Acrylic plate bending machine with positioning mechanism
By introducing a positioning mechanism into the acrylic sheet bending machine, and using a servo motor to drive the gear and rack to mesh and the suction cup to fix it, the movement and adjustment of the heating tube can be realized, which solves the problem of limited heating range, avoids smudging or air bubbles, and improves bending efficiency.
Patent Information
- Application Number
- CN202520184451.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-02-06
AI Technical Summary
In existing acrylic sheet bending devices, the heating tube cannot be moved, resulting in a limited heating range, which easily leads to smearing or air bubbles, affecting bending efficiency.
An acrylic sheet bending machine with a positioning mechanism was designed. The servo motor drives the gear and rack to mesh, thereby realizing the movement and adjustment of the heating tube. Combined with suction cup fixation and threaded rod drive, the acrylic sheet can be bent precisely and the heating range can be adjusted.
This avoids continuous heating of the bend by the heating element, preventing smearing or bubbles from forming, and improves the flexibility of the heating range and bending efficiency.
Smart Images

Figure CN223934133U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of acrylic sheet production technology, and more specifically, to an acrylic sheet bending machine with a positioning mechanism. Background Technology
[0002] Acrylic sheets are a replacement product for plexiglass. Acrylic sheets can be perfectly combined with aluminum composite panels, high-grade screen printing, etc., to meet the needs of businesses. Acrylic is the best new material for manufacturing sanitary ware after ceramics. Acrylic sheets need to be bent during processing, but the existing equipment has certain problems in use and still needs to be continuously improved.
[0003] A search revealed that patent publication number CN222271254U discloses an acrylic panel bending table, including a frame with a bending mechanism in the middle. The bending mechanism comprises a fixed plate, a rotating shaft, a rotating arm, a rotating frame, a rack, a bending plate, a servo motor, and gears. The gears mesh with the rack. A cooling mechanism is located on one side of the frame, and a feeding mechanism is located above the frame. A fixing mechanism is located on one side of the bending mechanism. The servo motor drives the rack via the gears, which in turn drives the rotating shaft via the rotating frame. The rotating shaft then drives the bending plate via the rotating arm, replacing manual bending and achieving accurate bending of the acrylic panel. A semiconductor cooling chip cools the air at the tail of the air duct, and the motor blows the cool air from inside the air duct onto the surface of the acrylic panel, providing timely cooling and ensuring efficient bending. The inventors discovered the following problems with the existing technology during the development of this utility model:
[0004] However, in the existing device, the position of the heating tube cannot be moved. On the one hand, the immovable heating tube will continuously heat the bent part of the acrylic sheet, which can easily cause the sheet to stick or bubbles. On the other hand, the heating range of the immovable heating tube at the bent part of the acrylic sheet is limited, which may affect the subsequent bending of the acrylic sheet.
[0005] Therefore, an acrylic sheet bending machine with a positioning mechanism is proposed to address the above problems. Utility Model Content
[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides an acrylic sheet bending machine with a positioning mechanism to solve the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model provides the following technical solution: an acrylic sheet bending machine with a positioning mechanism, comprising side plates, a mounting base slidably disposed between the two side plates, a heating tube mounted on the mounting base, two racks symmetrically fixedly welded to the bottom wall of the mounting base, a rotating shaft rotatably connected between the two side plates and below the two racks, two gears symmetrically fixedly sleeved on the outer side of the rotating shaft, and the two gears respectively meshing with the two racks, a servo motor bolted to the outer wall of the outer end of the side plate, and the servo motor connected to the rotating shaft via a coupling.
[0008] Preferably, each of the two side plates has a limiting groove on its opposite surface, and each of the mounting bases has a limiting slider that is slidably connected to the limiting groove welded to both sides.
[0009] Preferably, a fixing plate is fixedly disposed between the two side plates, and two first suction cups for adsorbing and fixing the acrylic plate are symmetrically installed on the fixing plate.
