A device for bending a vehicle window acrylic sheet

Abstract

The application relates to the technical field of car window acrylic plate bending processing, in particular to a car window acrylic plate bending device, which comprises a base, a device frame fixedly connected to the base, a pressing plate arranged above the device frame, a placing plate arranged below the device frame, a transmission mechanism rotatably connected to one side below the device frame, a plurality of triangular plate positioning mechanisms fixedly connected to the device frame, a pushing frame slidingly matched with one side of the placing plate, a conveying frame rotatably connected to one side of the base, and a waste box arranged on one side of the base. The triangular plate positioning mechanisms can accurately align each edge of a triangular acrylic plate with the corresponding position in the device, ensure the stability of the plate during the processing, effectively avoid the deviation, misplacement or deformation of the plate during the bending, significantly improve the processing precision and efficiency, and provide better production efficiency and high-quality products.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle window acrylic sheet bending processing, and particularly relates to a vehicle window acrylic sheet bending device. BACKGROUND

[0002] Vehicle window acrylic sheet generally refers to acrylic material used for vehicle windows. It is a transparent plastic made of polymethyl methacrylate, which is widely used in automobile manufacturing due to its excellent optical and processing properties, especially in vehicle windows, roof windows, side windows and other parts. The design and manufacture of the vehicle window acrylic sheet bending device should ensure that the acrylic sheet can be effectively heated, bent and cooled, and its shape and strength can be maintained.

[0003] The prior art document with the publication number CN119189275A provides an acrylic sheet bending device, which effectively preserves the original properties and light transmittance of the acrylic sheet during secondary processing, making the light transmission more uniform and the bending surface free of concave-convex spots and other problems. The optimized forming process makes the size of the acrylic sheet more accurate after forming, and the size tolerance can be controlled to ≤0.3mm, making it more convenient to apply in product design.

[0004] In the use process of the prior art, the acrylic sheet is placed above the first workbench for bending processing. In the processing of vehicle window acrylic sheet, the front upper corner of the front window, which is close to the connection between the window and the door, is usually triangular. In the bending processing of triangular vehicle window acrylic sheet, the prior art lacks a positioning structure that is suitable for triangular vehicle window acrylic sheet. Therefore, the triangular vehicle window acrylic sheet cannot be effectively placed correctly on the processing equipment during bending processing, resulting in position deviation of the sheet during heating or bending, which affects the product quality.

[0005] In summary, in the prior art, there is a lack of a positioning structure that is suitable for triangular vehicle window acrylic sheet during bending processing. SUMMARY

[0006] The purpose of the present application is to solve the shortcomings in the background art and provide a vehicle window acrylic sheet bending device.

[0007] To achieve the above purpose, the technical solution adopted by the present application is as follows: a vehicle window acrylic sheet bending device, comprising a base, a device frame is fixedly connected to the base, a pressing plate is arranged above the device frame, a placing plate is arranged below the device frame, a transmission mechanism is rotatably connected to one side below the device frame, a plurality of triangular plate positioning mechanisms are fixedly connected below the device frame, a pushing frame is slidably connected to one side of the placing plate, a conveying frame is rotatably connected to one side of the base, and a waste box is arranged on one side of the base.

[0008] Preferably, a plurality of electric heating pipes are fixedly connected and arranged in the pressing plate and the placing plate, a curved surface is formed on the lower surface of the pressing plate, a hydraulic cylinder is fixedly arranged on the top surface of the pressing plate, the hydraulic cylinder is fixedly connected with the equipment rack, and a transmission rack is fixedly arranged on one side of the top surface of the pressing plate.

[0009] Preferably, a curved surface is formed on the top surface of the placing plate, a mounting column is fixedly arranged on the bottom surface of the placing plate, the mounting column is fixedly connected with the equipment rack, and a triangular acrylic plate is placed on the placing plate.

