CN109108742B - Efficient iron bar grinding device - Google Patents

Efficient iron bar grinding device Download PDF

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Publication number
CN109108742B
CN109108742B CN201810975830.4A CN201810975830A CN109108742B CN 109108742 B CN109108742 B CN 109108742B CN 201810975830 A CN201810975830 A CN 201810975830A CN 109108742 B CN109108742 B CN 109108742B
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CN
China
Prior art keywords
rod
polishing
motor
iron bar
movable
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Active
Application number
CN201810975830.4A
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Chinese (zh)
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CN109108742A (en
Inventor
蒋敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuji Houqi Equity Investment Co.,Ltd.
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Zhuji Houqi Equity Investment Co ltd
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Priority to CN201810975830.4A priority Critical patent/CN109108742B/en
Publication of CN109108742A publication Critical patent/CN109108742A/en
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Publication of CN109108742B publication Critical patent/CN109108742B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/04Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/02Frames; Beds; Carriages
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/061Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/35Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety 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
    • B24B55/06Dust extraction equipment on grinding or polishing machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B57/00Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
    • B24B57/02Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents

Abstract

The invention provides a high-efficiency iron rod polishing device, and relates to the technical field of iron rod polishing devices. This efficient iron bar grinding device, including the base, the top fixed mounting of base has the bracing piece, and the top fixed mounting of bracing piece has the bearing, and the inside cover of bearing is equipped with the dwang, and the right side fixed mounting of dwang has the stationary dog, and the left side fixed mounting of dwang has first band pulley, and the top fixed mounting of base has the work box. This efficient iron bar grinding device uses through the cooperation of second motor, second band pulley, first band pulley, dwang, stationary dog, grindstone and the platform of polishing, carries out rotatory reciprocal polishing to the iron bar, and the efficiency of polishing is higher, simultaneously because control reciprocal polishing for polish more evenly, make the size of the iron bar that highly can polish as required of grindstone and the platform of polishing adjust through first motor and telescopic link, increased the practicality of device.

Description

Efficient iron bar grinding device
Technical Field
The invention relates to the technical field of iron bar polishing devices, in particular to a high-efficiency iron bar polishing device.
Background
The iron bar is cast by metal iron, the iron is a metal element, the atomic number is 26, the iron is white or silvery white, has metallic luster, the melting point is 1535 ℃, the boiling point is 3000 ℃, the iron can be dissolved in strong acid and medium acid, and is insoluble in water, the iron is widely distributed in life, the occupied area of the iron is 4.75 percent of the shell content, the iron is second to oxygen, silicon and aluminum, the content of the shell is fourth, the pure iron is used for manufacturing iron cores of generators and motors, the iron and the compound thereof are also used for manufacturing magnets, medicines, ink, pigment, grinding materials and the like, in addition, the iron element is also contained in a human body, and the ferrous iron is an important component of hemoglobin, for oxygen transportation, iron is an indispensable metal in the industrial sector, and alloy steel made of iron and a small amount of carbon is not easy to demagnetize after magnetization, is an excellent hard magnetic material, and is also an important industrial material, and also as a main raw material of artificial magnetism, iron has various allotropes.
Most of irons can cast into the iron rod, the iron rod need polish the polishing and just can better utilize, but current iron rod grinding device only is simple to rotate the iron rod and polishes, but this kind of mode of polishing causes the inhomogeneous problem of polishing easily, and current grinding device often uses two grindstones to polish the iron rod in order to improve the efficiency of polishing simultaneously, but this kind of device can only polish the iron rod of specific thickness, can't adjust according to the different thicknesses of iron rod.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-efficiency iron rod polishing device, and solves the problems that the existing iron rod polishing device cannot adjust a polishing stone according to the thickness of an iron rod and cannot polish uniformly.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a high-efficiency iron rod polishing device comprises a base, wherein a supporting rod is fixedly mounted at the top of the base, a bearing is fixedly mounted at the top of the supporting rod, a rotating rod is sleeved inside the bearing, a fixed claw is fixedly mounted at the right side of the rotating rod, a first belt wheel is fixedly mounted at the left side of the rotating rod, a work box is fixedly mounted at the top of the base, a first motor is fixedly mounted inside the work box, a first bevel gear is movably mounted at the output end of the first motor, a second bevel gear is meshed on the first bevel gear, a threaded rod is fixedly mounted at the top of the second bevel gear, a moving bolt is sleeved outside the threaded rod, a power box is fixedly mounted at the left side of the moving bolt, a rotating disc is movably mounted inside the power box, and a push block is fixedly mounted on the rotating disc, the outside cover of ejector pad is equipped with the movable rod, the left side fixed mounting of movable rod has the head rod, the left side fixed mounting of head rod has the whetstone, be provided with the second connecting rod on the movable rod, the left side fixed mounting of second connecting rod has the piston head, the outside cover of piston head is equipped with the shallow case, the top of shallow case is put through and is had first connecting tube, be provided with first check valve on the first connecting tube, the top switch-on of first connecting tube has the water tank, the bottom switch-on of shallow case has the second connecting tube, be provided with the second check valve on the second connecting tube, the outside cover of water tank is equipped with the device case.
Preferably, the top fixed mounting of base has the telescopic link, the top fixed mounting of telescopic link has the platform of polishing.
Preferably, a driving motor is movably mounted right behind the rotating disc through a connecting rod, and an iron rod is arranged inside the fixed claw.
Preferably, a second motor is fixedly installed inside the device box, a second belt wheel is movably installed at the output end of the second motor through a connecting rod, and the second belt wheel is rotatably connected with the first belt wheel through a belt.
Preferably, the two sides of the grinding stone are fixedly provided with connecting blocks, the bottom of each connecting block is communicated with a spray head, and the second connecting pipeline is communicated with the connecting blocks through hoses.
Preferably, the inside cover of movable rod is equipped with the activity and ties, the second connecting rod is tied through the activity and is tied with movable rod swing joint.
(III) advantageous effects
The invention provides a high-efficiency iron rod polishing device. The method has the following beneficial effects:
1. this efficient iron bar grinding device uses through the cooperation of second motor, second band pulley, first band pulley, dwang, stationary dog, grindstone and the platform of polishing, carries out rotatory reciprocal polishing to the iron bar, and the efficiency of polishing is higher, simultaneously because control reciprocal polishing for polish more evenly, make the size of the iron bar that highly can polish as required of grindstone and the platform of polishing adjust through first motor and telescopic link, increased the practicality of device.
2. This efficient iron bar grinding device uses through the cooperation of piston head, liquid pushing box, water tank, first check valve, second check valve, connecting block and shower nozzle, makes the whetstone when polishing the iron bar, and the shower nozzle is also to the timely liquid of polishing that sprays in position that will polish, when making the effect of polishing better, also fine reduction the production of the dust of polishing, protected that the staff is healthy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1 base, 2 telescopic rods, 3 grinding tables, 4 support rods, 5 bearings, 6 rotating rods, 7 fixed claws, 8 iron rods, 9 first belt wheels, 10 working boxes, 11 first motors, 12 first bevel gears, 13 second bevel gears, 14 threaded rods, 15 moving bolts, 16 power boxes, 17 rotating discs, 18 pushing blocks, 19 movable rods, 20 first connecting rods, 21 second connecting rods, 22 grinding stones, 23 connecting blocks, 24 spray heads, 25 piston heads, 26 liquid pushing boxes, 27 first connecting pipelines, 28 first one-way valves, 29 water tanks, 30 second connecting pipelines, 31 second one-way valves, 32 device boxes, 33 second motors and 34 second belt wheels.
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.
The embodiment of the invention provides a high-efficiency iron rod polishing device, which comprises a base 1, wherein a telescopic rod 2 is fixedly arranged at the top of the base 1, a polishing table 3 is fixedly arranged at the top of the telescopic rod 2, a supporting rod 4 is fixedly arranged at the top of the base 1, a bearing 5 is fixedly arranged at the top of the supporting rod 4, a rotating rod 6 is sleeved in the bearing 5, a fixed claw 7 is fixedly arranged at the right side of the rotating rod 6, a first belt wheel 9 is fixedly arranged at the left side of the rotating rod 6, a working box 10 is fixedly arranged at the top of the base 1, a first motor 11 is fixedly arranged in the working box 10, a first bevel gear 12 is movably arranged at the output end of the first motor 11, a second bevel gear 13 is meshed on the first bevel gear 12, a threaded rod 14 is fixedly arranged at the top of the second bevel gear 13, and a movable bolt 15, a power box 16 is fixedly arranged on the left side of the movable bolt 15, a rotating disc 17 is movably arranged in the power box 16, a driving motor is movably arranged right behind the rotating disc 17 through a connecting rod, an iron rod 8 is arranged in the fixed jaw 7, a push block 18 is fixedly arranged on the rotating disc 17, a movable rod 19 is sleeved outside the push block 18, a first connecting rod 20 is fixedly arranged on the left side of the movable rod 19, a grinding stone 22 is fixedly arranged on the left side of the first connecting rod 20, a second connecting rod 21 is arranged on the movable rod 19, a movable bolt is sleeved inside the movable rod 19, the second connecting rod 21 is movably connected with the movable rod 19 through the movable bolt, a piston head 25 is fixedly arranged on the left side of the second connecting rod 21, a liquid pushing box 26 is sleeved outside the piston head 25, a first connecting pipeline 27 is communicated with the top of the liquid pushing box 26, and a first one-way valve 28 is arranged on the first connecting pipeline, the top of the first connecting pipeline 27 is communicated with a water tank 29, the bottom of the liquid pushing tank 26 is communicated with a second connecting pipeline 30, the two sides of the grinding stone 22 are fixedly provided with connecting blocks 23, the bottom of the connecting block 23 is communicated with a spray head 24, the second connecting pipeline 30 is communicated with the connecting blocks 23 through a hose, the second connecting pipeline 30 is provided with a second one-way valve 31, the piston head 25, the liquid pushing tank 26, the water tank 29, the first one-way valve 28, the second one-way valve 31, the connecting blocks 23 and the spray head 24 are matched for use, so that when the grinding stone 22 grinds an iron rod 8, the spray head 24 sprays grinding liquid to the position to be ground in time, the grinding effect is better, the generation of grinding dust is well reduced, the health of workers is protected, an apparatus box 32 is sleeved outside the water tank 29, a second motor 33 is fixedly arranged inside the apparatus box 32, the output of second motor 33 has second band pulley 34 through connecting rod movable mounting, and second band pulley 34 and first band pulley 9 pass through the belt and rotate the connection, through second motor 33, second band pulley 34, first band pulley 9, dwang 6, stationary dog 7, the stone of polishing 22 and the cooperation of platform 3 of polishing are used, carry out rotatory reciprocal polishing to iron bar 8, the efficiency of polishing is higher, simultaneously because control reciprocal polishing, make polishing more even, make the height of stone of polishing 22 and platform 3 of polishing adjust as required iron bar 8's size of polishing through first motor 11 and telescopic link 2, the practicality of device has been increased.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The working principle is as follows: when the grinding device is used, an iron rod 8 to be ground is placed in the fixed claw 7 to be fixed, then the telescopic rod 2 is started, the grinding table 3 is adjusted to a proper position, then the first motor 11 is started, the first motor 11 rotates to drive the first bevel gear 12 to rotate, the first bevel gear 12 rotates to drive the second bevel gear 13 to rotate, the second bevel gear 13 rotates to drive the threaded rod 14 to rotate, the power box 16 moves up and down under the action of the threads of the movable bolt 15 and the threaded rod 14, the grinding stone 22 is adjusted to a proper position, the second motor 33 and the driving motor are started, the second motor 33 rotates to drive the second belt wheel 34 to rotate, the second belt wheel 34 rotates to drive the first belt wheel 9 to rotate through a belt, the first belt wheel 9 rotates to drive the rotating rod 6 to rotate, so as to drive the fixed claw 7 to drive the iron rod 8 to rotate, and at this time, the driving motor drives the rotating disc 17 to, the rotating disc 17 rotates to drive the pushing block 18 mounted on the rotating disc to rotate, so that the pushing block 18 pushes the movable rod 19 to move left and right in a reciprocating manner, the iron bar 8 is polished in a reciprocating manner, meanwhile, the movable rod 19 moves left and right, the movable bolt drives the second connecting rod 21 to move left and right, the second connecting rod 21 drives the piston head 25 to move left and right, through the characteristics of the first one-way valve 28 and the second one-way valve 31, when the second connecting rod 21 moves right, the second one-way valve 31 on the left side of the liquid pushing tank 26 is closed, negative pressure is generated in a chamber on the left side of the second connecting rod 21, the first one-way valve 28 on the left side of the liquid pushing tank 26 is opened to suck polishing liquid in the water tank 29 to the inside of the liquid pushing tank 26, meanwhile, as the second connecting rod 21 moves right, the polishing liquid in the chamber on the right side is extruded, the polishing liquid flows into the hose through the second one, in a similar way, the left spray head 24 sprays the iron rod 8, so that the grinding stone 22 sprays grinding liquid in advance at the position to be ground when the iron rod 8 is ground in a left-right reciprocating mode, the grinding effect is better, and the condition that the grinding process causes dust is avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The utility model provides an efficient iron bar grinding device, includes base (1), its characterized in that: the top fixed mounting of base (1) has bracing piece (4), the top fixed mounting of bracing piece (4) has bearing (5), the inside cover of bearing (5) is equipped with dwang (6), the right side fixed mounting of dwang (6) has stationary dog (7), the left side fixed mounting of dwang (6) has first band pulley (9), the top fixed mounting of base (1) has work box (10), the inside fixed mounting of work box (10) has first motor (11), the output movable mounting of first motor (11) has first conical gear (12), the meshing has second conical gear (13) on first conical gear (12), the top fixed mounting of second conical gear (13) has threaded rod (14), the outside cover of threaded rod (14) is equipped with removes bolt (15), the movable bolt is characterized in that a power box (16) is fixedly mounted on the left side of the movable bolt (15), a rotating disc (17) is movably mounted inside the power box (16), a push block (18) is fixedly mounted on the rotating disc (17), a movable rod (19) is sleeved outside the push block (18), a first connecting rod (20) is fixedly mounted on the left side of the movable rod (19), a grinding stone (22) is fixedly mounted on the left side of the first connecting rod (20), a second connecting rod (21) is arranged on the movable rod (19), a piston head (25) is fixedly mounted on the left side of the second connecting rod (21), a liquid pushing box (26) is sleeved outside the piston head (25), a first connecting pipeline (27) is communicated with the top of the liquid pushing box (26), a first one-way valve (28) is arranged on the first connecting pipeline (27), a water tank (29) is communicated with the top of the first connecting pipeline (27), the bottom of the liquid pushing box (26) is communicated with a second connecting pipeline (30), a second one-way valve (31) is arranged on the second connecting pipeline (30), a device box (32) is sleeved outside the water tank (29), a telescopic rod (2) is fixedly arranged at the top of the base (1), a polishing table (3) is fixedly arranged at the top of the telescopic rod (2), a driving motor is movably arranged right behind the rotating disc (17) through a connecting rod, an iron rod (8) is arranged inside the fixed jaw (7), a second motor (33) is fixedly arranged inside the device box (32), a second belt wheel (34) is movably arranged at the output end of the second motor (33) through a connecting rod, the second belt wheel (34) is rotatably connected with the first belt wheel (9) through a belt, a connecting block (23) is fixedly arranged on two sides of the polishing stone (22), the bottom of the connecting block (23) is communicated with a spray head (24), the second connecting pipeline (30) is communicated with the connecting block (23) through a hose, a movable bolt is sleeved inside the movable rod (19), and the second connecting rod (21) is movably connected with the movable rod (19) through the movable bolt; when the iron bar polisher is used, an iron bar to be polished is placed in the fixed claw to be fixed, then the telescopic rod is started, the polishing table is adjusted to a proper position, then the first motor is started, the first motor rotates to drive the first bevel gear to rotate, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the threaded rod to rotate, under the action of the threads of the movable bolt and the threaded rod, the power box is enabled to move up and down, the polishing stone is adjusted to a proper position, the second motor and the driving motor are started, the second motor rotates to drive the second belt wheel to rotate, the second belt wheel rotates to drive the first belt wheel to rotate through the belt, the first belt wheel rotates to drive the rotating rod to rotate, so that the fixed claw is driven to rotate the iron bar, at the moment, the driving motor drives the rotating disc to rotate, the rotating disc rotates to drive the push block mounted on the rotating disc to rotate, and, the iron bar is polished in a reciprocating manner, the movable rod moves left and right at the same time, the movable bolt drives the second connecting rod to move left and right, the second connecting rod drives the piston head to move left and right, through the characteristics of the first one-way valve and the second one-way valve, when the second connecting rod moves right, the second one-way valve on the left side of the liquid pushing box is closed, negative pressure is generated in the cavity on the left side of the second connecting rod, the first one-way valve on the left side of the liquid pushing box is opened to suck polishing liquid in the water tank to the inside of the liquid pushing box, meanwhile, as the second connecting rod moves right, the polishing liquid in the cavity on the right side is squeezed, the polishing liquid flows into the hose through the second one-way valve and is sprayed on the iron bar through the spray head, and when the piston head moves left, the left spray head sprays the iron bar in the same way, so that when the iron bar is polished in a left-right reciprocating, the polishing effect is better, and the condition of dust emission caused by the polishing process is avoided.
CN201810975830.4A 2018-08-24 2018-08-24 Efficient iron bar grinding device Active CN109108742B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810975830.4A CN109108742B (en) 2018-08-24 2018-08-24 Efficient iron bar grinding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810975830.4A CN109108742B (en) 2018-08-24 2018-08-24 Efficient iron bar grinding device

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CN109108742B true CN109108742B (en) 2020-10-23

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Publication number Priority date Publication date Assignee Title
CN109759196A (en) * 2019-03-20 2019-05-17 林奇虎 A kind of explosion-proof type big flow high efficiency paint uses sand mill
CN110405549A (en) * 2019-08-14 2019-11-05 李伟伟 A kind of titanium matter intramedullary nail antibacterial metallic materials processing unit (plant)

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Publication number Priority date Publication date Assignee Title
CN205904841U (en) * 2016-08-16 2017-01-25 温州市成尚装饰五金有限公司 High -efficient rust cleaning device of iron bar for hardware processing
CN106141870B (en) * 2016-08-16 2018-05-29 惠安县马巢生态农业有限公司 A kind of hardware quick sanding apparatus of the iron staff that gets rusty
CN206010670U (en) * 2016-08-31 2017-03-15 湖南荣科精密制造有限公司 A kind of machine tooling product surface sanding apparatus
CN206509846U (en) * 2017-01-17 2017-09-22 天津维特邦技术开发有限公司 A kind of bearing position sanding apparatus
CN106965045A (en) * 2017-03-09 2017-07-21 查健春 A kind of five gold bullion high efficiency stretching polishing integration apparatus
CN206998561U (en) * 2017-06-30 2018-02-13 王雷 A kind of steel pipe for building is back and forth polished derusting device
CN107695810A (en) * 2017-09-18 2018-02-16 郑州大学 A kind of depositing dust shape steel plate double-side efficient sanding apparatus

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