CN219335990U

CN219335990U - Electric spindle cooling system

Info

Publication number: CN219335990U
Application number: CN202223593655.3U
Authority: CN
Inventors: 朱文博
Original assignee: Wuxi Bohua Electromechanical Co ltd
Current assignee: Wuxi Bohua Electromechanical Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-07-14
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to the technical field of electric spindle cooling, and discloses an electric spindle cooling system which comprises a cooling sleeve, wherein a cooling groove is formed in the left side of the cooling sleeve, a spiral cooling copper pipe is arranged in the cooling groove, a sealing round cover is arranged on the left side of the cooling sleeve, a mounting hole is formed in the left side of the sealing round cover, and the sealing round cover is connected with the cooling sleeve through a mounting bolt. This electricity main shaft cooling system, it is fixed with sealed dome and cooling jacket through the mounting bolt, alright fix the inside at the cooling tank with spiral cooling copper pipe, prevent that spiral cooling copper pipe from taking place to remove, when dismantling the change to spiral cooling copper pipe, can rotate out with the mounting bolt, realize sealed dome and cooling jacket separation, alright take out the change with spiral cooling copper pipe, through changing spiral cooling copper pipe, alright avoid the cooling water to use and produce the incrustation scale in spiral cooling copper pipe for a long time, avoid the incrustation scale to influence the cooling effect.

Description

Electric spindle cooling system

Technical Field

The utility model relates to the technical field of electric spindle cooling, in particular to an electric spindle cooling system.

Background

The electric spindle is a new technology for integrating a machine tool spindle and a spindle motor in the field of numerical control machine tools, and the spindle motor and the machine tool spindle are in a transmission structure mode of 'integrating into one' so that spindle components are relatively independent from a transmission system and an integral structure of the machine tool, and the electric spindle has the characteristics of high rotating speed, high precision, low noise and a structure with a locking opening on an inner ring, and is more suitable for spray lubrication; because the electric spindle integrates the motor into the spindle unit, and the rotating speed is very high, a large amount of heat is generated during operation, so that the temperature rise of the electric spindle is caused, the thermal state characteristic and the dynamic characteristic of the electric spindle are poor, the normal operation of the electric spindle is affected, and a cooling device is needed to cool the electric spindle.

In the prior art, as disclosed in chinese patent CN210255396U, a cooling water jacket for an electric spindle is disposed between an outer side wall of a motor assembly and an inner side wall of a housing, and a cooling water channel structure is disposed on the outer side wall of the cooling water jacket, wherein the cooling water channel structure comprises a plurality of parallel water channels disposed in parallel along an axial direction, and except for completely separating two adjacent parallel water channels, the other adjacent parallel water channels are connected end to end in sequence so as to connect each parallel water channel in series to form a complete cooling water channel; the two adjacent parallel water channels are respectively a water inlet channel and a water outlet channel, the end part of the water inlet channel is a water inlet end, the end part of the water outlet channel is a water outlet end, the water inlet end is in sealing butt joint with a main water inlet channel on the shell, and the water outlet end is in sealing butt joint with a main water outlet channel on the shell. Compared with the prior art, the utility model has the following advantages: the electric spindle cooling device has the advantages of long cooling path, large cooling area, high cooling efficiency and the like, and meets the requirement of high-efficiency cooling of the electric spindle.

In the above technical scheme, when cooling the electric spindle through the cooling water jacket, the cooling water flows in the cooling water channel inside the cooling water jacket to realize the cooling effect, but the cooling water channel and the cooling jacket are of an integrated structure, when the cooling water flows in the cooling water channel for a long time, scale can be generated on the inner side wall of the cooling water channel, and the scale is not easy to clean, so that the cooling efficiency of the cooling jacket can be reduced, the cooling effect of the electric spindle is reduced, and therefore, the electric spindle cooling system is required to be provided to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an electric spindle cooling system which has the advantages of disassembling and replacing a spiral cooling copper pipe in a cooling sleeve, avoiding scale generation in the cooling sleeve to influence the cooling effect and the like, and solves the problems that when cooling water flows in the cooling water channel for a long time, scale is generated on the inner side wall of the cooling water channel, the scale is not easy to clean, the cooling efficiency of the cooling sleeve is reduced, and the cooling effect of the electric spindle is reduced.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electricity main shaft cooling system, includes the cooling jacket, the cooling tank has been seted up in the left side of cooling jacket, the inside of cooling tank is equipped with spiral cooling copper pipe, the left side of cooling jacket is equipped with sealed dome, the mounting hole has been seted up in the left side of sealed dome, sealed dome passes through the mounting bolt and is connected with the cooling jacket, the mounting bolt is located the inside of mounting hole, the left side threaded connection of mounting bolt and cooling jacket, the left side of spiral cooling copper pipe is connected with the inlet tube, the right side of spiral cooling copper pipe is connected with the outlet pipe, the inside activity grafting of inlet tube and sealed dome, the outlet pipe is pegged graft with the right side activity of cooling jacket.

