CN114226686B - Mold core on low pressure mould and low pressure mould thereof - Google Patents
Mold core on low pressure mould and low pressure mould thereof Download PDFInfo
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- CN114226686B CN114226686B CN202111532224.3A CN202111532224A CN114226686B CN 114226686 B CN114226686 B CN 114226686B CN 202111532224 A CN202111532224 A CN 202111532224A CN 114226686 B CN114226686 B CN 114226686B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides an upper mold core of a low-pressure mold and the low-pressure mold thereof, wherein a cooling liquid is filled between a cavity enclosed by an open box body and an elastic sealing gasket, a refrigerating sheet is embedded in one side of a transverse plate close to the elastic sealing gasket, and a first connecting rope is connected to the transverse plate; one end of the first connecting rope, which is far away from the transverse plate, is fixedly arranged on the stop block, and the bottom of the third spring is connected with a demoulding rod; the clamp plate can reciprocate to the buckle is fixed in the below of uncovered formula box body, the top of recess is provided with the refrigeration piece and closes the button, when the stripper bar descends, can outwards release the cleaning brush through transmission structure, and then cleans the exit end of flexible pipe and prevents stifled. The invention provides an upper mold core of a low-pressure mold and the low-pressure mold thereof, which are internally provided with cooling liquid, can be repeatedly used, are more convenient, can automatically jack up for demolding after cooling is finished, and can automatically clean and prevent blockage, have better use effect and are very worthy of popularization.
Description
Technical Field
The invention relates to the technical field of low-pressure dies, in particular to an upper die core of a low-pressure die and the low-pressure die thereof.
Background
In the prior art, the water-cooling upper mold core with the publication number of "CN108941510A", concretely relates to the technical field of casting molds, including an annular upper mold core body, a water-cooling mechanism and a plurality of air holes, the water-cooling mechanism includes a plurality of inverted V-shaped tube sets communicated end to end, the inverted V-shaped tube sets include a first water-cooling groove and a second water-cooling groove of a strip shape arranged on the sidewall of the upper mold core body, the bottom end of the first water-cooling groove intersects with the bottom end of the second water-cooling groove, the open end of the first water-cooling groove of the inverted V-shaped tube set intersects with the open end of the second water-cooling groove of the adjacent inverted V-shaped tube set, the intersecting channels of the plurality of first water-cooling grooves and the plurality of second water-cooling grooves form a polygon, the upper mold core body is provided with a water inlet communicated with the second water-cooling grooves, the water inlet is fixed with a water inlet pipe, the upper mold core body is further provided with a water outlet communicated with the first water-cooling groove, the water outlet is fixed with the water outlet pipe at the water outlet, the opening of the first water-cooling groove and the second water-cooling groove are both filled with a welding block portion, the water-cooling upper mold core body has the advantages of being not easy to crack, and good in water-cooling effect.
However, the method still has the obvious defects in the using process: 1. the device cools the upper die core by introducing cold water from the water inlet pipe, so that cooling water needs to be continuously introduced and discharged when the device is used, the water consumption is high, in addition, an additional device is needed for storing cold water before use and hot water after use, the equipment is complicated, and the whole occupied space is large; 2. after cooling, the film needs to be removed, and when the device is used, the user cannot know when the cooling is finished, and the mold removal also needs manual assistance, so that the use is inconvenient.
