CN212404331U - Electrophoresis production line for anti-corrosion treatment of condenser - Google Patents

Electrophoresis production line for anti-corrosion treatment of condenser Download PDF

Info

Publication number
CN212404331U
CN212404331U CN202020658937.9U CN202020658937U CN212404331U CN 212404331 U CN212404331 U CN 212404331U CN 202020658937 U CN202020658937 U CN 202020658937U CN 212404331 U CN212404331 U CN 212404331U
Authority
CN
China
Prior art keywords
electrophoresis
wall
welded
condenser
production line
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.)
Active
Application number
CN202020658937.9U
Other languages
Chinese (zh)
Inventor
吴树明
马相明
韩彩霞
魏成豪
周长军
杨建国
耿三林
杨文彬
朱止良
吴婷婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinxiang Youdao Refrigeration Technology Co ltd
Original Assignee
Xinxiang Youdao Refrigeration Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xinxiang Youdao Refrigeration Technology Co ltd filed Critical Xinxiang Youdao Refrigeration Technology Co ltd
Priority to CN202020658937.9U priority Critical patent/CN212404331U/en
Application granted granted Critical
Publication of CN212404331U publication Critical patent/CN212404331U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses an electrophoresis production line for anticorrosive treatment of condenser, including the electrophoresis cell, the stoving case has all been welded to the both sides of electrophoresis cell outer wall, the top both sides of electrophoresis cell and stoving case all have electronic slip table through bolted connection, one side at two electronic slip table tops sliding connection respectively has sliding plate and carriage, the inner wall of carriage bottom has the motor through bolted connection, and the tip of motor output shaft has the screw rod through the coupling joint, one side threaded connection of the screw rod outside has the swivel nut, and the outside one side welding of swivel nut has the lifter, the spout has been seted up to the outer wall of sliding plate one side, and the inside sliding connection of spout has the elevator block. The utility model discloses the lifter moves down and makes the clamp get the interior machined part of inboard and soak the inside water-soluble coating of swimming pool, and the machined part takes place the electrophoresis reaction, and electrophoretic coating attaches the surface formation protection film at the machined part, and through the film of drying after the electrophoresis, has the adhesive force, and rust resistance corrosion resistance is superior to the coating of ordinary paint.