[0010] Preferably, the transmission mechanism comprises a threaded rod, the threaded rod is rotatably connected with the equipment rack, a universal joint A is fixedly arranged on the top end of the threaded rod, the universal joint A is rotatably connected with the equipment rack, a transmission wheel is fixedly arranged on one end of the universal joint A, the transmission wheel is in meshing transmission with the transmission rack, a moving frame is threadedly connected on the outer wall of the threaded rod, and a plurality of adjusting racks are fixedly arranged on the moving frame.

[0011] Preferably, the triangular plate positioning mechanism comprises a fixed seat, the fixed seat is fixedly connected with the equipment rack, a rotating frame is rotatably connected on the fixed seat, an adjusting wheel is fixedly arranged on the bottom end of the rotating frame, the adjusting wheel is in meshing transmission with the adjusting rack, an active rod is slidably arranged on the top end of the rotating frame, a spring is fixedly arranged on the bottom end of the active rod, the other end of the spring is fixedly connected with the rotating frame, a positioning rod is fixedly arranged on the top end of the active rod, one side of the positioning rod abuts against the side edge of the placing plate and the triangular acrylic plate, and the top end of the positioning rod is in movable contact with the lower surface of the pressing plate.

[0012] Preferably, the top end of the pushing frame is in movable contact with one end of the triangular acrylic plate, a pull spring A is fixedly arranged on the bottom end of the pushing frame, the other end of the pull spring A is fixedly connected with the mounting column, a contact plate is fixedly arranged on one side of the bottom end of the pushing frame, a rotating rod is slidably arranged on one side of the contact plate, and the rotating rod is rotatably connected with the placing plate.

[0013] Preferably, a universal joint B is fixedly arranged on the bottom end of the rotating rod, the universal joint B is rotatably connected with the placing plate, a ratchet wheel is fixedly arranged on one end of the universal joint B, a tooth groove rod is arranged on one side of the ratchet wheel, a plurality of ratchets are rotatably arranged on the inner wall of the tooth groove rod in a linear structure, a pull spring B is fixedly arranged between the ratchets and the inner wall of the tooth groove rod, the ratchets are in meshing transmission with the ratchet wheel, and the tooth groove rod is fixedly connected with the moving frame.

[0014] Preferably, the rotating connection in the conveying frame is provided with a conveying belt, the bottom end of the conveying frame penetrates through the base and is fixedly connected with a motor, the motor is fixedly connected with the base, the lower side of the conveying frame is rotatably connected with a supporting wheel, the supporting wheel is rotatably connected with the base, and the conveying frame is provided with an ultrasonic sensor.

[0015] Preferably, the lower side of the waste box is provided with a track seat, and the track seat is fixedly connected with the base.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. When the triangular acrylic plate is bent by moving the pressing plate up and down in cooperation with the placing plate, the transmission mechanism is driven to rotate and stand up the positioning rod, so that each edge of the triangular acrylic plate is accurately aligned with the corresponding position in the equipment, ensuring the stability of the plate during processing, effectively preventing the plate from shifting, mispositioning or deforming during bending, significantly improving the processing precision and efficiency, providing better production efficiency and high-quality products.

[0018] 2. When the transmission mechanism drives the triangular plate positioning mechanism to reset, the pushing frame is moved, so that the triangular acrylic plate on the placing plate is pushed out a part, facilitating taking and improving the efficiency of the entire work process, reducing the contact with the high-temperature placing plate during manual taking, and ensuring the safety of personnel.

[0019] 3. The rotatable conveying frame facilitates quality detection and conveying of the bent and processed automotive acrylic plate, and when an unqualified automotive acrylic plate is detected, the unqualified product is conveyed into the waste box, facilitating subsequent recycling, reducing resource waste, and improving resource utilization by appropriately reprocessing or recycling the waste. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the automotive acrylic plate bending device of the present application.

[0021] Figure 2 It is a schematic diagram of the partial structure of the automotive acrylic plate bending device of the present application.

[0022] Figure 3 It is a schematic diagram of the partial structure of the automotive acrylic plate bending device of the present application.

[0023] Figure 4 It is a schematic diagram of the placing plate structure of the automotive acrylic plate bending device of the present application.

