CN214080009U

CN214080009U - Welding platform with leveling head

Info

Publication number: CN214080009U
Application number: CN202022962662.0U
Authority: CN
Inventors: 宋琴
Original assignee: Sichuan Aviation Vocational College Sichuan Space Advanced Technical School
Current assignee: Sichuan Aviation Vocational College Sichuan Space Advanced Technical School
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-31
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a welding device platform with leveling head, be applicable to pipe butt welding, welding device platform includes the base, thimble and chuck, under the setting of second lead screw, first cylinder and electric telescopic handle, make the height-adjustable of leveling head, and horizontal and vertical all adjustable, can carry out the precision detection to the roughness of butt joint under the setting of leveling head, under the setting of first motor, first lead screw nut seat, remove the brace table, fixed brace table, chuck and thimble, can clamp the pipe fitting of waiting to weld of different length, under the setting of first slide rail, sliding plate, second cylinder, second lifter plate, supporting wheel group, make things convenient for operating personnel to cooperate the butt joint, time saving and labor saving, improve assembly efficiency; meanwhile, support is provided near the welding joint of the pipe in the welding process, and the condition that the welding quality is influenced by falling off or separation of the butt joint can be effectively prevented.

Description

Welding platform with leveling head

Technical Field

The utility model relates to a welding is equipped technical field, especially relates to a weld dress platform with leveling head.

Background

Butt welding is a method in which a workpiece is placed between two clamping devices, the end faces of the workpiece are aligned, and welding is performed by applying electric heat to the contact portions.

In the process of preassembling and clamping a to-be-welded part, especially in the process of preassembling a pipe in a butt welding mode, the conditions that the butt joint is not accurately matched and the surface to be welded is not flat often occur. The formation of the welding seam can be greatly influenced under the condition, so that the quality of the welding seam is deteriorated, and welding defects and the like are caused. In the existing production process, operators mostly adopt a mode of visual observation or a mode of sliding a ruler near a joint to detect the flatness of the joint part, the detection precision is low, and the matching precision of the butt joint cannot be well ensured; meanwhile, when the existing welding fixture or welding platform is used for preassembling a long part to be welded, time and labor are wasted, and the assembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weld dress platform with flattening head to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a welding platform with a leveling head is suitable for butt welding of pipes and comprises a base, an ejector pin and a chuck, wherein a fixed support platform is arranged at the top of the base, an installation ring is arranged at the top of the fixed support platform, the ejector pin is rotatably connected in the installation ring, a first groove and a second groove are communicated with the top of the base, a rotatable first screw rod is arranged in the first groove, a first motor for driving the first screw rod to rotate is arranged on the base, a first screw rod nut seat is arranged on the first screw rod, at least two first slide rails are arranged in the first groove, the first screw rod nut seat is in sliding connection with the first slide rails, a movable support platform is arranged at the top of the first screw rod nut seat, a rotatable chuck and a second motor for driving the chuck to rotate are arranged at the top of the movable support platform, the chuck is matched with the ejector pin, and a rotatable second screw rod is arranged in the second groove, be provided with the third motor that drives second lead screw pivoted on the base, be provided with second lead screw nut seat on the second lead screw, be provided with two piece at least first optical axes in the second recess, second lead screw nut seat and first optical axis sliding connection, second lead screw nut seat top is provided with first sliding platform, first sliding platform top is provided with the second slide rail, second slide rail top sliding connection has second sliding platform, first sliding platform top is provided with the gliding electric telescopic handle of drive second sliding platform, second sliding platform top is provided with first cylinder, the piston rod top of first cylinder is provided with first lifter plate, first lifter plate top is provided with the head rod, the head rod end is provided with the flattening head that detects the welded pipe butt joint roughness.

The number of the first slide rails is two, the two first slide rails are symmetrically arranged relative to the first screw rod, and first slide grooves in one-to-one correspondence with the first slide rails are arranged at the bottom of the first screw rod nut seat.

The number of the first optical axes is two, and the two first optical axes are symmetrically arranged relative to the second screw rod.

The chuck is a three-jaw hollow hydraulic chuck.

The leveling head comprises a frame body, a fourth motor, a third lead screw nut seat, a test box body, a rotating shaft and an inclination angle sensor, wherein the frame body is connected with a first connecting rod, a rotatable third lead screw and a fourth motor for driving the third lead screw to rotate are arranged in the frame body, the third lead screw is provided with the third lead screw nut seat, the bottom of the frame body is provided with at least two second optical axes, the bottom of the third lead screw nut seat is rotatably connected with the rotating shaft, the test box body is fixedly connected with the rotating shaft, the test box body is further provided with the inclination angle sensor for detecting the rotating angle of the rotating shaft, the test box body is provided with a controller and an indicator lamp, and the fourth motor, the inclination angle sensor and the indicator lamp are all connected with the controller through wires.

And two ends of the bottom of the test box body are rotatably connected with test guide wheels.

The first sliding rail is further connected with a sliding plate in a sliding mode, a second air cylinder is arranged at the top of the sliding plate, a second lifting plate is arranged at the top end of a piston rod of the second air cylinder, and at least two supporting wheel sets are arranged at the top of the second lifting plate.

And the sliding plate is provided with second sliding grooves which correspond to the first sliding rails one to one.

The utility model has the advantages that:

1. the height of the leveling head can be adjusted by the third motor, the second screw rod nut seat, the first sliding platform, the first connecting rod, the first air cylinder and the electric telescopic rod, and the leveling head can be adjusted transversely and longitudinally, so that the leveling head can be suitable for detecting the flatness of pipes to be welded with different sizes.

2. Under the arrangement of the frame body, the third motor, the third screw rod nut seat, the test box body, the rotating shaft, the inclination angle sensor, the controller and the indicating lamp, the flatness of the butt joint can be precisely detected, and the precise matching of the butt joint and the welding quality of the butt welding of the pipes can be further ensured.

3. Under the setting of first motor, first lead screw nut seat, removal brace table, fixed brace table, chuck and thimble, can treat that the pipe fitting carries out the centre gripping to different length, improved the suitability of welding the platform.

4. Under the arrangement of the first sliding rail, the sliding plate, the second air cylinder, the second lifting plate and the supporting wheel sets, the two supporting wheel sets can be moved to two sides of the butt joint in the pre-assembly process, so that an operator can conveniently match the butt joint of the pipes, the time and the labor are saved, and the assembly efficiency is improved; meanwhile, support is provided near the welding joint of the pipe in the welding process, and the condition that the welding quality is influenced by falling off or separation of the butt joint can be effectively prevented.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 4 is a schematic view of a partial structure of the sliding platform of the present invention;

fig. 5 is a schematic structural view of the sliding plate according to the present invention;

fig. 6 is a schematic structural view of a first feed screw nut seat in the present invention;

fig. 7 is a schematic side view of the middle support wheel set of the present invention.

In the figure, 1, a base; 2. fixing the support table; 3. moving the support table; 4. a first groove; 5. a first motor; 6. a first lead screw; 7. a first lead screw nut seat; 71. a first chute; 8. a first slide rail; 9. a second motor; 10. a chuck; 11. a mounting ring; 12. a thimble; 13. a second groove; 14. a third motor; 15. a second lead screw; 16. a second feed screw nut seat; 17. a first sliding platform; 18. a first optical axis; 19. a second slide rail; 20. a second sliding platform; 21. a first cylinder; 22. a first lifter plate; 23. a first connecting rod; 24. an electric telescopic rod; 25. a frame body; 26. a fourth motor; 27. a third screw rod; 28. a third screw-nut seat; 29. a second optical axis; 30. testing the box body; 31. a rotating shaft; 32. testing the guide wheel; 33. a second lifter plate; 34. a support wheel set; 35. a sliding plate; 351. a second chute; 36. a second cylinder; 37. a tilt sensor; w, welding robot.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

Please refer to fig. 1-6, an embodiment of the present invention provides a welding platform with a leveling head, which is suitable for butt welding of pipes, and comprises a base 1, a thimble 12 and a chuck 10, referring to fig. 1, a fixed supporting table 2 is fixedly mounted on the top of the base 1, the fixed supporting table 2 is fixedly mounted on the left end of the top of the base 1, and is located on the left side of the first groove 4, a mounting ring 11 is fixedly mounted on the top of the fixed supporting table 2, and the thimble 12 is rotatably connected in the mounting ring 11.

