阅读说明：本技术 一种黄铜-紫铜焊接管的清洗方法 (Method for cleaning brass-red copper welded pipe ) 是由 丁旭春 石三洪 王一品 于 2021-07-07 设计创作，主要内容包括：本发明公开一种黄铜-紫铜焊接管的清洗方法,其特征在于：包括如下步骤：冷却：将焊接好的管件冷却至室温；碱洗：在清洗装置的碱洗槽内加入碱液,将碱液加热到50-80摄氏度,管件放入位于碱洗槽内的清洗框中,并使管件完全浸没于碱液内；风干：碱洗后的管件用水冲洗后,去除表面杂质,并风干。(The invention discloses a method for cleaning a brass-red copper welded pipe, which is characterized by comprising the following steps of: the method comprises the following steps: and (3) cooling: cooling the welded pipe fitting to room temperature; alkali washing: adding alkali liquor into an alkali washing tank of a cleaning device, heating the alkali liquor to 50-80 ℃, putting the pipe fitting into a cleaning frame positioned in the alkali washing tank, and completely immersing the pipe fitting in the alkali liquor; air drying: and (4) washing the pipe fitting subjected to alkali washing with water, removing surface impurities, and air-drying.)

1. A cleaning method of a brass-red copper welding pipe is characterized by comprising the following steps: the method comprises the following steps:

1) and (3) cooling: cooling the welded pipe fitting to room temperature;

2) alkali washing: adding alkali liquor into an alkali washing tank of a cleaning device, heating the alkali liquor to 50-80 ℃, putting the pipe fitting into a cleaning frame positioned in the alkali washing tank, and completely immersing the pipe fitting in the alkali liquor;

3) air drying: and (4) washing the pipe fitting subjected to alkali washing with water, removing surface impurities, and air-drying.

2. The method of cleaning a brass-red copper welded pipe according to claim 1, wherein: the alkali liquor comprises the following components: 0.8-4.50% of sodium bicarbonate, 0.30-0.80% of sodium carbonate, 0.10-0.20% of sodium hydrogen phosphate, 0.21-1.5% of potassium hydroxide and 0.12-0.48% of trisodium phosphate.

3. The method of cleaning a brass-red copper welded pipe according to claim 1, wherein: the time of alkali washing is 5-10 minutes.

4. The method of cleaning a brass-red copper welded pipe according to claim 1, wherein: ultrasonic waves are emitted by an ultrasonic generator in the alkali washing process to assist in cleaning.

5. The method of claim 4, wherein the cleaning of the brass-copper welded pipe comprises: the running time of the ultrasonic generator in the alkali washing process is 3-5 minutes.

Technical Field

The invention relates to the technical field of welded pipes, in particular to a method for cleaning a brass-red copper welded pipe.

Background

Brass and copper are good heat dissipation materials, and are commonly used to manufacture parts with heat dissipation requirements. Compared with brass, red copper has better heat dissipation performance and higher cost. The brass bracket-copper tube structure is a key part in the air conditioner, on one hand, the brass is easy to process and has excellent mechanical property, and on the other hand, the brass has good plasticity and thermal conductivity. The inside and outside of the pipe fittings welded by brass and red copper have white residues, the pipe fittings can not be completely removed by cleaning with hot water, the workload is large by using an acid cleaning method, and the problems of damage, deformation and the like exist in the acid cleaning process of workpieces.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a method for cleaning a brass-red copper welded pipe.

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

a cleaning method of a brass-red copper welding pipe comprises the following steps:

and (3) cooling: cooling the welded pipe fitting to room temperature,

alkali washing: adding alkali liquor into an alkali washing tank of a cleaning device, heating the alkali liquor to 50-80 ℃, putting the pipe fitting into a cleaning frame positioned in the alkali washing tank, and completely immersing the pipe fitting in the alkali liquor;

air drying: and (4) washing the pipe fitting subjected to alkali washing with water, removing surface impurities, and air-drying.

Preferably, the alkali liquor comprises the following components: 0.8-4.50% of sodium bicarbonate, 0.30-0.80% of sodium carbonate, 0.10-0.20% of sodium hydrogen phosphate, 0.21-1.5% of potassium hydroxide and 0.12-0.48% of trisodium phosphate.

Preferably, the time for the alkaline washing is 5 to 10 minutes.

Preferably, an ultrasonic generator is used for emitting ultrasonic waves to assist cleaning in the alkali cleaning process.

Preferably, the operation time of the ultrasonic generator is 3 to 5 minutes.

Compared with the prior art, the invention has the beneficial effects that: the red copper and brass pipe fittings welded by the cleaning-free soldering flux are treated by an alkali washing mode, so that white residues existing inside and outside can be effectively removed, the cleaning effect is good, and the speed is high.

Drawings

FIG. 1 is a schematic view of a cleaning apparatus according to the present invention;

FIG. 2 is a schematic view of the cleaning mechanism of the present invention;

FIG. 3 is a schematic view of the construction of the filter cassette of the present invention;

FIG. 4 is a schematic view of a filter structure according to the present invention;

FIG. 5 is a cross-sectional view of the filter box of the present invention;

FIG. 6 is an enlarged schematic view at A in FIG. 5;

FIG. 7 is a schematic view of the structure of the filtration tank of the present invention;

FIG. 8 is a schematic view of the structure of the feeding mechanism of the present invention;

FIG. 9 is a top view of the present invention at the rotating disk;

fig. 10 is a schematic view of the structure at the fuselage of the present invention.

Reference numerals: a cleaning mechanism 1; a chassis 101; an alkaline washing tank 102; a cleaning frame 103; a drain 104; a filter cassette 105; a collection tank 106; a discharge pipe 107; a filter screen 108; an ultrasonic generator 109; a heating rod 110; a liquid inlet 111; a hook 112; a case body 113; a box cover 114; a mount 115; a fixed base 116; a first filter plate 117; a sealing plug 118; a guide plate 119; a feeding mechanism 2; a body 201; a stir chamber 202; a feed hopper 203; a central shaft 204; a main stirring blade 205; a drive gear 206; a stirring shaft 207; the auxiliary agitating blade 208; a driven gear 209; a drive shaft 210; a transmission gear 211; a waterproof jacket 212; a linkage block 213; a lead screw 214; a driven bevel gear 215; a drive shaft 216; a drive bevel gear 217; a first driven flywheel 218; a first drive motor 219; a first driving flywheel 220; a first belt 221; a lifting block 222; a guide rod 223; a guide block 224; a motor mount 225; a stirring motor 226; a waterproof bearing 227; a bellows 228; a mounting block 229; a carrier plate 230; a rotating disk 231; a thrust ball bearing 232; a ring gear 233; the first bump 234; a second bump 235; the third bump 236; a third drive gear 237; a turret 238; a gear shaft 239; a second driven flywheel 240; a second driving motor 241; a second driving flywheel 242; a second belt 243; a filter mechanism 3; a filter tank 301; an input tube 302; an output pipe 303; a support plate 304; a notch 305; a fixation groove 306; the second filter plate 307; a sealing plate 308; a guide groove 309; a first toothed bar 310; a second rack 311; a first drive gear 312; a second drive gear 313; a first transmission gear 314; a second transfer gear 315; a drive chain 316; a support frame 317; a sealing boot 318; mounting slots 319.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

A cleaning method of a brass-red copper welding pipe comprises the following steps:

and (3) cooling: cooling the welded pipe fitting to room temperature;

alkali washing: adding alkali liquor into an alkali washing groove of a cleaning device, wherein the alkali liquor comprises 0.8% of sodium bicarbonate, 0.30% of sodium carbonate, 0.10% of sodium hydrogen phosphate, 0.21% of potassium hydroxide and 0.12% of trisodium phosphate, heating the alkali liquor to 50 ℃, putting the pipe fitting into a cleaning frame positioned in the alkali washing groove, and completely immersing the pipe fitting in the alkali liquor; the time of alkaline washing is 5 minutes

Air drying: and (4) washing the pipe fitting subjected to alkali washing with water, removing surface impurities, and air-drying.

In the alkali washing process, an ultrasonic generator is used for emitting ultrasonic waves to assist in cleaning, and the running time of the ultrasonic generator is 3 minutes.

Example 2

A cleaning method of a brass-red copper welding pipe comprises the following steps:

and (3) cooling: cooling the welded pipe fitting to room temperature;

alkali washing: adding an alkali liquor into an alkali washing groove of a cleaning device, wherein the alkali liquor comprises 4.50% of sodium bicarbonate, 0.80% of sodium carbonate, 0.20% of sodium hydrogen phosphate, 1.5% of potassium hydroxide and 0.48% of trisodium phosphate, heating the alkali liquor to 80 ℃, putting the pipe fitting into a cleaning frame positioned in the alkali washing groove, and completely immersing the pipe fitting in the alkali liquor; the time for the alkaline washing was 5 minutes.

Air drying: and (4) washing the pipe fitting subjected to alkali washing with water, removing surface impurities, and air-drying.

Ultrasonic waves are emitted by an ultrasonic generator to assist cleaning in the alkali cleaning process, and the running time of the ultrasonic generator is 5 minutes.

Example 3

A cleaning method of a brass-red copper welding pipe comprises the following steps:

and (3) cooling: cooling the welded pipe fitting to room temperature;

alkali washing: adding alkali liquor into an alkali washing tank of a cleaning device, wherein the alkali liquor comprises the following components: 2.45 percent of sodium bicarbonate, 0.55 percent of sodium carbonate, 0.15 percent of sodium hydrogen phosphate, 0.82 percent of potassium hydroxide and 0.31 percent of trisodium phosphate, heating the alkali liquor to 65 ℃, putting the pipe fittings into a cleaning frame positioned in an alkali washing tank, and completely immersing the pipe fittings in the alkali liquor, wherein the alkali washing time is 8 minutes;

air drying: and (4) washing the pipe fitting subjected to alkali washing with water, removing surface impurities, and air-drying.

Ultrasonic waves are emitted by an ultrasonic generator to assist cleaning in the alkali cleaning process, and the running time of the ultrasonic generator is 4 minutes.

As shown in fig. 1-10, the cleaning device used in the alkaline cleaning process comprises a cleaning mechanism 1, a feeding mechanism 2 and a filtering mechanism 3, wherein the filtering mechanism 3 is located between the cleaning mechanism 1 and the feeding mechanism 2, the cleaning mechanism 1 comprises a case 101, an alkaline cleaning tank 102 is arranged on the upper portion of the case 101, a cleaning frame 103 is arranged inside the alkaline cleaning tank 102, a hook 112 is connected to the upper portion of the cleaning frame 103, the cleaning frame 103 is suspended on the upper portion of the alkaline cleaning tank 102 through the hook 112, an ultrasonic generator 109 is arranged on the side surface of the alkaline cleaning tank 102, a heating rod 110 is arranged at the bottom of the alkaline cleaning tank 102, a temperature sensor is arranged in the alkaline cleaning tank 102, a liquid discharge pipe 104 is connected to the bottom of the alkaline cleaning tank 102, a collection box 106 is connected to the other end of the liquid discharge pipe 104, a discharge pipe 107 is connected to the side surface of the collection box 106, and a filter box 105 is arranged on the liquid discharge pipe 104.

Preferably, a filter screen 108 is provided at the connection between the drain pipe 104 and the alkaline washing tank 102. The alkali liquor passing through the liquid discharge pipe 104 is primarily filtered by the filter screen 108 to remove impurities with larger size, so as to avoid blocking the pipeline.

Preferably, the filter box 105 includes a box body 113 and a box cover 114 mounted on the box body 113, two mounting seats 115 are provided on one side of the box body 113 away from the box cover 114, a fixing seat 116 is provided at a position corresponding to the mounting seat 115 inside the box cover 114, a first filter plate 117 is inserted into one of the mounting seats 115, the left end of the first filter plate 117 is inserted into the corresponding fixing seat 116, a sealing plug 118 is inserted into the other mounting seat 115, a guide plate 119 is provided inside the box body 113, and two ends of the guide plate 119 are respectively connected with the side walls of the front and rear sides of the box body 113. The guide plate 119 is inclined downward and outward from the middle position of the cartridge body 113. The two mounting bases 115 are arranged, the first filter plate 117 is inserted into one mounting base 115 for filtering operation during use, and when the filter needs to be replaced for a period of time, the first filter plate 117 can be directly taken out for use for a period of time only by inserting the first filter plate 117 into the other mounting base 115, and the machine does not need to be stopped.

The guide plate 119 guides part of the liquid to the outside, so that more positions on the first filter plate 117 participate in the filtration, not only the part of the first filter plate 117 facing the drain pipe 104 participate in the filtration, and the utilization rate is improved.

The feeding mechanism 2 comprises a machine body 201 and a stirring cavity 202 positioned at the upper part of the machine body 201, the side surface of the stirring cavity 202 is connected with a feed hopper 203, the right side inside the machine body 201 is provided with a screw rod 214, the lower end of the screw rod 214 is connected with a driven bevel gear 215, a driving shaft 216 is rotatably arranged at the position below the screw rod 214 in the machine body 201, the left end of the driving shaft 216 is connected with a first driven flywheel 218, the driving shaft 216 is provided with a driving bevel gear 217 meshed with the driven bevel gear 215, the right side inside the machine body 201 is provided with a first driving motor 219, the motor shaft of the first driving motor 219 is connected with a first driving flywheel 220, a first transmission belt 221 is connected between the first driving flywheel 220 and the first driven flywheel 218, the screw rod 214 is provided with a lifting block 222, the left end of the lifting block 222 is connected with a motor mounting seat 225, the left side of the motor mounting seat 225 is connected with a guide block 224, and the left side inside the machine body 201 is provided with a guide rod 223, the guide block 224 is sleeved on the guide rod 223, the stirring motor 226 is arranged in the motor mounting seat 225, the upper end of a motor shaft of the stirring motor 226 is connected with the central shaft 204, the upper end of the central shaft 204 extends into the stirring cavity 202 and is connected with a plurality of main stirring blades 205, the bottom of the stirring cavity 202 is connected with the corrugated pipe 228, the lower part of the corrugated pipe 228 is connected with the waterproof bearing 227, and the central shaft 204 penetrates through the waterproof bearing 227 and the corrugated pipe 228. The outer ring of the waterproof bearing 227 is connected with the upper end face of the stirring motor 226 through a bracket.

The solutions are fed into the stirring chamber 202 through the hopper 203, and the stirring motor 226 rotates the main stirring blade 205 through the central shaft 204, thereby stirring the solutions and uniformly mixing the solutions. First driving motor 219 drives lead screw 214 and rotates for elevator 222 drives motor mount 225 and goes up and down, and then adjusts the position that main stirring vane 205 is located in stirring chamber 202, thereby stirs at the height of difference, and then improves the effect that the stirring was mixed.

The bellows 228 is provided to seal against the outflow of liquid from the stir chamber 202. The bellows 228 is stretched and contracted in the process that the motor mounting base 225 drives the stirring motor 226 to ascend and descend, is always sealed, and is not easy to damage in the stretching process.

Preferably, a stirring shaft 207 is rotatably arranged at the left side and the right side of a central shaft 204 in a stirring cavity 202, the upper end of the stirring shaft 207 is connected with a plurality of auxiliary stirring blades 208, a driven gear 209 is arranged on the stirring shaft 207, a waterproof jacket 212 is arranged between the central shaft 204 and the stirring shaft 207 in the stirring cavity 202, a transmission shaft 210 is arranged in the waterproof jacket 212 in a penetrating way, the upper end of the transmission shaft 210 is connected with a transmission gear 211, a driving gear 206 is arranged on the central shaft 204 in the stirring cavity 202, a linkage block 213 is rotatably arranged at the lower end of the transmission shaft 210, the inner sides of the left side wall and the right side wall of a machine body 201 are connected with a mounting frame 229, a bearing plate 230 is arranged at the upper part of the mounting frame 229, a rotating disc 231 is arranged at the upper part of the bearing plate 230, a thrust ball bearing 232 is arranged between the bearing plate 230 and the rotating disc 231, a first lug 234, a second lug 235 and a third lug 236 are arranged on the rotating disc 23, and an included angle between the center of the first lug 234 and the center of the second lug 235 is 180 degrees, the included angle between the center of the second bump 235 and the center of the third bump 236 is 180 degrees, the first bump 234, the second bump 235 and the third bump 236 are designed to be flat in the middle and inclined downward on both sides, a gear ring 233 is arranged on the outer side of the rotating disc 231, a rotating frame 238 is arranged on the upper portion of the right side of the machine body 201, a gear shaft 239 is rotatably arranged on the left side of the rotating frame 238, a third driving gear 237 is arranged on the gear shaft 239, the third driving gear 237 is meshed with the gear ring 233, a second driven flywheel 240 is connected to the upper portion of the gear shaft 239, a second driving motor 241 is arranged on the right side of the machine body 201, a second driving flywheel 242 is connected to the motor shaft of the second driving motor 241, and a second transmission belt 243 is connected between the second driving flywheel 242 and the second driven flywheel 240.

By adjusting the heights of the driving gear 206 and the transmission gear 211, when the transmission gear 211 is meshed with the driving gear 206 and the driven gear 209 at the same time, the stirring shaft 207 and the central shaft 204 rotate at the same time, the main stirring blade 205 and the auxiliary stirring blade 208 stir the solution at the same time, the stirring force is increased, and the stirring and mixing effects are provided.

The rotating disc 23 is provided with a first lug 234, a second lug 235 and a third lug 236, when the stirring shaft 207 on one side is only required to rotate, the position of the rotating disc 23 is adjusted, the second lug 235 is positioned below the linkage block 213 on the side, the second lug 235 drives the transmission shaft 210 on the side to ascend through the linkage block 213, the transmission gear 211 is simultaneously meshed with the driving gear 206 and the driven gear 209, at the moment, the first lug 234 and the third lug 236 are staggered with the linkage block 213 on the other side, and the transmission gear 211 on the other side is staggered with the driving gear 206 and the driven gear 209; when the stirring shafts 207 on the two sides need to rotate together, the positions of the rotating disc 23 are adjusted to enable the first lug 234 and the third lug 236 to be located below the linkage blocks 213 on the two sides, and the first lug 234 and the third lug 236 drive the transmission shafts 210 on the two sides to ascend, so that the transmission gears 211 on the two sides are respectively meshed with the driving gear 206 and the driven gear 209 corresponding to the transmission gears.

The right side of the alkaline washing tank 102 is provided with a liquid inlet 111, the filtering mechanism 3 comprises a filtering tank 301, the left side and the right side of the filtering tank 310 are respectively connected with an output pipe 303 and an input pipe 302, the output pipe 303 is connected with the liquid inlet 111, the other end of the input pipe 302 is connected with the stirring chamber 202, the inner sides of the front side wall and the rear side wall of the filtering tank 301 are respectively provided with two guide grooves 309 which are vertically arranged, the positions of the guide grooves 309 on the front side and the rear side are corresponding, the lower part of the filtering tank 301 is provided with a fixed groove 306 which is corresponding to the position of the guide groove 309, the upper part of the filtering tank 301 is provided with a notch 305 which is corresponding to the position of the guide groove 309, the lower part of the filtering tank 301 is provided with a first toothed bar 310 and a second toothed bar 311, the upper ends of the first toothed bar 310 and the second toothed bar 311 respectively penetrate through the bottom wall of the filtering tank 301 and extend into the fixed groove 306 on the left side and the fixed groove 306 on the right side, the upper ends of the first toothed bar 310 and the second toothed bar 311 are connected with a sealing plate 308, the left side or the right side notch 305 is provided with a second filtering plate 307, the lower part of the second filter plate 307 is inserted into the fixing groove 306, the right side of the chassis 101 is connected with the support plate 304, a support frame 317 is connected between the support plate 304 and the bottom of the filter box 301, a first drive gear 312 and a second drive gear 313 are rotatably arranged on the support frame 317, the first drive gear 312 is meshed with the first rack bar 310, the second drive gear 313 is meshed with the second rack bar 311, the first drive gear 312 is coaxially connected with a first transmission gear 314, the second drive gear 313 is coaxially connected with a second transmission gear 315, and a transmission chain 316 is connected between the first transmission gear 314 and the second transmission gear 315.

When the second filter plate 307 is inserted into the notch 305 on the right side of the filter box 310, the second filter plate 307 moves downward along the guide slot 309, and at the same time, the second filter plate 307 presses the sealing plate 308 below the second filter plate to move downward, the sealing plate 308 drives the second rack bar 311 below the second filter plate to descend, the second rack bar 311 drives the meshed second drive gear 313 to rotate, the second drive gear 313 drives the first drive gear 312 to synchronously rotate through the cooperation of the first drive gear 314, the second drive gear 315 and the drive chain 316, the first drive gear 312 drives the first rack bar 310 to move upward, the first rack bar 310 drives the second filter plate 307 above the first rack bar 310 to ascend through the sealing plate 308 on the upper portion, and the second filter plate 307 can be conveniently taken out from the notch 305 on the left side. When the lower portion of the second filter plate 307 on the right is inserted into the fixing groove 306, the sealing plate 308 on the left is positioned in the gap 305 to form a seal, thereby preventing the liquid from overflowing from the gap 305 during the filtering process.

Preferably, a sealing sleeve 318 is arranged at the joint of the first toothed bar 310, the second toothed bar 311 and the filter box 301, the first toothed bar 310 and the second toothed bar 311 are arranged by penetrating through the sealing sleeve 318, the upper part and the lower part of the sealing sleeve 318 are respectively positioned at the inner side and the outer side of the bottom wall of the filter box 310, and the lower part of the sealing plate 308 is provided with a mounting groove 319 matched with the upper part of the sealing sleeve 318 in shape.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.