[0024] Figure 5 It is a transmission mechanism structure schematic view of a vehicle window acrylic plate bending device of the present application;

[0025] Figure 6 It is a triangular plate positioning mechanism structure expansion schematic view of a vehicle window acrylic plate bending device of the present application;

[0026] Figure 7 It is a pusher frame structure expansion schematic view of a vehicle window acrylic plate bending device of the present application;

[0027] Figure 8 It is a conveying frame and waste box structure schematic view of a vehicle window acrylic plate bending device of the present application.

[0028] Indicated in the figure: 1, base; 2, equipment frame; 3, pressing plate; 4, placing plate; 5, transmission mechanism; 6, triangular plate positioning mechanism; 7, pusher frame; 8, conveying frame; 9, waste box; 301, electric heating pipe; 302, hydraulic cylinder; 303, transmission rack; 401, mounting column; 402, triangular acrylic plate; 501, threaded rod; 502, universal joint A; 503, transmission wheel; 504, moving frame; 505, adjusting rack; 601, fixed seat; 602, rotating frame; 603, adjusting wheel; 604, movable rod; 605, spring; 606, positioning rod; 701, tension spring A; 702, contact plate; 703, rotating rod; 704, universal joint B; 705, ratchet wheel; 706, toothed slot rod; 707, ratchet; 708, tension spring B; 801, conveying belt; 802, motor; 803, supporting wheel; 901, track seat. DETAILED DESCRIPTION

[0029] The following description is used to disclose the present application to enable those skilled in the art to implement the present application. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art.

[0030] As Figures 1-8 shown in a vehicle window acrylic plate bending device, comprising a base 1, the base 1 is fixedly connected with an equipment frame 2, the equipment frame 2 is provided with a pressing plate 3 above, the equipment frame 2 is provided with a placing plate 4 below, the equipment frame 2 is provided with a transmission mechanism 5 on one side below, the equipment frame 2 is provided with a plurality of triangular plate positioning mechanisms 6 below, the placing plate 4 is provided with a pusher frame 7 on one side, the base 1 is provided with a conveying frame 8 on one side, and the base 1 is provided with a waste box 9 on one side.

[0031] As Figure 3As shown, the pressing plate 3 and the placing plate 4 are fixedly connected with a plurality of electric heating pipes 301, the lower surface of the pressing plate 3 is provided with a curved surface, the top surface of the pressing plate 3 is fixedly provided with a hydraulic cylinder 302, the hydraulic cylinder 302 is fixedly connected with the equipment rack 2, and one side of the top surface of the pressing plate 3 is fixedly provided with a transmission rack 303. The hydraulic cylinder 302 drives the pressing plate 3 to move downward, and at this time, the transmission rack 303 on the pressing plate 3 drives the transmission wheel 503 to rotate.

[0032] As shown in the figure, Figure 4 The top surface of the placing plate 4 is provided with a curved surface, the bottom surface of the placing plate 4 is fixedly provided with a mounting column 401, the mounting column 401 is fixedly connected with the equipment rack 2, and the placing plate 4 is placed with a triangular acrylic plate 402.

[0033] As shown in the figure, Figure 5 The transmission mechanism 5 includes a threaded rod 501, the threaded rod 501 is rotatably connected with the equipment rack 2, the top end of the threaded rod 501 is fixedly provided with a universal joint A 502, the universal joint A 502 is rotatably connected with the equipment rack 2, one end of the universal joint A 502 is fixedly provided with a transmission wheel 503, the transmission wheel 503 is in meshing transmission with the transmission rack 303, the outer wall of the threaded rod 501 is threadedly connected with a moving frame 504, and the moving frame 504 is fixedly provided with a plurality of adjusting racks 505. The transmission wheel 503 drives the threaded rod 501 connected with the universal joint A 502 to rotate, so that the threaded rod 501 drives the moving frame 504 to move downward, and at this time, the adjusting rack 505 on the moving frame 504 drives the adjusting wheel 603 to rotate.

