High-transparency PE film stretching device

By adopting a heating circulation box structure in a high-transparent PE film stretching device, the hot air of the heating stretching box is collected and recycled, and the problems of uneven heating and inconvenient heat recovery of traditional devices are solved, and the work efficiency and environmental protection effect are improved.

CN222780005UActive Publication Date: 2025-04-22TIANJIN DAYANGGUANG DAXIN MATERIAL CO LTD
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Patent Information

Application Number
CN202421402521.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-22
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The heating area of ​​the traditional high-transparent PE film stretching device is not uniform enough, resulting in low working efficiency and inconvenient heat recovery, resulting in increased energy consumption and waste of heat.

Method used

A high-transparent PE film stretching device is designed, adopting a heating circulation box structure, including an air outlet box, a conveying pipe and a heating conveying box. Through the arrangement of corresponding holes and conveying pipes, the hot gas of the heating stretching box is collected and transported to the heating conveying box for preheating and recycling.

Benefits of technology

The uniform heating of the high-transparent PE film is achieved, the stretching work efficiency is improved, and the energy consumption is reduced through the recycling of hot gas, and the environmental protection effect is enhanced.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a high-transparency PE film stretching device which comprises a heating stretching box, and conveying rollers are installed on the upper side and the lower side of the rear portion in the heating stretching box through bearings. A sealing cover plate is arranged at the front end of the heating stretching box; side support plates are welded on the front and rear sides of the upper part of the left end of the heating stretching box; a supporting cylinder is coupled between the side supporting plates; a heating circulation box structure is installed at the rear end of the heating stretching box. Through the arrangement of the heating circulating box structure, the recycled hot air is conveyed into the heating conveying box structure to preheat fresh air, so that the hot air is recycled, the energy consumption of the heating conveying box structure is reduced, and the environmental protection effect is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of PE film stretching, and in particular relates to a high-transparency PE film stretching device. Background Art

[0002] The high-transparency PE film stretching device is an instrument device that realizes stretching treatment by conveying in a hotter space during the processing of high-transparency PE film. The traditional high-transparency PE film stretching device includes a heating and insulation box, a PE film conveying mechanism is arranged on the outer side of the heating and insulation box, a PE film inlet is opened on the heating and insulation box, a PE film transmission and stretching mechanism is arranged inside the heating and insulation box, a PE film detection structure is arranged on the outer side of the heating and insulation box away from the PE film conveying mechanism, a PE film outlet and other structures are arranged on the heating and insulation box, and it has the characteristics of improving the stretching processing quality of the PE film body, but the heating part thereof does not heat the high-transparency PE film uniformly, which increases the work efficiency and the exhaust heat is not convenient to recover, which easily causes waste and increases energy consumption. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a high-transparency PE film stretching device, which realizes hot air flow at the stretching point to make the high-transparency PE film evenly heated to increase the stretching efficiency and recovers the exhausted heat to reduce energy consumption and perform environmentally friendly work.

[0004] The technical solution is as follows: a highly transparent PE film stretching device, comprising a heating stretching box, wherein conveying rollers are installed on the upper and lower sides of the rear interior of the heating stretching box through bearings; a sealing cover plate is arranged at the front end of the heating stretching box; side support plates are welded on the front and rear sides of the upper left end of the heating stretching box; a supporting tube is axially connected between the side support plates; a heating circulation box structure is installed at the rear end of the heating stretching box, characterized in that the heating circulation box structure comprises an air outlet box, and a corresponding hole is opened at the front end of the air outlet box; conveying pipes are welded on the left and right sides of the upper interior of the air outlet box; and the upper end of the conveying pipe is supported by the heating conveying box structure.

[0005] Preferably, the air outlet box bolts are installed on the lower side of the rear end of the heating and stretching box, and the air outlet box is connected to the air outlet hole at the rear end of the heating and stretching box through the corresponding hole.

[0006] Compared with the prior art, the beneficial effects of the utility model are:

[0007] In the utility model, the arrangement of the air outlet box and the corresponding holes facilitates the collection of hot air inside the heating and stretching box for recycling.

[0008] In the utility model, the arrangement of the delivery pipe allows the recovered hot air to be delivered to the heating delivery box structure for preheating the fresh air, so that the hot air is recycled, thereby reducing the energy consumption of the heating delivery box structure and increasing the environmental protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural schematic diagram of the utility model.

[0010] Figure 2 It is a structural schematic diagram of the heating circulation box structure of the utility model.

[0011] Figure 3 It is a structural schematic diagram of the heating conveying box structure of the utility model.

[0012] In the figure:

[0013] 1. Heating and stretching box; 2. Conveying roller; 3. Sealing cover plate; 4. Side support plate; 5. Support cylinder; 6. Heating circulation box structure; 61. Air outlet box; 62. Corresponding holes; 63. Conveying pipe; 64. Heating and conveying box structure; 641. Heating box; 642. Conveying fan; 643. Electric heating pipe; 644. Partition; 645. Dustproof net. DETAILED DESCRIPTION

[0014] The utility model is further described below in conjunction with the accompanying drawings:

[0015] Example:

[0016] As attached Figure 1 As shown, a high-transparency PE film stretching device comprises a heating stretching box 1, wherein conveying rollers 2 are installed on the upper and lower sides of the rear interior of the heating stretching box 1 through bearings; a sealing cover plate 3 is arranged at the front end of the heating stretching box 1; side support plates 4 are welded on the front and rear sides of the upper left end of the heating stretching box 1; support cylinders 5 are axially connected between the side support plates 4; and a heating circulation box structure 6 is installed at the rear end of the heating stretching box 1.

