A punching hexagonal feeding fixture

Abstract

This utility model belongs to the field of metal processing technology, and in particular, it relates to a feeding fixture for punching hexagonal shapes. It includes a support platform, with a forming component positioned symmetrically at the upper end of the support platform. A feeding mechanism is mounted on the upper surface of the support platform, and an auxiliary box is positioned above the feeding mechanism. Hydraulic rods are symmetrically connected to the upper end of the auxiliary box, and a support rod is fixedly connected to the upper end of each hydraulic rod. The lower end of each support rod is fixedly connected to one side of the support platform. This feeding fixture, through a linkage structure of a push rod, a rotating rod, an adjusting rod, and a T-shaped rod, utilizes the fit between the lower pin-shaped body of the adjusting rod and the rotating rod, along with the T-shaped rod supporting the rotation of the rotating rod. This allows for precise control of the sliding stroke of the push rod within the guide rod groove, achieving stable and quantitative feeding of the workpiece to the forming component. This avoids errors and safety hazards associated with manual feeding, significantly improving feeding accuracy and processing consistency.

Description

Technical Field

[0001] This utility model relates to the field of metal processing technology, and in particular to a punching hexagonal feeding fixture. Background Technology

[0002] In the processing of hardware parts, hexagonal structures are common connecting components, and their forming largely relies on stamping processes. Currently, for the stamping of hexagonal shapes from rod-shaped or tubular workpieces, the feeding process generally suffers from low automation and insufficient positioning accuracy: traditional feeding methods often rely on manual pushing or simple mechanical transmission, and the workpiece is prone to shifting due to uneven force during transport, resulting in deviations in the symmetry of the hexagonal shape during stamping, exceeding dimensional tolerances, and a high scrap rate; at the same time, manual feeding requires strict coordination with the stamping action, which is not only labor-intensive but also poses a safety hazard of accidental hand injury from stamped parts. In addition, the existing feeding fixture has imperfect lubrication and buffer design. The frictional resistance between the workpiece and the conveying track will increase with the processing time, which will easily cause scratches on the workpiece surface. Moreover, the linkage between the feeding mechanism and the stamping forming parts is poor. It is impossible to adjust the pushing speed and limiting force in real time according to the workpiece specifications. The adaptability is weak and it is difficult to meet the requirements of processing efficiency and consistency in mass production.

[0003] To address the above problems, this utility model proposes a punching hexagonal feeding fixture. Utility Model Content

[0004] To address the problem of poor linkage between existing feeding mechanisms and stamping components, this invention proposes a punching hexagonal feeding fixture.

[0005] This utility model proposes a punching hexagonal feeding fixture, including a support platform. A forming component is arranged at an axially symmetrical position on the upper end of the support platform. A feeding mechanism is arranged on the upper surface of the support platform. An auxiliary box is arranged above the feeding mechanism. Hydraulic rods are symmetrically connected to the upper end of the auxiliary box. A support rod is fixedly connected to the upper end of each hydraulic rod. The lower end of the support rod is fixedly connected to one side of the support platform. A workpiece is slidably connected to one side of the feeding mechanism. A lubricating oil bottle is arranged above the feeding mechanism and is located on one side of the auxiliary box. The feeding mechanism includes an L-shaped guide rod, one end of which is in contact with the outer surface of the forming component.

[0006] Preferably, the upper surface of the guide rod is provided with a groove adapted to the workpiece, and a push rod is slidably connected to the inner wall of the groove. One end of the push rod is rotatably connected to a rotating rod. A T-shaped rod is fixedly connected to the upper surface of the support platform. The upper end of the T-shaped rod is rotatably connected to the rod body of the rotating rod. An adjusting rod is fixedly connected to the side of the auxiliary box. The upper end of the adjusting rod is slidably connected to the upper end of the rotating rod. The lower end of the adjusting rod is configured as a pin-shaped rod body, and the lower end of the adjusting rod is in contact with the side of the rotating rod.

[0007] Preferably, the upper end of the molding component is provided with a limiting rod, one end of which is adapted to the outer surface of the workpiece, one end of which is rotatably connected to a vertical rod, the lower end of which is fixedly connected to the upper surface of the support platform, a spring plate is fixedly connected to the rod body of the limiting rod, a spring is fixedly connected to one side of the spring plate, a support plate is fixedly connected to one end of the spring, the lower end of the support plate is fixedly connected to the upper surface of the support platform, one end of the spring plate is circular, a gyroscope column is slidably connected to the side of the circular plate of the spring plate, and the upper end of the gyroscope column is fixedly connected to the lower end of the auxiliary box.

