Grinding machine driving device

Abstract

The utility model discloses a grinding machine driving device which comprises a driving box and a driving ring located below the driving box, the outer surface of the driving box is fixedly connected with a plurality of supporting rods, one end of each supporting rod is fixedly connected with the top of the driving ring, a motor is fixedly installed in the driving box, and the driving ring is fixedly connected with the driving box. The utility model relates to the technical field of grinding machines. According to the driving device of the grinding machine, the motor drives the rotating rod and the driving shaft to rotate, the driving shaft drives the multiple limiting plates to rotate through the two fixing sleeves, the multiple limiting plates on the upper layer and the lower layer rotate up and down on the limiting rings, the multiple fixing sleeves are limited through the limiting rings, and therefore the driving shaft can be well limited, dust is not accumulated in a closed space, and the grinding machine is convenient to use. The rotating stability of the multiple limiting plates is improved, shaking and vibration are reduced, the fan blades are driven by the driving shaft to rotate to blow air downwards, dust can be well blown away downwards, and the dust is prevented from entering the driving device.

Description

Technical Field

[0001] The utility model relates to the technical field of grinders, in particular to a grinder driving device. Background Art

[0002] A grinder is a machine that uses a grinding tool coated with or embedded with abrasives to grind the surface of a workpiece. It is mainly used to grind high-precision planes, internal and external cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other surfaces in the workpiece. The driving device of the grinder generally uses a motor to drive the grinding, but during the long-term grinding process, vibration and jitter will occur, and the center of rotation during the grinding rotation process may even shift, which seriously affects the grinding quality and safety. A patent has now been developed to improve this.

[0003] For example, Chinese patent CN210121809U discloses a grinding drive device of a grinder, comprising a main drive box, a sub-drive box and a drive disc, a fixed steel plate is welded on the outer periphery of the top of the main drive box, the fixed steel plate is used to fix the position of the main drive box, an inner groove is provided inside the main drive box, a motor is threadedly connected to the bottom of the inner groove, the motor is electrically connected to an external power supply, and one end of the power shaft of the motor passes through the main drive box, and one end of the power shaft is connected to the sub-shaft through a coupling; the power shaft of the motor of the utility model is connected to the drive disc through the sub-shaft, when the drive disc rotates driven by the power shaft, the arc groove limits the movement of the drive disc, thereby ensuring the stability of the drive disc during rotation, effectively reducing jitter and vibration during long-term use, and avoiding the deviation of the center position, thereby ensuring stability in use.

[0004] Although the above patent can effectively reduce jitter and vibration, and avoid the deviation of the center position, ensuring the stability of use, a large amount of dust will be generated during the grinding process of the grinder. Some of the dust can easily enter the driving device, causing dust to enter the arc groove. Over time, the arc groove will be blocked, increasing the friction between the driving disc and the arc groove, affecting the normal rotation of the driving disc, and increasing the power consumption of the driving motor. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a grinding machine driving device, which solves the problem that the grinding machine abrasive generates a large amount of dust, the dust enters the arc groove, blocks the arc groove over a long period of time, increases the friction between the driving disc and the arc groove, and affects the normal rotation of the driving disc.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a grinding machine driving device, comprising a driving box and a driving ring located below the driving box, the outer surface of the driving box is fixedly connected to a plurality of support rods, one end of the support rod is fixedly connected to the top of the driving ring, a motor is fixedly installed inside the driving box, the output shaft of the motor is fixedly connected to a rotating rod through a coupling, one end of the rotating rod passes through the driving box and extends to the bottom of the driving box, the end of the rotating rod extending to the outside of the driving box is fixedly connected to the driving shaft, the inner surface of the driving ring is fixedly connected to a plurality of connecting rods, and a limiting ring is fixedly connected between the opposite ends of the plurality of connecting rods, the outer surface of the driving shaft and the upper and lower surfaces of the limiting ring are fixedly connected to a fixing sleeve, the outer surface of the fixing sleeve is fixedly connected to a plurality of limiting plates, and the outer surface of the driving shaft and the upper surface of the fixing sleeve are fixedly installed with fan blades.

[0007] Preferably, circular grooves are provided on opposite sides of the upper and lower limiting plates, balls are arranged inside the circular grooves, and annular grooves matching the balls are provided on the top and bottom of the limiting rings.

[0008] Preferably, support plates are fixedly connected to both sides of the top of the driving ring.

[0009] Preferably, an air collecting tube adapted to the fan blades is fixedly connected between opposite sides of the two support plates.

[0010] Preferably, a filter plate is fixedly mounted on the top of the drive box.

[0011] Preferably, mounting plates are fixedly mounted on both sides of the outer surface of the filter plate.

[0012] Beneficial Effects

[0013] The utility model provides a grinding machine driving device. Compared with the existing technology, it has the following beneficial effects:

[0014] (1) The utility model drives the rotating rod and the driving shaft to rotate through a motor, and the driving shaft drives multiple limit plates to rotate through two fixed sleeves, so that the upper and lower layers of multiple limit plates rotate up and down on the limit rings. The multiple fixed sleeves are limited by the limit rings, so that the driving shaft can be limited well, and there is no closed space for dust to accumulate, which improves the stability of the rotation of the multiple limit plates, reduces jitter and vibration, and drives the fan blades to rotate and blow air downward through the driving shaft, which can blow dust downward well and prevent dust from entering the driving device.

[0015] (2) The utility model uses the balls on the limit plate to make the limit plate roll in the annular groove through the balls, which can effectively reduce the friction between the limit plate and the limit ring, thereby lowering the driving power consumption of the driving motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the drive box and the motor of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the drive ring, rotating rod, drive shaft, limit ring, fixing sleeve, limit plate, fan blade, support plate and air collecting tube of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the fixing sleeve, the limiting plate, the circular groove and the ball of the utility model.

