Shaping and repairing tool for spring eye of plate spring
By designing a leaf spring rolling ear plastic surgery and restoration workpiece containing multiple components, the technical difficulties of leaf spring rolling ear plastic surgery and restoration are solved, and efficient plastic surgery and repair of different thickness rolling ears is achieved, which is simple to operate and low cost.
Patent Information
- Application Number
- CN202421243919.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Leaf spring rolling ears are prone to problems such as rounding and insufficient curvature during processing, and plastic surgery is required, but the prior art is difficult to meet the plastic surgery and repair needs of leaf spring rolling ears of different thicknesses.
A plastic shaping and repair workpiece including a base, a fixing frame, a positioning roller, a swing frame, a pressing fixing mechanism, an adjustment component and a reset component are designed. Through the coordination of the rolling ear insertion shaft, a positioning roller and an adjustment component, the plates of different thicknesses are realized. Plastic surgery and repair of spring rolled ears.
The tool is easy to operate and has good plastic shaping effect. It can meet the plastic shaping and repair needs of leaf spring rolling ears of different thicknesses. It has low preparation cost and good applicability.
Smart Images
Figure CN222428944U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of leaf springs, in particular to a shaping and repairing tool for leaf spring ears. Background Art
[0002] Leaf spring is an elastic element widely used in vehicle suspension. It is an elastic beam of approximately equal strength composed of several alloy spring leaves of equal width and different lengths. It bears and transmits the vertical force between the frame and the axle and various forces other than the vertical force and the torque formed by them, ensuring the smoothness of vehicle driving and the stability of handling. The longest spring leaf is called the main leaf, and its two ends are usually bent to form ears, which are used to be hinged with the frame support to play a role in force transmission and guidance.
[0003] During the processing and preparation of the ears at both ends of the leaf spring, due to hardware limitations such as equipment and inconsistent temperature during the heating of the steel plate, problems such as loss of roundness and insufficient curvature are prone to occur during the ears, necessitating plastic surgery and repair of the leaf spring ears. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a shaping and repair tool for leaf spring ears, which can meet the shaping and repair needs of leaf spring ears of different thicknesses, is easy to operate, has good shaping effect and low preparation cost.
[0005] The technical solution adopted by the utility model to solve the technical problem is: a plastic repair tool for leaf spring ears, comprising a base, a fixing frame and a swing frame; the fixing frame is fixed on the base, and a positioning roller is arranged in the fixing frame;
[0006] The swing frame is hinged to one end of the fixed frame, a coil ear plug shaft is arranged between the swing frame and the fixed frame, the coil ear plug shaft is passed through the hinge of the fixed frame and the swing frame, and the coil ear plug shaft is parallel to the axis of the positioning roller; the coil ear plug shaft can move along one end of its own axis direction, so that the coil ear plug shaft is pulled away from the fixed frame and the swing frame;
[0007] A clamping and fixing mechanism is installed on the swing frame; the clamping and fixing mechanism includes a movable pressure plate, an eccentric wheel and a pressure arm rod, the movable pressure plate is slidably connected in the swing frame, the movable pressure plate is located at the end of the ear-rolling shaft away from the positioning roller, one side of the eccentric wheel is located in the swing frame and is rotatably connected to the swing frame, the eccentric wheel is located at the side of the movable pressure plate away from the ear-rolling shaft, the eccentric wheel abuts against the side wall of the movable pressure plate, the pressure arm rod is fixed to the outer side wall of the eccentric wheel away from the swing frame, and the eccentric wheel can push the movable pressure plate to slide in the direction close to the ear-rolling shaft when it rotates.
[0008] Furthermore, an adjustment component is provided on the fixed frame, and the adjustment component includes an adjustment seat, a screw and an adjustment handle. The adjustment seat is slidably connected in the fixed frame, the positioning roller is rotatably connected to one end of the adjustment seat close to the ear plug shaft, one end of the screw penetrates into the fixed frame and is rotatably connected to the adjustment seat, and the other end of the screw is fixedly connected to the adjustment handle.
[0009] Furthermore, a reset assembly is provided on the swing frame, and the reset assembly includes a reset tension spring, a first connecting rod and a second connecting rod. The end of the movable pressure plate close to the winding ear plug shaft extends out of the swing frame, the first connecting rod is fixed to the side wall of the end of the movable pressure plate extending out of the swing frame, and the second connecting rod is fixed to the outer side wall of the swing frame. The two ends of the reset tension spring are respectively connected to the first connecting rod and the second connecting rod.
[0010] Furthermore, two ear plates are formed on the upper and lower sides of one end of the fixed frame close to the swing frame, and bearings are embedded in the side walls of the two ear plates close to each other. Sleeves are provided on the upper and lower sides of one end of the swing frame close to the fixed frame, and the two sleeves are located between the two ear plates and correspond to each other one by one. One end of each sleeve is inserted into the inner ring of the bearing of the corresponding ear plate, and the winding ear shaft is movably inserted into each ear plate and the sleeve.
[0011] Beneficial effects of the utility model:
[0012] When the shaping and repairing tool of the utility model is performing the shaping and repairing of the leaf spring ear, the ear plug shaft is lifted up for a distance, and then the ear is placed at the bottom of the ear plug shaft, and the ear plug shaft is lowered, and the ear plug shaft is inserted into the ear; the pressure arm is held and pressed downward to drive the eccentric wheel to rotate, and the eccentric wheel pushes the movable pressure plate to slide in the direction close to the ear plug shaft until it is tightly abutted against the outer wall of the ear sleeved outside the ear plug shaft, thereby completing the locking and fixing of the ear, and then the pressure arm is horizontally bent to drive the swing frame to deflect around the fixed frame, thereby realizing the bending shaping and repairing of the leaf spring ear, which is easy to operate, has good shaping effect and low tool manufacturing cost; and the spacing from the positioning roller to the ear plug shaft can be adjusted to meet the shaping and repairing needs of leaf spring ears of different thicknesses, and has good applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a front view of the overall structure of the utility model.
[0014] Figure 2 It is a three-dimensional structural schematic diagram of the overall structure of the utility model
[0015] Figure 3 It is a partial cross-sectional view of the utility model used to reflect the internal structure of the fixed frame and the swing frame.
[0016] In the figure: 1. base; 2. fixing frame; 21. ear plate; 22. bearing; 3. swing frame; 31. sleeve; 4. positioning roller; 5. clamping and fixing mechanism; 51. movable pressure plate; 52. eccentric wheel; 53. pressure arm; 6. adjustment assembly; 61. adjustment seat; 62. screw; 63. adjustment handle; 7. reset assembly; 71. reset spring; 72. first connecting rod; 73. second connecting rod; 8. ear plug shaft. DETAILED DESCRIPTION
[0017] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0018] The utility model discloses a shaping and repairing tool for a leaf spring ear.
[0019] Reference Figures 1 to 3 A plastic repair tool for a leaf spring ear includes a base 1, a fixing frame 2 and a swing frame 3; the fixing frame 2 is welded and fixed on the base 1, and a positioning roller 4 is installed in the fixing frame 2;
[0020] The swing frame 3 is hinged to one end of the fixed frame 2. Two ear plates 21 are formed on the upper and lower sides of the end of the fixed frame 2 close to the swing frame 3. The two ear plates 21 are respectively located on the upper and lower sides of the fixed frame 2. Bearings 22 are embedded in the side walls of each ear plate 21 close to each other. Sleeves 31 are fixed on the upper and lower sides of the end of the swing frame 3 close to the fixed frame 2. The two sleeves 31 are located between the two ear plates 21 and correspond one to one. One end of each sleeve 31 is inserted into the inner ring of the bearing 22 of the corresponding ear plate 21 to realize the hinge between the swing frame 3 and the fixed frame 2.
[0021] A coil ear plug shaft 8 is arranged between the swing frame 3 and the fixed frame 2, and the coil ear plug shaft 8 is movably arranged at the hinge of the fixed frame 2 and the swing frame 3, that is, in each ear plate 21 and the sleeve 31. The coil ear plug shaft 8 is parallel to the axis of the positioning roller 4; the coil ear plug shaft 8 can move upward along its own axis direction, so that the coil ear plug shaft 8 is withdrawn from the fixed frame 2 and the swing frame 3, so that the coil ear of the leaf spring is sleeved outside the coil ear plug shaft 8.
[0022] Reference Figures 1 to 3 A clamping and fixing mechanism 5 is installed on the swing frame 3; the clamping and fixing mechanism 5 includes a movable pressing plate 51, an eccentric wheel 52 and a pressure arm 53. The movable pressing plate 51 is slidably connected in the swing frame 3, the movable pressing plate 51 is located at the end of the ear-rolling plug-in shaft 8 away from the positioning roller 4, one side of the eccentric wheel 52 is located in the swing frame 3 and is rotatably connected to the swing frame 3, the eccentric wheel 52 is located at the side of the movable pressing plate 51 away from the ear-rolling plug-in shaft 8, the eccentric wheel 52 abuts against the side wall of the movable pressing plate 51, and the pressure arm 53 is fixed to the outer side wall of the eccentric wheel 52 away from the swing frame 3. When the eccentric wheel 52 rotates, it can push the movable pressing plate 51 to slide in the direction close to the ear-rolling plug-in shaft 8.
[0023] When using the shaping and repair tool to shape and repair the leaf spring ear, the ear plug shaft 8 is lifted up for a distance, and then the ear to be shaped is placed on the bottom of the ear plug shaft 8 and aligned, and then the ear plug shaft 8 is lowered, and the ear plug shaft 8 is inserted into the ear; then the pressure arm 53 is held and pressed downward to drive the eccentric wheel 52 to rotate, and the eccentric wheel 52 pushes the movable pressure plate 51 to slide in the direction close to the ear plug shaft 8 until the movable pressure plate 51 is tightly pressed against the outer wall of the ear sleeved on the outside of the ear plug shaft 8, thereby locking and fixing the ear, and then the pressure arm 53 is horizontally bent to drive the swing frame 3 to deflect around the fixed frame 2, and the swing frame 3 bends and shapes the ear through the movable pressure plate 51 while deflecting.
[0024] Reference Figures 1 to 3 In order to better adapt to the plastic and repair operations of rolled ears of different thicknesses, an adjustment component 6 is provided on the fixing frame 2. The adjustment component 6 includes an adjustment seat 61, a screw 62 and an adjustment handle 63. The adjustment seat 61 is slidably connected to the fixing frame 2, the positioning roller 4 is rotationally connected to one end of the adjustment seat 61 close to the rolled ear plug shaft 8, one end of the screw 62 penetrates the fixing frame 2 and is rotationally connected to the adjustment seat 61, and the other end of the screw 62 is fixedly connected to the adjustment handle 63. By rotating the adjustment handle 63, the adjustment seat 61 can be driven to slide in the fixing frame 2, and then the distance between the positioning roller 4 and the rolled ear plug shaft 8 can be adjusted, so that the plastic and repair operations of rolled ears of different thicknesses can be adapted.
[0025] Reference Figures 1 to 3 The swing frame 3 is provided with a reset assembly 7, which includes a reset tension spring 71, a first connecting rod 72 and a second connecting rod 73. The end of the movable pressing plate 51 close to the ear plug shaft 8 extends out of the swing frame 3. The first connecting rod 72 is welded and fixed to the side wall of the end of the movable pressing plate 51 extending out of the swing frame 3. The second connecting rod 73 is welded and fixed to the outer side wall of the swing frame 3. The two ends of the reset tension spring 71 are respectively connected to the first connecting rod 72 and the second connecting rod 73. When the eccentric wheel 52 drives the movable pressing plate 51 to slide in the direction close to the ear plug shaft 8, the reset tension spring 71 is in a stretched state. After the shaping operation of the ear is completed, the pressure arm 53 is released. Under the tension of the reset tension spring 71, the movable pressing plate 51 automatically retracts and maintains a tight state with the eccentric wheel 52.
[0026] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A plastic repair tool for leaf spring ears, characterized in that: It comprises a base (1), a fixed frame (2) and a swing frame (3); the fixed frame (2) is fixed on the base (1), and a positioning roller (4) is arranged inside the fixed frame (2); The swing frame (3) is hinged to one end of the fixed frame (2), and a coiled ear plug shaft (8) is arranged between the swing frame (3) and the fixed frame (2). The coiled ear plug shaft (8) is arranged at the hinge between the fixed frame (2) and the swing frame (3), and the coiled ear plug shaft (8) is parallel to the axis of the positioning roller (4); the coiled ear plug shaft (8) can move along one end of its own axis direction, so that the coiled ear plug shaft (8) is pulled away from the fixed frame (2) and the swing frame (3); A clamping and fixing mechanism (5) is installed on the swing frame (3); the clamping and fixing mechanism (5) includes a movable pressure plate (51), an eccentric wheel (52) and a pressure arm (53); the movable pressure plate (51) is slidably connected to the swing frame (3); the movable pressure plate (51) is located at one end of the ear-rolling plug shaft (8) away from the positioning roller (4); one side of the eccentric wheel (52) is located in the swing frame (3) and is rotatably connected to the swing frame (3); the eccentric wheel (52) is located at the side of the movable pressure plate (51) away from the ear-rolling plug shaft (8); the eccentric wheel (52) abuts against the side wall of the movable pressure plate (51); the pressure arm (53) is fixed to the outer side wall of the eccentric wheel (52) away from the swing frame (3); when the eccentric wheel (52) rotates, it can push the movable pressure plate (51) to slide in a direction close to the ear-rolling plug shaft (8).
2. The tool for repairing and shaping a leaf spring ear according to claim 1, characterized in that: The fixing frame (2) is provided with an adjustment assembly (6), the adjustment assembly (6) comprising an adjustment seat (61), a screw rod (62) and an adjustment handle (63), the adjustment seat (61) is slidably connected to the fixing frame (2), the positioning roller (4) is rotationally connected to one end of the adjustment seat (61) close to the ear plug shaft (8), one end of the screw rod (62) penetrates into the fixing frame (2) and is rotationally connected to the adjustment seat (61), and the other end of the screw rod (62) is fixedly connected to the adjustment handle (63).
3. A plastic repair tool for leaf spring ears according to claim 1 or 2, characterized in that: The swing frame (3) is provided with a reset assembly (7), and the reset assembly (7) includes a reset tension spring (71), a first connecting rod (72) and a second connecting rod (73); one end of the movable pressure plate (51) close to the winding ear plug shaft (8) extends out of the swing frame (3); the first connecting rod (72) is fixed to the side wall of the end of the movable pressure plate (51) extending out of the swing frame (3); the second connecting rod (73) is fixed to the outer side wall of the swing frame (3); and the two ends of the reset tension spring (71) are respectively connected to the first connecting rod (72) and the second connecting rod (73).
4. The tool for repairing and shaping a leaf spring ear according to claim 3, characterized in that: Two ear plates (21) are formed on the upper and lower sides of one end of the fixed frame (2) close to the swing frame (3), and bearings (22) are embedded in the side walls of the two ear plates (21) close to each other. Sleeves (31) are provided on the upper and lower sides of one end of the swing frame (3) close to the fixed frame (2), and the two sleeves (31) are located between the two ear plates (21) and correspond to each other. One end of each sleeve (31) is inserted into the inner ring of the bearing (22) of the corresponding ear plate (21), and the ear plug shaft (8) is movably inserted into each ear plate (21) and the sleeve (31).