CN204564801U - A kind of metal lithium bands process units - Google Patents
A kind of metal lithium bands process units Download PDFInfo
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- CN204564801U CN204564801U CN201520184587.6U CN201520184587U CN204564801U CN 204564801 U CN204564801 U CN 204564801U CN 201520184587 U CN201520184587 U CN 201520184587U CN 204564801 U CN204564801 U CN 204564801U
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Abstract
The open metal lithium bands process units of the utility model, comprise assembling die, mold base, lead lithium plate, squeeze cylinder, vacuum (-tight) housing and the metal lithium bands pressurizing unit of the pressure ram of pressure can be provided and comprise winding bar and the metal lithium bands coiler device of lithium tape wrapping device, pressure ram is positioned at squeeze cylinder, bottom squeeze cylinder with lead lithium plate seal fix, lead lithium plate central authorities and set out lithium mouth, mold base central authorities establish mould mouth, assembling die is located in mould mouth, go out lithium mouth to communicate with mould mouth, lead lithium plate and mold base is fixing, pressure ram basal surface with lead lithium plate and offset, vacuum (-tight) housing top and pressure ram are tightly connected, vacuum (-tight) housing lower end and squeeze cylinder are tightly connected, lithium tape wrapping device is positioned at immediately below mould mouth, metal lithium bands is wound on lithium tape wrapping device.The utility model belongs to that lithium band process units structure is simple, the metal lithium bands thickness produced evenly, be out of shape little, good product quality, production efficiency are high, yield rate and qualification rate is high, cost is low.
Description
Technical field
The utility model relates to a kind of metal manufacturing apparatus, particularly relates to a kind of metal lithium bands process units.
Background technology
Lithium metal and alloy thereof are a kind of desirable lithium cell cathode materials, are often processed to lithium band.The method of current industrial processing lithium band is mainly extrusion, and this method adopts pressurizing unit, by huge pressure extrusion lithium metal ingot, is then shaped to the lithium band of different size through particular mold.At present, the industrial lateral extrusion technique that all adopts prepares metal lithium bands, and this method adopts lateral extrusion device, by pressure ram lateral extrusion lithium metal, under the traction of coiler device, lithium band is pulled out by level, again after two pair rollers, lithium band is wound onto on coiler.Because lithium band itself has gravity, lithium band easily teetertotters in horizontal movement process, and cause the lithium band became uneven extruded, and easily deform, poor product quality, qualification rate is low.
Summary of the invention
The utility model completes to solve deficiency of the prior art, the purpose of this utility model is to provide that a kind of structure is simple, the thickness of metal lithium bands thin and thick produced evenly, metal lithium bands distortion is little, good product quality, production efficiency are high, yield rate and qualification rate is high, cost is low metal lithium bands process units.
A kind of metal lithium bands process units of the present utility model, comprise metal lithium bands pressurizing unit and metal lithium bands coiler device, described metal lithium bands pressurizing unit comprises assembling die, mold base, lead lithium plate, squeeze cylinder, vacuum (-tight) housing and the pressure ram that pressure can be provided, the described pressure ram that can move up and down along described squeeze cylinder is positioned at the described squeeze cylinder that can form seal cavity, be fixedly connected with described lithium plate removable seal formula of leading bottom described squeeze cylinder, the described lithium plate central authorities that lead arrange and through go out lithium mouth, described mold base central authorities arrange through mould mouth, described assembling die is arranged in described mould mouth, described go out lithium mouth be connected with described mould mouth, describedly lead lithium plate with described mold base for be detachably fixedly connected with, described pressure ram basal surface and described lithium plate of leading can be removed formula and offset, described vacuum (-tight) housing top is connected with described pressure ram movable type sealed, described vacuum (-tight) housing lower end and described squeeze cylinder can be removed formula and be tightly connected, the winding bar that described metal lithium bands coiler device comprises rotation and the lithium tape wrapping device be fixed on winding bar, described lithium tape wrapping device is positioned at immediately below described mould mouth, the metal lithium bands that described mould mouth exports is wound on described lithium tape wrapping device.
