CN115815566A - Vacuumizing die-casting die of automobile rear base support - Google Patents
Vacuumizing die-casting die of automobile rear base support Download PDFInfo
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- CN115815566A CN115815566A CN202310030318.3A CN202310030318A CN115815566A CN 115815566 A CN115815566 A CN 115815566A CN 202310030318 A CN202310030318 A CN 202310030318A CN 115815566 A CN115815566 A CN 115815566A
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Abstract
The invention relates to a vacuum-pumping die-casting die for a rear base support of an automobile, which comprises an upper die holder, a lower die holder and a lower die leg, wherein the upper die holder and the lower die holder are arranged in an up-and-down stacked manner, a stacked combined upper die core and a stacked combined lower die core are arranged between the upper die holder and the lower die holder, a die cavity is formed between the combined upper die core and the combined lower die core, a double-cylinder core-pulling assembly inserted into the die cavity is arranged at the left parts of the upper die holder and the lower die holder, the double-cylinder core-pulling assembly comprises a core-pulling block, a core-pulling seat and a cylinder panel, one end of the core-pulling block is inserted into the die cavity, the other end of the core-pulling block is connected with one end of the core-pulling seat, the other end of the core-pulling seat is connected with the cylinder panel, and the cylinder panel is arranged at the left side of the lower die holder. The invention has the characteristics of reducing the integral volume of the die, reducing the cost of the die, ensuring the quality of products and the like.
Description
Technical Field
The invention relates to the technical field of automobile support die-casting production, in particular to a vacuumizing die-casting die for an automobile rear base support.
Background
Base needs solitary supporting structure to improve the structural strength of base behind the car, need set up the shaping that the solitary structure of loosing core was used for guaranteeing the support in order to produce this support, because supporting structure's volume and weight are very big, the structure of loosing core is also great with the contact surface of product, the conventional structure of loosing core needs the hydro-cylinder of the big model of installation to promote or take out and looses the core, this alone can cause the mould volume increase, also can increase the holistic cost of mould, in order to solve above-mentioned problem, need reform transform die casting die structure.
Disclosure of Invention
The invention aims to solve the technical problem of providing a vacuumizing die-casting die for an automobile rear base support, which has the characteristics of reducing the overall size of the die, reducing the cost of the die, ensuring the quality of a product and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a base support's evacuation die casting die behind car, includes upper die base, die holder and lower die pin, upper die base and die holder be about stacking the installation, upper die base and die holder between install and be the combination formula that stacks and go up mold core and combination formula lower mold core, the combination formula go up mold core and combination formula and form the die cavity down between the mold core, the left part of upper die base and die holder install the double-cylinder subassembly of loosing core that inserts the die cavity, double-cylinder loose core subassembly including the core pulling piece, core pulling seat and hydro-cylinder panel, core pulling piece one end insert the die cavity, the other end of core pulling piece link to each other with the one end of core pulling seat, the other end of core pulling seat link to each other with the hydro-cylinder panel, the hydro-cylinder panel set up the left side at the die holder, the left side both ends symmetry of hydro-cylinder panel install the hydro-cylinder that the main shaft passed the hydro-cylinder panel and link to each other with the die holder, the hydro-cylinder panel on install the branch oil assembly that links to each other with two hydro-cylinders of loosing core, the up end right part of die holder and rear portion all install the vacuum subassembly.
According to the technical scheme, the core pulling assembly is used for achieving auxiliary forming of the support through the double oil cylinders, meanwhile, the double oil cylinder structure can effectively improve power of the core pulling structure, the core pulling device is convenient to drive and large in size, core pulling of heavy quality can be achieved, the double oil cylinder structure can avoid the use of large oil cylinders, when the size of a whole die is reduced, die cost is reduced, the core pulling block can be conveniently installed in a centralized mode through the whole oil cylinder panel, the core pulling seat and the core pulling oil cylinders, when the core pulling oil cylinders are started, the main shaft stretches out, reaction force is generated, the core pulling block is separated from a product, hydraulic oil of the two core pulling oil cylinders is synchronously shunted through the installation of the oil distributing assembly, and the two core pulling oil cylinders can work synchronously.
As a supplement to the technical scheme, the hole site core-pulling oil cylinder is installed side by side around the left middle part of the oil cylinder panel, a core-pulling rod passing through the oil cylinder panel, the core-pulling seat and the core-pulling block is installed on a main shaft of the hole site core-pulling oil cylinder, and a hole site core-pulling oil distribution assembly is installed below the hole site core-pulling oil cylinder.
According to the technical scheme, the hole position core pulling oil cylinder is used for achieving auxiliary forming of hole positions of products, and meanwhile core pulling oil cylinder synchronous operation is achieved for the hole positions through the hole position core pulling oil distribution assembly.
