CN111055539A

CN111055539A - Heat sealing device for plastic bag

Info

Publication number: CN111055539A
Application number: CN201911360052.9A
Authority: CN
Inventors: 刘春田
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-24

Abstract

The invention discloses a heat sealing device for plastic bags, which comprises a work support table top, wherein the upper surface of the work support table top is respectively and fixedly provided with an auxiliary table and two fixed vertical plates, the fixed vertical plates are positioned at two sides of the auxiliary table, the upper surfaces of the two fixed vertical plates are jointly and fixedly provided with a top plate, the upper surfaces of the top plates are symmetrically and fixedly provided with electric telescopic rods, the output ends of the two electric telescopic rods penetrate through the top plate and are jointly and fixedly connected with a movable plate, the lower surface of the movable plate is fixedly provided with a mounting shell and a plurality of telescopic connecting rods, the mounting shell is positioned at the outer sides of the telescopic connecting rods, and the outside symmetry of installation shell has seted up the direction slide rail, and the common fixedly connected with of the lower extreme of a plurality of telescopic connecting rods has the buffer board that matches with the direction slide rail, evenly is provided with a plurality of buffer springs between buffer board and the fly leaf, and the lower fixed surface of buffer board installs the heat-seal mechanism that corresponds with the auxiliary station.

Description

Heat sealing device for plastic bag

Technical Field

The invention relates to the technical field of plastic bag production, in particular to a heat sealing device for a plastic bag.

Background

Plastic bags (Plastic bags) are bags made of thin and flammable Plastic films, are used for containing other articles, are commonly found in supermarkets, traditional markets, department stores, warehouses, garbage dumps and the like, and are essential articles in daily life. Plastic bags are widely used due to their advantages of low cost, extremely light weight, large capacity, convenient storage, etc., but are banned from production and use by some countries due to their disadvantages of extremely long degradation period and difficult handling. Plastic is a very light substance that can be softened by heating at very low temperatures and can be formed into various shapes as desired. The plastic product has bright color, light weight, no fear of falling, economy and durability, brings great convenience to the life of people and greatly promotes the development of industry.

When the plastic bag is produced, a heat sealing device is needed for sealing, however, the existing heat sealing device is easy to cause overlarge instantaneously generated force due to unbalance of power, damage is caused to a heat sealing mechanism, and the use safety is low; in addition, in order to place the heat sealing device stably, a travelling wheel for moving is not generally arranged at the bottom, but the problem of inconvenient moving is caused. To this end, a heat sealing apparatus for plastic bags is proposed.

Disclosure of Invention

The invention aims to provide a heat sealing device for plastic bags, which solves the problems that when the plastic bags are produced, the heat sealing device needs to be used for sealing, but the existing heat sealing device is easy to cause overlarge instantaneously generated force due to unbalance of power, damages a heat sealing mechanism and has lower use safety; in addition, in order to place the heat sealing device stably, a travelling wheel for moving is not generally arranged at the bottom, but the problem of inconvenient moving is caused.

In order to achieve the purpose, the invention provides the following technical scheme: a heat sealing device for plastic bags comprises a work support table top, wherein an auxiliary table and two fixed vertical plates are respectively and fixedly arranged on the upper surface of the work support table top, the fixed vertical plates are positioned on two sides of the auxiliary table, a top plate is jointly and fixedly arranged on the upper surfaces of the two fixed vertical plates, electric telescopic rods are symmetrically and fixedly arranged on the upper surface of the top plate, the output ends of the two electric telescopic rods penetrate through the top plate and are jointly and fixedly connected with a movable plate, an installation shell and a plurality of telescopic connecting rods are fixedly arranged on the lower surface of the movable plate, the installation shell is positioned on the outer side of the telescopic connecting rods, guide sliding rails are symmetrically arranged on the outer side of the installation shell, the lower ends of the plurality of telescopic connecting rods are jointly and fixedly connected with a buffer plate matched with the guide sliding rails, and the lower surface of the buffer plate is fixedly provided with a heat sealing mechanism corresponding to the auxiliary table.

