CN211588784U - Steel pipe scraping and welding machine - Google Patents

Steel pipe scraping and welding machine Download PDF

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Publication number
CN211588784U
CN211588784U CN201922484125.7U CN201922484125U CN211588784U CN 211588784 U CN211588784 U CN 211588784U CN 201922484125 U CN201922484125 U CN 201922484125U CN 211588784 U CN211588784 U CN 211588784U
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China
Prior art keywords
shaft
steel pipe
scraper
head seat
welding machine
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Active
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CN201922484125.7U
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Chinese (zh)
Inventor
赵建华
胡晓斐
边叶森
张海勇
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Hebei Tupai Electromechanical Equipment Co ltd
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Hebei Tupai Electromechanical Equipment Co ltd
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Publication of CN211588784U publication Critical patent/CN211588784U/en
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Abstract

The utility model provides a steel pipe scraping and welding machine, which relates to the technical field of steel pipe processing equipment and comprises a frame, a welding head seat, a first shaft, a second shaft and a scraper component; at least two groups of bearing wheel sets are arranged on the side part of the frame; the welding head seat is arranged on the frame; one end of the first shaft is connected with a rotary driving piece connected with the welding head seat, the other end of the first shaft is provided with a cam assembly, and the welding head seat is provided with a limiting sleeve; the periphery of the second shaft is provided with a boss abutted against the cam component. The utility model provides a welding machine is scraped to steel pipe, when needing to promote the scraper subassembly, utilize and rotate the driving piece and drive the rotation of primary shaft, and then drive the cam subassembly and rotate on the boss, make the cam subassembly rotate to less radius position and boss contact, under elastic element pushes away the effect to the ascending top of secondary shaft, the whereabouts of the scraper subassembly of final drive secondary shaft lower extreme or rise, realize shutting down or overhauing the separation of scraper subassembly and steel pipe under the abnormal conditions, avoid the steel pipe surface to take place unexpected damage.

Description

Steel pipe scraping and welding machine
Technical Field
The utility model belongs to the technical field of steel pipe machining equipment, more specifically say, relate to a welding machine is scraped to steel pipe.
Background
In the field of existing steel pipe manufacturing, a straight welded pipe has been a conventional product with a large production capacity. The longitudinal welded pipe can be used as a fluid pipe, a wire sleeve and a support pipe. The straight welded pipe is obtained by first forming a pipe by rolling a hot-rolled or cold-rolled steel sheet or steel strip and then subjecting the pipe to straight welding in a welding apparatus. The welding position of the steel pipe is provided with a straight welding line, and after welding is finished, the normal use of the steel pipe is affected due to the unevenness of the welding line, so that the welding line needs to be polished to be smooth. The existing welding machine for scraping is used for providing enough downward pressure for the scraper to realize scraping of a welding seam, the scraper seat is driven to move up and down by adopting driving pieces such as a lead screw and the like, the action process efficiency is low, the moving precision is low, the scraper is difficult to realize quick separation from the surface of a steel pipe when in maintenance or shutdown, the surface of the steel pipe is easily damaged, and the scraping quality of the welding seam of the steel pipe is not favorably ensured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a welding machine is scraped to steel pipe to solve the steel pipe welding seam that exists among the prior art and scrape the technical problem that the in-process scraper elevating speed is slow, be difficult to guarantee the steel pipe quality.
In order to achieve the above object, the utility model adopts the following technical scheme: the steel pipe scraping and welding machine comprises a rack, a welding head seat, a first shaft, a second shaft and a scraper assembly; at least two groups of bearing wheel sets for bearing the steel pipes are arranged on the front side of the frame; the welding head seat is arranged on the front side of the rack; the first shaft is arranged along the direction vertical to the front-back direction, one end of the first shaft is connected with a rotary driving piece, the other end of the first shaft is provided with a cam assembly, and the welding head seat is provided with a limiting sleeve for limiting the first shaft; the periphery of the second shaft is provided with a boss of which the top surface is used for abutting against the cam component, and the welding head seat is provided with an elastic element which is sleeved on the periphery of the second shaft and used for upwards supporting the second shaft; the scraper component is arranged at the lower end of the second shaft and is used for contacting the periphery of the steel pipe.
As another embodiment of the present application, the rotary driving member includes a cylinder, a first connecting plate, and a second connecting plate; the fixed end of the cylinder is hinged with the welding head seat; one end of the first connecting plate is rotatably connected with the output end of the air cylinder, and the other end of the first connecting plate is connected with the first shaft; one end of the second connecting plate is connected with the first shaft, and the other end of the second connecting plate is rotatably connected with the welding head seat.
As another embodiment of the present application, a cam assembly includes two cams and a connecting block; the plate surfaces of the two cams are vertical to the axial direction of the first shaft, the two cams are respectively positioned at two sides of the second shaft, and one of the cams is connected with the end part of the first shaft; the connecting block is arranged between the two cams and is used for connecting the two cams.
As another embodiment of the present application, the outer periphery of the cam is provided with a first plane for abutting against the top surface of the boss and a second plane for abutting against the top surface of the boss, and a distance from the first plane to the axis of the first shaft is smaller than a distance from the second plane to the axis of the first shaft.
As another embodiment of the present application, a doctor assembly includes a doctor blade holder and a doctor blade; the scraper seat is connected to the lower end of the second shaft; the scraper can be detachably connected to one side of the scraper seat, and the lower end of the scraper is provided with a cutter head which is used for being in contact with the steel pipe in a matched mode.
As another embodiment of the present application, the solder head seat is further provided with a matching block extending in the vertical direction, and the scraper seat is provided with a matching groove for sliding matching with the matching block.
As another embodiment of the present application, a first limiting cylinder located at the periphery of the second shaft and used for accommodating the elastic element is further fixedly arranged on the welding head seat, the bottom surface of the first limiting cylinder abuts against the lower end of the elastic element, the upper end of the second shaft is provided with a second limiting cylinder with a downward opening and sleeved at the periphery of the second shaft, and the inner top surface of the second limiting cylinder abuts against the upper end of the elastic element; the outer diameter of the second limiting cylinder.
As another embodiment of the application, the top of the rack is further provided with a motor, a worm wheel connected with an output shaft of the motor, and a worm meshed with the worm wheel, the worm is arranged along the up-down direction, and the lower end of the worm is connected with the welding head seat.
As another embodiment of the present application, the supporting wheel set includes a base, an eccentric shaft, and a wheel body; the base is arranged on one side of the rack and is positioned below the welding head seat; the eccentric shaft is rotationally connected to the base along the front-back direction; the wheel body is sleeved on the outer side of the eccentric shaft and is rotationally connected with the eccentric shaft; a locking piece is arranged between the eccentric shaft and the base.
As another embodiment of the present application, two sets of bearing wheel sets are provided, and a bearing is provided between the eccentric shaft and the wheel body 630.
The utility model provides a welding machine is scraped to steel pipe's beneficial effect lies in: compared with the prior art, the steel pipe scraping and welding machine provided by the utility model utilizes the smaller radius part of the cam component to contact with the boss when the scraper component works normally; when the scraper component needs to be lifted, the rotary driving piece is utilized to drive the first shaft to rotate, and then the cam component is driven to rotate on the boss, so that the cam component rotates to a position with a smaller radius to be contacted with the boss, and under the pushing action of the elastic element on the second shaft, the falling or rising of the scraper component at the lower end of the second shaft is finally driven, the separation of the scraper component and the steel pipe under abnormal conditions such as shutdown or maintenance is realized, and the accidental damage of the outer surface of the steel pipe is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic left-view partial sectional structural view of a steel pipe scraping and welding machine provided in an embodiment of the present invention;
fig. 2 is a schematic view of a partial cross-sectional structure of a steel pipe scraping and welding machine in a front view in a use state provided by an embodiment of the present invention;
FIG. 3 is an enlarged partial sectional view of section I in FIG. 1;
FIG. 4 is a schematic view of another state of FIG. 3;
FIG. 5 is an enlarged partial sectional view of II in FIG. 1;
FIG. 6 is an enlarged partial sectional view of III in FIG. 2;
FIG. 7 is a front view of the second shaft of FIG. 1;
3 FIG. 3 8 3 is 3 a 3 schematic 3 view 3 of 3 a 3 portion 3 of 3 A 3- 3 A 3 of 3 FIG. 31 3 in 3 cross 3- 3 section 3; 3
FIG. 9 is a schematic top view of the cam assembly and first shaft of FIG. 1;
fig. 10 is a partial sectional structural view in right view of fig. 9.
Wherein, in the figures, the respective reference numerals:
100. a frame; 200. a solder head seat; 210. a limiting sleeve; 220. a matching block; 300. a first shaft; 310. rotating the driving member; 311. a cylinder; 312. a first connecting plate; 313. a second connecting plate; 320. a cam assembly; 321. a cam; 322. connecting blocks; 323. a first plane; 324. a second plane; 400. a second shaft; 410. a boss; 430. an elastic element; 440. a first limiting cylinder; 450. a second limiting cylinder; 500. a scraper assembly; 510. a scraper seat; 520. a scraper; 530. a mating groove; 600. a bearing wheel set; 610. a base; 620. an eccentric shaft; 630. a wheel body; 640. a locking member; 650. a bearing; 710. a motor; 720. a worm gear; 730. a worm; 800. and (5) steel pipes.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 10 together, a steel pipe scraping and welding machine according to the present invention will now be described. The steel pipe scraping and welding machine comprises a machine frame 100, a welding head seat 200, a first shaft 300, a second shaft 400 and a scraper component 500; at least two groups of supporting wheel sets 600 for supporting the steel pipe 800 are arranged on the front side of the frame 100; the solder head seat 200 is disposed at the front side of the rack 100; the first shaft 300 is arranged along a direction perpendicular to the front-back direction, one end of the first shaft 300 is connected with a rotary driving piece 310, the other end of the first shaft 300 is provided with a cam component 320, and the welding head seat 200 is provided with a limiting sleeve 210 for limiting the first shaft 300; a boss 410 with a top surface for abutting against the cam assembly 320 is arranged on the periphery of the second shaft 400, and an elastic element 430 which is sleeved on the periphery of the second shaft 400 and is used for upwards supporting the second shaft 400 is arranged on the solder holder 200; the scraper assembly 500 is provided at the lower end of the second shaft 400 and is used to contact the outer circumference of the steel pipe 800. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Compared with the prior art, the steel pipe scraping and welding machine provided by the utility model has the advantages that when the scraper component 500 normally works, the smaller radius part of the cam component 320 is contacted with the boss 410; when the scraper assembly 500 needs to be lifted, the rotary driving member 310 is utilized to drive the first shaft 300 to rotate, and further drive the cam assembly 320 to rotate on the boss 410, so that the cam assembly 320 rotates to a position with a smaller radius to be in contact with the boss 410, and under the upward pushing action of the elastic element 430 on the second shaft 400, the scraper assembly 500 at the lower end of the second shaft 400 is finally driven to fall or rise, so that the scraper assembly 500 is separated from the steel pipe 800 under abnormal conditions such as shutdown or maintenance, and the outer surface of the steel pipe 800 is prevented from being accidentally damaged.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the rotation driving member 310 includes a cylinder 311, a first connecting plate 312 and a second connecting plate 313; the fixed end of the cylinder 311 is hinged with the solder head seat 200; one end of the first connection plate 312 is rotatably connected to the output end of the cylinder 311, and the other end is connected to the first shaft 300; one end of the second connecting plate 313 is connected to the first shaft 300, and the other end is rotatably connected to the pad holder 200. In this embodiment, the first connecting plate 312 and the second connecting plate 313 are connected to the first shaft 300 by flat keys, respectively, so as to drive the first shaft 300 to rotate circumferentially. The limiting sleeve 210 disposed on the solder head seat 200 is sleeved on one end of the first shaft 300 far away from the first connecting plate 312, and can effectively limit the horizontal position and the longitudinal position of the first shaft 300. Under the driving action of the cylinder 311, the first connecting plate 312 rotates around the axis of the first shaft 300, and drives the first shaft 300 to rotate in the circumferential direction. The first shaft 300 is abutted against the boss 410 of the second shaft 400 by the cam member 320 provided at the outer end of the stop collar 210, and the vertical position of the second shaft 400 is adjusted.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 2, and fig. 9 to fig. 10, the cam assembly 320 includes two cams 321 and a connecting block 322; the plate surfaces of the two cams 321 are perpendicular to the axial direction of the first shaft 300, the two cams 321 are respectively positioned at two sides of the second shaft 400, and one of the cams 321 is connected with the end part of the first shaft 300; the connecting block 322 is disposed between the two cams 321 and is used for connecting the two cams 321. The cam assembly 320 is used for abutting against a boss 410 of the second shaft 400, and an elastic element 430 fixedly connected with the solder cup seat 200 is sleeved on the periphery of the second shaft 400 and used for realizing the upward supporting effect on the second shaft 400. When the cam assembly 320 rotates to move the boss 410 downward, the elastic element 430 is compressed, and when the cam assembly 320 rotates to move the boss 410 upward, the second shaft 400 has a tendency to move upward under the action of the elastic element 430, so that the second shaft 400 drives the scraper assembly 500 below to move upward.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 2, and fig. 9 to fig. 10, a first plane 323 for abutting against the top surface of the boss 410 and a second plane 324 for abutting against the top surface of the boss 410 are disposed on the periphery of the cam 321, and a distance from the first plane 323 to the axis of the first shaft 300 is smaller than a distance from the second plane 324 to the axis of the first shaft 300. In this embodiment, the outer periphery of the cam 321 has two mutually perpendicular planes, namely a first plane 323 and a second plane 324, and an arc transition is adopted between the first plane 323 and the second plane 324. The first plane 323 and the second plane 324 are provided in a planar form, which can ensure the stability of the cam 321 in the process of abutting against the boss 410, reduce the strength of the cylinder 311 and the first connection plate 312, and further reduce the equipment loss.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the scraper assembly 500 includes a scraper seat 510 and a scraper 520; the scraper seat 510 is connected to the lower end of the second shaft 400; the scraper 520 is detachably connected to one side of the scraper seat 510, and a cutter head for contacting and matching with the steel pipe 800 is arranged at the lower end. The scraper 520 and the scraper seat 510 are detachably connected to facilitate replacement of the scraper 520. The lower end of the scraper 520 is used for contacting with the welding seam of the steel pipe 800 and scraping the welding seam on the surface of the steel pipe 800, so that the quality of the steel pipe 800 is effectively ensured.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and 8, the solder head seat 200 is further provided with a matching block 220 extending along the up-down direction, and the scraper seat 510 is provided with a matching groove 530 for sliding matching with the matching block 220. The rotation of the first shaft 300 is utilized to drive the cam assembly 320 to rotate, the up-and-down movement of the second shaft 400 is realized by combining the abutting action of the cam assembly 320 and the boss 410, in order to ensure the stability of the second shaft 400 in the up-and-down direction in the moving process, a matching groove 530 and a matching block 220 which are arranged in the up-and-down direction are also arranged between the welding head seat 200 and the scraper seat 510, and the matching groove 530 is in a dovetail groove form, so that the longitudinal straightness in the sliding matching process can be ensured, and the smoothness of the up-and-down movement.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 2 and fig. 6, the solder cup seat 200 is further fixedly provided with a first limiting cylinder 440 located at the periphery of the second shaft 400 and used for accommodating the elastic element 430, a bottom surface of the first limiting cylinder 440 abuts against a lower end of the elastic element 430, an upper end of the second shaft 400 is provided with a second limiting cylinder 450 having a downward opening and sleeved at the periphery of the second shaft 400, and an inner top surface of the second limiting cylinder 450 abuts against an upper end of the elastic element 430; the inner diameter of the second limiting cylinder 450 is larger than the outer diameter of the second limiting cylinder 450. The effective support of elastic element 430 is realized through the bottom surface to first spacing section of thick bamboo 440, and the upper end at second axle 400 is locked through the locking bolt to the spacing section of thick bamboo 450 of second, can utilize interior top surface to realize the butt with elastic element 430, realizes that elastic element 430 props the effect to the ascending top of second axle 400. When the cam assembly 320 rotates until the first plane 323 abuts against the boss 410, the second shaft 400 moves up under the action of the elastic element 430 to realize quick separation of the scraper assembly 500 from the steel pipe 800, and the lifting speed of the scraper assembly 500 is improved.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to fig. 2, the top of the rack 100 is further provided with a motor 710, a worm wheel 720 connected to an output shaft of the motor 710, and a worm 730 engaged with the worm wheel 720, the worm 730 is disposed along the vertical direction, and the lower end of the worm 730 is connected to the solder cup seat 200. In this embodiment, to the steel pipe 800 specification of different external diameters, need adjust solder cup 200 to different heights, this altitude mixture control generally goes on to a batch of product, so adopt motor 710 to drive worm wheel 720 and rotate, and then utilize worm wheel 720 to drive worm 730 and reciprocate, realize the lift of solder cup 200, can guarantee the height adjustability of the position of solder cup 200, the drive mode of worm wheel 720 worm 730 has the stable characteristic of transmission simultaneously, can guarantee that scraper assembly 500 of solder cup 200 below can bear the ascending reaction force of steel pipe 800 surface welding seam to scraper assembly 500 production scraping the flat in-process, stable effect of scraping has.
As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and 5, the supporting wheel set 600 includes a base 610, an eccentric shaft 620 and a wheel body 630; the base 610 is disposed at one side of the rack 100 and below the solder head seat 200; the eccentric shaft 620 is rotatably connected to the base 610 in the front and rear directions; the wheel body 630 is sleeved outside the eccentric shaft 620 and is rotatably connected with the eccentric shaft 620; a locking member 640 is arranged between the eccentric shaft 620 and the base 610. Two sets of supporting wheel sets 600 are provided, and a bearing 650 is provided between the eccentric shaft 620 and the wheel body 630. The bearing components are arranged into two groups and used for supporting the steel pipe 800 in the axial direction of the steel pipe 800. In this embodiment, the wheel body 630 may be provided with a V-shaped accommodating groove at the periphery thereof, so as to stably support the steel pipe 800 and prevent the steel pipe 800 from rolling. In addition, because the feed end and the discharge end of scraping the welding machine are equipped with respectively and are used for carrying out spacing guide way to the outer wall of steel pipe 800, so wheel body 630 also can adopt the form of cylindricality, and the homoenergetic guarantees the effective bearing to steel pipe 800.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Welding machine is scraped to steel pipe, its characterized in that includes:
the side part of the frame is provided with at least two groups of bearing wheel sets for bearing the steel pipe;
the welding head seat is arranged on the rack and is positioned on the front side of the rack;
the welding head comprises a first shaft, a second shaft, a third shaft, a fourth shaft, a third shaft, a fourth shaft, a fifth shaft and a sixth shaft, wherein the first shaft is arranged in a direction perpendicular to the front-back direction, one end of the first shaft is connected with a rotary driving piece, the other end of the first shaft;
the periphery of the second shaft is provided with a boss with the top surface used for abutting against the cam component, and the welding head seat is provided with an elastic element which is sleeved on the periphery of the second shaft and used for upwards propping the second shaft; and
and the scraper component is arranged at the lower end of the second shaft and is used for contacting the periphery of the steel pipe.
2. The steel pipe skiving and welding machine of claim 1, wherein said rotary drive comprises:
the fixed end of the cylinder is hinged with the welding head seat;
one end of the first connecting plate is rotatably connected with the output end of the air cylinder, and the other end of the first connecting plate is connected with the first shaft; and
and one end of the second connecting plate is connected with the first shaft, and the other end of the second connecting plate is rotatably connected with the welding head seat.
3. The steel pipe skiving and welding machine of claim 2, wherein said cam assembly comprises:
the plate surfaces of the two cams are perpendicular to the axial direction of the first shaft and are respectively positioned on two sides of the second shaft, and one of the two cams is connected with the end part of the first shaft; and
the connecting block is arranged between the two cams and is used for connecting the two cams.
4. The steel pipe skiving and welding machine as claimed in claim 3, wherein the outer periphery of said cam is provided with a first plane for abutting against the top surface of said boss and a second plane for abutting against the top surface of said boss, and the distance from said first plane to the axial center of said first shaft is smaller than the distance from said second plane to the axial center of said first shaft.
5. The steel pipe skiving machine of claim 1, wherein said skiving blade assembly comprises:
the scraper seat is connected to the lower end of the second shaft; and
the scraper is detachably connected to one side of the scraper seat, and the lower end of the scraper is provided with a cutter head which is used for being in contact with the steel pipe in a matched mode.
6. The steel pipe skiving-welding machine as claimed in claim 5, wherein said head seat is further provided with a fitting block extending in an up-down direction, and said skiving seat is provided with a fitting groove for slidably fitting with said fitting block.
7. The steel pipe scraping and welding machine of claim 1, wherein a first limiting cylinder which is located at the periphery of the second shaft and is used for accommodating the elastic element is fixedly arranged on the welding head seat, the bottom surface of the first limiting cylinder is abutted with the lower end of the elastic element, a second limiting cylinder which is downward opened and is sleeved on the periphery of the second shaft is arranged at the upper end of the second shaft, and the inner top surface of the second limiting cylinder is abutted with the upper end of the elastic element; the inner diameter of the second limiting cylinder is larger than the outer diameter of the second limiting cylinder.
8. The steel pipe scraping and welding machine as set forth in any one of claims 1-7, characterized in that a motor, a worm wheel connected with an output shaft of said motor, and a worm engaged with said worm wheel are further provided on the top of said frame, said worm is disposed in the up-down direction and the lower end of said worm is connected with said solder head seat.
9. The steel pipe skiving and welding machine of any one of claims 1-7, wherein said support wheel assembly comprises:
the base is arranged on one side of the rack and is positioned below the welding head seat;
the eccentric shaft is rotationally connected to the base along the front-back direction; and
the wheel body is sleeved on the outer side of the eccentric shaft and is rotationally connected with the eccentric shaft;
and a locking piece is arranged between the eccentric shaft and the base.
10. The steel pipe skiving and welding machine as claimed in claim 9 wherein there are two sets of said supporting wheel sets and a bearing is provided between said eccentric shaft and said wheel body.
CN201922484125.7U 2019-12-31 2019-12-31 Steel pipe scraping and welding machine Active CN211588784U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922484125.7U CN211588784U (en) 2019-12-31 2019-12-31 Steel pipe scraping and welding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922484125.7U CN211588784U (en) 2019-12-31 2019-12-31 Steel pipe scraping and welding machine

Publications (1)

Publication Number Publication Date
CN211588784U true CN211588784U (en) 2020-09-29

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Application Number Title Priority Date Filing Date
CN201922484125.7U Active CN211588784U (en) 2019-12-31 2019-12-31 Steel pipe scraping and welding machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113210749A (en) * 2021-05-31 2021-08-06 燕山大学 Outer burr scraping system and scraping method thereof
CN116099788A (en) * 2023-02-25 2023-05-12 盐山振德法兰制造厂 Surface treatment process for automobile wheel hub bearing flange

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113210749A (en) * 2021-05-31 2021-08-06 燕山大学 Outer burr scraping system and scraping method thereof
CN116099788A (en) * 2023-02-25 2023-05-12 盐山振德法兰制造厂 Surface treatment process for automobile wheel hub bearing flange
CN116099788B (en) * 2023-02-25 2023-08-18 亚美达(兰陵)汽配有限公司 Car wheel hub bearing flange surface treatment equipment

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