CN110625498A - Rotation type multi-angle timber apron dull polish equipment - Google Patents
Rotation type multi-angle timber apron dull polish equipment Download PDFInfo
- Publication number
- CN110625498A CN110625498A CN201911034653.0A CN201911034653A CN110625498A CN 110625498 A CN110625498 A CN 110625498A CN 201911034653 A CN201911034653 A CN 201911034653A CN 110625498 A CN110625498 A CN 110625498A
- Authority
- CN
- China
- Prior art keywords
- wood floor
- rotating shaft
- angle
- movably connected
- floor sanding
- 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.)
- Withdrawn
Links
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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
-
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/28—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding wood
Abstract
The invention relates to the technical field of wood floor sanding, and discloses rotary multi-angle wood floor sanding equipment which comprises a shell, wherein a rotating shaft is movably connected inside the shell, a gear is meshed at the joint of the rotating shaft and the shell, a screw is movably connected to the surface of the gear, a clamping piece is movably connected to the surface of the screw, a rotating sleeve is sleeved on the surface of the rotating shaft, a spring rod is movably connected to one side of the rotating sleeve, which is far away from the rotating shaft, and a supporting frame is fixedly connected to one end, which is far away from the rotating sleeve, of the spring rod. The sucked air flow enters the spring rod through the air hole, the spring rod is blown to expand and push the support frame to be close to the surface of the wood board, and meanwhile, the grinding aid in the storage tank can be sprayed out from the surface of the grinding sheet under the action of centrifugal force and the air flow, so that the effect of uniformly distributing the grinding aid between the grinding position and the position to be ground is achieved; because a closed space is formed between the abrasive sheet and the wood board, the generated dust and debris can not splash everywhere.
Description
Technical Field
The invention relates to the technical field of wood floor sanding, in particular to rotary multi-angle wood floor sanding equipment.
Background
The bamboo-wood floor is a compound regenerated product of bamboo and wood, and is used for ground decoration of houses, office buildings and other places; the wood floor is divided into smooth surface and frosted surface, and the frosted wood floor is popular with consumers due to the characteristics of wear resistance, dirt resistance and the like.
The existing wood floor grinding device usually adopts a fixed support frame to fix a wood board, then uses a grinding sheet to move and grind the surface of the wood board, and grinding aids are required to be added in the grinding process, so that the grinding speed and quality are improved.
However, in the existing polishing device, the length of the clamping wood plate rod piece cannot be adjusted according to the working requirement, so that the adaptability of the polishing device is poor; and the angle between plank and the piece of polishing also can't be adjusted as required, leads to its use limitation higher, and at the in-process of polishing moreover, artificial or the even distribution of grinding aid that adds of machinery can not reduce its working effect in the position of polishing, consequently a rotation type multi-angle timber apron dull polish equipment comes into production at will.
Disclosure of Invention
In order to realize the purposes of conveniently adjusting the length and the angle and uniformly distributing grinding aids between the grinding position and the position to be ground, the invention provides the following technical scheme: the utility model provides a rotation type multi-angle timber apron dull polish equipment, includes the casing, the inside swing joint of casing has the pivot, and the junction meshing of pivot and casing has the gear, and the surperficial swing joint of gear has the screw rod, and the surperficial swing joint of screw rod has the holder, the swivel sleeve has been cup jointed on the surface of pivot, and one side swing joint that the pivot was kept away from to the swivel sleeve has the spring beam, and the one end fixedly connected with support frame of swivel sleeve is kept away from to the spring beam, the inside fixedly connected with stock chest of support frame, the fixed surface of stock chest is.
The invention has the beneficial effects that:
1. the wood floor to be polished is placed on the surface of the clamping piece, the driving part is started to enable the rotating shaft to rotate, the rotating shaft rotates to drive the rotating sleeve meshed with the rotating shaft to rotate along with the rotating shaft, according to the polishing degree of the wood floor, the rotating sleeve can be rotated to increase or reduce the opening degree of the air hole, the rotating shaft and the rotating sleeve rotate to generate a suction force taking the rotating shaft as the center, namely, air flow in the shell is disturbed, the sucked air flow enters the spring rod through the air hole, the spring rod is blown to expand and enlarge, the supporting frame is pushed to be close to the surface of the wood floor, meanwhile, grinding aid in the storage tank can be sprayed out from the surface of the abrasive sheet under the action of centrifugal force and the air flow, and therefore the effect that the grinding aid is uniformly distributed between the polishing position and; because a closed space is formed between the abrasive sheet and the wood board, the generated dust and debris can not splash everywhere.