Preferably, the right side of the spiral cooling copper pipe is overlapped with the right side wall of the cooling groove, the left side of the spiral cooling copper pipe is overlapped with the right side of the sealing round cover, and the opposite sides of the sealing round cover and the cooling groove are overlapped with each other.

Preferably, the side surface fixedly connected with a plurality of radiating fins of cooling jacket, the side surface fixedly connected with two spacing rings of cooling jacket, radiating fins is located between two spacing rings, radiating fins's left and right sides both ends respectively with two relative one side fixed connection of spacing rings, a plurality of radiating fins are annular evenly distributed on the cooling jacket.

Preferably, the right side of sealed dome is located the inside of left side limit ring, and the circular slot has been seted up on the left side of left side limit ring, the inside wall fixedly connected with seal rubber ring of circular slot, seal the side surface of dome and seal rubber ring's inside wall fixed connection.

Preferably, the cooling sleeve and the sealing circular cover are fixedly connected with sealing ring sleeves on the opposite sides, the water inlet pipe is positioned above the water outlet pipe, and the two sealing ring sleeves are respectively and tightly sleeved with the water inlet pipe and the water outlet pipe.

Compared with the prior art, the utility model provides an electric spindle cooling system, which has the following beneficial effects:

1. this electricity main shaft cooling system, it is fixed with sealed dome and cooling jacket through the mounting bolt, alright fix the inside at the cooling tank with spiral cooling copper pipe, prevent that spiral cooling copper pipe from taking place to remove, when dismantling the change to spiral cooling copper pipe, can rotate out with the mounting bolt, realize sealed dome and cooling jacket separation, alright take out the change with spiral cooling copper pipe, through changing spiral cooling copper pipe, alright avoid the cooling water to use and produce the incrustation scale in spiral cooling copper pipe for a long time, avoid the incrustation scale to influence the cooling effect.

2. This electricity main shaft cooling system is through setting up spacing ring on the cooling jacket to improve the sealed effect to sealed dome and cooling jacket junction through the inside sealing rubber ring of left side spacing ring, and set up a plurality of radiating fins at the side surface of cooling jacket, accelerate the radiating effect to cooling jacket inside, effectively discharge the heat on the electricity main shaft.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic diagram of the complete structure of the present utility model;

FIG. 2 is a cross-sectional view of the front structure of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is a schematic side view of the present utility model.

Wherein: 1. a cooling jacket; 2. a cooling tank; 3. spiral cooling copper pipe; 4. sealing the round cover; 5. installing a bolt; 6. a water inlet pipe; 7. a water outlet pipe; 8. a heat radiation fin; 9. a limit circular ring; 10. a circular groove; 11. a sealing rubber ring; 12. a sealing ring sleeve.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Referring to fig. 1-4, an electric spindle cooling system comprises a cooling sleeve 1, the cooling sleeve 1 is sleeved on the side surface of an electric spindle, a cooling groove 2 is formed in the left side of the cooling sleeve 1, the cooling groove 2 is circular, a spiral cooling copper pipe 3 is arranged in the cooling groove 2, heat of the inner wall of the cooling sleeve 1 can be absorbed and discharged through cooling water in the spiral cooling copper pipe 3, the cooling effect is achieved, a sealing circular cover 4 is arranged in the left side of the cooling sleeve 1, four mounting holes are formed in the left side of the sealing circular cover 4, the sealing circular cover 4 is connected with the cooling sleeve 1 through four mounting bolts 5, the four mounting bolts 5 are respectively located in the four mounting holes, the mounting bolts 5 are in threaded connection with the left side of the cooling sleeve 1, the sealing circular cover 4 and the cooling sleeve 1 can be fixed through the mounting bolts 5, the spiral cooling copper pipe 3 is fixed, when the spiral cooling copper pipe 3 needs to be detached and replaced, the mounting bolts 5 can be rotated out, the sealing circular cover 4 and the cooling copper pipe 1 can be separated, the spiral cooling copper pipe 3 can be taken out, the left side of the cooling copper pipe 3 is connected with the cooling copper pipe 6 through the spiral cooling copper pipe 3, the spiral cooling copper pipe 7 is movably connected with the right side of the water inlet pipe 7, and the water outlet pipe 7 is movably connected with the water outlet pipe 1 through the water inlet pipe 7, and the water outlet pipe is movably connected with the water outlet pipe 7, and the water outlet pipe is connected with the water pipe 1 through the water outlet pipe 7.

Further, the right side of spiral cooling copper pipe 3 overlaps with the right side wall of cooling tank 2, and the left side of spiral cooling copper pipe 3 overlaps with the right side of sealed dome 4, and sealed dome 4 overlaps with the inside of cooling tank 2 with the mutual overlap of the opposite side of cooling tank 2, can fix spiral cooling copper pipe 3 in cooling tank 2 through sealed dome 4, prevents that spiral cooling copper pipe 3 from taking place to remove in cooling tank 2's inside.

Further, a plurality of radiating fins 8 are fixedly connected with the side surface of the cooling sleeve 1, two limiting rings 9 are fixedly connected with the side surface of the cooling sleeve 1, the radiating fins 8 are located between the two limiting rings 9, the left end and the right end of each radiating fin 8 are respectively fixedly connected with one side of each limiting ring 9, the plurality of radiating fins 8 are annularly and uniformly distributed on the cooling sleeve 1, a part of heat inside the cooling sleeve 1 can be absorbed through the radiating fins 8, the cooling effect of the cooling sleeve 1 on the electric spindle is improved, and the cooling speed is accelerated.

Further, the right side of sealed dome 4 is located the inside of left side limit ring 9, circular slot 10 has been seted up in the left side of left side limit ring 9, the inside wall fixedly connected with seal rubber ring 11 of circular slot 10, the side surface of sealed dome 4 and the inside wall fixed connection of seal rubber ring 11, can seal the junction of sealed dome 4 and cooling jacket 1 through left side limit ring 9 to under seal rubber ring 11's effect, make sealed dome 4 closely laminate with seal rubber ring 11 inside wall, further improve sealed effect.

Further, the cooling jacket 1 and the sealing dome 4 are fixedly connected with the sealing ring jacket 12 on one side opposite to each other, the water inlet pipe 6 is located above the water outlet pipe 7, the two sealing ring jackets 12 are respectively tightly sleeved with the water inlet pipe 6 and the water outlet pipe 7, and the sealing is carried out through the sealing ring jacket 12 and the side surfaces of the water inlet pipe 6 and the water outlet pipe 7, so that the sealing effect of the water inlet pipe 6 and the sealing dome 4 is improved, the sealing effect of the water outlet pipe 7 and the cooling jacket 1 is improved, dust is prevented from entering the cooling tank 2, and the cooling effect of the spiral cooling copper pipe 3 is ensured.

The application process of the utility model is as follows:

when the cooling jacket is used, cooling water is conveyed into the spiral cooling copper pipe 3 from the water inlet pipe 6, so that the cooling water flows in the spiral cooling copper pipe 3 and moves spirally from left to right, heat on the cooling jacket 1 can be absorbed and discharged from the water outlet pipe 7, the absorbed heat can be discharged, the heat dissipation and cooling effect is improved, and the heat dissipation effect on the cooling jacket 1 is further improved through the heat dissipation fins 8 on the side surface of the cooling jacket 1; when the spiral cooling copper pipe 3 is taken out and replaced, the mounting bolt 5 can be rotated and taken out, the sealing round cover 4 can be separated from the cooling sleeve 1, the cooling groove 2 is exposed, and then the spiral cooling copper pipe 3 can be taken out from the cooling groove 2 and replaced.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An electric spindle cooling system, comprising a cooling jacket (1), characterized in that: the cooling jacket is characterized in that the cooling groove (2) is formed in the left side of the cooling jacket (1), a spiral cooling copper pipe (3) is arranged in the cooling groove (2), a sealing round cover (4) is arranged on the left side of the cooling jacket (1), a mounting hole is formed in the left side of the sealing round cover (4), the sealing round cover (4) is connected with the cooling jacket (1) through a mounting bolt (5), the mounting bolt (5) is located inside the mounting hole, the mounting bolt (5) is in threaded connection with the left side of the cooling jacket (1), a water inlet pipe (6) is connected to the left side of the spiral cooling copper pipe (3), a water outlet pipe (7) is connected to the right side of the spiral cooling copper pipe (3), and the water inlet pipe (6) is movably connected with the inside of the sealing round cover (4), and the water outlet pipe (7) is movably connected with the right side of the cooling jacket (1).

2. An electric spindle cooling system according to claim 1, wherein: the right side of spiral cooling copper pipe (3) and the right side wall overlap joint of cooling groove (2), the left side of spiral cooling copper pipe (3) and the right side overlap joint of sealed dome (4), the overlap joint each other with the opposite one side of cooling groove (2) of sealed dome (4).

3. An electric spindle cooling system according to claim 1, wherein: the cooling jacket is characterized in that a plurality of radiating fins (8) are fixedly connected to the side surface of the cooling jacket (1), two limiting rings (9) are fixedly connected to the side surface of the cooling jacket (1), the radiating fins (8) are located between the two limiting rings (9), the left end and the right end of each radiating fin (8) are fixedly connected to one side, opposite to the two limiting rings (9), of each radiating fin, and the radiating fins (8) are uniformly distributed on the cooling jacket (1) in a ring shape.

4. An electric spindle cooling system according to claim 3, wherein: the right side of sealed dome (4) is located the inside of left side limit ring (9), and circular slot (10) have been seted up in the left side of left side limit ring (9), the inside wall fixedly connected with seal rubber ring (11) of circular slot (10), the side surface of sealed dome (4) and the inside wall fixed connection of seal rubber ring (11).

5. An electric spindle cooling system according to claim 1, wherein: the cooling jacket (1) and the sealing circular cap (4) are fixedly connected with sealing ring sleeves (12) on one sides opposite to each other, the water inlet pipe (6) is located above the water outlet pipe (7), and the two sealing ring sleeves (12) are tightly sleeved with the water inlet pipe (6) and the water outlet pipe (7) respectively.