing the packaging bag 100 to be sealed. Preferably, the top pressing block is fixedly arranged in the height direction, and the bag receiving seat is in transmission connection with the lifting driving mechanism and is configured to reciprocate up and down under the driving of the driving mechanism. Of course, in other embodiments, the bag receiving seat may be fixed in the height direction, and the top pressing block may reciprocate up and down under the driving of the driving mechanism. And in other embodiments, the bag receiving seat and the top pressing block can move up and down in a reciprocating mode under the driving of the driving mechanism.
It should be noted that the sealing space is located between the top pressing block 4 and the bag receiving seat 1, and the package bag 100 to be sealed is placed on the bag receiving seat 1 and located in the sealing space. In the embodiment, the position on the lower surface of the top pressing block, which is in press contact with the packaging bag to be sealed, is a press contact surface; the position on the upper surface of the bag receiving seat for supporting the packaging bag to be sealed is a supporting surface. The top pressing block 4 and the bag receiving seat 1 move oppositely, so that the top of the packaging bag 100 to be sealed is attached to the lower surface of the top pressing block 4; referring to fig. 6 and 8, the packing bag 100 dropped on the bag receiving base 1 is inclined. The top briquetting 4 is fixed the setting on the direction of height, connect bag seat 1 to the upward movement, owing to wait to seal 100 position slopes in wrapping bag, wait to seal not hug closely between the pressure contact surface of wrapping bag top and top pressure piece 4, have the contained angle, please refer to figure 7 promptly figure 9 because the pressure contact surface of top briquetting lower surface with wait to seal the effort between the wrapping bag top, make wait to seal to laminate between wrapping bag top and the top pressure piece, let and wait to seal the wrapping bag and put upright for wait to seal wrapping bag 100 top with laminate between the pressure contact surface of top pressure piece 4 lower surface. That is, when the top of the packaging bag 100 to be sealed touches the press-contact surface of the lower surface of the top press block 4; at this time, only part of the top of the packaging bag 100 to be sealed may be attached to the pressing contact surface of the top pressing block 4, then the top pressing block 4 and the bag receiving seat 1 continue to move relatively close to each other, the top which is not yet attached to the top pressing block 4 moves towards the top pressing block 4 until the top of the packaging bag 100 to be sealed is completely attached to the lower surface of the top pressing block 4, and the top pressing block 4 and the bag receiving seat 1 continue to stop relative movement.
In this embodiment, when the top of the package bag 100 to be sealed is attached to the lower surface of the top pressing block 4, the top pressing block 4 and the bag receiving seat 1 stop moving relatively, and at this time, the distance between the top pressing block 4 and the bag receiving seat 1 is a preset distance, and the preset distance is adjusted according to the height of the package bag 100 to be sealed. Generally, the predetermined distance is less than or equal to the height of the package 100 to be sealed to ensure that the top of the package 100 to be sealed is fully attached to the top pressing block 4.
It should be noted that the sealing assembly is arranged on the side of the sealing space, and when the top of the packaging bag 100 to be sealed is attached to the top pressing block 4, the sealing assembly is used for sealing the packaging bag to be sealed. When the sealing is completed, the sealing line 300 is parallel to the top of the sealed package 200.
It should be noted that, the sealing mechanism in the embodiment includes a lifting driving mechanism; the lifting driving mechanism is connected with the bag receiving seat 1 and/or the top pressing block 4 and is used for driving the bag receiving seat 1 and/or the top pressing block 4 to move in the vertical direction; preferably, the lifting assembly is connected with the bag receiving seat 1, and the lifting assembly is used for driving the bag receiving seat 1 to be close to or far away from the top pressing block 4. Of course, in some embodiments, the lifting driving mechanism may also be connected to the top pressing block 4 to drive the top pressing block to move toward the bag receiving seat 1; in other embodiments, the lifting driving mechanism is respectively in transmission connection with the top pressing block 4 and the bag receiving seat 1 to drive the top pressing block 4 and the bag receiving seat 1 to move oppositely, and the number of the lifting driving mechanism can be one, and the lifting driving mechanism is simultaneously connected with the top pressing block 4 and the bag receiving seat 1 to drive the two; the number of the lifting driving mechanisms can be two, and the two lifting driving mechanisms are respectively connected with the jacking block 4 and the bag receiving seat 1 to drive the two lifting driving mechanisms. The lifting driving mechanism is a cylinder, a hydraulic cylinder or a stepping motor and the like. It should be further noted that the transmission connection may be a direct connection, and may also be a transmission connection through other transmission components, as long as the driving force can be transmitted to the corresponding component.
