CN109262439A - A kind of burr remover for farm implements - Google Patents
A kind of burr remover for farm implements Download PDFInfo
- Publication number
- CN109262439A CN109262439A CN201811337481.XA CN201811337481A CN109262439A CN 109262439 A CN109262439 A CN 109262439A CN 201811337481 A CN201811337481 A CN 201811337481A CN 109262439 A CN109262439 A CN 109262439A
- Authority
- CN
- China
- Prior art keywords
- roller
- farm implements
- main shaft
- shaft
- burr remover
- 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.)
- Pending
Links
- 239000004575 stone Substances 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/02—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels
- B24B31/023—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving rotary barrels with tiltable axis
-
- 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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
Abstract
The present invention provides a kind of structure burr remover that is simple, at low cost, can carrying out mass processing to farm implements part, the device includes pedestal, the pedestal includes lower raft interconnected and upper bracket, the upper bracket is rotatably connected to the shaft at left and right sides of bracket, the middle section of the shaft is rotatably connected to main shaft, wherein one end of the main shaft is connect with driving mechanism, and the main shaft other end is provided with roller, and the roller is provided with stone and water.Farm implements part and stone in roller generates collision in roller, the burr of farm implements piece surface and corner angle is polished flat together as roller is rotated.
Description
Technical field
The present invention relates to agricultural mechanical fields, and in particular to a kind of burr remover for farm implements.
Background technique
China is large agricultural country, and the use scope of farm implements is wide, demand is big.Due to the use occasion and use condition of farm implements
The reason of, the machining accuracy and finished product roughness requirements to farm implements are all relatively low, but since farm implements are in use by ground
The difference of the actual service conditions such as domain and weather, Various Seasonal or region, need the farm implements that will be loaded in same driving mechanism
Find that the surface of existing farm implements is relatively rough during replacement, artificial assembly and disassembly or maintenance farm implements, burr, corner angle are sharp, often
There is the phenomenon that accidentally injuring operator, causes unnecessary personal injury.
Due to the use condition and requirement of farm implements, determine that its is in large supply, process is rapid low with profit
Property, farm implements part are not able to satisfy high-volume by the way of manual polishing after processing is completed and supplied in response to the market demand, using special
Deburring, corner angle mechanism, will increase the investment of production cost of enterprise, be unfavorable for the maximized capital investment requirements of company interest.
Especially in north cold area, the ploughing of frozen soil requires high-intensitive and hardness farm implements.Exist for enhancing farm implements
Hardness when working under low-temperature condition also needs to be quenched after processing is completed, the farm implements surface treatment burr after hardening
Work difficulty further increases.
Summary of the invention
To solve the above-mentioned problems, the present invention provide a kind of structure it is simple, it is at low cost, can to farm implements part carry out mass
The burr remover of processing, the device concrete scheme are as follows:
A kind of burr remover for farm implements, including pedestal, the pedestal include lower raft interconnected and top branch
Frame, the upper bracket are rotatably connected to the shaft at left and right sides of bracket, and the middle section of the shaft is rotatably connected to
Wherein one end of main shaft, the main shaft is connect with driving mechanism, and the main shaft other end is provided with roller, and the roller is provided with
Stone and water.
Preferably, wherein one end of the shaft is equipped with turbine, and the turbine is coupled with worm screw, the worm screw
Wherein one end is connected with the handwheel for driving worm screw to rotate;
Preferably, the outside of the turbine and worm is provided with shield;
Preferably, the shaft is connect with main shaft by adapter, is provided on the adapter and is led to the first of shaft cooperation
The axis of hole and the second through-hole cooperated with main shaft, the first through hole and the second through-hole is vertical in space, and described first is logical
Hole and the second through-hole are planar non-intersecting;
Preferably, the roller end is equipped with cover board, and the middle section of the cover board is provided with transparent panel;
Preferably, the roller is connect by sleeve with main shaft, is connected between the sleeve and main shaft by connecting key or expansion sleeve
It connects;Preferably, a plurality of reinforcing rib is provided between the bottom plate and sleeve of the roller;
Preferably, the driving mechanism is direct-connected motor and speed reducer.
