CN112246519A

CN112246519A - Roll coating device on plate heat exchanger nickel brazing production line

Info

Publication number: CN112246519A
Application number: CN202011001073.4A
Authority: CN
Inventors: 朱小明
Original assignee: Huzhou Wuxing Jiuhong Machinery Co ltd
Current assignee: Huzhou Wuxing Jiuhong Machinery Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-01-22

Abstract

The invention discloses a roll coating device on a nickel brazing production line of a plate heat exchanger, and relates to the technical field of roll coating. This roll on plate heat exchanger nickel production line of brazing is scribbled device, including placing the board, place and evenly seted up the trompil on the board, place the top welded mounting of board and have the connecting rod, the quantity of connecting rod is two sets of and for corresponding setting, the bottom welded mounting who places the board has the supporting leg, the top of placing the board is provided with the footstock, the free end and the footstock fixed connection of connecting rod, the top welded mounting of footstock has the support, the top welded mounting of support has the roof, the below of roof is provided with actuating mechanism, the below of footstock is provided with elevating system, the top of placing the board is provided with the diaphragm, the below of footstock is provided with absorbing mechanism, one side outer wall welded mounting of connecting rod. The roller coating machine can absorb particles such as dust on a workpiece, avoids the influence of the particles such as the dust on the roller coating of the workpiece, and is beneficial to ensuring the roller coating effect.

Description

Roll coating device on plate heat exchanger nickel brazing production line

Technical Field

The invention relates to the technical field of roll coating, in particular to a roll coating device on a nickel brazing production line of a plate heat exchanger.

Background

Roller coating is a metal working process. The method has the advantages of good temperature resistance, strong environmental protection, permanence, freshness and firmness, and the metal plate after the roll coating processing is called a roll coating plate, the roll coating plate is formed by carrying out degreasing and chemical treatment on the surface of an aluminum plate base material, roll coating high-quality coating, drying and curing, the material of the roll coating plate base material is the same as that of a film coating plate, and the precision and the flatness of the plate can be more effectively controlled through the high-performance roll coating processing technology, so that the unevenness and the wrinkle caused by the traditional method can be successfully eliminated.

The roller coating device has a wide application range, and the traditional roller coating device rarely has the function of removing impurities on the surface of a workpiece, so that the roller coating effect on the surface of the workpiece is poor easily, and the roller coating quality is not improved easily; the roller coating machine can not be simultaneously suitable for workpieces with different heights, has a narrow application range, and is not beneficial to popularization and application.

Disclosure of Invention

The invention aims to provide a roller coating device on a nickel brazing production line of a plate heat exchanger, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a roll coating device on a plate heat exchanger nickel brazing production line comprises a placing plate, wherein holes are uniformly formed in the placing plate, connecting rods are welded and installed at the top of the placing plate, the number of the connecting rods is two, the connecting rods are correspondingly arranged, supporting legs are welded and installed at the bottom of the placing plate, a top seat is arranged above the placing plate, the free end of each connecting rod is fixedly connected with the top seat, a support is welded and installed at the top of the top seat, a top plate is welded and installed at the top of the support, a driving mechanism is arranged below the top plate, a lifting mechanism is arranged below the top seat, a transverse plate is arranged above the placing plate, an absorption mechanism is arranged below the top seat, a box body is welded and installed on the outer wall of one side of each connecting rod, a stirring mechanism is arranged inside the box body, a pumping pump is welded and installed at the top of the top seat, a feeding end flange of, the second hose is installed to the discharge end flange of pump, and the front side rotation of diaphragm is installed and is rolled the coating roller, and the one end and the roll coating roller fixed connection of pump are kept away from to the second hose.

Preferably, the adjacent side walls of the supporting legs are welded and provided with a collecting box, a first discharging pipe is arranged on a bottom flange of the collecting box, and a valve is arranged on the first discharging pipe.

