阅读说明：本技术 一种镟修集尘装置、数控不落轮镟床及工作方法 (Turning and repairing dust collecting device, numerical control turning machine without turning wheels and working method ) 是由 张用 侯飞 于飞 景元广 张方辉 冯志华 赵帅 李玉鑫 于 2021-09-14 设计创作，主要内容包括：本发明提供了一种镟修集尘装置、数控不落轮镟床及工作方法,包括透气室、过滤室和风机,过滤室上侧设置有风机,所述透气室与过滤室连通,所述透气室下侧设置有一进风口,且透气室内设置有导流板,通过风机作用,过滤室和透气室内呈负压状态,过滤室内可拆卸设置有若干过滤机构,过滤室底部设置有用于容纳因重力和惯性力作用下沉淀的一部分金属颗粒的容纳部,过滤机构用于过滤未沉淀的金属颗粒,所述风机上端设置有出风口。本发明解决了数控不落轮镟床镟修电客车和轨道工程车转向架车轮时在空气中所产生大量金属颗粒无法收集的难题,能够明显改善数控不落轮镟床操作人员的工作环境。(The invention provides a turning and repairing dust collecting device, a numerical control turning machine without wheel falling and a working method, the turning and repairing dust collecting device comprises a ventilation chamber, a filtering chamber and a fan, the fan is arranged on the upper side of the filtering chamber, the ventilation chamber is communicated with the filtering chamber, an air inlet is arranged on the lower side of the ventilation chamber, a guide plate is arranged in the ventilation chamber, the filtering chamber and the ventilation chamber are in a negative pressure state under the action of the fan, a plurality of filtering mechanisms are detachably arranged in the filtering chamber, a containing part for containing a part of metal particles precipitated under the action of gravity and inertia force is arranged at the bottom of the filtering chamber, the filtering mechanisms are used for filtering the metal particles which are not precipitated, and an air outlet is arranged at the upper end of the fan. The invention solves the problem that a large amount of metal particles generated in the air can not be collected when the numerical control lathe is used for repairing the electric bus and the bogie wheel of the rail engineering car, and can obviously improve the working environment of operators of the numerical control lathe.)

1. A turning repair dust collecting device is arranged at a turning repair part and is characterized in that: including ventilative chamber, filter chamber and fan, wherein:

the upper side of the filtering chamber is provided with a fan, the air permeable chamber is communicated with the filtering chamber, the lower side of the air permeable chamber is provided with an air inlet, a guide plate is arranged in the air permeable chamber, and the filtering chamber and the air permeable chamber are in a negative pressure state under the action of the fan;

can dismantle in the filter chamber and be provided with a plurality of filter mechanisms, filter chamber bottom is provided with the portion of holding that is used for holding because of gravity and the effect of inertia some metal particles that precipitate down, and filter mechanism is used for filtering the metal particle that does not precipitate, the fan upper end is provided with the air outlet.

2. A lathe repair dust collector as set forth in claim 1, wherein: the cross section size of filter chamber is greater than the gas-permeable chamber cross section size.

3. A lathe repair dust collector as set forth in claim 1, wherein: the fan is an axial flow fan;

or the fan is connected with the motor through a transmission device.

4. A lathe repair dust collector as set forth in claim 1, wherein: the air outlet is higher than the air inlet, and the air outlet has an angle deviation with the air inlet through the arc-shaped flow guide mechanism.

5. A lathe repair dust collector as set forth in claim 3, wherein: the motor is connected with a control loop containing a contactor, and the control loop is controlled in a contactor self-locking mode.

6. A lathe repair dust collector as set forth in claim 1, wherein: the filtering mechanism is a filter element, and the filter element is horizontally arranged in the filtering chamber.

7. A lathe repair dust collector as set forth in claim 1, wherein: an opening is provided in the sidewall of the filtration chamber to receive the filter mechanism.

8. A lathe repair dust collector as claimed in claim 7, wherein: and a sealing mechanism is arranged at the opening of the filtering chamber.

9. A numerical control turning lathe without wheel dropping is characterized in that: comprising the rotary repair dust collector device of any one of claims 1-8.

10. A method of operating a lathe repair dust collector as claimed in any one of claims 1 to 8, wherein: the method comprises the following steps:

starting the turning and repairing dust collecting device, and actuating the fan after the fan is electrified;

the fan rotates to enable the air permeable chamber and the filter chamber to be in a negative pressure state, the airflow containing the metal particles enters the air permeable chamber from the air inlet, and the guide plate presses the gas containing the metal particles into the filter chamber;

along with the sudden increase of the cross section of the airflow in the filtering chamber, a part of metal particles in the airflow are precipitated to the bottom under the action of gravity and inertia force; the other part of particles are deposited on the surface of the filter element through the combined effect of Brownian diffusion and a filter screen, and the purified air is discharged from the air outlet.

