CN212444348U

CN212444348U - Motor spindle cooling mechanism for machine tool

Info

Publication number: CN212444348U
Application number: CN202020732137.7U
Authority: CN
Inventors: 罗正忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-02-02
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a motor spindle cooling body for lathe includes: the shell body, the inside of shell body is equipped with fixed block and is the setting of circular ring structure, the fixed block inboard is equipped with fin and is rectangle sheet structure, the fin is provided with the bleeder vent that forms fan-shaped structure between a plurality of groups and a plurality of groups's fin, the end of fin is equipped with elastic block and is rectangular structure setting, the elastic block cup joints the surface at the fin. The utility model discloses set up the cooling cylinder in the main shaft outside, the cooling leads to including outer sleeve and inner skleeve, and inner skleeve and drive shaft in contact with each other, and vacuole formation and the inside cooling tube that sets up the helical arrangement of cavity between outer sleeve and the inner skleeve, the water inlet and the delivery port of cooling tube link to each other with the inlet tube and the outlet pipe of cooler bin respectively, realize the recycling of coolant liquid, and the coolant liquid is at the cooling tube internal circulation, can reduce the heat that the drive shaft during operation produced fast.

Description

Motor spindle cooling mechanism for machine tool

Technical Field

The utility model relates to a lathe technical field, more specifically are a motor spindle cooling body for lathe.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, and are conventionally called machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization.

At present, the existing machine tool spindle has the following problems: 1. after a spindle of a motor of an existing machine tool works for a long time, a large amount of heat is generated, and the spindle is easy to deform because the heat cannot be transferred; 2. after the existing spindle motor is tried to be used, a large amount of heat is generated, the vibration is serious, and the service life of the motor is easily shortened when the spindle motor works in a high-temperature environment. Therefore, a new technical solution needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor spindle cooling body for lathe, this cooling body sets up the cooling cylinder in the main shaft outside, the cooling leads to including outer sleeve and inner skleeve, and inner skleeve and drive shaft contact each other, vacuole formation and the inside cooling tube that sets up the helical arrangement of cavity between outer sleeve and the inner skleeve, the water inlet and the delivery port of cooling tube link to each other with the inlet tube and the outlet pipe of cooler bin respectively, realize the used circulation of coolant liquid, the coolant liquid is at the cooling tube internal loop, can reduce the heat that the drive shaft during operation produced fast, satisfy the practical application demand.

In order to achieve the above object, the utility model provides a following technical scheme: a motor spindle cooling mechanism for a machine tool, comprising: the cooling device comprises an outer shell, wherein a fixed block is arranged in the outer shell and is in a circular annular structure, radiating fins are arranged on the inner side of the fixed block and are in a rectangular sheet structure, the radiating fins are provided with a plurality of groups of air holes forming a fan-shaped structure between the radiating fins, the tail ends of the radiating fins are provided with elastic blocks and the elastic blocks are in a long strip structure, the elastic blocks are sleeved on the surfaces of the radiating fins, the inner sides of the elastic blocks are provided with motors and the elastic blocks are in mutual contact, the power output end of the motors is provided with a connecting end, the right side of the connecting end is provided with a driving shaft, the right side of the outer shell is provided with a supporting frame, the right side of the supporting frame is provided with a cooling cylinder, the cooling cylinder is fixedly connected with the supporting frame through bolts and comprises, the left side of cooler bin is equipped with inlet tube and right side and is equipped with the outlet pipe, vacuole formation and the inside cooling tube that is equipped with of cavity between inner skleeve and the outer sleeve, the cooling tube is the helical structure setting and cup joints on the sleeve surface, the water inlet and the delivery port of cooling tube are linked together with inlet tube and outlet pipe respectively, the mutual contact between cooling tube and the inner skleeve.

As a preferred embodiment of the utility model, the left side of shell body is equipped with first louvre and is linked together with the shell body is inside, first louvre is inside to be equipped with first heat dissipation fan and first heat dissipation fan passes through bolt and first louvre fixed connection.

