Acrylic heat-bending forming mold
By introducing a limiting frame and a pressing structure into the acrylic hot bending forming mold, the problem of difficult limiting and forming of existing molds is solved, realizing convenient limiting and efficient hot bending forming of acrylic sheets, and improving the practicality of the mold.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI NONG YI ADVERTISING CO LTD
- Filing Date
- 2025-04-28
- Publication Date
- 2026-06-19
AI Technical Summary
Existing hot bending forming molds are not convenient for hot bending and positioning acrylic sheets with different requirements, and thus have limitations in use.
An acrylic hot bending forming mold including a base, a limiting frame, and a pressing structure was designed. The limiting frame is equipped with a limiting structure and a clamping seat. The acrylic sheet is limited by fastening bolts and clamping threaded rods. The pressing structure uses an electric push rod to drive the mold body to extrude and form the sheet.
It enables convenient positioning and efficient hot bending of acrylic sheets, improves the applicability and production efficiency of molds, and reduces the risk of positional deviation and detachment.
Smart Images

Figure CN224374852U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hot bending forming mold technology, and in particular to an acrylic hot bending forming mold. Background Technology
[0002] Acrylic sheets, as a common plastic material, have the characteristics of high transparency, weather resistance, and easy processing. They are widely used in advertising, construction, home furnishing, and handicrafts, and are therefore widely favored by people. In order to meet the actual use requirements, they need to be hot-bent during the production and processing process.
[0003] To address this, patent CN209906626U discloses a hot bending forming mold for hot bending workpieces. The mold includes a female mold, a holding component, and a male mold. The female mold has a receiving groove to accommodate the holding component and the male mold. A portion of the bottom wall of the receiving groove is recessed to form a cavity, which holds and positions the workpiece. The holding component and the male mold close the cavity. The holding component has a pressing surface on one side facing the cavity, which presses the workpiece against the bottom wall of the cavity. One end of the bottom wall of the cavity has a first arc-shaped surface. The male mold has a second arc-shaped surface corresponding to the first arc-shaped surface. When the workpiece is heated to a set temperature, the second arc-shaped surface of the male mold can press against one end of the workpiece, causing it to bend and deform until it fits against the first arc-shaped surface, thus forming an arc-shaped portion at one end of the workpiece. This hot bending forming mold offers high forming quality, high precision, high efficiency, and a simple structure with easy installation.
[0004] The aforementioned difficulties in hot bending acrylic sheets to meet different needs, as well as the difficulty in conveniently limiting the acrylic sheets during processing, limit their use to a certain extent. Utility Model Content
[0005] The purpose of this invention is to provide an acrylic hot bending forming mold to solve the defects of existing hot bending forming molds that are not convenient for hot bending and forming different acrylic sheets and for limiting their position.
[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an acrylic hot bending forming mold, including a base and a limiting frame;
[0007] The top of the base is uniformly fixed with a limiting frame, and the top of the limiting frame has a limiting structure.
[0008] The limiting structure includes a reserved slot opened on the top of the limiting frame, clamping seats are evenly installed on the top of the limiting frame above the reserved slot, fastening bolts are evenly passed through the top of the limiting frame above the reserved slot, a through slot is opened on one side of the clamping seat, a clamping plate is provided inside the through slot, a clamping threaded rod passes through the through slot, and cotton cloth is provided inside the reserved slot.
[0009] A support frame is installed at the top of the base, and a pressing structure is installed at the bottom of the support frame.
[0010] Preferably, the limiting frame is symmetrically distributed at the top of the base, and the clamping seats are evenly distributed at the top of the limiting frame.
[0011] Preferably, the bottom end of the fastening bolt abuts against the top end of the cotton cloth, and the clamping threaded rods are evenly distributed at the top of the limiting frame.
[0012] Preferably, the clamping threaded rod extends through the interior of the clamping plate, and the clamping threaded rod is threadedly connected to the clamping plate.
