CN203944819U - Battery grid casting die - Google Patents
Battery grid casting die Download PDFInfo
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- CN203944819U CN203944819U CN201420318856.9U CN201420318856U CN203944819U CN 203944819 U CN203944819 U CN 203944819U CN 201420318856 U CN201420318856 U CN 201420318856U CN 203944819 U CN203944819 U CN 203944819U
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Abstract
The utility model relates to mould.A kind of battery grid casting die, comprise die ontology, exhaust passage and negative pressure generator that die ontology is provided with grid die cavity, the casting gate being communicated with grid die cavity, with grid die cavity, is communicated with, described negative pressure generator is provided with negative port, and described negative port links together with the port of export of described exhaust passage.When casting gate injects liquation, grid die cavity is vacuumized by vacuum generator, make the air in die cavity can not enter into liquation and form pore.The utility model provides a kind of battery grid casting die that can avoid forming in grid pore, has solved the problem that can produce pore when existing casting die is made grid.
Description
Technical field
The utility model relates to mould, relates in particular to a kind of battery grid casting die.
Background technology
Grid is for forming parts of battery.Different according to the structure of grid, adopt different moulds to make.In Chinese Patent Application No., be ZL2011101207640, within open day, be June 26 in 2013 day, be called in the patent document of " a kind of lead acid accumulator plate grid and processing mold thereof " and disclose the mould that a kind of grid that is applicable to that grid is made by composite braided thing is made.Along with advocating battery without cadmium and being internalized into production technology, lead-calcium alloy slab lattice is adopted by most battery enterprise gradually.China Patent No. be ZL201110108843X, Granted publication day are June 23 in 2013 day, in being called the patent document of " a kind of check valve control acid accumulator grid pore generate method and plate grid die ", a kind of mould that lead-calcium alloy slab lattice is cast is disclosed.
Because the die cavity of grid is that crisscross cavity forms, while adopting existing casting die to cast grid, have the following disadvantages: can produce that gas can not flow out in time and the problem (casting die in background technology can improve the formation of pore, but the formation volume of pore is still many) that produces pore; Porch at air flue can form unnecessary defective material, cause the workload of subsequent treatment defective material to strengthen; The patency of understanding generation subtend to flow between air-flow and liquid stream and affecting charging.
Utility model content
First object of the present utility model aims to provide a kind of battery grid casting die that can avoid forming in grid pore, has solved the problem that can produce pore when existing casting die is made grid.
Second object of the present utility model is intended to further to provide a kind of on the basis of the first object can not form the battery grid casting die that can not produce adverse current phenomenon between defective material, air-flow and liquid stream at air flue place, has solved existing mould and can in air flue, form defective material and the not smooth problem of charging.
Above technical problem solves by following technical proposal: a kind of battery grid casting die, comprise die ontology, exhaust passage and negative pressure generator that die ontology is provided with grid die cavity, the casting gate being communicated with grid die cavity, with grid die cavity, is communicated with, described negative pressure generator is provided with negative port, and described negative port links together with the port of export of described exhaust passage.When casting gate injects liquation, grid die cavity is vacuumized by vacuum generator, make the air in die cavity can not enter into liquation and form pore.During use, by vacuum generator, grid die cavity is vacuumized, thereby make smooth gas discharge and avoid producing pore.
As preferably, described grid die cavity comprises some grid horizontal bar die cavities and some the perpendicular muscle die cavities of grid, grid horizontal bar die cavity vertically distributes, the perpendicular muscle die cavity along continuous straight runs of grid distributes, each described grid horizontal bar die cavity is all provided with exhaust by-path, described exhaust passage is connected with described grid die cavity by described exhaust by-path, and described exhaust by-path is provided with air filter piece.In each template horizontal bar die cavity, exhaust by-path is all set and carries out exhaust, can not produce flow direction (being liquid flow path direction) the mobile phenomenon of subtend of airflow direction and liquation, patency when liquation flows is good, can not produce lines at cast(ing) surface.Air filter piece is set and carries out exhaust, air filter piece plays and prevents that liquid stream from flowing into the effect that forms defective material in exhaust by-path.Realized second goal of the invention.
As preferably, described grid horizontal bar die cavity is inclined, and it is high-end that described exhaust by-path is arranged on grid horizontal bar, and described exhaust by-path is also provided with and is positioned at the give vent to anger motor-driven valve of side of air filter piece, and the low side of each described grid horizontal bar die cavity is all provided with temperature sensor; Be arranged in described temperature sensor and the motor-driven valve of same grid horizontal bar passage, when temperature sensor senses rises to design temperature to temperature, motor-driven valve is opened; Between two adjacent batten sieve horizontal bar die cavities, the low side that is positioned at the plate sieve horizontal bar die cavity of top sieves the high-end of horizontal bar die cavity lower than the plate that is positioned at below.Can make air-flow is the same with the direction of liquid stream, patency when further raising liquid stream flows, while making negative pressure value low, can not produce pore yet, thereby shorten the effect consuming time of whole casting process without first vacuumizing, playing before casting, be conducive to improve and water efficiency.
