CN114799653B - Welding seam guide roll for straight welded pipe production line - Google Patents
Welding seam guide roll for straight welded pipe production line Download PDFInfo
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- CN114799653B CN114799653B CN202210744721.8A CN202210744721A CN114799653B CN 114799653 B CN114799653 B CN 114799653B CN 202210744721 A CN202210744721 A CN 202210744721A CN 114799653 B CN114799653 B CN 114799653B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a welding seam guide roller for a straight welded pipe production line, which comprises a bottom plate, a mounting seat and a guide roller, wherein a first servo motor is fixedly connected onto the bottom plate, a transmission shaft is fixedly connected onto the output end of the first servo motor, a rotary table is fixedly connected onto one end, away from the bottom plate, of the transmission shaft, an auxiliary supporting device is arranged between the bottom plate and the rotary table, and a plurality of taking and placing devices are symmetrically and fixedly connected onto the rotary table. The invention has simple operation and convenient use, can replace the guide rollers with different sizes and models according to the processing requirements of the straight welded pipe at any time, and does not need to separately arrange a processing assembly line for each guide roller with different sizes and models compared with the traditional straight welded pipe processing, thereby saving a large amount of cost and capacity waste and saving a large amount of space at the same time.
Description
Technical Field
The invention relates to the technical field of straight welded pipes, in particular to a welding seam guide roller for a straight welded pipe production line.
Background
A straight welded pipe is a pipe obtained by straight welding a steel pipe made of a hot-rolled steel sheet or a cold-rolled steel sheet or a steel strip coil on a welding apparatus. In the production of straight welded pipes, the method of controlling the position of the weld seam mainly includes a forming roll method, a guide roll method, a sizing roll dislocation method and the like. The guide roll method is characterized in that the position of a welding seam of a constant diameter section is controlled by changing the positions of a hole pattern and a rolling center line of a guide roll.
The existing straight welded pipe production line has different effects on the processing of straight welded pipes with different wall thicknesses and different sizes due to the fact that guide rollers with different size models have different effects on the processing of the straight welded pipes with different wall thicknesses, therefore, the existing straight welded pipe production line can set multiple production lines according to different guide rollers in order to meet the processing requirements of the straight welded pipes with different size models and wall thicknesses, and because each production line is not used at the same time, the cost is very high, the capacity is wasted greatly, and a large amount of space can be occupied.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the existing straight welded pipe production line has different effects on the processing of straight welded pipes with different wall thicknesses and different sizes due to the fact that guide rollers with different size models have different effects, therefore, in order to meet the processing requirements of straight welded pipes with different size models and wall thicknesses, a plurality of production lines can be usually set according to different guide rollers, and because each production line is not used at the same time, the cost is very high, the capacity is greatly wasted, and a large amount of space is occupied.
In order to achieve the purpose, the invention adopts the following technical scheme:
a welding line guide roll for a straight welded pipe production line comprises a bottom plate, a mounting seat and a guide roll, wherein a first servo motor is fixedly connected onto the bottom plate, a transmission shaft is fixedly connected onto the output end of the first servo motor, a rotary table is fixedly connected onto one end, away from the bottom plate, of the transmission shaft, an auxiliary supporting device is arranged between the bottom plate and the rotary table, a plurality of taking and placing devices are symmetrically and fixedly connected onto the rotary table, each taking and placing device comprises a plurality of supporting rods fixedly connected onto the rotary table, a guide rod is fixedly connected onto one end of each supporting rod, a sliding rod is connected onto each guide rod in a sliding mode, an empty groove is formed in each sliding rod, each guide rod is connected into the empty groove in a sliding mode, and an upper baffle and a lower baffle are fixedly connected onto each sliding rod respectively;
it is a plurality of be equipped with unified adjusting device between the slide bar, the guide roll is located between a plurality of overhead gauges and the lower baffle, be equipped with the spout in the overhead gauge, sealed sliding connection has the ejector pin in the spout, fixedly connected with support on the bottom plate, the support is kept away from on the lateral wall of bottom plate the symmetry be equipped with two recesses, two equal sliding connection has the slider in the recess, be equipped with the sideslip device on the support, the slider is close to one of bottom plate and serves fixedly connected with limiting plate, the limiting plate is close to fixedly connected with pneumatic cylinder on the lateral wall of bottom plate, fixedly connected with fixing base on the output of pneumatic cylinder, fixedly connected with deflector on the lateral wall of pneumatic cylinder is kept away from to the fixing base, be equipped with centre gripping fixing device in the fixing base.