2. Through according to the size of the plank of treating polishing, remove the holder on the surface of gear, make screw rod and gear engagement swing joint, be connected because of pivot and gear engagement, so when the pivot is rotatory, the screw rod of symmetry is driven and is close to each other to through connecting rod extrusion spring, the spring is compressed and can promote the cardboard of symmetry and be close to each other, be connected with the plank because of the dull polish piece is the rotation type, thereby reached the effect of being convenient for adjust the angle between plank centre gripping length and plank and the dull polish piece.
Preferably, the surface of the rotating sleeve is provided with an air hole, and the air hole has the function of controlling the amount of air entering the spring rod.
Preferably, the inside of the clamping piece is movably connected with a connecting rod.
Preferably, a spring is sleeved on the surface of the connecting rod.
Preferably, one end of the connecting rod, which is far away from the clamping piece, is movably connected with a clamping plate, the surface of the clamping plate is provided with a rubber sleeve, and clamping traces are left on the surface of the placed wood plate.
Preferably, the connecting part of the rotating sleeve and the rotating shaft is fixedly connected with teeth, so that the rotating sleeve and the rotating shaft can be meshed and connected better.
Preferably, one end of the connecting rod, which is far away from the clamping plate, is connected with a sliding rail in a sliding manner.
Preferably, the quantity of holder is four, and two bisymmetry are placed, can polish two planks simultaneously for work efficiency in, make to polish and form sealed space, prevent to polish in-process dust piece and splash everywhere and influence the air quality.
Drawings
FIG. 1 is a front cross-sectional view of the housing construction of the present invention;
FIG. 2 is a schematic view of a rotating shaft structure according to the present invention;
FIG. 3 is a schematic view of the spring rod structure of the present invention;
FIG. 4 is a schematic view of a clip according to the present invention;
fig. 5 is a partially enlarged view of a portion a in fig. 4.
In the figure: 1-shell, 2-rotating shaft, 3-gear, 4-screw, 5-clamping piece, 6-rotating sleeve, 7-spring rod, 8-supporting frame, 9-storage tank, 10-sanding sheet, 11-air hole, 12-connecting rod, 13-spring, 14-clamping plate, 15-tooth and 16-sliding rail.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a rotary multi-angle wood floor sanding device comprises a housing 1, a rotating shaft 2 is movably connected inside the housing 1, a gear 3 is engaged at the joint of the rotating shaft 2 and the housing 1, a screw 4 is movably connected on the surface of the gear 3, a clamping piece 5 is movably connected on the surface of the screw 4, the number of the clamping piece 5 is four, the clamping piece 5 is symmetrically arranged in pairs, two wood boards can be simultaneously sanded, working efficiency is improved, a sealed space is formed by sanding, dust and debris are prevented from splashing around during sanding to affect air quality, a connecting rod 12 is movably connected inside the clamping piece 5, one end of the connecting rod 12, which is far away from a clamping plate 14, is slidably connected with a sliding rail 16, a spring 13 is sleeved on the surface of the connecting rod 12, the clamping piece 5 is moved on the surface of the gear 3 according to the size of the wood board to be sanded, because the rotating shaft 2 is meshed with the gear 3, when the rotating shaft 2 rotates, the symmetrical screw rods 4 are driven to approach each other, the spring 13 is extruded by the connecting rod 12, the spring 13 is compressed to push the symmetrical clamping plates 14 to approach each other, the clamping plates 14 are movably connected to one end of the connecting rod 12 far away from the clamping piece 5, rubber sleeves are arranged on the surfaces of the clamping plates 14, clamping traces are left on the surfaces of the wood boards, the rotating sleeve 6 is sleeved on the surface of the rotating shaft 2, teeth 15 are fixedly connected to the joint of the rotating sleeve 6 and the rotating shaft 2, the rotating sleeve 6 is better meshed and connected with the rotating shaft, air holes 11 are formed in the surface of the rotating sleeve 6, the air holes 11 control the amount of air entering the spring rods 7, according to the grinding degree of the wood boards, the opening degree of the air holes 11 is increased or reduced by the rotating sleeve 6, and the rotating shaft 2 and, the inside air current of 1 of disturbing casing promptly, the sucked air current gets into inside spring beam 7 through gas pocket 11, and blow the expansion grow with spring beam 7, promote support frame 8 and be close to the plank surface, meanwhile, the grinding aid in the stock chest 9 is under the effect of centrifugal force and air current, can follow dull polish piece 10 surface blowout, one side swing joint that pivot 2 was kept away from to swivel housing 6 has spring beam 7, the one end fixedly connected with support frame 8 of swivel housing 6 is kept away from to spring beam 7, the inside fixedly connected with stock chest 9 of support frame 8, the fixed surface of stock chest 9 is connected with dull polish piece 10.
