Polishing device for robot accessory machining

Abstract

The utility model discloses a polishing device for robot accessory machining, which comprises a workbench, a portal frame is horizontally and transversely arranged on the workbench in a sliding manner, a mounting seat is horizontally and longitudinally arranged on the portal frame, an electric push rod is arranged at the bottom end of the mounting seat, and a first mounting frame is arranged at the bottom end of the electric push rod; a second mounting frame is rotatably mounted at the bottom end of the first mounting frame, a first motor is in transmission connection with the second mounting frame, a driving shaft is rotatably mounted on the second mounting frame through a bearing, a second motor is in transmission connection with the driving shaft, a grinding piece is arranged at the bottom end of the driving shaft, and a locking sleeve is rotatably mounted at the top end of the grinding piece; the locking sleeve is in threaded fit with the driving shaft, a connecting limiting structure is arranged between the connecting column and the driving shaft, and a rotating limiting structure matched with the locking sleeve is arranged on the driving shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of robot accessory processing, and more specifically, to a grinding device for robot accessory processing. Background Art

[0002] Robot parts grinding refers to the process of grinding, polishing and finishing the surface of robot parts. This process aims to improve the finish, flatness and precision of the parts surface to meet design requirements and aesthetic needs.

[0003] The existing grinding device for processing robot parts has a complex installation structure for the grinding parts when grinding robot parts, and the installation and disassembly convenience is poor, and it is not convenient to flexibly change the specifications of the grinding parts according to needs;

[0004] In addition, the grinding parts in the existing grinding devices for processing robot parts are mostly installed vertically downward, which makes it inconvenient to adjust the grinding direction of the grinding parts, and thus it is not convenient to flexibly adjust when grinding the side slot structure of the robot parts, affecting the convenience of use. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the problems existing in the prior art, the utility model provides a grinding device for processing robot parts to solve the technical problems mentioned in the background technology that the grinding direction of the grinding device for processing robot parts in the prior art is not easy to adjust and the grinding parts are not easy to install and disassemble.

[0007] (II) Technical solution

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] A grinding device for processing robot parts comprises a workbench, a gantry is arranged on the workbench for horizontal and transverse sliding, a mounting seat is arranged on the gantry for horizontal and longitudinal movement, an electric push rod is arranged at the bottom end of the mounting seat, a first mounting frame is arranged at the bottom end of the electric push rod, a second mounting frame is rotatably mounted on the bottom end of the first mounting frame, and a first motor is arranged for transmission connection with the second mounting frame, a driving shaft is rotatably mounted on the second mounting frame through a bearing, and a second motor is arranged for transmission connection with the driving shaft, a grinding piece is arranged at the bottom end of the driving shaft, a locking sleeve is rotatably mounted on the top end of the grinding piece, the locking sleeve is threadedly matched with the driving shaft, a connecting column is arranged at the top end of the grinding piece, a limiting plate is arranged on the top end of the connecting column for cooperation with the driving shaft, the locking sleeve is rotatably sleeved on the connecting column and is located below the limiting plate to realize the limited installation of the locking sleeve on the grinding piece, a connecting limiting structure is arranged between the connecting column and the driving shaft, and a rotation limiting structure is arranged on the driving shaft for cooperation with the locking sleeve.

[0010] The utility model is further configured that the connection limiting structure includes a limiting block arranged on the top of the limiting plate, and the bottom end of the driving shaft cooperates with the limiting block to form a limiting groove to achieve the limiting installation between the grinding piece and the driving shaft.

[0011] The utility model is further configured such that the rotation limiting structure includes a fixed plate arranged on the driving shaft, a sliding plate is slidably arranged below the fixed plate, an elastic connecting piece is arranged between the sliding plate and the fixed plate, a limiting snap-fit ​​structure is arranged between the bottom end of the sliding plate and the locking sleeve, and the rotation limiting of the locking sleeve is achieved by the cooperation of the elastic connecting piece, the sliding plate and the limiting snap-fit ​​structure.

[0012] The utility model is further configured such that the limit engaging structure includes an engaging column arranged at the bottom end of the sliding plate, and an engaging groove is provided at the top end of the locking sleeve to cooperate with the engaging column, and the sliding plate can limit the rotation of the locking sleeve through the cooperation of the engaging column and the engaging groove.

[0013] The utility model is further configured that the elastic connecting member comprises a telescopic column arranged between the fixed plate and the sliding plate, and a spring is sleeved on the outer side of the telescopic column to realize the elastic limiting connection between the sliding plate and the fixed plate.

[0014] The utility model is further configured such that a ball screw is installed horizontally and longitudinally on the gantry, and a third motor is provided for transmission connection with the ball screw, a screw nut is provided on the ball screw, and the mounting seat is installed on the screw nut to realize horizontal and longitudinal movement drive of the mounting seat on the gantry.

[0015] The utility model is further configured that the workbench is provided with an electric slide rail, and the bottom end of the gantry is provided with a sliding seat to realize the horizontal lateral movement drive of the gantry on the workbench.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a grinding device for processing robot parts, which has the following beneficial effects:

[0018] 1. In the present invention, the second mounting frame can be controlled by the first motor to perform rotation adjustment on the first mounting frame, thereby realizing rotation adjustment of the drive shaft and the grinding piece, thereby realizing flexible adjustment of the grinding direction of the grinding piece.

[0019] 2. In the utility model, the top end of the grinding part is threadedly matched with the driving shaft through the locking sleeve, and a connection limit structure is arranged between the connecting column and the driving shaft, wherein the connection limit structure includes a limit block arranged at the top end of the limit plate, and the bottom end of the driving shaft cooperates with the limit block to form a limit groove, so that the connection limit between the grinding part and the driving shaft can be achieved through the cooperation of the limit block and the limit groove, and then the locking sleeve is screwed on the driving shaft to achieve locking and fixation when the grinding part and the driving shaft are connected, which can conveniently realize the installation and disassembly of the grinding part on the driving shaft, and facilitate the replacement of the grinding part.

[0020] 3. The utility model is provided with a rotation limiting structure on the driving shaft in cooperation with the locking sleeve, wherein a connecting column is provided at the top of the grinding piece, a limiting plate is provided at the top of the connecting column in cooperation with the driving shaft, and the locking sleeve is rotatably sleeved on the connecting column and located below the limiting plate; the rotation limiting structure comprises a fixed plate provided on the driving shaft, a sliding plate is slidably provided below the fixed plate, an elastic connecting piece is provided between the sliding plate and the fixed plate, and a limited engaging structure is provided between the bottom end of the sliding plate and the locking sleeve; in this way, during the locking process of the locking sleeve, the locking sleeve is The sliding plate slides upward on the driving shaft and squeezes the elastic connecting piece, which can provide sufficient installation space for the locking sleeve. After the locking sleeve is installed, the locking sleeve is loosened. Under the action of the elastic connecting piece, the sliding plate can be squeezed downward on the driving shaft, so that the engaging column on the sliding plate is engaged with the engaging groove at the top end of the locking sleeve. The rotation of the locking sleeve can be limited by the cooperation between the engaging column and the engaging groove, thereby improving the connection stability between the locking sleeve and the driving shaft, and further improving the installation stability of the grinding part on the driving shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of a grinding device for processing robot parts in the utility model;

[0022] Figure 2 It is a schematic diagram of the exploded structure of the connection between the grinding member and the driving shaft in the utility model;

[0023] Figure 3It is a cross-sectional schematic diagram of the connection structure between the grinding member and the driving shaft in the utility model;

[0024] Figure 4 It is a schematic diagram of the grinding angle adjustment state of the grinding piece in the utility model;

[0025] Figure 5 It is a schematic cross-sectional view of the overall structure of the utility model.

[0026] In the figure: 1. workbench; 2. gantry; 3. mounting seat; 4. electric push rod; 5. first mounting frame; 6. second mounting frame; 7. first motor; 8. drive shaft; 9. second motor; 10. grinding piece; 11. locking sleeve; 12. connecting column; 13. limit plate; 14. limit block; 15. limit groove; 16. fixed plate; 17. sliding plate; 18. elastic connecting piece; 19. engaging column; 20. engaging groove; 21. telescopic column; 22. spring; 23. ball screw; 24. third motor; 25. screw nut; 26. electric slide rail; 27. sliding seat. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0029] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0030] See also Figure 1-5A grinding device for processing robot parts comprises a workbench 1, a gantry 2 is horizontally and transversely slidably arranged on the workbench 1, a mounting seat 3 is horizontally and longitudinally arranged on the gantry 2, an electric push rod 4 is arranged at the bottom end of the mounting seat 3, a first mounting frame 5 is arranged at the bottom end of the electric push rod 4, a second mounting frame 6 is rotatably mounted on the bottom end of the first mounting frame 5, and a first motor 7 is arranged in transmission connection with the second mounting frame 6, a driving shaft 8 is rotatably mounted on the second mounting frame 6 through a bearing, and a second motor 9 is arranged in transmission connection with the driving shaft 8, and a grinding piece 10 is arranged at the bottom end of the driving shaft 8, so that the second mounting frame 6 can be controlled by the first motor 7 to rotate and adjust on the first mounting frame 5, so that the rotation adjustment of the driving shaft 8 and the grinding piece 10 can be realized, so that the grinding direction of the grinding piece 10 can be flexibly adjusted;

[0031] The utility model is provided with a locking sleeve 11 rotatably mounted on the top of the grinding piece 10, the locking sleeve 11 is threadedly matched with the driving shaft 8, a connection limiting structure is provided between the connecting column 12 and the driving shaft 8, and a rotation limiting structure is provided on the driving shaft 8 in cooperation with the locking sleeve 11, wherein a connecting column 12 is provided on the top of the grinding piece 10, a limiting plate 13 is provided on the top of the connecting column 12 in cooperation with the driving shaft 8, and the locking sleeve 11 is rotatably sleeved on the connecting column 12 and is located below the limiting plate 13;

[0032] The connection limiting structure includes a limiting block 14 arranged at the top of the limiting plate 13, and a limiting groove 15 is formed at the bottom end of the driving shaft 8 in cooperation with the limiting block 14;

[0033] The rotation limiting structure includes a fixed plate 16 arranged on the driving shaft 8, a sliding plate 17 is slidably arranged below the fixed plate 16, an elastic connecting member 18 is arranged between the sliding plate 17 and the fixed plate 16, and a limited position engaging structure is arranged between the bottom end of the sliding plate 17 and the locking sleeve 11;

[0034] The position limiting engaging structure includes an engaging column 19 arranged at the bottom end of the sliding plate 17 , and an engaging groove 20 is formed at the top end of the locking sleeve 11 to cooperate with the engaging column 19 .

[0035] Specifically, when installing the grinding piece 10, the limiting block 14 at the top of the limiting plate 13 is engaged with the limiting groove 15 at the bottom of the driving shaft 8, and the limiting plate 13 is set to fit the bottom of the driving shaft 8. After that, the locking sleeve 11 is screwed on the bottom of the driving shaft 8 and the limiting plate 13 is squeezed to achieve stable installation of the grinding piece 10 on the driving shaft 8.

[0036] During this process, the sliding plate 17 is slid upward on the drive shaft 8 and the elastic connecting piece 18 is squeezed, so that sufficient installation space can be given to the locking sleeve 11. After the locking sleeve 11 is installed, the locking sleeve 11 is loosened, and under the action of the elastic connecting piece 18, the sliding plate 17 can be squeezed downward on the drive shaft 8, so that the engaging column 19 on the sliding plate 17 is engaged with the engaging groove 20 at the top of the locking sleeve 11. The rotation of the locking sleeve 11 can be limited by the cooperation between the engaging column 19 and the engaging groove 20, thereby improving the connection stability between the locking sleeve 11 and the drive shaft 8, and then improving the installation stability of the grinding piece 10 on the drive shaft 8.

[0037] See also Figure 1-Figure 5 As an implementation of the elastic connecting member 18 , the elastic connecting member 18 includes a telescopic column 21 disposed between the fixed plate 16 and the sliding plate 17 , and a spring 22 is sleeved on the outer side of the telescopic column 21 .

[0038] Specifically, the elastic connection between the sliding column and the fixed column can be achieved through the cooperation of the telescopic column 21 and the spring 22 .

[0039] See also Figure 1-Figure 5 As an implementation method of the mounting seat 3: a ball screw 23 is horizontally and longitudinally installed on the gantry 2, and a third motor 24 is provided for transmission connection with the ball screw 23, a screw nut 25 is provided on the ball screw 23, and the mounting seat 3 is installed on the screw nut.

[0040] Specifically, the third motor 24 is started, and the driving of the ball screw 23 can be controlled by the third motor 24 . The driving of the ball screw 23 controls the movement driving of the screw nut, thereby realizing the movement driving of the mounting seat 3 .

[0041] See also Figure 1-Figure 5 As an implementation method of the gantry 2 : an electric slide rail 26 is provided on the workbench 1 , and a sliding seat 27 is provided at the bottom end of the gantry 2 .

[0042] Specifically, the gantry 2 can be driven to move on the workbench 1 through the cooperation of the electric slide rail 26 and the slide seat 27 .

[0043] The utility model provides a clamping and fixing structure on the workbench 1, which is used for clamping and fixing robot accessories when grinding;

[0044] The clamping and fixing includes a positioning seat arranged on one side of the workbench, and a tightening seat arranged on the other side of the workbench, wherein the tightening seat can be slidably arranged on the workbench;

[0045] A moving groove is provided on the workbench, a moving rod is rotatably installed in the moving groove through a bearing, a first driving member is provided on the workbench for transmission connection with the moving rod, a moving block is provided at the bottom end of the clamping seat, the moving block is slidably located in the moving groove, and is threadedly sleeved on the moving rod;

[0046] The fixed seat and the clamping seat are both symmetrically and slidably provided with L-shaped clamping blocks, wherein the fixed seat and the clamping seat are both provided with adjustment grooves, the bidirectional screw of the shaft is rotated in the adjustment grooves through the bearing, and the bidirectional screw is provided with a second driving member for transmission connection, and the inner end of the clamping block is provided with an adjustment block, and the adjustment block is threadedly sleeved on the bidirectional screw;

[0047] Wherein, the first driving member and the second driving member are both motor driving structures.

[0048] In this way, the position and distance of the clamping block can be flexibly adjusted, and the robot accessories can be tightened and fixed on the workbench during grinding through the cooperation of the clamping block.

[0049] In summary, when the overall equipment is in use:

[0050] The gantry 2 can be driven to move horizontally on the workbench 1 by the cooperation of the electric slide rail 26 and the slide seat 27, thereby realizing the horizontal lateral movement of the mounting frame relative to the workbench 1.

[0051] The horizontal and longitudinal movement drive of the mounting seat 3 on the gantry 2 can be controlled by the cooperation of the third motor 24, the ball screw 23 and the screw nut;

[0052] Thus, the movement drive of the electric push rod 4 is controlled by the movement drive of the mounting seat 3, thereby realizing the movement drive of the first mounting frame 5, the second mounting frame 6, the driving shaft 8 and the grinding piece 10 installed at the bottom end of the electric push rod 4;

[0053] During the grinding process, the first motor 7 is started, and the second mounting frame 6 can be controlled to rotate on the first mounting frame 5 by the first motor 7, so that the rotation adjustment of the driving shaft 8 and the grinding piece 10 can be realized, so that the grinding direction of the grinding piece 10 can be flexibly adjusted;

[0054] In the utility model, the grinding piece 10 and the driving shaft 8 are connected by the connecting column 12, the limiting plate 13, the limiting block 14, the limiting groove 15, the locking sleeve 11, the sliding plate 17, the engaging column 19 and the engaging groove 20 to facilitate the installation and disassembly of the grinding piece 10 on the driving shaft 8. In this way, it is convenient to replace the grinding piece 10. Here, the grinding frame can select a grinding disc or a grinding head as needed.

[0055] In all the schemes mentioned above, the connection between two parts can be selected according to the actual situation by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents;

[0056] In all the schemes mentioned above, the operation of electrical components is controlled by the controller. Since the devices matched with the controller are common devices, their control principles and line connections are all well-known and mature technologies, and their electrical connection relationships and specific circuit structures are not described here in detail.

[0057] If not explicitly stated, the rotary connection structure of the present invention preferably adopts a connection method in which a shaft and a bearing cooperate.

Claims

1. A grinding device for processing robot parts, comprising a workbench (1), a gantry (2) being horizontally and laterally slidably arranged on the workbench (1), a mounting seat (3) being horizontally and longitudinally arranged on the gantry (2), an electric push rod (4) being arranged at the bottom end of the mounting seat (3), wherein: A first mounting frame (5) is provided at the bottom end of the electric push rod (4); a second mounting frame (6) is rotatably mounted on the bottom end of the first mounting frame (5) and is provided with a first motor (7) in transmission connection with the second mounting frame (6); a driving shaft (8) is rotatably mounted on the second mounting frame (6) through a bearing and is provided with a second motor (9) in transmission connection with the driving shaft (8); a grinding piece (10) is provided at the bottom end of the driving shaft (8); a locking sleeve (11) is rotatably mounted on the top end of the grinding piece (10) The locking sleeve (11) and the driving shaft (8) are threadedly matched, a connecting column (12) is provided at the top end of the grinding piece (10), a limiting plate (13) is provided at the top end of the connecting column (12) in cooperation with the driving shaft (8), the locking sleeve (11) is rotatably sleeved on the connecting column (12) and is located below the limiting plate (13), a connecting limiting structure is provided between the connecting column (12) and the driving shaft (8), and a rotation limiting structure is provided on the driving shaft (8) in cooperation with the locking sleeve (11).

2. A grinding device for robot parts processing according to claim 1, characterized in that: The connection limiting structure comprises a limiting block (14) arranged at the top end of the limiting plate (13), and a limiting groove (15) is formed at the bottom end of the driving shaft (8) in cooperation with the limiting block (14).

3. A grinding device for robot parts processing according to claim 2, characterized in that: The rotation limiting structure comprises a fixed plate (16) arranged on the driving shaft (8), a sliding plate (17) is slidably arranged below the fixed plate (16), an elastic connecting piece (18) is arranged between the sliding plate (17) and the fixed plate (16), and a limiting locking structure is arranged between the bottom end of the sliding plate (17) and the locking sleeve (11).

4. The grinding device for robot parts processing according to claim 3 is characterized in that: The position-limiting snap-fit ​​structure comprises a snap-fit ​​column (19) arranged at the bottom end of the sliding plate (17), and a snap-fit ​​groove (20) is formed at the top end of the locking sleeve (11) to cooperate with the snap-fit ​​column (19).

5. The grinding device for robot parts processing according to claim 4 is characterized in that: The elastic connecting member (18) comprises a telescopic column (21) arranged between the fixed plate (16) and the sliding plate (17), and a spring (22) is sleeved on the outer side of the telescopic column (21).

6. The grinding device for robot parts processing according to claim 1 is characterized in that: A ball screw (23) is mounted horizontally and longitudinally on the gantry (2), and a third motor (24) is arranged in transmission connection with the ball screw (23). A screw nut (25) is arranged on the ball screw (23), and the mounting seat (3) is mounted on the screw nut (25).

7. A grinding device for processing robot parts according to any one of claims 1 to 6, characterized in that: The workbench (1) is provided with an electric slide rail (26), and the bottom end of the gantry (2) is provided with a sliding seat (27).

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