Conical tube crimping and welding device

Abstract

The utility model discloses a kind of conical cylinder curling welding devices, belong to exhaust muffler processing field, including machine table, conical male die and lifting hole are arranged on machine table, Z direction movement assembly is equipped below lifting hole, the upper end of Z direction movement assembly is equipped with push block;X direction movement assembly is equipped on machine table, the movement end of X direction movement assembly is equipped with receiving table;Conical male die two sides are symmetrically equipped with Y direction movement assembly, the movement end of Y direction movement assembly is equipped with side push block;Machine table is also equipped with sliding assembly, the movement end of sliding assembly is stretched to the above conical male die and is equipped with welding torch.The beneficial effects of the present application are: receiving table is transmitted to the below conical male die to the plate material to be curled, push block is lifted to the plate material to be curled and conical male die is cooperated to carry out preliminary bending, two sides side push block promotes the both ends of plate material to be curled to close, finally through welding torch and is welded, degree of automation is high, the shape and bending amplitude of conical cylinder can be accurately controlled, improve welding quality and production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of exhaust muffler processing, specifically to a conical cylinder curling and welding device. Background Technology

[0002] An exhaust muffler is a device installed on the exhaust pipe of a motorcycle to reduce noise by allowing airflow to pass through it. It has a sound-absorbing chamber inside and is filled with various sound-absorbing materials. The airflow from the engine passes through the sound-absorbing chamber and baffles in the muffler and repeatedly circulates, gradually reducing the noise and achieving the purpose of noise reduction, thus avoiding problems such as disturbing the peace.

[0003] The exhaust muffler structure includes a conical section and a straight section. In the existing technology, the straight section and the conical section need to be formed by bending metal sheets into a cylindrical shape and then manually welding them together. This has a low degree of automation and high labor intensity. Moreover, bending the conical section is difficult, and it is hard to accurately control the shape and bending range of the conical section, resulting in low welding efficiency and unstable welding quality. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the existing technology, the technical problem to be solved by this utility model is: how to improve the automation and production efficiency of conical cylinders and reduce labor intensity.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a conical cylinder curling and welding device, including a machine table, a conical punch horizontally arranged above the machine table, a lifting hole opened on the machine table surface below the conical punch, a Z-axis motion component vertically arranged below the lifting hole, a push block arranged at the upper end of the Z-axis motion component, and a groove that mates with the lower outer wall of the conical punch on the top surface of the push block, so that the push block can be driven to pass through the lifting hole from bottom to top through the Z-axis motion component; The machine platform is also equipped with an X-axis motion component. The movement direction of the X-axis motion component is consistent with the center line of the projection of the conical punch on the machine platform, and one end extends to the space between the conical punch and the lifting hole. The moving end of the X-axis motion component is equipped with a receiving platform for placing the sheet material to be rolled. The receiving platform has a clearance notch for the push block to pass through vertically. The X-axis motion component can drive the receiving platform to move between the conical punch and the lifting hole. Y-axis motion components are symmetrically arranged on the left and right sides of the central axis of the conical punch. The movement direction of the Y-axis motion components is perpendicular to the central axis of the conical punch. The moving end of the Y-axis motion components is provided with side push blocks that cooperate with the left and right outer walls of the conical punch. The Y-axis motion components can drive the side push blocks to move towards the conical punch. The machine base is also equipped with a sliding component. The movement direction of the sliding component is consistent with the movement direction of the X-axis movement component. The moving end of the sliding component extends above the conical punch and is equipped with a welding gun.

[0006] The beneficial effects of this solution are as follows: the receiving platform transfers the sheet material to be rolled to the bottom of the conical punch, the push block lifts the sheet material to be rolled up and cooperates with the conical punch for initial bending, the side push blocks on both sides push the two ends of the sheet material to be rolled to close, and finally welding is performed by the welding gun. The solution has a high degree of automation, can accurately control the shape and bending range of the conical cylinder, and improves welding quality and production efficiency.

