A riveting force adjusting device of a riveting and feeding machine

Abstract

This utility model belongs to the field of riveting machine technology, and in particular, it is a riveting force adjustment device for a wire riveting feeding machine. Addressing the problems of poor adaptability to workpieces of different sizes and inconvenient riveting pressure adjustment mentioned in the background technology, the following solution is proposed: A base is included, with a frame welded to the top outer wall of the base. A sleeve is fixedly connected to the top outer wall of the base on one side of the frame by screws. A lifting screw is screwed onto the inner wall of the sleeve, and a lifting platform is rotatably connected to the top outer wall of the lifting screw. This utility model drives the lifting screw to rotate spirally within the sleeve by rotating a handle, thereby causing the lifting platform to move vertically along the slide, achieving height adjustment of the lifting platform and improving the equipment's versatility. In the riveting force adjustment component, the distance between the top and bottom pressure plates is adjusted by rotating a screw, which changes the spring compression, achieving quantitative adjustment of the riveting pressure and ensuring stable and reliable connection strength for workpieces of different materials.

Description

Technical Field

[0001] This utility model relates to the field of riveting machine technology, and in particular to a riveting force adjustment device for a wire riveting feeder. Background Technology

[0002] Riveting machines are widely used in the machinery manufacturing industry, primarily for permanently joining two or more workpieces using rivets. Traditional riveting machines typically consist of a frame, cylinder, riveting pin, and a fixed worktable, with the riveting action completed by the cylinder driving the riveting pin downwards. However, existing technology has the following shortcomings:

[0003] Poor adaptability to workpieces of different sizes: Traditional riveting machines have a fixed worktable height, making it difficult to adapt to workpieces of different thicknesses. When processing workpieces with large dimensional differences, frequent fixture changes or equipment adjustments are required, resulting in low production efficiency.

[0004] Inconvenient adjustment of riveting pressure: Existing equipment mostly relies on operators' experience to manually adjust the pressure, lacking a precise control mechanism. The spring pressure adjustment structure is simple and cannot dynamically compensate for pressure fluctuations during the riveting process, easily leading to over- or under-pressure of the rivets, affecting the connection strength. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a riveting force adjustment device for a wire riveting feeder, which overcomes the deficiencies of existing technologies and effectively solves the problems of poor adaptability to workpieces of different sizes and inconvenient adjustment of riveting pressure.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A riveting force adjustment device for a wire riveting feeding machine includes a base, a frame welded to the top outer wall of the base, and a sleeve fixedly connected to the top outer wall of the base on one side of the frame by screws. A lifting screw is screwed onto the inner wall of the sleeve, and a lifting platform is rotatably connected to the top outer wall of the lifting screw. A handle is installed on the outer wall of the lifting platform above the sleeve.

[0008] Both sides of the top outer wall of the lifting platform are equipped with riveting force adjustment components. The riveting force adjustment components include a sleeve welded to the inner wall of the base, a screw threaded to the bottom outer wall of the sleeve, a top pressure plate set on the top outer wall of the screw thread, a bottom pressure plate set on the top of the top pressure plate, and a spring fixedly connected between the top pressure plate and the bottom pressure plate. The top pressure plate and the bottom pressure plate are slidably connected to the inner wall of the sleeve.

[0009] Preferably, a cylinder is fixedly connected to the top outer wall of the frame by screws, and the piston rod of the cylinder is fixedly connected to a connecting plate, with a riveting post installed at the center of the bottom outer wall of the connecting plate.

[0010] Preferably, guide rods are installed at both ends of the bottom outer wall of the connecting plate, and a positioning hole is opened at the center of the top outer wall of the sleeve. The inner diameter of the positioning hole is adapted to the outer diameter of the guide rod, and the guide rod is located directly above the positioning hole.

[0011] Preferably, the top outer wall of the lifting platform is provided with a workpiece placement groove, and the bottom inner wall of the workpiece placement groove is provided with a rivet placement hole, which is located directly above the riveting column.

[0012] Preferably, a slide is fixedly connected to one side of the outer wall of the frame by screws, and the lifting platform is slidably connected to the outer wall of the slide.

[0013] Preferably, an electrical control cabinet is fixedly connected to one outer wall of the frame by screws, and the electrical control cabinet is connected to the cylinder by a signal line.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. The riveting force adjustment device of the riveting feeding machine in this design drives the lifting screw to rotate in the sleeve by rotating the handle, thereby driving the lifting platform to move vertically along the slide. The workpiece placement slot at the top of the lifting platform can adapt to workpieces of different thicknesses according to the height. The rivet placement hole is always aligned with the riveting column to ensure riveting accuracy. The height adjustment of the lifting platform is realized, which improves the versatility of the equipment.

[0016] 2. The riveting force adjustment device of the riveting feeder in this design allows for adjustment of the spring compression by rotating the screw to change the distance between the top and bottom pressure plates. The spring's preload directly acts on the downward pressing process of the riveting pin, forming a dynamic buffer to avoid overload and achieving quantitative adjustment of the riveting pressure, ensuring stable and reliable connection strength for workpieces of different materials. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of a riveting force adjustment device for a wire riveting feeder proposed in this utility model.

[0018] Figure 2 This is an enlarged schematic diagram of part A of the riveting force adjustment device of the wire riveting nail feeding machine proposed in this utility model.

[0019] Figure 3 This is a schematic diagram of the internal connection structure of the riveting force adjustment component of a riveting force adjustment device for a wire riveting nail feeding machine proposed in this utility model.

[0020] In the diagram: 1. Base; 2. Frame; 3. Sleeve; 4. Lifting screw; 5. Handle; 6. Lifting platform; 7. Riveting force adjustment assembly; 71. Sleeve; 72. Lead screw; 73. Top pressure plate; 74. Lower pressure plate; 75. Spring; 8. Positioning port; 9. Cylinder; 10. Connecting plate; 11. Riveting column; 12. Guide rod; 13. Workpiece placement slot; 14. Rivet placement hole; 15. Slide table; 16. Electrical control cabinet. Detailed Implementation

[0021] 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.

[0022] Reference Figures 1-3 Example 1: A riveting force adjustment device for a wire riveting feeding machine includes a base 1. A frame 2 is welded to the top outer wall of the base 1, and a sleeve 3 is fixedly connected to the top outer wall of the base 1 on one side of the frame 2 by screws. A lifting screw 4 is screwed onto the inner wall of the sleeve 3, and a lifting platform 6 is rotatably connected to the top outer wall of the lifting screw 4. A handle 5 is installed on the outer wall of the lifting platform 6 above the sleeve 3.

[0023] The sleeve 3 is fixed to the top of the base 1 by screws. The lifting screw 4 is screwed into the inside of the sleeve 3. The operating handle 5 drives the lifting screw 4 to rotate, so that the lifting platform 6 moves vertically along the guide rail of the slide 15.

[0024] In this embodiment, the lifting screw 4 is driven to rotate spirally inside the sleeve 3 by rotating the handle 5, thereby driving the lifting platform 6 to move vertically along the slide 15. The workpiece placement slot 13 at the top of the lifting platform 6 can adapt to workpieces of different thicknesses as the height changes. The rivet placement hole 14 is always aligned with the riveting column 11 to ensure riveting accuracy. This realizes the height adjustment of the lifting platform 6 and improves the versatility of the equipment.

[0025] In embodiment 2, both sides of the top outer wall of the lifting platform 6 are equipped with riveting force adjustment components 7, and the riveting force adjustment components 7 include a sleeve 71 welded to the inner wall of the base 1, a screw 72 screwed to the bottom outer wall of the sleeve 71, a top pressure plate 73 set on the top outer wall of the screw 72, a bottom pressure plate 74 set on the top of the top pressure plate 73, and a spring 75 fixedly connected between the top pressure plate 73 and the bottom pressure plate 74. The top pressure plate 73 and the bottom pressure plate 74 are both slidably connected to the inner wall of the sleeve 71.

[0026] The sleeve 71 is welded to the inside of the base 1, and the lead screw 72 is screwed to the bottom of the sleeve 71. When the lead screw 72 is rotated, the pressure plate 73 slides up and down along the inner wall of the sleeve 71, compressing or releasing the spring 75. The elastic force of the spring 75 is transmitted to the guide rod 12 through the pressure plate 73, forming an adjustable downward pressure.

[0027] In this embodiment, in the riveting force adjustment assembly 7, the compression of the spring 75 can be changed by rotating the lead screw 72 to adjust the distance between the top pressure plate 73 and the lower pressure plate 74. The preload of the spring 75 acts directly on the downward pressing process of the riveting post 11, forming a dynamic buffer to avoid overload, realizing the quantitative adjustment of the riveting pressure, and ensuring that workpieces of different materials can obtain stable and reliable connection strength.

