CN106975277B - A kind of dust exhaust apparatus for electric tool - Google Patents
A kind of dust exhaust apparatus for electric tool Download PDFInfo
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- CN106975277B CN106975277B CN201710183127.5A CN201710183127A CN106975277B CN 106975277 B CN106975277 B CN 106975277B CN 201710183127 A CN201710183127 A CN 201710183127A CN 106975277 B CN106975277 B CN 106975277B
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- dust
- collecting box
- sweep
- pipe
- electric tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a kind of dust exhaust apparatuses for electric tool, belong to motor machine technical field.The dust exhaust apparatus include dust-collecting box, the sweep-up pipe being connect with the air intake vent of dust-collecting box and in dust-collecting box and far from sweep-up pipe one end the first filter screen, the periphery of first filter screen abuts the inner wall of dust-collecting box, and one end for being correspondingly arranged the first filter screen of dust-collecting box offers air outlet；Sweep-up pipe is also connected with dust hood far from the nozzle periphery of dust-collecting box one end, and separate first sweep-up pipe one end is equipped with blower in dust hood；It is additionally provided with an alarm on the outside of dust-collecting box, a sensor and a cavity are equipped in dust-collecting box, sensor is set to the top of dust-collecting box and the air intake vent side far from dust-collecting box, is equipped with the controller connecting with alarm, sensor and blower in cavity；Dust-collecting box is connect with power tool body.The present invention can not only effectively prevent phenomenon dusty in the electric tool course of work and occur, and can also prevent the dust in dust-collecting box from excessively influencing pick-up performance afterwards.
Description
Technical field
The present invention relates to motor machine technical fields, and in particular to a kind of dust exhaust apparatus for electric tool.
Background technique
Existing electric tool as electric drill, cutting machine etc. during the work time will appear dusty phenomenon, often
With the appearance of a large amount of dust, this increases not only the Dust Capacities of surrounding air, polluted air, also to the body of operator
Heart health brings influence.If not wearing shield, the sucking of dust will seriously affect to the health of operator.But
If wearing shield, the sight of operator is more or less influenced whether.Therefore it is badly in need of developing that such electricity can be fully absorbed
The dust exhaust apparatus of the dust generated in the power driven tools course of work, but structure is complicated mostly for current dust exhaust apparatus, and does not have and mention
Show amount of dust in dust-collecting box and absorbs the effect that can give off cleaned air after dust.Meanwhile electric tool is during the work time
Biggish noise can be also issued, biggish noise pollution is brought.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of dust exhaust apparatus for electric tool, the dust exhaust apparatus
It can not only effectively prevent phenomenon dusty in the electric tool course of work to occur, can also prevent the dust mistake in dust-collecting box
Pick-up performance is influenced after more, and the gas with dust is made to be moved out clean gas after dust-collecting box sufficiently collects dust.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of dust exhaust apparatus for electric tool, including dust-collecting box, the dust suction being connect with the air intake vent of the dust-collecting box
Pipe and in the dust-collecting box and the first filter screen far from described sweep-up pipe one end, the periphery of first filter screen abut
One end for being correspondingly arranged the first filter screen of the inner wall of the dust-collecting box, the dust-collecting box offers air outlet；The sweep-up pipe
Nozzle periphery far from described dust-collecting box one end is also connected with the dust hood that internal diameter is greater than the nozzle outer diameter, in the dust hood
The blower for sucking dust is equipped with far from first sweep-up pipe one end；
It is additionally provided with an alarm on the outside of the dust-collecting box, one is equipped in the dust-collecting box for incuding the sensing of amount of dust
Device and a cavity with flip lid, the sensor are set to the top of the dust-collecting box and the air intake vent one far from the dust-collecting box
Side, the cavity is interior to be equipped with the controller connecting with the alarm, sensor and blower；The dust-collecting box and electric tool sheet
Body connection；
The dust exhaust apparatus further includes noise abatement box, and the noise abatement box cover is set to outside the sweep-up pipe, and the noise abatement box
Bottom end is connect with the dust-collecting box, and the open at one end of the noise abatement box is connect with the dust hood；It is filled out in the noise abatement box
Filled with noise attenuation material, the noise attenuation material is mainly made of the raw material of following parts by weight: 30-40 parts of rice bran, polyester fiber sound-absorbing
20-30 parts of cotton, vermiculite power 10-20 parts white, 10-20 parts of sepiolite powder, 10-20 parts of precipitated calcium carbonate, 10-20 parts of glass fibre,
5-10 parts of mesoporous TiO 2,5-10 parts of neoprene, 5-10 parts of polycarbonate and 5-8 parts of alkyd resin.
Further, the bottom of the dust-collecting box is additionally provided with solar battery, be equipped in the dust-collecting box by conducting wire with
The positive plate and negative plate of the solar battery connection, the positive plate and negative plate are respectively symmetrically set in the dust-collecting box
Two sides and parallel with the side of the dust-collecting box, the positive plate or negative plate be located at the lower section of the sensor and with it is described
Sensor offsets, and the top of positive plate or negative plate is lower than the air intake vent of the dust-collecting box.
Further, the second filter screen is additionally provided at the air outlet.
Further, the aperture of second filter screen is less than the aperture of first filter screen.
Further, the sweep-up pipe includes the first sweep-up pipe and the second sweep-up pipe of scalable connection, and described first inhales
Dirt pipe is connect far from one end of second sweep-up pipe with the dust hood, and second sweep-up pipe is far from first sweep-up pipe
One end connect with the air intake vent periphery of the dust-collecting box.
Further, first sweep-up pipe is with streaky compressible sweep-up pipe, the inside of first sweep-up pipe
It is also nested and is used to support the spring of first sweep-up pipe.
Further, the opening periphery far from first sweep-up pipe one end of the dust hood is equipped with along the opening
The evener of circumferentially extending, the surface of the evener are also bonded with frosted material.
Further, the positive plate and negative plate are detachably mounted in the dust-collecting box.
Further, close to the positive plate of the dust-collecting box air intake vent or negative plate and the dust-collecting box air intake vent
It is additionally provided between lower edge for guiding dust to drop down onto the guide plate between the positive plate and negative plate.
Further, the preparation method of the noise attenuation material includes the following steps:
(1) above-mentioned raw material is weighed；
(2) after mixing rice bran, polyester fiber acoustical cotton, white vermiculite power, sepiolite powder and precipitated calcium carbonate, it is equal that water is added
Even matter is put into twin-screw extruder, and wherein screw speed is 60-65r/min, rate of feeding 30-35r/min, machine barrel
The temperature of middle feed zone is 90-100 DEG C, and the temperature of discharging section is 110-120 DEG C in machine barrel, and spraying temperature control is 85-90 DEG C,
Obtain extruding porous mixture；
(3) after the extruding porous mixture for obtaining neoprene, polycarbonate and alkyd resin addition step (1), lead to
It crosses mixer to be kneaded, wherein melting temperature is 100-120 DEG C, and mixing time is 1-1.5 hours, obtains mixture；
(4) mesoporous TiO 2 is uniformly layed on glass fibre, bonds to obtain fibrous layer by adhesive, then will be upper
It states mixture to be coated in the fibrous layer, finally solidification sintering 2-3 hours at 200-250 DEG C, can be obtained the noise abatement
Material.
In conclusion by adopting the above-described technical solution, the invention has the benefit that
(1) dust generated in the electric tool course of work can sufficiently be sucked in dust-collecting box by blower and be received by the present invention
Collection, and go out cleaned air through filter screen filtration heel row, effectively prevent phenomenon hair dusty in the electric tool course of work
It is raw.And the present invention is also by being outwardly and inwardly arranged alarm, sensor and controller in dust-collecting box, when sensor sensing to collection
After dust in dirt box is relatively full, signal is reached into controller, controller then controls starting alarm equipment alarm, inform operator and
When discharge dust-collecting box in dust, prevent dust overfill in dust-collecting box cannot normal dust suction and discharge cleaned air.
(2) positive plate and negative plate that connect with solar battery is arranged in the present invention also in dust-collecting box, make positive plate with
Negative plate electrification, and then the dust of sucking is adsorbed on pole plate, that is, electrostatic precipitation purification gas is utilized, after electrostatic precipitation again
By double-filtration net filtration, so as to be finally sufficiently purified from the gas that air outlet flows out.
(3) noise attenuation material of the invention is using rice bran as major ingredient, to rice bran and polyester fiber acoustical cotton, white vermiculite power, Hai Pao
The mixed mixture of the porous materials such as mountain flour carries out expanding treatment, expands mixture sharply, obtains loose porous and intensity
High extrusion material, then the extrusion material is handled with neoprene, polycarbonate and alkyd resin through mixing, by
There is preferable elasticity and water resistance in alkyd resin, makrolon material has good anti-flammability, wearability, inoxidizability
And chemical stability；And neoprene is wear-resisting, oil resistant, heat-resisting, resistance to combustion, makes to obtain after mixing is handled elastic high, wear-resisting
And light porous puffed material.And due to the good thermal stability of mesoporous TiO 2, specific surface area is high, and cellular structure has
Sequence makes mesoporous TiO 2 have good sound absorbing performance；And glass fibre has that tensile strength is high, coefficient of elasticity is high, it is non-ignitable,
Heat-insulated, the advantages that sound-proofing is good, coats above-mentioned high resiliency, wear-resisting using the fibrous layer that mesoporous TiO 2 and glass fibre are formed
And after light porous puffed material, the elasticity, tensile strength and sound absorption of noise attenuation material obtained are finally further improved
Performance.Additionally due to the elastic deformation of material can consume a part of acoustic wave energy, therefore noise abatement material of the present invention when sound wave occurs again
Expect that had high resiliency performance further improves erasure effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the dust exhaust apparatus for electric tool of the embodiment of the present invention；
Fig. 2 is the left view of dust hood in a kind of dust exhaust apparatus for electric tool of the embodiment of the present invention；
Fig. 3 is the bottom view of dust-collecting box in a kind of dust exhaust apparatus for electric tool of the embodiment of the present invention.
In figure, 1- dust-collecting box, 2- sweep-up pipe, the first sweep-up pipe of 21-, the second sweep-up pipe of 22-, the first filter screen of 3-, 4- goes out
Air port, 5- dust hood, 6- blower, 7- alarm, 8- sensor, 9- controller, 10- solar battery, 11- positive plate, 12- are negative
Pole plate, the second filter screen of 13-, 14- spring, 15- evener, 16- guide plate, 17- drill bit, 18- noise abatement box.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Embodiment 1
As shown in Figure 1-Figure 3, a kind of dust exhaust apparatus for electric tool of the embodiment of the present invention, including 1 (dust of dust-collecting box
Box 1 is insulator), the sweep-up pipe 2 that is connect with the air intake vent (not shown) of the dust-collecting box 1 and set on the dust-collecting box 1
First filter screen 3 interior and far from described 2 one end of sweep-up pipe, the periphery of first filter screen 3 abut the interior of the dust-collecting box 1
One end for being correspondingly arranged the first filter screen 3 of wall, the dust-collecting box 1 offers air outlet 4.The sweep-up pipe 2 is far from the collection
The nozzle periphery of 1 one end of dirt box is also connected with the dust hood 5 that internal diameter is greater than the nozzle outer diameter, separate institute in the dust hood 5
It states 2 one end of sweep-up pipe and is fixed with blower 6 for sucking dust by a cross bar.Dust-collecting box 1 is equipped with for controlling blower 6
Switch.The dust-collecting box 1, sweep-up pipe 2, the first filter screen 3 and blower 6 are to be removably installed.The present embodiment passes through blower 6
The dust generated in the electric tool course of work can sufficiently be sucked in dust-collecting box 1 and be collected, and filter heel row through the first filter screen 3
Cleaned air out effectively prevents phenomenon dusty in the electric tool course of work and occurs.
The outside of the dust-collecting box 1 is additionally provided with an alarm 7, and one is equipped in the dust-collecting box 1 for incuding amount of dust
Sensor 8 and a cavity with flip lid, the sensor 8 are set to the top of the dust-collecting box 1 and far from the dust-collecting boxes 1
Air intake vent side, the cavity is interior to be equipped with the controller 9 connecting with the alarm 7, sensor 8 and blower 6.Due to dust
Accumulation, it is possible to cause the dust in dust-collecting box 1 excessive but have not enough time to find, the present embodiment by 1 outside of dust-collecting box and
Inside setting alarm 7, sensor 8 and controller 9 pass signal after sensor 8 senses that the dust in dust-collecting box is relatively full
To controller 9, controller 9 then controls, starts the alarm of alarm 7, informs that the dust in dust-collecting box 1 is discharged in operator in time,
Prevent the dust overfill in dust-collecting box 1 cannot normal dust suction and discharge cleaned air.
The dust-collecting box 1 is connect with power tool body, and the electric tool in the present embodiment is preferably electric drill, dust-collecting box 1
It is connect with electric drill ontology, the drill bit 17 of electric drill passes through the sweep-up pipe 2 (and avoiding blower 6), makes the ash in the electric drill course of work
Dirt sufficiently sucks in sweep-up pipe, prevents dusty.
Dust exhaust apparatus described in the present embodiment further includes noise abatement box 18, and the noise abatement box 18 covers at outside the sweep-up pipe 2, and
The bottom end of the noise abatement box 18 is connect with the dust-collecting box 1, and the open at one end of the noise abatement box 18 and the dust hood 5 connect
It connects；It is filled with noise attenuation material in the noise abatement box 18, the noise attenuation material is mainly made of the raw material of following parts by weight: rice bran 30
Part, 20 parts of polyester fiber acoustical cotton, 10 parts of white vermiculite power, 10 parts of sepiolite powder, 10 parts of precipitated calcium carbonate, 10 parts of glass fibre,
5 parts of mesoporous TiO 2,5 parts of neoprene, 5 parts of polycarbonate and alkyd resin part.
The preparation method of above-mentioned noise attenuation material includes the following steps:
(1) above-mentioned raw material is weighed；
(2) after mixing rice bran, polyester fiber acoustical cotton, white vermiculite power, sepiolite powder and precipitated calcium carbonate, it is equal that water is added
Even matter is put into twin-screw extruder, and wherein screw speed is 60r/min, rate of feeding 30r/min, feeds in machine barrel
The temperature of section is 90 DEG C, and the temperature of discharging section is 110 DEG C in machine barrel, and spraying temperature control is 85 DEG C, obtains extruding porous mixture；
(3) after the extruding porous mixture for obtaining neoprene, polycarbonate and alkyd resin addition step (1), lead to
It crosses mixer to be kneaded, wherein melting temperature is 100 DEG C, and mixing time is 1.5 hours, obtains mixture；
(4) mesoporous TiO 2 is uniformly layed on glass fibre, bonds to obtain fibrous layer by adhesive, then will be upper
It states mixture to be coated in the fibrous layer, finally solidification sintering 3 hours at 200 DEG C, can be obtained the noise attenuation material.
Further, in this embodiment the bottom of the dust-collecting box 1 is additionally provided with solar battery 10, in the dust-collecting box 1
Equipped with the positive plate 11 and negative plate 12 being connect by conducting wire with the solar battery 10, the positive plate 11 and negative plate 12
The two sides respectively symmetrically being detachably arranged in the dust-collecting box 1 (are equipped with the side of opening and pair equipped with opening side
Answer side) and it is parallel with the side of the dust-collecting box 1, positive plate 11 is close to the air intake vent side of dust-collecting box 1, institute in the present embodiment
Positive plate 11 is stated to be located at the lower section of the sensor 8 and offset with the sensor 8.11 He of positive plate in certain other embodiments
The position of negative plate 12 can also change mutually, i.e., negative plate 12 is close to the air intake vent side of dust-collecting box 1, the negative plate 12
In the sensor 8 lower section and offset with the sensor 8.The present embodiment passes through 1 setting and solar-electricity in dust-collecting box
The positive plate 11 and negative plate 12 that pond 10 connects charge positive plate 11 and negative plate 12, and then the dust of sucking are adsorbed to
On pole plate, that is, electrostatic precipitation purification gas is utilized, dedusting better effect is made.
In order to further by dirt absorption in dust-collecting box 1, and the dust in the air given off is sufficiently filtered out, so that
It is finally sufficiently purified from the gas that air outlet 4 flows out, the second filter screen 13 is also removably equipped at the air outlet 4.
And the aperture of second filter screen 13 is less than the aperture of first filter screen 3, inhales the dust of size fractionated sufficiently
It receives.First filter screen 3 and the second filter screen 13 are detachable setting, so as to remove in time when the dust on strainer is excessive clear
It washes.And when finding that the dust in dust-collecting box is excessive, the second filter screen 13 is removed, flows out dust from air outlet 4.
Further, the first sweep-up pipe 21 and the second sweep-up pipe 22 of the sweep-up pipe 2 including scalable connection, described the
The one end of one sweep-up pipe 21 far from second sweep-up pipe 22 is connect with the dust hood 5, and second sweep-up pipe 22 is far from institute
The one end for stating the first sweep-up pipe 21 is connect with the air intake vent periphery of the dust-collecting box 1.Sweep-up pipe 2 is set as by scalable connection
First sweep-up pipe 21 and the second sweep-up pipe 22 composition, convenient for making the corresponding contracting of sweep-up pipe with the increase of the drilling depth of electric drill
It is short, to prevent sweep-up pipe 2 from being pressed by wall or ground, it is damaged.
First sweep-up pipe 21 is with streaky compressible sweep-up pipe, to be further convenient for more flexible shortening dust suction
The length of pipe.In addition, the inside of the first sweep-up pipe 21 is also covered embedded with spring 14, so that when the length without shortening the first sweep-up pipe
Shi Caiyong spring 14 supports first sweep-up pipe 21, prevents its flexible, inclination etc., influences pick-up performance.
Further, the opening periphery far from described first sweep-up pipe, 21 one end of the dust hood 5 is equipped with opens along described
The evener 15 of the circumferentially extending of mouth, the surface of the evener 15 is also bonded with frosted material.It is bonded by being arranged in dust hood 5
There is the evener 15 of frosted material, enabling electric drill, dust hood 5 is so more preferable that be attached on wall or ground during the work time, prevents dust suction
Cover 5 easily loosens, and dust is leaked out from the edge of dust hood 5.
Further, close to the positive plate 11 (or negative plate 12) of 1 air intake vent of dust-collecting box and the dust-collecting box 1
It is additionally provided with guide plate 16 between the lower edge of air intake vent, preferably dust is guided to drop down onto positive plate 11 and cathode using guide plate 16
Between plate 12, prevent dust accretions in the top of positive plate 11 (or negative plate 12), while positive plate 11 (or negative plate 12)
Top is also less than the air intake vent of dust-collecting box, flows back after preventing the wind with dust to be blocked, influences pick-up performance.
Embodiment 2
In the present embodiment except noise attenuation material parts by weight form and preparation method thereof it is different from embodiment 1 in addition to, other with
Embodiment 1 is identical.
Noise attenuation material in noise abatement box 18 described in the present embodiment is mainly made of the raw material of following parts by weight: 40 parts of rice bran,
It is 30 parts of polyester fiber acoustical cotton, 20 parts of white vermiculite power, 20 parts of sepiolite powder, 20 parts of precipitated calcium carbonate, 20 parts of glass fibre, mesoporous
10 parts of titanium dioxide, 10 parts of neoprene, 10 parts of polycarbonate and 8 parts of alkyd resin.
