A small-diameter pipe body welding alignment adjusting device
By combining clamping and positioning devices, the problems of inconvenient positioning and insufficient stability of small-diameter pipe welding equipment are solved, enabling adaptive positioning and precise docking for different pipe diameters, thus improving welding efficiency and stability.
Patent Information
- Application Number
- CN202510279347.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2045-03-11
AI Technical Summary
Existing small-diameter pipe welding equipment lacks convenience in limiting position and has poor locking and limiting stability for pipes of different diameters, making it difficult to achieve synchronous radial guidance and affecting welding efficiency.
The device employs a clamping and positioning mechanism, utilizing a combination of servo motors, bidirectional lead screws, ball bearing slides, transmission gears, and bevel gears to achieve adaptive positioning and precise docking of pipes with different radii. A stepper motor drives the guide gears to rotate for radial guidance, which, in conjunction with the welding module, enables stable welding.
It improves the adaptability and stability of limiting pipes of different diameters, enhances the convenience and efficiency of welding, and ensures the accuracy and stability of welding.
Smart Images

Figure CN119858000B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of pipe body butt joint equipment, in particular to a small-diameter pipe body welding alignment adjusting equipment. BACKGROUND
[0002] The pipe welding equipment plays a crucial role in the pipeline engineering. The pipe welding equipment has been widely applied and recognized in the modern industry due to its high efficiency, stability, precision, labor saving, adaptability, safety, reliability, simple operation, high welding quality and material saving. Before the pipe welding operation, the pipe needs to be positioned and located in advance, thereby improving the subsequent welding efficiency.
[0003] A convenient small-caliber pipe welding butt joint device is disclosed in the publication No. CN215238993U. The device comprises a connecting rod in a C-shaped structure. One end of the connecting rod is fixed with a nut. The nut is internally provided with a screw rod. The screw rod is located on the same straight line with the end of the connecting rod away from the nut. The inner end of the screw rod and the end of the connecting rod away from the nut are each provided with a clamping piece in a mirror image arrangement. The clamping piece comprises a connecting rod in a U-shaped structure. The two ends of the connecting rod are each fixed with a clamping plate in a V-shaped bending structure. The clamping plates are provided with a gap therebetween. The steel pipe is clamped by the clamping piece. The gap is provided between the clamping plates of the clamping piece. The interface of the steel pipe is located at the gap. The interface can be welded without obstruction. The welding can be completed at one time. The use is convenient. The welding effect is good. The structure is simple. The cost is low.
[0004] Although the above-mentioned device can butt joint and guide the small-diameter pipe body, the existing device has the disadvantages of poor convenience when limiting the pipe body and poor stability when locking and limiting the pipe body with different diameters. Moreover, the pipe body cannot be conveniently guided in the radial direction during welding, thereby reducing the convenience of subsequent welding. Therefore, a small-diameter pipe body welding alignment adjusting equipment is needed to solve the problems in the background. SUMMARY
[0005] The present application aims to provide a small-diameter pipe body welding alignment adjusting equipment to solve the problems in the background.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a small-diameter pipe body welding alignment adjusting equipment comprising a fixing base for supporting, a reduction motor provided at the center of the rear end face of the fixing base, and a bidirectional screw rod provided at the output end of the reduction motor,
[0007] a clamping device, two groups of the clamping device are provided, and the two groups of the clamping device are threadedly and slidably connected to the upper end face of the fixing base through the bidirectional screw rod.
[0008] A support guide is fixedly arranged at the center of the upper end surface of the fixed base, and a positioning guide groove is arranged at the center of the inner end surface of the support guide, a double-shaft motor is arranged at the side end surface of the support guide, and transmission lead screws are arranged at the two output ends of the double-shaft motor;
[0009] A threaded sliding seat is threadedly and slidingly connected to the inner end surface of the support guide through the transmission lead screws, and a welding module is arranged at the center of the inner end surface of the threaded sliding seat.
[0010] Preferably, the clamping device comprises a limiting guide, three groups of fixed guide grooves are equidistantly arranged at the inner end surface of the limiting guide, a fixed clamping groove is arranged at the center of the inner end surface of the limiting guide, a driven gear is rotatably connected at the center of the inner end surface of the fixed clamping groove, a driving bevel gear is fixedly arranged at the upper end surface of the driven gear, a transmission lead screw is rotatably connected at the inner end surface of the limiting guide opposite to the fixed guide groove, a driven bevel gear is arranged at the inner end surface end of the transmission lead screw, a sealing clamping cover is fixedly arranged at the center of the inner end surface of the limiting guide, a servo motor is arranged at the bottom of the rear end surface of the limiting guide, a driving gear is arranged at the output end of the servo motor, three groups of positioning devices are equidistantly and threadedly slidingly connected to the inner end surface of the limiting guide through the transmission lead screw, and a ball sliding seat is fixedly arranged at the center of the lower end surface of the limiting guide.