[0034] As shown in the figure, Figure 6 The triangular plate positioning mechanism 6 includes a fixed seat 601, the fixed seat 601 is fixedly connected with the equipment rack 2, the fixed seat 601 is rotatably connected with a rotating frame 602, the bottom end of the rotating frame 602 is fixedly provided with an adjusting wheel 603, the adjusting wheel 603 is in meshing transmission with the adjusting rack 505, the top end of the rotating frame 602 is slidably connected with a movable rod 604, the bottom end of the movable rod 604 is fixedly provided with a spring 605, the other end of the spring 605 is fixedly connected with the rotating frame 602, the top end of the movable rod 604 is fixedly provided with a positioning rod 606, one side of the positioning rod 606 abuts against the side edge of the placing plate 4 and the triangular acrylic plate 402, and the top end of the positioning rod 606 is movably connected with the lower surface of the pressing plate 3. The spring 605 enables the positioning rod 606 to always position the triangular acrylic plate 402 as the pressing plate 3 moves downward. The adjusting wheel 603 drives the connected rotating frame 602 to rotate and stand up, so that the plurality of positioning rods 606 can abut against the side edge of the triangular acrylic plate 402 to position it.

[0035] When the triangular acrylic plate 402 is bent by moving the matching placement plate 4 up and down on the pressing plate 3, the positioning mechanism 6 can drive the transmission mechanism 5 to rotate the positioning rod 606 to stand up, thereby accurately aligning each edge of the triangular acrylic plate 402 with the corresponding position in the equipment, ensuring the stability of the plate during processing, effectively preventing the plate from shifting, mispositioning or deforming during bending, and significantly improving the processing precision and efficiency, providing better production efficiency and high-quality products.

[0036] As shown in Figure 7 , the top end of the pushing frame 7 is in movable contact with one end of the triangular acrylic plate 402, the bottom end of the pushing frame 7 is fixedly connected with a tension spring A701, the other end of the tension spring A701 is fixedly connected with the mounting column 401, the bottom end of the pushing frame 7 is fixedly connected with a contact plate 702 on one side, the contact plate 702 is slidably connected with a rotating rod 703 on one side, and the rotating rod 703 is rotatably connected with the placement plate 4. The tension spring A701 realizes automatic resetting of the pushing frame 7.

[0037] The bottom end of the rotating rod 703 is fixedly connected with a universal joint B704, the universal joint B704 is rotatably connected with the placement plate 4, one end of the universal joint B704 is fixedly connected with a ratchet wheel 705, one side of the ratchet wheel 705 is provided with a toothed groove rod 706, a plurality of ratchet teeth 707 are rotatably connected to the inner wall of the toothed groove rod 706 in a linear structure, a tension spring B708 is fixedly connected between the ratchet teeth 707 and the inner wall of the toothed groove rod 706, the ratchet teeth 707 are in meshing transmission with the ratchet wheel 705, and the toothed groove rod 706 is fixedly connected with the moving frame 504. The tension spring B708 realizes one-way transmission of the ratchet teeth 707. The moving frame 504 drives the toothed groove rod 706 to move upwards, and then the ratchet teeth 707 in the toothed groove rod 706 mesh with the ratchet wheel 705, thereby driving the rotating rod 703 connected with the universal joint B704 to rotate, so that the rotating rod 703 contacts and pushes the contact plate 702, and the contact plate 702 drives the pushing frame 7 to move.

[0038] As shown in Figure 8 , the conveying frame 8 is rotatably connected with a conveying belt 801, the bottom end of the conveying frame 8 penetrates through the base 1 and is fixedly connected with a motor 802, the motor 802 is fixedly connected with the base 1, the lower side of the conveying frame 8 is rotatably connected with a supporting wheel 803, the supporting wheel 803 is rotatably connected with the base 1, and the conveying frame 8 is provided with an ultrasonic sensor. The supporting wheel 803 makes it easier to rotate the conveying frame 8.

