CN220197051U

CN220197051U - Dust removal structure and processing equipment

Info

Publication number: CN220197051U
Application number: CN202321459292.6U
Authority: CN
Inventors: 杨晓宏; 韩生
Original assignee: Meritech Shenzhen Co ltd
Current assignee: Meritech Shenzhen Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-19
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a dust removing structure and processing equipment, wherein the dust removing device comprises: machining a main shaft; the unpowered fan body is sleeved on the outer edge of the lower end of the processing main shaft, and one side of the unpowered fan body, which faces the raw materials, is provided with fan blades; the fan blades are used for driving the air flow to move so as to blow away scraps in the processing area; the unpowered fan body is used for rotating synchronously with the processing main shaft. Compared with the existing blowing technology, the dust removing structure provided by the utility model does not need an additional driving source and an air source, so that the dust removing structure is more convenient, economical and practical; meanwhile, the blades can be driven to rotate by utilizing air flow generated when the processing main shaft of the processing equipment rotates, so that the rotation of the fan is realized; in addition, the nozzle is not needed, so that the problem of reduced manufacturing quality of the workpiece caused by improper design and position of the nozzle is avoided.

Description

Dust removal structure and processing equipment

Technical Field

The utility model relates to the technical field of machining, in particular to a dust removing structure and machining equipment.

Background

The processing equipment is special for manufacturing workpieces, adopts advanced numerical control processing technology, and can efficiently and accurately manufacture the workpieces through digital design and processing flow. The processing equipment is generally provided with advanced sensors, a computer control system and a multi-axis processing system, and can automatically complete the functions of designing, processing, detecting and the like of a workpiece. Compared with the traditional manual manufacturing method, the processing equipment has the advantages of short manufacturing period, high precision, low cost and the like, and has become one of important equipment in various fields.

However, there are still some problems to be solved in the processing using the processing equipment. For example, when processing certain materials, a large amount of debris and high spindle heat may be generated, which may negatively impact workpiece quality and equipment life, and thus an effective solution is needed.

In order to solve these problems, one of the existing solutions is to use an air blowing technique. The blowing technology realizes the functions of main shaft cooling and chip blowing by utilizing the modes of air supply by an air source, air supply by a pipeline and air injection by a nozzle. The technology has the advantages of simplicity, easiness, low cost and the like, and can effectively solve the problems of scraps, heat and the like in the manufacturing process of processing equipment.

However, the blowing technique has some drawbacks in practical applications. For example, the design and location of the nozzle has a significant impact on the blowing effect, and improper design or location may result in reduced quality of the workpiece, such as debris not being effectively blown off or the surface of the workpiece not being sufficiently cleaned.

Accordingly, there is a need for further improvements and optimization of the blowing technique to enhance its application and stability.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a dust removing structure and a processing device, which aims to solve the problem that in the prior art, the design and the position of a nozzle in practical application easily cause the degradation of the manufacturing quality of a workpiece in the blowing technology.

The technical scheme of the utility model is as follows:

a dust removal structure, comprising:

machining a main shaft;

the unpowered fan body is sleeved on the outer edge of the lower end of the processing main shaft, and one side of the unpowered fan body, which faces the raw materials, is provided with fan blades;

the fan blades are used for driving the air flow to move so as to blow away scraps in the processing area;

the unpowered fan body is used for rotating synchronously with the processing main shaft.

The effect of above-mentioned scheme lies in: the working principle of the dust removing structure provided by the utility model is as follows: 1. the unpowered fan body and the processing main shaft synchronously rotate, and a motor or other power drive is not needed, so that the complexity and the cost of the system are reduced; 2. the blade structure of the unpowered fan body can drive the blades to rotate by utilizing the air flow generated when the processing main shaft rotates, so that the air flow is generated, and the functions of heat dissipation, dust removal and the like are realized; 3. the blade structure of the unpowered fan body can be adjusted according to the rotating speed of the processing main shaft so as to ensure the optimal working efficiency and heat dissipation effect of the fan;

