CN219948745U

CN219948745U - Packaging bag sealing device and packaging machine

Info

Publication number: CN219948745U
Application number: CN202321435562.XU
Authority: CN
Inventors: 雷剑凡; 李鹏程; 黄江
Original assignee: Zhuhai Ruixiang Intelligent Technology Co ltd
Current assignee: Zhuhai Ruixiang Intelligent Technology Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-11-03
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a packaging bag sealing device and a packaging machine. The packaging bag sealing device comprises a frame, an upper cross beam, a lower cross beam and two clamping assemblies; the upper beam and the lower beam are arranged on the frame and move in a manner of approaching or separating from each other in the height direction; the upper cross beam and the lower cross beam are respectively provided with a hot press die for heat sealing the bag openings of the packaging bags; each clamping assembly comprises two clamping pieces which are respectively arranged on the upper beam and the lower beam, and the two clamping pieces are used for clamping the bag mouth of the packaging bag when the upper beam and the lower beam are close; the clamping pieces in the two clamping assemblies can move back under the drive of the horizontal driving mechanism so as to pull the two opposite sides of the bag mouth of the packaging bag in the horizontal direction. According to the utility model, before the packaging bag opening is subjected to heat sealing, the packaging bag opening is leveled through the two clamping assemblies, so that the flatness of the packaging bag opening and the heat sealing quality are effectively improved.

Description

Packaging bag sealing device and packaging machine

Technical Field

The utility model belongs to the field of packaging equipment, and particularly relates to a packaging bag sealing device and a packaging machine.

Background

Packaging machines in the prior art generally adopt a packaging bag sealing device to seal a packaging bag, and the packaging bag sealing device heats and pressurizes an opening of the packaging bag through a hot press die so as to realize heat sealing of the opening of the packaging bag. However, the packaging bag sealing device adopting the hot press die for sealing operation in the prior art cannot level the opening of the packaging bag in the operation process, and the defect of poor heat sealing quality of the packaging bag exists.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model mainly aims to provide a packaging bag sealing device and a packaging machine, wherein the packaging bag sealing device can level the opening of a packaging bag before heat sealing.

In order to achieve the above main object, a first aspect of the present utility model provides a package bag closing device including a frame, an upper beam and a lower beam provided on the frame and moving in a height direction in a manner approaching or separating from each other; the upper cross beam and the lower cross beam are respectively provided with a hot press die for heat sealing the bag openings of the packaging bags;

the packaging bag clamping device comprises an upper beam, a lower beam, a packaging bag opening, a clamping assembly and a clamping assembly, wherein the upper beam is connected with the lower beam through a connecting rod; the clamping pieces in the two clamping assemblies can move back under the drive of the horizontal driving mechanism so as to pull the two opposite sides of the bag mouth of the packaging bag in the horizontal direction.

According to one embodiment of the utility model, the horizontal driving mechanism comprises a movable seat and a driving component for driving the movable seat to move in the horizontal direction; wherein, the clamping piece is installed on the movable seat.

Further, guide rails arranged along the length direction of the upper cross beam and the lower cross beam are arranged on the upper cross beam and the lower cross beam, and the movable seat is arranged on the guide rails.

Further, the driving component is a cylinder.

According to one embodiment of the utility model, the clamping piece is provided with a clamping surface for contacting with the mouth of the packaging bag, and the clamping surface is provided with an anti-skid part

Further, the anti-slip part is a toothed anti-slip part.

According to one embodiment of the utility model, the frame is provided with a lifting driving mechanism, the lifting driving mechanism comprises a bidirectional screw rod and a lifting motor, the upper beam and the lower beam are respectively connected with two different thread sections of the bidirectional screw rod, and the lifting motor is used for driving the bidirectional screw rod to rotate so that the upper beam and the lower beam are mutually close to or far away from each other in the height direction.

According to one embodiment of the utility model, the hot press die comprises heat seal battens extending along the length direction of the upper cross beam and the lower cross beam; wherein the clamping members are located on opposite front sides of the heat seal bead.

A second aspect of the utility model provides a packaging machine comprising a package closure as described above.

The utility model has the following beneficial effects:

the two clamping components are arranged in the utility model, and can clamp the bag mouth of the packaging bag when the upper beam and the lower beam are close, and the two clamping components are driven by the horizontal driving mechanism to move back to the opposite sides of the bag mouth of the packaging bag in a horizontal direction, so that the bag mouth of the packaging bag is leveled before the bag mouth of the packaging bag is heat-sealed, and the planeness of the bag mouth of the packaging bag and the heat-sealing quality are improved; the utility model has the advantages of compact structure and strong practicability.