Connect bag seat 1 side still to be provided with two curb plates, two curb plates set up relatively connect on the bag seat 1, treat to seal wrapping bag 100 and arrange in between two curb plates, both sides board is used for preventing to treat to seal wrapping bag 100 and heels.
Referring to fig. 10, the sealing device performs the sealing operation according to the following sealing process:
referring to S1001 of fig. 10, before sealing, the first sealing block and the second sealing block are separated from each other in a horizontal direction, and a space for the package to be sealed to fall down is formed between the first sealing block and the second sealing block. Even though the pressing block is arranged on the upper part of the first sealing block and extends towards the second sealing block, a sufficient space width can be reserved between the pressing block and the second sealing block, and the filled packaging bag to be sealed falls into the bag receiving seat.
Referring to S1002 in fig. 10, next, the first sealing block and the second sealing block move relatively close to each other for the first time; the packaging bag to be sealed, which is originally obliquely arranged in the bag receiving seat, is enabled to be upright, and meanwhile, the top of the packaging bag to be sealed is arranged below the top pressing block.
Referring to S1003 in fig. 10, then, the bag receiving seat for supporting the packaging bag to be sealed and the top pressing block above the bag opening of the packaging bag to be sealed move relatively close to each other, the top pressing block is in press contact with the top of the packaging bag to be sealed, so that the top of the packaging bag to be sealed is attached to a press contact surface of the top pressing block, the packaging position to be sealed is adjusted and centered, and the press contact surface is a position on the lower surface of the top pressing block, which is in press contact with the packaging bag to be sealed; the sealing component seals the packaging bag to be sealed.
Specifically, when waiting to seal wrapping bag 100 and being removed extremely connect bag seat 1 when last, connect bag seat 1 and/or top briquetting 4 is in move in opposite directions under lift actuating mechanism's the effect, make the altitude mixture control in enclosure space reduces, until the top of waiting to seal wrapping bag 100 with the lower surface of top briquetting 4 (press the contact surface for on the lower surface of top briquetting 4 with wait to seal wrapping bag 100 press the position of contact) laminating (promptly, top briquetting reaches the preset distance with connecing the bag seat) after, connect bag seat 1 with top briquetting 4 stops relative motion.
Referring to S1004 in fig. 10, finally, the first sealing block and the second sealing block relatively move close to each other for the second time until the first sealing block and the second sealing block relatively move to the sealing position, and seal the opening of the to-be-sealed packaging bag located between the first sealing block and the second sealing block, thereby completing the sealing operation; at this time, the sealing line 300 is parallel to the top edge of the sealed package 200.
It should be noted that the first sealing block 2 and the second sealing block 3 move towards each other until the first sealing block and the second sealing block are attached to each other, and heat-seal the packaging bag to be sealed located in the middle. It should be further noted that the sealing position is set according to actual requirements, that is, the sealing position is set by adjusting the heights of the first sealing block and the second sealing block.
Of course, in some embodiments, due to the larger area of the top pressing block 4, the package to be sealed can enter from the side of the bag receiving seat, i.e. the second sealing block 3 is always arranged below the top pressing block 4. Therefore, when the packaging bag to be sealed is placed on the bag receiving seat, the bag receiving seat 1 can directly move upwards. Specifically, the bag receiving seat directly moves towards the direction of the top pressing block after receiving the packaging bag 100 to be sealed until the distance between the bag receiving seat and the top pressing block reaches a preset distance, and at the moment, the top of the packaging bag to be sealed is completely attached to the lower edge face of the top pressing block; the sealing component seals the packaging bag to be sealed.
