CN107716364B - Online steel pipe liquid scraping device for high-frequency pipe welding unit - Google Patents
Online steel pipe liquid scraping device for high-frequency pipe welding unit Download PDFInfo
- Publication number
- CN107716364B CN107716364B CN201710902936.7A CN201710902936A CN107716364B CN 107716364 B CN107716364 B CN 107716364B CN 201710902936 A CN201710902936 A CN 201710902936A CN 107716364 B CN107716364 B CN 107716364B
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- China
- Prior art keywords
- steel pipe
- connecting rod
- scraping
- fixing plate
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 73
- 239000010959 steel Substances 0.000 title claims abstract description 73
- 238000007790 scraping Methods 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 title claims abstract description 42
- 238000003466 welding Methods 0.000 title claims description 14
- 230000008093 supporting effect Effects 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 abstract description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 2
- 229920000742 Cotton Polymers 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C43/00—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Arc Welding In General (AREA)
Abstract
The utility model provides a high frequency welded tube unit is with online steel pipe scraping device, includes the support frame, scrapes liquid case and link mechanism, scrapes the liquid case and is located support frame upper portion, scrapes the liquid case and involutes by two half boxes that the symmetry set up and form, arranges several rubber scrapers according to the steel pipe running direction in each half box, and the opposite and limit middle part of each rubber scraper is equipped with the semicircle orifice, and two semicircle orifices after two rubber scrapers that are located the position that each half box corresponds respectively involute constitute circular scraping hole, and the aperture of scraping the liquid hole is less than the diameter of steel pipe. According to the invention, the cooling liquid carried on the surface of the steel pipe is scraped by using the friction force between the rubber scraping plate and the steel pipe, and a layer of uniform cooling liquid film is left on the surface of the steel pipe, so that the cooling liquid film can play a role in rust prevention on the steel pipe, and on the other hand, no cooling liquid trace is left on the surface of the steel pipe after the cooling liquid water is air-dried and evaporated. The invention is used on line, does not influence the production efficiency of host equipment, and realizes the purpose of removing the steel pipe cooling liquid with high efficiency and low cost.
Description
Technical Field
The invention relates to an auxiliary device for a high-frequency welded pipe unit, in particular to an online steel pipe liquid scraping device for the high-frequency welded pipe unit.
Background
The product piece of the high-frequency pipe welding unit is a steel pipe, the raw material of the product is a steel belt, and the steel belt is manufactured into the steel pipe with the required diameter through the working procedures of die rolling forming, high-frequency inductor heating, welding, shaping and the like in the high-frequency pipe welding unit. The high-frequency welded pipe unit is provided with a spraying device, and the spraying device can spray cooling liquid on the heated welded product pipe in the pipe manufacturing process, so that the effects of cooling, lubrication and rust prevention are achieved. Because the cooling liquid has a certain concentration, the cooling liquid can be hung on the steel pipe in the forms of 'water stain' and 'water drop', and uneven powdery solid marks can be left on the surface of the steel pipe after the water of the cooling liquid is evaporated, so that the appearance of a product is influenced. The prior method for solving the problem of hanging liquid on the surface of the steel pipe comprises the following steps: 1. the concentration of the cooling liquid is reduced, but the rust-proof function of the cooling liquid is greatly reduced after the concentration of the cooling liquid is reduced, and the pipe fitting is easy to rust, so that the cooling liquid is not preferable; 2. and wiping and absorbing the cooling liquid attached to the surface of the steel pipe by using the bundled cotton yarn on line at the outlet pipe section at the rear part of the unit. However, as the steel pipe production per day is large, the cotton yarn needs to be frequently replaced, and the yarn needs to be stopped every time when the cotton yarn is replaced, the continuous production of a unit is affected, the working efficiency is reduced, and the cotton yarn is very easy to hang away by the steel pipe which moves rapidly in the production, so that potential safety hazards exist; 3. an online blowing and drying device is utilized, but the average pipe making speed is 60m/min, so that the moving speed of the steel pipe is too high, and the online blowing and drying cannot perform a drying effect; 4. the surface of the tube after being taken off line is wiped manually. The method is time-consuming and labor-consuming, low in working efficiency and high in labor cost.
Disclosure of Invention
The invention aims at providing an online steel pipe scraping device for a high-frequency welded pipe unit, which is free from influencing the normal operation of the unit, low in production cost and capable of realizing no trace of cooling liquid on the surface of a steel pipe.
The problems of the invention are solved by the following technical proposal:
the utility model provides a liquid device is scraped to online steel pipe for high frequency welded pipe unit, the device is installed between the welding station and the coping saw station of high frequency welded pipe unit, the device includes the support frame, scrapes liquid case and link mechanism, it is located support frame upper portion to scrape the liquid case, scrapes the liquid case and involutes by two half boxes that the symmetry set up and forms, arranges the several rubber scraper blade according to the steel pipe running direction in each half box, and the pair and the limit middle part of each rubber scraper blade are equipped with the semicircle orifice, and two semicircle orifices constitute circular liquid hole of scraping after two rubber scraper blades that are located the position in each half box respectively involutes, and the aperture of scraping liquid hole is less than the diameter of steel pipe.
The online steel pipe liquid scraping device for the high-frequency welding pipe unit comprises a first connecting rod, a second connecting rod, an operating rod and a third connecting rod which are symmetrically arranged, wherein the upper ends of the first connecting rod and the second connecting rod are respectively hinged with each half box body, the lower ends of the first connecting rod and the second connecting rod are hinged with the upper end of the third connecting rod, the lower end of the third connecting rod is hinged with the middle part of the operating rod, one end of the operating rod is hinged with a supporting frame, and the other end of the operating rod is provided with an operating handle.
According to the online steel pipe liquid scraping device for the high-frequency welding pipe unit, the plurality of sets of fixing components are arranged in each half box body at corresponding positions respectively, the first fixing plates and the second fixing plates are sequentially arranged on each set of fixing components according to the advancing direction of the steel pipe, the first fixing plates and the second fixing plates which are arranged in parallel are welded with the half box body, the rubber scraping plate is located between the two fixing plates, and the rubber scraping plate is fixed through jackscrews penetrating through the first fixing plates or the second fixing plates.
The online steel pipe liquid scraping device for the high-frequency welded pipe unit is characterized in that the diameter of the liquid scraping hole is smaller than the diameter of the steel pipe by 8-10 mm.
According to the online steel pipe liquid scraping device for the high-frequency welded pipe unit, semicircular holes are formed in the butt joint edges of the first fixing plate and the second fixing plate, the semicircular holes in the fixing plates corresponding to the positions of the two half boxes after the two half boxes are combined form circular holes, the radius of the semicircular holes in the first fixing plate is larger than that of the semicircular holes in the second fixing plate, and the radius of the semicircular holes in the second fixing plate is larger than that of the steel pipe.
The online steel pipe liquid scraping device for the high-frequency welded pipe unit is characterized in that a plurality of guide strips are arranged on the top of the support frame side by side, the bottoms of the guide strips are fixedly connected with the support frame, guide grooves are formed in the bottoms of the half boxes, and the upper parts of the guide strips are in sliding fit with the half boxes.
The online steel pipe liquid scraping device for the high-frequency welded pipe unit is characterized in that a limiting hook for locking the closing position of the half box body is arranged at the end part of the liquid scraping box.
The high-frequency welded pipe unit is an online steel pipe liquid scraping device, and 3-6 sets of fixing assemblies are arranged in each half box body.
The online steel pipe liquid scraping device for the high-frequency welded pipe unit is characterized in that a fixing bolt is arranged at the bottom of the support frame.
The invention designs a special device aiming at solving the problem of online liquid removal of a steel pipe, the device is arranged at the position in front of a wire saw of a high-frequency welding pipe unit, the device is provided with a liquid scraping box, a plurality of layers of rubber scrapers are arranged in the liquid scraping box, in the production process of the high-frequency welding pipe unit, the steel pipe which rapidly advances is fully contacted with the rubber scrapers when passing through the liquid scraping box, the rubber scrapers scrape redundant cooling liquid carried on the surface of the steel pipe by friction force, a layer of uniform cooling liquid film is left on the surface of the steel pipe, the cooling liquid film can play an anti-rust role on the steel pipe, and on the other hand, after cooling liquid moisture is air-dried and evaporated, cooling liquid traces cannot be left on the surface of the steel pipe. The invention is used on line, does not influence the production efficiency of host equipment, realizes the purpose of removing the steel pipe cooling liquid with high efficiency and low cost, and has the characteristics of small occupied area, easy installation, convenient use, easy maintenance and the like.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a left side view of fig. 1 (half-box closed state);
FIG. 3 is a schematic view of the half-box in an open state;
FIG. 4 is a B-B cross-sectional view of FIG. 2;
fig. 5 is a partially enlarged view at a in fig. 1.