Disclosure of Invention
The invention aims to provide an upper mold core of a low-pressure mold and the low-pressure mold thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a low-pressure mold upper mold core comprising:
the cooling device comprises a main die, wherein a middle cavity, a side cavity, a transverse cavity, an accommodating cavity and a groove are formed in the main die, an open type box body is fixedly arranged on the inner wall of the middle cavity, an elastic sealing gasket is arranged at the top of the open type box body, cooling liquid is filled between cavities enclosed by the open type box body and the elastic sealing gasket, a first spring is connected and arranged on the top wall of the middle cavity, a transverse plate is connected and arranged at the bottom of the first spring, a refrigerating piece is embedded in one side, close to the elastic sealing gasket, of the transverse plate, and a first connecting rope is connected and arranged on the transverse plate;
the stop block is movably arranged in the transverse cavity, one end, far away from the transverse plate, of the first connecting rope is fixedly arranged on the stop block, an outlet is formed in the bottom, close to the transverse cavity, of the main die, a second spring is connected between the stop block and the inner wall of the transverse cavity, one end, far away from the second spring, of the stop block can be fixed in the transverse cavity in a buckling mode, a third spring is connected to the top of the accommodating cavity, and a demolding rod is connected to the bottom of the third spring;
the liquid injection channel is symmetrically arranged on the main mold, the bottom of the liquid injection channel is communicated with an elastic telescopic pipe, the bottom of the elastic telescopic pipe is embedded in a pressing plate, the pressing plate can move up and down and is fixed below the open type box body in a buckled mode, a refrigerating sheet closing button is arranged at the top of the groove, and the pressing plate can trigger the refrigerating sheet closing button through a buckled structure when moving up, so that a power supply of the refrigerating sheet is closed; and
the cleaning brush is arranged in the side cavity, and when the demoulding rod descends, the cleaning brush can be pushed out through the transmission structure, so that the outlet end of the elastic telescopic pipe is cleaned and prevented from blocking.
Preferably, the surface of the barrier block is fixedly provided with an anti-skid convex strip.
Preferably, the end, far away from the second spring, of each blocking block is fixedly provided with an extension rod, the extension rod is fixedly provided with a first protruding portion, the inner side wall of the transverse cavity is fixedly provided with a positioning frame, a second protruding portion is fixedly arranged in the positioning frame, and the second protruding portion can limit and fix the first protruding portion.
Preferably, the diameter of the knockout pin and the diameter of the outlet are equal, and the length of the stop is greater than the diameter of the outlet.
Preferably, a clamping rod is fixedly arranged above the pressing plate, a third protruding portion is fixedly arranged on the clamping rod, a fourth protruding portion is fixedly arranged on the inner wall of the groove, and the fourth protruding portion can limit and fix the third protruding portion.
Preferably, the transmission structure includes the fixed block, the fixed block symmetry sets up in the side chamber, it is provided with the fourth spring to connect on the fixed block, the fourth spring is kept away from one side connection of fixed block and is provided with the push pedal, the fixed loading board that is provided with in the push pedal, be provided with the cleaning brush on the loading board, be provided with the rack in the side chamber, it links to each other through the second connecting rope to draw between stripper rod and the rack, articulated upper rotating rod and the lower rotating rod of being provided with in the side chamber, fixed cover is equipped with gear and first drive wheel on the upper rotating rod, the rack can drive the gear rotation when removing, fixed second drive wheel and the initiative bevel gear of being provided with on the lower rotating rod, first drive wheel and second drive wheel all set up in the drive belt, the articulated transfer line that is provided with in the side chamber, the fixed driven bevel gear that is provided with of one end of transfer line, driven bevel gear can be engaged with the transmission by the initiative bevel gear, the fixed cam that is provided with in bottom of transfer line, the cam can intermittently promote the push pedal when rotatory.
Preferably, the upper rotating rod is hinged in a first bearing seat, the lower rotating rod is hinged in a second bearing seat, and the first bearing seat and the second bearing seat are both fixedly arranged in the side cavity.
Preferably, the transmission rod is hinged and penetrates through the positioning rod, and the positioning rod is fixedly arranged in the side cavity.
A low-pressure die comprises the upper die core of the low-pressure die.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the cooling liquid is filled between the cavity surrounded by the open box body and the elastic sealing gasket, and is frozen by the refrigerating sheet, so that the mold can be rapidly cooled, the cooling liquid can be recycled, the water consumption is reduced, the traditional equipment for introducing and discharging cooling water is not needed, the overall structure is more simplified, and the occupied area is smaller;
2. the invention uses the cooling water which is frozen into ice blocks to cool, when the ice blocks are melted, the volume is reduced, so that the demoulding rod is ejected outwards after losing the blocking of the blocking block, and the main mould is ejected to automatically demould, therefore, a user does not need to remember the cooling time and manually demould after the preset cooling time is over, and the convenience is improved;
3. in the process of demoulding after cooling, the cleaning brush can be ejected outwards, so that the outlet end of the elastic extension tube is cleaned, the outlet is prevented from being blocked, subsequent use is smoother, additional manual operation is not needed, additional time is not delayed, and the device is more efficient.
