CN216581374U - Outer sealing mechanism - Google Patents
Outer sealing mechanism Download PDFInfo
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- CN216581374U CN216581374U CN202123043178.9U CN202123043178U CN216581374U CN 216581374 U CN216581374 U CN 216581374U CN 202123043178 U CN202123043178 U CN 202123043178U CN 216581374 U CN216581374 U CN 216581374U
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- movable rod
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- heat sealing
- rotating plate
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Abstract
The utility model discloses an outer sealing mechanism, which comprises a pair of oppositely arranged sealing strips and a linkage structure for driving the pair of sealing strips to move relatively, wherein a gap for enabling a bag opening to be unsealed is arranged between the pair of sealing strips; the notch is located at the transverse middle position of the packaging strip. This outer sealing mechanism structural design is reasonable, is equipped with the breach between the heat-seal strip that sets up relatively, and it can carry out pre-sealing to M type wrapping bag limit portion to do not influence later stage evacuation, do benefit to M type wrapping bag limit portion encapsulation reliably.
Description
Technical Field
The utility model relates to the technical field of packaging, in particular to an outer sealing mechanism.
Background
The bag feeding type packaging machine automatically feeds bags, and then opens the bag openings to automatically inject food to be packaged; the bag opening of the M-shaped packaging bag is different from that of a common packaging bag, and each side of the bag opening of the M-shaped packaging bag is provided with two bag edges; when the M-shaped packaging bag is packaged in vacuum, a vacuum packaging cavity in the vacuum packaging machine can be packaged only once, and the bag edge is not easy to be completely sealed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide an outer sealing mechanism which can be used for pre-sealing the edge of an M-shaped packaging bag and does not influence the later stage of vacuumizing.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the outer sealing mechanism comprises a pair of oppositely arranged sealing strips and a linkage structure for driving the pair of sealing strips to move relatively, wherein a gap which is used for enabling the bag mouth to be unsealed is arranged between the pair of sealing strips.
Further, the notch is located at the transverse middle position of the packaging strip.
The pair of sealing strips comprises a heat sealing strip I and a heat sealing strip II which are oppositely arranged, wherein a half groove is formed in the middle of the heat sealing strip I, another half groove is formed in the middle of the heat sealing strip II, and the half groove and the other half groove are matched to form a notch.
The linkage structure comprises a support body, an upper movable rod, a lower movable rod, a rotating plate and a driving connector, wherein the rotating plate is hinged to the support body, a bulge is arranged in the middle of the rotating plate, the driving connector is hinged to the bulge, the end portion of the upper movable rod is connected with one heat sealing strip, the upper movable rod is hinged to the upper portion of the rotating plate through an upper connecting rod, the end portion of the lower movable rod is connected with the other heat sealing strip, and the lower movable rod is hinged to the lower portion of the rotating plate through a lower connecting rod.
The supporter is the box, and rotor plate, drive connector, last connecting rod and lower connecting rod are all established in the box, and the same end of going up movable rod and lower movable rod stretches out from the box, and the lower part of box is equipped with and is used for driving rotor plate pivoted actuating cylinder, and the piston rod of actuating cylinder links to each other with the drive connector.
The box body is provided with an upper guide sleeve and a lower guide sleeve, the upper guide sleeve is matched with the upper movable rod, the lower guide sleeve is matched with the lower movable rod, and the upper movable rod and the lower movable rod are arranged in parallel up and down.
Compared with the prior art, the utility model has the following advantages:
this outer sealing mechanism structural design is reasonable, is equipped with the breach between the heat-seal strip that sets up relatively, and the breach is located the middle part, and it can carry out the pre-sealing to M type wrapping bag limit portion to do not influence the later stage evacuation, do benefit to M type wrapping bag limit portion encapsulation reliably.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural view of an outer sealing mechanism of the present invention.
Fig. 2 is a partially enlarged schematic view of the outer sealing mechanism of the present invention.
Fig. 3 is a schematic linkage diagram of the outer sealing mechanism of the present invention.
In the figure:
51. the box body, 52, an upper movable rod, 53, movable plates I, 54, heat sealing strips I, 55, a lower movable rod, 56, movable plates II, 57, heat sealing strips II, 58, notches, 59, a driving connector, 510, a rotating plate, 511, a lower connecting rod and 512, an upper connecting rod.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to fig. 3, the outer sealing mechanism includes a pair of opposite sealing strips and a linkage structure for driving the pair of sealing strips to move relatively, and a gap 58 for opening the bag with an unsealed opening is provided between the pair of sealing strips.
The pair of heat seal strips are a heat seal strip I54 and a heat seal strip II 57 which are oppositely arranged, the heat seal strip I and the heat seal strip II are both of square strip structures, and the notch 58 is located at the transverse middle position of the package strip.
The gaps are formed between the oppositely arranged heat sealing strips, are positioned in the middle and cannot be subjected to heat sealing, the edges of the M-shaped packaging bag can be pre-sealed, later-stage vacuumizing is not influenced, and reliable packaging of the edges of the M-shaped packaging bag is facilitated.