Description

Electrophoresis production line for anti-corrosion treatment of condenser
Technical Field
The utility model relates to a condenser technical field especially relates to an electrophoresis production line for condenser anticorrosive treatment.
Background
The condenser is a component of a refrigeration system, can transfer heat in the pipe to air near the pipe in a fast mode, and the electrophoresis process aims to coat a layer of primer on the surface of a metal product, is different from processes of other modes such as spraying and the like, is generally used for primer coating of products such as hardware and the like, and is suitable for batch production.
Condenser pipe in the condenser is at usual course of working, directly carries out paining of coating to the surface of condenser pipe, and the anticorrosive treatment effect is unsatisfactory, and coating uses just abandons after once when the operation, has caused the increase of cost, and the machined part outside has the dust to influence the processing, consequently, need to design an electrophoresis production line for condenser anticorrosive treatment to solve above-mentioned problem urgently.
Disclosure of Invention
The utility model aims at solving the direct surface to the condenser pipe that exists among the prior art and carrying out paining of coating, the anticorrosive treatment effect is unsatisfactory, and coating uses just abandoning after once when the operation, has caused the increase of cost, and the machined part outside has the dust to influence the shortcoming of handling processing, and the electrophoresis production line who is used for condenser anticorrosive treatment who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an electrophoresis production line for anticorrosive treatment of condenser, includes the electrophoresis cell, the stoving case has all been welded to the both sides of electrophoresis cell outer wall, the top both sides of electrophoresis cell and stoving case all have electronic slip table, two through bolted connection one side at electronic slip table top sliding connection respectively has sliding plate and carriage, there is the motor inner wall of carriage bottom through bolted connection, and there is the screw rod motor output shaft's tip through coupling joint, outside one side threaded connection of screw rod has the swivel nut, and the outside one side welding of swivel nut has the lifter, the spout has been seted up to the outer wall of sliding plate one side, and the inside sliding connection of spout has the lift slider, the one end welding of swivel nut is kept away from to the lifter in one side of lift slider.
The key concept of the technical scheme is as follows: the lifting rod moves downwards to enable the machined part in the clamping plate to be soaked in the water-soluble paint inside the electrophoresis cell, the machined part generates an electrophoresis reaction, and the electrophoresis paint is attached to the surface of the machined part to form a protective film.
Furthermore, the welding of the outside middle department of lifter is got the case, it has the cylinder through bolted connection to get one side at roof portion of the case, the both sides of getting the bottom of the case portion all are connected with through the pivot rotation and get the arm.
Furthermore, the bottom outer wall welding of pressing from both sides the arm gets the board, and presss from both sides one side outer wall of getting the board and seted up a plurality of antiskid groove, the tip of cylinder piston rod rotates through the pivot to be connected and gets the top of arm.
Furthermore, there is a baffle one side of electrophoresis cell inner wall through bolted connection, the welding of one side of the inner wall that the electrophoresis cell is close to the baffle has a plurality of spray pipe.
Furthermore, one side of the outer wall of the drying box is connected with a fan through bolts, and the outer wall of one side of the drying box, which is far away from the fan, is equidistantly connected with drying pipes through bolts.
Further, the welding of one side of electrophoresis cell outer wall has the water service pipe, and the welding of the one end of water service pipe has the rose box, there are first filter screen and second filter screen in the inner wall both sides of rose box through bolted connection respectively.
Furthermore, one side welding that the water service pipe was kept away from to the rose box has the outlet pipe, and the tip of outlet pipe runs through the electrophoresis cell, all there is the water service valve water service pipe through bolted connection on one side of the outside of water service pipe and outlet pipe.
The utility model has the advantages that:
1. get board and lifter through the clamp that sets up, the lifter moves down makes the clamp get the interior machined part of board and soak the inside water-soluble coating of electrophoresis cell, and the machined part takes place the electrophoresis reaction, and electrophoretic coating attaches the surface formation protection film at the machined part.
2. Through the fan and the drying tube that set up, the fan is operated and is dried to the machined part by the drying tube, and the paint film of drying after the electrophoresis has adhesive force, and rust resistance corrosion resistance is superior to the coating of ordinary paint.
3. Through the rose box and the first filter screen that set up, the coating after the use advances in the rose box, and first filter screen and second filter screen carry out the secondary filter to coating respectively, let in the electrophoresis tank by the outlet pipe again in, the coating can carry out utilization once more, has saved the cost.
4. Through the spray pipe and the baffle that set up, the spray pipe can carry out water spray treatment to the surface of machined part to reduce the outside dust of machined part, made things convenient for the machined part to carry out the electrophoresis operation inside the electrophoresis cell.
Drawings
Fig. 1 is a schematic structural view of an electrophoresis production line for the preservative treatment of a condenser according to the present invention;
fig. 2 is a schematic structural view of a clamping box and a sliding frame of an electrophoresis production line for the antiseptic treatment of a condenser according to the present invention;
fig. 3 is a schematic view of the internal structure of a filter box of an electrophoresis production line for the antiseptic treatment of a condenser, which is provided by the utility model;
fig. 4 is a schematic partial cross-sectional view of an electrophoresis production line for the antiseptic treatment of a condenser according to the present invention.
In the figure: 1 swimming pool, 2 baffles, 3 stoving casees, 4 rose boxes, 5 electronic slipways, 6 fans, 7 stoving pipes, 8 spray pipes, 9 sliding plates, 10 carriages, 11 motors, 12 screws, 13 swivel nuts, 14 lifter, 15 lifting slide blocks, 16 chutes, 17 clamp and get case, 18 cylinders, 19 clamp and get arm, 20 clamp and get board, 21 water service pipe, 22 outlet pipes, 23 first filter screen, 24 second filter screen, 25 water service valves, 26, antiskid groove.
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.
Please refer to fig. 1 to 4 simultaneously, an electrophoresis production line for antiseptic treatment of a condenser comprises an electrophoresis cell 1, a drying box 3 is welded on both sides of the outer wall of the electrophoresis cell 1, both sides of the top of the electrophoresis cell 1 and the drying box 3 are connected with electric sliding tables 5 through bolts, one side of the top of each of the two electric sliding tables 5 is respectively connected with a sliding plate 9 and a sliding frame 10 in a sliding manner, the inner wall of the bottom of the sliding frame 10 is connected with a motor 11 through bolts, the model of the motor 11 is TC7134, the end part of the output shaft of the motor 11 is connected with a screw 12 through a coupler, one side of the outer part of the screw 12 is connected with a screw sleeve 13 in a threaded manner, one side of the outer part of the screw sleeve 13 is welded with a lifting rod 14, the outer wall of one side of the sliding plate 9 is provided with a sliding groove 16, the inner part of the sliding, the lifting slide block 15 is arranged in the sliding groove 16, and the screw 12 rotates to cause the screw sleeve 13 to have to move downwards, so that the workpiece in the clamping plate 20 is soaked in the water-soluble paint inside the electrophoresis cell 1.
As can be seen from the above description, the present invention has the following advantages: through the clamping plate 20 and the lifting rod 14, the lifting rod 14 moves downwards to enable the workpiece in the clamping plate 20 to be soaked in the water-soluble paint inside the electrophoresis cell 1, the electrophoresis reaction of the workpiece occurs, and the electrophoresis paint is attached to the surface of the workpiece to form a protective film.
Furthermore, the middle of the outer portion of the lifting rod 14 is welded with the clamping box 17, one side of the top of the clamping box 17 is connected with the air cylinder 18 through a bolt, the model of the air cylinder 18 is SC63 × 400, the two sides of the bottom of the clamping box 17 are both rotatably connected with the clamping arms 19 through rotating shafts, and piston rods of the air cylinders 18 enable the clamping plates 20 to be closed upwards to clamp the machined parts.
Furthermore, the outer wall of the bottom of the clamping arm 19 is welded with a clamping plate 20, the outer wall of one side of the clamping plate 20 is provided with a plurality of anti-slip grooves 26, the end of the piston rod of the cylinder 18 is rotatably connected to the top of the clamping arm 19 through a rotating shaft, and the piston rod of the cylinder 18 can vertically close and open the clamping plate 20.
Further, there is baffle 2 in one side of 1 inner wall of electrophoresis cell through bolted connection, and one side welding of the inner wall that 1 of electrophoresis cell is close to baffle 2 has a plurality of spray pipe 8, and one side of spray pipe 8 carries out water spray treatment to the machined part, reduces the outside dust of machined part.
Further, there is fan 6 one side of 3 outer walls of stoving case through bolted connection, and the one side outer wall that fan 6 was kept away from to stoving case 3 is the equidistance and has drying tube 7 through bolted connection, and fan 6's defeated wind end and 3 internal connections of stoving case, fan 6 operation, wind are dried the machined part by drying tube 7, and the paint film of drying has adhesive force after the electrophoresis, and rust resistance corrosion resistance is superior to the coating of ordinary paint.