In some embodiments, the stop instruction of the top pressing block and the bag receiving seat can be triggered by a pressure sensor, that is, the pressure contact part of the top pressing block is provided with the pressure sensor, when the top pressing block is in pressure contact with the top of the packaging bag to be sealed, the pressure sensor starts to count until reaching a preset pressure, at this time, the top of the packaging bag to be sealed is attached to the pressure contact surface of the top pressing block, the packaging position to be sealed is adjusted and straightened, and the top pressing block and the bag receiving seat stop moving relatively. In some embodiments, the pressing block is disposed on the upper portion of the first sealing block and extends toward the second sealing block. The top pressing block and the first sealing block can be arranged in a linkage mode through the arrangement, and the transmission structure is simplified. Preferably, the lower surface of the top pressing block is higher than the upper surface of the second sealing block. And preferably, the first sealing block and the jacking block are integrally arranged, so that the first sealing block and the jacking block can be synchronously processed and manufactured when being manufactured.
Of course, in other implementations, the top pressing block is disposed above the sealing space, and the top pressing block is movably connected to the first sealing block; namely, the top pressing block is driven by the lifting driving mechanism to contact or separate from the first sealing block.
According to the technical scheme, the bag receiving seat 1 and/or the jacking block 4 are/is driven to adjust the included angle between the top of the packaging bag 100 to be sealed and the lower surface of the jacking block 4, so that the top of the packaging bag 100 to be sealed is completely attached to the jacking block 4; further, when the sealing assembly performs the sealing operation, the sealing line 300 is parallel to the top of the packaging bag 100 to be sealed. Meanwhile, the scheme of the application has the advantages of compact structure, strong reliability, high sealing speed and attractive appearance, and solves the problems in the prior art.
Referring to fig. 2 to 5, in order to achieve efficient sealing, in the present embodiment, the sealing assembly includes: the packaging bag sealing device comprises a first sealing block 2, a second sealing block 3 and a sealing driving mechanism, wherein the first sealing block 2 and the second sealing block 3 are oppositely arranged at two sides of a sealing space, a packaging bag 100 to be sealed is accommodated between the first sealing block 2 and the second sealing block 3, the first sealing block 2 and/or the second sealing block 3 are in transmission connection with the sealing driving mechanism, and the first sealing block 2 and/or the second sealing block 3 are configured to be driven by the sealing driving mechanism to enable the first sealing block 2 and the second sealing block 3 to reciprocate left and right relatively; and the first sealing block 2 and the second sealing block 3 are parallel to each other.
It should be noted that the first sealing block 2 and the second sealing block 3 are both heat sealing blocks, and when the heat sealing blocks perform a sealing operation, the packaging bag 100 to be sealed needs to be clamped and heated; thus, the first and second block seals 2, 3 are placed on both sides of the sealed space. When the top of the packaging bag 100 to be sealed is completely attached to the top pressing block 4, the first sealing block 2 and the second sealing block 3 move oppositely and clamp the packaging bag 100 to be sealed. It should be further noted that after the first sealing block 2 and the second sealing block 3 are clamped and heated, the sealing line 300 is formed on the sealed package 200, and the formed sealing line 300 is parallel to the top edge of the sealed package 200; that is, the contact portion of the first sealing block 2 and the second sealing block 3 is parallel to the lower surface of the top press block 4. In the present application, the first sealing block 2 and the second sealing block 3 may be heat sealing blocks.
Of course, in some embodiments, the closure assembly may also be: an ultrasonic sealing assembly, a laser sealing assembly or a glue sealing assembly.
Referring to fig. 3, in order to improve the assembling efficiency of the apparatus, in the embodiment, the pressing block is disposed on the upper portion of the first sealing block 2 and extends toward the second sealing block 3. It should be noted that the top pressing block 4 is disposed on the upper surface of the first sealing block 2 and extends towards the second sealing block 3; that is, in the present embodiment, the top press block 4 and the first closing block 2 form an inverted "L" shape. In some embodiments, the first sealing block 2 is integrated with the top press block 4.
Referring to fig. 2 to 4, in the present embodiment, the lower surface of the top pressing block is higher than the upper surface of the second sealing block 3. It should be noted that, when the first sealing block 2 is attached to the second sealing block 3, the lower surface of the top pressing block 4 is placed on the upper surface of the second sealing block 3, and the lower surface of the top pressing block 4 is in contact with the upper surface of the second sealing block 3; that is, the formed sealing line 300 coincides with the top edge of the sealed package 200. Of course, in some embodiments, when the first sealing block 2 is attached to the second sealing block 3, the lower surface of the top pressing block 4 is placed above the upper surface of the second sealing block 3; that is, the sealing line 300 is formed to have a certain distance from the top edge of the sealed package 200.
Referring to fig. 3, in the present embodiment, a position on the lower surface of the top pressing block 4, which is in press contact with the packaging bag 100 to be sealed, is a press contact surface; the position on the upper surface of the bag receiving seat 1 for supporting the packaging bag to be sealed is a supporting surface; the pressing contact surface of the pressing block is parallel to the bearing surface. It should be noted that the packaging bag 100 to be sealed is placed on the bag receiving seat 1, and the bag receiving seat 1 is used for supporting and moving the packaging bag 100 to be sealed. The pressing contact position is the position of the packaging bag 100 to be sealed when being jointed with the top pressing block 4; connect bag seat 1 bearing to wait to seal wrapping bag 100 upward movement, wait to seal wrapping bag 100's partial top and the contact of roof pressure piece 4, at this moment, wait to seal wrapping bag 100 and be in connect bag seat 1's effect down last to roof pressure piece 4 direction application of force for wait to seal wrapping bag 100 around waiting to seal wrapping bag 100 with the part of roof pressure piece 4 contact rotates, until wait to seal wrapping bag 100 the top with the lower surface of roof pressure piece 4 is laminated completely.
In some embodiments, in order to improve the automation of the apparatus, the sealing mechanism further comprises a controller for performing the following steps after the package to be sealed is placed on the bag receiving seat: controlling the sealing driving device to act to enable the first sealing block and the second sealing block to relatively move close to each other for the first time; controlling the lifting driving device to act to enable a bag receiving seat for bearing a packaging bag to be sealed and a top pressing block above the opening of the packaging bag to be sealed to move relatively and closely, enabling the top pressing block to be in pressing contact with the top of the packaging bag to be sealed, enabling the top of the packaging bag to be sealed to be attached to a pressing contact surface of the top pressing block, adjusting and righting the position of the packaging bag to be sealed, wherein the pressing contact surface is a position, pressed and contacted with the packaging bag to be sealed, on the lower surface of the top pressing block; and controlling the sealing driving device to act to enable the first sealing block and the second sealing block to relatively approach and move to the sealing position for the second time so that the sealing assembly seals the packaging bag to be sealed.
In the following examples, we will describe the technical scheme of the present application by taking a tea packaging bag as an example.
Specifically, referring to fig. 1 to 5, the sealing mechanism for sealing the packaging bag includes a base, and a bag connecting seat 1, a first sealing block 2 and a second sealing block 3 which are mounted on the base, wherein the first sealing block 2 and the second sealing block 3 are transversely arranged at an interval, the first sealing block 2 and the second sealing block 3 are mounted on the base in a manner of being capable of relatively moving and being attached together, and the bag connecting seat 1 is located right below a position where the first sealing block 2 and the second sealing block 3 are relatively moved and attached together; the bag receiving seat 1 is mounted on the machine base in a manner of being capable of ascending and descending vertically, the first sealing block 2 is provided with a jacking block 4 facing the second sealing block 3, the lower surface of the jacking block 4 is higher than the top surface of the second sealing block 3, and the lower surface of the jacking block 4 is a straight surface.