A kind of metal lithium bands process units of the present utility model can also be:
Described squeeze cylinder bottom interior wall is extended downwards annular protrusion, described in lead lithium plate top surface and be provided with annular groove, described annular protrusion and the sealed grafting of described annular groove.
Described annular protrusion thickness is 5-10mm, is highly 10-20mm.
Described pressure ram comprises connecting rod and extrusion head, and described extrusion head is removably fixed in described connecting rod bottom, and described extrusion head lower surface and described lithium plate upper surface of leading can be removed formula and offset.
Described extrusion head is removably fixed on described connecting rod with the screw thread being positioned at described spiro rod rear end by the screw rod inserting described extrusion head and connecting rod.
Described go out lithium mouth longitudinal cross-section be trapezoidal, described in go out lithium mouth width and from top to bottom reduce gradually.
Described squeeze cylinder outer wall stretches out and is provided with at least one ring stiffener.
Described vacuum (-tight) housing lower end is provided with sealing ring, and described sealing ring and described squeeze cylinder top can be removed formula and be tightly connected.
Described squeeze cylinder top is provided with recessed groove downwards, and described sealing ring can be removed formula with the groove being arranged at described squeeze cylinder top and be tightly connected.
A kind of metal lithium bands process units of the present utility model, comprise metal lithium bands pressurizing unit and metal lithium bands coiler device, described metal lithium bands pressurizing unit comprises assembling die, mold base, lead lithium plate, squeeze cylinder, vacuum (-tight) housing and the pressure ram that pressure can be provided, the described pressure ram that can move up and down along described squeeze cylinder is positioned at the described squeeze cylinder that can form seal cavity, be fixedly connected with described lithium plate removable seal formula of leading bottom described squeeze cylinder, the described lithium plate central authorities that lead arrange and through go out lithium mouth, described mold base central authorities arrange through mould mouth, described assembling die is arranged in described mould mouth, described go out lithium mouth be connected with described mould mouth, describedly lead lithium plate with described mold base for be detachably fixedly connected with, described pressure ram basal surface and described lithium plate of leading can be removed formula and offset, described vacuum (-tight) housing top is connected with described pressure ram movable type sealed, described vacuum (-tight) housing lower end and described squeeze cylinder can be removed formula and be tightly connected, the winding bar that described metal lithium bands coiler device comprises rotation and the lithium tape wrapping device be fixed on winding bar, described lithium tape wrapping device is positioned at immediately below described mould mouth, the metal lithium bands that described mould mouth exports is wound on described lithium tape wrapping device.Like this, in the process of producing metal lithium bands, pressure ram is driven to rise and leave squeeze cylinder or spill squeeze cylinder upper feeding mouth; Lithium metal ingot is put into squeeze cylinder and pressure ram is pressed into squeeze cylinder, described lithium metal ingot is positioned at immediately below described pressure ram; Slow driving pressure ram declines, until vacuum (-tight) housing lower end is connected with squeeze cylinder is sealed, makes to form seal cavity in squeeze cylinder; Squeeze cylinder is vacuumized, makes the seal cavity in squeeze cylinder be vacuum seal space; Pressure ram is driven slowly to decline, to offset with lithium metal ingot bottom pressure ram and to pressing down lithium metal ingot, lithium metal ingot enters in the mould mouth of mold base from the lithium mouth that goes out of leading lithium plate, through the effect of assembling die, exports the metal lithium bands that extruding is formed from mould mouth bottom; Be wound on by metal lithium bands head end on described lithium tape wrapping device, drive winding bar to rotate, the metal lithium bands driving lithium tape wrapping device rotation winding to export from mould mouth, reels and extrudes lithium ingot, until pressure ram is down to minimum, stop winding; Repeat above-mentioned steps, go round and begin again and produce and coiled metal lithium band.Such metal lithium bands pressurizing unit carries out longitudinal extruding to lithium metal ingot, extruding efficiency is high, and lithium tape wrapping device is positioned at immediately below mould mouth, namely metal lithium bands coiler device is positioned at below metal lithium bands pressurizing unit, entering lithium band pressurizing unit for extrusion metal lithium ingot exports metal lithium bands, metal lithium bands is wound on lithium tape wrapping device, because metal lithium bands is wound along its gravity direction, therefore the lithium band extruded can not be that the metal lithium bands produced can not be out of shape due to the advantage had for transverse shear stress and horizontal wraparound by the effect and deforming of self gravitation, thin and thick thickness is even, product quality and qualification rate all significantly improve.The advantage had in terms of existing technologies is: structure is simple, the thickness of metal lithium bands thin and thick produced evenly, metal lithium bands distortion is little, good product quality, production efficiency are high, yield rate and qualification rate is high, cost is low.
