CN216333207U

CN216333207U - Sealing structure of plastic bag sealing machine

Info

Publication number: CN216333207U
Application number: CN202122545991.XU
Authority: CN
Inventors: 冯友宏
Original assignee: Anqing Xingfeng Industry And Trade Co ltd
Current assignee: Anqing Xingfeng Industry And Trade Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-19
Anticipated expiration: 2031-10-22

Abstract

The utility model provides a sealing structure of a plastic bag sealing machine, which comprises a workbench, wherein a liftable supporting plate is correspondingly arranged above the workbench, mounting plates capable of sliding transversely are correspondingly arranged on two sides of the supporting plate, heat sealing blocks are correspondingly fixed at the bottoms of the mounting plates, and heat sealing seats matched with the heat sealing blocks are correspondingly arranged on two sides of the workbench; the bottom middle part of backup pad evenly is equipped with a plurality of springs, the backup pad has the fixed block through spring elastic connection. The utility model can seal plastic bags with different sizes, has better general applicability, and does not need to manually compress the plastic bags, thereby accelerating the sealing speed, effectively improving the working efficiency and simultaneously reducing the potential safety hazard.

Description

Sealing structure of plastic bag sealing machine

Technical Field

The utility model belongs to the technical field of plastic bag sealing devices, and particularly relates to a sealing structure of a plastic bag sealing machine.

Background

Plastic bags are essential articles in daily life, are often used for product packaging, containing articles, or used as garbage bags and the like, and are widely used due to the advantages of low price, extremely light weight, large capacity and convenient storage. In the manufacturing process of the plastic bag, the corners of the plastic bag are usually sealed to achieve the sealing effect.

At present, a sealing machine is generally adopted in a factory to seal a plastic bag, and three sides of the plastic bag are sealed through a sealing structure of the plastic bag sealing machine. However, when the sealing structure of the existing sealing machine is used for sealing the corners of plastic bags, the plastic bags with specific sizes can be sealed, and the universal applicability is poor; and during the concrete operation, the plastic bag is manually pressed by workers to be fixed, so that the time and labor are wasted, the sealing speed is influenced, the working efficiency is lower, and certain potential safety hazards also exist.

Through retrieval, relevant patents on plastic bag sealing machines have been disclosed. If, chinese patent application No. CN202021824854.9 discloses a plastic bag fixing mechanism of PD plastic bag capper, belongs to PD plastic bag sealing device field, including the capper frame, the lower extreme fixedly connected with workstation of capper frame, the upper end tiling of workstation has the plastic bag, and the upper end middle part of capper frame is provided with the cylinder, and the lower extreme of cylinder is provided with the cylinder pole, the lower extreme fixedly connected with backup pad of cylinder pole, the lower extreme fixedly connected with connecting block of backup pad, the lower extreme fixedly connected with fixed block of connecting block, the front end fixedly connected with connecting rod of fixed block, the one end fixedly connected with solid fixed ring of connecting rod, gu fixed ring sets up the surface at the fixed block. Although this application is equipped with the fixed block and can compresses tightly the plastic bag fixedly, it can only seal the plastic bag of specific size, and its universal applicability is relatively poor, and its overall structure needs further improvement.

SUMMERY OF THE UTILITY MODEL

1. Purpose of the utility model

In order to solve the technical problems, the utility model provides a sealing structure of a plastic bag sealing machine, which can be used for sealing plastic bags with different sizes, has better general applicability, and does not need to manually compress the plastic bags, so that the sealing speed is increased, the working efficiency is effectively improved, and the potential safety hazard is reduced.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the utility model is as follows: a sealing structure of a plastic bag sealing machine comprises a workbench, wherein a liftable supporting plate is correspondingly arranged above the workbench, mounting plates capable of sliding transversely are correspondingly arranged on two sides of the supporting plate, heat sealing blocks are correspondingly fixed at the bottoms of the mounting plates, and heat sealing seats are correspondingly arranged on two sides of the workbench; the bottom middle part of backup pad evenly is equipped with a plurality of springs, the backup pad has the fixed block through spring elastic connection.

The further improvement lies in that: two square holes are symmetrically arranged on two sides of the supporting plate, and sliding grooves are correspondingly arranged on the front side wall and the rear side wall of each square hole; the both sides of mounting panel correspond and are equipped with the slider with spout matched with, but the mounting panel passes through slider slidable mounting in its spout that corresponds to carry out spacing fixed through the stopper.

The further improvement lies in that: the fixed guide arm that is equipped with between the lateral wall about the square hole, the corresponding position is equipped with and dodges the hole with the guide arm assorted on the mounting panel, the guide arm corresponds to pass dodges the hole, the guide arm lateral sliding can be followed to the mounting panel.

The further improvement lies in that: a plurality of first fixed orificess have evenly been seted up to the upper surface of guide arm, the top correspondence of dodging the hole on the mounting panel has seted up the second fixed orifices, the stopper comprises inserted bar and apron, the inserted bar passes and corresponds in inserting first fixed orifices behind the second fixed orifices, realizes the spacing fixed of mounting panel.