Technical Field

The invention belongs to the technical field of numerical control turning lathe for non-falling wheels, and particularly relates to a turning dust collecting device, a numerical control turning lathe for non-falling wheels and a working method.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

After the electric passenger car runs for a certain kilometer on a rail, the edge of the bogie wheel can be in an irregular shape. At this time, a numerical control lathe for turning the bogie wheels of the electric passenger car is required to make the edges of the wheels have standard sizes.

The numerical control lathe for the non-falling wheels can generate a large amount of chippings and even smaller metal particles to fly in the air in the process of turning the wheels of a bogie of an electric bus or a railway engineering vehicle, and most of the numerical control lathe for the non-falling wheels produced at home and abroad is free of the metal particle dust collecting devices after investigation.

Disclosure of Invention

The invention provides a turning-repairing dust collecting device, a numerical control non-drop wheel turning lathe and a working method in order to solve the problems, solves the problem that a large amount of metal particles generated in the air when the numerical control non-drop wheel turning lathe is used for turning electric passenger cars and bogie wheels of rail engineering cars cannot be collected, and can obviously improve the working environment of operators of the numerical control non-drop wheel turning lathe.

According to some embodiments, the invention adopts the following technical scheme:

in a first aspect, a turning-lathe dust collecting device is provided, which is disposed at a turning-lathe position, and includes a ventilation chamber, a filtering chamber and a fan, wherein:

the upper side of the filtering chamber is provided with a fan, the air permeable chamber is communicated with the filtering chamber, the lower side of the air permeable chamber is provided with an air inlet, a guide plate is arranged in the air permeable chamber, the filtering chamber and the air permeable chamber are in a negative pressure state under the action of the fan, and air containing metal particles enters the air permeable chamber from the air inlet and enters the filtering chamber under the action of the guide plate;

can dismantle in the filter chamber and be provided with a plurality of filter mechanisms, filter chamber bottom is provided with the portion of holding that is used for holding because of gravity and the partial metal particle that the inertial force effect down precipitated, and filter mechanism is used for filtering the metal particle that does not precipitate, the fan upper end is provided with the air outlet, and the air after the filtration is discharged by the air outlet.

As an alternative, the cross-section of the filter chamber is larger than the size of the cross-section of the gas permeable chamber. The design is beneficial to leading the airflow containing the metal particles to enter the filtering chamber, and larger metal particles are better precipitated due to the sudden increase of the airflow section.

In an alternative embodiment, the fan is an axial fan;

or the fan is connected with the motor through a transmission device.

In an alternative embodiment, the air outlet is located higher than the air inlet, and the air outlet is angularly offset from the air inlet by an arc-shaped flow guide mechanism.

As a further limitation, the motor is connected with a control loop containing a contactor, and the control loop is controlled in a contactor self-locking mode.

In an alternative embodiment, the filter mechanism is a filter element, and the filter element is horizontally arranged in the filter chamber.

In an alternative embodiment, the side wall of the filter chamber is provided with an opening to receive the filter means. And facilitates the disassembly of the filter mechanism.

As a further limitation, a sealing mechanism is provided at the opening of the filter chamber.

In a second aspect, a numerically controlled lathe for machining wheels without turning wheels is provided, which comprises the turning dust collecting device.

In a third aspect, an operating method of the turning dust collecting device is provided, which includes the following steps:

starting the turning and repairing dust collecting device, and starting the action after the fan is electrified;

the fan rotates to enable the air permeable chamber and the filter chamber to be in a negative pressure state, the airflow containing the metal particles enters the air permeable chamber from the air inlet, and the guide plate presses the gas containing the metal particles into the filter chamber;

along with the sudden increase of the cross section of the airflow in the filtering chamber, a part of metal particles in the airflow are precipitated to the bottom under the action of gravity and inertia force; the other part of particles are deposited on the surface of the filter element through the combined effect of Brownian diffusion and a filter screen, and the purified air is discharged from the air outlet.

Compared with the prior art, the invention has the beneficial effects that:

the invention solves the problem that a large amount of metal particles generated in the air can not be collected when the numerical control lathe turning repair electric passenger car and the bogie wheel of the rail engineering car are used, can reduce occupational diseases to a certain extent, protects the health of operators of the numerical control lathe turning repair electric passenger car and the bogie wheel of the rail engineering car, and has high application value.

The device adopts contactor self-locking control, can ensure the working safety and stability of the motor and the fan, when metal particles need to be cleaned, the device is powered off, the detachable filter element of the filter chamber is taken out, and then the detachable filter element is installed and reset after coarse metal particles are cleaned from the bottom of the filter chamber, so that the whole process is simple and convenient, and the working environment of operators of the numerical control turning lathe for the wheels is obviously improved.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a schematic diagram of the overall structure of at least one embodiment of the present invention;

fig. 2 is a top view of the overall structure of at least one embodiment of the present invention.