The utility model also comprises tailing release mechanism, and described tailing release mechanism comprises and is movably connected on the flashboard of die ontology and drives flashboard to move between casting gate and grid die cavity and driving mechanism that casting gate and grid die cavity are kept apart.After the casting of grid die cavity is full, driving mechanism drives flashboard to isolate between die cavity and sprue gate, the liquation that is arranged in casting gate can be curing together with the liquation of die cavity, thereby the defective material forming in casting gate after die sinking is separated, the convenience while having passed through to remove defective material with grid.
As preferably, described casting gate is docking together with the high-order bit of grid die cavity, described tailing release mechanism also comprise alignment pin and by alignment pin float to flashboard is fixed on opening ball float, described ball float is positioned at described exhaust passage.When die cavity is with exhaust passage during in connected state, exhaust passage is a non-confined space, although the buoyancy that the air that the air in the phase is this density of negative pressure produces ball float alignment pin can be held up, thereby make flashboard in opening.When being cast to all exhaust by-paths and often closing (grid die cavity has been cast full), exhaust passage is called a seal cavity, vacuum generator makes the gas flow in exhaust passage reduce rapidly (being also that density reduces), when density is reduced to buoyancy and alignment pin can not be held up, alignment pin is under Action of Gravity Field and decline and lose the fixation to flashboard, and driving mechanism closes up flashboard and keeps apart sprue gate and die cavity.Flashboard in the time of can automatically closing after die cavity casting is full.
As preferably, described flashboard is provided with cutting edge.Can reduce the resistance while closing up flashboard.
As preferably, described negative pressure generator is also provided with high pressure port, and described high pressure port is provided with pressure regulator valve.Can form negative pressure by compressed air, convenience during use is good.
The utlity model has following advantage: vacuum generator is set, and the patency in the time of can improving grid exhaust and the mobility of plumbous liquid, make to be difficult at ordinary times the special-shaped grid cast molding smoothly of casting, improved production efficiency; Can not produce grid pore phenomenon; Increased the corrosion resistant performance of grid; The raw crackle of the grid that thin, the intercrystalline interlayer of grid internal crystallization particle that casts out is thin, grid internal structure is closely knit, cast out, shrinkage cavity, rib shaping inequality or phenomenon of rupture, grid thickness high conformity, deviation of weight are little, thereby have improved the yield rate of grid.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
The local enlarged diagram at the A place of Fig. 2 Fig. 1.
The local enlarged diagram at the B place of Fig. 3 Fig. 1.
Fig. 4 is use view of the present utility model.
The local enlarged diagram at the C place of Fig. 5 Fig. 4.
In figure: die ontology 1, grid die cavity 2, grid horizontal bar die cavity 21, high-end 211 of grid horizontal bar die cavity, the low side 212 of grid horizontal bar die cavity, grid erects muscle die cavity 22, casting gate 3, exhaust passage 4, exhaust by-path 41, air filter piece 42, motor-driven valve 43, negative pressure generator 5, negative port 51, high pressure port 52, outer tube 53, inner tube 54, negative pressure cavity 55, gas outlet 56, elastic packing cover 57, tailing release mechanism 6, flashboard 61, draw-in groove 611, cutting edge 612, driving mechanism 62, alignment pin 63, ball float 64, temperature sensor 7, pressure regulator valve 8.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Referring to Fig. 1, a kind of battery grid casting die, comprises die ontology 1, negative pressure generator 5, tailing release mechanism 6 and control module (not drawing in figure).
Die ontology 1 is provided with grid die cavity 2, casting gate 3 and exhaust passage 4.Grid die cavity 2 comprises 6 grid horizontal bar die cavities 21 and 4 perpendicular muscle die cavities 22 of grid.The perpendicular muscle die cavity 22 of grid horizontal bar die cavity 21 and 4 grids is arranged in a crossed manner and be interconnected.Perpendicular muscle die cavity 22 along continuous straight runs of grid distribute.Grid horizontal bar die cavity 21 vertically distributes.Grid horizontal bar die cavity 21 is inclined.Between two adjacent batten sieve horizontal bar die cavities, the low side that is positioned at the plate sieve horizontal bar die cavity of top sieves the high-end of horizontal bar die cavity lower than the plate that is positioned at below.The low side 212 that high-end 211 of the grid horizontal bar die cavity of each grid horizontal bar die cavity 21 is all provided with exhaust by-path 41, grid horizontal bar die cavity is all provided with temperature sensor 7.Exhaust by-path 41 is provided with air filter piece 42 and motor-driven valve 43.Air filter piece 42 is positioned at the arrival end of exhaust by-path 41.Motor-driven valve 43 is positioned at air filter piece 42 side of giving vent to anger.Grid die cavity 2 is only connected with exhaust passage 4 by exhaust by-path 41.Casting gate 3 is docking together with the high-order bit of grid die cavity 2.
