Winch type sprinkler reel welding device

Abstract

A winch type sprinkler reel welding device comprises a welding platform, positioning clamping blocks and a welding gun, the positioning clamping blocks comprise a fourth clamping block arranged on the inner side of an inner ring of a reel, third clamping blocks distributed on the two sides of a reel supporting rod, a first clamping block and a second clamping block, and the first clamping block and the second clamping block are distributed on the outer / inner side of an outer ring of the reel. The first clamping block, the fourth clamping block and the reel supporting rods are located on the same straight line, and the second clamping block and the third clamping block in any two adjacent reel supporting rods are located on the same circle. The multiple positioning clamping blocks are arranged to synchronously position from the inner ring, the outer ring and the supporting rod of the reel in multiple directions, the controller is used for driving the clamping blocks to synchronously move to achieve rapid tightening and fixing, the concentric circle precision and the welding positioning efficiency of the reel can be effectively improved, the clamping block attaching face is of an arc face and plane structure, and the cover plate structure capable of automatically pressing down is matched, so that the welding precision is improved. The positioning stability and reliability are enhanced, welding displacement is prevented, the device is easy and convenient to operate, and manual adjustment and repeated operation can be remarkably reduced.

Description

Technical Field

[0001] This invention belongs to the field of reel welding technology, specifically referring to a winch-type sprinkler reel welding device. Background Technology

[0002] Winch-type sprinkler irrigation machines, often called "reel-type sprinkler irrigation machines" or "winch sprinkler irrigation machines," are a type of efficient, mobile, large-scale farmland irrigation equipment. They are particularly suitable for irrigating large square or rectangular plots and are widely used in plains, hilly areas, and other regions. The winch is used to wind up and release PE hoses. Therefore, the winch structure must be robust enough to withstand the enormous weight and tension of hundreds of meters of water-filled PE hose. Winches are generally formed by bending steel pipes into a ring and then welding them to a frame.

[0003] The current winch welding process has significant efficiency bottlenecks in the pipe assembly stage. First, the jointing of the annular pipe requires multiple force adjustments, making it difficult to quickly ensure concentric circle accuracy. Subsequently, when radially arranging connecting pipes, segment-by-segment positioning and multi-point locking are required. The entire process relies on a large number of repetitive operations, which are cumbersome, time-consuming, and labor-intensive, severely restricting the overall efficiency and production rhythm of the welding operation and becoming a major obstacle to improving batch production capacity. Summary of the Invention

[0004] In view of the above situation and to overcome the defects of the prior art, the purpose of the present invention is to provide a winch-type sprinkler reel welding device to at least partially solve the problems mentioned in the background art.

[0005] The technical solution adopted by this invention is as follows: A winch-type sprinkler reel welding device is proposed, comprising: The welding platform is horizontally set and has a positioning clamp on the top surface to limit the movement of the reel; A welding torch is positioned above the welding platform and is used to weld the reel that is limited by the positioning clamp. The positioning clamps include a fourth clamping block disposed on the inner side of the inner ring of the reel, a third clamping block distributed on both sides of the reel support rod, and a first clamping block and a second clamping block distributed on the outer / inner side of the outer ring of the reel. The first clamping block and the second clamping block are staggered in the circumferential direction, and the first clamping block and the fourth clamping block are on the same straight line as the reel support rod. The second clamping block and the third clamping block in any two adjacent reel support rods are on the same circle. The bottom of the welding platform is provided with a controller for driving the positioning clamps. The controller is configured to drive the multiple positioning clamping blocks to approach the reel and position the reel.

[0006] Furthermore, six reel support rods are provided between the outer and inner rings of the reel. The second and third clamping blocks, located on the same circle, are centrally symmetrically distributed. The controller includes a first controller that drives the first and fourth clamping blocks to move synchronously, and a second controller that drives the second and third clamping blocks to move synchronously. The second controller is configured to drive the second and third clamping blocks to move synchronously and linearly, and to position the circumferential position of the reel support rod through the third clamping block, and to limit the inner diameter position of the outer ring of the reel through the second clamping block. The first controller is configured to drive the first and fourth clamping blocks to move synchronously and linearly, and to limit the outer diameter position of the outer ring of the reel through the first clamping block, and to limit the inner diameter position of the inner ring of the reel through the fourth clamping block.

[0007] Furthermore, the welding platform includes a support tray, and each of the positioning clamps is provided with a groove on the support tray. The positioning clamps are configured to move within the grooves driven by the controller. The movement of the positioning clamps within the grooves includes a first position away from the reel and a second position close to the reel. The distance between the first position and the second position is set at 5CM~10CM.

