CN202122874U - Industrial cooling liquid purifying device - Google Patents
Industrial cooling liquid purifying device Download PDFInfo
- Publication number
- CN202122874U CN202122874U CN2011201765002U CN201120176500U CN202122874U CN 202122874 U CN202122874 U CN 202122874U CN 2011201765002 U CN2011201765002 U CN 2011201765002U CN 201120176500 U CN201120176500 U CN 201120176500U CN 202122874 U CN202122874 U CN 202122874U
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- magnetic
- scraper plate
- filter
- rolls
- water tank
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Abstract
The utility model discloses an industrial cooling liquid purifying device, which comprises a buffering water inlet tank, a plurality of filter devices and a scraper chain slag discharging device. Each filter device comprises a roll cage filter device, a magnetic roll adsorption device and a screw slag discharging device. Waste liquid produced in grinding by machine tools enters the buffering water inlet tank through a waste liquid pipeline, and a plurality of round cage type rotary filter cylinders are mounted inside the buffering water inlet tank. Waste cooling liquid is filtered by means of a fine stainless steel filter screens on the round cage type rotary filter cylinders and enters an internal hollow transmission spindle to be discharged into a clean liquid tank through a water outlet sleeve so as to be recycled. A powerful magnetic roll is mounted above the round cage type rotary filter cylinders and used for adsorbing iron-contained impurities, and connected with the screw slag discharging device through a scraper, and accordingly slag can be discharged outside the buffering water inlet tank through a screw in rotation. The industrial cooling liquid purifying device has the advantages of low manufacturing cost, fine utilization effect, high environmental protection performance, simple and practical structure, circulation in use and the like, and is particularly applicable to large-scale grinding machine tools, large in filter flow volume, recyclable and remarkable in energy saving effect.
Description
Technical field
The described industrial cooling fluid clearing machine device of the utility model is a kind ofly in mechanical processing industry, the solid particulate matter in the employed cooling fluid of grinding machine and impurity thereof to be carried out solid, liquid and separate, the industrial cooling fluid filtering and purifying with feature of environmental protection that can the cooling fluid that reclaim be recycled.
Background technology
Current domestic in the machining production process;, material hard component of machine high for required precision all need adopt grinding, can produce high temperature during owing to grinding; Surface of the work is damaged; So in mechanical processing process, must use cooling fluid, the granule foreign that comes off of abrasive material and metal surface is all fallen within the cooling fluid.Cooling fluid is because long-time the use, and impurity increases gradually, makes the cooling fluid contamination and deterioration, re-uses the quality of institute's product processed and part, precision etc. are exerted an influence.For guaranteeing the accuracy of manufacture of product, must often change cooling fluid, the production cost of enterprise also increases thereupon.And industrial cooling fluid, being mostly that organic compound forms, it is difficult that the discharging of discarded cooling fluid and handling all compare, and can cause environmental pollution, so enterprise all hopes to seek a kind of method and addresses these problems.Institute of present most of enterprise employing filter plant, materials such as most filter cores that wound the line with filter bag, nonwoven filter cloth, line gap purify.Though can reach the purpose of removing liquid impurity, auxilliary material consumption is very big, and above-mentioned used filter material, all belongs to the chemical fibre goods, not recyclable and repeated use after using.Because the chemical fibre goods after discarded, the natural degradation ability is lower, and it is bigger to deal with difficulty.Higher because of chemical fibre goods use cost, both wasted the petrochemical industry resource, can cause secondary pollution to natural environment again.In addition, the structure of a traditional machine one water tank one magnetic filter device, power consumption is big.So developing a kind of novel industrial coolant purification system is very necessary to overcome existing problem.
Summary of the invention
For solving the problems referred to above that prior art exists; The utility model will design and a kind ofly both can the solid particulate matter in the cooling fluid and impurity thereof be carried out solid, liquid and separate, the industrial coolant purification system that can the cooling fluid that reclaim recycled and can save energy again.
