CN117961422A - Welding equipment with accurate regulation and control function - Google Patents

Abstract

The invention belongs to the technical field of welding equipment, and discloses welding equipment with an accurate regulation and control function, which is used for welding pipe fittings and comprises a workbench, wherein a base is arranged at the top of the workbench, two groups of extrusion mechanisms are arranged at the top of the workbench and symmetrically distributed on the left side and the right side of the base, and two groups of supporting cylinders are fixedly arranged at the top of the base. The pipe fitting is clamped between the three groups of clamping blocks through redesign and optimization, centering operation is synchronously completed, meanwhile, the rotation installation design of the supporting ring is utilized, when the clamping block is used for clamping the pipe fitting, the limiting butt between the limiting groove and the limiting column drives the supporting ring to synchronously rotate after the clamping is completed, the functions of clamping and positioning the pipe fitting firstly and rotating and fixing the pipe fitting later are realized, gaps among welding objects are effectively reduced, and the accurate regulation and control precision of the equipment is improved.

Description

Welding equipment with accurate regulation and control function

Technical Field

The invention belongs to the technical field of welding equipment, and particularly relates to welding equipment with an accurate regulation and control function.

Background

The pipeline is welded and is generally two groups of common separated metal pipelines, after the pipeline is fixed and combined, the pipeline is driven to carry out circumferential synchronous welding, in the prior art, the pipeline is limited and installed at the central position of the gear set by utilizing a plurality of groups of planetary gears, and the pipeline is rotated, so that synchronous rotation driving and limiting of the pipeline before welding are realized, but the accuracy of the pipeline fixing and limiting is reduced in the mode, a fixed cylinder installed by rotating the planetary gears is abutted to the outer surface of the pipeline, gaps exist in contact with the fixed cylinder, errors are increased, the synchronous rotation of the planetary gears improves the welding efficiency of welding equipment, the axis of the pipeline and the axis of a fixed assembly are slightly deviated during fixing, and finally the welded pipeline interface is deviated, so that the accurate regulation and control precision of the equipment is reduced.

Disclosure of Invention

The invention aims to provide welding equipment with an accurate regulation function so as to solve the problems in the background technology.

In order to achieve the above object, the present invention provides the following technical solutions: the welding equipment with the accurate regulation and control function is used for welding pipe fittings and comprises a workbench, wherein a base is arranged at the top of the workbench, two groups of extrusion mechanisms are arranged at the top of the workbench and symmetrically distributed on the left side and the right side of the base, two groups of supporting cylinders are fixedly arranged at the top of the base, a power mechanism is arranged at the bottom of each supporting cylinder, and welding mechanisms are arranged at the tops of the two groups of supporting cylinders;

The inner wall of the supporting cylinder is rotationally provided with a supporting ring, the inner ring surface of the supporting ring is fixedly provided with three groups of accommodating columns distributed at equal angles, the inner part of the accommodating columns is movably sleeved with a telescopic column and a spring, the outer end of the spring is fixedly connected with a connecting plate, the bottom end of the connecting plate is movably sleeved with a directional shaft, the outer surface of the directional shaft is movably sleeved with a clamping block, the outer surface of the clamping block is movably sleeved with a buffer cylinder, one side of the connecting plate, which is close to the extrusion mechanism, is fixedly connected with a limiting column, the outer surface of the limiting column is movably clamped with a limiting ring, three groups of limiting grooves distributed at equal angles are formed in the side surface of the limiting ring, and the limiting ring is driven by a power mechanism.

As the optimization of the invention, the left side and the right side of the top of the workbench are both provided with the working grooves, the middle part of the workbench is rotatably provided with the screw rod, the extrusion mechanism comprises a sliding block which is arranged on the screw rod in a threaded manner, the top of the sliding block is fixedly provided with a first hydraulic rod, the telescopic end of the first hydraulic rod is fixedly provided with a fixed seat, one side of the fixed seat, which faces the supporting cylinder, is rotatably provided with a rotary table, the rotary table faces the buffer plate of the supporting cylinder, the sliding block horizontally slides along the inner wall of the working grooves, and the internal threads of the sliding block at the left side and the right side are oppositely arranged.

