Hydraulic locking mechanism for spindle of high-speed rotating machine tool

Abstract

The hydraulic locking mechanism of the high-speed rotating machine tool spindle comprises an assembling shell, a machine tool spindle body is arranged on the surface of the assembling shell in a penetrating mode, hydraulic cylinders are fixedly connected to the top and the bottom of the assembling shell, and the piston ends of the hydraulic cylinders penetrate through the assembling shell and are fixedly connected with assembling arc-shaped plates. And the corresponding sides of the two assembling arc-shaped plates are fixedly connected with assembling anti-skid pads. According to the utility model, the movable motor drives the movable cam to rotate, so that the movable cam provides a driving force for the movable radian block, and the movable radian block also drives the movable anti-skid block on the movable push rod to be in contact with the machine tool spindle body to prevent skid and decelerate; and the hydraulic cylinder pushes the assembling anti-skid pad on the assembling arc-shaped plate to be in contact with the machine tool spindle body to achieve anti-skid speed reduction, so that the locking work is completed, and the using effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lathe spindle machining technical field especially relates to high -speed rotation lathe spindle's hydraulic locking mechanism. BACKGROUND

[0002] High -speed electric spindle is the new technology that the lathe spindle and spindle motor are fused into one in the field of numerical control machine tool in recent years. High -speed numerical control machine tool main drive system cancels the pulley transmission and gear transmission, and the lathe spindle is directly driven by the built -in motor, thereby shortening the length of the machine tool main transmission chain to zero, realizing the 'zero transmission' of machine tool, and this transmission structure form that the spindle motor and the lathe spindle 'combine two into one' makes the spindle component relatively independent from the transmission system and overall structure of machine tool, and in machine tool machining, the spindle locking technology is one of important links, and most of the traditional locking devices lock the spindle using the brake motor, and the transmission between the general motor and the spindle adopts the belt transmission, so that the spindle cannot be locked quickly during the working process, the working efficiency is influenced, the machining requirements are difficult to guarantee, and the use effect is reduced. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a high -speed rotation lathe spindle's hydraulic locking mechanism that solves the technical problems in the prior art.

[0004] In order to realize the above -mentioned purpose, the utility model discloses the following technical scheme: high -speed rotation lathe spindle's hydraulic locking mechanism, including assembly shell, the lathe spindle body is passed through and is arranged on the surface of assembly shell, the hydraulic cylinder is fixedly connected with the top and bottom of assembly shell, the hydraulic cylinder piston end is passed through assembly shell and is fixedly connected with the assembly arc -shaped plate, two the one side of corresponding fixedly connected with assembly antiskid pad of assembly arc -shaped plate, the front and back sides of assembly shell are connected with adjusting assembly, the front and back sides of assembly shell are connected with movable assembly.

[0005] Further description of the above technical scheme:

[0006] Adjusting assembly includes the adjusting support that is fixedly connected with the surface of assembly shell, and adjusting support outer lateral wall both sides are passed through and are arranged adjusting support plate, and the both ends of adjusting support plate are fixedly connected with adjusting arc -shaped plate and adjusting back -shaped plate respectively.

[0007] Further description of the above technical scheme:

[0008] Two the one side of corresponding fixedly connected with adjusting antiskid pad of adjusting arc -shaped plate, and the both sides of adjusting support outer lateral wall are fixedly connected with drive support plate, and the surface of drive support plate is fixedly connected with drive motor, and the output of drive motor is fixedly connected with drive rod.

[0009] As a further description of the above technical solutions:

[0010] The end of the driving rod penetrates the driving support plate and is fixedly connected with a driving disc, the back of the driving disc is rotationally connected with a driving shaft, and the driving shaft is slidingly connected with the corresponding adjusting backplate.

[0011] As a further description of the above technical solutions:

[0012] The movable assembly comprises a movable support fixedly connected with the surface of the assembly shell, and movable push rods are arranged through the top and bottom of the movable support, and movable anti-skid blocks and movable cam blocks are fixedly connected with the two ends of the movable push rods, respectively.

[0013] As a further description of the above technical solutions:

[0014] The outer side wall of the movable push rod movably sleeves a movable spring, and the two ends of the movable spring are fixedly connected with the side wall of the movable cam block and the side wall of the movable support, respectively.

[0015] As a further description of the above technical solutions:

[0016] The back of the movable support is fixedly connected with two movable motors, and the output shafts of the movable motors penetrate the movable support and are fixedly connected with movable cams.

