CN215617360U

CN215617360U - Swing grinding and polishing device

Info

Publication number: CN215617360U
Application number: CN202122093253.6U
Authority: CN
Inventors: 赵小健; 赵红连; 年颖; 赵莉
Original assignee: CNNC Tianjin Technology Development Co Ltd
Current assignee: CNNC Tianjin Technology Development Co Ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-25
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a swinging grinding and polishing device which comprises a frame mechanism, a grinding mechanism, a power mechanism, a swinging mechanism and a workpiece connecting mechanism, wherein the frame mechanism comprises a transverse plate and a top plate which are connected through a plurality of supporting pieces; the grinding mechanism comprises a grinding shaft and a grinding sleeve, the power mechanism comprises a motor and a worm gear speed reducer which are in transmission connection, and the motor is in transmission connection with the grinding shaft; the swing mechanism comprises an adjustable driving disc and an adjustable driven disc which are fixed on the top plate through a driving disc shaft and a driven disc shaft respectively, the adjustable driving disc and the driven disc are connected through a connecting rod, and the driving disc shaft is in transmission connection with the worm gear reducer; the workpiece connecting mechanism comprises a double-end screw rod, one end of the double-end screw rod is connected with the driven disc, and the other end of the double-end screw rod is connected with the lengthened nut. The utility model adopts the motor to drive the grinding tool to rotate at high speed, simultaneously utilizes the worm gear reducer to realize direction change and speed reduction, drives the swing mechanism and the steel ball mechanism with the handle to swing periodically, leads the semi-sphere to move with the grinding tool at a differential speed, and realizes the spherical surface polishing.

Description

Swing grinding and polishing device

Technical Field

The utility model belongs to the field of polishing devices, and particularly relates to a swinging grinding and polishing device.

Background

In a certain industry, a precisely machined steel ball mechanism with a handle needs to be polished through a semispherical surface, and meanwhile, the spherical surface is guaranteed to have high profile precision and reach a micron level. For this reason, it is necessary to develop a grinding and polishing apparatus to meet the above requirements.

SUMMERY OF THE UTILITY MODEL

The utility model is provided for overcoming the defects in the prior art, and aims to provide a swinging grinding and polishing device.

The utility model is realized by the following technical scheme:

a swing grinding and polishing device comprises a frame mechanism, a grinding mechanism, a power mechanism, a swing mechanism and a workpiece connecting mechanism, wherein the frame mechanism comprises a transverse plate and a top plate which are connected through a plurality of supporting pieces; the grinding mechanism comprises a grinding shaft arranged on the top plate and a grinding sleeve arranged at the top end of the grinding shaft; the power mechanism comprises a motor and a worm gear reducer which are in transmission connection, and the motor is in transmission connection with the grinding shaft; the swing mechanism comprises an adjustable driving disc and an adjustable driven disc which are fixed on the top plate through a driving disc shaft and a driven disc shaft respectively, the adjustable driving disc and the adjustable driven disc are connected through a connecting rod, and the driving disc shaft is in transmission connection with the worm gear reducer; the workpiece connecting mechanism comprises a double-end screw rod, one end of the double-end screw rod is connected with the driven disc, and the other end of the double-end screw rod is connected with the lengthened nut.

In the above technical scheme, the support member includes the screw rod and sets up in the limit nut at screw rod both ends, and the screw rod perpendicular to diaphragm, and all adopt threaded connection with diaphragm and roof, and limit nut hugs closely diaphragm or roof setting.

In the above technical scheme, the transverse plate and the top plate are parallel to each other, and the top plate is located above the transverse plate.

In the above technical scheme, the grinding shaft is arranged in the middle of the top plate, and two ends of the grinding shaft extend out of the end face of the top plate.

In the technical scheme, the grinding sleeve is fixed through the locking nut.

In the technical scheme, the motor and the worm gear speed reducer are both fixed on the transverse plate through bolts.

In the above technical scheme, a plurality of screw holes distributed with different radiuses are formed on the adjustable driving disc, and the connecting rod is connected with the screw holes.

In the technical scheme, the driven disc comprises a circular disc body and a connecting rod arranged along the radius direction of the circular disc body, and a plurality of different connecting holes are formed in the connecting rod.

In the technical scheme, the spring is sleeved outside the double-end screw, one end of the spring is in contact with the connecting arm, and the other end of the spring is provided with the nut.

In the technical scheme, the lengthened nut is connected with one end of the workpiece, and the other end of the workpiece is in contact with the grinding sleeve.

The utility model has the beneficial effects that:

the utility model provides a swinging grinding and polishing device, which adopts a motor to drive a grinding tool to rotate at a high speed, simultaneously utilizes a worm gear reducer to realize direction change and speed reduction, and drives a swinging mechanism and a steel ball mechanism with a handle to swing periodically so as to enable a semi-sphere to move in a differential way with the grinding tool, thereby realizing spherical surface polishing.

Drawings

FIG. 1 is a front view of the oscillating lapping and polishing apparatus of the present invention;

FIG. 2 is a left side view of the oscillating grinding and polishing apparatus of the present invention;

FIG. 3 is a schematic view of the position of the workpiece in the swing lapping and polishing apparatus according to the present invention;

FIG. 4 is a schematic view of the workpiece rotating and grinding state in the swing grinding and polishing apparatus according to the present invention.

Wherein:

1 horizontal plate 2 motor

No. 3I belt 4 worm gear speed reducer

5 screw 6 limit nut

No. 8 belt with 7 worm-gear shaft

9-worm shaft 10 III belt

11 connecting rod 12 adjustable driving disc

13 driving disc shaft 14 driven disc

15 driven disc shaft of top plate 16

17 double-head screw 18 spring

19 nut 20 lengthening nut

21 lock nut 22 grinding sleeve

23 grinding shaft 24 workpiece

25 connecting the arms.

For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention in the swing grinding and polishing apparatus are further described below by referring to the drawings of the specification and the specific embodiments.

As shown in fig. 1 to 4, a swinging grinding and polishing device includes a frame mechanism, a grinding mechanism, a power mechanism, a swinging mechanism and a workpiece connecting mechanism.

The frame mechanism includes diaphragm 1 and roof 2 connected through a plurality of support piece, and diaphragm 1 and roof 2 are parallel to each other, and roof 2 is located diaphragm 1 top. Support piece includes screw rod 5 and sets up in the stop nut 6 at screw rod 5 both ends, and screw rod 5 perpendicular to diaphragm 1 just all adopts threaded connection with diaphragm 1 and roof 2, and stop nut 6 hugs closely diaphragm 1 or roof 2 setting to the restriction of realization to diaphragm 1 and roof 2 position. In this embodiment, the support members are four and are disposed at four corners of the horizontal plate 1 and the top plate 2.

Grind mechanism including grinding axle 23 and grinding cover 22, grind axle 23 and set up in roof 2 middle parts, and 2 terminal surfaces of roof are all stretched out at both ends, grind cover 22 and set up in grinding 23 tops of axle, and fixed through lock nut 21. In this embodiment, a groove is formed at the top end of the grinding shaft 23, and the grinding sleeve 22 is embedded in the groove and fixed by the lock nut 21. The grinding shaft 23 is connected to the top plate through a ball bearing.

The power mechanism comprises a motor 2 and a worm gear speed reducer 4, the motor 2 and the worm gear speed reducer 4 are both fixed on the transverse plate 1 through bolts, an output shaft of the motor 2 is in transmission with the grinding shaft 23 through a No. I belt 3, and an output shaft of the motor 2 is in transmission with a worm shaft 9 of the worm gear speed reducer 4 through a No. III belt 10.

The swing mechanism comprises an adjustable driving disc 12 and an adjustable driven disc 14 which are fixed on a top plate 15 through a driving disc shaft 13 and a driven disc shaft 16 respectively, the adjustable driving disc 12 and the driven disc 14 are connected through a connecting rod 11, and the driving disc shaft 13 is in transmission with a worm wheel shaft 7 of a worm gear speed reducer 4 through a No. II belt 8. A plurality of screw holes distributed in different radiuses are formed in the adjustable driving disc 12, and the adjusting connecting rod 11 is connected with different screw holes to adjust the swing degree. The driven plate 14 is composed of a circular plate body and a connecting rod arranged along the radius direction of the circular plate body.

The workpiece connecting mechanism comprises a double-end screw 17 connected with the connecting rod through a connecting arm 25, the other end of the double-end screw is connected with a lengthened nut 20, one end of a workpiece 24 is connected with the lengthened nut 20, and the other end of the workpiece contacts with the grinding sleeve 22. The double-end screw 17 is sleeved with a spring 18, one end of the spring 18 is contacted with the connecting arm 25, and the other end is provided with a nut 19. When the workpiece lifting device is used, a workpiece is placed below the double-threaded screw 17, and the size of the workpiece is larger than the distance between the double-threaded screw 17 and the top plate 15. After the spring 18 is compressed, it applies a downward pressure to the nut 19, and the nut 19 transmits the pressure to the double-headed screw 17, and finally acts on the workpiece.

In this embodiment, a plurality of different connection holes are provided on the connection rod of the driven plate 14. By adjusting the connection of the connecting arm 25 to different connecting holes in the connecting rod, adaptation to workpieces 24 of different lengths is achieved.