Preferably, two the opposite face common rotation of fixed riser is connected with four deflector rolls, be connected through the bearing between deflector roll and the fixed riser, just the deflector roll is located the both sides of auxiliary table.

Preferably, the lower fixed surface of roof installs the air-cooler, the air-cooler is located the right side of fly leaf, just the air outlet fixedly connected with cold wind cover of air-cooler.

Preferably, the buffer spring is located on the outer side of the telescopic connecting rod, and two ends of the buffer spring are respectively fixed with the buffer plate and the movable plate through welding.

Preferably, four supporting legs are uniformly and fixedly mounted on the outer side of the lower surface of the working supporting table board, threaded holes are formed in the lower ends of the supporting legs, threaded columns are connected to the inner sides of the threaded holes in a threaded mode, and supporting blocks are fixedly connected to the lower ends of the threaded columns.

Preferably, the lower surface of the supporting block is fixedly provided with a rubber pad, and the lower surface of the rubber pad is provided with anti-skid grains.

Preferably, the lower surface central point of work support table surface puts fixed mounting and has servo motor, servo motor's output shaft fixedly connected with threaded rod, the outside threaded connection of threaded rod has the screwed pipe, four the outside of supporting leg is provided with the bottom suspension fagging with screwed pipe fixed connection jointly, the even fixed mounting of lower surface of bottom suspension fagging has four thrust wheels.

Preferably, the upper surface of lower carriage apron is even fixed mounting has four flexible posts, every the upper end of flexible post all with job support mesa fixed connection, just flexible post is located the inboard of supporting leg.

Preferably, the outer side of the servo motor is fixedly provided with a motor box connected with the working support table surface, and the outer side of the motor box is provided with heat dissipation holes.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the telescopic connecting rod and the buffer spring are arranged between the heat sealing mechanism and the movable plate, and the deformability of the buffer spring is utilized, so that a larger force instantaneously applied to the heat sealing mechanism can be buffered, the heat sealing mechanism is prevented from being damaged, and the use safety is higher.

2. According to the invention, the servo motor is started to drive the threaded rod to rotate, so that the threaded pipe at the outer side drives the lower supporting plate to move downwards, the supporting wheel supports the whole device, and the device is convenient to move.

Drawings

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

FIG. 2 is an enlarged view of part A of the present invention;

fig. 3 is a partially enlarged view of part B of the present invention.

In the figure: 1. a work support table; 2. a servo motor; 3. an auxiliary table; 4. a cold air cover; 5. an air cooler; 6. a heat sealing mechanism; 7. connecting blocks; 8. an electric telescopic rod; 9. a top plate; 10. a movable plate; 11. Fixing a vertical plate; 12. a guide roller; 13. supporting legs; 14. a thrust wheel; 15. a telescopic column; 16. a lower support plate; 17. a threaded pipe; 18. a threaded rod; 19. a guide slide rail; 20. a buffer plate; 21. installing a shell; 22. a buffer spring; 23. a telescoping connecting rod; 24. a threaded hole; 25. a threaded post; 26. and (7) a supporting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-3, a heat sealing device for plastic bags comprises a work supporting table 1, an auxiliary table 3 and two fixed vertical plates 11 are respectively and fixedly mounted on the upper surface of the work supporting table 1, the fixed vertical plates 11 are located on two sides of the auxiliary table 3, a top plate 9 is jointly and fixedly mounted on the upper surfaces of the two fixed vertical plates 11, electric telescopic rods 8 are symmetrically and fixedly mounted on the upper surface of the top plate 9, output ends of the two electric telescopic rods 8 penetrate through the top plate 9 and are jointly and fixedly connected with a movable plate 10, a mounting shell 21 and a plurality of telescopic connecting rods 23 are fixedly mounted on the lower surface of the movable plate 10, the mounting shell 21 is located on the outer side of the telescopic connecting rods 23, guide sliding rails 19 are symmetrically arranged on the outer side of the mounting shell 21, buffer plates 20 matched with the guide sliding rails 19 are jointly and fixedly connected to the lower ends of the plurality of telescopic connecting, and the lower surface of the buffer plate 20 is fixedly provided with the heat sealing mechanism 6 corresponding to the auxiliary table 3, and the heat sealing mechanism 6 can be buffered by the aid of the deformability of the buffer spring 22, so that the protection capability of the heat sealing mechanism 6 is enhanced.

