CN207509003U - Numerically control grinder main shaft support device - Google Patents

Abstract

The utility model discloses a main shaft supporting device for a numerical control grinding machine, which comprises a supporting platform. The top of the supporting platform is fixedly provided with a vertical vertical plate, a support rod and a cylinder. The rod is located between two vertical risers, and there are two air cylinders, which are respectively located on one side of the vertical risers. The top of the support rod is fixedly connected with a horizontal cylinder, and the sides of the vertical risers are Each is provided with an annular turning groove, and a rotating ring is rotatably connected in the annular turning groove. A plurality of first inclined-plane columns, the sides of the first inclined-plane columns close to each other are contacted and connected with second inclined-plane columns. The utility model makes the force of the main shaft more uniform during the fixing process, the fixing and supporting effect is better, and the use requirements of people in production and life are met.

Description

Spindle support device for CNC grinding machine

technical field

The utility model relates to the technical field of numerical control machine tools, in particular to a spindle supporting device for a numerical control grinding machine.

Background technique

The spindle of a machine tool refers to the axis on the machine tool that drives the workpiece or tool to rotate. It is usually composed of a spindle, bearings, and transmission parts (gears or pulleys). It is mainly used to support transmission parts such as gears and pulleys in the machine. Motion and torque, such as machine tool spindles; some are used to clamp workpieces, such as mandrels. Except for machine tools whose main motion is linear motion such as planers and broaching machines, most machine tools have spindle components. The movement accuracy and structure of spindle components Rigidity is an important factor in determining processing quality and cutting efficiency. The indicators to measure the performance of spindle components are mainly rotation accuracy, stiffness and speed adaptability.

Now when people fix the spindle of the CNC grinding machine on the CNC grinding machine, they usually use the oppositely arranged cylinder groups to move the two flat clamping plates relative to each other, and clamp the spindle in the middle. The force is not balanced, and the fixation in the Z-axis direction is not stable, which cannot meet the needs of people in production and life.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a spindle supporting device for a numerically controlled grinding machine.

In order to achieve the above object, the utility model adopts the following technical solutions:

The main shaft support device for CNC grinding machine includes a support platform, the top of the support platform is fixedly equipped with vertical vertical plates, support rods and cylinders, two vertical vertical plates are arranged in parallel and opposite each other, and the support rods are located on two vertical vertical plates. Between the plates, there are two air cylinders which are respectively located on one side of the vertical vertical plate. The top of the support rod is fixedly connected with a horizontal cylinder, and the sides of the vertical vertical plates close to each other are provided with annular turning grooves. A rotating ring is rotatably connected inside the annular turning groove, and the sides of the rotating ring away from the annular turning groove are respectively sleeved outside the two ends of the horizontal cylinder. The inner wall of the rotating ring is fixedly connected with several first inclined-plane columns, The sides of the first slanted columns that are close to each other are contacted with the second slanted columns, and the horizontal cylinder is provided with several square through holes, and the ends of the second slanted columns that are close to each other extend through the square through holes to the horizontal cylinder inside, and one end of the second inclined-plane column that is close to each other is fixedly connected with an arc-shaped clamping plate, the inner walls of the openings at both ends of the square through hole are fixedly connected to the limit block, and the outer side of the second inclined-plane column is fixedly connected to There is a limit plate, the limit plate is located between the limit blocks, and a return spring is fixedly connected between the limit block and the limit plate, a horizontal chute is opened on the top of the support platform, and a sliding slide is connected in the horizontal chute. A horizontal gear plate is connected to the top of the slider, an arc-shaped gear plate is fixedly connected to the bottom of the rotating ring, and one side of the horizontal gear plate is fixedly connected to the output shaft of the cylinder.

Preferably, the sides of the horizontal gear plate and the arc gear plate close to each other are provided with tooth grooves and meshed with each other.

Preferably, the horizontal chute is located vertically below the rotating ring, and the top of the slider extends to the top of the support table and is fixedly connected to the bottom of the horizontal gear plate.

Preferably, the vertical vertical plate is provided with a circular through hole in the horizontal direction, and the circular through hole communicates with the horizontal cylinder.