Further, the welding of one side of electrophoresis cell 1 outer wall has water service pipe 21, and the welding of one end of water service pipe 21 has rose box 4, and there are first filter screen 23 and second filter screen 24 in the inner wall both sides of rose box 4 through bolted connection respectively, and coating after using advances rose box 4 through water service pipe 21, and first filter screen 23 carries out the secondary filter to coating respectively with second filter screen 24.
Furthermore, one side that rose box 4 kept away from water service pipe 21 has welded outlet pipe 22, and outlet pipe 22's tip runs through electrophoresis cell 1, and water service pipe 21 and outlet pipe 22's outside one side all has a water service valve 25 through bolted connection, opens outlet pipe 22's water service valve 25, lets in the electrophoresis cell 1 by outlet pipe 22 again and carries out utilization once more.
Through the fan 6 and the drying tube 7 that set up, the machined part is dried by the drying tube to wind during fan 6 operation, and the paint film of drying after the electrophoresis has adhesive force, and rust resistance corrosion resistance is superior to the coating of ordinary paint.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
An electrophoresis production line for the antiseptic treatment of a condenser comprises an electrophoresis cell 1, a drying box 3 is welded on two sides of the outer wall of the electrophoresis cell 1, electric sliding tables 5 are connected on two sides of the tops of the electrophoresis cell 1 and the drying box 3 through bolts, a sliding plate 9 and a sliding frame 10 are respectively connected on one side of the tops of the two electric sliding tables 5 in a sliding manner, a motor 11 is connected on the inner wall of the bottom of the sliding frame 10 through bolts, the end part of an output shaft of the motor 11 is connected with a screw 12 through a coupler, a threaded sleeve 13 is connected on one side of the outer part of the screw 12, a lifting rod 14 is welded on one side of the outer part of the threaded sleeve 13, a sliding groove 16 is formed in the outer wall of one side of the sliding plate 9, a lifting slide block 15 is connected on the inner part of the sliding groove 16 in a sliding manner, one end, when the screw 12 rotates, the screw sleeve 13 has to move downward, so that the workpiece in the clamping plate 20 is soaked in the water-soluble paint inside the electrophoresis cell 1.
The middle of the outer part of the lifting rod 14 is welded with a clamping box 17, one side of the top of the clamping box 17 is connected with an air cylinder 18 through a bolt, the model of the air cylinder 18 is SC 63X 400, two sides of the bottom of the clamping box 17 are both rotatably connected with clamping arms 19 through rotating shafts, and piston rods of the air cylinders 18 upwards enable the clamping plates 20 to be closed to clamp workpieces; the outer wall of the bottom of the clamping arm 19 is welded with a clamping plate 20, the outer wall of one side of the clamping plate 20 is provided with a plurality of anti-skidding grooves 26, the end part of a piston rod of the air cylinder 18 is rotatably connected to the top of the clamping arm 19 through a rotating shaft, and the piston rod of the air cylinder 18 can vertically close and open the clamping plate 20; one side of the inner wall of the electrophoretic cell 1 is connected with a partition plate 2 through a bolt, one side of the electrophoretic cell 1, which is close to the inner wall of the partition plate 2, is welded with a plurality of water spraying pipes 8, and one side of each water spraying pipe 8 sprays water to a workpiece, so that dust outside the workpiece is reduced; one side of the outer wall of the drying box 3 is connected with a fan 6 through a bolt, the outer wall of one side of the drying box 3, which is far away from the fan 6, is connected with a drying pipe 7 through a bolt at equal intervals, the air delivery end of the fan 6 is connected with the inside of the drying box 3, the fan 6 operates, air is used for drying a workpiece through the drying pipe 7, a dried paint film after electrophoresis has adhesive force, and the antirust property and the corrosion resistance are superior to those of the coating of common paint; a water pipe 21 is welded on one side of the outer wall of the electrophoresis cell 1, a filter box 4 is welded on one end of the water pipe 21, a first filter screen 23 and a second filter screen 24 are respectively connected to two sides of the inner wall of the filter box 4 through bolts, used paint enters the filter box 4 through the water pipe 21, and the first filter screen 23 and the second filter screen 24 respectively perform secondary filtration on the paint; one side of the filter tank 4 far away from the water service pipe 21 is welded with a water outlet pipe 22, the end part of the water outlet pipe 22 penetrates through the electrophoresis cell 1, one side of the outside of the water service pipe 21 and the water outlet pipe 22 is connected with a water service valve 25 through bolts, the water service valve 25 of the water outlet pipe 22 is opened, and the water outlet pipe 22 is introduced into the electrophoresis cell 1 for reuse.