[0008] Furthermore, the positioning clamp includes a clamp body and a cover plate slidably disposed on the top of the clamp body. The clamp body is slidably disposed in the groove. The cover plate on the clamp body includes an initial position entirely above the clamp body and a limiting position partially protruding from the side of the clamp body. When the clamp body is in the first position, the cover plate is in the initial position, and when the clamp body moves to the second position, the cover plate moves from the initial position to the limiting position and abuts against the upper side of the reel.

[0009] Furthermore, the positioning clamp also includes a slider and a linkage rod. The clamp body has an internal movable cavity, and the linkage rod is hinged in the movable cavity. Both ends of the linkage rod are respectively hinged to the cover plate and the slider. The bottom of the support tray is provided with a stop block corresponding to the second position of each clamp body. When the clamp body moves to the second position, the stop block pushes the slider to move and moves the cover plate from the initial position to the limit position.

[0010] Furthermore, the interior of the slide groove is provided with one or more load-bearing guide rails, and the side of the clamping block body is provided with a load-bearing groove that cooperates with the load-bearing guide rails.

[0011] Furthermore, the bottom of the support tray is provided with a transmission box, and the first controller and the second controller are both located in the transmission box. The first controller includes a first driver fixed to the bottom of the support tray. The output end of the first driver is provided with two first drive rods in the radial direction, and the two first drive rods are respectively connected to the first clamping block and the fourth clamping block.

[0012] Furthermore, the second controller includes a second driver fixed to the bottom of the support tray, and the output end of the second driver is provided with three second drive rods in a centrally symmetrical manner. The three second drive rods are respectively connected to one second clamping block and two third clamping blocks.

[0013] Furthermore, a rotating platform is fixedly provided at the bottom of the welding platform, and a support base is provided at the bottom of the rotating platform. The rotating platform is configured to be driven to rotate around an axis on the top of the support base, and a rotary driver for driving the rotating platform to rotate is fixedly installed on the top of the support base.

[0014] Furthermore, the contact surfaces of the first clamping block, the second clamping block, and the fourth clamping block with the outer and inner rings of the reel are curved, while the contact surface of the third clamping block with the reel support rod is flat.

[0015] Beneficial effects: This invention uses multiple positioning clamps to simultaneously position the reel from multiple directions, including the inner and outer rings and the support rod. A controller drives the clamps to move synchronously, achieving rapid tightening and fixing. This effectively improves the concentric circle accuracy of the reel and the welding positioning efficiency. The clamp contact surfaces adopt an arc and plane structure, combined with an automatically pressing cover plate structure, enhancing positioning stability and reliability, preventing welding displacement, and simplifying the operation of the device. It can significantly reduce manual adjustment and repetitive operations. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a winch-type sprinkler reel welding device proposed in an embodiment of the present invention; Figure 2 This is a front view structural schematic diagram of a winch-type sprinkler reel welding device according to an embodiment of the present invention; Figure 3 This is a schematic diagram of the top surface structure of the support tray according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the bottom structure of the support tray according to an embodiment of the present invention; Figure 5 A schematic diagram of the internal structure of the positioning clamping block is provided for an embodiment of the present invention; Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure along the AA direction.

[0017] Among them, 10 is the welding platform; 11 is the support tray; 110 is the chute; 1101 is the load-bearing guide rail; 111 is the stop block; 12 is the transmission box; 20 is the rotary table; 21 is the rotary driver; 30 is the support base; 40 is the positioning clamp; 401 is the first clamp; 402 is the second clamp; 403 is the third clamp; 404 is the fourth clamp; 41 is the clamp body; 410 is the movable cavity; 42 is the cover plate; 43 is the slider; 44 is the linkage rod; 440 is the movable groove; 441 is the positioning shaft; 50 is the welding torch; 60 is the first controller; 61 is the first driver; 62 is the first drive rod; 70 is the second controller; 71 is the second driver; 72 is the second drive rod.

[0018] The accompanying drawings are provided to further understand the embodiments and form part of the specification. They are used together with the embodiments for explanation and do not constitute a limitation on the embodiments. Detailed Implementation

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection.

[0020] In the description of the embodiments, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments.

[0021] Currently, before welding the reel, the C-shaped pipe fitting bent into an annular shape needs to be concentrically positioned on the welding table. When connecting the joints of the annular pipes, manual force must be applied to ensure precise alignment. This process is not only laborious but also makes it difficult to guarantee the roundness of the annular pipe. Subsequently, multiple connecting pipes need to be placed radially between the two concentric annular pipes. After placement, each contact point between the pipe and the annular pipe needs to be locked and temporarily fixed. The entire installation process involves a large number of repetitive manual adjustments, alignments, and tightening operations, which are cumbersome, time-consuming, and labor-intensive.