Accompanying drawing explanation
A kind of metal lithium bands process units of Fig. 1 the utility model embodiment schematic diagram.
A kind of metal lithium bands process units of Fig. 2 the utility model embodiment metal lithium bands pressurizing unit partly cuts open figure.
A kind of metal lithium bands process units of Fig. 3 the utility model embodiment pressure ram schematic diagram.
A kind of metal lithium bands process units of Fig. 4 the utility model embodiment is led lithium plate and is partly cutd open figure.
A kind of metal lithium bands process units of Fig. 5 the utility model embodiment is led lithium plate and is connected top view with mold base.
A kind of metal lithium bands process units of Fig. 6 the utility model embodiment squeeze cylinder partly cuts open figure.
Figure number explanation
1 ... assembling die 2 ... mold base 3 ... lead lithium plate
4 ... squeeze cylinder 5 ... vacuum (-tight) housing 6 ... pressure ram
7 ... connecting rod 8 ... extrusion head 9 ... annular protrusion
10 ... annular groove 11 ... go out lithium mouth 12 ... mould mouth
13 ... ring stiffener 14 ... winding bar 15 ... winding drive unit
16 ... lithium tape wrapping device 17 ... glove box 18 ... cut off
Detailed description of the invention
Fig. 1 to Fig. 6 below in conjunction with accompanying drawing is described in further detail a kind of metal lithium bands process units of the present utility model.
A kind of metal lithium bands process units of the present utility model, please refer to Fig. 1 to Fig. 6, comprise metal lithium bands pressurizing unit and metal lithium bands coiler device, described metal lithium bands pressurizing unit comprises assembling die 1, mold base 2, lead lithium plate 3, squeeze cylinder 4, vacuum (-tight) housing 5 and the pressure ram 6 that pressure can be provided, the described pressure ram 6 that can move up and down along described squeeze cylinder 4 is positioned at the described squeeze cylinder 4 that can form seal cavity, be fixedly connected with described lithium plate 3 removable seal formula of leading bottom described squeeze cylinder 4, described lithium plate 3 central authorities that lead arrange and through go out lithium mouth 11, described mold base 2 central authorities arrange through mould mouth 12, described assembling die 1 is arranged in described mould mouth 12, described go out lithium mouth 11 be connected with described mould mouth 12, describedly lead lithium plate 3 with described mold base 2 for be detachably fixedly connected with, described pressure ram 6 basal surface and described lithium plate 3 of leading can be removed formula and offset, described vacuum (-tight) housing 5 top is connected with described pressure ram 6 movable type sealed, described vacuum (-tight) housing 5 lower end and described squeeze cylinder 4 can be removed formula and be tightly connected, the winding bar 14 that described metal lithium bands coiler device comprises rotation and the lithium tape wrapping device 16 be fixed on winding bar 14, described lithium tape wrapping device 16 is positioned at immediately below described mould mouth 12, the metal lithium bands that described mould mouth 12 exports is wound on described lithium tape wrapping device 16.Like this, in the process of producing metal lithium bands, pressure ram 6 is driven to rise and leave squeeze cylinder 4 or spill squeeze cylinder 4 upper feeding mouth; Lithium metal ingot is put into squeeze cylinder 4 and pressure ram 6 is pressed into squeeze cylinder 4, described lithium metal ingot is positioned at immediately below described pressure ram 6; Slow driving pressure ram 6 declines, until vacuum (-tight) housing 5 lower end is connected with squeeze cylinder 4 is sealed, makes to form seal cavity in squeeze cylinder; Squeeze cylinder 4 is vacuumized, makes the seal cavity in squeeze cylinder 4 be vacuum seal space; Pressure ram 6 is driven slowly to decline, to offset with lithium metal ingot bottom pressure ram 6 and to pressing down lithium metal ingot, lithium metal ingot enters in the mould mouth 12 of mold base 2 from the lithium mouth 11 that goes out of leading lithium plate 3, through the effect of assembling die 