[0020] In the figure: 1. drive box; 2. drive ring; 3. support rod; 4. motor; 5. rotating rod; 6. drive shaft; 7. connecting rod; 8. limit ring; 9. fixing sleeve; 10. limit plate; 11. fan blade; 12. circular groove; 13. ball bearing; 14. annular slide groove; 15. support plate; 16. air collecting tube; 17. filter plate; 18. mounting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-4 The utility model provides a technical solution: a grinding machine driving device, including a driving box 1 and a driving ring 2 located below the driving box 1, a plurality of support rods 3 are fixedly connected to the outer surface of the driving box 1, one end of the support rod 3 is fixedly connected to the top of the driving ring 2, a motor 4 is fixedly installed inside the driving box 1, the motor 4 is electrically connected to an external power supply and is controlled by a control switch, the output shaft of the motor 4 is fixedly connected to a rotating rod 5 through a coupling, one end of the rotating rod 5 passes through the driving box 1 and extends to the bottom of the driving box 1, a rotating port adapted to the rotating rod 5 is opened at the bottom of the driving box 1, and the rotating rod 5 extends One end extending to the outside of the drive box 1 is fixedly connected to a drive shaft 6, a plurality of connecting rods 7 are fixedly connected to the inner surface of the drive ring 2, a limit ring 8 is fixedly connected between opposite ends of the plurality of connecting rods 7, a fixing sleeve 9 is fixedly connected to the outer surface of the drive shaft 6 and located above and below the limit ring 8, a plurality of limit plates 10 are fixedly connected to the outer surface of the fixing sleeve 9, a fan blade 11 is fixedly installed on the outer surface of the drive shaft 6 and located above the fixing sleeve 9, support plates 15 are fixedly connected to both sides of the top of the drive ring 2, and a wind collecting tube 16 adapted to the fan blade 11 is fixedly connected between opposite sides of the two support plates 15.

[0023] Furthermore, in order to reduce the friction between the limit plate 10 and the limit ring 8, circular grooves 12 are provided on the opposite sides of the upper and lower limit plates 10, and balls 13 are arranged inside the circular grooves 12. Annular grooves 14 adapted to the balls 13 are provided on the top and bottom of the limit ring 8.

[0024] It should be noted that, by rolling the balls 13 in the annular groove 14 , the plurality of balls 13 are limited in the annular groove 14 , so that the limiting ring 8 limits the plurality of limiting plates 10 leftwards and rightwards and forwards to prevent shaking.

[0025] Furthermore, in order to allow ventilation and heat dissipation of the drive box 1 , a filter plate 17 is fixedly installed on the top of the drive box 1 .

[0026] Furthermore, mounting plates 18 are fixedly mounted on both sides of the outer surface of the filter plate 17 .

[0027] When in use, the motor 4 drives the rotating rod 5 to rotate, the rotating rod 5 drives the driving shaft 6 to rotate, the driving shaft 6 drives the two fixed sleeves 9 to rotate, the two fixed sleeves 9 respectively drive the plurality of limit plates 10 to rotate, so that the upper and lower layers of the plurality of limit plates 10 rotate above and below the limit ring 8, the balls 13 in the limit plates 10 roll in the annular groove 14, so that the limit ring 8 limits the upper and lower layers of the limit plates 10, thereby limiting the driving shaft 6 through the fixed sleeve 9;

[0028] When the driving shaft 6 rotates, the fan blades 11 are driven to rotate in the air collecting tube 16 , so that the fan blades 11 rotate to blow air downward, thereby blowing away the dust on the limiting ring 8 .

Claims

1. A grinding machine driving device, comprising a driving box (1) and a driving ring (2) located below the driving box (1), characterized in that: The outer surface of the drive box (1) is fixedly connected to a plurality of support rods (3), one end of the support rods (3) is fixedly connected to the top of the drive ring (2), a motor (4) is fixedly installed inside the drive box (1), the output shaft of the motor (4) is fixedly connected to a rotating rod (5) through a coupling, one end of the rotating rod (5) passes through the drive box (1) and extends to the bottom of the drive box (1), the end of the rotating rod (5) extending to the outside of the drive box (1) is fixedly connected to a drive shaft (6), the inner surface of the drive ring (2) is fixedly connected to a plurality of connecting rods (7), a limiting ring (8) is fixedly connected between opposite ends of the plurality of connecting rods (7), a fixing sleeve (9) is fixedly connected to the outer surface of the drive shaft (6) and is located above and below the limiting ring (8), a plurality of limiting plates (10) are fixedly connected to the outer surface of the fixing sleeve (9), and a fan blade (11) is fixedly installed to the outer surface of the drive shaft (6) and is located above the fixing sleeve (9).

2. A grinding machine driving device according to claim 1, characterized in that: A circular groove (12) is provided on opposite sides of the upper and lower limit plates (10), a ball (13) is arranged inside the circular groove (12), and an annular sliding groove (14) adapted to the ball (13) is provided on the top and bottom of the limit ring (8).

3. A grinding machine driving device according to claim 1, characterized in that: Support plates (15) are fixedly connected to both sides of the top of the driving ring (2).

4. A grinding machine driving device according to claim 3, characterized in that: An air collecting tube (16) adapted to the fan blades (11) is fixedly connected between opposite sides of the two support plates (15).

5. A grinding machine driving device according to claim 1, characterized in that: A filter plate (17) is fixedly mounted on the top of the drive box (1).

6. A grinding machine driving device according to claim 5, characterized in that: Mounting plates (18) are fixedly mounted on both sides of the outer surface of the filter plate (17).

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