Preferably, the sides where the first inclined-plane column and the second inclined-plane column are in contact with each other are all inclined-plane structures, and are connected by sliding contact.

Preferably, the first inclined-plane columns are disposed annularly and equidistantly on the inner wall of the rotating ring.

Compared with the prior art, the beneficial effects of the utility model are:

Insert the main shaft between the arc-shaped clamping plates, drive the horizontal gear plate through the cylinder, and the horizontal gear plate drives the arc-shaped gear plate to rotate through the gear groove, and the rotating ring rotates in the annular chute accordingly. When the rotating ring rotates, the first The inclined surfaces of the inclined-plane column and the second inclined-plane column interact with each other, the first inclined-plane column pushes the second inclined-plane column to the side close to each other, and the arc-shaped clamping plate set at the end of the second inclined-plane column clamps the main shaft It is assumed that the force is uniform, the fixed support effect is good, and the setting of the limit block is to limit the movement range of the second inclined column, and at the same time make the arc-shaped clamping plate at one end of the second inclined column fit more closely with the main shaft. The utility model makes the force of the main shaft more uniform during the fixing process, the fixing and supporting effect is better, and the use requirements of people in production and life are met.

Description of drawings

Fig. 1 is the schematic diagram of the front view structure of the spindle supporting device for CNC grinding machine proposed by the utility model;

Fig. 2 is the side view sectional structure schematic diagram of the main shaft supporting device of the CNC grinding machine proposed by the utility model;

Fig. 3 is a side view sectional structural schematic diagram of a part of the main shaft support device for a CNC grinding machine proposed by the utility model.

In the figure: 1 support platform, 2 vertical vertical plate, 3 support rod, 4 horizontal cylinder, 5 rotating ring, 6 first inclined column, 7 second inclined column, 8 arc clamping plate, 9 limit block, 10 Limiting plate, 11 return springs, 12 arc gear plates, 13 cylinders, 14 horizontal gear plates, 15 slide blocks.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figures 1-3, the spindle support device for CNC grinding machines includes a support platform 1, and the top of the support platform 1 is fixed with a vertical vertical plate 2, a support rod 3 and a cylinder 13, and there are two vertical vertical plates 2 parallel to each other. Set, the support rod 3 is located between two vertical risers 2, the cylinder 13 has two and is respectively located on one side of the vertical riser, the top of the support rod 3 is fixedly connected with a horizontal cylinder 4, and the vertical riser 2 The sides close to each other are provided with ring-shaped turning grooves, and the rotating rings 5 are connected in rotation in the ring-shaped turning grooves. The inner wall of the inner wall is fixedly connected with several first inclined-plane columns 6, and the side of the first inclined-plane columns 6 close to each other is connected with the second inclined-plane columns 7, and the horizontal cylinder 4 is provided with several square through holes, and the second inclined-plane columns 7 are connected to each other. The close end extends to the inside of the horizontal cylinder 4 through the square through hole, and the close ends of the second inclined-plane columns 7 are fixedly connected with an arc-shaped clamping plate 8, and the inner walls of the openings at both ends of the square through hole are fixedly connected with limited spacers. Block 9, the outer side of the cylinder of the second inclined-plane column 7 is fixedly connected with a limit plate 10, the limit plate 10 is located between the limit blocks 9, and a return spring 11 is fixedly connected between the limit block 9 and the limit plate 10, The top of the support table 1 is provided with a horizontal chute, and a slider 15 is slidably connected in the horizontal chute, the top of the slider 15 is connected with a horizontal gear plate 14, and the bottom of the rotating ring 5 is fixedly connected with an arc-shaped gear plate 12, and the horizontal gear One side of the plate 14 is fixedly connected with the output shaft of the cylinder 13, and the side of the horizontal gear plate 14 and the arc gear plate 12 close to each other are provided with tooth grooves and meshed with each other, and the horizontal chute is located vertically below the rotating ring 5 , the top of the slider 15 extends to the top of the support table 1 and is fixedly connected with the bottom of the horizontal gear plate 14, the vertical vertical plate 2 is provided with a circular through hole in the horizontal direction, and the circular through hole is connected with the horizontal cylinder 4 Generally speaking, the sides where the first inclined-plane column 6 and the second inclined-plane column 7 are in contact with each other are inclined-plane structures, and are connected by sliding contact.