Preferably, the driving mechanism comprises a first sliding block, a sleeve, a mounting plate, a first motor, a rotating shaft, a first connecting rod, a second sliding block and a second connecting rod, a sliding groove is formed in the top plate, an opening is formed in the bottom of the top plate, the first sliding block is slidably mounted in the top plate, the sleeve is arranged below the top plate, the mounting plate is welded in the sleeve, the first motor is welded on the rear side of the mounting plate, the rotating shaft is rotatably mounted on the front side of the mounting plate, an output shaft of the first motor is fixedly connected with the rotating shaft through a coupler, gears are welded on the top and bottom of the inner side of the sleeve and on the outer wall of the rotating shaft and are meshed with each other, the first connecting rod is welded on the bottom of the first sliding block, the first connecting rod longitudinally penetrates through the opening and is fixedly connected with the sleeve, the sliding groove is formed in the top seat, the top slidable mounting of footstock has the second slider, and the top welded mounting of second slider has the second connecting rod, second connecting rod and sleeve fixed connection.

Preferably, elevating system includes casing, second motor, threaded rod and threaded sleeve, and the bottom welded mounting of second slider has the casing, and the inboard bottom welded mounting of casing has the second motor, and the louvre has been seted up to the outer wall of casing, and the bottom of casing is rotated and is installed the threaded rod, and the output shaft of second motor passes through shaft coupling and threaded rod fixed connection, and the cover is equipped with threaded sleeve on the threaded rod, threaded sleeve's free end and diaphragm fixed connection.

Preferably, the absorption mechanism includes the pump body, first hose, inhale the hopper, the discharging pipe, the rose box, row's material pipe of filter screen and second, the top welded mounting of footstock has the pump body, first hose is installed to the feed end flange of the pump body, the bottom flange mounting of diaphragm inhales the hopper, the one end of the pump body is kept away from to first hose and inhales hopper fixed connection, the discharging pipe is installed to the discharge end flange of the pump body, the rose box is installed in the welding of one side outer wall of connecting rod, the one end and the rose box fixed connection of the pump body are kept away from to the discharging pipe, the inside welded mounting of rose box has the filter screen, row's material pipe of second is installed to one side outer wall flange.

Preferably, the stirring mechanism includes third motor, throws material pipe, dwang and stirring vane, and the top welded mounting of box has the third motor, and the inboard top of box is rotated and is installed the dwang, and the output shaft of third motor passes through shaft coupling and dwang fixed connection, and the material pipe of throwing is installed to one side outer wall flange of box, and the equal welded mounting of both sides outer wall of dwang has the stirring vane, and the quantity of stirring vane is eight groups.

Preferably, the top of diaphragm is welded and is installed electric putter, and electric putter's free end welded and is installed the brush.

Compared with the prior art, the invention has the beneficial effects that:

(1) the roller coating device on the nickel brazing production line of the plate heat exchanger is used in cooperation with the first sliding block, the sleeve, the mounting plate, the first motor, the rotating shaft, the first connecting rod, the second sliding block and the second connecting rod, so that the roller coating area is enlarged, the working efficiency is improved to a certain extent, and the acceleration of the working process is facilitated.

(2) The roll coating device on the nickel brazing production line of the plate heat exchanger is used through the matching of the shell, the second motor, the threaded rod and the threaded sleeve, so that the roll coating distance is adjusted, the roll coating device can be suitable for workpieces of different heights to use, is wide in application performance, increases the flexibility of use of the device to a certain extent, and is better than the traditional mode.

(3) The utility model discloses a roll on plate heat exchanger nickel production line is scribbled to roll, this roll on plate heat exchanger nickel production line is brazed and is scribbled device, through the pump body, first hose, inhale the hopper, the discharging pipe, the rose box, the cooperation of row's material pipe of filter screen and second is used, thereby particle such as dust on the work piece goes to absorb, avoid particulate matter such as dust to lead to the fact the influence to the roll of work piece is scribbled, be favorable to the guarantee to roll the effect of scribbling, use through the cooperation of filter screen, thereby particulate matter such as dust filters the discharge, prevent that direct discharge from leading to the fact the pollution to the outside.