As a supplement to the technical scheme, the tail end of the main shaft of the core-pulling oil cylinder is provided with a circle of butt-joint grooves, the left part of the upper end surface of the lower die holder is internally provided with an embedded lower die holder, and the lower end of the lower die holder is clamped into a locking block of the butt-joint grooves.
In order to improve the butt joint strength of the core-pulling oil cylinder and the lower die holder, the butt joint of the core-pulling oil cylinder and the lower die holder is facilitated, when the core-pulling oil cylinder is installed, the cylinder body is installed on an oil cylinder panel, a main shaft of the core-pulling oil cylinder penetrates through the oil cylinder panel and is inserted into the lower die holder, a circle of butt joint groove is formed in the end of the main shaft of the core-pulling oil cylinder, a locking block is installed by inserting the end of the upper end face of the lower die holder downwards, the lower end of the locking block is clamped into the butt joint groove, a positioning end which is propped against the locking block is formed in the end of the main shaft of the core-pulling oil cylinder, and when the core-pulling oil cylinder is started, the core-pulling block and the core-pulling seat move towards the left side, so that core-pulling action is realized.
As a supplement to this technical scheme, the branch oil subassembly include installation panel, oil feed valve body and the valve body that produces oil, the installation panel install on the hydro-cylinder panel, the oil feed valve body install at the installation panel upside, the left side of installation panel install the valve body that produces oil.
Thereby realize the equipartition to fluid through setting up oil feed valve body and the valve body that produces oil among this technical scheme, conveniently pour into hydraulic pressure and discharge hydraulic pressure into, realized two synchronous operation of loosing core hydro-cylinders simultaneously.
As a supplement to the technical scheme, an inductor transmission rod is installed on the lower side of the oil cylinder panel, a transmission wheel is installed on the inductor transmission rod, a proximity switch installation block in butt joint with the lower die holder is installed on the lower side of the inductor transmission rod, and proximity switches are symmetrically installed on the proximity switch installation block in the left-right direction.
Thereby the operating distance of controlling double-cylinder subassembly of loosing core through installation drive wheel and proximity switch among this technical scheme.
As a supplement to the technical scheme, the middle part of the upper die base is provided with a sprue spreader component, the lower end of the sprue spreader component is inserted into the die cavity, the sprue spreader component comprises a sprue base, a sprue bush and a sprue part vacuumizing structure, the sprue base is arranged on the combined lower die core, the sprue bush is arranged on the sprue base, and the sprue part vacuumizing structure is arranged on one side of the upper part of the sprue bush.
Through setting up the runner base among this technical scheme, conveniently set up the runner cover, thereby realize carrying out the evacuation operation to the die cavity left part through installation runner portion evacuation structure simultaneously.
As a supplement to the technical scheme, the sprue base is provided with a circle of sealing ring installation grooves surrounding the lower end of the sprue sleeve, and the sealing structure is arranged to seal the space of the sprue position by arranging the sealing ring installation grooves.
As a supplement to this technical scheme, gate portion evacuation structure include vertical butt joint pipe, flange and vertical communicating pipe, vertical butt joint pipe's one end pass through flange and gate cover butt joint, vertical butt joint pipe's the other end install vertical communicating pipe, vertical communicating pipe's upper end install first cylinder cap, first cylinder cap link to each other with the one end of evacuation cylinder body, the other end of evacuation cylinder body on install the second cylinder cap.
Because the double-cylinder subassembly of loosing core is installed to the left part of mould among this technical scheme for the unable normal discharge of left part air of die cavity, thereby influence the quality of product, for the air escape in the left part of convenient die cavity, set up runner portion evacuation structure.
Through setting up vertical butt joint pipe and vertical communicating pipe among this technical scheme, conveniently as exhaust passage, further ensure that the gas shrinkage cavity can not appear in the product left part, improve the quality of product, carry out the evacuation in-process simultaneously, the inside aluminium liquid level position of spreader cone subassembly is in runner portion evacuation structure's butt joint position below, spreader cone subassembly upper portion just forms sealedly after pouring into and accomplish aluminium liquid simultaneously, start runner portion evacuation structure after the completion, thereby realized taking out the inside air of product, avoid the shaping of gas shrinkage cavity.
As a supplement to this technical scheme, the both ends of evacuation cylinder body on all set up the sealing washer groove, the embedding of sealing washer inslot install the sealing washer, the both ends of evacuation cylinder body in all install foraminiferous baffle, vertical butt joint pipe and vertical communicating pipe between be provided with the bearing diagonal post, first cylinder cap and second cylinder cap between evenly install a plurality of butt joint posts around the evacuation cylinder body.