based on the working principle, the dust removing structure provided by the utility model has the following advantages: 1. the system structure is simplified, the cost is reduced, and meanwhile, the maintenance and the failure rate are reduced; 2. no extra electric drive is needed, and the safety and stability of the system are ensured; 3. the device can be adjusted according to the rotating speed of the processing main shaft, so that the best heat dissipation, dust removal and energy saving effects are realized; 4. the blade structure of the unpowered fan body can be designed according to actual requirements so as to meet different processing environments and requirements;

compared with the existing blowing technology, the dust removing structure provided by the utility model does not need an additional driving source and an air source, so that the dust removing structure is more convenient, economical and practical; meanwhile, the blades can be driven to rotate by utilizing air flow generated when the processing main shaft of the processing equipment rotates, so that the rotation of the fan is realized; in addition, the nozzle is not needed, so that the problem of reduced manufacturing quality of the workpiece caused by improper design and position of the nozzle is avoided.

In a further preferred aspect, the dust removing structure further includes: the screw thread is used for fixing the unpowered fan body on the jackscrew of the processing main shaft, the middle part of the jackscrew is in threaded connection with the unpowered fan body, and the tail end of the screw is used for pressing a main shaft core of the processing main shaft.

The effect of above-mentioned scheme lies in: the optional connection modes of the unpowered fan body and the processing main shaft are various, such as interference fit, limit nut installation and jackscrew installation; for interference fit and installation limit nut, jackscrew connected mode has following several advantages: 1. the stability is better: the fixed pin connection mode can ensure that the position between the unpowered fan body and the processing main shaft is fixed, and swing or loosening is not easy to occur, so that the vibration and noise of the machine are reduced, and the processing precision is improved; 2. the installation is more convenient: compared with interference fit and installation of limit nuts, the fixing pin is more convenient and quick to install, and special tools or skills are not needed. Fixing can be completed only by inserting the fixing pins into the corresponding holes and rotating the fixing pins by a certain angle; 3. the cost is lower: the fixing pin is a simple connection mode, and compared with other connection modes, the cost is lower, so that the manufacturing cost can be reduced. In summary, the fixing pin connection mode has the advantages of good stability, convenient installation, low cost and the like, and is suitable for connection between the unpowered fan body and the processing main shaft.

In a further preferred embodiment, the angle of inclination of the blades is between 10 ° and 30 °.

The effect of above-mentioned scheme lies in: the utility model sets the inclination angle of the fan blade between 10 DEG and 30 DEG because: firstly, the inclination angle of the fan blade is related to the included angle of the air inlet flow, when the inclination angle is smaller than 10 degrees, the air inlet flow speed is higher, the included angle of the fan blade and the air inlet flow is small, and dust, scraps and other substances in a processing area are difficult to blow away effectively; when the inclination angle is larger than 30 degrees, the inlet air flow speed is reduced, the included angle between the fan blades and the inlet air flow is increased, and the blowing efficiency is reduced; therefore, the inclination angle of the fan blade is set between 10 degrees and 30 degrees, the air inlet speed is not too high, and meanwhile, the included angle between the fan blade and the air inlet flow can be increased, so that dust, scraps and other substances in a processing area are more easily blown away by the fan blade. Secondly, the inclination angle of 10 degrees to 30 degrees can also effectively dissipate heat; in the processing process, the main shaft generates heat, if heat is not dissipated in time, the temperature of the main shaft is too high, so that the processing precision and the service life of a machine are affected; the rotation of the fan blades can generate air flow to take away heat around the main shaft, so that the aim of heat dissipation is fulfilled; the inclination angle of 10 degrees to 30 degrees can balance the collection efficiency and the heat dissipation efficiency of the fan blade on the air inlet flow, and not only can effectively collect dust, scraps and other substances, but also can effectively dissipate heat, so that the cleanliness of a processing position and the normal operation of a main shaft are ensured. Therefore, the inclination angle of the fan blade is set between 10 degrees and 30 degrees, so that the air inlet flow speed is not too high, the blowing efficiency of dust, chips and other substances can be improved, and meanwhile, heat can be effectively dissipated, and the cleanliness of a processing position and the normal operation of a main shaft can be guaranteed.