(4) This roll on plate heat exchanger nickel production line of brazing scribbles device, through the third motor, throw the material pipe, the dwang is used with the cooperation of stirring the leaf, thereby stir the material, prevent that the phenomenon that solidifies from appearing in the material, avoid influencing the effect of roll-coating, the quality of roll-coating has been increased to a certain extent, convenient to popularize and use, through the material pump, the inlet pipe, the second hose is used with the cooperation of roll-coating roller, thereby roll-coating work to the work piece, cooperation through electric putter and brush is used, thereby work piece after to roll-coating brushes, be favorable to increasing the roughness of work piece roll-coating, the quality of roll-coating has been improved to a certain extent, cooperation through the collecting box is used, can retrieve the unnecessary material that roll-coating produced, prevent to cause the material extravagant when avoiding causing environmental pollution, convenient to popularize and use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the placement board according to the present invention;

FIG. 3 is a side view of a first motor of the present invention;

FIG. 4 is an enlarged view of portion A of the present invention;

FIG. 5 is an enlarged view of the portion B of the present invention;

FIG. 6 is an enlarged view of the portion C of the present invention;

fig. 7 is an enlarged view of a portion D in the present invention.

In the figure: 1 placing plate, 2 connecting rods, 3 supporting legs, 4 collecting boxes, 5 first discharging pipes, 6 top seats, 7 supports, 8 top plates, 9 driving mechanisms, 901 first sliding blocks, 902 sleeves, 903 mounting plates, 904 first motors, 905 rotating shafts, 906 first connecting rods, 907 second sliding blocks, 908 second connecting rods, 10 lifting mechanisms, 1001 shells, 1002 second motors, 1003 threaded rods, 1004 threaded sleeves, 11 transverse plates, 12 electric push rods, 1401 brushes, 14 absorbing mechanisms, pump bodies, 1402 first hoses, 1403 suction hoppers, 1404 discharging pipes, 1405 filter boxes, 1406 filter screens, 1407 second discharging pipes, 15 stirring mechanisms, 1501 third motors, feeding pipes, 1503 rotating rods, 1504 stirring blades, 16 boxes, 17 pumping pumps, 18 feeding pipes, 19 second hoses, 20 rolling coating rollers and 21 holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a roll on board heat exchanger nickel production line of brazing and scribble device, including placing board 1, place and evenly seted up trompil 21 on the board 1, place the top welded mounting of board 1 and have connecting rod 2, the quantity of connecting rod 2 is two sets of and for corresponding setting, the bottom welded mounting who places board 1 installs supporting leg 3, the adjacent lateral wall welded mounting of supporting leg 3 has collecting box 4, the bottom flange mounting of collecting box 4 has first row of material pipe 5, be provided with the valve on the first row of material pipe 5, the top of placing board 1 is provided with footstock 6, the free end and the footstock 6 fixed connection of connecting rod 2, the top welded mounting of footstock 6 has support 7, the top welded mounting of support 7 has roof 8, the below of roof 8 is provided with actuating mechanism 9, actuating mechanism 9 includes first slider 901, sleeve 902, mounting panel 903, first motor 904, pivot 905, first connecting rod 906, Second slider 907 and second connecting rod 908, the spout has been seted up to the inside of roof 8, the opening has been seted up to the bottom of roof 8, the inside slidable mounting of roof 8 has first slider 901, the below of roof 8 is provided with sleeve 902, the inside welded mounting of sleeve 902 has mounting panel 903, first motor 904 is installed in the rear side welded mounting of mounting panel 903, pivot 905 is installed in the front side rotation of mounting panel 903, the output shaft of first motor 904 passes through shaft coupling and pivot 905 fixed connection, the gear is installed in the outer wall of the inboard top of sleeve 902 and inboard bottom and pivot 905 all welded mounting, and the gear meshes mutually, first connecting rod 906 is installed in the bottom welded mounting of first slider 901.

