CN112405354A - Dust removing device of grinding machine - Google Patents
Dust removing device of grinding machine Download PDFInfo
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- CN112405354A CN112405354A CN202011244942.6A CN202011244942A CN112405354A CN 112405354 A CN112405354 A CN 112405354A CN 202011244942 A CN202011244942 A CN 202011244942A CN 112405354 A CN112405354 A CN 112405354A
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- pipe
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- grinding machine
- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
- B24B55/03—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant designed as a complete equipment for feeding or clarifying coolant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Abstract
The utility model relates to a dust removal field particularly, relates to a grinding machine dust collector, and it includes: the liquid supply system is provided with a cooling liquid pipe; the air supply system is provided with a compressed air pipe; the spray head is connected with the cooling liquid pipe and the compressed air pipe so as to spray cooling liquid to a contact part of the grinding wheel and the workpiece; and the air knife is connected with the compressed air pipe to form an air curtain, and the air curtain covers the contact part of the grinding wheel and the workpiece. This grinding machine dust collector passes through the stealthy closed bin and the cooperation of high-speed water smoke that the air curtain formed, and the showy dust that can significantly reduce to make things convenient for the operator to observe and operating means, the surface condition that can observe the work piece at any time in time modifies the grinding machine parameter, can compromise better operating performance and better dust removal performance.
Description
Technical Field
The application relates to the field of dust removal, particularly, relate to a grinding machine dust collector.
Background
In machining, a grinding machine is common machining equipment, a grinding wheel and a workpiece rotate at a high speed and are in contact with each other for grinding, a large amount of dust such as metal particles and grinding wheel particles is generated during grinding, and the dust is high in hardness and has great harm to the health of operators.
Disclosure of Invention
The application aims at providing a grinding machine dust collector to solve the problem that dust is generated during grinding in the prior art.
The embodiment of the application is realized as follows:
in a first aspect, an embodiment of the present application provides a grinding machine dust collector, which includes:
the liquid supply system is provided with a cooling liquid pipe;
the air supply system is provided with a compressed air pipe;
the spray head is connected with the cooling liquid pipe and the compressed air pipe so as to spray cooling liquid to a contact part of the grinding wheel and the workpiece;
and the air knife is connected with the compressed air pipe to form an air curtain, and the air curtain covers the contact part of the grinding wheel and the workpiece.
In the grinding machine dust removal device provided by the application, compressed gas provided by the compressed gas pipe is blown out from the air knife to form an air curtain, and the air curtain covers the vicinity of a grinding part to form an invisible closed bin; the cooling liquid pipe and the compressed air pipe supply to the spray head at the same time, high-pressure gas and cooling liquid are mixed and then sprayed out from the spray head at high pressure to form water mist, and the water mist is sprayed to a grinding part. The air curtain wraps up the region that produces the dust, and the dust can't break through the air curtain and spread to the outside, and partial dust is wrapped up in by the inside droplet of air curtain and is held the back gathering whereabouts, can be blown to moist work piece or emery wheel surface when meeting the air curtain in addition, and these dusts all will flow into the filter residue system collection in the grinding machine from the area along with the coolant liquid, the showy dust in the course of working that significantly reduces. This grinding machine dust collector passes through the stealthy closed bin and the cooperation of high-speed water smoke that the air curtain formed, and the showy dust that can significantly reduce to make things convenient for the operator to observe and operating means, the surface condition that can observe the work piece at any time in time modifies the grinding machine parameter, can compromise better operating performance and better dust removal performance.
In one embodiment of the present application, optionally, the spray head is located within a shroud of the air curtain.
Among the above-mentioned technical scheme, the shower nozzle is located the inside of air curtain, and the air knife sprays the air curtain in the top, and the shower nozzle sprays high-speed water smoke in the below, and the water smoke that sprays can not pass the air curtain, and the closure of air curtain improves, and the water smoke is only in the inside of air curtain, is difficult to fly away, and the water smoke high-usage, and be difficult to wet near ground.