The working principle is as follows: when the device is used, a condenser pipe machined part in a condenser is placed between the clamping plates 20, a piston rod of the air cylinder 18 upwards enables the clamping plates 20 to be closed, the machined part is clamped, one side of the water spray pipe 8 sprays water to the machined part to reduce dust outside the machined part, the sliding plate 9 and the sliding frame 10 slide to the middle of the top of the electric swimming pool through the electric sliding table 5, an output shaft of the motor 11 drives the screw rod 12 to rotate, the lifting slide block 15 is arranged in the sliding groove 16, the screw sleeve 13 has to move downwards when the screw rod 12 rotates, the machined part in the clamping plates 20 is soaked in the water-soluble paint in the electric swimming pool 1, the machined part is subjected to an electrophoresis reaction, the electrophoresis paint is attached to the surface of the machined part to form a protective film, the air delivery end of the fan 6 is connected with the drying box 3, the fan 6 runs, air is dried, the rust resistance and corrosion resistance of the coating are superior to those of common paint, the used coating enters the filter box 4 through the water pipe 21, the first filter screen 23 and the second filter screen 24 respectively carry out secondary filtration on the coating, the water valve 25 of the water outlet pipe 22 is opened, and the coating is introduced into the swimming pool 1 through the water outlet pipe 22 for secondary utilization.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The electrophoresis production line for the antiseptic treatment of the condenser comprises an electrophoresis cell (1) and is characterized in that drying boxes (3) are welded on two sides of the outer wall of the electrophoresis cell (1), electric sliding tables (5) are connected on two sides of the top of the electrophoresis cell (1) and the drying boxes (3) through bolts, a sliding plate (9) and a sliding frame (10) are respectively and slidably connected on one side of the top of each electric sliding table (5), a motor (11) is connected on the inner wall of the bottom of each sliding frame (10) through a bolt, a screw rod (12) is connected on the end portion of an output shaft of the motor (11) through a coupler, a threaded sleeve (13) is connected on one side of the outside of the screw rod (12), a lifting rod (14) is welded on one side of the outside of the screw sleeve (13), a sliding groove (16) is formed in the outer wall of one side of the sliding plate (, one end of the lifting rod (14) far away from the threaded sleeve (13) is welded on one side of the lifting slide block (15).
2. The electrophoresis production line for the antiseptic treatment of the condenser, as recited in claim 1, characterized in that a clamping box (17) is welded in the middle of the outside of the lifting rod (14), one side of the top of the clamping box (17) is connected with a cylinder (18) through a bolt, and two sides of the bottom of the clamping box (17) are connected with clamping arms (19) through a rotating shaft.
3. The electrophoresis production line for the antiseptic treatment of the condenser as recited in claim 2, wherein the outer wall of the bottom of the clamping arm (19) is welded with a clamping plate (20), the outer wall of one side of the clamping plate (20) is provided with a plurality of anti-slip grooves (26), and the end of the piston rod of the cylinder (18) is rotatably connected to the top of the clamping arm (19) through a rotating shaft.
4. The electrophoresis production line for the antiseptic treatment of the condenser as recited in claim 1, wherein one side of the inner wall of the electrophoresis cell (1) is connected with the partition plate (2) through bolts, and one side of the inner wall of the electrophoresis cell (1) close to the partition plate (2) is welded with a plurality of water spray pipes (8).
5. The electrophoresis production line for the antiseptic treatment of the condenser according to claim 1 is characterized in that one side of the outer wall of the drying box (3) is connected with a fan (6) through a bolt, and the outer wall of one side of the drying box (3) far away from the fan (6) is connected with drying pipes (7) through bolts at equal intervals.
6. The electrophoresis production line for the antiseptic treatment of the condenser is characterized in that a water pipe (21) is welded on one side of the outer wall of the electrophoresis cell (1), a filter box (4) is welded on one end of the water pipe (21), and a first filter screen (23) and a second filter screen (24) are respectively connected to two sides of the inner wall of the filter box (4) through bolts.
7. Electrophoresis production line for antiseptic treatment of condensers according to claim 6, wherein a water outlet pipe (22) is welded on one side of the filter box (4) far away from the water service pipe (21), the end of the water outlet pipe (22) penetrates through the electrophoresis cell (1), and a water service valve (25) is connected to one side of the outside of the water service pipe (21) and the water outlet pipe (22) through bolts.
CN202020658937.9U 2020-04-27 2020-04-27 Electrophoresis production line for anti-corrosion treatment of condenser Active CN212404331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020658937.9U CN212404331U (en) 2020-04-27 2020-04-27 Electrophoresis production line for anti-corrosion treatment of condenser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020658937.9U CN212404331U (en) 2020-04-27 2020-04-27 Electrophoresis production line for anti-corrosion treatment of condenser