[0017] As attached Figure 2 As shown, in the above embodiment, specifically, the heating circulation box structure 6 includes an air outlet box 61, and a corresponding hole 62 is opened at the front end of the air outlet box 61; conveying pipes 63 are welded on the left and right sides of the upper part of the air outlet box 61; the upper end of the conveying pipe 63 supports the heating conveying box structure 64; the hot air in the heating stretching box 1 will flow downward from a high position and enter the air outlet box 61 through the corresponding hole 62, and then enter the heating box 641 through the conveying pipe 63.

[0018] As attached Figure 3As shown, in the above embodiment, specifically, the heating and conveying box structure 64 includes a heating box 641, and the lower bolts of the inner wall of the heating box 641 support a partition 644; a conveying fan 642 is embedded inside the partition 644; an electric heating tube 643 is installed on the front bolts of the conveying fan 642; a dustproof net 645 is embedded at the lower rear side of the interior of the heating box 641; the conveying fan 642 and the electric heating tube 643 are driven, so that the outside air is filtered through the dustproof net 645 and enters the heating box 641 to be heated and conveyed to the heating stretching box 1.

[0019] In the above embodiment, specifically, the air outlet box 61 is bolted to the lower side of the rear end of the heating and stretching box 1 , and the air outlet box 61 is connected to the air outlet hole at the rear end of the heating and stretching box 1 through the corresponding hole 62 .

[0020] In the above embodiment, specifically, the upper end of the delivery pipe 63 is embedded in the lower side of the interior of the heating box 641, so that the hot gas is recovered and enters the heating box 641 for use.

[0021] In the above embodiment, specifically, an air injection hole is provided at the front end of the heating box 641, and corresponds to the air inlet hole on the upper side of the rear end of the heating and stretching box 1, so as to facilitate the injection of hot air into the heating and stretching box 1 and flow out from the air outlet hole on the lower side of the heating and stretching box 1. In this way, the hot air can flow in the heating and stretching box 1, thereby uniformly heating the high-transparency PE film and increasing the stretching effect and work efficiency.

[0022] In the above embodiment, specifically, the lower end of the interior of the heating box 641 is embedded and connected with the upper end of the delivery pipe 63 to deliver the recovered hot air for utilization.

[0023] In the above embodiment, specifically, the dustproof net 645 adopts an activated carbon net to filter the fresh air from the outside to prevent dust.

[0024] How it works

[0025] The working principle of the utility model is as follows: when stretching the high-transparency PE film, it is first inserted into the heating stretching box 1 through the support tube 5, then wrapped around the conveying roller 2 and led out from the heating stretching box 1 to connect to the winding device. After installation, the sealing cover plate 3 is installed to seal the heating stretching box 1, and then the winding device is driven to cooperate with the conveying roller 2 to convey the high-transparency PE film. During the conveying process, the conveying fan 642 and the electric heating pipe 643 are driven, so that the outside air is filtered through the dustproof net 645 and enters the heating box 641 to be heated and transported to the heating stretching box 1 to cooperate with the conveyed high-transparency PE film for stretching. During use, the hot air in the heating stretching box 1 will flow downward from a high position and enter the air outlet box 61 through the corresponding hole 62, and then enter the heating box 641 through the conveying pipe 63 to be mixed with fresh air for preheating.

[0026] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A highly transparent PE film stretching device, comprising a heating stretching box (1), wherein conveying rollers (2) are installed on both upper and lower sides of the rear of the heating stretching box (1) through bearings; a sealing cover plate (3) is arranged at the front end of the heating stretching box (1); side support plates (4) are welded on both front and rear sides of the upper left end of the heating stretching box (1); a support cylinder (5) is axially connected between the side support plates (4); a heating circulation box structure (6) is installed at the rear end of the heating stretching box (1), characterized in that: The heating circulation box structure (6) comprises an air outlet box (61), and a corresponding hole (62) is opened at the front end of the air outlet box (61); conveying pipes (63) are welded on the left and right sides of the upper part of the air outlet box (61); and the upper end of the conveying pipe (63) supports the heating conveying box structure (64).

2. The highly transparent PE film stretching device according to claim 1, characterized in that: The heating and conveying box structure (64) comprises a heating box (641), wherein a partition (644) is supported by bolts at the lower part of the inner wall of the heating box (641); a conveying fan (642) is embedded inside the partition (644); an electric heating pipe (643) is bolted to the front end of the conveying fan (642); and a dustproof net (645) is embedded at the lower rear side of the interior of the heating box (641).

3. The highly transparent PE film stretching device according to claim 1, characterized in that: The air outlet box (61) is bolted to the lower side of the rear end of the heating and stretching box (1), and the air outlet box (61) is connected to the air outlet hole at the rear end of the heating and stretching box (1) through the corresponding hole (62).

4. The highly transparent PE film stretching device according to claim 1, characterized in that: The upper end of the delivery pipe (63) is embedded in the lower side of the heating box (641).

5. The highly transparent PE film stretching device according to claim 2, characterized in that: The front end of the heating box (641) is provided with an air injection hole, which corresponds to the air inlet hole on the upper side of the rear end of the heating and stretching box (1).

6. The highly transparent PE film stretching device according to claim 2, characterized in that: The lower end of the interior of the heating box (641) is embedded and connected with the upper end of the conveying pipe (63), and the dustproof net (645) is an activated carbon net.