CN223186249U

CN223186249U - A circular arc grinding device for straight seam welded pipes

Info

Publication number: CN223186249U
Application number: CN202422366875.5U
Authority: CN
Inventors: 孙跃文; 董志广; 白景漪
Original assignee: Taiyuan City Huaneng Wode Heavy Machinery Inst Co ltd
Current assignee: Taiyuan City Huaneng Wode Heavy Machinery Inst Co ltd
Priority date: 2024-09-27
Filing date: 2024-09-27
Publication date: 2025-08-05
Anticipated expiration: 2034-09-27

Abstract

The utility model relates to the technical field of deep processing of straight welded pipes, and discloses a straight welded pipe arc grinding device which comprises a mounting table, wherein a sliding rod is inserted on the upper surface of the mounting table in a sliding manner, and a jacking plate is fixedly connected to the top end of the sliding rod. Through being provided with the top layer board, according to the pipe diameter size of straight welded pipe, rotate the internal thread swivel handle and make the screw thread post reciprocate in its inside, and drive the high regulation of top layer board, simultaneously because the top and the card frame slip joint of roof, when the bottom of fender is along with the high variation of top layer board, the contained angle between top layer board and the fender changes, drive the height of supplementary runner then and adjust, thereby make the supplementary runner conveniently support the straight welded pipe of different pipe diameters size, and can be according to the length of straight welded pipe, the position of adjusting the end frame, and can utilize the nut a pair of end frame to fix in the position of mount table upper surface, unscrew nut second back, can adjust the position of interior piece in the jam plate both sides.

Description

Arc grinding device for straight welded pipe

Technical Field

The utility model relates to the technical field of deep processing of straight welded pipes, in particular to a straight welded pipe arc grinding device.

Background

Along with the increasing progress of welded pipe technology, it puts forward more accurate requirement to straight seam welded pipe weld seam surplus height, and when straight seam welded pipe's outer weld seam surplus height was too high, the weld toe was located easily to form stress corrosion crack, and the stress concentration of weld toe department to easily induce the production of weld toe crack, and then increase the service risk of pipeline, also increase anticorrosive cost simultaneously, if adopt epoxy glass cloth to carry out the anticorrosion during the anticorrosive operation, outer weld seam surplus height is big, will make the weld toe department be difficult to press firmly, simultaneously, the welding seam is higher then the anticorrosive coating just should be thickened more, because of standard prescribes that the thickness of anticorrosive coating is the summit of outer welding seam as benchmark measuring and calculating, this has just increased anticorrosive cost.

After the straight welded pipe is welded, the welding part of the straight welded pipe needs to be ground, but the grinding treatment of the welding line can only be reduced by manual work at present, but the labor intensity is high and the dust occupation hazard is large.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a straight welded pipe arc grinding device which has the advantages of fixing straight welded pipes of different types and automatically grinding the straight welded pipes, and solves the problems in the background art.

The utility model provides a straight welded pipe arc grinding device which comprises a mounting table, wherein a sliding rod is inserted into the upper surface of the mounting table in a sliding manner, a jacking plate is fixedly connected to the top end of the sliding rod, two end plates of the jacking plate are respectively and rotatably connected with a fender, an auxiliary rotating wheel is rotatably connected to the edge of each fender, a straight welded pipe is placed at the top end of each fender, clamping rails are fixedly connected to the edges of two sides of the mounting table, end frames are arranged on two sides of the upper surface of the mounting table, a motor is fixedly connected to the top end of each end frame, a locking plate is fixedly connected to an output shaft of the motor, sliding blocks are connected to sliding grooves on two sides of the locking plate in a sliding manner, an outer wall block is fixedly connected to one side surface of each sliding block, an inner block is arranged on one side of each outer wall block, a threaded rod on one end of each inner block is in sliding and is connected with a sliding groove on each locking plate in a sliding manner, and a screw cap II is sleeved on the threaded surface of one end of each inner block.

Preferably, the lower surface of the mounting table is rotatably connected with an internal thread rotating handle, and the internal thread rotating handle is in threaded sleeve connection with the surface of the threaded column.

Preferably, the both sides of mount table upper surface are all fixedly connected with roof, and two roof are located the both sides of top layer board respectively, the lower surface fixedly connected with card frame of fender, the top activity joint of card frame and roof.