Through setting up the seal ring groove among this technical scheme, the butt joint end of the cylinder body that conveniently evacuates seals, through the installation of the first cylinder cap of installation and the convenient evacuation cylinder body of second cylinder cap, through the installation butt joint post, improves the structural strength of gate portion evacuation structure.
As a supplement to the technical scheme, the right part of the upper end surface of the lower die holder is provided with two exhaust structures which are arranged side by side from front to back, each exhaust structure comprises an exhaust block, an exhaust groove, an exhaust block baffle and an exhaust part vacuumizing butt joint cylinder, the number of the exhaust blocks is two, the exhaust blocks are arranged in an up-and-down stacked mode, the exhaust grooves are formed in the middle of the exhaust blocks, the exhaust block baffles are arranged on the right sides of the exhaust blocks, butt joint holes communicated with the exhaust grooves are formed in the exhaust block baffles, and the exhaust part vacuumizing butt joint cylinders butted with the butt joint holes are arranged on the right sides of the exhaust block baffles.
Through setting up exhaust structure among this technical scheme for conveniently carry out quick exhaust to the die cavity, ensure product quality.
As a supplement to the technical scheme, a sealing strip mounting groove is formed between the two exhaust blocks, the sealing strip mounting groove can be used for facilitating mounting of a sealing strip, the sealing effect of the die cavity is improved, and normal operation of vacuumizing operation is ensured.
As a supplement to the technical scheme, the vacuumizing assembly comprises a vacuumizing butt joint seat, a vacuumizing cylinder body installation seat and a blocking cylinder installation seat, the vacuumizing butt joint seat is installed on the upper end face of a lower die seat, the vacuumizing cylinder body installation seat is installed on the lower end face of an upper die seat, the vacuumizing butt joint seat and the vacuumizing cylinder body installation seat are stacked up and down, the blocking cylinder installation seat embedded into the lower end face of the upper die seat is installed above the vacuumizing cylinder body installation seat, an internal channel communicated with a die cavity is installed between the vacuumizing butt joint seat and the vacuumizing cylinder body installation seat, the blocking cylinder installation seat is provided with a blocking cylinder with a downward main shaft, the blocking rod inserted into the internal channel from the lower end is installed on the main shaft of the blocking cylinder, a vacuumizing pipe communicated with the internal channel is installed on the vacuumizing cylinder body installation seat, and the extending end of the vacuumizing pipe is butted with the vacuumizing butt joint cylinder.
According to the technical scheme, the blocking oil cylinder for blocking the air channel is installed on the vacuumizing assembly, when the blocking oil cylinder is started, the blocking rod presses downwards, the internal channel in the vacuumizing butt joint seat can be sealed, and aluminum liquid is prevented from entering the vacuumizing butt joint cylinder.
As a supplement to the technical scheme, the lower end of the blocking rod is provided with a sealing plug, and a blocking part sealing ring surrounding the blocking rod is embedded and installed on the vacuumizing cylinder body mounting seat.
The lower end of the blocking rod is enlarged through the sealing plug to block the cross section, so that the internal channel can be conveniently and quickly cut off, and the sealing ring at the blocking part is arranged, so that the sealing at the blocking rod part is realized.
As a supplement to this technical scheme, die holder downside rear portion install down the mounting panel of loosing core, the mounting panel downside of loosing core down install down the hydro-cylinder of loosing core, the die holder in install down the core cover of loosing core, the main shaft of the hydro-cylinder of loosing core down on install down the core axle of loosing core, the axle of loosing core down pass down loose core the axle insert the die cavity in.
According to the technical scheme, the lower core-pulling oil cylinder is convenient to mount by arranging the lower core-pulling mounting plate, the lower core-pulling shaft is positioned by mounting the lower core-pulling sleeve, and the hole position of a product is formed by the lower core-pulling shaft.
Has the advantages that: the invention relates to a vacuumizing die-casting die for a rear base support of an automobile, which is characterized in that a double-oil-cylinder core-pulling assembly is arranged to realize auxiliary forming of the support, meanwhile, the double-oil-cylinder structure can effectively improve the power of the core-pulling structure and conveniently drive core pulling with large volume and heavy quality, the double-oil-cylinder structure can avoid the use of large-sized oil cylinders, the size of the whole die is reduced, and the cost of the die is also reduced.