[0010] Preferably, a rotating rod is rotatably arranged between the two, and two connecting rods are symmetrically fixedly connected to the outer side of the rotating rod. One end of the two connecting rods is connected to a bending plate, and two first suction cups for adsorbing and fixing the acrylic plate are symmetrically installed on the bending plate.
[0011] Preferably, two connecting seats are symmetrically fixedly connected to the inner top ends of the two side plates, and a threaded rod is rotatably connected between the two connecting seats. A movable seat is threadedly fitted on the outer side of the two threaded rods. An electric push rod is installed on the movable seat. A connecting block is connected to the output end of the electric push rod. Four mounting blocks are evenly distributed on the connecting block. A pair of second suction cups for adsorption and fixation of acrylic plates are installed on each of the four mounting blocks.
[0012] Preferably, one side of the two side panels is provided with a storage box for placing the acrylic sheet to be bent, and the other side of the two side panels is provided with a collection box for placing the bent acrylic sheet.
[0013] The technical effects and advantages of this utility model are as follows:
[0014] 1. Compared with the existing technology, the installation method uses the meshing connection of two gears and two racks to achieve the movement and adjustment of the mounting base and the heating tube installed on the mounting base. The movable heating tube can be removed from the heating point after the acrylic sheet is heated, avoiding continuous heating of the bent part of the acrylic sheet, which can easily cause smearing or bubbles. On the other hand, the movable heating tube can increase the heating range of the bent part of the acrylic sheet, avoiding insufficient heating and affecting the subsequent bending of the acrylic sheet. Attached Figure Description
[0015] Figure 1 This is a first-person perspective three-dimensional structural diagram of the present invention.
[0016] Figure 2 This is a three-dimensional structural diagram of the heating tube of this utility model.
[0017] Figure 3 This is a partial three-dimensional structural diagram of the present invention.
[0018] Figure 4 This is a two-dimensional structural diagram of the present invention from a second perspective.
[0019] The attached diagram is labeled as follows: 1. Side plate; 2. Fixing plate; 3. Rotating rod; 4. Connecting rod; 5. Bending plate; 6. First suction cup; 7. Mounting base; 8. Heating tube; 9. Rotating shaft; 10. Gear; 11. Rack; 12. Limiting slider; 13. Limiting groove; 14. Connecting base; 15. Threaded rod; 16. Moving base; 17. Electric push rod; 18. Connecting block; 19. Mounting block; 20. Second suction cup; 21. Storage box; 22. Collection box. Detailed Implementation
[0020] 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.
[0021] Example 1
[0022] As attached Figures 1 to 4 The acrylic sheet bending machine with a positioning mechanism shown includes side plates 1. Each of the two side plates 1 has a limiting groove 13 on its opposite surface. A mounting base 7 is slidably disposed between the two side plates 1. A limiting slider 12 that is slidably connected to the limiting groove 13 is welded to both sides of the mounting base 7. A heating tube 8 is installed on the mounting base 7. Two racks 11 are symmetrically fixedly welded to the bottom wall of the mounting base 7. A rotating shaft 9 is rotatably connected between the two side plates 1 and below the two racks 11. Two gears 10 are symmetrically fixedly sleeved on the outside of the rotating shaft 9, and the two gears 10 are respectively meshed with the two racks 11. A servo motor is bolted to the outer wall of the outer end of the side plate 1, and the servo motor is connected to the rotating shaft 9 through a coupling.
[0023] In use, the device can be powered by a servo motor connected to one end of the rotating shaft 9. The servo motor drives the rotating shaft 9 to rotate, which in turn drives two gears 10 to rotate. The rotating gears 10 mesh with the rack 11, allowing for the movement and adjustment of the mounting base 7 and the heating tube 8 mounted on it. The movable heating tube 8 can be removed from the heating area after the acrylic sheet has been heated, avoiding continuous heating of the bent part of the acrylic sheet, which can easily cause smearing or bubbles. On the other hand, the movable heating tube 8 can increase the heating range of the bent part of the acrylic sheet, preventing insufficient heating that could affect the subsequent bending of the acrylic sheet.
