Machine tool milling head box body

Abstract

The utility model relates to a machine tool milling head box body which comprises a milling box body, a milling head is arranged on one side of the milling box body, a heat conduction column is arranged at the end, located in the milling box body, of the milling head, a cooling part is arranged on the outer side of the heat conduction column, and the cooling part comprises annular spraying liquid and a heat absorption block arranged between the annular spraying liquid and the heat conduction column. A plurality of nozzles are fixedly installed on the inner side of the annular spraying liquid, and a cold air part is further arranged on the annular spraying liquid and used for conveying cold air to the nozzles. According to the cooling device, the milling head can be effectively, quickly and uniformly cooled, the situation that the temperature of the milling head is too high, and consequently abrasion and deformation of a cutter are accelerated is avoided, and the service life of the milling head is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of milling processing, in particular to a machine tool milling head box. Background Art

[0002] In the field of milling, the high temperature of the milling head is the main problem affecting the machining accuracy and tool life. In the traditional method, the milling head box is usually cooled by simple air cooling. However, this method has obvious shortcomings in cooling efficiency, thermal balance and structural stability of the milling head box. Especially in the high-load milling process, it is difficult to meet the demand for rapid and uniform cooling of the milling head, resulting in deformation of the milling head due to high temperature, which seriously affects the machining accuracy and the service life of the milling cutter. Utility Model Content

[0003] In view of the shortcomings of the prior art, the utility model provides a machine tool milling head box, and the specific technical solution is as follows:

[0004] A machine tool milling head box comprises a milling box, a milling head is arranged on one side of the milling box, one end of the milling head located inside the milling box has a heat-conducting column, a cooling part is arranged on the outside of the heat-conducting column, the cooling part comprises an annular spray and a heat-absorbing block arranged between the annular spray and the heat-conducting column, a plurality of nozzles are fixedly installed on the inner side of the annular spray, and a cold air part is also arranged on the annular spray, and the cold air part is used to transport cold air to the nozzle.

[0005] As an improvement of the above technical solution: the heat absorption block is made of heat-conducting silicone material, the heat-conducting column is made of aluminum or copper, the heat absorption block is arranged in a semi-circular shape and the inner side is in contact with one side of the heat-conducting column, and the heat absorption block is fixedly connected to the annular spray through a connecting bracket.

[0006] As an improvement of the above technical solution: the cold air part includes a cold air fan fixedly installed on one side of the outer wall of the milling box body, one side of the annular spray is connected to a hose, and one end of the hose is connected to the air outlet end of the cold air fan.

[0007] As an improvement of the above technical solution: it also includes a moving component for driving the cooling part to move axially toward the heat-conducting column, the moving component includes an assembly shell fixedly connected to one side of the inner wall of the milling box body, a moving frame is arranged inside the assembly shell, both sides of the inner wall of the moving frame are provided with racks, an incomplete gear is arranged between the two racks, the incomplete gear can be meshed with the rack, a driving motor is arranged on one side of the incomplete gear, the output end of the driving motor is fixedly connected to the center of one end of the incomplete gear, a moving rod is fixedly connected to one side of the moving frame, and the end of the moving rod away from the moving frame is fixedly connected to one side of the annular spray.

[0008] As an improvement of the above technical solution: an opening is provided on the side of the assembly shell close to the annular spray, the moving rod is located in the opening, a slide rail is fixedly installed on the side of the inner wall of the assembly shell away from the opening, and one side of the moving frame is slidably connected to the slide rail.

[0009] Beneficial effects of the utility model:

[0010] When the milling head processes the workpiece, the heat on the milling head will be transferred to the heat-conducting column. By starting the air cooler and driving the motor, the heat-absorbing block and the annular spray can repeatedly move axially along the heat-conducting column. One side of the heat-absorbing block effectively contacts the heat-conducting column, taking away part of the heat on the milling head. Then, the cold air can be blown to the milling head, the heat-conducting column and the heat-absorbing block over a large range through the nozzle on the annular spray, thereby effectively cooling the milling head quickly and evenly, avoiding excessive temperature and accelerating the wear and deformation of the tool, and increasing the service life of the milling head. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0012] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0013] Figure 3 It is a structural schematic diagram of the mobile component in the utility model.

[0014] Figure numerals: 1, milling box; 2, air cooler; 3, assembly shell; 30, opening; 31, moving rod; 32, slide rail; 33, moving frame; 34, rack; 35, driving motor; 36, incomplete gear; 4, milling head; 41, heat-conducting column; 5, annular spray; 51, nozzle; 52, hose; 53, connecting bracket; 54, heat absorption block. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0016] Example

[0017] Please refer to Figure 1-Figure 3The milling head box of the machine tool includes a milling box 1, a milling head 4 is arranged on one side of the milling box 1, one end of the milling head 4 is located inside the milling box 1, specifically, the milling head 4 is rotatably installed on one side of the milling box 1, and the other end of the milling head 4 extends to the outside of the milling box 1 for grinding and cutting the workpiece. A driving mechanism such as a motor can be accommodated in the milling box 1 to drive the milling head 4 to rotate. The output end of the motor is connected to the heat-conducting column 41, which drives the milling head 4 to rotate. The end of the milling head 4 located inside the milling box 1 has a heat-conducting column 41, and a cooling part is arranged on the outside of the heat-conducting column 41. The cooling part includes an annular spray 5 and a heat absorbing block 54 arranged between the annular spray 5 and the heat-conducting column 41. A plurality of nozzles 51 are fixedly installed on the inner side of the annular spray 5, and a cold air part is also arranged on the annular spray 5, and the cold air part is used to transport cold air to the nozzle 51.

