CN211618290U

CN211618290U - Plastic bag sealing device

Info

Publication number: CN211618290U
Application number: CN201922384212.5U
Authority: CN
Inventors: 于向阳
Original assignee: Qingdao Red Gold Star Packaging And Printing Co ltd
Current assignee: Qingdao Red Gold Star Packaging And Printing Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-02
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a plastic bag sealing device, which relates to the technical field of plastic bag sealing devices and comprises a device main body, wherein the top of the device main body is connected with a transverse plate, the bottom of the transverse plate is provided with a cylinder, the output end of the cylinder is connected with a piston rod, the bottom of the piston rod is connected with a bracket, the bottom opening part of the bracket is connected with a roller through a rotating shaft, the outer ring of the roller is provided with a roller pressing groove, the plastic bag sealing device can further strengthen the sealing position of a plastic belt by the roller, a bulge, a groove and the roller pressing groove through the roller rod driving the roller to move downwards through the piston rod, the roller contacts with a workbench, the roller pressing groove corresponds to the bulge, the roller corresponds to the position of the bulge, thereby improving the accuracy of the sealing, when the workbench is pressurized, the roller can transmit to an electric heating wire, the electric heating wire, the compression of the adjusting spring maintains the stress balance of the electric heating wire, and the electric heating wire is prevented from loosening to influence the heating of the plastic bag.

Description

Plastic bag sealing device

Technical Field

The utility model relates to a plastic bag closing device technical field specifically is a plastic bag closing device.

Background

The plastic bag is a bag made of nitrocellulose as a main raw material, is an essential article in daily life of people, is often used for containing other articles, is widely used due to the advantages of low price, extremely light weight, large capacity and convenient storage, and is sealed, the plastic bag is a last process for completing the packaging of products and is also an important process.

The existing plastic bag sealing device mostly adopts a pressing plate to pressurize and seal, when in use, the position which can not accurately correspond to the plastic bag and needs to be sealed can cause the bag sealing to be crooked and produce defective products, and an electric heating wire on a workbench is easy to loosen and shift, so that the plastic bag is not uniformly heated when the sealing is caused, and the sealing quality is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic bag closing device to the position that can not correspond when solving above-mentioned background art and sealing and heating wire easily relax and lead to being heated uneven problem.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic bag sealing device comprises a device main body, a transverse plate is connected with the top of the device main body, the bottom of the transverse plate is provided with an air cylinder, the output end of the air cylinder is connected with a piston rod, the bottom of the piston rod is connected with a bracket, the bottom opening of the bracket is connected with a roller through a rotating shaft, the outer ring of the roller is provided with a pressure roller groove, a conveying belt is arranged in the device main body, two sides in the conveying belt are connected with a rotating shaft, the transmission roller is arranged in the conveyor belt, the top of the conveyor belt is provided with a workbench, the top of the workbench is provided with a bulge, the top of the bulge is provided with a groove, the interior of the groove is connected with an electric heating wire, the interior of the electric heating wire is connected with a heating element, the bottom both sides of heating wire are connected with first supporting shoe, the bottom of first supporting shoe is connected with the second supporting shoe through adjusting spring.

Preferably, the roller groove is matched with the protrusion, and the roller is in rolling connection with the protrusion through the roller groove.

Preferably, the number of the grooves is two, and the grooves and the protrusions are distributed at intervals.

Preferably, the number of the adjusting springs is two, and the two adjusting springs are arranged along the center of the transverse shaft of the workbench in a symmetrical mode.

Preferably, the roller is rotatably connected with the bracket through a rotating shaft.

Preferably, the adjusting spring is made of steel.

Preferably, the protrusion is arranged on one side of the top of the workbench, and the roller is arranged corresponding to the protrusion.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of plastic bag closing device, through the gyro wheel, it is protruding, recess and compression roller groove, drive the gyro wheel downstream through the piston rod, the gyro wheel contacts the workstation, the compression roller groove corresponds the arch, the gyro wheel is corresponding with bellied position, can further strengthen the position that the plastic tape sealed, prevent its skew, improve the accuracy of sealing, when the workstation receives pressure, can pass to the heating wire, the heating wire passes to first supporting block with pressure, first supporting block passes to adjusting spring, adjusting spring compression maintains the heating wire atress balance, prevent that the heating wire from relaxing the being heated that influences the plastic bag.

Drawings

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

FIG. 2 is a schematic view of the structure of the working table of the present invention;

FIG. 3 is a schematic view of the roller structure of the present invention;

fig. 4 is the internal structure diagram of the workbench of the present invention.

In the figure: 1. a device main body; 2. a cylinder; 3. a piston rod; 4. a conveyor belt; 5. a rotating shaft; 6. a roller; 7. a work table; 8. a support; 9. a protrusion; 10. a groove; 11. a rotating shaft; 12. pressing a roller groove; 13. a heat generating member; 14. a first support block; 15. adjusting the spring; 16. a second support block; 17. an electric heating wire; 18. a driving roller; 19. a transverse plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the type of the cylinder is SCJ63 x 100-50.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, can be connected inside two elements or can be in an interaction relationship between the two elements, and the specific meaning of the terms in the present invention can be understood according to specific situations by those skilled in the art