The reference numerals in the figures are: 1. the device comprises a support frame, 2, a connecting rod mechanism, 2-1, a first connecting rod, 2-2, a second connecting rod, 2-3, a third connecting rod, 2-4, an operating rod, 2-5, an operating handle, 3, a steel pipe, 4, a liquid scraping box, 4-1, a half box body, 5, a rubber scraping plate, 6, a liquid scraping hole, 7, a jackscrew, 8, a first fixing plate, 9, a guide bar, 10, a fixing bolt, 11, a limiting hook, 12 and a second fixing plate.
Detailed Description
The invention is arranged between a welding station and a wire saw station of a high-frequency welded pipe unit, and the cooling liquid on the surface of the welded steel pipe is wiped on line. Referring to fig. 1 and 2, the invention comprises a support frame 1, a liquid scraping box 4 and a link mechanism 2. The bottom of the support frame is provided with a fixing bolt 10 which is used for fixing the position of the device, and the liquid scraping box is positioned at the top of the support frame. The liquid scraping box is formed by involution of two half boxes 4-1 which are symmetrically arranged, and the two half boxes are in a closed state shown in fig. 2 in a working state. The number of the rubber scrapers 5 are arranged in each half box body according to the running direction of the steel pipe, semicircular holes are formed in the middle of the opposite edges of each rubber scraper, two semicircular holes are formed after two rubber scrapers corresponding to the positions in each half box body are combined, the diameter of each liquid scraping hole is smaller than 8-10 mm of the diameter of the steel pipe 3, and therefore the rubber scrapers can hold the steel pipe tightly to wipe cooling liquid. When the device is installed, the center of the liquid scraping hole is required to be consistent with the center of the steel pipe 3 running in the pipe welding unit.
Referring to fig. 2 and 4, a plurality of sets of fixing components are correspondingly arranged in each half box body at different positions, each set of fixing components is sequentially provided with a first fixing plate 8 and a second fixing plate 12 according to the advancing direction of a steel pipe, the first fixing plates and the second fixing plates which are arranged in parallel are welded with the half box body, a rubber scraping plate is positioned between the two fixing plates, and the rubber scraping plate is fixed through jackscrews 7 penetrating through the first fixing plates or the second fixing plates. The butt joint edges of the first fixing plate and the second fixing plate are respectively provided with a semicircular hole, and the semicircular holes on the two fixing plates corresponding to the positions of the two half boxes after the two half boxes are closed form a circular hole. The radius of the semicircular hole on the first fixing plate is larger than that of the semicircular hole on the second fixing plate, and the radius of the semicircular hole on the second fixing plate is larger than that of the steel pipe. The structure can enable the steel pipe to pass through the first fixing plate smoothly, and the relatively smaller semicircular holes on the second fixing plate can have a good supporting effect on the rubber scraping plate, so that the rubber scraping plate is prevented from influencing the wiping effect due to excessive deformation. According to different specifications of the steel pipes, 3-6 sets of fixing components are respectively arranged in each half box body.
Referring to fig. 1, 2 and 3, when the high-frequency welded pipe unit produces steel pipes of different specifications, a proper rubber scraper needs to be replaced, and at this time, the two half boxes are opened as shown in fig. 3. For this purpose, the invention provides a linkage mechanism 2 for controlling the opening or closing of the half-box. The link mechanism comprises a first link 2-1, a second link 2-2, an operating rod 2-4 and a third link 2-3 which are symmetrically arranged. The upper ends of the first connecting rod and the second connecting rod are respectively hinged with the half box bodies, the lower ends of the first connecting rod and the second connecting rod are hinged with the upper end of the third connecting rod, the lower end of the third connecting rod is hinged with the middle part of the operating rod, one end of the operating rod is hinged with the supporting frame, and the other end of the operating rod is provided with an operating handle 2-5. When the operating handle is pressed downwards, the device is in a working state, and the two half boxes are closed as shown in figure 2; when the operating handle is lifted upwards, the device is in an adjusting state, and the two half boxes are opened as shown in fig. 3. In order to ensure the position fixing of each half box body in the closed state, a limiting hook 11 for locking the closed state of the half box body is arranged at the end part of the liquid scraping box.
