A pipe auxiliary butt joint device

Abstract

The application discloses a pipeline auxiliary butt joint device, which comprises a base, a pipeline one and a pipeline two for butt joint above the base, and further comprises a clamping unit, a inner supporting unit and a polishing unit. The clamping unit comprises a clamping assembly for clamping the pipeline one and the pipeline two, and a left-right adjusting assembly arranged at the lower end of the clamping assembly for adjusting the left-right alignment of the pipeline one and the pipeline two. The inner supporting unit comprises an inner supporting assembly arranged between the pipeline one and the pipeline two for coaxial adjustment of the inner holes of the pipeline one and the pipeline two, and an up-down adjusting assembly arranged at the lower end of the inner supporting assembly for adjusting the up-down alignment of the pipeline one and the pipeline two. The polishing unit is arranged below the up-down adjusting assembly. The pipeline one and the pipeline two are axially welded along the butt joint, and the positioning reference in the welding process still adopts the positioning reference of pipeline polishing, so that the polishing, butt joint and welding of the pipeline are carried out under the same reference, and the accuracy of the whole pipeline connection is improved.

Description

Technical Field

[0001] This invention relates to the field of pipeline docking technology, specifically to a pipeline auxiliary docking device. Background Technology

[0002] Pipelines are generally required to be welded during construction in order to achieve the required installation effect and length. Therefore, assembly and welding operations are basically required in pipeline construction. In existing technologies, before pipes are connected, the interfaces of the two sets of pipes are usually ground flat, then the pipes are connected, and finally welded. The entire grinding, connecting, and welding process cannot be carried out using the same positioning reference. Grinding, connecting, and welding need to be positioned separately, resulting in large errors between the two sets of pipes after connection and welding. In addition, the pipe connection and welding in existing technologies usually involve clamping the two sets of pipes from the outside of their opposite ends. Due to errors in the pipe manufacturing process, such as the outer diameter center being off-center from the inner diameter center, clamping the two sets of pipes from the outside of their opposite ends can only ensure that the pipes are coaxial on the outside, but cannot ensure that the pipes are coaxial on the inside. This results in deviations in the inner diameter of the pipes at the connection point, affecting the subsequent pipeline transmission.

[0003] The above content is only used to help understand the technical solution of the present invention and does not represent an admission that the above content is the closest prior art. Summary of the Invention

[0004] The purpose of this invention is to provide a pipe auxiliary docking device to solve the problems mentioned in the background art, where the pipes cannot be ground, docked, and welded using the same positioning reference, requiring separate positioning for grinding, docking, and welding, resulting in large errors between the two sets of pipes after docking and welding. In addition, the method of clamping and docking from the outside of the opposite ends of the two sets of pipes can only ensure that the outer sides of the pipes are coaxial, but cannot ensure that the inner sides of the pipes are coaxial, resulting in deviations in the inner diameter of the pipes at the docking point, which affects the subsequent transmission of the pipes.

[0005] To achieve the above objectives, the present invention provides the following technical solution: A pipe auxiliary docking device includes a base, two pipes (one and two) located above the base for mutual docking, and further includes: The clamping unit includes a clamping assembly for clamping pipe one and pipe two, and a left-right adjustment assembly located at the lower end of the clamping assembly for adjusting the left and right alignment of pipe one and pipe two. The internal support unit includes an internal support assembly disposed between the first pipe and the second pipe for coaxial adjustment of the inner holes of the first pipe and the second pipe, and an up-down adjustment assembly disposed at the lower end of the internal support assembly for vertical alignment adjustment of the first pipe and the second pipe. The grinding unit is located on both sides of the inner support assembly and is used to simultaneously grind the joint ends of pipe one and pipe two, which are adjusted to a coaxial state.

[0006] Furthermore, the clamping assembly includes: The frame is provided in two sets, corresponding to pipe one and pipe two respectively; An upper pressure plate is provided at the upper end of pipe one and pipe two to tighten the upper ends of pipe one and pipe two. The upper pressure plate is in an inverted V-shape. The first cylinder is installed at the upper end of the frame and is used to drive the upper pressure plate to rise and fall.

[0007] Furthermore, the frame is C-shaped, and a first inclined surface is provided at the lower interior end of the frame; The lower end of the frame is provided with a first receiving groove, and there are two sets of the first receiving groove; A wedge is slidably inserted inside the first receiving groove. The wedge-shaped surface of the wedge is arranged in a V-shape with the first inclined surface, which is used to clamp the first pipe and the second pipe in conjunction with the upper pressure plate. A stop bar is provided on one side of the wedge and inside the frame to limit the wedge.

