CN210417207U

CN210417207U - Heat-shrinkable sealing structure

Info

Publication number: CN210417207U
Application number: CN201921363336.9U
Authority: CN
Inventors: 姜亮; 张淳; 张增涛
Original assignee: Shandong Renrui Biotechnology Co ltd
Current assignee: Shandong Renrui Biotechnology Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-04-28
Anticipated expiration: 2029-08-21

Abstract

The application discloses a heat-shrinkable sealing structure, which is used for sealing a bag body, wherein a rack is provided with a groove pressing roller and a bump roller in pair, the side surface of the bump roller is provided with a bump, the side surface of the groove pressing roller is provided with a groove pressing matched with the bump, and the bump is positioned in the groove pressing; the lug roller and the groove pressing roller are both arranged on the rack through driving shafts, driving gears are also arranged on the driving shafts, the driving gears on the adjacent driving shafts are driven through driving chains, and the driving chains are also connected with output shafts of driving motors; the driving motor is positioned on a motor plate body, the motor plate body is positioned on one side of the arc-shaped guide plate, and the arc-shaped guide plate is positioned at the inlet of the rack; the outer sides of the convex block roller and the pressing groove roller are both provided with heating plates, and the convex block and the pressing groove are both in contact with heating ports of the heating plates. The sealing structure is used for replacing the original sealing structure in the thermal contraction sealing equipment, and the purposes of improving the sealing effect and the sealing quality and reducing the mechanical complexity are achieved.

Description

Heat-shrinkable sealing structure

Technical Field

The application belongs to the closing device field, and specifically speaking especially relates to a heat shrink sealing structure.

Background

In the production of bagged products, the sealing equipment is the most common processing device, especially when thermoplastic materials are used for the bags, which is usually done by heat shrink sealing. When the heat-shrinkable sealing equipment is used for sealing, the mechanical cooperation of the sealing structure often determines the quality of the seal.

The adopted heat-shrinkable sealing structure can achieve the best sealing effect and quality, and can reduce the complexity of a mechanical structure to a certain extent, thereby becoming one of the technical problems to be solved by industry providers and demanders.

Disclosure of Invention

An object of this application is to provide a heat shrink sealing structure for at the above-mentioned original sealing structure of replacing of heat shrink sealing equipment, reach and improve the effect of sealing and seal the quality, reduce mechanical complexity's purpose.

In order to achieve the purpose, the method is realized by the following technical scheme:

the application discloses a heat-shrinkable sealing structure, which comprises a rack, wherein a groove pressing roller and a bump roller are arranged on the rack in pairs and are respectively arranged on two sides of the rack, bumps are arranged on the side surfaces of the bump rollers, a groove matched with the bumps is processed on the side surfaces of the groove pressing roller, and the bumps are positioned in the groove pressing roller; the lug roller and the groove pressing roller are both arranged on the rack through driving shafts, driving gears are also arranged on the driving shafts, the driving gears on the adjacent driving shafts are driven through driving chains, and the driving chains are also connected with output shafts of driving motors; the driving motor is positioned on a motor plate body, the motor plate body is positioned on one side of the arc-shaped guide plate, and the arc-shaped guide plate is positioned at the inlet of the rack; the outer sides of the convex block roller and the pressing groove roller are both provided with heating plates, and the convex block and the pressing groove are both in contact with heating ports of the heating plates.

Furthermore, the side surface of the bump roller wheel is distributed with bumps, and the bumps are of an annular structure or a dotted structure protruding out of the side surface of the bump roller wheel.

Further, the heating port described in this application is a groove structure matched with the bump or a protrusion structure matched with the indent.

Further, the heating port in this application includes the heat-conducting plate that heat conduction wear-resisting metal material made, and the heat-conducting plate contacts with the hot plate, and the inside of hot plate is provided with the resistance wire of being connected with the electrode.

Furthermore, the inner side surface of the arc-shaped guide plate is provided with a protective edge perpendicular to the arc-shaped guide plate.

Compared with the prior art, the beneficial effects of this application are:

this application changes the mechanical structure of original thermoplasticity sealing equipment, reduces original mechanical structure's complexity, improves the stability of sealing the effect and improves and seal the quality, helps producer reduction in production cost, and the demand side reduces the degree of difficulty of maintaining.