[0024] Example 2
[0025] Based on Example 1, the solution in Example 1 will be further described in detail below with reference to the specific working method, such as... Figures 1 to 4 As shown below, see details:
[0026] In a preferred embodiment, a fixing plate 2 is fixedly disposed between the two side plates 1. Two first suction cups 6 for adsorbing and fixing the acrylic sheet are symmetrically installed on the fixing plate 2. A rotating rod 3 is rotatably disposed between the two. Two connecting rods 4 are symmetrically fixedly connected to the outer side of the rotating rod 3. One end of the two connecting rods 4 is connected to a bending plate 5. Two first suction cups 6 for adsorbing and fixing the acrylic sheet are symmetrically installed on the bending plate 5. Each of the two first suction cups 6 has an air extraction pipe connected and communicating with it on its back. One end of the air extraction pipe is connected to... The vacuum pump input end is connected, and the vacuum pump is fixedly connected to the fixed plate 2 and the bending plate 5 by bolts. Furthermore, when the device is in use, the acrylic plate can be placed on the upper surface of the fixed plate 2 and the bending plate 5. Then, the acrylic plate is adsorbed and fixed by the first suction cup 6. Then, the rotating rod 3 is rotated and adjusted by a servo motor connected to one end of the rotating rod 3. The rotating rod 3 drives the connecting rod 4 and the bending plate 5 fixedly connected to the two connecting rods 4 to rotate, so that one side of the acrylic plate adsorbed on the bending plate 5 is rotated and bent.
[0027] In a preferred embodiment, two connecting seats 14 are symmetrically fixedly connected to the inner top of the two side plates 1. A threaded rod 15 is rotatably connected between each of the two connecting seats 14. A servo motor is bolted to each connecting seat 14, and the output end of the servo motor is connected to one end of the threaded rod 15 via a coupling. A movable seat 16 is threadedly fitted onto the outer side of the two threaded rods 15. An electric push rod 17 is mounted on the movable seat 16. A connecting block 18 is connected to the output end of the electric push rod 17. Four mounting blocks 19 are evenly distributed on the connecting block 18. A pair of second suction cups 20 for adsorption and fixation of acrylic plates are mounted on each of the four mounting blocks 19. Similarly, an air extraction pipe connected to and communicating with the second suction cup 20 is mounted on the back of each second suction cup 20, and one end of the air extraction pipe is connected to a vacuum pump. The input end is connected, and the vacuum pump is fixedly connected to the mounting block 19 by bolts. One side of the two side plates 1 is provided with a storage box 21 for placing the acrylic sheet to be bent, and the other side of the two side plates 1 is provided with a collection box 22 for placing the bent acrylic sheet. Furthermore, when feeding, the threaded rod 15 can be directly driven to rotate by the servo motor. Then, the rotating threaded rod 15 drives the moving seat 16 and the electric push rod 17, connecting block 18, mounting block 19 and second suction cup 20 on the moving seat 16 to move and adjust, so that the second suction cup 20 moves to directly above the storage box 21. Then, the second suction cup 20 picks up the acrylic sheet to be bent placed in the storage box 21 and then transfers it to the fixed plate 2 and the first suction cup 6 for bending.