Publications (1)

Publication Number Publication Date
CN212404331U true CN212404331U (en) 2021-01-26

Family

ID=74299596

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020658937.9U Active CN212404331U (en) 2020-04-27 2020-04-27 Electrophoresis production line for anti-corrosion treatment of condenser

Country Status (1)

Country Link
CN (1) CN212404331U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978364A (en) * 2021-04-20 2021-06-18 佛山市鸿邦机械有限公司 Storage and transportation device for aluminum profile electrophoresis and oxidation production line
CN116555863A (en) * 2023-05-31 2023-08-08 喜科金属(昆山)有限公司 Electrophoretic coating equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978364A (en) * 2021-04-20 2021-06-18 佛山市鸿邦机械有限公司 Storage and transportation device for aluminum profile electrophoresis and oxidation production line
CN112978364B (en) * 2021-04-20 2021-07-16 佛山市鸿邦机械有限公司 Storage and transportation device for aluminum profile electrophoresis and oxidation production line
CN116555863A (en) * 2023-05-31 2023-08-08 喜科金属(昆山)有限公司 Electrophoretic coating equipment
CN116555863B (en) * 2023-05-31 2023-10-31 喜科金属(昆山)有限公司 Electrophoretic coating equipment

Similar Documents

Publication Publication Date Title
CN212404331U (en) Electrophoresis production line for anti-corrosion treatment of condenser
CN211412540U (en) Water-based dip-coating primer dip-coating equipment
CN100577878C (en) Environment-friendly type metal normal temperature surface preservative treatment technique
CN215542980U (en) Surface pretreatment device for aluminum profile machining
CN205361773U (en) Machine part paint spraying apparatus
CN109174536A (en) A kind of comprehensive environment-friendly spray coating production line of fitness equipment
CN209287569U (en) A kind of spray equipment for powder spray
CN214736112U (en) Electroplating oil-removing pickling device capable of preventing parts from being corroded
CN211989374U (en) Convenient abluent application equipment for rough turning
CN113695142A (en) Automatic spraying equipment for plates
CN213222950U (en) Anticorrosive paint spraying device for shipbuilding
CN207155519U (en) A kind of outer polishing machine of multi-shaft interlocked disc type
CN111841962A (en) High-efficient combination formula spray booth die forging
CN215429874U (en) Anti-pollution paint spraying device for machining mechanical parts
CN214440539U (en) Sand blasting unit for surface anticorrosive treatment of aluminum alloy plate
CN210646947U (en) Paint spraying apparatus is used in production of aluminium veneer
CN209109451U (en) A kind of spraying frock of hardware components production
CN113499880A (en) Integrative equipment of water based paint spraying stoving
CN212943649U (en) High-efficient combination formula spray booth die forging
CN211838566U (en) Spraying frock of five metals spare part production
CN209906885U (en) Rust removal and corrosion prevention treatment device for water pump gate
CN210560665U (en) Hot galvanizing drying device for wear-resistant and corrosion-resistant metal product
CN208960262U (en) A kind of the dacroment process dipping system
CN207289842U (en) A kind of derusting device of cold-rolling mill
CN217527967U (en) Steel construction rapid draing device that sprays paint

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant