A pipe clamping mechanism for facilitating nut installation

Abstract

The present invention discloses a pipe clamping mechanism that is convenient for nut installation, including a support platform and a driving component, the driving component is connected to the clamping mechanism through transmission, the support platform is provided with a load-bearing member, a material-taking assembly and a fixing ring, the load-bearing member bears the front end of the pipe, the outer wall of the rear end of the pipe is sleeved with the working end of the clamping mechanism, the fixing ring is sleeved with a feeding screw, the feeding screw is slidably sleeved with the pipe, a mounting hole is reserved on the pipe, the upper wall of the feeding screw is connected to a material-carrying member, and a detachable connecting nut is provided on the material-carrying member. The present invention has a simple structure, drives the feeding screw into the interior of the pipe, and then controls the position of the nut through the material-carrying member and the material-taking assembly, greatly improves the accuracy of the relative position of the nut and the pipe during welding, improves the quality and efficiency of the pipe nut welding operation, reduces the power cost through a single driving motor, realizes the linkage of the entire device through the clamping mechanism, the fixing ring and the feeding screw, and improves the integrity and practicality of the device.

Description

Technical Field

[0001] The invention relates to the technical field of processing fixtures, and in particular to a pipe clamping mechanism which is convenient for installing a nut. Background Art

[0002] Many jigs and fixtures are used in the production and processing of automobile parts. In the processing of pipe fittings, some pipe fittings need to drill a mounting hole in the middle and then weld a nut to the mounting hole to facilitate the subsequent installation of pipe fittings and other parts. However, the existing welding fixtures are inconvenient to operate and require manual support and adjustment of the position of the pipe fitting mounting hole for welding, which not only increases labor costs but also has low processing and welding efficiency.

[0003] Therefore, it is necessary to design a pipe clamping mechanism for processing pipe parts to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art and to provide a pipe clamping mechanism that is convenient for nut installation.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A pipe clamping mechanism that is convenient for installing nuts includes a support table, a driving component fixedly connected to the right front of the upper surface of the support table, the driving component is transmission-connected to the clamping mechanism, a load-bearing part and a material-taking assembly are provided on the wall surface of the support table in front of the clamping mechanism, the upper surface of the load-bearing part supports the front end of the pipe, the outer wall of the rear end of the pipe is sleeved with the working end of the clamping mechanism, a fixing ring is provided on the upper surface of the support table behind the fixing ring, the fixing ring is coaxially transmission-sleeved with a feeding screw, the outer wall of the feeding screw is slidingly sleeved with the inner wall of the pipe, an installation hole is reserved on the pipe, the upper wall of the feeding screw is slidingly connected to a loading part corresponding to the installation hole, and a detachable connecting nut is provided on the loading part.

[0007] Preferably, the driving component comprises a first mounting plate, a front wall of the first mounting plate is fixedly connected to the correction motor, an output end of the correction motor passes through the first mounting plate and an end portion is coaxially connected to the correction gear.

[0008] Preferably, the material picking assembly includes a second mounting plate fixedly connected to the left front of the upper surface of the support platform, the upper end of the second mounting plate is fixedly connected to the control cylinder, the output end of the control cylinder passes through the second mounting plate and the end is connected to the material picking piece, and the end of the material picking piece is connected to an electromagnet and a sensor.

[0009] Preferably, a first mounting groove is opened in the middle of the upper surface of the support platform, and a second mounting groove and a movable groove are opened at the front and rear ends of the first mounting groove respectively. The first mounting groove and the second mounting groove are fixedly connected to the fixing ring and the clamping mechanism respectively, and the movable groove is slidably connected to the feeding screw.

[0010] Preferably, a control motor is fixedly connected to the upper rear end of the fixing ring, an output end of the control motor passes through the fixing ring and an end portion is connected to the first control gear, a front side of the fixing ring is coaxially rotatably connected to the second control gear, a through hole is opened in the middle of the second control gear, and a thread groove is provided on the inner side of the through hole, and a side wall of the fixing ring is rotatably connected to the third control gear corresponding to the left, bottom and right sides of the second control gear, the second control gear is transmission-connected with the first control gear and the three third control gears, the front ends of the first control gear and the third control gear are coaxially fixedly connected to the control rod, and a thread is provided on the outer side of the control rod.

[0011] Preferably, the clamping mechanism includes a mounting ring, a clamping member and a correction ring, a mounting member is provided on the outermost side of the mounting ring, the outer wall of the mounting member is fixedly connected to the rear end of the inner wall of the second mounting groove, the inner wall of the mounting member is connected to four groups of sliding members in a circular array, the four groups of sliding members are all provided with sliding portions, the inner walls of the rear ends of the four groups of sliding members are all fixedly connected to the fixing members, the inner walls of the four groups of fixing members are all fixedly connected to the first connecting members at an angle, control grooves are provided on the inner sides of the four groups of first connecting members, the rear ends of the four groups of first connecting members are all fixedly connected to the abutting members, and a first passing portion is provided in the middle of the side walls of the abutting members.

[0012] Preferably, the clamping member includes four groups of moving members distributed in a circular array, the outer ends of the four groups of moving members are all connected to the moving part, the four groups of moving members are respectively slidably connected to the inner wall of the sliding part through the moving part, the side walls of the four groups of moving members are all provided with a control part, the inside of the four groups of control parts are all provided with a threaded groove, the four groups of control parts are respectively threadedly connected to the control rod through the threaded groove, the front sides of the four groups of moving members are all fixedly connected to the second connecting member with an L-shaped cross-section, the lower ends of the four groups of second connecting members are fixedly connected to the first limiting member, the side walls of the four groups of moving members are all slidably connected to the telescopic members, the rear side walls of the four groups of telescopic members are all fixedly connected to the third connecting member, the four groups of third connecting members are all fixedly connected to the control members, the four groups of control members are slidably connected to the control grooves respectively in a one-to-one corresponding manner, the four groups of telescopic members are all slidably connected to the second limiting members, the inner walls of the four groups of second limiting members are all fixedly connected to the control ring, the inner sides of the four groups of control rings are all frosted, and the front ends of the control rings are fixedly connected to the third limiting members.

[0013] Preferably, the correction ring includes a correction piece, the outer side of the correction piece is provided with teeth, the correction piece is connected to the correction gear through the teeth, a first limiting groove is provided in the middle part of the outer side of the correction ring, the first limiting piece is slidably connected to the inner wall of the first limiting groove, four groups of second limiting grooves are provided in a circular array at the rear end of the correction ring, the third limiting piece is detachably connected to the second limiting groove, and a second passing portion is provided on the correction ring corresponding to the pipe fitting.

[0014] Preferably, the outer wall of the feeding screw is provided with a thread, and the feeding screw is connected to the second control gear through the thread and the thread groove. The diameter of the outer wall of the feeding screw is smaller than the diameter of the inner wall of the pipe fitting. A fourth limit piece is fixedly arranged at the lower end of the rear side of the feeding screw, and the lower end of the fourth limit piece is slidably connected to the inner wall of the movable groove. A placement groove is provided on the upper wall of the front end of the feeding screw, and the inner wall of the placement groove is slidably and detachably connected to the loading piece.

[0015] Preferably, the loading member includes a support plate, the upper wall of the support plate is fixedly connected to the support member, the four corners of the upper end of the support plate are fixedly connected to elastic members, the upper end of the elastic member is fixedly connected to the lower wall of the placing member, the upper surface of the placing member adopts a curved surface structure consistent with the curvature of the inner diameter of the pipe, and the placing member corresponds to the support member to open a loading groove.

[0016] Preferably, the shapes of the support member, the loading trough and the mounting nut are consistent with the mounting hole.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention has a simple structure. The pipe fitting is clamped and fixed from the outer wall of the pipe fitting by the load-bearing member and the clamping mechanism. The position of the nut is controlled by driving the feeding screw into the pipe fitting and then by the material carrier and the material taking assembly. The relative position accuracy of the nut and the pipe fitting is greatly improved during the welding process, the labor cost is reduced, and the quality and efficiency of the pipe fitting nut welding operation are improved.

[0019] 2. A single drive motor is used to provide driving force for the overall operation of the device, which reduces electricity costs and improves the overall stability of the device. The clamping mechanism, fixed ring and feeding screw are used to achieve the overall linkage of the device, thereby improving the integrity and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more specifically and intuitively illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0021] Figure 1 This is a schematic diagram of the overall structure from a first perspective in a state where a pipe is not clamped provided by the present invention.

[0022] Figure 2 This is a schematic diagram of the overall structure from a second viewing angle when the pipe is not clamped provided by the present invention.

[0023] Figure 3 This is a schematic diagram of the overall structure from a first perspective in a pipe clamping state provided by the present invention.

[0024] Figure 4 This is a schematic diagram of the overall structure from a second viewing angle in a pipe clamping state provided by the present invention.

[0025] Figure 5 This is a schematic diagram of the overall structure of the support platform provided by the present invention from a first viewing angle.

[0026] Figure 6 This is a schematic diagram of the overall structure of the support platform provided by the present invention from a second viewing angle.

[0027] Figure 7 This is a schematic diagram of the overall structure of the clamping mechanism provided by the present invention from a first viewing angle.

[0028] Figure 8 This is a schematic diagram of the overall structure of the clamping mechanism provided by the present invention from a second viewing angle.

[0029] Fig. 9 This is an exploded schematic diagram of the clamping mechanism structure provided by the present invention.

[0030] Fig.10 This is a schematic diagram of the overall structure of the mounting ring provided by the present invention from a first viewing angle.

[0031] Fig.11 This is a schematic diagram of the overall structure of the mounting ring provided by the present invention from a second viewing angle.

[0032] Fig.12 This is a schematic diagram of the overall structure of the clamping member provided by the present invention from a first viewing angle.

[0033] Fig.13 This is a schematic diagram of the overall structure of the clamping member provided by the present invention from a second viewing angle.

[0034] Fig.14 This is a schematic diagram of the correction ring structure under the first viewing angle provided by the present invention.

[0035] Fig.15 This is a schematic diagram of the correction ring structure under the second viewing angle provided by the present invention.

[0036] Fig.16 This is a schematic diagram of the feeding screw structure provided by the present invention.

[0037] Fig.17 This is a schematic diagram of the overall structure of the material carrier provided by the present invention.

[0038] Fig.18 This is a schematic exploded view of the overall structure of the material carrier provided by the present invention.

[0039] In the figure: 100, support table; 101, first mounting groove; 102, second mounting groove; 103, moving groove; 110, first mounting plate; 111, correction motor; 112, correction gear; 120, second mounting plate; 121, control cylinder; 122, material taking part; 130, load-bearing part; 200, fixing ring; 210, control motor; 211, first control gear; 212, second control gear; 213, third control gear; 214, control rod; 300, clamping mechanism; 310, mounting ring; 311, mounting part; 312, sliding part; 313, sliding part; 314, fixing part; 315, first connecting part; 316, control groove; 317, abutting part; 318, first passing part; 320, Clamping member; 321, moving member; 322, moving part; 323, control part; 324, second connecting member; 325, first limiting member; 326, telescopic member; 3261, third connecting member; 3262, control member; 327, second limiting member; 328, control ring; 329, third limiting member; 330, correction ring; 331, correction member; 332, first limiting groove; 333, second limiting groove; 334, second passing part; 400, feeding screw; 401, placement groove; 410, fourth limiting member; 420, loading member; 421, support plate; 422, support member; 423, elastic member; 424, placement member; 425, loading groove; 426, mounting nut; 500, pipe fitting; 510, mounting hole. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0041] Reference Figure 1-18 A pipe clamping mechanism that is convenient for nut installation includes a support platform 100, a driving component is fixedly connected to the right front of the upper surface of the support platform 100, and the driving component is transmission-connected to the clamping mechanism 300. A load-bearing member 130 and a material-taking assembly are correspondingly arranged on the upper wall of the support platform 100 in front of the clamping mechanism 300. The upper surface of the load-bearing member 130 receives the front end of the pipe 500, and the outer wall of the rear end of the pipe 500 is sleeved and sleeved with the working end of the clamping mechanism 300. A fixing ring 200 is correspondingly arranged on the upper surface of the support platform 100 behind the fixing ring 200. The fixing ring 200 is coaxially transmission-sleeved with a feeding screw 400. The outer wall of the feeding screw 400 is slidably sleeved with the inner wall of the pipe 500. An installation hole 510 is reserved on the pipe 500. The upper wall of the feeding screw 400 is slidably connected to a carrier 420 corresponding to the installation hole 510, and the carrier 420 is detachably connected to a nut 426.

[0042] The pipe fitting 500 is clamped and fixed from the outer wall of the pipe fitting 500 by the load-bearing member 130 and the clamping mechanism 300, and the feeding screw 400 is driven to enter the interior of the pipe fitting 500, and the position of the nut 426 is controlled by the carrier 420 and the material taking assembly. This greatly improves the accuracy of the relative position of the nut 426 and the pipe fitting 500 during the welding process, reduces labor costs, and improves the quality and efficiency of the pipe fitting nut welding operation. A single drive motor is used to provide driving force for the overall operation of the device, which reduces electricity costs and improves the overall stability of the device. The clamping mechanism, the fixing ring and the feeding screw achieve the overall linkage of the device, which improves the integrity and practicality of the device.

[0043] In this case, the driving component includes a first mounting plate 110, the front wall of the first mounting plate 110 is fixedly connected to a correction motor 111, the output end of the correction motor 111 passes through the first mounting plate 110 and the end is coaxially connected to a correction gear 112, providing a stable external driving force for the clamping mechanism 300 and improving the integrity of the device.

[0044] In this case, the material picking component includes a second mounting plate 120 fixedly connected to the left front of the upper surface of the support platform 100, and the upper end of the second mounting plate 120 is fixedly connected to a control cylinder 121. The output end of the control cylinder 121 passes through the second mounting plate 120 and the end is connected to a material picking piece 122. An electromagnet and a sensor are connected to the end of the material picking piece 122. The control cylinder 121 is used to realize the stable lifting and lowering requirements of the material picking piece 122, thereby improving the accuracy of the operating stability of the device and providing convenience and practicality for the use of the device.

[0045] In this case, a first mounting groove 101 is opened in the middle of the upper surface of the support platform 100, and a second mounting groove 102 and a movable groove 103 are opened at the front and rear ends of the first mounting groove 101, respectively. The first mounting groove 101 and the second mounting groove 102 are respectively fixedly connected to the fixing ring 200 and the clamping mechanism 300, and the movable groove 103 is slidably connected to the feeding screw 400. By opening the groove, the stability of the connection between the fixing ring 200, the clamping mechanism 300 and the feeding screw 400 and the support platform 100 is improved, and the integrity of the device is improved.

[0046] In this case, the control motor 210 is fixedly connected to the upper rear end of the fixing ring 200, the output end of the control motor 210 passes through the fixing ring 200 and the end is connected to the first control gear 211, the front side of the fixing ring 200 is coaxially rotatably connected to the second control gear 212, a through hole is opened in the middle of the second control gear 212, and a thread groove is provided on the inner side of the through hole, the side wall of the fixing ring 200 is rotatably connected to the third control gear 213 corresponding to the left, bottom and right positions of the second control gear 212, the second control gear 212 is transmission-connected with the first control gear 211 and the three third control gears 213, the front ends of the first control gear 211 and the third control gear 213 are coaxially fixedly connected to the control rod 214, and the outer side of the control rod 214 is provided with a thread, and the stability of the device during operation is improved by means of multiple sets of gear linkage, and the precision of the device and the accuracy of the operation are improved.

[0047] In the present case, the clamping mechanism 300 includes a mounting ring 310, a clamping member 320 and a correction ring 330. A mounting member 311 is provided on the outermost side of the mounting ring 310. The outer wall of the mounting member 311 is fixedly connected to the rear end of the inner wall of the second mounting groove 102. The inner wall of the mounting member 311 is connected to four groups of sliding members 312 in a circular array. The four groups of sliding members 312 are all provided with a sliding portion 313. The inner walls of the rear ends of the four groups of sliding members 312 are all fixedly connected to the fixing members 314. The inner walls of the four groups of fixing members 314 are all fixedly connected to the first connecting members 315 at an angle. The inner sides of the four groups of first connecting members 315 are all provided with control grooves 316. The rear ends of the four groups of first connecting members 315 are all fixedly connected to the abutting members 317, and a first passing portion 318 is provided in the middle of the side wall of the abutting member 317.

[0048] In this case, the clamping member 320 includes four groups of moving members 321 distributed in a circular array, the outer ends of the four groups of moving members 321 are all connected to the moving part 322, the four groups of moving members 321 are respectively slidably connected to the inner wall of the sliding part 313 through the moving part 322, the side walls of the four groups of moving members 321 are all provided with a control part 323, the inside of the four groups of control parts 323 are all provided with a thread groove, the four groups of control parts 323 are respectively threadedly connected to the control rod 214 through the thread groove, the front sides of the four groups of moving members 321 are all fixedly connected to the second connecting member 324 with an L-shaped cross-section, the lower ends of the four groups of second connecting members 324 are fixedly connected to the first limiting member 325, and the side walls of the four groups of moving members 321 are all slidably connected to the extension The four telescopic parts 326 are all slidably connected to the second limit parts 327, and the inner walls of the four second limit parts 327 are all fixedly connected to the control ring 328. The inner sides of the four control rings 328 are all frosted, and the front end of the control ring 328 is fixedly connected to the third limit part 329, so that when the four control rings 328 are in contact with each other, the inner wall of the control ring 328 fits with the outer wall of the pipe 500, thereby improving the stability of the limit of the pipe 500.

[0049] In the present case, the correction ring 330 includes a correction piece 331, and teeth are provided on the outer side of the correction piece 331. The correction piece 331 is connected to the correction gear 112 through the teeth. A first limiting groove 332 is provided in the middle part of the outer side of the correction ring 330, and the first limiting piece 325 is slidably connected to the inner wall of the first limiting groove 332. Four groups of second limiting grooves 333 are provided in a circular array at the rear end of the correction ring 330, and the third limiting piece 329 is detachably connected to the second limiting groove 333. The correction ring 330 has a second passing portion 334 corresponding to the pipe 500. The stable driving force is improved by the correction motor 111. The stability and accuracy of the clamping mechanism 300 in the clamping operation are further improved by the multi-layer sliding connection structure distributed in the circular array and linked to each other, and the pipe 500 is protected by the device.

[0050] In the present case, the outer wall of the feeding screw 400 is provided with a thread, and the feeding screw 400 is transmission-connected to the second control gear 212 through the thread and the thread groove. The outer wall diameter of the feeding screw 400 is smaller than the inner wall diameter of the pipe 500. A fourth limit member 410 is fixedly provided at the lower rear end of the feeding screw 400, and the lower end of the fourth limit member 410 is slidingly connected to the inner wall of the movable groove 103. A placement groove 401 is provided on the upper wall of the front end of the feeding screw 400, and the inner wall of the placement groove 401 is slidingly and detachably connected to the loading member 420, which is convenient for the overall sliding of the feeding screw 400 and the subsequent disassembly and maintenance.

[0051] In this case, the loading member 420 includes a support plate 421, the upper wall of the support plate 421 is fixedly connected to the support member 422, the upper end of the support member 422 is made of iron material, the four corners of the upper end of the support plate 421 are fixedly connected to the elastic member 423, the upper end of the elastic member 423 is fixedly connected to the lower wall of the placement member 424, and the upper surface of the placement member 424 adopts a curved surface structure consistent with the curvature of the inner diameter of the pipe 500, so as to improve the tightness of the upper surface of the placement member 424 and the inner wall of the pipe 500. The placement member 424 is provided with a loading groove 425 corresponding to the support member 422, so that when the elastic member 423 is not compressed, the loading groove 425 can limit the position of the installation nut 426 and improve the stability of the lifting and lowering of the elastic member 423.

[0052] In this case, the shapes of the support member 422, the loading slot 425, and the mounting nut 426 are all consistent with the mounting hole 510, thereby improving the integrity of the device.

