Automatic deburring device

Abstract

The utility model discloses an automatic burr removing device which comprises a grinding machine. The mechanical arm is connected with the grinding machine and used for driving the grinding machine to move; the workpiece fixing table is used for clamping a workpiece and is matched with the grinding machine to grind the workpiece; the downward pressure constant mechanism is arranged between the mechanical arm and the grinding machine, connects the mechanical arm with the grinding machine, and is used for forming a constant following downward pressure when the mechanical arm drives the grinding machine to grind the workpiece; by means of the downward pressure constant mechanism, pressure compensation and inclination angle self-adaption can be provided for the grinding machine, it is guaranteed that the grinding state of the grinding machine is continuous and stable, the deburring efficiency, stability and precision can be effectively improved, and automatic deburring work can be achieved in cooperation with a mechanical arm.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, concretely is a kind of automatic deburring device. BACKGROUND

[0002] In some mechanical parts production process, usually adopt cutting to workpiece processing, after these steps processing workpiece usually produces certain burr, burr is not completely cut off in cutting process scrap, usually there is a part of adhesion on workpiece, touch by hand very easy to be cut, therefore burr usually needs to be further handled. At present, artificial manual work is generally used to hold workpiece, put into polishing machine, rotate a week, remove burr around workpiece, but this method still has the following problems: 1, deburring efficiency is low;2, the consistency of force angle of workpiece deburring is poor. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides an automatic deburring device, which aims to solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: an automatic deburring device, comprising:

[0005] Polishing machine;

[0006] Mechanical arm, the mechanical arm and polishing machine are connected, for driving polishing machine to displace;

[0007] Workpiece fixing table, the workpiece fixing table is used for clamping workpiece, and polishing machine is used for polishing workpiece;

[0008] Constant down pressure mechanism, the constant down pressure mechanism is arranged between mechanical arm and polishing machine, and is connected with mechanical arm and polishing machine, for forming a constant following down pressure when mechanical arm drives polishing machine to polish workpiece.

[0009] Further, the constant down pressure mechanism comprises:

[0010] Connecting seat, the connecting seat is connected with mechanical arm;

[0011] Fixed and down pressure providing assembly, the fixed and down pressure providing assembly transversely penetrates connecting seat, and is movably connected in connecting seat, for clamping and fixing polishing machine, and providing constant down pressure when mechanical arm drives polishing machine to polish workpiece;

[0012] Down pressure limit adjusting assembly, the down pressure limit adjusting assembly is arranged on connecting seat, for limiting fixed and down pressure providing assembly and adjusting the size of down pressure;

[0013] An angle limiting and adjusting assembly is arranged on the connecting base to limit and adjust the angle of the sander.

[0014] Further, the fixing and pressing force providing assembly comprises a rotating rod, a knob cover, a volute spring, a clamp and a clamping groove, the rotating rod is transversely arranged through the connecting base and movably connected in the connecting base, the length of the rotating rod is greater than the length of the connecting base, one end of the rotating rod outside the connecting base is connected with the clamp for fixing the sander, the other end of the rotating rod outside the connecting base is provided with the clamping groove, the volute spring is arranged in the knob cover and the outer end of the volute spring is connected with the inner wall of the knob cover, the knob cover is sleeved on the end of the rotating rod provided with the clamping groove, and the inner end of the volute spring in the knob cover is clamped in the clamping groove and connected with the rotating rod.

[0015] Further, the pressing force limiting and adjusting assembly comprises a fixing plate, a fixing screw and a limiting ring, the fixing plate is arranged on the connecting base, the fixing screw is arranged on the fixing plate and penetrates through the fixing plate, the limiting ring is arranged on the knob cover, the limiting ring is provided with a plurality of through holes, and the fixing screw is aligned with the through holes on the limiting ring.

[0016] Further, the angle limiting and adjusting assembly comprises a pneumatic cylinder, a sleeve ring and a limiting block, a cavity is arranged in the connecting base and located at the position of the rotating rod, the sleeve ring is fixedly connected on the rotating rod in the cavity, the limiting block is arranged on the surface of the sleeve ring, the pneumatic cylinder is arranged on the top of the connecting base and aligned with the limiting block, and the connecting base is provided with an opening for the pneumatic cylinder to pass through.

[0017] Further, the workpiece fixing table comprises a fixing base, a motor and a chuck, the motor is arranged on the fixing base, the chuck is connected on the top of the motor, and the motor and the chuck are in transmission connection.

[0018] Further, bearings are arranged between the rotating rod, the connecting base and the knob cover to ensure the movement.

