CN211163518U - Novel formula plane grinding sways device - Google Patents

Abstract

A novel swing type plane grinding device comprises a fixed vertical plate, a workpiece disc, a counterweight disc, an insertion rod and a chuck, wherein the chuck is fixedly connected to a connecting shaft V through a key and is used for fixing the lower part of the shaft V through a shaft end retainer ring and a bolt; the upper part of the inserted bar is clamped in the chuck, the lower part of the inserted bar is sleeved in a corresponding hole of the workpiece disc, and the workpiece disc is contacted with the grinding disc. One motor drives the workpiece disc to form irrational number rotation, and the other motor drives the workpiece disc to do arc swinging motion with variable swinging angles, so that the workpiece disc realizes rotation and swinging motion in the grinding process, the non-closure of the grinding trajectory is realized, and the distribution range of the trajectory in the grinding disc is enlarged. The utility model discloses improve the dish wearing and tearing of plane abrasive disc, improve grinding efficiency and precision.

Description

A new type of swinging plane grinding device

technical field

The utility model relates to a plane grinding mechanism, in particular to a novel grinding device composed of two motors, one large rocker arm, six cylindrical gears, two bevel gears, etc., belonging to the technical field of plane grinding processing.

Background technique

Plane grinding technology has been widely used in ultra-precision machining, and high-precision plane grinding has become an important symbol of a country's scientific and technological development level. The kinematics of plane grinding is an important theoretical basis for high-precision shape control.

The relative motion between the workpiece and the grinding disc is a necessary condition to realize the grinding process, and the kinematics of the two is one of the main factors restricting the precision of the plane grinding process. The common feature of the current grinding trajectories is that with the passage of processing time, the grinding trajectories are closed, which means that the abrasive particles will repeat their motion trajectories over and over again within a certain period of time. At the same time, during the grinding process, due to the different internal and external linear speeds of the grinding disc, the wear is inconsistent, which will cause the flatness of the grinding disc to decrease, resulting in concave or convex errors, thus affecting the surface grinding quality of the workpiece.

The speed ratio and eccentric distance between the grinding disc and the workpiece disc in plane grinding are of great significance for the surface processing of the workpiece. Numerical simulation research shows that when the speed ratio is an irrational number, an unclosed machining curve can be obtained; by adjusting the eccentricity, the movement trajectory of the workpiece will spread more evenly over the surface of the grinding disc, effectively improving the wear uniformity of the grinding disc. The simulation shows that when the speed ratio is changed to an irrational number and the eccentricity is changed to an indeterminate eccentricity at the same time, the trajectory of the machined surface will be more uniform, and the machining efficiency will be improved. However, the speed ratio adjustment of the existing plane grinding mechanism is a single rational number, and there is less research on the grinding mechanism with uncertain eccentricity.

SUMMARY OF THE INVENTION

In order to overcome the shortcomings of the existing plane grinding with low precision and inconsistent grinding disc wear, the utility model provides a new swing type plane grinding device which improves the disc wear of the plane grinding disc and improves the grinding efficiency and precision.

The utility model is achieved through the following technical solutions:

A new type of swing-type plane grinding device includes a fixed vertical plate, a workpiece plate, a counterweight plate, a plunger and a chuck, the motor I is fixedly installed on the motor plate I, and the motor shaft is directly connected with the cylindrical gear I; The upper part of the plate is fixedly connected with the motor plate I, and the lower part of the fixed vertical plate is connected with the grinding machine fixed plate; the cylindrical gear II is fixedly installed on the large rocker arm and meshes with the cylindrical gear I; the flange I is sleeved on the lower part of the shaft I, And fixed by set screws, the lower part of flange I is connected with the grinding machine fixing plate; the shaft sleeve is sleeved on the upper part of flange I; the large rocker arm is sleeved on the shaft I through the inner copper sleeve and a pair of thrust ball bearings, It is fixed on the shaft I by two small round nuts for axial fixation; the other end of the large rocker arm is fixedly connected to the shaft V through the shaft sleeve and a pair of tapered roller bearings, and the lower end of the large rocker arm also passes through the shaft V. Small round nut fixed;

The motor II is fixedly installed on the motor plate II, the motor shaft is directly connected to the cylindrical gear III, the upper part of the shaft II is fixedly connected to the motor plate II, the cylindrical gear IV is fixedly installed on the shaft II, and is sleeved on the inner deep groove ball bearing. On the shaft II, and meshing with the cylindrical gear III; the bevel gear I is fixedly connected to the shaft II through a key connection, and the lower part of the shaft II is fixed by the shaft end retaining ring and the bolt; the planet carrier is composed of three plates and a sleeve through the screw The upper plate of the planet carrier is fixedly connected with the hub of the spur gear IV, the lower sleeve of the planet carrier is fitted on the upper part of the shaft III through the inner deep groove ball bearing; the bevel gear II is fixed on the shaft III through a key connection The lower part of the gear is meshed with the bevel gear I; the bevel gear I, the bevel gear II and the planet carrier form a planetary gear train, and the bevel gear II is driven by the planet carrier through the meshing with the bevel gear I. The upper end of the joint is connected with the lower end of the shaft III, and the lower end of the universal joint is fixedly connected with the shaft IV; the cylindrical gear V is fixed on the shaft IV through the key connection, and the flange II is sleeved on the shaft IV through the deep groove ball bearing and fixed on the shaft IV. On the bottom plate of the box; the cylindrical gear VI is fixed on the shaft V through the key connection, and the upper part of the shaft V is fixed by the shaft end retaining ring and the bolt; the chuck is fixed on the shaft V through the key connection, and is connected by the shaft end retaining ring and bolts The lower part of the fixed shaft V; the upper part of the insertion rod is clamped in the chuck, the lower part of the insertion rod is sleeved in the corresponding hole of the workpiece disk, and the workpiece disk and the grinding disk are in contact.

Further, the weight plate is sleeved on the insertion rod, and the number of the weight plate can be adjusted as required.

Further, the upper part of the T-shaped vertical plate and the upper part of the open vertical plate are connected to the motor board II. At the same time, the upper part of the T-shaped vertical plate and the lower part of the open vertical plate are also fixedly connected to the bottom plate of the box body by screws. on the rocker arm, so that the output part of the motor II forms a whole and is fixed on the large rocker arm.

Further, the fixing plate is sleeved on the shaft IV through deep groove ball bearings, and the two ends are fixedly connected with the T-shaped vertical plate and the opening vertical plate by screws, so as to ensure that the relative position of the shaft IV relative to the shaft II remains unchanged, and the rotation of the shaft is not changed. The overall structure remains stable to ensure the rotational speed output of the workpiece disc.

Still further, the shaft angle Σ=60° of the oblique meshing of the bevel gear I and the bevel gear II, and the axes of the bevel gear I, the lower part of the universal joint, and the shaft IV are on the same straight line.

Further, the axis center of the shaft I is 445mm away from the center of the grinding disc, and the connection line between the axes of the motor I, the shaft I and the grinding disc is a straight line, and the straight line is on the diagonal line of the grinding machine. , to ensure the installation position of the device.

Still further, when the universal joint is installed, it is ensured that the shaft angles at the upper and lower ends of the universal joint are equal in size.

Further, the axis center of the shaft I is 445mm away from the center of the grinding disc, and the connection line between the axes of the motor I, the shaft I and the grinding disc is a straight line, and the straight line is on the diagonal line of the grinding machine. , to ensure the installation position of the device.

In the utility model, through a reasonable mechanical mechanism, one motor drives the workpiece disk to form an irrational number of rotations, and at the same time, another motor drives the workpiece disk to perform arc swinging motion with variable swing angle, so that the workpiece disk can realize self-rotation and swing during the grinding process. The two movements realize the non-closure of the grinding track line, increase the distribution range of the track line on the grinding disc, and improve the wear uniformity of the grinding disc.

The beneficial effects of the present utility model are as follows: 1. The utility model uses a plunger for the transmission of the workpiece disk to connect the workpiece disk, which is convenient for disassembly and assembly, realizes the effectiveness of the transmission, and ensures the realization of the unreasonable rotation speed of the workpiece disk.

2. The rocking motion of the present invention is realized by means of a large rocker arm, and the stability and accuracy of the rocking motion are ensured by fixing the main shaft. 3. The rotation structure of the present invention is an integral box structure, which is compact and simple in structure. It is fixed on the large rocker arm by screws, and is realized separately from the rocking motion, which realizes the overall stability of the mechanism and effectively realizes the combination of the two motions. . 4. The self-rotating structure of the box body of the present invention is convenient for disassembly and assembly, and can be easily replaced with other speed ratio transmission structures, thereby realizing the flexibility of the mechanism. 5. The pressure change of the utility model is changed by the number of counterweight plates, the structure is simple, and the operation is convenient, and at the same time, the counterweight plate can also increase the connection between the workpiece plate and the insertion rod, and improve the stability of transmission. 6. The workpiece disc rotation structure of the utility model has the advantages of accurate transmission, no noise, lower production cost, higher grinding precision and efficiency, and solves the problem of track line closure from the principle of grinding motion. 7. The arc rocking motion of the utility model is simple in structure and stable in transmission, realizes the uniform wear of the grinding disc, and is of great significance for improving the grinding precision of the workpiece.

Description of drawings

Fig. 1 is the overall structure diagram of the present invention.

In Figure 1, 1, workpiece plate, 2, counterweight plate, 3, plunger, 4, chuck, 5, shaft V, 6, spur gear VI, 7, open vertical plate, 8, spur gear V, 9, Axle IV, 10, Universal joint, 11, Axle III, 12, Bevel gear II, 13, Planet carrier, 14, Motor plate II, 15, Spur gear IV, 16, Axle II, 17, Bevel gear I, 18, Motor II, 19, spur gear III, 20, flange II, 21, T-shaped vertical plate, 22, fixed plate, 23, bottom plate of box body, 24, shaft I, 25, small round nut, 26, large rocker arm, 27. Cylindrical gear II, 28, shaft sleeve, 29, cylindrical gear I, 30, motor plate I, 31, flange I, 32, motor I, 33, fixed vertical plate, 34, grinding machine fixed plate.

The number of teeth of each gear is cylindrical gear Iz1=35, cylindrical gear IIz2=70, cylindrical gear IIIz3=25, cylindrical gear IVz4=50, cylindrical gear Vz5=40, cylindrical gear VIz6=40, bevel gear I and bevel gear IIz1= z2=30.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings.

Referring to Figure 1, a new type of swing-type surface grinding device includes workpiece plate, counterweight plate, plunger, chuck, shaft Ⅴ, cylindrical gear Ⅵ, open vertical plate, cylindrical gear Ⅴ, shaft Ⅳ, universal joint, shaft Ⅲ, bevel gear Ⅱ, planet carrier, motor plate Ⅱ, cylindrical gear Ⅳ, shaft Ⅱ, bevel gear Ⅰ, motor Ⅱ, cylindrical gear Ⅲ, flange Ⅱ, T-shaped vertical plate, fixed plate, box bottom plate, shaft Ⅰ, Small round nut, large rocker arm, cylindrical gear Ⅱ, shaft sleeve, cylindrical gear Ⅰ, motor plate Ⅰ, flange Ⅰ, motor Ⅰ, fixed vertical plate, grinding machine fixed plate.

The motor I32 is fixedly installed on the motor plate I30, and the motor shaft is directly connected to the cylindrical gear I29; the upper part of the fixed vertical plate 33 is fixedly connected to the motor plate I30 by screws, and the lower part is also connected to the grinding machine fixing plate 34 by screws; The cylindrical gear II27 is fixedly mounted on the large rocker arm 26 by screws, and meshes with the cylindrical gear I29; the flange I31 is sleeved on the lower part of the shaft I24 and fixed by the set screw, and the lower part is fixed by the screw and the grinding machine plate. connection; the shaft sleeve 28 is sleeved on the upper part of the flange I31; the large rocker arm 26 is sleeved on the shaft I24 through the inner copper sleeve and a pair of thrust ball bearings, and is fixed on the shaft I24 through two small round nuts 25 The upper end is axially fixed; the other end of the large rocker arm 26 is fixedly connected to the shaft V5 through a shaft sleeve and a pair of tapered roller bearings, and the lower end is also fixed by a small round nut.

The motor II18 is fixedly installed on the motor plate II14, the motor shaft is directly connected with the cylindrical gear III19, the upper part of the shaft II16 is fixedly connected to the motor plate II14 through screws and washers, and the cylindrical gear IV15 is fixedly installed on the shaft II16. It is sleeved on the shaft II16 through the inner deep groove ball bearing, and meshes with the cylindrical gear III19; the bevel gear I17 is fixedly connected to the shaft II16 through a key connection, and the lower part of the shaft II16 is fixed by the shaft end retaining ring and bolts; The planet carrier 13 is composed of three plates and a sleeve connected by screws. The upper plate of the planet carrier 13 is fixedly connected to the hub of the cylindrical gear IV15 through screws, and the lower sleeve is set through the inner deep groove ball bearing. On the upper part of axis III11. The bevel gear II12 is fixed on the lower part of the shaft III11 by a key connection, and meshes with the bevel gear I17; the bevel gear I17, the bevel gear II12 and the planet carrier 13 form a planetary gear train, and the bevel gear II12 passes through the bevel gear I17. Meshing is driven by the planet carrier 13 for planetary motion; the upper end of the universal joint 10 is connected with the lower end of the shaft III11, and the lower end is fixedly connected with the shaft IV9; the cylindrical gear V8 is fixed on the shaft IV9 by a key connection, so The flange II20 is sleeved on the shaft IV9 through a deep groove ball bearing, and is fixed on the bottom plate 23 of the box by screws; the cylindrical gear VI6 is fixed on the shaft V5 through a key connection, and the shaft is fixed by the shaft end retaining ring and bolts. The upper part of Ⅴ5; the chuck 4 is fixed on the connecting shaft Ⅴ5 through the key connection, and the lower part of the shaft Ⅴ5 is fixed by the shaft end retaining ring and the bolt; In the hole corresponding to the workpiece disk 1, the workpiece disk 1 is in contact with the grinding disk.

Further, the weight plate 2 is sleeved on the insertion rod 3, and the number of the weight plate can be adjusted as required.

Further, the upper part of the T-shaped vertical plate 21 and the upper part of the opening vertical plate 7 are connected to the motor plate II 14 by screws. At the same time, the upper part of the T-shaped vertical plate 21 and the lower part of the opening vertical plate 7 are also fixedly connected to the box bottom plate 23 by screws. The body bottom plate 23 is fixed on the big rocker arm 26 by screws, so that the output part of the motor II18 is formed as a whole and fixed on the big rocker arm.

Further, the fixing plate 22 is sleeved on the shaft IV9 through the deep groove ball bearing, and the two ends are fixedly connected with the T-shaped vertical plate 21 and the opening vertical plate 7 by screws, so as to ensure that the relative position of the shaft IV9 relative to the shaft II16 is not stable. change, the whole of the rotation structure remains stable to ensure the rotational speed output of the workpiece disc.

Still further, the shaft angle Σ=60° of the oblique meshing of the bevel gear I17 and the bevel gear II12, and the axes of the bevel gear I17, the lower part of the universal joint 10, and the shaft IV9 are on the same straight line.

Further, the axis center of the axis I24 is 445mm away from the center of the grinding disc, and the connection line between the axes of the motor I30, the axis I24 and the grinding disc is a straight line, and the straight line is on the diagonal line of the grinding machine. , to ensure the installation position of the device.

Further, when the universal joint 10 is installed, it is ensured that the shaft angles at the upper and lower ends of the universal joint 10 are equal in size.

Further, the upper part of the fixed vertical plate 33 is fixedly connected to the motor plate I32 by screws, and the lower part is fixedly connected to the grinding machine fixing plate 34 by screws. The position of I32 is fixed.

The working process of the utility model is:

The first part, the motor II18 inputs the signal to transmit the power to the spur gear IIII19. Due to the meshing effect of the spur gear III19 and the spur gear IV15, the spur gear IV15 is driven to rotate, thereby driving the planet carrier 13 fixed on the spur gear IV15 to rotate around the axis II14. The axis rotates, the bevel gear II12 is engaged with the bevel gear I7 to make a planetary motion driven by the planet carrier 13, and the speed is transmitted to the shaft IV9 through the universal joint 10 at the same speed, and then the power is transmitted to the cylindrical gear V8. The meshing action of the cylindrical gear Ⅵ6 and the cylindrical gear Ⅴ8 drives the cylindrical gear Ⅵ8 to rotate, thereby driving the rotation of the shaft Ⅴ5, which in turn drives the rotary motion of the chuck 4, and then transmits the motion to the workpiece plate 1 through the insertion rod 3 to complete the workpiece. of rotational motion.

In the second part, the motor I32 inputs the signal and transmits the power to the spur gear I29. Due to the meshing effect of the spur gear II27 and the spur gear I29, the spur gear II27 is driven to swing, and the spur gear II27 is fixedly connected with the large rocker arm, thereby driving the large rocker arm. The arc swings, which in turn drives the shaft V5 to perform a swinging motion, thereby driving the arc swing of the workpiece disk.

The two motors work together, so that the workpiece disc 1 performs a smooth circular arc swing motion while realizing its own rotation. This mode improves the machining accuracy and machining efficiency of single-sided plane grinding.

The above-mentioned embodiments are only preferred embodiments of the present utility model, and are not intended to limit the technical solutions of the present utility model. As long as the technical solutions that can be realized on the basis of the above-mentioned embodiments without creative work, all should be regarded as falling within the scope of the present invention. within the scope of protection of utility model patents.

Claims (8)

1. A novel swing type plane grinding device is characterized by comprising a fixed vertical plate, a workpiece disc, a counterweight disc, an insertion rod and a chuck, wherein a motor I is fixedly arranged on a motor plate I, and a motor shaft is directly connected with a cylindrical gear I; the upper part of the fixed vertical plate is fixedly connected with the motor plate I, and the lower part of the fixed vertical plate is connected with a fixed plate of the grinding machine; the cylindrical gear II is fixedly arranged on the large rocker arm and is meshed with the cylindrical gear I; the flange I is sleeved at the lower part of the shaft I and fixed through a set screw, and the lower part of the flange I is connected with a fixing plate of the grinding machine; the shaft sleeve is sleeved on the upper part of the flange I; the large rocker arm is sleeved on the shaft I through an internal copper sleeve and a pair of thrust ball bearings and is fixed on the shaft I through two small round nuts to be axially fixed; the other end of the large rocker arm is fixedly connected with a shaft V through a shaft sleeve and a pair of tapered roller bearings, and the lower end of the large rocker arm is also fixed through a small round nut;

the motor II is fixedly arranged on the motor plate II, a motor shaft is directly connected with the cylindrical gear III, the upper part of the shaft II is fixedly connected to the motor plate II, and the cylindrical gear IV is fixedly arranged on the shaft II, sleeved on the shaft II through an internal deep groove ball bearing and meshed with the cylindrical gear III; the bevel gear I is fixedly connected with the shaft II through a key connection, and the lower part of the shaft II is fixed through a shaft end retainer ring and a bolt; the planet carrier is formed by connecting three plates and a sleeve through screws, one plate at the upper part of the planet carrier is fixedly connected with a hub of the cylindrical gear IV, and the sleeve at the lower part of the planet carrier is sleeved at the upper part of the shaft III through an internal deep groove ball bearing; the bevel gear II is fixedly connected with the lower part of the shaft III through a key and meshed with the bevel gear I; the bevel gear I, the bevel gear II and the planet carrier form a planetary gear train, and the bevel gear II is meshed with the bevel gear I to do planetary motion under the driving of the planet carrier; the upper end of the universal joint is connected with the lower end of the shaft III, and the lower end of the universal joint is fixedly connected with the shaft IV; the cylindrical gear V is fixedly connected with the shaft IV through a key, and the flange II is sleeved on the shaft IV through a deep groove ball bearing and is fixed on a bottom plate of the box body; the cylindrical gear VI is fixedly connected with the shaft V through a key and is fixed on the upper part of the shaft V through a shaft end retainer ring and a bolt; the chuck is fixedly connected to the connecting shaft V through a key, and the lower part of the shaft V is fixed through a shaft end retainer ring and a bolt; the upper part of the inserted bar is clamped in the chuck, the lower part of the inserted bar is sleeved in a corresponding hole of the workpiece disc, and the workpiece disc is contacted with the grinding disc.

2. The novel oscillating flat grinder of claim 1, wherein: the counterweight plate is sleeved on the inserted link.

3. A novel oscillating flat grinder device according to claim 1 or 2, wherein: t shape riser upper portion, the upper portion of opening riser pass through the screw and are connected with motor board II, and T shape riser upper portion, the lower part of opening riser also pass through screw and box bottom plate fixed connection simultaneously, and the box bottom plate passes through the fix with screw on big rocking arm for the output part of motor II forms a whole and fixes on big rocking arm.

4. A novel oscillating flat grinder device according to claim 1 or 2, wherein: the fixing plate is sleeved on the shaft IV through the deep groove ball bearing, two ends of the fixing plate are fixedly connected with the T-shaped vertical plate and the opening vertical plate through screws, the relative position of the shaft IV relative to the shaft II is guaranteed to be unchanged, the whole rotation structure is kept stable, and the rotating speed output of the workpiece disc is guaranteed.

5. A novel oscillating flat grinder device according to claim 1 or 2, wherein: and the shaft angle sigma of the oblique meshing of the bevel gear I and the bevel gear II is 60 degrees, and the axes of the bevel gear I, the lower part of the universal joint and the shaft IV are in the same straight line.

6. A novel oscillating flat grinder device according to claim 1 or 2, wherein: the axis center of axle I, apart from abrasive disc center 445mm, and the line of motor I, axle I, abrasive disc three's axle center is a straight line, and this straight line has guaranteed the position of device installation on the diagonal line of machine that grinds.

7. A novel oscillating flat grinder device according to claim 1 or 2, wherein: when the universal joint is installed, the shaft angles of the upper end and the lower end of the universal joint are ensured to be equal.

8. A novel oscillating flat grinder device according to claim 1 or 2, wherein: the axis center of axle I, apart from abrasive disc center 445mm, and the line of motor I, axle I, abrasive disc three's axle center is a straight line, and this straight line has guaranteed the position of device installation on the diagonal line of machine that grinds.

Images