Referring to fig. 1 and 5, in order to ensure the stability of the motion state of each half box and the accurate closing position, a plurality of guide strips 9 are arranged side by side at the top of the support frame, the bottoms of the guide strips are welded with the support frame, the bottoms of each half box are provided with guide grooves, and the upper parts of the guide strips are in sliding fit with the half box.
When the steel pipe is used, the half box body is opened by the connecting rod mechanism, rubber scraping plates with corresponding specifications are installed according to different pipe diameters, then the half box body is closed, and the rubber scraping plates can be tightly attached to the outer surface of the steel pipe. In the pipe manufacturing process, the steel pipe which moves at high speed is fully contacted with the multi-layer rubber scraping plates, the rubber scraping plates scrape redundant cooling liquid on the steel pipe by utilizing friction force, a layer of uniform cooling liquid film is reserved on the surface of the steel pipe, and after the steel pipe is taken off line, the water of the cooling liquid is evaporated, so that no trace of the cooling liquid remains on the surface of the steel pipe.
Claims (4)
1. The utility model provides a high frequency welded tube unit is with online steel pipe scraping liquid device which characterized in that: the device is arranged between a welding station and a wire saw station of the high-frequency welding pipe machine set, the device comprises a support frame (1), a liquid scraping box (4) and a connecting rod mechanism (2), the liquid scraping box is arranged at the upper part of the support frame and is formed by two half boxes which are symmetrically arranged in a butt joint mode, a plurality of rubber scrapers (5) are arranged in each half box according to the running direction of a steel pipe, semicircular holes are formed in the middle of the opposite edges of each rubber scraper, two semicircular holes are formed after the two rubber scrapers which are respectively arranged in the positions in each half box are butt joint, and the aperture of each liquid scraping hole (6) is smaller than the diameter of the steel pipe (3);
the connecting rod mechanism comprises a first connecting rod (2-1), a second connecting rod (2-2), an operating rod (2-4) and a third connecting rod (2-3) which are symmetrically arranged, the upper ends of the first connecting rod and the second connecting rod are respectively hinged with each half box body, the lower ends of the first connecting rod and the second connecting rod are hinged with the upper end of the third connecting rod, the lower end of the third connecting rod is hinged with the middle part of the operating rod, one end of the operating rod is hinged with the supporting frame, and the other end of the operating rod is provided with an operating handle (2-5);
a plurality of sets of fixing components are correspondingly arranged in each half box body respectively, a first fixing plate (8) and a second fixing plate (12) are sequentially arranged in each set of fixing components according to the advancing direction of the steel pipe, the first fixing plate and the second fixing plate which are arranged in parallel are welded with the half box body, a rubber scraping plate is positioned between the two fixing plates, and the rubber scraping plate is fixed through jackscrews (7) penetrating through the first fixing plate or the second fixing plate;
the butt joint edges of the first fixing plate and the second fixing plate are respectively provided with a semicircular hole, the semicircular holes on the fixing plates corresponding to the positions of the two half boxes after the two half boxes are combined form a circular hole, the radius of the semicircular hole on the first fixing plate is larger than that of the semicircular hole on the second fixing plate, and the radius of the semicircular hole on the second fixing plate is larger than that of the steel pipe;
the top of the supporting frame is provided with a plurality of guide strips (9) side by side, the bottoms of the guide strips are fixedly connected with the supporting frame, the bottoms of the half boxes are provided with guide grooves, and the upper parts of the guide strips are in sliding fit with the half boxes;
the end part of the liquid scraping box is provided with a limiting hook (11) for locking the closing position of the half box body.