In a further preferred embodiment, the number of said blades is an odd number.

The effect of above-mentioned scheme lies in: the number of fan blades is set to be an odd number in order to:

1. asymmetric airflow distribution: by using an odd number of blades, an asymmetric airflow distribution is achieved; the asymmetric arrangement of the fan blades can generate a complex airflow mode, so that scraps and dust in a processing area can be blown away more effectively; but also is helpful to enhance the dust removal effect, especially in complex processing environment;

2. accurate scrap blowing: because the number of the fan blades is odd, the position of each fan blade is relatively asymmetric; this asymmetric arrangement can precisely direct the airflow to a specific area, with targeted dust and debris blowing away; by adjusting the angle and the position of the fan blade, more accurate and efficient scrap blowing can be realized, and the cleanliness and efficiency in the processing process are improved;

3. dynamic balance and stability: the odd number of fan blades enables the dust removing structure to realize dynamic balance and stability when rotating; through the accurate design of the position and the gravity center of the fan blade, unbalanced moment during rotation can be reduced, vibration and noise of the machine are reduced, and stability and reliability of a system are improved;

in summary, the number of the fan blades is set to be an odd number in the dust removing structure, so that the technical effects of asymmetric airflow distribution, accurate chip blowing and dynamic balance and stability can be realized; these effects help to improve the accuracy and efficiency of the dedusting effect and meet the requirements in a particular processing environment.

In a further preferred embodiment, the number of said blades is 7.

The effect of above-mentioned scheme lies in: by setting the number of the fan blades to 7, a relatively balanced layout is realized, and compared with the number of the fan blades, the layout of the 7 fan blades can better cover a processing area and ensure uniform distribution of air flow; therefore, the dust removing device can effectively blow away scraps and dust, improve the dust removing effect and avoid dead zones in a processing area.

In a further preferred scheme, the fan blades are provided in plurality, the outer edge of the unpowered fan body is provided with a reinforcing ring, and the reinforcing ring is connected with the fan blades.

The effect of above-mentioned scheme lies in: the utility model is provided with a reinforcing ring for the purpose of: 1. and the structural strength is enhanced: the reinforcing ring can effectively enhance the structural strength of the unpowered fan body, so that the pressure and the centrifugal force generated by air flow can be better borne, and the long-time stable operation of processing equipment is ensured; 2. improving the air flow efficiency: the design of connecting a plurality of fan blades can improve the air flow efficiency of the unpowered fan body, generate larger air flow and air flow speed, and therefore can better remove dust and fragments in a processing area and ensure the processing precision and quality; 3. noise reduction: the arrangement of the reinforcing ring can effectively reduce the vibration and noise of the unpowered fan body, thereby creating a quieter working environment.

In a further preferred embodiment, the fan blade penetrates through the reinforcing ring, a fan blade main body is formed below the reinforcing ring, and a fan blade nipple is formed above the reinforcing ring.

The effect of above-mentioned scheme lies in: the utility model is so arranged that: 1. improve the intensity and the stability of flabellum structure: through the design that the fan blade penetrates through the reinforcing ring, the reinforcing ring and the fan blade main body form a whole, and the structural strength of the fan blade is effectively enhanced; the design can better resist the pressure and centrifugal force generated by the air flow, thereby ensuring the long-time stable operation of processing equipment and preventing the deformation or damage of the fan blades caused by the air flow pressure; 2. improving the efficiency and cleaning ability of the air flow: the main fan blade body is a main part of the fan blade and can generate larger air flow and air flow speed; the design is helpful for enhancing the thrust of the air flow, so that dust, scraps and other sundries in a processing area can be removed better; the impurities are effectively removed, so that the machining precision and quality can be ensured, and the damage of dust or scraps to key parts such as a main shaft and the like can be reduced; 3. stability and tightness of air flow are improved: the design of the fan blade nipple is beneficial to increasing the stability of the air flow and reducing the fluctuation and leakage of the air flow; the fan blade nipple is positioned above the reinforcing ring and plays a role in preventing air flow from leaking upwards; the design keeps the compact flow of the air flow, effectively prevents sundries such as dust, chips and the like from entering the main shaft area, and therefore damage and faults of the main shaft are avoided.