Preferably, a pair of encapsulation strip is including heat-seal strip I and the heat-seal strip II of relative setting, and the middle part of heat-seal strip I is equipped with half recess, and the middle part of heat-seal strip II is equipped with another half recess, and half recess and the cooperation of half recess form the breach.
The linkage structure comprises a support body, an upper movable rod 52, a lower movable rod 55, a rotating plate 510 and a driving connector 59, wherein the rotating plate is hinged on the support body, a bulge is arranged in the middle of the rotating plate, the driving connector is hinged with the bulge, the end part of the upper movable rod is connected with one heat sealing strip, the upper movable rod is hinged with the upper part of the rotating plate through an upper connecting rod 512, the end part of the lower movable rod is connected with the other heat sealing strip, and the lower movable rod is hinged with the lower part of the rotating plate through a lower connecting rod 511.
Furthermore, the supporting body is a box body 51, the rotating plate 510, the driving connector 59, the upper connecting rod 511 and the lower connecting rod 512 are all arranged in the box body, the same end of the upper movable rod and the same end of the lower movable rod extend out of the box body, the lower portion of the box body is provided with a driving cylinder for driving the rotating plate to rotate, a piston rod of the driving cylinder is connected with the driving connector, the structure is compact, the external influence is not easily caused, and the work is stable and reliable.
The end of the upper movable rod is provided with a movable plate I53, the movable plate I is a vertical plate, the heat-sealing strip I is fixed on the inner side of the movable plate I, the end of the lower movable rod is provided with a movable plate II 56, the movable plate II is a strip-shaped plate, and the heat-sealing strip II is fixed on the inner side of the strip-shaped plate.
The box body is provided with an upper guide sleeve and a lower guide sleeve, the upper guide sleeve is matched with the upper movable rod, the lower guide sleeve is matched with the lower movable rod, the upper movable rod and the lower movable rod are arranged in parallel up and down, and the operation is stable and reliable.
The driving cylinder drives the rotating plate to rotate, the rotating plate can drive the upper movable rod and the lower movable rod to move oppositely, so that the two heat-sealing strips are driven to be clamped oppositely for heat sealing, or the two heat-sealing strips are driven to move away relatively to loosen a packaging bag after heat sealing, a reserved opening which is not subjected to heat sealing is formed at the position of the bag opening corresponding to the notch, the bag opening can be used for vacuumizing in the vacuum packaging cavity subsequently, heat sealing is performed again in the vacuum packaging cavity after vacuumizing, and the heat sealing of the M-shaped packaging edge part for twice is reliable.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The utility model is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the utility model is not limited by the above-mentioned manner, and it is within the scope of the utility model to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (6)
1. The utility model provides an outer sealing mechanism, includes a pair of encapsulation strip of relative setting and the interlock structure that is used for driving a pair of encapsulation strip relative motion, its characterized in that: a gap which is used for the bag opening to be provided with a section of unsealed opening is arranged between the pair of packaging strips.
2. The mechanism of claim 1, wherein: the notch is located at the transverse middle position of the packaging strip.
3. The mechanism of claim 2, wherein: the pair of sealing strips comprises a heat sealing strip I and a heat sealing strip II which are oppositely arranged, wherein a half groove is formed in the middle of the heat sealing strip I, another half groove is formed in the middle of the heat sealing strip II, and the half groove and the other half groove are matched to form a notch.
4. The mechanism of claim 1, wherein: the linkage structure comprises a support body, an upper movable rod, a lower movable rod, a rotating plate and a driving connector, wherein the rotating plate is hinged to the support body, a bulge is arranged in the middle of the rotating plate, the driving connector is hinged to the bulge, the end portion of the upper movable rod is connected with one heat sealing strip, the upper movable rod is hinged to the upper portion of the rotating plate through an upper connecting rod, the end portion of the lower movable rod is connected with the other heat sealing strip, and the lower movable rod is hinged to the lower portion of the rotating plate through a lower connecting rod.
5. The mechanism of claim 4, wherein: the supporter is the box, and rotor plate, drive connector, last connecting rod and lower connecting rod are all established in the box, and the same end of going up movable rod and lower movable rod stretches out from the box, and the lower part of box is equipped with and is used for driving rotor plate pivoted actuating cylinder, and the piston rod of actuating cylinder links to each other with the drive connector.
6. The mechanism of claim 5, wherein: the box body is provided with an upper guide sleeve and a lower guide sleeve, the upper guide sleeve is matched with the upper movable rod, the lower guide sleeve is matched with the lower movable rod, and the upper movable rod and the lower movable rod are arranged in parallel up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123043178.9U CN216581374U (en) | 2021-12-06 | 2021-12-06 | Outer sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123043178.9U CN216581374U (en) | 2021-12-06 | 2021-12-06 | Outer sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216581374U true CN216581374U (en) | 2022-05-24 |
Family
ID=81652539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123043178.9U Active CN216581374U (en) | 2021-12-06 | 2021-12-06 | Outer sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216581374U (en) |
-
2021
- 2021-12-06 CN CN202123043178.9U patent/CN216581374U/en active Active
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