The preparation method of above-mentioned noise attenuation material includes the following steps:
(1) above-mentioned raw material is weighed；
(2) after mixing rice bran, polyester fiber acoustical cotton, white vermiculite power, sepiolite powder and precipitated calcium carbonate, it is equal that water is added
Even matter is put into twin-screw extruder, and wherein screw speed is 65r/min, rate of feeding 35r/min, feeds in machine barrel
The temperature of section is 100 DEG C, and the temperature of discharging section is 120 DEG C in machine barrel, and spraying temperature control is 90 DEG C, obtains the porous mixing of extruding
Object；
(3) after the extruding porous mixture for obtaining neoprene, polycarbonate and alkyd resin addition step (1), lead to
It crosses mixer to be kneaded, wherein melting temperature is 120 DEG C, and mixing time is 1 hour, obtains mixture；
(4) mesoporous TiO 2 is uniformly layed on glass fibre, bonds to obtain fibrous layer by adhesive, then will be upper
It states mixture to be coated in the fibrous layer, finally solidification sintering 2 hours at 250 DEG C, can be obtained the noise attenuation material.
Claims (10)
1. a kind of dust exhaust apparatus for electric tool, which is characterized in that connect including dust-collecting box, with the air intake vent of the dust-collecting box
The sweep-up pipe that connects and in the dust-collecting box and the first filter screen far from described sweep-up pipe one end, first filter screen
Periphery abuts the inner wall of the dust-collecting box, and one end for being correspondingly arranged the first filter screen of the dust-collecting box offers air outlet；Institute
It states sweep-up pipe and is also connected with the dust hood that internal diameter is greater than the nozzle outer diameter far from the nozzle periphery of described dust-collecting box one end, it is described
The blower for sucking dust is equipped with far from described sweep-up pipe one end in dust hood；
Be additionally provided with an alarm on the outside of the dust-collecting box, be equipped in the dust-collecting box one for incude amount of dust sensor and
One cavity with flip lid, the sensor are set to the top of the dust-collecting box and the air intake vent side far from the dust-collecting box,
The controller connecting with the alarm, sensor and blower is equipped in the cavity；The dust-collecting box and power tool body
Connection；
The dust exhaust apparatus further includes noise abatement box, and the noise abatement box cover is set to outside the sweep-up pipe, and the bottom of the noise abatement box
One end is connect with the dust-collecting box, and the open at one end of the noise abatement box is connect with the dust hood；It is filled in the noise abatement box
Noise attenuation material, the noise attenuation material are mainly made of the raw material of following parts by weight: 30-40 parts of rice bran, polyester fiber acoustical cotton 20-
30 parts, vermiculite power 10-20 parts white, 10-20 parts of sepiolite powder, 10-20 parts of precipitated calcium carbonate, 10-20 parts of glass fibre, mesoporous two
5-10 parts of titanium oxide, 5-10 parts of neoprene, 5-10 parts of polycarbonate and 5-8 parts of alkyd resin.
2. the dust exhaust apparatus according to claim 1 for electric tool, which is characterized in that the bottom of the dust-collecting box is also
Equipped with solar battery, the positive plate and negative plate connecting by conducting wire with the solar battery are equipped in the dust-collecting box,
The positive plate and negative plate are respectively symmetrically set to two sides in the dust-collecting box and parallel with the side of the dust-collecting box, described
Positive plate or negative plate are located at the lower section of the sensor and offset with the sensor, and the top of the positive plate or negative plate
Portion is lower than the air intake vent of the dust-collecting box.
3. the dust exhaust apparatus according to claim 1 for electric tool, which is characterized in that be additionally provided at the air outlet
Second filter screen.
4. the dust exhaust apparatus according to claim 3 for electric tool, which is characterized in that the hole of second filter screen
Diameter is less than the aperture of first filter screen.
5. the dust exhaust apparatus according to claim 1 for electric tool, which is characterized in that the sweep-up pipe includes that can stretch
Contract the first sweep-up pipe and the second sweep-up pipe connected, the one end of first sweep-up pipe far from second sweep-up pipe and the suction
Dust hood connection, the one end of second sweep-up pipe far from first sweep-up pipe is connect with the air intake vent periphery of the dust-collecting box.
6. the dust exhaust apparatus according to claim 5 for electric tool, which is characterized in that first sweep-up pipe is band
Streaky compressible sweep-up pipe, the inside of first sweep-up pipe, which is also nested, is used to support the bullet of first sweep-up pipe
Spring.
7. the dust exhaust apparatus according to claim 5 for electric tool, which is characterized in that the separate institute of the dust hood
The opening periphery for stating first sweep-up pipe one end is equipped with the evener of the circumferentially extending along the opening, and the surface of the evener is also
It is bonded with frosted material.
8. the dust exhaust apparatus according to claim 2 for electric tool, which is characterized in that the positive plate and negative plate
It is detachably mounted in the dust-collecting box.
9. the dust exhaust apparatus according to claim 2 for electric tool, which is characterized in that close to the dust-collecting box inlet air
It is additionally provided between the positive plate or negative plate and the lower edge of the dust-collecting box air intake vent of mouth for guiding dust to drop down onto institute
State the guide plate between positive plate and negative plate.
10. the dust exhaust apparatus according to claim 1 for electric tool, which is characterized in that the system of the noise attenuation material
Preparation Method includes the following steps:
(1) above-mentioned raw material is weighed；
(2) after mixing rice bran, polyester fiber acoustical cotton, white vermiculite power, sepiolite powder and precipitated calcium carbonate, it is even that water is added
Matter is put into twin-screw extruder, and wherein screw speed is 60-65r/min, rate of feeding 30-35r/min, in machine barrel into
The temperature for expecting section is 90-100 DEG C, and the temperature of discharging section is 110-120 DEG C in machine barrel, and spraying temperature control is 85-90 DEG C, is obtained swollen
Change porous mixture；
(3) after the extruding porous mixture for obtaining neoprene, polycarbonate and alkyd resin addition step (1), by close
Mill is kneaded, and wherein melting temperature is 100-120 DEG C, and mixing time is 1-1.5 hours, obtains mixture；
(4) mesoporous TiO 2 is uniformly layed on glass fibre, bonds to obtain fibrous layer by adhesive, then will be above-mentioned mixed
Refining object is coated in the fibrous layer, and finally solidification sintering 2-3 hours at 200-250 DEG C, can be obtained the noise attenuation material.
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| CN201710183127.5A CN106975277B (en) | 2017-03-24 | 2017-03-24 | A kind of dust exhaust apparatus for electric tool |
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| CN106975277A CN106975277A (en) | 2017-07-25 |
| CN106975277B true CN106975277B (en) | 2019-10-15 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107983069A (en) * | 2017-12-14 | 2018-05-04 | 柳州市鼎福通用机械厂 | A kind of energy conservation and environmental protection dust-extraction unit |
| CN107971138A (en) * | 2017-12-14 | 2018-05-01 | 柳州市鼎福通用机械厂 | A kind of intelligence electrostatic precipitator |
| CN108031197A (en) * | 2017-12-14 | 2018-05-15 | 柳州市鼎福通用机械厂 | A kind of intelligent dust collector |
| CN108031694A (en) * | 2017-12-14 | 2018-05-15 | 柳州市鼎福通用机械厂 | A kind of removing dust and clearing ash device |
| CN109876584A (en) * | 2019-04-17 | 2019-06-14 | 浙江欧思睦环保科技有限公司 | A kind of device for recovering powder and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582795Y (en) * | 2002-11-26 | 2003-10-29 | 武汉大学 | Hand-held electric drill with automatic dust remover |
| CN102581338A (en) * | 2012-03-26 | 2012-07-18 | 黄正兴 | Dust-collection electric drill with alarm device |
| CN204075288U (en) * | 2013-11-11 | 2015-01-07 | 西安树正电子科技有限公司 | A kind of electric drill with dust control and noise absorption function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014176905A (en) * | 2013-03-13 | 2014-09-25 | Uht Corp | Dust collector |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582795Y (en) * | 2002-11-26 | 2003-10-29 | 武汉大学 | Hand-held electric drill with automatic dust remover |
| CN102581338A (en) * | 2012-03-26 | 2012-07-18 | 黄正兴 | Dust-collection electric drill with alarm device |
| CN204075288U (en) * | 2013-11-11 | 2015-01-07 | 西安树正电子科技有限公司 | A kind of electric drill with dust control and noise absorption function |
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