[0011] Preferably, the positioning device comprises a support clamping seat for supporting, a threaded guide is fixedly arranged at the rear end surface of the support clamping seat, two groups of limiting guide rollers are rotatably connected at the lower end surface of the support clamping seat, a guide gear is arranged at the output end of each of the two groups of limiting guide rollers, a stepping motor is arranged at the middle of the inner end surface of the support clamping seat, and a transmission gear is arranged at the output end of the stepping motor.
[0012] Preferably, the centers of the two groups of welding modules and the positioning guide groove are located on the same horizontal plane, which can effectively provide the precision of subsequent welding positioning and positioning of the pipe.
[0013] Preferably, the two groups of limiting guides are threadedly and slidingly connected to the upper end surface of the fixed base through the ball sliding seat and the bidirectional lead screw, which facilitates the subsequent quick and precise positioning and positioning of the two groups of limiting guides for the internally limited pipe, and improves the stability of subsequent pipe welding.
[0014] Preferably, the driven gear is in meshing connection with the driving gear, and the three groups of driven bevel gears are in meshing connection with the driving bevel gear.
[0015] Preferably, the support seat is threadedly and slidingly connected to the inner end face of the limiting guide seat through the threaded guide seat and the transmission screw, so that the transmission screw can drive the threaded guide seat to move centripetally and centrifugally outside the limiting guide seat, thereby facilitating the subsequent limiting guide rollers to lock and position the pipe of different models.
[0016] Preferably, the two groups of guide gears are in meshing connection with the transmission gear, which facilitates the subsequent two groups of limiting guide rollers to rotate the pipe quickly and accurately, thereby improving the efficiency of subsequent pipe welding.
[0017] Compared with the prior art, the present application has the following advantages:
[0018] 1. The clamping device is provided, and when different radius pipes are adaptively positioned, the servo motor can drive the three groups of driven bevel gears to move centripetally and centrifugally through the meshing of the driving bevel gear and the three groups of driven bevel gears, thereby improving the adaptability of the equipment to pipes of different diameters, and the bidirectional screw and the bidirectional threaded connection of the two groups of ball sliding seats can also improve the stability and accuracy of the subsequent equipment in butt joint positioning of the pipe.
[0019] 2. When the pipe is butt jointed, the three groups of stepping motors can drive the guide gears to rotate synchronously through the transmission gear, so that the guide gears can drive the two groups of limiting guide rollers to rotate synchronously, thereby facilitating the welding of the welding module, and effectively improving the convenience and efficiency of the equipment in welding the pipe. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed for the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.
[0021] Figure 1 Split view of the main body of the present application;
[0022] Figure 2 Structure diagram of the main body of the present application;
[0023] Figure 3 Split diagram of the clamping device of the present application;
[0024] Figure 4 Structure diagram of the clamping device of the present application Figure 3 Partial enlarged view of A in the present application;
[0025] Figure 5 Structure diagram of the clamping device of the present application;
[0026] Figure 6 Split diagram of the positioning device of the present application;
[0027] Figure 7 Structure diagram of the positioning device of the present application.
[0028] In the figure: 1 - speed reducer motor, 2 - bidirectional screw rod, 3 - clamping device, 4 - alignment guide groove, 5 - support guide base, 6 - welding module, 7 - threaded slide, 8 - double-shaft motor, 9 - fixed base, 10 - transmission screw rod, 31 - sealing clamping cover, 32 - positioning device, 33 - driving bevel gear, 34 - driving gear, 35 - fixed clamping groove, 36 - ball slide, 37 - fixed guide groove, 38 - servo motor, 39 - limit guide base, 310 - transmission screw rod, 311 - driven bevel gear, 312 - driven gear, 321 - threaded guide base, 322 - support clamping base, 323 - stepping motor, 324 - transmission gear, 325 - guide gear, 326 - limit guide roller. DETAILED DESCRIPTION
[0029] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person of ordinary skill in the art without creative labor should belong to the protection scope of the present application.
[0030] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and in the above description of the drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.
[0031] The present application will be further described below in conjunction with the drawings.
[0032] Embodiment 1
[0033] Please refer to Figures 1-7 An embodiment provided by the present application: a small-diameter pipe body welding alignment adjusting device, comprising a fixed base 9 for support, a speed reducer motor 1 is arranged at the center of the rear end face of the fixed base 9, and a bidirectional screw rod 2 is arranged at the output end of the speed reducer motor 1,
[0034] A clamping device 3 is arranged on the upper end face of the fixed base 9, and the two clamping devices 3 are threadedly and slidably connected to the upper end face of the fixed base 9 through the bidirectional screw rod 2;
[0035] A support guide 5 is fixedly arranged at the center of the upper end face of the fixed base 9, and a positioning guide groove 4 is arranged at the center of the inner end face of the support guide 5, a double-shaft motor 8 is arranged on the side end face of the support guide 5, and a transmission screw rod 10 is arranged at the two output ends of the double-shaft motor 8;
[0036] A threaded sliding seat 7 is threadedly and slidably connected to the inner end face of the support guide 5 through the transmission screw rod 10, and a welding module 6 is arranged at the center of the inner end face of the threaded sliding seat 7.
