CN219945714U - A kind of curved surface polishing machine - Google Patents

Abstract

The utility model relates to the technical field of polishing machines and discloses a curved surface polishing machine which comprises a fixed disc, a servo motor arranged at the top of the fixed disc and used for driving, and a connecting rotating shaft arranged at the output end of the servo motor and rotationally connected to the inner wall of the fixed disc and used for transmission, wherein a polishing mechanism used for polishing is arranged on the connecting rotating shaft, a fixed rod used for connecting and a grinding ball used for grinding are arranged in the polishing mechanism, a fixed part used for fixing a workpiece is arranged at the bottom of the connecting rotating shaft, and a driving part used for driving the grinding ball to rotate is arranged in the connecting rotating shaft. According to the utility model, through the driving part, the fixed rod and the connecting rotating rod rotate relatively, under the action of the first bevel gear and the second bevel gear which are meshed with each other, the connecting rotating rod is driven to rotate, the grinding ball rotates while revolving around the connecting rotating shaft, and the inner wall of the workpiece can be further ground through the rotation of the grinding ball, so that the grinding efficiency can be effectively improved.

Description

A kind of curved surface polishing machine

Technical field

The utility model relates to the technical field of polishing machines, in particular to a curved surface polishing machine.

Background technique

Polishing refers to a processing method that uses mechanical, chemical or electrochemical effects to reduce the surface roughness of a workpiece to obtain a bright and smooth surface; it is a modification process that uses polishing tools and abrasive particles or other polishing media to modify the surface of the workpiece.

When polishing, the existing polishing machine performs well when polishing flat surfaces and can complete the work task well. However, when used to polish curved surfaces, it has low applicability, low processing efficiency, and is very inconvenient. When the workpiece is used, its rotation direction is fixed, and the workpiece is polished by the rotation of the grinding component. It requires repeated grinding by rubbing the grinding component on the workpiece, and the grinding efficiency is very low.

To this end, we propose a curved surface polishing machine.

Utility model content

The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a curved surface polishing machine.

In order to achieve the above purpose, the utility model adopts the following technical solution, a curved surface polishing machine, including a fixed plate, a servo motor arranged on the top of the fixed plate for driving, and an output end of the servo motor arranged and rotationally connected to the inner wall of the fixed plate. A connecting rotating shaft for transmission, a polishing mechanism for polishing is provided on the connecting rotating shaft, a fixed rod for connecting and a grinding ball for grinding are provided in the polishing mechanism, and the bottom of the connecting rotating shaft is provided with a fixing rod for fixing to the workpiece part, and a driving part for driving the grinding ball to rotate is provided in the connecting rotating shaft.

Furthermore, multiple sets of the fixed rods are linearly arranged on the outer wall of the connecting rotating shaft. The length of the fixed rods decreases in curvature from top to bottom. A rotation groove is provided at the tail end of the fixed rod, and the grinding ball is rotationally connected to the inner wall of the rotation groove.

Further, a bottom plate and a suction cup are provided in the fixed part, a first rotation hole is provided on the inner wall of the bottom of the connecting rotating shaft, a connecting rod is rotatably connected to the inner wall of the first rotating hole, the top end of the connecting rod is rotationally connected to the inner wall of the top of the connecting rotating shaft, and the bottom plate is provided on the connecting rod. At the bottom axial position, the suction cups are arranged in a circle at one end of the bottom of the bottom plate.

Further, second rotation holes are provided at both ends of the fixed rod, and the second rotation hole at one end close to the grinding ball extends to the inner wall of the rotation groove, and the inner wall of the second rotation hole is rotationally connected to a connecting rotating rod, and the grinding ball is fixedly connected to the connecting rotating rod. One end of the rod.

Further, the driving part is provided with a first bevel gear and a second bevel gear that mesh with each other, the other end of the connecting rotating rod extends to the inner wall of the connecting rotating shaft, and the second bevel gear is fixedly connected to one end of the connecting rotating rod close to the connecting rod in the axial direction, The first bevel gear is fixedly connected to the outer wall of the connecting rod.

Furthermore, the outer wall of the fixed rod is provided with a plurality of sets of dust suction holes arranged in a circle for dust suction.

Further, the outer wall of the connecting rotating rod is fixedly connected with a plurality of linearly arranged friction blades, and the inner wall of the connecting rotating rod is fixedly connected with a plurality of linearly arranged friction rings. The friction ring is annular, and the friction blade tail end is connected to the friction ring. The inner walls are in contact.

Further, the friction blades are made of rubber, and the inner ring of the friction ring is provided with a fur coating.

beneficial effects

The utility model provides a curved surface polishing machine. It has the following beneficial effects:

(1) This kind of curved surface polishing machine, through the set driving part, when polishing the workpiece, since the bottom plate is fixed on the workpiece through the suction cup, then the connecting rod can be stationary relative to the workpiece, and when the connecting shaft rotates, its outer side The connecting rotating rod in the fixed rod can rotate around the connecting rotating axis synchronously, and then there is relative rotation with the connecting rod, so that under the action of the first bevel gear and the second bevel gear meshing with each other, the connecting rotating rod can be driven to rotate. Then, the rotation of the connecting rotating rod drives the grinding ball on it to rotate around the connecting shaft. Through the rotation of the grinding ball, the inner wall of the workpiece can be further polished, which can effectively improve the grinding efficiency.

(2) This kind of curved surface polishing machine, through the set polishing mechanism, when the workpiece needs to be polished, the base plate is fixed on the workpiece through the suction cup pair under the base plate, and the servo motor is turned on, and the servo motor starts to drive the connection The rotating shaft, the fixed rod and the grinding ball on it rotate synchronously, and then drive the grinding ball to grind the inner wall of the workpiece. The length of the fixed rod decreases in curvature from top to bottom, so that the grinding ball on the tail end of the fixed rod moves from top to bottom. The bottom can have a certain curvature, making it easier to polish the curved surface.

(3) This kind of curved surface polishing machine has friction blades and friction rings. When the rotating rod is connected to rotate, the friction blades on it can actually rotate synchronously, and the friction blades are in contact with the friction ring, so that The friction blade can rub against the friction ring when rotating. The friction blade is made of rubber, and the inner ring of the friction ring is provided with a fur coating, which can generate static electricity during friction, and the polished impurities can be absorbed by static electricity. The holes are used for suction to prevent impurities from falling into the workpiece. After the grinding is completed, it needs to be cleaned again, which increases the operating steps and increases the investment in labor costs.

Description of the drawings

Figure 1 is a front view of the utility model;

Figure 2 is a cross-sectional view of the utility model;

Figure 3 is an enlarged view of part A of Figure 2 of the present invention;

Figure 4 is a cross-sectional view of the fixing rod in the second embodiment of the present invention.

Legend: 1. Fixed plate; 2. Servo motor; 3. Connecting rotating shaft; 4. Fixed rod; 5. Grinding ball; 6. Bottom plate; 7. Connecting rod; 8. Connecting rotating rod; 9. Suction cup; 10. Chapter One bevel gear; 11. Second bevel gear; 12. Friction blade; 13. Friction ring; 14. Dust suction hole.

Detailed ways

Embodiment 1: A curved surface polishing machine, as shown in Figure 1-2, includes a fixed plate 1, a servo motor 2 arranged on the top of the fixed plate 1 for driving, and an output end of the servo motor 2 arranged and rotationally connected to the fixed plate. The inner wall of the disk 1 is used for the connecting rotating shaft 3 for transmission. The connecting rotating shaft 3 is provided with a polishing mechanism for polishing. The polishing mechanism is provided with a fixed rod 4 for connecting and a grinding ball 5 for grinding, and the bottom of the connecting rotating shaft 3 is provided with a useful In the fixed part fixed to the workpiece, a driving part for driving the grinding ball 5 to rotate is provided in the connecting rotating shaft 3 .