Referring to fig. 2, the top of the base 1 is provided with a first groove 4 and a second groove 13.

Referring to fig. 1, a rotatable first screw rod 6 is arranged in a first groove 4, a first motor 5 for driving the first screw rod 6 to rotate is arranged on a base 1, a first screw rod nut seat 7 is arranged on the first screw rod 6, two first slide rails 8 are arranged in the first groove 4, the two first slide rails 8 are symmetrically arranged with respect to the first screw rod 6, referring to fig. 6, first slide grooves 71 corresponding to the first slide rails 8 one to one are arranged at the bottom of the first screw rod nut seat 7, the first screw rod nut seat 7 is slidably connected with the first slide rails 8, a movable support table 3 is arranged at the top of the first screw rod nut seat 7, a rotatable chuck 10 and a second motor 9 for driving the chuck 10 to rotate are arranged at the top of the movable support table 3, the chuck 10 is matched with an ejector pin 12, the chuck 10 is a three-jaw hollow hydraulic chuck, and the specific structure of the three-jaw hollow hydraulic chuck is not described herein.

The first motor 5 is started, the first screw rod 6 rotates, the first screw rod nut seat 7 can move on the first screw rod 6 in a reciprocating mode, the distance between the movable supporting platform 3 and the fixed supporting platform 2 is adjustable, the distance between the chuck 10 and the ejector pin 12 is adjustable, then pipe fittings to be welded with different lengths can be clamped, the adaptability of the welding platform is improved, and a clamping schematic diagram of the pipe fittings to be welded on the welding platform is shown in a dotted line in fig. 1.

Referring to fig. 1, a sliding plate 35 is further slidably connected to the first sliding rail 8, a second cylinder 36 is disposed at the top of the sliding plate 35, a second lifting plate 33 is disposed at the top end of a piston rod of the second cylinder 36, referring to fig. 3, two supporting wheel sets 34 are disposed at the top of the second lifting plate 33, referring to fig. 7, the supporting wheel sets 34 include a cross bracket and two driven guide wheels, the driven guide wheels are rotatably connected to the cross bracket, referring to fig. 5, second sliding grooves 351 corresponding to the first sliding rails 8 are disposed on the sliding plate 35, the second cylinder 36 can adjust the height of the second lifting plate 33, and further adjust the height of the two supporting wheel sets 34, the two supporting wheel sets 34 can be moved to two sides of the butt joint during the pre-assembling process, referring to fig. 3, the two supporting wheel sets 34 respectively support two pipes, when the long pipes are pre-assembled, one end of the pipe abuts against the thimble 12 or is clamped on the chuck 10, the supporting wheel set 34 can provide temporary support for the other end of the pipe, so that an operator can conveniently match the pipe butt joint, time and labor are saved, and the assembly efficiency is improved; meanwhile, support is provided near the welding joint of the pipe in the welding process, and the condition that the welding quality is influenced by falling off or separation of the butt joint can be effectively prevented.

Referring to fig. 4, two first optical axes 18 are arranged in the second groove 13, the two first optical axes 18 are symmetrically arranged with respect to the second screw 15, the second screw nut seat 16 is slidably connected with the first optical axes 18, a first sliding platform 17 is arranged on the top of the second screw nut seat 16, a second sliding rail 19 is arranged on the top of the first sliding platform 17, a second sliding platform 20 is slidably connected on the top of the second sliding rail 19, referring to fig. 2, an electric telescopic rod 24 for driving the second sliding platform 20 to slide is arranged on the top of the first sliding platform 17, referring to fig. 4, a first cylinder 21 is arranged on the top of the second sliding platform 20, a first lifting plate 22 is arranged on the top of a piston rod of the first cylinder 21, and sliding rods capable of vertically sliding are arranged at four corners of the bottom of the first lifting plate 22, the slide bar is arranged in parallel with the piston rod running path of the first cylinder 21, the top of the first lifting plate 22 is provided with a first connecting rod 23, and the tail end of the first connecting rod 23 is provided with a leveling head for detecting the flatness of the butt joint of the pipes to be welded.