Drawings
FIG. 1 is a structural view of the present invention;
FIG. 2 is a structural view of the dual cylinder core pulling assembly according to the present invention;
FIG. 3 is a structural view of the cylinder panel according to the present invention;
FIG. 4 is a structural view of the oil distribution assembly of the present invention;
FIG. 5 is a top view of the present invention with the upper die base removed;
FIG. 6 is a view of the invention with the upper die base removed;
FIG. 7 is a top view of the present invention with the upper die base and the modular upper die core removed;
FIG. 8 is a front view of the present invention with the upper die base, lower die base and modular upper die core removed;
FIG. 9 is a structural view of a diverter cone assembly according to the present invention;
fig. 10 is a plan view of a gate portion evacuating structure according to the present invention;
fig. 11 is a structural view of a gate portion evacuating structure according to the present invention;
FIG. 12 is a top view of the exhaust block of the present invention;
FIG. 13 is a front view of the evacuation assembly of the present invention;
figure 14 is a structural view of the evacuation assembly of the present invention.
The figure is as follows: 1. an upper die holder, 2, a lower die holder, 3, a lower die foot, 4, a spreader cone component, 5, a combined upper die core, 6, a combined lower die core, 7, a double-cylinder core pulling component, 8, a core pulling block, 9, a core pulling seat, 10, a positioning end, 11, a cylinder panel, 12, a core pulling cylinder, 13, a butt joint groove, 14, a locking block, 15, a hole site core pulling and oil distributing component, 16, a hole site core pulling cylinder, 17, an oil distributing component, 18, an installation panel, 19, an oil inlet valve body, 20, an oil outlet valve body, 21, a vacuumizing component, 22, an exhaust structure, 23, a first hole site integration panel, 24, a second hole site integration panel, 25, a die cavity, 26, a lower core pulling cylinder, 27, a lower core pulling installation panel, 28, a lower core pulling shaft, 29, a lower core pulling sleeve, 30, a proximity switch installation block, 31 and a proximity switch, 32, an inductor transmission rod, 33, a transmission wheel, 34, a pouring gate base, 35, a pouring gate sleeve, 36, a pouring gate vacuumizing structure, 37, a sealing ring installation groove, 38, a longitudinal butt joint pipe, 39, a butt joint flange, 40, a vertical communication pipe, 41, an inclined support column, 42, a vacuumizing cylinder body, 43, a second cylinder cover, 44, a first cylinder cover, 45, a butt joint column, 46, a perforated baffle, 47, a sealing ring groove, 48, an exhaust block, 49, an exhaust groove, 50, an exhaust block baffle, 51, an exhaust part vacuumizing butt joint cylinder, 52, a vacuumizing cylinder body installation seat, 53, a vacuumizing butt joint seat, 54, a blocking cylinder installation seat, 55, a blocking cylinder, 56, a blocking rod, 57, a vacuumizing pipe, 58, a vacuumizing butt joint cylinder, 59, a blocking part sealing ring, 60 and a sealing plug.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The embodiment of the invention relates to a vacuum-pumping die-casting die for a rear base support of an automobile, which comprises an upper die holder 1, a lower die holder 2 and a lower die leg 3, wherein the upper die holder 1 and the lower die holder 2 are stacked up and down, a stacked combined upper die core 5 and a stacked combined lower die core 6 are arranged between the upper die holder 1 and the lower die holder 2, a die cavity 25 is formed between the combined upper die core 5 and the combined lower die core 6, a double-cylinder core-pulling assembly 7 inserted into the die cavity 25 is arranged at the left parts of the upper die holder 1 and the lower die holder 2, the double-cylinder core-pulling assembly 7 comprises a core-pulling block 8, a core-pulling seat 9 and a cylinder panel 11, one end of the core-pulling block 8 is inserted into the die cavity 25, the other end of the core-pulling block 8 is connected with one end of the core-pulling seat 9, the other end of the core-pulling seat 9 is connected with the cylinder panel 11, the cylinder panel 11 is arranged at the left side of the lower die holder 2, main shafts symmetrically arranged at two ends of the cylinder panel 11 and the vacuum-pulling cylinder assembly 21 and the lower die holder 2 are provided with the oil cylinder assembly 17.
According to the technical scheme, the core pulling assembly 7 is used for achieving auxiliary forming of the support through the double oil cylinders, meanwhile, the double oil cylinder structure can effectively improve power of the core pulling structure, the core pulling device is convenient to drive and large in size, core pulling of heavy quality can be achieved, the double oil cylinder structure can avoid the use of large oil cylinders, when the size of a whole die is reduced, die cost is reduced, the core pulling block 8 is convenient to install in a centralized mode through the whole oil cylinder panel 11, the core pulling seat 9 and the core pulling oil cylinder 12 are arranged, when the core pulling oil cylinder 12 is started, the main shaft stretches out, reaction force is generated, the core pulling block 8 is separated from a product, hydraulic oil of the two core pulling oil cylinders 12 is synchronously shunted through the installation oil distributing assembly 17, and the two core pulling oil cylinders 12 can work synchronously.