1, exports the metal lithium bands that extruding is formed from mould mouth 12 bottom; Metal lithium bands head end is wound on described lithium tape wrapping device 16, drives winding bar 14 to rotate, drive lithium tape wrapping device 16 to rotate the metal lithium bands reeling and export from mould mouth 12, reel and extrude lithium ingot, until pressure ram 6 is down to minimum, stop winding; Repeat above-mentioned steps, go round and begin again and produce and coiled metal lithium band.Such metal lithium bands pressurizing unit carries out longitudinal extruding to lithium metal ingot, extruding efficiency is high, and lithium tape wrapping device 16 is positioned at immediately below mould mouth 12, namely metal lithium bands coiler device is positioned at below metal lithium bands pressurizing unit, metal lithium bands pressurizing unit is used for extrusion metal lithium ingot and exports metal lithium bands, metal lithium bands is wound on lithium tape wrapping device 16, because metal lithium bands is wound along its gravity direction, therefore bulk metal lithium band is downwards overall along gravity direction, the lithium band extruded can not deform due to the effect by gravity, the advantage simultaneously had for transverse shear stress and horizontal wraparound is that the metal lithium bands produced can not be out of shape, thin and thick thickness is even, product quality and qualification rate all significantly improve.The advantage had in terms of existing technologies is: structure is simple, the thickness of metal lithium bands thin and thick produced evenly, metal lithium bands distortion is little, good product quality, production efficiency are high, yield rate and qualification rate is high, cost is low.Concrete analysis: the effect of assembling die 1 combines with mold base 2 under the squeezing action of pressure ram 6 pairs of lithium ingots, lithium ingot to be out of shape to form lithium band to export from the mould mouth 12 bottom mold base 2.The effect leading lithium plate 3 more easily enters in mould mouth 12 in the process facilitating lithium ingot to compress downwards, prepared by metal lithium bands be more prone to.Squeeze cylinder 4 is for holding lithium metal ingot and ensureing its downward extrusion metal lithium ingot under the effect of pressure ram 6.Pressure ram 6 moves up and down in squeeze cylinder 4, facilitates extrusion metal lithium ingot.The vacuum state of squeeze cylinder 4 is removed when the effect of vacuum (-tight) housing 5 is and moves up, convenient loading lithium metal ingot, compress when moving downward and after squeeze cylinder 4 top contact, sealing extrusion cylinder 4 is facilitated to form enclosure space, then the vavuum pump that vacuum (-tight) housing 5 connects is enabled in, by evacuated for squeeze cylinder 4 inner sealing space.Avoid lithium metal be oxidized and produce large bubble, affect the end product quality of lithium band.And the effect of lithium tape wrapping device 16 drives lithium band to be wound around.Certain lithium tape wrapping device 16 can Direct driver, winding bar 14 is not used to drive passable yet, winding drive motors is such as used directly to drive lithium tape wrapping device 16 to rotate around own axes, also can be that winding drive motors as shown in the figure drives winding bar 14 to rotate, lithium tape wrapping device 16 is fixed on winding bar 14, drives lithium tape wrapping device 16 coiling rotate around the rotation centerline of bar 14 and then be wrapped in by metal lithium bands on lithium tape wrapping device 16 while winding bar 14 rotates.In addition, can also be that metal lithium bands pressurizing unit and metal lithium bands coiler device are all fixed in airtight glove box 17, as shown in Figure 1, partition 18 is used to separate in the middle of glove box 17, metal lithium bands pressurizing unit is positioned at the top of described partition 18, metal lithium bands coiler device is positioned at the below of described partition 18, and the mold base 2 of metal lithium bands pressurizing unit is fixed on partition 18, described partition 18 offers opening and supplies the lithium band of metal lithium bands