[0022] like Figure 1 and Figure 2As shown in the figure, an embodiment of the present invention provides a welding device for a winch-type sprinkler reel, which aims to reduce the difficulty of positioning the reel before welding and increase the positioning speed of the reel before welding. The device mainly includes a welding platform 10, a positioning clamp 40 and a welding torch 50.

[0023] The welding platform 10 includes a support tray 11, with a transmission box 12 at the bottom of the support tray 11. The support tray 11 has a disc-shaped structure and is horizontally positioned. The top surface of the welding platform 10 is provided with a positioning clamp 40 for limiting the reel. The reel includes an inner ring, an outer ring, and reel support rods distributed between the inner and outer rings. Before welding, the inner ring, outer ring, and six reel support rods are placed on the top of the welding platform 10 and positioned by the positioning clamp 40. The welding torch 50 is positioned above the welding platform 10 and can be configured to be held by hand or by a robotic arm for welding the reel limited by the positioning clamp 40.

[0024] Furthermore, such as Figure 3 As shown, the positioning clamp 40 includes a fourth clamp 404 disposed on the inner side of the inner ring of the reel, a third clamp 403 distributed on both sides of the reel support rod, and a first clamp 401 and a second clamp 402 distributed on the outer / inner side of the outer ring of the reel.

[0025] The first clamping block 401 and the second clamping block 402 are staggered along the circumferential direction, so that the first clamping block 401 and the second clamping block 402 are sequentially alternately distributed along the circumferential direction of the outer ring of the reel. In this way, when the first clamping block 401 and the second clamping block 402 are tightened, the position of the outer ring of the reel can be positioned, keeping the outer ring of the reel relatively round and in a preset position. The fourth clamping block 404 is located inside the inner ring of the reel, and the first clamping block 401 and the fourth clamping block 404 are on the same straight line as the reel support rod. In this way, when the first clamping block 401 and the fourth clamping block 404 are tightened simultaneously, the fourth clamping block 404 can not only position the inner diameter of the inner ring of the reel, but also position the two ends of the reel support rod, achieving a multi-positioning effect.

[0026] Furthermore, the second clamping block 402 and the third clamping block 403 in any two adjacent reel support rods are on the same circle. The third clamping block 403 is distributed on both sides of the reel support rod in the circumferential direction, and the position of the reel support rod can be positioned axially. The bottom of the welding platform 10 is provided with a controller for driving the positioning clamping blocks 40. The controller is configured to drive multiple positioning clamping blocks 40 to approach the reel in the direction of the reel and position the reel.

[0027] like Figure 3 and Figure 4As shown, in some embodiments, six reel struts are provided between the outer and inner rings of the reel, and the second clamping blocks 402 and the third clamping blocks 403 on the same circle are centrally symmetrically distributed. The controller includes a first controller 60 that drives the first clamping block 401 and the fourth clamping block 404 to move synchronously, and a second controller 70 that drives the second clamping block 402 and the third clamping block 403 to move synchronously.

[0028] The second controller 70 is configured to drive the second clamping block 402 and the third clamping block 403 to move synchronously and linearly, and to position the circumferential position of the reel support rod through the third clamping block 403, and to limit the inner diameter position of the outer ring of the reel through the second clamping block 402.

[0029] Furthermore, the second controller 70 includes a second driver 71 fixed to the bottom of the support tray 11. The output end of the second driver 71 is provided with three second drive rods 72 in a centrally symmetrical manner. The three second drive rods 72 are respectively connected to a second clamping block 402 and two third clamping blocks 403.

[0030] In some embodiments, the second driver 71 employs a low-speed, high-torque linear driver in conjunction with a three-jaw chuck transmission structure. The linear driver uses, for example, a heavy-duty electric cylinder or a high-thrust electric push rod, which can generate a large thrust by reducing speed and increasing torque. In conjunction with a servo system, it can achieve high positioning accuracy and precise force control. The back of the chuck is directly connected to the output shaft of the driver. Its interior has a disc-shaped bevel gear and a planar thread structure. When the driver drives the chuck body to rotate, the internal bevel gear rotates due to the relative motion with the outer shell, thereby driving the three jaws to extend and retract. The jaws are fixedly connected to the second drive rod 72. The other end of the second drive rod 72 is connected to the second clamping block 402 and two third clamping blocks 403 respectively, so that the second clamping block 402 can simultaneously limit the outer ring of the reel, and the third clamping blocks 403 can fix the reel support rod.