Drawings

Fig. 1 is a schematic structural diagram of the present application.

Fig. 2 is a schematic structural diagram of a bump roller in the present application.

Fig. 3 is a schematic view of the construction of a nip roller in the present application.

Fig. 4 is a schematic structural diagram of a heating plate in the present application.

Fig. 5 is a schematic structural view of a heating plate in the present application.

In the figure: 1. heating plates; 2. a heating port; 3. a bump roller; 4. a drive chain; 5. a drive gear; 6. a drive shaft; 7. A bump; 8. a frame; 9. a motor board body; 10. an arc-shaped guide plate; 11. protecting edges; 12. a drive motor; 13. pressing a groove; 14. A groove pressing roller; 15. a heat conducting plate; 16. heating the plate.

Detailed Description

The technical solutions described in the present application are further described below with reference to the accompanying drawings and embodiments. It should be noted that the following paragraphs may refer to terms of orientation including, but not limited to, "upper, lower, left, right, front, rear", etc., which are based on the orientation shown in the drawings corresponding to the specification, and should not be construed as limiting the scope or technical solutions of the present application, but merely as facilitating better understanding of the technical solutions described in the present application by those skilled in the art.

Example 1

A heat-shrinkable sealing structure comprises a rack 8, wherein a groove pressing roller 14 and a bump roller 3 are arranged on the rack 8 in pairs, the groove pressing roller 14 and the bump roller 3 are respectively arranged on two sides of the rack 8, a bump 7 is arranged on the side surface of the bump roller 3, a groove 13 matched with the bump 7 is processed on the side surface of the groove pressing roller 14, and the bump 7 is positioned in the groove 13; the bump roller 3 and the groove pressing roller 14 are both arranged on the rack 8 through the driving shaft 6, the driving gear 5 is also arranged on the driving shaft 6, the driving gear 5 on the adjacent driving shaft 6 is transmitted through the driving chain 4, and the driving chain 4 is also connected with the output shaft of the driving motor 12; the driving motor 12 is positioned on the motor plate body 9, the motor plate body 9 is positioned on one side of the arc-shaped guide plate 10, and the arc-shaped guide plate 10 is positioned at the inlet of the rack 8; the heating plates 1 are arranged on the outer sides of the bump roller 3 and the pressing groove roller 14, and the bump 7 and the pressing groove 13 are in contact with the heating port 2 of the heating plate 1; the side surface of the bump roller 3 is distributed with bumps 7, and the bumps 7 are of an annular structure or a dotted structure protruding out of the side surface of the bump roller 3; the heating port 2 is a groove structure matched with the bump 7 or a convex structure matched with the pressing groove 13; the heating port 2 comprises a heat conduction plate 15 made of heat conduction wear-resistant metal materials, the heat conduction plate 15 is in contact with the heating plate 1, and a resistance wire connected with an electrode is arranged in the heating plate 1; and the inner side surface of the arc-shaped guide plate 10 is provided with a protective edge 11 vertical to the arc-shaped guide plate.

On the basis of the above-mentioned embodiments, the present application continues to describe the technical features and functions of the technical features mentioned therein in detail to help those skilled in the art to fully understand the technical solutions of the present application and reproduce the same.

In this application, thermal contraction sealing structure's primary structure be lug running roller 3 and indent running roller 14, lug running roller 3 after the heating mutually supports with indent running roller 14 after the heating, and then seals through thermoplastic material between the two, and then reaches the best effect of sealing.

Specifically, in the present application, the bump roller 3 has a circular plate type structure, and a protruding bump 7 having a ring structure or a dot structure is provided on a side surface of the circular plate type structure. The cam 7 with a dot-like structure is located on the cam roller 3 on the inlet side, while the ring-like structure coaxial with the cam roller 3 is located on the cam roller 3 at the rear in the entire apparatus. The lug 7 with the dot structure can preliminarily position the thermoplastic bag body to be sealed so as to prevent the deviation of the sealing part in the subsequent thermoplastic sealing process.

As shown in fig. 1, in the present application, the smaller the number of the bumps 7 on the bump roller 3 closest to the inlet. The lugs 7 gradually form a coaxial ring structure on the side of the lug roller 3 as the thermoplastic bag moves from the inlet to the outlet, thereby achieving point → line sealing.