The bottom surface of the first sealing block 2 is flush with the bottom surface of the second sealing block 3, the top surface of the first sealing block 2 is higher than the top surface of the second sealing block 3, an upper top block extending to the second sealing block 3 is arranged on the upper portion of the first sealing block 2 and faces one side of the second sealing block 3 in a protruding mode, the top surface of the upper top block is flush with the top surface of the first sealing block 2, the height of the bottom surface of the upper top block on the base and the height of the top surface of the second sealing block 3 on the base are vertically attached and arranged in a bearing mode, and the upper top block is the top pressing block 4.
The top pressing block 4 and the first sealing block 2 are integrally formed. The top block is a square block body.
The top pressing block 4 and the first sealing block 2 are locked together.
The top briquetting 4 is a square block, one side of square block stacks on first seal piece 2 and dismantles the installation with first seal piece 2, the opposite side of square block stretches to second seal piece 3 to be in outside one side of first seal piece 2, the height that the bottom surface of square block is located on the frame and the height that the top surface of second seal piece 3 is located on the frame are the upper and lower subsides and are accepted the setting.
Referring to fig. 1, the sealing mechanism for sealing a package bag includes: the bag receiving seat 1 is surrounded by a lower bottom plate and two side plates, the two side plates are transversely arranged oppositely from left to right and are vertically arranged at the left and right side edges of the top surface of the lower bottom plate, the first sealing block 2 and the second sealing block 3 are transversely arranged oppositely from left to right at intervals, the first sealing block 2 and the second sealing block 3 are arranged on the seat in a manner of being capable of being relatively horizontally moved and attached together, and the bag receiving seat 1 is positioned right below the relatively horizontally moved and attached position of the first sealing block 2 and the second sealing block 3; the bag receiving seat 1 is arranged on the machine base in a way of being capable of ascending and descending up and down, the first sealing block 2 is provided with a jacking block 4 facing the second sealing block 3, the lower surface of the jacking block 4 is higher than the top surface of the second sealing block 3, and the lower surface of the jacking block 4 is a flat surface.
Specifically, a lifting cylinder or a motor is arranged below a lower bottom plate of the bag receiving seat 1 to lift, a cylinder body of the lifting cylinder is fixed on the base, a piston rod of the lifting cylinder is arranged upwards and is fixedly connected with the lower bottom plate, and the lifting cylinder piston rod stretches to realize the up-and-down lifting and translation of the bag receiving seat 1.
The first sealing block 2 and the second sealing block 3 are strip-shaped square block bodies extending along the front and back direction of the machine base, the bottom surface of the first sealing block 2 is flush with the bottom surface of the second sealing block 3, the top surface of the first sealing block 2 is higher than the top surface of the second sealing block 3, one surface of the first sealing block 2 opposite to the second sealing block 3 is taken as a heat sealing surface, an upper top block extending to the second sealing block 3 (i.e. extending rightwards) is arranged at the upper part of the heat sealing surface of the first sealing block 2, the upper top block is preferably integrally formed with the first sealing block 2, namely the heat sealing surface of the first sealing block 2 is directly and convexly provided with the upper top block, the upper top block is preferably a square block body, the front end surface and the back end surface of the upper top block are correspondingly flush with the front end surface and the back end surface of the first sealing block 2, the top surface of the upper top block is flush with the top surface of the first sealing block 2, the bottom surface of the upper top block is arranged on the machine base at the height which is equal to the height of the lower sealing block 3, namely, when the second sealing block 3 is translated to the position right below the upper top block and is in close fit with the heat sealing surface of the first sealing block 2, the top surface of the second sealing block 3 is in close fit with the bottom surface of the upper top block, and the upper top block is the top pressing block 4.