[0031] The first controller 60 is configured to drive the first clamping block 401 and the fourth clamping block 404 to move synchronously and linearly, and to limit the outer diameter position of the outer ring of the reel by the first clamping block 401 and the inner diameter position of the inner ring of the reel by the fourth clamping block 404.

[0032] Furthermore, both the first controller 60 and the second controller 70 are located inside the transmission box 12. The first controller 60 includes a first driver 61 fixed to the bottom of the support tray 11. The output end of the first driver 61 is provided with two first drive rods 62 in the radial direction. The two first drive rods 62 are respectively connected to the first clamping block 401 and the fourth clamping block 404.

[0033] In some embodiments, the first driver 61 is a low-speed, high-torque linear driver, such as a heavy-duty electric cylinder or a high-thrust electric push rod, which can generate a large thrust by reducing speed and increasing torque. In conjunction with a servo system, it can achieve high positioning accuracy and precise force control. The drive end of the linear driver is connected to two first drive rods 62, which control the first clamping block 401 and the fourth clamping block 404 respectively to position the outer and inner rings of the reel.

[0034] To increase the stability of the positioning clamp 40 when it contacts the reel, in some embodiments, the contact surfaces of the first clamp 401, the second clamp 402, and the fourth clamp 404 with the outer and inner rings of the reel are constructed as arc surfaces, and the contact surface of the third clamp 403 with the reel support rod is constructed as a plane. This can reduce the gap when the positioning clamp 40 contacts the reel, thereby increasing stability.

[0035] like Figure 2 As shown, each positioning clamp 40 on the tray 11 is provided with a slide groove 110. The positioning clamp 40 is configured to move within the slide groove 110 driven by the controller. The movement of the positioning clamp 40 within the slide groove 110 includes a first position away from the reel and a second position close to and in contact with the reel. The distance between the first position and the second position is set at 5CM~10CM.

[0036] Thus, before welding positioning, all positioning clamps 40 are in the first position. At this time, the gap between the positioning clamps 40 is relatively large, making it easier to place the outer and inner rings of the reel and the reel support rod between the set positioning clamps 40. After the reel parts to be welded are placed, the positioning clamps 40 can be driven to move from the first position to the second position. At this time, the gap between the positioning clamps 40 gradually tightens, and the positioning clamps 40 are used to gradually tighten the reel parts to the preset position and perform positioning.

[0037] like Figure 5 and Figure 6 As shown, the positioning clamp 40 includes a clamp body 41 and a cover plate 42 slidably disposed on the top of the clamp body 41. The clamp body 41 is slidably disposed in the slide groove 110. The cover plate 42 on the clamp body 41 includes an initial position where it is entirely above the clamp body 41 and a limiting position where it partially protrudes from the side of the clamp body 41. When the clamp body 41 is in the first position, the cover plate 42 is in the initial position. When the clamp body 41 moves to the second position, the cover plate 42 moves from the initial position to the limiting position and abuts against the upper side of the reel.

[0038] Furthermore, the positioning clamp 40 also includes a slider 43 and a linkage rod 44. The clamp body 41 has an internal movable cavity 410. The linkage rod 44 is hinged in the movable cavity 410, and both ends of the linkage rod 44 are respectively hinged to the cover plate 42 and the slider 43. The bottom of the support tray 11 is provided with a stop 111 corresponding to the second position of each clamp body 41. When the clamp body 41 moves to the second position, the stop 111 pushes the slider 43 to move and moves the cover plate 42 from the initial position to the limit position.

[0039] To position the reel at its height, a sliding cover plate 42 is provided above the clamping block body 41. The cover plate 42 moves in conjunction with the slider 43 via a linkage rod 44. When the clamping block body 41 moves from the first position to the second position, the slider 43 at the bottom of the clamping block body 41 contacts the stop block 111. The stop block 111 presses the slider 43 to one side. Under the action of the linkage rod 44, the cover plate 42 moves from the initial position to the limiting position, so that the cover plate 42 covers the upper side of the reel, limiting the height position of the reel.

[0040] Furthermore, since the linkage rod 44 rotates around a fixed axis, while the cover plate 42 and slider 43 move linearly, in order to prevent the movement of the cover plate 42 and slider 43 from interfering with each other, the two ends of the linkage rod 44 are provided with movable grooves 440, and the interior of the movable grooves 440 is provided with positioning shafts 441. The cover plate 42 and slider 43 are both fixed to the positioning shafts 441. In this way, when the linkage rod 44 rotates, the cover plate 42 and slider 43 can move linearly. In addition, a slide rail is provided at the connection between the cover plate 42 and slider 43 and the clamping block body 41 to limit the sliding path of the cover plate 42 and slider 43.

