CN220295816U - Die casting die for manufacturing aluminum metal bracket and with double inclined core pulling function - Google Patents

Abstract

The utility model relates to a die casting die for manufacturing an aluminum metal bracket and provided with double inclined core pulling mechanisms, which comprises an upper die holder, an upper die core, a lower die holder, a lower die core and two inclined core pulling mechanisms, wherein the inclined core pulling mechanisms are respectively arranged on two opposite sides of the upper die holder and the lower die holder, each inclined core pulling mechanism comprises a traversing assembly, an inclined moving assembly, a needle drawing assembly and an oil cylinder, each traversing assembly comprises a flat sliding block, a smooth block is horizontally arranged, a piston rod of the oil cylinder is connected with the smooth block, a hook block is formed on one side of the flat sliding block, the hook block is provided with an inclined section and a horizontal section, each inclined moving assembly comprises an inclined sliding block, each inclined sliding block is provided with a push-pull groove sleeved on a butt joint position of the inclined section and the horizontal section of the hook block, and the needle drawing assembly is arranged on the upper end face and the lower end face of each inclined sliding block and penetrates through the upper die core, the lower die core to the upper die cavity and the lower die cavity. The technical scheme has the advantages of low assembly difficulty and time consumption, high assembly efficiency, no need of supporting and positioning by using a positioning tool capable of keeping an inclined angle, and correspondingly lower assembly cost.

Description

Die casting die for manufacturing aluminum metal bracket and with double inclined core pulling function

Technical Field

The utility model relates to the technical field of die casting dies, in particular to a die casting die which is used for manufacturing an aluminum metal bracket and has double inclined core pulling.

Background

The oblique pumping mechanism is a common mechanism in a die, and is mainly used for solving the problem that products with structures such as barbs, oblique holes and the like cannot be successfully demoulded, the common oblique pumping mechanism is generally a transverse pumping type core-pulling mechanism, core pulling is carried out through transverse movement of the core-pulling mechanism during demoulding, but partial products cannot be completed by the transverse pumping type core-pulling mechanism, taking an aluminum metal bracket of a display bracket formed by using a die casting die as shown in fig. 1 and 2 as an example, the aluminum metal bracket is a metal connecting arm 10, the aluminum metal bracket is composed of an arm plate 1001 and connecting sleeves 1002 positioned at two ends of the arm plate 1001, the two ends of the connecting sleeves 1002 extend obliquely upwards and downwards relative to the connecting positions of the arm plate 1001, the oblique holes 1002a consistent with the oblique directions are formed in the connecting sleeves 1002, and obviously, when the die casting die with the conventional transverse pumping type core-pulling mechanism is used for forming, the transverse pumping type core-pulling mechanism cannot be blocked by the inner wall of the connecting sleeve of the formed metal connecting arm, so that the situation that core pulling cannot be successfully completed is caused, and the edge of the oblique holes of the connecting sleeves cannot be damaged.

In this regard, die casting molds with core pulling mechanisms capable of pulling cores up and down towards inclined holes appear on the market, herein, take the chinese patent with publication number CN210705830U as an example, the patent name of "an inclined core pulling structure of die casting mold" is that an inclined insertion channel is provided on a lower mold frame of the structure, an inclined core pulling component passes through the insertion channel, one end of the inclined core pulling component is inserted into a mold cavity, the other end is connected with an oil cylinder, one side of the lower mold frame is hinged with an oil cylinder mounting plate, a cylinder body of the oil cylinder is fixed on the oil cylinder mounting plate, an inclined micro cylinder is mounted at the bottom of the lower mold frame, a cylinder rod of the micro cylinder is fixedly connected with the bottom of the oil cylinder mounting plate, the micro cylinder can adjust the angle of the oil cylinder mounting plate and the oil cylinder, when the inclined hole angle of the inclined core pulling component is changed in the mold cavity, the angle of the core pulling rod can be adjusted adaptively in time to adapt to the change of the inclined hole angle, and the die casting has the characteristics of convenient operation.

