CN204564804U - Metal lithium bands pressurizing unit - Google Patents
Metal lithium bands pressurizing unit Download PDFInfo
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- CN204564804U CN204564804U CN201520184769.3U CN201520184769U CN204564804U CN 204564804 U CN204564804 U CN 204564804U CN 201520184769 U CN201520184769 U CN 201520184769U CN 204564804 U CN204564804 U CN 204564804U
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- lithium
- squeeze cylinder
- pressurizing unit
- extrusion head
- pressure ram
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Abstract
The open metal lithium bands pressurizing unit of the utility model, comprise assembling die, mold base, lead lithium plate, squeeze cylinder, vacuum (-tight) housing and the pressure ram that pressure can be provided, the pressure ram that can move up and down along squeeze cylinder is positioned at squeeze cylinder, bottom squeeze cylinder with lead lithium plate removable seal formula and be fixedly connected with, lead lithium plate central authorities to arrange and through go out lithium mouth, mold base central authorities arrange through mould mouth, assembling die is arranged in mould mouth, go out lithium mouth to be connected with mould mouth, lead lithium plate to be detachably fixedly connected with mold base, vacuum (-tight) housing top is connected with pressure ram or mobile sealing, vacuum (-tight) housing lower end and squeeze cylinder can be removed formula and be tightly connected, pressure ram comprises connecting rod and extrusion head, extrusion head is removably fixed in connecting rod bottom, extrusion head lower surface with lead lithium plate upper surface and can remove formula and offset.The utility model metal lithium bands pressurizing unit structure simply, does not need integral replacing pressure ram, saves maintenance cost, shortens maintenance time, enhances productivity.
Description
Technical field
The utility model relates to pressurizing unit, particularly relates to metal lithium bands pressurizing unit.
Background technology
Lithium metal and alloy thereof are 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.Pressurizing unit generally comprises pressure ram, squeeze cylinder, the empty cover of gold, leads lithium plate and mold base composition, and extrusion head embeds in squeeze cylinder, pressure ram and squeeze cylinder are sealed in airtight space, and vacuum available pump vacuumizes confined space by gold empty cover.Wherein squeeze cylinder with lead lithium plate and adopt screw rod to be fixedly connected, lead on lithium plate and have a cuboid to go out lithium mouth.Adopt prior art, because squeeze pressure is very large, the long-time and lithium metal ingot in the bottom of pressure ram, lead lithium plate and offset and to extrude lithium metal ingot, pressure ram easily damages, need to change whole pressure ram, also again will seal pressure ram and gold sky cover after replacing pressure ram simultaneously.Maintenance cost is high, and maintenance man-hours is long.
Summary of the invention
The utility model completes to solve deficiency of the prior art, and the purpose of this utility model is to provide the metal lithium bands pressurizing unit that structure simply, does not need integral replacing pressure ram, saves maintenance cost, shortens maintenance time, enhances productivity.
Metal lithium bands pressurizing unit of the present utility model, comprise 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 described squeeze cylinder, 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 mould mouth, described go out lithium mouth be connected with described mould mouth, described lithium plate of leading detachably is fixedly connected with described mold base, 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, described pressure ram comprises connecting rod and extrusion head, described extrusion head is removably fixed in described connecting rod bottom, described extrusion head lower surface and described lithium plate upper surface of leading can be removed formula and offset.
Metal lithium bands pressurizing unit of the present utility model can also be:
Described extrusion head is by inserting the screw rod of described extrusion head and connecting rod and being positioned at being removably fixed on described connecting rod of described spiro rod rear end.
Described extrusion head is detachably fixed by being located at least two screw rods be threaded on described extrusion head with described 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 can be removed formula with the groove being arranged at described squeeze cylinder top and offset.
Described extrusion head is by inserting the screw rod of described extrusion head and connecting rod and being positioned at the nut that described spiro rod rear end is threaded and being removably fixed on described connecting rod.
Lead lithium plate top to be detachably fixedly connected with nut by screw rod with bottom described squeeze cylinder.
Described squeeze cylinder, described in lead at least two cover screw rods that lithium plate and described mold base established by ring and be detachably fixedly connected with the nut that screw rod is threaded.
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.
Metal lithium bands pressurizing unit of the present utility model, comprise 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 described squeeze cylinder, 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, described lithium plate of leading detachably is fixedly connected with described mold base, 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, described pressure ram comprises connecting rod and extrusion head, described extrusion head is removably fixed in described connecting rod bottom, described extrusion head lower surface and described lithium plate upper surface of leading can be removed formula and offset.Like this, in the process of producing lithium band, lithium metal ingot is put into squeeze cylinder, it is positioned at the lowermost end of squeeze cylinder, pressure ram moves down under the effect of drive unit, the vacuum (-tight) housing driving upper end to be tightly connected with it moves down, the lower end of pressure ram moves down along vertical in squeeze cylinder, when pressure ram moves to certain position, vacuum (-tight) housing bottom contacts convection current between the gas in the closed external world and squeeze cylinder with squeeze cylinder, pressure ram moves down further, and then pressure ram and squeeze cylinder are tightly connected, make to form seal cavity in squeeze cylinder, then squeeze cylinder is vacuumized, make to keep vacuum state in squeeze cylinder, then pressure ram continues to move downward, pressure ram bottom continues to move down along in squeeze cylinder, and then the lithium metal ingot of squeeze cylinder lower seal is extruded downwards, lithium metal ingot enters mould mouth from the lithium mouth that goes out of leading lithium plate under downward extruding force effect, and extruding enter assembling die after final production go out to need the metal lithium bands of specification.And pressure ram comprises connecting rod and extrusion head, extrusion head contacts with lithium metal ingot and extrusion metal lithium ingot and then produces lithium band, when lithium metal ingot be all squeezed into lead on lithium plate go out lithium mouth after, extrusion head and lead lithium plate upper surface and offset, completes lithium band production technology.After extrusion head is gradually worn down in long extrusion process, only need the extrusion head more renewed after being unloaded by extrusion head, and being tightly connected between connecting rod and vacuum (-tight) housing is connected and sealed after not needing dismounting 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, saves maintenance cost, shortens maintenance time, enhances productivity.
