CN114939756A

CN114939756A - Circular tube welding machine capable of automatically positioning

Info

Publication number: CN114939756A
Application number: CN202210691509.XA
Authority: CN
Inventors: 官大梁
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-08-26

Abstract

The invention discloses a circular tube welding machine capable of automatically positioning, which comprises a workbench and a welding device, wherein the welding device is positioned on the upper surface of the workbench and used for welding a circular tube, the upper surface of the workbench is provided with two symmetrically distributed storage tables, the two storage tables are respectively positioned on two opposite sides of the welding device, the upper surface of each storage table is inclined, a positioning tube is arranged on one lower side of the inclined surface, a driving device used for driving the positioning tube to reciprocate along the vertical direction is arranged above the workbench, the positioning tube comprises a first tube body and a second tube body which are mutually telescopically inserted, the first tube body and the second tube body are both tubular, and the surfaces of the first tube body and the second tube body are both provided with feed ports, so that the circular tube can enter the first tube body and the second tube body from the feed ports. According to the automatic feeding device, the driving device drives the positioning pipe to move downwards to the lower side of the inclined surface of the material storage table, the round pipe rolls into the positioning pipe, and when the driving device drives the positioning pipe to move upwards to return to the original position, the next round pipe to be rolled is blocked, so that the automatic feeding of the device is completed.

Description

Circular tube welding machine capable of automatically positioning

Technical Field

The invention relates to the technical field of welding, in particular to a circular tube welding machine capable of automatically positioning.

Background

Welding, also known as fusion welding, is a manufacturing process and technique for joining metals or other thermoplastic materials, such as plastics, by means of heat, high temperature or high pressure.

The energy sources for modern welding are many, including gas flame, electric arc, laser, electron beam, friction, and ultrasonic, among others. In addition to use in a factory, welding can be performed in a variety of environments, such as the field, underwater, and space. Wherever welding can be dangerous for the operator, appropriate precautions must be taken while welding is being performed. The possible injuries to human body caused by welding include burn, electric shock, visual impairment, toxic gas inhalation, over-irradiation of ultraviolet rays, etc.

However, in the actual use process, the traditional circular tube welding machine needs to be manually loaded when in use, the operation is complex, and a large amount of labor force needs to be consumed.

We have therefore proposed an automatically positionable circular tube welding machine which addresses the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a circular tube welding machine capable of automatically positioning, which has the advantages that a positioning tube is driven by a driving device to move downwards to the lower side of the inclined plane of a storage platform, circular tubes roll into the positioning tube, and when the positioning tube is driven by the driving device to move upwards to return to the original position, the next circular tube to be rolled is blocked, so that the automatic feeding of the device is completed, and the problem that manual feeding is needed is solved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a but pipe welding machine of automatic positioning, includes the workstation to and be located the welding set that the workstation upper surface is used for welding the pipe, the workstation upper surface is provided with the storage platform of two symmetric distributions, and two the storage platform is located welding set's relative both sides respectively, the storage platform upper surface is the slope form, and the lower one side in inclined plane is provided with the registration arm, the workstation top is provided with and is used for driving the drive arrangement of registration arm along vertical direction reciprocating motion.

Preferably, the positioning pipe comprises a first pipe body and a second pipe body which are mutually telescopic and spliced, the first pipe body and the second pipe body are both tubular, and the surface of the first pipe body and the surface of the second pipe body are both provided with a feeding port, so that the round pipe can enter the first pipe body and the second pipe body from the feeding port.

Preferably, the driving device comprises two first rod bodies which are fixedly connected to the upper surface of the workbench and symmetrically distributed, the upper end of each first rod body is telescopically inserted into a second rod body, the top end of each second rod body is integrally provided with a fixing ring, the fixing rings are respectively sleeved on the two first pipe bodies, the fixing plates are fixedly connected between the second rod bodies, a semicircular plate is fixed on the surface of each connecting plate, a semicircular sliding groove is formed in the surface of each semicircular plate, each semicircular sliding groove is provided with an arc-shaped groove and a linear groove, a swinging rod driven by external driving equipment is arranged above the workbench, and one end of the swinging rod is fixedly connected with a sliding block which is matched with the semicircular sliding groove.

Preferably, a clamping assembly for driving two round pipes to be processed to move towards opposite directions simultaneously is arranged above the workbench, the clamping assembly comprises two vertical rods which are positioned above the workbench and symmetrically distributed, a connecting column is fixed between the vertical rods and the connecting plate, a first annular frame is integrally arranged at the upper ends of the vertical rods, a first disc is rotationally connected in the first annular frame at the upper ends of the vertical rods, a rectangular chute is formed in the surface of the first disc, a bottom plate is attached to the free ends of the two second pipe bodies, a cross rod is fixedly connected to the surface of the bottom plate, a supporting rod is vertically fixed on the upper surface of the workbench, the cross rod penetrates through the supporting rod and is in sliding connection with the supporting rod, a second annular frame is integrally arranged on the surface of the cross rod, a second disc is arranged in the second annular frame on the surface of the cross rod, and a rectangular sliding rod matched with the rectangular chute is fixed on the surface of the second disc, the rectangular sliding groove and the rectangular sliding rod are inclined and incline from bottom to top from one side close to the second pipe body to one side far away from the second pipe body.

Preferably, a surface pressing switch is arranged in the bottom plate and electrically connected with the welding device.

Preferably, be provided with the adjusting part who is used for adjusting its moving range on the horizontal pole, the adjusting part includes the rectangular frame of fixed connection in the horizontal pole upper surface, the rectangular frame internal rotation is connected with the threaded rod, threaded rod surface threaded connection has the internal thread cover, the internal thread cover surface is the rectangle form, and laminates in rectangular frame, rectangle slide bar one side fixedly connected with rectangle stopper is kept away from to the second disc, rectangle stopper and rectangle slide bar are parallel to each other, rectangle stopper surface cover is equipped with the regulation loop bar, it connects in the internal thread cover to adjust loop bar one end rotation, first disc rotates and connects in the first ring frame on montant top, the second disc rotates and connects in the second ring frame on horizontal pole surface.

Preferably, the upper surface of the workbench is provided with a linkage assembly for driving two circular tubes to be welded to rotate simultaneously.

Preferably, the first gears are sleeved on the surfaces of the two second pipe bodies, two inner gear rings which are symmetrically distributed and are intermittently meshed with the two first gears respectively are arranged above the workbench, the second gears are sleeved on the outer surfaces of the inner gear rings, annular grooves are formed in the surfaces of the inner gear rings, arc-shaped supporting plates are connected in the annular grooves in a rotating mode, the arc-shaped supporting plates are fixedly connected to the workbench through connecting rods, a large gear which is coaxially fixed with the swing rod is rotatably connected to the upper surface of the workbench, small gears are meshed on the surfaces of the large gear, worm wheels which are coaxially fixed with the small gears are rotatably connected to the upper surface of the workbench, worms are meshed above the worm wheels, third gears are sleeved at two ends of each worm, and the two third gears are meshed with the two second gears respectively.

Compared with the prior art, the invention has the following beneficial effects:

1. put the pipe that will need the welded on the storage platform, because the storage platform upper surface is the tilt state, then the pipe can receive the action of gravity to roll downwards, under the initial condition, the pipe keeps off in the registration arm outside, through drive arrangement drive registration arm downstream to storage platform inclined plane downside, the pipe rolls to in the registration arm, when drive arrangement drive registration arm rebound resumes the normal position, blocks the next pipe that will roll to accomplish the automatic feeding of device.

2. Through setting up the centre gripping subassembly to when first body and second body got material and accomplish back rebound, drive two second bodies through the centre gripping subassembly and move toward relative direction, thereby drive two pipes that need the welded and move toward relative direction thereupon, need welded position butt joint together with two pipes.

3. When the bottom plate toward being close to second body one side and removing, promote the pipe in second body and the second body toward being close to first body one side and remove, when two tip of treating the welding pipe conflict each other, treat that the welding pipe can extrude the pressure face switch on bottom plate surface simultaneously to open welding set, carry out weldment work.

4. Through setting up adjusting part so that adjust the displacement of bottom plate and horizontal pole according to the length of waiting to weld the pipe, the effectual suitability that has improved the device.

5. Through setting up linkage assembly so that two pipes of treating the welding of drive rotate simultaneously to welding set carries out weldment work to it.

Drawings

FIG. 1 is a schematic structural diagram of a circular tube welding machine capable of automatic positioning according to the present invention;

FIG. 2 is a schematic structural diagram of a driving device according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of a clamping assembly according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 1 according to the present invention.

In the figure: 1. a work table; 2. a welding device; 3. a material storage table; 4. a positioning tube; 41. a first pipe body; 42. a second tube body; 5. a drive device; 51. a first rod body; 52. a second rod body; 53. a fixing ring; 54. a connecting plate; 55. a semicircular plate; 56. a semicircular chute; 57. a swing rod; 58. a slider; 6. a clamping assembly; 61. a vertical rod; 62. connecting columns; 63. a rectangular chute; 64. a base plate; 65. a cross bar; 67. a second disc; 68. a rectangular slide bar; 69. a first disc; 7. an adjustment assembly; 71. a rectangular frame; 72. a threaded rod; 73. an internal thread sleeve; 74. a rectangular limiting block; 75. adjusting the loop bar; 8. a linkage assembly; 81. a first gear; 82. an inner gear ring; 83. a second gear; 84. a bull gear; 85. a pinion gear; 86. a worm gear; 87. a worm; 88. a third gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example one

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a but automatic positioning's pipe welding machine, includes workstation 1 to and be located 1 upper surface of workstation and be used for welding set 2 of pipe, 1 upper surface of workstation is provided with the storage platform 3 of two symmetric distributions, and two storage platform 3 is located welding set 2's relative both sides respectively, 3 upper surfaces of storage platform are the slope form, and the lower one side in inclined plane is provided with registration arm 4, 1 top of workstation is provided with and is used for driving registration arm 4 along vertical direction reciprocating motion's drive arrangement 5.

In use, please refer to fig. 1-3, a round tube to be welded is placed on the storage table 3, because the upper surface of the storage table 3 is in an inclined state, the round tube can roll downwards under the action of gravity, in an initial state, the round tube is blocked outside the positioning tube 4, the positioning tube 4 is driven by the driving device 5 to move downwards to the lower side of the inclined plane of the storage table 3, the round tube rolls into the positioning tube 4, and when the driving device 5 drives the positioning tube 4 to move upwards to return to the original position, the next round tube to be rolled is blocked, so as to complete the automatic feeding of the device.

Referring to fig. 1-3, the positioning tube 4 includes a first tube 41 and a second tube 42 that are telescopically inserted into each other, and the first tube 41 and the second tube 42 are both tubular and have a feeding opening on the surface thereof, so that the circular tube can enter the first tube 41 and the second tube 42 from the feeding opening.

Referring to fig. 1-3, the driving device 5 includes two first rod bodies 51 fixedly connected to the upper surface of the worktable 1 and symmetrically distributed, a second rod body 52 is telescopically inserted into the upper end of the first rod body 51, a fixing ring 53 is integrally disposed at the top end of the second rod body 52, the two fixing rings 53 are respectively sleeved on the two first tube bodies 41, a connecting plate 54 is fixedly connected between the two second rod bodies 52, a semicircular plate 55 is fixed on the surface of the connecting plate 54, a semicircular sliding groove 56 is formed on the surface of the semicircular plate 55, the semicircular sliding groove 56 has an arc groove and a linear groove, a swing rod 57 driven by an external driving device is disposed above the worktable 1, and a sliding block 58 matched with the semicircular sliding groove 56 is fixedly connected to one end of the swing rod 57.

The external driving device is a motor.

In use, referring to fig. 1-3, the swing rod 57 is driven to rotate by an external driving device, the swing rod 57 drives the sliding block 58 to rotate therewith, the sliding block 58 drives the semi-circular plate 55 to reciprocate up and down while rotating, since the semi-circular chute 56 is semi-circular, when the sliding block 58 rotates a half circle to slide from one end of the linear chute to the other end, the semi-circular plate 55 moves down and restores to the original position, and the connecting plate 54 drives the second rod 52 to move down and restore to the original position, the second rod 52 drives the first tube 41 and the second tube 42 to move down and restore to the original position through the fixing ring 53, so that the rolling tube on the material storage table 3 falls into the first tube 41 and the second tube 42, when the sliding block 58 continues to rotate into the arc chute, the semi-circular plate 55 is in a stationary state, and the first tube 41 and the second tube 42 are also in a stationary state, in order to allow welding time for the welding device 2.

Example two

Referring to fig. 1-4, in this embodiment, for further description of the first embodiment, a clamping assembly 6 for driving two round pipes to be processed to move in opposite directions simultaneously is disposed above the worktable 1.

In use, referring to fig. 1-4, the clamping assembly 6 is disposed so that when the first tube 41 and the second tube 42 move upward after the material is taken, the clamping assembly 6 drives the two second tubes 42 to move in opposite directions, thereby driving the two circular tubes to be welded to move in opposite directions, and butting together the positions of the two circular tubes to be welded.

Referring to fig. 1-4, the clamping assembly 6 includes two vertical rods 61 located above the workbench 1 and symmetrically distributed, a connection column 62 is fixed between the vertical rods 61 and the connection plate 54, a first annular frame is integrally disposed at the upper end of the vertical rods 61, a first circular disc 69 is rotatably connected to the first annular frame at the upper end of the vertical rods 61, a rectangular sliding groove 63 is disposed on the surface of the first circular disc 69, a bottom plate 64 is attached to the free end of each of the two second tubes 42, a cross rod 65 is fixedly connected to the surface of the bottom plate 64, a support rod is vertically fixed on the upper surface of the workbench 1, the cross rod 65 penetrates through the support rod and is slidably connected with the support rod, a second annular frame is integrally disposed on the surface of the cross rod 65, a second circular disc 67 is disposed in the second annular frame on the surface of the cross rod 65, a rectangular sliding rod 68 adapted to the rectangular sliding groove 63 is fixed on the surface of the second circular disc 67, the rectangular sliding groove 63 and the rectangular sliding rod 68 are inclined from bottom to top from the side close to the second tube 42 to the side far away from the second tube 42.

In use, referring to fig. 1-4, when the connecting plate 54 moves upward, the connecting column 62 drives the vertical rod 61 to move upward, the vertical rod 61 drives the first annular frame at the top end thereof, and the first disc 69 in the first annular frame moves upward, because the rectangular sliding groove 63 formed on the surface of the first disc 69 is in an inclined state, the first disc 69 can drive the rectangular sliding rod 68 which is slidably matched with the rectangular sliding groove 63 to move towards one side close to the second tube 42 while moving upwards, the rectangular sliding rod 68 drives the second disc 67 and the cross rod 65 to move towards one side close to the second tube 42, the cross rod 65 drives the bottom plate 64 to move towards one side close to the second tube 42, the bottom plate 64 blocks one end of the second tube 42, and the second tube 42 is pushed, and the circular tubes in the second tube 42 move to the side close to the first tube 41 until the ends of the two circular tubes to be welded abut against each other.

A face pressing switch is arranged in the bottom plate 64 and electrically connected with the welding device 2.

In use, when the bottom plate 64 moves towards one side close to the second pipe body 42, the second pipe body 42 and the circular pipes in the second pipe body 42 are pushed to move towards one side close to the first pipe body 41 until the two ends of the circular pipes to be welded are mutually abutted, the circular pipes to be welded can simultaneously extrude the surface pressing switch of the bottom plate 64, so that the welding device 2 is opened, and welding work is carried out.

Referring to fig. 1 to 4, the cross bar 65 is provided with an adjusting assembly 7 for adjusting the moving range thereof.

In use, the adjusting assembly 7 is arranged so as to adjust the moving distance of the bottom plate 64 and the cross rod 65 according to the length of a round pipe to be welded, and therefore the applicability of the device is effectively improved.

Adjusting part 7 includes the rectangular frame 71 of fixed connection in horizontal pole 65 upper surface, the internal rotation of rectangular frame 71 is connected with threaded rod 72, threaded rod 72 surface threaded connection has internal thread cover 73, internal thread cover 73 surface is the rectangle form, and laminates in rectangular frame 71, rectangle slide bar 68 one side fixedly connected with rectangle stopper 74 is kept away from to second disc 67, rectangle stopper 74 is parallel to each other with rectangle slide bar 68, rectangle stopper 74 surface cover is equipped with adjusts loop bar 75, it connects in internal thread cover 73 to adjust loop bar 75 one end rotation, first disc 69 rotates and connects in the first ring frame on montant 61 top, second disc 67 rotates and connects in the second ring frame on horizontal pole 65 surface.

In use, referring to fig. 1 to 4, since the rectangular sliding groove 63 and the rectangular sliding rod 68 are both in an inclined state, the first disk 69 can drive the rectangular sliding rod 68, which is slidably fitted to the rectangular sliding groove 63, to move toward the side close to the second tube 42 while moving upward, and if the inclined angles of the rectangular sliding groove 63 and the rectangular sliding rod 68 are larger, the moving distance between the cross bar 65 and the bottom plate 64 is longer; when a round pipe to be welded is short, the threaded rod 72 is rotated to drive the internal thread sleeve 73 in threaded connection with the surface of the round pipe to move downwards, the internal thread sleeve 73 drives the adjusting sleeve rod 75 in rotating connection with the surface of the adjusting sleeve rod to move downwards, one end of the adjusting sleeve rod 75 is sleeved on the surface of the rectangular limiting block 74, the adjusting sleeve rod 75 can rotate towards one side far away from the cross rod 65 at the same time, the adjusting sleeve rod 75 drives the rectangular limiting block 74, the second disc 67 fixedly connected with the rectangular limiting block 74 rotates towards one side far away from the cross rod 65, the second disc 67 drives the rectangular sliding rod 68 fixedly connected with the surface of the adjusting sleeve rod 68 to rotate towards one side far away from the cross rod 65, the inclination angle of the rectangular sliding rod 68 is increased, and the moving distance between the bottom plate 64 and the cross rod 65 is prolonged; if the round pipe to be welded is long, the threaded rod 72 is rotated in the opposite direction, so that the moving distance between the bottom plate 64 and the cross bar 65 is shortened.

EXAMPLE III

Referring to fig. 1 and 5, in this embodiment, for further description of the first embodiment, a linkage assembly 8 for driving two circular pipes to be welded to rotate simultaneously is disposed on the upper surface of the working table 1.

In use, referring to fig. 1 and 5, the linkage assembly 8 is arranged to drive two circular pipes to be welded to rotate simultaneously, so that the welding device 2 can weld the circular pipes.

Referring to fig. 1 and 5, the surfaces of the two second tubes 42 are sleeved with a first gear 81, two inner gear rings 82 which are symmetrically distributed and are respectively intermittently meshed with the two first gears 81 are arranged above the workbench 1, the outer surface of the inner gear ring 82 is sleeved with a second gear 83, the surface of the inner gear ring 82 starts to be provided with an annular groove, and the circular groove is connected with an arc-shaped supporting plate in a rotating way, the arc-shaped supporting plate is fixedly connected with the worktable 1 through a connecting rod, the upper surface of the working table 1 is rotatably connected with a large gear 84 coaxially fixed with the swing rod 57, the surface of the large gear 84 is engaged with a small gear 85, the upper surface of the worktable 1 is rotationally connected with a worm gear 86 coaxially fixed with a pinion gear 85, a worm 87 is engaged above the worm gear 86, the two ends of the worm 87 are sleeved with third gears 88, and the two third gears 88 are meshed with the two second gears 83 respectively.

Referring to fig. 1 and 5, the circumference of the large gear 84 is larger than that of the small gear 85.

In use, referring to fig. 1 and 5, when the second tube 42 moves to a side close to the first tube 41, the first gear 81 sleeved on the surface of the second tube is driven to move to a side close to the first tube 41, so that the first gear 81 is engaged with the inner gear ring 82, since the large gear 84 and the swing rod 57 are coaxially fixed, the swing rod 57 drives the large gear 84 to rotate therewith, since the circumference of the large gear 84 is larger than that of the small gear 85, after the large gear 84 rotates for one circle, the small gear 85 can be driven to rotate for a plurality of circles, the small gear 85 drives the worm gear 86 coaxially fixed therewith to rotate therewith, the worm gear 86 drives the worm 87 engaged therewith to rotate therewith, the worm 87 drives the third gear 88 sleeved on both ends thereof to rotate therewith, the third gear 88 drives the second gear 83 engaged therewith to rotate therewith, the second gear 83 drives the inner gear ring 82 and the first gear 81 intermittently engaged with the inner gear ring 82 to rotate therewith, the first gear 81 drives the second pipe body 42 and the first pipe body 41 which is mutually telescopically inserted with the second pipe body 42 to rotate therewith, so as to drive the two circular pipes to be welded to rotate therewith, so that the welding device 2 can weld conveniently.

The working principle is as follows: the circular tube welding machine capable of automatically positioning is used, a circular tube to be welded is placed on a storage table 3 firstly, the circular tube can roll downwards under the action of gravity due to the fact that the upper surface of the storage table 3 is in an inclined state, the circular tube is blocked outside a first tube body 41 and a second tube body 42 in an initial state, an external driving device drives a swing rod 57 to rotate, the swing rod 57 drives a sliding block 58 to rotate along with the circular tube, the sliding block 58 drives a semicircular plate 55 to move up and down in a reciprocating mode while rotating, as the semicircular sliding groove 56 is semicircular, when the sliding block 58 rotates for a half circle and slides from one end of a linear groove to the other end, the semicircular plate 55 moves downwards and restores the original position, and drives a second rod body 52 to move downwards and restore the original position along with the second rod body 52 through a connecting plate 54, the second rod body 52 drives the first tube body 41 and the second tube body 42 to move downwards and restore the original position along with the second tube body 53, the circular pipes on the material storage table 3 roll down into the first pipe body 41 and the second pipe body 42, when the sliding block 58 continues to rotate into the arc-shaped groove, the semi-circular plate 55 is in a static state, and then the first pipe body 41 and the second pipe body 42 are also in a static state, so that the welding time is reserved for the welding device 2;

when the connecting plate 54 moves upward, the connecting column 62 drives the vertical rod 61 to move upward, the vertical rod 61 drives the first annular frame at the top end thereof, and the first disc 69 located in the first annular frame moves upward, because the rectangular sliding slot 63 formed on the surface of the first disc 69 is in an inclined state, the first disc 69 can drive the rectangular sliding rod 68 in sliding fit with the rectangular sliding slot 63 to move toward the side close to the second tube 42 while moving upward, the rectangular sliding rod 68 drives the second disc 67 and the cross rod 65 to move toward the side close to the second tube 42, the cross rod 65 drives the bottom plate 64 to move toward the side close to the second tube 42, the bottom plate 64 blocks one end of the second tube 42 and pushes the second tube 42, and the circular tubes in the second tube 42 move toward the side close to the first tube 41 until the ends of the two circular tubes to be welded abut against each other, the round pipes to be welded can be simultaneously extruded to the surface pressing switch on the bottom plate 64, so that the welding device 2 is opened to carry out welding work;