However, the problem with the mould provided with the inclined core-pulling structure is that the core-pulling assembly, the oil cylinder mounting plate and other similar horizontal planes are all inclined, and in the assembly process, the inclined angle is required to be manually maintained or the inclined angle is required to be maintained by a positioning tool for supporting and positioning, so that sliding caused by the inclined angle with the horizontal planes is prevented.

Disclosure of Invention

Aiming at the problems that the inclined core pulling mechanism is large in assembly difficulty, long in time consumption and low in efficiency and high in cost because the inclined angle of a core pulling component, an oil cylinder mounting plate and the like of the inclined core pulling mechanism are required to be manually maintained or a positioning tool capable of maintaining the inclined angle is used for supporting and positioning in the assembly process when the die casting die with the inclined core pulling mechanism is assembled, the inclined hole core pulling can be realized through horizontal movement of the part of the inclined core pulling mechanism, so that the assembly difficulty and the time consumption are remarkably reduced, the assembly efficiency is improved, the positioning tool capable of maintaining the inclined angle is not required to be used for supporting and positioning, and the assembly cost is correspondingly reduced for manufacturing the die casting die with the double inclined core pulling mechanism.

In order to achieve the above object, the technical solution of the present utility model is:

the die casting die comprises an upper die holder, an upper die core, a lower die holder, a lower die core, a casting mechanism, a depressurization cooling mechanism, an ejection mechanism and an inclined core pulling mechanism, wherein at least one upper die cavity and at least one lower die cavity which are opposite are respectively arranged on the upper die core and the lower die core, the inclined core pulling mechanism is configured with two groups, two opposite sides of the upper die holder and the lower die holder are provided with an upper mounting area and a lower mounting area for mounting the two inclined core pulling mechanisms, the inclined core pulling mechanism comprises a traversing assembly, an inclined moving assembly, a needle drawing assembly and an oil cylinder, the traversing assembly comprises a flat sliding block, a smooth block is horizontally arranged, a piston rod of the oil cylinder is connected with the smooth block, a hook block is formed on one side of the flat sliding block, the hook block is provided with an inclined section and a horizontal section connected with the smooth block, the inclined section extends upwards or downwards to the side which is away from the smooth block, the inclined sliding block is obliquely arranged relative to the horizontal plane, and a push-pull groove is arranged in the inclined sliding block, the inclined sliding block is sleeved on the butt joint position of the inclined section and the horizontal section of the hook block, the needle drawing assembly is arranged on the upper end face and the lower end face of the inclined sliding block, and penetrates through the upper die core and the lower die core.

Preferably, the inner wall of the push-pull groove comprises an upper inclined groove surface, a lower inclined groove surface and a flat groove surface, wherein the upper inclined groove surface and the lower inclined groove surface are vertically opposite and respectively matched with the upper end surface and the lower end surface of the inclined section of the hook block, and the flat groove surface is positioned on one side of the upper inclined groove surface or the lower inclined groove surface and is attached to the horizontal section of the hook block.

Preferably, the traversing assembly further comprises a flat sliding seat and a sliding block pressing plate, the smooth seat is provided with an inner cavity formed along the length direction of the flat sliding seat, step surfaces are formed on two opposite side walls of the inner cavity, the sliding block pressing plate is provided with two groups, the two sliding block pressing plates are arranged on the two step surfaces, a flat sliding way is formed among the sliding block pressing plate, the step surfaces and the bottom wall of the inner cavity, the smooth block is arranged in the inner cavity, two sides of the smooth block are in sliding connection with the smooth way, the oil cylinder is arranged on the flat sliding seat on one side of the inner cavity, and a piston rod of the oil cylinder extends into the inner cavity to be connected with the smooth block.

Preferably, a limiting groove is formed in one side, opposite to the oil cylinder, of the smooth block, the limiting groove is T-shaped and matched with the end part of a piston rod of the oil cylinder, and the end part of the piston rod of the oil cylinder is embedded in the limiting groove.

Preferably, the oblique core pulling mechanism further comprises a cover plate and oblique sliding seats, the cover plate is arranged below the upper installation area and above the lower installation area, the two groups of oblique sliding seats are arranged on the oblique sliding seats, the two oblique sliding seats are opposite and are arranged on one side, close to the upper installation area and the lower installation area, of the cover plate at intervals, oblique sliding tracks with the inclination consistent with that of the oblique sliding blocks are arranged on the oblique sliding seats, the oblique sliding blocks are arranged between the two oblique sliding seats, and the two sides of the oblique sliding seats are in sliding connection with the oblique sliding tracks.

Preferably, the inclined core pulling mechanism further comprises a stop block, wherein the stop block is arranged between the two inclined sliding seats and connected with the cover plate, and the stop block is opposite to the hook block of the flat sliding block of the transverse moving mechanism.

Preferably, the needle drawing assembly comprises a bottom plate, a top plate, a needle sleeve and an insert needle, wherein the bottom plate and the top plate are overlapped on the inclined sliding block, the needle sleeve is arranged on the top plate, and the insert needle is arranged in the needle sleeve and extends outwards into the upper cavity and the lower cavity.

Preferably, the upper cavity and the lower cavity are provided with two, the casting mechanism comprises a casting hopper, a main runner and branch runners, the casting hopper is arranged on the upper die holder, the main runner and the branch runners are all arranged between the two lower cavities of the lower die core, the main runner is arranged along the length direction of the lower die cavity, one end of the main runner is communicated with the discharge end of the casting hopper, the branch runners are provided with a plurality of branch runners, each branch runner is arranged along the length direction of the main runner, and two ends of each branch runner are respectively communicated with the main runner and the lower die cavity.

Preferably, the upper mold core and the lower mold core are provided with a plurality of overflow grooves, the overflow grooves are arranged at intervals along the length direction of the lower mold cavity, the depressurization cooling mechanism comprises pressure relief channels, the pressure relief channels and the overflow grooves are equal in number, one end of each pressure relief channel is communicated with the corresponding overflow groove, and the other end of each pressure relief channel penetrates through the outer wall of the lower mold base and is communicated with the external space.

Preferably, the pressure reducing cooling mechanism comprises a liquid inlet water feeder, a liquid outlet water feeder, a cooling liquid pipeline penetrating through the upper die holder and the upper die core, a lower die holder and the lower die core, wherein the liquid inlet water feeder and the liquid outlet water feeder are respectively arranged on a water inlet end and a water outlet end of the cooling pipeline, a plurality of branch water supplementing pipes and branch water draining pipes are respectively arranged on the liquid inlet water feeder and the liquid outlet water feeder, and the branch water supplementing pipes and the branch water draining pipes are controlled by the branch water supplementing valves and the branch water draining valves.

Compared with the prior art, the utility model has the advantages that:

in the oblique core pulling mechanism composed of the transverse moving assembly, the oblique moving assembly, the needle drawing assembly and the oil cylinder, the transverse moving assembly and the large-volume oil cylinder are horizontally arranged, so that the inclined angle is not required to be manually supported and maintained, a positioning tool capable of maintaining the inclined angle is not required to be used for supporting and positioning, the oblique sliding block of the oblique moving assembly is sleeved on the butt joint position of the inclined section and the horizontal section of the hook block of the horizontal sliding assembly through the push-pull groove, the butt joint position of the oblique sliding block and the hook block can be limited by utilizing the integrally nonlinear line-running hook block, meanwhile, the needle drawing assembly can be directly mounted on the horizontally-arranged oblique sliding block when the oblique sliding block of the oblique moving assembly is not sleeved on the hook block, and then the oblique sliding block is sleeved on the hook block together, so that the assembly difficulty and the assembly time of the oblique core pulling mechanism and the whole die casting die are greatly reduced, and simultaneously, the assembly cost is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a metal connecting arm formed by a die casting mold;

fig. 2 is a schematic cross-sectional structure of a metal connecting arm formed by a die casting die;

