CN210160903U - Automatic grinding device of steel pipe for building - Google Patents
Automatic grinding device of steel pipe for building Download PDFInfo
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- CN210160903U CN210160903U CN201920355954.2U CN201920355954U CN210160903U CN 210160903 U CN210160903 U CN 210160903U CN 201920355954 U CN201920355954 U CN 201920355954U CN 210160903 U CN210160903 U CN 210160903U
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Abstract
The utility model discloses an automatic grinding device of steel pipe for building, include: the device comprises a machine body, a pair of switch buttons with the same structure and a pair of shaft brackets with the same structure; the machine body is L-shaped, the pair of control buttons are arranged at the left end of the front wall surface of the machine body and close to the upper part, the pair of shaft brackets are arranged on the upper wall surface of the machine body and are respectively positioned at the left side and the right side and are parallel to the central line, the pair of shaft brackets are provided with first through holes with the same structure at the central part, and the left end and the right end are provided with second through holes corresponding to the central line, the utility model relates to the technical field of grinding machine production equipment, and the ground steel pipe can be automatically moved by matching a motor drive and a transmission rod, a slide rod and a slide block in; and carry out all-round polishing through the structure of polishing, get rid of artifical handheld small-size mascerating machine and press close to the manual polishing in steel pipe surface, labour saving and time saving, and the effect of polishing will be more even smooth level and smooth, has improved work efficiency.
Description
Technical Field
The utility model relates to a polisher production facility technical field specifically is an automatic grinding device of steel pipe for building.
Background
Steel pipes are steel with a hollow cross section whose length is much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process includes seamless steel pipe and welded steel pipe, the seamless steel pipe includes hot rolling and cold rolling (drawing), and the welded steel pipe includes straight seam welded steel pipe and spiral seam welded steel pipe. Steel pipes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also are economical steels. The steel pipe is used for manufacturing the building structure net rack, the supporting column and the mechanical support, so that the weight can be reduced, the metal can be saved by 20-40%, and the industrialized mechanized construction can be realized. The steel pipe is used for manufacturing the highway bridge, so that steel can be saved, the construction can be simplified, the area of a coating protective layer can be greatly reduced, and the investment and the maintenance cost can be saved; at present, steel pipes are indispensable building materials in various buildings, but because the building period is long, common steel pipes are exposed in the air for a long time or are easy to rust, accumulate dust and other impurities after rainwater passes through, and the steel pipes need to be polished before use in consideration of attractiveness, practicability and safety. The existing polishing technology is that an operator manually holds a small sand chip machine to polish the surface of a steel pipe close to the surface of the steel pipe, time and labor are wasted, unevenness of the surface of the steel pipe is easily caused, and efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an automatic grinding device of steel pipe for building, ingenious solution current steel pipe is indispensable building materials in various buildings, nevertheless because construction cycle is longer, ordinary steel pipe is because expose for a long time in the air, perhaps through the rainwater, easily rusts, amasss dust and other impurity, considers from pleasing to the eye, practicality and security, and the steel pipe needs polish before the use. The existing polishing technology is characterized in that an operator manually holds a small sand chip machine to manually polish the surface of a steel pipe, time and labor are wasted, unevenness of the surface of a light pipe is easily caused, and efficiency is low.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an automatic grinding device of steel pipe for building includes: the device comprises a machine body, a pair of switch buttons with the same structure and a pair of shaft brackets with the same structure; the machine body is L-shaped, the pair of control buttons are arranged at the left end of the front wall surface of the machine body and close to the upper part of the front wall surface of the machine body, the pair of shaft brackets are arranged on the upper wall surface of the machine body and are respectively positioned at the left side and the right side and are parallel to the central line, first through holes with the same structure are formed in the center parts of the pair of shaft brackets, second through holes are formed in the left end and the right end corresponding to the central line, and a moving structure, a clamping structure and a polishing structure are further;
the mobile structure mainly comprises: the pair of sliding rods, the transmission rod, the first motor, the fixed seat, the sliding block and the sliding plate are identical in structure;