Negative pressure generator 5 is provided with negative port 51 and high pressure port 52.Negative port 51 links together with the port of export of exhaust passage 4.
Tailing release mechanism 6 comprises flashboard 61.Flashboard 61 and grid horizontal bar die cavity 21 tilt with identical angle and direction.
Referring to Fig. 2, tailing release mechanism 6 also comprises driving mechanism 62, alignment pin 63 and ball float 64.Flashboard 61 is located in die ontology 1 slidably.Flashboard 61 is provided with cutting edge 612.The lower surface of flashboard 61 is provided with draw-in groove 611.Driving mechanism 62 is Compress Spring.Alignment pin 63 is located in die ontology 1 along the vertical direction slidably.The upper end of alignment pin 63 is inserted in draw-in groove 611, and now the spring of driving mechanism 62 is in energy storage state, and flashboard 61 is not isolated between sprue gate 3 and die cavity 2.Ball float 64 floats in exhaust passage 4 and is supported on the lower end of alignment pin 63.Negative pressure in exhaust passage 4 is that 0.005 MPa is when above, the buoyancy that gas in exhaust passage 4 produces ball float 64 can float alignment pin 63 otherwise alignment pin 64 can drop out under the effect of gravity from draw-in groove 611, and this value can change by changing the size of ball float according to the requirement of negative pressure.
Referring to Fig. 3, negative pressure generator 5 comprises outer tube 53 and inner tube 54.The formation gas outlet, one end 56 of outer tube 53, the other end form negative port 51.One end of inner tube 54 be located in outer tube 53 and opening towards gas outlet 56.One end that inner tube 54 is positioned at outside outer tube forms high pressure port 52.Between inner tube 54 and outer tube 53, form negative pressure cavity 55.One end of negative pressure cavity 55 with negative port 51 be connected together, the other end is communicated with gas outlet 56.Negative port 51 is threaded togather with the port of export of exhaust passage 4.Outer tube 53 is provided with elastic packing cover 57.57 sealings of elastic packing cover are connected on the outer surface of die ontology 1, when this lifting can make exhaust hole 4 larger with the pressure reduction of die ontology 1 outside, the sealing of the junction of negative pressure generator and exhaust passage is better, thereby play, prevent that pressure reduction is excessive and produce poor sealing, cause negative pressure value can not drop to the effect of angle value.High pressure port 52 is provided with pressure regulator valve 8.
During use, referring to Fig. 4, the liquation of making grid is poured in grid die cavity 2 through sprue gate 3, in the process of casting, from high pressure port 52, access compressed air, negative pressure generator 5 makes the grid die cavity 2 in grid gravity casting die form negative pressure, by regulating pressure regulator valve 8 to make the negative pressure value in die cavity 2, is 0.005～0.05 MPa.During original state, all motor-driven valves 7 all cut out, when the liquation that is poured into arrives the grid horizontal bar die cavity of below and temperature detected by the temperature sensor in this grid die cavity and reach setting value (setting value is 400 ℃, only have the position temperature that the liquation of 490～510 ℃ covers just can rise to more than 400 ℃, radiation is not reach this temperature), the temperature sensor that is arranged in the grid horizontal bar die cavity of below by signal feedback to control module, control module makes to open with the motor-driven valve 43 in the exhaust by-path 41 of the grid horizontal bar die cavity docking of below, rising along with liquation liquid level, the temperature sensor that is arranged in the grid horizontal bar die cavity of inferior below detects temperature and reaches setting value, control module is opened the motor-driven valve in the exhaust by-path of grid horizontal bar die cavity docking of homogeneous below accordingly, then the air filter piece of below is plugged.The like, temperature sensor senses that with order from bottom to top temperature reaches setting value and impels control module that motor-driven valve is opened successively with order from bottom to top successively.After 2 of die cavities are all cast completely, vacuum generator 5 is just only bled and the gas in exhaust passage is weakened the exhaust passage 4 in sealing state.