The invention provides an upper mold core of a low-pressure mold and the low-pressure mold thereof, which are internally provided with cooling liquid, can be repeatedly used, are more convenient, can automatically jack up for demolding after cooling is finished, and can automatically clean and prevent blockage, have better use effect and are very worthy of popularization.
Drawings
FIG. 1 is a schematic front sectional view of the monolithic structure of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of the invention at B in FIG. 1;
fig. 4 is an enlarged view of the present invention at C in fig. 1.
In the figure: 1 main die, 101 middle cavity, 102 side cavity, 103 transverse cavity, 1031 outlet, 104 accommodating cavity, 105 groove, 2 open box body, 3 elastic sealing gasket, 4 first spring, 5 transverse plate, 6 refrigerating sheet, 7 first connecting rope, 8 blocking block, 801 anti-skid convex strip, 9 second spring, 10 extending rod, 11 first convex part, 12 positioning frame, 13 second convex part, 14 third spring, 15 demoulding rod, 16 liquid filling channel, 17 elastic telescopic tube, 18 pressing plate, 19 clamping rod, 20 third convex part, 21 refrigerating sheet closing button, 22 fourth convex part, 23 fixing block, 24 fourth spring, 25 push plate, 26 bearing plate, 27 cleaning brush, 28 second connecting rope, 29 rack, 30 upper rotating rod, 31 lower rotating rod, 32 first bearing seat, 33 second bearing seat, 34 gear, 35 first transmission wheel, 36 second transmission wheel, 37 transmission belt, 38 driving bevel gear, 39 transmission rod, 40 cam, 41 driven bevel gear, 42 cam.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution:
the first embodiment is as follows:
a low pressure mold upper core comprising:
the main die 1 is provided with an intermediate cavity 101, side cavities 102, a transverse cavity 103, an accommodating cavity 104 and a groove 105, the number of the intermediate cavity 101 is only one, the number of the side cavities 102, the transverse cavity 103, the accommodating cavity 104 and the groove 105 are two, and the two cavities are symmetrically arranged on two sides of the intermediate cavity 101, an open-type box body 2 is fixedly arranged on the inner wall of the intermediate cavity 101, the open-type box body 2 is made of a material with good heat conductivity, such as aluminum alloy, pure copper and the like, an elastic sealing gasket 3 is arranged on the top of the open-type box body 2, the elastic sealing gasket 3 has good ductility, such as heat conductive rubber and the like, cooling liquid is filled between cavities enclosed by the open-type box body 2 and the elastic sealing gasket 3, the cooling liquid is a liquid which increases in volume when frozen and reduces in volume after ice cubes are melted, for example, in the embodiment, the cooling liquid can be water directly selected, the common and easily available and low-cost structure is characterized in that a first spring 4 is connected and arranged on the top wall of the middle cavity 101, a transverse plate 5 is connected and arranged at the bottom of the first spring 4, in an initial state, the first spring 4 is in a compressed state and always has an outward driving force on the transverse plate 5, so that the transverse plate 5 is tightly attached to the elastic sealing gasket 3, the internal cooling liquid is in a filling state, a refrigerating plate 6 is embedded in one side, close to the elastic sealing gasket 3, of the transverse plate 5, the refrigerating plate 6 has a refrigerating and cooling effect and can refrigerate the cooling liquid into ice blocks, the refrigerating plate 6 can select a TC07-17 model produced by Shenzhen and Youkou technology Limited, or other suitable products, a first connecting rope 7 is connected and arranged on the transverse plate 5, the first connecting rope 7 is an inelastic rope and is in a stretched state initially;