pressurizing unit extruding output to pass through.Like this, metal lithium bands pressurizing unit and metal lithium bands coiler device according to directly over and immediately below azimuth distribution, facilitate the winding of finished metal lithium band and produce.Further preferred technical scheme is be full of inert gas in described closed glove box 17.The advantage being full of inert gas in glove box 17 is the end product quality avoided metal lithium bands surface oxidation or itself and contacting external air and physical-chemical reaction occurs and then affects metal lithium bands.Preferred technical scheme is described inert gas is further argon gas.The advantage that argon gas has for other inert gases is easy buying, and price is lower, effectively can reduce the production cost of metal lithium bands.In addition, lithium tape wrapping device 16 is lithium belt reel, and lithium belt reel center is located on winding bar 14 fixing, and winding bar 14 rotates, then lithium belt reel rotates thereupon.
A kind of metal lithium bands process units of the present utility model, please refer to Fig. 1 to Fig. 6, the basis of previously described technical scheme can be specifically: described squeeze cylinder 4 bottom interior wall is extended downwards annular protrusion 9, described lithium plate 3 end face of leading is provided with annular groove 10, described annular protrusion 9 and the sealed grafting of described annular groove 10.Like this, in the process of producing lithium band, lithium metal ingot is put into squeeze cylinder 4, it is positioned at the lowermost end of squeeze cylinder, pressure ram 6 moves down under the effect of drive unit, the vacuum (-tight) housing 5 driving upper end to be tightly connected with it moves down, the lower end of pressure ram 6 moves down along vertical in squeeze cylinder 4, when pressure ram 6 moves to certain position, vacuum (-tight) housing 5 bottom contacts with squeeze cylinder 4 closes convection current that is extraneous and air in squeeze cylinder 4, pressure ram 6 moves down further, and then pressure ram 6 and squeeze cylinder 4 are tightly connected, make to form seal cavity in squeeze cylinder 4, then squeeze cylinder 4 is vacuumized, make to keep vacuum state in squeeze cylinder 4.Due to annular protrusion 9 and the sealed grafting of annular groove 10, vacuum state in further guarantee squeeze cylinder 4, then pressure ram 6 continues to move downward, pressure ram 6 bottom continues to move down along squeeze cylinder 4, and then the lithium metal ingot of squeeze cylinder 4 lower seal is extruded downwards, lithium metal ingot from leading the going out in mould mouth 12 that lithium mouth 11 enters in mold base 2 of lithium plate 3, to be pressed in assembling die 1 and finally to produce by assembling die 1 metal lithium bands needing specification under downward extruding force effect.And the annular protrusion 9 of sealed grafting and annular groove 10 ensure that bottom squeeze cylinder 4 and lead the hermetically-sealed construction of lithium plate 3 top squeeze stress area, good sealing effect, maintain the vacuum in squeeze cylinder 4, prevent extruding the lithium belt surface produced and produce bubble, improve the qualification rate of lithium band, and avoid lithium metal and spill from pressure ram 6, reduce squeeze cylinder 4 wash number, improve metal lithium bands production efficiency, and shared lithium metal ingot to squeeze cylinder 4 and the pressure of leading the connecting screw rod between lithium plate 3, prevent from screw rod from rupturing splash and hurt sb.'s feelings, eliminate potential safety hazard.The advantage had in terms of existing technologies is: structure is simple, squeeze cylinder 4 good airproof performance, equipment capacity is large, product percent of pass is high, security performance is reliable.Vacuum (-tight) housing 5 is connected with vavuum pump, and after vacuum (-tight) housing 5 bottom and squeeze cylinder 4 are tightly connected, start vavuum pump and deflate in vacuum (-tight) housing 5 and squeeze cylinder 4, the space making vacuum (-tight) housing 5 and squeeze cylinder 4 seal gradually becomes vacuum state.
A kind of metal lithium bands process units of the present utility model, please refer to Fig. 1 to Fig. 6, the basis of previously described technical scheme can be specifically: described pressure ram 6 comprises connecting rod 7 and extrusion head 8, described extrusion head 8 is removably fixed in described connecting rod 7 bottom, and described extrusion head 8 lower surface and described lithium plate 3 upper surface of leading can be removed formula and offset.Like this, in the process of producing lithium band, squeeze cylinder 4 put into by lithium metal ingot, it is positioned at the lowermost end of squeeze cylinder, pressure ram 6 moves down under the effect of drive unit, the vacuum (-tight) housing 5 driving upper end to be tightly connected with it moves down, the lower end of pressure ram 6 in squeeze cylinder 4 along vertical slide downward, when pressure ram 6 moves to certain position, vacuum (-tight) housing 5 bottom contacts with squeeze cylinder 4 closes convection current that is extraneous and gas in squeeze cylinder 4, pressure ram 6 moves down further, and then pressure ram 6 and squeeze cylinder 4 are tightly connected, make to form seal cavity in squeeze cylinder 4, then squeeze cylinder 4 is vacuumized, make to keep vacuum state in squeeze cylinder 4.Then pressure ram 6 continues to move downward, pressure ram 6 bottom continues to move down along squeeze cylinder 4, and then the lithium metal ingot of squeeze cylinder 4 lower seal is extruded downwards, lithium metal ingot enters in mould mouth 12 from the lithium mouth 11 that goes out of leading lithium plate 3 under downward extruding force effect, and final production goes out to need the metal lithium bands of specification after assembling die 1.And pressure ram 6 comprises connecting rod 7 and extrusion head 8, extrusion head 7 contacts with lithium metal ingot and extrusion metal lithium ingot and then produce lithium band, lead going out after in lithium mouth 11 on lithium plate 3 when lithium metal ingot is all squeezed into, extrusion head 8 with lead lithium plate 3 upper surface and offset, complete lithium band production technology.After extrusion head 8 is gradually worn down in long extrusion process, only need the extrusion head 8 more renewed after being unloaded by extrusion head 8, and being tightly connected between connecting rod 7 and vacuum (-tight) housing 5 is connected and sealed after not needing to remove again, effectively save maintenance cost, shorten maintenance man-hours, further increase production efficiency, reduce production cost.The advantage had in terms of existing technologies is: structure simply, does not need integral replacing pressure ram 6, saves maintenance cost, shortens maintenance time, enhances productivity.Vacuum (-tight) housing 5 is connected with vavuum pump, and after vacuum (-tight) housing 5 bottom and squeeze cylinder 4 are tightly connected, start vavuum pump and deflate in vacuum (-tight) housing 5 and squeeze cylinder 4, the space making vacuum (-tight) housing 5 and squeeze cylinder 4 seal gradually becomes vacuum state.Preferred technical scheme is that described extrusion head 8 is removably fixed on described connecting rod 7 with the screw thread being positioned at described spiro rod rear end by the screw rod inserting described extrusion head 8 and connecting rod 7 further.Such dismounting and change more convenient, and do not affect the squeezing effect of lithium band.Certainly can also be other dismounting fixed forms, as long as the extrusion head 8 more renewed after extrusion head 8 and connecting rod 7 can being dismantled also conveniently is installed.Certain screw rod can be six interior angle screw rods, also can be other screw rods.Preferred technical scheme is further: described extrusion head 8 is detachably fixed by being located at least two screw rods be threaded on described extrusion head 8 with described connecting rod.The advantage that ring is established is each screw rod uniform force, is not easy fracture, and avoids stress raisers.