FIG. 3 is a schematic view of the overall structure of the die casting die of the present utility model;

FIG. 4 is a schematic view showing the overall structure of the die casting die according to the present utility model at another view angle;

FIG. 5 is a schematic view showing the overall structure of an upper die of the die casting die of the present utility model;

FIG. 6 is a schematic view showing the overall structure of a lower die of the die casting die of the present utility model;

FIG. 7 is a schematic view of the overall structure of the inclined core pulling mechanism of the present utility model;

FIG. 8 is a schematic view of the overall structure of the inclined core pulling mechanism according to another view angle of the present utility model;

FIG. 9 is a schematic diagram showing an exploded structure of the inclined core-pulling mechanism of the present utility model;

FIG. 10 is a schematic cross-sectional view of the inclined core-pulling mechanism of the present utility model;

FIG. 11 is a schematic view of the overall structure of a smooth block with hook blocks formed on the inclined core pulling mechanism of the present utility model;

FIG. 12 is a schematic view of the overall structure of the inclined slide block of the inclined core pulling mechanism of the present utility model;

FIG. 13 is a schematic cross-sectional view of the inclined slide block of the inclined core pulling mechanism of the present utility model.

As shown in the figure:

1. an upper die holder; 101. an upper mounting region; 2. an upper mold core; 201. an upper cavity; 3. a lower die holder; 301. a lower mounting area; 4. a lower mold core; 401. a lower cavity; 5. a casting mechanism; 501. a pouring hopper; 502. a main flow passage; 503. branching flow channels; 6. a depressurization cooling mechanism; 601. a pressure relief channel; 602. a liquid inlet water feeder; 6021. branching water supplementing pipes; 6022. a branch water supplementing valve; 603. a liquid discharge water feeder; 6031. a branched drain pipe; 6032. a branch drain valve; 7. an ejection mechanism; 8. an inclined core pulling mechanism; 801. an oil cylinder; 802. a flat slider; 8021. a hook block; 8021a, an inclined section; 8021b, horizontal segment; 8022. a limit groove; 803. an inclined slide block; 8031. a push-pull groove; 8031a, upper chute face; 8031b, lower chute face; 8031c, flat grooved surface; 804. a flat slide; 8041. an inner cavity; 8041a, step surface; 805. a slide block pressing plate; 806. a flat slideway; 807. a cover plate; 808. an inclined slide seat; 8081. an inclined slideway; 809. a stop block; 810. a bottom plate; 811. a top plate; 812. a needle sleeve; 813. inserting a needle; 9. an overflow trough; 10. a metal connecting arm; 1001. an arm plate; 1002. connecting sleeves; 1002a, inclined holes.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of description, and are not intended to indicate or imply that the directions are necessarily specific directions and specific direction configurations and operations, and thus should not be construed as limiting the present utility model.