[0039] As shown in Figure 8 , the lower side of the waste box 9 is provided with a track seat 901, and the track seat 901 is fixedly connected with the base 1. The track seat 901 facilitates positioning of the waste box 9.

[0040] Working principle: when the vehicle window acrylic plate needs to be bent, first place the triangular acrylic plate 402 on the placement plate 4, then use the hydraulic cylinder 302 to drive the pressing plate 3 to move down, at this time the transmission rack 303 on the pressing plate 3 will drive the transmission wheel 503 to rotate, at this time the transmission wheel 503 will drive the threaded rod 501 connected by the universal joint A 502 to rotate, so that the threaded rod 501 drives the moving frame 504 to move down, at this time the adjusting rack 505 on the moving frame 504 will drive the adjusting wheel 603 to rotate;

[0041] Then the adjusting wheel 603 will drive the rotating frame 602 connected to it to rotate and stand up, so that the plurality of positioning rods 606 can abut against the side edge of the triangular acrylic plate 402 to position it, then use the electric heating tube 301 in the pressing plate 3 and the placement plate 4 to make the pressing plate 3 and the placement plate 4 generate a certain high temperature, then when the triangular acrylic plate 402 is heated to be soft enough, make the pressing plate 3 press on the triangular acrylic plate 402, cooperate with the placement plate 4 to realize bending processing;

[0042] After bending processing is completed, the pressing plate 3 moves up to reset, at this time it will drive the moving frame 504 to move up, so that the triangular plate positioning mechanism 6 is lowered to reset, then the moving frame 504 will drive the toothed rod 706 to move up, then the ratchet 707 in the toothed rod 706 engages with the ratchet wheel 705, so as to drive the rotating rod 703 connected by the universal joint B 704 to rotate, so that the rotating rod 703 contacts and pushes the contact plate 702, so that the contact plate 702 can drive the pushing frame 7 to move, so that the pushing frame 7 can push the triangular acrylic plate 402 placed on the placement plate 4 by a distance;

[0043] Then manually take down the triangular acrylic plate 402 and place it on the conveying belt 801, then use the ultrasonic sensor on the conveying frame 8 to emit high-frequency sound waves and receive the echo, by analyzing the time, intensity and change of the echo signal, to judge the internal structure defect of the triangular acrylic plate 402, when the defect is greater than the preset value, the triangular acrylic plate 402 is judged as unqualified product, the motor 802 is controlled to drive the conveying frame 8 to rotate, so that one end of the conveying frame 8 is located above the waste box 9, so that the unqualified product can fall into the waste box 9 for recycling.

[0044] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other present or future devices perform the same function under a different name. It must be noted that, as used in the specification and the appended claims, the singular forms "a," "an" and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a plurality of such components. In this specification and in the claims, the term "when" should be understood to mean "whereupon" or "upon" when used in contexts describing the sequential order of events, and "whenever" when used in contexts describing the sequential order of events or circumstances. The terms "comprises" and / or "comprising," or "includes" and / or "including" when used in this specification and in the following claims are used open- ended, meaning that they include the elements that follow, but not to the exclusion of other elements. The terms "coupled" and "coupling" mean to be directly or indirectly connected physically or logically, or to be directly or indirectly in communication, whether electrically, mechanically, optically, or otherwise.

[0045] The foregoing description of the preferred embodiment of the application has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the application to the precise form disclosed. Many modifications and variations are possible in light of this disclosure. It is intended that the scope of the application be limited not with this detailed description, but rather by the claims appended hereto.