The objects, technical solutions and advantages of the present utility model will be more clearly described below, and the present utility model will be further described in detail with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is a first block diagram of an embodiment of a packaging machine of the present utility model;

FIG. 2 is a second block diagram of an embodiment of the packaging machine of the present utility model;

figure 3 is a front view of an embodiment of the packaging machine of the present utility model;

FIG. 4 is a perspective view of a package closure in an embodiment;

FIG. 5 is a side view of a package closure in accordance with an embodiment;

FIG. 6 is a perspective view of the upper and lower cross members of the embodiment;

FIG. 7 is a side view of the upper and lower cross members of the embodiment;

fig. 8 is a structural view of the holder and the horizontal driving mechanism in the embodiment.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and the scope of the utility model is therefore not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 3, the packaging machine of the embodiment is specifically a horizontal bag feeding type automatic packaging machine, and comprises a packaging bag feeding device, a packaging bag clamping and conveying device 10, a packaging carrier 20, a packaging bag opening device 30, a packaging bag sealing device 40 and a product bag filling device 50; wherein, wrapping bag feedway is used for forming continuous wrapping bag coil stock into the single wrapping bag that has the pan feeding mouth, and wrapping bag centre gripping conveyor 10 is used for putting the wrapping bag level on packing microscope carrier 20, and wrapping bag opening device 30 is used for opening the pan feeding mouth of wrapping bag, and the product goes into bagging apparatus 50 and is used for sending into the wrapping bag with waiting to pack the product through the pan feeding mouth in, and wrapping bag closing device 40 is used for carrying out the heat-seal to the sack (pan feeding mouth) of wrapping bag. The package feeding device, the package holding and conveying device 10, the package opening device 30, and the product bag feeding device 50 in the embodiment may refer to related structures in the prior art, for example, related structures in the packaging machine disclosed in patent No. 202111557205.6, and will not be described herein.

As shown in fig. 4-5, the package closure 40 includes a frame 41, an upper beam 42, a lower beam 43, and two clamping assemblies 44; the upper beam 42 and the lower beam 43 are disposed on the frame 41 and move in a manner of approaching or separating from each other in a height direction (up-down direction), specifically, a lift driving mechanism 45 is provided on the frame 41, the lift driving mechanism 45 includes a bidirectional screw 451 and a lift motor 452, the upper beam 42 and the lower beam 43 are respectively connected with two different thread sections of the bidirectional screw 451, and the lift motor 452 is used for driving the bidirectional screw 451 to rotate so that the upper beam 42 and the lower beam 43 approach or separate from each other in the height direction.

Further, two bidirectional screw rods 451 are arranged on the frame 41, and two ends of the upper beam 42 and the lower beam 43 in the length direction (left-right direction) are respectively connected with two different thread sections of the bidirectional screw rods 451; wherein, the two bidirectional screw rods 451 are linked through a transmission belt assembly 453 and driven by the same lifting motor 452 to realize synchronous rotation, so as to improve the stability of the lifting process of the upper beam 42 and the lower beam 43. Preferably, the frame 41 is further provided with a guide rod 454, and with continued reference to fig. 4, the guide rod 454 is parallel to the bidirectional screw 451, so as to further improve the stability of the lifting process of the upper beam 42 and the lower beam 43.

The upper beam 42 and the lower beam 43 in the embodiment are both provided with a hot press die 46 for heat-sealing the bag mouth of the packaging bag, the hot press die 46 comprises a heat-sealing pressing strip 461, and the heat-sealing pressing strip 461 extends along the length direction of the upper beam 42 and the lower beam 43 and is used for heat-sealing the bag mouth (feed inlet) of the packaging bag after the product to be packaged is fed into the packaging bag and the vacuumizing of the packaging bag is completed.

As shown in fig. 6 to 7, two holding members 44 are respectively provided near opposite ends of the upper beam 42 and the lower beam 43 in the longitudinal direction for holding the bag mouth; the clamping assembly 44 includes two clamping members 441 mounted on the upper and lower beams 42 and 43, respectively, and the two clamping members 441 clamp the bag mouth from both upper and lower sides when the upper and lower beams 42 and 43 approach.

