Cooling device for pultrusion polyurethane composite material frame production

By designing a cooling device for the production of solar photovoltaic panel frames, the problems of poor straightness and low yield caused by the reliance on natural cooling in the cooling method in the prior art are solved, and rapid cooling and efficient production of polyurethane frames are achieved.

CN222521961UActive Publication Date: 2025-02-25杨东建 +1
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Patent Information

Application Number
CN202421145146.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-02-25
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

In the prior art, in the production process of polyurethane composite material frames of solar photovoltaic panels, the cooling method mainly relies on natural cooling, resulting in the inability to guarantee the straightness and the yield rate is low.

Method used

Design a cooling device for the production of pultruded polyurethane composite material frames, including a box and multiple cooling blocks. The cooling block is equipped with a cooling through hole in the center, a cavity and a cooling hole in the inside, and a water inlet air inlet through hole on the side , divided into cooling water cooling block and cooling air cooling block. The polyurethane frame is first passed through the cooling water cooling block, and then passed through the cooling air cooling block.

Benefits of technology

Through the use of cooling devices, the polyurethane frame can be cooled quickly, improve cooling efficiency, ensure its straightness and improve yield.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cooling device for producing a pultrusion polyurethane composite material frame, which comprises a box body, a plurality of cooling blocks are arranged in the box body, a cooling through hole is arranged in the center of each cooling block, a cavity is arranged in each cooling block, a plurality of cooling holes are arranged on the inner wall of each through hole, the cooling holes are communicated with the cavities, and the cooling blocks are arranged in the box body. A plurality of water and air inlet through holes are formed in the side face of the cooling block, the water and air inlet through holes are communicated with the cavity, the cooling block is divided into a cooling water cooling block and a cooling air cooling block according to media introduced into the water and air inlet through holes, the cooling water cooling block is located at the front end of the cooling air cooling block, and the polyurethane composite material frame firstly passes through the cooling water cooling block and then passes through the cooling air cooling block. The polyurethane frame is rapidly cooled, the cooling efficiency is improved, the straightness of the polyurethane frame is guaranteed, and the yield is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic panel polyurethane frame production, and more specifically relates to a cooling device for producing a pultruded polyurethane composite material frame. Background Art

[0002] At present, the production method of polyurethane composite material frames used for solar photovoltaic panels on the market is to adopt the pultrusion production process, which pulls the reinforced fiber material and passes it through the polyurethane injection mold. After the frame comes out of the mold, it is usually cooled and shaped by natural cooling. However, since most frame products are irregular profiles, their straightness cannot be guaranteed and controlled, resulting in a low yield rate. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a cooling device and a cooling block for producing a pultruded polyurethane composite material frame, which has a high yield rate after cooling.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling device for producing pultruded polyurethane composite material frames, comprising a box body, a plurality of cooling blocks are arranged in the box body, a cooling through hole is arranged in the center of the cooling block, a cavity is arranged inside the cooling block, a plurality of cooling holes are arranged on the inner wall of the through hole, the cooling holes are connected to the cavity, a plurality of water and air inlet through holes are arranged on the side of the cooling block, the water and air inlet through holes are connected to the cavity, and according to the medium passed through the water and air inlet through holes, the cooling device is divided into a cooling water cooling block and a cooling air cooling block, and the cooling water cooling block is located at the front end of the cooling air cooling block, and the polyurethane composite material frame first passes through the cooling water cooling block.

[0005] Furthermore, a mounting plate is provided at the bottom of the box body, a support frame is provided on the mounting plate, the support frame is connected to the bottom of the cooling block, a plurality of waist-shaped holes arranged in parallel are provided on the mounting plate, and the support frame and the waist-shaped holes are connected by bolts and nuts.

[0006] Furthermore, the cooling block includes an outer ring, an inner ring and end covers located on both sides of the outer ring and the inner ring. The outer ring is sleeved outside the inner ring, and the end covers are connected to the outer ring and the inner ring. After the two end covers are connected, a cavity is formed between the inner ring and the outer ring. The cooling hole is located on the inner ring, and the water and air inlet holes are located on the outer ring.

[0007] Furthermore, a sealing plate corresponding to the water inlet and air inlet through holes is provided on the outer ring, and the sealing plate is detachably connected to the outer ring.

[0008] Furthermore, a drainage pipe is arranged at the bottom of the box.

[0009] Compared with the prior art, the utility model has the following beneficial effects: according to cooling requirements, an appropriate number of cooling blocks are arranged in the box body, and several cooling blocks are arranged along the conveying direction of the polyurethane frame, the cooling water cooling block is located at the front end, and the cooling air cooling block is located at the rear end, that is, the polyurethane frame is first cooled by cooling water and then by cooling air, and then the polyurethane frame just pulled out of the mold is introduced into the box body from the box body feed port, the water inlet pipe supplies water to the cooling water cooling block, and the air inlet pipe supplies air to the cooling air cooling block, and when the polyurethane frame passes through the cooling through hole, the cooling hole sprays cooling medium to it, thereby allowing the polyurethane frame to be cooled quickly, improving the cooling efficiency, ensuring its straightness and improving the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the front structure of a cooling device for producing a pultruded polyurethane composite material frame according to the utility model;

[0011] Figure 2 This is a schematic diagram of the structure of the cooling block in the cooling device for producing the pultruded polyurethane composite material frame of the utility model (without sealing plate);

[0012] Figure 3 This is a schematic diagram of the structure of the cooling block in the cooling device for producing the pultruded polyurethane composite material frame of the utility model (with a sealing plate);

[0013] Figure 4 It is a side cross-sectional view of a cooling block in a cooling device for producing a pultruded polyurethane composite material frame according to the utility model;

[0014] Figure 5 This is a schematic diagram of the installation plate in the cooling device for producing the pultruded polyurethane composite frame of the utility model.

[0015] Figure numerals: box body 1; cooling block 2; cooling through hole 3; cavity 4; cooling hole 5; water and air inlet through hole 6; mounting plate 7; support frame 8; waist-shaped hole 9; outer ring 10; inner ring 11; end cover 12; sealing plate 13. DETAILED DESCRIPTION

[0016] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0017] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0018] Reference Figures 1 to 5 The utility model is further described.

[0019] A cooling device for producing a pultruded polyurethane composite material frame comprises a box body 1, wherein a plurality of cooling blocks 2 are arranged in the box body 1, a cooling through hole 3 is arranged in the center of the cooling block 2, a cavity 4 is arranged inside the cooling block 2, a plurality of cooling holes 5 are arranged on the inner wall of the through hole, the cooling holes 5 are connected to the cavity 4, a plurality of water inlet and air inlet through holes 6 are arranged on the side of the cooling block 2, the water inlet and air inlet through holes 6 are connected to the cavity 4, and according to the medium passed through the water inlet and air inlet through holes 6, the cooling block 2 is divided into a cooling water cooling block 2 and a cooling air cooling block 2, and the cooling water cooling block 2 is located at the front end of the cooling air cooling block 2, and the polyurethane composite material frame first passes through the cooling water cooling block 2.

[0020] In this example, preferably, the side wall of the box body 1 is provided with a feed hole and a discharge hole (not shown in the drawings) corresponding to the cooling through hole 3.

[0021] like Figures 1 to 5 As shown, according to the cooling requirements, an appropriate number of cooling blocks 2 are arranged in the box body 1, and several cooling blocks 2 are arranged along the conveying direction of the polyurethane frame, the cooling water cooling block 2 is located at the front end, and the cooling air cooling block 2 is located at the rear end, that is, the polyurethane frame is first cooled by cooling water and then cooled by cooling air, and then the polyurethane frame just pulled out of the mold enters the box body 1 from the feeding port of the box body 1, the water inlet pipe supplies water to the cooling water cooling block 2, and the air inlet pipe supplies air to the cooling air cooling block 2. When the polyurethane frame passes through the cooling through hole 3, the cooling hole 5 sprays cooling medium to it, so that the polyurethane frame is cooled quickly, the cooling efficiency is improved, its straightness is ensured, and the yield rate is improved.