[0019] Compared with the prior art, the down pressure constant mechanism can provide pressure compensation and inclination self-adaptation for the sander, ensures the continuous and stable polishing state of the sander, effectively improves the deburring efficiency, stability and precision, and realizes automatic deburring work in cooperation with the mechanical hand, and solves the problems of low efficiency of traditional manual deburring and poor consistency of force and angle in workpiece deburring. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model.

[0021] Figure 2 It is a structure schematic view of the down pressure constant mechanism of the utility model.

[0022] Figure 3 The utility model discloses a lower pressure constant mechanism expansion drawing.

[0023] Figure 4 The utility model discloses a lower pressure constant mechanism back expansion drawing.

[0024] Figure 5 The utility model discloses a connecting seat internal structure schematic view.

[0025] Figure 6 The utility model discloses a workpiece fixed platform structure schematic view.

[0026] In the figure: 1, workbench;2, mechanical arm;3, workpiece fixed platform;31, fixed base;32, motor;33, chuck;4, lower pressure constant mechanism;41, connecting seat;42, rotating rod;43, knob cover;44, scroll spring;45, clamp;46, clamping groove;47, fixed plate;48, fixed screw;49, limit ring;410, bearing;411, air cylinder;412, sleeve ring;413, limit block;5, polisher. DETAILED DESCRIPTION

[0027] As Figure 1 Indicated, the utility model provides technical scheme: an automatic deburring device, including:

[0028] Polisher 5.

[0029] Mechanical arm 2, the mechanical arm 2 is connected with polisher 5, is used for driving polisher 5 to displace.

[0030] Workpiece fixed platform 3, the workpiece fixed platform 3 is used to hold workpiece, and cooperates polisher 5 and carries out polishing to workpiece.

[0031] As Figure 2 Indicated, lower pressure constant mechanism 4, lower pressure constant mechanism 4 is set up between mechanical arm 2 and polisher 5, and is connected with mechanical arm 2 and polisher 5, is used for forming a constant following lower pressure when mechanical arm 2 drives polisher 5 and polishes workpiece, accurately removes workpiece edge burr, prevents the problem that polishing is too deep and destroys workpiece or burr removal is not in place when polishing is too shallow.

[0032] Lower pressure constant mechanism 4 includes:

[0033] Connecting seat 41, connecting seat 41 is connected with mechanical arm 2.

[0034] Fixed and lower pressure providing assembly, the fixed and lower pressure providing assembly is transversely through connecting seat 41, and is movably connected in connecting seat 41, is used for clamping and fixing polisher 5, and provides constant lower pressure when mechanical arm 2 drives polisher 5 and polishes workpiece.

[0035] A down pressure limiting and adjusting assembly is arranged on the connecting seat 41, and is used for limiting and adjusting the down pressure of the fixed and down pressure providing assembly.

[0036] An angle limiting and adjusting assembly is arranged on the connecting seat 41, and is used for limiting and adjusting the angle of the sander 5.

[0037] As shown in Figure 3 , Figure 4 , the fixed and down pressure providing assembly comprises a rotating rod 42, a knob cover 43, a volute spring 44, a clamp 45 and a clamping groove 46. The rotating rod 42 transversely penetrates through the connecting seat 41 and is movably connected in the connecting seat 41. The length of the rotating rod 42 is greater than the length of the connecting seat 41. The one end of the rotating rod 42 outside the connecting seat 41 is connected with the clamp 45 for fixing the sander 5. The other end of the rotating rod 42 outside the connecting seat 41 is provided with the clamping groove 46. The volute spring 44 is arranged in the knob cover 43, and the outer end of the volute spring 44 is connected with the inner wall of the knob cover 43. The knob cover 43 is sleeved on the end of the rotating rod 42 provided with the clamping groove 46, and the inner end of the volute spring 44 in the knob cover 43 is clamped in the clamping groove 46 to form a connection with the rotating rod 42.

[0038] The tightness of the volute spring 44 can be adjusted by rotating the knob cover 43 in the positive and negative directions, and then the sander 5 is transmitted through the rotating rod 42 and the clamp 45. At this time, the angle of the sander 5 changes under the action of the force. At this time, the angle of the sander 5 can be limited or adjusted through the angle limiting and adjusting assembly, and then the polishing work is completed.

[0039] The down pressure limiting and adjusting assembly comprises a fixed plate 47, a fixed screw 48 and a limiting ring 49. The fixed plate 47 is arranged on the connecting seat 41, and the fixed screw 48 is arranged on the fixed plate 47 and penetrates through the fixed plate 47. The limiting ring 49 is arranged on the knob cover 43, and a plurality of through holes are arranged on the limiting ring 49. The fixed screw 48 is aligned with the through holes on the limiting ring 49. The knob cover 43 is fixed by rotating the fixed screw 48 to make the fixed screw 48 enter the corresponding through hole 49.

[0040] As shown in Figure 5 , the angle limiting and adjusting assembly comprises a gas cylinder 411, a sleeve ring 412 and a limiting block 413. A cavity is formed in the connecting seat 41 and is located at the position of the rotating rod 42. The sleeve ring 412 is fixedly connected to the rotating rod 42 in the cavity. The limiting block 413 is arranged on the surface of the sleeve ring 412. The gas cylinder 411 is arranged on the top of the connecting seat 41 and is aligned with the limiting block 413. The connecting seat 41 is provided with an opening for the gas cylinder 411 to pass through.

[0041] When the tightness of the volute spring 44 is adjusted through the knob cover 43, the angle of the sander 5 changes under the action force, the limiting block 413 is pressed down through the starting cylinder 411, the rotating rod 42 is rotated through the sleeve ring 412, and the angle of the sander 5 can be limited, and the angle of the sander 5 can be adjusted by adjusting the pressing distance of the starting cylinder 411.

[0042] As shown in Figure 6 The workpiece fixing table 3 includes a fixing base 31, a motor 32 and a chuck 33, the fixing base 31 is provided with the motor 32, the top of the motor 32 is connected with the chuck 33, and the motor 32 and the chuck 33 are in transmission connection.

[0043] The workpiece is fixed through the chuck 33, the motor 32 drives the workpiece to rotate through the chuck 33, the sander 5 is moved to the specified position by the mechanical arm 2 to polish the rotating workpiece, and the burrs are accurately and effectively removed in cooperation with the constant downforce mechanism 4.

[0044] The rotating rod 42, the connecting seat 41 and the knob cover 43 are all provided with bearings 410 for ensuring the movement.

[0045] The workbench 1 for bearing the mechanical arm 2 and the workpiece fixing table 3 is further included.

[0046] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic deburring device characterized by comprising: The polishing machine (5) is connected with the mechanical arm (2) and is used to drive the polishing machine (5) to move. The workpiece fixing table (3) is used to clamp the workpiece and polish the workpiece in cooperation with the polishing machine (5). The constant down pressure mechanism (4) is arranged between the mechanical arm (2) and the polishing machine (5) and is connected with the mechanical arm (2) and the polishing machine (5) to form a constant down pressure when the mechanical arm (2) drives the polishing machine (5) to polish the workpiece. The constant down pressure mechanism (4) comprises a connecting seat (41) connected with the mechanical arm (2). The fixed and down pressure providing assembly is transversely arranged through the connecting seat (41) and is movably connected in the connecting seat (41) to clamp and fix the polishing machine (5) and provide a constant down pressure when the mechanical arm (2) drives the polishing machine (5) to polish the workpiece.

2. An automatic deburring device according to claim 1, characterized in that: The angle limiting and adjusting assembly is arranged on the connecting seat (41) to limit and adjust the angle of the polishing machine (5). The fixed and down pressure providing assembly comprises a rotating rod (42), a knob cover (43), a volute spring (44), a clamp (45) and a clamping groove (46). The constant down pressure limiting and adjusting assembly comprises a fixed plate (47), a fixed screw (48) and a limiting ring (49). The fixed plate (47) is arranged on the connecting seat (41) and is provided with the fixed screw (48) which is arranged through the fixed plate (47). The limiting ring (49) is arranged on the knob cover (43) and is provided with a plurality of through holes.

3. An automatic deburring device according to claim 2, characterized in that: The fixed screw (48) is aligned with the through holes of the limiting ring (49).

4. An automatic deburring device according to claim 3, characterized in that: ​ 5. An automatic deburring device according to claim 4, characterized in that: The angle limiting adjusting assembly comprises a cylinder (411), a sleeve ring (412) and a limiting block (413), a cavity is formed in the connecting seat (41) and is located at the position of the rotating rod (42), the sleeve ring (412) is fixedly connected to the rotating rod (42) in the cavity, the surface of the sleeve ring (412) is provided with the limiting block (413), the top of the connecting seat (41) is provided with the cylinder (411), the cylinder (411) is aligned with the limiting block (413), and the connecting seat (41) is provided with an opening hole through which the cylinder (411) passes.

6. An automatic deburring device according to claim 5, characterized in that: The workpiece fixing table (3) comprises a fixing base (31), a motor (32) and a chuck (33), the fixing base (31) is provided with the motor (32), the top of the motor (32) is connected with the chuck (33), and the motor (32) and the chuck (33) are in driving connection.

7. An automatic deburring device according to claim 6, characterized in that: Bearings (410) for guaranteeing movement are arranged between the rotating rod (42), the connecting seat (41) and the knob cover (43).

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