To achieve these goals, the technical scheme of the utility model is following: a kind of industrial coolant purification system comprises the buffering inlet water tank, organizes filter and flight chain slag-draining device more; Described many group filters are installed in the top of buffering inlet water tank side by side, and described flight chain slag-draining device comprises horizontal segment and ascent stage, and horizontal segment is positioned at the bottom of buffering inlet water tank, and the ascent stage is positioned at outside the buffering inlet water tank casing right side;
Described filter comprises that rolling cage filter, magnetic rolls adsorbent equipment and strand cage slag-draining device;
The described cage filter that rolls comprises large carrying food-basket formula cartridge filter, meticulous stainless steel screen pack, transmission main shaft, transmission speed reducer, driving chain, sprocket wheel sealing device, straight elbow lower contact and goes out water jacket; Meticulous stainless steel screen pack is contained on the large carrying food-basket formula cartridge filter, constitutes the housing of large carrying food-basket formula cartridge filter, and the two ends of large carrying food-basket formula cartridge filter are installed on the buffering inlet water tank casing through transmission main shaft; One end of described transmission main shaft is equipped with spindle sprocket; Spindle sprocket connects and composes transmission system with magnetic roller chain wheel, strand cage sprocket wheel, reductor sprocket wheel, tensioner sprocket wheel successively through driving chain, and the direction of rotation of the direction of rotation of magnetic roller chain wheel and spindle sprocket on the contrary, all the direction of rotation with spindle sprocket is identical for the direction of rotation of all the other sprocket wheels; Described transmission main shaft is a hollow shaft; A side, the other end that the one of which end is installed in buffering inlet water tank casing through the sprocket wheel sealing device be through going out the opposite side that water jacket is installed in buffering inlet water tank casing, goes out water jacket and be connected to the outside of buffering inlet water tank casing through straight elbow top connection, straight elbow and straight elbow lower contact and link to each other with clean liquid case;
Described magnetic rolls adsorbent equipment and comprises that magnetic rolls, the magnetic roller chain is taken turns and magnetic rolls holder; Magnetic rolls holder and is installed on the buffering inlet water tank casing, is positioned on the horizontal line on transmission main shaft right side; Magnetic rolls and is installed in large carrying food-basket formula cartridge filter right side top and rolls holder by magnetic and fix by magnetic force direction, and magnetic rolls the distance that keeps technological requirement with large carrying food-basket formula cartridge filter; Magnetic roller chain wheel is done backward rotation through driving chain and large carrying food-basket formula cartridge filter;
Described strand cage slag-draining device comprises strand cage, strand cage sprocket wheel, strand cage bearing and scraper plate; The strand cage is installed in the right side that magnetic rolls; The strand cage is equipped with connecting plate near the side that magnetic rolls, and connecting plate is connected with the fixation side of scraper plate, and the active side of scraper plate is rolled near magnetic; Scrape in the strand cage when magnetic rolls when rotating the impurity that magnetic is rolled absorption through scraper plate, the strand cage is discharged slag through rotating;
Described scraper plate conveyor chain slag-draining device; Comprise cycloid speed reducer, clutch apparatus, main flight chain, main scraper plate and main scraper plate power transmission shaft; Clutch apparatus is installed on the clutch fast pulley at top of scraper plate conveyor chain slag-draining device ascent stage; Sprocket wheel A on the cycloid speed reducer drives sprocket wheel B through chain and rotates; Sprocket wheel B is installed in an end of main scraper plate power transmission shaft, drives main flight chain through main scraper plate power transmission shaft and rotates, and postpones and rushes in circulation drive transfer deslagging in the tank box thereby drive main scraper plate.
The described many group filters of the utility model are 2-10 group filters, confirm according to pending cooling liquid measure.
The described magnetic of the utility model rolls inwall and is lined with the half-turn magnetic material.
The described meticulous stainless steel screen pack of the utility model is the hyperfine stainless steel screen pack of multilayer.
Compared with prior art, the characteristics and the remarkable result that the utlity model has are following:
1, the utility model adopts rolls the cage filter, is to guarantee filtering accuracy, adopts the high-strength stainless steel screen pack; This netting gear has characteristics such as acidproof, alkaline-resisting, corrosion-resistant, wear-resistant, is used to remove 99% fine particle, because screen pack is a cycle of rotation; Life cycle is long; The back replacing of cancelling is simple to operation, and also recyclable utilization cuts the waste.