[0008] Preferably, a sliding rod is fixedly connected to one side of the guide rod, and a groove is formed on the upper surface of the sliding rod. The inner wall of the groove is slidably connected to the lower surface of the workpiece, and the inner wall of the groove is fixedly connected to the inner wall of the slide groove.

[0009] Preferably, the inner wall of the groove and the inner wall of the recess are both coated with a lubricating layer.

[0010] The beneficial effects of this utility model are as follows: 1. By setting up a linkage structure of push rod, rotating rod, adjusting rod and T-shaped rod: by using the fit between the pin-shaped rod at the lower end of the adjusting rod and the rotating rod, and with the T-shaped rod supporting the rotation of the rotating rod, the sliding stroke of the push rod in the guide rod groove can be precisely controlled, so as to realize the stable and quantitative push of the work material to the forming part, avoid the error and safety hazards of manual feeding, and greatly improve the feeding accuracy and processing consistency.

[0011] 2. By setting up a coordinating assembly of a limit rod, a spring plate, a spring, and a gyroscope, the limit rod rotates along the upright to laterally limit the workpiece; the spring plate, in conjunction with the spring, provides elastic buffering for the workpiece conveying, offsetting the feeding impact; the gyroscope is connected to the auxiliary box, and its unique structure assists the spring plate in resetting and optimizing the limit angle. The three work together to ensure the stability of the workpiece's posture before molding, reducing the external hexagonal molding defects caused by workpiece deviation, while protecting the molding parts and the workpiece surface from rigid collision damage. Attached Figure Description

[0012] Figure 1This is a schematic diagram of a punching hexagonal feeding fixture proposed in this utility model; Figure 2 This is a diagram showing the position of the forming component of a punching hexagonal feeding fixture proposed in this utility model; Figure 3 This utility model proposes a punching hexagonal feeding fixture. Figure 2 Enlarged view of point A in the middle; Figure 4 This utility model provides a diagram showing the position of a lubricating oil bottle in a punched hexagonal feeding fixture. Figure 5 This utility model proposes a punching hexagonal feeding fixture. Figure 4 Enlarged view of point B in the middle.

[0013] In the diagram: 1. Support platform; 2. Molding component; 3. Feeding mechanism; 31. Guide rod; 32. Push rod; 33. Rotating rod; 34. T-shaped rod; 35. Adjusting rod; 36. Limiting rod; 37. Vertical pole; 38. Spring plate; 39. Spring; 310. Support plate; 311. Gyroscope column; 312. Sliding rod; 4. Auxiliary box; 5. Hydraulic rod; 6. Support rod; 7. Materials; 8. Lubricating oil bottle. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0015] Reference Figures 1-5 A punching hexagonal feeding fixture includes a support platform 1. A forming component 2 is arranged at an axisymmetric position on the upper end of the support platform 1. A feeding mechanism 3 is arranged on the upper surface of the support platform 1. An auxiliary box 4 is arranged above the feeding mechanism 3. Hydraulic rods 5 are symmetrically connected to the upper end of the auxiliary box 4. A support rod 6 is fixedly connected to the upper end of each hydraulic rod 5. The lower end of the support rod 6 is fixedly connected to one side of the support platform 1. A workpiece 7 is slidably connected to one side of the feeding mechanism 3. A lubricating oil bottle 8 is arranged above the feeding mechanism 3 and is located on one side of the auxiliary box 4. The feeding mechanism 3 includes an L-shaped guide rod 31. One end of the guide rod 31 is in contact with the outer surface of the forming component 2.

[0016] In this embodiment, the upper surface of the guide rod 31 is provided with a groove that is compatible with the workpiece 7. The inner wall of the groove is slidably connected to a push rod 32. One end of the push rod 32 is rotatably connected to a rotating rod 33. The upper surface of the support platform 1 is fixedly connected to a T-shaped rod 34. The upper end of the T-shaped rod 34 is rotatably connected to the rod body of the rotating rod 33. The side of the auxiliary box 4 is fixedly connected to an adjusting rod 35. The upper end of the adjusting rod 35 is slidably connected to the upper end of the rotating rod 33. The lower end of the adjusting rod 35 is set as a pin-shaped rod body. The lower end of the adjusting rod 35 is in contact with the side of the rotating rod 33.