Preferably, the auxiliary supporting device comprises two supporting columns which are symmetrically and fixedly connected to the bottom plate, a limiting groove is formed in one side wall, away from the bottom plate, of each supporting column, a rotating ring is fixedly connected to one side wall, close to the bottom plate, of the rotating disc, and the rotating ring is rotatably connected to the two limiting grooves.
Preferably, unified adjusting device includes electronic jar, electronic jar fixed connection is on the carousel, fixedly connected with connecting rod on electronic jar's the output, equal fixedly connected with connecting pipe in the both ends of connecting rod, fixedly connected with dead lever on the lateral wall of slide bar, dead lever sliding connection is in the connecting pipe.
Preferably, the sideslip device includes fixed block of fixed connection on the support, two switching pipes of symmetry fixedly connected with on the lateral wall of fixed block, two second servo motor of symmetry fixedly connected with on the support, two equal fixedly connected with screw spindle on second servo motor's the output, the one end of screw spindle is rotated and is connected in the switching pipe, be equipped with the thread groove in the slider, screw spindle threaded connection is in the thread groove.
Preferably, a sliding groove is formed in the upper baffle, and a push rod is connected in the sliding groove in a sealing and sliding mode.
Preferably, centre gripping fixing device is including setting up the biax output motor in the fixing base, equal fixedly connected with threaded rod on two output of biax output motor, threaded connection has the screwed pipe on the threaded rod, the screwed pipe is kept away from one of fixing base and is served fixedly connected with curb plate, the curb plate is close to fixedly connected with splint on the lateral wall of fixing base, the deflector is located between two splint, the guide roll is installed on the mount pad, all be equipped with the locating hole in the both ends of mount pad, be on the lateral wall of screwed pipe equidistant symmetry fixedly connected with a plurality of reference columns that are the matching setting with the locating hole.
Preferably, one end, far away from the side plate, of the positioning column is arranged in a curved surface mode, and the positioning column is made of stainless steel.
Preferably, the upper baffle plate is perpendicular to the rotary table, the included angle between the lower baffle plate and the upper baffle plate is an obtuse angle, and the guide rod is located on an angle bisector of the included angle between the upper baffle plate and the lower baffle plate.
The beneficial effects of the invention are:
1. the invention has simple operation and convenient use, can replace the guide rollers with different sizes and models at any time according to the processing requirements of the straight welded pipe, and does not need to separately arrange a processing assembly line for each guide roller with different sizes and models compared with the traditional straight welded pipe processing, thereby saving a large amount of cost and capacity waste and saving a large amount of space at the same time.
2. Put the guide roll and put the overhead gage on the device and put the back between the baffle down, start two threaded rods of biax output motor drive and rotate, drive two screwed pipes and order about two curb plates and keep away from each other, the reference column breaks away from in the locating hole on the mount pad, the guide roll falls to get and puts between the overhead gage of device and the baffle down, then the control pneumatic cylinder extension, with the fixing base lifting, start the electronic jar extension of putting on the device of putting of just putting the guide roll after that, thereby drive the overhead gage and shift up together down the baffle, lift the guide roll and the centre gripping is fixed between overhead gage and lower baffle, because the lateral wall of guide roll is the curved surface setting, consequently can correct the guide roll to getting the centre of putting the device automatically.
3. When the guide roll is placed on a taking and placing device, because the direction of the guide rod is consistent with the angle bisector of an included angle between the upper baffle and the lower baffle, and the upper baffle is tangent with the contact mode between the lower baffle and the guide roll, therefore, according to the mathematical geometry common knowledge, the guide roll with different sizes can be known, after the guide roll is placed on the taking and placing device, the height of the central shaft of the guide roll is kept consistent, the set advantage lies in that even if the guide roll with different sizes is replaced, after the hydraulic cylinder extends for the same stroke, the height of the central shaft of the guide roll is unchanged, and therefore, the height of the rolling line can be adjusted conveniently according to the roll diameter of the guide roll.
Drawings
FIG. 1 is a schematic structural view of a weld guiding roller for a straight welded pipe production line according to the present invention;
FIG. 2 is a schematic structural view of a bracket of a welding guide roller for a straight welded pipe production line according to the present invention;
FIG. 3 is a schematic structural view of a swivel of a welding guide roll for a straight welded pipe production line according to the present invention;
FIG. 4 is a schematic structural diagram of a guiding roller placed on a device for taking and placing a welding guiding roller for a straight welded pipe production line according to the present invention;
FIG. 5 is a right side view of the device for picking and placing the welding guiding roller for the straight welded pipe production line according to the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic structural view of a fixing seat of a welding guide roller for a straight welded pipe production line according to the present invention;
FIG. 8 is a schematic structural view of a side plate of a weld guide roll for a straight welded pipe manufacturing line according to the present invention.
In the figure: the device comprises a base plate 1, a first servo motor 2, a transmission shaft 3, a rotary table 4, a support column 5, a limit groove 6, a rotary ring 7, a support rod 8, a guide rod 9, a slide rod 10, a hollow groove 11, an upper baffle 12, a lower baffle 13, an electric cylinder 14, a connecting rod 15, a connecting pipe 16, a fixing rod 17, a sliding groove 18, a push rod 19, a support 20, a groove 21, a fixing block 22, a switching pipe 23, a second servo motor 24, a threaded shaft 25, a sliding block 26, a threaded groove 27, a limit plate 28, a hydraulic cylinder 29, a fixing seat 30, a guide plate 31, a double-shaft output motor 32, a threaded rod 33, a threaded pipe 34, a side plate 35, a clamping plate 36, a positioning column 37, a mounting seat 38 and a guide roller 39.
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.
Referring to fig. 1-8, a straight welded pipe is welding seam guide roll for production line, comprising a base plate 1, mount pad 38 and guide roll 39, the first servo motor 2 of fixedly connected with on the bottom plate 1, fixedly connected with transmission shaft 3 on the output of first servo motor 2, transmission shaft 3 keeps away from one of bottom plate 1 and serves fixedly connected with carousel 4, be equipped with auxiliary stay device between bottom plate 1 and the carousel 4, auxiliary stay device includes two support columns 5, two support columns 5 are symmetry fixed connection on bottom plate 1, support column 5 is kept away from and is equipped with spacing groove 6 on a lateral wall of bottom plate 1, fixedly connected with swivel 7 on a lateral wall that carousel 4 is close to bottom plate 1, swivel 7 rotates and connects in two spacing grooves 6.
A plurality of devices of getting of symmetry fixedly connected with are put on carousel 4, get and put the bracing piece 8 of device including a plurality of fixed connection on carousel 4, one of bracing piece 8 serves fixedly connected with guide bar 9, sliding connection has slide bar 10 on the guide bar 9, be equipped with dead slot 11 in the slide bar 10, guide bar 9 sliding connection is in dead slot 11, respectively fixedly connected with overhead gage 12 and lower baffle 13 on the slide bar 10, overhead gage 12 sets up perpendicular carousel 4, the contained angle is the obtuse angle setting between lower baffle 13 and the overhead gage 12, guide bar 9 is located the angular bisector of contained angle between overhead gage 12 and the lower baffle 13.
Be equipped with unified adjusting device between a plurality of slide bars 10, unified adjusting device includes electronic jar 14, electronic jar 14 fixed connection is on carousel 4, fixedly connected with connecting rod 15 on the output of electronic jar 14, equal fixedly connected with connecting pipe 16 in the both ends of connecting rod 15, fixedly connected with dead lever 17 on the lateral wall of slide bar 10, dead lever 17 sliding connection is in connecting pipe 16, guide roll 39 is located between a plurality of overhead fenders 12 and lower fender 13, be equipped with spout 18 in the overhead fenders 12, sealed sliding connection has ejector pin 19 in the spout 18, ejector pin 19 is held on mount pad 38 in the top under the atmospheric pressure effect, make it keep the level, be convenient for press from both sides and get the change, fixedly connected with support 20 on the bottom plate 1, the symmetry is equipped with two recesses 21 on the lateral wall that bottom plate 1 was kept away from to support 20, equal sliding connection has slider 26 in two recesses 21.
Be equipped with the sideslip device on the support 20, the sideslip device includes fixed block 22 of fixed connection on support 20, two switching pipes 23 of symmetry fixedly connected with on the lateral wall of fixed block 22, two second servo motor 24 of symmetry fixedly connected with on the support 20, equal fixedly connected with screw shaft 25 on two second servo motor 24's the output, the one end of screw shaft 25 is rotated and is connected in switching pipe 23, be equipped with thread groove 27 in the slider 26, screw shaft 25 threaded connection is in thread groove 27, slider 26 is close to one of bottom plate 1 and serves fixedly connected with limiting plate 28, fixedly connected with pneumatic cylinder 29 on the lateral wall that limiting plate 28 is close to bottom plate 1.
The output end of the hydraulic cylinder 29 is fixedly connected with a fixed seat 30, one side wall of the fixed seat 30 far away from the hydraulic cylinder 29 is fixedly connected with a guide plate 31, a clamping and fixing device is arranged in the fixed seat 30 and comprises a double-shaft output motor 32 arranged in the fixed seat 30, two output ends of the double-shaft output motor 32 are both fixedly connected with a threaded rod 33, the threaded rod 33 is in threaded connection with a threaded pipe 34, one end of the threaded pipe 34 far away from the fixed seat 30 is fixedly connected with a side plate 35, one side wall of the side plate 35 close to the fixed seat 30 is fixedly connected with a clamping plate 36, the guide plate 31 is positioned between the two clamping plates 36, a guide roller 39 is arranged on a mounting seat 38, positioning holes are arranged in both ends of the mounting seat 38, a plurality of positioning columns 37 matched with the positioning holes are symmetrically and fixedly connected with one side wall of the threaded pipe 34 at equal intervals, one end of the positioning columns 37 far away from the side plate 35 is arranged in a curved surface, the positioning post 37 is made of stainless steel, and the positioning post 37 can adjust the working height of the guide roller 39 as required by machining in cooperation with the hydraulic cylinder 29.
When the welding device is used, when welding operation of straight welded pipes with different sizes is required, different guide rollers 39 are required to be replaced, at the moment, the first servo motor 2 is started, the output end of the first servo motor 2 drives the rotary table 4 to rotate through the transmission shaft 3, the empty pick-and-place device is rotated to the fixed seat 30 of the guide roller 39 to be replaced, then the output end of the hydraulic cylinder 29 is controlled to be shortened, the guide roller 39 below the fixed seat 30 is lifted to a certain height through the fixed seat 30, then the second servo motor 24 is started, the output end of the second servo motor 24 drives the sliding block 26 to slide along the groove 21 through the threaded shaft 25, so that the fixed seat 30 is driven to transversely move right above the empty pick-and-place device, and then the output end of the hydraulic cylinder 29 is controlled to extend until the guide roller 39 below the fixed seat falls between the upper baffle 12 and the lower baffle 13 on the pick-and-place device;