a blocking block 8, an anti-slip protruding strip 801 is fixedly arranged on the surface of the blocking block 8, the anti-slip protruding strip 801 is arranged to enable a user not to slip when pushing the blocking block 8, the blocking block 8 is movably arranged in the transverse cavity 103, therefore, the blocking block 8 can slide transversely in the transverse cavity 103, one end of the first connecting rope 7 far away from the transverse plate 5 is fixedly arranged on the blocking block 8, an outlet 1031 is arranged at the bottom of the main die 1 close to the transverse cavity 103, a second spring 9 is connected between the blocking block 8 and the inner wall of the transverse cavity 103, one end of the blocking block 8 far away from the second spring 9 can be fixed in the transverse cavity 103 in a buckling mode, but the buckling mode can be released under the pulling of an external force, a third spring 14 is connected to the top of the accommodating cavity 104, a demoulding rod 15 is connected to the bottom of the third spring 14, in an initial state, the third spring 14 also belongs to a compressed state, therefore, an outward pushing force exists on the demoulding rod 15, but the blocking demoulding rod 15 can be pushed by the 1031 of the blocking block 8 to keep relatively stable, the diameter of the limiting rod 15 is larger than the diameter of the outlet 1031, and the diameter of the demoulding rod 15 can not be larger than the outlet, therefore, the diameter of the outlet 15 can not be pushed out from the outlet 1031, and the outlet can not fall smoothly, and the outlet can be pushed out from the outlet, and the outlet 15, and the outlet 1031, and the outlet can not fall out smoothly;
the liquid injection channels 16 are symmetrically arranged on the main mold 1, the bottom of each liquid injection channel 16 is communicated with an elastic telescopic pipe 17, each elastic telescopic pipe 17 can be a telescopic pipe body such as a corrugated pipe, the bottom of each elastic telescopic pipe 17 is embedded in a pressing plate 18, each pressing plate 18 can move up and down and is fixed below the open type box body 2 in a buckling mode, a refrigerating sheet closing button 21 is arranged at the top of each groove 105, and the refrigerating sheet closing button 21 can be triggered through a buckling structure when the pressing plates 18 move up, so that the power supply of the refrigerating sheet 6 is closed; and
the cleaning brush 27 and the cleaning brush 27 are arranged in the side cavity 102, and when the demolding rod 15 descends, the cleaning brush 27 can be pushed out through a transmission structure, so that the outlet end of the elastic extension tube 17 is cleaned and prevented from being blocked, and the elastic extension tube 17 is smoother in the subsequent discharging process.
The working principle is as follows: before injecting into the raw materials, can start refrigeration piece 6 for refrigeration piece 6 conducts heat through the elastic sealing pad 3, cools down the coolant liquid of packing between the cavity that becomes with uncovered formula box body 2 and elastic sealing pad 3 enclosure, freezes into ice until with the coolant liquid. At this time, after the coolant, such as water, becomes ice, the volume increases, and then the horizontal plate 5 is lifted upwards, so that the first spring 4 is further compressed, and at this time, the first connecting rope 7 connected to the horizontal plate 5 moves along with it, so that the first connecting rope 7 is loosened, and therefore, the position of the blocking block 8 can move, and at this time, the stripper rod 15 is pressed inwards, and then the blocking block 8 is pushed manually, so that the blocking block 8 is buckled in the transverse cavity 103, and thus the stripper rod 15 is accommodated.
Then, the main die 1 descends, raw materials are injected through the liquid injection channel 16 on the main die 1, the raw materials flow out through the elastic extension tube 17 until a gap between the pressing plate 18 and the lower die below the main die 1 is filled, the gap is a cavity, meanwhile, the pressing plate 18 is limited by the lower die and can passively move upwards, and then the cooling plate closing button 21 is triggered through the buckle structure, so that the power supply of the cooling plate 6 is closed, the cooling liquid is frozen at the moment, and useless power consumption is avoided.