Referring to Fig. 5, when dropping to lower than 0.005 MPa, the buoyancy that ball float 64 produces is not enough to alignment pin 63 to float, and alignment pin 63 declines and from draw-in groove 611, deviates from and lose the fixation to flashboard 61 under the effect of gravity.Driving mechanism 62 releases energy and drives flashboard 61 to move between casting gate 3 and grid die cavity 2 and casting gate 3 and grid die cavity 2 are kept apart.Make after die sinking, the defective material that the formed grid of grid die cavity 2 is located in tapping hole 3 disconnects.
Claims (7)
1. a battery grid casting die, comprise die ontology, the exhaust passage that die ontology is provided with grid die cavity, the casting gate being communicated with grid die cavity and is communicated with grid die cavity, it is characterized in that, also comprise negative pressure generator, described negative pressure generator is provided with negative port, and described negative port links together with the port of export of described exhaust passage.
2. battery grid casting die according to claim 1, it is characterized in that, described grid die cavity comprises some grid horizontal bar die cavities and some the perpendicular muscle die cavities of grid, grid horizontal bar die cavity vertically distributes, the perpendicular muscle die cavity along continuous straight runs of grid distributes, each described grid horizontal bar die cavity is all provided with exhaust by-path, and described exhaust passage is connected with described grid die cavity by described exhaust by-path, and described exhaust by-path is provided with air filter piece.
3. battery grid casting die according to claim 2, it is characterized in that, described grid horizontal bar die cavity is inclined, it is high-end that described exhaust by-path is arranged on grid horizontal bar, described exhaust by-path is also provided with and is positioned at the give vent to anger motor-driven valve of side of air filter piece, and the low side of each described grid horizontal bar die cavity is all provided with temperature sensor; Be arranged in described temperature sensor and the motor-driven valve of same grid horizontal bar passage, when temperature sensor senses rises to design temperature to temperature, motor-driven valve is opened; Between two adjacent batten sieve horizontal bar die cavities, the low side that is positioned at the plate sieve horizontal bar die cavity of top sieves the high-end of horizontal bar die cavity lower than the plate that is positioned at below.
4. battery grid casting die according to claim 3, it is characterized in that, also comprise tailing release mechanism, described tailing release mechanism comprises and is movably connected on the flashboard of die ontology and drives flashboard to move between casting gate and grid die cavity and driving mechanism that casting gate and grid die cavity are kept apart.
5. battery grid casting die according to claim 4, it is characterized in that, described casting gate is docking together with the high-order bit of grid die cavity, described tailing release mechanism also comprise alignment pin and by alignment pin float to flashboard is fixed on opening ball float, described ball float is positioned at described exhaust passage.
6. according to the battery grid casting die described in claim 4 or 5, it is characterized in that, described flashboard is provided with cutting edge.
7. according to the battery grid casting die described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that, described negative pressure generator is also provided with high pressure port, and described high pressure port is provided with pressure regulator valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318856.9U CN203944819U (en) | 2014-06-16 | 2014-06-16 | Battery grid casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318856.9U CN203944819U (en) | 2014-06-16 | 2014-06-16 | Battery grid casting die |
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| Publication Number | Publication Date |
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| CN203944819U true CN203944819U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420318856.9U Active CN203944819U (en) | 2014-06-16 | 2014-06-16 | Battery grid casting die |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955994A (en) * | 2017-05-19 | 2017-07-18 | 河南科技大学 | The temperature control type staged pouring procedure and staged apparatus for pouring of casting |
| CN107627669A (en) * | 2017-09-04 | 2018-01-26 | 芜湖润林包装材料有限公司 | Honeycomb board backing box blank board clamp |
| CN111872359A (en) * | 2020-08-03 | 2020-11-03 | 江苏旭信机械制造有限公司 | Equal-stress auxiliary cooling pouring device for deformation-resistant casting parts |
-
2014
- 2014-06-16 CN CN201420318856.9U patent/CN203944819U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955994A (en) * | 2017-05-19 | 2017-07-18 | 河南科技大学 | The temperature control type staged pouring procedure and staged apparatus for pouring of casting |
| CN106955994B (en) * | 2017-05-19 | 2019-02-26 | 河南科技大学 | The temperature control type staged pouring procedure and staged casting device of casting |
| CN107627669A (en) * | 2017-09-04 | 2018-01-26 | 芜湖润林包装材料有限公司 | Honeycomb board backing box blank board clamp |
| CN111872359A (en) * | 2020-08-03 | 2020-11-03 | 江苏旭信机械制造有限公司 | Equal-stress auxiliary cooling pouring device for deformation-resistant casting parts |
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| C14 | Grant of patent or utility model | ||
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