In an embodiment of the present application, optionally, the air knife includes a first straight line segment, an arc segment and a second straight line segment, and the first straight line segment, the arc segment and the second straight line segment are sequentially connected and the air outlet is communicated.
In the technical scheme, the first straight line section and the second straight line section form two side walls of an air curtain, the arc-shaped end forms an arc-shaped surface at the top of the air curtain, the two side walls of the air curtain are shielded at two sides of a workpiece and a grinding wheel, the arc-shaped surface at the top of the air curtain is shielded above a grinding part, and the air curtain forms an A shape to cover the grinding part from an all-dimensional cage, so that dust can only be gathered downwards and flows into a filter residue system of a grinding machine to be collected; and the arc-shaped surface can better guide the dust to move downwards to an area with high humidity.
In one embodiment of the present application, optionally, the arc-shaped section has a central angle of 135 ° to 150 °.
In the technical scheme, when the central angle of the arc-shaped section of the air knife is 135 degrees to 150 degrees, in the range, the distance between the two side walls of the air curtain is large, the air curtain is not easily blocked by the width of the grinding wheel, more ranges can be sealed, the sealing effect is good, and meanwhile, the sealed range is moderate, so that the close-range observation and operation of an operator are not influenced.
In an embodiment of the application, optionally, the grinding machine dust removal device further includes a semi-enclosed housing, the semi-enclosed housing covers a side of the grinding wheel away from the workpiece, the air knife is fixed on the semi-enclosed housing, and an outlet of the air knife faces the workpiece.
In above-mentioned technical scheme, the semi-enclosed shell shelters from the emery wheel and keeps away from one side of work piece, can further prevent that the dust from keeping away from one side diffusion of work piece to the emery wheel, the part outside the semi-enclosed shell is exposed to the air curtain closed emery wheel, and grinding position and work piece, under the combined action of semi-enclosed shell and air curtain, play the effect of better separation dust diffusion, semi-enclosed shell improves the installation position for the air knife simultaneously, make the air knife more be close to the grinding position, the grinding position can not only be covered by the cage better, and grinding position department wind speed is high, separation and dust fall are effectual.
In one embodiment of the present application, the angle of inclination of the air knives with respect to the vertical plane is optionally 30 ° to 60 °.
In above-mentioned technical scheme, the A type air curtain that the air knife formed, the top of its arcwall face sweeps on the surface of work piece, does not have the clearance between the top of air curtain and the work piece, and the work piece forms stealthy closed bin with the air curtain jointly, and stealthy closed bin's closure improves, further reduces the clearance position dust and spills over, prevents that the dust deposit from improving the dust collection rate on the grinding machine surface.
In an embodiment of the application, optionally, be equipped with the base on the semi-enclosed shell, be formed with communicating pipe in the base, the access connection of communicating pipe the compressed air pipe, the exit linkage of communicating pipe the air knife.
In above-mentioned technical scheme, through setting up the base, can find the mounted position of air knife fast when the installation for the installation rate, compression trachea and air knife can be dismouting respectively, still conveniently maintain separately and change.
In an embodiment of the present application, optionally, the communicating pipe and the air knife are connected by a universal pipe.
In the technical scheme, the angle of the air knife can be adjusted by rotating the universal pipe, and the blowing angle of the air curtain can be conveniently adjusted when workpieces of different specifications are processed.
In an embodiment of the application, optionally, grinding machine dust collector includes pneumatic solenoid valve, compressed air pipe is including being responsible for, first branch pipe and second branch pipe, be responsible for the connection first branch pipe with the second branch pipe, first leg joint the coolant pipe, the shower nozzle set up in the coolant pipe, the second leg joint the air knife, pneumatic solenoid valve simultaneous control be responsible for with the coolant pipe break-make.
In above-mentioned technical scheme, the pneumatic solenoid valve simultaneous control is responsible for and coolant liquid pipe break-make, and when the pneumatic solenoid valve was opened, the part compressed gas in being responsible for jetted from the shower nozzle after getting into coolant liquid pipe and coolant liquid from first branch pipe and mixing, and another part compressed gas spouts through the air knife from the second branch pipe to shower nozzle and air knife linkage work, air curtain and high-speed water smoke form simultaneously, and dust fall control convenient operation.