A kind of metal lithium bands process units of the present utility model, please refer to Fig. 1 to Fig. 6, and the basis of previously described technical scheme can also be: described in go out lithium mouth 11 longitudinal cross-section be trapezoidal, described in go out lithium mouth 11 width and from top to bottom reduce gradually.The advantage going out lithium mouth 11 like this can make the lithium metal constant rate from going out lithium mouth 11 and flowing out, constant to mould applied pressure, makes the lithium band product thickness that obtains even, improves the quality of products and qualification rate.Can also be that described squeeze cylinder outer wall stretches out and is provided with at least one ring stiffener 13.Squeeze cylinder can be avoided so stressed and be out of shape.Can also be that described vacuum (-tight) housing 5 lower end is provided with sealing ring, described sealing ring can be removed formula with the groove being arranged at described squeeze cylinder 4 top and be tightly connected.The vacuum of the seal cavity in such guarantee squeeze cylinder.Preferred technical scheme is that described squeeze cylinder 4 top is provided with recessed groove downwards further, and described sealing ring can be removed formula with the groove being arranged at described squeeze cylinder 4 top and be tightly connected.The vacuum of the seal cavity in further guarantee squeeze cylinder.
A kind of metal lithium bands process units of the present utility model, please refer to Fig. 1 to Fig. 6, and the basis of previously described technical scheme can also be: lead lithium plate 3 top and be detachably fixedly connected with nut by screw rod with bottom described squeeze cylinder 4.Can also be described squeeze cylinder 4, described in lead at least two cover screw rods that lithium plate 3 and described mold base 2 established by ring and be detachably fixedly connected with the nut that screw rod is threaded.The Method compare that removably connects of screw rod and nut is simple, dismounting and easy for installation, and fixing relatively firmly, security performance is better.
A kind of metal lithium bands production method, please refer to Fig. 1 to Fig. 6, comprises the steps:
A. pressure ram 6 is driven to rise and leave squeeze cylinder 4 or spill squeeze cylinder 4 upper feeding mouth;
B. lithium metal ingot is put into squeeze cylinder 4 and pressure ram 6 is pressed into squeeze cylinder 4, described lithium metal ingot is positioned at immediately below described pressure ram 6;
C. slowly drive pressure ram 6 to decline, until vacuum (-tight) housing 5 lower end is connected with squeeze cylinder 4 is sealed, make to form seal cavity in squeeze cylinder 4;
D. squeeze cylinder 4 is vacuumized, make the seal cavity in squeeze cylinder 4 be vacuum seal space;
E. pressure ram 6 is driven slowly to decline, to offset with lithium metal ingot bottom pressure ram 6 and to pressing down lithium metal ingot, lithium metal ingot enters in the mould mouth 12 of mold base 2 from the lithium mouth 11 that goes out of leading lithium plate 3, through the effect of assembling die 1, exports the metal lithium bands that extruding is formed from mould mouth 12 bottom;
F. metal lithium bands head end is wound on described lithium tape wrapping device 16, drives winding bar 14 to rotate, drive lithium tape wrapping device 16 to rotate the metal lithium bands reeling and export from mould mouth 12, reel and extrude lithium ingot, until pressure ram 6 is down to minimum, stop winding;
G. repeat A-F step, go round and begin again and produce and coiled metal lithium band.
Utilize above-mentioned metal lithium bands process units, and the thickness of the metal lithium bands thin and thick of being produced by above-mentioned steps evenly, metal lithium bands distortion is little, good product quality, production efficiency are high, yield rate and qualification rate is high, cost is low.
A kind of metal lithium bands production method of the present utility model, please refer to Fig. 1 to Fig. 6, the basis of previously described technical scheme can also be: in described step A, pressure ram 6 hoisting depth can be apart from being 300-500mm to squeeze cylinder 4 upper end, be convenient to like this add lithium metal ingot in squeeze cylinder 4, be also unlikely to the stroke range exceeding pressure ram 6.In described D step, running vavuum pump and extract air in squeeze cylinder 4, make the enclosure space in squeeze cylinder 4 form vacuum state, is-0.08Mpa ~-0.01Mpa than even more preferably relative vacuum degree, the bubble that the lithium band squeezed out like this produces is little, and good product quality, qualification rate are high.In addition, the width of the metal lithium bands produced is 4 ~ 300mm, and thickness is 0.05 ~ 4mm.