The further improvement lies in that: the lifting device comprises a worktable, a lifting cylinder, a supporting plate and a lifting cylinder, wherein vertical plates are fixedly installed at two ends of the worktable, a top plate is fixedly installed at the top of each vertical plate, the lifting cylinder is correspondingly installed at the bottom of each top plate, and the supporting plate is fixedly connected with a piston rod at the bottom of the lifting cylinder.

The further improvement lies in that: when the fixed block is suspended, the height of the fixed block is lower than that of the heat sealing block.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the mounting plates capable of sliding transversely are correspondingly mounted on the two sides of the supporting plate, the heat sealing block is fixedly mounted at the bottom of the mounting plate, and the mounting plate is limited and fixed by the limiting block, so that the heat sealing block can be driven to slide by the sliding of the mounting plate to seal plastic bags with different sizes, no other sealing structure of a sealing machine is required, and the universal applicability is better. The bottom middle part of backup pad still has the fixed block through spring elastic connection to can utilize the fixed block to compress tightly fixed plastic bag, it compares in artifical manual compress tightly, has effectively accelerated the speed of sealing, has improved work efficiency, has also reduced the potential safety hazard simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the mounting structure of the components on the support plate of the present invention;

FIG. 4 is a schematic structural view of a mounting plate and a heat sealing block of the present invention;

fig. 5 is a schematic structural diagram of the limiting block of the present invention.

Reference numerals

1. A work table; 2. a vertical plate; 3. a top plate; 4. a lift cylinder; 401. a piston rod; 5. a support plate; 501. a square hole; 502. a guide bar; 503. a first fixing hole; 504. a chute; 6. mounting a plate; 601. avoiding holes; 602. a second fixing hole; 603. a slider; 7. thermally combining the blocks; 8. a limiting block; 801. inserting a rod; 802. a cover plate; 9. a fixed block; 10. a spring; 11. and (4) thermally closing the base.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Examples

Referring to fig. 1-5, the sealing structure of plastic bag sealing machine of this embodiment includes workstation 1, the both ends fixed mounting of workstation 1 has riser 2, the top fixed mounting of riser 2 has roof 3, the bottom of roof 3 corresponds installs lift cylinder 4, the piston rod 401 of lift cylinder 4 bottom links to each other with backup pad 5 is fixed, goes up and down in the top of workstation 1 through lift cylinder 4 control backup pad 5. But lateral sliding's mounting panel 6 is all installed to the both sides of backup pad 5 correspondence, and the bottom correspondence of this mounting panel 6 is fixed with heat seal piece 7, be equipped with heating element (such as resistance wire etc.) on the heat seal piece 7, the seat 11 is closed to the heat seal to the both sides correspondence position of workstation 1 is installed, through set up two lateral sliding's mounting panel 6 in backup pad 5 both sides, will close 7 fixed mounting in the 6 bottoms of mounting panel to can drive the slip of heat seal piece 7 through the slip of mounting panel 6, seal the processing to the plastic bag of equidimension not, effectively improved its universal suitability.

Specifically, as shown in fig. 3 and 4, two square holes 501 are symmetrically arranged on two sides of the supporting plate 5, and sliding grooves 504 are correspondingly arranged on the front and rear side walls of each square hole 501; the two sides of the mounting plate 6 are correspondingly provided with sliding blocks 603 matched with the sliding grooves 504, and the mounting plate 6 is slidably mounted in the corresponding sliding groove 504 through the sliding blocks 603 and can transversely slide along the sliding groove 504. Fixed two guide arms 502 that are equipped with between the lateral wall about square hole 501, the last corresponding position of mounting panel 6 is equipped with and dodges hole 601 with guide arm 502 assorted, guide arm 502 corresponds and passes dodge hole 601, guide arm 502 lateral sliding can be followed to mounting panel 6, through setting up two guide arms 502, can play certain guide effect to mounting panel 6's lateral sliding, ensures that its slip is smooth steady. Mounting panel 6 carries out spacing fixedly through stopper 8, and is concrete, a plurality of first fixed orificess 503 have evenly been seted up to the upper surface of guide arm 502, second fixed orifices 602 have been seted up to the top correspondence of dodging hole 601 on the mounting panel 6, as shown in fig. 5, stopper 8 comprises inserted bar 801 and apron 802, inserted bar 801 passes in the corresponding first fixed orificess 503 that inserts behind the second fixed orifices 602 to realize mounting panel 6's spacing fixed, and then ensure that heat seal piece 7 can seal the plastic bag steadily.

