CN108747776A - A kind of efficient polisher with dust-absorbing function - Google Patents
A kind of efficient polisher with dust-absorbing function Download PDFInfo
- Publication number
- CN108747776A CN108747776A CN201810575926.1A CN201810575926A CN108747776A CN 108747776 A CN108747776 A CN 108747776A CN 201810575926 A CN201810575926 A CN 201810575926A CN 108747776 A CN108747776 A CN 108747776A
- Authority
- CN
- China
- Prior art keywords
- dust
- rotary shaft
- machine ontology
- polishing machine
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
-
- 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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
- B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of efficient polishers with dust-absorbing function, including polishing machine ontology, it weighs bar and the second rotary shaft, hydraulic press is installed on the inside of the polishing machine ontology, the other side of the motor connects the first rotary shaft, the avris of first rotary shaft is respectively arranged with fixed block, polishing disk and retaining element, and fixed block, polishing disk and retaining element are respectively positioned on the outside of polishing machine ontology, the polishing disk is installed between fixed block and retaining element, the top and bottom of the motor are vertically connected with bar of weighing, the bottom of the suction box is connected with outlet passageway, second rotary shaft is installed on the inside of suction box, the avris of second rotary shaft is fixed with second gear, it is provided with second gear on the outside of the suction box, the dust collecting bin is set to the top of polishing machine ontology.The efficient polisher with dust-absorbing function has the function of efficient absorption dust, and the position of polishing disk can arbitrarily move.
Description
Technical field
The present invention relates to polishing machine technical field, specially a kind of efficient polisher with dust-absorbing function.
Background technology
Polishing machine is also referred to as grinder, is commonly used as mechanical polishing, polishing and waxing;Its operation principle is:Motor
Drive be mounted on polishing machine on sponge or wool polishing disk high speed rotation, due to polishing disk and polishing agent collective effect and with wait for
Surface is thrown to rub, so can reach removal lacquer painting pollution, oxide layer, shallow trace purpose;The rotating speed of polishing disk generally exists
1500-3000r/min, mostly variable speed, when construction, can adjust at any time as needed.
However existing polishing machine, the ineffective of dust is absorbed, and the position of polishing disk is not easy to move, to inconvenient
It is polished in different size of object.In view of the above-mentioned problems, being badly in need of carrying out innovative design on the basis of original polishing machine.
Invention content
The purpose of the present invention is to provide a kind of efficient polishers with dust-absorbing function, are carried with solving above-mentioned background technology
The polishing machine having absorbs the ineffective of dust, and the position of polishing disk is not easy to move, to be not easy to different big
The problem of small object is polished.
To achieve the above object, the present invention provides the following technical solutions:A kind of efficient polisher with dust-absorbing function, packet
It includes polishing machine ontology, weigh bar and the second rotary shaft, hydraulic press, and the one of hydraulic press is installed on the inside of the polishing machine ontology
End is connected with telescopic rod, and the side of motor, the first rotation of other side connection of the motor are fixed in the end of telescopic rod
Axis, and the avris of the first rotary shaft is fixed with first gear, the avris of first rotary shaft is respectively arranged with fixed block, polishing
Disk and retaining element, and fixed block, polishing disk and retaining element are respectively positioned on the outside of polishing machine ontology, the polishing disk is installed on
Between fixed block and retaining element, and retaining element is located at the first rotation the tip of the axis, and the top and bottom of the motor are hung down
It is direct-connected to be connected to bar of weighing, and the side end for bar of weighing is installed on the avris of polishing machine ontology, and the side end setting of another bar of weighing
In the top of suction box, the bottom of the suction box is connected with outlet passageway, and one end of outlet passageway is located at polishing machine ontology
Outside, second rotary shaft is installed on the inside of suction box, and is fixed with rotating vane on the outside of the second rotary shaft, described
The avris of second rotary shaft is fixed with second gear, and second gear is located at the lower section of first gear, the outside of the suction box
It is provided with second gear, and is connected with dust sucting pipeline at the top of suction box, and dust collecting bin is installed on dust sucting pipeline, institute
The top that dust collecting bin is set to polishing machine ontology is stated, and one end of dust sucting pipeline is connected with air inlet, and dust sucting pipeline
The junction of air inlet is provided with polishing machine ontology.
Preferably, first rotary shaft and retaining element constitute screw connection structure, and retaining element, polishing disk and solid
Determine mutually to be bonded between block.
Preferably, the first gear engages connection structure with second gear composition.
Preferably, the bar of weighing is constituted with the outside at the top of the inside of polishing machine bodies top and suction box respectively slides
Connection structure, and bar of weighing is symmetrical about the central axis of motor.