Wherein, 1, air intake, 2, ventilative chamber, 3, filter chamber, 4, fan, 5, air outlet, 6, motor, 7, can dismantle the filter core.

The specific implementation mode is as follows:

the invention is further described with reference to the following figures and examples.

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.

In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.

As mentioned in the background, after a certain number of kilometers of rail operation in a rail car, the truck wheels need to be turned in a numerically controlled non-drop wheel lathe. And (3) stopping the bogie wheels to be turned to the correct turning position of the numerical control non-falling wheel lathe by the public-railway dual-purpose tractor traction electric passenger car, powering on the numerical control non-falling wheel lathe to fix the jaws on the bogie wheels, and generating a large amount of metal particles in the air in the turning process.

The first embodiment is as follows:

in order to solve the above problems, as shown in fig. 1 and 2, a turning tool turning dust collecting device for a numerical control lathe is provided, which is disposed at a turning part of the numerical control lathe and includes an air inlet 1, a ventilation chamber 2, a filter chamber 3, a fan 4, a motor 6 and an air outlet 5.

Wherein, the fan 4 and the motor 6 are connected together through a transmission device, and the fan provides wind source power for the whole dust collecting device. When the motor 6 is electrified to rotate and drive the fan 4 to rotate, the designed filter cylinder type dust collector operates under negative pressure, and metal particles generated in the air when the numerical control lathe is used for turning and repairing the bogie wheel can be pressed into the dust collecting device.

When the air inlet 1 is used for turning the bogie wheel by a numerical control lathe without turning wheels, metal particles generated in the air enter the air permeable chamber 2 through the air inlet 1 positioned at the bottom of the air permeable chamber 2.

A guide plate is arranged in the air permeable chamber 2, and the airflow containing the metal particles is compressed to enter the filter chamber 3 through the guide plate.

The filter chamber 3 is used for filtering and separating the air containing the metal particles to obtain the metal particles, and the filtered air enters the air outlet 5 to be discharged. After the air containing metal particles enters the filter chamber 3, under the action of gravity, inertia force and the like, the coarse metal particles are precipitated

Then, the step of; the particles with fine particle size and small density deposit dust on the surface of the detachable filter element 7 through the combined effects of Brownian diffusion, sieving and the like.

The air outlet 5 is used for discharging purified air through the device, the air outlet 5 is arranged on the upper side of the fan 4, the position of the air outlet 5 is higher than that of the air inlet 1, and the air outlet 5 has angle deviation with the air inlet 1 through the arc-shaped flow guide mechanism.

The motor 6 installed on the turning dust collecting device is controlled by adopting a contactor self-locking mode. When the numerical control turning lathe without turning wheels is electrified to start turning the bogie wheels, an operator presses a turning dust collecting device starting button to control the AC contactor of the motor to be self-locked, the contactor coil is electrified, and the motor rotates. After the numerical control turning lathe for turning the turning bogie wheels without turning wheels, the dust collecting device can filter and adsorb metal particles generated by turning the turning bogie wheels in the detachable filter element 7.

The detachable filter element 7 can be replaced according to specific use frequency or timing, and the detachable filter elements 7 are multiple and are transversely or horizontally arranged in the filter chamber 3. The filter chamber 3 is provided with an opening in a side wall for receiving a removable filter cartridge 7.

In some embodiments, a sealing ring may be added at the opening to ensure the sealing performance of the filtering chamber 3 during operation.

In the use, if need clear up the metal particle of the coarse granule that sediment at the bottom of the filtration chamber bottom, cut off the power supply earlier with the device, take out the filter core 7 dismantled of filtration chamber, clear up the metal particle of coarse granule here again. After cleaning, the detachable filter element 7 is installed and reset.

Example two:

the working method of the device of the first embodiment comprises the following steps:

starting the turning and repairing dust collecting device, closing a contactor connected with a motor in a self-locking way, and starting the motor and a fan to act after the motor and the fan are electrified;

the fan rotates to enable the air permeable chamber and the filter chamber to be in a negative pressure state, the airflow containing the metal particles enters the air permeable chamber from the air inlet, and the guide plate presses the gas containing the metal particles into the filter chamber;

along with the sudden increase of the cross section of the airflow in the filtering chamber, a part of metal particles in the airflow are precipitated to the bottom under the action of gravity and inertia force; the other part of particles are deposited on the surface of the filter element through the combined effect of Brownian diffusion and a filter screen, and the purified air is discharged from the air outlet.

Example three:

the difference between the present embodiment and the first embodiment is:

the axial flow fan is selected as the fan of this embodiment.

The fan of the embodiment does not need to be connected with a driving mechanism such as a motor.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like which do not require creative efforts of those skilled in the art within the spirit and principle of the present invention shall be included in the protection scope of the present invention.