[0007] Preferably, the Z-axis motion component includes a mounting frame and a first telescopic cylinder. The first telescopic cylinder is fixed to the bottom of the machine base by the mounting frame, and the telescopic end of the first telescopic cylinder passes through the mounting frame from bottom to top and is fixedly connected to the bottom surface of the push block.

[0008] The advantages of adopting the above preferred solution are: the first telescopic cylinder pushes the push block to rise and fall, the push block cooperates with the conical punch to perform initial bending of the rolled plate, the cylinder applies stable force, the bending range of the plate is controllable, and the product consistency is good.

[0009] Preferably, the X-axis motion assembly includes an X-axis slide rail, an X-axis slide table, and a second telescopic cylinder. The X-axis slide rail is fixedly mounted on the top surface of the machine and one end extends between the conical punch and the lifting hole. The X-axis slide table is slidably mounted on the X-axis slide rail. The receiving platform is fixedly mounted on the X-axis slide table. The X-axis slide table has a clearance opening for the push block to pass through vertically. The second telescopic cylinder is fixedly installed on the top surface of the machine. The telescopic end of the second telescopic cylinder is fixedly connected to the X-axis slide table and the telescopic direction is parallel to the X-axis slide rail.

[0010] The advantages of adopting the above-mentioned preferred solution are: the second telescopic cylinder drives the receiving platform to feed materials back and forth, improving the degree of automation and reducing the labor intensity of workers.

[0011] Preferably, the receiving platform further includes two support platforms, which are located on both sides of the clearance notch. Each support platform has a receiving groove on its upper side, and the receiving groove extends through one adjacent side of the two support platforms and cooperates to form a positioning groove for placing the board to be rolled.

[0012] The advantages of adopting the above-mentioned preferred solution are: it assists in positioning when placing the board, enabling it to be placed more accurately in the working position; it also prevents the board to be rolled from slipping when the push block rises and contacts the board to be rolled.

[0013] Preferably, the Y-axis motion assembly includes a Y-axis slide rail, a Y-axis slide table, and a third telescopic cylinder. The Y-axis slide rail is fixedly mounted on the top surface of the machine tool and its length direction is perpendicular to the central axis of the conical punch. The Y-axis slide table is slidably mounted on the Y-axis slide rail, and the side push block is fixedly mounted on the Y-axis slide table. The third telescopic cylinder is fixedly mounted on the top surface of the machine platform. The telescopic end of the third telescopic cylinder is fixedly connected to the Y-axis slide table and the telescopic direction is parallel to the Y-axis slide rail.

[0014] The advantages of adopting the above preferred solution are: the third telescopic cylinder pushes the side push block, and the side push blocks on both sides close the two ends of the sheet material to be rolled. The cylinder applies stable force, the bending range of the sheet material is controllable, and the product consistency is good.

[0015] Preferably, the side of the push block near the conical punch is an inclined surface and protrudes into the Y-axis slide, and the edge of the inclined surface is in clearance fit with the upper side of the conical punch in the vertical direction.

[0016] The advantages of adopting the above preferred solution are: the gap between the inclined surface of the side push block and the conical punch can accommodate the thickness of the sheet metal, making it easy for the two push blocks to close and completely bend the sheet metal.

[0017] Preferably, the upper side of the tapered punch is located on a horizontal plane, and the inclined edge of the side push block is also located on a horizontal plane.

[0018] The advantages of adopting the above preferred solution are: the tapered punch is installed at an angle so that the upper side is on a horizontal plane and the push blocks on both sides are installed horizontally, which can reduce the assembly difficulty.

[0019] Preferably, the axis of the tapered punch is located in the horizontal plane, and the inclined edge of the side push block is parallel to the upper side surface of the tapered punch.

[0020] The advantages of adopting the above preferred scheme are: the conical punch is installed horizontally along its axis, and the push blocks on both sides are installed at an angle, making the processing of the conical punch simpler.

[0021] Preferably, the sliding assembly includes a first slide rail and a first slide table. The first slide rail is fixedly disposed on the top surface of the machine base and parallel to the upper side of the conical punch. The first slide table is slidably mounted on the first slide rail, and one end of the first slide table extends above the conical punch and is provided with a welding torch.