In an embodiment of the application, optionally, the second branch pipe is provided with an air pressure regulating valve.
In the technical scheme, the air pressure regulating valve can be used as required to regulate the air speed of the air curtain, so that the air curtain is convenient to use and has better applicability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a dust removing device provided in an embodiment of the present application;
fig. 2 is a side view of an air knife provided in an embodiment of the present application;
fig. 3 is a front view of an air knife provided in an embodiment of the present application;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
fig. 5 is an angle schematic diagram of an arc-shaped section of an air knife provided in an embodiment of the present application.
Icon: 100-a workpiece; 200-grinding wheel; 300-a spray head; 400-air knife; 410-an air outlet; 420-a connecting tube; 430-a first straight line segment; 440-arc segment; 450-a second straight line segment; 500-coolant tubes; 600-main pipe; 610-pneumatic solenoid valves; 620-second leg; 621-air pressure regulating valve; 700-semi-enclosed housing; 710-a base; 720-universal tube; 800-grinding position; b-central angle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
The dust removing device for the grinding machine provided by the embodiment is mainly used for dust removal of the grinding machine in the machining field, and the embodiment takes an outer circle grinding machine as an example for description.
At present, a water pipe is generally used for cooling the grinding wheel 200 and the workpiece 100 by outputting flowing cooling liquid, so that the grinding wheel 200 and the workpiece 100 are prevented from being burnt, and the cooling liquid additionally plays a role in controlling dust. However, during machining, the high heat generated by cutting and friction instantly vaporizes a mixture of the coolant and dust (e.g., metal particles of the workpiece 100 and particles of the grinding wheel 200) to form aerosol which floats in the air, and thus, health of an operator is still affected by the inhalation of such dust.
For the situation, only a closed cylindrical grinding machine can be used at present, and a closed bin is arranged outside the cylindrical grinding machine, so that dust diffusion is prevented. However, the closed cylindrical grinder is inconvenient to observe the workpiece 100 in the machining process, generally only suitable for a machining mode of rapid cutting, not suitable for fine grinding, inconvenient to operate and low in operating performance. In addition, after the machining is stopped, the workpiece needs to be placed for a period of time, and then the workpiece is taken out, so that the machining efficiency is low.
The grinding machine dust collector that this embodiment provided can compromise better dust removal effect and better operating performance.
As shown in fig. 1, the dust removing device of the grinding machine includes a liquid supply system, a gas supply system, a spray head 300 and an air knife 400.
The liquid supply system includes a coolant line 500 for outputting a coolant.
The gas supply system comprises a compressed gas pipe for outputting compressed gas, and the composition of the compressed gas can be air or inert gas.
The nozzle 300 is connected to the cooling liquid pipe 500 and is connected to the compressed gas pipe, so that the compressed gas is mixed with the cooling liquid and then sprayed out, and high-pressure water mist with high impact force is formed.
In the grinding process, high-pressure water mist impacts a grinding part at a high speed, the cooling speed of the grinding part is high, after high heat generated by friction is lost, a mixture of cooling liquid and dust is not easy to gasify and float at a high temperature, and floating dust is not easy to generate.
In order to increase the water mist speed and the cooling speed, the outlet of the nozzle 300 is set to be tapered to reduce the outlet area and increase the flow rate.
The air knife 400 is connected with a compressed air pipe, compressed air is blown out from an air outlet 410 of the air knife 400 to form an air curtain, the air curtain covers the contact part of the grinding wheel 200 and the workpiece 100, namely the area generating dust near the grinding part, and the air curtain forms an invisible closed bin near the grinding part. The invisible closed bin wraps the area where dust is generated.
When a part of dust is diffused, the dust is wrapped by the fog drops in the high-pressure water mist, so that the dust is easy to gather and fall without being diffused continuously, and after falling, the dust flows into a filter residue system carried by the grinding machine along with the cooling liquid and is collected.