In a further preferred embodiment, the blades are circular arc-shaped, the width of which gradually decreases from one end facing away from the processing spindle to the other end.

The effect of above-mentioned scheme lies in: the arc-shaped fan blades can enable the air flow to be more stable, and the theoretical basis of the arc-shaped fan blades is an adherence effect and a streamline effect in the aerodynamic; when the gas contacts the solid surface, the gas flows along the surface due to the action of the viscosity force to form an adhesive layer called a boundary layer; the thickness of the boundary layer increases with the distance from the surface, and when the gas flows, the gas in the boundary layer is influenced by the solid surface, the flow speed is gradually reduced, and meanwhile, the streamline is gradually bent; when the air flows through the fan blades, the arc-shaped design of the fan blades can enable the air streamline to be gradually bent and then stabilized, so that turbulent or too strong air flow is avoided.

In a further preferred aspect, the unpowered fan body is integrally formed with the fan blade.

The effect of above-mentioned scheme lies in: in the use process, the unpowered fan body can rotate continuously, so that the fan blades need to bear the action of centrifugal force and inertia force; the fan blade and the unpowered fan are integrally formed, so that the whole structure is firmer, larger stress and torque can be born, and the stability and the service life of the dust removing device are ensured.

A processing apparatus comprising a dust removal structure as described above. Because the processing equipment comprises all technical characteristics of the dust removing structure, the processing equipment also has all technical effects of the dust removing structure and is not repeated.

Compared with the prior art, the dust removing structure provided by the utility model comprises the following components: machining a main shaft; the unpowered fan body is sleeved on the outer edge of the lower end of the processing main shaft, and one side of the unpowered fan body, which faces the raw materials, is provided with fan blades; the fan blades are used for driving the air flow to move so as to blow away scraps in the processing area; the unpowered fan body is used for rotating synchronously with the processing main shaft. Compared with the existing blowing technology, the dust removing structure provided by the utility model does not need an additional driving source and an air source, so that the dust removing structure is more convenient, economical and practical; meanwhile, the blades can be driven to rotate by utilizing air flow generated when the processing main shaft of the processing equipment rotates, so that the rotation of the fan is realized; in addition, the nozzle is not needed, so that the problem of reduced manufacturing quality of the workpiece caused by improper design and position of the nozzle is avoided.

Drawings

Fig. 1 is a schematic structural view of a dust removing structure in a preferred embodiment of the present utility model.

Fig. 2 is a schematic view showing the installation position of the jackscrew used in the dust removing structure according to the preferred embodiment of the present utility model.

FIG. 3 is a schematic diagram of an unpowered fan used in the dust removing structure according to the preferred embodiment of the present utility model.

The reference numerals in the figures illustrate:

100 parts of processing main shaft, 200 parts of unpowered fan body, 300 parts of fan blade, 210 parts of mounting hole for mounting jackscrews, 220 parts of reinforcing ring, 310 parts of fan blade main body and 320 parts of fan blade pup joint.

Detailed Description

The utility model provides a dust removing structure and processing equipment, which are used for making the purposes, technical schemes and effects of the utility model clearer and more definite, and the utility model is further described in detail below by referring to the accompanying drawings and examples.

The present utility model provides a dust removing structure, as shown in fig. 1, comprising: the machining spindle 100, the unpowered fan body 200 and the fan blades 300, in a preferred embodiment, the unpowered fan body 200 and the fan blades 300 form a unpowered fan, and in other further embodiments, the unpowered fan may further include other components, for example, as described below; the unpowered fan body 200 is sleeved on the outer edge of the lower end of the processing main shaft 100, and a fan blade 300 is arranged on one side of the unpowered fan body, which faces the raw materials; fan blades 300 for moving the air flow to blow away the chips in the processing area; the unpowered fan body 200 is configured to rotate synchronously with the processing spindle 100.

It will be appreciated that, in particular implementations, those skilled in the art may make and adapt the scheme according to particular usage scenarios and requirements, such as:

1. the connection mode of the unpowered fan body 200 and the processing main shaft 100 can adopt the modes of threaded connection, clamping connection, conical connection and the like; the threaded connection can strengthen the connection strength, the clamping connection can be convenient to detach and replace, and the conical connection can improve the accuracy and stability of connection;

2. the structure of the fan 300 may be designed according to the size and shape of the processing region; for example, a mode of splicing a plurality of blades can be adopted, so that the airflow area and the heat dissipation effect are increased; or adopting a design of bending blades to increase the strength of air flow and the aggregation effect; in addition, an air flow guide plate may be disposed at the end of the fan blade 300 to increase the concentration and guiding effect of the air flow;

3. in order to increase the stability and safety of the dust removing device, a shock absorbing device or an anti-slip device may be provided between the unpowered fan body 200 and the machining spindle 100; vibration and noise can be reduced by the damping device, and the anti-slip device can prevent the device from sliding or separating from the processing spindle 100;

4. in order to improve the dust removing efficiency of the dust removing device, a filter screen or a dust removing screen may be provided between the fan blade 300 and the fan body to filter and catch the chips and dust, preventing them from entering the processing area;

5. in order to increase the flexibility and adaptability of the dust removal device, the design of the adjustable blades can be adopted; the adjustable blades can be provided with different blade angles and curvatures according to different processing requirements and environments, so that the best heat dissipation and dust removal effects are achieved;

6. in order to increase the cleaning and maintenance convenience of the dust removing device, a detachable design may be provided between the fan body and the blade 300; the detachable design can facilitate cleaning and replacement of the fan blade 300, reducing maintenance costs and time.

According to the dust removing device provided by the utility model, the unpowered fan body 200 and the fan blades 300 are arranged at the outer edge of the lower end of the processing main shaft 100, so that scraps in a processing area can be effectively blown away, and the problem that scraps are accumulated in the processing process to interfere with the processing accuracy of the engraving knife is solved. The design of the unpowered fan can realize the dust removal effect and improve the processing quality on the premise of not influencing the processing performance of processing equipment. In addition, the fan blade 300 is arranged and drives the air flow to move, so that scraps can be effectively blown out of a processing area, accumulation and interference are avoided, and the processing efficiency is ensured. Because no additional power source is needed, the implementation of the technical scheme is simple and feasible, has higher economy and practicability, and is a novel technical scheme of the dust removing device with wide application prospect.

In a further preferred embodiment, as shown in fig. 2, the dust removing structure further comprises: a jackscrew (jackscrew is not shown, and 210 in fig. 2 is shown as a mounting hole for mounting the jackscrew) for fixing the unpowered fan body 200 to the machining spindle 100, wherein the center of the jackscrew is screwed to the unpowered fan body 200, and the tail end is used for pressing the spindle core of the machining spindle 100.

It can be appreciated that, based on the basic technical solution provided by the present utility model, there are various alternative connection manners between the unpowered fan body 200 and the processing spindle 100, for example:

1. interference fit connection mode: the sizes of the unpowered fan body 200 and the processing main shaft 100 are designed to be slightly different through high-precision processing, and the unpowered fan body 200 and the processing main shaft 100 are connected together in an interference fit mode;

2. the connection mode of the installation limit nut is as follows: a nut is arranged at the tail end of the processing main shaft 100, and the unpowered fan body 200 is fixed on the processing main shaft 100 by adjusting the position of the nut;

3. the magnetic connection mode is as follows: the unpowered fan body 200 is adsorbed on the processing main shaft 100 by the magnetic adsorption principle, and no fixing piece is needed for connection with the processing main shaft 100;

4. the connection mode of the spring clamp ring is as follows: the unpowered fan body 200 is clamped on the processing main shaft 100 through the elastic bayonet, and the connection with the processing main shaft 100 receives the force of the spring, so that the unpowered fan has certain stability.