When the grinding aid storage tank is used, a wood floor to be ground is placed on the surface of the clamping piece 5, the driving part is started to enable the rotating shaft 2 to rotate, the rotating shaft 2 rotates to drive the rotating sleeve 6 meshed with the rotating shaft 2 to rotate along with the rotating shaft, according to the grinding degree of the wood floor, the opening degree of the air hole 11 can be increased or decreased by rotating the rotating sleeve 6, the rotating shaft 2 and the rotating sleeve 6 can generate a suction force with the rotating shaft 2 as the center, namely, air flow in the shell 1 is disturbed, the sucked air flow enters the spring rod 7 through the air hole 11, the spring rod 7 is blown to expand and enlarge, the supporting frame 8 is pushed to be close to the surface of the wood floor, meanwhile, grinding aid in the storage tank 9 can be sprayed out from the surface of the grinding piece 10 under the effects of centrifugal force and air flow, and the effect of enabling the grinding aid to; because a closed space is formed between the abrasive sheet 10 and the wood board, the generated dust debris cannot splash everywhere; through according to the size of the plank of treating polishing, remove holder 5 on the surface of gear 3, make screw rod 4 and gear 3 meshing swing joint, be connected because of pivot 2 and gear 3 meshing, so when pivot 2 is rotatory, the screw rod 4 of symmetry is driven and is close to each other, and through connecting rod 12 extrusion spring 13, spring 13 is compressed and can promote the cardboard 14 of symmetry and be close to each other, be connected for rotation type and plank because of dull polish piece 10, thereby play the effect of being convenient for adjust the angle between plank centre gripping length and plank and the dull polish piece 10.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a rotation type multi-angle timber apron dull polish equipment, includes casing (1), its characterized in that: the inside swing joint of casing (1) has pivot (2), and the junction meshing of pivot (2) and casing (1) has gear (3), and the surface swing joint of gear (3) has screw rod (4), and the surface swing joint of screw rod (4) has holder (5).
The surface of pivot (2) has cup jointed swivel housing (6), and one side swing joint that pivot (2) were kept away from in swivel housing (6) has spring beam (7), and one end fixedly connected with support frame (8) of swivel housing (6) are kept away from in spring beam (7), inside fixedly connected with stock chest (9) of support frame (8), and the fixed surface of stock chest (9) is connected with dull polish piece (10).
2. The rotary multi-angle wood floor sanding device of claim 1, wherein: the surface of the rotary sleeve (6) is provided with air holes (11).
3. The rotary multi-angle wood floor sanding device of claim 1, wherein: the inside of the clamping piece (5) is movably connected with a connecting rod (12).
4. The rotary multi-angle wood floor sanding device of claim 3, wherein: and a spring (13) is sleeved on the surface of the connecting rod (12).
5. The rotary multi-angle wood floor sanding device of claim 1, wherein: one end of the connecting rod (12) far away from the clamping piece (5) is movably connected with a clamping plate (14).
6. The rotary multi-angle wood floor sanding device of claim 1, wherein: the joint of the rotating sleeve (6) and the rotating shaft (2) is fixedly connected with teeth (15).
7. The rotary multi-angle wood floor sanding device of claim 1, wherein: one end of the connecting rod (12) far away from the clamping plate (14) is connected with a sliding rail (16) in a sliding manner.
8. The rotary multi-angle wood floor sanding device of claim 1, wherein: the number of the clamping pieces (5) is four.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911034653.0A CN110625498A (en) | 2019-10-29 | 2019-10-29 | Rotation type multi-angle timber apron dull polish equipment |
| PCT/CN2020/091807 WO2021082411A1 (en) | 2019-10-29 | 2020-05-22 | Rotary multi-angle wood floor grinding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911034653.0A CN110625498A (en) | 2019-10-29 | 2019-10-29 | Rotation type multi-angle timber apron dull polish equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110625498A true CN110625498A (en) | 2019-12-31 |
Family
ID=68978056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911034653.0A Withdrawn CN110625498A (en) | 2019-10-29 | 2019-10-29 | Rotation type multi-angle timber apron dull polish equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110625498A (en) |