As shown in fig. 2 and 3, as a supplement to the present technical solution, the hole-site core-pulling cylinder 16 is installed side by side from the front to the back in the middle of the left side of the cylinder panel 11, a core-pulling rod passing through the cylinder panel 11, the core-pulling seat 9 and the core-pulling block 8 is installed on a main shaft of the hole-site core-pulling cylinder 16, and the hole-site core-pulling oil distribution assembly 15 is installed below the hole-site core-pulling cylinder 16.
According to the technical scheme, the hole position core-pulling oil cylinder 16 is installed to assist in forming hole positions of products, and meanwhile, the hole position core-pulling oil cylinder 16 is synchronously operated by arranging the hole position core-pulling oil distribution assembly 15.
As shown in fig. 2, as a supplement to the present technical solution, a circle of butt-joint groove 13 is provided on the end of the main shaft of the core-pulling cylinder 12, the lower die holder 2 is embedded in the left portion of the upper end surface of the lower die holder 2, and the lower end of the lower die holder is clamped into a locking block 14 of the butt-joint groove 13.
In order to improve the butt joint strength of the core-pulling oil cylinder 12 and the lower die holder 2 and facilitate the butt joint of the core-pulling oil cylinder 12 and the lower die holder 2, when the core-pulling oil cylinder 12 is installed, the cylinder body is installed on the oil cylinder panel 11, the main shaft of the core-pulling oil cylinder 12 penetrates through the oil cylinder panel 11 and is inserted into the lower die holder 2, the tail end of the main shaft of the core-pulling oil cylinder 12 is provided with a circle of butt joint groove 13, then the upper locking block 14 is inserted and installed downwards from the upper end face of the lower die holder 2, the lower end of the locking block 14 is clamped into the butt joint groove 13, the tail end of the main shaft of the core-pulling oil cylinder 12 forms a positioning end 10 which is in contact with the locking block 14, when the core-pulling oil cylinder 12 is started, the core-pulling block 8 and the core-pulling seat 9 move towards the left side, and core-pulling action is realized.
As shown in fig. 4, as a supplement to the present technical solution, the oil distribution assembly 17 includes an installation panel 18, an oil inlet valve body 19 and an oil outlet valve body 20, the installation panel 18 is installed on the oil cylinder panel 11, the oil inlet valve body 19 is installed on the upper side of the installation panel 18, and the oil outlet valve body 20 is installed on the left side of the installation panel 18.
Thereby realize the equipartition to fluid through setting up oil feed valve body 19 and the valve body 20 that produces oil among this technical scheme, conveniently pour into hydraulic pressure and discharge hydraulic pressure into, realized the synchronous operation of two hydro-cylinders of loosing core 12 simultaneously.
As shown in fig. 8, as a supplement to the present technical solution, an inductor transmission rod 32 is installed at a lower side of the cylinder panel 11, a transmission wheel 33 is installed on the inductor transmission rod 32, a proximity switch installation block 30 in butt joint with the lower die holder 2 is installed at a lower side of the inductor transmission rod 32, and proximity switches 31 are symmetrically installed on the proximity switch installation block 30.
In the technical scheme, the running distance of the double-oil-cylinder core pulling assembly 7 is controlled by installing the driving wheel 33 and the proximity switch 31.
As shown in fig. 9, as a supplement to the present embodiment, a sprue spreader assembly 4 with a lower end inserted into the mold cavity 25 is installed in the middle of the upper mold base 1, the sprue spreader assembly 4 includes a gate base 34, a gate sleeve 35 and a gate portion vacuum structure 36, the gate base 34 is installed on the combined lower mold core 6, the gate sleeve 35 is installed on the gate base 34, and the gate portion vacuum structure 36 is installed on one side of the upper portion of the gate sleeve 35.
Through setting up runner base 34 among this technical scheme, conveniently set up runner cover 35, thereby realize carrying out the evacuation operation to die cavity 25 left part through installation runner portion evacuation structure 36 simultaneously.
As a supplement to the present technical solution, the gate base 34 is provided with a ring of seal ring installation grooves 37 surrounding the lower end of the gate sleeve 35, and the seal ring installation grooves 37 are used for installing a seal structure to seal the space of the gate position.
As shown in fig. 10 and 11, as a supplement to the present technical solution, the sprue vacuum-pumping structure 36 includes a longitudinal butt joint pipe 38, a butt joint flange 39 and a vertical communication pipe 40, one end of the longitudinal butt joint pipe 38 is butt-jointed with the sprue bush 35 through the butt joint flange 39, the other end of the longitudinal butt joint pipe 38 is provided with the vertical communication pipe 40, the upper end of the vertical communication pipe 40 is provided with a first cylinder cover 44, the first cylinder cover 44 is connected with one end of the vacuum-pumping cylinder 42, and the other end of the vacuum-pumping cylinder 42 is provided with a second cylinder cover 43.