[0017] Specifically, the sliding connection between the adjusting rod 35 and the rotating rod 33 is smoothly linked to ensure a smooth and uninterrupted adjustment process. When the hydraulic rod 5 drives the auxiliary box 4 to move up and down, the adjusting rod 35 rises and falls synchronously with the auxiliary box 4. Its lower end pin-shaped rod body, through its contact with the side of the rotating rod 33, pushes the rotating rod 33 to rotate around the upper end of the T-shaped rod 34 as a fulcrum, thereby pushing the push rod 32 to slide in the groove opened at the upper end of the guide rod 31.

[0018] In this embodiment, a limiting rod 36 is provided at the upper end of the molding component 2. One end of the limiting rod 36 is adapted to the outer side of the workpiece 7. A vertical rod 37 is rotatably connected to one end of the limiting rod 36. The lower end of the vertical rod 37 is fixedly connected to the upper surface of the support platform 1. A spring plate 38 is fixedly connected to the rod body of the limiting rod 36. A spring 39 is fixedly connected to one side of the spring plate 38. A support plate 310 is fixedly connected to one end of the spring 39. The lower end of the support plate 310 is fixedly connected to the upper surface of the support platform 1. One end of the spring plate 38 is circular. A gyroscope column 311 is slidably connected to the side of the circular plate of the spring plate 38. The upper end of the gyroscope column 311 is fixedly connected to the lower end of the auxiliary box 4.

[0019] Specifically, the end of the limiting rod 36 that matches the outer side of the workpiece 7 adopts an arc-shaped groove design. The inner wall of the groove is attached with a wear-resistant rubber pad. This not only forms a lateral constraint by tightly fitting the surface of the workpiece 7 through the arc-shaped contour, but also avoids scratches on the outer surface of the workpiece 7 caused by rigid contact. The limiting rod 36 uses the upright rod 37 as the rotation fulcrum and can rotate at a small angle according to the change in the diameter of the workpiece 7, so as to realize adaptive limiting for workpieces of different specifications.

[0020] The connection between the spring plate 38 and the limiting rod 36 is fixed by welding. The edge of its circular plate-shaped end is polished to form a smooth arc surface, maintaining line contact and sliding with the outer surface of the gyroscope column 311. When the auxiliary box 4 moves downward under the drive of the hydraulic rod 5, the gyroscope column 311 is pressed down accordingly. Its inclined cylindrical surface will generate a lateral thrust on the circular plate of the spring plate 38, forcing the spring plate 38 to drive the limiting rod 36 to rotate closer to the workpiece 7. At this time, the spring 39 is compressed and stores elastic potential energy. When the auxiliary box 4 rises, the pressure of the gyroscope column 311 is released, the spring 39 releases its potential energy to push the spring plate 38 back to its original position, and the limiting rod 36 moves away from the workpiece 7, making room for the conveying of the workpiece 7. In this embodiment, a slide rod 312 is fixedly connected to one side of the guide rod 31. A groove is provided on the upper surface of the slide rod 312. The inner wall of the groove is slidably connected to the lower surface of the workpiece 7. The inner wall of the groove is fixedly connected to the inner wall of the slide groove.

[0021] Specifically, the slide rod 312 and the guide rod 31 are manufactured using an integral molding process to ensure the structural strength of the connection between the two and to avoid breakage or loosening after long-term stress. The groove depth on the upper surface of the slide rod 312 is slightly greater than one-third of the diameter of the workpiece 7. Inclined guide ramps are provided on the inner walls of both sides of the groove. When the workpiece 7 is transported from the outside to the slide rod 312, the guide ramps can guide the workpiece 7 to fall accurately into the groove, preventing the workpiece 7 from getting stuck or deviating when entering the groove.

[0022] In this embodiment, both the inner wall of the chute and the inner wall of the groove are coated with a lubricating layer; Specifically, the lubricating layer is a polytetrafluoroethylene solid lubricating coating, which is uniformly covered on the inner wall surface of the groove and the recess by electrostatic spraying process, with a thickness controlled between 0.05-0.1mm. In particular, the lubricating layer is thickened at the arc transition between the groove and the recess.