Accompanying drawing explanation
Fig. 1 the utility model metal lithium bands pressurizing unit embodiment partly cuts open figure.
Fig. 2 the utility model metal lithium bands pressurizing unit embodiment pressure ram schematic diagram.
Fig. 3 the utility model metal lithium bands pressurizing unit embodiment is led lithium plate and is partly cutd open figure.
Fig. 4 the utility model metal lithium bands pressurizing unit is led lithium plate and is connected top view with mold base.
Fig. 5 the utility model metal lithium bands pressurizing unit 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
Detailed description of the invention
Fig. 1 to Fig. 5 below in conjunction with accompanying drawing is described in further detail metal lithium bands pressurizing unit of the present utility model.
Metal lithium bands pressurizing unit of the present utility model, please refer to Fig. 1 to Fig. 5, comprise 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 described squeeze cylinder 4, 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 mould mouth 12, described go out lithium mouth 11 be connected with described mould mouth 12, described lithium plate 3 of leading detachably is fixedly connected with described mold base 2, 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 and described pressure ram 6 are tightly connected, described vacuum (-tight) housing 5 lower end and described squeeze cylinder 4 can be removed formula and be tightly connected, 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, 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, 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, make the space of vacuum (-tight) housing and squeeze cylinder sealing become vacuum state gradually.
Metal lithium bands pressurizing unit of the present utility model, please refer to Fig. 1 to Fig. 5, the basis of previously described technical scheme can also be: 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.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 is detachably fixed by being located at least two screw rods be threaded on described extrusion head with described connecting rod.The advantage that ring is established is each screw rod uniform force, is not easy fracture, and avoids stress raisers.
Metal lithium bands pressurizing unit of the present utility model, please refer to Fig. 1 to Fig. 5, and the basis of previously described technical scheme can be specifically: 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.
Metal lithium bands pressurizing unit of the present utility model, please refer to Fig. 1 to Fig. 5, 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.
Metal lithium bands pressurizing unit of the present utility model, please refer to Fig. 1 to Fig. 5, the basis of previously described technical scheme can also be: 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.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.Preferred technical scheme is further: described annular protrusion 9 thickness is 5-10mm, is highly 10-20mm.Such annular protrusion 9, with after the corresponding sealed grafting of annular groove 10, can ensure vacuum, can ensure again the intensity of squeeze cylinder 4 sealing place.
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. metal lithium bands pressurizing unit, it is characterized in that: comprise 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 described squeeze cylinder, 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, described lithium plate of leading detachably is fixedly connected with described mold base, 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, described pressure ram comprises connecting rod and extrusion head, described extrusion head is removably fixed in described connecting rod bottom, described extrusion head lower surface and described lithium plate upper surface of leading can be removed formula and offset.
2. metal lithium bands pressurizing unit according to claim 1, 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.
3. metal lithium bands pressurizing unit according to claim 2, is characterized in that: described extrusion head is detachably fixed by being located at least two screw rods be threaded on described extrusion head with described connecting rod.
4. the metal lithium bands pressurizing unit according to claim 1 or 2 or 3, 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.
5. the metal lithium bands pressurizing unit according to claim 1 or 2 or 3, is characterized in that: described squeeze cylinder outer wall stretches out and is provided with at least one ring stiffener.
6. the metal lithium bands pressurizing unit according to claim 1 or 2 or 3, is characterized in that: described vacuum (-tight) housing lower end is provided with sealing ring, and described sealing ring can be removed formula with the groove being arranged at described squeeze cylinder top and offset.
7. the metal lithium bands pressurizing unit according to claim 1 or 2 or 3, is characterized in that: lead lithium plate top and be detachably fixedly connected with nut by screw rod with bottom described squeeze cylinder.
8. the metal lithium bands pressurizing unit according to claim 1 or 2 or 3, is characterized in that: described squeeze cylinder, described in lead at least two cover screw rods that lithium plate and described mold base established by ring and be detachably fixedly connected with the nut that screw rod is threaded.
9. the metal lithium bands pressurizing unit according to claim 1 or 2 or 3, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184769.3U CN204564804U (en) | 2015-03-30 | 2015-03-30 | Metal lithium bands pressurizing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184769.3U CN204564804U (en) | 2015-03-30 | 2015-03-30 | Metal lithium bands pressurizing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204564804U true CN204564804U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520184769.3U Active CN204564804U (en) | 2015-03-30 | 2015-03-30 | Metal lithium bands pressurizing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204564804U (en) |
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2015
- 2015-03-30 CN CN201520184769.3U patent/CN204564804U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |