Scraping device for inner welding ribs of welded steel pipe

Abstract

The utility model relates to the technical field of steel pipe production, in particular to a welded steel pipe inner welding rib scraping device which comprises a hollow rod body, the inner cavity wall of the hollow rod body is connected with a scraping rod in a sliding mode, and the right end of the scraping rod extends to the outer side of the hollow rod body and is fixedly connected with a scraper. The left end of the hollow rod body is fixedly connected with a mounting flange; the device further comprises an adjusting mechanism and a cleaning mechanism; the adjusting mechanism comprises first mounting cavities, adjusting blocks, round rods, first springs and adjusting holes, the first mounting cavities are formed in the front side and the rear side of the right side of the inner cavity wall of the hollow rod body, and the inner cavity walls of the first mounting cavities are slidably connected with the adjusting blocks. And the adsorption magnets and the steel wire brushes are matched to clean the welding ribs during scraping, so that the device can adapt to different use conditions during use, the practicability is greatly improved, and meanwhile, the cleaning effect during scraping of the welding ribs is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel pipe production technical field especially relates to a kind of welding steel pipe inner welding rib scraping device. BACKGROUND

[0002] Steel pipe is a kind of long strip steel material with hollow section, and is applied in various industries, for example, in petroleum and chemical industry, it is used for conveying petroleum, natural gas and other media; in power industry, it is used for conveying steam, condensed water, etc., commonly used steel pipe is mostly welded steel pipe, which is made by welding after forming of steel plate or steel belt by coiling, since welding rib is formed during production welding, the formed welding rib not only makes steel pipe relatively ugly, but also causes some problems during use, for example, welding rib causes uneven fluid velocity when steel pipe is used to convey gas and liquid, vortex and turbulent flow phenomenon is generated, fluid flow resistance is increased, and conveying efficiency is reduced, so it is necessary to scrape welding rib of steel pipe, and the common method of existing technology is to scrape by scraper.

[0003] Chinese patent with publication number CN217343868U discloses a straight seam steel pipe inner welding rib scraping device, which comprises a fixed knife handle, a connecting rod and a knife head rod, the connecting rod connects the fixed knife handle and the knife head rod, and the knife head is fixed on the end of the knife head rod; the cutting edge of the knife head is crescent-shaped; two lifting lugs are installed on the fixed handle, a through hole is arranged on each lifting lug, a roller spring supporting leg is further installed on the knife head rod, and the roller spring supporting leg is installed in a direction away from the knife head. The application stretches the knife head into the welding rib of the steel pipe for scraping by the cooperation of the knife head and the knife head rod, and the welding rib is cleaned by the strong magnet bar during scraping, so as to achieve the purpose of scraping the welding rib.

[0004] However, the above-mentioned patent has the following problems: since the length of the knife head rod is fixed, the length of the knife head rod cannot be adjusted according to the position of the welding rib in the steel pipe, so that either the length of the knife head rod is too long for use when the welding rib is shallow, or the length of the knife head rod is not enough for use when the welding rib is deep, and the knife head cannot be scraped, which is very inconvenient to use, and only the strong magnet bar is used to adsorb and clean the scraped welding rib, so that the welding rib adhered to the inner wall of the steel pipe cannot be cleaned. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of welding steel pipe inner welding rib scraping device, solve the problem that the length of the knife head rod is fixed in the prior device, the length of the knife head rod cannot be adjusted according to the position of the welding rib in the steel pipe, so that either the length of the knife head rod is too long for use when the welding rib is shallow, or the length of the knife head rod is not enough for use when the welding rib is deep, and the knife head cannot be scraped, which is very inconvenient to use, and only the strong magnet bar is used to adsorb and clean the scraped welding rib, so that the welding rib adhered to the inner wall of the steel pipe cannot be cleaned.

[0006] In order to achieve the above object, the utility model provides a kind of welding steel pipe inner welding rib scraping device, including hollow pole body, the inner cavity wall of hollow pole body is slidably connected with scraping rod, the right end of scraping rod extends to the outside of hollow pole body and is fixedly connected with scraper, the left end of hollow pole body is fixedly connected with mounting flange,

[0007] Further comprising adjusting mechanism and cleaning mechanism;

[0008] The adjusting mechanism includes first installation cavity, adjusting block, round bar, first spring and adjusting hole, the first installation cavity is opened in the right side of the inner cavity wall of hollow pole body, the inner cavity wall of first installation cavity is slidably connected with adjusting block, the outer side wall of adjusting block is fixedly connected with round bar in the middle of front and back sides, the end of round bar extends to the outside of hollow pole body, the outer side wall of round bar and located in the inner cavity of first installation cavity is sleeved with first spring, the front and back side wall of scraping rod is opened with adjusting hole, and adjusting hole is evenly distributed from left to right, the inner side wall of adjusting block is connected with the inner cavity wall of adjusting hole.

[0009] Wherein, the cleaning mechanism includes second installation cavity, mounting rod, second spring and steel wire brush, the top of scraping rod and located in the left side of scraper is opened with second installation cavity, the inner cavity wall of second installation cavity is slidably connected with mounting rod, the top end of mounting rod extends to the outside of second installation cavity and is fixedly connected with steel wire brush, the bottom end of mounting rod and located in the inner cavity of second installation cavity is inserted with second spring.

[0010] Wherein, the outer side wall of hollow pole body is sleeved with sleeve ring, the end of round bar is in contact with the inner side wall of sleeve ring, the top and bottom right side of hollow pole body is fixedly connected with elastic block, the outer side wall of elastic block is connected with the inner side wall of sleeve ring.

[0011] Wherein, the top and bottom right side of hollow pole body is opened with sliding slot, the inner side wall top and bottom left side of sleeve ring is fixedly connected with sliding block, the outer side wall of sliding block is slidably connected with the inner cavity wall of sliding slot.

[0012] Wherein, the top and bottom left and right sides of steel wire brush are fixedly connected with adsorbing magnet.

[0013] The utility model discloses a welding steel pipe inner welding rib scraping device, through pulling the scraping rod, the adjusting block of adjusting hole extrusion both sides when scraping rod draws, under the extrusion of adjusting hole both sides adjusting block passes through extruding the first spring in the first installation cavity and makes the first spring shrink, and the adjusting block contracts into the first installation cavity after the first spring contracts, and the adjusting block is removed from the current adjusting hole, and when the next adjusting hole moves to the adjusting block position along with the movement of scraping rod, the first spring resets and drives the adjusting block to reset and is clamped into the new adjusting hole, can be according to the position of welding rib and pull the scraping rod and make the adjusting block and the adjusting hole of suitable position and connect, after adjusting, the elastic block is fixed with the sleeve ring through the sliding slot cooperation sliding block sliding ring, thereby limiting the adjusting block through the sleeve ring to the round rod and limiting, the stability of fixed is improved, can adjust the length of scraping rod according to the position of welding rib, thereby adapting to different use conditions, so that the practicality greatly improves.

[0014] The utility model discloses a welding steel pipe inner welding rib scraping device, through the adsorption magnetite and the welding rib of scraping are adsorbed, when the scraper removes the welding rib, the steel wire brush removes the position and cleans, and the steel wire brush is contacted with the inner wall of steel pipe closely when installing rod cooperates the second spring in the second installation cavity, so that the cleaning effect is improved, and the cleaning is adsorbed through the adsorption magnetite, can clean the welding rib through the adsorption magnetite and the steel wire brush cooperation when scraping, so that the cleaning effect is improved. ACCURATE DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0016] Figure 1 It is the whole structure schematic diagram of the utility model embodiment.

[0017] Figure 2 It is the main view cross section schematic diagram of the utility model embodiment.

[0018] Figure 3 It is the structure scraping rod top view cross section schematic diagram of the utility model embodiment.

[0019] Figure 4 It is the structure of the utility model embodiment Figure 2 The enlarged schematic diagram of A.

[0020] Figure 5 It is the structure of the utility model embodiment Figure 3 The enlarged schematic diagram of B.

[0021] In the figure: 100, hollow rod body; 110, scraping rod; 111, scraper; 120, first mounting cavity; 121, adjusting block; 122, round rod; 123, first spring; 124, adjusting hole; 130, second mounting cavity; 131, mounting rod; 132, second spring; 133, steel wire brush; 140, collar; 141, elastic block; 150, sliding groove; 151, sliding block; 160, adsorbing magnet. DETAILED DESCRIPTION

[0022] The embodiments of the present application are described in detail below, examples of which are shown in the drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0023] Please refer to Figures 1-5 , including hollow rod body 100, the inner cavity wall of hollow rod body 100 is slidably connected with scraping rod 110, the right end of scraping rod 110 extends to the outside of hollow rod body 100 and is fixedly connected with scraper 111, the left end of hollow rod body 100 is fixedly connected with mounting flange, further comprising adjusting mechanism and cleaning mechanism; the adjusting mechanism comprises first mounting cavity 120, adjusting block 121, round rod 122, first spring 123 and adjusting hole 124, the inner cavity wall of hollow rod body 100 is provided with first mounting cavity 120 on the right side of the front and back, the inner cavity wall of first mounting cavity 120 is slidably connected with adjusting block 121, the outer side wall of front and back adjusting block 121 is fixedly connected with round rod 122 at the middle of the outer side wall, the end of round rod 122 extends to the outside of hollow rod body 100, the outer side wall of round rod 122 and located in the inner cavity of first mounting cavity 120 is sleeved with first spring 123, adjusting hole 124 is provided on the front and back side wall of scraping rod 110, and adjusting hole 124 is uniformly distributed from left to right, the inner side wall of adjusting block 121 is clamped with the inner cavity wall of adjusting hole 124, the outer side wall of hollow rod body 100 is sleeved with collar 140, the end of round rod 122 is in contact with the inner side wall of collar 140, the right side of the top and bottom of hollow rod body 100 is fixedly connected with elastic block 141, the outer side wall of elastic block 141 is clamped with the inner side wall of collar 140, the right side of the top and bottom of hollow rod body 100 is provided with sliding groove 150, the inner side wall of the top and bottom of collar 140 is fixedly connected with sliding block 151 on the left side, the outer side wall of sliding block 151 is slidably connected with the inner cavity wall of sliding groove 150.

[0024] As described above, the length of scraping rod 110 can be adjusted according to the position of welding ribs, so as to adapt to different use cases, and the practicability is greatly improved.

[0025] Please refer to Figures 1-2The cleaning mechanism comprises a second mounting cavity 130, a mounting rod 131, a second spring 132 and a steel wire brush 133. The second mounting cavity 130 is opened on the top of the scraping rod 110 and on the left side of the scraper 111. The inner cavity wall of the second mounting cavity 130 is slidingly connected with the mounting rod 131. The top end of the mounting rod 131 extends to the outside of the second mounting cavity 130 and is fixedly connected with the steel wire brush 133. The bottom end of the mounting rod 131 and the inner cavity of the second mounting cavity 130 are inserted with the second spring 132. The top left and right sides of the steel wire brush 133 are fixedly connected with the adsorbing magnet 160.

[0026] In summary, the welding ribs can be cleaned at the same time of scraping through the cooperation of the adsorbing magnet and the steel wire brush, so that the cleaning effect is improved.

[0027] In specific use, the position of the welding ribs in the steel pipe is observed, and then the scraping rod 110 is pulled. When the scraping rod 110 is pulled, the adjusting hole 124 extrudes the two adjusting blocks 121. Under the extrusion of the adjusting hole 124, the two adjusting blocks 121 extrude the first spring 123 in the first mounting cavity 120, so that the first spring 123 is contracted. After the first spring 123 is contracted, the adjusting block 121 is contracted into the first mounting cavity 120. When the adjusting block 121 moves, the circular rod 122 is moved. The adjusting block 121 is separated from the current adjusting hole 124. When the next adjusting hole 124 moves to the position of the adjusting block 121, the first spring 123 is reset to drive the adjusting block 121 to be reset and clamped into the new adjusting hole 124. The adjusting block 121 is clamped with the adjusting hole 124 in the appropriate position by pulling the scraping rod 110 according to the position of the welding ribs. After the adjustment is completed, the elastic block 141 is clamped and fixed with the sleeve ring 140 through the cooperation of the sliding groove 150 and the sliding block 151. The circular rod 122 is limited by the sleeve ring 140, and the adjusting block 121 is limited. The fixing effect is improved. In use, the hollow rod body 100 can be fixed on the existing driving device through the mounting flange for use, or the hollow rod body 100 can be directly held for use. After the scraper 111 is extended into the steel pipe through the scraping rod 110, the welding ribs of the steel pipe are scraped. The welding ribs are adsorbed by the adsorbing magnet 160 during scraping. The steel wire brush 133 is brushed and cleaned at the scraping position when the welding ribs are scraped by the scraper 111. The steel wire brush 133 is in close contact with the inner wall of the steel pipe through the cooperation of the mounting rod 131 and the second spring 132 in the second mounting cavity 130, so that the cleaning effect is improved. The cleaning is adsorbed by the adsorbing magnet 160.

[0028] The above only discloses one or more preferred embodiments of the present application, which cannot limit the scope of the present application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.

Claims

1. A welding steel pipe inner welding rib scraping device, comprising a hollow rod body, a scraping rod is slidably connected to the inner cavity wall of the hollow rod body, the right end of the scraping rod extends to the outside of the hollow rod body and is fixedly connected with a scraper, and a mounting flange is fixedly connected to the left end of the hollow rod body, characterized in that, further comprising an adjusting mechanism and a cleaning mechanism; the adjusting mechanism comprises a first mounting cavity, an adjusting block, a round rod, a first spring and adjusting holes, the right side of the inner cavity wall of the hollow rod body is provided with a first mounting cavity on the front and back sides, the inner cavity wall of the first mounting cavity is slidably connected with an adjusting block, the outer side wall of the adjusting block on the front and back sides is fixedly connected with a round rod in the middle, the end of the round rod extends to the outside of the hollow rod body, the outer side wall of the round rod and located in the inner cavity of the first mounting cavity is sleeved with a first spring, the front and back side walls of the scraping rod are provided with adjusting holes which are evenly distributed from left to right, and the inner side wall of the adjusting block is clamped with the inner cavity wall of the adjusting hole.

2. The welding steel pipe inner welding rib scraping device according to claim 1, characterized in that, the cleaning mechanism comprises a second mounting cavity, a mounting rod, a second spring and a steel wire brush, the top of the scraping rod and located on the left side of the scraper is provided with a second mounting cavity, the inner cavity wall of the second mounting cavity is slidably connected with a mounting rod, the top end of the mounting rod extends to the outside of the second mounting cavity and is fixedly connected with a steel wire brush, and the bottom end of the mounting rod and located in the inner cavity of the second mounting cavity is inserted with a second spring.

3. The welding steel pipe inner welding rib scraping device according to claim 1, characterized in that, the outer side wall of the hollow rod body is sleeved with a sleeve ring, the end of the round rod is in contact with the inner side wall of the sleeve ring, the top and bottom right sides of the hollow rod body are fixedly connected with elastic blocks, and the outer side wall of the elastic block is clamped with the inner side wall of the sleeve ring.

4. The welding steel pipe inner welding rib scraping device according to claim 3, characterized in that, the top and bottom right sides of the hollow rod body are provided with sliding grooves, the inner side wall top and bottom left sides of the sleeve ring are fixedly connected with sliding blocks, and the outer side wall of the sliding block is slidably connected with the inner cavity wall of the sliding groove.

5. A weld bead removal device for a welded steel pipe as set forth in claim 2, characterized by the top left and right sides of the steel wire brush are fixedly connected with adsorbing magnets.

Images