Then, the ice-block-shaped cooling liquid cools the workpiece through the open box body 2 and the pressing plate 18 with good heat conductivity, along with the cooling, the cooling liquid gradually becomes water from ice, the volume is reduced, therefore, the originally jacked elastic sealing gasket 3 also gradually descends and contracts, the first spring 4 further pushes the transverse plate 5 downwards at the moment, the blocking block 8 is pulled to one side close to the second spring 9, the demoulding rod 15 loses the blocking limit of the blocking block 8 at the moment and penetrates out of the outlet 1031, and the main die 1 is jacked upwards, so that the cooling is finished at the moment, the automatic demoulding can be realized, and the labor is effectively saved; further, in the process that the demolding rod 15 moves downwards, the rack 29 is pulled through the second connecting rope 28, the rack 29 is meshed after a certain distance is lifted, the gear 34 is driven to rotate, the gear 34 drives the first driving wheel 35 to rotate through the upper rotating rod 30, the first driving wheel 35 drives the second driving wheel 36 to rotate through the driving belt 37, the second driving wheel 36 drives the driving bevel gear 38 to rotate through the lower rotating rod 31, the driving bevel gear 38 finally drives the driving rod 39 to rotate through the driven bevel gear 41, so that the cam 42 on the driving rod 39 continuously rotates, the push plate 25 is intermittently pushed, the fourth spring 24 is intermittently compressed, the push plate 25 intermittently pushes the cleaning brush 27 outwards through the bearing plate 26, the outlet end of the elastic extension tube 17 is cleaned and prevented from being blocked, the elastic extension tube 17 is smoother in the subsequent discharging process, the operation is not required to be performed manually, extra processing time is not required, and the use is more convenient, time-saving and labor-saving.
The second embodiment:
in this embodiment, based on the first embodiment, the structure that "one end of the blocking block 8 away from the second spring 9 can be snapped and fixed in the transverse cavity 103" is further specifically defined: the fixed extension rod 10 that is provided with of one end that keeps away from second spring 9 of stopper 8, the fixed first bellying 11 that is provided with on the extension rod 10, the fixed posting 12 that is provided with on the inside wall of horizontal chamber 103, the fixed second bellying 13 that is provided with in the posting 12, second bellying 13 can carry out spacing fixed to first bellying 11, when using, can promote stopper 8 to the direction that is close to posting 12, when first bellying 11 on the extension rod 10 receives spacing of second bellying 13 in the posting 12, stopper 8 this moment has just been lived relatively fixed.
Example three:
in this embodiment, based on the first embodiment, a snap structure that "the pressing plate 18 can move up and down and is snapped and fixed under the open-type box 2" is further specifically defined: the fixed kelly 19 that is provided with in top of clamp plate 18, the fixed third bellying 20 that is provided with on kelly 19, the fixed fourth bellying 22 that is provided with on the inner wall of recess 105, fourth bellying 22 can carry out spacing fixed to third bellying 20, when using, with the whole reduction of master die 1, clamp plate 18 can receive the restriction of the lower mold core of below, and then the passive upwards promotes, make clamp plate 18 top kelly 19 insert to recess 105, until third bellying 20 receives the spacing of fourth bellying 22, clamp plate 18 at this moment has just been fixed in the below of open type box body 2 to the buckle.
