CN204711745U - For the grinding machine of pass hole slot grinding - Google Patents

Abstract

The utility model discloses a grinding machine for hole-type hole groove grinding, which comprises a bed, a workbench, a column and a rotating disk, and is located on both sides of the rotating center of the rotating disk. There is a driving device on the table to drive the mounting seat to rotate inward synchronously. The driving device includes a transmission shaft with oppositely rotating worms installed at both ends. The worm meshing transmission has a worm wheel fixed with the mounting seat. It is coaxial and connected to the main shaft of the grinding motor by transmission. The front end of the main shaft is equipped with a grinding head, and the rear side of the column is provided with a copper ring that provides power for the grinding motor. The utility model drives the two workpieces to rotate inward synchronously through the worm gear transmission mounting seat, so that the high-speed rotating grinding head can grind the aperture at the tangent point of the two workpieces, thereby achieving different radii on the outer surface of a single workpiece. The purpose of the ring groove, its structure is simple, easy to operate, two workpieces can be processed at one time, and the work efficiency is high.

Description

Grinding machines for pass and groove grinding

technical field

The utility model relates to the technical field of mechanical processing, in particular to a grinding machine used for the grinding processing of hole-type holes.

Background technique

In mechanical processing, boring is often used to further process the hole to improve precision, reduce surface roughness, and correct the deviation of the original hole axis. In order to better improve the quality of the workpiece, the workpiece after boring generally needs to be heat-treated to improve the structural properties. The hardness and strength of the workpiece after heat treatment have been greatly improved. Therefore, in order to obtain the final manufacturing accuracy of the workpiece, more Grinding is used to grind the hole. For ordinary holes, the grinding process is more convenient and the accuracy is easy to ensure. If the holes are processed one by one, the efficiency is low and the machining accuracy is difficult to guarantee. For example, it is very inconvenient to process the hole grooves on the cylindrical surface, especially the annular grooves with different radii are more difficult to process.

Utility model content

The technical problem to be solved by the utility model is: to overcome the deficiencies in the prior art, to provide a grinding machine for hole-shaped hole grinding, to meet the requirements of processing hole-shaped holes formed by different radii, and to improve the Work efficiency, stable machining accuracy.

The technical solution adopted by the utility model to solve the technical problem is: a grinding machine for hole-shaped hole grinding, which is used for grinding hole-type holes and grooves formed by different radii on the workpiece, including the bed, the edge of the bed The workbench that slides longitudinally, the column fixed at one end of the bed, and the rotating disk fixed on the front side of the column are symmetrically located on both sides of the rotation center of the rotating disk for mounting the workpiece. There is a driving device that drives the mounting base to rotate inwardly synchronously. The driving device includes a transmission shaft. Worms with opposite rotation directions are respectively installed at both ends of the transmission shaft. The grinding frame is fixed on the rotating disk, the grinding frame is provided with a main shaft and a grinding motor coaxial with the rotating disk, the front end of the main shaft is equipped with a grinding head, and the rear end of the main shaft is connected with the grinding motor through a transmission connection. Belt drive, on the rear side of the column, there is a copper ring that provides power to the grinding motor and a brush that prevents the power cord from being entangled.

Further, a bracket is fixed on the workbench, a bearing seat is fixed inside the bracket, a bearing is installed in the inner hole of the bearing seat, and a connecting shaft is provided under the mounting seat, and the connecting shaft cooperates with the bearing and passes through the bearing to be fixed with the worm wheel.

Specifically, the drive device has a drive motor fixed on the workbench, a power shaft connected to the output shaft of the drive motor at one end, a driving bevel gear is installed on the other end of the power shaft, and a driving bevel gear is provided on the drive shaft to mesh with the driving bevel gear. Driven bevel gear.

The output shaft of the drive motor is connected with the power shaft through a coupling.

The beneficial effects of the utility model are: the utility model drives the two workpieces to rotate inward synchronously through the worm gear transmission mounting seat, so that the high-speed rotating grinding head can grind the aperture at the tangent point of the two workpieces, thereby achieving The purpose of machining circular grooves with different radii on the outer surface of a single workpiece is simple in structure, easy to operate, two workpieces can be processed at one time, and the work efficiency is high.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the drive device of the present invention.

In the figure 1. Bed 2. Workbench 3. Column 4. Rotary disc 5. Mounting base 6. Transmission shaft 7. Worm 8. Worm wheel 9. Grinding stand 10. Spindle 11. Grinding motor 12. Grinding head 13 .Belt drive 14. Copper ring 15. Electric brush 16. Bracket 17. Bearing seat 18. Bearing 19. Drive motor 20. Power shaft 21. Driving bevel gear 22. Driven bevel gear 23. Coupling 24. Workpiece

Detailed ways

The utility model is described further in conjunction with accompanying drawing now. These drawings are simplified schematic diagrams only to illustrate the basic structure of the utility model in a schematic way, so they only show the configurations related to the utility model.

