Burr grinding device for robot base machining

By introducing an adjustable auxiliary support device into the robot base processing unit, the problem of operator fatigue caused by handheld belt sander grinding was solved, achieving higher operational stability and precision.

CN223947564UActive Publication Date: 2026-02-27ZHUHAI LONGYUE METAL MATERIALS CO LTD
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Patent Information

Application Number
CN202520644502.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-02-27
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

In the existing technology, when processing the robot base, the handheld belt sander grinding operation causes operator fatigue and affects the processing accuracy.

Method used

A burr-removing device for machining robot bases was designed, comprising a frame, a sanding belt, a motor, and an auxiliary support device. The auxiliary support device includes a guide rail, a connecting frame, a pad, a bouncer, etc., providing adjustable pad support. The pad can be installed above or to the side of the sanding belt and can be moved and adjusted within the range of the guide rail.

Benefits of technology

The auxiliary support device reduces operator fatigue, improves operational stability and processing accuracy, and meets users' flexible adjustment needs.

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Abstract

The utility model discloses a burr polishing device for robot base machining. The burr polishing device comprises a rack, an abrasive belt, a motor and an auxiliary supporting device. The auxiliary supporting device is arranged on the side portion of the machine frame, when a user holds a workpiece to conduct grinding operation, hand supporting can be provided for the user through the base plate, operation stability is effectively improved, operation fatigue is reduced, the base plate can be installed above or on the side of the abrasive belt according to operation requirements of the user, and the abrasive belt is convenient to use. And meanwhile, the base plate can be moved and adjusted within the range of the guide rail, good adjustability is achieved, and the adjusting and using requirements of a user can be better met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a burr polishing device for robot base processing. BACKGROUND

[0002] The robot base is one of the key components in the robot architecture, which can provide a stable foundation for the robot. During the production and processing of the robot base, the base shell is usually polished to remove burrs by a belt sander, thereby improving the surface quality of the product.

[0003] The existing patent application No. 201811477675.X discloses a reciprocating moving device for a sand belt in a belt sander and a belt sander. The belt sander includes a driven roller support and a second motor. The driven roller is rotatably connected between the driven roller support and the driven roller support. The driven roller support has a swing shaft part connected to the frame. The second motor is fixed on the frame. The shaft of the second motor is connected to the driven roller support through a cam transmission structure. When the shaft of the motor rotates, the driven roller swings around the shaft center line of the swing shaft part in the driven roller support.

[0004] The above-mentioned patent discloses a belt sander device for polishing work. In actual application, the operator usually holds the workpiece and performs polishing work on the running sand belt. Although this method is flexible, it is easy to feel fatigue without hand support, which affects the subsequent workpiece processing precision. Therefore, we designed a flexible and adjustable hand pad for the belt sander to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a burr polishing device for robot base processing to solve the problems raised in the background technology.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a flash polishing device for robot base processing, including frame, abrasive band, motor and auxiliary support device, the frame surface sleeve joint rotation installation has the abrasive band, the frame tail end side part is installed with motor, the abrasive band is driven by the motor and runs, the frame side part is provided with auxiliary support device, the auxiliary support device includes guide rail, connecting frame, backing plate, butt joint groove, rebounder, first fastener, bracket, screw adjusting sleeve, screw rod no. 1, screw rod no. 2 and second fastener, the guide rail is opened in both sides of the frame, the connecting frame is movably sleeved in the bottom of the frame, and the connecting frame is slidably connected with the guide rail, the positioning bolt is screw mounted in the left lower end hole thread of the connecting frame, the positioning bolt can be screw rotated into the inside of the connecting frame and abuts with the frame, the backing plate is hingedly installed on the top of the right part of the connecting frame, the backing plate can be turned over and covered on the top of the connecting frame, so that the backing plate is located directly above the abrasive band, the butt joint groove is horizontally opened in the side edge of the backing plate, the rebounder is embedded on the left upper end of the connecting frame, the telescopic end of the rebounder is screw connected with the first fastener, the first fastener is L-shaped, the first fastener can be buckled with the inside of the butt joint groove, the bracket is screw mounted on the right upper end of the connecting frame, the backing plate can be turned over and attached on the top of the bracket, the screw rod no. 1 is screw connected with the inside left end of the screw adjusting sleeve, the screw rod no. 1 is hingedly connected with the right bottom end of the connecting frame, the screw rod no. 2 is screw connected with the inside right end of the screw adjusting sleeve, the second fastener is hingedly installed on the end of the screw rod no. 2, the second fastener is concave-shaped, and the second fastener can be buckled with the inside of the butt joint groove.