[0022] Preferably in this example, two rows of cooling blocks 2 arranged side by side can be arranged in the box body 1, so that two polyurethane frames can be cooled simultaneously.

[0023] In this embodiment, preferably, valves are provided on the water inlet pipe and the air inlet pipe connected to the cooling frame to control the size and opening and closing of the medium sprayed from the cooling hole 5.

[0024] like Figure 1 and Figure 5As shown, in this example, preferably, a mounting plate 7 is provided at the bottom of the box body 1, a support frame 8 is provided on the mounting plate 7, the support frame 8 is connected to the bottom of the cooling block 2, a plurality of waist-shaped holes 9 arranged in parallel are provided on the mounting plate 7, the support frame 8 and the waist-shaped holes 9 are connected by bolts and nuts, when the bolts and nuts are loosened, the support can drive the cooling block 2 to move back and forth and rotate on the mounting plate 7, and the support frame 8 can also be connected to different positions on the mounting plate 7 through the waist-shaped holes 9 to meet the needs of the polyurethane frames extruded at different positions.

[0025] like Figure 4 As shown, in this example, preferably, the cooling block 2 includes an outer ring 10, an inner ring 11 and end covers 12 located on both sides of the outer ring 10 and the inner ring 11, the outer ring 10 is sleeved outside the inner ring 11, and the end covers 12 are connected to the outer ring 10 and the inner ring 11. After the two end covers 12 are connected, a cavity 4 is formed between the inner ring 11 and the outer ring 10, the cooling holes 5 are located on the inner ring 11, and the water and air inlet holes 6 are located on the outer ring 10.

[0026] like Figure 3 As shown, in this example, preferably, a sealing plate 13 corresponding to the water inlet and air inlet through hole 6 is provided on the outer ring 10, and the sealing plate 13 is detachably connected to the outer ring 10. When the water inlet and air inlet holes need to be connected to a water inlet pipe or an air inlet pipe, the sealing plate 13 is removed, and the unconnected water inlet and air inlet holes are sealed with the sealing plate 13 to avoid water leakage or air leakage.

[0027] In this example, preferably, a drain pipe (not shown in the drawings) is provided at the bottom of the box body 1 to drain the water in the box body 1 .

[0028] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A cooling device for producing a pultruded polyurethane composite frame, characterized in that: It comprises a box body, wherein a plurality of cooling blocks are arranged in the box body, a cooling through hole is arranged in the center of the cooling block, a cavity is arranged inside the cooling block, a plurality of cooling holes are arranged on the inner wall of the through hole, the cooling holes are connected with the cavity, a plurality of water and air inlet through holes are arranged on the side of the cooling block, the water and air inlet through holes are connected with the cavity, and according to the medium passed through the water and air inlet through holes, it is divided into a cooling water cooling block and a cooling air cooling block, and the cooling water cooling block is located at the front end of the cooling air cooling block, and the polyurethane composite material frame first passes through the cooling water cooling block.

2. The cooling device for producing pultruded polyurethane composite material frame according to claim 1, characterized in that: A mounting plate is provided at the bottom of the box body, a support frame is provided on the mounting plate, the support frame is connected to the bottom of the cooling block, a plurality of waist-shaped holes arranged in parallel are provided on the mounting plate, and the support frame and the waist-shaped holes are connected by bolts and nuts.

3. The cooling device for producing pultruded polyurethane composite material frame according to claim 2, characterized in that: The cooling block includes an outer ring, an inner ring and end covers on both sides of the outer ring and the inner ring. The outer ring is sleeved outside the inner ring, and the end covers are connected to the outer ring and the inner ring. After the two end covers are connected, a cavity is formed between the inner ring and the outer ring. The cooling hole is located on the inner ring, and the water and air inlet holes are located on the outer ring.

4. The cooling device for producing a pultruded polyurethane composite frame according to claim 3, characterized in that: The outer ring is provided with a sealing plate corresponding to the water inlet and air inlet through holes, and the sealing plate is detachably connected to the outer ring.

5. The cooling device for producing a pultruded polyurethane composite frame according to claim 4, characterized in that: A drainage pipe is arranged at the bottom of the box body.