The working principle of the utility model is:

Insert the main shaft between the arc-shaped clamping plates 8, drive the horizontal gear plate 14 through the cylinder 13, and the horizontal gear plate 14 drives the arc-shaped gear plate 12 to rotate through the gear groove, and the rotating ring 5 rotates in the annular chute accordingly, and the rotating ring 5. While rotating, the inclined surfaces of the first inclined column 6 and the second inclined column 7 interact with each other, the first inclined column 6 pushes the second inclined column 7 to the side close to each other, and the second inclined column 7 approaches each other The arc-shaped clamping plate 8 provided at one end of the main shaft is clamped, the force is uniform, the fixed support effect is good, and the setting of the limit block 9 is to limit the movement range of the second inclined-plane column 7, and at the same time make the second inclined-plane The arc-shaped clamping plate 8 at one end of the column 7 fits more closely with the main shaft. The utility model makes the main shaft receive more uniform force in the process of fixing, and the fixed support effect is better, which meets the needs of people in production and life.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. numerically control grinder main shaft support device, including supporting table (1), which is characterized in that the top of the supporting table (1) is fixed Vertical riser (2), supporting rod (3) and cylinder (13) are provided with, there are two vertical risers (2) and is oppositely arranged in parallel, supporting rod (3) between two vertical risers (2), there are two cylinders (13) and is located at the side of vertical riser, the supporting rod respectively (3) horizontal cylinder (4) is fixedly connected at the top of, the vertical riser (2) side close to each other offers annular turn trough, Swivel becket (5) is rotatably connected in annular turn trough, side of the swivel becket (5) far from annular turn trough is respectively sleeved at level Outside the both ends of cylinder (4), the inner wall of the swivel becket (5) is fixedly connected with several the first inclined-plane columns (6), and described first tiltedly Face column (6) side close to each other, which connects, the second inclined-plane column (7), and it is rectangular that the horizontal cylinder (4) offers several Through-hole, the second inclined-plane column (7) one end close to each other extends to the inside of horizontal cylinder (4) across square through hole, and second is oblique Face column (7) one end close to each other is fixedly connected with arc snap-gauge (8), and inner wall is fixed at the both ends open of the square through hole Limited block (9) is connected with, limiting plate (10), limiting plate (10) position are fixedly connected on the outside of the cylinder of second inclined-plane column (7) Between limited block (9), and resetting spring (11), the supporting table are fixedly connected between limited block (9) and limiting plate (10) (1) horizontal concrete chute is offered at the top of, sliding block (15) is slidably connected in horizontal concrete chute, sliding block is connected with level at the top of (15) Gear plate (14), the bottom of the swivel becket (5) are fixedly connected with arc-shaped gear wheel plate (12), and the one of the horizontal teeth wheel plate (14) Side is fixedly connected with the output shaft of cylinder (13).

2. numerically control grinder according to claim 1 main shaft support device, which is characterized in that the horizontal teeth wheel plate (14) Side close to each other offers tooth socket and is intermeshed connection with arc-shaped gear wheel plate (12).

3. numerically control grinder according to claim 1 main shaft support device, which is characterized in that the horizontal concrete chute, which is located at, to be turned The vertical lower section of rotating ring (5), extend at the top of sliding block (15) supporting table (1) top and with the bottom of horizontal teeth wheel plate (14) It is fixedly connected.

4. numerically control grinder according to claim 1 main shaft support device, which is characterized in that the vertical riser (2) is opened Circular through hole equipped with horizontal direction, and circular through hole is connected with horizontal cylinder (4).

5. numerically control grinder according to claim 1 main shaft support device, which is characterized in that first inclined-plane column (6) The side to contact with each other with the second inclined-plane column (7) is ramp structure, and sliding contact connects.

6. numerically control grinder according to claim 1 main shaft support device, which is characterized in that first inclined-plane column (6) The annular equidistant inner wall for being arranged on swivel becket (5).