CN112847038A - Semi-automatic blade polishing method and device - Google Patents

Abstract

The invention discloses a semi-automatic blade polishing method, wherein a blade is polished on two sides, and the polishing on the two sides comprises the following steps: s1, fixing the blades and enabling the sanding head to be parallel to the blades; s2, sanding the sanding head from the top to the bottom to finish the first sanding; s3, moving the sanding head to make the sanding head staggered with the first sanding; s4, sanding the sanding head from the bottom to the top to finish the second sanding; s5, moving the sanding head to make the sanding head staggered with the second sanding; and S6, repeating the steps S2-S5 until the part close to the leaf tip is close. The invention also discloses a semi-automatic blade polishing device which comprises a polishing device and a dust suction device. The invention improves the polishing operation efficiency, reduces the station occupation time, reduces the number of polishing staff and reduces the labor cost; the high-altitude operation of the staff is avoided, and the safety risk of falling is eliminated; the dust that the workshop caused because of polishing can be reduced by a wide margin, the input of relevant environmental protection equipment is avoided, convenient operation, safety, laborsaving also reduce blade production cycle simultaneously.

Description

Semi-automatic blade polishing method and device

Technical Field

The invention relates to a semi-automatic blade polishing method and device.

Background

Before wind-powered electricity generation blade paint, need to carry out the bright surface to the surface and polish, its degree of polishing has strict requirement, if appear polishing not in place, has the bright surface, can influence follow-up paint, can appear the problem that paint drops even in the wind field. And the traditional polishing is carried out by personnel, the polishing time is longer, and due to the old and new workers, the polishing capacity of each person is different, and high-altitude operation danger exists. Therefore, in order to ensure that the blade has no bright surface, greatly reduce the grinding time and avoid the danger of high-altitude operation of workers, a semi-automatic blade grinding method and equipment need to be developed.

Disclosure of Invention

The invention aims to overcome the defects of low efficiency and high risk of manual grinding of blades in the prior art, and provides a semi-automatic blade grinding method and device.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a semi-automatic blade polishing method and a semi-automatic blade polishing device are characterized in that the blade is polished on two sides, and the two-side polishing comprises the following steps:

s1, fixing the blade, wherein the frosted head is close to the blade root on one side of the blade and parallel to the blade;

s2, sanding the blade from the top of the peripheral side of the blade downwards along the surface of the blade to the bottom of the peripheral side of the blade, and finishing the first sanding;

s3, moving the sanding head along the long axis of the blade towards the blade tip direction to enable the sanding head to be staggered with the first sanding;

s4, sanding the bottom of the periphery of the blade upwards along the surface of the blade by the sanding head, stopping sanding when the top of the periphery of the blade reaches, and finishing a second sanding;

s5, moving the sanding head along the long axis of the blade towards the blade tip direction to enable the sanding head to be staggered with the second sanding;

s6, repeating the steps S2, S3, S4 and S5, and grinding till the part close to the leaf tip stops;

the sequence of the steps S2 and S4 can be interchanged.

Preferably, in step S1, the blade is mounted on a grinding support, and the grinding support is fixed at the foot by angle iron.

Preferably, in the steps S2 and S4, the sanding head moves along the blade surface while performing a rotation motion.

Preferably, the moving speed of the sanding head on the blade surface is 6 m/min.

Preferably, in the steps S3 and S5, the sanding head is moved to cover 30mm to 50mm of the front sanding mark.

Preferably, after finishing polishing the two sides of the blade, the method further comprises a manual polishing step of manually polishing the top area, the bottom area, the root area and the tip area of the blade.

The invention also discloses a semi-automatic blade polishing device, which comprises a polishing device and a dust suction device;

the polishing device comprises a polishing head, a telescopic arm and a movable chassis, wherein the telescopic arm is arranged on the movable chassis, and the polishing head is fixed at the tail end of the telescopic arm;

the dust suction device comprises a dust collector and a hose, and the hose is connected between the sanding head and the dust collector.

Preferably, the upper end of the sanding head is provided with an upper end sensor, and the lower end of the sanding head is provided with a lower end sensor.

Preferably, the sanding head includes the sanding drum, scrapes the brush, the sanding drum is cylindricly, it has a plurality of to scrape the brush, encircles sanding drum week side, every scrape the brush and inlay and establish sanding drum week side surface.

Preferably, in use, the device is 1.2m-1.3m from the blade.

The technical scheme can obtain the following beneficial effects:

the invention improves the polishing operation efficiency, reduces the station occupation time, reduces the number of polishing staff and reduces the labor cost; the high-altitude operation of the staff is avoided, and the safety risk of falling is eliminated; the dust caused by polishing in a workshop can be greatly reduced, the investment of related environment-friendly equipment is avoided, the operation is convenient, the safety and the labor are saved, and meanwhile, the production period of the blade is also reduced.

Drawings

FIG. 1 is a flow chart of a method for semi-automatic blade sharpening in accordance with a preferred embodiment of the present invention.

FIG. 2 is a schematic view of a sanding area of a blade being sanded.

FIG. 3 is a schematic view of a semi-automatic blade sharpening device in accordance with a preferred embodiment of the present invention.

Fig. 4 is a schematic view of the sanding head of fig. 3.

In the figure:

1. sanding head, 11, sanding drum, 12, scraping brush, 2, flexible arm, 3, removal chassis, A, root region, B, bottom region, C, point region, D, top region.

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but 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, are not to be construed as limiting the present invention.

As shown in figure 1, the invention discloses a semi-automatic blade polishing method, which comprises the following steps of polishing two sides of a blade:

s1, fixing the blade: a plurality of polishing brackets are arranged along the long axis direction of the blade, and the blade is arranged on the polishing brackets; the grinding head is close to the blade root on one side of the blade, and the grinding head is parallel to the blade, so that grinding preparation is made. The head initial position of polishing is close to the blade root, moves from the blade root to blade point portion during polishing, and support stabilizer blade department of polishing is fixed with the angle bar, when preventing to polish near the apex, and the blade takes place the skew.

S2, when the first grinding is carried out, the grinding head grinds downwards from the top of the peripheral side of the blade along the surface of the blade to the bottom of the peripheral side of the blade, and the grinding is stopped to finish the first grinding; in this embodiment, when the blade is placed, the front edge of the blade is arranged downwards, the rear edge of the blade is arranged upwards, and the sanding head sands downwards from the top of the rear edge to the bottom of the rear edge. In other embodiments, different blade portions frosted successively according to different blade placement forms are also within the protection scope of the present invention.

And S3, moving the sanding head along the long axis of the blade towards the blade tip direction to enable the sanding head to be staggered with the first sanding, wherein the sanding head can cover 30-50 mm of the trace of the front sanding after moving. Avoid having the position that is not dull polish to between the two back and forth dull polish vestige, avoid doing over again.

And S4, sanding the blade from the bottom of the peripheral side of the blade upwards along the surface of the blade, stopping sanding when the top of the peripheral side of the blade reaches, and finishing the second sanding.

And S5, continuously moving the sanding head along the long axis of the blade towards the blade tip direction to enable the sanding head to be staggered with the second sanding, wherein the sanding head can cover 30-50 mm of the front sanding mark after moving. Avoid having the position that is not dull polish to between the two back and forth dull polish vestige, avoid doing over again.

And S6, repeating the steps S2, S3, S4 and S5, and finishing grinding the blade on the single side until the blade is close to the blade tip.

The sequences of the steps S2 and S4 may be interchanged, that is, the sanding head may sand from bottom to top and then sand from top to bottom, all falling within the scope of the present invention.

In the steps S2 and S4, the sanding head moves along the surface of the blade and performs autorotation motion at the same time, the moving speed of the sanding head on the surface of the blade is 6m/min, and the surface of the blade is well sanded.

Both sides of the blade can be simultaneously polished, and one side can be polished and then the other side can be polished after polishing is finished, which is within the protection scope of the invention.

The polishing method further comprises a manual polishing step, wherein the repair polishing is carried out on dead corners and joints generated during the semi-automatic polishing, as shown in fig. 2, a top area D, a bottom area B, a root area A and a tip area C of the blade are manually polished, and the rest positions are semi-automatic polishing areas. And manually polishing the top area D and the bottom area B of the blade to make up the joints left on the two sides of the blade and not completely polished due to independent polishing. The regional A of blade root, the regional C of point portion of artifical polishing, when semi-automatic above-mentioned two positions of polishing, the easy displacement of blade, apex department cross-section is little moreover, frequently removes the sanding head, and it is inefficient to polish. Therefore, semi-automatic grinding is not needed to be carried out at two ends of the blade, manual grinding is adopted, the semi-automatic grinding difficulty is reduced, and the grinding efficiency is improved.

In carrying out the present sanding method, as shown in fig. 3, a semi-automatic blade sanding apparatus is used, which includes a sanding apparatus and a dust suction apparatus (not shown). Grinding device is when polishing, and dust extraction directly takes away the dust and collects, can reduce the workshop by a wide margin because of the dust that causes of polishing, avoids the input of relevant environmental protection equipment.

Grinding device includes dull polish head 1,flexible arm 2 and removeschassis 3, andflexible arm 2 sets up on removingchassis 3, and dull polish head 1 is fixed atflexible arm 2 end.

Thetelescopic arm 2 comprises a mast and a chain, the mast sequentially extends upwards under the driving of the chain, and the height of the sanding head 1 is adjusted to correspond to the surface of the blade with the corresponding height so as to realize the up-and-down movement of the sanding head 1. In the polishing step S1, the telescopic arm extends out step by step to send the polishing head to the top of the periphery of the blade, and the polishing head is flush with the top of the blade; in step S2, the telescopic arm retracts step by step, the sanding head is gradually sent to the bottom of the periphery of the blade from top to bottom, and the sanding head is matched for sanding; in step S4, the telescopic arm is extended out step by step, and the sanding head is gradually sent to the top of the periphery of the blade from bottom to top, and is matched with the sanding head for sanding.

After the previous sanding is finished, themovable chassis 3 drives thetelescopic arm 2 and the sanding head 1 to move, and corresponding to the steps S3 and S5, the sanding head and the previous sanding are staggered to enter a next sanding track.

An upper end sensor is arranged at the upper end of the sanding head 1, and a lower end sensor is arranged at the lower end of the sanding head. The sensor collects position relation signals between the sanding head 1 and the blade, so that the sanding head 1 and the surface of the blade are kept in a friction relation, and the sanding head 1 stops working when reaching the top and the bottom of the blade.

As shown in fig. 4, the sanding head 1 includes a sandingdrum 11 and scraping brushes 12, the sandingdrum 11 is cylindrical, the scraping brushes 12 are arranged around the sandingdrum 11, and each scrapingbrush 12 is embedded in the surface of the sandingdrum 11. In the sanding process, the sanding drum is driven to rotate by the motor, the scraping brush continuously rubs the surface of the blade, and the sanding drum is simple in structure, easy to detach and convenient to maintain and replace.

The dust collector comprises a dust collector and a hose, wherein the hose is connected between the sanding head and the dust collector, and the dust collector comprises a dust collecting barrel.

Before the polishing device is used, the equipment connection is ensured to be correct, whether a hose of a dust collector is normal or not is checked, and whether dust in a dust collecting barrel is cleaned or not is checked. The grinding machine is opened to the direction of the blade root at one side of the blade, so that the grinding head is parallel to the blade, and the device is 1.2m-1.3m away from the blade, thereby keeping a safe distance and preventing accidental collision. The power supply of the dust collector is connected, and the dust collector is inflated. After the device is in place, the sanding operation can be deployed.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (9)

1. A semi-automatic blade polishing method is characterized in that: the blade is divided into two sides for polishing, and the two sides for polishing comprise the following steps:

s1, fixing the blade, wherein the frosted head is close to the blade root on one side of the blade and parallel to the blade;

s2, sanding the blade from the top of the peripheral side of the blade downwards along the surface of the blade to the bottom of the peripheral side of the blade, and finishing the first sanding;

s3, moving the sanding head along the long axis of the blade towards the blade tip direction to enable the sanding head to be staggered with the first sanding;

s4, sanding the bottom of the periphery of the blade upwards along the surface of the blade by the sanding head, stopping sanding when the top of the periphery of the blade reaches, and finishing a second sanding;

s5, moving the sanding head along the long axis of the blade towards the blade tip direction to enable the sanding head to be staggered with the second sanding;

s6, repeating the steps S2, S3, S4 and S5, and grinding till the part close to the leaf tip stops;

the sequence of the steps S2 and S4 can be interchanged.

2. A semi-automatic blade sharpening method as claimed in claim 1, wherein: in the step S1, the blade is mounted on a grinding support, and the grinding support is fixed by angle iron.

3. A semi-automatic blade sharpening method as claimed in claim 1, wherein: in the steps S2 and S4, the sanding head moves along the blade surface while performing a rotation motion.

4. A semi-automatic blade sharpening method as claimed in claim 3, wherein: the moving speed of the sanding head on the surface of the blade is 6 m/min.

5. A semi-automatic blade sharpening method as claimed in claim 1, wherein: in the steps of S3 and S5, the sanding head can cover 30mm to 50mm of the front sanding mark after moving.

6. A semi-automatic blade sharpening method as claimed in claim 1, wherein: after the two sides of the blade are polished, the method further comprises a manual polishing step, wherein the top area, the bottom area, the root area and the tip area of the blade are polished manually.

7. The utility model provides a semi-automatic blade device of polishing which characterized in that: comprises a grinding device and a dust suction device;

the polishing device comprises a polishing head, a telescopic arm and a movable chassis, wherein the telescopic arm is arranged on the movable chassis, and the polishing head is fixed at the tail end of the telescopic arm;

the dust suction device comprises a dust collector and a hose, and the hose is connected between the sanding head and the dust collector.

8. The semi-automatic sanding blade device of claim 7, wherein: the upper end of the sanding head is provided with an upper end sensor, and the lower end of the sanding head is provided with a lower end sensor.

9. The semi-automatic sanding blade device of claim 7, wherein: the dull polish head includes the sanding drum, scrapes the brush, the sanding drum is cylindricly, it has a plurality of to scrape the brush, encircles in sanding drum week side, every scrape the brush and inlay and establish sanding drum week side surface.

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