As shown in fig. 3 to 13, a die casting die for manufacturing an aluminum metal bracket and having double inclined core-pulling, which comprises an upper die holder 1, an upper die core 2, a lower die holder 3, a lower die core 4, a casting mechanism 5, a pressure-reducing cooling mechanism 6, an ejector mechanism 7 and an inclined core-pulling mechanism 8, wherein the casting mechanism 5 is used for injecting molten metal blanks of a molded metal connecting arm 10 into a die body, the pressure-reducing cooling mechanism 6 is used for cooling the die body and the molten metal blanks in the molding process of the metal connecting arm 10, the ejector mechanism 7 is used for ejecting the molded metal connecting arm 10 out of the die body when the molded metal connecting arm 10 is demolded, the guide mechanism is used for keeping the die body stably and linearly moving when the molded metal connecting arm 10 is demolded, the inclined core-pulling mechanism 8 is used for molding inclined holes 1002a of the molded metal connecting arm 10 and enabling smooth demolding of the molded metal connecting arm 10, at least one upper cavity 201 and at least one lower cavity 401 are respectively arranged on the upper mold core 2 and the lower mold core 4, the upper cavity 201 and the lower cavity 401 form a complete cavity for forming the metal connecting arm 10 together, the inclined core pulling mechanisms 8 are arranged in two groups, an upper mounting area 101 and a lower mounting area 301 are respectively arranged on the upper mold base 1 and the lower mold base 3, the two inclined core pulling mechanisms 8 are respectively arranged in the upper mounting area 101 and the lower mounting area 301 and are connected with the upper mold base 1 and the lower mold base 3, two connecting sleeves 1002 based on the metal connecting arm 10 are arranged at two ends of a wallboard 1001 and extend obliquely upwards and obliquely downwards respectively, so that the upper mounting area 101 and the lower mounting area 301 are arranged on two opposite sides of the upper mold base 1 and the lower mold base 3 to simultaneously form inclined holes 1002a in the two connecting sleeves 1002, each inclined core pulling mechanism 8 comprises a traversing assembly, an inclined moving assembly, a needle drawing assembly and an oil cylinder 801, the traversing assembly comprises a flat sliding block 802, the flat sliding block 802 is horizontally arranged, a piston rod of the oil cylinder 801 is connected with the smooth block 802, a hook block 8021 is formed on one side of the flat sliding block 802, the hook block 8021 is provided with an inclined section 8021a and a horizontal section 8021b connected with the smooth block 802, the inclined section 8021a extends upwards or downwards in an inclined way away from the side of the flat sliding block 802, namely, an included angle which is not ninety degrees is formed between the inclined section 8021a and the horizontal section 8021b, the hook block 8021 is in a shape similar to an L shape as a whole, the inclined shifting assembly comprises an inclined sliding block 803, a push and pull groove 8031 is formed in the inclined sliding block 803, the push and pull groove 8031 is sleeved on a butt joint position of the inclined section 8021a and the horizontal section 8021b of the hook block 8021 through the push and pull groove 8031, so that the inclined sliding block 803 is prevented from being separated from the butt joint position of the hook block 8021 under the action of gravity or other external force, the inclined sliding block 803 is kept in a stable connection state, the inclined sliding block 803 is also arranged in a relative horizontal plane, the upper end face and the lower end face of the inclined slide 803 are inclined to the horizontal plane, the needle drawing component of the inclined core pulling mechanism 8 positioned on the upper die holder 1 is arranged on the lower end face of the inclined slide 803, and obliquely passes through the upper die core 2 and the upper die cavity 201, the needle drawing component of the inclined core pulling mechanism 8 positioned on the lower die holder 3 is arranged on the upper end face of the inclined slide 803, and obliquely passes through the lower die core 4 and the lower die cavity 401, when the oil cylinder 801 operates, the piston rod drives the flat slide 802 and the hook 8021 integrated with the flat slide 802 to horizontally move, the inclined slide 803 is pushed to obliquely upwards or obliquely downwards along the inclined section 8021a of the hook 8021 by utilizing the matching surface of the inclined section 8021a of the hook 8021 and the inclined slide 803, the inclined slide 803 drives the needle drawing component to synchronously move obliquely upwards or obliquely downwards, so that the needle drawing component is separated from the upper die cavity 201, the lower die cavity 401 or returns into the upper die cavity 201 and the lower die cavity 401 to realize oblique core pulling, in the oblique core pulling mechanism comprising the traversing assembly, the oblique shifting assembly, the needle pulling assembly and the oil cylinder 801, the traversing assembly and the large-volume oil cylinder 801 are horizontally arranged, so that the inclined angle is not required to be manually supported and kept, a positioning tool capable of keeping the inclined angle is not required to be used for supporting and positioning, the oblique sliding block 803 of the oblique shifting assembly is sleeved on the butt joint position of the inclined section 8021a and the horizontal section 8021b of the hook block 8021 of the traversing assembly through the push-pull groove 8031, the oblique sliding block 803 is limited to be separated from the butt joint position of the hook block 8021 by utilizing the integrally nonlinear hook block 8021, meanwhile, the needle pulling assembly can be directly mounted on the horizontally arranged oblique sliding block 803 of the oblique shifting assembly, and then sleeved on the hook block 8021 together with the oblique sliding block 803, so that the assembly difficulty and the assembly of the oblique core pulling mechanism 8 and the whole die casting die are greatly reduced, and the assembly core pulling cost are simultaneously reduced.