| WO (1) | WO2021082411A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604745A (en) * | 2020-06-03 | 2020-09-01 | 临沂湾格岛家具有限公司 | High-end furniture raw and other materials paulownia manufacture equipment |
| CN112605766A (en) * | 2020-12-04 | 2021-04-06 | 刀智宝 | A brushing oil integration equipment of polishing for wooden table desktop |
| WO2021082411A1 (en) * | 2019-10-29 | 2021-05-06 | 浙江砚童家具有限公司 | Rotary multi-angle wood floor grinding apparatus |
| CN116586153A (en) * | 2023-05-31 | 2023-08-15 | 苏州新亿泰建材有限公司 | Machine-made sand apparatus for producing for high performance concrete |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113829195B (en) * | 2021-08-17 | 2022-12-20 | 安徽志昌竹木科技有限公司 | Production of bamboo-wood composite floor is with device that can high-efficient burring |
| CN114683114B (en) * | 2022-03-23 | 2023-09-01 | 江西益佳木业有限公司 | Grinding device is used in wood-based plate processing |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3962831A (en) * | 1974-05-30 | 1976-06-15 | Sanko Mokkoki Co., Ltd. | Automatic grinding method and apparatus for wood working |
| CN202021550U (en) * | 2010-12-23 | 2011-11-02 | 江苏中核华兴建筑装饰有限公司 | Dust cover for grinder and dust-free angle grinder |
| CN106617760A (en) * | 2017-02-28 | 2017-05-10 | 湖州黛丝娅鞋业有限公司 | Antitheft footwear storage device |
| CN107363695A (en) * | 2017-09-05 | 2017-11-21 | 陈壮壮 | A kind of stainless steel cylinder polishing wire drawing process equipment |
| CN208201800U (en) * | 2018-04-20 | 2018-12-07 | 河南黄河水工机械有限公司 | A kind of spiral headstock gear |
| CN208276638U (en) * | 2018-05-16 | 2018-12-25 | 云南活达木业制造有限公司 | A kind of positive and negative polissoir of timber floor processing |
| CN208744500U (en) * | 2018-09-05 | 2019-04-16 | 浙江交工高等级公路养护有限公司 | Descaling bolts device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130237133A1 (en) * | 2012-03-06 | 2013-09-12 | Shi-Duang Chen | Grinder equipped with a curved motion mechanism |
| CN107756218A (en) * | 2017-09-14 | 2018-03-06 | 东莞市联洲知识产权运营管理有限公司 | A kind of multi-angle regulation handware automatic polishing mechanism |
| CN207771568U (en) * | 2018-01-05 | 2018-08-28 | 台州市永安机械有限公司 | New grinding disk |
| CN109227345B (en) * | 2018-09-27 | 2020-03-17 | 盐城意权汽配制造有限公司 | Tubular burnishing device for machining of conveniently carrying out multi-angle work |
| CN209190596U (en) * | 2018-11-29 | 2019-08-02 | 上海昶义自动化设备有限公司 | A kind of fixture convenient for protection |
| CN209190461U (en) * | 2018-12-27 | 2019-08-02 | 深圳市鑫悦峰科技有限公司 | Rotary multi-angle automatic polishing machine |
| CN110625498A (en) * | 2019-10-29 | 2019-12-31 | 浙江砚童家具有限公司 | Rotation type multi-angle timber apron dull polish equipment |
-
2019
- 2019-10-29 CN CN201911034653.0A patent/CN110625498A/en not_active Withdrawn
-
2020
- 2020-05-22 WO PCT/CN2020/091807 patent/WO2021082411A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3962831A (en) * | 1974-05-30 | 1976-06-15 | Sanko Mokkoki Co., Ltd. | Automatic grinding method and apparatus for wood working |
| CN202021550U (en) * | 2010-12-23 | 2011-11-02 | 江苏中核华兴建筑装饰有限公司 | Dust cover for grinder and dust-free angle grinder |
| CN106617760A (en) * | 2017-02-28 | 2017-05-10 | 湖州黛丝娅鞋业有限公司 | Antitheft footwear storage device |
| CN107363695A (en) * | 2017-09-05 | 2017-11-21 | 陈壮壮 | A kind of stainless steel cylinder polishing wire drawing process equipment |
| CN208201800U (en) * | 2018-04-20 | 2018-12-07 | 河南黄河水工机械有限公司 | A kind of spiral headstock gear |
| CN208276638U (en) * | 2018-05-16 | 2018-12-25 | 云南活达木业制造有限公司 | A kind of positive and negative polissoir of timber floor processing |
| CN208744500U (en) * | 2018-09-05 | 2019-04-16 | 浙江交工高等级公路养护有限公司 | Descaling bolts device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082411A1 (en) * | 2019-10-29 | 2021-05-06 | 浙江砚童家具有限公司 | Rotary multi-angle wood floor grinding apparatus |
| CN111604745A (en) * | 2020-06-03 | 2020-09-01 | 临沂湾格岛家具有限公司 | High-end furniture raw and other materials paulownia manufacture equipment |
| CN112605766A (en) * | 2020-12-04 | 2021-04-06 | 刀智宝 | A brushing oil integration equipment of polishing for wooden table desktop |
| CN116586153A (en) * | 2023-05-31 | 2023-08-15 | 苏州新亿泰建材有限公司 | Machine-made sand apparatus for producing for high performance concrete |
| CN116586153B (en) * | 2023-05-31 | 2023-12-01 | 苏州新亿泰建材有限公司 | Machine-made sand apparatus for producing for high performance concrete |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021082411A1 (en) | 2021-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191231 |
|
| WW01 | Invention patent application withdrawn after publication |