[0018] In an optional embodiment: the heat absorption block 54 is made of thermally conductive silicone material, and the thermally conductive column is made of aluminum or copper. Specifically, the thermally conductive silicone, aluminum or copper all have good thermal conductivity, which is convenient for heat dissipation of the milling head 4. The thermally conductive silicone material has good thermal conductivity and good wear resistance, which increases its service life. The heat absorption block 54 is arranged in a semi-annular shape and the inner side is in contact with one side of the thermally conductive column 41, so that it can absorb the heat on the thermally conductive column 41. The heat absorption block 54 is fixedly connected to the annular spray 5 through the connecting bracket 53.

[0019] In an optional embodiment: the cold air part includes a cold air fan 2 fixedly installed on one side of the outer wall of the milling box 1, one side of the annular spray 5 is connected to a hose 52, and one end of the hose 52 is connected to the air outlet end of the cold air fan 2.

[0020] In an optional embodiment: it also includes a moving component for driving the cooling part to move axially toward the heat-conducting column 41, the moving component includes an assembly shell 3 fixedly connected to one side of the inner wall of the milling box body 1, a moving frame 33 is arranged inside the assembly shell 3, and racks 34 are arranged on both sides of the inner wall of the moving frame 33, and the two racks 34 are arranged opposite to each other. An incomplete gear 36 is arranged between the two racks 34, and the incomplete gear 36 can mesh with the rack 34. A driving motor 35 is arranged on one side of the incomplete gear 36, and the driving motor 35 is fixedly installed on one side of the inner wall of the assembly shell 3. The output end of the driving motor 35 is fixedly connected to the center of one end of the incomplete gear 36. A moving rod 31 is fixedly connected to one side of the moving frame 33, and the end of the moving rod 31 away from the moving frame 33 is fixedly connected to one side of the annular spray 5. When the incomplete gear 36 is driven by the driving motor 35 to rotate cyclically, the incomplete gear 36 can repeatedly mesh with the rack 34, so that the moving frame 33 can drive the cooling part connected to the moving rod 31 to move repeatedly on both sides in one direction.

[0021] In an optional embodiment: an opening 30 is provided on one side of the assembly shell 3 close to the annular spray 5, and the moving rod 31 is located in the opening 30, which ensures the normal movement of the moving rod 31, and a slide rail 32 is fixedly installed on the side of the inner wall of the assembly shell 3 away from the opening 30, and one side of the moving frame 33 is slidably connected to the slide rail 32, so that the moving frame 33 can move more stably.

[0022] Specifically, when the milling head 4 processes the workpiece, the heat on the milling head 4 will be transferred to the heat-conducting column 41. By starting the air cooler 2 and driving the motor 35, the heat absorbing block 54 and the annular spray 5 can be repeatedly moved axially on the heat-conducting column 41, so that one side of the heat absorbing block 54 is effectively in contact with the heat-conducting column 41, taking away part of the heat on the milling head 4, and then the nozzle 51 on the annular spray 5 can blow cold air to the milling head 4, the heat-conducting column 41 and the heat absorbing block 54 over a large range, thereby effectively and quickly cooling the milling head 4, avoiding excessive temperature and accelerating the wear and deformation of the tool, and improving the service life of the milling head 4.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A machine tool milling head box, comprising a milling box (1), a milling head (4) being arranged on one side of the milling box (1), characterized in that: The milling head (4) has a heat-conducting column (41) at one end located inside the milling box (1), and a cooling part is arranged on the outside of the heat-conducting column (41), and the cooling part includes an annular spray liquid (5) and a heat-absorbing block (54) arranged between the annular spray liquid (5) and the heat-conducting column (41). A plurality of nozzles (51) are fixedly installed on the inside of the annular spray liquid (5), and a cold air part is also arranged on the annular spray liquid (5), and the cold air part is used to transport cold air to the nozzle (51).

2. The machine tool milling head housing according to claim 1, characterized in that: The heat absorbing block (54) is made of heat-conducting silica gel material. The heat absorbing block (54) is arranged in a semi-circular shape and the inner side is in contact with one side of the heat-conducting column (41). The heat absorbing block (54) is fixedly connected to the annular spray (5) via a connecting bracket (53).

3. The machine tool milling head housing according to claim 2, characterized in that: The cold air section comprises a cold air machine (2) fixedly mounted on one side of the outer wall of the milling box (1); one side of the annular liquid spray (5) is connected to a hose (52); one end of the hose (52) is connected to the air outlet end of the cold air machine (2).

4. The machine tool milling head housing according to claim 3, characterized in that: The invention also comprises a moving assembly for driving the cooling part to move axially toward the heat-conducting column (41), wherein the moving assembly comprises an assembly shell (3) fixedly connected to one side of the inner wall of the milling box body (1), wherein a moving frame (33) is arranged inside the assembly shell (3), wherein both sides of the inner wall of the moving frame (33) are provided with racks (34), an incomplete gear (36) is arranged between the two racks (34), and the incomplete gear (36) can mesh with the rack (34), and a driving motor (35) is arranged on one side of the incomplete gear (36), wherein the output end of the driving motor (35) is fixedly connected to the center of one end of the incomplete gear (36), and a moving rod (31) is fixedly connected to one side of the moving frame (33), and the end of the moving rod (31) away from the moving frame (33) is fixedly connected to one side of the annular liquid spray (5).

5. The machine tool milling head housing according to claim 4, characterized in that: An opening (30) is provided on a side of the assembly shell (3) close to the annular spray (5), the moving rod (31) is located in the opening (30), a slide rail (32) is fixedly installed on a side of the inner wall of the assembly shell (3) away from the opening (30), and one side of the moving frame (33) is slidably connected to the slide rail (32).

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