CN212042066U

CN212042066U - Weld leveling mechanism of welded pipe forming machine

Info

Publication number: CN212042066U
Application number: CN202020020572.7U
Authority: CN
Inventors: 朱道中
Original assignee: Wenzhou Suoyuan Precision Welded Pipe Co ltd
Current assignee: Wenzhou Suoyuan Precision Welded Pipe Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-12-01
Anticipated expiration: 2030-01-06

Abstract

The utility model relates to a welding seam levelling mechanism of welded tube make-up machine, which comprises a frame, the one end of frame is the feed end, the other end is the discharge end, the frame is close to and is connected with the mount between the both sides of the one end of feed end, be connected with the plug that stretches into welded tube inside on the mount, the lateral wall of plug is equipped with three rectangular hole along self length spaced apart, three rectangular downthehole dwang that all is connected with, three dwang rotates in proper order and is connected with first supporting wheel, flattening wheel and second supporting wheel, the frame all is connected with the alignment jig in the both sides of flattening wheel, it is connected with the leveling roller to rotate between the alignment jig, the up end of frame is connected with first fixed plate and second fixed plate respectively in the both sides of two alignment jigs, it is connected with first fixation roller to rotate between two first fixed plates, it is connected. The flattening wheel and the flattening roller extrude the welding seam, so that the welding seam is flattened, and the quality of the welded pipe is improved.

Description

Weld leveling mechanism of welded pipe forming machine

Technical Field

The utility model belongs to the technical field of the technique of welded tube make-up machine and specifically relates to a welding seam leveling mechanism of welded tube make-up machine is related to.

Background

The welded steel pipe is also called as welded pipe, and is made by welding steel plate or strip steel after being curled and formed by a welded pipe forming machine. The welded steel pipe has simple production process and high production efficiency.

At present, a patent with publication number CN203678902U discloses a CTA welded pipe forming unit, which is provided with a rough roll, an edge bending roll, an independent vertical roll mechanism and a finishing roll in sequence on the lower table-board of the unit; the strip steel passes through the rough roll, the edge bending roll and the independent vertical roll mechanism in sequence, and finally comes out of the finishing roll and is molded. The welded pipe forming unit can process the precise welded pipe with thick wall, larger caliber and higher strength, the adjusting time of the forming unit is shortened, and the production efficiency is high; the quality of the welding seam is improved, and the running speed of the unit is stable.

The above prior art solutions have the following drawbacks: the welded pipe produced by the welded pipe forming machine has obvious welding seams, the welding seams are usually required to be polished, time and labor are wasted, and therefore improvement is needed.

Disclosure of Invention

Not enough to prior art exists, one of the purposes of the utility model is to provide a welding seam leveling mechanism of welded tube make-up machine, directly flatten the welding seam in the production process of welded tube, need not to polish to the welding seam again, improve the welded tube quality, labour saving and time saving.

The above object of the present invention is achieved by the following technical solutions:

a welding seam leveling mechanism of a welding pipe forming machine comprises a machine frame, wherein one end of the machine frame is a feeding end, the other end of the machine frame is a discharging end, a fixing frame is connected between two sides of one end, close to the feeding end, of the machine frame, a core rod extending into the welding pipe is connected onto the fixing frame, three strip holes are formed in the side wall of the core rod at intervals along the length of the core rod, rotating rods are connected into the three strip holes, the three rotating rods are sequentially and rotatably connected with a first supporting wheel, a leveling wheel and a second supporting wheel, the first supporting wheel and the second supporting wheel extend out of the lower ends of the strip holes, the leveling wheel extends out of the upper ends of the strip holes, adjusting frames are connected to two sides of the leveling wheel of the machine frame, a leveling roller positioned above the leveling wheel is rotatably connected between the adjusting frames, the leveling wheel and the leveling roller are respectively tightly pressed against the inner side and the outer side of the welding seam, and a first fixing plate and a second, two rotate between the first fixed plate and be connected with the first fixed roll that is located first supporting wheel below, two rotate between the second fixed plate and connect the second fixed roll that is located second supporting wheel below.

Through adopting above-mentioned technical scheme, place the plug in the welded tube in advance, the welded tube forms the welding seam at the lateral wall after welding, and the inside wall of welding seam is hugged closely to the flattening wheel, and the lateral wall of welding seam is hugged closely to the flattening roller, and first supporting wheel and second supporting wheel give a holding power of flattening roller, and the welded tube is at transportation process, and flattening wheel and flattening roller extrude the welding seam to with the welding seam flattening, improve the quality and the wholeness of welded tube.