Specifically, the clamping members 441 in the two clamping assemblies 44 can be driven by the horizontal driving mechanism 442 to move back to pull the opposite sides of the packaging bag opening in the horizontal direction (specifically, the left-right direction), so that the packaging bag opening is leveled before being heat-sealed, and the flatness of the packaging bag opening and the heat-sealing quality are effectively improved; each clamping member 441 is correspondingly provided with a horizontal driving mechanism 442, and when the clamping member 441 clamps the opening of the packaging bag, the two opposite sides of the opening of the packaging bag are pulled in the horizontal direction by cooperatively controlling the different horizontal driving mechanisms 442.

As shown in fig. 8, the horizontal driving mechanism 442 includes a movable base 4421 and a driving assembly 4422 for driving the movable base 4421 to move in the horizontal direction, and the clamping member 441 is mounted on the movable base 4421; wherein, the upper beam 42 and the lower beam 43 are provided with guide rails 4423 arranged along the length direction thereof, and the movable seat 4421 is arranged on the guide rails 4423 and slides along the guide rails 4423 under the drive of the driving assembly 4422; specifically, the drive assembly 4422 is preferably an air cylinder, and in other embodiments, the drive assembly 4422 may alternatively be a linear motor.

With continued reference to fig. 8, the clamping member 441 has a clamping surface for contacting with the mouth of the package bag, and the clamping surface is provided with an anti-slip portion 4411, wherein the anti-slip portion 4411 is preferably a toothed anti-slip portion having a plurality of anti-slip teeth; through setting up non-slip portion 4411 can pull the wrapping bag sack better in order to flattening the wrapping bag sack, be favorable to further improving the roughness and the heat-seal quality of wrapping bag sack.

In the present embodiment, the clamping member 441 is preferably located at the opposite front side of the heat seal bead 461 in the front-rear direction, where the opposite front side refers to the side closer to the product bag-entering device 50, that is, the clamping position of the clamping member 441 is closer to the bag mouth than the position of the heat seal bead 461, so that the clamping member 441 does not interfere with the position of the heat seal bead 461 in any positional state.

While the utility model has been described in terms of embodiments, these embodiments are not intended to limit the scope of the utility model. It is intended that all such modifications and variations as would be included within the scope of the utility model are within the scope of the utility model as defined by the appended claims.

Claims

1. The packaging bag sealing device comprises a frame, an upper cross beam and a lower cross beam, wherein the upper cross beam and the lower cross beam are arranged on the frame and move in a manner of approaching or separating from each other in the height direction; the upper cross beam and the lower cross beam are respectively provided with a hot press die for heat sealing the bag openings of the packaging bags; the method is characterized in that:

the two clamping assemblies respectively comprise two clamping pieces which are respectively arranged on the upper beam and the lower beam, and the two clamping pieces are used for clamping the bag mouth of the packaging bag when the upper beam and the lower beam are close; the clamping pieces in the two clamping assemblies can move back under the drive of the horizontal driving mechanism so as to pull the two opposite sides of the bag mouth of the packaging bag in the horizontal direction.

2. The package closure assembly of claim 1, wherein: the horizontal driving mechanism comprises a movable seat and a driving assembly for driving the movable seat to move in the horizontal direction; wherein the clamping piece is arranged on the movable seat.

3. The package closure assembly of claim 2, wherein: the upper cross beam and the lower cross beam are provided with guide rails arranged along the length direction of the upper cross beam and the lower cross beam, and the movable seat is arranged on the guide rails in a sliding manner.

4. The package closure assembly of claim 2, wherein: the driving component is an air cylinder.

5. The package closure assembly of claim 1, wherein: the clamping piece is provided with a clamping surface for contacting with the mouth of the packaging bag, and the clamping surface is provided with an anti-slip part.

6. The package closure assembly of claim 5, wherein: the anti-skid part is a tooth-shaped anti-skid part.

7. The package closure assembly of claim 1, wherein: the lifting drive mechanism comprises a bidirectional screw rod and a lifting motor, wherein the upper beam and the lower beam are respectively connected with two different thread sections of the bidirectional screw rod, and the lifting motor is used for driving the bidirectional screw rod to rotate so that the upper beam and the lower beam are mutually close to or far away from each other in the height direction.

8. The package closure assembly of claim 1, wherein: the hot press die comprises a heat-sealing pressing strip extending along the length direction of the upper cross beam and the lower cross beam; wherein the clamping members are located on opposite front sides of the heat seal bead.

9. A packaging machine comprising a package closure as claimed in any one of claims 1 to 8.