CN102527800A - Automatic hydraulic channeling machine - Google Patents
Automatic hydraulic channeling machine Download PDFInfo
- Publication number
- CN102527800A CN102527800A CN2010106184636A CN201010618463A CN102527800A CN 102527800 A CN102527800 A CN 102527800A CN 2010106184636 A CN2010106184636 A CN 2010106184636A CN 201010618463 A CN201010618463 A CN 201010618463A CN 102527800 A CN102527800 A CN 102527800A
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- cylinder
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- 230000005465 channeling Effects 0.000 title abstract 3
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 41
- 239000010959 steel Substances 0.000 claims description 41
- 239000002828 fuel tank Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 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 description 3
- 241001125877 Gobio gobio Species 0.000 claims 1
- 239000003921 oil Substances 0.000 description 49
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 241001125879 Gobio Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to an automatic hydraulic channeling machine. A frame part comprises a chassis, a sole plate, a universal wheel, machine legs, a shield and a panel; a hydraulic system comprises a cylinder base, a piston rod, a piston, a cylinder body, an adjusting nut, an adjusting rod and a ruler sleeve; a channeling mechanism comprises a main motor, a power head, a coupler, a spindle, a bearing, a knurl wheel, a pressing wheel guide shaft, a pressing wheel and a pressing wheel shaft; a guide wheel mechanism comprises a guide wheel shaft, a guide wheel, a sliding adjusting knob, an adjusting bolt, a guiding block, a hand wheel, a screw rod, a screw rod slide block and a guide wheel frame; an electric system comprises a pedal switch, an alternated current contactor, an intermediate relay, a breaker, a rectifier, a transformer, a time relay, a buzzer and an indicator lamp; a hydraulic control system comprises an oil tank, an oil pump motor, a gear pump, an oil-way block, a solenoid directional valve, a pressure relay, a flow control valve and an overflow valve; and a working bracket comprises a bracket base, a bracket cylinder sleeve, a bracket cylinder base, a bracket cylinder, a bracket piston rod, a bracket plate, a bracket lifting device, a quick connector and a high-pressure oil pipe.
Description
Technical field
The present invention relates to the automatic hydraulic channelling machine; Be mainly used in various tubing end roll extrusion ring-shaped grooves such as seamless steel pipe, galvanized pipe and plastics lined pipes so that annular pipe clamp to be installed; Thereby reach the purpose of Fast Installation pipeline, belong to the facility that pipeline is installed in the building trade construction.
Background technology
In the pipeline of feedwater, draining, need between each root pipe to connect mutually, conventional art adopts flange to connect usually, is to weld but flange connects one, and the 2nd, fix with securing member, install pretty troublesomely, can produce spark again, and securing member such as screw becomes flexible easily.Therefore, begin to use channelling machine in recent years, the end of pipe is rolled into ring-shaped groove; Pipe clamp is installed in ring-shaped groove, and the processing of hydraulic pressure slot rolling does not have spark, is specially adapted to the high builder's yard of some fire protection requirement; Be connected with securing member without flange in the installation; Easy to operate, adopt the ring pipe card connection not loosening simultaneously, reliability is high.Along with the extensive application of steel pipe trench technique in gas, fluid pipeline are connected and installed, particularly the large-diameter steel pipe interconnection technique is continually developed, and older generation's hand-hydraulic channelling machine is difficult to satisfy the groove processing ability of steel pipe.The operation principle of existing channelling machine produces operational forces by the rotation of the knurled wheel on the driven by motor main shaft through hydraulic hand-pump, makes pinch roller carry out cold extrusion processing to steel pipe, thereby reaches the one-shot forming of slot rolling size.Whole workflow is leaned on manually-operated fully, wastes time and energy, and runs into large-diameter steel pipe processing, is difficult to solve trench process.
Summary of the invention
The objective of the invention is in order to overcome the shortcoming of prior art, provide a kind of and control the whole working procedure of hydraulic system automatically, the automatic hydraulic channelling machine that carry out auto-feed, resets fast by electrical system.