Preferably, the two ends of the end frame are respectively connected with the two clamping rails in a sliding clamping mode, the end of the end frame is fixedly connected with a threaded rod, and the surface thread of the threaded rod is sleeved with a first nut.

Preferably, both sides of the lock plate are connected with threaded hand bars in a threaded manner, and the ends of the threaded hand bars are rotationally connected with the side surfaces of the sliding blocks.

Preferably, the inside slip joint of card rail has the movable plate, the bottom threaded connection of movable plate has fastening screw, fastening screw's end inner wall and the lower surface border of mount table closely laminate.

Preferably, the inside slip joint of movable plate has the slide, the top fixedly connected with electric telescopic handle one of movable plate, electric telescopic handle one's bottom and the top fixed connection of slide, the limit wall fixedly connected with electric telescopic handle two of slide, electric telescopic handle two's end fixedly connected with grinding head.

Compared with the prior art, the utility model has the following beneficial effects:

1. Through being provided with the top layer board, according to the pipe diameter size of straight welded pipe, rotate the internal thread revolving handle and make the screw thread post reciprocate in its inside, and drive the high regulation of top layer board, simultaneously because the top and the slip joint of card frame of roof, when the bottom of fender is along with the high variation of top layer board, contained angle between top layer board and the fender changes, then drive the height of supplementary runner and adjust, thereby make the supplementary runner conveniently support the straight welded pipe of different pipe diameters size, and can be according to the length of straight welded pipe, the position of adjusting the end frame, and can utilize a pair of end frame of nut to fix in the position of mount table upper surface, unscrew nut second back, can adjust the position of interior piece in the jam plate both sides, make the side and the inner wall butt of straight welded pipe of interior piece, the screw thread hand lever can drive the slider and remove in the jam plate both sides inslot, thereby make the position of outer wall piece remove, and with interior piece mutually support, thereby can press from both sides the side wall motor clamp to the straight welded pipe, can carry out the clamp at the jam plate, can drive the device that can move, thereby can carry out the movable range and can be suitable for the straight welded pipe, the device is convenient, the device is suitable for the straight welded pipe is moved, the following the straight welded pipe has been moved, the device is convenient to be cut and has high-welded.

2. Through being provided with the movable plate, the movable plate makes the welding position on movable plate and the straight welded pipe surface corresponding, and the rotation fastening screw is fixed to the position of movable plate, starts the height that electric telescopic handle one and drives the slide and adjust for the grinding head is located the side of straight welded pipe, starts electric telescopic handle two at last and drives the grinding head and remove, makes the surface of grinding head laminate mutually with the welding place on the straight welded pipe, thereby can conveniently carry out the grinding effect to straight welded pipe, has solved current manual work and has done the reduction welding seam coping and handled, has saved the input of manpower, reduces intensity of labour and dust occupation harm.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the device of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1 according to another embodiment of the present utility model;

Fig. 3 is a schematic view of a top tray structure according to the present utility model.

The device comprises a mounting table 1, a sliding rod 2, a top supporting plate 3, a threaded column 4, a threaded rotating handle 5, a wing plate 6, an auxiliary rotating wheel 7, a top plate 8, a clamping frame 9, a clamping rail 10, a clamping rail 11, an end frame 12, a first nut 13, a motor 14, a locking plate 15, an inner block 16, a second nut 17, an outer wall block 18, a sliding block 19, a threaded hand rod 20, a moving plate 21, a fastening screw rod 22, a sliding seat 23, a first electric telescopic rod 24, a second electric telescopic rod 25 and a grinding head.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a straight welded pipe arc grinding device comprises a mounting table 1, a sliding rod 2 is slidably inserted into the upper surface of the mounting table 1, a top supporting plate 3 is fixedly connected to the top end of the sliding rod 2, two ends of the top supporting plate 3 are rotatably connected with a fender 6, the edge of the fender 6 is rotatably connected with an auxiliary rotating wheel 7, a straight welded pipe is placed at the top end of the fender 6, clamping rails 10 are fixedly connected to the edges of two sides of the mounting table 1, end frames 11 are arranged on two sides of the upper surface of the mounting table 1, a motor 13 is fixedly connected to the top end of the end frames 11, a locking plate 14 is fixedly connected to an output shaft of the motor 13, a sliding block 18 is slidably clamped in sliding grooves on two sides of the locking plate 14, an outer wall block 17 is fixedly connected to one side surface of the sliding block 18, an inner block 15 is arranged on one side of the outer wall block 17, a threaded rod at one end of the inner block 15 is slidably clamped with the sliding grooves on the locking plate 14, and a screw cap 16 is sleeved on the threaded surface of one end of the inner block 15.