the two ends of each of the pair of sliding rods are respectively fixedly inserted into the second through holes in the pair of shaft brackets, the two ends of the transmission rod are respectively inserted into the first through holes in the central parts of the pair of shaft brackets and positioned between the pair of sliding rods, the middle part of the transmission rod is provided with a thread, the first motor is arranged on the left side of the upper wall surface of the machine body and positioned on the left side of one of the pair of shaft brackets, the driving end of the first motor is connected to one end of the transmission rod, the fixed seat is arranged between the first motor and the upper wall surface of the machine body, the sliding block is provided with a pair of third through holes which correspond to the first through holes and have the same structure, the central part of the sliding block is provided with a threaded hole, the sliding block is sleeved;
the dress card structure, it mainly includes: the pair of baffles with the same structure, the pair of shaft bodies with the same structure and the pair of rollers with the same structure;
the pair of baffles are arranged on the upper wall surface of the sliding plate, the two ends of the pair of baffles are parallel to the central line and are positioned above the central line, the two ends of the pair of shaft bodies are respectively fixed on the left side and the right side of the pair of baffles and are parallel to the central line, and the pair of rollers are sleeved on the pair of shaft bodies;
the grinding structure mainly comprises: the device comprises a mechanical frame, a wheel shaft, a first belt wheel, a pair of cantilever frames with the same structure, a pair of second belt wheels with the same structure, an abrasive belt, a second motor, a pair of third belt wheels with the same structure and a transmission belt;
the mechanical frame is arranged on the upper wall surface of the machine body and close to the right side of the center line, the wheel shaft is arranged on the lower wall of the mechanical frame and close to the right end, the first belt wheel is arranged at one end of the wheel shaft, one ends of the pair of cantilever frames are respectively arranged on the lower wall of the mechanical frame and are respectively positioned on two sides of the wheel shaft and correspond to each other, the pair of second belt wheels are respectively arranged at the other ends of the pair of cantilever frames, the abrasive belts are respectively sleeved on the first belt wheel and the pair of second belt wheels and form an isosceles triangle shape, the second motor is arranged on the upper wall surface of the mechanical frame and is positioned above the wheel shaft in parallel, one third belt wheel is fixed at the driving end of the second motor, the other third belt wheel is.
Preferably, pulleys are installed at four feet of the lower wall of the machine body: the pulley is used for the machine body to move.
Preferably, a pair of bearings with the same structure is installed between the two ends of the transmission rod and the shaft bracket: the bearing is used for driving the rod to rotate.
Preferably, a pair of fixing pins with the same structure are mounted on the cantilever frame: the fixing pin is used for stabilizing and limiting the second belt wheel.
Preferably, two pairs of flat washers with the same structure are installed between the two ends of the roller and the shaft bracket: the flat washer is used to prevent rubbing against the pedestal side wall.
Preferably, a limiting rod is arranged on the right side wall surface of one of the pair of baffles and is positioned on the central line: the limiting rod is used for limiting the movement of the polished steel pipe.
Advantageous effects
To the problem, the utility model provides an automatic grinding device of steel pipe for building. The method has the following beneficial effects: the automatic polishing device for the steel pipe for the building is characterized in that a polished steel pipe can automatically move through the matching of a motor drive and a transmission rod, a sliding rod and a sliding block in a moving structure; the ingenious design through dress card structure makes the steel pipe that needs polished spacing and rotatable to this forms steel pipe automatic movement and rotates, and carries out all-round polishing through the structure of polishing, breaks away from artifical handheld small-size abrasive disc machine and presses close to the manual polishing in steel pipe surface, and labour saving and time saving, and the effect of polishing will be even more smooth level and smooth, has improved work efficiency.
Drawings
Fig. 1 is a schematic view of a front view structure of an automatic polishing device for a steel pipe for construction of the present invention;
fig. 2 is a left side view structural schematic diagram of the automatic polishing device for a steel pipe for construction of the present invention;
fig. 3 is the utility model relates to an automatic grinding device of steel pipe for building overlook the schematic structure view.
In the figure: 1. a body; 2. a switch button; 3. a pedestal; 4. a slide bar; 5. a transmission rod; 6. a first motor; 7. a fixed seat; 8. a slider; 9. a slide plate; 10. a baffle plate; 11. a shaft body; 12. a drum; 13. a mechanical frame; 14. a wheel axle; 15. a first pulley; 16. a cantilever mount; 17. a second pulley; 18. an abrasive belt; 19. a second motor; 20. a third belt pulley; 21. a transmission belt; 22. a pulley; 23. a bearing; 24. a fixing pin; 25. a flat washer; 26. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The following are the types of some of the electrical components mentioned in this document;
a first motor: the model number is 5IK90A-CF three-phase asynchronous motor.
A second motor: the model is 6W-7000W asynchronous motor.
The following is a description of the shapes and materials of some parts in the present case;
an organism: is of a stainless steel structure.
A shaft bracket: is a rectangular alloy steel structure.
Fixing a base: is a rectangular block-shaped steel material structure.
A slide block: is a rectangular titanium steel structure.
A baffle plate: is an alloy plate-shaped structure.
A mechanical frame: mechanical structure steel structure.
A cantilever frame: is an alloy steel structure.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.
Example (b): the present case is based on an automatic grinding device of steel pipe for building, can know by fig. 1-3, mainly includes: the device comprises a machine body 1, a pair of switch buttons 2 with the same structure and a pair of shaft brackets 3 with the same structure, wherein the connection relationship is as follows;
the machine body 1 is L-shaped, the pair of switch buttons 2 are arranged at the left end of the front wall surface of the machine body 1 and close to the upper part, the pair of shaft brackets 3 are arranged on the upper wall surface of the machine body 1 and are respectively positioned at the left side and the right side and are parallel to the central line, first through holes with the same structure are formed in the central parts of the pair of shaft brackets 3, second through holes are formed in the left end and the right end and correspond to the central line, and the machine body 1 is further provided with a moving structure, a clamping structure and a;
the mobile structure, it mainly includes: the pair of slide bars 4, the transmission rod 5, the first motor 6, the fixed seat 7, the slide block 8 and the slide plate 9 which have the same structure are connected as follows;
two ends of a pair of sliding rods 4 are respectively fixedly inserted into second through holes in a pair of shaft brackets 3, two ends of a transmission rod 5 are respectively inserted into first through holes in the center parts of the pair of shaft brackets 3 and located between the pair of sliding rods 4, threads are formed in the middle of the transmission rod 5, a first motor 6 is arranged on the left side of the upper wall surface of a machine body 1 and located on the left side of one of the pair of shaft brackets 3, a driving end of the first motor is connected to one end of the transmission rod, a fixed seat 7 is arranged between the first motor 6 and the upper wall surface of the machine body 1, a pair of third through holes which correspond to the first through holes and have the same structure are formed in a sliding block 8, threaded holes are formed in the center part of the sliding block 8, the sliding block 8 is sleeved;
therefore, the phase-change driving of the first motor 6 on the fixed seat 7 is used for forward and reverse rotation transmission, so that the rotating rod 5 is driven to rotate between the two shaft frames 3, the sliding block 8 is driven to translate left and right on the two sliding rods 4 through the threaded screwing connection between the rotating rod 5 and the sliding block 8, and the sliding plate 9 above the sliding block 8 is driven to move left and right;
dress card structure, it mainly includes: a pair of baffles 10 with the same structure, a pair of shaft bodies 11 with the same structure and a pair of rollers 12 with the same structure are connected as follows;
the pair of baffles 10 are arranged on the upper wall surface of the sliding plate 9, are positioned at two ends, are parallel to the central line and are positioned above the central line, two ends of the pair of shaft bodies 11 are respectively fixed at the left side and the right side of the pair of baffles 10 and are parallel to the central line, and the pair of rollers 12 are sleeved on the pair of shaft bodies 11;
according to the method, the steel pipe to be polished can be installed and clamped between the two baffle plates 10 and placed on the two rollers 12, and the steel pipe to be polished can rotate on the shaft body 11 under the stress of the rollers 12, so that the polished steel pipe can also rotate;
the structure of polishing, it mainly includes: the connection relationship among the mechanical frame 13, the wheel axle 14, the first belt wheel 15, the pair of cantilever frames 16 with the same structure, the pair of second belt wheels 17 with the same structure, the abrasive belt 18, the second motor 19, the pair of third belt wheels 20 with the same structure and the transmission belt 21 is as follows;
the mechanical frame 13 is arranged on the upper wall surface of the machine body 1 and close to the right side of the central line, the wheel shaft 14 is arranged on the lower wall of the mechanical frame 13 and close to the right end, the first belt wheel 15 is arranged at one end of the wheel shaft 14, one end of each of the pair of cantilever frames 16 is respectively arranged on the lower wall of the mechanical frame 13 and respectively located at two sides of the wheel shaft 14, the pair of second belt wheels 17 is respectively arranged at the other end of the pair of cantilever frames 16, the abrasive belts 18 are respectively sleeved on the first belt wheels 15 and the pair of second belt wheels 17 and form an isosceles triangle, the second motor 19 is arranged on the upper wall surface of the mechanical frame 13 and located above the wheel shaft 14 in parallel, one third belt wheel 20 of the pair is fixed at the driving end of the second motor 19, the other third;
as can be seen from the above, the second motor 19 on the mechanical frame 13 is driven to rotate to drive the third belt wheel 20 at the driving end, and the other third belt wheel 20 at one end of the wheel shaft 14 is driven to rotate by the connection of the transmission belt 21, so as to drive the wheel shaft 14 to rotate; a second belt wheel 17 sleeved on the cantilever frame 16 through an abrasive belt 18 and a first belt wheel 15 at the other end of the wheel shaft 14 form a continuous driven, so that the abrasive belt 18 can be circulated and a steel pipe can be polished;
according to the above general knowledge, firstly, after the equipment is powered on, an operator places a steel pipe to be polished on the roller 12 between the two baffles 10, and one end of the steel pipe is sleeved on the limiting rod 26 to limit the movement of the steel pipe in the polishing process; then, an electric signal is input through one of the switch buttons 2, the second motor 19 is controlled to rotate through a motor driver, the second motor 19 on the mechanical frame 13 drives the second motor to rotate in a forward rotation mode to drive the third belt wheel 20 at the driving end, and the other third belt wheel 20 at one end of the driving shaft 14 is driven to rotate through the connection of a transmission belt 21 so as to drive the shaft 14 to rotate, so that a speed reduction effect can be achieved, the motor is prevented from being subjected to overlarge torsion force, and the service life is prolonged; a second belt wheel 17 sleeved on the cantilever frame 16 through an abrasive belt 18 and a first belt wheel 15 at the other end of the wheel shaft 14 form a continuous driven, so that the abrasive belt 18 can be circulated, a steel pipe can be polished, and the second belt wheel 17 is stabilized through a fixing pin 24, so that when the abrasive belt 18 is polished, a belt surface can be ensured to contact the steel pipe; the steel pipe rotates under the force of the abrasive belt 18 when being polished, so that the two rollers 12 under the steel pipe are driven to bear the force and rotate on the shaft body 11, the side walls of the baffle 10 are protected by the flat washers 25 at the two ends, the polished steel pipe can rotate, and the circumferential polishing of the steel pipe is completed; a signal is input through another switch button 2, a first motor 6 on a fixed seat 7 on the machine body 1 is controlled to do phase-changing forward and reverse rotation movement, so that the rotating rod 5 is driven to rotate in a bearing 23 and between two shaft frames 3, the sliding block 8 is driven to translate left and right on two sliding rods 4 through the threaded screwing between the rotating rod 5 and the sliding block 8, and then the sliding plate 9 above the sliding block 8 is driven to move left and right, so that the steel pipe is driven to move during polishing, and the whole all-dimensional polishing is completed; and the apparatus can be moved for transport by means of the bottom pulley 22.
Preferably, pulleys 22 are further mounted at four-foot positions of the lower wall of the machine body 1: the pulley 22 is used for the movement of the body 1.
Preferably, a pair of bearings 23 with the same structure is further installed between the two ends of the transmission rod 5 and the shaft bracket 3: the bearing 23 is used to drive the rod 5 in rotation.
Preferably, a pair of identical fixing pins 24 are further mounted on the cantilever mount 16: the fixing pin 24 is used to firmly hold the second pulley 17.
Preferably, two pairs of flat washers with the same structure are further installed between the two ends of the roller 12 and the shaft bracket 3: the flat washer 25 is used to prevent rubbing against the side wall of the shaft bracket 3.
Preferably, a limiting rod 26 is mounted on the right wall surface of one of the pair of baffles 10 and is located on the central line: the stopper rod 26 is used to restrict the movement of the polished steel pipe.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An automatic grinding device of steel pipe for building includes: the device comprises a machine body (1), a pair of switch buttons (2) with the same structure and a pair of shaft brackets (3) with the same structure; the novel multifunctional electric cooker is characterized in that the body (1) is L-shaped, the pair of switch buttons (2) is arranged at the left end of the front wall surface of the body (1) and close to the upper part of the front wall surface of the body (1), the pair of shaft brackets (3) is arranged on the upper wall surface of the body (1) and is respectively positioned at the left side and the right side and parallel to the central line, first through holes with the same structure are formed in the central parts of the pair of shaft brackets (3), second through holes are formed in the left end and the right end corresponding to the central line, and a moving structure, a clamping structure and a polishing structure are further installed on;
the mobile structure mainly comprises: the pair of sliding rods (4), the transmission rod (5), the first motor (6), the fixed seat (7), the sliding block (8) and the sliding plate (9) are identical in structure;
two ends of each of the pair of sliding rods (4) are respectively and fixedly inserted into second through holes in the pair of shaft brackets (3), two ends of each of the transmission rods (5) are respectively inserted into first through holes in the central parts of the pair of shaft brackets (3) and are positioned between the pair of sliding rods (4), a thread is arranged in the middle of each of the transmission rods (5), the first motor (6) is arranged on the left side of the upper wall surface of the machine body (1) and is positioned on the left side of one of the pair of shaft brackets (3), the driving end of each of the first motor is connected to one end of each of the rotation rods, the fixed seat (7) is arranged between the first motor (6) and the upper wall surface of the machine body (1), the sliding block (8) is provided with a pair of third through holes which correspond to the first through holes and have the same structure, a threaded hole is arranged in the central part of the sliding block, the sliding block (8), the sliding plate (9) is arranged on the upper wall surface of the sliding block (8);
the dress card structure, it mainly includes: a pair of baffles (10) with the same structure, a pair of shaft bodies (11) with the same structure and a pair of rollers (12) with the same structure;
the pair of baffles (10) are arranged on the upper wall surface of the sliding plate (9), are positioned at two ends, are parallel to the central line and are positioned above the central line, two ends of the pair of shaft bodies (11) are respectively fixed at the left side and the right side of the pair of baffles (10) and are parallel to the central line, and the pair of rollers (12) are sleeved on the pair of shaft bodies (11);
the grinding structure mainly comprises: the device comprises a mechanical frame (13), an axle (14), a first belt wheel (15), a pair of cantilever frames (16) with the same structure, a pair of second belt wheels (17) with the same structure, a sand belt (18), a second motor (19), a pair of third belt wheels (20) with the same structure and a transmission belt (21);
the mechanical frame (13) is arranged on the upper wall surface of the machine body (1) and close to the right side of the central line, the wheel shaft (14) is arranged on the lower wall of the mechanical frame (13) and close to the right end, the first belt wheel (15) is arranged at one end of the wheel shaft (14), one ends of the pair of cantilever frames (16) are respectively arranged on the lower wall of the mechanical frame (13) and are respectively positioned at two sides of the wheel shaft (14) and correspond to each other, the pair of second belt wheels (17) is respectively arranged at the other end of the pair of cantilever frames (16), the abrasive belts (18) are respectively sleeved on the first belt wheel (15) and the pair of second belt wheels (17) and form an isosceles triangle shape, the second motor (19) is arranged on the upper wall surface of the mechanical frame (13) and is positioned above the wheel shaft (14) in parallel, one of the pair of third belt wheels (20) is fixed at the driving end of the second motor (19), and the other, the transmission belt (21) is sleeved on the third belt wheel (20).
2. The automatic grinding device for the steel tube for the building as claimed in claim 1, wherein pulleys (22) are installed at four feet of the lower wall of the machine body (1): the pulley (22) is used for moving the machine body (1).
3. The automatic grinding device for the steel tube for the building as claimed in claim 1, wherein a pair of bearings (23) with the same structure are installed between both ends of the transmission rod (5) and the shaft bracket (3): the bearing (23) is used for driving the rod (5) to rotate.
4. The automatic grinding device for construction steel pipes as claimed in claim 1, wherein the cantilever frame (16) is mounted with a pair of fixing pins (24) having the same structure: the fixing pin (24) is used for stably limiting the second belt wheel (17).
5. The automatic grinding device for the steel tube for the building as claimed in claim 1, wherein two pairs of flat washers (25) with the same structure are installed between both ends of the drum (12) and the shaft bracket (3): the flat washer (25) is used to prevent rubbing against the wall of the pedestal (3).
6. The automatic grinding device for the steel pipe for building of claim 1, characterized in that a limiting rod (26) is installed on the right side wall surface of one of the pair of baffles (10) and is positioned on the central line: the limiting rod (26) is used for limiting the movement of the polished steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355954.2U CN210160903U (en) | 2019-03-20 | 2019-03-20 | Automatic grinding device of steel pipe for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920355954.2U CN210160903U (en) | 2019-03-20 | 2019-03-20 | Automatic grinding device of steel pipe for building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210160903U true CN210160903U (en) | 2020-03-20 |
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ID=69788761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920355954.2U Expired - Fee Related CN210160903U (en) | 2019-03-20 | 2019-03-20 | Automatic grinding device of steel pipe for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210160903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917334A (en) * | 2021-02-24 | 2021-06-08 | 李阳兴 | Steel pipe raw and other materials surface rust cleaning equipment for intelligent manufacturing |
-
2019
- 2019-03-20 CN CN201920355954.2U patent/CN210160903U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917334A (en) * | 2021-02-24 | 2021-06-08 | 李阳兴 | Steel pipe raw and other materials surface rust cleaning equipment for intelligent manufacturing |
| CN112917334B (en) * | 2021-02-24 | 2023-09-01 | 佛山市添源钢管有限公司 | Intelligent steel pipe raw material surface rust removal equipment for manufacturing |
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Granted publication date: 20200320 |