[0028] The working process of this utility model is as follows: First, the threaded rod 15 is driven to rotate by the servo motor. Then, the rotating threaded rod 15 drives the moving base 16 and the electric push rod 17, connecting block 18, mounting block 19 and second suction cup 20 set on the moving base 16 to move and adjust, so that the second suction cup 20 moves to directly above the storage box 21. Then, the second suction cup 20 picks up the acrylic sheet to be bent placed in the storage box 21 and then transfers it to the fixing plate 2 and the first suction cup 6. Then, the power supply of the servo motor connected to one end of the rotating shaft 9 is turned on, and the rotating shaft 9 is driven by the servo motor. The rotating shaft 9 drives two gears 10 to rotate. Then, the rotating gears 10 mesh with the rack 11 to move and adjust the mounting base 7 and the heating tube 8 installed on the mounting base 7. This allows the heating tube 8 to move to the part of the acrylic plate to be bent for heating. After heating, the rotating rod 3 is rotated and adjusted by a servo motor connected to one end. The rotating rod 3 drives the connecting rod 4 and the bending plate 5 fixedly connected to the two connecting rods 4 to rotate, causing one side of the acrylic plate adsorbed on the bending plate 5 to rotate and bend.
[0029] Meanwhile, after heating the acrylic sheet to be bent, the heating tube 8 is removed from the heating area to prevent the heating tube 8 from continuously heating the bent part of the acrylic sheet, which could easily cause smudging or air bubbles. On the other hand, the heating tube 8 can be moved back and forth during heating to increase the heating range of the bent part of the acrylic sheet and avoid insufficient heating, which would affect the subsequent bending of the acrylic sheet. The above is the working principle of an acrylic sheet bending machine with a positioning mechanism.
Claims
1. An acrylic sheet bending machine with a positioning mechanism, comprising a side plate (1), characterized in that: A mounting base (7) is slidably disposed between the two side plates (1). A heating tube (8) is installed on the mounting base (7). Two racks (11) are symmetrically fixedly welded to the bottom wall of the mounting base (7). A rotating shaft (9) is rotatably connected between the two side plates (1) and below the two racks (11). Two gears (10) are symmetrically fixedly sleeved on the outside of the rotating shaft (9). The two gears (10) are respectively meshed with the two racks (11). A servo motor is bolted to the outer wall of the outer end of the side plate (1). The servo motor is connected to the rotating shaft (9) through a coupling.
2. An acrylic sheet bending machine with a positioning mechanism according to claim 1, characterized in that: The two side plates (1) are provided with limit grooves (13) on their opposite surfaces, and the mounting base (7) is provided with a limit slider (12) that is slidably connected to the limit groove (13) on both sides.
3. An acrylic sheet bending machine with a positioning mechanism according to claim 1, characterized in that: A fixing plate (2) is fixedly disposed between the two side plates (1), and two first suction cups (6) for adsorbing and fixing the acrylic plate are symmetrically installed on the fixing plate (2).
4. An acrylic sheet bending machine with a positioning mechanism according to claim 1, characterized in that: A rotating rod (3) is rotatably arranged between the two. Two connecting rods (4) are symmetrically fixedly connected to the outside of the rotating rod (3). One end of the two connecting rods (4) is connected to a bending plate (5). Two first suction cups (6) for adsorbing and fixing the acrylic plate are symmetrically installed on the bending plate (5).
5. An acrylic sheet bending machine with a positioning mechanism according to claim 1, characterized in that: Two connecting seats (14) are symmetrically fixedly connected to the inner top of the two side plates (1). A threaded rod (15) is rotatably connected between the two connecting seats (14). A movable seat (16) is threaded on the outer side of the two threaded rods (15). An electric push rod (17) is installed on the movable seat (16). A connecting block (18) is connected to the output end of the electric push rod (17). Four mounting blocks (19) are evenly distributed on the connecting block (18). A pair of second suction cups (20) for adsorption and fixation of acrylic plates are installed on each of the four mounting blocks (19).
6. An acrylic sheet bending machine with a positioning mechanism according to claim 1, characterized in that: One side of each of the two side panels (1) is provided with a storage box (21) for placing the acrylic sheet to be bent, and the other side of each of the two side panels (1) is provided with a collection box (22) for placing the bent acrylic sheet.
Citation Information
Patent Citations
Acrylic panel bending table
CN222271254U