Utilize the restriction of top briquetting 4 and the upwards translation of bag seat 1 of connecing before the heat-seal to treat the top effect of sealing wrapping bag 100 and have one top force, make the gesture of standing of waiting to seal wrapping bag 100 take place the displacement, thereby make the top of waiting to seal wrapping bag 100 paste the cooperation with the lower surface of top briquetting 4 at last, then the top of waiting to seal wrapping bag 100 can be straight to adjust, make first seal piece 2 and second seal piece 3 hot briquetting's the line of sealing (promptly, line of sealing 300) can with sealed wrapping bag 200 top looks parallel arrangement like this, thereby make tealeaves seal wrapping bag 200's hot line can guarantee to be straight effect, guarantee effectively that tealeaves has sealed wrapping bag 200's packing is pleasing to the eye.
In this application, roof pressure piece 4 also can be in the same place with the lock solid of first seal piece 2, it is concrete, roof pressure piece 4 is a square block, the left side of square block stacks on the top surface right side of first seal piece 2 and dismantles the installation with first seal piece 2, the right side of square block stretches to second seal piece 3 right to be in outside the right side of first seal piece 2, the height that the bottom surface of square block is located on the frame highly is the lower phase of meeting with the top surface of second seal piece 3 and is set up, the top surface of second seal piece 3 pastes the tight cooperation with the bottom surface of square block when second seal piece 3 translated to square block under department mutually promptly.
Step one, please refer to fig. 1, the package bag 100 to be sealed falls into the bag receiving seat 1, and the upper part of the package bag 100 to be sealed falls in the range between the first sealing block 2 and the second sealing block 3;
step two, please refer to fig. 2, the first sealing block 2 and the second sealing block 3 translate in opposite directions, when the left edge of the second sealing block 3 and the right edge of the top pressing block 4 are close to each other up and down, the first sealing block 2 and the second sealing block 3 stop translating, the first sealing block 2, the second sealing block 3 and the top pressing block 4 enclose a square space with an open lower bottom surface, a open front side surface and a open rear side surface, and at this time, the top of the packaging bag 100 to be sealed in the bag receiving seat 1 is placed in the square space;
step three, please refer to fig. 3, when the lifting cylinder is started, the bag receiving seat 1 moves upwards, and moves upwards along with the bag receiving seat 1 until the top of the packaging bag 100 to be sealed is attached to and matched with the lower surface of the top pressure block 4, and when moving upwards, because the top of the packaging bag 100 to be sealed is in an open state and the bottom edge of the packaging bag 100 to be sealed is in a sealed state, the cross section of the top of the packaging bag 100 to be sealed is larger than that of the bottom edge of the packaging bag 100 to be sealed, so that the bending resistance of the top of the packaging bag 100 to be sealed is obviously larger than that of the bottom edge of the packaging bag 100 to be sealed, thus, when the packaging bag 100 to be sealed moves upwards and the top of the packaging bag 100 to be sealed is abutted against the lower surface of the top pressing block 4, the bag receiving seat 1 moves upwards again, and at the moment, the top of the packaging bag 100 to be sealed is subjected to an upward supporting force, so that the standing posture of the packaging bag 100 to be sealed can gradually generate displacement until the top of the packaging bag 100 to be sealed is in a straight state and is abutted against and matched with the top pressing block 4;
step four, referring to fig. 4, the second sealing block 3 translates towards the first sealing block 2 and is attached to the first sealing block 2, so as to complete the heat sealing operation of the packaging bag 100 to be sealed, and obtain a finished sealed packaging bag 200;
referring to fig. 5, the first sealing block 2 and the second sealing block 3 are translated back to back, and a heat sealing line (i.e., a sealing line 300) is formed at the top of the sealed package 200, and the heat sealing line and the top edge of the sealed package 200 are parallel to the bottom plate of the package receiving base 1.
The embodiments of the above embodiments can be applied to packaging bags for solid contents in various forms such as powder, granule, block, and string, and packaging bags for contents such as liquid and gel, in addition to tea packaging bags.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.