2, the magnetic that the utility model adopted rolls adsorbent equipment, can extremely effectively solve absorption and the obstruction of impurity particle on large carrying food-basket formula cartridge filter after the anti-cleaning, has cancelled traditional anti-cleaning flushing.
3, the strand cage slag-draining device that the utility model adopted can be effectively connects magnetic with scraper plate and rolls and strike off magnetic and roll the impurity particle thing on the cage filter that rolls that strong magnetic attaches, and solves the obstruction of rolling the cage filter, make filter smooth and easy.Transmission through the strand cage is discharged to impurity outside the buffering inlet water tank.
4, the flight chain slag-draining device that the utility model adopted can effectively go out to cushion outside the inlet water tank through the circulation drive transfer with the impurity that is deposited in buffering inlet water tank bottom.Make the interior waste liquid impurity of buffering inlet water tank through dual deslagging, can guarantee the filtration cooling fluid of big flow.
5, the utility model can keep recycling for a long time in mechanical processing process through cooling fluid behind the fine filtering, changes number of times thereby reduce cooling fluid, and saving production cost keeps the product precision, improves the performance of enterprises.
6, the utility model can be according to the cooling liquid measure of production scene needs processing; The capacity of buffering inlet water tank and the group number of filter are set; Be particularly suitable for the production scene to the focusing on of cooling fluid, can be widely used in the supporting use equipment that all kinds of mechanical processing process must use cooling fluid equipment.
A most of machine one water tank that adopts of current domestic grinding machine, disposable filter, electric power are 1.2KW.As the concentrated circulating filtration that adopts the utility model can be kept supplying hundred equipment uses and cancellation water tank feed flow water pump and magnetic separator.By 100 calculating, general power is 120KW, and the utility model central fluid supply to adopt water pump be dual-purpose one to be equipped with; Normal use two to add three Rolling motors again as 7.5KW x 2=15KW, each 200W scrapes board motor 0.75KW; Amount to 16KW, but saves energy is more than 7 times.By double shift calculating every day, 120KWx 16 hours=1920 degree electricity, and 16KWx 16 hours=256 degree electricity can be practiced thrift 1664 every day and spend electricity, calculate by 300 days that year, what are again? Can reach hundreds of thousands unit.And the unit water tank calculates cooling fluid by 200 kilograms, normally changes weekly once, and separate unit will consume by 10 tons of 50 all calculation consumption every year; Cooling fluid per ton is calculated as 60 kilograms of stostes by stoste 6% proportioning, and stoste is worth 8000 yuan per ton, is calculated as 480 yuan; 100 can be calculated as 48000 yuan; And the utility model concentrates circulation can keep not changing more than 1 year water, only needs timing because of the consumption supplementing water, calculates by reducing by half and also can practice thrift more than 20000 yuan every year; And the water tank of 100 grinding machines and configuration thereof should be at 3500 yuan/platforms, ten thousand yuan of 100 x 3500=35.In addition, the equipment of the utility model being installed can be cancelled the unit cistern device.Purchasing water like this concentrates recycle unit almost just not spend.And because also not calculating of the manpower expense of operation saving automatically, energy-saving effect is remarkable thus.
7, the utility model is simple in structure, and long service life does not need anti-cleaning, and circulation is for a long time carried out filtration, purification to cooling fluid continuously.
8, the multinomial novel structure design of the utility model employing
8.1 adopt rotation to roll the cage filter, having solved does not have auxilliary material consumption.
Attach ferrous contaminants 8.2 adopt magnetic to roll the strong magnetic of structure utilization, solved the screen pack obstruction.
8.3 adopt strand cage slag-draining device, strike off the impurity particle that magnetic rolls absorption, be discharged in the outer reel tapping process of buffering inlet water tank moisture in the filtering slag, dry slag thing is discharged, reach environmental emission reduction.
8.4 adopt the scraper plate slag-draining device, strike off precipitated impurities in the buffering inlet water tank.
8.5 adopt the hyperfine stainless steel screen pack of multilayer cycle rotation, filtering accuracy is high.
Do not have auxilliary material consumption of filter 8.6 adopt, operating cost is low.
Description of drawings
The utility model has 5 width of cloth accompanying drawings, wherein:
Fig. 1 is industrial coolant purification system front view.
Fig. 2 is industrial coolant purification system side view.
Fig. 3 is industrial coolant purification system vertical view.
Fig. 4 is the enlarged drawing at A place among Fig. 1.
Fig. 5 is the enlarged drawing at B place among Fig. 2.
Among the figure: 1, cycloid speed reducer, 2, sprocket wheel A, 3, chain, 4, sprocket wheel B, 5, the clutch fast pulley; 6, main scraper plate power transmission shaft, 7, main flight chain, 9, buffering inlet water tank inlet, 11, reducer for doffer, 12, the reductor sprocket wheel; 13, tensioner sprocket wheel, 14, spindle sprocket, 15, magnetic roller chain wheel, 16, strand cage sprocket wheel, 17, large carrying food-basket formula cartridge filter; 18, magnetic rolls, and 19, the strand cage, 20, magnetic rolls holder, 21, driving chain, 22, go out water jacket; 23, sprocket wheel sealing device, 30, straight elbow top connection, 31, straight elbow, 32, straight elbow lower contact, 33, transmission main shaft.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified, shown in Fig. 1-5, a kind of industrial coolant purification system comprises the buffering inlet water tank, organizes filter and flight chain slag-draining device more; Described many group filters are installed in the top of buffering inlet water tank side by side, and described flight chain slag-draining device comprises horizontal segment and ascent stage, and horizontal segment is positioned at the bottom of buffering inlet water tank, and the ascent stage is positioned at outside the buffering inlet water tank casing right side;
Described filter comprises that rolling cage filter, magnetic rolls adsorbent equipment and strand cage slag-draining device;
The described cage filter that rolls comprises large carrying food-basket formula cartridge filter 17, meticulous stainless steel screen pack, transmission main shaft 33, transmission speed reducer 11, driving chain 21, sprocket wheel sealing device 23, straight elbow lower contact 32 and goes out water jacket 22; Meticulous stainless steel screen pack is contained on the large carrying food-basket formula cartridge filter 17, constitutes the housing of large carrying food-basket formula cartridge filter 17, and the two ends of large carrying food-basket formula cartridge filter 17 are installed on the buffering inlet water tank casing through transmission main shaft 33; One end of described transmission main shaft 33 is equipped with spindle sprocket 14; Spindle sprocket 14 connects and composes transmission system with magnetic roller chain wheel 15, strand cage sprocket wheel 16, reductor sprocket wheel 12, tensioner sprocket wheel 13 successively through driving chain 21, and the direction of rotation of the direction of rotation of magnetic roller chain wheel 15 and spindle sprocket 14 on the contrary, all the direction of rotation with spindle sprocket 14 is identical for the direction of rotation of all the other sprocket wheels; Described transmission main shaft 33 is hollow shafts; A side, the other end that the one of which end is installed in buffering inlet water tank casing through sprocket wheel sealing device 23 be through going out the opposite side that water jacket 22 is installed in buffering inlet water tank casing, goes out water jacket 22 and be connected to the outside of buffering inlet water tank casing through straight elbow top connection 30, straight elbow 31 with straight elbow lower contact 32 and link to each other with clean liquid case;
Described magnetic rolls that adsorbent equipment comprises that magnetic rolls 18, magnetic roller chain wheel 15 and magnetic roll holder 20; Magnetic rolls holder 20 and is installed on the buffering inlet water tank casing, is positioned on the horizontal line on transmission main shaft 33 right sides; Magnetic rolls 18 and is installed in large carrying food-basket formula cartridge filter 17 right sides tops and rolls holder 20 by magnetic and fix by magnetic force direction, and magnetic rolls 18 and keeps the distance of technological requirements with large carrying food-basket formula cartridge filter 17; Magnetic roller chain wheel 15 is done backward rotation through driving chain 21 and large carrying food-basket formula cartridge filter 17;
Described strand cage slag-draining device comprises strand cage 19, strand cage sprocket wheel 16, strand cage bearing and scraper plate; Strand cage 19 is installed in magnetic and rolls 18 right side; Strand cage 19 rolls a side of 18 near magnetic connecting plate is installed, and connecting plate is connected with the fixation side of scraper plate, and the active side of scraper plate rolls 18 near magnetic; When magnetic roll 18 through scraper plate magnetic is rolled 18 absorption when rotating impurity scrape in the strand cage 19, strand cage 19 is discharged slag through rotating;
Described scraper plate conveyor chain slag-draining device; Comprise cycloid speed reducer 1, clutch apparatus, main flight chain 7, main scraper plate and main scraper plate power transmission shaft 6; Clutch apparatus is installed on the clutch fast pulley 5 at top of scraper plate conveyor chain slag-draining device ascent stage; Sprocket wheel A2 on the cycloid speed reducer 1 drives sprocket wheel B4 through chain 3 and rotates; Sprocket wheel B4 is installed in an end of main scraper plate power transmission shaft 6, drives main flight chain 7 through main scraper plate power transmission shaft 6 and rotates, and postpones and rushes in circulation drive transfer deslagging in the tank box thereby drive main scraper plate.
The described many group filters of the utility model are 2-10 group filters, confirm according to pending cooling liquid measure.
The described magnetic of the utility model rolls 18 inwalls and is lined with the half-turn magnetic material.
The described meticulous stainless steel screen pack of the utility model is the hyperfine stainless steel screen pack of multilayer.
The operation principle of the utility model is following:
Useless cooling fluid is input to the buffering inlet water tank through the liquid back pipe road, after filtering through rotational circle cage cartridge filter 17, is drained into clean liquid case through the hollow water channel of transmission main shaft 33 through going out water jacket 22.Being delivered to the lathe crowd by water pump system from clean liquid case again recycles.Magnetic rolls the impurity on the powerful magnetic absorption of the 18 usefulness large carrying food-basket formula cartridge filter 17, and through with the backward rotation of large carrying food-basket formula cartridge filter 17 and through scraper plate slag being entered strand cage 19, strand cage 19 rotates slag is discharged to outside the buffering inlet water tank.The flight chain slag-draining device drives main scraper plate power transmission shaft 6 by cycloid speed reducer 1 and does the precipitated impurities that cycle rotation will cushion in the inlet water tank through flight chain 3 and be drained into residue receiving box.
Claims (4)
1. an industrial coolant purification system is characterized in that: comprise the buffering inlet water tank, organize filter and flight chain slag-draining device more; Described many group filters are installed in the top of buffering inlet water tank side by side, and described flight chain slag-draining device comprises horizontal segment and ascent stage, and horizontal segment is positioned at the bottom of buffering inlet water tank, and the ascent stage is positioned at outside the buffering inlet water tank casing right side;
Described filter comprises that rolling cage filter, magnetic rolls adsorbent equipment and strand cage slag-draining device;
The described cage filter that rolls comprises large carrying food-basket formula cartridge filter (17), meticulous stainless steel screen pack, transmission main shaft (33), transmission speed reducer (11), driving chain (21), sprocket wheel sealing device (23), straight elbow lower contact (32) and goes out water jacket (22); Meticulous stainless steel screen pack is contained in the housing that large carrying food-basket formula cartridge filter (17) is gone up, constituted large carrying food-basket formula cartridge filter (17), and the two ends of large carrying food-basket formula cartridge filter (17) are installed on the buffering inlet water tank casing through transmission main shaft (33); One end of described transmission main shaft (33) is equipped with spindle sprocket (14); Spindle sprocket (14) connects and composes transmission system with magnetic roller chain wheel (15), strand cage sprocket wheel (16), reductor sprocket wheel (12), tensioner sprocket wheel (13) successively through driving chain (21), and the direction of rotation of the direction of rotation of magnetic roller chain wheel (15) and spindle sprocket (14) on the contrary, all the direction of rotation with spindle sprocket (14) is identical for the direction of rotation of all the other sprocket wheels; Described transmission main shaft (33) is a hollow shaft; A side, the other end that the one of which end is installed in buffering inlet water tank casing through sprocket wheel sealing device (23) be through going out the opposite side that water jacket (22) is installed in buffering inlet water tank casing, goes out water jacket (22) and be connected to the outside of cushioning the inlet water tank casing through straight elbow top connection (30), straight elbow (31) and elbow lower contact (32) directly and link to each other with clean liquid case;