because the rectangular sliding chute 63 and the rectangular sliding rod 68 are both in an inclined state, the first disk 69 can drive the rectangular sliding rod 68 which is in sliding fit with the rectangular sliding chute 63 to move towards one side close to the second tube body 42 while moving upwards, and if the inclined angles of the rectangular sliding chute 63 and the rectangular sliding rod 68 are larger, the moving distance of the cross rod 65 and the bottom plate 64 is longer; when a round pipe to be welded is short, the threaded rod 72 is rotated to drive the internal thread sleeve 73 in threaded connection with the surface of the round pipe to move downwards, the internal thread sleeve 73 drives the adjusting sleeve rod 75 in rotating connection with the surface of the adjusting sleeve rod to move downwards, one end of the adjusting sleeve rod 75 is sleeved on the surface of the rectangular limiting block 74, the adjusting sleeve rod 75 can rotate towards one side far away from the cross rod 65 at the same time, the adjusting sleeve rod 75 drives the rectangular limiting block 74, the second disc 67 fixedly connected with the rectangular limiting block 74 rotates towards one side far away from the cross rod 65, the second disc 67 drives the rectangular sliding rod 68 fixedly connected with the surface of the adjusting sleeve rod 68 to rotate towards one side far away from the cross rod 65, the inclination angle of the rectangular sliding rod 68 is increased, and the moving distance between the bottom plate 64 and the cross rod 65 is prolonged; if the round pipe to be welded is long, the threaded rod 72 is rotated in the opposite direction, so that the moving distance between the bottom plate 64 and the cross rod 65 is shortened;

when the second tube 42 moves to a side close to the first tube 41, the first gear 81 sleeved on the surface of the second tube is driven to move to a side close to the first tube 41, so that the first gear 81 is engaged with the inner gear ring 82, because the large gear 84 and the swing rod 57 are coaxially fixed, the swing rod 57 drives the large gear 84 to rotate therewith, because the circumference of the large gear 84 is larger than the circumference of the small gear 85, after the large gear 84 rotates for one circle, the small gear 85 can drive the small gear 85 to rotate for a plurality of circles, the small gear 85 drives the worm gear 86 coaxially fixed with the small gear 85 to rotate therewith, the worm gear 86 drives the worm 87 engaged with the worm gear 86 to rotate therewith, the worm 87 drives the third gears 88 sleeved on the two ends of the large gear to rotate therewith, the third gears 88 drives the second gear 83 engaged with the small gear 85 to rotate therewith, and the second gear 83 drives the inner gear ring 82 and the first gear 81 intermittently engaged with the inner gear ring 82 to rotate therewith, the first gear 81 drives the second tube 42 and the first tube 41 which is inserted into the second tube 42 in a mutually telescopic manner to rotate therewith, so as to drive two circular tubes to be welded to rotate therewith, so that the welding device 2 can weld conveniently.

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

Claims

1. The utility model provides a but pipe welding machine of automatic positioning which characterized in that: including workstation (1) to and be located welding set (2) that workstation (1) upper surface is used for welding the pipe, workstation (1) upper surface is provided with storage platform (3) of two symmetric distributions, and two storage platform (3) are located the relative both sides of welding set (2) respectively, storage platform (3) upper surface is the slope form, and the lower one side in inclined plane is provided with registration arm (4), workstation (1) top is provided with and is used for driving registration arm (4) along vertical direction reciprocating motion's drive arrangement (5).

2. The automatically positionable circular tube welding machine of claim 1, wherein: the positioning pipe (4) comprises a first pipe body (41) and a second pipe body (42) which are mutually telescopic and spliced, wherein the first pipe body (41) and the second pipe body (42) are both tubular, and the surface of the first pipe body and the surface of the second pipe body are provided with feed openings, so that the round pipe enters the first pipe body (41) and the second pipe body (42) from the feed openings.

3. The automatically positionable circular tube welding machine of claim 2, wherein: the driving device (5) comprises two first rod bodies (51) which are fixedly connected to the upper surface of the workbench (1) and are symmetrically distributed, a second rod body (52) is telescopically inserted at the upper end of the first rod body (51), fixing rings (53) are integrally arranged at the top end of the second rod body (52), the two fixing rings (53) are respectively sleeved on the two first pipe bodies (41), a connecting plate (54) is fixedly connected between the two second rod bodies (52), a semicircular plate (55) is fixed on the surface of the connecting plate (54), a semicircular sliding groove (56) is formed in the surface of the semicircular plate (55), the semicircular sliding groove (56) is provided with an arc-shaped groove and a linear groove, a swing rod (57) driven by external driving equipment is arranged above the workbench (1), one end of the swing rod (57) is fixedly connected with a slide block (58) which is matched with the semicircular sliding groove (56).

