CN209239798U - Central water flooding formula sander - Google Patents
Central water flooding formula sander Download PDFInfo
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- CN209239798U CN209239798U CN201821986967.1U CN201821986967U CN209239798U CN 209239798 U CN209239798 U CN 209239798U CN 201821986967 U CN201821986967 U CN 201821986967U CN 209239798 U CN209239798 U CN 209239798U
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Abstract
The utility model discloses a kind of central water flooding formula sanders comprising shell, motor sub-assembly and grinding wheel, the motor sub-assembly include cylinder body, blade rotor, water injection needle, go out water needle, upper cover, lower cover, eccentric shaft, small axle center and chassis screw；The utility model smart structural design, rationally pass through the water injecting pipeline on shell, water injection needle, water filling upper channel and water filling lower channel on eccentric shaft, water needle out, the exhalant canal on water receiving channel and chassis screw on small axle center is connected to form central water flooding pipeline, water energy is allowed to spray from the center of grinding wheel, dust can be made to rinse well outward from centre, realize that dust will not be adhered to coated abrasive surface and be trapped in product surface, to reduce the invalid friction between sand paper and dust and product, reach the service life for extending sand paper and promotes the efficiency and yield of product polishing；In addition the utility model compact overall structure, simply, small in size, use is safe and reliable, and labor intensity is small, is conducive to wide popularization and application.
Description
Technical field
The utility model relates to sander technical fields, and in particular to a kind of central water flooding formula sander.
Background technique
Sander be suitable for iron plate, timber, plastics, tire surface grinding, mobile phone, laptop, ship, automobile,
Grinding tool and aircraft industry finely polish, burr removing, and the operations such as paint are gone in derusting.
Modern society generally uses sander, and the sander sold on the market is varied, each there is different set
Meter theory makes every effort to the requirement that can reach different user.But although these sanders can be roughly satisfied requirement, but its
Eccentric block design it is all not ingenious, bulky, heavy, and do not have water supply function, especially polishing almag produces
When product, it is easy to produce inflammable, explosive phenomenon, causes personnel and property loss；For this purpose, polishing personnel can only be in advance toward polishing
It waters and polishes again or one-handed performance sander on object, another holds water pipe and waters, this uses sander
Inconvenient, safety coefficient is not also high.
For this purpose, the applicant has applied for one entitled " simply filling the water sander " on May 13rd, 2015, Publication No.
The utility model of " CN204772098U ", it discloses a kind of simple water filling sander, the top of shell, motor is arranged in gland
Component is arranged in shell, and a side position of shell nozzle is arranged in exhaust outlet, and a side position of corresponding motor sub-assembly is in shell
It is equipped with air inlet, water injection pipe protrudes into exhaust outlet, and extends to a side position of opening；Although its mesh for being able to achieve automatic water filling
, but its water flooding regime is lateral mode；Also there is use outside water flooding regime on the market；Both water flooding regimes are all
So that liquid is directly rinsed dust and concentrate position, because the principle dust of centrifugal force can focus on polishing centre, makes
Dust will not be adhered to and coated abrasive surface and be trapped in product surface, thus increase it is invalid between sand paper and dust and product
Friction, and then shorten the sand paper service life and promote the efficiency and yield of product polishing.
Utility model content
In view of the above deficiencies, the purpose of the utility model is to provide a kind of smart structural design, rationally, using center
Water filling, dust elimination effect is good and uses safe central water flooding formula sander.
To achieve the above object, technical solution provided by the utility model is: a kind of central water flooding formula sander,
Including shell, motor sub-assembly and grinding wheel, the motor sub-assembly include cylinder body, blade rotor, water injection needle, go out water needle, upper cover, under
Lid, eccentric shaft, small axle center and chassis screw, the cylinder body are arranged in shell, and upper cover and lower cover corresponding lid is closed in the upper of cylinder body
Lower both ends, the eccentric shaft include the portion that is symmetrically installed and the eccentrically mounted portion that is connected with the portion of being symmetrically installed, the symmetrical peace
It is axially arranged with water filling upper channel in dress portion, is axially arranged under the water filling being connected with the water filling upper channel in eccentrically mounted portion and is led to
Road, the portion of being symmetrically installed are arranged in upper cover and lower cover by bearing respectively, and the blade rotor is located in cylinder body, and fixed
It is symmetrically installed in portion described；The upper end of water filling upper channel is arranged in the lower end of the water injection needle, and is equipped on the housing
The bottom surface of the water injecting pipeline being connected to each other with the water injection needle upper end, the eccentrically mounted portion is equipped with installation cavity, and the small axle center passes through
Bearing is arranged on installation cavity, and the small axle center is equipped with the water receiving channel being connected to each other with the water filling lower channel, the water outlet
On water filling lower channel, the water receiving channel is protruded into lower end for the upper end setting of needle, the lower end in the water receiving channel be equipped with it is described
The compatible internal screw thread of chassis screw, the grinding wheel is screwed into water receiving channel by chassis screw and is fixed on small axle center, described
Chassis screw is equipped with the exhalant canal being connected to each other with the water receiving channel.
