阅读说明：本技术 一种紧固件表面处理镀锌设备 (Fastener surface treatment galvanizing equipment ) 是由 郑慧彬 于 2021-04-30 设计创作，主要内容包括：本发明公开了一种紧固件表面处理镀锌设备,包括异形底座,所述异形底座的顶部固定连接有紧固件卡座,且异形底座的顶部活动连接有电动滑架,并且电动滑架的顶部固定有电动伸缩杆,而且电动伸缩杆的底部固定连接有异形连接架,所述异形连接架的内壁固定有微型伸缩杆。该紧固件表面处理镀锌设备,设置有电机带动旋转轴杆和网格钢板转动,使得进入钝化处理箱的紧固件可以随网格钢板转动在钝化液中翻转,并且通过调节旋转轴杆的转动周期,可对紧固件的钝化时间进行控制,该镀锌设备钝化处理效果好,钝化液可以均匀接触紧固件的表面,处理时间便于控制,使得钝化的效果较好,不易出现钝化漏洞,从而提高了紧固件的品质,有利于紧固件的长久使用。(The invention discloses a fastener surface treatment galvanizing device which comprises a special-shaped base, wherein a fastener clamping seat is fixedly connected to the top of the special-shaped base, an electric sliding frame is movably connected to the top of the special-shaped base, an electric telescopic rod is fixedly arranged on the top of the electric sliding frame, a special-shaped connecting frame is fixedly connected to the bottom of the electric telescopic rod, and a micro telescopic rod is fixedly arranged on the inner wall of the special-shaped connecting frame. This fastener surface treatment galvanizing equipment, it drives rotatory axostylus axostyle and the rotation of net steel sheet to be provided with the motor, make the fastener that gets into the passivation treatment case can rotate along with the net steel sheet and overturn in the passivation solution, and through the rotation cycle of adjusting rotatory axostylus axostyle, can control the passivation time of fastener, this galvanizing equipment passivation treatment is effectual, passivation solution can even contact fastener's surface, the handling time is convenient for control, make the effect of passivation better, be difficult for appearing the passivation leak, thereby the quality of fastener has been improved, be favorable to the permanent use of fastener.)

1. The utility model provides a fastener surface treatment galvanizing equipment, includes special-shaped base (1), its characterized in that: the top of the special-shaped base (1) is fixedly connected with a fastener clamping seat (2), the top of the special-shaped base (1) is movably connected with an electric carriage (3), the top of the electric carriage (3) is fixedly provided with an electric telescopic rod (4), the bottom of the electric telescopic rod (4) is fixedly connected with a special-shaped connecting frame (5), the inner wall of the special-shaped connecting frame (5) is fixedly provided with a micro telescopic rod (6), one end of the micro telescopic rod (6) is fixedly connected with a pushing connecting plate (7), the bottom of the pushing connecting plate (7) is fixedly connected with a movable clamp (8), the top of the special-shaped base (1) is fixedly provided with a hot galvanizing processing box (9), the outer wall of the hot galvanizing processing box (9) is provided with a heat preservation layer (10), an electric heating wire (11) is fixedly arranged inside the hot galvanizing processing box (9), and hot zinc liquid (12) is arranged inside the hot galvanizing processing box (9), the special-shaped base is characterized in that a passivation treatment box (13) is fixed to the top of the special-shaped base (1), a feeding sliding hopper (14) is fixedly connected to the top of the passivation treatment box (13), a motor (15) is fixed to the interior of the passivation treatment box (13), an output shaft of the motor (15) is fixedly connected with a rotating shaft rod (16) through a coupler, a grid steel plate (17) is fixedly installed on the outer wall of the rotating shaft rod (16), a connecting water pipe (18) is fixedly connected to the bottom of the passivation treatment box (13), a water control valve (19) is fixedly connected to one end of the connecting water pipe (18), a groove (20) is formed in the side wall of the special-shaped base (1), a water pump (21) is fixed to the inner wall of the groove (20), a water outlet valve (22) is fixedly connected to one side of the water pump (21), and a finished product collection box (23) is movably connected to the top of the special-shaped base (1), and the top of dysmorphism base (1) is fixed with fixed frame plate (24) to dysmorphism spout (25) have been seted up to the lateral wall of fixed frame plate (24), and the inner wall swing joint of dysmorphism spout (25) scrapes material pole (26), the first electric putter (27) of one side fixedly connected with of fixed frame plate (24), and the one end fixedly connected with connecting block (28) of first electric putter (27), and the bottom fixedly connected with second electric putter (29) of connecting block (28), the bottom fixedly connected with of second electric putter (29) inhales iron stone piece (30) moreover.

2. The fastener surface treatment galvanizing device of claim 1, wherein: the top of the electric telescopic rod (4) is fixedly connected with the bottom of the electric sliding frame (3), the bottom of the electric telescopic rod (4) is fixedly connected with the top of the special-shaped connecting frame (5), and the special-shaped connecting frame (5) is fixed under the electric sliding frame (3) through the electric telescopic rod (4).

3. The fastener surface treatment galvanizing device of claim 1, wherein: the movable clamp (8) is fixedly connected with the special-shaped connecting frame (5) through the pushing connecting plate (7), the number of the movable clamp (8) is 24, each 12 movable clamps (8) are 1 group, and 2 groups of the movable clamps (8) are arranged at the bottom of the special-shaped connecting frame (5) in parallel.

4. The fastener surface treatment galvanizing device of claim 1, wherein: the top of the passivation treatment box (13) is fixedly connected with the bottom of the feeding sliding hopper (14), and the passivation treatment box (13) and the feeding sliding hopper (14) form an integrated structure.

5. The fastener surface treatment galvanizing device of claim 1, wherein: the motor (15), the rotating shaft rod (16) and the grid steel plate (17) form a rotating structure, the motor (15) drives the rotating shaft rod (16) and the grid steel plate (17) to rotate, and the rotating period of the rotating shaft rod (16) is that the rotating shaft rod rotates 60 degrees clockwise every minute.

6. The fastener surface treatment galvanizing device of claim 1, wherein: the outer wall of rotatory axostylus axostyle (16) and the inner wall fixed connection of net steel sheet (17), and the quantity of net steel sheet (17) is 6, and 6 even settings in the outer wall of rotatory axostylus axostyle (16) of net steel sheet (17).

7. The fastener surface treatment galvanizing device of claim 1, wherein: the scraping rod (26) and the fixed frame plate (24) form a sliding structure through the special-shaped sliding groove (25), the scraping rod (26) slides along the inner wall of the special-shaped sliding groove (25), and the inner size of the special-shaped sliding groove (25) is completely matched with the outer size of the scraping rod (26).

8. The fastener surface treatment galvanizing device of claim 1, wherein: first electric putter (27) constitute fixed knot through connecting block (28) and second electric putter (29) and construct, and the avris fixed connection of the tip of first electric putter (27) and connecting block (28), and the top fixed connection of the bottom of connecting block (28) and second electric putter (29).

Technical Field

The invention relates to the technical field of surface treatment, in particular to a fastener surface treatment galvanizing device.

Background

The galvanization refers to a surface treatment technology for plating a layer of zinc on the surface of metal, alloy or other materials to play the roles of beauty, rust prevention and the like, the mainly adopted method is hot galvanizing, the zinc is easily dissolved in acid and alkali, so the zinc is called amphoteric metal, the zinc hardly changes in dry air, a compact basic zinc carbonate film can be generated on the zinc surface in humid air, the protective property and the decorative property of a zinc coating can be obviously improved after the zinc coating is passivated, dyed or coated with a light protecting agent, along with the development of the galvanization process, the galvanization enters the protective-decorative application from the pure protective purpose by adopting a high-performance galvanization brightener, but the existing galvanization equipment has certain defects, such as:

1. the existing galvanizing equipment generally has poor passivation treatment effect, passivation solution cannot uniformly contact the surface of the fastener, and the treatment time is not convenient to control, so that the passivation treatment effect is poor, passivation holes easily appear, the quality of the fastener is influenced, and the long-term use of the fastener is not facilitated.

2. The existing galvanizing equipment is not convenient for batch galvanizing generally, the common galvanizing equipment cannot clamp fasteners in batch, the clamping work efficiency is low, the mass production of the fasteners is not facilitated, and the galvanizing equipment is not beneficial to the galvanizing processing of small parts such as the fasteners.

3. The existing galvanizing equipment generally has poor heating and heat-insulating effects on molten zinc, and the electric heating wire is usually positioned in the molten zinc, so that the heating is not uniform enough, the processing box does not have the heat-insulating effect, the heat loss of the molten zinc is fast, and the inconvenience is brought to the use of the galvanizing equipment.

Aiming at the problems, innovative design is urgently needed on the basis of the structure of the original galvanizing equipment.

Disclosure of Invention

The invention aims to provide a fastener surface treatment galvanizing device, and aims to solve the problems that the passivation treatment effect is poor, passivation solution cannot uniformly contact the surface of a fastener, the treatment time is inconvenient to control, passivation holes are easy to appear, the fastener is not convenient to use for a long time, batch galvanizing is inconvenient, common galvanizing devices cannot clamp the fastener in batch, the clamping working efficiency is low, the fastener is not convenient to produce in batch, the galvanizing devices are not suitable for galvanizing processing of small parts such as the fastener, the heating and heat preservation effects on the galvanizing solution are poor, an electric heating wire is usually positioned in the galvanizing solution, the heating is not uniform enough, a processing box does not have a heat preservation effect, and the heat loss of the galvanizing solution is rapid.

In order to achieve the purpose, the invention provides the following technical scheme: a fastener surface treatment galvanizing device comprises a special-shaped base, wherein a fastener clamping seat is fixedly connected to the top of the special-shaped base, an electric sliding frame is movably connected to the top of the special-shaped base, an electric telescopic rod is fixedly arranged at the top of the electric sliding frame, a special-shaped connecting frame is fixedly connected to the bottom of the electric telescopic rod, a micro telescopic rod is fixedly arranged on the inner wall of the special-shaped connecting frame, a pushing connecting plate is fixedly connected to one end of the micro telescopic rod, a movable clamp is fixedly connected to the bottom of the pushing connecting plate, a hot galvanizing processing box is fixedly arranged at the top of the special-shaped base, a heat insulation layer is arranged on the outer wall of the hot galvanizing processing box, an electric heating wire is fixedly arranged inside the hot galvanizing processing box, hot galvanizing liquid is arranged inside the hot galvanizing processing box, a passivation processing box is fixedly arranged at the top of the special-shaped base, and a feeding sliding hopper is fixedly connected to the top of the passivation processing box, a motor is fixed inside the passivation treatment box, an output shaft of the motor is fixedly connected with a rotating shaft rod through a coupler, a grid steel plate is fixedly installed on the outer wall of the rotating shaft rod, a connecting water pipe is fixedly connected to the bottom of the passivation treatment box, a water control valve is fixedly connected to one end of the connecting water pipe, a groove is formed in the side wall of the special-shaped base, a water pump is fixed on the inner wall of the groove, a water outlet valve is fixedly connected to one side of the water pump, a finished product collecting box is movably connected to the top of the special-shaped base, a fixing frame plate is fixed to the top of the special-shaped base, a special-shaped chute is formed in the side wall of the fixing frame plate, a scraping rod is movably connected to the inner wall of the special-shaped chute, a first electric push rod is fixedly connected to one side of the fixing frame plate, a connecting block is fixedly connected to one end of the first electric push rod, and a second electric push rod is fixedly connected to the bottom of the connecting block, and the bottom fixedly connected with of second electric putter inhales the iron stone piece.

Preferably, the top of the electric telescopic rod is fixedly connected with the bottom of the electric carriage, the bottom of the electric telescopic rod is fixedly connected with the top of the special-shaped connecting frame, and the special-shaped connecting frame is fixed under the electric carriage through the electric telescopic rod.

Preferably, the movable clamp is fixedly connected with the special-shaped connecting frame by pushing the connecting plate, the number of the movable clamp is 24, each 12 movable clamps is 1 group, and 2 groups of the movable clamps are arranged at the bottom of the special-shaped connecting frame in parallel.

Preferably, the top of the passivation treatment box is fixedly connected with the bottom of the feeding sliding hopper, and the passivation treatment box and the feeding sliding hopper form an integrated structure.

Preferably, motor, rotatory axostylus axostyle and net steel sheet constitute revolution mechanic, and the motor drives rotatory axostylus axostyle and net steel sheet and rotates, and the rotation cycle of rotatory axostylus axostyle is that every minute clockwise rotates 60 degrees.

Preferably, the outer wall of rotatory axostylus axostyle and the inner wall fixed connection of net steel sheet, and the quantity of net steel sheet is 6, and 6 even settings of net steel sheet are at the outer wall of rotatory axostylus axostyle.

Preferably, the scraping rod and the fixed frame plate form a sliding structure through the special-shaped sliding groove, the scraping rod slides along the inner wall of the special-shaped sliding groove, and the inner size of the special-shaped sliding groove is completely matched with the outer size of the scraping rod.

Preferably, the first electric push rod and the second electric push rod form a fixed structure through a connecting block, the end of the first electric push rod is fixedly connected with the side of the connecting block, and the bottom of the connecting block is fixedly connected with the top of the second electric push rod.

Compared with the prior art, the invention has the beneficial effects that: the fastener surface treatment galvanizing equipment;

1. the galvanized equipment has the advantages that the motor is arranged to drive the rotating shaft rod and the grid steel plate to rotate, so that the fastener entering the passivation treatment box can turn over in the passivation solution along with the rotation of the grid steel plate, the passivation time of the fastener can be controlled by adjusting the rotation period of the rotating shaft rod, the passivation treatment effect of the galvanized equipment is good, the passivation solution can uniformly contact the surface of the fastener, the treatment time is convenient to control, the passivation treatment effect is good, passivation holes are not easy to appear, the quality of the fastener is improved, and the long-term use of the fastener is facilitated;

2. the improved galvanizing equipment can clamp fasteners in batch, the clamping working efficiency is high, the mass production of the fasteners is facilitated, and the galvanizing equipment is suitable for the galvanizing processing of small parts such as the fasteners;

3. be provided with a plurality of electric heating wire and evenly lay in the tank wall of hot-galvanize processing case, make the heating of zinc liquid more even, and be provided with special heat preservation at the outer wall of hot-galvanize processing case, reduce the heat loss of zinc liquid, this galvanizing equipment is better to the heating heat preservation effect of zinc liquid, electric heating wire evenly lays in hot-galvanize processing case, make the heating more even, the processing case has the heat preservation effect, the heat loss speed of zinc liquid has been reduced, the use of giving galvanizing equipment has brought the facility.

Drawings

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

FIG. 2 is a schematic view of the structural connection between the special-shaped base and the electric carriage according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is a schematic view of a front view structure of the special-shaped base of the present invention;

FIG. 6 is a schematic cross-sectional structural view of the special-shaped connecting frame of the present invention;

FIG. 7 is a schematic view of the structural connection between the rotating shaft and the grid steel plate according to the present invention;

FIG. 8 is a schematic front sectional view of the passivation treatment box of the present invention.

In the figure: 1. a special-shaped base; 2. a fastener cartridge; 3. an electric carriage; 4. an electric telescopic rod; 5. a special-shaped connecting frame; 6. a miniature telescopic rod; 7. pushing the connecting plate; 8. a movable clamp; 9. hot galvanizing processing box; 10. a heat-insulating layer; 11. an electric heating wire; 12. hot zinc liquid; 13. a passivation treatment box; 14. a feeding sliding hopper; 15. a motor; 16. rotating the shaft lever; 17. a grid steel plate; 18. connecting a water pipe; 19. a water control valve; 20. a groove; 21. a water pump; 22. a water outlet valve; 23. a finished product collecting box; 24. fixing the frame plate; 25. a special-shaped chute; 26. a scraping rod; 27. a first electric push rod; 28. connecting blocks; 29. a second electric push rod; 30. and absorbing the iron blocks.

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. 1-8, the present invention provides a technical solution: a fastener surface treatment galvanizing equipment comprises a special-shaped base 1, a fastener clamping seat 2, an electric sliding frame 3, an electric telescopic rod 4, a special-shaped connecting frame 5, a micro telescopic rod 6, a pushing connecting plate 7, a movable clamp 8, a hot galvanizing processing box 9, a heat insulating layer 10, an electric heating wire 11, hot zinc liquid 12, a passivation processing box 13, a feeding sliding hopper 14, a motor 15, a rotating shaft rod 16, a grid steel plate 17, a connecting water pipe 18, a water control valve 19, a groove 20, a water pump 21, a water outlet valve 22, a finished product collecting box 23, a fixed frame plate 24, a special-shaped sliding groove 25, a scraping rod 26, a first electric push rod 27, a connecting block 28, a second electric push rod 29 and a magnet block 30, wherein the fastener clamping seat 2 is fixedly connected to the top of the special-shaped base 1, the electric sliding frame 3 is movably connected to the top of the special-shaped base 1, and the electric telescopic rod 4 is fixed to the top of the electric sliding frame 3, and the bottom of the electric telescopic rod 4 is fixedly connected with a special-shaped connecting frame 5, the inner wall of the special-shaped connecting frame 5 is fixed with a micro telescopic rod 6, one end of the micro telescopic rod 6 is fixedly connected with a pushing connecting plate 7, the bottom of the pushing connecting plate 7 is fixedly connected with a movable clamp 8, the top of the special-shaped base 1 is fixed with a hot galvanizing processing box 9, the outer wall of the hot galvanizing processing box 9 is provided with a heat insulating layer 10, the inside of the hot galvanizing processing box 9 is fixed with an electric heating wire 11, the inside of the hot galvanizing processing box 9 is provided with hot zinc liquid 12, the top of the special-shaped base 1 is fixed with a passivation processing box 13, the top of the passivation processing box 13 is fixedly connected with a feeding sliding hopper 14, the inside of the passivation processing box 13 is fixed with a motor 15, the output shaft of the motor 15 is fixedly connected with a rotating shaft lever 16 through a coupler, and the outer wall of the rotating shaft lever 16 is fixedly provided with a grid steel plate 17, the bottom fixedly connected with of passivation treatment case 13 connects water pipe 18, and the one end fixedly connected with water control valve 19 of connecting water pipe 18, recess 20 has been seted up to the lateral wall of dysmorphism base 1, and the inner wall of recess 20 is fixed with water pump 21, and one side fixedly connected with outlet valve 22 of water pump 21, the top swing joint of dysmorphism base 1 has finished product collecting box 23, and the top of dysmorphism base 1 is fixed with fixed frame plate 24, and special-shaped spout 25 has been seted up to the lateral wall of fixed frame plate 24, and the inner wall swing joint of special-shaped spout 25 scrapes material pole 26, the first electric putter 27 of one side fixedly connected with of fixed frame plate 24, and the one end fixedly connected with connecting block 28 of first electric putter 27, and the bottom fixedly connected with second electric putter 29 of connecting block 28, and the bottom fixedly connected with of second electric putter 29 inhales iron stone block 30.

The top of the electric telescopic rod 4 is fixedly connected with the bottom of the electric carriage 3, the bottom of the electric telescopic rod 4 is fixedly connected with the top of the special-shaped connecting frame 5, the special-shaped connecting frame 5 is fixed under the electric carriage 3 through the electric telescopic rod 4, and the electric telescopic rod 4 is arranged, so that the connection of the special-shaped connecting frame 5 is facilitated, and the vertical adjustment and movement of the special-shaped connecting frame 5 are facilitated;

the movable clamp 8 is fixedly connected with the special-shaped connecting frame 5 through the pushing connecting plate 7, the number of the movable clamp 8 is 24, each 12 movable clamps 8 is 1 group, the 2 groups of the movable clamps 8 are arranged at the bottom of the special-shaped connecting frame 5 in parallel, and the plurality of the movable clamps 8 are conveniently controlled by pushing the connecting plate 7 through the movable clamps 8 arranged in parallel;

the top of the passivation treatment box 13 is fixedly connected with the bottom of the feeding sliding hopper 14, the passivation treatment box 13 and the feeding sliding hopper 14 form an integrated structure, and the fastening piece can be conveniently put into the passivation treatment box 13 through the arranged feeding sliding hopper 14;

the motor 15, the rotating shaft lever 16 and the grid steel plate 17 form a rotating structure, the motor 15 drives the rotating shaft lever 16 and the grid steel plate 17 to rotate, the rotating period of the rotating shaft lever 16 is 60 degrees clockwise per minute, and power is provided for the rotating shaft lever 16 and the grid steel plate 17 to rotate through the arranged motor 15, so that the fastener can be turned inside the passivation treatment box 13;

the outer wall of the rotating shaft lever 16 is fixedly connected with the inner wall of the grid steel plates 17, the number of the grid steel plates 17 is 6, the 6 grid steel plates 17 are uniformly arranged on the outer wall of the rotating shaft lever 16, and the included angles among the grid steel plates 17 are 60 degrees through the uniformly arranged grid steel plates 17, so that the periodic rotation matched with the rotating shaft lever 16 is facilitated;

the scraping rod 26 and the fixed frame plate 24 form a sliding structure through the special-shaped sliding groove 25, the scraping rod 26 slides along the inner wall of the special-shaped sliding groove 25, the inner size of the special-shaped sliding groove 25 is completely matched with the outer size of the scraping rod 26, and the sliding direction of the scraping rod 26 is limited through the arranged special-shaped sliding groove 25, so that the scraping rod 26 can slide along the special-shaped sliding groove 25 to scrape off the fastening piece adsorbed at the bottom of the magnet block 30;

first electric putter 27 constitutes fixed knot through connecting block 28 and second electric putter 29 and constructs, and the avris fixed connection of the tip of first electric putter 27 and connecting block 28, and the bottom of connecting block 28 and the top fixed connection of second electric putter 29, through the connecting block 28 that sets up, has made things convenient for first electric putter 27 and second electric putter 29's connection.

The working principle is as follows: when the fastener surface treatment galvanizing equipment is used, according to the figures 1-8, a worker inserts a fastener to be processed into a fastener clamping seat 2 at the top of a special-shaped base 1, starts an electric carriage 3, moves the electric carriage 3 along the top of the special-shaped base 1 until a movable clamp 8 is positioned right above the fastener, extends a micro telescopic rod 6 to drive a pushing connecting plate 7 to move, opens a plurality of movable clamps 8 fixed right below the pushing connecting plate 7 along with the movement of the pushing connecting plate 7, synchronously opens the plurality of movable clamps 8, starts an electric telescopic rod 4 after opening the movable clamp 8, drives a special-shaped connecting frame 5 to move downwards until the fastener is positioned at an opening of the movable clamp 8, contracts the micro telescopic rod 6 to drive the pushing connecting plate 7 to move, closes the movable clamp 8, starts the electric telescopic rod 4 and the electric carriage 3 again, and takes out the fastener clamped by the movable clamp 8, and is inserted into hot zinc liquid 12 of a hot galvanizing processing box 9, a plurality of electric heating wires 11 are uniformly arranged in the wall of the hot galvanizing processing box 9, so that the zinc liquid is heated more uniformly, a special heat insulation layer 10 is arranged on the outer wall of the hot galvanizing processing box 9, the heat loss of the zinc liquid is reduced, after the hot zinc liquid 12 is soaked, a fastening piece is taken out by using an electric telescopic rod 4 and is dried right above the hot galvanizing processing box 9, after the hot galvanizing processing box is stood for a period of time, the fastening piece is put into a passivation processing box 13 from a feeding sliding hopper 14, passivation liquid is arranged in the passivation processing box 13 in advance, a motor 15 drives a rotating shaft lever 16 and a grid steel plate 17 to rotate, so that the fastening piece entering the passivation processing box 13 can turn over in the passivation liquid along with the rotation of the grid steel plate 17, and the passivation time of the fastening piece can be controlled by adjusting the rotation period of the rotating shaft lever 16, and after the passivation processing is finished, utilize first electric putter 27 and second electric putter 29, move inhaling iron stone block 30 to passivation treatment case 13 in, the fastener receives the attraction of inhaling iron stone block 30, adsorb and be taken out passivation treatment case 13 in inhaling iron stone block 30 bottom, hold the one end of scraping material pole 26 and remove along special-shaped spout 25 and scrape material pole 26, the fastener that will adsorb at inhaling iron stone block 30 top is scraped off, and fall into finished product collecting box 23, passivation liquid in passivation treatment case 13 needs regularly to be changed in order to maintain the passivation effect, passivation treatment case 13 bottom fixedly connected with two connecting water pipe 18, left connecting water pipe 18 is intake, the connecting water pipe 18 on right side goes out water, the speed of the steerable business turn over water of design of water control valve 19.

Those not described in detail in this specification are within the skill of the art.

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.