CN210849523U

CN210849523U - Floating polishing device

Info

Publication number: CN210849523U
Application number: CN201921817837.XU
Authority: CN
Inventors: 苗壮; 汪起骏
Original assignee: Ma'anshan Fanghong Automation Technology Co ltd
Current assignee: Ma'anshan Fanghong Automation Technology Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-06-26
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a grinding device floats belongs to the welding technical field of polishing. The utility model comprises a floating mechanism and a polishing mechanism; wherein: the bottom of the floating mechanism is fixedly connected with a robot flange through a flange connecting base, and the upper part of the floating mechanism is fixedly connected with the polishing mechanism; the floating mechanism can realize buffer floating through elastic components such as elastic sheets, springs, rubber pads and the like; the polishing mechanism polishes irregular craters and burrs. When specifically using, the floating mechanism cushions the realization of the reaction force that produces when polishing mechanism polishes, and when buffer force and reaction force are equal, the piece of polishing can steadily polish to avoid the emergence of the dead or many phenomena of grinding of card, improve product percent of pass and the efficiency of polishing.

Description

Floating polishing device

Technical Field

The utility model belongs to the technical field of the scar, the burr when the robot welds are polished, a grinding device floats specifically says so.

Background

Under the general condition, when adopting artifical crater, the burr of polishing, the product percent of pass is low and harmful workman is healthy, in order to use manpower sparingly and improve product quality stability, need to develop the grinding machanism that floats of a stable effect, current equipment of polishing is direct by the motor generally and the piece rigid coupling of polishing, does not have corresponding floating function, when industrial robot polishes like this, appear the emergence of phenomenon such as card is dead easily, the over-grinding, grind inhomogeneous, current equipment of polishing can't satisfy the user demand that industrial robot polished the operating mode promptly.

Chinese patent publication No.: CN109290948A, published: 2019.2.1 discloses a floating polishing head and a device, the floating polishing head comprises a connecting plate, a first cylinder, a second cylinder and a pneumatic polisher, one end of the first cylinder and one end of the second cylinder are fixed on the connecting plate, and piston rods of the first cylinder and the second cylinder are vertically downward and connected with the pneumatic polisher; the first cylinder provides an upward lifting force and the second cylinder provides a downward pressure. The equipment comprises the floating polishing head. The floating polishing head and the equipment provided by the invention are suitable for automatically polishing the welding seams of automobile door frame products, replace the traditional manual polishing mode, save labor, liberate labor force, ensure the consistency of the polished products, improve the product quality, but are difficult to ensure the polishing quality when aiming at irregular shapes such as craters, burrs and the like.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the crater, the burr of irregular shape among the prior art, the relatively poor problem of quality of polishing, the utility model provides a grinding device floats. Through special floating machanism, improved the stability of polishing quality and polishing.

2. Technical scheme

In order to achieve the above purpose, the utility model discloses the scheme is according to following mode:

a floating polishing device comprises a floating mechanism and a polishing mechanism; wherein: the bottom of the floating mechanism is fixedly connected with a robot flange through a flange connecting base, and the upper part of the floating mechanism is fixedly connected with the polishing mechanism; the polishing mechanism polishes irregular craters and burrs; the floating mechanism buffers the reaction force generated when the polishing mechanism polishes, and when the buffer force is equal to the reaction force, the polishing piece can be stably polished, so that the phenomenon that the polishing piece is stuck or multiple polishing pieces are avoided, and the product qualification rate and the polishing efficiency are improved.

Preferably, the floating mechanism comprises a base, a guide rod, a spring guide rod and a sliding block; the base is fixed on the upper surface of the flange connecting base; the guide rod base is of a frame-shaped structure with an upward opening and is fixed on the upper surface of the base; the guide rod and the spring guide rod both transversely penetrate through the sliding block, and both ends of the guide rod and the spring guide rod are fixedly connected in the frame-shaped structure; after the spring surrounds the spring guide rod, one end of the spring abuts against the left inner side of the frame-shaped structure, one end of the spring abuts against the left end face of the sliding block, the right end face of the sliding block abuts against the right inner side of the frame-shaped structure, coordination with reaction force is achieved through the elasticity of the spring, and if points which are difficult to polish or are easy to polish are met, the spring can automatically adjust the elasticity to guarantee balance of force, so that polishing is stable.

Preferably, the grinding mechanism comprises a motor fixing seat, a motor, a grinding head connecting rod, a grinding sheet and a pressing plate; the motor fixing seat is fixedly connected to the upper surface of the sliding block; the motor is fixed on the motor fixing seat, the polishing head connecting rod is fixedly connected with a rotating shaft of the motor to drive the polishing disc 11 to rotate, and the polishing disc is fixedly connected to the right end of the polishing head connecting rod through the pressing plate. The teaching robot sends the polishing piece of the floating polishing mechanism to a position needing polishing and moves along a specified track. In the process of polishing, the opposite effort of production when polishing the scar is ground to polishing piece 11, and this effort makes the spring compression, and when pressure and spring force were equal, polishing piece 11 began steadily to polish, if meet the point that is difficult to polish or more easily polish at this in-process, the spring can guarantee the power balance by self-interacting elasticity to make and polish steadily, avoid the emergence of card death or grind many phenomena, improve product percent of pass and efficiency of polishing.

Preferably, the guide bar is two, all with spring guide arm parallel arrangement, dual location improves the stability of slidingtype direction.

Preferably, the floating mechanism further comprises a spring platen; the left ends of the guide rod and the spring guide rod penetrate through the spring pressing plate and then are fixed on the left inner side surface of the frame-shaped structure; the left end of the spring is tightly propped against the spring pressure plate.

Preferably, the abrasive sheet is a thousand leaves.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following apparent effect:

(1) the floating polishing device of the utility model can perform following polishing when the floating mechanism polishes irregular craters, thereby effectively avoiding the damage to the polishing piece and the workpiece; when the teaching robot works, the motor drives the polishing sheet to rotate, the teaching robot sends the floating polishing mechanism to a position needing polishing, and the floating polishing mechanism moves along a specified track; in the polishing process, the polishing sheet generates an opposite acting force when polishing the craters, the acting force enables the spring to be compressed, when the pressure is equal to the elastic force of the spring, the polishing sheet starts to polish stably, and if points which are difficult to polish or easy to polish are met in the process, the spring can automatically adjust the elastic force to ensure the force balance, so that the polishing is stable, the phenomena of jamming or grinding are avoided, and the product qualification rate and the polishing efficiency are improved;

(2) in the floating polishing device, the spring type floating mechanism enables the polishing disc to be stably contacted with the polishing workpiece, the service life of the polishing disc is prolonged, and the production efficiency is improved;

(3) the utility model discloses a grinding device floats, X, Y and Z axle degree of freedom can be chooseed for use by industrial robot to the teaching robot, through the motion of teaching robot control grinding machanism that floats, the motor drives and grinds piece rotary motion and carries out the grinding to crater, burr etc. to improve the precision of polishing.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a base; 2. a guide rod base; 3. a spring pressing plate; 4. a guide bar; 5. a spring; 6. a spring guide rod; 7. a slider; 8. a motor fixing seat; 9. a motor; 10. a polishing head connecting rod; 11. grinding the sheets; 12. pressing a plate; 13. the flange is connected with the base.

Detailed Description

The present invention will be described in detail with reference to specific embodiments.

Example 1

The floating polishing device comprises a floating mechanism and a polishing mechanism; wherein: the bottom of the floating mechanism is fixedly connected with a robot flange through a flange connecting base 13, and the upper part of the floating mechanism is fixedly connected with the polishing mechanism; the floating mechanism can realize buffer floating through elastic components such as elastic sheets, springs, rubber pads and the like; the polishing mechanism polishes irregular craters and burrs.

The utility model provides a grinding device floats, when specifically using, the floating machanism cushions the realization of the reaction force that produces when grinding machanism polishes, and when buffer power and reaction force are equal, the piece of polishing can steadily polish to avoid the card to die or grind the emergence of many phenomena, improve product percent of pass and the efficiency of polishing.

Example 2

As shown in fig. 1, the main structure of the floating polishing device of this embodiment is the same as that of embodiment 1, and the improvement is that: the floating mechanism comprises a base 1, a guide rod base 2, a guide rod 4, a spring 5, a spring guide rod 6 and a sliding block 7; the base 1 is fixed on the upper surface of the flange connecting base 13; the guide rod base 2 is of a frame-shaped structure with an upward opening and is fixed on the upper surface of the base 1; the guide rod 4 and the spring guide rod 6 both transversely penetrate through the sliding block 7, and both ends of the guide rod are fixedly connected in the frame-shaped structure; after the spring 5 surrounds the spring guide rod 6, one end of the spring abuts against the left inner side of the frame-shaped structure, the other end of the spring abuts against the left end face of the sliding block 7, the right end face of the sliding block 7 abuts against the right inner side of the frame-shaped structure, coordination with reaction force is achieved through the elastic force of the spring 5, if points which are difficult to polish or are easy to polish are met, the spring can automatically adjust the elastic force to guarantee balance of force, and therefore polishing is stable. The polishing mechanism comprises a motor fixing seat 8, a motor 9, a polishing head connecting rod 10, a polishing sheet 11 and a pressing plate 12; the motor fixing seat 8 is fixedly connected to the upper surface of the sliding block 7; the motor 9 is fixed on the motor fixing seat 8, the polishing head connecting rod 10 is fixedly connected with a rotating shaft of the motor 9 to drive the polishing disc 11 to rotate, and the polishing disc 11 is fixedly connected to the right end of the polishing head connecting rod 10 through the pressing plate 12. The teaching robot sends the polishing sheet 11 of the floating polishing mechanism to a position to be polished and moves along a specified track. In the process of polishing, the opposite effort of production when polishing the scar is ground to polishing piece 11, and this effort makes the spring compression, and when pressure and spring force were equal, polishing piece 11 began steadily to polish, if meet the point that is difficult to polish or more easily polish at this in-process, the spring can guarantee the power balance by self-interacting elasticity to make and polish steadily, avoid the emergence of card death or grind many phenomena, improve product percent of pass and efficiency of polishing.