Beneficial effects of the present invention:
(1) present invention drives roller rotation by motor and speed reducer, and the farm implements part and stone in roller are together with roller
Rotation generates collision in roller, the burr of farm implements piece surface and corner angle is polished flat.
(2) handwheel drives turbine and worm mechanism kinematic, by rotating shaft transmission to main shaft, realizes the adjustment at the main shaft elevation angle, and
And using the self-locking function of turbine and worm, the positioning under any angle is realized.
(3) cover board is arranged in roller end, and farm implements part and stone can be effectively prevent to scatter during rotating with roller
To cylindrical outer;Transparent panel is set on cover board, the deburring situation of the farm implements part in roller can be observed at any time.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is main view of the present invention;
Fig. 2 is the enlarged drawing of A in Fig. 1;
Fig. 3 is left view of the present invention;
Fig. 4 is the enlarged drawing of B in Fig. 3;
Fig. 5 is right view of the present invention;
Fig. 6 is rearview of the present invention;
Fig. 7 is perspective view of the present invention;
Fig. 8 is adapter perspective view;
In figure: 1, pedestal, 2, motor, 3, shaft coupling, 4, adapter, 5, roller, 6, cover board, 7, transparent panel, 8, nut, 9, first
Screw, the 10, second screw, 11, handwheel, 12, shield, 13, turbine, 14, worm screw, 15, first bearing, 16, shaft, 17, axis
Hold lid, 18, second bearing, 19, speed reducer, 20, bearing block, 21, main shaft.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Whole description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiments herein, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall in the protection scope of this application.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.
In the description of the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ",
" fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be machinery
Connection, is also possible to be electrically connected;It can be directly connected, two elements can also be can be indirectly connected through an intermediary
The interaction relationship of internal connection or two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
The burr remover for farm implements as shown in figs. 1-7, pedestal 1 weld upper by lower raft and with lower raft
Portion's bracket composition, bracket are welded to form using rectangular tube or angle steel or channel steel, are enhancing structure stability, and entire bracket uses four
Set the triangular structure of reinforcing rib week.It is symmetrically set with bearing block 20 above bracket, the second axis is installed inside bearing block 20
18 are held, shaft 16 and second bearing 18 are rotatablely connected.In the outside of bearing block 20, it is provided with the axis for positioning second bearing 18
Hold lid 17.The right end of shaft 16 is equipped with turbine 13, and worm screw 14 is coupled below turbine 13, and the leading portion of worm screw 14 is provided with hand
Wheel 11, as shown in figure 5, rotation handwheel 11, worm screw 14 rotate under the action of first bearing 15 around its center line.In 13 He of turbine
The outside of worm screw 14 is provided with shield 12, for preventing the foreign matters such as dust, impurity from falling influence transmission.
Worm screw selects common single head cylindrical worm to can reach transmission and requires, to reduce cost, using lathe or whirlwind
Milling Machining, pressure angle, which is designed as common 20 °, can meet requirement.The lead angle of worm screw will be designed to be less than engagement
The equivalent friction angle for taking turns between cog makes mechanism have self-locking performance, realizes reverse self-locking, i.e., can only drive worm gear by worm screw, and cannot
Worm screw is driven by worm gear.It is positioned under any angle convenient for roller 5.
In the middle section of main shaft 16, adapter 4 is installed, is matched as shown in figure 8, being provided on adapter 4 with shaft 16
The axis of the first through hole of conjunction and the second through-hole cooperated with main shaft 21, first through hole and the second through-hole is vertical in space, the
One through-hole and the second through-hole are planar non-intersecting.Wherein one end of main shaft 21 is connect by shaft coupling 3 with speed reducer 19, herein
The preferred cycloidal planetary gear speed reducer of speed reducer, performance stablizes, and occupation rate of market is high, and at low cost.The input terminal of speed reducer 19
It is drivingly connected by motor 2.The other end of main shaft 16 is sleeved in sleeve, and connecting key or expansion are provided between main shaft and sleeve
Set is target in favor of assembling and transmitting torque and maximize.The end of sleeve and roller 5 weld, and set between roller 5 and sleeve
It is equipped with reinforcing rib, to improve connectivity robustness.Stone and water, the deburring as needed of the size of stone are placed in roller 5
Part dimension determine, shape preferred irregular polygon.Cover board 6, the edge setting of cover board 6 are installed in the end of roller 5
Protruding portion is fastened after cooperation with the second screw 10 for cooperating with the outer ring of roller 5.For the ease of observing the situation in roller,
It is set as hollow out in the middle section of cover board 6, transparent panel 7 is installed in hollow-out part, which passes through nut 8 and the first screw
9 realize connection with cover board 6.Nut at this is preferably self-clinching nut, further increases connective stability.First screw 9 is in advance
It is welded on the inside of cover board 6, through-hole is provided on transparent panel 7, the first screw 9 is fixed after passing through transparent panel 7 with self-clinching nut.
The device specific work process is as follows:
The farm implements part of deburring and corner angle will be needed to be put into roller 5, the stone of respective diameters is selected according to the size of part
It is put into roller, the water of setting volume is poured into roller, cover board 6 and roller 5 is fixed by the second screw 10, shake handwheel
11, the elevation angle of roller 5 is adjusted, the bottom that roller 5 will not be both stacked into stone under shutdown status will not be deposited in cover board 6
Side is optimized angle.Start motor 2, roller rotation observes that part burr removal situation reaches claimed condition through transparent panel 7
It can shut down, unclamp the second screw 10, remove cover board 6, part is taken out.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of burr remover for farm implements, which is characterized in that including pedestal, the pedestal includes lower part interconnected
Bottom plate and upper bracket, the upper bracket are rotatably connected to the shaft at left and right sides of bracket, the middle part of the shaft
Divide and be rotatably connected to main shaft, wherein one end of the main shaft is connect with driving mechanism, and the main shaft other end is provided with roller, institute
It states roller and is provided with stone and water.
2. a kind of burr remover for farm implements as described in power 1, which is characterized in that wherein one end of the shaft is equipped with
Turbine, the turbine are coupled with worm screw, and wherein one end of the worm screw is connected with the handwheel for driving worm screw to rotate.
3. a kind of burr remover for farm implements as described in power 2, which is characterized in that the outside of the turbine and worm is provided with
Shield.
4. a kind of burr remover for farm implements as described in power 1, which is characterized in that the shaft and main shaft pass through adapter
It connects, the second through-hole with the first through hole of shaft cooperation and with main shaft cooperation is provided on the adapter, described first is logical
The axis of hole and the second through-hole is vertical in space, and the first through hole and the second through-hole are planar non-intersecting.
5. a kind of burr remover for farm implements as described in power 1, which is characterized in that the roller end is equipped with cover board,
The middle section of the cover board is provided with transparent panel.
6. a kind of burr remover for farm implements as described in power 1, which is characterized in that the roller is connected by sleeve and main shaft
It connects, is connected between the sleeve and main shaft by connecting key or expansion sleeve.
7. a kind of burr remover for farm implements as described in power 6, which is characterized in that between the bottom plate and sleeve of the roller
It is provided with a plurality of reinforcing rib.