Example four:
on the basis of the first embodiment, the present embodiment further defines and discloses specific components of the transmission structure: the transmission structure comprises a fixed block 23, the fixed block 23 is symmetrically arranged in a side cavity 102, a fourth spring 24 is connected on the fixed block 23, a push plate 25 is connected on one side of the fourth spring 24 far away from the fixed block 23, a bearing plate 26 is fixedly arranged on the push plate 25, a cleaning brush 27 is arranged on the bearing plate 26, the cleaning brush 27 is used for cleaning and blocking the outlet end of the elastic extension tube 17, so that the elastic extension tube 17 is smoother in the subsequent discharging process, a rack 29 is arranged in the side cavity 102, the demoulding rod 15 and the rack 29 are connected through a second connecting rope 28, the second connecting rope 28 is an inelastic rope and is in a stretched state initially, so that the transmission structure can play a good transmission effect, an upper rotating rod 30 and a lower rotating rod 31 are hinged in the side cavity 102, specifically, the upper rotating rod 30 is hinged in a first bearing seat 32, the lower rotating rod 31 is hinged in a second bearing seat 33, the first bearing seat 32 and the second bearing seat 33 are fixedly arranged in the side cavity 102, the first bearing seat 32 and the second bearing seat 33 play a role of movable support, the upper rotating rod 30 is fixedly sleeved with a gear 34 and a first driving wheel 35, the gear 34 can be driven to rotate by the rack 29 when moving, in an initial state, the rack 29 is positioned below the gear 34 and can be arranged at a certain distance, therefore, when the rack 29 moves upwards, the gear 34 is driven to rotate after a certain time interval, the cleaning brush 27 is pushed out, the pressure plate 18 at the moment rises for a certain distance, so that the phenomenon of jamming cannot occur, the lower rotating rod 31 is fixedly provided with a second driving wheel 36 and a driving bevel gear 38, the first driving wheel 35 and the second driving wheel 36 are arranged in the driving belt 37, and the first driving wheel 35, the second driving wheel 36 and the driving belt 37 are all arranged in an anti-slip manner, the side cavity 102 is hinged with the transmission rod 39, the transmission rod 39 is hinged and penetrates through the positioning rod 40, the hinged structure can be a circular ring bearing, the positioning rod 40 is fixedly arranged in the side cavity 102, one end of the transmission rod 39 is fixedly provided with the driven bevel gear 41, the driven bevel gear 41 can be meshed and driven by the driving bevel gear 38, the bottom of the transmission rod 39 is fixedly provided with the cam 42, the cam 42 can intermittently push the push plate 25 when rotating, therefore, the push plate 25 can intermittently push the cleaning brush 27 outwards through the bearing plate 26, the outlet end of the elastic extension tube 17 is further scrubbed and cleaned repeatedly, blockage is avoided, discharging is smoother, and the using effect is better.
A low-pressure die comprises the upper die core of the low-pressure die.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A low pressure mold upper core, comprising:
the cooling device comprises a main die (1), wherein a middle cavity (101), a side cavity (102), a transverse cavity (103), an accommodating cavity (104) and a groove (105) are formed in the main die (1), an open type box body (2) is fixedly arranged on the inner wall of the middle cavity (101), an elastic sealing gasket (3) is arranged at the top of the open type box body (2), cooling liquid is filled between cavities enclosed by the open type box body (2) and the elastic sealing gasket (3), a first spring (4) is connected and arranged on the top wall of the middle cavity (101), a transverse plate (5) is connected and arranged at the bottom of the first spring (4), a refrigerating sheet (6) is embedded in one side, close to the elastic sealing gasket (3), of the transverse plate (5), and a first connecting rope (7) is connected and arranged on the transverse plate (5);
the blocking block (8) is movably arranged in the transverse cavity (103), one end, far away from the transverse plate (5), of the first connecting rope (7) is fixedly arranged on the blocking block (8), the bottom, close to the transverse cavity (103), of the main die (1) is provided with an outlet (1031), a second spring (9) is connected and arranged between the blocking block (8) and the inner wall of the transverse cavity (103), one end, far away from the second spring (9), of the blocking block (8) can be fixed in the transverse cavity (103) in a buckling mode, the top of the accommodating cavity (104) is connected and provided with a third spring (14), and the bottom of the third spring (14) is connected and provided with a demolding rod (15);
the liquid injection device comprises liquid injection channels (16), wherein the liquid injection channels (16) are symmetrically arranged on a main die (1), the bottoms of the liquid injection channels (16) are communicated with elastic telescopic pipes (17), the bottoms of the elastic telescopic pipes (17) are embedded in pressing plates (18), the pressing plates (18) can move up and down and are fixed below an open type box body (2) in a buckling mode, a refrigerating sheet closing button (21) is arranged at the top of each groove (105), and the pressing plates (18) can trigger a refrigerating sheet closing button (21) through buckling structures when moving up to enable a power supply of a refrigerating sheet (6) to be closed; and
and the cleaning brush (27) is arranged in the side cavity (102), and when the demolding rod (15) descends, the cleaning brush (27) can be pushed out through a transmission structure, so that the outlet end of the elastic extension tube (17) is cleaned and prevented from blocking.
