CN215967728U

CN215967728U - Online dynamic balance head of high-speed main shaft

Info

Publication number: CN215967728U
Application number: CN202122474504.5U
Authority: CN
Inventors: 邓冠华; 陈炯
Original assignee: Linga Intelligent Technology Shanghai Co ltd
Current assignee: Linga Intelligent Technology Shanghai Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-08
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses an online dynamic balance head of a high-speed main shaft, which comprises a fixed chassis, wherein the outer surface of the fixed chassis is in threaded connection with a plurality of liquid discharge screws, the front end of the fixed chassis is provided with a leakage-proof mechanism, the front end of the leakage-proof mechanism is provided with a fixed cover, the middle part of the front end of the fixed cover is provided with a through hole, the front end of the fixed cover is fixedly connected with a plurality of liquid inlet adjusting devices, the front end of the fixed cover is in threaded connection with a plurality of fastening screws, the liquid inlet adjusting devices are all positioned among the fastening screws, the cross section area of the fixed cover is the same as that of the fixed chassis, the leakage-proof mechanism is not in contact with the fastening screws, the leakage-proof mechanism comprises a fixed ring, and the inner wall of the fixed ring is fixedly connected with a gasket. The online dynamic balance head for the high-speed spindle has the advantages of good balance effect and good sealing effect, and is suitable for the high-speed spindle.

Description

Online dynamic balance head of high-speed main shaft

Technical Field

The utility model relates to the technical field of dynamic balance, in particular to an online dynamic balance head of a high-speed spindle.

Background

The high-speed spindle is a new technology which integrates a machine tool spindle and a spindle motor into a whole and appears in the field of numerical control machines in recent years. The main transmission system of the high-speed numerical control machine tool cancels belt wheel transmission and gear transmission. The machine tool main shaft is directly driven by a built-in motor, so that the length of a main transmission chain of the machine tool is shortened to zero, a dynamic balance head is often needed to balance on the existing high-speed main shaft, and the existing online dynamic balance head has at least the following defects in the using process: 1. the existing dynamic balance heads are usually in a liquid injection type, and internal liquid is easy to leak along with the increase of the use time, so that the use is influenced; 2. the existing dynamic balance head is easy to return liquid after liquid injection, and the liquid injection difficulty is increased, so that the high-speed main shaft online dynamic balance head is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a high-speed spindle on-line dynamic balance head which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an online dynamic balance head of high-speed main shaft, includes fixed chassis, fixed chassis surface threaded connection has a plurality of flowing back screw, fixed chassis front end is provided with leak protection mechanism, leak protection mechanism front end is provided with fixed lid, open at fixed lid front end middle part has the perforation, fixed lid front end fixedly connected with a plurality of feed liquor adjusting device, fixed lid front end threaded connection has a plurality of fastening screw, a plurality of feed liquor adjusting device all is located between a plurality of fastening screw, fixed lid cross sectional area is the same with fixed chassis cross sectional area, contactless between leak protection mechanism and a plurality of fastening screw.

Preferably, the leakage-proof mechanism comprises a fixing ring, a gasket is fixedly connected to the inner wall of the fixing ring, two waterproof adhesive tapes are fixedly connected to the inner wall of the fixing ring, the gasket is located between the two waterproof adhesive tapes, and the gasket is not in contact with the two waterproof adhesive tapes.

Preferably, the gasket is located between the stationary base plate and the stationary cover.

Preferably, the front end of the fixed chassis is provided with a notch, the inner wall of the notch is fixedly connected with four baffles, the four baffles are fixedly connected with a sleeve, the sleeve penetrates through the fixed chassis and is fixedly connected with the fixed chassis, the front end of the fixed chassis is fixedly connected with a plurality of threaded holes, and the fastening screws penetrate through the fixed cover and are in threaded connection with the fixed chassis.

Preferably, the feed liquor adjusting device includes bolt and hollow post, hollow post inner wall front portion is provided with the thread groove, hollow post surface left part and surface right part fixedly connected with delivery port, hollow post inner wall fixedly connected with spring, the one end fixedly connected with kicking block of hollow post is kept away from to the spring.

