CN108818229B

CN108818229B - Combined polishing head

Info

Publication number: CN108818229B
Application number: CN201810847138.3A
Authority: CN
Inventors: 谈源; 李春惠; 陶魏峰; 吴超
Original assignee: Changzhou New Intelligent Technology Co Ltd
Current assignee: Changzhou New Intelligent Technology Co Ltd
Priority date: 2018-07-27
Filing date: 2018-07-27
Publication date: 2024-02-27
Anticipated expiration: 2038-07-27
Also published as: CN108818229A

Abstract

The invention relates to the technical field of mechanical equipment, in particular to a combined polishing head, which comprises: the roller fixing structure is used for being connected with the manipulator; the surface of the roller body is uniformly distributed with at least three mounting grooves which surround and penetrate through the axial direction of the roller body, the mounting grooves are provided with open ends with the width A, the maximum width of the mounting grooves parallel to the plane where the open ends are located is B, and the A is smaller than the B; the mounting groove interpolation is equipped with two at least installation bars of concatenation formula, and each installation bar after the open end restriction concatenation is accomplished only can follow the tip of mounting groove length direction and shift out, and wherein, the installation bar is used for fixing at least one row of consumptive material of polishing that sets up side by side along the cylinder main part axial. The combined polishing head provided by the invention can realize automation of polishing of wind power blades after being matched with a mechanical arm.

Description

Combined polishing head

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a combined polishing head.

Background

After the wind power blade is formed, the wind power blade needs to be polished because of the rough surface, but the wind power blade is mostly curved because of the irregular surface, so that the conventional polishing mostly depends on manual work, the polishing efficiency is low, personal errors exist, a polishing device is urgently needed to be found, and the wind power blade polishing device is matched with a mechanical arm to realize the polishing automation of the wind power blade.

In view of the defects of the conventional wind power blade in the polishing process, the inventor designs and manufactures the wind power blade based on the rich practical experience and professional knowledge for many years in the design and manufacture of the product, and actively researches and innovates in combination with the application of the theory so as to create a combined polishing head, so that the combined polishing head has higher practicability. After continuous research and design and repeated sample test and improvement, the invention with practical value is finally created.

Disclosure of Invention

The invention mainly aims to provide a combined polishing head which is matched with a manipulator for use to realize automation of polishing of wind power blades.

The aim and the technical problems of the invention are realized by adopting the following technical proposal.

A modular sanding head comprising:

the roller fixing structure is used for being connected with the manipulator;

the surface of the roller main body is uniformly distributed with at least three mounting grooves which surround and penetrate through the axial direction of the roller main body, the mounting grooves are provided with open ends with the width of A, the maximum width of the mounting grooves, which is parallel to the plane where the open ends are located, is B, and the A is smaller than the B;

the installation groove interpolation is equipped with two at least installation bars of concatenation formula, each after the open end restriction concatenation is accomplished the installation bar only can follow installation groove length direction's tip shifts out, wherein, the installation bar is used for following at least one row of consumptive material of polishing that the drum body axial set up side by side is fixed.

Further, the polishing consumable mounted on each mounting strip may be one or both of a leather paper strip and a bristle strip.

Further, when the two mounting strips are arranged and are respectively used for mounting the sand leather paper strips and the bristle strips, the mounting grooves are of a trapezoid structure; the installation strip used for installing the sand skin paper strip comprises a V-shaped fixed end, the sand skin paper strip is arranged in a V-shaped opening to be clamped, an L-shaped splicing end is arranged at the bottom of the fixed end, and after the splicing end is spliced with a fixing block used for fixing the bristle strip, the sand skin paper strip is inserted into the installation groove, wherein one side of the L-shaped paper strip is arranged at the bottom of the installation groove.

Further, the roller main body is rotatably arranged on the roller fixing structure, specifically, a fixing seat is arranged on a mounting plate used for fixing two ends of a central shaft of the roller main body on the roller fixing structure, the central position of the fixing seat is communicated with the edge of the mounting plate through a straight groove body, a clamping block is arranged at the end part of the central shaft of the roller main body, and after the clamping block enters the straight groove body, the clamping block is fixed through a pressing block connected with the fixing seat;

the roller body is driven by the roller motor to rotate.

Further, a positioning end cover is arranged on one end face of the roller main body and used for blocking each mounting strip, a stop block is further arranged on the combined polishing head and provided with a curved blocking surface, and the blocking surface is used for extruding the mounting strips which pass through the side of the roller main body and move along the mounting grooves into the mounting grooves in the rotating process of the roller main body.

Further, the roller fixing structure is provided with at least one limit switch, and the limit switch at least comprises a roller with an axis parallel to the roller main body and a supporting structure for controlling the distance between the axis of the roller and the axis of the roller main body.

Further, the support structure comprises a first part fixedly mounted with the roller fixing structure, a second part for fixing the roller, and a third part for connecting the first part and the second part, wherein the third part has a linear motion amount relative to the first part, and the second part has a rotary motion amount relative to the third part.

Further, the cylinder fixed knot constructs for the cover body structure, the open end of cover body structure supplies the cylinder main part is installed, wherein, be located on the open end edge of cover body structure the position of cylinder main part axial both sides is provided with two rows of consumptive materials of polishing respectively.

Further, the cover body is structurally provided with a dust collection interface which is used for being connected with dust collection equipment to clean dust.

By adopting the technical scheme, the following technical effects can be realized: the combined polishing head can replace the traditional manual polishing, so that the labor cost is saved, and the polishing efficiency is effectively improved; in addition, the installation strip adopts the form of concatenation, can realize polishing and consume quick installation and the change of consumptive material.

Drawings

FIG. 1 is a schematic diagram of a linkage of a combined sanding head and a robot in accordance with the present invention;

FIG. 2 is a schematic view of the structure of a combined polishing head according to the present invention;

FIG. 3 is an exploded schematic view of the attachment of the drum fixing structure to the drum body;

FIG. 4 is a side view of FIG. 2;

FIGS. 5 and 6 are schematic views of the structure of two mounting slots at A in FIG. 4;

FIG. 7 is an exploded view of the mounting steps of the mounting bars;

FIG. 8 is a partial enlarged view at B in FIG. 7;

FIG. 9 is an enlarged view of a portion of FIG. 7 at C;

FIG. 10 is a partial enlarged view at D in FIG. 7;

FIG. 11 is a schematic illustration of the connection of the roller body to the mounting base and the press block;

FIG. 12 is an enlarged view of a portion of FIG. 11 at E;

fig. 13 is a partial enlarged view at F in fig. 11;

fig. 14 is a partial enlarged view at G in fig. 11;

FIG. 15 is a front view of FIG. 2;

FIG. 16 is a schematic view of the installation of a limit switch;

FIG. 17 is a left side view of FIG. 16;

FIG. 18 is a top view of FIG. 16;

FIG. 19 is an enlarged partial view of the portion I in FIG. 18

FIG. 20 is an enlarged view of a portion of H in FIG. 1;

the roller fixing structure 1, the manipulator 2, the roller body 3, the mounting groove 31, the positioning end cover 32, the stop block 33, the blocking surface 33a, the clamping block 34, the sand paper strip 4, the bristle strip 5, the fixed end 61, the splicing end 62, the fixed block 63, the fixed seat 71, the linear groove body 72, the pressing block 73, the limit switch 8, the roller 81, the supporting structure 82, the first part 82a, the second part 82b, the third part 82c and the dust collection interface 9.

Detailed Description

In order to further describe the technical means and effects adopted by the polishing device for achieving the preset aim, the specific implementation, the characteristics and the effects of the polishing device according to the invention are described in detail below.

A modular sanding head comprising: the roller fixing structure 1 is used for being connected with the manipulator 2; and the surface of the roller body 3 rotatably arranged on the roller fixing structure 1 is uniformly distributed with at least three mounting grooves 31 around and penetrating through the axial direction of the roller body, the mounting grooves 31 are provided with open ends with the width A, and the maximum width of the mounting grooves 31, which is parallel to the plane in which the open ends are located, is B, wherein A is smaller than B; at least two mounting bars are inserted into the mounting groove 31, the opening end limits each mounting bar after the splicing is completed to be capable of moving out from the end part of the length direction of the mounting groove 31, and the mounting bars are used for fixing at least one row of polishing consumables which are axially arranged in parallel along the roller main body 3.

As shown in fig. 1 to 4, in the working process of the combined polishing head according to the above embodiment of the present invention, polishing consumables are first fixed on mounting bars, then at least two mounting bars are spliced, and each mounting bar after the splicing is pushed into the mounting groove 31 from one end of the mounting groove 31 along the axis direction of the drum body 3, and the polishing consumables belong to wear parts, so that rapid installation and replacement of the wear parts can be realized by the above manner. And finally, the roller body 3 after the whole assembly is connected with the manipulator 2 through the roller fixing structure 1, so that the roller body 3 can move along the outer surface of the wind power blade under the control of the manipulator 2 in the rotating process, and the polishing of the surface of the wind power blade is realized.

Wherein, when installing the installation strip, the relatively smaller open end of the installation groove 31 can omit the use of the connecting piece, and stably limit the installation strip. The cross section of the mounting groove 31 may be trapezoidal as shown in fig. 5, or may be a structure larger than 1/2 circle as shown in fig. 6, and other various regular or irregular structures that can satisfy the condition are also included in the present embodiment.

As the preference of the above-mentioned embodiment, the polishing consumable that each installation strip was installed can be one kind or two kinds in sand skin note 4 or mane strip 5, through the setting of the consumable of polishing of difference, can make polishing effect better, wherein preferably two kinds of consumptive materials use simultaneously, and need place sand skin note 4 in the front end this moment, with carrying out the great first level friction of frictional strength to wind-powered electricity generation blade surface, and clean and the less friction of intensity to the wind-powered electricity generation blade surface that the first level was polished through mane strip 5, through the contact of different degree, accomplish wind-powered electricity generation blade surface high quality. A preferred embodiment is shown below to illustrate the relationship among the sand paper strips 4, bristle strips 5, mounting strips and mounting grooves 31, as shown in fig. 7-10: when two mounting strips are arranged and are respectively used for mounting the sand leather paper strips 4 and the bristle strips 5, the mounting grooves 31 are of a trapezoid structure; the installation strip for installing the sand paper strip 4 comprises a V-shaped fixed end 61, the sand paper strip 4 is arranged in a V-shaped opening to be clamped, an L-shaped splicing end 62 is arranged at the bottom of the fixed end 61, the splicing end 62 is spliced with a fixing block 63 for fixing the bristle strips 5, and then the fixing block is inserted into the installation groove 31, wherein one side of the L-shaped structure is arranged at the bottom of the installation groove 1. In this embodiment, the fixing end 61 not only fixes the sand paper strip 4, but also shields and protects the root of the bristle strip 5, so as to reduce the damage rate of the bristle strip in the use process; through the structure of L type, can make fixed block 63 can carry out reliable extrusion to concatenation end 62, avoid its opening end along mounting groove 31 to shift out, and above-mentioned structure processing is convenient, easily obtains.

As a preferable way of the above embodiment, the roller body 3 is rotatably disposed on the roller fixing structure 1, specifically, a fixing seat 71 is disposed on a mounting plate 7 on the roller fixing structure 1 for fixing two ends of a central shaft of the roller body 3, a central position of the fixing seat 71 is communicated with an edge of the mounting plate 7 through a linear groove 72, a fixture block 34 is disposed at an end of the central shaft of the roller body 3, and after the fixture block 34 enters the linear groove 72, the fixing seat is fixed through a press block 73 connected with the fixing seat 71; the roller main body 3 rotates under the drive of the roller motor, as shown in fig. 3 and 12, the part of the mounting plate 7 is reinforced through the arrangement of the fixing seat 71, so that the roller main body 3 is more stable and reliable to mount, the roller main body 3 enters through the linear groove 72, the mounting and positioning are convenient, the clamping block 34 is locked by the pressing block 73 and the mounting seat 71 at the same time, and the positioning accuracy of the whole polishing head in the polishing process is ensured.

As a preferred embodiment, a positioning end cover 32 is provided on one end surface of the drum body 3 for blocking each mounting bar, a stopper 33 is provided on the combined polishing head, and the stopper 33 has a curved blocking surface 33a, and the blocking surface 33a is used for pressing the mounting bar passing through the side thereof and moving along the mounting groove 31 into the mounting groove 31 during rotation of the drum body 3. Because in the pivoted in-process of whole cylinder main part 3, the installation strip inevitably exists the condition of following mounting groove 31 length direction drunkenness, in this implementation, as shown in fig. 13~15, through the setting of location end cover 32, the problem of one side drunkenness has been solved, and the drunkenness of opposite side is unfavorable to adopt same end cover structure, because the degree of difficulty that can increase the consumptive material and change, in this embodiment, adopt the dog 33 fixed for cylinder fixed knot constructs 1 and set up, can reset the installation strip that drunkenness comes one by one and repetitiveness, after the cylinder main part 3 dismantles simultaneously, do not influence the change of installation strip again, very big improvement the installation and the maintenance efficiency of equipment. Wherein, the setting of the blocking surface 33a makes the process of extrusion reset flexibly realize, avoids the damage to the installation strip.

As a preferred embodiment, the roller fixing structure 1 is provided with at least one limit switch 8, and the limit switch 8 at least comprises a roller 81 with an axis parallel to the roller body 3, and a support structure 82 for controlling a distance between the axis of the roller 81 and the axis of the roller body 3. In this preferred scheme, as shown in fig. 16-18, through limit switch 8's setting, can control wind-powered electricity generation blade and be close to the distance of cylinder main part 3, avoid causing the damage to cylinder main part 3 because of the too little distance, the setting of gyro wheel 81 can turn into the roll with wind-powered electricity generation blade's contact, avoids causing the damage to wind-powered electricity generation blade surface.

As a preference of the above embodiment, the support structure 82 includes a first portion 82a fixedly mounted with the drum fixing structure 1, a second portion 82b fixing the roller 81, and a third portion 82c connecting the first portion 82a and the second portion 82b, wherein the third portion 82c has a rectilinear motion amount with respect to the first portion 82a, and the second portion 82b has a rotational motion amount with respect to the third portion 82 c. As shown in fig. 19 and 20, by combining the rectilinear motion amount and the rotary motion amount, the whole limit switch 8 can be more suitable for the structural change of the wind power blade, so that the limit process has a buffering process, and the damage to the wind power blade caused by hard collision is avoided.

As the preference of cylinder fixed knot constructs 1 structure, it is the cover body structure, and the open end of cover body structure supplies cylinder main part 3 to install, wherein, is provided with two rows of consumptive materials of polishing respectively in the position that is located cylinder main part 3 axial both sides on the open end edge of cover body structure, through the setting of above-mentioned two rows of consumptive materials of polishing, can avoid polishing the dust diffusion that forms, and the dust can get into in the cover body structure along with the rotation of cylinder main part 3. As shown in fig. 16, for cleaning dust, the cover body is structurally provided with a dust collection interface 9 for connection with a dust collection device to clean the dust.

The present invention is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present invention can be made by those skilled in the art without departing from the scope of the present invention.

Claims

1. A combination sanding head comprising:

the roller fixing structure (1) is used for being connected with the manipulator (2);

the surface of the roller main body (3) is uniformly distributed with at least three mounting grooves (31) around and penetrating through the axial direction of the roller main body (3) which is rotatably arranged on the roller fixing structure (1), the mounting grooves (31) are provided with open ends with the width of A, the maximum width of the mounting grooves (31) which is parallel to the plane of the open ends is B, and the A is smaller than the B;

two spliced mounting strips are inserted into the mounting groove (31), the opening ends limit that the mounting strips after splicing can only be moved out from the end part of the mounting groove (31) in the length direction, and the mounting strips are used for fixing the sand skin paper strips (4) and the bristle strips (5) which are axially arranged in parallel along the roller main body (3);

the mounting groove (31) is of a trapezoid structure; the mounting strip used for mounting the sand leather paper strip (4) comprises a V-shaped fixed end (61), the sand leather paper strip (4) is arranged in a V-shaped opening to be clamped, an L-shaped splicing end (62) is arranged at the bottom of the fixed end (61), and after the splicing end (62) is spliced with a fixing block (63) used for fixing the bristle strips (5), the bristle strips are inserted into the mounting groove (31), wherein one side of the L-shaped mounting groove is arranged at the bottom of the mounting groove (31).

2. The combined polishing head according to claim 1, wherein the roller main body (3) is rotatably arranged on the roller fixing structure (1), specifically, a fixing seat (71) is arranged on a mounting plate (7) used for fixing two ends of a central shaft of the roller main body (3) on the roller fixing structure (1), the central position of the fixing seat (71) is communicated with the edge of the mounting plate (7) through a linear groove body (72), a clamping block (34) is arranged at the central shaft end part of the roller main body (3), and after the clamping block (34) enters the linear groove body (72), the clamping block is fixed through a pressing block (73) connected with the fixing seat (71);

the roller body (3) is driven by the roller motor to rotate.

3. The combined polishing head according to claim 1, wherein a positioning end cover (32) is provided on an end surface of the drum body (3) for blocking each mounting bar, a stopper (33) is further provided on the combined polishing head, the stopper (33) has a curved blocking surface (33 a), and the blocking surface (33 a) is used for pressing the mounting bar moving along the mounting groove (31) through the side of the stopper into the mounting groove (31) during the rotation of the drum body (3).

4. A combined polishing head according to any one of claims 1-3, characterized in that at least one limit switch (8) is arranged on the roller fixing structure (1), the limit switch (8) at least comprises a roller (81) with an axis parallel to the roller main body (3), and a supporting structure (82) for controlling the distance between the axis of the roller (81) and the axis of the roller main body (3).

5. The combined sanding head according to claim 4, characterized in that the support structure (82) comprises a first part (82 a) fixedly mounted with the drum fixing structure (1), a second part (82 b) fixing the roller (81), and a third part (82 c) connecting the first part (82 a) and the second part (82 b), wherein the third part (82 c) has a rectilinear movement amount with respect to the first part (82 a), and the second part (82 b) has a rotational movement amount with respect to the third part (82 c).

6. A combined polishing head according to any one of claims 1-3, characterized in that the drum fixing structure (1) is a cover structure, the opening end of the cover structure is provided for the drum main body (3) to be installed, and two rows of polishing consumables are respectively arranged at positions, located on two axial sides of the drum main body (3), on the edge of the opening end of the cover structure.

7. The combined polishing head as claimed in claim 6, wherein the hood is structurally provided with a dust suction interface (9) for connection to a dust suction device for cleaning dust.