The first connecting rod 906 longitudinally penetrates through the opening and is fixedly connected with the sleeve 902, a sliding groove is formed in the top seat 6, the top and the bottom of the top seat 6 are respectively provided with an opening, the top of the top seat 6 is slidably provided with a second sliding block 907, the top of the second sliding block 907 is welded and provided with a second connecting rod 908, the second connecting rod 908 is fixedly connected with the sleeve 902 to drive the first motor 904, the first motor 904 rotates to drive a rotating shaft 905 to rotate, the rotating shaft 905 rotates to drive the sleeve 902 to transversely move through the matching use of the first sliding block 901 and the second sliding block 907, so that the roll coating area is enlarged, the working efficiency is improved to a certain extent, the working process is accelerated, the lifting mechanism 10 is arranged below the top seat 6 and comprises a shell 1001, a second motor 1002, a threaded rod 1003 and a threaded sleeve 1004, the bottom of the second sliding block 907 is welded and provided with the shell 1001, the bottom of the inner side of the shell 1001 is, the radiating hole is opened to the outer wall of casing 1001, the threaded rod 1003 is installed in the bottom rotation of casing 1001, the output shaft of second motor 1002 passes through shaft coupling and threaded rod 1003 fixed connection, the cover is equipped with threaded sleeve 1004 on the threaded rod 1003, the top of placing board 1 is provided with diaphragm 11, threaded sleeve 1004's free end and diaphragm 11 fixed connection, drive second motor 1002, second motor 1002 drives threaded rod 1003 and rotates, threaded rod 1003 rotates and drives threaded sleeve 1004 longitudinal motion, threaded sleeve 1004 longitudinal motion drives diaphragm 11 longitudinal motion, thereby adjust the distance of scribbling, can be applicable to the work piece of different heights and use, wide applicability, the flexibility that the device used has increased to a certain extent, better than traditional mode, absorbing mechanism 14 is provided with to the below of footstock 6, absorbing mechanism 14 includes the pump body 1401, first hose 1402, suction hopper 1403, discharging pipe 1404, The filter box 1405, the filter screen 1406 and the second discharge pipe 1407, the pump body 1401 is welded and installed on the top of the top seat 6, the first hose 1402 is installed on the flange of the feed end of the pump body 1401, and the suction hopper 1403 is installed on the flange of the bottom of the transverse plate 11.

One end of the first hose 1402, which is far away from the pump body 1401, is fixedly connected with the suction hopper 1403, the discharge end of the pump body 1401 is provided with the discharge pipe 1404 through a flange, the outer wall of one side of the connecting rod 2 is provided with the filter box 1405 through a welding mode, one end of the discharge pipe 1404, which is far away from the pump body 1401, is fixedly connected with the filter box 1405 through a welding mode, the filter screen 1406 is arranged inside the filter box 1405 through a welding mode, the second discharge pipe 1407 is arranged on the outer wall of one side of the filter box 1405 through a flange, a valve is arranged on the second discharge pipe 1407, the pump body 1401 is driven, through the matching use of the first hose 1402, the suction hopper 1403 and the discharge pipe 1404, particles such as dust on a workpiece are absorbed, the rolling coating of the particles such as dust on the workpiece is avoided from being influenced, the rolling coating effect is favorably ensured, the matching use of the filter screen, the utility model is convenient to use, a box 16 is welded on the outer wall of one side of the connecting rod 2, an agitating mechanism 15 is arranged inside the box 16, the agitating mechanism 15 comprises a third motor 1501, a feeding pipe 1502, a rotating rod 1503 and agitating blades 1504, the third motor 1501 is welded on the top of the box 16, the rotating rod 1503 is rotatably arranged on the top of the inner side of the box 16, the output shaft of the third motor 1501 is fixedly connected with the rotating rod 1503 through a coupler, the feeding pipe 1502 is flanged on the outer wall of one side of the box 16, the agitating blades 1504 are welded on the outer walls of the two sides of the rotating rod 1503, the number of the agitating blades 1504 is a plurality of groups, the third motor 1501 is driven, the third motor 1501 drives the rotating rod 1503 to rotate, the agitating blades 1504 are driven to rotate by the rotating rod 1503 to rotate, thereby agitating the material, the phenomenon of solidification of the material is prevented, the top of the top seat 6 is welded with a material pumping pump 17, a material feeding pipe 18 is flanged at the material feeding end of the material pumping pump 17, one end of the material feeding pipe 18 far away from the material pumping pump 17 is fixedly connected with the box body 16, a second hose 19 is flanged at the material discharging end of the material pumping pump 17, a rolling coating roller 20 is rotatably mounted at the front side of the transverse plate 11, one end of the second hose 19 far away from the material pumping pump 17 is fixedly connected with the rolling coating roller 20, the material pumping pump 17 is driven, the workpiece is rolled and coated by matching the material feeding pipe 18 and the second hose 19, an electric push rod 12 is welded and mounted at the top of the transverse plate 11, a brush 13 is welded and mounted at the free end of the electric push rod 12, the electric push rod 12 is driven to adjust the distance to the workpiece, the workpiece is used by matching the brush 13, so as to brush the workpiece after being rolled and coated, the flatness of the workpiece is increased, and the rolling coating quality is, through the cooperation use of collecting box 4, can retrieve the unnecessary material that the roll coating produced, prevent to cause the material extravagant when avoiding causing environmental pollution, convenient to popularize and use.