8. a kind of burr remover for farm implements as described in power 1, which is characterized in that the driving mechanism is direct-connected motor
And speed reducer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811337481.XA CN109262439A (en) | 2018-11-12 | 2018-11-12 | A kind of burr remover for farm implements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811337481.XA CN109262439A (en) | 2018-11-12 | 2018-11-12 | A kind of burr remover for farm implements |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109262439A true CN109262439A (en) | 2019-01-25 |
Family
ID=65192641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811337481.XA Pending CN109262439A (en) | 2018-11-12 | 2018-11-12 | A kind of burr remover for farm implements |
Country Status (1)
Country | Link |
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CN (1) | CN109262439A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114770353A (en) * | 2022-05-13 | 2022-07-22 | 杭州富阳星宇铜业有限公司 | Manufacturing process of alloy copper bar for conveying tobacco shreds |
CN116533131A (en) * | 2023-06-29 | 2023-08-04 | 广东俊荣输变电设备有限公司 | Nut polishing equipment for bolt processing |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6025648A (en) * | 1983-07-21 | 1985-02-08 | Tipton Mfg Corp | Barrel polishing method and device thereof |
US5105583A (en) * | 1990-08-29 | 1992-04-21 | Hammond Machinery Inc. | Workpiece deburring method and apparatus |
EP1932619A1 (en) * | 2006-12-12 | 2008-06-18 | M.F.s.r.l. | An apparatus for distressing solid objects comprising a drum |
CN204976299U (en) * | 2015-09-30 | 2016-01-20 | 深圳市普盛旺科技有限公司 | Ratary mixer |
CN205166647U (en) * | 2015-11-03 | 2016-04-20 | 天津市北方高效石化设备制造有限公司 | Cylinder burr -grinding machine |
CN106541328A (en) * | 2016-11-23 | 2017-03-29 | 江苏神山风电设备制造有限公司 | A kind of deburring cylinder mechanism |
CN106553118A (en) * | 2015-09-28 | 2017-04-05 | 苏州巴奈特机械设备有限公司 | A kind of light polishing machine |
CN206748185U (en) * | 2017-05-08 | 2017-12-15 | 河南理工大学 | Jade corner angle arrangement for grinding |
CN207508975U (en) * | 2017-11-30 | 2018-06-19 | 广安市领誉塑胶电子科技有限公司 | A kind of switch transformer burr removal device |
CN207563353U (en) * | 2017-11-23 | 2018-07-03 | 浙江华氏钢业有限公司 | Part deburring and cleaning processing apparatus |
CN207656461U (en) * | 2018-01-04 | 2018-07-27 | 中州大学 | A kind of burr removal device for machine-building |
CN209239777U (en) * | 2018-11-12 | 2019-08-13 | 李子涵 | A kind of burr remover for farm implements |
-
2018
- 2018-11-12 CN CN201811337481.XA patent/CN109262439A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6025648A (en) * | 1983-07-21 | 1985-02-08 | Tipton Mfg Corp | Barrel polishing method and device thereof |
US5105583A (en) * | 1990-08-29 | 1992-04-21 | Hammond Machinery Inc. | Workpiece deburring method and apparatus |
EP1932619A1 (en) * | 2006-12-12 | 2008-06-18 | M.F.s.r.l. | An apparatus for distressing solid objects comprising a drum |
CN106553118A (en) * | 2015-09-28 | 2017-04-05 | 苏州巴奈特机械设备有限公司 | A kind of light polishing machine |
CN204976299U (en) * | 2015-09-30 | 2016-01-20 | 深圳市普盛旺科技有限公司 | Ratary mixer |
CN205166647U (en) * | 2015-11-03 | 2016-04-20 | 天津市北方高效石化设备制造有限公司 | Cylinder burr -grinding machine |
CN106541328A (en) * | 2016-11-23 | 2017-03-29 | 江苏神山风电设备制造有限公司 | A kind of deburring cylinder mechanism |
CN206748185U (en) * | 2017-05-08 | 2017-12-15 | 河南理工大学 | Jade corner angle arrangement for grinding |
CN207563353U (en) * | 2017-11-23 | 2018-07-03 | 浙江华氏钢业有限公司 | Part deburring and cleaning processing apparatus |
CN207508975U (en) * | 2017-11-30 | 2018-06-19 | 广安市领誉塑胶电子科技有限公司 | A kind of switch transformer burr removal device |
CN207656461U (en) * | 2018-01-04 | 2018-07-27 | 中州大学 | A kind of burr removal device for machine-building |
CN209239777U (en) * | 2018-11-12 | 2019-08-13 | 李子涵 | A kind of burr remover for farm implements |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114770353A (en) * | 2022-05-13 | 2022-07-22 | 杭州富阳星宇铜业有限公司 | Manufacturing process of alloy copper bar for conveying tobacco shreds |
CN114770353B (en) * | 2022-05-13 | 2024-02-09 | 杭州富阳星宇铜业有限公司 | Manufacturing process of alloy copper bar for conveying cut tobacco |
CN116533131A (en) * | 2023-06-29 | 2023-08-04 | 广东俊荣输变电设备有限公司 | Nut polishing equipment for bolt processing |
CN116533131B (en) * | 2023-06-29 | 2023-08-25 | 广东俊荣输变电设备有限公司 | Nut equipment of polishing |
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