Preferably, the hollow column is fixedly connected with the fixing cover in a penetrating mode, and the bolt penetrates through the fixing cover to be in threaded connection with the hollow column.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the leak-proof mechanism is arranged between the fixed chassis and the fixed cover, and the leak-proof mechanism is provided with the waterproof rubber strip and the gasket, so that a gap between the fixed chassis and the fixed cover can be reduced, and liquid is prevented from flowing out of the gap, thereby influencing the balance effect;

2. according to the utility model, the liquid inlet adjusting device is arranged on the fixed cover, liquid is filled into the hollow column by opening the bolt, the top block can be pushed backwards due to pressure, so that the liquid enters the fixed ground disc through the water outlet, and the top block can be pushed to the front part of the hollow column through the spring after filling, so that water flow overflow is avoided, and the use is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an on-line dynamic balance head of a high-speed spindle according to the present invention;

FIG. 2 is a schematic view of the overall structure of a leak-proof mechanism of the on-line dynamic balance head of the high-speed spindle according to the present invention;

FIG. 3 is a schematic view of the overall structure of a fixed chassis of the on-line dynamic balance head of the high-speed spindle according to the present invention;

fig. 4 is a schematic diagram of the overall structure of the liquid inlet adjusting device of the high-speed spindle online dynamic balancing head of the utility model.

In the figure: 1. fixing the chassis; 2. a drain screw; 3. a leakage prevention mechanism; 4. a fixed cover; 5. perforating; 6. fastening screws; 7. a liquid inlet adjusting device; 11. a threaded hole; 12. a baffle plate; 13. a sleeve; 14. a notch; 31. a stationary ring; 32. a waterproof adhesive tape; 33. a gasket; 71. a bolt; 72. a hollow column; 73. a thread groove; 74. a top block; 75. a spring; 76. and (7) a water outlet.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an online dynamic balance head of high-speed main shaft, including

fixed chassis

1, 1 surface threaded connection in fixed chassis has a plurality of flowing

back screw

2, 1 front end in fixed chassis is provided with

leak protection mechanism

3, 3 front ends in leak protection mechanism are provided with fixed lid 4, open at 4 front ends middle parts of fixed lid has

perforation

5, 4 front end fixedly connected with a plurality of feed liquor adjusting device 7 of fixed lid, 4 front end threaded connection in fixed lid has a plurality of fastening screw 6, a plurality of feed liquor adjusting device 7 all is located between a plurality of

fastening screw

6, 4 cross sectional area in fixed lid is the same with 1 cross sectional area in fixed chassis, contactless between leak protection mechanism 3 and a plurality of fastening screw 6.

In this embodiment, the leakage prevention mechanism 3 includes a fixing ring 31, a gasket 33 is fixedly connected to the inner wall of the fixing ring 31, two waterproof adhesive tapes 32 are fixedly connected to the inner wall of the fixing ring 31, the gasket 33 is located between the two waterproof adhesive tapes 32, and the gasket 33 is not in contact with the two waterproof adhesive tapes 32; the gasket 33 is positioned between the fixed chassis 1 and the fixed cover 4; the front end of the fixed chassis 1 is provided with a notch 14, the inner wall of the notch 14 is fixedly connected with four baffles 12, the four baffles 12 are fixedly connected with a sleeve 13, the sleeve 13 penetrates through the fixed chassis 1, the sleeve 13 is fixedly connected with the fixed chassis 1, the front end of the fixed chassis 1 is fixedly connected with a plurality of threaded holes 11, and a plurality of fastening screws 6 penetrate through the fixed cover 4 and are in threaded connection with the fixed chassis 1. The gasket 33 can improve the tightness of connection between the fixed chassis 1 and the fixed cover 4, and the waterproof rubber strip 32 can prevent liquid from overflowing, thereby improving the sealing property.

In this embodiment, the liquid inlet adjusting device 7 includes a bolt 71 and a hollow column 72, a threaded groove 73 is provided in the front portion of the inner wall of the hollow column 72, the left portion and the right portion of the outer surface of the hollow column 72 are fixedly connected with a water outlet 76, the inner wall of the hollow column 72 is fixedly connected with a spring 75, and one end of the spring 75 far away from the hollow column 72 is fixedly connected with a top block 74; hollow post 72 alternates fixed connection with fixed lid 4, and bolt 71 passes fixed lid 4 and hollow post 72 threaded connection, and kicking block 74 is cylindrical mechanism, can improve the stability when sliding, avoids removing and leads to the angular deviation.

It should be noted that, the utility model is a high-speed main shaft on-line dynamic balance head, in the using process, firstly, the gasket 33 on the leakage-proof mechanism 3 is connected with the fixed chassis 1 and the

fixed cover

4, 33 is positioned between the fixed chassis 1 and the fixed cover 4, the fixed chassis 1 and the fixed cover 4 are sleeved with the fixed ring 31, then the fastening screw 6 is threaded with the fixed chassis 1 through the threaded hole 11, on one hand, the stability of the connection between the fixed chassis 1 and the fixed cover 4 can be improved, on the other hand, the liquid can be prevented from flowing out through the gap between the fixed chassis 1 and the fixed cover 4, the balance effect is affected, after the connection is completed, the bolt 71 is rotated anticlockwise to separate the connection with the hollow column 72, the external pipeline is connected with the hollow column 72, and the liquid is filled into the hollow column 72, due to the pressure, the top block 74 in the hollow column 72 can move towards the rear part of the hollow column 72, extrude spring 75, make liquid flow into to notch 14 in through two springs 75, after the injection completion, because spring 75's elasticity, kicking block 74 can receive spring 75's elasticity to move forward, can avoid liquid to flow back through delivery port 76 and influence balanced effect, and the balanced head of flattening is balanced effectual, and is sealed effectual, is fit for the use of high-speed main shaft.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an online dynamic balance head of high-speed main shaft, includes fixed chassis (1), its characterized in that: fixed chassis (1) surface threaded connection has a plurality of flowing back screw (2), fixed chassis (1) front end is provided with leak protection mechanism (3), leak protection mechanism (3) front end is provided with fixed lid (4), open at fixed lid (4) front end middle part has perforation (5), fixed lid (4) front end fixedly connected with a plurality of feed liquor adjusting device (7), fixed lid (4) front end threaded connection has a plurality of fastening screw (6), a plurality of feed liquor adjusting device (7) all are located between a plurality of fastening screw (6), fixed lid (4) cross sectional area is the same with fixed chassis (1) cross sectional area, contactless between leak protection mechanism (3) and a plurality of fastening screw (6).

2. The high-speed spindle on-line dynamic balance head of claim 1, wherein: leak protection mechanism (3) are including retainer plate (31), retainer plate (31) inner wall fixedly connected with gasket (33), two water-proof adhesive tape (32) of retainer plate (31) inner wall fixedly connected with, gasket (33) are located between two water-proof adhesive tape (32), contactless between gasket (33) and two water-proof adhesive tape (32).

3. The high-speed spindle on-line dynamic balance head of claim 2, wherein: the gasket (33) is located between the fixed chassis (1) and the fixed cover (4).

4. The high-speed spindle on-line dynamic balance head of claim 1, wherein: fixed chassis (1) front end is opened there is notch (14), four baffle (12), four of notch (14) inner wall fixedly connected with, four the common fixedly connected with sleeve (13) of baffle (12), sleeve (13) run through fixed chassis (1), and sleeve (13) and fixed chassis (1) fixed connection, fixed chassis (1) front end fixedly connected with a plurality of screw hole (11), a plurality of fastening screw (6) pass fixed lid (4) and fixed chassis (1) threaded connection.

5. The high-speed spindle on-line dynamic balance head of claim 1, wherein: liquid inlet adjusting device (7) are including bolt (71) and hollow post (72), hollow post (72) inner wall front portion is provided with thread groove (73), hollow post (72) surface left part and surface right part fixedly connected with delivery port (76), hollow post (72) inner wall fixedly connected with spring (75), the one end fixedly connected with kicking block (74) of hollow post (72) is kept away from in spring (75).

6. The high-speed spindle on-line dynamic balance head of claim 5, wherein: the hollow column (72) is fixedly connected with the fixing cover (4) in a penetrating mode, and the bolt (71) penetrates through the fixing cover (4) and is in threaded connection with the hollow column (72).