As the preferable mode of the invention, the welding mechanism comprises a fixed table fixedly arranged at the tops of the two groups of support cylinders, a second hydraulic rod is fixedly arranged at the bottom of the fixed table, a welding gun is fixedly arranged at the telescopic end of the second hydraulic rod, and the axis of the welding gun is intersected with the axis of the pipe fitting.

As the preferable mode of the invention, the power mechanism comprises a protective cover fixedly arranged at the bottom of the supporting cylinder, a motor is arranged on the right side of the protective cover and positioned on the right side, an output shaft of the motor penetrates through the two groups of protective covers, two groups of gears I positioned on the inner wall of the protective cover are fixedly arranged, the outer surface of each gear I is connected with a gear II in a meshed manner, and each gear II is fixedly arranged on the outer surface of the limiting ring.

In the present invention, preferably, the two sets of the pipe members are arranged and are abutted and mounted on the outer surfaces of the three sets of the clamping blocks, the contact ends of the two sets of the pipe members are abutted, and the other ends of the two sets of the pipe members are abutted with the buffer plate.

As the optimization of the invention, the limit groove is in a fan-shaped design, the circle center of the limit groove is offset from the circle center of the limit ring, and the outer surface of the limit post is movably clamped on the inner wall of the limit groove.

As the preferable mode of the invention, one side of the connecting plate is fixedly provided with the reinforcing block, the outer end of the telescopic column is fixedly connected with the connecting plate and the reinforcing block, and the reinforcing block is in a right triangle shape.

Preferably, the two ends of the spring are respectively and elastically connected with the accommodating column and the telescopic column, and the axis of the telescopic column always points to the axis of the limiting ring.

As the optimization of the invention, one end of the clamping block is in a conical design, the outer surface of the clamping block is provided with a groove, the buffer cylinder is movably sleeved in the groove, and the buffer cylinder and the buffer plate are both made of hard rubber.

The beneficial effects of the invention are as follows:

1. The device is redesigned and optimized, the clamping module taking the limiting rings, the limiting columns, the connecting plates, the accommodating columns and the telescopic columns as cores is added, when the pipe fitting is positioned in the three groups of directional shafts and the clamping blocks, the power is transmitted to the limiting rings by utilizing the power mechanism, the power is controlled to rotate towards one side of the limiting rings, at the moment, the limiting columns positioned in the limiting rings are driven by utilizing the three groups of limiting grooves formed in the surfaces of the limiting rings to rotate and butt, the limiting columns are driven towards the direction close to one side of the pipe fitting, the connecting plates and the directional shafts are driven to synchronously perform centripetal movement, the pipe fitting is clamped between the three groups of clamping blocks, and the centering operation is synchronously completed.

2. Then, through being provided with directional axle, connecting plate and the grip block of mutual activity cup joint design, after the grip block carries out the butt to the surface of pipe fitting, can be when revolving around the axis of pipe fitting, carry out the rotation around the axis of directional axle, under power unit's drive, the spacing post is spacing butt to the spacing ring is utilizing the spacing groove, and drive spacing post, the connecting plate, directional axle and grip block are exerted pressure towards the surface of pipe fitting, afterwards, utilize the guiding effect of telescopic prop and holding post, drive and hold the whole synchronous rotation of post, make grip block and the surface of pipe fitting carry out synchronous rotation when contacting, keep synchronous pivoted state with the joint portion of two pipe fittings of contact, can also carry out synchronous centering and synchronous operation of rectifying, welding quality has been promoted greatly.