Referring to fig. 1, the opposite surfaces of two fixed vertical plates 11 are rotatably connected with four guide rollers 12, the guide rollers 12 are connected with the fixed vertical plates 11 through bearings, and the guide rollers 12 are located at two sides of the auxiliary table 3 to ensure that the plastic bag can stably move during sealing.

Referring to fig. 1, an air cooler 5 is fixedly mounted on the lower surface of the top plate 9, the air cooler 5 is located on the right side of the movable plate 10, and an air outlet of the air cooler 5 is fixedly connected with a cooling air cover 4, so that the sealing position of the plastic bag can be conveniently and timely cooled.

Referring to fig. 2, the buffer spring 22 is located outside the telescopic connecting rod 23, and two ends of the buffer spring 22 are respectively welded and fixed to the buffer plate 20 and the movable plate 10, so that the buffer plate 20 and the movable plate 10 are firmly connected to the buffer spring 22.

Referring to fig. 3, four supporting legs 13 are uniformly and fixedly mounted on the outer side of the lower surface of the work supporting table top 1, a threaded hole 24 is formed in the lower end of each supporting leg 13, a threaded column 25 is connected to the inner side of the threaded hole 24 in a threaded manner, a supporting block 26 is fixedly connected to the lower end of the threaded column 25, and the supporting height of the corresponding supporting block 26 is adjusted by rotating the threaded column 25, so that the device is conveniently and stably placed.

Referring to fig. 3, a rubber pad is fixedly mounted on the lower surface of the supporting block 26, and anti-slip patterns are formed on the lower surface of the rubber pad to enhance the friction between the supporting block 26 and the ground, so that the device is stably placed.

Referring to fig. 1, a servo motor 2 is fixedly mounted at the center of the lower surface of a work support table 1, a threaded rod 18 is fixedly connected to an output shaft of the servo motor 2, a threaded pipe 17 is connected to the outer side of the threaded rod 18 in a threaded manner, a lower support plate 16 fixedly connected to the threaded pipe 17 is commonly arranged on the outer sides of four support legs 13, and four support wheels 14 are uniformly and fixedly mounted on the lower surface of the lower support plate 16, so that the device is convenient to move.

Referring to fig. 1, four telescopic columns 15 are uniformly and fixedly mounted on the upper surface of the lower support plate 16, the upper end of each telescopic column 15 is fixedly connected with the working support table 1, and the telescopic columns 15 are located on the inner sides of the support legs 13, so that the stability of the lower support plate 16 during lifting can be enhanced.

Referring to fig. 1, a motor box connected to the work support table 1 is fixedly installed on the outer side of the servo motor 2, and heat dissipation holes are formed in the outer side of the motor box to protect the servo motor 2.

The working principle is as follows: during the use, the plastic bag passes the gap department of two adjacent deflector rolls 12, can guarantee that the plastic bag moves steadily, starts air-cooler 5, heat-seal mechanism 6 and electric telescopic handle 8, and electric telescopic handle 8 drives heat-seal mechanism 6 and moves down, cooperates supplementary platform 3 to carry out the heat-seal to the plastic bag and handles, and when the cold wind cover 4 was being passed through, the produced cold wind of air-cooler 5 carries out quick cooling to the position department that seals of plastic bag. When the heat sealing mechanism 6 contacts the auxiliary table 3, the heat sealing mechanism 6 drives the connecting block 7 and the buffer plate 20 to move upwards, so that the telescopic connecting rod 23 and the buffer spring 22 are squeezed, and the protection capability of the heat sealing mechanism 6 is improved. When the device needs to be moved, the servo motor 2 is started, the servo motor 2 drives the threaded rod 18 connected with the output shaft of the servo motor to rotate, the threaded pipe 17 on the outer side is driven to drive the lower supporting plate 16 to move downwards, the telescopic column 15 is stretched at the moment, and finally the supporting wheel 14 is contacted with the ground to support the whole device, so that the device can be moved. When the ground is uneven, the supporting block 26 at the corresponding position is rotated to drive the threaded column 25 to rotate, so that the supporting block 26 moves downwards to stably support the device.