As shown in Figure 1 and Figure 2, a grinding machine for grinding hole grooves is used for grinding hole grooves with different radii on the workpiece 24, which includes a bed 1 and a bed along the bed 1. The workbench 2 sliding longitudinally, the column 3 fixed on one end of the bed 1 and the rotating disk 4 fixed on the front side of the column 3, the grinding frame 9 is fixed on the rotating disk 4, and the grinding frame 9 is provided with a The main shaft 10 and the grinding motor 11 of the rotating disk 4 are coaxial. The front end of the main shaft 10 is equipped with a grinding head 12. The rear end of the main shaft 10 is connected to the grinding motor 11 with a belt transmission 13. The rear side of the column 3 passes through a right angle. The support plate is provided with a copper ring 14 that provides the power supply of the grinding motor 11. The copper ring 14 is connected to an external power supply. A brush 15 is embedded in the circumferential groove on the copper ring to prevent the power cord from being entangled. The wires drawn by the brush 15 pass through the The threading pipe on the column 3 is connected with the grinding motor 11 circuit,

Mounting seats 5 for installing workpieces 24 are symmetrically arranged on both sides of the rotating center of the rotating disk 4, and the workbench 2 below the mounting seat 5 is provided with a driving device that drives the mounting seats 5 to rotate inwardly synchronously, as shown in Figure 2. The driving device described includes a drive shaft 6, a drive motor 19 fixed on the workbench 2, a power shaft 20 connected at one end to the output shaft of the drive motor 19 through a coupling 23, and the other end of the power shaft 20 is equipped with a driving bevel gear 21. The middle position of the transmission shaft 6 is provided with a driven bevel gear 22 meshing with the driving bevel gear 21. The two ends of the transmission shaft 6 are respectively equipped with worms 7 in opposite directions. The worm 7 is meshed with a worm gear 8. Seat 5 is fixed with worm gear 8.

Specifically, a bracket 16 is fixed on the workbench 2, a bearing seat 17 is fixed inside the bracket 16, a bearing 18 is installed in the inner hole of the bearing seat 17, and a connecting shaft is arranged below the mounting seat 5, and the connecting shaft is matched with the bearing 18 and Pass through the bearing 18 and fix with the worm wheel 8. The worm gear 8 is driven by the worm 7 rotating in opposite directions to realize the synchronous inward rotation of the mounting base 5 , that is to say, the synchronous inward rotation of the two workpieces 24 .

During grinding, the workpiece 24 is fixedly installed on the mounting seat 5, the driving motor 19 is started, and the driving bevel gear 21 is driven to mesh with the driven bevel gear 22, and the transmission shaft 6 rotates, so that the two ends of the transmission shaft 6 are installed in opposite directions. The worm 7 rotates and meshes with the corresponding worm gear 8, thereby driving the mounting seat 5 to rotate inward synchronously, and the workpiece 24 mounted on the mounting seat 5 rotates. At this time, the worktable 2 slides close to the grinding head 12, and the grinding motor 11 drives The grinding head 12 rotates at a high speed. At the same time, the diameter of the grinding head 12 is changed under the action of the rotating disk 4. The workpiece 24 rotates at a certain angle, and the required aperture is processed at a certain angle. Since two workpieces 24 are processed at a time, Both workpieces 24 are rotated inwardly and bores are machined at tangents to the two circular workpieces 24, so that present on the outer surface of a single circular workpiece 24 are annular grooves of different radii.

The utility model drives the two workpieces 24 to rotate inward synchronously through the worm wheel 8 worm 7 transmission mounting seat 5, so that the high-speed rotating grinding head 12 performs aperture grinding at the tangent of the two workpieces 24, thereby achieving The purpose of machining circular grooves with different radii on the outer surface of 24 is simple in structure, easy to operate, two workpieces 24 can be processed at one time, and the work efficiency is high.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present utility model. Equivalent changes or modifications made by the spirit of the present utility model shall be covered within the protection scope of the present utility model.

Claims (4)

1. A grinding machine for grinding holes and grooves, which is used for grinding holes and grooves with different radii on the workpiece (24), including a bed (1), a machine bed (1) that slides longitudinally along the bed (1) The workbench (2), the column (3) fixed at one end of the bed (1) and the rotating disk (4) fixed on the front side of the column (3), are characterized in that: two sides of the rotation center of the rotating disk (4) A mounting seat (5) for mounting the workpiece (24) is arranged symmetrically on the side, and a driving device that drives the mounting seat (5) to rotate inward synchronously is provided on the workbench (2) below the mounting seat (5). The device includes a transmission shaft (6), and two ends of the transmission shaft (6) are respectively equipped with worms (7) in opposite directions, and the worm (7) is meshed with a worm wheel (8), and the worm wheel (8) is connected to the mounting seat (5) fixing, fixed grinding frame (9) on the described rotating disk (4), the grinding frame (9) is provided with the main shaft (10) coaxial with rotating disk (4), grinding motor ( 11), the front end of the main shaft (10) is equipped with a grinding head (12), the transmission connection between the rear end of the main shaft (10) and the grinding motor (11) is a belt transmission (13), and the rear side of the column (3) is provided with The copper ring (14) that provides the power supply of the grinding motor (11) and the brush (15) that prevents the power cord from being entangled. 2. The grinding machine for hole-type hole grinding according to claim 1, characterized in that: a bracket (16) is fixed on the workbench (2), and a bearing seat is fixed inside the bracket (16) (17), the bearing (18) is installed in the inner hole of the bearing seat (17), and there is a connecting shaft under the mounting seat (5), which is matched with the bearing (18) and fixed through the bearing (18) and the worm wheel (8) . 3. The grinding machine for hole-type hole grinding according to claim 1, characterized in that: the drive device has a drive motor (19) fixed on the workbench (2), one end and the drive motor (19) The power shaft (20) connected to the output shaft, the other end of the power shaft (20) is equipped with a driving bevel gear (21), and the transmission shaft (6) is provided with a driven drive gear (21) meshing transmission bevel gear (22). 4. The grinding machine for hole-type hole grinding according to claim 3, characterized in that: the output shaft of the drive motor (19) is connected to the power shaft (20) through a coupling (23). connect.