Multiple sets of fixed rods 4 are linearly arranged on the outer wall of the connecting shaft 3. The length of the fixed rods 4 decreases in curvature from top to bottom. A rotation groove is provided at the tail end of the fixed rod 4, and the grinding ball 5 is rotationally connected to the inner wall of the rotation groove.

A bottom plate 6 and a suction cup 9 are provided in the fixed part. A first rotation hole is provided in the inner wall of the bottom of the connecting shaft 3. A connecting rod 7 is rotatably connected to the inner wall of the first rotating hole. The top end of the connecting rod 7 is rotatably connected to the top inner wall of the connecting shaft 3. The bottom plate 6 is provided At the axial position of the bottom of the connecting rod 7, the suction cups 9 are arranged in a circle at one end of the bottom of the base plate 6.

Through the set polishing mechanism, when the workpiece needs to be polished, the base plate 6 is fixed on the workpiece through the pair of suction cups 9 under the base plate 6, and the servo motor 2 is turned on. The servo motor 2 starts to drive the connecting shaft 3 and the The fixed rod 4 and the grinding ball 5 rotate synchronously, and then drive the grinding ball 5 to grind on the inner wall of the workpiece. The length of the fixed rod 4 decreases in curvature from top to bottom, so that the grinding ball 5 on the tail end of the fixed rod 4 moves from top to bottom. The lower part can have a certain curvature, making it easier to polish the curved surface.

As shown in Figure 2-3, second rotation holes are provided at both ends of the fixed rod 4. The second rotation hole at one end close to the grinding ball 5 extends to the inner wall of the rotation groove, and the inner wall of the second rotation hole is rotationally connected to a connecting rotating rod 8. The grinding ball 5 is fixedly connected to one end of the connecting rotating rod 8 .

The driving part is provided with a first bevel gear 10 and a second bevel gear 11 that mesh with each other. The other end of the connecting rotating rod 8 extends to the inner wall of the connecting rotating shaft 3 , and the second bevel gear 11 is fixedly connected to one end of the connecting rotating rod 8 close to the connecting rod 7 In the axial direction, the first bevel gear 10 is fixedly connected to the outer wall of the connecting rod 7 .

Through the provided driving part, when the workpiece is being polished, since the bottom plate 6 is fixed on the workpiece through the suction cup 9, the connecting rod 7 can then be stationary relative to the workpiece. When the connecting shaft 3 rotates, the connecting shaft 4 in the outer fixed rod 4 The rod 8 can rotate synchronously around the connecting shaft 3, and then rotate relative to the connecting rod 7, so that under the action of the first bevel gear 10 and the second bevel gear 11 that mesh with each other, the connecting rod 8 can be driven to rotate. Then, the rotation of the connecting rotating rod 8 drives the grinding ball 5 on it to rotate while revolving around the connecting rotating shaft 3. Through the rotation of the grinding ball 5, the inner wall of the workpiece can be further polished, thereby effectively improving the grinding efficiency.

Embodiment 2: On the basis of Embodiment 1, with reference to Figure 4, the outer wall of the fixed rod 4 is provided with a plurality of sets of dust suction holes 14 arranged in a circle for dust suction.

The outer wall of the connecting rotating rod 8 is fixedly connected with a plurality of linearly arranged friction blades 12, and the inner wall of the connecting rotating rod 8 is fixedly connected with a plurality of linearly arranged friction rings 13. The friction ring 13 is annular, and the tail end of the friction blade 12 is connected to The inner walls of the friction ring 13 are in contact.

The friction blade 12 is made of rubber, and the inner ring of the friction ring 13 is provided with a fur coating.