2. The low pressure mold upper core of claim 1, wherein: the surface of the stop block (8) is fixedly provided with an anti-skid convex strip (801).
3. The low pressure mold upper core of claim 1, wherein: the fixed extension rod (10) that is provided with of one end of keeping away from second spring (9) in stopper (8), extension rod (10) are gone up the fixed first bellying (11) that is provided with, the fixed locating frame (12) that is provided with on the inside wall in horizontal chamber (103), fixed second bellying (13) that is provided with in locating frame (12), second bellying (13) can carry out spacing fixed to first bellying (11).
4. The low pressure mold upper core of claim 1, wherein: the diameter of the stripper rod (15) is equal to the diameter of the outlet (1031), and the length of the blocking piece (8) is greater than the diameter of the outlet (1031).
5. The low pressure mold upper core of claim 1, wherein: the fixed kelly (19) that is provided with in top of clamp plate (18), the fixed third bellying (20) that is provided with on kelly (19), fixed fourth bellying (22) that is provided with on the inner wall of recess (105), fourth bellying (22) can carry out spacing fixed to third bellying (20).
6. The low pressure mold upper core of claim 1, wherein: the transmission structure comprises a fixed block (23), the fixed block (23) is symmetrically arranged in a side cavity (102), a fourth spring (24) is connected to the fixed block (23), a push plate (25) is connected to one side, far away from the fixed block (23), of the fourth spring (24), a bearing plate (26) is fixedly arranged on the push plate (25), a cleaning brush (27) is arranged on the bearing plate (26), a rack (29) is arranged in the side cavity (102), the stripper rod (15) and the rack (29) are connected through a second connecting rope (28), an upper rotating rod (30) and a lower rotating rod (31) are hinged to the side cavity (102), a gear (34) and a first transmission wheel (35) are fixedly sleeved on the upper rotating rod (30), the rack (29) can drive the gear (34) to rotate when moving, a second transmission wheel (36) and a driving cone (38) are fixedly arranged on the lower rotating rod (31), the first transmission wheel (35) and the second transmission wheel (36) are both arranged in a transmission belt (37), a driven bevel gear (41) is arranged in the side cavity (102), a driven bevel gear (41) is arranged at one end of the fixed transmission rod (41), the bottom of the transmission rod (39) is fixedly provided with a cam (42), and the cam (42) can intermittently push the push plate (25) when rotating.
7. The low pressure mold upper core of claim 6, wherein: the upper rotating rod (30) is hinged in a first bearing seat (32), the lower rotating rod (31) is hinged in a second bearing seat (33), and the first bearing seat (32) and the second bearing seat (33) are both fixedly arranged in the side cavity (102).
8. The low pressure mold upper core of claim 6, wherein: the transmission rod (39) is hinged and arranged in the positioning rod (40) in a penetrating mode, and the positioning rod (40) is fixedly arranged in the side cavity (102).
9. A low pressure mold, comprising: a low pressure mold upper core comprising any of the above claims 1-8.
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002283035A (en) * | 2001-03-22 | 2002-10-02 | Topy Ind Ltd | Low pressure casting die cooling method, and device thereof |
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CN113564323A (en) * | 2021-07-26 | 2021-10-29 | 文荣 | Can realize quick refrigerated plumbous zinc alloy space flight heat treatment device for panel processing |
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CN108311671B (en) * | 2018-03-22 | 2019-12-13 | 中信戴卡股份有限公司 | Mold for improving solidification speed of aluminum alloy casting thermal section |
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JP2002283035A (en) * | 2001-03-22 | 2002-10-02 | Topy Ind Ltd | Low pressure casting die cooling method, and device thereof |
KR20050043014A (en) * | 2003-11-04 | 2005-05-11 | 기아자동차주식회사 | A cooling device for die casting metallic pattern |
DE102016104019B3 (en) * | 2016-03-06 | 2017-03-30 | Argirov ARCONTEC GmbH | Apparatus for producing castings, such as cast aluminum, by die casting or low pressure casting |
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CN208035327U (en) * | 2018-01-24 | 2018-11-02 | 何丽丽 | A kind of cooling burnishing device of extrusion die |
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