Claims (14)
1. A mechanism that seals for wrapping bag seals, its characterized in that includes: the bag receiving seat, the top pressing block, the lifting driving mechanism and the sealing assembly are arranged on the bag receiving seat;
the bag receiving seat is arranged below the top pressing block, and a sealing space for accommodating a packaging bag to be sealed is formed between the bag receiving seat and the top pressing block;
the bag receiving seat is used for supporting the bottom of a packaging bag to be sealed, the top pressing block is used for pressing the top of the packaging bag to be sealed, the bag receiving seat and/or the top pressing block are in transmission connection with the lifting driving mechanism, and the bag receiving seat and/or the top pressing block are configured to be capable of enabling the bag receiving seat and the top pressing block to reciprocate up and down relatively under the driving of the driving mechanism;
the sealing assembly is arranged on the side face of the sealing space and used for sealing the packaging bag to be sealed.
2. A closure mechanism for a package closure as recited in claim 1, wherein said closure assembly comprises: first seal piece, second seal piece and seal actuating mechanism, first seal piece with the second seal the piece set up relatively in the both sides in space of sealing, be used for the holding between first seal piece and the second seal the piece and wait to seal the wrapping bag, first seal piece and/or second seal the piece with seal actuating mechanism transmission and be connected, first seal piece and/or second seal piece is configured to can make the two control relative reciprocating motion under actuating mechanism's the drive.
3. The sealing mechanism of claim 2, wherein said top pressing block is disposed on top of said first sealing block and extends in a direction toward said second sealing block.
4. The sealing mechanism of claim 3, wherein a lower surface of said top press block is higher than an upper surface of said second sealing block.
5. The sealing mechanism of claim 2 or 3, wherein the first sealing block is integrally formed with the top pressing block.
6. The sealing mechanism of any one of claims 2 to 5, further comprising a controller for performing the following steps after the bag to be sealed is placed on the bag receiving seat:
controlling the sealing driving device to act to enable the first sealing block and the second sealing block to relatively move close to each other for the first time;
controlling the lifting driving device to act to enable a bag receiving seat for bearing a packaging bag to be sealed and a top pressing block above the opening of the packaging bag to be sealed to move relatively and closely, enabling the top pressing block to be in pressing contact with the top of the packaging bag to be sealed, enabling the top of the packaging bag to be sealed to be attached to a pressing contact surface of the top pressing block, adjusting and righting the position of the packaging bag to be sealed, wherein the pressing contact surface is a position, pressed and contacted with the packaging bag to be sealed, on the lower surface of the top pressing block;
and controlling the sealing driving device to act to enable the first sealing block and the second sealing block to relatively approach and move to the sealing position for the second time so that the sealing assembly seals the packaging bag to be sealed.
7. The sealing mechanism for a package closure of claim 1,
the position on the lower surface of the top pressing block, which is pressed against the packaging bag to be sealed, is a pressing contact surface;
the position on the upper surface of the bag receiving seat for supporting the packaging bag to be sealed is a supporting surface;
the pressure contact surface and the bearing surface are arranged in parallel.
8. A closure mechanism for a package closure as claimed in claim 1, wherein said closure assembly is: an ultrasonic sealing assembly, a laser sealing assembly or a heat sealing assembly.
9. The sealing mechanism of claim 1, wherein the top pressing block is fixed in the height direction, and the bag receiving base is in transmission connection with the lifting driving mechanism and configured to reciprocate up and down under the driving of the driving mechanism.
10. A packaging machine having a closure mechanism for the closure of packages as claimed in any one of claims 1 to 9.
11. A packaging bag sealing process is characterized by comprising the following steps:
placing the packaging bag to be sealed on a bag receiving seat;
the bag receiving seat for supporting the packaging bag to be sealed and the jacking block above the bag opening of the packaging bag to be sealed relatively move close to each other, the jacking block is in press contact with the top of the packaging bag to be sealed, so that the top of the packaging bag to be sealed is attached to a press contact surface of the jacking block, the position of the packaging bag to be sealed is adjusted and centered, and the press contact surface is a position on the lower surface of the jacking block, which is in press contact with the packaging bag to be sealed;
the sealing component seals the packaging bag to be sealed.