then starting a double-shaft output motor 32 to drive two threaded rods 33 to rotate, driving two threaded pipes 34 to drive two side plates 35 to be away from each other, separating a positioning column 37 from a positioning hole in a mounting seat 38, enabling a guide roller 39 to fall between an upper baffle plate 12 and a lower baffle plate 13 of the pick-and-place device, then controlling a hydraulic cylinder 29 to extend, lifting a fixed seat 30, starting an electric cylinder 14 on the pick-and-place device on which the guide roller 39 is just placed to extend, so as to drive the upper baffle plate 12 and the lower baffle plate 13 to move upwards together, lifting and clamping the guide roller 39 between the upper baffle plate 12 and the lower baffle plate 13, and automatically correcting the guide roller 39 to the middle of the pick-and-place device due to the fact that the side wall of the guide roller 39 is arranged in a curved surface;
then, the first servo motor 2 is started, the pick-and-place device with the guide roller 39 to be replaced is rotated to a position right below the fixed seat 30, then the hydraulic cylinder 29 is controlled to extend, then the double-shaft output motor 32 is started to drive the two threaded rods 33 to rotate reversely, the two side plates 35 are driven to approach each other, the mounting seat 38 is clamped and fixed between the two side plates 35 by using the positioning columns 37, then the hydraulic cylinder 29 and the second servo motor 24 are controlled to drive the fixed seat to reset to an initial position, the guide roller 39 is quickly replaced, the operation is simple, the use is convenient, the guide rollers 39 with different sizes and models can be replaced at any time according to the processing requirements of straight welded pipes, and an assembly line does not need to be arranged on each guide roller 39, so that a large amount of cost and waste of productivity can be saved, and a large amount of space can be saved;
and when the guide roller 39 is placed on the taking and placing device, because the direction of the guide rod 9 is consistent with the angle bisector of the included angle between the upper baffle 12 and the lower baffle 13, and the contact mode between the upper baffle 12 and the lower baffle 13 and the guide roller 39 is tangent, according to the common knowledge of mathematical geometry, the height of the central axis of the guide roller 39 is kept consistent after the guide roller 39 with different sizes is placed on the taking and placing device, so that the arrangement has the advantages that even if the guide roller 39 with different sizes is replaced, the height of the central axis of the guide roller 39 is not changed after the hydraulic cylinder 29 extends for the same stroke, and the height of the rolling line is conveniently adjusted according to the roller diameter of the guide roller 39.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The welding line guide roll for the straight welded pipe production line comprises a bottom plate (1), a mounting seat (38) and a guide roll (39), and is characterized in that a first servo motor (2) is fixedly connected onto the bottom plate (1), a transmission shaft (3) is fixedly connected onto the output end of the first servo motor (2), one end of the transmission shaft (3) far away from the bottom plate (1) is fixedly connected with a turntable (4), an auxiliary supporting device is arranged between the bottom plate (1) and the turntable (4), a plurality of taking and placing devices are symmetrically and fixedly connected onto the turntable (4), each taking and placing device comprises a plurality of supporting rods (8) fixedly connected onto the turntable (4), one end of each supporting rod (8) is fixedly connected with a guide rod (9), a sliding rod (10) is connected onto the guide rod (9), and an empty groove (11) is formed in the sliding rod (10), the guide rod (9) is connected in the empty groove (11) in a sliding manner, and the sliding rod (10) is fixedly connected with an upper baffle (12) and a lower baffle (13) respectively;
a unified adjusting device is arranged among the sliding rods (10), the guide roller (39) is positioned between the upper baffles (12) and the lower baffles (13), the bottom plate (1) is fixedly connected with a bracket (20), one side wall of the bracket (20) far away from the bottom plate (1) is symmetrically provided with two grooves (21), the two grooves (21) are both connected with a slide block (26) in a sliding way, a transverse moving device is arranged on the bracket (20), a limit plate (28) is fixedly connected to one end of the sliding block (26) close to the bottom plate (1), a hydraulic cylinder (29) is fixedly connected on one side wall of the limit plate (28) close to the bottom plate (1), the output end of the hydraulic cylinder (29) is fixedly connected with a fixed seat (30), the guide plate (31) is fixedly connected to one side wall, away from the hydraulic cylinder (29), of the fixing seat (30), and a clamping and fixing device is arranged in the fixing seat (30).