Preferably, the suction box is designed as whirlpool wheel topology, and the rotating vane inside suction box is in the second rotary shaft
Upper equidistantly distributed.
Preferably, the air inlet is designed as circular configuration, and the center of circle of air inlet and the bottom of polishing disk are positioned at same
Horizontal plane.
Compared with prior art, the beneficial effects of the invention are as follows:The efficient polisher with dust-absorbing function, is provided with,
And retaining element can not be used since polishing disk use for a long time causes to wear, and it at this time can be by backing out retaining element, it will
Polishing disk is removed, and the polishing disk more renewed to ensure that the quality of polishing, while being provided with hydraulic press, and hydraulic press
Have the function of it is flexible, since the article size that is polished is different, when the position of the first rotary shaft is fixed, it has not been convenient to throw
Light, therefore hydraulic press drives motor movement by telescopic rod, while motor drives polishing disk to move by the first rotary shaft, to adjust
Save polishing disk position, different size of object is polished to facilitate, in addition to this, be additionally provided with first gear and
Second gear, and first gear and second gear are that engagement connects, therefore ensure that the utilization rate of energy, while avoiding the energy
Waste can will when and being provided with suction box and dust collecting bin, therefore ensure that the rotation of the rotating vane inside suction box
Gas discharge inside suction box, and then with extraneous formation draught head inside suction box, the powder generated when to absorb polishing,
Dust is avoided to be absorbed by user.
Description of the drawings
Fig. 1 is positive structure diagram of the present invention;
Fig. 2 is side elevational cross-section structural schematic diagram of the present invention;
Fig. 3 is side structure schematic view of the present invention;
Fig. 4 is the mounting structure schematic diagram of retaining element of the present invention.
In figure:1, polishing machine ontology;2, hydraulic press;3, telescopic rod;4, motor;5, the first rotary shaft;6, first gear;7,
Fixed block;8, polishing disk;9, retaining element;10, it weighs bar;11, handle;12, suction box;13, outlet passageway;14, the second rotation
Shaft;15, rotating vane;16, second gear;17, dust sucting pipeline;18, dust collecting bin;19, air inlet.
Specific implementation mode
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 describes, 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.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution:A kind of efficient polisher with dust-absorbing function, including
Polishing machine ontology 1, telescopic rod 3, motor 4, the first rotary shaft 5, first gear 6, fixed block 7, polishing disk 8, is fixed hydraulic press 2
Element 9, bar 10 of weighing, handle 11, suction box 12, outlet passageway 13, the second rotary shaft 14, rotating vane 15, second gear 16,
Dust sucting pipeline 17, dust collecting bin 18 and air inlet 19, the inside of polishing machine ontology 1 are equipped with hydraulic press 2, and hydraulic press 2
One end is connected with telescopic rod 3, and the side of motor 4, the first rotation of other side connection of motor 4 are fixed in the end of telescopic rod 3
Shaft 5, and the avris of the first rotary shaft 5 is fixed with first gear 6, the avris of the first rotary shaft 5 be respectively arranged with fixed block 7,
Polishing disk 8 and retaining element 9, and fixed block 7, polishing disk 8 and retaining element 9 are respectively positioned on the outside of polishing machine ontology 1, polishing disk
8 are installed between fixed block 7 and retaining element 9, and retaining element 9 is located at the end of the first rotary shaft 5, the top of motor 4 and
Bottom is vertically connected with bar 10 of weighing, and the side end for bar 10 of weighing is installed on the avris of polishing machine ontology 1, and another weighs
The side end of bar 10 is set to the top of suction box 12, and the bottom of suction box 12 is connected with outlet passageway 13, and outlet passageway 13
One end is located at the outside of polishing machine ontology 1, and the second rotary shaft 14 is installed on the inside of suction box 12, and the second rotary shaft 14 is outer
Side is fixed with rotating vane 15, and the avris of the second rotary shaft 14 is fixed with second gear 16, and second gear 16 is located at the first tooth
The lower section of wheel 6, the outside of suction box 12 is provided with second gear 16, and the top of suction box 12 is connected with dust sucting pipeline 17, and
And dust collecting bin 18 is installed on dust sucting pipeline 17, dust collecting bin 18 is set to the top of polishing machine ontology 1, and sweep-up pipe
The one end in road 17 is connected with air inlet 19, and the junction of dust sucting pipeline 17 and air inlet 19 is provided with polishing machine ontology 1,
First rotary shaft 5 and retaining element 9 constitute screw connection structure, and retaining element 9, polishing disk 8 and fixed block 7 it
Between be mutually bonded, facilitate the replacement of polishing disk 8, and ensure that the first rotary shaft 5 rotation when polishing disk 8 and then turn together
It is dynamic,
First gear 6 engages connection structure with the composition of second gear 16, ensure that second gear 16 when first gear 6 rotates
It can rotate together, and the rotating vane 15 in the second rotary shaft 14 can be driven to rotate, to improve the utilization rate of energy,
Bar 10 of weighing constitutes the knot that is slidably connected with the outside at the top of the inside at 1 top of polishing machine ontology and suction box 12 respectively
Structure, and bar 10 of weighing is symmetrical about the central axis of motor 4, ensure that the movement that motor 4 can be horizontal, while alleviating flexible
The heavy burden of bar 3,
Suction box 12 is designed as whirlpool wheel topology, and the rotating vane 15 inside suction box 12 is first-class in the second rotary shaft 14
Spacing is distributed, and when ensure that the rotating vane 15 inside suction box 12 rotates, the gas inside suction box 12 can be discharged, into
And 12 inside of suction box and extraneous formation draught head, the powder generated when to absorb polishing,
Air inlet 19 is designed as circular configuration, and the center of circle of air inlet 19 and the bottom of polishing disk 8 are located at same level,
It ensure that the effective area for absorbing dust is sufficiently large, while the absorbability that this position generates is maximum.
