Malleable arc acrylic plate

Abstract

The utility model relates to the technical field of acrylic processing, in particular to a ductile arc-shaped acrylic plate. Comprising a wooden frame and an acrylic plate adhered to the wooden frame, the wooden frame is bent into an arc shape, and a plurality of notch grooves perpendicular to the central axis of the acrylic plate are formed in the acrylic plate; the wood frame is adopted, so that the wood frame has higher mechanical strength and has the advantages of wear resistance, corrosion resistance, acid rain resistance and the like; the acrylic plate with the notch groove is adopted, the acrylic plate can be cut into any shape in a reasonable range and bent into any radian in the reasonable range according to needs, the tedious machining processes such as using a mold are avoided, and the machining efficiency and the adaptability are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of acrylic processing, in particular to a ductile curved acrylic plate. Background Art

[0002] Curved acrylic sheets have a wide range of uses, such as lamp housings, furniture housings, building guardrails, and sports equipment housings. A Chinese patent for a curved sheet guardrail, patent number 202221696714.7, discloses a curved sheet guardrail comprising multiple sets of elastic mounting brackets connected end to end, each with a U-shaped groove; and a stabilizing support mechanism comprising a U-shaped bracket and a rubber pad. As is easy to understand, since curved acrylic sheets have similar properties to most plastic sheets, while they are inherently strong and chemically stable, they lack inherent rigidity and typically require a rigid structure such as a metal bracket as an internal skeleton to help maintain the curved surface without compromising strength.

[0003] However, the existing technology has two shortcomings: first, the metal frame is prone to rust and is not resistant to acid rain; second, it is necessary to set up a mold according to the curvature and size of the metal frame, and then go through steps such as thermoplasticization, cooling and curing, and demolding to obtain a curved acrylic sheet that can match the metal frame. The curved acrylic sheet has extremely poor adaptability. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the utility model provides a curved acrylic plate which has the advantages of being rust-proof, having a low expansion rate and having strong adaptability.

[0005] The technical solution of the utility model is:

[0006] A ductile curved acrylic sheet comprises a wooden frame and an acrylic sheet bonded to the wooden frame. The wooden frame is bent into an arc, and the acrylic sheet is provided with a plurality of grooves perpendicular to the central axis of the acrylic sheet. The grooves reduce the bending stress of the acrylic sheet.

[0007] In a preferred embodiment of the present disclosure, the wooden frame is made of basswood, which has the advantages of being wear-resistant, corrosion-resistant, and not prone to cracking.

[0008] In a preferred embodiment of the present disclosure, the acrylic sheet material is an acrylic plastic sheet with a hardness of HB70-90. Since the grooves of the present invention are cut by a laser head, the above material parameters can ensure better cutting and bending effects.

[0009] In a preferred embodiment of the present disclosure, the wooden frame includes two side panels and two end panels, the two side panels are symmetrically arranged with a gap reserved therebetween, and the front and rear ends of the two side panels are connected by end panels respectively.

[0010] In a preferred embodiment of the present disclosure, the grooves include at least one of full-cut grooves, shallow-cut grooves and deep-cut grooves.

[0011] In a preferred embodiment of the present disclosure, at least one end of the groove does not extend to both sides of the acrylic sheet. It is easy to understand that if a full-cut groove extends to both sides of the acrylic sheet, the acrylic sheet will be completely cut and broken at that location. Therefore, if a full-cut groove is used here, the groove length should be controlled to ensure the continuity of the acrylic sheet. On the other hand, if shallow-cut or deep-cut grooves extend to both sides of the acrylic sheet, the connection strength at the groove will inevitably be greatly reduced.

[0012] In a preferred embodiment of the present disclosure, the depth of the shallow cut groove is 23 / 25 of the acrylic sheet, and the depth of the deep cut groove is 19 / 20 of the acrylic sheet. The grooves of appropriate depth can ensure the connection strength and bending effect.

[0013] In a preferred embodiment of the present disclosure, a buckle is provided on one end plate of the wooden frame, and the acrylic plate is provided with a through hole corresponding to the buckle for the buckle to extend out. The buckle is intended to facilitate quick connection between the present invention and the target mechanism.

[0014] Beneficial effects of the utility model

[0015] According to the present disclosure, the use of a wooden frame enables the utility model to have higher mechanical strength, and has the advantages of wear resistance, corrosion resistance, acid rain resistance, etc.; the use of an acrylic sheet with grooves can be cut into any shape within a reasonable range and bent into any arc within a reasonable range as needed, avoiding the use of cumbersome processing processes such as molds, and greatly improving processing efficiency and adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the front structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the wooden frame structure;

[0019] Figure 4 Schematic diagram of acrylic sheet structure.

[0020] In the figure, 1. Wooden frame; 2. Acrylic plate; 3. Buckle; 4. Side panel; 5. End panel; 6. Full cut groove; 7. Shallow cut groove; 8. Deep cut groove. DETAILED DESCRIPTION

[0021] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings:

[0022] like Figure 3 As shown, two basswood side panels 4 are bent and shaped into a desired curvature, and the ends of the two side panels 4 are connected using end panels 5 , wherein one end panel 5 is provided with two mounting holes for mounting the buckles 3 .

[0023] like Figure 4 As shown, the acrylic sheet 2 is cut into a certain shape as needed, and then the acrylic sheet 2 is divided into a first section, a middle section and a tail section. The acrylic sheet material is an acrylic plastic sheet with a hardness of HB70-90. A laser head is used to engrave deep cut grooves on the first section, a laser head is used to engrave full cut grooves on the middle section, and a laser head is used to engrave shallow cut grooves on the tail section (the length ratio of the three sections is set as needed, and this embodiment is roughly divided into 3 equal parts). The main function of using full cut grooves 6 in the middle section is to minimize the bending stress of the sheet, making it easy to bend, while the first and tail sections determine the depth of the grooves based on the bending degree. Deep cut grooves 8 are used for large bending degrees, and shallow cut grooves 7 are used for conversely. The depth of the shallow cut grooves is 23 / 25 of the acrylic sheet, and the depth of the deep cut grooves is 19 / 20 of the acrylic sheet. In addition, a through hole is opened in conjunction with the buckle 3. The temperature during laser cutting needs to be controlled between 178.5 degrees and 190.7 degrees. This temperature range is based on the physical properties of acrylic and the requirements of laser cutting technology. To prevent deformation or damage to the sheet due to overheating, a certain degree of cooling is required. The temperature of the cooling liquid needs to be controlled between -10°C and -15°C. This temperature range can effectively reduce the temperature of the sheet and minimize adverse effects on the sheet.

[0024] like Figure 1 and 2 As shown, the acrylic sheet 2 is glued to the wooden frame.

[0025] Although the ductile curved acrylic plate according to the embodiment of the present disclosure has been described above, aspects of the present disclosure are not limited to the above embodiment, and the present disclosure can be implemented in various ways within the scope of the gist of the present disclosure.

Claims

1. A ductile curved acrylic sheet, characterized in that: The invention comprises a wooden frame and an acrylic plate bonded to the wooden frame. The wooden frame is bent into an arc shape. The acrylic plate is provided with a plurality of grooves perpendicular to the central axis of the acrylic plate. The grooves reduce the bending stress of the acrylic plate.

2. The ductile curved acrylic sheet according to claim 1, characterized in that: The wooden frame is made of basswood.

3. The ductile curved acrylic sheet according to claim 1, characterized in that: The acrylic sheet material is an acrylic plastic sheet with a hardness of HB70-90.

4. The ductile curved acrylic sheet according to claim 1, wherein: The wooden frame includes two side panels and two end panels. The two side panels are symmetrically arranged with a gap reserved therebetween. The front and rear ends of the two side panels are connected by the end panels respectively.

5. The ductile curved acrylic sheet according to claim 1, characterized in that: The grooves include at least one of full-cut grooves, shallow-cut grooves and deep-cut grooves.

6. The ductile curved acrylic sheet according to claim 1, characterized in that: At least one end of the groove does not extend to both sides of the acrylic plate.

7. The ductile curved acrylic sheet according to claim 5, characterized in that: The shallow cutting groove depth is 23 / 25 of the acrylic sheet, and the deep cutting groove depth is 19 / 20 of the acrylic sheet.

8. The ductile curved acrylic sheet according to claim 1, characterized in that: A buckle is provided on one end plate of the wooden frame, and a through hole for the buckle to extend out is provided on the acrylic plate corresponding to the buckle.

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