[0017] The utility model has the advantages of the following beneficial effects:

[0018] The adjusting assembly can cooperate with the adjusting support, the adjusting push plate, the adjusting cam plate, the adjusting backplate, the driving support plate, the driving motor, the driving rod, the driving disc and the driving shaft, so that the driving motor drives the driving disc and the driving shaft to slide in the adjusting backplate, the adjusting push plate on the adjusting backplate is pushed to move along the direction of the adjusting support, the adjusting cam plate is also driven to move, the adjusting anti-skid pad on the adjusting cam plate contacts the main shaft body to prevent skidding and reduce speed, the movable assembly can cooperate with the movable support, the movable push rod, the movable anti-skid block, the movable cam block, the movable spring, the movable motor and the movable cam, so that the movable motor drives the movable cam to rotate, the movable cam provides a pushing force to the movable cam block, the movable cam block also drives the movable anti-skid block on the movable push rod to contact the main shaft body to prevent skidding and reduce speed, the assembly anti-skid pad on the assembly cam plate is pushed by the hydraulic cylinder to contact the main shaft body to prevent skidding and reduce speed, and the locking work is completed, thereby improving the use effect. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a whole structure schematic view of the hydraulic locking mechanism of the high-speed rotating machine tool main shaft.

[0020] Figure 2 The assembly shell of the hydraulic locking mechanism of the high-speed rotating machine tool spindle is provided with an assembly arc-shaped plate 4, an assembly anti-skid pad 5, an adjusting support 6, an adjusting support push plate 7, an adjusting arc-shaped plate 8, an adjusting meander-shaped plate 9, a driving support plate 10, a driving motor 11, a driving rod 12, a driving disc 13, a driving rotating shaft 14, a movable support 15, a movable push rod 16, a movable anti-skid block 17, a movable arc block 18, a movable spring 19, a movable motor 20 and a movable cam 21.

[0021] Figure 3 For Figure 1 The structure schematic view of the enlarged A in the middle;

[0022] Figure 4 For Figure 1 The structure schematic view of the enlarged B in the middle.

[0023] Legend:

[0024] 1, assembly shell; 2, machine tool spindle body; 3, hydraulic cylinder; 4, assembly arc-shaped plate; 5, assembly anti-skid pad; 6, adjusting support; 7, adjusting support push plate; 8, adjusting arc-shaped plate; 9, adjusting meander-shaped plate; 10, driving support plate; 11, driving motor; 12, driving rod; 13, driving disc; 14, driving rotating shaft; 15, movable support; 16, movable push rod; 17, movable anti-skid block; 18, movable arc block; 19, movable spring; 20, movable motor; 21, movable cam. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0026] Reference Figures 1-4The utility model provides a high -speed rotating machine tool main shaft's hydraulic pressure locking mechanism, including assembly shell 1, the surface of assembly shell 1 is provided with machine tool main shaft body 2, and the top and bottom of assembly shell 1 are fixedly connected with hydraulic cylinder 3, and the piston end of hydraulic cylinder 3 is fixedly connected with assembly arc plate 4 and is fixedly connected with assembly anti -skid pad 5 on the side of two assembly arc plate 4 corresponding, and the front and back sides of assembly shell 1 are connected with adjusting assembly, and the adjusting effect of locking is played through adjusting assembly, and adjusting assembly includes the adjusting support 6 of fixed connection with the surface of assembly shell 1, and the both sides of adjusting support 6 outside wall are provided with adjusting branch push plate 7, and the both ends of adjusting branch push plate 7 are fixedly connected with adjusting arc plate 8 and adjusting back plate 9, and the side of two adjusting arc plate 8 corresponding is fixedly connected with adjusting anti -skid pad, and the both sides of adjusting support 6 outside wall are fixedly connected with drive branch 10, and drive branch 10 surface is fixedly connected with drive motor 11, and drive motor 11 output end is fixedly connected with drive rod 12, and drive rod 12 end is fixedly connected with driving disc 13 and is fixedly connected with drive shaft 14, and drive shaft 14 and its corresponding adjusting back plate 9 inside slide connection, and the rotating effect of drive rod 12 is played through drive motor 11.

[0027] The front and back sides of assembly shell 1 are connected with movable assembly, and movable assembly includes movable support 15 of fixed connection with the surface of assembly shell 1, and the top and bottom of movable support 15 are provided with movable push rod 16, and the both ends of movable push rod 16 are fixedly connected with movable anti -skid block 17 and movable camber block 18, and movable spring 19 is movably sleeved on the outside wall of movable push rod 16, and the both ends of movable spring 19 are fixedly connected with the side wall of movable camber block 18 and the side wall of movable support 15, and two movable motors 20 are fixedly connected on the back of movable support 15, and the output shaft of movable motor 20 is fixedly connected with movable cam 21 and is fixedly connected with movable cam 21 through movable motor 20, and the rotating effect of movable cam 21 is played through movable motor 20.

[0028] Working principle: when using, first start drive motor 11, drive rod 12 and driving disc 13 are rotated through drive motor 11, then driving disc 13 also drives drive shaft 14 to slide in adjusting back plate 9, so that adjusting back plate 9 is pushed to move, then adjusting back plate 9 also drives adjusting branch push plate 7 to move along the direction on adjusting support 6, adjusting branch push plate 7 also drives adjusting arc plate 8 to move, so that the adjusting anti -skid pad on adjusting arc plate 8 contacts machine tool main shaft body 2 and prevents skid and reduces speed, guaranteeing locking effect.

[0029] With the starting of the activity motor 20, through the activity motor 20 drive activity cam 21 rotation, so that the activity cam 21 give activity arc block 18 a push, so that the activity arc block 18 also drive activity push rod 16 and activity spring 19 along the direction of activity support 15 movement, so that the activity push rod 16 also drive activity anti-skid block 17 and machine tool spindle body 2 contact anti-skid deceleration, guarantee further locking effect.

[0030] Finally start hydraulic cylinder 3, through the hydraulic cylinder 3 push assembly arc plate 4 movement, so that the assembly arc plate 4 on the assembly anti-skid pad 5 and machine tool spindle body 2 contact anti-skid deceleration, guarantee hydraulic locking effect.

[0031] Finally should be explained is: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing embodiments of the present application have been described in detail, for the person skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. Hydraulic locking mechanism for high speed rotating machine tool spindle comprising an assembly housing (1), characterized in that: The assembly shell (1) surface is provided with machine tool spindle body (2), the assembly shell (1) top and bottom are fixedly connected with hydraulic cylinder (3), the hydraulic cylinder (3) piston end penetrates assembly shell (1) and is fixedly connected with assembly arc plate (4), two assembly arc plate (4) corresponding side are fixedly connected with assembly non-slip pad (5), the assembly shell (1) front and back sides are connected with adjusting assembly, the assembly shell (1) front and back sides are connected with movable assembly.

2. The hydraulic locking mechanism for high speed rotating machine tool spindle according to claim 1, characterized in that: The adjusting assembly includes an adjusting bracket (6) fixedly connected to the surface of the assembly shell (1), adjusting push plates (7) are provided on both sides of the outer side wall of the adjusting bracket (6), and adjusting arc plates (8) and adjusting back plates (9) are fixedly connected to both ends of the adjusting push plates (7), respectively.

3. The hydraulic locking mechanism of a high-speed rotating machine tool spindle according to claim 2, characterized in that: Two adjusting arc plates (8) are fixedly connected to the corresponding side, and drive plates (10) are fixedly connected to both sides of the outer side wall of the adjusting bracket (6). A drive motor (11) is fixedly connected to the surface of the drive plate (10), and a drive rod (12) is fixedly connected to the output end of the drive motor (11).

4. The hydraulic locking mechanism of a high-speed rotating machine tool spindle according to claim 3, characterized in that: The drive rod (12) penetrates the drive plate (10) and is fixedly connected with a drive disc (13), the back of the drive disc (13) is rotatably connected with a drive shaft (14), and the drive shaft (14) is slidably connected with the corresponding adjusting back plate (9) inside.

5. The hydraulic locking mechanism for high speed rotary machine spindle as claimed in claim 1 wherein: The movable assembly includes a movable bracket (15) fixedly connected to the surface of the assembly shell (1), and movable push rods (16) are provided on the top and bottom of the movable bracket (15). Movable non-slip blocks (17) and movable arc blocks (18) are fixedly connected to both ends of the movable push rods (16), respectively.

6. The hydraulic locking mechanism of a high-speed rotating machine tool spindle according to claim 5, characterized in that: The outer side wall of the movable push rod (16) movably sleeves a movable spring (19), and the movable spring (19) is fixedly connected to the side wall of the movable arc block (18) and the side wall of the movable bracket (15), respectively.

7. The hydraulic locking mechanism of a high-speed rotating machine tool spindle according to claim 6, characterized in that: Two movable motors (20) are fixedly connected to the back of the movable bracket (15), and movable cams (21) are fixedly connected to the output shafts of the movable motors (20) and penetrate the movable bracket (15).

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