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. The utility model provides a heat sealing device of plastic bag, includes work support table surface (1), its characterized in that: the upper surface of the working support table board (1) is respectively and fixedly provided with an auxiliary table (3) and two fixed vertical plates (11), the fixed vertical plates (11) are positioned at two sides of the auxiliary table (3), the upper surfaces of the two fixed vertical plates (11) are jointly and fixedly provided with a top plate (9), the upper surface of the top plate (9) is symmetrically and fixedly provided with electric telescopic rods (8), the output ends of the two electric telescopic rods (8) penetrate through a movable plate (10) which is jointly and fixedly connected with the top plate (9), the lower surface of the movable plate (10) is fixedly provided with an installation shell (21) and a plurality of telescopic connecting rods (23), the installation shell (21) is positioned at the outer side of the telescopic connecting rods (23), the outer side of the installation shell (21) is symmetrically provided with guide sliding rails (19), and the lower ends of the plurality of the telescopic connecting rods (23) are jointly and fixedly connected with buffer plates (20), a plurality of buffer springs (22) are uniformly arranged between the buffer plate (20) and the movable plate (10), and a heat sealing mechanism (6) corresponding to the auxiliary table (3) is fixedly arranged on the lower surface of the buffer plate (20).

2. A heat-sealing apparatus for plastic bags according to claim 1, wherein: two the opposite face of fixed riser (11) rotates jointly and is connected with four deflector rolls (12), be connected through the bearing between deflector roll (12) and fixed riser (11), just deflector roll (12) are located the both sides of auxiliary station (3).

3. A heat-sealing apparatus for plastic bags according to claim 1, wherein: the lower fixed surface of roof (9) installs air-cooler (5), air-cooler (5) are located the right side of fly leaf (10), just the air outlet fixedly connected with cool air cover (4) of air-cooler (5).

4. A heat-sealing apparatus for plastic bags according to claim 1, wherein: the buffer spring (22) is located on the outer side of the telescopic connecting rod (23), and two ends of the buffer spring (22) are fixed with the buffer plate (20) and the movable plate (10) through welding.

5. A heat-sealing apparatus for plastic bags according to claim 1, wherein: four supporting legs (13), every are evenly fixed mounting in the lower surface outside of job support mesa (1) threaded hole (24) are all seted up to the lower extreme of supporting leg (13), the inboard threaded connection of threaded hole (24) has screw thread post (25), the lower extreme fixedly connected with supporting shoe (26) of screw thread post (25).

6. A heat-sealing apparatus for plastic bags according to claim 5, wherein: the lower surface of the supporting block (26) is fixedly provided with a rubber pad, and the lower surface of the rubber pad is provided with anti-skid grains.

7. A heat-sealing apparatus for plastic bags according to claim 5, wherein: the utility model discloses a support leg, including work support table surface (1), the lower surface central point of work support table surface (1) puts fixed mounting has servo motor (2), the output shaft fixedly connected with threaded rod (18) of servo motor (2), the outside threaded connection of threaded rod (18) has screwed pipe (17), four the outside of supporting leg (13) is provided with lower backup pad (16) with screwed pipe (17) fixed connection jointly, the even fixed mounting of lower surface of lower backup pad (16) has four thrust wheels (14).

8. A heat-sealing apparatus for plastic bags according to claim 7, wherein: the even fixed mounting of upper surface of bottom suspension fagging (16) has four flexible posts (15), every the upper end of flexible post (15) all with job support mesa (1) fixed connection, just flexible post (15) are located the inboard of supporting leg (13).

9. A heat-sealing apparatus for plastic bags according to claim 7, wherein: the outer side of the servo motor (2) is fixedly provided with a motor box connected with the working support table board (1), and heat dissipation holes are formed in the outer side of the motor box.