Referring to fig. 1-4, the present invention provides a technical solution: a plastic bag sealing device comprises a device main body 1, an air cylinder 2, a piston rod 3, a conveyor belt 4, a rotating shaft 5, a roller 6, a workbench 7, a support 8, a protrusion 9, a groove 10, a rotating shaft 11, a compression roller groove 12, a heating part 13, a first supporting block 14, an adjusting spring 15, a second supporting block 16, a heating wire 17, a transmission roller 18 and a transverse plate 19, wherein the top of the device main body 1 is connected with the transverse plate 19, the air cylinder 2 is installed at the bottom of the transverse plate 19, the output end of the air cylinder 2 is connected with the piston rod 3, the bottom of the piston rod 3 is connected with the support 8, the opening at the bottom of the support 8 is connected with the roller 6 through the rotating shaft 11, the outer ring of the roller 6 is provided with the compression roller groove 12, the conveyor belt 4 is installed inside the device main body 1, the rotating shaft 5 is, the top of workstation 7 is provided with arch 9, and arch 9's top is seted up flutedly 10, and the internal connection of recess 10 has heating wire 17, and the internal connection of heating wire 17 has heating element 13, and the bottom both sides of heating wire 17 are connected with first supporting shoe 14, and the bottom of first supporting shoe 14 is connected with second supporting shoe 16 through adjusting spring 15, operates the plastic bag through conveyer belt 4 and seals.

Referring to fig. 1-3, the two pressing roller grooves 12 are matched with the protrusions 9, the roller 6 is in rolling connection with the protrusions 9 through the pressing roller grooves 12, the two grooves 10 are distributed at intervals, the roller 6 is rotatably connected with the bracket 8 through the rotating shaft 11, the piston rod 3 drives the roller 6 to move downwards, the roller 6 contacts the workbench 7, the pressing roller grooves 12 correspond to the protrusions 9, and the roller 6 seals the plastic bag at the grooves 10, so that the sealing accuracy is improved.

Referring to fig. 4, two adjusting springs 15 are provided, the two adjusting springs 15 are symmetrically arranged along the center of the transverse shaft of the worktable 7, the adjusting springs 15 are made of steel, and the compression of the adjusting springs 15 maintains the stress balance of the heating wires 17, thereby preventing the heating wires 17 from loosening and affecting the heating of the plastic bag.

Referring to fig. 1-3, the protrusion 9 is disposed on one side of the top of the working platform 7, and the roller 6 is disposed corresponding to the protrusion 9, so that the position of the plastic tape seal can be further enhanced and prevented from deviating by the roller 6 disposed corresponding to the protrusion 9.

The working principle is as follows: firstly, an external power line is connected with the electric heating wire 17, the electric heating wire 17 obtains electric energy to preheat, after a few seconds, the conveying belt 4 is started, the conveying belt 4 is conveyed through the driving roller 18, a plastic bag to be packaged is placed on the workbench 7, a packaging opening corresponds to the protrusion 9 and the compression roller groove, the heating wire 17 preheats the opening of the plastic bag to heat, the air cylinder 2 is started again, the air cylinder 2 operates to drive the piston rod 3 to move downwards, the piston rod 3 drives the roller 6 to move downwards, the roller 6 contacts the workbench 7, the compression roller groove 12 corresponds to the protrusion 9, the roller 6 seals the plastic bag at the groove 10, when the conveyor belt 4 is operated, the plastic bag is sealed, when the workbench 7 is pressurized, the pressure is transmitted to the heating wire 17, the heating wire 17 transmits the pressure to the first supporting block 14, the first supporting block 14 transmits the pressure to the adjusting spring 15, and the adjusting spring 15 is compressed to maintain the stress balance of the heating wire 17.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plastic bag closing apparatus comprising an apparatus main body (1), characterized in that: the device is characterized in that a transverse plate (19) is connected to the top of the device main body (1), an air cylinder (2) is installed at the bottom of the transverse plate (19), a piston rod (3) is connected to the output end of the air cylinder (2), a support (8) is connected to the bottom of the piston rod (3), an idler wheel (6) is connected to the bottom opening of the support (8) through a rotating shaft (11), a pressure roller groove (12) is formed in the outer ring of the idler wheel (6), a conveying belt (4) is installed inside the device main body (1), rotating shafts (5) are connected to two sides inside the conveying belt (4), a transmission roller (18) is installed inside the conveying belt (4), a workbench (7) is arranged at the top of the conveying belt (4), a bulge (9) is arranged at the top of the workbench (7), a groove (10) is formed in the top of the bulge (9), the interior connection of heating wire (17) has heating element (13), the bottom both sides of heating wire (17) are connected with first supporting shoe (14), the bottom of first supporting shoe (14) is connected with second supporting shoe (16) through regulating spring (15).

2. The plastic bag closing apparatus of claim 1, wherein: the roller pressing groove (12) is matched with the protrusion (9), and the roller (6) is in rolling connection with the protrusion (9) through the roller pressing groove (12).

3. The plastic bag closing apparatus of claim 1, wherein: the number of the grooves (10) is two, and the grooves (10) and the protrusions (9) are distributed at intervals.

4. The plastic bag closing apparatus of claim 1, wherein: the two adjusting springs (15) are arranged, and the two adjusting springs (15) are arranged along the center of the transverse shaft of the workbench (7) in a symmetrical mode.

5. The plastic bag closing apparatus of claim 1, wherein: the roller (6) is rotatably connected with the bracket (8) through a rotating shaft (11).

6. The plastic bag closing apparatus of claim 1, wherein: the adjusting spring (15) is made of steel.

7. The plastic bag closing apparatus of claim 1, wherein: the bulges (9) are arranged on one side of the top of the workbench (7), and the rollers (6) and the bulges (9) are arranged correspondingly.