[0007] Preferably, the length of the guide rail is at least 50% of the length of the frame.

[0008] Preferably, rubber pads are pasted on the top surfaces of the left and right sides of the connecting frame, and the thickness of the rubber pads is not less than 2 mm.

[0009] Preferably, the maximum turning angle of the backing plate with respect to the connecting frame is 180 degrees.

[0010] Preferably, when the backing plate is installed on the top of the connecting frame, the height difference between the backing plate and the abrasive band is 5-10 mm.

[0011] Preferably, the top surface and the bottom surface of the backing plate are sanded and provided with anti-slip lines.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a supplementary support device is set up on the side of the frame, and the user can be provided with hand support by the backing plate when carrying out the polishing operation to the workpiece, effectively improves the operating stability, and reduces the operation fatigue feeling, and the backing plate can be installed on the sand belt upper side or side position according to the operation demand of the user, and the backing plate can also move and adjust within the guide rail range, has good adjustability, can better satisfy the operation demand of the user.

[0014] The utility model discloses a rubber pad is set up on the left and right two sides top surface of the connecting frame, and the rubber pad can play the vibration damping effect between the connecting frame and the backing plate, and it is difficult to produce abnormal sound when vibrating when using. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the utility model Figure 1 The closing state structure schematic diagram of the backing plate;

[0017] Figure 3 It is the supplementary support device structure schematic diagram of the utility model;

[0018] Figure 4 It is the A place enlarged structure schematic diagram of the utility model Figure 3 ;

[0019] Figure 5 It is the supplementary support device front view structure schematic diagram of the utility model.

[0020] In the drawing: frame -1, sand belt -2, motor -3, supplementary support device -4, guide rail -41, connecting frame -42, positioning bolt -421, rubber pad -422, backing plate -43, butt joint groove -44, rebounder -45, first fastener -46, bracket -47, threaded adjusting sleeve -48, first screw rod -49, second screw rod -410, second fastener -411. DETAILED DESCRIPTION

[0021] In order to further explain the technical scheme of the utility model, the following is elaborated in detail through specific embodiment.

[0022] Please refer to Figure 1 The utility model provides a kind of burr polishing device for robot base processing, including frame 1, sand belt 2, motor 3 and supplementary support device 4, frame 1 surface sleeve joint rotation installation has sand belt 2, frame 1 tail end side portion is installed with motor 3, sand belt 2 is driven by motor 3 and operates, frame 1 side portion is provided with supplementary support device 4.

[0023] Please refer to Figures 4-5The utility model provides a burr polishing device for robot base processing, and the auxiliary support device 4 includes guide rail 41, connecting frame 42, backing plate 43, butt joint groove 44, rebounder 45, first fastener 46, bracket 47, threaded adjusting sleeve 48, first screw rod 49, second screw rod 410 and second fastener 411, the guide rail 41 is horizontally opened on both sides of the frame 1, the connecting frame 42 is movably sleeved at the bottom of the frame 1, and the connecting frame 42 is slidably connected with the guide rail 41, the positioning bolt 421 is screw-mounted in the left lower end screw hole of the connecting frame 42, the positioning bolt 421 can be screwed into the inside of the connecting frame 42 and abut against the frame 1, thereby realizing friction locking, the backing plate 43 is hingedly installed on the top of the right part of the connecting frame 42, the backing plate 43 can be turned over and covered on the top of the connecting frame 42, so that the backing plate 43 is located directly above the abrasive belt 2, the butt joint groove 44 is horizontally opened on the side of the backing plate 43, the rebounder 45 is embedded on the left upper end of the connecting frame 42, the telescopic end of the rebounder 45 is screw-connected with the first fastener 46, the first fastener 46 is L-shaped, the first fastener 46 can be buckled with the inside of the butt joint groove 44, the backing plate 43 can be fixed on the top of the connecting frame 42, so that it is stably installed and does not shake, the bracket 47 is screw-mounted on the top of the right upper end of the connecting frame 42, the backing plate 43 can be turned over and attached on the top of the bracket 47, the bracket 47 can provide basic support for the backing plate 43, so that the backing plate 43 can also be stably supported in the turned-over state, the first screw rod 49 is screw-connected with the inside left end of the threaded adjusting sleeve 48, the end of the first screw rod 49 is hingedly connected with the bottom end of the right part of the connecting frame 42, the second screw rod 410 is screw-connected with the inside right end of the threaded adjusting sleeve 48, the second fastener 411 is hingedly installed on the end of the second screw rod 410, the second fastener 411 is concave-shaped, the second fastener 411 can be buckled with the inside of the butt joint groove 44, so that the first screw rod 49 and the second screw rod 410 can abut against the bottom of the backing plate 43 and provide stable support for it.

[0024] It is further explained that the length of the guide rail 41 is at least 50% of the length of the frame 1, which can provide sufficient movement adjustment for the connecting frame 42 and better meet the user's adjustment and use requirements.

[0025] It is further explained that rubber pads 422 are pasted and laid on the top surfaces of the left and right sides of the connecting frame 42, and the thickness of the rubber pads 422 is not less than 2 mm, so that the rubber pads 422 can play a damping role between the connecting frame 42 and the backing plate 43 and are not prone to vibration and abnormal sound during use.

[0026] It is further explained that the maximum turning angle of the backing plate 43 and the connecting frame 42 is 180 degrees, so that the backing plate 43 can be turned over and installed above or on the side of the abrasive belt 2, and the user can adjust the position of the backing plate 43 according to the operation habit.

[0027] It is further explained that when the backing plate 43 is covered and installed on the top of the connecting frame 42, the height difference between the backing plate 43 and the abrasive belt 2 is 5-10 mm.

[0028] Further illustrate, the top surface and the bottom surface of the base plate 43 are sandblasted and provided with anti-skid lines, which ensure that the user's hands do not slip when supporting on the base plate 43 during polishing operation.

[0029] The working principle is as follows:

[0030] First, connect the motor 3 to the external power supply, then start the motor 3 to drive the abrasive belt 2 to run along the rack 1, and the worker can hold the workpiece on the abrasive belt 2 for polishing work, and remove the burrs on the base shell by polishing, thereby improving the surface quality of the product.

[0031] Second, by setting the auxiliary support device 4 on the side of the rack 1, the connecting frame 42 can be moved and adjusted on the rack 1 along the guide rail 41, and then the positioning bolt 421 is tightened to frictionally lock the connecting frame 42 and the rack 1, thereby completing the adjustment of the relative position of the base plate 43 and the rack 1.

[0032] Third, the base plate 43 can be installed upside down above the abrasive belt 2, and the specific operation mode is as follows: first, press the first buckle 46 to switch the rebounder 45 to the pop-up state, then turn the base plate 43 upside down and cover it on the top of the connecting frame 42, then press the first buckle 46 again to switch the rebounder 45 to the retracted state, and the first buckle 46 is horizontally buckled into the inside of the butt joint groove 44, thereby fixing the base plate 43 on the top of the connecting frame 42, so that it is installed stably and does not shake.

[0033] Fourth, the base plate 43 can be installed upside down on the side of the abrasive belt 2, and the specific operation mode is as follows: first, press the first buckle 46 to switch the rebounder 45 to the pop-up state, so that the first buckle 46 is separated from the inside of the butt joint groove 44 and the locking of the base plate 43 is released, then turn the base plate 43 upside down to the top of the bracket 47, then reverse the threaded adjusting sleeve 48 to make the first screw rod 49 and the second screw rod 410 rotate outward, until the second buckle 411 reaches the appropriate distance and is buckled with the butt joint groove 44, and finally the threaded adjusting sleeve 48 is forwardly screwed to make the first screw rod 49 and the second screw rod 410 rotate inward, until the second buckle 411 is tightly fixed with the butt joint groove 44, at this time the first screw rod 49 and the second screw rod 410 can abut against the bottom of the base plate 43 to provide stable support for it, so that the base plate 43 remains in the unfolded state.

[0034] Fifth, during use, the user can use the base plate 43 to provide hand support when holding the workpiece for polishing work, effectively improving the operation stability and reducing the fatigue feeling, and the base plate 43 can be installed above or on the side of the abrasive belt 2 according to the user's operation demand, and the base plate 43 can also be moved and adjusted within the range of the guide rail 41, which has good adjustability and can better meet the user's adjustment and use demand.

[0035] The above merely describes preferred examples of the present application and is not intended to limit the present application, and although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A burr polishing device for robot base processing, comprising a rack (1), a sand belt (2) and a motor (3), the sand belt (2) is rotatably installed on the surface of the rack (1), the motor (3) is installed on the tail end side of the rack (1), and the sand belt (2) is driven to rotate by the motor (3); it also comprises an auxiliary supporting device (4), the rack (1) is provided with an auxiliary supporting device (4) on the side, the auxiliary supporting device (4) comprises a guide rail (41), a connecting frame (42), a backing plate (43), a butt joint groove (44), a rebounder (45), a first fastener (46), a bracket (47), a threaded adjusting sleeve (48), a No. 1 screw rod (49), a No. 2 screw rod (410) and a second fastener (411), the guide rail (41) is horizontally arranged on the left and right sides of the rack (1), the connecting frame (42) is movably sleeved on the bottom of the rack (1), and the connecting frame (42) is slidably connected with the guide rail (41), the positioning bolt (421) is screwedly installed in the left lower end screw hole of the connecting frame (42), the positioning bolt (421) can be screwedly rotated into the inner side of the connecting frame (42) and abut against the rack (1), the backing plate (43) is hingedly installed on the right top of the connecting frame (42), the backing plate (43) can be reversibly covered on the top of the connecting frame (42), so that the backing plate (43) is located directly above the sand belt (2), the butt joint groove (44) is horizontally arranged on the side of the backing plate (43), the rebounder (45) is embedded on the left upper end of the connecting frame (42), the telescopic end of the rebounder (45) is screw-connected with the first fastener (46), the first fastener (46) is L-shaped, the first fastener (46) can be buckled with the inner side of the butt joint groove (44), the bracket (47) is screw-installed on the right upper end of the connecting frame (42), and the backing plate (43) can be reversibly attached on the top of the bracket (47); the No. 1 screw rod (49) is screw-connected with the inner left end of the threaded adjusting sleeve (48), the tail end of the No. 1 screw rod (49) is hingedly connected with the right bottom end of the connecting frame (42), the No. 2 screw rod (410) is screw-connected with the inner right end of the threaded adjusting sleeve (48), the second fastener (411) is hingedly installed at the tail end of the No. 2 screw rod (410), and the second fastener (411) is concave-shaped and can be buckled with the inner side of the butt joint groove (44). characterized in that The length of the guide rail (41) is at least 50% of the length of the rack (1).

2. The burr polishing apparatus for robot base processing according to claim 1, characterized by: Rubber pads (422) are pasted and laid on the top surfaces of the left and right sides of the connecting frame (42), and the thickness of the rubber pads (422) is not less than 2 mm.

3. The burr grinding apparatus for robotic base machining of claim 1, wherein: The maximum turning angle of the backing plate (43) and the connecting frame (42) is 180 degrees.

4. The burr grinding apparatus for robotic base machining of claim 1, wherein: When the backing plate (43) is reversibly installed on the top of the connecting frame (42), the height difference between the backing plate (43) and the sand belt (2) is 5-10 mm.

5. The burr grinding apparatus for robotic base machining of claim 1, wherein: The top surface and the bottom surface of the backing plate (43) are sanded and provided with anti-skid lines.

6. The burr grinding apparatus for robotic base machining of claim 1, wherein: ​

Citation Information

Patent Citations

  • Sanding belt reciprocating moving device in sanding belt machine and sanding belt machine

    CN109366316B