High-protection short-nose-end main shaft

Abstract

The utility model discloses a high protection short nose end main shaft relates to short nose end main shaft technical field, including mounting plate and mounting hole, the inside of mounting plate is provided with the mounting hole, and one side of mounting plate is fixedly connected with shell, the inside of shell is fixedly connected with oil return channel, and the bottom of oil return channel is fixedly connected with the sealing block, and the sealing block is fixedly connected with the oil return channel. Four groups of mounting holes are formed in the mounting plate, the shell plays a role in protecting the internal main shaft mechanism, and the sealing block is connected with the folding part of the oil return pipeline, so that the influence on the rotation of the main shaft due to liquid leakage is avoided. Compared with an existing common short-nose-end spindle, the short-nose-end spindle has the advantages that the sealing block is additionally arranged at the bottom of the oil return channel, abrasion or scratching of a bearing face caused by insufficient lubrication is avoided, the functions of protecting a shaft and supporting a rotating component are achieved, friction between the shaft and a fixed component can be reduced, the service life of the shaft is prolonged, and under some conditions, the service life of the shaft is prolonged. The shaft sleeve can also be used for adjusting the length of the shaft or repairing the worn shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of short-nose spindles, in particular to a high-protection short-nose spindle. Background Technique

[0002] Most machine tools have spindle components. Some machine tools have only one spindle component, while some have multiple spindle components. The machine tool spindle refers to the shaft on the machine tool that drives the workpiece or tool to rotate. Usually, the spindle component is composed of a spindle, bearings, and transmission parts (gears or pulleys), etc. Except for machine tools with linear main motions such as planers and broaching machines, most machine tools have spindle components. The spindle nose taper refers to the taper of the spindle hole for installing the tool shank. The tailstock of a horizontal lathe also has a taper. The distance from the spindle nose to the workbench of a vertical lathe, that is, the height range of the workpiece processed by the vertical lathe.

[0003] For example, a spindle with the application number CN201821975153.8 includes a spindle, a micro oil tank, a first bearing, a second airbag, and a tempered hard reinforcement layer. A fourth shaft plate is installed at one end of the spindle. Second airbags are evenly installed on the side of the fourth shaft plate away from the spindle, and a third shaft plate is installed on the side of the second airbag away from the fourth shaft plate. A second bearing is installed at the end of the spindle away from the fourth shaft plate. A pulley is installed at the end of the second bearing away from the spindle, and a second gear shaft is installed at the end of the pulley away from the second bearing. A first bearing is installed at the end of the second gear shaft away from the pulley, and an auxiliary shaft is installed at the end of the first bearing away from the first gear shaft. This utility model realizes that the device can use the lubricating oil thrown out when the spindle rotates through installing an oil injection conduit at the middle position of the top of the micro oil tank, and an oil injection plate is installed at the end of the oil injection conduit away from the micro oil tank, enhancing the lubrication degree, reducing the frictional resistance, and increasing the service life. However, when this high-protection short-nose spindle operates at high speed, the generated heat is difficult to be discharged. High temperature will cause thermal deformation. The thermal deformation of the spindle and bearings will further affect the machining accuracy of the machine tool, and will directly limit the rotational speed of the motorized spindle, having a great impact on the machining efficiency of the machine tool. At the same time, the oil return channel is prone to leakage. Therefore, in view of this, research and improvement are carried out on the existing structural deficiencies, and a high-protection short-nose spindle is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a high-protection short-nose spindle to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A high-protection short-nose spindle, an installation plate and an installation hole. An installation hole is opened inside the installation plate, and a housing is fixedly connected to one side of the installation plate. An oil return channel is fixedly connected inside the housing, and a sealing block is fixedly connected to the bottom of the oil return channel.

[0006] Preferably, the housing includes a heat dissipation plate fixedly connected to one side of the mounting plate, and an anti-corrosion layer is fixedly connected to one side of the heat dissipation plate, and a reinforcement layer is fixedly connected to one side of the anti-corrosion layer.

[0007] Preferably, a transformer is movably connected to the top of the housing, and a braking body is fixedly connected to the inside of the housing.

[0008] Preferably, an electronic rotor is provided on one side of the braking body, and an electronic stator is fixedly connected to the inside of the housing.

[0009] Preferably, one end of the electronic rotor is movably connected to a bushing, and a bearing is fixedly connected to the inside of the bushing.

[0010] Preferably, a core shaft is fixedly connected to the inside of the bearing, and the core shaft penetrates through the inside of the housing.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. Through the internal structure of the housing and the setting of the sealing block, the present utility model can improve the firmness of the spindle housing. Since the spindle rotates at a high speed, heat is generated and difficult to be discharged. The heat dissipation plate reduces the heat accumulated inside the spindle, avoiding the phenomenon of aging of the spindle caused by too high temperature. The anti-corrosion layer can prevent the housing from directly contacting corrosive substances and play a role in protecting the internal mechanism of the housing. In the traditional spindle, the heat generated during high-speed operation is difficult to be discharged, and high temperature will cause thermal deformation. The thermal deformation of the spindle and the bearing will further affect the machining accuracy of the machine tool, and will directly limit the rotation speed of the motorized spindle, having a great impact on the machining efficiency of the machine tool. At the same time, the oil return channel is prone to leakage. In the present utility model, a sealing block is added at the bottom of the oil return channel, avoiding bearing surface wear or scratching caused by insufficient lubrication, and preventing seizure of the shaft and piston jamming in the cylinder, and the resulting connecting rod bending and fracture accidents, providing guarantee for the normal use of the spindle;

[0013] 2. Through the setting of the bushing, the present utility model plays a role in protecting the shaft and supporting the rotating components. It can reduce the friction between the shaft and the fixed components, thereby extending the service life of the shaft. In some cases, the bushing can also be used to adjust the length of the shaft or repair the worn shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the internal structure of the main body of the present utility model;

[0015] Figure 2 is a schematic diagram of the internal spindle structure of the present utility model;

[0016] Figure 3 is a schematic diagram of the three-dimensional structure of the main body of the present utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the housing 3 of the present utility model.