Operation principle:When using the efficient polisher with dust-absorbing function, start hydraulic press 2 first, due to hydraulic pressure
Machine 2 has Telescopic, is existing product, therefore its structure is not described in detail, then hydraulic press 2 passes through 3 band of telescopic rod
Dynamic motor 4 moves, while motor 4 drives polishing disk 8 thereon to move by the first rotary shaft 5, until the position of polishing disk 8 is suitable
Close polishing, you can stop the work of hydraulic press 2, then start motor 4, motor 4 drives the rotation of the first rotary shaft 5 at this time, simultaneously
It drives the polishing disk 8 in the first rotary shaft 5 to rotate, object can be polished at this time, while first in the first rotary shaft 5
Gear 6 rotates together, and first gear 6 drives second gear 16 to rotate, and then second gear 16 drives the second rotation thereon
Axis 14 rotates, and drives rotating vane 15 thereon to rotate followed by the second rotary shaft 14, what the rotation of rotating vane 15 at this time generated
Gas inside suction box 12 is discharged centrifugal force from outlet passageway 13, and air pressure inside suction box 12 at this time declines, and outer
Boundary generates draught head, the dust generated when polishing at this time, you can under the action of draught head, absorbed by air inlet 19, then lead to
Dust sucting pipeline 17 is crossed, the inside of dust collecting bin 18 is entered, is then filtered by dust collecting bin 18, only gas passes through at this time
Dust sucting pipeline 17 flows to the inside of suction box 12, is then discharged from outlet passageway 13, such as needs to change polishing disk 8, you can back out
Retaining element 9 removes polishing disk 8.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacing, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection domain of invention.
Claims (6)
1. a kind of efficient polisher with dust-absorbing function, including polishing machine ontology (1), bar of weighing (10) and the second rotary shaft
(14), it is characterised in that:Hydraulic press (2), and one end connection of hydraulic press (2) are installed on the inside of the polishing machine ontology (1)
There is a telescopic rod (3), and the side of motor (4) is fixed in the end of telescopic rod (3), the other side connection of the motor (4) the
One rotary shaft (5), and the avris of the first rotary shaft (5) is fixed with first gear (6), the avris point of first rotary shaft (5)
It is not provided with fixed block (7), polishing disk (8) and retaining element (9), and fixed block (7), polishing disk (8) and retaining element (9) are equal
Outside positioned at polishing machine ontology (1), the polishing disk (8) are installed between fixed block (7) and retaining element (9), and fixed
Element (9) is located at the end of the first rotary shaft (5), and the top and bottom of the motor (4) are vertically connected with bar of weighing (10),
And the side end of bar of weighing (10) is installed on the avris of polishing machine ontology (1), and the side end of another bar of weighing (10) is set to suction
The bottom at the top of dirt case (12), the suction box (12) is connected with outlet passageway (13), and one end position of outlet passageway (13)
Outside in polishing machine ontology (1), second rotary shaft (14) are installed on the inside of suction box (12), and the second rotary shaft
(14) rotating vane (15) is fixed on the outside of, the avris of second rotary shaft (14) is fixed with second gear (16), and
Two gears (16) are located at the lower section of first gear (6), and second gear (16), and dust suction are provided on the outside of the suction box (12)
It is connected with dust sucting pipeline (17) at the top of case (12), and dust collecting bin (18), the ash are installed on dust sucting pipeline (17)
Dirt collecting box (18) is set to the top of polishing machine ontology (1), and one end of dust sucting pipeline (17) is connected with air inlet (19), and
And the junction of dust sucting pipeline (17) and air inlet (19) is provided with polishing machine ontology (1).