[0013] Preferably, the pressing structure includes an electric push rod installed at the bottom of the support frame, a movable seat is provided at the bottom of the electric push rod, a mold body is provided at the bottom of the movable seat, and mounting bolts are evenly distributed through the top of the mold body.
[0014] Preferably, the electric push rods are symmetrically distributed at the bottom end of the support frame, and the movable seat is located directly above the base.
[0015] Preferably, the mounting bolt extends into the interior of the movable seat, and the mounting bolt is threadedly connected to the movable seat.
[0016] The advantages of the acrylic hot bending forming mold provided by this utility model are as follows:
[0017] By setting a limiting structure, cotton is placed inside the clamping seat, and the fastening bolt is rotated so that its bottom end abuts against the top end of the cotton cloth, thereby fastening it. The clamping plate and the clamping threaded rod are threadedly connected, and the clamping threaded rod is rotated so that the clamping plate clamps and limits the heated and softened acrylic plate placed at the top of the limiting frame. This achieves the purpose of facilitating the limiting of the acrylic plate and facilitating the covering of the acrylic plate with cotton cloth.
[0018] By incorporating a downward pressing structure, the electric push rod is activated to move the moving seat downwards. This causes the mold body mounted at the bottom of the moving seat to press the heated and softened acrylic sheet placed at the top of the limiting frame, bending the acrylic sheet into the shape of the bottom of the mold body. This achieves the purpose of convenient and quick hot bending of the acrylic sheet. Attached Figure Description
[0019] Figure 1 This is a front-view three-dimensional structural schematic diagram of the present invention;
[0020] Figure 2 This is a partial frontal three-dimensional structural schematic diagram of the present invention;
[0021] Figure 3 This is a partial side view of the three-dimensional structure of this utility model;
[0022] Figure 4 This is a partial three-dimensional structural schematic diagram of the present invention;
[0023] Figure 5 This is a frontal three-dimensional structural diagram of the present invention.
[0024] The following are the annotations in the attached diagram: 1. Base; 2. Limiting frame; 3. Limiting structure; 301. Reserved slot; 302. Clamping seat; 303. Fastening bolt; 304. Through slot; 305. Clamping plate; 306. Clamping threaded rod; 307. Cotton cloth; 4. Support frame; 5. Pressing structure; 501. Electric push rod; 502. Moving seat; 503. Mold body; 504. Mounting bolt. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figures 1-5 The present invention provides an acrylic hot bending forming mold, including a base 1 and a limiting frame 2.
[0027] Reference Figures 1-4 As shown, a limiting frame 2 is evenly fixed to the top of the base 1. A limiting structure 3 is formed on the top of the limiting frame 2. The limiting structure 3 includes a reserved groove 301 formed on the top of the limiting frame 2. A clamping seat 302 is evenly installed on the top of the limiting frame 2 above the reserved groove 301. Fastening bolts 303 are evenly inserted through the top of the limiting frame 2 above the reserved groove 301. A through groove 304 is formed on one side of the clamping seat 302. A clamping plate 305 is provided inside the through groove 304. The base 1 has a threaded clamping rod 306 that passes through it. The reserved groove 301 is filled with cotton cloth 307. The limiting frame 2 is symmetrically distributed at the top of the base 1. The clamping seats 302 are evenly distributed at the top of the limiting frame 2. The bottom of the fastening bolt 303 abuts against the top of the cotton cloth 307. The threaded clamping rod 306 is evenly distributed at the top of the limiting frame 2. The threaded clamping rod 306 passes through the inside of the clamping plate 305. The threaded clamping rod 306 is threadedly connected to the clamping plate 305.