As a preferred embodiment of the utility model, the surface of cooler bin is equipped with the second louvre and the second louvre contacts each other between the tank wall of cooler bin, the inside of second louvre is equipped with the second heat dissipation fan and the second heat dissipation fan passes through bolt and second louvre fixed connection.

As a preferred embodiment of the present invention, an air outlet gap is formed between the cavity and the cooling pipe, and air outlet holes are formed on the left and right sides of the surface of the outer sleeve, and the air outlet holes are communicated with the cavity.

As a preferred embodiment of the utility model, the outside of cooling cylinder is equipped with buffer board and is the setting of circular sheet structure, the buffer board cup joint in the outside of cooling cylinder and with cooling cylinder between sliding connection.

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

(1) the utility model discloses set up the cooling cylinder in the main shaft outside, the cooling leads to including outer sleeve and inner skleeve, and inner skleeve and drive shaft contact each other, vacuole formation and the inside cooling tube that sets up the helical arrangement of cavity between outer sleeve and the inner skleeve, the water inlet and the delivery port of cooling tube link to each other with the inlet tube and the outlet pipe of cooler bin respectively, realize the recycling of coolant liquid, and the coolant liquid is at the cooling tube internal circulation, can reduce the heat that the drive shaft during operation produced fast.

(2) The utility model discloses set up the fixed block in the outside of motor to guarantee the stability of motor, the fixed block inboard sets up type bleeder vent between fin and the fin simultaneously, and the first heat dissipation fan through the inside setting of first louvre discharges the heat fast, has increased the radiating effect of motor, sets up second louvre and second heat dissipation fan in the cooler bin outside simultaneously, can dispel the heat to the inside cooling water of cooler bin, avoids long-time use, causes the intensification of coolant liquid.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the cooling cylinder of the present invention;

fig. 3 is a schematic view of the top view structure of the outer casing of the present invention.

In the figure, an outer shell-1, a motor-2, a fixing block-3, a first heat dissipation fan-4, a first heat dissipation hole-5, a connecting end-6, a supporting frame-7, a cooling cylinder-8, a cooling box-9, a second heat dissipation fan-10, a second heat dissipation hole-11, a buffer plate-12, a driving shaft-13, a water inlet pipe-14, a water outlet pipe-15, a cooling pipe-16, an outer sleeve-17, an inner sleeve-18, a cavity-19, an air outlet-20, a heat dissipation fin-21, an elastic block-22 and an air vent-23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a motor spindle cooling mechanism for a machine tool, comprising: the outer shell 1, the inside of outer shell 1 is equipped with fixed block 3 and fixed block 3 is the setting of circular ring structure, fixed block 3 inboard is equipped with fin 21 and fin 21 is the rectangle lamellar structure, fin 21 is provided with several groups and forms fan-shaped structure's bleeder vent 23 between several groups of fin 21, the end of fin 21 is equipped with elastic block 22 and elastic block 22 is the setting of rectangular structure, elastic block 22 cup joints the surface at fin 21, the inboard of elastic block 22 is equipped with motor 2 and contact each other between motor 2 and elastic block 22, motor 2 installs between fixed block 3 inside outer shell 1, fixed block 3 is the circular ring structure cup joints on motor 2 surface, the stability of motor 2 has been guaranteed, set up fin 21 in fixed block 3 inboard simultaneously, the elastic block 22 that fin 21 end set up has increased the anti-seismic performance of motor 2, the area of contact of fixed block 3 with motor 2 has been reduced simultaneously, the heat generated by the motor 2 can be discharged through the air holes 23 formed between the radiating fins 21, the radiating effect is increased, the power output end of the motor 2 is provided with the connecting end 6, the right side of the connecting end 6 is provided with the driving shaft 13, the right side of the outer shell 1 is provided with the supporting frame 7, the right side of the supporting frame 7 is provided with the cooling cylinder 8, the cooling cylinder 8 is fixedly connected with the supporting frame 7 through bolts, the cooling cylinder 8 comprises an inner sleeve 18 and an outer sleeve 17, the inner sleeve 18 is sleeved on the surface of the driving shaft 13, the surface of the outer sleeve 17 is provided with the cooling box 9, the cooling box 9 is fixed with the outer sleeve 17 through bolts, the left side of the cooling box 9 is provided with the water inlet pipe 14, the right side of the cooling box 9 is provided with the water outlet pipe 15, a cavity 19 is formed between the inner sleeve 18 and the, the cooling tube 16 and the inner sleeve 18 are in contact with each other, the cooling tube 8 is arranged on the surface of the driving shaft 13, the cooling tube 8 comprises the inner sleeve 18 and the outer sleeve 17, the inner sleeve 18 and the driving shaft 13 are in contact with each other, meanwhile, the cooling tube 16 is arranged in a cavity 19 formed between the inner sleeve 18 and the outer sleeve 17, a water inlet and a water outlet of the cooling tube 16 are respectively communicated with a water inlet tube 14 and a water outlet tube 15 of the cooling box 9, the cooling tube 16 is arranged in a spiral structure, the contact area and the circulation time of cooling liquid are increased, and the cooling effect is improved.