The utility model further limits the connection of the two to a jackscrew press because the jackscrew press has the advantages of better stability, more convenient installation, lower cost and the like compared with other connection modes. Through the middle part threaded connection of jackscrew to unpowered fan body 200, the tail end is used for compressing tightly the setting of processing main shaft 100 main shaft core, can be effectively with unpowered fan body 200 and processing main shaft 100 connection fixed, keeps its fixed position unchanged, avoids appearing swing and not hard up scheduling problem in the course of working, improves machining precision and efficiency. In addition, the jackscrew is used for compressing the connection mode, no special tool or skill is needed, the installation is very convenient and quick, and the connection mode is lower in cost and more practical. Therefore, the dust removing device adopts a jackscrew compression connection mode, so that the requirements of a processing technology can be better met, and the processing efficiency and the processing quality are improved.

According to another aspect of the present utility model, the present utility model provides the fan blade 300 with an inclination angle of between 10 ° and 30 °. In order to meet the needs of different processing scenarios, the present utility model provides various embodiments for selection, including:

1. adjusting the inclination angle of the fan blade 300: through designing the adjustable fan blade 300 structure, the adjustment of the inclination angle of the fan blade 300 is realized, so as to achieve the optimal air inlet flow velocity and dust and debris blowing effect;

2. the multi-layer fan blade 300 structure is adopted: dividing the fan blade 300 into multiple layers, wherein the inclination angles of the fan blades 300 at each layer are different, so that the included angle between the fan blade 300 and the air inlet flow is increased, and the dust and debris blowing efficiency is improved;

3. increasing the number of fan blades 300: increasing the number of the fan blades 300, and reducing the distance between the fan blades 300 so as to improve the dust and debris blowing efficiency;

4. the turbine blade 300 is adopted: the turbine blade 300 structure can increase the included angle between the blade 300 and the air inlet flow, improve the blowing efficiency, increase the heat dissipation area and improve the heat dissipation efficiency.

The present utility model has the technical effects that the inclination angle of the fan blade 300 is between 10 ° and 30 °, and the following three aspects can be explained:

1. influence of the angle of inclination of the fan blade 300 on the inlet air flow speed and the angle: the angle of inclination of the fan 300 is closely related to the angle of the inlet air flow; when the inclination angle is smaller than 10 degrees, the inlet air flow speed is higher, the included angle between the fan blade 300 and the inlet air flow is small, and the blowing effect is not ideal; when the inclination angle is larger than 30 degrees, the velocity of the air inlet flow is reduced, the included angle between the fan blade 300 and the air inlet flow is increased, and the blowing effect is reduced; therefore, the inclination angle of the fan blade 300 is set between 10 degrees and 30 degrees, so that the included angle between the fan blade 300 and the air inlet flow can be increased under the condition that the air inlet flow speed is not influenced, and the blowing efficiency is improved;

2. influence of the inclination angle of the fan blade 300 on the heat radiation effect: the rotation of the fan blades 300 can generate air flow to take away heat around the main shaft, so as to play a role in heat dissipation; the inclination angle is between 10 degrees and 30 degrees, so that the efficiency of collecting and radiating the air flow by the fan blade 300 can be balanced, and substances such as dust and fragments can be effectively collected and radiated, thereby ensuring the cleanliness of a processing position and the normal operation of a main shaft;

3. influence of the inclination angle of the fan blade 300 on the machining precision and the service life: the main shaft can generate heat in the processing process, if heat is not dissipated in time, the temperature of the main shaft is too high, so that the processing precision and the service life of a machine are affected; the fan blade 300 structure adopting the inclination angle of 10 degrees to 30 degrees can effectively dissipate heat, and avoid the overhigh temperature of the main shaft, thereby ensuring the processing precision and the service life;

in summary, the inclination angle of the fan blade 300 is set between 10 ° and 30 °, which can give consideration to the blowing efficiency and the heat dissipation efficiency, ensure the cleanliness of the processing position and the normal operation of the spindle, and improve the processing precision and the service life.