2. The welding guide roll for the straight welded pipe production line according to claim 1, wherein the auxiliary supporting device comprises two supporting columns (5), the two supporting columns (5) are symmetrically and fixedly connected to the bottom plate (1), a limiting groove (6) is formed in one side wall, away from the bottom plate (1), of each supporting column (5), a rotating ring (7) is fixedly connected to one side wall, close to the bottom plate (1), of the rotating disc (4), and the rotating ring (7) is rotatably connected to the two limiting grooves (6).
3. The welding guide roll for the straight welded pipe production line according to claim 1, characterized in that the unified adjusting device comprises an electric cylinder (14), the electric cylinder (14) is fixedly connected to the turntable (4), a connecting rod (15) is fixedly connected to an output end of the electric cylinder (14), connecting pipes (16) are fixedly connected to both ends of the connecting rod (15), a fixing rod (17) is fixedly connected to an outer side wall of the sliding rod (10), and the fixing rod (17) is slidably connected to the connecting pipes (16).
4. The welding guide roll for the straight welded pipe production line as claimed in claim 1, wherein the transverse moving device comprises a fixing block (22) fixedly connected to a support (20), two adapter pipes (23) are symmetrically and fixedly connected to the outer side wall of the fixing block (22), two second servo motors (24) are symmetrically and fixedly connected to the support (20), threaded shafts (25) are fixedly connected to the output ends of the two second servo motors (24), one end of each threaded shaft (25) is rotatably connected to the corresponding adapter pipe (23), threaded grooves (27) are formed in sliding blocks (26), and the threaded shafts (25) are in threaded connection with the threaded grooves (27).
5. The welding guide roll for the straight welded pipe production line according to claim 1, characterized in that a chute (18) is arranged in the upper baffle plate (12), and a push rod (19) is connected in the chute (18) in a sealing and sliding manner.
6. The weld guide roll for a straight welded pipe production line according to claim 1, the clamping and fixing device comprises a double-shaft output motor (32) arranged in a fixing seat (30), two output ends of the double-shaft output motor (32) are fixedly connected with threaded rods (33), a threaded pipe (34) is connected to the threaded rod (33) in a threaded manner, a side plate (35) is fixedly connected to one end, far away from the fixed seat (30), of the threaded pipe (34), a clamping plate (36) is fixedly connected on one side wall of the side plate (35) close to the fixed seat (30), the guide plate (31) is positioned between two clamping plates (36), the guide roller (39) is arranged on a mounting seat (38), locating holes are formed in two ends of the mounting seat (38), and a plurality of locating columns (37) which are matched with the locating holes are symmetrically and fixedly connected to one side wall of the threaded pipe (34) at equal intervals.
7. The welding guide roll for the straight welded pipe production line according to claim 6, characterized in that one end of the positioning column (37) far away from the side plate (35) is curved, and the positioning column (37) is made of stainless steel.
8. The welding guide roll for the straight welded pipe production line according to claim 1, characterized in that the upper baffle (12) is arranged perpendicular to the rotary table (4), the included angle between the lower baffle (13) and the upper baffle (12) is arranged in an obtuse angle, and the guide rod (9) is positioned on the angular bisector of the included angle between the upper baffle (12) and the lower baffle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210744721.8A CN114799653B (en) | 2022-06-29 | 2022-06-29 | Welding seam guide roll for straight welded pipe production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210744721.8A CN114799653B (en) | 2022-06-29 | 2022-06-29 | Welding seam guide roll for straight welded pipe production line |
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| Publication Number | Publication Date |
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| CN114799653A CN114799653A (en) | 2022-07-29 |
| CN114799653B true CN114799653B (en) | 2022-09-02 |
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| CN202210744721.8A Active CN114799653B (en) | 2022-06-29 | 2022-06-29 | Welding seam guide roll for straight welded pipe production line |
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| CN116944643B (en) * | 2023-07-12 | 2024-02-23 | 河北长丰钢管制造集团有限公司 | High-frequency straight welded pipe weld joint guiding equipment |
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| CN114535306A (en) * | 2022-03-22 | 2022-05-27 | 重庆钢铁股份有限公司 | Method for quickly replacing upper supporting roll of hot continuous rolling mill |
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