Spindle cooling device of numerically controlled lathe

Abstract

The utility model relates to a numerical control lathe spindle cooling device, which belongs to the technical field of lathe spindle cooling and comprises a lathe spindle, a spindle cooling box and a cooling liquid cooling box, the cooling liquid cooling box is fixedly connected to the upper end of the spindle cooling box, and a spray header is arranged at the upper end of the spindle cooling box. The spraying head is communicated with the cooling liquid cooling box through a spraying pipe, a cooling groove is fixedly connected to the inner side of the spindle cooling box, the lathe spindle penetrates through the spindle cooling box and the cooling groove and is rotationally connected with the spindle cooling box and the cooling groove, and a water pump communicated with the lower end of the cooling liquid cooling box through a water pumping pipe is arranged in the cooling liquid cooling box. The cooling tank of a special structure is arranged to be matched with the spray head to conduct water cooling on the main shaft, water in the cooling tank can be discharged into the connecting pipe from the cooling tank in the temperature rising process in the cooling process, the water is pumped through a water pump of the cooling liquid cooling box and then cooled so as to be recycled, and therefore the situation that the cooling effect is affected due to the too high temperature of cooling liquid is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of numerical control lathe spindle cooling device, belong to lathe spindle cooling technical field. BACKGROUND

[0002] Machine tool spindle refers to the shaft that workpiece or tool is rotated on machine tool. It is usually composed of spindle, bearing and transmission member (gear or pulley) and so on main shaft component, numerical control lathe spindle is one of the core components of numerical control lathe, and its performance directly influences machining precision and efficiency, in the process of numerical control lathe work, often through cooling device to ensure that spindle maintains stable temperature when high-speed operation and prolongs service life.

[0003] Existing spindle cooling device often carries out temperature reduction to spindle by water cooling mode, however, in the process of numerical control lathe long time work, cooling water temperature rises, cannot achieve ideal cooling effect, affect subsequent processing. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that existing spindle cooling device often carries out temperature reduction to spindle by water cooling mode, however, in the process of numerical control lathe long time work, cooling water temperature rises, cannot achieve ideal cooling effect, affect subsequent processing.

[0005] To solve the above problem, the utility model provides a kind of numerical control lathe spindle cooling device, including lathe spindle, main shaft cooling box and cooling liquid cooling box, the cooling liquid cooling box is fixedly connected on the upper end of main shaft cooling box, the upper end of main shaft cooling box is equipped with shower head, the shower head is communicated with cooling liquid cooling box by spray pipe, the inside of main shaft cooling box is fixedly connected with cooling groove, the lathe spindle is connected with rotation with cooling groove and cooling groove and is connected with rotation, the lower end of cooling groove is equipped with water leakage hole, the side of cooling groove is equipped with drain hole, the water pump that is communicated with the lower end of main shaft cooling box by water suction pipe is arranged in cooling liquid cooling box.

[0006] Further, the side of cooling liquid cooling box is equipped with touch screen, the lower end of cooling groove is equipped with temperature sensor.

[0007] Further, the side of cooling groove upper end is equipped with a plurality of drain holes, and a plurality of water leakage holes are evenly distributed on the lower end of the cooling groove.

[0008] Further, the volume of cooling liquid cooling box is greater than the volume of cooling groove.

[0009] Further, the upper end of cooling liquid cooling box is equipped with water injection pipe.

[0010] Further, a plurality of shower heads are evenly distributed above the cooling groove.

[0011] The utility model discloses a cooling device for the main shaft of a numerical control lathe, which comprises a main shaft cooling box, a cooling liquid cooling box and a cooling tank.

[0012] The cooling tank is provided with a special structure, and the main shaft is water-cooled by the cooling tank and a spray head. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation on the present utility model. In the drawings:

[0014] Figure 1 It is a sectional view of the cooling device for the main shaft of the numerical control lathe.

[0015] Figure 2 It is a sectional view of the cooling device for the main shaft of the numerical control lathe. Figure One .

[0016] Figure 3 It is a sectional view of the cooling device for the main shaft of the numerical control lathe. Figure Two .

[0017] Figure 4 It is an explosion view of the lathe main shaft and the cooling tank of the cooling device for the main shaft of the numerical control lathe.

[0018] In the drawings:

[0019] 1, lathe main shaft;2, main shaft cooling box;21, spray head;22, cooling tank;23, water leakage hole;24, drain hole;3, cooling liquid cooling box;31, touch screen;32, temperature sensor;33, water injection pipe;34, water suction pipe. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0021] The accompanying drawings are included to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation on the present utility model. In the drawings: Figures 1-4The utility model provides a numerical control lathe main shaft 1 cooling device, including lathe main shaft 1, main shaft cooling box 2 and cooling liquid cooling box 3, the upper end of cooling liquid cooling box 3 is equipped with the water injection pipe 33, cooling liquid cooling box 3 fixedly connected in the upper end of main shaft cooling box 2, the upper end of main shaft cooling box 2 is equipped with the shower head 21, a plurality of shower head 21 evenly distributes in the upper of cooling groove 22, and the shower head 21 is communicated with cooling liquid cooling box 3 through the spray pipe, and the inboard of main shaft cooling box 2 is fixedly connected with cooling groove 22, and the volume of cooling liquid cooling box 3 is greater than the volume of cooling groove 22, and lathe main shaft 1 passes through main shaft cooling box 2, cooling groove 22 and is rotationally connected with it, and the lower end of cooling groove 22 is equipped with the water leakage hole 23, and the side of cooling groove 22 is equipped with the drain hole 24, and a plurality of drain holes 24 are equipped in the upper end side of cooling groove 22, and a plurality of water leakage holes 23 evenly distribute in the lower end of cooling groove 22, and the water pump in cooling liquid cooling box 3 is communicated with the lower end of main shaft cooling box 2 through the water pump 34, in the process of using, the cooling liquid in cooling liquid cooling box 3 is sprayed in cooling groove 22 through shower head 21 and is cooled to lathe main shaft 1, and the water temperature in cooling groove 22 is increased in the process and is first drained from cooling groove 22 through water leakage hole 23 into the connecting pipe, and is cooled after being pumped by the water pump of cooling liquid cooling box 3, so that the cooling water can keep low temperature state circulation uses, avoids that cooling liquid temperature is too high and influences the cooling effect;

[0022] The temperature sensor 32 at the lower end of the cooling groove 22 can detect the temperature of the cooling water in the cooling groove 22, and the touch screen 31 on one side of the cooling liquid cooling box 3 displays the water temperature in the cooling groove 22 and adjusts the flow of the shower head 21. When the water temperature in the cooling groove 22 is higher than the set temperature, the shower head 21 increases the spraying amount, the water level in the cooling groove 22 rises, and the cooling effect is improved. The water in the cooling groove 22 is discharged through the water leakage hole 23 and the drain hole 24 at the same time, the circulation efficiency of the cooling water is increased, and the cooling effect is improved.

[0023] The working principle of the present application is as follows:

[0024] In the process of use, the cooling liquid in the cooling liquid cooling box 3 is sprayed in the cooling groove 22 through the shower head 21 and is cooled to the lathe main shaft 1, and the water temperature in the cooling groove 22 is increased in the process and is first drained from the cooling groove 22 through the water leakage hole 23 into the connecting pipe, and is cooled after being pumped by the water pump of the cooling liquid cooling box 3, so that the cooling water can keep low temperature state circulation uses, avoids that cooling liquid temperature is too high and influences the cooling effect;When the water temperature in the cooling groove 22 is higher than the set temperature, the shower head 21 increases the spraying amount, the water level in the cooling groove 22 rises, and the cooling effect is improved. The water in the cooling groove 22 is discharged through the water leakage hole 23 and the drain hole 24 at the same time, the circulation efficiency of the cooling water is increased, and the cooling effect is improved.

[0025] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A lathe spindle cooling device, characterized by: Including lathe main shaft (1), main shaft cooling box (2) and cooling liquid cooling box (3), the cooling liquid cooling box (3) is fixedly connected on the upper end of main shaft cooling box (2), the upper end of main shaft cooling box (2) is equipped with shower head (21), the shower head (21) is communicated with cooling liquid cooling box (3) by spray pipe, the inside of main shaft cooling box (2) is fixedly connected with cooling tank (22), the lathe main shaft (1) penetrates main shaft cooling box (2), cooling tank (22) and is rotationally connected with it, the lower end of cooling tank (22) is equipped with water leakage hole (23), the side of cooling tank (22) is equipped with drain hole (24), the cooling liquid cooling box (3) is equipped with water pump in and is communicated with the lower end of main shaft cooling box (2) by water pump pipe (34).

2. A CNC lathe spindle cooling device as claimed in claim 1, characterized in that: The side of the cooling liquid cooling box (3) is equipped with touch screen (31), and the lower end of the cooling tank (22) is equipped with a temperature sensor (32).

3. A CNC lathe spindle cooling device as claimed in claim 1, characterized in that: A plurality of drain holes (24) are arranged on the upper end side of the cooling tank (22), and a plurality of water leakage holes (23) are uniformly distributed on the lower end of the cooling tank (22).

4. A CNC lathe spindle cooling device as claimed in claim 1, characterized in that: The volume of the cooling liquid cooling box (3) is greater than the volume of the cooling tank (22).

5. A CNC lathe spindle cooling device as claimed in claim 4, characterised in that: The upper end of the cooling liquid cooling box (3) is equipped with a water injection pipe (33).

6. A CNC lathe spindle cooling device as claimed in claim 1, characterized in that: A plurality of shower heads (21) are uniformly distributed above the cooling tank (22).

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