Because double-cylinder subassembly 7 of loosing core is installed to the left part of mould among this technical scheme for the unable normal discharge of left part air of die cavity 25, thereby influence the quality of product, for the air escape in the left part of die cavity 25, set up runner portion evacuation structure 36.
Through setting up vertical butt joint pipe 38 and vertical communicating pipe 40 among this technical scheme, conveniently as exhaust passage, further ensure that the gas shrinkage cavity can not appear in the product left part, improve the quality of product, carry out the evacuation in-process simultaneously, the inside aluminium liquid level position of reposition of redundant personnel awl subassembly 4 is in sprue gate portion evacuation structure 36's butt joint position below, reposition of redundant personnel awl subassembly 4 upper portion is pouring into and is accomplishing aluminium liquid back simultaneously, just form sealedly, start sprue gate portion evacuation structure 36 after the completion, thereby realized taking out the inside air of product, avoid the shaping of gas shrinkage cavity.
As shown in fig. 11, as a supplement to the present technical solution, two ends of the vacuum cylinder 42 are respectively provided with a sealing ring groove 47, a sealing ring is embedded in the sealing ring groove 47, two ends of the vacuum cylinder 42 are respectively provided with a baffle 46 with a hole, an inclined supporting column 41 is arranged between the longitudinal butt joint pipe 38 and the vertical communicating pipe 40, and a plurality of butt joint columns 45 surrounding the vacuum cylinder 42 are uniformly arranged between the first cylinder cover 44 and the second cylinder cover 43.
Through setting up seal ring groove 47 among this technical scheme, the butt joint end of conveniently taking out the vacuum cylinder body 42 seals, through the installation of the first cylinder cap 44 of installation and the convenient vacuum cylinder body 42 of second cylinder cap 43, through installation butt joint post 45, improves pouring gate portion vacuum structure 36's structural strength.
As shown in fig. 12, as a supplement to the present technical solution, two exhaust structures 22 arranged side by side in the front and back are installed at the right portion of the upper end surface of the lower die holder 2, the exhaust structures 22 include two exhaust blocks 48, an exhaust groove 49, an exhaust block baffle 50 and an exhaust portion vacuumizing butt-joint cylinder 51, the exhaust blocks 48 are arranged in an up-and-down stacked manner, the exhaust groove 49 is formed in the middle portion between the exhaust blocks 48, the exhaust block baffle 50 is installed at the right side of the exhaust block 48, a butt-joint hole communicated with the exhaust groove 49 is formed in the exhaust block baffle 50, and the exhaust portion vacuumizing butt-joint cylinder 51 butted with the butt-joint hole is installed at the right side of the exhaust block baffle 50.
Through setting up exhaust structure 22 among this technical scheme for conveniently carry out quick exhaust to die cavity 25, ensure product quality.
As a supplement to the technical scheme, a sealing strip mounting groove is formed between the two exhaust blocks 48, the sealing strip mounting groove can be used for facilitating mounting of a sealing strip, the sealing effect of the die cavity 25 is improved, and normal operation of vacuumizing operation is guaranteed.
As shown in fig. 13 and 14, as a supplement to the present technical solution, the evacuation assembly 21 includes an evacuation docking seat 53, an evacuation cylinder body mounting seat 52, and a blocking cylinder mounting seat 54, the evacuation docking seat 53 is mounted on the upper end surface of the lower die base 2, the evacuation cylinder body mounting seat 52 is mounted on the lower end surface of the upper die base 1, the evacuation docking seat 53 and the evacuation cylinder body mounting seat 52 are arranged in an up-down stacked manner, the blocking cylinder mounting seat 54 embedded in the lower end surface of the upper die base 1 is mounted above the evacuation cylinder body mounting seat 52, an internal channel communicated with the die cavity 25 is mounted between the evacuation docking seat 53 and the evacuation cylinder body mounting seat 52, the blocking cylinder 55 with a downward main shaft is mounted on the blocking cylinder body mounting seat 54, a blocking rod 56 with a lower end inserted into the internal channel is mounted on the main shaft of the blocking cylinder 55, an evacuation tube 57 communicated with the internal channel is mounted on the evacuation cylinder body mounting seat 52, and an extending end of the evacuation tube 57 is in butt joint with the blocking cylinder 58.
In the technical scheme, the vacuumizing assembly 21 is provided with a blocking oil cylinder 55 for blocking an air channel, and a blocking rod 56 is pressed down when the blocking oil cylinder 55 is started, so that an internal channel in the vacuumizing butt joint seat 53 is sealed, and aluminum liquid is prevented from entering a vacuumizing butt joint cylinder 58.