When the device is used, the first motor 904 is driven, the first motor 904 rotates to drive the rotating shaft 905 to rotate, the rotating shaft 905 rotates to drive the sleeve 902 to move transversely through the matching of the first slider 901 and the second slider 907, so that the roll coating area is enlarged, the working efficiency is improved to a certain extent, the working process is favorably accelerated, the second motor 1002 is driven, the second motor 1002 drives the threaded rod 1003 to rotate, the threaded rod 1003 rotates to drive the threaded sleeve 1004 to move longitudinally, the threaded sleeve 1004 moves longitudinally to drive the transverse plate 11 to move longitudinally, so that the roll coating distance is adjusted, the device is suitable for workpieces with different heights, the applicability is wide, the flexibility of the device is improved to a certain extent, compared with the traditional mode, the pump body 1401 is driven, and particles such as dust and the like on the workpieces are absorbed through the matching of the first hose 1402, the material suction hopper 1403 and the material discharge pipe 1404, the rolling coating of workpieces is prevented from being influenced by particles such as dust and the like, the rolling coating effect is favorably ensured, the filter screen 1406 is used in a matched manner, the particles such as dust and the like are filtered and discharged, the pollution of direct discharge to the outside air is prevented, the environment is favorably protected to a certain extent, the third motor 1501 is driven, the third motor 1501 drives the rotating rod 1503 to rotate, the rotating rod 1503 rotates to drive the stirring blade 1504 to rotate, so that materials are stirred, the solidification phenomenon of the materials is prevented, the rolling coating effect is prevented from being influenced, the rolling coating quality is increased to a certain extent, the popularization and the use are convenient, the material pumping pump 17 is driven, the rolling coating work is carried out on the workpieces through the matched use of the feeding pipe 18 and the second hose 19, the electric push rod 12 is driven, the distance between the electric push rod 12 and the workpieces is adjusted, the electric push rod is matched with the hairbrush 13, so that the rolled coated workpieces are brushed, the roller coating quality is improved to a certain extent, redundant materials generated by roller coating can be recycled by matching the collecting box 4, and the material waste is prevented while the environmental pollution is avoided.

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

1. The utility model provides a roll on plate heat exchanger nickel production line of brazing and scribble device, is including placing board (1), its characterized in that: the device is characterized in that the placing plate (1) is uniformly provided with open holes (21), the top of the placing plate (1) is welded with connecting rods (2), the number of the connecting rods (2) is two groups and is arranged correspondingly, the bottom of the placing plate (1) is welded with supporting legs (3), a top seat (6) is arranged above the placing plate (1), the free end of each connecting rod (2) is fixedly connected with the top seat (6), the top of the top seat (6) is welded with a support (7), the top of the support (7) is welded with a top plate (8), a driving mechanism (9) is arranged below the top plate (8), a lifting mechanism (10) is arranged below the top seat (6), a transverse plate (11) is arranged above the placing plate (1), an absorption mechanism (14) is arranged below the top seat (6), a box body (16) is welded on the outer wall of one side of each connecting rod (2), and a stirring mechanism (15) is arranged inside the box, the top welding of footstock (6) installs pump (17), inlet pipe (18) are installed to the feed end flange of pump (17), the one end and box (16) fixed connection of pump (17) are kept away from in inlet pipe (18), second hose (19) are installed to the discharge end flange of pump (17), the front side rotation of diaphragm (11) is installed and is rolled coating roller (20), the one end of pump (17) is kept away from in second hose (19) with roll coating roller (20) fixed connection.

