A bending device for electric vehicle frame production
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-04
- Publication Date
- 2026-08-11
AI Technical Summary
[0005]本实用新型的目的在于提供一种电动车车架生产用折弯设备,以解决出料环节多依赖人工取料,不仅增加了操作人员的劳动强度,还存在手部被设备误伤的安全隐患;部分设备的压块与车架管接触部位设计不合理,易造成管材表面划伤或压痕,后续需要额外的打磨工序的问题
[0016]1、当车架管处于未折弯前,升降夹块可以对车架管的中部进行支撑,避免车架管产生移动,起到支撑固定作用,当车架管进行折弯时,下压力会使升降夹块跟随下降,挤压弹簧伸缩杆回缩,当折弯完成后,弹簧伸缩杆的弹力作用,自动带动折弯的车架管上升,完成脱离任务;
Smart Images

Figure CN224614945U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of vehicle frame production, and in particular to a bending device for producing electric vehicle frames. Background Technology
[0002] With the rapid development of the new energy vehicle industry, the market demand for electric vehicles continues to rise. As the core load-bearing component of electric vehicles, the production quality of the frame directly affects the safety and service life of the vehicle. The bending process of the frame tube is a key process in frame production, which requires ensuring precise bending angles, no surface damage, and high dimensional consistency.
[0003] The material unloading process relies heavily on manual handling, which not only increases the labor intensity of operators but also poses a safety hazard of accidental hand injury from the equipment. The design of the contact area between the pressure block and the frame tube of some equipment is unreasonable, which can easily cause scratches or indentations on the surface of the tube, requiring additional grinding processes afterward.
[0004] Therefore, it is necessary to propose a bending device for electric vehicle frame production to solve the above problems. Utility Model Content
[0005] The purpose of this utility model is to provide a bending device for the production of electric vehicle frames, so as to solve the problem that the unloading process relies heavily on manual material handling, which not only increases the labor intensity of operators, but also poses a safety hazard of accidental hand injury from the equipment; the design of the contact part between the pressure block and the frame tube of some equipment is unreasonable, which can easily cause scratches or indentations on the surface of the tube, requiring additional grinding process afterward.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a bending device for electric vehicle frame production, comprising a workbench, a base inside the workbench, a U-shaped frame fixed at the top of the base, rollers rotatably connected to both sides of the top of the U-shaped frame, a frame tube placed on the two rollers, and a pressure block raised and lowered above the frame tube;
[0007] A spring telescopic rod is fixed inside the base, and a lifting clamp is fixed at the top of the spring telescopic rod. The spring telescopic rod is fixed on the base, and a groove for clamping the vehicle frame tube is opened at the top of the lifting clamp.
[0008] A pushing mechanism is fixed on one side of the inside of the workbench.
[0009] Preferably, a hydraulic cylinder is fixed at the top of the workbench, a telescopic end is provided at the bottom of the hydraulic cylinder, a pressure plate is connected to the bottom of the telescopic end, and the pressure block is fixed to the bottom of the pressure plate;
[0010] The bottom end of the pressure block is provided with an arc-shaped groove, which corresponds to the outer side of the frame tube.
[0011] Preferably, the pushing mechanism includes a fixed base, an electric push rod is fixed to the side of the fixed base facing the base, a push plate is fixed to one end of the electric push rod, and a displacement sensor is provided on the fixed base.
[0012] Preferably, the base has an inclined conveying channel on the side away from the fixed seat, and the base, fixed seat and inclined conveying channel are arranged in a straight line.
[0013] Preferably, an operating port is provided on one side of the workbench, and the operating port is located on the side of the workbench close to the inclined conveying channel.
[0014] Preferably, the hydraulic cylinder is connected to a hydraulic system.
[0015] The technical effects and advantages of this utility model are as follows:
[0016] 1. Before the frame tube is bent, the lifting clamp can support the middle of the frame tube to prevent it from moving and play a supporting and fixing role. When the frame tube is bent, the downward pressure will cause the lifting clamp to descend and squeeze the spring telescopic rod to retract. After the bending is completed, the elastic force of the spring telescopic rod will automatically drive the bent frame tube to rise and complete the disengagement task.
[0017] 2. When the displacement sensor detects that the frame tube is bent and rising, it can transmit the signal to the controller. The controller controls the electric push rod to extend, thereby using the push plate to push one end of the frame tube, so that it is separated from the lifting clamp and finally pushed onto the inclined conveyor channel to complete the conveying task, avoiding the safety hazards caused by manual handling. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the bending equipment used in the production of electric vehicle frames according to this utility model.
[0019] Figure 2 This is a schematic diagram of the structure of the base of this utility model.
[0020] Figure 3 This is a schematic diagram of the structure of the pressure block of this utility model.
[0021] In the diagram: 1. Workbench; 2. Hydraulic cylinder; 3. Telescopic end; 4. Pressure plate; 5. Pressure block; 6. Operating port; 7. Inclined conveying channel; 8. Fixed seat; 9. Electric push rod; 10. Push plate; 11. Base; 12. U-shaped frame; 13. Roller; 14. Lifting clamp; 15. Chassis tube; 16. Spring telescopic rod. Detailed Implementation
[0022] This utility model provides, for example Figures 1-3The bending equipment shown includes a workbench 1, and a base 11 is provided inside the workbench 1. The base 11 serves as the main support component when bending the frame tube 15.