As a supplement to the present embodiment, a sealing plug 60 is installed at the lower end of the blocking rod 56, and a blocking portion sealing ring 59 surrounding the blocking rod 56 is inserted and installed on the vacuum cylinder mounting seat 52.
The blocking section of the lower end of the blocking rod 56 is enlarged by the sealing plug 60, so that the internal channel can be conveniently and quickly cut off, and the sealing ring 59 at the blocking part is arranged, so that the sealing at the blocking rod 56 is realized.
As a supplement to the technical solution, the lower die holder 2 has a lower core-pulling mounting plate 27 at the rear of the lower side, the lower core-pulling cylinder 26 is mounted at the lower side of the lower core-pulling mounting plate 27, the lower die holder 2 has a lower core-pulling sleeve 29 therein, the spindle of the lower core-pulling cylinder 26 has a lower core-pulling shaft 28 mounted thereon, and the lower core-pulling shaft 28 passes through the lower core-pulling shaft 28 and is inserted into the die cavity 25.
According to the technical scheme, the lower core-pulling oil cylinder 26 is convenient to mount by arranging the lower core-pulling mounting plate 27, the lower core-pulling sleeve 29 is mounted to position the lower core-pulling shaft 28, and the hole position of a product is formed by the lower core-pulling shaft 28.
In the technical scheme, a first hole site integrated panel 23 and a second hole site integrated panel 24 are installed on an upper die base 1, and a plurality of hole site bolts inserted into a die cavity 25 are uniformly arranged on the first hole site integrated panel 23 and the second hole site integrated panel 24.
The vacuum-pumping die-casting die for the automobile rear base support is introduced in detail, a specific example is applied in the detailed description to explain the principle and the implementation mode of the application, and the description of the embodiment is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. The utility model provides a base support's evacuation die casting die behind car, includes upper die base (1), die holder (2) and lower bolster (3), upper die base (1) and die holder (2) be the stack installation from top to bottom, upper die base (1) and die holder (2) between install and be the combination formula that stacks on mold core (5) and combination formula lower mold core (6), the combination formula on mold core (5) and the combination formula down form die cavity (25), its characterized in that between mold core (6): the left part of upper die base (1) and die holder (2) install the double oil cylinder subassembly (7) of loosing core that inserts die cavity (25), the double oil cylinder subassembly (7) of loosing core including loose core piece (8), loose core seat (9) and oil cylinder panel (11), loose core piece (8) one end insert die cavity (25), the other end of loosing core piece (8) link to each other with the one end of loosing core seat (9), the other end of loosing core seat (9) link to each other with oil cylinder panel (11), oil cylinder panel (11) set up the left side at die holder (2), the left side both ends symmetry of oil cylinder panel (11) install the main shaft and pass oil cylinder panel (11) and the hydro-cylinder (12) of loosing core that link to each other with die holder (2), oil cylinder panel (11) on install the branch oil assembly (17) that link to each other with two hydro-cylinders (12) of loosing core, the up end right part and the rear portion of die holder (2) all install evacuation subassembly (21).
2. The evacuated die casting mold for the automobile rear base bracket as claimed in claim 1, wherein: the hole site hydro-cylinder (16) of loosing core is installed side by side around the left side middle part of hydro-cylinder panel (11), the main shaft of hole site hydro-cylinder (16) of loosing core on install the core rod pole that passes hydro-cylinder panel (11), seat (9) and the piece (8) of loosing core, hole site hydro-cylinder (16) below install the hole site and loose core and divide oily subassembly (15) of loosing core.
3. The evacuated die casting mold for the automobile rear base bracket as claimed in claim 1, wherein: divide oily subassembly (17) including installation panel (18), oil feed valve body (19) and oil valve body (20), installation panel (18) install on hydro-cylinder panel (11), oil feed valve body (19) install at installation panel (18) upside, the left side of installation panel (18) install oil valve body (20).
4. The evacuated die casting mold for the automobile rear base bracket as claimed in claim 1, wherein: the lower side of the oil cylinder panel (11) is provided with an inductor transmission rod (32), the inductor transmission rod (32) is provided with a transmission wheel (33), the lower side of the inductor transmission rod (32) is provided with a proximity switch mounting block (30) in butt joint with the lower die holder (2), and the proximity switch mounting block (30) is provided with proximity switches (31) in a bilateral symmetry manner.