12. The package bag sealing process according to claim 11, wherein the bag receiving seat for supporting the package bag to be sealed and the top pressing block above the opening of the package bag to be sealed are relatively moved close to each other to a preset distance, the top pressing block is in press contact with the top of the package bag to be sealed, so that the top of the package bag to be sealed is attached to the press contact surface of the top pressing block, and the package position to be sealed is adjusted and centered; or
The bearing treats that the bag that connects seat of the wrapping bag of waiting to seal is close the removal with the two relative of roof pressure piece of waiting to seal wrapping bag sack top, the roof pressure piece with treat that the wrapping bag top of sealing is pressed and is touched to preset pressure, make treat that the wrapping bag top of sealing is laminated with the pressure face of pushing up the briquetting, treat that the packing position of sealing is adjusted and is ajusted.
13. The package sealing process of claim 11, wherein in the step of sealing the package to be sealed by the sealing assembly, the sealing assembly further comprises the steps of:
the first sealing block and the second sealing block move relatively close to each other until the first sealing block and the second sealing block move relatively to the sealing position, and the bag opening of the packaging bag to be sealed, which is positioned between the first sealing block and the second sealing block, is sealed.
14. The package bag sealing process according to claim 13, wherein the first sealing block and the second sealing block move relatively close to each other for the first time before the bag receiving seat for supporting the package bag to be sealed and the top pressing block above the mouth of the package bag to be sealed move relatively close to each other;
the step of sealing the packaging bag to be sealed by the sealing assembly comprises the steps that the first sealing block and the second sealing block relatively approach to move for the second time until the first sealing block and the second sealing block relatively move to the sealing position, and the bag opening of the packaging bag to be sealed, which is positioned between the first sealing block and the second sealing block, is sealed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2021212372922 | 2021-06-03 | ||
| CN202121237292 | 2021-06-03 |
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| CN113734531A true CN113734531A (en) | 2021-12-03 |
| CN113734531B CN113734531B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111080922.4A Active CN113734531B (en) | 2021-06-03 | 2021-09-15 | Packaging machine, sealing mechanism and process for sealing packaging bags |
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| GB1063119A (en) * | 1963-12-17 | 1967-03-30 | Weldotron Corp | Heat sealing apparatus for thermoplastic films |
| GB1419971A (en) * | 1972-11-17 | 1975-12-31 | Grace W R & Co | Sealing apparatus |
| US5207049A (en) * | 1990-07-26 | 1993-05-04 | Farmomac S.R.L. | Device for sealing open ends of monodose containers already filled with liquid or viscous solutions |
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| CN208086166U (en) * | 2018-01-31 | 2018-11-13 | 东莞威格诺斯包装机械有限公司 | A kind of heat seal mechanism of packing machine |
| CN208530967U (en) * | 2018-07-02 | 2019-02-22 | 东莞市瑞兴纸制品有限公司 | A kind of bagger capable of rapid positioning |
| US20200247567A1 (en) * | 2019-02-06 | 2020-08-06 | General Mills, Inc. | Packaging System and Method of Packaging Products |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1063119A (en) * | 1963-12-17 | 1967-03-30 | Weldotron Corp | Heat sealing apparatus for thermoplastic films |
| GB1419971A (en) * | 1972-11-17 | 1975-12-31 | Grace W R & Co | Sealing apparatus |
| US5207049A (en) * | 1990-07-26 | 1993-05-04 | Farmomac S.R.L. | Device for sealing open ends of monodose containers already filled with liquid or viscous solutions |
| CN207000858U (en) * | 2017-06-28 | 2018-02-13 | 福建禾丰种业股份有限公司 | Quantitative weighing closing device |
| CN108100372A (en) * | 2017-12-18 | 2018-06-01 | 江苏盈丰佳园生物技术有限公司 | A kind of fertilizer packaging bag closing device |
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| CN208530967U (en) * | 2018-07-02 | 2019-02-22 | 东莞市瑞兴纸制品有限公司 | A kind of bagger capable of rapid positioning |
| US20200247567A1 (en) * | 2019-02-06 | 2020-08-06 | General Mills, Inc. | Packaging System and Method of Packaging Products |
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| CN113734531B (en) | 2023-04-25 |
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