[0023] A U-shaped frame 12 is fixed to the top of the base 11. Rollers 13 are rotatably connected to both sides of the top of the U-shaped frame 12. A frame tube 15 is placed on the two rollers 13. A pressure block 5 is raised and lowered above the frame tube 15. A hydraulic cylinder 2 is fixed to the top of the workbench 1. A telescopic end 3 is provided at the bottom of the hydraulic cylinder 2. A pressure plate 4 is connected to the bottom of the telescopic end 3. The pressure block 5 is fixed to the bottom of the pressure plate 4. The hydraulic cylinder 2 is connected to a hydraulic system and can be provided with stable power by a hydraulic pump.
[0024] When the pressure block 5 descends, the roller 13 is made of high-hardness alloy material and the surface is polished. This not only reduces friction damage with the frame tube 15, but also rotates synchronously with the tube during the pushing process to ensure that the frame tube 15 bends.
[0025] A spring telescopic rod 16 is fixed inside the base 11. A lifting clamp 14 is fixed at the top of the spring telescopic rod 16. The spring telescopic rod 16 is fixed on the base 11. A groove for clamping and holding the vehicle frame tube 15 is opened at the top of the lifting clamp 14.
[0026] Before the frame tube 15 is bent, the lifting clamp 14 can support the middle of the frame tube 15 to prevent the frame tube 15 from moving. When the frame tube 15 is bent, the downward pressure will cause the lifting clamp 14 to descend and squeeze the spring telescopic rod 16 to retract. After the bending is completed, the elastic force of the spring telescopic rod 16 will automatically drive the bent frame tube 15 to rise and complete the disengagement task.
[0027] A pushing mechanism is fixed on one side of the inside of workbench 1.
[0028] The bottom end of the pressure block 5 has an arc-shaped groove, which corresponds to the outer side of the frame tube 15.
[0029] The pushing mechanism includes a fixed base 8, on which an electric push rod 9 is fixed. A push plate 10 is fixed to one end of the electric push rod 9. A displacement sensor is installed on the fixed base 8. The displacement sensor is a laser displacement sensor. When the displacement sensor detects that the frame tube 15 bends and rises, it can transmit a signal to the controller. The controller controls the electric push rod 9 to extend, thereby using the push plate 10 to push one end of the frame tube 15, causing it to detach from the lifting clamp 14, and finally push it onto the inclined conveyor channel 7 to complete the conveying task, avoiding the safety hazards caused by manual handling.
[0030] An inclined conveying channel 7 is provided on the side of the base 11 away from the fixed seat 8, and the base 11, the fixed seat 8 and the inclined conveying channel 7 are arranged in a straight line. The inclined conveying channel 7 is welded from stainless steel plate, and the side of the inclined conveying channel 7 away from the base 11 is inclined downward.
[0031] An operating port 6 is provided on one side of the workbench 1. The operating port 6 is located on the side of the workbench 1 near the inclined conveyor channel 7. Its height and width meet the needs of operators to reach out and adjust the pipes or perform equipment maintenance.
Claims
1. A bending device for producing electric vehicle frames, comprising a workbench (1), characterized in that: The workbench (1) is provided with a base (11) inside. A U-shaped frame (12) is fixed at the top of the base (11). Rollers (13) are rotatably connected to both sides of the top of the U-shaped frame (12). A frame tube (15) is placed on the two rollers (13). A pressure block (5) is raised and lowered above the frame tube (15). A spring telescopic rod (16) is fixed inside the base (11), and a lifting clamp (14) is fixed at the top of the spring telescopic rod (16). The spring telescopic rod (16) is fixed on the base (11), and a groove for clamping the vehicle frame tube (15) is opened at the top of the lifting clamp (14). A pushing mechanism is fixed on one side of the inside of the workbench (1).
2. The bending equipment for electric vehicle frame production according to claim 1, characterized in that: A hydraulic cylinder (2) is fixed at the top of the workbench (1), and a telescopic end (3) is provided at the bottom of the hydraulic cylinder (2). A pressure plate (4) is connected to the bottom of the telescopic end (3), and the pressure block (5) is fixed to the bottom of the pressure plate (4). The bottom end of the pressure block (5) is provided with an arc-shaped groove, which corresponds to the outer side of the frame tube (15).
3. The bending equipment for electric vehicle frame production according to claim 2, characterized in that: The pushing mechanism includes a fixed base (8), an electric push rod (9) is fixed on the side of the fixed base (8) facing the base (11), a push plate (10) is fixed on one end of the electric push rod (9), and a displacement sensor is provided on the fixed base (8).
4. The bending equipment for electric vehicle frame production according to claim 1, characterized in that: An inclined conveying channel (7) is provided on the side of the base (11) away from the fixed seat (8), and the base (11), the fixed seat (8) and the inclined conveying channel (7) are arranged in a straight line.
5. The bending equipment for producing electric vehicle frames according to claim 4, characterized in that: An operation port (6) is provided on one side of the workbench (1), and the operation port (6) is located on the side of the workbench (1) near the inclined conveying channel (7).
6. The bending equipment for electric vehicle frame production according to claim 2, characterized in that: The hydraulic cylinder (2) is connected to the hydraulic system.