CN211565529U

CN211565529U - Self-adaptive follow-up polishing head

Info

Publication number: CN211565529U
Application number: CN202020187730.8U
Authority: CN
Inventors: 程德考; 陈卿; 曹锦明
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bozhilin Robot Co Ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-09-25
Anticipated expiration: 2030-02-20

Abstract

The application relates to a self-adaptation follow-up head of polishing belongs to the equipment technical field of polishing. The self-adaptive follow-up polishing head comprises a follow-up component, a polishing head component and a telescopic component, wherein the polishing head component is connected to the telescopic component in a floating mode through the follow-up component, and the telescopic component is used for providing positive pressure between the polishing head component and a wall surface. This self-adaptation follow-up head of polishing guarantees that the head of polishing subassembly pastes and leans on in the wall of polishing for the head of polishing subassembly can the different walls of self-adaptation, uses manpower sparingly, guarantees the precision of polishing, satisfies user's the demand of polishing.

Description

Self-adaptive follow-up polishing head

Technical Field

The application relates to the technical field of polishing equipment, in particular to a self-adaptive follow-up polishing head.

Background

The concrete wall is used as the main structure of a floor building, and the concave-convex points of the wall surface need to be polished to certain flatness before the finishing putty coating process. Aiming at the concrete wall surface polishing, the traditional process adopts a polishing mode of manually holding a polisher, and the labor intensity of workers is high. With the progress of industrial technology, it is necessary to design a self-adaptive follow-up polishing head suitable for full-automatic concrete wall polishing equipment.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a self-adaptation head of polishing for with the robot cooperation of polishing, can realize that the self-adaptation of concrete wall is polished, use manpower sparingly.

According to this application on the one hand embodiment's self-adaptation follow-up head of polishing, including follow-up subassembly, the first subassembly of polishing and flexible subassembly, the first subassembly of polishing floats through follow-up subassembly and connects in flexible subassembly, and flexible subassembly is used for providing the positive pressure of the head subassembly of polishing and wall.

According to the self-adaptation follow-up head of polishing of this application embodiment, flexible subassembly provides the head subassembly of polishing and the normal pressure of the wall of polishing, connects head subassembly and flexible subassembly of polishing through the follow-up subassembly, guarantees that the head subassembly of polishing pastes and leans on in the wall of polishing for the head subassembly of polishing can the different walls of self-adaptation, is applicable to the polishing robot, uses manpower sparingly, need not artifical manual adjustment head and wall laminating degree, guarantees the precision of polishing, satisfies user's the demand of polishing.

In addition, the self-adaptive follow-up sanding head according to the embodiment of the application has the following additional technical characteristics:

according to some embodiments of the application, the follow-up subassembly includes universal joint, spring, and the subassembly of polishing is connected in flexible subassembly through universal joint, and the both ends of spring link to each other with flexible subassembly and the subassembly of polishing respectively.

In the above embodiment, realize polishing the head subassembly through universal joint and telescopic component's connection, through the cooperation of spring with the head of polishing, guarantee that the head subassembly of polishing can paste and lean on the wall, realize polishing the self-adaptation follow-up of head subassembly.

In some embodiments of the present application, the spring is provided in a plurality, the plurality of springs being spaced around the universal joint.

In the above embodiment, the plurality of springs ensure flexible and stable follow-up of the polishing head assembly.

In some embodiments of the present application, the follower assembly further includes a connecting seat, one end of the connecting seat is fixedly connected with the polishing head assembly, and the other end of the connecting seat is hinged to the telescopic assembly through a universal joint.

In the above embodiment, the mounting and positioning of the universal joint are realized through the connecting seat, and the stable connection between the telescopic assembly and the polishing head assembly is ensured.

In some embodiments of the present application, the connecting base includes a base body and a plurality of connecting arms extending from the base body, the universal joint is mounted on the base body, the plurality of connecting arms are spaced around the base body, and an end of each connecting arm away from the base body is connected to the sanding head assembly.

In the above embodiment, the base body ensures that the universal joint is stably installed, the connecting arms are arranged at intervals, the installation space is reserved, and the connection with the polishing head assembly is ensured to be firm.

In some embodiments of the present application, the springs correspond to the connecting arms one to one, and each connecting arm is provided with an avoiding hole for the corresponding spring to penetrate through.

In the embodiment, the spring corresponds to the connecting arm, the mounting space is reasonably utilized, and the avoiding hole in the connecting arm plays a limiting role in the spring.

In some embodiments of the present application, the polishing head assembly includes a driving motor, a dust cover, and a polishing disc, the driving motor is located between the dust cover and the base, one end of the connecting arm away from the base is connected to the dust cover, the polishing disc is located in the dust cover and is in transmission connection with an output shaft of the driving motor, and the driving motor is used for driving the polishing disc to rotate relative to the dust cover.

In the above embodiment, the dust cover collects dust, avoids dust to splash, protects the environment of polishing.

In some embodiments of the present application, a dust cap includes a dust cap body and a brush attached to an edge of the dust cap body, the brush being disposed around an exterior of a sanding disc.

In the above embodiment, the brush ensures good sealing of the dust cover with the wall surface.

In some embodiments of the present application, the dust cover is provided with a dust suction port, the dust suction port is communicated with the inside of the dust cover, and the dust suction port is used for being connected with a dust suction device.

In the embodiment, the dust suction port is connected with the dust suction device, so that dust is collected, and the polishing environment is purified.

According to some embodiments of the application, the telescopic assembly comprises an arm support, a telescopic arm, a telescopic cylinder and a guide wheel set, the telescopic cylinder is installed in the arm support, one end of the telescopic cylinder is connected with the arm support, the other end of the telescopic cylinder is connected with the telescopic arm, the telescopic arm is connected with the follow-up assembly, the telescopic cylinder is used for driving the telescopic arm to extend out or retract relative to the arm support, the guide wheel set is arranged in the arm support, and the guide wheel set is used for guiding and limiting when the telescopic arm moves in a telescopic mode.

In the above embodiment, the telescopic cylinder is connected with the follow-up assembly through the telescopic arm, and the telescopic movement stability of the telescopic arm is ensured through the guide wheel set.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of an adaptive servo-actuated sanding head provided in an embodiment of the present application;

fig. 2 is a schematic assembly diagram of a follow-up assembly and a sanding head assembly of an adaptive follow-up sanding head according to an embodiment of the present application;

fig. 3 is an exploded view of an adaptive servo-actuated sanding head provided in an embodiment of the present application;

fig. 4 is an exploded view of a telescoping assembly of the adaptive follow-up sanding head provided in an embodiment of the present application.

Icon: 100-self-adaptive follow-up polishing head; 10-a follower assembly; 11-a universal joint; 111-bolt; 12-a spring; 13-a connecting seat; 131-a seat body; 132-a connecting arm; 133-avoiding holes; 30-a grinding head assembly; 31-a drive motor; 32-a dust cover; 321-a dust suction port; 322-a dust cap body; 323-brush; 33-grinding disc; 34-a connecting shaft; 35-a fixing rod; 361-screw; 362-bolt; 363-screws; 37-tabletting; 50-a telescoping assembly; 51-arm support; 513-a front plate; 515-side panel; 517-bolt; 518-free bearing; 519-a bolt; 53-telescopic arm; 531-connecting plate; 532-a connecting part; 54-a telescopic oil cylinder; 543-a pin roll; 545-pin shaft; 55-a guide wheel set; 551-guide wheel seat; 552-a guide wheel; 553-bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

An adaptive follow-up sanding head 100 according to an embodiment of an aspect of the present application is described below with reference to the drawings.

As shown in fig. 1, an adaptive follow-up sanding head 100 according to an embodiment of the present application includes: a follower assembly 10, a sanding head assembly 30, and a telescoping assembly 50.

Specifically, the sanding head assembly 30 is connected to the telescopic assembly 50 in a floating manner through the follow-up assembly 10, and the sanding head assembly 30 can float relative to the telescopic assembly 50 so as to adjust the angle of the sanding head assembly 30 and adapt to different wall surfaces; the telescoping assembly 50 is capable of driving the sanding head assembly 30 toward or away from the wall surface for providing positive pressure of the sanding head assembly 30 against the wall surface.

According to the self-adaptation follow-up head of polishing 100 of the embodiment of this application, flexible subassembly 50 provides the positive pressure of head of polishing subassembly 30 and the wall of polishing, connect head of polishing subassembly 30 and flexible subassembly 50 through follow-up subassembly 10, guarantee that head of polishing subassembly 30 pastes and leans on in the wall of polishing, make head of polishing subassembly 30 can the different walls of self-adaptation, improve the laminating degree of head of polishing subassembly 30 and wall, it needs artifical manual adjustment and wall laminating degree to solve current head of polishing, the operation is inconvenient and be not suitable for the problem of automatic robot structure, the manpower is saved, guarantee the precision of polishing, satisfy user's the demand of polishing.

The structural features and the connection of the components of the adaptive follow-up sanding head 100 according to the embodiment of the present application will be described with reference to the accompanying drawings.

The self-adaptive follow-up sanding head 100 comprises a follow-up assembly 10, a sanding head assembly 30 and a telescopic assembly 50, wherein the follow-up assembly 10 has the function of ensuring that a sanding head (an execution end of the sanding head assembly 30 and a part acting on a wall surface) is tightly attached to the wall surface, the sanding head assembly 30 is mainly responsible for cutting a convex point of the wall surface, and the telescopic assembly 50 is mainly used for providing constant positive pressure between the sanding head and the wall surface and controlling the sanding head to stretch.

As shown in fig. 2 and 3, the follower assembly 10 includes a universal joint 11, four springs 12, and a connecting seat 13, wherein one end of the connecting seat 13 is fixedly connected to the sanding head assembly 30, the other end of the connecting seat 13 is connected to the universal joint 11, the four springs 12 are distributed around the universal joint 11 at intervals, and two ends of the springs 12 are respectively used for connecting to the telescopic assembly 50 and the sanding head assembly 30. The connecting base 13 includes a base body 131 and four connecting arms 132 extending from the base body 131, the universal joint 11 is mounted on the base body 131, the four connecting arms 132 are spaced around the base body 131, the connecting arms 132 are bent toward the sanding head assembly 30, and one end of each connecting arm 132 away from the base body 131 is used for connecting with the sanding head assembly 30. In other embodiments of the present application, the number of the springs 12 and the number of the connecting arms 132 may be other numbers, and different numbers of the springs 12 and the connecting arms 132 are selected according to actual conditions. It is noted that the universal joint 11 may be a cross joint or a ball joint. As an alternative of the present application, the spring 12 of the present embodiment is a tension spring.

Further, the universal joint 11 is a ball joint, one end of which is connected to the base 131 through a bolt 111, and the other end of which is connected to the telescopic assembly 50. The main body of the universal joint 11 is of a spherical hinge structure, and a threaded rod at the upper end of the universal joint 11 can swing around the main body within a range of 5 degrees, so that the servo assembly 10 can swing relative to the telescopic axis of the telescopic assembly 50. The tension of the four springs 12 keeps the polishing head in the attitude when not in operation, and the polishing head flexibly swings along with the wall surface when in press contact with the wall surface.

Further, the springs 12 correspond to the connecting arms 132 one by one, and each connecting arm 132 is provided with an avoiding hole 133 through which the corresponding spring 12 passes. The spring 12 corresponds to the connecting arm 132, so that the installation space is reasonably utilized, and the avoiding hole 133 on the connecting arm 132 plays a limiting role on the spring 12.

As shown in fig. 3, the sanding head assembly 30 includes a driving motor 31, a dust cover 32, a sanding disc 33, a connecting shaft 34, and a fixing rod 35, the driving motor 31 is located between the dust cover 32 and the seat body 131, and the driving motor 31 is fixed on the dust cover 32 by a screw 361; one end of the connecting arm 132 away from the base 131 is mounted on the dust cover 32 by a bolt 362; a dust suction port 321 is reserved on the dust cover 32, and the dust suction port 321 is matched with a dust suction hose (not shown in the figure); an output shaft of the driving motor 31 penetrates through the dust cover 32 and extends into the dust cover 32, the output shaft of the driving motor 31 is connected with a connecting shaft 34 through a key slot (not marked in the figure), the connecting shaft 34 is positioned in the dust cover 32, the tail end of the connecting shaft 34 is axially fixed on the output shaft of the driving motor 31 through a fixing rod 35, and an external thread of the fixing rod 35 is connected with a shaft end threaded hole (not marked in the figure) of the output shaft of the driving motor 31; the polishing disc 33 is mounted on the connecting shaft 34, the outer side of the polishing disc 33 is fixed by a pressing sheet 37, a threaded hole (not marked in the figure) is formed in the middle of the pressing sheet 37, and the threaded hole is fixedly connected with the external thread of the connecting shaft 34 through a thread pair. The drive motor 31 provides cutting power to the grinding disc 33, and can drive the grinding disc 33 to rotate relative to the dust cover 32.

The dust cap 32 includes a dust cap body 322 and a brush 323 attached to an edge of the dust cap body 322, the brush 323 being disposed around the exterior of the abrasive disc 33, the brush 323 being secured to the dust cap body 322 by a screw 363. Due to the arrangement of the brush 323, the dust cover 32 and the wall surface are well sealed, and dust generated in the polishing process is limited in the dust cover 32.

As shown in fig. 4, the telescopic assembly 50 includes an arm support 51, a telescopic arm 53, a telescopic cylinder 54 and a guide wheel set 55. The arm support 51 comprises a support body (not shown in the figure), a front plate 513, a rear plate, an upper plate and a lower plate, wherein the front plate 513, the rear plate, the upper plate and the lower plate are respectively connected to the front, the rear, the upper and the lower parts of the support body (the front, the rear, the upper and the lower parts are all in the directions shown in figure 4), a notch (not shown in the figure) for the telescopic arm 53 to penetrate through is formed in the front plate 513 of the arm support 51, the left side and the right side of the support body (the left side and the right side are in the left-right direction shown in figure 4) are in an open structure, other parts can be conveniently assembled in the arm support 51, the left side and the right side of the support body are sealed through side plates 515. The telescopic oil cylinder 54 is installed in the arm support 51, a hinge support 518 is arranged in the arm support 51, the hinge support 518 is fixed on the lower plate of the arm support 51 through a bolt 519, and a cylinder body hinge lug of the telescopic oil cylinder 54 is connected with the hinge support 518 through a pin shaft 543. The telescopic arm 53 is a cuboid structure with a hollow interior, a connecting plate 531 is arranged at one end of the telescopic arm 53, the connecting plate 531 is located outside the arm support 51, an opening (not shown) is formed at one end of the telescopic arm 53 opposite to the connecting plate 531, and a telescopic rod of the telescopic oil cylinder 54 extends into the telescopic arm 53 through the opening and is connected with the telescopic arm 53 through a pin 545. The connecting plate 531 is provided with four connecting portions 532, the four springs 12 are respectively in one-to-one correspondence with the four connecting portions 532, and the springs 12 are connected to the connecting portions 532. The guide wheel sets 55 are located in the arm support 51, four guide wheel sets 55 are provided, the four guide wheel sets 55 are distributed on four sides of the telescopic arm 53, a guide wheel seat 551 of the guide wheel set 55 is installed on the arm support 51, a guide wheel 552 of the guide wheel set 55 is fixed on the guide wheel seat 551 through a bolt 553 (the guide wheel 552 can rotate relative to the bolt 553), the guide wheel 552 is in contact with the telescopic arm 53 and can rotate relative to the guide wheel seat 551, and the guide wheel sets 55 are used for guiding and limiting when the telescopic arm 53 moves telescopically. The telescopic arm 53 is telescopic through the telescopic of the telescopic oil cylinder 54 and the guiding limit of the guiding wheel set 55. In other embodiments of the present application, the telescopic cylinder 54 may also adopt other forms of telescopic cylinders, such as a telescopic cylinder, an electric cylinder, or other forms of linear driving structures.

Further, each set of guide wheel set 55 includes two guide wheels 552, and the two guide wheels 552 are disposed at intervals along the length direction of the telescopic arm 53, so as to ensure the stability of the telescopic movement of the telescopic arm 53.

The working principle of the adaptive follow-up sanding head 100 according to the embodiment of the present application is:

after the sanding head assembly 30 and the telescopic assembly 50 are assembled respectively, the connecting arm 132 is fixed with the dust cover 32, the universal joint 11 is installed on the seat body 131 of the connecting seat 13, the connecting seat 13 is connected with the connecting plate 531 of the telescopic arm 53 through the universal joint 11, two ends of the spring 12 are connected with the dust cover 32 and the connecting plate 531 respectively, and the assembly of the self-adaptive follow-up sanding head 100 is completed; before polishing, the polishing disk 33 of the polishing head assembly 30 is attached to the wall surface, the telescopic arm 53 is driven to be telescopic through the telescopic oil cylinder 54, positive pressure is provided for the polishing head assembly 30, and cutting force is provided for the polishing head assembly 30 through the driving motor 31.

The self-adaptive follow-up sanding head 100 according to the embodiment of the application has the beneficial effects that:

1. the connecting seat 13 of the follow-up component 10 is directly connected with the telescopic arm 53 through the universal joint 11, the universal joint 11 adopts a spherical hinge structure, and a screw rod at the upper end of the universal joint 11 can swing within the maximum inclination angle range of 5 degrees, so that the universal swing of the polishing head is realized, and the problems that the existing polishing head needs manual adjustment to be attached to a wall surface, is inconvenient to operate and is not suitable for an automatic robot structure are solved;

2. the dust cover 32 is provided with four uniformly distributed springs 12, and is connected with the telescopic arm 53 through the four springs 12, the tension of the springs 12 can ensure that the polishing head flexibly swings along with the wall surface when the polishing head is in press contact with the wall surface, and provides follow-up force for the polishing head to be attached to the wall surface, so that the problem that the polishing quality is influenced due to the fact that the polishing head is inconvenient to adjust in rigid connection in the prior art is solved;

3. the dust cover 32 is provided with a dust suction port 321 connected with a dust collector hose, the dust cover 32 is provided with a dust brush 323, and dust in the polishing process is limited in the dust cover 32, so that the pollution of the dust to the environment is avoided, and the defect that the dust harms the health of workers in the conventional manual operation or semi-automatic operation process is overcome;

4. the positive cutting pressure of the adaptive follow-up sanding head 100 is provided by the telescopic cylinder 54 in the telescopic assembly 50, and the cutting force of the sanding head is provided by the driving motor 31, so that the power transmission structure in the sanding operation process is simplified, and the sanding quality is improved.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a self-adaptation follow-up head of polishing which characterized in that, includes follow-up subassembly, the head subassembly of polishing and flexible subassembly, the head subassembly of polishing passes through follow-up subassembly float connect in flexible subassembly, flexible subassembly is used for providing the positive pressure of head subassembly of polishing and wall.

2. The adaptive servo-actuated sanding head of claim 1, wherein the servo-actuated assembly comprises a universal joint, a spring, the sanding head assembly is connected to the telescoping assembly through the universal joint, and both ends of the spring are connected to the telescoping assembly and the sanding head assembly, respectively.

3. The adaptive follow-up sanding head according to claim 2 wherein the spring is provided in plurality, a plurality of the springs being spaced around the universal joint.

4. The adaptive servo-actuated sanding head of claim 3, further comprising a connecting seat, one end of the connecting seat being fixedly connected to the sanding head assembly and the other end of the connecting seat being hingedly connected to the telescoping assembly via the universal joint.

5. The adaptive servo-actuated sanding head of claim 4 wherein the connecting base includes a base and a plurality of connecting arms extending from the base, the universal joint being mounted to the base, the plurality of connecting arms being spaced around the base, an end of each connecting arm distal from the base being connected to the sanding head assembly.

6. The adaptive servo-actuated sanding head of claim 5 wherein the springs are in one-to-one correspondence with the connecting arms, each connecting arm having an avoiding hole through which the corresponding spring passes.

7. The adaptive servo-actuated grinding head of claim 5, wherein the grinding head assembly comprises a drive motor, a dust cover, and a grinding disc, the drive motor is located between the dust cover and the base, an end of the connecting arm remote from the base is connected to the dust cover, the grinding disc is located in the dust cover and is in transmission connection with an output shaft of the drive motor, and the drive motor is used for driving the grinding disc to rotate relative to the dust cover.

8. The adaptive servo sanding head of claim 7, wherein the dust boot includes a dust boot body and a brush attached to an edge of the dust boot body, the brush being disposed around an exterior of the sanding disc.

9. The adaptive follow-up sanding head of claim 7 wherein the dust boot has a dust suction opening formed therein, the dust suction opening communicating with the interior of the dust boot, the dust suction opening for connection to a dust suction device.

10. The self-adaptive follow-up sanding head according to claim 1, wherein the telescopic assembly comprises a boom, a telescopic arm, a telescopic cylinder and a guide wheel set, the telescopic cylinder is mounted in the boom, one end of the telescopic cylinder is connected with the boom, the other end of the telescopic cylinder is connected with the telescopic arm, the telescopic arm is connected with the follow-up assembly, the telescopic cylinder is used for driving the telescopic arm to extend or retract relative to the boom, the guide wheel set is arranged in the boom, and the guide wheel set is used for guiding and limiting when the telescopic arm moves in a telescopic mode.