In the present application, the structure of the bump roller 3 and the groove roller 14 is as shown in fig. 2 to fig. 3, and the bump 7 and the indent 13 between the two can cooperate with each other to compact the place to be sealed in the process of movement. In the compaction process, the position to be sealed is gradually jointed together under the influence of heat transferred by the two parts.

In this application, hot plate 1 on process have with lug 7, indent 13 complex heating mouth 2, heating mouth 2 can heat lug 7, indent 13 to transmit to waiting to seal the department through lug 7, indent 13 pressfitting back, realize the sealing of the thermoplastic bag body.

It should be noted that the thermoplastic bag bodies described in the present application are moved by a conveyor belt, and the bump rollers 3 and the indent rollers 14 are moved by a driving gear 5 and a driving chain 4 engaged with the driving shaft 6. The drive chain 4 connects adjacent drive shafts 6 of the frame 8 in series and then to the drive motor 12. After being electrified, the driving motor 12 can drive the driving chain 4 to drive through the output shaft gear, so that the groove pressing roller 14 and the bump roller 3 can be driven.

In the present application, as shown in fig. 1, the driving motor 12 is mounted on the motor plate 9, and the motor plate 9 is located outside the arc-shaped guide plate 10 at the inlet. The arc-shaped guide plate 10 is of a horn-shaped opening structure, and the thermoplastic bag body with a large opening is gradually folded, and is sent into the space between the paired bump roller 3 and the pressing groove roller 14 in the folding process, and the sealing is realized through the gradual pressing of the bump roller 3 and the pressing groove roller 14. In order to avoid the scratch of the thermoplastic bag body by the arc-shaped guide plate 10, the guard plate 11 vertical to the upper end face of the arc-shaped guide plate 10 is arranged on the inner surface of the arc-shaped guide plate 10 in the application, and the outer surface of the guard plate 11 is a smooth plate body, so that the scratch rate is reduced, and the movement efficiency of the thermoplastic bag body is improved.

Claims

1. The utility model provides a heat shrink sealing structure, includes frame (8), is provided with indent running roller (14) and lug running roller (3) in pairs on frame (8), its characterized in that: the groove pressing roller (14) and the bump roller (3) are respectively arranged on two sides of the rack (8), a bump (7) is arranged on the side surface of the bump roller (3), a groove pressing (13) matched with the bump (7) is processed on the side surface of the groove pressing roller (14), and the bump (7) is positioned in the groove pressing (13); the bump roller (3) and the groove pressing roller (14) are both arranged on the rack (8) through the driving shaft (6), the driving gear (5) is further arranged on the driving shaft (6), the driving gears (5) on the adjacent driving shafts (6) are transmitted through the driving chain (4), and the driving chain (4) is further connected with an output shaft of the driving motor (12); the driving motor (12) is positioned on the motor plate body (9), the motor plate body (9) is positioned on one side of the arc-shaped guide plate (10), and the arc-shaped guide plate (10) is positioned at the inlet of the rack (8); the heating plate (1) is arranged on the outer sides of the bump roller (3) and the pressing groove roller (14), and the bump (7) and the pressing groove (13) are in contact with the heating port (2) of the heating plate (1).

2. The heat-shrinkable closure structure according to claim 1, wherein: the side surface of the bump roller (3) is distributed with bumps (7), and the bumps (7) are of an annular structure or a dotted structure protruding out of the side surface of the bump roller (3).

3. The heat-shrinkable closure structure according to claim 1, wherein: the heating port (2) is of a groove structure matched with the bump (7) or a protruding structure matched with the pressing groove (13).

4. The heat-shrinkable sealing structure of claim 3, wherein: the heating port (2) comprises a heat conduction plate (15) made of heat conduction wear-resistant metal materials, the heat conduction plate (15) is in contact with the heating plate (1), and a resistance wire connected with an electrode is arranged in the heating plate (1).

5. The heat-shrinkable closure structure according to claim 1, wherein: and the inner side surface of the arc-shaped guide plate (10) is provided with a protective edge (11) vertical to the arc-shaped guide plate.