[0023] principle: The workpiece 7 is slid along the groove of the slide bar 312 into the groove of the guide bar 31. At the same time, the lubricating oil bottle 8 is opened, and the lubricating oil flows out slowly to lubricate the workpiece 7. The hydraulic rod 5 drives the auxiliary box 4 to rise, which in turn drives the adjusting rod 35 to push the rotating rod 33 to rotate along the T-shaped rod 34. Furthermore, the rotating rod 33 drives the push rod 32 at its lower end to move along the groove, pushing the workpiece 7 located in the groove directly above the forming part 2. At this time, the limiting rod 36 blocks the workpiece 7, so that it is exactly above the forming part 2. When the auxiliary box 4 descends to perform stamping, the descending gyroscope 311 squeezes the arc surface of the upper end of the spring plate 38. The limiting rod 36 is squeezed and rotates along the upright rod 37, moving away from the vicinity of the forming part 2. The feeding is thus completed.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A punching hexagonal feeding fixture, comprising a support platform (1), wherein a forming component (2) is provided at an axisymmetric position on the upper end of the support platform (1), characterized in that: The upper surface of the support platform (1) is provided with a feeding mechanism (3), and an auxiliary box (4) is provided above the feeding mechanism (3). Hydraulic rods (5) are symmetrically connected to the upper end of the auxiliary box (4). A support rod (6) is fixedly connected to the upper end of each hydraulic rod (5). The lower end of the support rod (6) is fixedly connected to one side of the support platform (1). A material (7) is slidably connected to one side of the feeding mechanism (3). A lubricating oil bottle (8) is provided above the feeding mechanism (3). The lubricating oil bottle (8) is located on one side of the auxiliary box (4). The feeding mechanism (3) includes an L-shaped guide rod (31). One end of the guide rod (31) is in contact with the outer side of the molding part (2).

2. The punching hexagonal feeding fixture according to claim 1, characterized in that: The upper surface of the guide rod (31) is provided with a groove that is compatible with the work material (7). The inner wall of the groove is slidably connected to a push rod (32). One end of the push rod (32) is rotatably connected to a rotating rod (33). The upper surface of the support platform (1) is fixedly connected to a T-shaped rod (34). The upper end of the T-shaped rod (34) is rotatably connected to the rod body of the rotating rod (33). The side of the auxiliary box (4) is fixedly connected to an adjusting rod (35). The upper end of the adjusting rod (35) is slidably connected to the upper end of the rotating rod (33). The lower end of the adjusting rod (35) is set as a pin-shaped rod body. The lower end of the adjusting rod (35) is in contact with the side of the rotating rod (33).

3. The punching hexagonal feeding fixture according to claim 2, characterized in that: The upper end of the molding component (2) is provided with a limiting rod (36). One end of the limiting rod (36) is adapted to the outer side of the workpiece (7). One end of the limiting rod (36) is rotatably connected to a vertical rod (37). The lower end of the vertical rod (37) is fixedly connected to the upper surface of the support platform (1). The rod body of the limiting rod (36) is fixedly connected to a spring plate (38).

4. The punching hexagonal feeding fixture according to claim 3, characterized in that: A spring (39) is fixedly connected to one side of the spring plate (38), and a support plate (310) is fixedly connected to one end of the spring (39). The lower end of the support plate (310) is fixedly connected to the upper surface of the support platform (1). One end of the spring plate (38) is provided with a circular plate shape. A gyroscope column (311) is slidably connected to the side of the circular plate of the spring plate (38). The upper end of the gyroscope column (311) is fixedly connected to the lower end of the auxiliary box (4).

5. The punching hexagonal feeding fixture according to claim 4, characterized in that: A slide rod (312) is fixedly connected to one side of the guide rod (31). A groove is provided on the upper surface of the slide rod (312). The inner wall of the groove is slidably connected to the lower surface of the workpiece (7). The inner wall of the groove is fixedly connected to the inner wall of the slide groove.

6. The punching hexagonal feeding fixture according to claim 5, characterized in that: The inner walls of both the chute and the groove are coated with a lubricating layer.

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