3. Finally, the screw rod drives the two groups of sliding blocks to move in the same direction and synchronously, the two groups of extrusion respectively extrude and butt the non-contact ends of the two pipe fittings, the synchronous extrusion displacement of the first hydraulic rods, the fixed seat, the rotary table and the buffer plate is utilized, the joint parts of the two pipe fittings to be welded can generate extrusion force, the stability after clamping and fixing is maintained, the two groups of synchronous extrusion mechanisms can automatically and accurately position the welding parts of the pipe fittings, and the secondary butt positioning of the directional shaft and the clamping block on the pipe fittings can be assisted.

Drawings

FIG. 1 is a front perspective view of the structure of the present invention;

FIG. 2 is a schematic elevation cut-away view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B in accordance with the present invention;

FIG. 5 is a schematic side cut-away view of the structure of the present invention;

FIG. 6 is a schematic view of a clamping module according to the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 6C in accordance with the present invention;

FIG. 8 is a schematic diagram of the separation of the containment column, telescoping column, spring, connecting plate, reinforcing block, orientation shaft, clamping block, buffer cartridge, stop collar and stop column of the present invention;

Fig. 9 is a partial top cut-away schematic view of the structure of the present invention.

In the figure: 1. a work table; 2. a working groove; 3. a screw rod; 4. a slide block; 5. a first hydraulic rod; 6. a fixing seat; 7. a turntable; 8. a buffer plate; 9. a pipe fitting; 10. a base; 11. a support cylinder; 12. a protective cover; 13. a motor; 14. a first gear; 15. a second gear; 16. a welding mechanism; 161. a fixed table; 162. a second hydraulic rod; 163. a welding gun; 17. a support ring; 18. a receiving column; 19. a telescopic column; 20. a spring; 21. a connecting plate; 22. a reinforcing block; 23. a directional axis; 24. a clamping block; 25. a buffer tube; 26. a limiting ring; 27. a limit groove; 28. and a limit column.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 to 9, the embodiment of the invention provides a welding device with an accurate regulation function, which is used for welding pipe fittings 9, and comprises a workbench 1, wherein a base 10 is arranged at the top of the workbench 1, two groups of extrusion mechanisms are arranged at the top of the workbench 1 and symmetrically distributed on the left side and the right side of the base 10, two groups of supporting cylinders 11 are fixedly arranged at the top of the base 10, a power mechanism is arranged at the bottom of each supporting cylinder 11, and a welding mechanism 16 is arranged at the top of each supporting cylinder 11;

The inner wall of the supporting cylinder 11 is rotatably provided with a supporting ring 17, the inner annular surface of the supporting ring 17 is fixedly provided with three groups of accommodating columns 18 distributed at equal angles, the inner part of each accommodating column 18 is movably sleeved with a telescopic column 19 and a spring 20, the outer end of each spring 20 is fixedly connected with a connecting plate 21, the bottom end of each connecting plate 21 is movably sleeved with a directional shaft 23, the outer surface of each directional shaft 23 is movably sleeved with a clamping block 24, the outer surface of each clamping block 24 is movably sleeved with a buffer cylinder 25, one side, close to the extrusion mechanism, of each connecting plate 21 is fixedly connected with a limiting column 28, the outer surface of each limiting column 28 is movably clamped with a limiting ring 26, the side surface of each limiting ring 26 is provided with three groups of limiting grooves 27 distributed at equal angles, and each limiting ring 26 is driven by a power mechanism;

The device is redesigned and optimized, the clamping module taking the limiting rings 26, the limiting columns 28, the connecting plates 21, the accommodating columns 18 and the telescopic columns 19 as cores is added, when the pipe fitting 9 is positioned in the three groups of the directional shafts 23 and the clamping blocks 24, power is transmitted to the limiting rings 26 by utilizing the power mechanism, and the power is controlled to rotate towards one side of the limiting rings, at the moment, the limiting columns 28 positioned in the limiting rings are driven by utilizing the three groups of the limiting grooves 27 formed in the surfaces of the limiting rings 26 to rotate and butt, the limiting columns 28 are driven towards the direction close to one side of the pipe fitting 9, the connecting plates 21 and the directional shafts 23 are driven to synchronously perform centripetal movement, the pipe fitting 9 is clamped between the three groups of the clamping blocks 24, the centering operation is synchronously completed, meanwhile, the limiting butt between the limiting grooves 27 and the limiting columns 28 can be utilized to synchronously rotate after the clamping of the pipe fitting 9 is completed, the functions of positioning and fixing the welding objects are realized, and the precision of the welding device is effectively reduced.

Then, through being provided with directional shaft 23, connecting plate 21 and grip block 24 of mutual activity cup joint design, after grip block 24 carries out the butt on the surface of pipe fitting 9, can revolve around the axis of pipe fitting 9 while, rotate around the axis of directional shaft 23, under power unit's drive, spacing post 28 is spacing butt is carried out to spacing groove 27 to spacing ring 26, and drive spacing post 28, connecting plate 21, directional shaft 23 and grip block 24 to the surface of pipe fitting 9 is exerted pressure, afterwards, utilize the guiding action of telescopic post 19 and holding post 18, drive holding post 18, support ring 17 whole synchronous rotation, make grip block 24 and the surface of pipe fitting 9 carry out synchronous rotation when contacting, the joint portion of two pipe fittings 9 of contact keeps synchronous rotation's state, can also carry out synchronous centering and synchronous operation of rectifying, welding quality has been promoted greatly.

The workbench comprises a workbench 1, a working groove 2 is formed in the left side and the right side of the top of the workbench 1, a screw rod 3 is rotatably arranged in the middle of the workbench 1, an extrusion mechanism comprises a sliding block 4 which is arranged on the screw rod 3 in a threaded manner, a hydraulic rod I5 is fixedly arranged at the top of the sliding block 4, a fixed seat 6 is fixedly arranged at the telescopic end of the hydraulic rod I5, a rotary table 7 is rotatably arranged at one side of the fixed seat 6, which faces a supporting cylinder 11, of the rotary table 7, which faces a buffer plate 8 of the supporting cylinder 11, the sliding block 4 horizontally slides along the inner wall of the working groove 2, and internal threads of the sliding blocks 4 at the left side and the right side are oppositely arranged;

The design of the first hydraulic rod 5 can drive the fixed seat 6, the rotary table 7 and the buffer plate 8 to lift, so that the pipe fitting 9 can be conveniently fed and discharged;

The screw rod 3 drives the two groups of sliding blocks 4 to move in the same direction and synchronously, the two groups of extrusion extrusions respectively extrude and butt the non-contact ends of the two pipe fittings 9, and the synchronous extrusion displacement of the two groups of hydraulic rods 5, the fixed seat 6, the rotary table 7 and the buffer plate 8 is utilized to ensure that the joint parts of the two pipe fittings 9 to be welded can generate extrusion force and maintain stability after clamping and fixing, the two groups of synchronous extrusion mechanisms can automatically and accurately position the welding parts of the pipe fittings 9, and the directional shaft 23 and the clamping block 24 can be assisted to carry out secondary butt positioning on the pipe fittings 9.

The welding mechanism 16 comprises a fixed table 161 fixedly arranged at the top of the two groups of support cylinders 11, a second hydraulic rod 162 is fixedly arranged at the bottom of the fixed table 161, a welding gun 163 is fixedly arranged at the telescopic end of the second hydraulic rod 162, and the axis of the welding gun 163 is intersected with the axis of the pipe fitting 9;

The welding gun 163 can be freely adjusted in height under the telescopic drive of the second hydraulic rod 162, and is suitable for pipe fittings 9 with different diameters and sizes.