[0022] The advantages of adopting the above-mentioned preferred scheme are: the welding torch is driven to reciprocate through the first slide rail and the first slide table, resulting in good stability, higher welding efficiency, and higher welding quality.

[0023] Preferably, a fixed seat is fixedly provided on the machine table surface, and a vertical groove is vertically opened on the side of the fixed seat facing the lifting hole, and the end of the conical punch with a larger diameter is horizontally installed in the vertical groove.

[0024] The advantages of adopting the above preferred solution are: the tapered punch can be adjusted up and down along the vertical groove and can be disassembled and replaced, making it suitable for plates of different thicknesses. Attached Figure Description

[0025] Appendix Figure 1 This is a schematic diagram of the overall design of this utility model; Appendix Figure 2 This is a schematic diagram of the Y-axis motion component of this utility model; Appendix Figure 3 This is a schematic diagram of the Z-axis motion component of this utility model; Appendix Figure 4 This is a schematic diagram of the X-axis motion component of this utility model; Appendix Figure 5 This is a schematic diagram of the receiving platform of this utility model; Appendix Figure 6 This is a schematic diagram of the fourth telescopic cylinder of this utility model; Appendix Figure 7 This is a schematic diagram of the installation of the conical punch of this utility model.

[0026] Explanation of reference numerals in the attached drawings: 1. Machine base; 2. Conical punch; 3. Z-axis motion assembly; 4. X-axis motion assembly; 5. Y-axis motion assembly; 6. Sliding assembly; 7. Lifting hole; 8. Push block; 9. Groove; 10. Receiving platform; 11. Clearance notch; 12. Side push block; 13. Welding torch; 14. Receiving groove; 15. Fixed base; 16. Fourth telescopic cylinder; 17. Connecting plate; 18. Connecting rod; 19. Push plate; 20. Round hole; 21. Support platform; 22. Vertical slide groove; 301. Mounting bracket; 302. First telescopic cylinder; 401. X-axis slide rail; 402. X-axis slide table; 403. Second telescopic cylinder; 404. Clearance port; 501. Y-axis slide rail; 502. Y-axis slide table; 601, First slide rail; 602, First slide table. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0028] Example 1 like Figures 1 to 2 As shown, a conical cylinder coiling and welding device includes a machine platform 1. A conical punch 2 is horizontally arranged above the machine platform 1. A lifting hole 7 is opened on the table surface of the machine platform 1 below the conical punch 2. A Z-axis motion component 3 is vertically arranged below the lifting hole 7. A push block 8 is arranged at the upper end of the Z-axis motion component 3. A groove 9 is opened on the top surface of the push block 8 to cooperate with the lower outer wall of the conical punch 2. The Z-axis motion component 3 can drive the push block 8 to pass through the lifting hole 7 from bottom to top. The machine base 1 is also equipped with an X-axis motion component 4. The movement direction of the X-axis motion component 4 is consistent with the center line of the projection of the conical punch 2 on the table surface of the machine base 1, and one end extends to the space between the conical punch 2 and the lifting hole 7. The moving end of the X-axis motion component 4 is provided with a receiving platform 10 for placing the sheet material to be rolled. The receiving platform 10 is provided with a clearance notch 11 for the push block 8 to pass through vertically. The X-axis motion component 4 can drive the receiving platform 10 to move between the conical punch 2 and the lifting hole 7. Y-axis motion components 5 are symmetrically arranged on the left and right sides of the central axis of the conical punch 2. The movement direction of the Y-axis motion components 5 is perpendicular to the central axis of the conical punch 2. The moving end of the Y-axis motion components 5 is provided with side push blocks 12 that cooperate with the left and right outer walls of the conical punch 2. The Y-axis motion components 5 can drive the side push blocks 12 to move towards the conical punch 2. The machine base 1 is also provided with a sliding component 6. The movement direction of the sliding component 6 is consistent with the movement direction of the X-axis movement component 4. The moving end of the sliding component 6 extends above the conical punch 2 and is provided with a welding gun 13.

[0029] like Figures 1 to 2As shown, a fixed seat 15 is fixedly provided on the table surface of the machine base 1. A vertical groove 22 is vertically opened on the side of the fixed seat 15 facing the lifting hole 7. The larger diameter end of the conical punch 2 is horizontally installed in the vertical groove 22.

[0030] With attachment Figure 1 With machine 1 as a reference, the Z-axis motion component 3 moves in a direction perpendicular to the table surface of machine 1; the X-axis motion component 4 moves in a forward-backward direction of machine 1 and is perpendicular to the Z-axis motion component 3; the two Y-axis motion components 5 move in a left-right direction of machine 1 and are perpendicular to the X-axis motion component 4.

[0031] In this embodiment, the muffler of the motorcycle exhaust pipe consists of multiple conical cylinders and straight cylinders. It requires bending the metal sheet into a conical shape and then welding it. The size of the conical punch 2 determines the size of the rolled-out conical cylinder, which can be replaced as needed. The larger diameter end of the conical punch 2 is slidably installed in the vertical slide groove 22 and fixed by screws. When it is necessary to adjust up or down or replace it, the screws can be removed.

[0032] Specific working process: In the initial state, the Z-axis motion component 3 is located below the machine base 1, the X-axis motion component 4 is located in front of the machine base 1, the two Y-axis motion components 5 are located on the left and right sides of the machine base 1 respectively, and the sliding component 6 is located behind the conical punch 2. The sheet material to be rolled is pre-cut into a fan shape. The operator places the sheet material on the receiving platform 10. Then, the X-axis motion component 4 moves to the rear of the machine platform 1, driving the receiving platform 10 to move between the conical punch 2 and the lifting hole 7 and then stops. Then, the Z-axis motion component 3 rises, and the push block 8 passes through the clearance notch 11 and lifts the sheet material to be rolled up to abut against the lower side of the conical punch 2. Since the top surface of the push block 8 has a groove 9 that matches the outer contour of the lower side of the conical punch 2, and the inner diameter of the groove 9 is larger than the outer diameter of the conical punch 2 by the thickness of a sheet material, the conical punch 2 gradually enters the groove 9 during the rising process of the push block 8, and also presses the sheet material to be rolled into the groove 9. At this time, the cross-section of the sheet material to be rolled is "U" shaped, with its two ends raised and the middle part attached to the outer peripheral wall of the conical punch 2. Then, the Y-axis motion components 5 on the left and right sides approach the conical punch 2, and the push blocks 12 on both sides contact the two ends of the plate to be rolled up and push them towards the upper side of the conical punch 2 until the two ends of the plate to be rolled up are joined together. At this time, the plate to be rolled up is completely wrapped around the conical punch 2, and the joint is on the upper side of the conical punch 2. Finally, the sliding component 6 drives the welding torch 13 to move towards the front of the machine platform 1. The welding torch 13 passes through the joint of the plate to be rolled and welds the two ends of the plate to be rolled together, thus completing the conical cylinder rolling welding work. The Z-axis motion component 3, X-axis motion component 4, Y-axis motion component 5 and sliding component 6 all retract, and the workers remove the conical cylinder.

[0033] Based on this embodiment, such as Figure 6 and Figure 7 As shown, a fourth telescopic cylinder 16 is also provided on the rear side of the machine base 1. The telescopic direction of the fourth telescopic cylinder 16 is consistent with the axis of the conical punch 2. A connecting plate 17 is fixedly provided at the telescopic end of the fourth telescopic cylinder 16. Two connecting rods 18 are fixedly provided on the front side of the connecting plate 17. The two connecting rods 18 extend from the left and right sides of the fixed seat 15 to the position of the conical punch 2, and a push plate 19 is fixedly provided thereon. A round hole 20 is provided on the push plate 19, and the push plate 19 is sleeved on the conical punch 2 through the round hole 20. The diameter of the round hole 20 is larger than the large end diameter of the conical punch 2. After the conical cylinder is rolled and welded, the Z-axis motion component 3, X-axis motion component 4, Y-axis motion component 5 and sliding component 6 are all retracted, the fourth telescopic cylinder 16 extends, driving the connecting plate 17 to move forward. The connecting plate 17 drives the connecting rod 18 to move forward, and the connecting rod 18 drives the push plate 19. The push plate 19 pushes the welded conical cylinder out of the conical punch 2, completing the part removal action and improving the degree of automation.