Preferably, the number of the fan blades 300 is an odd number, and particularly preferably 7. The design choice has the following technical effects: 1. balanced airflow distribution: setting the number of fan blades 300 to an odd number of blades can achieve more uniform airflow distribution; the fan blades with odd number can ensure that the air flow forms a stable rotation center at the center position, so that the air flow is uniformly distributed in the processing area, and the effect of chip blowing is improved. 2. Improving the scrap blowing efficiency: increasing the number of the fan blades 300 can increase the airflow area and the blowing force, so that the efficiency of the debris blowing is effectively improved; through the rotation of the fan blade 300, the generated air flow can more fully cover the processing area, and the chips are blown out of the processing area rapidly, so that accumulation and interference are reduced, and the processing efficiency is ensured. 3. Promote the dust removal effect: increasing the number of fan blades 300 can increase the aggregation and guiding effects of the air flow and improve the dust removal effect; the fan blade 300 drives the air flow to form stronger air flow power, effectively captures and eliminates dust and scraps in the processing area, and keeps the cleanliness of the processing position. 4. Enhancing heat dissipation capability: the air flow generated by the rotation of the fan blades 300 can take away the heat around the processing main shaft, so that the heat dissipation capacity is enhanced; by increasing the number of the fan blades 300, the heat radiation area and the air flow rate can be increased, the temperature of the main shaft can be effectively reduced, and the normal operation and stability of the processing equipment can be maintained. That is, the number of the fan blades 300 is set to be an odd number, and particularly preferably 7, so that more uniform air flow distribution can be realized, the dust blowing efficiency and dust removal effect are improved, meanwhile, the heat dissipation capacity is enhanced, and the cleanliness of a processing position and the normal operation of a main shaft are ensured.

Preferably, a plurality of blades 300 are provided, the outer edge of the unpowered fan body 200 is provided with a reinforcing ring 220, and as shown in fig. 3, the reinforcing ring 220 is connected with the plurality of blades 300.

The technical effect of this technical scheme specifically includes from different angles:

1. structural strength angle: the reinforcement ring 220 can effectively enhance the structural strength of the unpowered fan, so that the unpowered fan can better bear the pressure and centrifugal force generated by air flow, and the durability and the stable running time of the unpowered fan are improved;

2. airflow efficiency angle: the design of the connection of the plurality of blades 300 can improve the air flow efficiency of the unpowered fan, thereby generating larger air flow and air flow speed, enabling the unpowered fan to better remove dust and fragments in a processing area and improving the processing precision and quality;

3. noise reduction angle: the provision of the reinforcing ring 220 can effectively reduce vibration and noise of the unpowered fan, thereby creating a quieter working environment, reducing working pressure of staff and improving working efficiency.

Further, the fan blade 300 is disposed through the stiffener ring 220, and forms a fan blade body 310 below the stiffener ring 220, and forms a fan blade nipple 320 above the stiffener ring 220. The arrangement has the following technical effects: first, the main function of the blade nipple 320 is to blow air outward, preventing dust, debris and other debris from entering the spindle area, thereby protecting the spindle from damage. Secondly, the fan 300 is formed into a whole through the design of penetrating the reinforcing ring 220, so that the structural strength of the fan 300 is enhanced, the fan can better bear the pressure and the centrifugal force generated by the air flow, and the durability and the stable running time of the fan are improved. In addition, the blade body 310 generates strong air flow, effectively eliminates dust and scraps in the processing area, and improves the processing precision and quality. Meanwhile, the design of the fan blade pup joint 320 increases the stability of the air flow, prevents the fluctuation and leakage of the air flow, and ensures the efficient operation of the whole system. In summary, the air blowing effect and the structural strength of the fan blade nipple 320 are enhanced, so that the protection of the main shaft area and the improvement of the air flow efficiency are realized, and important guarantee is provided for the improvement of the reliability, the stability and the processing quality of the processing equipment.