As a kind of improvement of the utility model, the outer wall of the shell is equipped with the note being connected with the water injecting pipeline
Water swivel, the water filling connector are connected with water injection pipe.
As a kind of improvement of the utility model, the upper end of the water injection needle, which radially reduces to be formed, infuses connector, middle part diameter
Upper limit disk is formed to increase, and lower end, which radially reduces, forms bet connector, equipped with the between upper note connector and the water injecting pipeline
One oil sealing is equipped with the second oil sealing between the bet connector and water filling upper channel.
As a kind of improvement of the utility model, the upper end of the water filling upper channel is equipped with radially expanded formation connection and opens
Mouthful, the bottom of connection opening is in back taper, and the connection opening is equipped with top pressure closure, which is equipped with its axis
To perforative central through hole, the radially enlarged formation in the top of the top pressure closure can press the sealing in the upper surface for being symmetrically installed portion
Portion, the lower part of the top pressure closure, which radially reduces, forms the compatible auxiliary section with connection opening, auxiliary section insertion connection
In opening, and the auxiliary section is equipped with the card slot for being used to install third oil sealing, and second oil sealing is located on central through hole.
As a kind of improvement of the utility model, the upper end of the water needle out, which radially reduces to be formed, connector, middle part diameter
Lower limit disk is formed to increase, radially diminution forms lower connector out for lower end, is equipped between the upper connector out and water filling lower channel
4th oil sealing goes out under described and is equipped with the 5th oil sealing between connector and water receiving channel.
As a kind of improvement of the utility model, the portion of being symmetrically installed includes sequentially connected rotor department of assembly, bearing
The diameter of socket part and oil sealing auxiliary section, the rotor department of assembly, bearing socket part and oil sealing auxiliary section successively increases in step-like
Greatly；The centre bit of the lower cover installs bearing installation cavity, bearing be arranged in the upper position in bearing installation cavity and with the axis
Bearing sleeve socket part is adapted, and the lower end position in bearing installation cavity is equipped with the 6th oil sealing, the 6th oil sealing and the oil sealing auxiliary section
It is adapted.
As a kind of improvement of the utility model, the upper position in the eccentrically mounted portion is to side direction protrusion, this is partially
The lower position of heart mounting portion is raised to another side direction.
As a kind of improvement of the utility model, the small axle center is arranged on installation cavity by two bearings.
As a kind of improvement of the utility model, the opening of the installation cavity is equipped with the 7th oil compatible with small axle center
Envelope.
As a kind of improvement of the utility model, the grinding wheel includes chassis and the sand for being covered in the chassis lower surface
Paper.
The utility model has the following beneficial effects: the utility model smart structural design, rationally passes through the water injection pipe on shell
Road, water injection needle, the water filling upper channel on eccentric shaft and water filling lower channel go out water needle, water receiving channel and chassis on small axle center
Exhalant canal on screw is connected to form central water flooding pipeline, allows water energy to spray from the center of grinding wheel, can make powder
Dirt is rinsed well outward from centre, realizes that dust will not be adhered to coated abrasive surface and be trapped in product surface, to reduce sand paper
Invalid friction between dust and product reaches sand paper life-time dilatation and promotes the efficiency and yield of product polishing；Separately
Outer the utility model compact overall structure, simply, small in size, use is safe and reliable, and labor intensity is small, answers conducive to being widely popularized
With.
With reference to the accompanying drawing with embodiment, the present invention will be further described.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model.
Fig. 2 is the schematic cross-sectional view of the utility model.
Fig. 3 is the structural schematic diagram of eccentric shaft in the utility model.
Fig. 4 is the structural schematic diagram of top pressure closure in the utility model.
Fig. 5 is the structural schematic diagram of water injection needle in the utility model.
Fig. 6 is the structural schematic diagram for going out water needle in the utility model.