[0008] Furthermore, a first guide groove for guiding the movement of the stop bar is provided on the outer side of the stop bar and inside the frame. The upper end of the stop bar is provided with a notch, and there are two sets of notches that correspond one-to-one with the wedges. The wedges are used to pull out from the first receiving groove along the notch. The lower end of the notch is at the same horizontal plane as the lower end of the first receiving groove. One end of the stop bar located inside the frame is fixedly connected to a limiting block, and a first retraction groove is provided on the outside of the limiting block and inside the frame; A pull block is fixedly connected to one end of the stop bar located outside the frame, which is used to pull and adjust the stop bar.

[0009] Furthermore, the left and right adjustment component includes: A horizontal guide rail is fixedly connected to the upper end of the base, and two sets of the horizontal guide rail are provided below each set of frames. The slider is slidably inserted into the interior of the transverse guide rail; A guide roller is rotatably mounted below the slider to reduce friction between the slider and the transverse guide rail. A first electric cylinder is located inside the slider. The drive end of the first electric cylinder is fixedly connected to a first top block, which is used to press against the inner side of the transverse guide rail to position the sliding. A second receiving groove is provided on one side of the slider to accommodate the first top block. The first support plate is fixedly connected to the upper end of the slider and is used to support the frame. The first T-shaped rail is fixedly connected to the upper end of the first bearing plate and is used to limit and guide the movement of the frame. The lower end of the frame is provided with a T-shaped groove that matches the first T-shaped rail.

[0010] Furthermore, the internal support component includes: The housing is installed on the upper part of the up-and-down adjustment assembly; A support frame is fixedly inserted into the inside of the box. The support frame is square and has a cavity at its upper end. The insert shaft is provided in two sets, which are fixedly connected to both ends of the support frame respectively; A second drive motor is installed on one side of the support frame, and a second drive gear is connected to the drive end of the second drive motor located inside the cavity; The rack has two sets, which mesh with the upper and lower ends of the second drive gear respectively; A top shaft is fixedly connected to one end of the rack, and the top shaft passes through the cavity, through the support frame, and into the insert shaft. The third top block is fixedly connected to one end of the top shaft, and a second guide groove is provided inside the insertion shaft and outside the third top block for guiding the movement of the third top block.

[0011] Furthermore, the outer side of the insertion shaft is provided with four sets of insertion ports that communicate with the second guide groove at equal angles; The socket is slidably connected to a support rod for supporting the inner holes of pipe one and pipe two; The support rod has a horizontal groove at one end inside the second guide groove, and a third inclined surface is provided on one side of the horizontal groove; The outer side of the third top block is provided with a second inclined surface that corresponds one-to-one with the third inclined surface; The support rod has limiting protrusions at both ends and inside the second guide groove to limit the movement of the support rod.

[0012] Furthermore, the up-and-down adjustment component includes: A longitudinal guide rail is mounted on the upper end of the base; The lifting rod slides up and down inside the longitudinal guide rail; The second electric cylinder is located inside the lifting rod. The driving end of the second electric cylinder is fixedly connected to a second top block, which is used to press against the inner side of the longitudinal guide rail to position the lifting rod. A third receiving groove is provided on one side of the lifting rod to accommodate the second top block. The second bearing plate is fixedly connected to the upper end of the lifting rod; The second T-shaped rail is connected to the upper end of the second bearing plate and is used to limit and guide the movement of the box.

[0013] Furthermore, the polishing unit includes; The first drive motor is installed on the upper end of the housing, and the second drive motor is a dual-axis two-phase stepper motor. The first drive gear has two sets, which are fixedly connected to both ends of the first drive motor; A driven gear is rotatably sleeved on the outside of the insert shaft. The driven gear meshes with the first drive gear. A limiting ring for limiting the driven gear is fixedly sleeved on the outside of the insert shaft and inside the driven gear. An annular groove for accommodating the limiting ring is provided on the outside of the limiting ring and inside the driven gear. The second retraction groove is provided in multiple sets at equal angles inside the driven gear; The guide block is slidably inserted into the second retraction groove; The telescopic rod is fixedly connected to one end of the guide block and passes through the inside of the second retraction groove to the outside of the driven gear; The grinding tool is fixedly connected to one end of the telescopic rod and is used to grind the joint end of pipe one and pipe two flat.