Further improved, as shown in fig. 1: the left side of shell body 1 is equipped with first louvre 5 and first louvre 5 is linked together with shell body 1 is inside, the inside first heat dissipation fan 4 that is equipped with of first louvre 5 and first heat dissipation fan 4 pass through bolt and first louvre 5 fixed connection, and first louvre 5 is located the left side of motor 2, and first heat dissipation fan 4 can be fast with the inside heat discharge of shell body 1, has increased the radiating effect of motor 2.

Further improved, as shown in fig. 1: the surface of cooler bin 9 is equipped with second louvre 11 and the tank wall of cooler bin 9 between the contact each other, the inside of second louvre 11 is equipped with second heat dissipation fan 10 and second heat dissipation fan 10 passes through bolt and second louvre 11 fixed connection, and second louvre 11 is located the cooler bin 9 surface, and the second heat dissipation fan 10 motion will be attached to in the inside heat fast transfer of cooler bin 9 to the outside simultaneously to avoid the coolant liquid to heat up.

Further improved, as shown in fig. 2: an air outlet gap is formed between the cavity 19 and the cooling pipe 16, air outlet holes 20 are formed in the left side and the right side of the surface of the outer sleeve 17, the air outlet holes 20 are communicated with the cavity 19, the gap formed between the cavity 19 and the cooling pipe 16 is used for heat transfer, meanwhile, the air can be discharged through the air outlet holes 20, and the heat dissipation effect is improved.

Further improved, as shown in fig. 1: the outside of cooling cylinder 8 is equipped with buffer board 12 and is circular sheet structure setting, buffer board 12 cup joint in the outside of cooling cylinder 8 and with cooling cylinder 8 between sliding connection, buffer board 12 adopts the natural rubber material to make, is the sheet structure simultaneously and cup joints on cooling cylinder 8 surface, has increased cooling cylinder 8's stability.