2. a kind of efficient polisher with dust-absorbing function according to claim 1, it is characterised in that:First rotation
Axis (5) constitutes screw connection structure with retaining element (9), and homogeneous between retaining element (9), polishing disk (8) and fixed block (7)
Mutually fitting.
3. a kind of efficient polisher with dust-absorbing function according to claim 1, it is characterised in that:The first gear
(6) connection structure is engaged with second gear (16) composition.
4. a kind of efficient polisher with dust-absorbing function according to claim 1, it is characterised in that:The bar of weighing
(10) sliding connection structure is constituted with the inside at the top of polishing machine ontology (1) and the outside at the top of suction box (12) respectively, and claimed
Weight bar (10) is symmetrical about the central axis of motor (4).
5. a kind of efficient polisher with dust-absorbing function according to claim 1, it is characterised in that:The suction box
(12) it is designed as whirlpool wheel topology, and the rotating vane (15) of suction box (12) inside equidistantly divides in the second rotary shaft (14)
Cloth.
6. a kind of efficient polisher with dust-absorbing function according to claim 1, it is characterised in that:The air inlet
(19) it is designed as circular configuration, and the center of circle of air inlet (19) and the bottom of polishing disk (8) are located at same level.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810575926.1A CN108747776B (en) | 2018-06-06 | 2018-06-06 | High-efficient burnishing machine with dust absorption function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810575926.1A CN108747776B (en) | 2018-06-06 | 2018-06-06 | High-efficient burnishing machine with dust absorption function |
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CN108747776A true CN108747776A (en) | 2018-11-06 |
CN108747776B CN108747776B (en) | 2020-06-19 |
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CN201810575926.1A Active CN108747776B (en) | 2018-06-06 | 2018-06-06 | High-efficient burnishing machine with dust absorption function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110385631A (en) * | 2019-07-01 | 2019-10-29 | 合肥高科科技股份有限公司 | A kind of sheet metal component burnishing device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000254916A (en) * | 1999-03-04 | 2000-09-19 | Koumu:Kk | Hand cutter |
CN104511813A (en) * | 2014-12-10 | 2015-04-15 | 苏州立人听力器材有限公司 | Disc-type plane grinding device |
CN107097142A (en) * | 2017-06-15 | 2017-08-29 | 柳州市文宇科技服务有限公司 | A kind of burnishing device for building board surface |
CN206855173U (en) * | 2017-07-08 | 2018-01-09 | 孙焕焕 | A kind of hand-held builds interior decoration sanding apparatus |
CN107745299A (en) * | 2017-11-03 | 2018-03-02 | 刘世荣 | A kind of construction and decoration wall surface putty sanding apparatus |
CN107953211A (en) * | 2017-12-22 | 2018-04-24 | 浙江利永达制冷机械有限公司 | A kind of sander for valve |
-
2018
- 2018-06-06 CN CN201810575926.1A patent/CN108747776B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000254916A (en) * | 1999-03-04 | 2000-09-19 | Koumu:Kk | Hand cutter |
CN104511813A (en) * | 2014-12-10 | 2015-04-15 | 苏州立人听力器材有限公司 | Disc-type plane grinding device |
CN107097142A (en) * | 2017-06-15 | 2017-08-29 | 柳州市文宇科技服务有限公司 | A kind of burnishing device for building board surface |
CN206855173U (en) * | 2017-07-08 | 2018-01-09 | 孙焕焕 | A kind of hand-held builds interior decoration sanding apparatus |
CN107745299A (en) * | 2017-11-03 | 2018-03-02 | 刘世荣 | A kind of construction and decoration wall surface putty sanding apparatus |
CN107953211A (en) * | 2017-12-22 | 2018-04-24 | 浙江利永达制冷机械有限公司 | A kind of sander for valve |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110385631A (en) * | 2019-07-01 | 2019-10-29 | 合肥高科科技股份有限公司 | A kind of sheet metal component burnishing device |
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CN108747776B (en) | 2020-06-19 |
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Effective date of registration: 20200528 Address after: 321300 north of 1 floor, 1 factory building, 1366 West Pine Road, Xicheng, Yongkang, Jinhua, Zhejiang. Applicant after: ZHEJIANG SPRING TECHNOLOGY Co.,Ltd. Address before: 241000 Anhui city of Wuhu province Jiujiang Economic Development Zone flying road No. 9 Applicant before: ANHUI WUHU OORT OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
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