The power mechanism comprises a protective cover 12 fixedly arranged at the bottom of a supporting cylinder 11, a motor 13 is arranged on the right side of the protective cover 12, an output shaft of the motor 13 penetrates through the two groups of protective covers 12 and is fixedly provided with two groups of gears 14 positioned on the inner wall of the protective cover 12, the outer surface of each gear 14 is in meshed connection with a gear II 15, and the gears II 15 are fixedly arranged on the outer surface of a limiting ring 26;

the motor 13 can drive the first gear 14 to rotate and transmit power to the limiting ring 26 through the second gear 15, and the limiting ring 26 can drive the limiting column 28 to move along the radial direction of the supporting cylinder 11 through rotation and drive the connecting plate 21, the directional shaft 23 and the clamping block 24 to synchronously adapt and clamp the pipe fitting 9 with different sizes.

Wherein, the two groups of pipe fittings 9 are arranged and are abutted and installed on the outer surfaces of the three groups of clamping blocks 24, the contact ends of the two groups of pipe fittings 9 are abutted, and the other ends of the two groups of pipe fittings 9 are abutted with the buffer plate 8;

The number of the pipe fittings 9 to be welded is two, the welding positions are the joint parts where the two pipe fittings 9 are contacted, and the clamping blocks 24 are rotatably abutted on the outer surfaces of the pipe fittings 9, so that rigid support, clamping and synchronous rotation pressure are provided for the pipe fittings.

The limiting groove 27 is in a fan-shaped design, the circle center of the limiting groove 27 is deviated from the circle center of the limiting ring 26, and the outer surface of the limiting column 28 is movably clamped on the inner wall of the limiting groove 27;

The circle center of the limit groove 27 and the circle center of the pipe fitting 9 are offset, and the design can enable the limit post 28 to move in the radial direction of the limit post 26 instead of being fixed at a certain radius position by utilizing the offset design when the limit post 28 is driven to rotate by the limit ring 26.

Wherein, a reinforcing block 22 is fixedly arranged on one side of the connecting plate 21, the outer end of the telescopic column 19 is fixedly connected with the connecting plate 21 and the reinforcing block 22, and the reinforcing block 22 is in a right triangle shape;

one side of the connecting plate 21 is fixedly connected with a reinforcing block 22, the end part of the reinforcing block is connected with the telescopic column 19 together with the reinforcing block 22, and the triangular design of the reinforcing block 22 can increase the stability of the telescopic column.

Wherein, the two ends of the spring 20 are respectively and elastically connected with the accommodating column 18 and the telescopic column 19, and the axis of the telescopic column 19 always points to the axis of the limiting ring 26;

The spring 20 is responsible for connecting the telescopic column 19, makes the telescopic column 19 keep at the state of holding the post 18 elastic support, and when spacing ring 26 passes through spacing groove 27, spacing post 28 drive connecting plate 21, telescopic column 19 along holding the axis motion of post 18, spring 20 can keep spacing post 28 can with the inner wall adaptation butt of spacing groove 27 under the effect of atress through the resilience force that is compressed and set up in holding the inside production of post 18, reduces not hard up possibility.

Wherein, one end of the clamping block 24 is in conical design, the outer surface of the clamping block 24 is provided with a groove, the buffer cylinder 25 is movably sleeved in the groove, and the buffer cylinder 25 and the buffer plate 8 are both made of hard rubber;

the conical end design of the clamping block 24 can be in contact fit with the advancing end of the pipe fitting 9, the groove on the outer surface of the clamping block 24 is used for installing the buffer cylinder 25, and when the pipe fitting 9 is in butt joint with the outer surface of the clamping block 24, flexible friction force is generated by extruding the buffer cylinder 25, so that the normal clamping state of the pipe fitting 9 is ensured, and rigid extrusion damage to the pipe fitting 9 is also caused in the future.