According to another aspect of the present utility model, the blade 300 has a circular arc shape, and the width thereof gradually decreases from one end facing away from the processing spindle 100 to the other end (as can be seen in fig. 1 to 3). The technical effects of this setting include: 1. smooth angle of air flow: the arc-shaped fan blade 300 can gradually bend and stabilize the air flow line, thereby avoiding the occurrence of air flow disorder or too strong air flow and improving the processing precision and quality. 2. Angle of gas adhesion: when the gas contacts with the solid surface, the gas flows along the surface due to the action of the viscosity force to form an adhesive layer called a boundary layer; the arc-shaped fan blade 300 is designed to enable the gas in the boundary layer to be influenced by the solid surface, the flow speed is gradually reduced, and accordingly, the gas flow efficiency and stability are improved.

It can be understood that, under the circumstances of the disclosure of the present utility model, those skilled in the art can perform the shape design of the fan blades 300, the material selection of the fan blades 300, the number and size design of the fan blades 300, the simulation and the airflow stability analysis according to specific usage situations, so as to perform the adaptive selection and adjustment of the relevant settings, which cannot be listed one by one, but it can be understood that all the technical solutions obtained according to the disclosure of the present utility model are all within the protection scope of the present utility model.

Preferably, the unpowered fan body 200 is integrally formed with the fan blade 300. The purpose of the present utility model is to integrally mold the unpowered fan body 200 and the fan blade 300: 1. ensuring the firm structure: the fan blade 300 and the unpowered fan body 200 are integrally formed, so that the whole structure is firmer, and therefore, the fan blade can bear larger stress and torque, and the stability and the service life of the dust removing device are ensured; 2. improving the stress and torque bearing capacity of the fan blade 300: during use, the unpowered fan rotates continuously, so that the fan blades 300 need to bear the action of centrifugal force and inertia force; the fan blade 300 and the unpowered fan body 200 are integrally formed, so that the fan blade 300 is more closely attached to the unpowered fan body 200, and can bear larger stress and torque.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model may be practiced without these specific details. In some embodiments, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Similarly, it should be appreciated that in the above description of exemplary embodiments of the utility model, various features of the embodiments of the utility model are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be construed as reflecting the intention that: i.e., the claimed utility model requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this utility model.

Those skilled in the art will appreciate that the modules in the processing apparatus of the embodiments may be adaptively changed and disposed in one or more processing apparatuses different from the embodiments. The modules or units or components of the embodiments may be combined into one module or unit or component and, furthermore, they may be divided into a plurality of sub-modules or sub-units or sub-components. Any combination of all features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or units of any method or processing apparatus so disclosed, may be used in combination, except insofar as at least some of such features and/or processes or units are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features but not others included in other embodiments, combinations of features of different embodiments are meant to be within the scope of the utility model and form different embodiments. For example, any of the claimed embodiments can be used in any combination.

It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The utility model may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third, etc. do not denote any order. These words may be interpreted as names. The steps in the above embodiments should not be construed as limiting the order of execution unless specifically stated.

Claims

1. A dust removing structure, characterized by comprising:

machining a main shaft;

2. The dust removing structure according to claim 1, wherein a plurality of the fan blades are provided, a reinforcing ring is provided at an outer edge of the unpowered fan body, and the reinforcing ring is connected with the plurality of the fan blades.

3. The dust removal structure of claim 2, wherein the blades extend through the stiffening ring and form a blade body below the stiffening ring and a blade nipple above the stiffening ring.

4. The dust removing structure according to claim 1, wherein the fan blade has an arc shape, and a width thereof gradually decreases from one end facing away from the processing spindle to the other end.

5. The dust removal structure of claim 1, further comprising: the screw thread is used for fixing the unpowered fan body on the jackscrew of the processing main shaft, the middle part of the jackscrew is in threaded connection with the unpowered fan body, and the tail end of the screw is used for pressing a main shaft core of the processing main shaft.

6. The dust removing structure according to claim 1, wherein the inclination angle of the fan blade is between 10 ° and 30 °.

7. The dust removing structure according to claim 1, wherein the number of the fan blades is an odd number.

8. The dust removing structure according to claim 7, wherein the number of the fan blades is 7.

9. The dust extraction structure of claim 1, wherein the unpowered fan body is integrally formed with the fan blade.

10. A processing apparatus comprising a dust removing structure according to any one of claims 1 to 9.