[0034] Example 2 like Figure 3 As shown, the Z-axis motion component 3 includes a mounting frame 301 and a first telescopic cylinder 302. The first telescopic cylinder 302 is fixed to the bottom of the machine base 1 by the mounting frame 301. The telescopic end of the first telescopic cylinder 302 passes through the mounting frame 301 from bottom to top and is fixedly connected to the bottom surface of the push block 8.

[0035] In this embodiment, the mounting frame 301 is fixed to the bottom surface of the machine base 1 by four guide columns and is located directly below the lifting hole 7; the bottom surface of the push block 8 is also fixed with a support plate, and guide sleeves are installed at the four corners of the support plate. The four guide sleeves are fitted on the four guide columns and have a certain guiding function; the first telescopic cylinder 302 is fixed to the bottom surface of the mounting frame 301, and the telescopic end of the first telescopic cylinder 302 passes through the mounting frame 301 from bottom to top and is fixedly connected to the bottom surface of the support plate.

[0036] The first telescopic cylinder 302 pushes the push block 8 up and down. The push block 8, together with the conical punch 2, performs initial bending on the rolled sheet material. The cylinder applies stable force, the bending range of the sheet material is controllable, and the product consistency is good.

[0037] As a parallel technical solution in this embodiment, the first telescopic cylinder 302 can also be replaced with other components with telescopic functions, such as hydraulic cylinders, telescopic rods, etc.

[0038] Example 3 like Figure 4 and Figure 5 As shown, the X-axis motion assembly 4 includes an X-axis slide rail 401, an X-axis slide table 402, and a second telescopic cylinder 403. The X-axis slide rail 401 is fixedly mounted on the top surface of the machine base 1 and one end extends between the conical punch 2 and the lifting hole 7. The X-axis slide table 402 is slidably mounted on the X-axis slide rail 401. The receiving platform 10 is fixedly mounted on the X-axis slide table 402. The X-axis slide table 402 has a clearance opening 404 for the push block 8 to pass through vertically. The second telescopic cylinder 403 is fixedly installed on the top surface of the machine base 1. The telescopic end of the second telescopic cylinder 403 is fixedly connected to the X-direction slide table 402 and the telescopic direction is parallel to the X-direction slide rail 401.

[0039] like Figure 4 and Figure 5 As shown, the receiving platform 10 also includes two support platforms 21, which are located on both sides of the clearance notch 11. Each of the two support platforms 21 has a receiving groove 14 on its upper side, and the receiving groove 14 passes through the adjacent side of the two support platforms 21 and cooperates to form a positioning groove for placing the board to be rolled.

[0040] In this embodiment, the sheet material to be rolled is pre-cut into a fan shape, which can be better rolled into a conical cylinder to avoid material waste. The operator places both ends of the sheet material to be rolled into the two receiving slots 14, and the middle part of the sheet material to be rolled is suspended at the clearance notch 11. Then, the second telescopic cylinder 403 drives the X-axis slide 402 to move to the rear of the machine platform 1. The X-axis slide 402 drives the receiving platform 10 to move. The receiving platform 10 carries the sheet material to be rolled to the bottom of the conical punch 2. The push block 8 rises, passes through the clearance notch 11 and lifts the sheet material to be rolled. The work of the receiving platform 10 is completed. The second telescopic cylinder 403 can drive the X-axis slide 402 and the receiving platform 10 to retract.

[0041] In addition, in order to prevent the X-axis slide 402 from affecting the lifting and lowering of the push block 8, a clearance opening 404 is also provided on the X-axis slide 402.