Above-mentionedly only several specific embodiments in the utility model to be illustrated; but can not as protection domain of the present utility model; every according to the change of the equivalence done by design spirit in the utility model or to modify or equal proportion zooms in or out, all should think and fall into protection domain of the present utility model.
Claims (9)
1. a metal lithium bands process units, it is characterized in that: comprise metal lithium bands pressurizing unit and metal lithium bands coiler device, described metal lithium bands pressurizing unit comprises assembling die, mold base, lead lithium plate, squeeze cylinder, vacuum (-tight) housing and the pressure ram that pressure can be provided, the described pressure ram that can move up and down along described squeeze cylinder is positioned at the described squeeze cylinder that can form seal cavity, be fixedly connected with described lithium plate removable seal formula of leading bottom described squeeze cylinder, the described lithium plate central authorities that lead arrange and through go out lithium mouth, described mold base central authorities arrange through mould mouth, described assembling die is arranged in described mould mouth, described go out lithium mouth be connected with described mould mouth, describedly lead lithium plate with described mold base for be detachably fixedly connected with, described pressure ram basal surface and described lithium plate of leading can be removed formula and offset, described vacuum (-tight) housing top and described pressure ram seal packaged type and are connected, described vacuum (-tight) housing lower end and described squeeze cylinder can be removed formula and be tightly connected, the winding bar that described metal lithium bands coiler device comprises rotation and the lithium tape wrapping device be detachably fixed on winding bar, described lithium tape wrapping device is positioned at immediately below described mould mouth, the metal lithium bands that described mould mouth exports is wound on described lithium tape wrapping device.
2. a kind of metal lithium bands process units according to claim 1, it is characterized in that: described squeeze cylinder bottom interior wall is extended downwards annular protrusion, described lithium plate top surface of leading is provided with annular groove, described annular protrusion and the sealed grafting of described annular groove.
3. a kind of metal lithium bands process units according to claim 2, it is characterized in that: described annular protrusion thickness is 5-10mm, is highly 10-20mm.
4. a kind of metal lithium bands process units according to claim 1, it is characterized in that: described pressure ram comprises connecting rod and extrusion head, described extrusion head is removably fixed in described connecting rod bottom, and described extrusion head lower surface and described lithium plate upper surface of leading can be removed formula and offset.
5. a kind of metal lithium bands process units according to claim 4, is characterized in that: described extrusion head is removably fixed on described connecting rod with the screw thread being positioned at described spiro rod rear end by the screw rod inserting described extrusion head and connecting rod.
6. a kind of metal lithium bands process units according to any one claim of claim 1 to 5, is characterized in that: described in go out lithium mouth longitudinal cross-section be trapezoidal, described in go out lithium mouth width and from top to bottom reduce gradually.
7. a kind of metal lithium bands process units according to any one claim of claim 1 to 5, is characterized in that: described squeeze cylinder outer wall stretches out and is provided with at least one ring stiffener.
8. a kind of metal lithium bands process units according to any one claim of claim 1 to 5, is characterized in that: described vacuum (-tight) housing lower end is provided with sealing ring, and described sealing ring and described squeeze cylinder top can be removed formula and be tightly connected.
9. a kind of metal lithium bands process units according to claim 8, is characterized in that: described squeeze cylinder top is provided with recessed groove downwards, and described sealing ring can be removed formula with the groove being arranged at described squeeze cylinder top and be tightly connected.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759478A (en) * | 2015-03-30 | 2015-07-08 | 奉新赣锋锂业有限公司 | Metal lithium belt manufacturing device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759478A (en) * | 2015-03-30 | 2015-07-08 | 奉新赣锋锂业有限公司 | Metal lithium belt manufacturing device and method |
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