Described magnetic rolls adsorbent equipment and comprises that magnetic rolls (18), magnetic roller chain wheel (15) and magnetic and rolls holder (20); Magnetic rolls holder (20) and is installed on the buffering inlet water tank casing, is positioned on the horizontal line on transmission main shaft (33) right side; Magnetic rolls (18) and is installed in large carrying food-basket formula cartridge filter (17) right side top and rolls holder (20) by magnetic and fix by magnetic force direction, and magnetic rolls the distance that (18) and large carrying food-basket formula cartridge filter (17) keep technological requirement; Magnetic roller chain wheel (15) is done backward rotation through driving chain (21) and large carrying food-basket formula cartridge filter (17);
Described strand cage slag-draining device comprises strand cage (19), strand cage sprocket wheel (16), strand cage bearing and scraper plate; Strand cage (19) is installed in the right side that magnetic rolls (18); Strand cage (19) is equipped with connecting plate near the side that magnetic rolls (18), and connecting plate is connected with the fixation side of scraper plate, and the active side of scraper plate is rolled (18) near magnetic; Through scraper plate magnetic is rolled the impurity of (18) absorption when rotating and scrape in the strand cage (19) when magnetic rolls (18), strand cage (19) is discharged slag through rotating;
Described scraper plate conveyor chain slag-draining device; Comprise cycloid speed reducer (1), clutch apparatus, main flight chain (7), main scraper plate and main scraper plate power transmission shaft (6); Clutch apparatus is installed on the clutch fast pulley (5) at top of scraper plate conveyor chain slag-draining device ascent stage; Sprocket wheel A (2) on the cycloid speed reducer (1) drives sprocket wheel B (4) through chain (3) and rotates; Sprocket wheel B (4) is installed in an end of main scraper plate power transmission shaft (6), drives main flight chain (7) through main scraper plate power transmission shaft (6) and rotates, and postpones and rushes in circulation drive transfer deslagging in the tank box thereby drive main scraper plate.
2. a kind of industrial coolant purification system according to claim 1 is characterized in that: described many group filters are 2-10 group filters, confirm according to pending cooling liquid measure.
3. a kind of industrial coolant purification system according to claim 1 is characterized in that: described magnetic rolls (18) inwall and is lined with the half-turn magnetic material.
4. a kind of industrial coolant purification system according to claim 1 is characterized in that: described meticulous stainless steel screen pack is the hyperfine stainless steel screen pack of multilayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201765002U CN202122874U (en) | 2011-05-27 | 2011-05-27 | Industrial cooling liquid purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201765002U CN202122874U (en) | 2011-05-27 | 2011-05-27 | Industrial cooling liquid purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202122874U true CN202122874U (en) | 2012-01-25 |
Family
ID=45485946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201765002U Expired - Lifetime CN202122874U (en) | 2011-05-27 | 2011-05-27 | Industrial cooling liquid purifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202122874U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102258911A (en) * | 2011-05-27 | 2011-11-30 | 大连凯泓科技有限公司 | Device for purification industrial cooling liquid |
| CN103465097A (en) * | 2013-09-12 | 2013-12-25 | 上海三一精机有限公司 | Filtered water tank of chip cleaner of machining center and machining center |
| CN106392757A (en) * | 2016-11-29 | 2017-02-15 | 中核（天津）机械有限公司 | Chip removal device |
-
2011
- 2011-05-27 CN CN2011201765002U patent/CN202122874U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102258911A (en) * | 2011-05-27 | 2011-11-30 | 大连凯泓科技有限公司 | Device for purification industrial cooling liquid |
| CN103465097A (en) * | 2013-09-12 | 2013-12-25 | 上海三一精机有限公司 | Filtered water tank of chip cleaner of machining center and machining center |
| CN106392757A (en) * | 2016-11-29 | 2017-02-15 | 中核（天津）机械有限公司 | Chip removal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120125 Effective date of abandoning: 20130918 |
|
| RGAV | Abandon patent right to avoid regrant |