Fig. 7 is the structural schematic diagram in small axle center and chassis screw in the utility model.
Fig. 8 is the water filling working principle diagram of the utility model.
Specific embodiment
Embodiment, referring to Fig. 1 to Fig. 8, a kind of central water flooding formula sander provided in this embodiment comprising shell 1,
Motor sub-assembly 2 and grinding wheel 3, the grinding wheel 3 include chassis 31 and the sand paper 32 for being covered in 31 lower surface of chassis, give sand paper
32 replacement is brought convenience.The motor sub-assembly 2 include cylinder body 21, blade rotor 22, water injection needle 23, go out water needle 24, upper cover 25,
Lower cover 26, eccentric shaft 27, small axle center 28 and chassis screw 29.
Referring to fig. 2, the cylinder body 21 is arranged in shell 1, and upper cover 25 and 26 corresponding lid of lower cover close above and below cylinder body 21
Both ends, the eccentric shaft 27 include being symmetrically installed portion 271 and being symmetrically installed the eccentrically mounted portion 272 that portion 271 is connected, institute with this
It states and is axially arranged with water filling upper channel 2711 in the portion of being symmetrically installed 271, be axially arranged with and the water filling upper channel in eccentrically mounted portion 272
The 2711 water filling lower channels 2721 being connected.
Referring to figs. 2 and 3,25 and of upper cover is accordingly arranged in by upper bearing (metal), lower bearing respectively in the portion 271 that is symmetrically installed
On lower cover 26, the blade rotor 22 is located in cylinder body 21, and is fixed on described be symmetrically installed in portion 271.Specifically, described right
Claim mounting portion 271 include sequentially connected rotor department of assembly 2712, bearing socket part 2713 and oil sealing auxiliary section 2714, described turn
The diameter in subassembly portion 2712, bearing socket part 2713 and oil sealing auxiliary section 2714 is sequentially increased in step-like；The lower cover 26
Centre bit install bearing installation cavity, lower bearing is arranged in the upper position in bearing installation cavity, and the inner ring of the lower bearing with
The bearing socket part 2713 is adapted, and the lower end position in bearing installation cavity is equipped with the 6th oil sealing 9, the 6th oil sealing 9 and institute
Oil sealing auxiliary section 2714 is stated to be adapted.The upper position in the eccentrically mounted portion 272 is pacified to a side direction protrusion 2722, the bias
The lower position in dress portion 272 is to another side direction protrusion 2723.In rotation, vibrating effect can be generated, to reach polishing
Purpose.The bottom surface in the eccentrically mounted portion 272 is equipped with installation cavity, and the small axle center 28 is arranged on installation cavity by bearing.Compared with
Good, the center line of water filling lower channel 2721 and installation cavity on the same axis, on the basis of filling the water upper channel 2711, that is, fills the water
The degree of eccentricity one of the lower channel 2721 relative to the degree of eccentricity and installation cavity for filling the water upper channel 2711 relative to water filling upper channel 2711
It causes, flood effectiveness is good.Preferably, the small axle center 28 is arranged on installation cavity by two bearings, good operating stability.It is described
Small axle center 28 is equipped with the water receiving channel 281 being connected to each other with the water filling lower channel 2721.It adopts eccentric shaft 27 and uses intermediate note
The mode injecting fluid of water, and with waterproof sealing design, be effectively prevented motor in injecting fluid injection overflow
Out, motor is made to be not easy to get rusty, wear.
Referring to fig. 2, the upper end of water filling upper channel 2711 is arranged in Fig. 4 and Fig. 5, the lower end of the water injection needle 23, and in institute
It states shell 1 and is equipped with the water injecting pipeline 11 being connected to each other with 23 upper end of water injection needle, specifically, the upper end of the water injection needle 23 is radial
It reducing and infuses connector 231 on being formed, the radially enlarged formation upper limit disk 232 in middle part, lower end, which radially reduces, forms bet connector 233,
The first oil sealing 4, the bet connector 233 and water filling upper channel 2711 are equipped between the upper note connector 231 and water injecting pipeline 11
Between be equipped with the second oil sealing 5.Preferably, the upper end of the water filling upper channel 2711 is equipped with radially expanded formation connection opening, it should
The bottom of connection opening is in back taper, and the connection opening is equipped with top pressure closure 20, which is equipped with its axis
To perforative central through hole, the radially enlarged formation in the top of the top pressure closure 20 can be pressed in the upper surface in the portion that is symmetrically installed 271
Sealing 201, the lower part of the top pressure closure 20 radially reduces to be formed to be open compatible auxiliary section 202 with the connection, is somebody's turn to do
In the insertion of auxiliary section 202 connection opening, and the auxiliary section 202 is equipped with and is used to install the card slot 203 of third oil sealing 6, and described the
Two oil sealings 5 are located on central through hole.