When the dust is diffused, if the dust is not wrapped by the fog drops but is diffused to the contact air curtain, the dust cannot break through the air curtain to be diffused by the original path, but is blown downwards by the air flow to contact the surface of the wet machine tool, the workpiece 100 or the grinding wheel 200, and finally flows into a filter residue system carried by the grinding machine along with the cooling liquid to be collected.
Under the cooperation of the invisible closed bin formed by the air curtain and the high-speed water mist, floating dust is basically eliminated, the invisible closed bin does not shield the sight, the operator is not influenced to observe the workpiece 100, the operation equipment is convenient, and parameters of the grinding machine can be timely modified according to the condition of the surface of the workpiece 100 at any time.
The position of shower nozzle 300 is in the below of air knife 400 to make shower nozzle 300 be located the cage within range of air curtain, water smoke is at the inside blowout of air curtain, and water smoke need not pass the air curtain, and the closure of air curtain improves, and water smoke only is in the inside of air curtain, is difficult to fly away, and the water smoke high-usage, and be difficult to wet near ground.
The dust removing device of the grinding machine comprises a pneumatic electromagnetic valve 610 which is used for controlling the on-off of the compressed air pipe and the cooling liquid pipe 500 at the same time.
The aforementioned compressed air pipe includes a main pipe 600, a first branch pipe and a second branch pipe 620, and the main pipe 600 connects the first branch pipe and the second branch pipe 620.
In fig. 1, the first branch is hidden in the valve body of the pneumatic solenoid valve 610 and not shown, and the spray head 300 is disposed at the end of the cooling liquid pipe 500, and the first branch is connected to the cooling liquid pipe 500.
The second branch pipe 620 is connected to the air knife 400.
Under the condition that the supply of the liquid supply system is normally open, the pneumatic electromagnetic valve 610 simultaneously controls the on-off of the main pipe 600 and the cooling liquid pipe 500, and the spray head 300 and the air knife 400 work in a linkage manner.
When the pneumatic solenoid valve 610 is opened, part of the compressed gas in the main pipe 600 enters the cooling liquid pipe 500 from the first branch pipe and is mixed with the cooling liquid, and then is sprayed out from the spray head 300 to form water mist.
Another part of the compressed gas is ejected from the second branch pipe 620 through the air knife 400 to form an air curtain.
The air curtain and the high-speed water mist are formed simultaneously, and the dust fall control operation is convenient.
To facilitate adjustment of the air speed of the air curtain and control of the air flow ratio of the first branch pipe and the second branch pipe 620, an air pressure adjusting valve 621 is provided on the second branch pipe 620.
White smoke is visible when dust is generated, and the regulation standard of the air pressure regulating valve 621 is based on that the white smoke does not float out of the air curtain.
Further, in order to better seal and obstruct, a semi-closed shell 700 is further arranged on the grinding wheel 200, and the semi-closed shell 700 shields one side of the grinding wheel 200 far away from the workpiece 100.
The air knife 400 is fixed on the semi-closed shell 700, the outlet of the air knife 400 faces the workpiece 100, the air curtain blown by the air knife 400 seals the part of the grinding wheel 200 exposed outside the semi-closed shell 700, the grinding position 800 and the workpiece 100, and the air curtain and the semi-closed shell 700 can be partially overlapped to form a closed space better.
The semi-enclosed casing 700 is provided with a base 710, a communicating pipe (hidden inside the base 710 and not shown) is formed in the base 710, an inlet of the communicating pipe is connected to the second branch pipe 620, and an outlet of the communicating pipe is connected to the air knife 400.
The base 710 forms an installation reference on the semi-enclosed housing 700 of the grinding wheel 200, so that the installation position of the air knife 400 can be quickly found during installation, and the air curtain range is formed conveniently, thereby accelerating the installation speed. Moreover, the compressed air pipe and the air knife 400 can be respectively detachably connected to the base 710, and later maintenance and replacement are convenient.
The universal pipe 720 is arranged at the outlet of the communicating pipe of the base 710, and the air inlet of the air knife 400 is connected to the universal pipe 720.
As shown in fig. 2 and 3, the air knife 400 is provided with a connecting pipe 420, and the nozzle of the connecting pipe 420 is connected with a universal pipe 720. So that the compressed gas in the second branch pipe 620 enters the air knife 400 through the connection pipe of the base 710 and the universal pipe 720.
Fig. 4 shows a cross-sectional view of the air knife 400, and it can be seen that the cross-sectional area of the air knife 400 gradually shrinks toward the air outlet 410, and finally, a narrower air outlet 410 is formed.
The narrow air outlet 410 can effectively reduce the air outlet area and increase the air outlet speed, thereby forming a high-speed air curtain. The wind speed of the air curtain is greater than the diffusion speed of the volatile dust, so that the dust can be blown away, the dust is prevented from diffusing along the original path, and the larger the wind speed of the air curtain is, the better the dust diffusion blocking effect is.
Referring to fig. 2 and 3, the air knife 400 includes a first straight line 430, an arc-shaped section 440, and a second straight line 450, wherein the first straight line 430, the arc-shaped section 440, and the second straight line 450 are connected in sequence, and the air outlet 410 is communicated. The first straight section 430 and the second straight section 450 form two side walls of the air curtain, the arc section 440 forms an arc-shaped surface at the top of the air curtain, and the two side walls of the air curtain and the arc-shaped surface at the top of the air curtain form an A-shape to grind the part from the omnibearing cage cover.
As can be seen from fig. 1, two side walls of the air curtain are shielded on two sides of the workpiece 100 and the grinding wheel 200, and the arc-shaped surface at the top of the air curtain is shielded above the grinding part.
Under the effect of A type air curtain, the dust can only gather downwards and flow into the filter residue system of grinding machine area and collect to the cambered surface can guide the dust to remove downwards to the great region of humidity better.
To avoid the air curtain from being blocked by the width of the grinding wheel 200 or the semi-enclosed housing 700 itself, in conjunction with fig. 5, the central angle B of the arc-shaped section 440 is configured to be 135 ° to 150 °. In this case, the distance between the two side walls of the air curtain is large, and the air curtain is not easily blocked by the width of the grinding wheel 200 or the semi-enclosed housing 700 itself, and can be closed in a wide range. Meanwhile, the closed width range is moderate, and close-range observation and operation of an operator are not influenced.
When the air curtain is higher than the top of the workpiece 100 and is not in contact with the workpiece 100, the air curtain finally falls on the grinding machine near the workpiece 100 and the grinding wheel 200 to integrally cover the workpiece 100 and the grinding wheel 200, and at the moment, a gap exists between a hidden closed bin formed by the air curtain and the workpiece 100, although dust is difficult to diffuse into the air from the gap, part of dust may cross the workpiece 100 and finally fall on the side of the workpiece 100 far away from the grinding wheel 200, and the dust is easy to deposit at the position to affect dust collection. To address this problem, the arcuate section 440 sweeps out the arcuate surface portion of the gas curtain, the top of which sweeps across the surface of the workpiece 100 to eliminate the gap.
As the angle of inclination of the air knife 400 with respect to the vertical plane is smaller, the farther the air curtain falls on the grinding machine, the farther the position where the dust is deposited across the workpiece 100 may be. Referring to fig. 1 again, the inclination angle of the air knife 400 with respect to the vertical plane is set between 30 ° and 60 °, such that the top of the arc-shaped surface intersects the surface of the workpiece 100 between the grinding position 800 of the workpiece 100 and the top of the workpiece 100.
Further, the inclination angle of the air knife 400 relative to the vertical plane is 45 °, at this time, the position of the falling point of the top of the arc-shaped surface of the air curtain on the workpiece 100 is moderate, the air curtain has a certain spatial distance from the grinding position 800, and the dust and the water mist can be fully combined in the range.
Because there is not the clearance between work piece 100 and the top of air curtain, work piece 100 forms stealthy closed bin with the air curtain together, and stealthy closed bin's closure improves, and the dust is difficult to overflow the deposit over work piece 100, but the most is concentrated on this side that work piece 100 is close to the emery wheel, or adheres to the surface of work piece 100, and the coolant liquid is relatively more here, and the dust easily flows away along with the coolant liquid, is difficult to deposit.
The application provides a grinding machine dust collector, shower nozzle 300 blowout water smoke, rather than current water pipe spun flowing water, the coolant liquid consumption reduces, and the flowing water on the grinding machine is less, has reduced the equipment damage probability of grinding machine.
The air curtain and the high-speed water mist act together, the cooling effect is good, dust is prevented from being generated from the source, the dust is prevented from being diffused by wrapping the dust generation area around, and the processing process basically has no dust.
And the air curtain forms an invisible closed bin, so that the observation of an operator is not influenced, the workpiece 100 can be observed conveniently when high-precision grinding is carried out, the parameters of the grinding machine can be adjusted, and the applicability is high.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A grinding machine dust collector, its characterized in that includes:
the liquid supply system is provided with a cooling liquid pipe;
the air supply system is provided with a compressed air pipe;
the spray head is connected with the cooling liquid pipe and the compressed air pipe so as to spray cooling liquid to a contact part of the grinding wheel and the workpiece;
and the air knife is connected with the compressed air pipe to form an air curtain, and the air curtain covers the contact part of the grinding wheel and the workpiece.
2. A dust extraction unit for a grinding machine as claimed in claim 1, wherein the spray head is located within the shroud of the air curtain.
3. The dust removal device for the grinding machine as claimed in claim 1, wherein the air knife comprises a first straight line section, an arc-shaped section and a second straight line section, the first straight line section, the arc-shaped section and the second straight line section are sequentially connected, and air outlets are communicated.
4. A dust collector for a grinding machine as claimed in claim 3, wherein the central angle of the arc-shaped section is 135-150 °.
5. The dust removal device for the grinding machine as claimed in claim 3, further comprising a semi-closed housing, wherein the semi-closed housing covers one side of the grinding wheel away from the workpiece, the air knife is fixed on the semi-closed housing, and an outlet of the air knife faces the workpiece.
6. A dust collector for grinding machine according to claim 5, characterized in that the angle of inclination of the air knife with respect to the vertical plane is 30-60 °.
7. The dust removing device for the grinding machine as claimed in claim 5, wherein a base is arranged on the semi-enclosed shell, a communicating pipe is formed in the base, an inlet of the communicating pipe is connected with the compressed air pipe, and an outlet of the communicating pipe is connected with the air knife.
8. The dust removing device of the grinding machine as claimed in claim 7, wherein the communicating pipe is connected with the air knife through a universal pipe.
9. The dust removal device for the grinding machine of claim 1, which comprises a pneumatic solenoid valve, wherein the compressed air pipe comprises a main pipe, a first branch pipe and a second branch pipe, the main pipe is connected with the first branch pipe and the second branch pipe, the first branch pipe is connected with the cooling liquid pipe, the spray head is arranged on the cooling liquid pipe, the second branch pipe is connected with the air knife, and the pneumatic solenoid valve controls the on-off of the main pipe and the cooling liquid pipe simultaneously.
10. A dust collector for a grinding machine according to claim 9, characterized in that the second branch pipe is provided with a pneumatic pressure regulating valve.
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| CN202011244942.6A CN112405354A (en) | 2020-11-09 | 2020-11-09 | Dust removing device of grinding machine |
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| CN202011244942.6A CN112405354A (en) | 2020-11-09 | 2020-11-09 | Dust removing device of grinding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857932A (en) * | 2021-09-16 | 2021-12-31 | 山东雷德数控机械股份有限公司 | Feed inlet pressing device for numerical control machine tool |
| CN114800108A (en) * | 2022-04-14 | 2022-07-29 | 清远市志豪兴工程玻璃有限公司 | Polishing device for glass processing |
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| CN113857932A (en) * | 2021-09-16 | 2021-12-31 | 山东雷德数控机械股份有限公司 | Feed inlet pressing device for numerical control machine tool |
| CN114800108A (en) * | 2022-04-14 | 2022-07-29 | 清远市志豪兴工程玻璃有限公司 | Polishing device for glass processing |
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