[0018] In the figure: 1, mounting plate; 2, mounting hole; 3, housing; 301, heat dissipation plate; 302, anti-corrosion layer; 303, reinforcement layer; 4, oil return channel; 5, sealing block; 6, transformer; 7, braking body; 8, electronic rotor; 9, electronic stator; 10, bushing; 11, bearing; 12, core shaft. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] As Figure 1 - Figure 2 shown, a high-protection short-nose spindle includes a mounting plate 1 and a mounting hole 2. The mounting hole 2 is provided inside the mounting plate 1, and one side of the mounting plate 1 is fixedly connected to a housing 3. An oil return channel 4 is fixedly connected inside the housing 3, and a sealing block 5 is fixedly connected to the bottom of the oil return channel 4. Four groups of mounting holes 2 are provided inside the mounting plate 1, and the size of each group of mounting holes 2 is the same. The housing 3 plays a role in protecting the internal spindle mechanism. The sealing block 5 is connected to the folding part of the oil return pipe 4 to prevent liquid leakage and affect the rotation of the spindle.

[0021] As Figure 3 - Figure 4 shown, the housing 3 includes a heat dissipation plate 301 fixedly connected to one side of the mounting plate 1. An anti-corrosion layer 302 is fixedly connected to one side of the heat dissipation plate 301, and a reinforcement layer 303 is fixedly connected to one side of the anti-corrosion layer 302. A nano heat dissipation paint is added to the outside of the heat dissipation plate 301, which has the functions of high-speed heat dissipation and moisture resistance. The anti-corrosion layer 302 has good electrical insulation and water isolation properties. The reinforcement layer 303 is located on the outermost side of the housing 3 to improve the strength of the housing and prevent external damage to the housing.

[0022] Furthermore, a transformer 6 is movably connected to the top of the housing 3, and a braking body 7 is fixedly connected inside the housing 3. The transformer 6 is a detachable mechanism, which is convenient for installation and replacement according to needs. The braking body 7 is located at the outermost end of the spindle, and the braking body 7 is the power source of the spindle.

[0023] Furthermore, an electronic rotor 8 is provided on one side of the braking body 7, and an electronic stator 9 is fixedly connected inside the housing 3. The electronic rotor 8 and the electronic stator 9 are important components of the spindle, and they cooperate with each other to realize the operation of the spindle.

[0024] Furthermore, one end of the electronic rotor 8 is movably connected with a bushing 10, and a bearing 11 is fixedly connected inside the bushing 10. A mandrel 12 is fixedly connected inside the bearing 11, and the mandrel 12 penetrates through the inside of the housing 3. The inner groove of the bushing 10 is consistent with the bearing 11, and the bushing 10 plays a role in restricting the bearing 11.

[0025] Working principle: When using this high-protection short-nose end spindle, first, the housing 3 composed of a heat dissipation plate 301, an anti-corrosion layer 302, and a reinforcement layer 303 can be quickly installed at a fixed position through the mounting holes 2 inside the mounting plate 1. The liquid inside the oil return channel 4 ensures the lubrication of the spindle during operation. The sealing block 5 prevents liquid leakage. The transformer 6 can be replaced with different configurations according to needs. Then, the braking body 7 provides power. Finally, the electronic rotor 8 and the electronic stator 9 cooperate with each other to achieve the rotation of the spindle. Finally, the bushing 10 plays a role in restricting the bearing 11, and the mandrel 12 rotates with the bearing 11. This is the working principle of this high-protection short-nose end spindle.

Claims

1. A highly protective short nose spindle, characterized in that: The invention comprises a mounting plate (1) and a mounting hole (2), wherein the mounting plate (1) is provided with the mounting hole (2), and a housing (3) is fixedly connected to one side of the mounting plate (1), an oil return channel (4) is fixedly connected to the inside of the housing (3), and a sealing block (5) is fixedly connected to the bottom of the oil return channel (4).

2. A highly protective short nose spindle according to claim 1, characterized in that: The housing (3) comprises a heat sink (301) fixedly connected to one side of the mounting plate (1), an anti-corrosion layer (302) fixedly connected to one side of the heat sink (301), and a reinforcement layer (303) fixedly connected to one side of the anti-corrosion layer (302).

3. A highly protective short nose spindle according to claim 1, characterized in that: The top of the housing (3) is movably connected to a transformer (6), and the interior of the housing (3) is fixedly connected to a brake body (7).

4. A highly protective short nose spindle according to claim 3, characterized in that: An electronic rotor (8) is provided on one side of the brake body (7), and an electronic stator (9) is fixedly connected to the inside of the housing (3).

5. A highly protective short nose spindle according to claim 4, characterized in that: One end of the electronic rotor (8) is movably connected to a shaft sleeve (10), and the interior of the shaft sleeve (10) is fixedly connected to a bearing (11).

6. A highly protective short nose spindle according to claim 5, characterized in that: A core shaft (12) is fixedly connected to the interior of the bearing (11), and the core shaft (12) passes through the interior of the housing (3).

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