Example 3

The polishing device that floats of this embodiment, major structure is with embodiment 2, the difference lies in: the guide rods 4 are two and are arranged in parallel with the spring guide rod 6, double positioning is achieved, and stability of sliding type guiding is improved. The floating mechanism further comprises a spring pressing plate 3; the left ends of the guide rod 4 and the spring guide rod 6 penetrate through the spring pressing plate 3 and then are fixed on the left inner side surface of the frame-shaped structure; the left end of the spring 5 is tightly propped against the spring pressure plate 3. The abrasive sheet 11 is preferably a thousand blades.

The floating polishing device of the embodiment has the advantages that the motor 9 drives the thousand blades 11 to rotate during operation, the teaching robot sends the floating polishing mechanism to the position needing polishing, and the floating polishing mechanism moves along a specified track. In the process of polishing, thousand blades 11 produce opposite effort when polishing the crater, and this effort makes the spring compression, and when pressure and spring force were equal, thousand blades 11 began steadily to polish, if meet the point that is difficult to polish or more easily polish at this in-process, the spring can guarantee the power balance from adjusting elasticity to make and polish steadily, avoid the card to die or grind the emergence of many phenomena, improve product percent of pass and efficiency of polishing. X, Y and Z axle degree of freedom can be selected for use by industrial robot to the teaching robot to realize the multi-angle effect of polishing, and can be unchangeable through the grinding length of teaching industrial robot control at every turn.

The invention and its embodiments have been described above schematically and without limitation. Therefore, if a person skilled in the art receives the teachings of the present invention, without inventive design, a similar structure and an embodiment to the above technical solution should be covered by the protection scope of the present patent.

Claims

1. The utility model provides a grinding device floats which characterized in that: comprises a floating mechanism and a grinding mechanism; wherein: the bottom of the floating mechanism is fixedly connected with a robot flange through a flange connecting base (13), and the upper part of the floating mechanism is fixedly connected with the polishing mechanism; the polishing mechanism polishes irregular craters and burrs; the floating mechanism buffers the reaction force generated when the polishing mechanism polishes.

2. The floating sharpening device of claim 1, wherein: the floating mechanism comprises a base (1), a guide rod base (2), a guide rod (4), a spring (5), a spring guide rod (6) and a sliding block (7); the base (1) is fixed on the upper surface of the flange connecting base (13); the guide rod base (2) is of a frame-shaped structure with an upward opening and is fixed on the upper surface of the base (1); the guide rod (4) and the spring guide rod (6) both transversely penetrate through the sliding block (7), and both ends of the guide rod are fixedly connected in the frame-shaped structure; after the spring (5) surrounds the spring guide rod (6), one end of the spring abuts against the left inner side of the frame-shaped structure, the other end of the spring abuts against the left end face of the sliding block (7), and the right end face of the sliding block (7) abuts against the right inner side of the frame-shaped structure.

3. The floating sharpening device of claim 2, wherein: the polishing mechanism comprises a motor fixing seat (8), a motor (9), a polishing head connecting rod (10), a polishing sheet (11) and a pressing plate (12); the motor fixing seat (8) is fixedly connected to the upper surface of the sliding block (7); the grinding head is characterized in that the motor (9) is fixed on the motor fixing seat (8), the grinding head connecting rod (10) is fixedly connected with a rotating shaft of the motor (9), and the grinding sheet (11) is fixedly connected to the right end of the grinding head connecting rod (10) in a pressing mode through the pressing plate (12).

4. A floating milling device as claimed in claim 3, wherein: the number of the guide rods (4) is two, and the two guide rods are both arranged in parallel with the spring guide rod (6).

5. A floating milling device as claimed in claim 3, wherein: the floating mechanism further comprises a spring pressing plate (3); the left ends of the guide rod (4) and the spring guide rod (6) penetrate through the spring pressing plate (3) and then are fixed on the left inner side surface of the frame-shaped structure; the left end of the spring (5) is tightly propped against the spring pressure plate (3).

6. A floating milling device as claimed in any one of claims 3 to 5, wherein: the grinding piece (11) is a thousand-leaf piece.