[0028] A cylinder 9 is fixedly connected to the top outer wall of the frame 2 by screws, and the piston rod of the cylinder 9 is fixedly connected to a connecting plate 10. A riveting post 11 is installed at the center of the bottom outer wall of the connecting plate 10. Guide rods 12 are installed at both ends of the bottom outer wall of the connecting plate 10, and a positioning port 8 is opened at the center of the top outer wall of the sleeve 3. The inner diameter of the positioning port 8 is adapted to the outer diameter of the guide rod 12, and the guide rod 12 is located directly above the positioning port 8. A workpiece placement groove 13 is opened on the top outer wall of the lifting platform 6, and a rivet placement hole 14 is opened on the bottom inner wall of the workpiece placement groove 13. The rivet placement hole 14 is located directly above the riveting post 11.

[0029] The guide rod 12 can be inserted into the sleeve 3 along the positioning port 8 to ensure the stability of the lifting platform 6 during movement. The height of the workpiece placement slot 13 and the rivet placement hole 14 can be adjusted synchronously with the lifting platform 6 to accommodate different workpieces.

[0030] The outer wall of one side of the frame 2 is fixedly connected to the slide table 15 by screws, and the lifting platform 6 is slidably connected to the outer wall of the slide table 15.

[0031] The outer wall of one side of the frame 2 is fixedly connected to the electrical control cabinet 16 by screws, and the electrical control cabinet 16 is connected to the cylinder 9 by a signal line.

[0032] Working principle: The operator first adjusts the height of the lifting platform 6 by turning the handle 5 according to the size and material of the product. Then, the operator sets the compression of the spring 75 by rotating the screw 72 and adjusts the riveting pressure. Then, the rivet is inserted into the rivet placement hole 14 and the workpiece is placed in the workpiece placement slot 13 of the lifting platform 6 so that the rivet is aligned with the riveting post 11.

[0033] After starting the electrical control cabinet 16, the cylinder 9 drives the connecting plate 10 to press down, and the riveting column 11 contacts the rivet and applies a preset pressure. At this time, the guide rod 12 will be inserted into the positioning port 8 to guide the downward pressing direction, and the spring 75 will dynamically absorb the impact and adjust the riveting force. After the riveting is completed, the cylinder 9 will reset and the workpiece will be removed.

[0034] 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 riveting force adjustment device for a wire riveting feeder, comprising a base (1), characterized in that, The base (1) has a frame (2) welded to its top outer wall, and a sleeve (3) is fixedly connected to the top outer wall of the base (1) on one side of the frame (2) by screws. A lifting screw (4) is screwed onto the inner wall of the sleeve (3), and a lifting platform (6) is rotatably connected to the top outer wall of the lifting screw (4). A handle (5) is installed on the outer wall of the lifting platform (6) above the sleeve (3). Both sides of the top outer wall of the lifting platform (6) are equipped with riveting force adjustment components (7), and the riveting force adjustment components (7) include a sleeve (71) welded to the inner wall of the base (1), a screw (72) screwed to the bottom outer wall of the sleeve (71), a top pressure plate (73) set on the top outer wall of the screw (72), a bottom pressure plate (74) set on the top of the top pressure plate (73), and a spring (75) fixedly connected between the top pressure plate (73) and the bottom pressure plate (74). The top pressure plate (73) and the bottom pressure plate (74) are slidably connected to the inner wall of the sleeve (71).

2. The riveting force adjustment device for a wire riveting feeder according to claim 1, characterized in that, The top outer wall of the frame (2) is fixedly connected to a cylinder (9) by screws, and the piston rod of the cylinder (9) is fixedly connected to a connecting plate (10). A riveting column (11) is installed at the center of the bottom outer wall of the connecting plate (10).

3. The riveting force adjustment device for a wire riveting feeder according to claim 2, characterized in that, Guide rods (12) are installed at both ends of the bottom outer wall of the connecting plate (10), and a positioning port (8) is opened at the center of the top outer wall of the sleeve (3). The inner diameter of the positioning port (8) is matched with the outer diameter of the guide rod (12), and the guide rod (12) is located directly above the positioning port (8).

4. The riveting force adjustment device for a wire riveting feeder according to claim 1, characterized in that, The lifting platform (6) has a workpiece placement groove (13) on its top outer wall and a rivet placement hole (14) on its bottom inner wall. The rivet placement hole (14) is located directly above the riveting column (11).

5. The riveting force adjustment device for a wire riveting feeder according to claim 1, characterized in that, The frame (2) has a slide (15) fixedly connected to one side of the outer wall by screws, and the lifting platform (6) is slidably connected to the outer wall of the slide (15).

6. The riveting force adjustment device for a wire riveting feeder according to claim 1, characterized in that, The frame (2) has an electrical control cabinet (16) fixedly connected to one outer wall by screws, and the electrical control cabinet (16) is connected to the cylinder (9) by a signal line.

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