[0041] Furthermore, the slide 110 has one or more load-bearing guide rails 1101 inside, and the side of the clamping block body 41 has a load-bearing groove that cooperates with the load-bearing guide rails 1101. In this way, when the clamping block body 41 is subjected to the reaction force of the reel, the load-bearing guide rails 1101 can be used to block the force perpendicular to the driving direction, so as to maintain the smooth linear movement of the clamping block body 41.

[0042] In some embodiments, the bottom of the rotary table 20 is provided with a support base 30, and the rotary table 20 is configured to be driven to rotate about an axis on the top of the support base 30. A rotary driver 21 for driving the rotary table 20 to rotate is fixedly installed on the top of the support base 30. The rotary driver 21 can be a combination of a motor and a reducer to make the rotary table 20 rotate, which facilitates welding of the reel on the support tray 11.

[0043] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0044] The embodiments have been described above, and such description is not restrictive. The figures shown are only one embodiment, and the actual structure is not limited to this. In short, if a person skilled in the art is inspired by this description and designs a similar structure and embodiment without departing from the inventive spirit, such design should fall within the scope of protection.

Claims

1. A welding device for a winch-type sprinkler reel, characterized in that, The utility model relates to a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment.

2. The reel welder for a reel sprinkling machine as set forth in claim 1, wherein: The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment.

3. The reel welder for a reel sprinkling machine as defined in claim 1 wherein: The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. The utility model discloses a welding platform and welding gun, and belongs to the field of welding equipment. 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The reel welder for a reel sprinkling machine as defined in claim 3 wherein: The positioning clamp block (40) comprises a clamp block body (41) and a cover plate (42) slidingly arranged on the top of the clamp block body (41), the clamp block body (41) is slidingly arranged in the sliding groove (110), the cover plate (42) comprises an initial position entirely above the clamp block body (41) and a limiting position partially protruding from the side edge of the clamp block body (41), the cover plate (42) is in the initial position when the clamp block body (41) is in the first position, and the cover plate (42) is moved from the initial position to the limiting position and abuts against the upper side of the reel when the clamp block body (41) is moved to the second position.

5. The reel weldment of claim 4, wherein: The positioning clamp block (40) further comprises a sliding block (43) and a linkage rod (44), the inside of the clamp block body (41) is provided with a movable cavity (410), the linkage rod (44) is hingedly installed in the movable cavity (410), and the two ends of the linkage rod (44) are respectively hingedly connected with the cover plate (42) and the sliding block (43), the bottom of the supporting tray (11) is provided with a stop block (111) corresponding to the second position of each clamp block body (41), the stop block (111) pushes the sliding block (43) to move and moves the cover plate (42) from the initial position to the limiting position when the clamp block body (41) is moved to the second position.

6. The reel welder for a reel sprinkling machine as defined in claim 4 wherein: The inside of the sliding groove (110) is provided with one or more force bearing guide rails (1101), and the side edge of the clamp block body (41) is provided with a force bearing groove matched with the force bearing guide rail (1101).

7. The reel welder for a reel sprinkling machine as defined in claim 2 wherein: The bottom of the supporting tray (11) is provided with a transmission box (12), the first controller (60) and the second controller (70) are arranged in the transmission box (12), the first controller (60) comprises a first driver (61) fixed to the bottom of the supporting tray (11), and the output end of the first driver (61) is provided with two first driving rods (62) in the radial direction, and the two first driving rods (62) are respectively connected with the first clamp block (401) and the fourth clamp block (404).

8. The reel welder for a winch-type sprinkler according to claim 7, wherein: The second controller (70) comprises a second driver (71) fixed to the bottom of the supporting tray (11), and the output end of the second driver (71) is provided with three second driving rods (72) in a central symmetry, and the three second driving rods (72) are respectively connected with one second clamp block (402) and two third clamp blocks (403).

9. The reel welder for a reel sprinkling machine as defined in claim 1 wherein: The bottom of the welding platform (10) is fixedly provided with a rotating table (20), the bottom of the rotating table (20) is provided with a supporting seat (30), the rotating table (20) is configured to be driven to rotate around an axis on the top of the supporting seat (30), and the top of the supporting seat (30) is fixedly installed with a rotating driver (21) for driving the rotating table (20) to rotate.

10. The reel welder for a reel sprinkling machine as set forth in claim 1, wherein: The fitting surfaces of the first clamping block (401), the second clamping block (402), the fourth clamping block (404) and the reel outer ring and the reel inner ring are arc surfaces, and the fitting surface of the third clamping block (403) and the reel support rod is a plane.

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