[0014] Furthermore, a pre-tensioning spring is fitted on the outside of the telescopic rod and between the grinding tool and the driven gear, for pressing the grinding tool against the joint end of pipe one and pipe two.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention places pipes 1 and 2, which need to be connected and welded, inside their respective frames, so that the outer sides of pipes 1 and 2 contact the first inclined surface. A wedge is inserted into the first receiving groove along the notch, so that the wedge-shaped surface on one side of the wedge and the first inclined surface limit the lower part of pipes 1 and 2. Along the pull block, the pull block drives the notch and the wedge to be misaligned through the stop rod. At this time, the stop rod limits the wedge. Then, the first cylinder is activated, and the first cylinder drives the upper pressure plate to move downward to limit pipes 1 and 2, completing the clamping work of pipes 1 and 2. By setting the wedge to be detachable, this invention can directly transition pipes 1 and 2 horizontally into the frame along the horizontal plane where the bottom surface of the frame is located, without the need to lower pipes 1 and 2 from directly above the wedge and the first inclined surface, which would cause impact on pipes 1 and 2, the first inclined surface, and the wedge, thus reducing the space of the frame.

[0016] 2. This invention pushes the frame along the first T-shaped rail, causing the frame to move pipe one and pipe two until they are fitted onto the outside of the insert shaft. At this time, the mating ends of pipe one and pipe two are pressed against one end of the grinding tool, and the pre-tension spring is in a compressed state. The second drive motor is started, and the second drive motor drives the rack to move through the second drive gear. The rack drives the third top block to move along the second guide groove through the top shaft. The third top block drives the support rod to move along the insertion port through the second inclined surface, causing the support rod to expand outward. During the expansion of the support rod, the support rod drives the corresponding frame to move through pipe one and pipe two. The frame drives the slider to move along the transverse guide rail through the first bearing plate, so that the originally misaligned pipe one and pipe two are adjusted to an aligned state. The first electric cylinder is started, and the first electric cylinder drives the first top block to move from the second receiving groove and press against one side of the transverse guide rail, so that the position of the slider is locked, thereby achieving the effect of automatic left and right alignment of pipe one and pipe two.

[0017] 3. In this invention, as the strut expands outward to gradually align pipe one and pipe two vertically, the reaction force of pipe one and pipe two on the strut causes the strut to move via the insert shaft. The support frame, through the housing and the second support plate, moves the lifting rod along the longitudinal guide rail until pipe one and pipe two are aligned vertically. At this point, the second electric cylinder is activated, which moves the second top block from the third receiving groove and pushes it to the inside of the longitudinal guide rail, locking the position of the lifting rod. This completes the comprehensive positioning of pipe one and pipe two vertically and horizontally from the inside, ensuring that the inner holes of pipe one and pipe two are on the same axis, greatly reducing the deviation of the inner hole of the pipes at the joint and weld.

[0018] 4. After the pipes 1 and 2 are fully positioned in all directions, the first drive motor is started. The first drive motor drives the driven gear to rotate through the first drive gear. The driven gear drives the grinding tool through the telescopic rod to grind the pipes 1 and 2 synchronously. This ensures that the contact ends of the pipes 1 and 2 that are subsequently connected are ground flat at the same time. The entire grinding process ensures that the pipes 1 and 2 are always in a coaxial state, which improves both grinding accuracy and grinding efficiency.

[0019] 5. This invention controls the second drive motor to rotate in the reverse direction, causing the third top block to reset and separate from the third inclined surface. The support rod separates from the inner holes of pipe one and pipe two. At this time, the frame is pushed along the first T-shaped rail, causing pipe one and pipe two to move out from the outside of the insertion shaft. Then, the box is pushed along the second T-shaped rail, and the box moves the insertion shaft out between pipe one and pipe two through the support frame. Subsequently, the frame is pushed in the reverse direction along the first T-shaped rail, and the first frame drives pipe one and pipe two to move to the docking state. During this process, pipe one and pipe two are always in a coaxial state throughout the entire movement process, ensuring that when pipe one and pipe two are docked, the original grinding positioning reference is still used, reducing docking errors.

[0020] 6. This invention achieves the same reference for grinding, docking, and welding of pipes by performing axial welding along the joint of pipe one and pipe two, and the positioning reference during the welding process is still the positioning reference of pipe grinding. This improves the accuracy of the entire pipe connection. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This diagram illustrates the cooperation relationship between the clamping component and the left-right adjustment component of the present invention. Figure 3 This is a schematic diagram of the internal structure of the clamping component and the left-right adjustment component of the present invention; Figure 4 This is a schematic diagram of the internal structure of the transverse guide rail of the present invention. Figure 5 This is a schematic diagram of the friction unit structure of the present invention; Figure 6 This is a schematic diagram of the internal structure of the longitudinal guide rail of the present invention; Figure 7 This is a diagram showing the fit between the driven gear and the guide block in this invention. Figure 8 This is a diagram showing the state of the support rod of the present invention providing internal support for the pipe. Figure 9 For the present invention in Figure 8 Enlarged view of point A in the middle; Figure 10This is a diagram showing the fit between the insert shaft and the support frame of the present invention; Figure 11 This is a schematic diagram of the internal structure of the insert shaft of the present invention; Figure 12 This is a schematic diagram of the pipe 1 detached from the insertion shaft according to the present invention; Figure 13 This is a schematic diagram of the docking state of pipe one and pipe two according to the present invention.

[0022] Reference numerals: 100, base; 101, pipe one; 102, pipe two; 1, clamping unit; 11, clamping assembly; 111, frame; 1111, first inclined surface; 1112, first receiving groove; 1113, first retraction groove; 1114, first guide groove; 112, upper pressure plate; 113, first cylinder; 114, stop bar; 1141, notch; 1142, limit block; 1143, pull block; 115, wedge block; 12, left and right adjustment assembly; 121, transverse guide rail; 1211, second receiving groove; 122, slider; 123, guide roller; 124, first electric cylinder; 1241, first top block; 125, first bearing plate; 126, first T-shaped rail; 2, grinding unit; 21, first drive motor; 22, first drive gear; 23, driven gear; 231, second retraction groove; 232. Annular groove; 24. Guide block; 25. Telescopic rod; 26. Grinding tool; 27. Preload spring; 3. Internal support unit; 31. Up and down adjustment assembly; 311. Longitudinal guide rail; 312. Lifting rod; 3121. Third receiving groove; 313. Second electric cylinder; 314. Second top block; 315. Second bearing plate; 316. Second T-rail; 32. Internal support assembly; 321. Box body; 322. Bearing... Frame; 3221, cavity; 323, insert shaft; 3231, insertion port; 3232, second guide groove; 3233, limiting ring; 324, second drive motor; 3241, second drive gear; 325, rack; 326, top shaft; 327, third top block; 3271, second inclined surface; 328, support rod; 3281, horizontal groove; 3282, third inclined surface; 3283, limiting protrusion. Detailed Implementation

[0023] The technical solutions of 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 of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Please see Figure 1-13 The present invention provides a technical solution: A pipe auxiliary docking device includes a base 100, two pipes 101 and 102 located above the base 100 for mutual docking, and further includes: The clamping unit 1 includes a clamping component 11 for clamping pipe 101 and pipe 2 102, and a left and right adjustment component 12 disposed at the lower end of the clamping component 11 for adjusting the left and right alignment of pipe 101 and pipe 2 102. The inner support unit 3 includes an inner support assembly 32 disposed between the first pipe 101 and the second pipe 102 for coaxial adjustment of the inner holes of the first pipe 101 and the second pipe 102, and an upper and lower adjustment assembly 31 disposed at the lower end of the inner support assembly 32 for vertical alignment adjustment of the first pipe 101 and the second pipe 102. Grinding unit 2 is located on both sides of the inner support assembly 32 and is used to simultaneously grind the joint ends of pipe 101 and pipe 202, which are adjusted to be coaxial.

[0025] As an improvement, such as Figure 1-3 As shown, the clamping assembly 11 includes: The frame 111 has two sets, which correspond to pipe 101 and pipe 102 respectively; The upper pressure plate 112 is located at the upper end of the first pipe 101 and the second pipe 102, and is used to press the upper ends of the first pipe 101 and the second pipe 102 tightly. The upper pressure plate 112 is in an inverted V-shape. The first cylinder 113 is installed on the upper end of the frame 111 and is used to drive the upper pressure plate 112 to move up and down.

[0026] Furthermore, the frame 111 is C-shaped, and the lower end of the interior of the frame 111 is provided with a first inclined surface 1111; The lower end of the frame 111 is provided with a first receiving groove 1112, and the first receiving groove 1112 is provided in two sets; A wedge block 115 is slidably inserted inside the first receiving groove 1112. The wedge-shaped surface of the wedge block 115 is arranged in a V-shape with the first inclined surface 1111, and is used to cooperate with the upper pressure plate 112 to clamp the first pipe 101 and the second pipe 102. A stop bar 114 is provided on one side of the wedge 115 and inside the frame 111 for limiting the wedge 115.

[0027] Furthermore, such as Figure 3 As shown, a first guide groove 1114 for guiding the movement of the stop bar 114 is provided on the outside of the stop bar 114 and inside the frame 111. The upper end of the stop bar 114 is provided with a notch 1141. The notch 1141 is provided in two sets and corresponds one-to-one with the wedge 115. It is used to pull the wedge 115 out of the first receiving groove 1112 along the notch 1141. The lower end of the notch 1141 is at the same horizontal plane as the lower end of the first receiving groove 1112. One end of the stop bar 114 located inside the frame 111 is fixedly connected to a limiting block 1142, and a first retraction groove 1113 is provided on the outside of the limiting block 1142 and inside the frame 111. A pull block 1143 is fixedly connected to one end of the stop bar 114 located outside the frame 111, which is used to pull and adjust the stop bar 114.