4. A automatically positionable pipe welding machine according to claim 3, wherein: the processing device is characterized in that two clamping components (6) used for driving two to-be-processed round pipes to move towards the opposite direction simultaneously are arranged above the workbench (1), each clamping component (6) comprises two vertical rods (61) which are arranged above the workbench (1) and symmetrically distributed, a connecting column (62) is fixed between each vertical rod (61) and each connecting plate (54), a first annular frame is integrally arranged at the upper end of each vertical rod (61), a first circular disc (69) is rotationally connected into the first annular frame at the upper end of each vertical rod (61), a rectangular sliding groove (63) is formed in the surface of each first circular disc (69), a bottom plate (64) is attached to the free ends of the two second pipe bodies (42), a cross rod (65) is fixedly connected onto the surface of each bottom plate (64), a supporting rod is vertically fixed onto the upper surface of the workbench (1), the cross rod (65) penetrates through the supporting rods and is slidably connected with the supporting rods, the surface of the cross rod (65) is integrally provided with a second annular frame, a second disc (67) is arranged in the second annular frame on the surface of the cross rod (65), a rectangular sliding rod (68) matched with the rectangular sliding groove (63) is fixed on the surface of the second disc (67), the rectangular sliding groove (63) and the rectangular sliding rod (68) are inclined, and the second annular frame inclines from bottom to top from one side close to the second pipe body (42) to one side far away from the second pipe body (42).

5. The automatically positionable round tube welding machine of claim 4, wherein: a face pressing switch is arranged in the bottom plate (64) and is electrically connected with the welding device (2).

6. A automatically positionable pipe welding machine according to claim 5, wherein: be provided with adjusting part (7) that is used for adjusting its range of movement on horizontal pole (65), adjusting part (7) are including fixed connection in rectangular frame (71) of horizontal pole (65) upper surface, rectangular frame (71) internal rotation is connected with threaded rod (72), threaded rod (72) surface threaded connection has internal thread cover (73), internal thread cover (73) surface is the rectangle form, and laminates in rectangular frame (71), rectangle slide bar (68) one side fixedly connected with rectangle stopper (74) is kept away from in second disc (67), rectangle stopper (74) are parallel to each other with rectangle slide bar (68), rectangle stopper (74) surface cover is equipped with adjusts loop bar (75), adjust loop bar (75) one end and rotate to be connected in internal thread cover (73), first disc (69) rotate to be connected in the first annular frame on montant (61) top, the second disc (67) is rotatably connected to the surface of the cross bar (65) in a second annular frame.

7. The automatically positionable circular tube welding machine of claim 6, wherein: and a linkage assembly (8) for driving two circular tubes to be welded to rotate simultaneously is arranged on the upper surface of the workbench (1).

8. The automatically positionable round tube welding machine of claim 7, wherein: the surface of each of the two second pipe bodies (42) is sleeved with a first gear (81), two inner gear rings (82) which are symmetrically distributed and are respectively intermittently meshed with the two first gears (81) are arranged above the workbench (1), a second gear (83) is sleeved on the outer surface of each inner gear ring (82), annular grooves are formed in the surfaces of the inner gear rings (82), arc-shaped supporting plates are rotatably connected in the annular grooves, the arc-shaped supporting plates are fixedly connected to the workbench (1) through connecting rods, the upper surface of the workbench (1) is rotatably connected with a large gear (84) which is coaxially fixed with the swing rod (57), small gears (85) are meshed on the surfaces of the large gears (84), worm wheels (86) which are coaxially fixed with the small gears (85) are rotatably connected to the upper surface of the workbench (1), worms (87) are meshed above the worm wheels (86), and third gears (88) are sleeved at two ends of the worms (87), the two third gears (88) are meshed with the two second gears (83) respectively.