It is arranged on water filling lower channel 2721 with Fig. 6, the upper end of the water needle 24 out referring to fig. 2, described connect is protruded into lower end
Aquaporin 281.Specifically, the upper end of the water needle 24 out, which radially reduces to be formed, connector 241, under the radially enlarged formation in middle part
Position-arresting disk 242, radially diminution forms lower connector 243 out for lower end, is equipped between the upper connector 241 out and water filling lower channel 2721
4th oil sealing 7 goes out under described and is equipped with the 5th oil sealing 8 between connector 243 and water receiving channel 281.
The lower end in the water receiving channel 281 is equipped with internal screw thread compatible with the chassis screw 29, and the grinding wheel 3 is logical
It crosses chassis screw 29 and is screwed into water receiving channel 281 and be fixed on small axle center 28, the chassis screw 29 is equipped with logical with the water receiving
The exhalant canal 291 that road 281 is connected to each other.
For convenience of connection, the water filling connector 12 being connected with the water injecting pipeline 11 is equipped on the outer wall of the shell 1,
The water filling connector 12 is connected with water injection pipe 13.
For lift-off seal effect, the 7th oil sealing 10 compatible with small axle center 28 is equipped in the opening of the installation cavity.
Rationally it is equipped with the first oil sealing 4, the second oil sealing 5, third oil sealing 6, the 4th oil sealing 7, the 5th oil sealing 8,9 and of the 6th oil sealing
7th oil sealing 10, effectively promotes the compactness of cooperation, and fiting effect is good.To promote a step lift-off seal effect, each oil sealing is also
Outside framework oil seal can be used, the compactness of cooperation can be more promoted.Wherein the first oil sealing 4 can promote note connector 231 and water injection pipe
The cooperation compactness on road 11.The cooperation compactness of third oil sealing 6 energy lift-off seal top cover 20 and water injection needle 23.4th oil sealing, 7 energy
It is lifted out water needle 24 and fills the water the cooperation compactness of lower channel 2721.The cooperation of 6th oil sealing 9 promotion eccentric shaft 27 and lower cover 26
Compactness avoids external water from entering in motor.Second oil sealing 5 and the 5th oil sealing 8 can effectively prevent external water and enter bearing.Second
The water that oil sealing 7 and the second oil sealing 10 can effectively prevent waterway overflows to flow into bearing and groups of motors.
When work, referring to Fig. 8, water successively passes through logical under water injecting pipeline 11, water injection needle 23, water filling upper channel 2711, water filling
Road 2721, go out water needle 24, water receiving channel 281 and exhalant canal 291 from the center of grinding wheel 3 spray, can make dust from
Centre is rinsed well outward, realizes that dust will not be adhered to 32 surface of sand paper and be trapped in 4 surface of product, to reduce sand paper 32
Invalid friction between dust and product greatly prolongs 32 service life of sand paper and promotes the efficiency and yield of product polishing.Through reality
Border use learns that the service life of sand paper 32 about extends one times；Product yield, which has, to be more obviously improved, and enhancing rate is by product material and production
Depending on product require itself, clear critical field is had no.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent
It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model
Constitute any restrictions.As described in the utility model above-described embodiment, using other obtained from same or similar structure
The sander of structure, in scope of protection of the utility model.
Claims (10)
1. a kind of central water flooding formula sander comprising shell, motor sub-assembly and grinding wheel, which is characterized in that the groups of motors
Part includes cylinder body, blade rotor, water injection needle, goes out water needle, upper cover, lower cover, eccentric shaft, small axle center and chassis screw, the cylinder body
Be arranged in shell, upper cover and lower cover corresponding lid close cylinder body upper and lower ends, the eccentric shaft include be symmetrically installed portion and with
The eccentrically mounted portion that the portion of being symmetrically installed is connected, described be symmetrically installed in portion are axially arranged with water filling upper channel, eccentrically mounted portion
On be axially arranged with the water filling lower channel being connected with the water filling upper channel, the portion of being symmetrically installed is arranged by bearing upper respectively
On lid and lower lid, the blade rotor is located in cylinder body, and is fixed on described be symmetrically installed in portion；The lower end of the water injection needle is set
It sets in the upper end of water filling upper channel, and is equipped with the water injecting pipeline being connected to each other with the water injection needle upper end on the housing, it is described inclined
The bottom surface of heart mounting portion be equipped with installation cavity, the small axle center by bearing be arranged on installation cavity, and the small axle center equipped with
The water receiving channel that the water filling lower channel is connected to each other, on water filling lower channel, institute is protruded into lower end for the upper end setting of the water needle out
Water receiving channel is stated, the lower end in the water receiving channel is equipped with internal screw thread compatible with the chassis screw, and the grinding wheel passes through
Chassis screw is screwed into water receiving channel and is fixed on small axle center, and the chassis screw is equipped with to be gone out with what the water receiving channel was connected to each other
Aquaporin.
