CN210596262U

CN210596262U - Novel alkaline etching platform

Info

Publication number: CN210596262U
Application number: CN201921453598.4U
Authority: CN
Inventors: 罗瑶
Original assignee: Guangzhou Yangyuan Chemical Co ltd
Current assignee: Guangzhou Yangyuan Chemical Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-05-22
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a novel alkaline etching platform, which comprises a frame body, a clapboard, a circulating water pump and a PLC, the two sides of the inner walls of the two ends of the frame body are fixedly connected with clapboards through welding, an alkaline etching groove is formed between the inner wall of the clapboard and the inner wall of the frame body, the overflow groove is formed between the outer wall of the clapboard and the inner wall of the frame body, the utility model realizes that the alkaline etching liquid overflowed in the process of the alkaline etching of the aluminum material is filtered by the filter screen and then is sent back to the alkaline etching tank again by the circulating water pump through the arranged circulating water pump, thereby realizing the circulating filtration of impurities and sediments in the alkaline etching tank, through the arranged spray water pump and the spray water pipe, the residual alkaline etching liquid on the aluminum material is washed away through the spray water pipe when the alkaline etching liquid is extracted after the alkaline etching of the aluminum material is finished, the problem of corrosion stripes caused by overlong alkaline etching time of the aluminum material is prevented, and simultaneously, the problem of tank liquor precipitation caused by overhigh concentration of aluminum ions in the alkaline etching solution can be effectively prevented by supplementing water.

Description

Novel alkaline etching platform

Technical Field

The utility model relates to an alkali corrodes platform technical field, specifically is a novel alkali corrodes platform.

Background

The alkaline etching is an indispensable one-step important process for treating the surface of aluminum, can provide a clean and exposed aluminum matrix for anodic oxidation, and further cleans the surface of the aluminum alloy to remove oil stains and the like penetrating into the surface layer of the aluminum matrix. The cleaning is to further treat the surface after oil removal; secondly, removing surface stains of some workpieces which are not subjected to oil removal treatment; secondly, removing the passivation layer on the surface of the aluminum alloy through alkaline etching to expose a fresh aluminum matrix, so as to be beneficial to normal operation of subsequent processing; thirdly, the corrosion of aluminum is severe during the alkaline etching, a large amount of hydrogen can be generated in the corrosion process, and the removal of insoluble impurities of the aluminum alloy, such as sand materials remained on the surface of the aluminum alloy after sand blasting, aluminum chips remained on the surface of the aluminum alloy after wire drawing and the like, is facilitated; fourthly, the modified alloy layer on the surface of the aluminum material and impurities on the surface layer of the aluminum alloy can be removed; fifthly, the texture of the surface of the aluminum alloy can be changed to a certain extent through alkaline etching, meanwhile, the glossiness of the surface of the aluminum alloy can be adjusted to achieve the purpose of decoration function, and the alkaline etching process is generally carried out in an alkaline etching platform, namely a groove.

However, the conventional alkaline etching platform has some disadvantages in the using process, such as:

1. the traditional alkaline etching platform, namely the liquid in the alkaline etching tank can generate a large amount of impurities and precipitates after being used for a period of time, and the impurities and the precipitates can form a layer of firm hard structure in the alkaline etching tank after being not cleaned for a long time, so that the loss of alkali and aluminum materials is increased.

2. Traditional alkali corrodes the platform promptly and corrodes the groove and can bring out partly alkali lye on the aluminum product surface after the alkali corrodes the completion, and these alkali lye can be attached to the aluminum product surface always before transporting water washing process, and the time overlength can cause the corruption stripe, leads to the aluminum product surface unsmooth, and the gloss is also uneven.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel alkaline etching platform to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel alkaline etching platform comprises a frame body, a partition plate, a circulating water pump and a PLC (programmable logic controller), wherein the partition plate is fixedly connected to the two sides of the inner wall of the two ends of the frame body through welding, an alkaline etching groove is formed between the inner wall of the partition plate and the inner wall of the frame body, an overflow groove is formed between the outer wall of the partition plate and the inner wall of the frame body, the circulating water pump is fixedly connected to the lower half parts of the two ends of the outer wall of the two sides of the frame body through bolts, a circulating water pipe is fixedly connected to the water inlet and outlet of the circulating water pump through a pipe joint, one end of the bottom of the circulating water pipe penetrates through the frame body and is communicated with the bottom surface of the inner part of the overflow groove, one end of the top of the circulating water pipe penetrates through, the water outlet pipe is far away from one end of the spray water pump and is fixedly connected with the spray water pipe through a tee joint, the upper half part in the overflow groove is fixedly connected with a filter screen through a clamping joint, one side of the center of the bottom of the alkaline etching tank is fixedly connected with a drain pipe through a pipe joint, one end of the drain pipe, far away from the alkaline etching tank, is fixedly connected with an electromagnetic valve through a pipe joint, a signal input end of the electromagnetic valve is electrically connected with a signal output end of a PLC (programmable logic controller), a signal input end of the spray water pump is electrically connected with a.

Furthermore, one side of the spray water pipe, which is correspondingly close to the alkaline etching groove, is fixedly connected with a spray head through a pipe joint, and the spray water pipe is used for expanding the spraying range through the spray head.

Furthermore, the vertical distance between the top of the partition board and the top of the frame body is 20-50cm, and the partition board is used for preventing caustic etching liquid from flowing out of the frame body.

Furthermore, one end of the water inlet of the spray water pump is connected with the water storage tank through a water pipe and used for providing spray water.

Furthermore, the length of the circulating water pipe extending into the alkaline etching tank is one half to three quarters of the depth of the alkaline etching tank, and the circulating water pipe is used for upwards swelling impurities and sediments suspended at the lower half part of the alkaline etching tank so as to be convenient for overflowing into the overflow tank.

Furthermore, the circulating water pipe is fixedly connected with one-way electromagnetic valves corresponding to the two ends of the water inlet and the water outlet of the circulating water pump through pipe connectors, and the signal input end of the one-way electromagnetic valve of the circulating water pipe is electrically connected with the signal output end of the PLC and used for preventing the alkali corrosion liquid from flowing back.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a circulating water pump who sets up, circulating pipe and overflow launder, it spills over to have realized corroding the in-process alkali corrosion liquid at the aluminum product alkali, fall into overflow tank bottom after filtering through the filter screen, will filter the alkali corrosion liquid of impurity and precipitate through circulating water pump and send back the alkali corrosion groove again, circulating pipe in the alkali corrosion groove simultaneously swells the suspended impurity of alkali corrosion tank bottom and precipitate and filters on flowing through the overflow filtering net again, the loop filter of impurity and precipitate in the alkali corrosion groove has been realized, prevent that alkali from corroding inslot impurity and precipitate formation solid structure and increase the loss of aluminum product and alkali.

2. The utility model discloses a spray water pump and spray header that set up have realized spraying water on to the aluminum product through spray header when proposing the alkaline corrosion liquid after the aluminum product alkaline corrosion is accomplished, wash away remaining alkaline corrosion liquid on the aluminum product, prevent that aluminum product alkaline corrosion time overlength from resulting in the problem of corruption stripe, mend the problem that the tank liquor that water can effectively prevent among the alkaline corrosion liquid too high aluminum ion concentration from deposiing simultaneously.

Drawings

FIG. 1 is a schematic sectional view of the overall left-side view structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the overall top view structure of the present invention;

fig. 4 is a schematic view of the electronic component connection control system of the present invention.

In FIGS. 1-4: 1-a frame body; 2-a spray water pump; 3-water outlet pipe; 4-a circulating water pipe; 5-spraying a water pipe; 6-a separator; 7-a filter screen; 8-an overflow trough; 9-alkaline etching the groove; 10-a drain pipe; 11-a solenoid valve; 12-a circulating water pump; 13-PLC.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a novel alkaline etching platform comprises a frame body 1, partition plates 6, a circulating water pump 12 and a PLC13, wherein the PLC13 is S7-200, the partition plates 6 are fixedly connected to the two sides of the inner wall of the two ends of the frame body 1 through welding and are used for dividing the inside of the frame body 1 into an alkaline etching tank 9 and an overflow tank, the alkaline etching tank 9 is formed between the inner wall of the partition plate 6 and the inner wall of the frame body 1, the overflow tank 8 is formed between the outer wall of the partition plate 6 and the inner wall of the frame body 1, the lower half parts of the two ends of the outer wall of the two sides of the frame body 1 are fixedly connected with the circulating water pump 12 through bolts, a water inlet and a water outlet of the circulating water pump 12 are fixedly connected with a circulating water pipe 4 through a pipe joint and are used for flushing alkaline etching liquid on aluminum materials after alkaline etching, the alkaline etching time of the aluminum materials is prevented from being overlong, one end of the top of the circulating water pipe 4 penetrates through the frame body 1 to enter the alkaline etching tank 9 and is used for swelling suspended impurities and sediments at the bottom of the alkaline etching tank 9, so that in the overflow groove 8, the lower half parts of the centers of the outer walls of the two sides of the frame body 1 are fixedly connected with a spray water pump 2 through bolts, one end of a water outlet of the spray water pump 2 is fixedly connected with a water outlet pipe 3 through a pipe joint, the top of a partition plate 6 is fixedly connected with a spray water pipe 5 through a buckle, one end of the water outlet pipe 3, far away from the spray water pump 2, is fixedly connected with the spray water pipe 5 through a tee joint, the upper half part in the overflow groove 8 is fixedly connected with a filter screen 7 through a clamp joint and is used for filtering the impurities and sediments, one side of the center at the bottom of the alkaline etching tank 9 is fixedly connected with a drain, the signal input end of the spray water pump 2 is electrically connected with the signal output end of the PLC13, and the signal input end of the circulating water pump 12 is electrically connected with the signal output end of the PLC 13.

The vertical distance between the top of the partition plate 6 and the top of the frame body 1 is 20-50cm, and the vertical distance is used for preventing the alkaline corrosion liquid from flowing out of the frame body 1, one end of a water inlet of the spray water pump 2 is connected with the water storage tank through a water pipe and is used for providing the spray water, the length of the circulating water pipe 4 extending into the alkaline corrosion tank 9 is one half to three quarters of the depth of the alkaline corrosion tank 9 and is used for upwards swelling impurities and sediments suspended at the lower half part of the alkaline corrosion tank 9 and facilitating overflow to the overflow groove 8, two ends of the circulating water pipe 4 corresponding to a water inlet and a water outlet of the circulating water pump 12 are fixedly connected with one-way electromagnetic valves through pipe connectors, and a signal input end of the one-way electromagnetic valve of the circulating water pipe 4 is electrically connected with a signal output end of PLC13 and is used for preventing the alkaline corrosion liquid.

The working principle is as follows: when the aluminum product alkaline etching device is used, alkaline etching liquid overflows the partition plate 6 in the aluminum product alkaline etching process, the overflowing alkaline etching liquid falls into the bottom of the overflow groove 8 after being filtered by the filter screen 7, the alkaline etching liquid with impurities and precipitates filtered out is returned to the alkaline etching groove 9 again by the circulating water pump 12 and the circulating water pipe 4, meanwhile, suspended impurities and precipitates at the bottom of the alkaline etching groove 9 are swelled by the circulating water pipe 4 in the alkaline etching groove 9 and flow onto the filter screen 7 again through overflow for filtering, so that the circulating filtration of the impurities and the precipitates in the alkaline etching groove 9 is realized, the phenomenon that the impurities and the precipitates in the alkaline etching groove 9 form a solid structure to increase the loss of aluminum products and alkali is prevented, the spraying water pump 2 and the spraying water pipe 5 are arranged, the water is sprayed onto the aluminum products through the spraying water pipe 5 when the alkaline etching liquid is extracted after the aluminum product alkaline etching is finished, the residual alkaline etching liquid on the aluminum products is washed off, and the problem that corrosion stripes are corroded, and simultaneously, the problem of tank liquor precipitation caused by overhigh concentration of aluminum ions in the alkaline etching solution can be effectively prevented by supplementing water.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 novel alkaline etching platform, includes framework (1), baffle (6), circulating water pump (12) and PLC (13), framework (1) both ends inner wall both sides position is through welded fastening connection baffle (6), its characterized in that: an alkaline etching groove (9) is formed between the inner wall of the partition plate (6) and the inner wall of the frame body (1), an overflow groove (8) is formed between the outer wall of the partition plate (6) and the inner wall of the frame body (1), the lower half parts of the two ends of the outer wall of the two sides of the frame body (1) are fixedly connected with a circulating water pump (12) through bolts, a circulating water pipe (4) is fixedly connected at the water inlet and the water outlet of the circulating water pump (12) through a pipe joint, one end of the bottom of the circulating water pipe (4) penetrates through the frame body (1) to be communicated with the bottom surface inside the overflow groove (8), one end of the top of the circulating water pipe (4) penetrates through the frame body (1) to enter the alkaline etching groove (9), a spray water pump (2) is fixedly connected at the lower half parts of the center of the outer wall of the two sides of the frame body (, the utility model discloses a spray water pump, including outlet pipe (3), overflow launder (8), water spray pump (2), tee bend and spray header (5), the upper half is passed through joint fixedly connected with filter screen (7) in overflow launder (8), alkali corrodes groove (9) bottom central authorities one side and passes through coupling fixedly connected with drain pipe (10), alkali corrodes groove (9) one end and passes through coupling fixedly connected with solenoid valve (11) are kept away from in drain pipe (10), solenoid valve (11) signal input part and PLC (13) signal output part electric connection, spray water pump (2) signal input part and PLC (13) signal output part electric connection, circulating water pump (12) signal input part and PLC (13) signal output part electric connection.

2. The novel alkaline etching platform as claimed in claim 1, wherein: and one side of the spray water pipe (5) correspondingly close to the alkaline etching groove (9) is fixedly connected with a spray head through a pipe joint.

3. The novel alkaline etching platform as claimed in claim 1, wherein: the vertical distance between the top of the partition board (6) and the top of the frame body (1) is 20-50 cm.

4. The novel alkaline etching platform as claimed in claim 1, wherein: one end of the water inlet of the spray water pump (2) is connected with the water storage tank through a water pipe.

5. The novel alkaline etching platform as claimed in claim 1, wherein: the length of the circulating water pipe (4) extending into the alkaline etching groove (9) is one half to three quarters of the depth of the alkaline etching groove (9).

6. The novel alkaline etching platform as claimed in claim 1, wherein: two ends of the circulating water pipe (4) corresponding to the water inlet and the water outlet of the circulating water pump (12) are fixedly connected with one-way electromagnetic valves through pipe interfaces, and the signal input end of the one-way electromagnetic valve of the circulating water pipe (4) is electrically connected with the signal output end of the PLC (13).