CN216684994U - Air-extracting sealing device with bag bottom height compensation mechanism - Google Patents
Air-extracting sealing device with bag bottom height compensation mechanism Download PDFInfo
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- CN216684994U CN216684994U CN202220039014.4U CN202220039014U CN216684994U CN 216684994 U CN216684994 U CN 216684994U CN 202220039014 U CN202220039014 U CN 202220039014U CN 216684994 U CN216684994 U CN 216684994U
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- rectangular shape
- conveyor belt
- endless conveyor
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Abstract
The utility model provides a sealing device bleeds with height compensation mechanism at bottom of bag, it includes band conveyer, band conveyer's the left and right sides all is equipped with lifting support plate, band conveyer still is equipped with endless conveyor belt, endless conveyor belt's transport surface middle part has a plurality of rectangular shape bosss along the even interval arrangement of direction of delivery, rectangular shape boss is perpendicular with endless conveyor belt's direction of delivery, be equipped with the mechanism of sealing directly over the lifting support plate of the left and right sides, be equipped with the mechanism of bleeding directly over sealing the mechanism, lifting support plate of the left and right sides is located the outside of rectangular shape boss, lifting support plate is driven by the guide arm cylinder, lifting support plate falls to be located between the upper surface of rectangular shape boss and endless conveyor belt's the upper surface when low level. The utility model can compensate the change of the height value of the bag opening part in the air exhaust process, and achieves good air exhaust vacuum effect and sealing effect.
Description
Technical Field
The utility model discloses an air-extracting sealing device with a bag bottom height compensation mechanism, and belongs to the field of packaging machinery.
Background
When the horizontal FFS packaging machine performs air pumping and sealing after plastic film bags are filled, the bag opening part is triangular before air pumping and is changed into an L shape after air pumping, so that the height value of the bag opening part is reduced, the shape of the bag opening after air pumping cannot be changed into the L shape in an ideal state under the action of material weight, and the problems of insufficient vacuum degree in the bag and poor sealing quality are easily caused. The prior art solutions to the above problems have two types: one is that the air extracting and sealing device can be lifted, and the air extracting and sealing device is lifted for a certain distance in the air extracting process, but the whole air extracting and sealing device is lifted up and down, so the structure is complex, the cost is high, and the working efficiency is low; another kind of technical scheme has left sufficient surplus for the membrane bag length of sack part, and the membrane bag of sack is in folding fold state before sealing of bleeding to can satisfy the sack altitude value after bleeding and change, but this kind of mode can not be applicable to the membrane bag and thicker, harder condition, because the sack is in folding lax state and can not the atress when transferring to sealing the position from dress bag position simultaneously, leads to the material bag skew just easily, seals the quality scheduling problem that worsens.
SUMMERY OF THE UTILITY MODEL
In order to adapt to the situation that the height of the bag opening part is reduced in the process of air exhaust and sealing of the film bag and ensure that the air exhaust vacuum degree in the bag and the sealing quality meet the requirements, the utility model provides an air exhaust and sealing device with a bag bottom height compensation mechanism, which comprises a belt conveyor 1, wherein the left side and the right side of the belt conveyor 1 are respectively provided with a lifting supporting plate 2, the belt conveyor 1 is also provided with an annular conveying belt 3, the middle part of the conveying surface of the annular conveying belt 3 is uniformly provided with a plurality of strip-shaped bosses 4 at intervals along the conveying direction, the strip-shaped bosses 4 are vertical to the conveying direction of the annular conveying belt 3, be equipped with directly over left and right sides lifting support plate 2 and seal mechanism 5, seal and be equipped with air exhaust mechanism 6 directly over mechanism 5, the lifting support plate 2 of the left and right sides is located the outside of rectangular shape boss 4, and lifting support plate 2 is driven by the guide arm cylinder, lies in between the upper surface of rectangular shape boss 4 and the upper surface of annular conveyer belt 3 when lifting support plate 2 descends to the low level.
The working principle of the utility model is as follows: after the material bag B is bagged at the bagging position, the middle part of the bag bottom is placed on the strip-shaped boss 4, a small part of the bag bottom at the left side and the right side is suspended outside the strip-shaped boss 4, then the material bag B is transferred to the air-extracting sealing position by the transfer mechanism and the annular conveyer belt 3 together, the air-extracting mechanism 6 is inserted into the bag mouth for extracting air, simultaneously, the lifting support plates 2 at the left side and the right side are lifted to support the two sides of the bottom of the material bag B and lift upwards for a certain distance, used for compensating the change of the height value of the bag opening after air exhaust, ensuring that the bag opening film bag is kept in an L shape without being influenced by the weight of materials in the bag in the air exhaust and sealing processes, lifting the air exhaust mechanism 6 after the air exhaust is finished, sealing the bag opening by the sealing mechanism 5, then the lifting supporting plate 2 descends to place the sealed material bag B on the long strip-shaped boss 4, and the annular conveying belt 3 continues to convey the material bag B to the next station.
The utility model has the beneficial effects that: utilize rectangular shape boss 4 to accomplish the normal transport of pocket B, utilize the lift layer board 2 in the rectangular shape boss 4 outside to hold up the bottom of pocket B simultaneously for the diminishing of the in-process pocket mouth height value of bleeding is compensated to guarantee that the sack after bleeding can keep the L shape for ideal state, reach good vacuum effect of bleeding and seal the effect.
Drawings
FIG. 1 is a three-dimensional isometric view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is an enlarged view at C in fig. 2.
FIG. 4 is a schematic view showing the operation state when the evacuation is completed.
Detailed Description
Referring to fig. 1 to 4, the air exhaust sealing device with the bag bottom height compensation mechanism comprises a belt conveyor 1, wherein lifting support plates 2 are arranged on the left side and the right side of the belt conveyor 1, an annular conveying belt 3 is further arranged on the belt conveyor 1, a plurality of strip-shaped bosses 4 are uniformly arranged in the middle of the conveying surface of the annular conveying belt 3 at intervals along the conveying direction, the strip-shaped bosses 4 are perpendicular to the conveying direction of the annular conveying belt 3, sealing mechanisms 5 are arranged right above the lifting support plates 2 on the left side and the right side, an air exhaust mechanism 6 is arranged right above the sealing mechanisms 5, the lifting support plates 2 on the left side and the right side are located on the outer sides of the strip-shaped bosses 4, the lifting support plates 2 are driven by guide rod cylinders, and when the lifting support plates 2 are lowered to the low position, the lifting support plates are located between the upper surfaces of the strip-shaped bosses 4 and the upper surfaces of the annular conveying belt 3.
Claims (1)
1. The utility model provides a closing device bleeds with high compensation mechanism at bottom of bag, it includes band conveyer (1), seals mechanism (5), bleed mechanism (6), its characterized in that: the left and right sides of band conveyer (1) all is equipped with lift layer board (2), and band conveyer (1) still is equipped with endless conveyor belt (3), and the even interval arrangement of direction of delivery has a plurality of rectangular shape boss (4) at the delivery surface middle part of endless conveyor belt (3), and rectangular shape boss (4) are perpendicular with the direction of delivery of endless conveyor belt (3), be equipped with directly over left and right sides lift layer board (2) and seal mechanism (5), be equipped with air exhaust mechanism (6) directly over sealing mechanism (5), the lift layer board (2) of the left and right sides are located the outside of rectangular shape boss (4), and lift layer board (2) are driven by the guide arm cylinder, and lift layer board (2) fall to be located between the upper surface of rectangular shape boss (4) and the upper surface of endless conveyor belt (3) when the low level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220039014.4U CN216684994U (en) | 2022-01-10 | 2022-01-10 | Air-extracting sealing device with bag bottom height compensation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220039014.4U CN216684994U (en) | 2022-01-10 | 2022-01-10 | Air-extracting sealing device with bag bottom height compensation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216684994U true CN216684994U (en) | 2022-06-07 |
Family
ID=81818017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220039014.4U Active CN216684994U (en) | 2022-01-10 | 2022-01-10 | Air-extracting sealing device with bag bottom height compensation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216684994U (en) |
-
2022
- 2022-01-10 CN CN202220039014.4U patent/CN216684994U/en active Active
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