[0028] During the production and processing of acrylic sheets, hot bending forming is required. In order to meet the forming requirements and prevent the acrylic sheets from shifting position, a limiting structure 3 is set up so that the cotton cloth 307 passes through the interior of the reserved groove 301. The length of the cotton cloth 307 between the limiting frame 2 is changed according to the size of the mold body 503. By rotating the fastening bolt 303, the bottom end of the cotton cloth 307 abuts against the top end, thereby limiting the position. The acrylic sheet is placed at the top of the limiting frame 2, and the clamping threaded rod 306 is rotated so that the clamping plate 305 on its outer wall moves downward to clamp the acrylic sheet. This makes it less likely to fall off during hot bending forming, thus greatly increasing the practicality of the device.
[0029] Reference Figure 1 and Figure 5 As shown, a support frame 4 is installed at the top of the base 1, and a pressing structure 5 is installed at the bottom of the support frame 4. The pressing structure 5 includes an electric push rod 501 installed at the bottom of the support frame 4. A movable seat 502 is provided at the bottom of the electric push rod 501. A mold body 503 is provided at the bottom of the movable seat 502. Mounting bolts 504 are evenly distributed through the top of the mold body 503. The electric push rods 501 are symmetrically distributed at the bottom of the support frame 4. The movable seat 502 is located directly above the base 1. The mounting bolts 504 extend into the interior of the movable seat 502 and are threadedly connected to the movable seat 502.
[0030] Traditional hot bending forming molds have limited specifications, thus they can only produce a single product, which greatly limits their use in production. By setting up a downward pressing structure 5, the mold body 503 is installed below the movable seat 502 by mounting bolts 504. The movable seat 502 is placed directly above the base 1. After the cotton cloth 307 and the heated acrylic sheet are installed and positioned, the electric push rod 501 is activated to push the movable seat 502 downward, thereby performing hot bending forming on the acrylic sheet, which greatly increases the practicality of the device.
[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. An acrylic hot bending forming mold, comprising a base (1) and a limiting frame (2); Its features are: The top of the base (1) is uniformly fixed with a limiting frame (2), and the top of the limiting frame (2) has a limiting structure (3); The limiting structure (3) includes a reserved slot (301) opened on the top of the limiting frame (2), a clamping seat (302) is evenly installed on the top of the limiting frame (2) above the reserved slot (301), a fastening bolt (303) is evenly passed through the top of the limiting frame (2) above the reserved slot (301), a through slot (304) is opened on one side of the clamping seat (302), a clamping plate (305) is provided inside the through slot (304), a clamping threaded rod (306) passes through the through slot (304), and cotton cloth (307) is provided inside the reserved slot (301). A support frame (4) is installed at the top of the base (1), and a pressing structure (5) is installed at the bottom of the support frame (4).
2. The acrylic heat-bending mold according to claim 1, wherein: The limiting frame (2) is symmetrically distributed at the top of the base (1), and the clamping seat (302) is evenly distributed at the top of the limiting frame (2).
3. The acrylic heat-bending mold according to claim 1, wherein: The bottom end of the fastening bolt (303) abuts against the top end of the cotton cloth (307), and the clamping threaded rods (306) are evenly distributed at the top end of the limiting frame (2).
4. The acrylic heat-bending mold according to claim 1, wherein: The clamping threaded rod (306) passes through the interior of the clamping plate (305), and the clamping threaded rod (306) is threadedly connected to the clamping plate (305).
5. The acrylic heat-bending mold according to claim 1, wherein: The pressing structure (5) includes an electric push rod (501) installed at the bottom of the support frame (4). The bottom end of the electric push rod (501) is provided with a movable seat (502). The bottom end of the movable seat (502) is provided with a mold body (503). The top of the mold body (503) is uniformly perforated with mounting bolts (504).
6. The acrylic hot bending forming mold according to claim 5, characterized in that: The electric push rods (501) are symmetrically distributed at the bottom of the support frame (4), and the movable seat (502) is located directly above the base (1).
7. The acrylic hot bending forming mold according to claim 5, characterized in that: The mounting bolt (504) extends into the interior of the movable seat (502), and the mounting bolt (504) is threadedly connected to the movable seat (502).