Working principle:

Firstly, the first hydraulic rod 5 is started and drives the fixing seat 6, the rotary table 7 and the buffer plate 8 downwards, the pipe fitting 9 is inserted into the supporting cylinder 11 from the upper part of the rotary table 7 along the axis of the supporting cylinder 11, one end of the pipe fitting 9 enters the supporting cylinder 11 and is abutted with one side of the conical surface of the outer surface of the clamping block 24, the motor 13 is started and drives the first gear 14, the second gear 15 and the limiting ring 26 to rotate, as shown in fig. 5, the limiting ring 26 rotates clockwise, the limiting groove 27 formed on the surface of the limiting ring drives the limiting column 28 to move towards one side far from the axis of the supporting cylinder 11, the telescopic column 19, the connecting plate 21, the reinforcing block 22 and the directional shaft 23 are driven to move along, so that three groups of directional shafts 23 and the clamping block 24 positioned in the supporting cylinder 11 are synchronously dispersed, the pipe fitting 9 can pass through the clamping block 24 and abut with the outer surfaces of the buffer cylinder 25 and the clamping block 24, and then the motor 13 is reversed, the limiting ring 26 is turned from on to reverse to on, namely anticlockwise reverse, at the moment, the limiting column 28 is driven by the limiting groove 27 in a limiting way, the telescopic column 19 is driven to move along the axis of the accommodating column 18 towards one side close to the axis of the supporting cylinder 11, the three groups of directional shafts 23 are driven to synchronously abut and clamp the outer surface of the pipe fitting 9, the connecting plate 21, the directional shafts 23 and the clamping blocks 24 are driven by the limiting ring 26 to finish clamping and centering the pipe fitting 9, the limiting column 28 is in a limiting abutting connection state on the inner wall of the limiting groove 27, at the moment, the limiting ring 26 continuously rotates, the limiting column 28, the limiting ring 26, the telescopic column 19, the accommodating column 18, the supporting ring 17, the directional shafts 23 and the clamping blocks 24 are driven to rotate around the axis of the pipe fitting 9, meanwhile, the clamping blocks 24 and the directional shafts 23 synchronously rotate around the axis of the directional shafts 23 through the pressing abutment with the outer surface of the pipe fitting 9, the same operation as described above is applied to the pipe 9 located on the other side;

Then, the first hydraulic rod 5 is started, the fixed seat 6, the rotary table 7 and the buffer plate 8 are pushed upwards, the axis of the buffer plate 8 is collinear with the axis of the pipe fitting 9, the screw rod 3 is started, the two groups of extrusion mechanisms are driven to synchronously move in the same direction, the fixed seat 6, the rotary table 7 and the buffer plate 8 are driven to move towards the other end of the pipe fitting 9, the two groups of extrusion mechanisms synchronously abut against and extrude the other ends of the two pipe fittings 9, the buffer plate 8 and the pipe fitting 9 are extruded and are stressed to deform, and the two groups of rotary tables 7 and the buffer plate 8 synchronously extrude the two pipe fittings 9, so that the joint of the two pipe fittings 9 is automatically positioned to the welding point of the welding mechanism 16;

finally, the power mechanism at the bottom of the supporting cylinder 11 is started, the limiting ring 26 is driven to rotate anticlockwise, the pipe fitting 9 is driven to rotate synchronously, at the moment, the welding gun 163 is electrified, the welding gun is driven by the second hydraulic rod 162 to the welding point, and the joint of the two pipe fittings 9 which perform circumferential rotation is welded.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present 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 therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. Welding equipment with accurate regulation and control function, this welding equipment is used for welding pipe fitting (9), including workstation (1), base (10) are installed at the top of workstation (1), its characterized in that: two groups of extrusion mechanisms are arranged at the top of the workbench (1) and symmetrically distributed on the left side and the right side of the base (10), two groups of supporting cylinders (11) are fixedly arranged at the top of the base (10), a power mechanism is arranged at the bottom of each supporting cylinder (11), and welding mechanisms (16) are arranged at the tops of the two groups of supporting cylinders (11);