The present invention may be further configured in a preferred embodiment as: the both ends of leveling roller all rotate and are connected with the sliding block, two the gliding adjustment tank is gone into and is supplied the sliding block card to go into all along vertical direction to one side that the alignment jig is in opposite directions, the upper end of alignment jig is connected with the regulating block, the up end of sliding block rotates along vertical direction and is connected with the worm, the regulating block is passed to the one end of worm, the regulating block deviates from one side of frame and rotates and be connected with the regulation pole, adjust pole one end and stretch into in the adjustment block and be connected with the worm wheel with worm meshing.

Through adopting above-mentioned technical scheme, rotate the regulation pole, the worm wheel on the regulation pole drives the worm and reciprocates to make the regulating block remove in the adjustment tank, and then adjust the position of leveling roller, make things convenient for the not unidimensional welded tube of adaptation.

The present invention may be further configured in a preferred embodiment as: and one end of the adjusting rod, which is far away from the adjusting block, is connected with an adjusting hand wheel.

Through adopting above-mentioned technical scheme, rotate adjusting handle and can drive the worm wheel and rotate, the worm wheel drives the worm and reciprocates, labour saving and time saving.

The present invention may be further configured in a preferred embodiment as: the plug has two fixed arms that are T shape towards the one end symmetric connection of mount, two be connected with the spliced pole between the fixed arm, the T-shaped groove that supplies the fixed arm card to go into is all seted up to the wall of the back of the body both sides of spliced pole, one side that the spliced pole deviates from the plug is connected with fixing screw along frame length direction, fixing screw wears to locate on the mount and threaded connection has fixation nut.

Through adopting above-mentioned technical scheme, beat the spliced pole into between two fixed arms with the hammer, two fixed arms are outside to be expanded, when the spliced pole is gone into between two fixed arms completely, two fixed arms reconversion and the T inslot on the spliced pole of card income to fix the spliced pole between two fixed arms, then pass the mount and revolve fixation nut on fixation screw with the fixation screw on the spliced pole, thereby fix the plug in the frame.

The present invention may be further configured in a preferred embodiment as: and a locking rod is arranged between the two fixed arms and the connecting column in a penetrating manner.

Through adopting above-mentioned technical scheme, the locking lever can prevent that the fixed arm from breaking away from the T-slot on the spliced pole to improve the fastness of connection between fixed arm and the spliced pole.

The present invention may be further configured in a preferred embodiment as: the surface of the leveling wheel is a spherical cambered surface, and the surface of the leveling wheel is tightly attached to the inner side wall of the welded pipe.

Through adopting above-mentioned technical scheme, spherical cambered surface makes the flattening wheel hug closely with the inside wall of welded tube for more level and smooth after the welding seam extrusion.

The present invention may be further configured in a preferred embodiment as: and a rotating bearing is arranged between the rotating rod and the leveling wheel.

Through adopting above-mentioned technical scheme, rolling bearing can reduce the wearing and tearing between leveling wheel and the dwang, improves the life of leveling wheel.

The present invention may be further configured in a preferred embodiment as: all the rotating bearings are roller bearings.

Through adopting above-mentioned technical scheme, roller bearing's supporting capability is strong, and is durable to the life of core rod is provided.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the flattening wheels and the flattening rollers can extrude and flatten the welding seam, thereby improving the quality of the welded pipe;

2. the locking rod can improve the connection firmness between the connecting column and the fixed arm;

3. the roller bearing can reduce the abrasion between the leveling wheel and the rotating rod, thereby prolonging the service life of the leveling wheel.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is an exploded view of the mandrel in this embodiment.

Reference numerals: 1. a frame; 11. a feeding end; 12. a discharge end; 2. a fixed mount; 3. a core rod; 31. a strip hole; 32. rotating the rod; 33. a first support wheel; 34. a second support wheel; 35. leveling wheels; 36. a fixed arm; 4. an adjusting bracket; 41. a leveling roller; 411. a slider; 42. a first fixing plate; 43. a second fixing plate; 44. a first fixed roller; 45. a second fixed roller; 46. an adjustment groove; 47. an adjusting block; 48. adjusting a rod; 481. adjusting a hand wheel; 49. a worm; 5. connecting columns; 51. a T-shaped slot; 6. fixing the screw rod; 61. fixing a nut; 7. a locking lever; 8. and rotating the bearing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a welding seam leveling mechanism of welded tube make-up machine, including placing in subaerial frame 1, the one end of frame 1 is feed end 11, the other end is discharge end 12, fixedly connected with is the mount 2 of "door" font between the both sides of the one end that frame 1 is close to feed end 11, installs on mount 2 and stretches into the inside plug 3 of welded tube, and the lateral wall of plug 3 is equipped with three rectangular hole 31 along self length interval, rotates in proper order in the three rectangular hole 31 and is connected with first supporting wheel 33, leveling wheel 35 and second supporting wheel 34. Frame 1 all follows vertical direction fixedly connected with alignment jig 4 in the both sides of flattening wheel 35, rotates between two alignment jigs 4 to be connected with flattening roller 41, and flattening roller 41 and flattening wheel 35 can carry out the flattening to the welding seam on the welded tube, improve the quality of welded tube.