The bottom middle part of backup pad 5 evenly is equipped with a plurality of springs 10, and the one end of this spring 10 links to each other with backup pad 5 is fixed, and its other end links to each other with fixed block 9 is fixed, backup pad 5 passes through

spring

10 and 9 elastic connection of fixed block, through there being fixed block 9 at backup pad 5 bottom elastic connection to can utilize fixed block 9 to compress tightly fixed plastic bag, it is compared in artifical manual compress tightly, has effectively accelerated the speed of sealing, has improved work efficiency, has also reduced the potential safety hazard simultaneously. When the sealing structure does not work, the lifting cylinder 4 drives the supporting plate 5, the heat sealing block 7 and the fixing block 9 to be placed in the air, and the height of the fixing block 9 is lower than that of the heat sealing block 7, so that the fixing block 9 can be in contact with a plastic bag and can be tightly pressed and fixed. The heat seal seat 11 can be made of high-temperature-resistant materials, the length of the heat seal seat 11 is matched with that of the heat seal block 7, the width of the heat seal seat 11 is suitable for the moving distance of the heat seal block 7, so that the heat seal block 7 can fall on the heat seal seat 11 wherever it moves, and the damage to the workbench 1 is avoided (the heat seal seat 11 can be transversely slidably mounted on the workbench 1, the specific sliding mode and the limiting mode can adopt the prior disclosed technology, and only the heat seal block 7 needs to be ensured to fall on the heat seal seat 11 wherever it moves, and the detailed description is omitted here). The lower surface of the fixing block 9 can be provided with a protection pad, so that the plastic bag can be pressed and fastened at regular time, the phenomena that the plastic bag is abraded and scraped by the fixing block 9 are avoided, and the plastic bag can be used normally. The bottom of the vertical plate 2 can be provided with a movable wheel, so that the device can be moved conveniently.

The working principle of the utility model is as follows: an operator adjusts the positions of the mounting plate 6 and the heat sealing block 7 according to the size of the plastic bag and uses the limiting block 8 for limiting and fixing; then, the plastic bag is correspondingly placed below the fixing block 9, so that two sides of the plastic bag to be sealed are correspondingly positioned on the heat sealing seats 11 on the two sides of the plastic bag; then, the lifting cylinder 4 is used for controlling the supporting plate 5, the fixing block 9 and the heat sealing block 7 to descend, so that the fixing block 9 is firstly contacted with the plastic bag and is pressed and fixed, then the heat sealing block 7 descends continuously, the two sides of the plastic bag are sealed, and the two sides of the plastic bag are thermally bonded together; then the lifting cylinder 4 controls the supporting plate 5, the fixing block 9 and the heat sealing block 7 to ascend until the plastic bag leaves, the plastic bag is rotated, the corner of the bottom of the plastic bag to be sealed is located on the heat sealing seat 11 on one side, the lifting cylinder 4 controls the supporting plate 5, the fixing block 9 and the heat sealing block 7 to descend, the fixing block 9 is in contact with the plastic bag and compresses and fixes the plastic bag, then the heat sealing block 7 continuously descends to seal the corner of the bottom of the plastic bag, the corner of the bottom of the plastic bag is bonded together in a heat sealing mode, and finally three sides of the plastic bag are sealed.

The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a plastic bag capper sealing structure, includes workstation (1), its characterized in that: a liftable supporting plate (5) is correspondingly arranged above the workbench (1), mounting plates (6) capable of sliding transversely are correspondingly arranged on two sides of the supporting plate (5), heat sealing blocks (7) are correspondingly fixed at the bottoms of the mounting plates (6), and heat sealing seats (11) are correspondingly arranged on two sides of the workbench (1); the bottom middle part of backup pad (5) evenly is equipped with a plurality of springs (10), backup pad (5) have fixed block (9) through spring (10) elastic connection.

2. The sealing structure of a plastic bag sealing machine as claimed in claim 1, wherein: two square holes (501) are symmetrically arranged on two sides of the supporting plate (5), and sliding grooves (504) are correspondingly arranged on the front side wall and the rear side wall of each square hole (501); the both sides of mounting panel (6) correspond and are equipped with slider (603) with spout (504) matched with, but mounting panel (6) pass through slider (603) slidable mounting in its spout (504) that correspond to carry out spacing fixed through stopper (8).

3. The sealing structure of a plastic bag sealing machine as claimed in claim 2, wherein: fixed guide arm (502) of being equipped with between the lateral wall about square hole (501), correspond the position on mounting panel (6) and be equipped with and dodge hole (601) with guide arm (502) assorted, guide arm (502) correspond to pass and dodge hole (601), guide arm (502) lateral sliding can be followed in mounting panel (6).

4. The sealing structure of a plastic bag sealing machine as claimed in claim 3, wherein: a plurality of first fixed orificess (503) have evenly been seted up to the upper surface of guide arm (502), second fixed orifices (602) have been seted up to the top correspondence of dodging hole (601) on mounting panel (6), stopper (8) comprise inserted bar (801) and apron (802), inserted bar (801) pass behind second fixed orifices (602) correspond insert first fixed orificess (503) in, realize the spacing of mounting panel (6) and fix.

5. The sealing structure of a plastic bag sealer according to any one of claims 1 to 4, wherein: the lifting device is characterized in that vertical plates (2) are fixedly mounted at two ends of the workbench (1), a top plate (3) is fixedly mounted at the tops of the vertical plates (2), a lifting cylinder (4) is correspondingly mounted at the bottom of the top plate (3), and the supporting plate (5) is fixedly connected with a piston rod (401) at the bottom of the lifting cylinder (4).

6. The sealing structure of a plastic bag sealing machine as claimed in claim 5, wherein: when the fixed block (9) is placed in the mid-air, the height of the fixed block is lower than that of the heat sealing block (7).