CN211760548U

CN211760548U - Abrasive belt grinding tool for robot

Info

Publication number: CN211760548U
Application number: CN202020205193.5U
Authority: CN
Inventors: 李沛海; 甘能; 李明蓉; 王浪; 汪健; 田佳卉; 刘佑渝
Original assignee: Chongqing Changzheng Heavy Industry Co Ltd
Current assignee: Chongqing Changzheng Heavy Industry Co Ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-10-27
Anticipated expiration: 2030-02-24

Abstract

The utility model discloses an abrasive belt grinding tool for a robot, which comprises an abrasive belt grinding tool main body consisting of an abrasive belt, a driving wheel, a driven wheel and a supporting seat, wherein the driving wheel and the driven wheel are both arranged on the supporting seat and are respectively positioned at two ends of the supporting seat; the supporting seat is provided with a supporting component close to the driving wheel and the driven wheel respectively. The utility model discloses the bracing member is all installed to the position that is close to the action wheel on the supporting seat and follows the driving wheel for the in-process abrasive band that grinding tool used owner, driven end all have the bracing member to provide the holding power, guarantee in abrasive band grinding tool use action wheel and follow the driving wheel homoenergetic provide sufficient holding power.

Description

Abrasive belt grinding tool for robot

Technical Field

The utility model relates to a grinding tool, in particular to abrasive band grinding tool for robot.

Background

When products are polished, abrasive belt polishing tools are generally used for polishing products with higher surface roughness quality requirements in a manual polishing mode, abrasive belt polishing tools with different specifications and models or different particle sizes are required to be replaced according to different product requirements in the polishing process, manual polishing and tool replacement are influenced by operation skills, and the problems of low polishing speed and low efficiency generally exist. In order to solve the problem, a feasible mode that a robot replaces the manual work is adopted, and the grinding efficiency can be effectively improved.

But the burnisher that is connected with the robot at present is single-point bearing structure, only implements the control of grinding force from following driving wheel one end usually, and the driving wheel end is unsettled structure, can not exert grinding force for grinding efficiency reduces, can cause the influence to the quality of polishing even.

Disclosure of Invention

The invention aims to: aiming at the problem of low grinding efficiency caused by the fact that only one end of a driven wheel is provided with a force control device in an abrasive belt grinding tool for a robot in the prior art, the abrasive belt grinding tool for the robot is provided, wherein driving wheels and the driven wheels at two ends of an abrasive belt are both provided with grinding force supporting members.

In order to achieve the purpose of the invention, the utility model provides the following technical scheme:

an abrasive belt grinding tool for a robot comprises an abrasive belt grinding tool main body consisting of an abrasive belt, a driving wheel, a driven wheel and a supporting seat, wherein the driving wheel and the driven wheel are arranged on the supporting seat and are respectively positioned at two ends of the supporting seat; the supporting seat is provided with a supporting component close to the driving wheel and the driven wheel respectively.

Adopt above-mentioned technical scheme the utility model discloses, action wheel and the both ends that are located the abrasive band from the driving wheel, and the action wheel is installed on the supporting seat with following the driving wheel, be close to the action wheel on the supporting seat and all install supporting member from the position of driving wheel, make the in-process abrasive band owner of tool for polishing using, all there is supporting member to provide the holding power from the end, guarantee that action wheel and driven wheel department homoenergetic provide sufficient holding power in the abrasive band tool for polishing use, this tool for polishing links to each other with the robot, the efficiency and the quality of the automatic polishing of robot have been improved.

Further, the device also comprises a mounting bracket; the free ends of the support members are connected to a mounting bracket, the mounting bracket is further provided with a clamping member, the clamping member is positioned on the back surface of the mounting bracket opposite to the main body of the abrasive belt grinding tool, and the clamping member is positioned in the middle between the two support members. The clamping component is used for being connected with the robot arm, so that the grinding force applied by the robot is basically and uniformly transmitted to the two grinding belt wheels through the two supporting components, and the grinding efficiency and the grinding quality are further improved.

Furthermore, mounting lugs are protruded from the mounting bracket towards two sides of the middle part of the abrasive belt grinding tool main body; the supporting seat is in a shape of concave channel steel and is connected with the mounting bracket through the middle parts of two side walls of the channel steel and mounting lugs on the mounting bracket; the supporting member is of a telescopic structure and is hinged with the supporting seat. In the process of pushing out or retracting the supporting member, the supporting seat is driven to rotate, so that the position of the abrasive belt is raised, lowered or rotated, namely the abrasive belt can be adjusted in multiple angle states of being parallel or inclined relative to the horizontal position; the middle part of supporting seat is articulated with the installation journal stirrup for when the supporting seat both ends all were connected with supporting member, a tie point had been more at the middle part, made the supporting seat atress more balanced, strengthened supporting member's structural stability. Wherein, extending structure includes screw-nut adjustment structure to and from electrified electric jar or cylinder etc. of taking power.

Furthermore, the supporting component comprises an air cylinder, and a cylinder body of the air cylinder is fixedly connected to the mounting bracket; fixedly connected with articulates the seat on the supporting seat, articulates the piston rod of seat and cylinder. The two cylinders can drive the supporting seat to ascend, descend or rotate through the hinged seat, and then the position of the abrasive belt can be changed synchronously. The abrasive belt grinding tool main body posture adjustment is realized by utilizing the self-driven component with simple structure and mature technology, the structure is simplified, and the cost is reduced.

Furthermore, the driving wheel is fixedly connected to the driving shaft, and the driven wheel is arranged on the driven shaft; drive shaft and driven shaft all set up through the channel-section steel both sides wall of supporting seat, and the drive shaft rotationally establishes on the supporting seat. So as to form a structure convenient for disassembly and assembly and improve the maintenance convenience; wherein, the action wheel is connected with drive arrangement, and drive arrangement will rotate the transmission to the action wheel through the drive shaft, therefore action wheel and drive shaft can not produce relative rotation, when the abrasive band was polished, action wheel and drive shaft will rotate in step.

Further, the driving shaft is driven by a motor to rotate; the motor is arranged on the supporting seat. To form a simple sanding power transmission structure.

Furthermore, an angle steel-shaped motor seat is arranged on the supporting seat, one edge of angle steel of the motor seat is lapped on the outer end face of the bottom of the channel steel of the supporting seat and is fixedly connected with the supporting seat through the lapping edge, and the other edge of the angle steel of the motor seat is abutted against the corresponding side wall of the channel steel; motor fixed connection supports to lean on the angle steel of lateral wall at the motor cabinet and corresponds the edge. The motor cabinet is the angle steel form, simple structure, and convenient processing, the equal overlap joint in the outer terminal surface of supporting seat in both sides of motor cabinet simultaneously can all lock the both sides of motor cabinet on the supporting seat, strengthens the stability in motor position.

Further, the driven wheel is rotatably provided on the driven shaft. The driven wheel is conveniently arranged on the driven shaft through a bearing, so that the service life is prolonged; wherein, the driven shaft can be fixed, also can rotationally establish on the supporting seat.

Furthermore, the supporting seat is hinged with the mounting bracket through the same hinge shaft supported on the two side walls of the channel steel; the articulated shaft is provided with a supporting wheel used for supporting the abrasive belt. Therefore, the driving wheel and the driven wheel are arranged at the two ends of the abrasive belt respectively, and the supporting wheel is arranged in the middle of the abrasive belt, so that the abrasive belt has more bearing parts when being polished, and the polishing efficiency is higher.

Further, the clamping member is circumferentially connected with an air inlet interface and an air outlet interface; a bulge is formed on one side surface of the mounting bracket, which is provided with the clamping component, and two positioning holes are formed on the bulge. The clamping component is used for facilitating the taking and using of the abrasive belt polishing tool for the whole robot by the manipulator, and the air inlet interface and the air outlet interface are communicated with the air passage of the air cylinder, so that the air cylinder can be normally used; the positioning hole can be used for positioning between the clamping component and the robot arm, and can also be used for storing and positioning tools when the tools are replaced.

Compared with the prior art, the beneficial effects of the utility model are that: the driving wheel and the driven wheel are located at two ends of the abrasive belt, the driving wheel and the driven wheel are installed on the supporting seat, and the supporting members are installed at positions, close to the driving wheel and the driven wheel, on the supporting seat, so that the supporting members are arranged at the driving end and the driven end of the abrasive belt to provide supporting force in the using process of the abrasive belt polishing tool, sufficient downward pressure can be provided at the driving wheel and the driven wheel in the using process of the abrasive belt polishing tool, the polishing tool is connected with a robot, and the automatic polishing efficiency and quality of the robot are improved.

Description of the drawings:

the accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention in any way. In the drawings:

fig. 1 shows a schematic structural diagram of the present invention.

Fig. 2 shows a schematic view of a part of the structure of the present invention.

Fig. 3 shows a schematic structural view of the abrasive belt grinding tool body and the mounting bracket in an inclined state.

Fig. 4 shows a top view of fig. 1.

Fig. 5 shows a side view of fig. 1.

Wherein the figures include the following reference numerals:

1, sanding belt;

2, driving wheels; 21 a drive shaft;

3, a driven wheel; 31 a driven shaft;

4 a support member; 41 air cylinders; 42 a hinged seat;

5, mounting a bracket; 51, positioning holes;

6 supporting wheels; 61, hinging a shaft;

7, a motor; 71 a motor base;

8 a clamping member; an air inlet port of 81; 82 an air outlet interface;

9 supporting the base.

Detailed Description

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In order to make the technical solutions better understood by those skilled in the art, 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 only partial embodiments of the present application, but not all embodiments. 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 the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 to 3, a belt sander for a robot includes a belt sander body composed of a sanding belt 1, a driving wheel 2, a driven wheel 3 and a support 9, wherein the driving wheel 2 and the driven wheel 3 are mounted on the support 9 and located at two ends of the support 9 respectively; preferably, the support 9 is provided with a support member 4 adjacent to the driving wheel 2 and the driven wheel 3, respectively.

Preferably, the device also comprises a mounting bracket 5; the free ends of the support members 4 are connected to a mounting bracket 5, the mounting bracket 5 is further provided with a clamping member 8, the clamping member 8 is located on the back side of the mounting bracket 5 opposite to the belt sander body, and the clamping member 8 is located in the middle between the two support members 4.

Preferably, the mounting bracket 5 is provided with mounting lugs protruding towards two sides of the middle part of the abrasive belt grinding tool main body; the supporting seat 9 is in a shape of concave channel steel, and the supporting seat 9 is connected with the mounting bracket 5 through the middle parts of two side walls of the channel steel and mounting lugs on the mounting bracket 5; the supporting member 4 is of a telescopic structure, and the supporting member 4 is hinged with the supporting seat 9.

Preferably, the supporting member 4 comprises a cylinder 41, and a cylinder body of the cylinder 41 is fixedly connected to the mounting bracket 5; the supporting seat 9 is fixedly connected with a hinged seat 42, and the hinged seat 42 is hinged with a piston rod of the air cylinder 41.

Preferably, the driving wheel 2 is fixedly connected to the driving shaft 21, and the driven wheel 3 is arranged on the driven shaft 31; drive shaft 21 and driven shaft 31 all set up through the channel-section steel both sides wall of supporting seat 9, and drive shaft 21 rotationally establishes on supporting seat 9.

Preferably, the driving shaft 21 is driven to rotate by the motor 7; the motor 7 is arranged on the supporting seat 9.

Preferably, an angle steel-shaped motor base 71 is arranged on the support base 9, one edge of an angle steel of the motor base 71 is lapped on the outer end face of the bottom of the channel steel of the support base 9 and is fixedly connected with the support base 9 through the lapping edge, and the other edge of the angle steel of the motor base 71 is abutted against the corresponding side wall of the channel steel; the motor 7 is fixedly connected to the corresponding edge of the angle steel of the motor base 71 abutting against the side wall.

Preferably, the driven wheel 3 is rotatably provided on the driven shaft 31.

Preferably, the supporting seat 9 is hinged with the mounting bracket 5 through the same hinge shaft 61 supported on the two side walls of the channel steel; on the articulated shaft 61 there is provided a support wheel 6 for supporting the sanding belt 1.

Referring to fig. 4, a top view of the belt sander tool is shown. Preferably, the clamping member 8 is circumferentially connected with an air inlet port 81 and an air outlet port 82; a protrusion is formed on one side surface of the mounting bracket 5 where the clamping member 8 is provided, and two positioning holes 51 are formed on the protrusion.

As shown in fig. 5, which is a left side view of the sanding tool, the mounting bracket 5 includes a mounting transverse plate above, and two protruding mounting lugs symmetrically disposed, the mounting lugs are both in the shape of an inverted triangle and are symmetrical to each other, and the hinge shaft 61 penetrates through and is connected to the two mounting lugs; the supporting seat 9 is simultaneously connected with the two mounting lugs through a hinge shaft 61; the motor base 71 is arranged on the supporting base 9 so as to position the motor 7, the motor base 71 is in an angle steel shape (L shape), one plane is fixedly connected with the motor 7, the other vertical plane is connected to the supporting base 9 and is provided with a clearance groove, and the clearance groove provides a position for the hinge base 42 to be directly arranged on the supporting base 9; or, two L-shaped planes of the motor base 71 are fixed to the support base 9. The support seat 9 is in a channel steel shape with a concave shape, and the opening faces the driving shaft 21 and the driven shaft 31; the driving shaft 21, the driven shaft 31 and the hinge shaft 61 penetrate through and are connected to two side walls of the supporting seat 9; and the driving wheel 2, the driven wheel 3 and the supporting wheel 6 are all positioned in the groove of the channel steel, namely the thickness of the three wheels is smaller than the width of the channel steel.

In this embodiment, the motor 7 drives the driving shaft 21 to rotate, and the driving shaft 21 drives the driving wheel 2 to rotate together, so that the motor 7, the driving shaft 21 and the driving wheel 2 cannot rotate relatively.

During the specific use, the flexible length of two cylinders 41 can be adjusted according to the needs of polishing, and then the position of action wheel 2 and follow driving wheel 3 is adjusted through supporting seat 9 for the position of abrasive band 1 and the pushing down force of polishing are adjusted. When in polishing, the section of the abrasive belt 1 close to the driven wheel 3 can be used for polishing; when a large plane is polished, the whole section of abrasive belt 1 between the driven wheel 3 and the supporting wheel 6 can be used for polishing so as to improve the polishing efficiency; in order to protect motor 7, the section of sanding belt 1 on drive wheel 2 is generally not involved in sanding.

In this embodiment, one end of the supporting member 4 is hinged to the supporting seat 9, and the other end of the supporting member 4 is fixedly connected to the mounting bracket 5; in specific use, one end of the supporting member 4 can be hinged with the mounting bracket 5, and the other end of the supporting member 4 is fixedly connected to the supporting seat 9.

In this embodiment, a motor shaft of the motor 7 is coaxially and fixedly connected with the driving shaft 21 through a coupling. When the motor is used specifically, a special motor with a lengthened motor shaft can be customized, the lengthened motor shaft is directly used as the driving shaft 21, and the driving shaft 21 does not need to be additionally arranged.

In this embodiment, the driven shaft 31 may be fixed on the supporting seat 9, and may also be rotatably arranged on the supporting seat 9; when rotatably arranged, a sliding bearing is preferably arranged between the two.

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. An abrasive belt grinding tool for a robot comprises an abrasive belt grinding tool main body consisting of an abrasive belt (1), a driving wheel (2), a driven wheel (3) and a supporting seat (9), wherein the driving wheel (2) and the driven wheel (3) are both arranged on the supporting seat (9) and are respectively positioned at two ends of the supporting seat (9); the device is characterized in that the supporting seat (9) is provided with a supporting component (4) close to the driving wheel (2) and the driven wheel (3) respectively.

2. A robot belt sanding tool according to claim 1, further comprising a mounting bracket (5); the free ends of the supporting members (4) are connected to the mounting support (5), the mounting support (5) is further provided with a clamping member (8), the clamping member (8) is located on the back face, opposite to the abrasive belt grinding tool body, of the mounting support (5), and the clamping member (8) is located in the middle between the two supporting members (4).

3. A belt sander tool for robots as claimed in claim 2, wherein said mounting bracket (5) has mounting lugs protruding towards both sides of the middle of the belt sander tool body; the supporting seat (9) is in a shape of concave channel steel, and the supporting seat (9) is connected with the mounting bracket (5) through the middle parts of two side walls of the channel steel and mounting lugs on the mounting bracket (5); the supporting member (4) is of a telescopic structure, and the supporting member (4) is hinged with the supporting seat (9).

4. A belt sanding tool for robots according to claim 3, characterized in that the support member (4) comprises a cylinder (41), the cylinder body of the cylinder (41) being fixedly connected to the mounting bracket (5); fixedly connected with articulated seat (42) on supporting seat (9), articulated seat (42) with the piston rod of cylinder (41) is articulated.

5. A belt sanding tool for robots according to claim 3, characterized in that the driving wheel (2) is fixedly connected to the driving shaft (21) and the driven wheel (3) is arranged on the driven shaft (31); drive shaft (21) and driven shaft (31) all pass through the channel-section steel both sides wall setting of supporting seat (9), just drive shaft (21) rotationally establish on supporting seat (9).

6. Belt sanding tool for a robot according to claim 5, characterized in that the drive shaft (21) is driven in rotation by a motor (7); the motor (7) is arranged on the supporting seat (9).

7. The belt sander tool for robots as claimed in claim 6, wherein an angle steel motor base (71) is arranged on the support base (9), one edge of an angle steel of the motor base (71) is lapped on the outer end face of the bottom of a channel steel of the support base (9) and is fixedly connected with the support base (9) through the lapping edge, and the other edge of the angle steel of the motor base (71) is abutted against the corresponding side wall of the channel steel; the motor (7) is fixedly connected to the edge corresponding to the angle steel abutted to the side wall of the motor base (71).

8. Belt sanding tool for a robot according to claim 5, characterized in that the driven wheel (3) is rotatably arranged on the driven shaft (31).

9. A robot belt sanding tool according to claim 3, wherein the support base (9) is hinged to the mounting bracket (5) by means of the same hinge axis (61) supported on both side walls of the channel; and a supporting wheel (6) for supporting the abrasive belt (1) is arranged on the articulated shaft (61).

10. Abrasive belt sanding tool for robots according to claim 2, wherein an air inlet connection (81) and an air outlet connection (82) are connected circumferentially to the clamping member (8); a bulge is formed on one side surface of the mounting bracket (5) provided with the clamping component (8), and two positioning holes (51) are formed in the bulge.