The working principle of the utility model is as follows:

the utility model utilizes the high-speed rotation of the grinding tool and the periodic swinging of the workpiece to ensure that the spherical surface is fully contacted with the grinding tool, and the surface material of the steel ball is removed by grinding and polishing through differential motion.

When the grinding device is used, the motor 2 outputs power, the belts, the shafts and the connecting rod 11 transmit the power, the rapid rotation of the grinding sleeve 22 is realized, the driven disc 14 periodically swings, the lengthened nut 20 drives the workpiece 24 to periodically swing along the grinding sleeve 22, the driven rotation of the workpiece 24 is realized under the action of friction force, and the rotation speed of the workpiece 24 is lower than that of the grinding sleeve 22.

The working process of the utility model is as follows:

installing the workpiece between the grinding cup 22 and the extended nut 20 in the position shown in FIG. 3; the motor 2 is started, the motor 2 transmits power to the grinding shaft 23, the grinding sleeve 22 on the motor rotates rapidly and drives the swinging mechanism to swing, further, the workpiece 24 connected with the swinging mechanism through the workpiece connecting mechanism swings back and forth periodically, the workpiece also rotates automatically under the action of friction force, the rotation degree is lower than the rotation speed of the grinding sleeve, and the spherical surface is expanded to be ground and polished.

The single motor drives the grinding sleeve and the driven disc to move simultaneously, so that the workpiece and the grinding sleeve generate rotation speed difference and relative periodic swinging motion, and spherical surface grinding is realized.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are within the scope and disclosure of the present invention.

Claims

1. The utility model provides a sway grinding burnishing device which characterized in that: comprises a frame mechanism, a grinding mechanism, a power mechanism, a swinging mechanism and a workpiece connecting mechanism,

the frame mechanism comprises a transverse plate (1) and a top plate (2) which are connected through a plurality of supporting pieces;

the grinding mechanism comprises a grinding shaft (23) arranged on the top plate (2) and a grinding sleeve (22) arranged at the top end of the grinding shaft (23);

the power mechanism comprises a motor (2) and a worm gear speed reducer (4) which are in transmission connection, and the motor (2) is in transmission connection with the grinding shaft (23);

the swing mechanism comprises an adjustable driving disc (12) and an adjustable driven disc (14) which are respectively fixed on a top plate (15) through a driving disc shaft (13) and a driven disc shaft (16), the adjustable driving disc (12) and the driven disc (14) are connected through a connecting rod (11), and the driving disc shaft (13) is in transmission connection with a worm and gear speed reducer (4);

the workpiece connecting mechanism comprises a double-end screw (17), one end of the double-end screw is connected with the driven disc (14), and the other end of the double-end screw is connected with the lengthened nut (20).

2. The oscillating grinding and polishing device according to claim 1, wherein: the support piece comprises a screw rod (5) and limiting nuts (6) arranged at two ends of the screw rod (5), the screw rod (5) is perpendicular to the transverse plate (1) and is in threaded connection with the transverse plate (1) and the top plate (2), and the transverse plate (1) or the top plate (2) is tightly attached to the limiting nuts (6).

3. The oscillating grinding and polishing device according to claim 2, wherein: the transverse plate (1) and the top plate (2) are parallel to each other, and the top plate (2) is located above the transverse plate (1).

4. The oscillating grinding and polishing device according to claim 1, wherein: the grinding shaft (23) is arranged in the middle of the top plate (2), and two ends of the grinding shaft extend out of the end face of the top plate (2).

5. The oscillating grinding and polishing device according to claim 4, wherein: the grinding sleeve (22) is fixed through a locking nut (21).

6. The oscillating grinding and polishing device according to claim 1, wherein: the motor (2) and the worm gear speed reducer (4) are both fixed on the transverse plate (1) through bolts.

7. The oscillating grinding and polishing device according to claim 1, wherein: a plurality of screw holes distributed in different radiuses are formed in the adjustable driving disc (12), and the connecting rod (11) is connected with the screw holes.

8. The oscillating grinding and polishing device according to claim 1, wherein: the driven disc (14) comprises a circular disc body and a connecting rod arranged along the radius direction of the circular disc body, and a plurality of different connecting holes are formed in the connecting rod.

9. The oscillating grinding and polishing device according to claim 1, wherein: spring (18) is established to double-end screw (17) outside cover, spring (18) one end contact linking arm (25), and the other end sets up nut (19).

10. The oscillating grinding and polishing device according to claim 9, wherein: the lengthened nut (20) is connected with one end of a workpiece (24), and the other end of the workpiece (24) is in contact with the grinding sleeve (22).