The third motor 14 is started to drive the second lead screw 15 to rotate, and then the second lead screw nut seat 16 can transversely reciprocate, namely the first sliding platform 17 and the first connecting rod 23 can transversely reciprocate, the first cylinder 21 is started to enable the height of the first connecting rod 23 to be adjustable, the electric telescopic rod 24 is started to enable the first connecting rod 23 to longitudinally reciprocate, and then the height of the leveling head can be adjusted, and the leveling head can be adjusted transversely and longitudinally, and further the leveling head can be suitable for detecting the flatness of the to-be-welded pipe fittings with different sizes.

The leveling head comprises a frame body 25, a fourth motor 26, a third screw rod 27, a third screw rod nut seat 28, a test box body 30, a rotating shaft 31 and an inclination angle sensor 37, wherein the frame body 25 is connected with a first connecting rod 23, the frame body 25 is internally provided with the rotatable third screw rod 27 and the fourth motor 26 for driving the third screw rod 27 to rotate, the third screw rod 27 is provided with the third screw rod nut seat 28, the bottom of the frame body 25 is provided with at least two second optical shafts 29, the bottom of the third screw rod nut seat 28 is rotatably connected with the rotating shaft 31, the test box body 30 is fixedly connected with the rotating shaft 31, the test box body 30 is also provided with the inclination angle sensor 37 for detecting the rotating angle of the rotating shaft 31, the test box body 30 is provided with a controller and an indicator lamp, the fourth motor 26, the inclination angle sensor 37 and the indicator lamp are all electrically connected with the controller through conducting wires, two ends of the bottom of the test box body 30 are rotatably connected with test guide wheels 32, when the inclination angle sensor 37 detects the angle deflection, the indicator light can light up to remind the operator.

The tilt sensor 37, the indicator light and the controller are all in the prior art and are well known to those skilled in the art, and therefore, they will not be described herein in detail.

Two ends of one section of pipe to be welded are respectively abutted against the ejector pin 12 and the supporting wheel set 34, one end of the other section of pipe to be welded is clamped by the chuck 10, the supporting table 3 is moved to enable the two sections of pipes to be close to each other, and pre-butt joint is carried out; after the pre-butt joint is completed, the leveling head is moved to a position right above the butt joint, the testing guide wheel 32 on the testing box body 30 is contacted with one section of pipe to be welded, the fourth motor 26 is started to drive the third screw rod 27 to rotate, thereby driving the third screw and nut seat 28 to move back and forth transversely, the test box body 30 moves back and forth on both sides of the welded joint, if the butt joint of the two pipes is dislocated, a stepped shape is formed at the butt joint, inclination occurs during movement of the test cartridge 30, then the rotating shaft 31 will rotate, the tilt sensor 37 receives the signal, the indicator light is on, which indicates that the butt joint is uneven and dislocated, at this time, the operator can lift the supporting wheel set 34 and the fine adjustment chuck 10 to clamp the pipe or adjust the contact position between the pipe and the thimble 12 to perform fine adjustment on the butt joint, and after fine adjustment, the detection of the butt joint by the flat head is repeated until the indicator light is not on when the testing box 30 reciprocates.

At the moment, the leveling head is moved to a position far away from and not interfering the operation of the welding robot W, and the welding robot W is used for carrying out multi-point spot welding and pre-fixing on the circumferential direction of the welding joint.

In order to ensure that the butt joint is correctly matched, the second motor 9 can be started to rotate to use the leveling head to repeatedly detect the pipe to be welded at a certain angle, and if the angle is changed and the indicator light is turned on during detection, the rubber hammer can be used for hammering the joint part to be finely adjusted again.