Through the friction blades 12 and friction rings 13 provided, when the connecting rod 8 rotates, the friction blades 12 on it can rotate synchronously, and the friction blades 12 are in contact with the friction ring 13, so that the friction blades 12 rotate The friction blade 12 is made of rubber, and the inner ring of the friction ring 13 is provided with a fur coating, which can generate static electricity during friction, and the polished impurities can pass through the dust suction hole through static electricity. 14 for suction to prevent impurities from falling onto the workpiece, which needs to be cleaned again after the grinding is completed, which increases the operating steps and increases the investment in labor costs.

The basic principles and main features of the present utility model and the advantages of the present utility model are shown and described above. Those skilled in the industry should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model can be There will also be various changes and improvements in the new model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the present utility model is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a curved surface burnishing machine, includes fixed disk (1), sets up in fixed disk (1) top be used for driven servo motor (2) and sets up in servo motor (2) output and rotates to be connected in fixed disk (1) inner wall be used for driven connection pivot (3), its characterized in that: the polishing device is characterized in that a polishing mechanism for polishing is arranged on the connecting rotating shaft (3), a fixing rod (4) for connection and a grinding ball (5) for grinding are arranged in the polishing mechanism, a fixing part for fixing a workpiece is arranged at the bottom of the connecting rotating shaft (3), and a driving part for driving the grinding ball (5) to rotate is arranged in the connecting rotating shaft (3).

2. The curved surface polishing machine according to claim 1, wherein: the multiple groups of fixing rods (4) are linearly arranged on the outer wall of the connecting rotating shaft (3), the lengths of the fixing rods (4) from top to bottom are sequentially reduced in curvature, the tail ends of the fixing rods (4) are provided with rotating grooves, and grinding balls (5) are rotationally connected to the inner walls of the rotating grooves.

3. The curved surface polishing machine according to claim 1, wherein: be provided with bottom plate (6) and sucking disc (9) in the fixed part, first rotation hole has been seted up to connection pivot (3) bottom inner wall, and first rotation hole inner wall rotates and is connected with connecting rod (7), and connecting rod (7) top rotates to be connected in connection pivot (3) top inner wall, and bottom plate (6) set up in connecting rod (7) bottom axial position, and sucking disc (9) are circumference and arrange in bottom plate (6) bottom one end.

4. A curved surface polisher according to claim 3, wherein: the second rotating holes are formed in the two ends of the fixed rod (4), the second rotating holes close to one end of the grinding ball (5) extend to the inner wall of the rotating groove, the inner wall of the second rotating hole is rotationally connected with the connecting rotating rod (8), and the grinding ball (5) is fixedly connected to one end of the connecting rotating rod (8).

5. The curved surface polishing machine of claim 4, wherein: the driving part is internally provided with a first bevel gear (10) and a second bevel gear (11) which are meshed with each other, the other end of the connecting rotating rod (8) extends to the inner wall of the connecting rotating shaft (3), the second bevel gear (11) is fixedly connected with the connecting rotating rod (8) and is close to the axial direction of one end of the connecting rod (7), and the first bevel gear (10) is fixedly connected with the outer wall of the connecting rod (7).

6. The curved surface polishing machine of claim 4, wherein: the outer wall of the fixed rod (4) is provided with a plurality of groups of dust collection holes (14) which are circumferentially arranged and used for dust collection.

7. The curved surface polishing machine of claim 6, wherein: the outer wall of the connecting rotating rod (8) is fixedly connected with a plurality of groups of friction blades (12) which are linearly arranged, the inner wall of the connecting rotating rod (8) is fixedly connected with a plurality of groups of friction rings (13) which are linearly arranged, the friction rings (13) are annular, and the tail ends of the friction blades (12) are contacted with the inner wall of the friction rings (13).

8. The curved surface polishing machine of claim 7, wherein: the friction blades (12) are made of rubber, and fur plating layers are arranged on the inner rings of the friction rings (13).