Claims

1. A device for bending a vehicle window acrylic sheet, comprising a base (1), characterized in that: The base (1) is fixedly connected with an equipment rack (2), the equipment rack (2) is provided with a pressing plate (3) above, the equipment rack (2) is provided with a placing plate (4) below, the equipment rack (2) is rotatably connected with a transmission mechanism (5) on one side below, the equipment rack (2) is fixedly connected with a plurality of triangular plate positioning mechanisms (6) below, the placing plate (4) is slidably connected with a pushing frame (7) on one side, the base (1) is rotatably connected with a conveying frame (8) on one side, the base (1) is provided with a waste box (9) on one side, the pressing plate (3) is fixedly connected with a transmission rack (303) on one side of the top surface, the placing plate (4) is provided with a triangular acrylic plate (402), the transmission mechanism (5) comprises a threaded rod (501), the threaded rod (501) is rotatably connected with the equipment rack (2), the threaded rod (501) is fixedly connected with a universal joint A (502) at the top end, the universal joint A (502) is rotatably connected with the equipment rack (2), the universal joint A (502) is fixedly connected with a transmission wheel (503) on one end, the transmission wheel (503) is meshingly connected with the transmission rack (303), the threaded rod (501) is threadedly connected with a moving frame (504) on the outer wall, the moving frame (504) is fixedly connected with a plurality of adjusting racks (505), the triangular plate positioning mechanism (6) comprises a fixed seat (601), the fixed seat (601) is fixedly connected with the equipment rack (2), the fixed seat (601) is rotatably connected with a rotating frame (602), the rotating frame (602) is fixedly connected with an adjusting wheel (603) at the bottom end, the adjusting wheel (603) is meshingly connected with the adjusting rack (505), the rotating frame (602) is slidably connected with a movable rod (604) at the top end, the movable rod (604) is fixedly connected with a spring (605) at the bottom end, the spring (605) is fixedly connected with the rotating frame (602) on the other end, the movable rod (604) is fixedly connected with a positioning rod (606) at the top end, the positioning rod (606) is in abutment with the placing plate (4) and the side edge of the triangular acrylic plate (402) on one side, and the positioning rod (606) is movably connected with the lower surface of the pressing plate (3) at the top end.

2. The device according to claim 1, wherein: The pressing plate (3) and the placing plate (4) are fixedly connected with a plurality of electric heating pipes (301), the lower surface of the pressing plate (3) is provided with a curved surface, and the top surface of the pressing plate (3) is fixedly provided with a hydraulic cylinder (302).

3. The device according to claim 1, wherein: The top surface of the placing plate (4) is provided with a curved surface, and the bottom surface of the placing plate (4) is fixedly provided with a mounting column (401).

4. The device according to claim 3, wherein: The top end of the pushing frame (7) is movably connected with one end of the triangular acrylic plate (402), the bottom end of the pushing frame (7) is fixedly connected with a tension spring A (701), the other end of the tension spring A (701) is fixedly connected with the mounting column (401), one side of the bottom end of the pushing frame (7) is fixedly connected with the contact plate (702), one side of the contact plate (702) is slidably connected with the rotating rod (703), and the rotating rod (703) is rotatably connected with the placing plate (4).

5. The device according to claim 4, wherein: The bottom end of the rotating rod (703) is fixedly connected with the universal joint B (704), the universal joint B (704) is rotatably connected with the placing plate (4), one end of the universal joint B (704) is fixedly connected with the ratchet wheel (705), one side of the ratchet wheel (705) is provided with the toothed groove rod (706), a plurality of ratchet teeth (707) are rotatably connected to the inner wall of the toothed groove rod (706) in a linear structure, the tension spring B (708) is fixedly connected between the ratchet teeth (707) and the inner wall of the toothed groove rod (706), the ratchet teeth (707) are in meshing transmission with the ratchet wheel (705), and the toothed groove rod (706) is fixedly connected with the moving frame (504).

6. The device according to claim 1, wherein: The conveying frame (8) is rotatably connected with the conveying belt (801), the bottom end of the conveying frame (8) penetrates through the base (1) and is fixedly connected with the motor (802), the motor (802) is fixedly connected with the base (1), the lower side of the conveying frame (8) is rotatably connected with the supporting wheel (803), the supporting wheel (803) is rotatably connected with the base (1), and the ultrasonic sensor is mounted on the conveying frame (8).

7. The device according to claim 1, wherein: The waste box (9) is provided with the track seat (901) on the lower side, and the track seat (901) is fixedly connected with the base (1).

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