5. The vacuum-pumping die-casting die for the automobile rear base support as claimed in claim 1, characterized in that: the middle part of upper die base (1) install sprue spreader subassembly (4) that the lower extreme inserted die cavity (25), sprue spreader subassembly (4) including runner base (34), runner cover (35) and runner portion evacuation structure (36), runner base (34) install under the combination formula on mold core (6), runner base (34) on install runner cover (35), runner cover (35) upper portion one side install runner portion evacuation structure (36).
6. The evacuated die casting mold for the automobile rear base bracket as claimed in claim 5, wherein: and a circle of sealing ring mounting grooves (37) surrounding the lower end of the sprue bush (35) are formed in the sprue base (34).
7. The evacuated die casting mold for the automobile rear base bracket as claimed in claim 5, wherein: sprue portion evacuation structure (36) including vertical butt joint pipe (38), flange (39) and vertical communicating pipe (40), the one end of vertical butt joint pipe (38) pass through flange (39) and gate cover (35) butt joint, the other end of vertical butt joint pipe (38) install vertical communicating pipe (40), the upper end of vertical communicating pipe (40) install first cylinder cap (44), first cylinder cap (44) link to each other with the one end of evacuation cylinder body (42), the other end of evacuation cylinder body (42) on install second cylinder cap (43).
8. The evacuated die casting mold for the automobile rear base bracket as claimed in claim 7, wherein: the both ends of evacuation cylinder body (42) on all set up seal ring groove (47), seal ring groove (47) embedded install the sealing washer, the both ends of evacuation cylinder body (42) in all install foraminiferous baffle (46), vertical butt joint pipe (38) and vertical communicating pipe (40) between be provided with bearing diagonal post (41), first cylinder cap (44) and second cylinder cap (43) between evenly install a plurality of butt joint post (45) around evacuation cylinder body (42).
9. The evacuated die casting mold for the automobile rear base bracket as claimed in claim 1, wherein: the up end right part of die holder (2) install two exhaust structure (22) of arranging side by side around, exhaust structure (22) including exhaust piece (48), air discharge duct (49), exhaust piece baffle (50) and exhaust portion evacuation butt joint jar (51), exhaust piece (48) total two, stack about being and arrange, exhaust piece (48) between the middle part be provided with air discharge duct (49), exhaust piece (48) right side install exhaust piece baffle (50), exhaust piece baffle (50) in be provided with the butt joint hole with air discharge duct (49) intercommunication, exhaust piece baffle (50) right side install with the exhaust portion evacuation butt joint jar (51) of butt joint hole butt joint.
10. The evacuated die casting mold for the automobile rear base bracket as claimed in claim 1, wherein: the utility model discloses a vacuum pumping assembly, including evacuation butt joint seat (53), evacuation cylinder body mount pad (52), block hydro-cylinder mount pad (54), evacuation butt joint seat (53) install on die holder (2) up end, evacuation cylinder body mount pad (52) install on die holder (1) terminal surface down, evacuation butt joint seat (53) and evacuation cylinder body mount pad (52) be the upper and lower stack arrangement, evacuation cylinder body mount pad (52) top install the block hydro-cylinder mount pad (54) of embedding upper die holder (1) terminal surface down, evacuation butt joint seat (53) and evacuation cylinder body mount pad (52) between install the inner channel who communicates with die cavity (25), block on hydro-cylinder mount pad (54) and install main shaft blocking hydro-cylinder (55) down, the main shaft of blocking hydro-cylinder (55) on install the lower extreme and insert inner channel block pole (56), evacuation cylinder body mount pad (52) on install evacuation pipe (57) that communicate with inner channel, the butt joint end (58) of vacuum pumping and vacuum cylinder body butt joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310030318.3A CN115815566B (en) | 2023-01-10 | 2023-01-10 | Vacuumizing die-casting die for automobile rear base support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310030318.3A CN115815566B (en) | 2023-01-10 | 2023-01-10 | Vacuumizing die-casting die for automobile rear base support |
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| CN115815566B CN115815566B (en) | 2023-05-09 |
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| CN216828578U (en) * | 2021-11-25 | 2022-06-28 | 宁波市北仑欣玉模具制造有限公司 | Die casting die structure of electric motor car anticollision support |
| CN114799121A (en) * | 2022-06-24 | 2022-07-29 | 宁波市北仑欣玉模具制造有限公司 | Fully-sealed vacuumizing mold |
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2023
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| JPS61150763A (en) * | 1984-12-26 | 1986-07-09 | Toshiba Mach Co Ltd | Flash removing method of vacuum valve unit |
| KR100820388B1 (en) * | 2006-11-24 | 2008-04-08 | 현대자동차주식회사 | Limit switch engaging apparatus for a die casting evacuating device |
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| Publication number | Publication date |
|---|---|
| CN115815566B (en) | 2023-05-09 |
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