Wherein, the lower surface rotation of mount table 1 is connected with internal thread stem 5, internal thread stem 5 screw thread cup joints the surface at screw thread post 4, the equal fixedly connected with roof 8 in both sides of mount table 1 upper surface, two roof 8 are located the both sides of top layer board 3 respectively, the lower fixed surface of fender 6 is connected with card frame 9, card frame 9 and the top activity joint of roof 8, rotate internal thread stem 5 and make screw thread post 4 reciprocate in its inside, and drive the height of top layer board 3 and adjust, simultaneously because the top and the card frame 9 slip joint of roof 8, when the bottom of fender 6 is along with the high variation of top layer board 3, contained angle between top layer board 3 and the fender 6 changes, then drive the height of auxiliary runner 7 and adjust, thereby make auxiliary runner 7 conveniently support the straight seam welded tube of different pipe diameters size.

The two ends of the end frame 11 are respectively connected with the two clamping rails 10 in a sliding and clamping manner, the end of the end frame 11 is fixedly connected with a threaded rod, a first nut 12 is sleeved on the surface thread of the threaded rod, the position of the end frame 11 is adjusted according to the length of the straight welded pipe, and the position of the end frame 11 on the upper surface of the mounting table 1 can be fixed by the first nut 12.

The two sides of the lock plate 14 are both in threaded connection with a threaded hand lever 19, the end of the threaded hand lever 19 is rotationally connected with the side surface of the sliding block 18, and the sliding block 18 can be driven to move in grooves on the two sides of the lock plate 14 by rotating the threaded hand lever 19, so that the position of the outer wall block 17 moves and is matched with the inner block 15, the side wall of the straight welded pipe can be clamped, and the lock plate 14 can be driven to move after the motor 13 is started.

The inside slip joint of card rail 10 has movable plate 20, the bottom threaded connection of movable plate 20 has fastening screw 21, fastening screw 21's end inner wall closely laminates with the lower surface border of mount table 1, movable plate 20's inside slip joint has slide 22, movable plate 20's top fixedly connected with electric telescopic handle one 23, electric telescopic handle one 23's bottom and slide 22's top fixedly connected with, slide 22's limit wall fixedly connected with electric telescopic handle two 24, electric telescopic handle two 24's end fixedly connected with grinding head 25, movable plate 20 makes movable plate 20 and the welded position on the straight seam welded tube surface correspond, and the fastening screw 21 is rotated and is fixed movable plate 20's position, start electric telescopic handle one 23 and drive slide 22's height and adjust, make grinding head 25 be located the side of straight seam welded tube, start electric telescopic handle two 24 and drive grinding head 25 and remove, make the surface of grinding head 25 and the welded joint on the straight seam welded tube laminate mutually.