The inner wall of a support cylinder (11) is rotationally provided with a support ring (17), the inner ring surface of the support ring (17) is fixedly provided with three groups of accommodating columns (18) distributed at equal angles, the inner part of each accommodating column (18) is movably sleeved with a telescopic column (19) and a spring (20), the outer end of each spring (20) is fixedly connected with a connecting plate (21), the bottom end of each connecting plate (21) is movably sleeved with a directional shaft (23), the outer surface of each directional shaft (23) is movably sleeved with a clamping block (24), the outer surface of each clamping block (24) is movably sleeved with a buffer cylinder (25), one side, close to an extrusion mechanism, of each connecting plate (21) is fixedly connected with a limiting column (28), the outer surface of each limiting column (28) is movably clamped with a limiting ring (26), the side surface of each limiting ring (26) is provided with three groups of limiting grooves (27) distributed at equal angles, and the limiting rings (26) are driven by a power mechanism.

2. The welding apparatus with precise control function according to claim 1, wherein: working groove (2) have all been seted up to the left and right sides at workstation (1) top, and the middle part rotation of workstation (1) is installed lead screw (3), extrusion mechanism includes slider (4) of screw thread on lead screw (3), the top fixed mounting of slider (4) has hydraulic stem one (5), the flexible fixed mounting of hydraulic stem one (5) has fixing base (6), carousel (7) are installed towards one side rotation of supporting cylinder (11) in fixing base (6), buffer board (8) of carousel (7) towards supporting cylinder (11), inner wall horizontal slip along working groove (2) of slider (4), the left and right sides the internal thread of slider (4) is the opposite setting.

3. The welding apparatus with precise control function according to claim 1, wherein: the welding mechanism (16) comprises a fixed table (161) fixedly arranged at the tops of the two groups of supporting cylinders (11), a hydraulic rod II (162) is fixedly arranged at the bottom of the fixed table (161), a welding gun (163) is fixedly arranged at the telescopic end of the hydraulic rod II (162), and the axis of the welding gun (163) is intersected with the axis of the pipe fitting (9).

4. The welding apparatus with precise control function according to claim 1, wherein: the power mechanism comprises a protective cover (12) fixedly mounted at the bottom of a supporting cylinder (11), a motor (13) is mounted on the right side of the protective cover (12), an output shaft of the motor (13) penetrates through two groups of protective covers (12) and is fixedly provided with two groups of first gears (14) positioned on the inner wall of the protective cover (12), two gears (15) are connected to the outer surface of the first gears (14) in a meshed mode, and the two gears (15) are fixedly mounted on the outer surface of a limiting ring (26).

5. The welding apparatus with accurate regulation function according to claim 2, wherein: the two groups of the pipe fittings (9) are arranged and are abutted and installed on the outer surfaces of the three groups of clamping blocks (24), the contact ends of the two groups of the pipe fittings (9) are abutted, and the other ends of the pipe fittings are abutted with the buffer plate (8).

6. The welding apparatus with accurate regulation function according to claim 2, wherein: the limiting groove (27) is in a fan-shaped design, the circle center of the limiting groove (27) is offset from the circle center of the limiting ring (26), and the outer surface of the limiting column (28) is movably clamped on the inner wall of the limiting groove (27).

7. The welding apparatus with precise control function according to claim 6, wherein: one side of the connecting plate (21) is fixedly provided with a reinforcing block (22), the outer end of the telescopic column (19) is fixedly connected with the connecting plate (21) and the reinforcing block (22), and the reinforcing block (22) is in a right triangle shape.

8. The welding apparatus with precise control function according to claim 7, wherein: the two ends of the spring (20) are respectively and elastically connected with the accommodating column (18) and the telescopic column (19), and the axis of the telescopic column (19) always points to the axis of the limiting ring (26).

9. The welding apparatus with precise control function according to claim 8, wherein: one end of the clamping block (24) is in a conical design, a groove is formed in the outer surface of the clamping block (24), the buffer cylinder (25) is movably sleeved in the groove, and the buffer cylinder (25) and the buffer plate (8) are made of hard rubber.