The technical scheme of automatic hydraulic channelling machine of the present invention is: it is characterized in that comprising:
1. the framework portion dress comprises underframe, platen, universal wheel, under-chassis, guard shield and panel;
2. cylinder system comprises cylinder pedestal, piston rod, piston, cylinder body, oil cylinder upper end cover, upper and lower oil pipe, adjusting nut, adjusting rod, locking nut and scale cover;
3. indent mechanism comprises main motor, unit head, shaft coupling, main shaft, bearing, knurled wheel, the pinch roller axis of guide, pinch roller and wheel pressing shaft;
4. guide wheel mechanism comprises guide wheel shaft, guide wheel, slidable adjustment knob, regulates bolt, guide pad, handwheel, screw mandrel, screw mandrel slide block and wheel frame;
5. electrical system comprises floor push, A.C. contactor, auxiliary reclay, breaker, rectifier, transformer, the time relay, buzzer and indicator lamp;
6. hydraulic control system comprises fuel tank, Oil pump electrical machinery, gear pump, oil path block, solenoid directional control valve, pressure switch, flow control valve and overflow valve;
7. work support comprises: carrier base, support oil cylinder cover, support cylinder seat, support oil cylinder, support piston rod, supporting plate, support spin seat, support spin housing, support steel ball, support lowering or hoisting gear, snap joint and high-pressure oil pipe.
The invention discloses a kind of automatic hydraulic channelling machine; Earlier steel pipe is placed on the work support, an end of indent is near knurled wheel, and work support is elevated to correct position; Promote steel pipe; Make steel pipe touch the knurled wheel end face, then work support is dropped to correct position (work support one bottom 1-2 degree), the work support position is placed on steel pipe length overall 5/8 place.Two adjusting nut handles are threaded to extreme lower position on the operating cyloinder, restart Oil pump electrical machinery, and gear pump is fuel feeding from fuel tank.Hydraulic oil gets into the oil cylinder cavity of resorption, and piston and pinch roller rise to the extreme higher position.Unclamp the adjusting bolt earlier, shake handwheel, screw mandrel rotates, and slidable adjustment knob and guide pad move forward and backward, and make guide wheel contact the steel pipe outer ring that processes a little, tighten the adjusting bolt.Guide wheel plays the assist location purpose, reduces the steel pipe amplitude of fluctuation.The floor push that tramps with one's feet, the electromagnetic switch valve events, hydraulic oil gets into the oil cylinder epicoele; Oil cylinder piston drives the pinch roller axis of guide and pinch roller moves down fast, and when pinch roller touched by the compressed steel pipe, system pressure increased; The pressure switch action, oil circuit switching-over, the slow feeding of piston; Main simultaneously electric motor starting drives knurled wheel and rotates, and gets into the indent state.Pinch roller extrudes ring-shaped groove at steel pipe outer ring rolling cold-extruded, above two stop nuts play the depth localization effect, when the indent degree of depth puts in place; Time relay action stops operating main motor, breaks away from floor push; The electromagnetic switch valve events, hydraulic oil gets into the oil cylinder cavity of resorption, moves the disengaging steel pipe on the pinch roller; Can steel pipe be taken off, accomplish processing.This hydraulic system needs according to different tube materials, the pipe thickness Adjustment System pressure and the amount of feeding.Be in an emergency down, press scram button, but disconnecting circuit quits work.After fault is got rid of, scram button direction rotation 30 degree of following the arrow are resetted, can restart Oil pump electrical machinery.Adopt floor push control feeding, easy to operate, safe and reliable.
Automatic hydraulic channelling machine of the present invention has filter screen in the described fuel tank, the oil after the filtration through oil pipe in gear pump.There has been filter screen to guarantee the pressure oil cleaning, avoided damaging pump and parts.Described fuel tank has oil level indicator, oil-in, oil outlet and cooling radiator.There has been oil level indicator can in time grasp fuel level in tank, replenished oil plant at any time, cooling radiator, control oil temperature guarantees work safety.Described support lowering or hoisting gear comprises hoist cylinder body, base plate, the pump housing, cylinder cover, pedal main shaft, gudgeon pin shaft, spring, seal, small piston rod, big piston, pedal treadle; Delivery valve, safety valve and pressure-relief valve; Said pressure-relief valve comprises oil nozzle joint, the little axle of pressure-relief valve, pressure-relief valve spring, release valve rod, release valve seat and pressure-relief valve steel ball; Said delivery valve comprises in steel ball under the delivery valve, delivery valve compression spring, the delivery valve steel ball on steel ball, oil outlet valve spring and the delivery valve; Said safety valve comprises safety valve spring, safety valve spring pillar, cone valve and safety valve valve head, and the operation automatically of realization circle is safe in utilization, reliable and flexible.
Description of drawings
Fig. 1 is an automatic hydraulic channelling machine duty schematic perspective view of the present invention;
Fig. 2 is an automatic hydraulic channelling machine forward sketch map of the present invention;
Fig. 3 is an automatic hydraulic channelling machine side schematic view of the present invention;
Fig. 4 is a cylinder system structural representation of the present invention;
Fig. 5 is annular knurl mechanism of the present invention and power head structure sketch map;
Fig. 6 is a guide wheel mechanism sketch map of the present invention;
Fig. 7 is an Oil pump electrical machinery block diagram of the present invention;
Fig. 8 is electrical system one road circuit diagram of the present invention;
Fig. 9 is another road circuit diagram of electrical system of the present invention;
Figure 10 is a hydraulic control system vertical view of the present invention;
Figure 11 is a hydraulic control system side view of the present invention;
Figure 12 is a work support structural representation of the present invention;
Figure 13 is the pedal switch device schematic perspective view;
Figure 14 is the pedal switch device structural representation;
Figure 15 is the pedal switch device schematic top plan view;
Figure 16 is that the H-H of Figure 13 analyses and observe the pressure-relief valve structural representation;
Figure 17 is that the E-E of Figure 14 analyses and observe the delivery valve structure sketch map;
Figure 18 is that the F-F of Figure 14 analyses and observe the safety valve structure sketch map.
The specific embodiment
The present invention relates to a kind of automatic hydraulic channelling machine,, it is characterized in that comprising like Fig. 1-shown in Figure 180:
1. framework portion adorns 1, comprises underframe 11, platen 12, universal wheel 13, under-chassis 14, guard shield 15 and panel 16;
2. cylinder system 2, comprise cylinder pedestal 21, piston rod 22, piston 23, cylinder body 24, oil cylinder upper end cover 25, upper and lower oil pipe 26,27, adjusting nut 282, adjusting rod 285, locking nut 281, scale cover 284;
3. indent mechanism 3 comprises main motor 31, unit head 4, shaft coupling 32, main shaft 33, bearing 34, knurled wheel 35, the pinch roller axis of guide 43, pinch roller 41 and wheel pressing shaft 42;
4. guide wheel mechanism 4, comprise guide wheel shaft 51, guide wheel 52, slidable adjustment knob 53, regulate bolt 54, guide pad 55, handwheel 56, screw mandrel 57, screw mandrel slide block 58 and wheel frame 59;
5. electrical system 5, comprise floor push 98, A.C. contactor 99, auxiliary reclay 100, breaker 101, rectifier 102, transformer 103, the time relay 104, buzzer 105 and indicator lamp 106;
6. hydraulic control system 6, comprise fuel tank 90, Oil pump electrical machinery 91, gear pump 92, oil path block 81, solenoid directional control valve 82, pressure switch 83, flow control valve 84 and overflow valve 85;
7. work support 7, comprise carrier base 71, support oil cylinder cover 72, support cylinder seat 73, support oil cylinder 74, support piston rod 75, supporting plate 76, support spin seat 77, support spin housing 78, support steel ball 79, support lowering or hoisting gear 6, snap joint 601 and high-pressure oil pipe 602.
During work; Earlier steel pipe 9 is placed on the work support, an end of indent is near knurled wheel 35, and work support 7 is elevated to correct position; Promote steel pipe 9; Make steel pipe 9 touch knurled wheel 35 end faces, then work support 7 is dropped to correct position (work support one bottom 1-2 degree), work support 7 positions are placed on 5/8 place of steel pipe 9 length overalls.Two adjusting nut 282 handles are threaded to extreme lower position on the operating cyloinder, restart Oil pump electrical machinery 91, and gear pump 92 is fuel feeding from fuel tank 90.Hydraulic oil gets into the oil cylinder cavity of resorption, and piston 23 and pinch roller 41 rise to the extreme higher position.Unclamp earlier and regulate bolt 54, shake handwheel 56, screw mandrel 57 rotates, and slidable adjustment knob 53 moves forward and backward with guide pad 55, make guide wheel 52 contact a little the steel pipe of processing 9 outer rings, tighten adjusting bolt 54.52 assist location purposes of guide wheel reduce steel pipe 9 amplitudes of fluctuation.The floor push 98 that tramps with one's feet, solenoid directional control valve 82 actions, hydraulic oil gets into the oil cylinder epicoele; Oil cylinder piston 23 drives the pinch roller axis of guide 43 and moves down fast with pinch roller 41, and when pinch roller 41 touched by compressed steel pipe 9, system pressure increased; Pressure switch 83 actions, oil circuit switching-over, the slow feeding of piston; Main simultaneously motor 31 starts, and drives knurled wheel 35 and rotates, and gets into the indent state.Pinch roller 41 extrudes ring-shaped groove at steel pipe 9 outer ring rolling cold-extrudeds, above two stop nuts play the depth localization effect, when the indent degree of depth puts in place; The time relay 104 actions stop operating main motor 31, break away from floor push 98; Solenoid directional control valve 82 actions, hydraulic oil gets into the oil cylinder cavity of resorption, moves on the pinch roller 41 to break away from steel pipe 9; Can steel pipe be taken off, accomplish processing.This hydraulic system needs according to different tube materials, the pipe thickness Adjustment System pressure and the amount of feeding.Be in an emergency down, press scram button, but disconnecting circuit quits work.After fault is got rid of, scram button direction rotation 30 degree of following the arrow are resetted, can restart Oil pump electrical machinery.Adopt floor push control feeding, easy to operate, safe and reliable.In the described fuel tank 61 filter screen 94 is arranged, the oil after the filtration arrives in the gear pump 92 through oil pipe 93.There has been filter screen 94 to guarantee the pressure oil cleaning, avoided damaging pump and parts.Described fuel tank 61 has oil level indicator 95, oil-in, oil outlet 96 and cooling radiator 97.There has been oil level indicator can in time grasp fuel level in tank, replenished oil plant at any time, cooling radiator, control oil temperature guarantees work safety.Described support lowering or hoisting gear 6 comprises hoist cylinder body 61, base plate 64, the pump housing 62, cylinder cover 63, pedal main shaft 65, gudgeon pin shaft 661, spring 662, seal 663, small piston rod 664, big piston 665, pedal treadle 666; Delivery valve 67, safety valve 68 and pressure-relief valve 69; Said pressure-relief valve 69 comprises oil nozzle joint 691, little 692 of pressure-relief valve, pressure-relief valve spring 693, release valve rod 694, release valve seat 695 and pressure-relief valve steel ball 696; Said delivery valve 67 comprises in steel ball 671 under the delivery valve, delivery valve compression spring 672, the delivery valve steel ball 675 on steel ball 673, oil outlet valve spring 674 and the delivery valve; Said safety valve 68 comprises safety valve spring 681, safety valve spring pillar 685, cone valve 682 and safety valve valve head 683; The operation automatically of realization circle, safe in utilization, reliable and flexible.
Claims (4)
1. automatic hydraulic channelling machine is characterized in that comprising:
1. framework portion dress (1) comprises underframe (11), platen (12), universal wheel (13), under-chassis (14), guard shield (15) and panel (16);
2. cylinder system (2) comprises cylinder pedestal (21), piston rod (22), piston (23), cylinder body (24), oil cylinder upper end cover (25), upper and lower oil pipe (26,27), adjusting nut (282), adjusting rod (285), locking nut (281), scale cover (284);
3. indent mechanism (3) comprises main motor (31), unit head (4), shaft coupling (32), main shaft (33), bearing (34), knurled wheel (35), the pinch roller axis of guide (43), pinch roller (41) and wheel pressing shaft (42);
4. guide wheel mechanism (5) comprises guide wheel shaft (51), guide wheel (52), slidable adjustment knob (53), regulates bolt (54), guide pad (55), handwheel (56), screw mandrel (57), screw mandrel slide block (58) and wheel frame (59);
5. electrical system comprises floor push (98), A.C. contactor (99), auxiliary reclay (100), breaker (101), rectifier (102), transformer (103), the time relay (104), buzzer (105) and indicator lamp (106);
6. hydraulic control system (8) comprises fuel tank (90), Oil pump electrical machinery (91), gear pump (92), oil path block (81), solenoid directional control valve (82), pressure switch (83), flow control valve (84) and overflow valve (85).
7. work support (7) comprises carrier base (71), support oil cylinder cover (72), support cylinder seat (73), support oil cylinder (74), support piston rod (75), supporting plate (76), support spin seat (77), support spin housing (78), support steel ball (79), support lowering or hoisting gear (6), snap joint (601) and high-pressure oil pipe (602).
2. automatic hydraulic channelling machine as claimed in claim 1 is characterized in that filter screen (94) is arranged in the described fuel tank (90), and the oil after the filtration is in oil pipe (93) arrives gear pump (92).
3. automatic hydraulic channelling machine as claimed in claim 1 is characterized in that described fuel tank (90) has oil level indicator (95), oil-in, oil outlet (96) and cooling radiator (97).
4. automatic hydraulic channelling machine as claimed in claim 1; It is characterized in that described support lowering or hoisting gear (6) comprises hoist cylinder body (61), base plate (64), the pump housing (62), cylinder cover (63), pedal main shaft (65), gudgeon pin shaft (661), spring (662), seal (663), small piston rod (664), big piston (665), pedal treadle (666); Delivery valve (67), safety valve (68) and pressure-relief valve (69); Said pressure-relief valve (69) comprises oil nozzle joint (691), the little axle of pressure-relief valve (692), pressure-relief valve spring (693), release valve rod (694), release valve seat (695) and pressure-relief valve steel ball (696); Said delivery valve (67) comprises in steel ball under the delivery valve (671), delivery valve compression spring (672), the delivery valve steel ball (675) on steel ball (673), oil outlet valve spring (674) and the delivery valve, and said safety valve (68) comprises safety valve spring (681), safety valve spring pillar (685), cone valve (682) and safety valve valve head (683).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010618463.6A CN102527800B (en) | 2010-12-31 | 2010-12-31 | Automatic hydraulic channeling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010618463.6A CN102527800B (en) | 2010-12-31 | 2010-12-31 | Automatic hydraulic channeling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102527800A true CN102527800A (en) | 2012-07-04 |
| CN102527800B CN102527800B (en) | 2014-12-10 |
Family
ID=46336526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010618463.6A Expired - Fee Related CN102527800B (en) | 2010-12-31 | 2010-12-31 | Automatic hydraulic channeling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102527800B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331383A (en) * | 2013-07-17 | 2013-10-02 | 成都中电锦江信息产业有限公司 | Roller frame for channeling machine |
| CN103331369A (en) * | 2013-06-13 | 2013-10-02 | 成都中电锦江信息产业有限公司 | Shell-type knurl wheel for channelling machine |
| CN105033006A (en) * | 2015-07-28 | 2015-11-11 | 台州市黄岩图伟建筑设备制造有限公司 | Automatic hydraulic grooving machine |
| CN105537347A (en) * | 2016-01-27 | 2016-05-04 | 济南迈克管道科技有限公司 | Automatic groove pressing equipment for steel pipes |
| CN106111765A (en) * | 2016-08-24 | 2016-11-16 | 泉州市双塔汽车零件有限公司 | A kind of oil gauge pipe channelling machine |
| CN106623554A (en) * | 2016-10-20 | 2017-05-10 | 成都中电锦江信息产业有限公司 | Roller frame for small channeling machine |
| CN107999586A (en) * | 2017-11-29 | 2018-05-08 | 无锡市汇鼎金属制管有限公司 | A kind of metal tube processing groove pressing device |
| CN108043929A (en) * | 2017-12-13 | 2018-05-18 | 潍坊江钢机械有限公司 | Foot control channelling machine |
| CN112605198A (en) * | 2020-12-15 | 2021-04-06 | 云南大泽电极科技股份有限公司 | Negative plate interface processing device for electrodeposition |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111299385B (en) * | 2018-12-12 | 2022-08-19 | 杭州宏力管道机械有限公司 | Automatic hydraulic channeling machine |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331369A (en) * | 2013-06-13 | 2013-10-02 | 成都中电锦江信息产业有限公司 | Shell-type knurl wheel for channelling machine |
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| CN103331383B (en) * | 2013-07-17 | 2015-04-08 | 成都中电锦江信息产业有限公司 | Roller frame for channeling machine |
| CN103331383A (en) * | 2013-07-17 | 2013-10-02 | 成都中电锦江信息产业有限公司 | Roller frame for channeling machine |
| CN105033006A (en) * | 2015-07-28 | 2015-11-11 | 台州市黄岩图伟建筑设备制造有限公司 | Automatic hydraulic grooving machine |
| CN105537347B (en) * | 2016-01-27 | 2017-06-23 | 济南迈科管道科技股份有限公司 | A kind of steel pipe automatic grooving process equipment |
| CN105537347A (en) * | 2016-01-27 | 2016-05-04 | 济南迈克管道科技有限公司 | Automatic groove pressing equipment for steel pipes |
| CN106111765A (en) * | 2016-08-24 | 2016-11-16 | 泉州市双塔汽车零件有限公司 | A kind of oil gauge pipe channelling machine |
| CN106623554A (en) * | 2016-10-20 | 2017-05-10 | 成都中电锦江信息产业有限公司 | Roller frame for small channeling machine |
| CN107999586A (en) * | 2017-11-29 | 2018-05-08 | 无锡市汇鼎金属制管有限公司 | A kind of metal tube processing groove pressing device |
| CN108043929A (en) * | 2017-12-13 | 2018-05-18 | 潍坊江钢机械有限公司 | Foot control channelling machine |
| CN112605198A (en) * | 2020-12-15 | 2021-04-06 | 云南大泽电极科技股份有限公司 | Negative plate interface processing device for electrodeposition |
| CN112605198B (en) * | 2020-12-15 | 2022-11-22 | 云南大泽电极科技股份有限公司 | Negative plate interface processing device for electrodeposition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102527800B (en) | 2014-12-10 |
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