[0053] When welding nuts on pipe fittings, the staff places the mounting nut 426 in the loading groove 425, then places the pipe fitting 500 on the load-bearing member 130 and pushes the pipe fitting 500 until the pipe fitting 500 contacts the abutment member 317, then drives the first control gear 211, the second control gear 212, and the third control gear 213 to rotate simultaneously by controlling the motor 210, controls the feeding screw 400 to pass through the first through portion 318 and move to the inside of the pipe fitting 500, and at the same time, the rotation of the control rod 214 drives the moving member 321 to move along the sliding portion 313 through the cooperation with the control portion 323. The correction ring 330 and the moving member 321 move backward in the horizontal direction synchronously and are always meshed with the correction gear 112, so that the control member 3262 moves along the control groove 316, thereby driving the control ring 328 to move toward the pipe 500. At this time, the third limiting member 329 is always located in the second limiting groove 333 and moves toward the pipe 500 until the mounting nut 426 and the mounting hole 510 are located in the same vertical position and the control ring 328 is completely fitted with the pipe 500. Then, the correction motor 111 controls the correction gear 112 to rotate, so as to drive the correction ring 330 to rotate, and the second limiting member 329 is used to move the correction ring 330 to rotate. The groove 333 drives the third limiter 329 to rotate, so as to drive the pipe 500 to rotate through the control ring 328, until the sensor (not shown in the figure) at the lower end of the material picking member 122 senses that the mounting hole 510 is located at the vertical lower end of the material picking member 122, the correction motor 111 stops and locks the shaft, and then the control cylinder 121 controls the material picking member 122 to move downward and pass through the mounting hole 510 until the electromagnet at the lower end of the material picking member 122 contacts the upper end of the support member 422, and then the electromagnet is energized and controls the material picking member 122 to move upward, and when the upper surface of the loading slot 425 fits the inner wall of the pipe 500, the elastic member 425 is compressed. 23 and move the mounting nut 426 to the welding position of the mounting hole 510, and then manually weld the mounting nut 426 and the mounting hole 510. After welding is completed, the material picking piece 122 moves downward to return the support piece 422 and the electromagnet is powered off after the support piece 422 is returned. Then, the correction motor 111 controls the correction gear 112 to reverse to return the pipe fitting 500, and then the control motor 210 drives the first control gear 211, the second control gear 212, and the third control gear 213 to reverse to release the limit on the pipe fitting 500, and then the welded pipe fitting 500 can be removed.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pipe clamping mechanism for facilitating nut installation, comprising a support platform (100), characterized in that: The upper right front surface of the support platform (100) is fixedly connected to a driving component, which is in transmission connection with the clamping mechanism (300). The upper wall of the support platform (100) is provided with a load-bearing component (130) and a material taking component in front of the clamping mechanism (300). The upper surface of the load-bearing component (130) receives the front end of the pipe fitting (500). The outer wall of the rear end of the pipe fitting (500) is sleeved with the operating end of the clamping mechanism (300). A fixed ring (200) is provided at the rear of the fixed ring (200), the fixed ring (200) is coaxially driven and sleeved with a feeding screw (400), the outer wall of the feeding screw (400) is slidably sleeved with the inner wall of the pipe (500), a mounting hole (510) is reserved on the pipe (500), the upper wall of the feeding screw (400) corresponds to the mounting hole (510) and is slidably connected to a material carrier (420), and a detachable mounting nut (426) is provided on the material carrier (420); A first mounting groove (101) is provided in the middle of the upper surface of the support platform (100); a second mounting groove (102) and a movable groove (103) are respectively provided at the front and rear ends of the first mounting groove (101); the first mounting groove (101) and the second mounting groove (102) are respectively fixedly connected to the fixing ring (200) and the clamping mechanism (300); and the movable groove (103) is slidably connected to the feeding screw (400); The upper rear end of the fixing ring (200) is fixedly connected to the control motor (210); the output end of the control motor (210) passes through the fixing ring (200) and the end is connected to the first control gear (211); the front side of the fixing ring (200) is coaxially rotatably connected to the second control gear (212); a through hole is provided in the middle of the second control gear (212), and a thread groove is provided on the inner side of the through hole; the side wall of the fixing ring (200) is rotatably connected to the third control gear (213) at the left, lower and right positions of the second control gear (212); the second control gear (212) is transmission-connected to the first control gear (211) and the three third control gears (213); the front ends of the first control gear (211) and the third control gear (213) are coaxially fixedly connected to the control rod (214), and the outer side of the control rod (214) is provided with a thread; The clamping mechanism (300) comprises a mounting ring (310), a clamping member (320) and a correction ring (330); a mounting member (311) is provided at the outermost side of the mounting ring (310); an outer wall of the mounting member (311) is fixedly connected to the rear end of the inner wall of the second mounting groove (102); the inner wall of the mounting member (311) is connected to four groups of sliding members (312) in a circular array; the four groups of sliding members (312) are all provided with sliding portions (313); the inner walls of the rear ends of the four groups of sliding members (312) are all fixedly connected to the fixing members (314); the inner walls of the four groups of fixing members (314) are all fixedly connected to the first connecting members (315) at an angle; the inner sides of the four groups of first connecting members (315) are all provided with control grooves (316); the rear ends of the four groups of first connecting members (315) are all fixedly connected to the abutting members (317); and the middle part of the side wall of the abutting members (317) is provided with a first passing portion (318).

2. A pipe clamping mechanism for facilitating nut installation according to claim 1, characterized in that: The driving component comprises a first mounting plate (110), the front wall of the first mounting plate (110) being fixedly connected to a correction motor (111), the output end of the correction motor (111) passing through the first mounting plate (110) and the end thereof being coaxially connected to a correction gear (112).

3. A pipe clamping mechanism for facilitating nut installation according to claim 2, characterized in that: The material picking assembly comprises a second mounting plate (120) fixedly connected to the left front of the upper surface of the support platform (100); the upper end of the second mounting plate (120) is fixedly connected to a control cylinder (121); the output end of the control cylinder (121) passes through the second mounting plate (120) and the end is connected to a material picking piece (122); the end of the material picking piece (122) is connected to an electromagnet and a sensor.

4. A pipe clamping mechanism for facilitating nut installation according to claim 1, characterized in that: The clamping member (320) comprises four groups of moving members (321) distributed in a circumferential array, the outer ends of the four groups of moving members (321) are all connected to the moving part (322), the four groups of moving members (321) are respectively slidably connected to the inner wall of the sliding part (313) via the moving part (322), the side walls of the four groups of moving members (321) are all provided with a control part (323), the insides of the four groups of control parts (323) are all provided with a thread groove, the four groups of control parts (323) are respectively threadedly connected to the control rod (214) via the thread groove, the front sides of the four groups of moving members (321) are all fixedly connected to a second connecting member (324) with an L-shaped cross-section, and the lower ends of the four groups of second connecting members (324) are fixedly connected to the first connecting member (324) and the second connecting member (324). A limiting member (325) is provided. The side walls of the four groups of moving members (321) are all slidably connected to the telescopic member (326). The rear side walls of the four groups of telescopic members (326) are all fixedly connected to the third connecting member (3261). The tops of the four groups of third connecting members (3261) are all fixedly connected to the control member (3262). The four groups of control members (3262) are slidably connected to the control groove (316) in a one-to-one correspondence. The four groups of telescopic members (326) are all slidably connected to the second limiting member (327). The inner walls of the four groups of second limiting members (327) are all fixedly connected to the control ring (328). The inner sides of the four groups of control rings (328) are all frosted. The front ends of the control rings (328) are fixedly connected to the third limiting member (329).

5. A pipe clamping mechanism for facilitating nut installation according to claim 4, characterized in that: The correction ring (330) comprises a correction piece (331), teeth are provided on the outer side of the correction piece (331), the correction piece (331) is transmission-connected to the correction gear (112) via the teeth, a first limiting groove (332) is provided on the middle part of the outer side of the correction ring (330), the first limiting piece (325) is slidably connected to the inner wall of the first limiting groove (332), four groups of second limiting grooves (333) are provided in a circular array at the rear end of the correction ring (330), the third limiting piece (329) is detachably connected to the second limiting groove (333), and the correction ring (330) has a second passing portion (334) corresponding to the pipe fitting (500).

6. A pipe clamping mechanism for facilitating nut installation according to claim 1, characterized in that: The outer wall of the feeding screw (400) is provided with a thread, and the feeding screw (400) is transmission-connected to the second control gear (212) via the thread and the thread groove. The outer wall diameter of the feeding screw (400) is smaller than the inner wall diameter of the pipe (500). A fourth limiter (410) is fixedly provided at the lower rear end of the feeding screw (400), and the lower end of the fourth limiter (410) is slidably connected to the inner wall of the movable groove (103). A placement groove (401) is provided on the upper wall of the front end of the feeding screw (400), and the inner wall of the placement groove (401) is slidably and detachably connected to a carrier (420).

7. A pipe clamping mechanism for facilitating nut installation according to claim 6, characterized in that: The material carrier (420) comprises a support plate (421), the upper wall of the support plate (421) is fixedly connected to the support member (422), the four corners of the upper end of the support plate (421) are fixedly connected to elastic members (423), the upper end of the elastic member (423) is fixedly connected to the lower wall of the placement member (424), the upper surface of the placement member (424) has a curved surface structure consistent with the inner diameter of the pipe (500), and the placement member (424) is provided with a material carrier groove (425) corresponding to the support member (422).

8. A pipe clamping mechanism for facilitating nut installation according to claim 7, characterized in that: The shapes of the support member (422), the material loading trough (425), and the mounting nut (426) are all consistent with those of the mounting hole (510).

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