2. The roll coating device on the plate heat exchanger nickel brazing production line according to claim 1, characterized in that: the collecting box (4) is installed on the adjacent side wall of the supporting leg (3) in a welding mode, a first discharging pipe (5) is installed on a bottom flange of the collecting box (4), and a valve is arranged on the first discharging pipe (5).

3. The roll coating device on the plate heat exchanger nickel brazing production line according to claim 1, characterized in that: the driving mechanism (9) comprises a first sliding block (901), a sleeve (902), a mounting plate (903), a first motor (904), a rotating shaft (905), a first connecting rod (906), a second sliding block (907) and a second connecting rod (908), a sliding groove is formed in the top plate (8), an opening is formed in the bottom of the top plate (8), the first sliding block (901) is installed in the top plate (8) in a sliding mode, the sleeve (902) is arranged below the top plate (8), the mounting plate (903) is installed in the sleeve (902) in a welding mode, the first motor (904) is installed on the rear side of the mounting plate (903) in a welding mode, the rotating shaft (905) is installed on the front side of the mounting plate (903) in a rotating mode, an output shaft of the first motor (904) is fixedly connected with the rotating shaft (905) through a coupler, gears are installed on the top and the bottom of the inner side of the sleeve, and the gear meshes mutually, first connecting rod (906) are installed in the bottom welding of first slider (901), first connecting rod (906) vertically run through the opening and with sleeve (902) fixed connection, the spout has been seted up to the inside of footstock (6), the opening has all been seted up to the top and the bottom of footstock (6), the top slidable mounting of footstock (6) has second slider (907), second connecting rod (908) are installed in the top welding of second slider (907), second connecting rod (908) and sleeve (902) fixed connection.

4. The roll coating device on the plate heat exchanger nickel brazing production line according to claim 1, characterized in that: elevating system (10) are including casing (1001), second motor (1002), threaded rod (1003) and threaded sleeve (1004), casing (1001) are installed in the bottom welding of second slider (907), second motor (1002) are installed in the inboard bottom welding of casing (1001), the louvre has been seted up to the outer wall of casing (1001), threaded rod (1003) are installed in the bottom rotation of casing (1001), the output shaft of second motor (1002) passes through shaft coupling and threaded rod (1003) fixed connection, the cover is equipped with threaded sleeve (1004) on threaded rod (1003), the free end and diaphragm (11) fixed connection of threaded sleeve (1004).

5. The roll coating device on the plate heat exchanger nickel brazing production line according to claim 1, characterized in that: the absorption mechanism (14) comprises a pump body (1401), a first hose (1402), a suction hopper (1403), a discharge pipe (1404), a filter box (1405), a filter screen (1406) and a second discharge pipe (1407), the pump body (1401) is welded and installed at the top of the footstock (6), the first hose (1402) is installed on a feed end flange of the pump body (1401), the suction hopper (1403) is installed on a bottom flange of the transverse plate (11), one end, far away from the pump body (1401), of the first hose (1402) is fixedly connected with the suction hopper (1403), the discharge pipe (1404) is installed on a discharge end flange of the pump body (1401), the filter box (1405) is welded and installed on the outer wall of one side of the connecting rod (2), one end, far away from the pump body (1401), of the discharge pipe (1404) is fixedly connected with the filter box (1405), the filter screen (1406) is welded and installed inside the filter box (1405), the flange on the outer wall of, a valve is arranged on the second discharge pipe (1407).

6. The roll coating device on the plate heat exchanger nickel brazing production line according to claim 1, characterized in that: stirring mechanism (15) include third motor (1501), throw material pipe (1502), dwang (1503) and mix leaf (1504), third motor (1501) are installed in the top welding of box (16), the inboard top of box (16) is rotated and is installed dwang (1503), the output shaft of third motor (1501) passes through shaft coupling and dwang (1503) fixed connection, throw material pipe (1502) are installed to one side outer wall flange of box (16), the both sides outer wall of dwang (1503) is all welded and is installed stirring leaf (1504), the quantity of stirring leaf (1504) is eight groups.

7. The roll coating device on the plate heat exchanger nickel brazing production line according to claim 1, characterized in that: electric putter (12) are welded and installed at the top of diaphragm (11), and brush (13) are welded and installed at the free end of electric putter (12).