Anti-scratch device for bent surface of polycarbonate (pc) composite board

By preheating and limiting the PC composite sheet, the problems of cracking and scratching of the sheet when bending at a large angle are solved, and a high-quality bending effect is achieved.

CN223354923UActive Publication Date: 2025-09-19FUJIAN YISU PHOTOELECTRIC TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422779567.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-14
Publication Date
2025-09-19
Estimated Expiration
2034-11-14

AI Technical Summary

Technical Problem

During the bending process of PC composite sheets, a large bending angle can easily cause the sheet to break, and scratches may occur during bending, affecting the processing quality.

Method used

A device to prevent scratches on the bent surface of polycarbonate composite sheets was designed. The bending area of ​​the sheet was preheated by a fan and a heating wire to increase the tensile strength. Limiting plates and support plates were used to prevent scratches caused by displacement, thereby improving the bending accuracy and stability.

Benefits of technology

It effectively prevents the sheet from cracking during bending, improves the bending quality and accuracy, reduces the bending difficulty, prevents scratches and improves the forming efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223354923U_ABST
    Figure CN223354923U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of pc (polycarbonate) composite boards, and particularly relates to an anti-scratch device for a bent surface of a pc composite board, which comprises a base and a fan, a mounting frame is arranged at the top of the base, an air cylinder is arranged at the top of the mounting frame, a push rod is arranged at the bottom of the mounting frame, and the air cylinder is connected with the push rod. The top end of the push rod is connected with the output end of the air cylinder, a bending part is arranged at the bottom end of the push rod, and a bending mold corresponding to the bending part is arranged at the top of the base. According to the pc composite board, the tensile strength of the pc composite board is improved, the pc composite board is not prone to cracking during bending, meanwhile, the two ends of the pc composite board are limited, the scratching and scratching phenomena caused by displacement during bending are prevented, and the bending quality of the pc composite board is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of PC composite plates, in particular to a device for preventing the bent surface of a polycarbonate (PC) composite plate from being scratched. Background Art

[0002] PC board, also known as polycarbonate board, polyester board, and Capron board, is resistant to weak acids. It is made of polycarbonate as the main component and adopts co-extrusion technology CO-EXTRUSION. It has the characteristics of high transparency, light weight, impact resistance, sound insulation, heat insulation, flame retardancy, and aging resistance. It is a high-tech, comprehensive performance, energy-saving and environmentally friendly plastic board.

[0003] In the existing technology, during the bending process of PC composite sheets, a bending machine is generally used for the operation. However, if the bending angle is too large during bending, the PC composite sheet may be cracked, thereby affecting the processing quality. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0005] In view of the above problems and / or the problems existing in the existing PC composite panels, the present utility model is proposed.

[0006] Therefore, the purpose of the present invention is to provide a device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet, which can facilitate preheating of the bent portion of the polycarbonate (PC) composite sheet during the bending process, increase the tensile strength of the PC composite sheet, and make the PC composite sheet less likely to crack when bent. At the same time, the two ends of the PC composite sheet are limited to prevent scratches caused by displacement during bending, thereby improving the bending quality of the PC composite sheet.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A device for preventing scratches on the bent surface of a polycarbonate (PC) composite plate comprises a base and a fan, wherein a mounting bracket is provided on the top of the base, a cylinder is provided on the top of the mounting bracket, a push rod is provided on the bottom of the mounting bracket, the top of the push rod is connected to the output end of the cylinder, a bending part is provided on the bottom end of the push rod, a bending mold corresponding to the bending part is provided on the top of the base, support plates are symmetrically provided on the left and right sides of the bending mold, the fan is provided on the rear side wall of the mounting bracket, three ventilation pipes are provided on the top of the fan, and bellows are symmetrically provided on the left and right sides of the mounting bracket, two ends of the three ventilation pipes are respectively connected to the inside of the bellows, a heating wire is provided on the top of the inner cavity of the bellows, and an exhaust hole is provided on the bottom of the bellows.

[0009] As a preferred solution of the anti-scratch device for the bent surface of a polycarbonate (PC) composite sheet described in the utility model, an electric telescopic rod is provided on the top of the base, a limit plate is provided at one end of the electric telescopic rod, the two limit plates are respectively provided above the support plate, and an anti-slip pad is provided at the bottom of the limit plate.

[0010] As a preferred solution of the anti-scratch device for the bent surface of a polycarbonate (PC) composite plate described in the utility model, a support frame is provided at the bottom of the base, and a foot pad is provided at the bottom of the support frame.

[0011] As a preferred solution of the device for preventing the bending surface of a polycarbonate (PC) composite plate described in the utility model, the exhaust hole is arranged above the bending mold.

[0012] As a preferred solution of the anti-scratch device for the bent surface of a polycarbonate (PC) composite plate described in the utility model, there are a plurality of exhaust holes, and the exhaust holes are evenly distributed and arranged.

[0013] As a preferred solution of the anti-scratch device for the bent surface of a polycarbonate (PC) composite plate described in the utility model, the front side wall of the base is provided with a control panel, and the control panel is electrically connected to the cylinder and the fan.

[0014] As a preferred solution of the anti-scratch device for the bent surface of a polycarbonate (PC) composite plate described in the utility model, a temperature controller is provided on the side wall of the mounting frame, and the temperature controller is electrically connected to the heating wire.

[0015] Compared with the prior art: In the present application, 1. the support plate is used to facilitate the placement of the PC composite sheet, the part to be bent is placed on the bending mold, the fan is used to facilitate the generation of airflow, the airflow enters the bellows through the three ventilation ducts respectively, the heating wire is used to facilitate the heating of the bellows, so that the temperature of the gas is increased when the airflow enters the bellows, and the hot air is sprayed on the bending part of the PC composite sheet through the exhaust hole, so that the bending area of ​​the PC composite sheet can be preheated before bending to soften the material, which can reduce the difficulty of bending and make the PC composite sheet less likely to crack when bending. The mounting frame is used to facilitate the installation of the cylinder, and the cylinder is used to facilitate the operation of the push rod to push the bending part downward. The bending operation of the PC composite sheet is completed by cooperating with the bending parts and the bending die. After the bending is completed, the heating wire is turned off as needed, and the bending part is cooled by cool air to improve the forming efficiency of the PC composite sheet. 2. The height of the limit plate is easily adjusted by the electric telescopic rod, which is convenient for operating the limit plate to squeeze the PC composite sheet onto the support plate. The two limit plates are convenient for positioning the left and right sides of the PC composite sheet to prevent scratches caused by displacement during bending, thereby improving the bending accuracy of the PC composite sheet. The anti-slip pad is convenient for increasing the friction between the limit plate and the PC composite sheet, thereby improving the stability during pressing.

[0016] Therefore, during the bending process of the polycarbonate (PC) composite sheet, it is convenient to preheat the bent part of the PC composite sheet to increase the tensile strength of the PC composite sheet, so that the PC composite sheet is not easy to crack when bent. At the same time, the two ends of the PC composite sheet are limited to prevent scratches caused by displacement during bending, thereby improving the bending quality of the PC composite sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive labor. Among them:

[0018] Figure 1 This is a schematic structural diagram of a device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet according to the present invention;

[0019] Figure 2 This is an exploded view of the structure of a device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet according to the present invention;

[0020] Figure 3 This is a structural cross-sectional view of a device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet according to the present invention;

[0021] Figure 4 This is a schematic diagram of a limit plate of a device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet material according to the present invention.

[0022] In the picture: 100 base, 110 mounting frame, 120 cylinder, 130 push rod, 140 bending part, 150 bending mold, 160 support plate, 200 fan, 210 three-ventilation duct, 220 bellows, 230 heating wire, 240 exhaust hole, 300 electric telescopic rod, 310 limit plate, 320 anti-slip mat. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Next, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, cross-sectional views of device structures may be partially enlarged and not to scale when describing the embodiments of the present invention. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0027] The utility model provides a device for preventing the bending surface of a polycarbonate (PC) composite plate from being scratched. Figures 1-4, including a base 100 and a fan 200, a mounting frame 110 is fixedly installed on the top of the base 100, a cylinder 120 is fixedly installed on the top of the mounting frame 110, a push rod 130 is embedded in the bottom of the mounting frame 110, the top of the push rod 130 is connected to the output end of the cylinder 120, the bottom end of the push rod 130 is connected to the bending part 140, and a bending mold 150 corresponding to the bending part 140 is fixedly installed on the top of the base 100. The left and right sides of the bending mold 150 Support plates 160 are symmetrically installed on both sides, and the fan 200 is fixedly installed on the rear side wall of the mounting frame 110. Three ventilation pipes 210 are connected to the top of the fan 200. Bellows 220 are symmetrically installed on the left and right sides of the mounting frame 110. The two ends of the three ventilation pipes 210 are respectively connected to the inside of the bellows 220. A heating wire 230 is fixedly installed on the top of the inner cavity of the bellows 220. An exhaust hole 240 is opened at the bottom of the bellows 220. Specifically, the support plate 160 is convenient for placing the fan. The hot air is sprayed on the bending part of the PC composite sheet through the exhaust hole 240, so that the bending area of ​​the PC composite sheet can be preheated before bending, softening the material, reducing the difficulty of bending, and making the PC composite sheet less likely to crack when bending. The cylinder 120 can be easily installed through the mounting frame 110, and the push rod 130 can be easily operated through the cylinder 120 to push the bending part 140 downward. The bending part 140 and the bending die 150 cooperate to complete the bending operation of the PC composite sheet. After the bending is completed, the heating wire 230 can be turned off as needed, and the bending part can be dissipated by cool air, thereby improving the forming efficiency of the PC composite sheet.

[0028] A support frame is provided at the bottom of the base 100, and a foot pad is provided at the bottom of the support frame. Specifically, the support frame facilitates the support and positioning of the bottom of the base 100, and the foot pad facilitates the increase of the support stability of the support frame.

[0029] The exhaust hole 240 is provided above the bending die 150, specifically, so that the air can blow on the PC composite board, thereby facilitating preheating of the bending part.

[0030] A plurality of exhaust holes 240 are provided, and the exhaust holes 240 are evenly distributed and arranged, which facilitates uniform heating and improves hot pressing quality.

[0031] A control panel is provided on the front side wall of the base 100, and the control panel is electrically connected to the cylinder 120 and the fan 200. Specifically, the control panel is used to facilitate operation of the cylinder 120 and the fan 200, and facilitates bending control.

[0032] A temperature controller is provided on the side wall of the mounting frame 110, and the temperature controller is electrically connected to the heating wire 230. Specifically, the temperature controller adopts an existing device, and the temperature controller and the heating wire 230 adopt an existing connection method, so it is not repeated in the document. The heating wire 230 is controlled by the temperature controller, which facilitates the adjustment of the temperature of the heating wire 230 and is convenient to use.

[0033] Combine Figures 1-4 The present embodiment is a device for preventing the bending surface of a polycarbonate PC composite sheet from being scratched. The specific use process is as follows: during the bending process of the polycarbonate PC composite sheet, the PC composite sheet is placed on the support plate 160, and the part to be bent is placed on the bending mold 150. The fan 200 is used to generate airflow, and the airflow enters the bellows 220 through the three ventilation pipes 210 respectively. The heating wire 230 is used to heat the bellows 220, so that the temperature of the gas is increased when the airflow enters the bellows 220, thereby generating hot air, which is discharged through the exhaust holes 24. 0 Spraying hot air on the bending part of the PC composite sheet is convenient for preheating the bending area of ​​the PC composite sheet before bending, softening the material, reducing the difficulty of bending, and making the PC composite sheet less likely to crack when bending. Use the cylinder 120 to operate the push rod 130 to push the bending part 140 downward. Through the cooperation of the bending part 140 and the bending die 150, the bending operation of the PC composite sheet is completed. After the bending is completed, the heating wire 230 is turned off as needed, and the bending part is cooled by cool air to improve the forming efficiency of the PC composite sheet.

[0034] Figure 4 The following is a schematic diagram of the structure of the second embodiment of the invention, a device for preventing scratches on the bending surface of a polycarbonate pc composite plate. Figure 4 The difference from the above embodiment is that an electric telescopic rod 300 is provided on the top of the base 100, and a limit plate 310 is provided at one end of the electric telescopic rod 300. The two limit plates 310 are respectively arranged above the support plate 160, and the bottom of the limit plate 310 is provided with an anti-slip pad 320. Specifically, the electric telescopic rod 300 is used to facilitate the adjustment of the height of the limit plate 310, and the operation of the limit plate 310 is convenient for squeezing the PC composite sheet onto the support plate 160. The two limit plates 310 are used to facilitate the positioning of the left and right sides of the PC composite sheet, thereby preventing scratches caused by displacement during bending, and improving the bending accuracy of the PC composite sheet. The anti-slip pad 320 is used to facilitate the increase of the friction between the limit plate 310 and the PC composite sheet, thereby improving the stability during compression.

[0035] While the present invention has been described above with reference to specific embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the embodiments disclosed herein may be combined with one another in any manner, and the omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet, characterized by: The invention comprises a base (100) and a fan (200), wherein a mounting frame (110) is provided on the top of the base (100), a cylinder (120) is provided on the top of the mounting frame (110), a push rod (130) is provided on the bottom of the mounting frame (110), the top end of the push rod (130) is connected to the output end of the cylinder (120), a bending piece (140) is provided on the bottom end of the push rod (130), a bending die (150) corresponding to the bending piece (140) is provided on the top of the base (100), and the bending Support plates (160) are symmetrically arranged on the left and right sides of the mold (150), the fan (200) is arranged on the rear side wall of the mounting frame (110), three ventilation pipes (210) are arranged on the top of the fan (200), and bellows (220) are symmetrically arranged on the left and right sides of the mounting frame (110), two ends of the three ventilation pipes (210) are respectively connected to the inside of the bellows (220), a heating wire (230) is arranged on the top of the inner cavity of the bellows (220), and an exhaust hole (240) is arranged at the bottom of the bellows (220).

2. A device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet according to claim 1, characterized in that: An electric telescopic rod (300) is provided on the top of the base (100), a limiting plate (310) is provided at one end of the electric telescopic rod (300), two limiting plates (310) are respectively provided above the support plate (160), and an anti-slip pad (320) is provided at the bottom of the limiting plate (310).

3. The device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet according to claim 1, characterized in that: A support frame is provided at the bottom of the base (100), and a foot pad is provided at the bottom of the support frame.

4. The device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet according to claim 1, characterized in that: The exhaust hole (240) is arranged above the bending mold (150).

5. The device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet according to claim 1, characterized in that: A plurality of the exhaust holes (240) are provided, and the plurality of the exhaust holes (240) are evenly distributed and arranged.

6. The device for preventing scratches on the bent surface of a polycarbonate (PC) composite sheet according to claim 1, characterized in that: A control panel is provided on the front side wall of the base (100), and the control panel is electrically connected to the cylinder (120) and the fan (200).

7. The device for preventing the bending surface of a polycarbonate (PC) composite sheet from being scratched according to claim 1, characterized in that: A temperature controller is provided on the side wall of the mounting frame (110), and the temperature controller is electrically connected to the heating wire (230).