2. An on-line steel pipe doctoring apparatus for a high frequency welded pipe unit according to claim 1, characterized in that: the diameter of the liquid scraping hole is smaller than the diameter of the steel pipe by 8-10 mm.
3. An on-line steel pipe doctoring apparatus for a high frequency welded pipe unit according to claim 1, characterized in that: and 3-6 sets of fixing components are arranged in the half box body.
4. An on-line steel pipe doctoring apparatus for a high frequency welded pipe unit according to claim 1, characterized in that: the bottom of the supporting frame is provided with a fixing bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902936.7A CN107716364B (en) | 2017-09-29 | 2017-09-29 | Online steel pipe liquid scraping device for high-frequency pipe welding unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902936.7A CN107716364B (en) | 2017-09-29 | 2017-09-29 | Online steel pipe liquid scraping device for high-frequency pipe welding unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107716364A CN107716364A (en) | 2018-02-23 |
| CN107716364B true CN107716364B (en) | 2023-09-15 |
Family
ID=61208939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710902936.7A Active CN107716364B (en) | 2017-09-29 | 2017-09-29 | Online steel pipe liquid scraping device for high-frequency pipe welding unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107716364B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442062A (en) * | 2018-05-17 | 2018-08-24 | 厦门瑞比精密机械有限公司 | A kind of liquid scraping device and dropping liquid machine of dropping liquid machine |
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| CN1348399A (en) * | 1999-03-31 | 2002-05-08 | 株式会社日立制作所 | Strip wiper device, strip wiping method, rolling mill and rolling method |
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| CN202934195U (en) * | 2012-12-07 | 2013-05-15 | 嘉兴永信精密钢管有限公司 | Scraping device of steel plate coil stock for rolling steel pipes |
| CN203715735U (en) * | 2013-12-13 | 2014-07-16 | 江苏京生软管有限公司 | Steel tube brightening agent scrubbing device |
| CN203803868U (en) * | 2014-03-21 | 2014-09-03 | 朱伟 | Online pipe outer wall oil wiper |
| CN203972501U (en) * | 2014-08-08 | 2014-12-03 | 浙江瑞迈不锈钢管有限公司 | A kind of simple steel pipe degreasing unit |
| CN105097311A (en) * | 2015-08-18 | 2015-11-25 | 平高集团有限公司 | Switch equipment as well as operating handle and switch cabinet thereof |
| CN205496105U (en) * | 2016-03-30 | 2016-08-24 | 江苏省镇江船厂（集团）有限公司 | Platform is maintained working ship anchor and is connected wire rope washing unit |
| CN106180903A (en) * | 2016-08-28 | 2016-12-07 | 江苏高尔德汽车钢管有限公司 | High frequency steel pipe outside weld muscle removal device |
| CN207386000U (en) * | 2017-09-29 | 2018-05-22 | 河北凌云机电有限公司 | A kind of online liquid scraping device of ratio-frequency welded tube unit |
-
2017
- 2017-09-29 CN CN201710902936.7A patent/CN107716364B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1348399A (en) * | 1999-03-31 | 2002-05-08 | 株式会社日立制作所 | Strip wiper device, strip wiping method, rolling mill and rolling method |
| CN201555421U (en) * | 2009-06-23 | 2010-08-18 | 上海科米钢管有限公司 | Simple welded pipe drying device |
| CN201427143Y (en) * | 2009-07-13 | 2010-03-24 | 常熟华冶薄板有限公司 | Band steel surface residual emulsion removing device for cold rolling mill |
| CN102649146A (en) * | 2012-05-14 | 2012-08-29 | 中冶京诚工程技术有限公司 | Three-jaw necking machine synchronized through connecting rods |
| CN202934195U (en) * | 2012-12-07 | 2013-05-15 | 嘉兴永信精密钢管有限公司 | Scraping device of steel plate coil stock for rolling steel pipes |
| CN203715735U (en) * | 2013-12-13 | 2014-07-16 | 江苏京生软管有限公司 | Steel tube brightening agent scrubbing device |
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| CN207386000U (en) * | 2017-09-29 | 2018-05-22 | 河北凌云机电有限公司 | A kind of online liquid scraping device of ratio-frequency welded tube unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107716364A (en) | 2018-02-23 |
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