[0042] As a parallel technical solution in this embodiment, the second telescopic cylinder 403 can also be replaced with other components with telescopic functions, such as hydraulic cylinders, telescopic rods, etc.

[0043] Example 4 like Figure 1 and Figure 2As shown, the Y-axis motion assembly 5 includes a Y-axis slide rail 501, a Y-axis slide table 502, and a third telescopic cylinder 503. The Y-axis slide rail 501 is fixedly mounted on the top surface of the machine base 1 and its length direction is perpendicular to the central axis of the conical punch 2. The Y-axis slide table 502 is slidably mounted on the Y-axis slide rail 501, and the side push block 12 is fixedly mounted on the Y-axis slide table 502. The third telescopic cylinder 503 is fixedly mounted on the top surface of the machine base 1. The telescopic end of the third telescopic cylinder 503 is fixedly connected to the Y-axis slide table 502 and the telescopic direction is parallel to the Y-axis slide rail 501.

[0044] like Figure 1 and Figure 2 As shown, the side push block 12 has an inclined surface on the side near the conical punch 2 and protrudes from the Y-axis slide 502, and the edge of the inclined surface is in clearance fit with the upper side of the conical punch 2 in the vertical direction.

[0045] like Figure 7 As shown, the upper side of the conical punch 2 is located on the horizontal plane, and the inclined edge of the side push block 12 is also located on the horizontal plane.

[0046] In this embodiment, after the receiving platform 10 brings the sheet material to be rolled to below the conical punch 2, the push block 8 rises, passes through the clearance notch 11, lifts the sheet material to be rolled, and presses the sheet material into the groove 9 of the push block 8. At this time, the cross-section of the sheet material to be rolled is "U" shaped. Then, the two third telescopic cylinders 503 on the left and right extend simultaneously, driving the side push block 12 to contact the two ends of the sheet material to be rolled, and pushing the two ends of the sheet material to be rolled together. The side of the side push block 12 near the conical punch 2 is inclined, which allows the two side push blocks 12 to be as close as possible when they are joined together.

[0047] like Figure 7 As shown, the axis of the conical punch 2 is placed at an angle, so that the upper side is horizontal. Therefore, the inclined surfaces of the two side push blocks 12 can also be placed horizontally, reducing the assembly difficulty. The inclined edges of the two side push blocks 12 are slightly higher than the upper side of the conical punch 2 by one sheet thickness, to prevent the two side push blocks 12 from being blocked by the sheet and unable to close.

[0048] As a parallel technical solution in this embodiment, the third telescopic cylinder 503 can also be replaced with other components with telescopic functions, such as hydraulic cylinders, telescopic rods, etc.

[0049] As a parallel technical solution in this embodiment, the conical punch 2 can also be placed normally so that its axis is set horizontally. At this time, the inclined edges of the two side push blocks 12 should be placed at an angle to ensure that they are parallel to the upper side surface of the conical punch 2. This solution only requires normal machining of the conical punch 2, reducing the machining difficulty.

[0050] Example 5 like Figure 1 and Figure 7 As shown, the sliding assembly 6 includes a first slide rail 601 and a first slide table 602. The first slide rail 601 is fixedly mounted on the top surface of the machine base 1 and is parallel to the upper side surface of the conical punch 2. The first slide table 602 is slidably mounted on the first slide rail 601. One end of the first slide table 602 extends above the conical punch 2 and is provided with a welding torch 13.

[0051] In this embodiment, the first slide rail 601 is equipped with a power source to drive the first slide table 602 to reciprocate (it can be driven by a lead screw or by electromagnetic force); the length of the first slide rail 601 is greater than the length of the conical punch 2. When the first slide table 602 slides, it can drive the welding torch 13 to move from the large end side of the conical punch 2 to the small end side, ensuring complete welding.

[0052] Based on this embodiment, the sliding component 6 can also be replaced with other components with sliding functions, such as a linear motor.

[0053] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and not to limit the technical solutions. Those skilled in the art should understand that any modifications or equivalent substitutions to the technical solutions of this utility model that do not depart from the spirit and scope of this technical solution should be covered within the scope of the claims of this utility model.

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