CN210397472U

CN210397472U - Ball bearing with heat radiation structure for high-speed machine tool

Info

Publication number: CN210397472U
Application number: CN201921160159.4U
Authority: CN
Inventors: 严丰泽
Original assignee: Ningbo Chuanyuan Precision Machinery Co Ltd
Current assignee: Ningbo Chuanyuan Precision Machinery Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-24
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a ball bearing with a heat dissipation structure for a high-speed machine tool, which comprises an outer box, a connecting plate and a dust guard, wherein the two sides of the bottom of the outer box are respectively and fixedly provided with the connecting plate, one side of the outer box is provided with a box cover, the box cover is connected with the side wall of the outer box through a hinge, and the side wall of the other side of the outer box is provided with an assembly port; one side of equipment mouth is equipped with ball bearing, ball bearing is fixed to be set up on the inner wall of outer container, rotate the dust guard to ball bearing's direction, make the inserted bar insert the inside of jack, the triangle piece of inserted bar one side promotes the fixture block and removes to the inside of circular slot, the baffle exerts pressure to the spring, the spring produces the compression, when triangle piece slided one side of fixture block, the spring applys elasticity to the baffle, make the fixture block remove to the circular slot outside, block three triangle pieces, the position of fixed inserted bar, make the dust guard cover ball bearing's one end, when avoiding ventilation cooling, the dust gets into ball bearing's inside, cause ball bearing's damage.

Description

Ball bearing with heat radiation structure for high-speed machine tool

Technical Field

The utility model relates to a ball bearing equipment field specifically is a ball bearing that high-speed lathe was with having heat radiation structure.

Background

The ball bearing is one kind of rolling bearing, and has spherical alloy steel balls installed between the inner steel ring and the outer steel ring to reduce friction force and raise the mechanical power transmission efficiency. Rolling bearing can produce a large amount of heats because of friction in the operation process, if can not in time distribute away the heat that the bearing produced, the temperature of bearing lasts to rise, finally leads to the inefficacy of emollient and the damage of bearing to cause whole equipment can not normally work or take place serious accident.

Chinese patent publication No. CN109386551A discloses a bearing assembly with improved heat dissipation performance, which structurally includes: the bearing assembly body, the bearing assembly body includes fin, heat dissipation fan, first ball bearing, cooling tube, axle center, thermantidote, second ball bearing and buckle, first ball bearing and the inside axle center that sets up of second ball bearing, first ball bearing and second ball bearing pass through the buckle and connect, the thermantidote threaded connection that axle center and top set up, the air-cooler is connected to the thermantidote bottom, the air-cooler is GDF1.4-8 type air-cooler, the axle center bottom sets up the tail end connector, the cooling tube threaded connection that tail end connector and bottom set up, the cooling tube top sets up the heat dissipation fan, the cooling fan top sets up the fin. This bearing assembly that heat dispersion improves, the fin and the heat dissipation fan that set up can dispel the heat to a large amount of heats that the high-speed work of bearing assembly produced, and the accessible air-cooler is effectively cooled down inside the bearing assembly. This patent and the utility model discloses compare, during the dust that exists in can making the air gets into ball bearing, lead to ball bearing's damage and the poor problem of radiating effect.

Although there is the air discharge fan that carries out the heat dissipation processing to the bearing frame at present, but only can blow the heat dissipation to ball bearing on a large scale, can lead to volatilizing of lubricating oil, and can make the dust in the air get into ball bearing, lead to ball bearing's damage, heat abstractor leads to the air current circulation easily now simultaneously for just carry out the air of heat exchange with ball bearing, contact ball bearing once more, lead to the radiating effect poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-speed lathe is with ball bearing that has heat radiation structure, though solve at present and carry out the air discharge fan that the heat dissipation was handled to the bearing housing, but only can blow the heat dissipation on a large scale to ball bearing, can lead to volatilizing of lubricated fluid, and can make during the dust in the air gets into ball bearing, lead to ball bearing's damage, heat abstractor leads to the air current circulation easily simultaneously, make just carry out the air of heat exchange with ball bearing, contact ball bearing once more, lead to the poor problem of radiating effect.

The purpose of the utility model can be realized by the following technical scheme:

a ball bearing with a heat dissipation structure for a high-speed machine tool comprises an outer box, connecting plates and a dust guard, wherein the two sides of the bottom of the outer box are respectively and fixedly provided with the connecting plates; one side of equipment mouth is equipped with ball bearing, ball bearing is fixed to be set up on the inner wall of outer container, the welding has the base on the bottom surface of the outer container of ball bearing one side, the top of base is equipped with the dust guard, the jack has been seted up to the lateral wall of dust guard and the adjacent one side of ball bearing, the circular slot has been seted up to the inside of jack one side dust guard, the inside of circular slot is equipped with the baffle, the welding of one side of baffle has the fixture block, be equipped with the spring between the opposite side of baffle and the inner wall of circular slot, the inside of jack is equipped with the inserted bar, the fixed setting of one end of inserted bar is on ball bearing's lateral wall, one side of ball bearing is equipped with the baffle, be equipped with the air outlet on the lateral wall.

As a further aspect of the present invention: the bottom and the base of dust guard pass through hinge connection, and the dust guard is circular structure, and the dust guard corresponds with ball bearing's terminal surface, and the welding has the pull rod on the dust guard, can stimulate the dust guard through the pull rod for the dust guard is opened, is convenient for to ball bearing additional lubricating oil.

As a further aspect of the present invention: the welding has the triangle-shaped piece on the lateral wall of inserted bar one side, the fixture block also is the triangle-shaped structure, the fixture block sets up the one side at the fixture block, before the use, rotate the dust guard to ball bearing's direction, make the inserted bar insert the inside of jack, the triangle-shaped piece of inserted bar one side promotes the fixture block and removes to the inside of circular slot, the baffle exerts pressure to the spring, the spring produces the compression, when the triangle-shaped piece slides one side of fixture block, the spring applys elasticity to the baffle, make the fixture block remove to the circular slot outside, block the triangle-shaped piece, the position of fixed inserted bar, make the dust guard cover ball bearing's one end, when avoiding ventilation cooling, the dust gets into ball bearing's inside, cause ball bearing.

As a further aspect of the present invention: the one end of baffle and ball bearing's lateral wall fixed connection, the other end of baffle and the inner wall fixed connection of outer container for outside air encircles the ball bearing motion after getting into the outer container from the air intake, discharges from the air outlet again, makes outside air fully and ball bearing's lateral wall contact, carries out the radiating treatment to ball bearing, improves the radiating efficiency.

As a further aspect of the present invention: the bottom of ventilating fan is equipped with the air intake, and the air intake setting is on the bottom lateral wall of outer container, and the air intake setting is between two connecting plates, has all seted up two spacing holes on two connecting plates, and the device of being convenient for is fixed for inside the outside air can only follow the bottom air intake department entering outer container of outer container, avoids getting into the outer container once more from air outlet exhaust hot air, improves the radiating effect.

The utility model has the advantages that:

1. the utility model discloses in, rotate the dust guard to ball bearing's direction for the inserted bar inserts the inside of jack, the triangle piece of inserted bar one side promotes the fixture block and moves to the inside of circular slot, the baffle exerts pressure to the spring, the spring produces the compression, when the triangle piece slides to one side of fixture block, the spring exerts elasticity to the baffle, make the fixture block move to the circular slot outside, block the triangle piece, the position of fixed inserted bar, make the dust guard cover ball bearing's one end, when avoiding ventilation and heat dissipation, the dust gets into ball bearing's inside, cause ball bearing's damage;

2. the utility model discloses in, work of control ventilating fan, outside air gets into inside the outer container from the bottom air intake department of outer container, because the setting of baffle for outside air is followed the air intake and is got into behind the outer container, encircles the ball bearing motion, discharges from the air outlet again, makes outside air fully and ball bearing's lateral wall contact, carries out the heat dissipation to ball bearing and handles, improves the radiating efficiency, avoids getting into inside the outer container once more from air outlet exhaust hot air, improves the radiating effect.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a ball bearing with a heat dissipation structure for a high-speed machine tool according to the present invention;

FIG. 2 is a schematic structural view of the middle partition plate of the present invention;

FIG. 3 is a schematic view of the internal structure of the middle and outer cases of the present invention;

FIG. 4 is a partial enlarged view A of the present invention;

in the figure: 1. an air inlet; 2. an air outlet; 3. a box cover; 4. an outer box; 5. an assembly port; 6. a connecting plate; 7. a limiting hole; 8. a dust-proof plate; 9. a ball bearing; 10. a partition plate; 11. ventilating fans; 12. a base; 13. Inserting a rod; 14. a clamping block; 15. a circular groove; 16. a baffle plate; 17. and (4) inserting the jack.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a ball bearing with a heat dissipation structure for a high-speed machine tool comprises an outer box 4, a connecting plate 6 and a dust guard 8, wherein the connecting plate 6 is fixedly arranged on each of two sides of the bottom of the outer box 4, a box cover 3 is arranged on one side of the outer box 4, the box cover 3 is connected with the side wall of the outer box 4 through a hinge, and an assembling opening 5 is arranged on the side wall of the other side of the outer box 4; one side of the assembly opening 5 is provided with a ball bearing 9, the ball bearing 9 is fixedly arranged on the inner wall of the outer box 4, the bottom surface of the outer box 4 on one side of the ball bearing 9 is welded with a base 12, the top of the base 12 is provided with a dustproof plate 8, the side wall of one side of the dustproof plate 8 adjacent to the ball bearing 9 is provided with a jack 17, the inside of the dustproof plate 8 on one side of the jack 17 is provided with a circular groove 15, the inside of the circular groove 15 is provided with a baffle 16, one side of the baffle 16 is welded with a fixture block 14, a spring is arranged between the other side of the baffle 16 and the inner wall of the circular groove 15, the inside of the jack 17 is provided with an inserted rod 13, one end of the inserted rod 13 is fixedly arranged on the side wall of the ball bearing 9, one side of the ball bearing 9 is provided with a baffle plate 10, the side wall of the outer box 4 above the, the dust guard 8 is rotated towards the ball bearing 9, so that the inserting rod 13 is inserted into the inserting hole 17, the triangular block on one side of the inserting rod 13 pushes the clamping block 14 to move towards the inside of the circular groove 15, the baffle 16 applies pressure to the spring, the spring compresses, when the triangular block slides to one side of the clamping block 14, the spring applies elasticity to the baffle 16, so that the clamping block 14 moves towards the outer side of the circular groove 15, the triangular block is clamped, the position of the inserting rod 13 is fixed, so that the dust guard 8 covers one end of the ball bearing 9, dust is prevented from entering the inside of the ball bearing 9 when ventilation and heat dissipation are avoided, the ball bearing 9 is damaged, the ventilation fan 11 is controlled to work, outside air enters the inside of the outer box 4 from the air inlet 1 at the bottom of the outer box 4, due to the arrangement of the baffle 10, after the outside air enters the outer box 4 from the air inlet 1, the outside air moves around the ball, make the outside air fully with ball bearing 9's lateral wall contact, carry out the heat dissipation to ball bearing 9 and handle, improve the radiating efficiency, avoid getting into outer container 4 inside again from air outlet 2 exhaust hot-air, improve the radiating effect.

Hinge connection is passed through with base 12 in the bottom of dust guard 8, and dust guard 8 is circular structure, and dust guard 8 corresponds with ball bearing 9's terminal surface, and the welding has the pull rod on the dust guard 8, can pass through pull rod pulling dust guard 8 for dust guard 8 is opened, is convenient for to ball bearing 9 additional lubricating oil.

The welding has the triangle-shaped piece on the lateral wall of inserted bar 13 one side, fixture block 14 also is the triangle-shaped structure, fixture block 14 sets up the one side at fixture block 14, before the use, rotate dust guard 8 to ball bearing 9's direction, make inserted bar 13 insert the inside of jack 17, the triangle-shaped piece of inserted bar 13 one side promotes fixture block 14 and removes to the inside of circular slot 15, baffle 16 exerts pressure to the spring, the spring produces the compression, when the triangle-shaped piece slides one side of fixture block 14, the spring applys elasticity to baffle 16, make fixture block 14 remove to the circular slot 15 outside, block the triangle-shaped piece, the position of fixed inserted bar 13, make dust guard 8 cover the one end of ball bearing 9, when avoiding ventilation cooling, the dust gets into the inside of ball bearing 9, cause ball bearing 9's damage.

One end of the partition board 10 is fixedly connected with the outer side wall of the ball bearing 9, the other end of the partition board 10 is fixedly connected with the inner wall of the outer box 4, so that the outside air enters the outer box 4 from the air inlet 1, moves around the ball bearing 9 and is discharged from the air outlet 2, the outside air is fully contacted with the outer side wall of the ball bearing 9, the ball bearing 9 is subjected to heat dissipation treatment, and the heat dissipation efficiency is improved.

The bottom of ventilating fan 11 is equipped with air intake 1, and air intake 1 sets up on the bottom lateral wall of outer container 4, and air intake 1 sets up between two connecting plates 6, has all seted up two spacing holes 7 on two connecting plates 6, and the device of being convenient for is fixed for inside external air can only get into outer container 4 from 1 department of bottom air intake of outer container 4, avoids getting into outer container 4 once more from 2 exhaust hot-air in air outlet inside, improves the radiating effect.

The utility model discloses a theory of operation: in the utility model, the dust guard 8 is rotated towards the ball bearing 9, so that the inserted bar 13 is inserted into the insertion hole 17, the triangular block at one side of the inserted bar 13 pushes the fixture block 14 to move towards the inside of the circular groove 15, the baffle 16 applies pressure to the spring, the spring is compressed, when the triangular block slides to one side of the blocking block 14, the spring applies elasticity to the baffle 16, so that the blocking block 14 moves towards the outer side of the circular groove 15, the triangular block is blocked, the position of the inserted rod 13 is fixed, so that the dust guard 8 covers one end of the ball bearing 9 to control the operation of the ventilating fan 11, the outside air enters the outer box 4 from the air inlet 1 at the bottom of the outer box 4, due to the arrangement of the partition board 10, after entering the outer box 4 from the air inlet 1, the outside air moves around the ball bearing 9 and then is discharged from the air outlet 2, so that the external air is fully contacted with the outer side wall of the ball bearing 9 to carry out heat radiation treatment on the ball bearing 9.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The ball bearing with the heat dissipation structure for the high-speed machine tool is characterized by comprising an outer box (4), connecting plates (6) and a dust guard (8), wherein the connecting plates (6) are fixedly arranged on two sides of the bottom of the outer box (4) respectively, a box cover (3) is arranged on one side of the outer box (4), the box cover (3) is connected with the side wall of the outer box (4) through a hinge, and an assembly opening (5) is formed in the side wall of the other side of the outer box (4);

one side of the assembly opening (5) is provided with a ball bearing (9), the ball bearing (9) is fixedly arranged on the inner wall of the outer box (4), the bottom surface of the outer box (4) on one side of the ball bearing (9) is welded with a base (12), the top of the base (12) is provided with a dust guard (8), the side wall of one side, adjacent to the ball bearing (9), of the dust guard (8) is provided with a jack (17), the inside of the dust guard (8) on one side of the jack (17) is provided with a circular groove (15), the inside of the circular groove (15) is provided with a baffle (16), one side of the baffle (16) is welded with a fixture block (14), a spring is arranged between the other side of the baffle (16) and the inner wall of the circular groove (15), the inside of the jack (17) is provided with an insert rod (13), one end of the insert rod (13) is fixedly arranged on the side wall of the ball bearing, an air outlet (2) is arranged on the side wall of the outer box (4) above the partition board (10), an air ventilating fan (11) is arranged at the bottom of the partition board (10), and an air inlet (1) is arranged at the bottom of the air ventilating fan (11).

2. The ball bearing with the heat dissipation structure for the high-speed machine tool is characterized in that the bottom end of the dust-proof plate (8) is connected with the base (12) through a hinge, the dust-proof plate (8) is of a circular structure, the dust-proof plate (8) corresponds to the end face of the ball bearing (9), and a pull rod is welded on the dust-proof plate (8).

3. The ball bearing with the heat dissipation structure for the high-speed machine tool according to claim 1, wherein a triangular block is welded on the side wall of one side of the insert rod (13), the fixture block (14) is also in a triangular structure, and the fixture block (14) is arranged on one side of the fixture block (14).

4. The ball bearing with the heat dissipation structure for the high-speed machine tool according to claim 1, wherein one end of the partition plate (10) is fixedly connected with the outer side wall of the ball bearing (9), and the other end of the partition plate (10) is fixedly connected with the inner wall of the outer box (4).

5. The ball bearing with the heat dissipation structure for the high-speed machine tool is characterized in that an air inlet (1) is formed in the bottom of the ventilating fan (11), the air inlet (1) is formed in the side wall of the bottom of the outer box (4), the air inlet (1) is formed between two connecting plates (6), and two limiting holes (7) are formed in the two connecting plates (6).