[0037] The clamping device 3 comprises a limiting guide base 39, three groups of fixed guide grooves 37 are equidistantly arranged on the inner end face of the limiting guide base 39, a fixed clamping groove 35 is arranged at the center of the inner end face of the limiting guide base 39, a driven gear 312 is rotatably connected at the inner end face of the fixed clamping groove 35, a driving bevel gear 33 is fixedly arranged on the upper end face of the driven gear 312, a transmission screw 310 is rotatably connected at the inner end face of the limiting guide base 39 opposite to the fixed guide groove 37, a driven bevel gear 311 is arranged at the inner end face of the transmission screw 310, a sealing clamping cover 31 is fixedly arranged at the center of the inner end face of the limiting guide base 39, a servo motor 38 is arranged at the bottom of the rear end face of the limiting guide base 39, a driving gear 34 is arranged at the output end of the servo motor 38, three groups of positioning devices 32 are equidistantly and threadedly connected to the inner end face of the limiting guide base 39 through the transmission screw 310, and a ball sliding base 36 is fixedly arranged at the center of the lower end face of the limiting guide base 39.
[0038] The positioning device 32 comprises a supporting clamping seat 322 for supporting, a threaded guide base 321 is fixedly arranged at the rear end face of the supporting clamping seat 322, two groups of limiting guide rollers 326 are rotatably connected at the lower end face of the supporting clamping seat 322, a guide gear 325 is arranged at the output end of each of the two groups of limiting guide rollers 326, a stepping motor 323 is arranged at the inner end face of the supporting clamping seat 322, and a transmission gear 324 is arranged at the output end of the stepping motor 323.
[0039] The upper and lower two groups of welding modules 6 and the center of the alignment guide groove 4 are located on the same horizontal plane, which can effectively provide the accuracy of subsequent welding alignment and positioning of the pipe.
[0040] The two groups of limiting guide bases 39 are threadedly and slidably connected to the upper end face of the fixed base 9 through the ball sliding base 36 and the bidirectional screw rod 2, which facilitates the subsequent quick and accurate alignment and positioning of the two groups of limiting guide bases 39 for the internal limiting pipe, and improves the stability of the subsequent pipe welding.
[0041] The driven gear 312 is meshed and connected with the driving gear 34, and the three groups of driven bevel gears 311 are meshed and connected with the driving bevel gear 33, when transmitting, the driving gear 34 can drive the driven gear 312 to mesh and rotate, at the same time, the driven gear 312 can synchronously drive the three groups of driven bevel gears 311 to mesh and rotate through the driving bevel gear 33, thereby providing sufficient transmission power for the three groups of transmission screws 310, and also providing the utilization efficiency of the power of the equipment.
[0042] The support seat 322 is connected in threaded sliding connection with the transmission screw 310 through the threaded guide seat 321 and the inner end face of the limiting guide seat 39, the transmission screw 310 can drive the threaded guide seat 321 to move centripetally and centrifugally outside the limiting guide seat 39, thereby facilitating the subsequent limiting guide roller 326 to lock and position the pipe of different models.
[0043] The two sets of guide gears 325 are in meshing connection with the transmission gear 324, which can facilitate the subsequent two sets of limiting guide rollers 326 to rotate the pipe body quickly and accurately, thereby improving the efficiency of subsequent pipe welding.
[0044] Working principle: before use, the staff can position the external small-diameter pipe guide module to the front and rear of the fixed base 9, the guide module can facilitate the subsequent quick feeding and discharging operation of the pipe body, when the pipe feeding is completed, the servo motor 38 is started, the servo motor 38 can drive the driving gear 34 to rotate, at the same time, the driving gear 34 can drive the driving bevel gear 33 to rotate through the meshing connection with the driven gear 312, the driving bevel gear 33 can synchronously drive the three sets of driven bevel gears 311 to mesh and rotate when rotating, the three sets of driven bevel gears 311 can synchronously drive the three sets of transmission screws 310 to rotate, the transmission screws 310 can drive the three sets of support seats 322 to move centripetally through the threaded connection with the threaded guide seat 321, so that the support seat 322 can drive the two sets of limiting guide rollers 326 to lock and position the outside of the pipe body, after locking, the reduction motor 1 is started, the reduction motor 1 can drive the bidirectional screw 2 to rotate, the bidirectional screw 2 can synchronously drive the two sets of limiting guide seats 39 to move centripetally through the threaded connection with the two sets of ball sliding seats 36, so that the two sets of limiting guide seats 39 can drive the internal pipe body to move towards the support guide seat 5, until the two sets of pipe bodies are aligned through the guide of the alignment guide slot 4 in the support guide seat 5, after alignment, the double-shaft motor 8 can drive the upper and lower two sets of welding modules 6 to move centripetally through the threaded sliding seat 7, so that the welding module 6 can be connected to the gap between the two sets of pipe bodies, then the three sets of stepping motors 323 are synchronously started, the stepping motors 323 can drive the two sets of guide gears 325 to rotate synchronously through the transmission gear 324, the two sets of guide gears 325 can drive the limiting pipe body to rotate stably through the limiting guide roller 326, at this time, the welding module 6 can stably weld the pipe body.
[0045] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A small-diameter pipe body welding alignment adjustment device, comprising a fixed base (9) for support, a reduction motor (1) located at the center of the rear end face of the fixed base (9), and a bidirectional lead screw (2) located at the output end of the reduction motor (1), characterized in that: The clamping device (3) is provided in two sets, and the two sets of clamping devices (3) are slidably connected to the upper end face of the fixed base (9) by the two-way screw (2); Support guide (5), the support guide (5) is fixedly installed at the center of the upper end face of the fixed base (9), and an alignment guide groove (4) is provided at the center of the inner end face of the support guide (5). A dual-axis motor (8) is provided on the side end face of the support guide (5), and a first transmission screw (10) is provided at both output ends of the dual-axis motor (8). Threaded slide (7), the threaded slide (7) is threadedly slidably connected to the inner end face of the support guide (5) through the first transmission screw (10), and a welding module (6) is provided at the center of the inner end face of the threaded slide (7). The clamping device (3) includes a limiting guide seat (39). Three sets of fixed guide grooves (37) are equidistantly provided on the inner end face of the limiting guide seat (39). A fixed slot (35) is provided at the center of the inner end face of the limiting guide seat (39). A driven gear (312) is rotatably engaged at the center of the inner end face of the fixed slot (35). A driving bevel gear (33) is fixedly provided on the upper end face of the driven gear (312). A second transmission screw (310) is rotatably engaged on the inner end face of the limiting guide seat (39) directly opposite the fixed guide groove (37). A driven bevel gear (311) is provided at the end of the inner end face of the second transmission screw (310). A sealing cover (31) is fixedly provided at the center of the inner end face of the limiting guide (39). A servo motor (38) is provided at the bottom of the rear end face of the limiting guide (39), and a driving gear (34) is provided at the output end of the servo motor (38). Three sets of positioning devices (32) are equidistantly threadedly connected to the inner end face of the limiting guide (39) through the transmission screw (310). A ball bearing slide (36) is fixedly provided at the center of the lower end face of the limiting guide (39).
2. The small-diameter pipe body welding alignment adjustment device according to claim 1, characterized in that: The positioning device (32) includes a support bracket (322) for support. A threaded guide seat (321) is fixedly provided on the rear end face of the support bracket (322), and two sets of limiting guide rollers (326) are rotatably engaged on the lower end face of the support bracket (322). Guide gears (325) are provided at the output ends of the two sets of limiting guide rollers (326). A stepper motor (323) is provided at the middle of the inner end face of the support bracket (322), and a transmission gear (324) is provided at the output end of the stepper motor (323).
3. The small-diameter pipe body welding alignment adjustment device according to claim 2, characterized in that: The centers of the upper and lower welding modules (6) and the alignment guide groove (4) are located on the same horizontal plane.
4. The small-diameter pipe body welding alignment adjustment device according to claim 2, characterized in that: Both sets of limiting guide seats (39) are adapted to the bidirectional lead screw (2) through the ball slide (36) and thus threadedly slidably connected to the upper end face of the fixed base (9).
5. The small-diameter pipe body welding alignment adjustment device according to claim 2, characterized in that: The driven gear (312) meshes with the driving gear (34), and all three sets of driven bevel gears (311) mesh with the driving bevel gear (33).
6. The small-diameter pipe body welding alignment adjustment device according to claim 2, characterized in that: The support bracket (322) is adapted to the second transmission screw (310) through the threaded guide (321) and thus is threadedly slidably connected to the inner end face of the limiting guide (39).
7. The small-diameter pipe body welding alignment adjustment device according to claim 2, characterized in that: Both sets of guide gears (325) are meshed with the transmission gears (324).
Citation Information
Patent Citations
Convenient small-caliber pipeline welding alignment device
CN215238993U
Pipe welding device for building construction
CN114310041A
Device for welding cylindrical metal
CN114310052A