According to the working principle, when the device is used, according to the pipe diameter of the straight welded pipe, the internal thread rotating handle 5 is rotated to enable the thread column 4 to move up and down in the straight welded pipe, the height of the top supporting plate 3 is driven to be adjusted, meanwhile, as the top end of the top plate 8 is in sliding clamping connection with the clamping frame 9, when the bottom end of the fender 6 is changed along with the height of the top supporting plate 3, the included angle between the top supporting plate 3 and the fender 6 is changed, and then the height of the auxiliary rotating wheel 7 is driven to be adjusted, so that the auxiliary rotating wheel 7 is convenient for supporting the straight welded pipes with different pipe diameters, the position of the end frame 11 can be adjusted according to the length of the end frame 11, the position of the end frame 11 on the upper surface of the mounting table 1 can be fixed by utilizing the first nut 12, after the second nut 16 is unscrewed, the position of the inner block 15 on two sides of the locking plate 14 can be adjusted, the side surface of the inner block 15 is abutted against the inner wall of the straight welded pipe, and then the threaded hand lever 19 can drive the sliding blocks 18 to move in grooves on two sides of the lock plate 14, so that the positions of the outer wall blocks 17 move and are matched with the inner blocks 15, the side walls of the straight welded pipe can be clamped, after the motor 13 is started, the lock plate 14 can be driven to move, so that the straight welded pipe can be driven to rotate, the moving plate 20 is moved, the moving plate 20 corresponds to the welding position on the surface of the straight welded pipe, the fastening screw 21 is rotated to fix the position of the moving plate 20, the first electric telescopic rod 23 is started to drive the sliding seat 22 to adjust the height, the grinding head 25 is positioned on the side surface of the straight welded pipe, and finally the second electric telescopic rod 24 is started to drive the grinding head 25 to move, so that the surface of the grinding head 25 is jointed with the welding position on the straight welded pipe, and grinding operation is convenient.

In the description, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, or may be directly connected, or may be indirectly connected through an intermediate medium, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Although embodiments of the present utility model 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The straight welded pipe circular arc grinding device is characterized by comprising a mounting table (1), wherein a slide bar (2) is slidably inserted into the upper surface of the mounting table (1), a jacking plate (3) is fixedly connected to the top end of the slide bar (2), two ends of the jacking plate (3) are rotatably connected with a fender (6), an auxiliary rotating wheel (7) is rotatably connected with the edge of the fender (6), a straight welded pipe is placed on the top end of the fender (6), clamping rails (10) are fixedly connected to the edges of two sides of the mounting table (1), end frames (11) are respectively arranged on two sides of the upper surface of the mounting table (1), a motor (13) is fixedly connected to the top end of each end frame (11), a locking plate (14) is fixedly connected to an output shaft of each motor (13), sliding blocks (18) are fixedly connected to one side surfaces of the sliding grooves on two sides of each locking plate (14), an outer wall block (17) is fixedly connected to one side of each sliding block (17), an inner block (15) is arranged on one side of each outer wall block (17), and one end of each inner block (15) is connected to one end of each sliding groove (16) of each threaded rod is sleeved with one threaded groove (16).

2. The straight welded pipe circular arc grinding device according to claim 1, wherein the lower surface of the mounting table (1) is rotatably connected with an internal thread rotating handle (5), and the internal thread rotating handle (5) is in threaded sleeve connection with the surface of the threaded column (4).

3. The straight welded pipe circular arc grinding device according to claim 1, wherein two sides of the upper surface of the mounting table (1) are fixedly connected with top plates (8), the two top plates (8) are respectively positioned at two sides of the top supporting plate (3), a clamping frame (9) is fixedly connected with the lower surface of the fender (6), and the clamping frame (9) is movably clamped with the top end of the top plate (8).

4. The arc grinding device for the straight welded pipe according to claim 1, wherein two ends of the end frame (11) are respectively in sliding clamping connection with the two clamping rails (10), a threaded rod is fixedly connected to the end head of the end frame (11), and a first nut (12) is sleeved on the surface thread of the threaded rod.

5. The straight welded pipe arc grinding device according to claim 1, wherein threaded hand bars (19) are connected to two sides of the lock plate (14) in a threaded mode, and the ends of the threaded hand bars (19) are connected with the side faces of the sliding blocks (18) in a rotating mode.

6. The straight welded pipe circular arc grinding device according to claim 1, wherein a moving plate (20) is connected in a sliding clamping mode in the clamping rail (10), a fastening screw (21) is connected to the bottom end of the moving plate (20) in a threaded mode, and the inner wall of the end head of the fastening screw (21) is tightly attached to the edge of the lower surface of the mounting table (1).

7. The straight welded pipe circular arc grinding device according to claim 6, wherein a sliding seat (22) is clamped in the moving plate (20), an electric telescopic rod I (23) is fixedly connected to the top end of the moving plate (20), the bottom end of the electric telescopic rod I (23) is fixedly connected with the top end of the sliding seat (22), an electric telescopic rod II (24) is fixedly connected to the side wall of the sliding seat (22), and a grinding head (25) is fixedly connected to the end of the electric telescopic rod II (24).