The utility model discloses motor 2 installs between the fixed block 3 in the shell body 1 inside, fixed block 3 cup joints on motor 2 surface in the form of ring structure, guaranteed motor 2's stability, simultaneously set up fin 21 in the fixed block 3 inboard, the elasticity piece 22 that fin 21 end set up has increased the anti-seismic performance of motor 2, reduced the area of contact of fixed block 3 with motor 2 simultaneously, make the heat that motor 2 produced discharge through the bleeder vent 23 that forms between the fin 21, increased the radiating effect, the surface of drive shaft 13 sets up cooling cylinder 8, cooling cylinder 8 includes inner skleeve 18 and outer skleeve 17, mutual contact between inner skleeve 18 and the drive shaft 13, install cooling tube 16 in the cavity 19 that forms between inner skleeve 18 and the outer skleeve 17 simultaneously, the water inlet and the delivery port of cooling tube 16 are linked together with inlet tube 14 and outlet pipe 15 of cooler bin 9, and the cooling pipe 16 is arranged in a spiral structure, so that the contact area and the circulation time of the cooling liquid are increased, and the cooling effect is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor spindle cooling mechanism for a machine tool, characterized in that: the method comprises the following steps: the heat dissipation device comprises an outer shell (1), wherein a fixed block (3) is arranged inside the outer shell (1), the fixed block (3) is arranged in a circular annular structure, cooling fins (21) are arranged on the inner side of the fixed block (3), the cooling fins (21) are in rectangular sheet structures, air holes (23) of a plurality of groups and fan-shaped structures are formed among the cooling fins (21), elastic blocks (22) are arranged at the tail ends of the cooling fins (21), the elastic blocks (22) are arranged in long strip structures, the elastic blocks (22) are sleeved on the surface of the cooling fins (21), motors (2) are arranged on the inner sides of the elastic blocks (22), the motors (2) are in contact with the elastic blocks (22), power output ends of the motors (2) are provided with connecting ends (6), driving shafts (13) are arranged on the right sides of the connecting ends (6), a support frame (7) is arranged on the right side of the outer shell (1), and cooling cylinders (8) are, the cooling cylinder (8) is fixedly connected with the support frame (7) through bolts, the cooling cylinder (8) comprises an inner sleeve (18) and an outer sleeve (17), the inner sleeve (18) is sleeved on the surface of the driving shaft (13), the surface of the outer sleeve (17) is provided with a cooling box (9), the cooling box (9) is fixed with the outer sleeve (17) through bolts, a water inlet pipe (14) is arranged at the left side of the cooling box (9), a water outlet pipe (15) is arranged at the right side of the cooling box, a cavity (19) is formed between the inner sleeve (18) and the outer sleeve (17), a cooling pipe (16) is arranged in the cavity (19), the cooling pipe (16) is arranged in a spiral structure and sleeved on the surface of the sleeve, a water inlet and a water outlet of the cooling pipe (16) are respectively communicated with the water inlet pipe (14) and the water outlet pipe (15), and the cooling pipe (16) is in contact with the inner sleeve (18).

2. A motor spindle cooling mechanism for a machine tool according to claim 1, characterized in that: the novel heat dissipation structure is characterized in that a first heat dissipation hole (5) is formed in the left side of the outer shell (1), the first heat dissipation hole (5) is communicated with the interior of the outer shell (1), a first heat dissipation fan (4) is arranged in the first heat dissipation hole (5), and the first heat dissipation fan (4) is fixedly connected with the first heat dissipation hole (5) through a bolt.

3. A motor spindle cooling mechanism for a machine tool according to claim 1, characterized in that: the surface of the cooling box (9) is provided with a second heat dissipation hole (11), the second heat dissipation hole (11) is in contact with the box wall of the cooling box (9), and a second heat dissipation fan (10) is arranged inside the second heat dissipation hole (11), and the second heat dissipation fan (10) is fixedly connected with the second heat dissipation hole (11) through bolts.

4. A motor spindle cooling mechanism for a machine tool according to claim 1, characterized in that: an air outlet gap is formed between the cavity (19) and the cooling pipe (16), air outlet holes (20) are formed in the left side and the right side of the surface of the outer sleeve (17), and the air outlet holes (20) are communicated with the cavity (19).

5. A motor spindle cooling mechanism for a machine tool according to claim 1, characterized in that: the cooling cylinder is characterized in that a buffer plate (12) is arranged outside the cooling cylinder (8), the buffer plate (12) is arranged in a circular sheet structure, and the buffer plate (12) is sleeved outside the cooling cylinder (8) and is connected with the cooling cylinder (8) in a sliding mode.