Referring to fig. 1 and 2, the rotating rods 32 are fixedly connected between two opposite inner walls of the three strip holes 31, the three rotating rods 32 are respectively rotatably connected with the first supporting wheel 33, the leveling wheel 35 and the second supporting wheel 34, the three rotating rods 32 are respectively sleeved with the rotating bearings 8, the rotating bearings 8 are roller bearings, the rotating bearings 8 can reduce abrasion between the leveling wheel 35 and the rotating rods 32, and the service life of the leveling roller 41 is prolonged. The first supporting wheel 33 and the second supporting wheel 34 extend out of the lower end of the strip hole 31, the leveling wheel 35 extends out of the upper end of the strip hole 31, the leveling wheel 35 and the leveling roller 41 tightly support the inner side wall and the outer side wall of a welding seam respectively, the rack 1 is fixedly connected with a first fixing plate 42 and a second fixing plate 43 respectively on two sides of the two adjusting frames 4, a first fixing roller 44 located below the first supporting wheel 33 is rotatably connected between the two first fixing plates 42, a second fixing roller 45 located below the second supporting wheel 34 is rotatably connected between the two second fixing plates 43, the first supporting wheel 33 tightly supports the first fixing roller 44, the second supporting wheel 34 tightly supports the second fixing roller 45, and therefore supporting force is provided for the core rod 3.

Referring to fig. 1 and 2, the mandrel 3 is fixedly connected with two symmetrically arranged fixing arms 36 in a T shape towards two sides of one end of the fixing frame 2, the fixing arms 36 are made of stainless steel, and therefore have certain deformability, a connecting column 5 is embedded between the two fixing arms 36, T-shaped grooves 51 for clamping the fixing arms 36 are formed in two opposite side walls of the connecting column 5, and a locking rod 7 is arranged between the two fixing arms 36 and the connecting column 5 in a penetrating mode. One side of the connecting column 5 departing from the core rod 3 is fixedly connected with a fixing screw rod 6 along the length direction of the frame 1, and the fixing screw rod 6 is arranged on the fixing frame 2 in a penetrating way and is connected with a fixing nut 61 through threads. The connecting column 5 is hammered into the space between the two fixing arms 36 by a hammer, the two fixing arms 36 are expanded outwards, when the connecting column 5 is completely clamped between the two fixing arms 36, the two fixing arms 36 are restored and clamped into the T-shaped groove 51 on the connecting column 5, so that the connecting column 5 is fixed between the two fixing arms 36, and then the fixing screw 6 on the connecting column 5 penetrates through the fixing frame 2 and the fixing nut 61 is screwed on the fixing screw 6. The mount 2 is not yet placed plug 3 in the welded tube in advance in welded tube bending's one end, after welded tube bending, wrap up plug 3 inside, then the welded tube welds, form the welding seam at self lateral wall after the welded tube welding is good, the inside wall of welding seam is hugged closely to flattening wheel 35 this moment, the lateral wall of welding seam is hugged closely to flattening

roller

41, 41 holding power of flattening roller are given to first supporting wheel 33 and second supporting wheel 34, the welded tube is at the transportation process, flattening wheel 35 and flattening roller 41 extrude the welding seam, thereby with the welding seam flattening, improve the quality and the wholeness of welded tube.

Referring to fig. 1, both ends of leveling roller 41 are all rotationally connected with sliding block 411, one side that two alignment brackets 4 are opposite is all seted up along vertical direction and is supplied sliding block 411 to block into and gliding adjustment tank 46, the upper end fixedly connected with regulating block 47 of alignment bracket 4, the up end of sliding block 411 is rotationally connected with worm 49 along vertical direction, regulating block 47 is passed to the one end of worm 49, one side that regulating block 47 deviates from frame 1 is rotationally connected with regulation pole 48, the one end of adjusting pole 48 stretches into in the regulating block 47 and the worm wheel (not shown in the figure) of fixedly connected with and worm 49 meshing, the one end fixedly connected with adjusting hand wheel 481 of regulating block 47 is kept away from to regulation pole 48. The adjusting hand wheel 481 is rotated to drive the adjusting rod 48 to rotate, and a worm wheel (not shown in the figure) on the adjusting rod 48 drives the worm 49 to move up and down, so that the adjusting block 47 moves in the adjusting groove 46, the position of the leveling roller 41 is adjusted, and the welded pipes with different sizes can be conveniently adapted.

Referring to fig. 2, the surface of leveling wheel 35 is the spherical cambered surface, and the spherical cambered surface makes leveling wheel 35 and the inside wall of welded tube laminate more for it is more level and smooth after the welding seam extrusion.

The implementation principle of the embodiment is as follows: pass fixing screw 6 earlier mount 2 and the fixation nut 61 of screwing to be connected the one end of plug 3 with mount 2, rotate adjusting hand wheel 481 again, make flattening roller 41 top tight welding seam lateral wall, flattening wheel 35 top tight welding seam's inside wall simultaneously, thereby make the welded tube in transportation process, flattening wheel 35 and flattening roller 41 extrude the welded seam, thereby with the welding seam flattening, improve the quality and the wholeness of welded tube.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a welding seam leveling mechanism of welded tube make-up machine, includes frame (1), the one end of frame (1) is feed end (11), the other end is discharge end (12), its characterized in that: the welding pipe fixing device is characterized in that a fixing frame (2) is connected between two sides of one end, close to a feeding end (11), of the rack (1), a mandrel (3) stretching into the interior of a welding pipe is connected onto the fixing frame (2), three strip holes (31) are formed in the side wall of the mandrel (3) along the length of the mandrel at intervals, rotating rods (32) are connected into the strip holes (31), the rotating rods (32) are sequentially connected with a first supporting wheel (33), a leveling wheel (35) and a second supporting wheel (34) in a rotating mode, the first supporting wheel (33) and the second supporting wheel (34) stretch out of the lower end of the strip holes (31), the leveling wheel (35) stretches out of the upper end of the strip holes (31), adjusting frames (4) are connected to the two sides of the rack (1) and the leveling wheel (35), leveling rollers (41) located above the leveling wheel (35) are connected between the adjusting frames (4) in a rotating mode, flattening wheel (35) and flattening roller (41) push up the inside and outside both sides of tight welding seam respectively, the up end of frame (1) is connected with first fixed plate (42) and second fixed plate (43), two respectively in the both sides of two alignment jig (4) rotate between first fixed plate (42) and be connected with first fixed roll (44) that are located first supporting wheel (33) below, two rotate between second fixed plate (43) and connect second fixed roll (45) that are located second supporting wheel (34) below.

2. The weld flattening mechanism of a welded pipe forming machine according to claim 1, characterized in that: both ends of leveling roller (41) are all rotated and are connected with sliding block (411), two the one side in opposite directions of alignment jig (4) is all followed vertical direction and has been seted up and supply sliding block (411) card to go into and gliding adjustment tank (46), the upper end of alignment jig (4) is connected with regulating block (47), the up end of sliding block (411) is rotated along vertical direction and is connected with worm (49), regulating block (47) is passed to the one end of worm (49), one side that regulating block (47) deviates from frame (1) is rotated and is connected with regulation pole (48), adjust pole (48) one end stretch into in regulating block (47) and be connected with the worm wheel with worm (49) meshing.

3. The weld flattening mechanism of a welded pipe forming machine according to claim 2, characterized in that: one end of the adjusting rod (48) far away from the adjusting block (47) is connected with an adjusting hand wheel (481).

4. The weld flattening mechanism of a welded pipe forming machine according to claim 1, characterized in that: core rod (3) have two fixed arms (36) that are the T shape towards the one end symmetric connection of mount (2), two be connected with spliced pole (5) between fixed arm (36), the T-slot (51) that supplies fixed arm (36) card to go into are all seted up to the both sides wall of the back of the body of spliced pole (5), one side that spliced pole (5) deviate from core rod (3) is connected with clamping screw (6) along frame (1) length direction, clamping screw (6) are worn to locate on mount (2) and threaded connection has fixation nut (61).

5. The weld joint leveling mechanism of the welded pipe forming machine according to claim 4, characterized in that: and a locking rod (7) is arranged between the two fixing arms (36) and the connecting column (5) in a penetrating way.

6. The weld flattening mechanism of a welded pipe forming machine according to claim 1, characterized in that: the surface of the leveling wheel (35) is a spherical cambered surface, and the surface of the leveling wheel (35) is tightly attached to the inner side wall of the welded pipe.

7. The weld flattening mechanism of a welded pipe forming machine according to claim 1, characterized in that: and a rotating bearing (8) is arranged between the rotating rod (32) and the leveling wheel (35).

8. The weld flattening mechanism of a welded pipe forming machine according to claim 7, characterized in that: all the rotating bearings (8) are roller bearings.