2. central water flooding formula sander according to claim 1, it is characterised in that: the outer wall of the shell be equipped with
The water filling connector that the water injecting pipeline is connected, the water filling connector are connected with water injection pipe.
3. central water flooding formula sander according to claim 1, it is characterised in that: radially contract the upper end of the water injection needle
Connector, the radially enlarged formation upper limit disk in middle part are infused in small formation, lower end, which radially reduces, forms bet connector, the upper note connector
It is equipped with the first oil sealing between water injecting pipeline, is equipped with the second oil sealing between the bet connector and water filling upper channel.
4. central water flooding formula sander according to claim 3, it is characterised in that: the upper end of the water filling upper channel is set
There is radially expanded formation connection opening, the bottom of connection opening is in back taper, and the connection opening is equipped with top pressure closure, should
Top pressure closure is equipped with the central through hole axially penetrated through, and the radially enlarged formation in the top of the top pressure closure can be pressed symmetrical
The sealing of the upper surface of mounting portion, the lower part of the top pressure closure, which radially reduces, forms the compatible cooperation with connection opening
Portion, auxiliary section insertion connects in opening, and the auxiliary section is equipped with the card slot for being used to install third oil sealing, second oil sealing
On central through hole.
5. central water flooding formula sander according to claim 1, it is characterised in that: radially contract the upper end of the water needle out
Go out connector, the radially enlarged formation lower limit disk in middle part in small formation, lower end radial direction, which reduces, goes out connector under formation, described above to go out connector
It is equipped with the 4th oil sealing between water filling lower channel, goes out under described and is equipped with the 5th oil sealing between connector and water receiving channel.
6. central water flooding formula sander according to claim 1, it is characterised in that: the portion of being symmetrically installed includes successively
Rotor department of assembly, bearing socket part and the oil sealing auxiliary section of connection, the rotor department of assembly, bearing socket part and oil sealing auxiliary section
Diameter be sequentially increased in step-like；The centre bit of the lower cover installs bearing installation cavity, and bearing is arranged in bearing installation cavity
Upper position and be adapted with the bearing socket part, the lower end position in bearing installation cavity be equipped with the 6th oil sealing, the 6th
Oil sealing is adapted with the oil sealing auxiliary section.
7. central water flooding formula sander according to claim 1 or 6, it is characterised in that: the top in the eccentrically mounted portion
To side direction protrusion, the lower position in the eccentrically mounted portion is raised to another side direction for position.
8. central water flooding formula sander according to claim 1, it is characterised in that: the small axle center passes through two bearings
It is arranged on installation cavity.
9. central water flooding formula sander according to claim 1 or 8, it is characterised in that: set in the opening of the installation cavity
There is the 7th oil sealing compatible with small axle center.
10. central water flooding formula sander according to claim 1, it is characterised in that: the grinding wheel includes chassis and patch
Overlay on the sand paper of the chassis lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821986967.1U CN209239798U (en) | 2018-11-29 | 2018-11-29 | Central water flooding formula sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821986967.1U CN209239798U (en) | 2018-11-29 | 2018-11-29 | Central water flooding formula sander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209239798U true CN209239798U (en) | 2019-08-13 |
Family
ID=67529755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821986967.1U Active CN209239798U (en) | 2018-11-29 | 2018-11-29 | Central water flooding formula sander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209239798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948388A (en) * | 2019-12-19 | 2020-04-03 | 蔡晨波 | Energy-saving cooling device on tool grinding machine |
-
2018
- 2018-11-29 CN CN201821986967.1U patent/CN209239798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948388A (en) * | 2019-12-19 | 2020-04-03 | 蔡晨波 | Energy-saving cooling device on tool grinding machine |
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