CN112048729A

CN112048729A - Environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device

Info

Publication number: CN112048729A
Application number: CN202010956732.3A
Authority: CN
Inventors: 张朋
Original assignee: Hangzhou Haike Hanghuan Technology Co ltd
Current assignee: Hangzhou Haike Hanghuan Technology Co ltd
Priority date: 2020-09-12
Filing date: 2020-09-12
Publication date: 2020-12-08

Abstract

The invention provides an environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device, which comprises a pickling tank, wherein the bottom wall of the pickling tank is connected with a first motor, the output end of the first motor is connected with a rotating shaft, one end of the rotating shaft, which is far away from the first motor, penetrates through the pickling tank and is connected with a first gear, the top of the first gear is connected with a filter screen cylinder, a metal workpiece is placed in the filter screen cylinder, the inner wall of the pickling tank is connected with a rack ring, a second gear is meshed and connected between the rack ring and the first gear, the outer wall of the second gear is connected with a conveying pipe, uniformly distributed discharge holes are drilled in the outer wall of the conveying pipe, and a rotating rod is rotatably; according to the invention, the hydrochloric acid is added into the pickling tank, so that the concentration of the pickling solution in the pickling tank is ensured to be sufficient, the pickling effect and the pickling efficiency on the alloy workpiece are further ensured, and the qualification rate of the finished product is further ensured.

Description

Environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device

Technical Field

The invention relates to the technical field of alloy processing and pickling devices, in particular to an environment-friendly nickel-iron-chromium electrothermal alloy pickling device.

Background

At present, the electrothermal alloy mainly comprises two types: one is iron-chromium-aluminum alloy of ferrite structure; the other is austenitic nickel-chromium alloy, which has different structures and different properties, but as an electrothermal material, the two alloys have many advantages, so that the alloy is produced and widely used in various countries, the electrothermal alloy has a plurality of processing procedures, such as wire drawing, hot rolling and cold rolling, and the electrothermal alloy needs to be pickled after being formed, and the conventional hydrochloric acid pickling technology is common.

The method of removing scale and rust on the surface of steel by using an acid solution is called pickling, which is a method of cleaning the surface of metal, and is generally carried out together with a pre-film, and generally, a pre-treatment or an intermediate treatment of a process such as plating, enameling, rolling, etc. is carried out by immersing an article in an aqueous solution such as hydrochloric acid to remove a thin film such as oxide on the surface of metal.

However, in the pickling process, hydrochloric acid is consumed by the metal parts, the concentration of the pickling solution is diluted through the reaction, the subsequent pickling efficiency of the metal parts is affected, the subsequent pickling effect of the alloy is insufficient, and the qualification rate of the final product is reduced.

Disclosure of Invention

The invention aims to solve the problem that the concentration of pickling solution is diluted after reaction to cause insufficient pickling effect on subsequent alloy in the prior art, and provides an environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device, includes the descaling bath, the diapire of descaling bath is connected with first motor, the output of first motor is connected with the axis of rotation, the one end that first motor was kept away from to the axis of rotation passes the descaling bath and is connected with first gear, the top of first gear is connected with the filter screen section of thick bamboo, metal parts have been placed in the filter screen section of thick bamboo, descaling bath inner wall connection has the rack ring, the meshing is connected with the second gear between rack ring and the first gear, second gear outer wall connection has the conveying pipeline, the discharge opening that evenly distributed has been dug to the conveying pipeline outer wall, be connected with the dwang through the bearing rotation in the second gear, the dwang rotates to be connected in the conveying pipeline, the top of conveying pipeline is connected with the feed chute, the feed chute outer wall connection has the second motor, the output of second motor passes the feed chute, and a blanking mechanism is arranged in the feed chute.

Preferably, unloading mechanism is including the lid stopper, lid stopper sliding connection is at the outer wall of dwang, dwang outer wall connection has the gib block, the division has the guide way with gib block matched with in the lid stopper, the lid stopper offsets with the inner wall activity of feed chute, the feed chute inner wall is connected with the filter screen, the diapire of lid stopper is connected with the ejector pin, the ejector pin offsets with the top activity of filter screen, the dwang outer wall has cup jointed first elastic element, first elastic element arranges in between the inner wall of lid stopper and feed chute.

Preferably, the inner wall of the feeding groove is connected with a fixed rod, the outer wall of the fixed rod is connected with a swing rod in a rotating mode, a second elastic element is connected between the swing rod and the inner wall of the feeding groove, the outer wall of the swing rod is connected with a rubber hammer, the rubber hammer is movably abutted to the bottom wall of the filter screen, the outer wall of the swing rod is connected with a cam, and the cam is movably abutted to the swing rod.

Preferably, the outer wall of the rotating rod is fixedly provided with a spiral conveying blade, and the spiral conveying blade is arranged in the conveying pipe.

Preferably, the one end that the feed chute was kept away from to the dwang is connected with the slider, the diapire of descaling bath is opened and is chiseled the spout that has with slider matched with.

Preferably, the filter screen cylinder includes barrel and cover, the barrel outer wall has set firmly the external screw thread, the cover inner wall has set firmly with external screw thread matched with internal thread, just the barrel is connected with first elasticity filter screen and second elasticity filter screen respectively with the cover inner wall, the metal finished piece is arranged in between first elasticity filter screen and the second elasticity filter screen.

Preferably, the outer wall of the rotating shaft is connected with a first bevel gear, the outer wall of the rotating shaft is connected with a fixing frame, the first bevel gear rotates to be connected to the inner wall of the fixing frame, the inner walls of the two sides of the fixing frame are connected with first rotating shafts, the outer wall of the first rotating shaft is connected with second bevel gears meshed with the first bevel gears, one ends, far away from the second bevel gears, of the first rotating shafts penetrate through the fixing frame and are connected with half gears, the outer walls of the half gears are meshed with rack plates, and the rack plates are connected to the bottom wall of the first elastic.

Preferably, the outer wall of the first gear is provided with a through hole, and the rack plate is slidably connected in the through hole.

Preferably, the outer wall of the pickling tank is connected with a heating shell, a heating pipe is arranged between the heating shell and the pickling tank, and the inner wall of the heating shell is connected with a heat-insulating layer.

Preferably, the heating pipe is a spiral pipe, and the spiral pipe is wound on the outer wall of the pickling tank.

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

1. the environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device comprises a cover plug, a first motor, a second motor, a rotating rod, a second motor, a filter screen, a cover plug, a pickling solution and a pickling solution, wherein the cover plug is abutted against the inner wall of a feeding groove, hydrochloric acid is poured into the feeding groove, the first motor is controlled to operate, the output end of the first motor drives a first gear to be meshed with a second gear, the second gear rotates around the rotating rod, the rotating rod drives the rotating rod to move, the cover plug on the outer side of the rotating rod intermittently extrudes the filter screen, the cover plug vertically reciprocates on the outer side of the rotating rod, gaps are formed between the cover plug and the inner wall of the feeding groove, the hydrochloric acid falls into a conveying pipe from the gaps and is discharged into the pickling groove through a discharge hole on the outer side of the conveying pipe, the conveying pipe rotates in the pickling groove along with the second gear, the hydrochloric acid is uniformly sprayed into the pickling groove, the pickling solution in, thereby ensuring the qualification rate of finished products.

2. According to the environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device, the swinging rod is extruded by the cam, the swinging rod rotates by taking the fixed rod as a circle center, the second elastic element is compressed, and then the rubber hammer strikes the filter screen, so that hydrochloric acid scattered on the filter screen falls into the conveying pipeline from the meshes.

3. This environment-friendly nickel iron chromium electrothermal alloy pickling processing apparatus, through the bottom at the dwang link block, makes the slider slide in the spout, is favorable to improving the stability that the dwang removed along with the second gear.

4. This environment-friendly nickel iron chromium electrothermal alloy pickling processing apparatus, through the first bevel gear in the axis of rotation outside and the second bevel gear intermeshing in the first axis of rotation outside, make second bevel gear drive first pivot and rotate, make the pinion and the rack plate intermittent type meshing in the first axis of rotation outside, make rack plate reciprocating motion from top to bottom in the through-hole, when rack plate and pinion mesh, rack plate drives the pull-down of first elastic filter screen and produces deformation, when the pinion does not mesh with rack plate, first elastic filter screen resumes deformation and upwards plays, will arrange the metal finished piece on first elastic filter screen and bounce, make metal finished piece move about between first elastic filter screen and second elastic filter screen, the contact surface of transform metal finished piece and pickle, can accelerate pickling speed, avoid appearing some difficult abluent dead angles.

5. This environment-friendly nickel iron chromium electrothermal alloy pickling processing apparatus through set up the heating casing in the descaling bath outside, makes the pickling liquid temperature of heating pipe control descaling bath, guarantees the quality of pickling.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure of a feed delivery pipe and a feed chute according to the present invention;

FIG. 4 is a schematic structural view of the fixing frame of the present invention;

FIG. 5 is a schematic diagram of a screen cartridge of the present invention;

FIG. 6 is a schematic structural view of portion A of FIG. 2 according to the present invention;

fig. 7 is a schematic structural diagram of a portion B in fig. 3 according to the present invention.

Wherein the figures include the following reference numerals:

1. a pickling tank; 2. a first motor; 201. a rotating shaft; 2011. a first bevel gear; 3. a first gear; 301. a through hole; 4. a screen cylinder; 401. a barrel; 4011. an external thread; 4012. a first elastic filter screen; 402. a cylinder cover; 4021. an internal thread; 4022. a second elastic filter screen; 5. a metal part; 6. a rack ring; 7. rotating the rod; 701. a second gear; 702. covering and plugging; 703. a top rod; 704. a first elastic element; 705. a screw conveying blade; 706. a slider; 707. a cam; 8. a delivery pipe; 801. a discharge hole; 9. a feed chute; 901. fixing the rod; 902. a swing lever; 903. a second elastic element; 904. a rubber hammer; 10. a filter screen; 11. a chute; 12. a fixed mount; 121. a first rotating shaft; 122. a second bevel gear; 123. a half gear; 13. a rack plate; 14. heating the housing; 141. heating a tube; 142. a heat-insulating layer; 15. a guide strip; 16. a guide groove; 17. a second motor.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1, 2, 3 and 7, an environment-friendly ni-fe-cr electrothermal alloy pickling device comprises a pickling tank 1, wherein a first motor 2 is connected to the bottom wall of the pickling tank 1, a rotating shaft 201 is connected to the output end of the first motor 2, one end of the rotating shaft 201, which is far away from the first motor 2, passes through the pickling tank 1 and is connected with a first gear 3, the top of the first gear 3 is connected with a screen cylinder 4, a metal part 5 is placed in the screen cylinder 4, a rack ring 6 is connected to the inner wall of the pickling tank 1, a second gear 701 is engaged and connected between the rack ring 6 and the first gear 3, a conveying pipe 8 is connected to the outer wall of the second gear 701, discharge holes 801 are uniformly distributed on the outer wall of the conveying pipe 8, a rotating rod 7 is rotatably connected to the inside of the second gear 701 through a bearing, the rotating rod 7 is rotatably connected to the inside of the conveying pipe 8, a feed chute 9 is connected to, the output end of the second motor 17 passes through the feed chute 9 and is connected with the rotating rod 7, a blanking mechanism is arranged in the feed chute 9, the blanking mechanism comprises a cover plug 702, the cover plug 702 is slidably connected with the outer wall of the rotating rod 7, the outer wall of the rotating rod 7 is connected with a guide strip 15, a guide groove 16 matched with the guide strip 15 is formed in the cover plug 702, the cover plug 702 is abutted to the inner wall of the feed chute 9, the inner wall of the feed chute 9 is connected with a filter screen 10, the bottom wall of the cover plug 702 is connected with a top rod 703, the top rod 703 is abutted to the top activity of the filter screen 10, a first elastic element 704 is sleeved on the outer wall of the rotating rod 7, and the first elastic element 704 is arranged.

In specific implementation, the metal workpiece 5 is placed in the screen cylinder 4, then the lid plug 702 is abutted against the inner wall of the feed chute 9, solid hydrochloric acid is poured into the feed chute 9, the operation of the first motor 2 is controlled, the output end of the first motor 2 drives the first gear 3 to be meshed with the second gear 701, the second gear 701 rotates around the rotating shaft 201, the second gear 701 drives the rotating rod 7 to move, then the second motor 17 is controlled to drive the rotating rod 7 to rotate, the lid plug 702 on the outer side of the rotating rod 7 intermittently extrudes the filter screen 10, the lid plug 702 reciprocates up and down on the outer side of the rotating rod 7, so that a gap appears between the lid plug 702 and the inner wall of the feed chute 9, hydrochloric acid falls into the feed pipe 8 from the gap and is discharged into the pickling chute 1 through the discharge hole 801 on the outer side of the feed pipe 8, and the feed pipe 8 rotates in the pickling chute 1 along with the second gear 701, so that the hydrochloric acid can be uniformly sprinkled into the pickling chute 1, and the effect of uniform stirring is achieved, so that the concentration of pickling solution at each position in the pickling tank 1 is uniform, the pickling effect and the pickling efficiency of the alloy workpiece are further ensured, and the qualification rate of the finished product is further ensured.

Example 2:

referring to fig. 2, 4, 5 and 6, an environment-friendly ni-fe-cr electro-thermal alloy pickling apparatus is substantially the same as that in embodiment 1, further, a filter cylinder 4 includes a cylinder 401 and a cylinder cover 402, an external thread 4011 is fixedly disposed on an outer wall of the cylinder 401, an internal thread 4021 matched with the external thread 4011 is fixedly disposed on an inner wall of the cylinder cover 402, a first elastic filter screen 4012 and a second elastic filter screen 4022 are respectively connected to inner walls of the cylinder 401 and the cylinder cover 402, a metal part 5 is disposed between the first elastic filter screen 4012 and the second elastic filter screen 4022, a first bevel gear 2011 is connected to an outer wall of a rotating shaft 201, a fixed frame 12 is connected to an outer wall of the rotating shaft 201, the first bevel gear 2011 is rotatably connected to an inner wall of the fixed frame 12, a first rotating shaft 121 is connected to inner walls on two sides of the fixed frame 12, a second bevel gear 122 engaged with the first bevel gear 2011 is connected to an outer wall of the first rotating shaft 121, the outer wall of the half gear 123 is engaged with a rack plate 13, the rack plate 13 is connected to the bottom wall of the first elastic filter screen 4012, a through hole 301 is formed in the outer wall of the first gear 3, and the rack plate 13 is slidably connected to the through hole 301.

Through the mutual meshing of the first bevel gear 2011 on the outer side of the rotating shaft 201 and the second bevel gear 122 on the outer side of the first rotating shaft 121, the second bevel gear 122 drives the first rotating shaft 121 to rotate, the semi-gear 123 on the outer side of the first rotating shaft 121 is intermittently meshed with the rack plate 13, the rack plate 13 moves up and down in the through hole 301 in a reciprocating mode, when the rack plate 13 is meshed with the semi-gear 123, the rack plate 13 drives the first elastic filter screen 4012 to be pulled down to generate deformation, when the semi-gear 123 is not meshed with the rack plate 13, the first elastic filter screen 4012 recovers deformation and upwards bounces, the metal part 5 placed on the first elastic filter screen 4012 bounces, the metal part 5 moves between the first elastic filter screen 4012 and the second elastic filter screen 4022, the contact surface of the metal part 5 and pickling solution is changed, the pickling speed can be accelerated, and dead angles which are difficult to.

Example 3:

referring to fig. 1-3, an environment-friendly ni-fe-cr electrothermal alloy pickling apparatus is substantially the same as that of embodiment 1, further, a fixed rod 901 is connected to an inner wall of the feeding chute 9, an outer wall of the fixed rod 901 is rotatably connected to a swing rod 902, a second elastic element 903 is connected between the swing rod 902 and the inner wall of the feeding chute 9, a rubber hammer 904 is connected to an outer wall of the swing rod 902, the rubber hammer 904 movably abuts against a bottom wall of the filter screen 10, a cam 707 is connected to an outer wall of the swing rod 7, and the cam 707 movably abuts against the swing rod 902; the swinging rod 902 is pressed by the cam 707, so that the swinging rod 902 rotates around the fixed rod 901, the second elastic element 903 is compressed, and the rubber hammer 904 is further made to knock the filter screen 10, so that the hydrochloric acid scattered on the filter screen 10 falls into the material conveying pipe 8 from the mesh.

A spiral conveying blade 705 is fixedly arranged on the outer wall of the rotating rod 7, and the spiral conveying blade 705 is arranged in the conveying pipe 8; the reaction rate of the hydrochloric acid and the pickling solution is accelerated, so that the hydrochloric acid is quickly discharged out of the material conveying pipe 8.

One end of the rotating rod 7, which is far away from the feeding groove 9, is connected with a sliding block 706, and the bottom wall of the pickling tank 1 is provided with a sliding groove 11 matched with the sliding block 706 in a chiseling way; the sliding block 706 is made to slide in the sliding groove 11, which is beneficial to improving the stability of the rotating rod 7 moving along with the second gear 701.

The outer wall of the pickling tank 1 is connected with a heating shell 14, a heating pipe 141 is arranged between the heating shell 14 and the pickling tank 1, the inner wall of the heating shell 14 is connected with a heat insulation layer 142, the heating pipe 141 is arranged into a spiral pipe, and the spiral pipe is wound and connected on the outer wall of the pickling tank 1; so that the heating pipe 141 controls the temperature of the pickling solution in the pickling tank 1 and the pickling quality is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device, includes descaling bath (1), its characterized in that, the diapire of descaling bath (1) is connected with first motor (2), the output of first motor (2) is connected with axis of rotation (201), the one end that first motor (2) were kept away from in axis of rotation (201) passes descaling bath (1) and is connected with first gear (3), the top of first gear (3) is connected with filter screen cylinder (4), placed metal part (5) in filter screen cylinder (4), descaling bath (1) inner wall connection has rack ring (6), the meshing is connected with second gear (701) between rack ring (6) and first gear (3), second gear (701) outer wall connection has conveying pipeline (8), conveying pipeline (8) outer wall chisel has evenly distributed's discharge opening (801), the utility model discloses a feeding mechanism, including first gear (701), dwang (7) rotate to be connected in conveying pipeline (8), the top of conveying pipeline (8) is connected with feed chute (9), feed chute (9) outer wall connection has second motor (17), the output of second motor (17) passes feed chute (9) and links to each other with dwang (7), be provided with unloading mechanism in feed chute (9).

2. The environment-friendly type Ni-Fe-Cr electrothermal alloy pickling device of claim 1, it is characterized in that the blanking mechanism comprises a cover plug (702), the cover plug (702) is connected to the outer wall of the rotating rod (7) in a sliding way, the outer wall of the rotating rod (7) is connected with a guide strip (15), a guide groove (16) matched with the guide strip (15) is chiseled in the cover plug (702), the cover plug (702) is movably abutted against the inner wall of the feed chute (9), the inner wall of the feed chute (9) is connected with a filter screen (10), the bottom wall of the cover plug (702) is connected with a top rod (703), the top rod (703) is movably abutted against the top of the filter screen (10), the outer wall of the rotating rod (7) is sleeved with a first elastic element (704), and the first elastic element (704) is arranged between the inner walls of the cover plug (702) and the feeding groove (9).

3. The environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device according to claim 2, characterized in that a fixed rod (901) is connected to the inner wall of the feed tank (9), a swinging rod (902) is rotatably connected to the outer wall of the fixed rod (901), a second elastic element (903) is connected between the swinging rod (902) and the inner wall of the feed tank (9), a rubber hammer (904) is connected to the outer wall of the swinging rod (902), the rubber hammer (904) is movably abutted to the bottom wall of the filter screen (10), a cam (707) is connected to the outer wall of the rotating rod (7), and the cam (707) is movably abutted to the swinging rod (902).

4. The environment-friendly ferronickel electrothermal alloy pickling device of claim 3, wherein the outer wall of the rotating rod (7) is fixedly provided with a spiral conveying blade (705), and the spiral conveying blade (705) is arranged in the conveying pipe (8).

5. The environment-friendly ferronickel electrothermal alloy pickling device of claim 4, wherein one end of the rotating rod (7) far away from the feeding chute (9) is connected with a sliding block (706), and the bottom wall of the pickling tank (1) is provided with a sliding chute (11) matched with the sliding block (706).

6. The environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device according to claim 1, wherein the filter screen cylinder (4) comprises a cylinder body (401) and a cylinder cover (402), an external thread (4011) is fixedly arranged on the outer wall of the cylinder body (401), an internal thread (4021) matched with the external thread (4011) is fixedly arranged on the inner wall of the cylinder cover (402), a first elastic filter screen (4012) and a second elastic filter screen (4022) are respectively connected to the inner walls of the cylinder body (401) and the cylinder cover (402), and the metal part (5) is arranged between the first elastic filter screen (4012) and the second elastic filter screen (4022).

7. The environment-friendly nickel-iron-chromium electrothermal alloy pickling treatment device of claim 6, characterized in that, axis of rotation (201) outer wall connection has first bevel gear (2011), axis of rotation (201) outer wall connection has mount (12), first bevel gear (2011) rotates the inner wall of connection at mount (12), the both sides inner wall of mount (12) all is connected with first pivot (121), first pivot (121) outer wall connection has second bevel gear (122) with first bevel gear (2011) intermeshing, the one end that second bevel gear (122) was kept away from in first pivot (121) passes mount (12) and is connected with half gear (123), half gear (123) outer wall meshing is connected with rack plate (13), the bottom wall at first elasticity filter screen (4012) is connected in rack plate (13).

8. The environment-friendly ferronickel electrothermal alloy pickling device of claim 7, wherein the outer wall of the first gear (3) is provided with a through hole (301), and the rack plate (13) is slidably connected in the through hole (301).

9. The environment-friendly electrothermal Ni-Fe-Cr alloy pickling device as claimed in any one of claims 1 to 8, wherein the outer wall of the pickling tank (1) is connected with a heating shell (14), a heating pipe (141) is arranged between the heating shell (14) and the pickling tank (1), and the inner wall of the heating shell (14) is connected with a heat-insulating layer (142).

10. The environment-friendly ferronickel electrothermal alloy pickling device of claim 9, wherein the heating pipe (141) is a spiral pipe, and the spiral pipe is wound on the outer wall of the pickling tank (1).