[0028] Among them, such as Figure 3-4 As shown, the left and right adjustment component 12 includes: A horizontal guide rail 121 is fixedly connected to the upper end of the base 100, and two sets of the horizontal guide rail 121 are provided below each set of frame 111. Slider 122 is slidably inserted into the transverse guide rail 121; The guide roller 123 is rotatably disposed at the lower part of the slider 122 to reduce the friction between the slider 122 and the transverse guide rail 121. The first electric cylinder 124 is located inside the slider 122. The driving end of the first electric cylinder 124 is fixedly connected to a first top block 1241, which is used to press against the inner side of the transverse guide rail 121 to position the sliding. A second receiving groove 1211 is provided on one side of the slider 122 for accommodating the first top block 1241. The first support plate 125 is fixedly connected to the upper end of the slider 122 and is used to support the frame 111; The first T-shaped rail 126 is fixedly connected to the upper end of the first bearing plate 125 and is used to limit and guide the movement of the frame 111. The lower end of the frame 111 is provided in a T-shaped groove that is adapted to the first T-shaped rail 126.

[0029] As an improvement, such as Figure 1 , Figure 9-11 As shown, the inner support assembly 32 includes: The housing 321 is installed on the upper part of the up-down adjustment assembly 31; The support frame 322 is fixedly inserted into the box 321. The support frame 322 is square and has a cavity 3221 at its upper end. Two sets of insert shafts 323 are provided, which are fixedly connected to both ends of the support frame 322 respectively, and the two sets of insert shafts 323 are on the same axis. The second drive motor 324 is installed on one side of the support frame 322, and the drive end of the second drive motor 324 is connected to the second drive gear 3241 inside the cavity 3221. The rack 325 has two sets, which respectively mesh with the upper and lower ends of the second drive gear 3241; A top shaft 326 is fixedly connected to one end of the rack 325. The top shaft 326 extends from the inside of the cavity 3221 through the support frame 322 to the inside of the insert shaft 323. The third top block 327 is fixedly connected to one end of the top shaft 326. The insert shaft 323 has a second guide groove 3232 inside and outside the third top block 327 for guiding the movement of the third top block 327.

[0030] Furthermore, the outer side of the insertion shaft 323 is provided with four sets of insertion ports 3231 that communicate with the second guide groove 3232 at equal angles; The socket 3231 is slidably connected to a support rod 328 for supporting the inner holes of pipe 101 and pipe 2 102; The support rod 328 has a horizontal groove 3281 at one end inside the second guide groove 3232, and a third inclined surface 3282 is provided on one side of the horizontal groove 3281. The outer side of the third top block 327 is provided with a second inclined surface 3271 that corresponds one-to-one with the third inclined surface 3282; The support rod 328 has limiting protrusions 3283 at both ends and inside the second guide groove 3232, which are used to limit the movement of the support rod 328; The initial end of the support rod 328 is provided with a corner, which facilitates the introduction of pipe 101 and pipe 2102 to the outside of the support rod 328.

[0031] Furthermore, such as Figure 5-6 As shown, the up-down adjustment component 31 includes: Longitudinal guide rail 311 is installed on the upper end of the base 100; The lifting rod 312 is slidably inserted into the longitudinal guide rail 311; The second electric cylinder 313 is located inside the lifting rod 312. The driving end of the second electric cylinder 313 is fixedly connected to the second top block 314, which is used to press against the inner side of the longitudinal guide rail 311 to position the lifting rod 312. The lifting rod 312 has a third receiving groove 3121 on one side for accommodating the second top block 314. The second bearing plate 315 is fixedly connected to the upper end of the lifting rod 312; The second T-shaped rail 316 is connected to the upper end of the second bearing plate 315 and is used to limit and guide the movement of the box 321.

[0032] As an improvement, such as Figure 1 , Figure 5 , Figure 7-11 As shown, the polishing unit 2 includes; The first drive motor 21 is installed on the upper end of the housing 321, and the second drive motor 324 is a dual-axis two-phase stepper motor. The first drive gear 22 has two sets, which are fixedly connected to both ends of the first drive motor 21; Driven gear 23 is rotatably sleeved on the outside of insert shaft 323. Driven gear 23 meshes with first drive gear 22. A limiting ring 3233 for limiting the driven gear 23 is fixedly sleeved on the outside of insert shaft 323 and inside driven gear 23. An annular groove 232 for accommodating limiting ring 3233 is provided on the outside of limiting ring 3233 and inside driven gear 23. The second retraction groove 231 is provided with multiple sets at equal angles inside the driven gear 23; Guide block 24 is slidably inserted into the second retraction groove 231; The telescopic rod 25 is fixedly connected to one end of the guide block 24 and passes through the inside of the second retraction groove 231 to the outside of the driven gear 23; The grinding tool 26 is fixedly connected to one end of the telescopic rod 25 and is used to grind the joint end of pipe 101 and pipe 202.

[0033] Furthermore, a pre-tensioning spring 27 is sleeved on the outside of the telescopic rod 25 and between the grinding tool 26 and the driven gear 23, for pressing the grinding tool 26 against the docking end of pipe one 101 and pipe two 102.

[0034] It should be noted that: in the specific implementation process of this invention, such as Figure 1-3As shown, pipes 101 and 102, which need to be butted and welded, are placed inside their respective frames 111, so that the outer sides of pipes 101 and 102 are in contact with the first inclined surface 1111. A wedge 115 is inserted into the first receiving groove 1112 along the notch 1141, so that the wedge-shaped surface on one side of the wedge 115 and the first inclined surface 1111 limit the lower parts of pipes 101 and 102. Along the pull block 1143, the pull block 1143, through the stop rod 114, causes the notch 1141 to be misaligned with the wedge 115. At this time, the stop rod 114 limits the wedge 115. Then, the first cylinder 113 is activated. The first cylinder 113 drives the upper pressure plate 112 to move downward to limit the position of pipe 101 and pipe 2 102, thus completing the clamping work of pipe 101 and pipe 2 102. By setting the wedge 115 to be detachable, the present invention can directly transition pipe 101 and pipe 2 102 to the inside of the frame 111 along the horizontal plane where the bottom surface of the frame 111 is located. There is no need to lower pipe 101 and pipe 2 102 from directly above the wedge 115 and the first inclined surface 1111, which would cause the pipe 101 and pipe 2 102 to collide with the first inclined surface 1111 and the wedge 115, thus reducing the space of the frame 111. like Figure 1-4 , Figure 9-11 As shown, after pipe 101 and pipe 2 102 are clamped, they push the frame 111 along the first T-rail 126. The frame 111 moves pipe 101 and pipe 2 102 until they are fitted onto the outside of the insert shaft 323. At this time, the mating ends of pipe 101 and pipe 2 102 are pressed against one end of the grinding tool 26, and the pre-tension spring 27 is in a compressed state. The second drive motor 324 is started. The second drive motor 324 drives the rack 325 to move through the second drive gear 3241. The rack 325 drives the third top block 327 to move along the second guide groove 3232 through the top shaft 326. The third top block 327 drives the support rod 328 to move along the second inclined surface 3271 through cooperation with the third inclined surface 3282. As the connector 3231 moves, the support rod 328 expands outward. During the expansion of the support rod 328, the support rod 328 drives the corresponding frame 111 to move through pipe 101 and pipe 2 102. The frame 111 drives the slider 122 to move along the transverse guide rail 121 through the first bearing plate 125, so that the pipe 101 and pipe 2 102, which were originally misaligned, are adjusted to be aligned. The first electric cylinder 124 is activated, and the first electric cylinder 124 drives the first top block 1241 to move from the second receiving groove 1211 and push against one side of the transverse guide rail 121, so that the position of the slider 122 is locked, thereby achieving the effect of automatic left and right alignment of pipe 101 and pipe 2 102. like Figure 1 , Figure 6As shown, in addition, during the process of gradually aligning pipe 101 and pipe 2102 by expanding outward with the strut 328, the strut 328 drives the support frame 322 to move through the insert shaft 323 under the reaction force of pipe 101 and pipe 2102 on the strut 328. The support frame 322 drives the lifting rod 312 to move along the interior of the longitudinal guide rail 311 under the action of the second support plate 315 through the box 321. When the vertical adjustment of pipe 101 and pipe 2102 is aligned, the second electric cylinder 313 is activated. The second electric cylinder 313 drives the second top block 314 to move from the third receiving groove 3121 and push against the inside of the longitudinal guide rail 311, so that the position of the lifting rod 312 is locked. This completes the overall positioning of pipe 101 and pipe 2102 from the inside, ensuring that the inner holes of pipe 101 and pipe 2102 are on the same axis, which greatly reduces the deviation of the inner hole of the pipe at the joint and weld. like Figure 5 , Figure 7-11 As shown, after pipe 101 and pipe 2 102 are fully positioned in all directions, the first drive motor 21 is started. The first drive motor 21 drives the driven gear 23 to rotate through the first drive gear 22. The driven gear 23 drives the grinding tool 26 through the telescopic rod 25 to grind pipe 101 and pipe 2 102 synchronously, so that the contact ends of pipe 101 and pipe 2 102 that are subsequently connected are ground flat synchronously. The entire grinding process ensures that pipe 101 and pipe 2 102 are always in a coaxial state, which improves both grinding accuracy and grinding efficiency. like Figure 12-13 As shown, after the grinding work is completed, the second drive motor 324 is controlled to rotate in the reverse direction, so that the third top block 327 is reset and disengaged from the third inclined surface 3282, and the support rod 328 is separated from the inner hole of pipe 101 and pipe 202. At this time, the frame 111 is pushed along the first T-shaped rail 126, so that pipe 101 and pipe 202 are moved out from the outside of the insertion shaft 323. Then, the box 321 is pushed along the second T-shaped rail 316. The box 321 moves the insertion shaft 323 out from between pipe 101 and pipe 202 through the support frame 322. Subsequently, the frame 111 is pushed in the reverse direction along the first T-shaped rail 126. The first frame 111 drives pipe 101 and pipe 202 to move to the docking state. During this process, pipe 101 and pipe 202 are always in a coaxial state throughout the movement process, ensuring that when pipe 101 and pipe 202 are docked, the original grinding positioning reference is still used, reducing the docking error. like Figure 13As shown, after the docking is completed, axial welding is performed along the docking point of pipe 101 and pipe 202. The positioning reference during the welding process is still the positioning reference of pipe grinding, thus realizing that the grinding, docking and welding of pipes are carried out under the same reference, which improves the accuracy of the entire pipe connection. After welding, the first cylinder 113 drives the upper pressure plate 112 to move upward to reset, pulls the pull block 1143, and the pull block 1143 drives the stop bar 114 to move so that the notch 1141 corresponds to the first receiving groove 1112. The wedge block 115 is removed, and then the welded pipe is moved horizontally out of the frame 111, completing the connection of the pipe.

[0035] 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.

[0036] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pipe auxiliary butt joint device, comprising a base (100), a pipe one (101) and a pipe two (102) above the base (100) for butt joint, characterized in that, Also includes: The clamping unit (1) includes a clamping assembly (11) for clamping pipe one (101) and pipe two (102), and a left and right adjustment assembly (12) disposed at the lower end of the clamping assembly (11) for adjusting the left and right alignment of pipe one (101) and pipe two (102). The inner support unit (3) includes an inner support assembly (32) disposed between the first pipe (101) and the second pipe (102) for coaxial adjustment of the inner holes of the first pipe (101) and the second pipe (102), and an upper and lower adjustment assembly (31) disposed at the lower end of the inner support assembly (32) for adjusting the upper and lower alignment of the first pipe (101) and the second pipe (102); Grinding unit (2) is provided on both sides of the inner support assembly (32) and is used to grind the joint ends of pipe one (101) and pipe two (102) which are adjusted to a coaxial state simultaneously; The clamping assembly (11) includes: The frame (111) has two sets, which correspond to pipe one (101) and pipe two (102) respectively; The upper pressure plate (112) is located at the upper end of the first pipe (101) and the second pipe (102) and is used to press the upper ends of the first pipe (101) and the second pipe (102) tightly. The upper pressure plate (112) is in an inverted V-shape. The first cylinder (113) is installed on the upper end of the frame (111) and is used to drive the upper pressure plate (112) to move up and down; The internal support component (32) includes: The housing (321) is installed on the upper part of the up-down adjustment assembly (31); A support frame (322) is fixedly inserted into the box (321). The support frame (322) is square and has a cavity (3221) at its upper end. Two sets of insertion shafts (323) are provided, which are fixedly connected to both ends of the support frame (322); A second drive motor (324) is installed on one side of the support frame (322), and a second drive gear (3241) is connected to the drive end of the second drive motor (324) and located inside the cavity (3221); The rack (325) is provided in two sets, which respectively mesh with the upper and lower ends of the second drive gear (3241); The top shaft (326) is fixedly connected to one end of the rack (325). The top shaft (326) passes through the cavity (3221) through the support frame (322) to the insertion shaft (323). The third top block (327) is fixedly connected to one end of the top shaft (326). The insert shaft (323) is provided with a second guide groove (3232) inside and outside the third top block (327) for guiding the movement of the third top block (327). The outer side of the insert shaft (323) is provided with four sets of insertion ports (3231) that communicate with the second guide groove (3232) at equal angles; The socket (3231) is slidably connected to a support rod (328) for supporting the inner holes of pipe one (101) and pipe two (102); The support rod (328) has a horizontal groove (3281) at one end inside the second guide groove (3232), and a third inclined surface (3282) is provided on one side of the horizontal groove (3281); The outer side of the third top block (327) is provided with a second inclined surface (3271) that corresponds one-to-one with the third inclined surface (3282); The support rod (328) has limiting protrusions (3283) at both ends and inside the second guide groove (3232) for limiting the movement of the support rod (328).

2. The pipe auxiliary docking device according to claim 1, characterized in that: The frame (111) is C-shaped, and the lower end of the interior of the frame (111) is provided with a first inclined surface (1111); The lower end of the frame (111) is provided with a first receiving groove (1112), and the first receiving groove (1112) is provided with two sets; A wedge (115) is slidably inserted inside the first receiving groove (1112). The wedge-shaped surface of the wedge (115) is arranged in a V-shape with the first inclined surface (1111) to cooperate with the upper pressure plate (112) to clamp the first pipe (101) and the second pipe (102). A stop bar (114) is provided on one side of the wedge (115) and inside the frame (111) for limiting the wedge (115).

3. The pipe auxiliary docking device according to claim 2, characterized in that: The stop bar (114) is provided outside the frame (111) and inside the frame (111) for guiding the movement of the stop bar (114); The upper end of the stop bar (114) is provided with a notch (1141), and the notch (1141) is provided in two sets and corresponds one to one with the wedge (115), which is used to pull the wedge (115) out of the first receiving groove (1112) along the notch (1141). The lower end of the notch (1141) is at the same horizontal plane as the lower end of the first receiving groove (1112). The stop bar (114) is fixedly connected to a limiting block (1142) at one end inside the frame (111), and a first retraction groove (1113) is provided on the outside of the limiting block (1142) and inside the frame (111). The stop bar (114) is fixedly connected to a pull block (1143) at one end outside the frame (111), which is used to pull and adjust the stop bar (114).

4. The pipe auxiliary docking device according to claim 1, characterized in that: The left and right adjustment component (12) includes: A horizontal guide rail (121) is fixedly connected to the upper end of the base (100), and two sets of the horizontal guide rail (121) are provided below each set of frames (111); The slider (122) is slidably inserted into the transverse guide rail (121); The guide roller (123) is rotatably disposed at the lower part of the slider (122) to reduce the friction between the slider (122) and the transverse guide rail (121); A first electric cylinder (124) is located inside the slider (122). The drive end of the first electric cylinder (124) is fixedly connected to a first top block (1241) for pressing against the inner side of the transverse guide rail (121) to position the sliding. A second receiving groove (1211) is provided on one side of the slider (122) for accommodating the first top block (1241). The first bearing plate (125) is fixedly connected to the upper end of the slider (122) and is used to support the frame (111); The first T-shaped rail (126) is fixedly connected to the upper end of the first bearing plate (125) and is used to limit and guide the movement of the frame (111). The lower end of the frame (111) is provided in a T-shaped groove that is adapted to the first T-shaped rail (126).

5. A pipe auxiliary docking device according to claim 1, characterized in that: The up-down adjustment component (31) includes: A longitudinal guide rail (311) is mounted on the upper end of the base (100); The lifting rod (312) is slidably inserted into the longitudinal guide rail (311); The second electric cylinder (313) is located inside the lifting rod (312). The driving end of the second electric cylinder (313) is fixedly connected to the second top block (314), which is used to press against the inner side of the longitudinal guide rail (311) to position the lifting rod (312). The lifting rod (312) has a third receiving groove (3121) on one side for accommodating the second top block (314). The second bearing plate (315) is fixedly connected to the upper end of the lifting rod (312); The second T-shaped rail (316) is connected to the upper end of the second bearing plate (315) and is used to limit and guide the movement of the box (321).

6. A pipe auxiliary docking device according to claim 1, characterized in that: The polishing unit (2) includes: The first drive motor (21) is installed on the upper end of the housing (321), and the second drive motor (324) is a dual-axis two-phase stepper motor; The first drive gear (22) has two sets, which are fixedly connected to both ends of the first drive motor (21); Driven gear (23) is rotatably sleeved on the outside of the insert shaft (323). Driven gear (23) meshes with the first drive gear (22). A limiting ring (3233) for limiting the driven gear (23) is fixedly sleeved on the outside of the insert shaft (323) and inside the driven gear (23). An annular groove (232) for accommodating the limiting ring (3233) is provided on the outside of the limiting ring (3233) and inside the driven gear (23). The second retraction groove (231) is provided in multiple sets at equal angles inside the driven gear (23); The guide block (24) is slidably inserted into the second retraction groove (231); The telescopic rod (25) is fixedly connected to one end of the guide block (24) and passes through the inside of the second retraction groove (231) to the outside of the driven gear (23); The grinding tool (26) is fixedly connected to one end of the telescopic rod (25) and is used to grind the joint ends of pipe one (101) and pipe two (102) flat.

7. A pipe auxiliary docking device according to claim 6, characterized in that: A preload spring (27) is fitted on the outside of the telescopic rod (25) and between the grinding tool (26) and the driven gear (23) to press the grinding tool (26) against the joint end of pipe one (101) and pipe two (102).

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