And after the butt joint is matched, welding the pipe butt joint by using a welding robot W.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a weld dress platform with flat head, is applicable to pipe butt welding, welds dress platform and includes base (1), thimble (12) and chuck (10), its characterized in that: the top of the base (1) is provided with a fixed supporting platform (2), the top of the fixed supporting platform (2) is provided with a mounting ring (11), the mounting ring (11) is rotationally connected with a thimble (12), the top of the base (1) is communicated with a first groove (4) and a second groove (13), a rotatable first screw rod (6) is arranged in the first groove (4), the base (1) is provided with a first motor (5) for driving the first screw rod (6) to rotate, the first screw rod (6) is provided with a first screw rod nut seat (7), the first groove (4) is provided with at least two first slide rails (8), the first screw rod nut seat (7) is slidably connected with the first slide rails (8), the top of the first screw rod nut seat (7) is provided with a movable supporting platform (3), the top of the movable supporting platform (3) is provided with a rotatable chuck (10) and a second motor (9) for driving the chuck (10) to rotate, the chuck (10) is matched with the thimble (12), a rotatable second screw rod (15) is arranged in the second groove (13), a third motor (14) for driving the second screw rod (15) to rotate is arranged on the base (1), a second screw rod nut seat (16) is arranged on the second screw rod (15), at least two first optical axes (18) are arranged in the second groove (13), the second screw rod nut seat (16) is connected with the first optical axes (18) in a sliding manner, a first sliding platform (17) is arranged at the top of the second screw rod nut seat (16), a second sliding rail (19) is arranged at the top of the first sliding platform (17), a second sliding platform (20) is connected at the top of the second sliding rail (19) in a sliding manner, an electric telescopic rod (24) for driving the second sliding platform (20) to slide is arranged at the top of the first sliding platform (17), and a first air cylinder (21) is arranged at the top of the second sliding platform (20), a first lifting plate (22) is arranged at the top end of a piston rod of the first air cylinder (21), a first connecting rod (23) is arranged at the top of the first lifting plate (22), and a leveling head for detecting the flatness of the butt joint of the pipes to be welded is arranged at the tail end of the first connecting rod (23).

2. A welding platform with a leveling head according to claim 1, characterized in that: the number of the first sliding rails (8) is two, the two first sliding rails (8) are symmetrically arranged relative to the first screw rod (6), and first sliding grooves (71) which are in one-to-one correspondence with the first sliding rails (8) are arranged at the bottom of the first screw rod nut seat (7).

3. A welding platform with a leveling head according to claim 1, characterized in that: the number of the first optical axes (18) is two, and the two first optical axes (18) are symmetrically arranged relative to the second screw rod (15).

4. A welding platform with a leveling head according to claim 1, characterized in that: the chuck (10) is a three-jaw hollow hydraulic chuck.

5. A welding platform with a leveling head according to claim 1, characterized in that: the leveling head comprises a frame body (25), a fourth motor (26), a third screw rod (27), a third screw rod nut seat (28), a test box body (30), a rotating shaft (31) and an inclination angle sensor (37), wherein the frame body (25) is connected with a first connecting rod (23), the frame body (25) is internally provided with a rotatable third screw rod (27) and a fourth motor (26) for driving the third screw rod (27) to rotate, the third screw rod (27) is provided with the third screw rod nut seat (28), the bottom of the frame body (25) is provided with at least two second optical axes (29), the bottom of the third screw rod nut seat (28) is rotatably connected with the rotating shaft (31), the test box body (30) is fixedly connected with the rotating shaft (31), the test box body (30) is also provided with the inclination angle sensor (37) for detecting the rotating angle of the rotating shaft (31), and the test box body (30) is provided with a controller and an indicator lamp, and the fourth motor (26), the inclination angle sensor (37) and the indicator lamp are electrically connected with the controller through leads.

6. A welding platform with a leveling head according to claim 5, characterized in that: and two ends of the bottom of the test box body (30) are rotatably connected with test guide wheels (32).

7. A welding platform with a leveling head according to claim 5, characterized in that: the first sliding rail (8) is further connected with a sliding plate (35) in a sliding mode, a second air cylinder (36) is arranged at the top of the sliding plate (35), a second lifting plate (33) is arranged at the top end of a piston rod of the second air cylinder (36), and at least two supporting wheel sets (34) are arranged at the top of the second lifting plate (33).

8. A welding platform with a leveling head according to claim 7, characterized in that: and the sliding plate (35) is provided with second sliding grooves (351) which correspond to the first sliding rails (8) one by one.