As shown in fig. 13, the inner wall of the push-pull groove 8031 includes an upper chute face 8031a, a lower chute face 8031b and a plane chute face 8031c, the upper chute face 8031a and the lower chute face 8031b are vertically opposite and are respectively matched with the upper end face and the lower end face of the inclined section 8021a of the hook block 8021, the plane chute face 8031c is positioned at one side of the upper chute face 8031a or the lower chute face 8031b and is adhered to the horizontal section 8021b of the hook block 8021, in particular, the plane chute face 8031c is positioned at one side of the upper chute face 8031a, the plane chute face 8031c is matched with the upper end face of the horizontal section 8021b of the hook block 8021, the inclined slide block 803 can be prevented from being separated from the butt joint position with the hook block 8021 under the action of gravity or other external force under the supporting action of the horizontal section 8021b of the hook block 8021, in the inclined core pulling mechanism 8 arranged on the lower die holder 3, the flat groove surface 8031c is positioned on one side of the lower chute surface 8031b, the flat groove surface 8031c is matched with the lower end surface of the horizontal section 8021b of the hook block 8021, the inclined sliding block 803 is prevented from being separated from the butt joint position of the hook block 8021 under the action of gravity or other external forces by the limitation of the inclined section 8021a of the hook block 8021, and the inclined sliding block 803 can be relatively moved along the inclined section 8021a and the hook block 8021 when the hook block 8021 moves by the arrangement of the single-side flat groove surface 8031c, so that the inclined upward and downward movement is realized, and further, the inclined core pulling is realized when the metal connecting arm 10 is released.

As shown in fig. 3 and 7 to 10, the traversing assembly further comprises a flat slide 804 and a slide pressing plate 805, the flat slide 804 is provided with an inner cavity 8041 which is opened along the length direction, the flat slide 804 provided with the inner cavity 8041 is in a concave shape as a whole, two opposite side walls of the inner cavity 8041 are provided with step surfaces 8041a, the slide pressing plate 805 is provided with two groups, the two slide pressing plates 805 are arranged on the two step surfaces 8041a, the opposite sides of the two slide pressing plates 805 extend to the center of the inner cavity 8041 beyond the lower step surfaces 8041a, a flat slideway 806 is formed between the lower step surfaces 8041a and the bottom wall of the inner cavity 8041, a smooth block 802 is arranged in the inner cavity 8041, two sides of the smooth block 802 are in sliding connection with the smooth channel 806, the smooth block 802 can always keep linear movement due to the limitation of the movement direction of the smooth channel 806, an oil cylinder 801 is arranged on the smooth slide 804 on one side of the inner cavity 8041, the side of the inner cavity 8041 is closed, the flat slide 802 is prevented from moving beyond the position, a piston rod of the flat slide block 802 extends into the inner cavity 8041 to be connected with the flat slide block 802,

as shown in fig. 3 and fig. 7 to fig. 11, a limit groove 8022 is formed on one side of the smooth block 802 opposite to the oil cylinder 801, the limit groove 8022 is T-shaped and matched with the shape of the end of the piston rod of the oil cylinder 801, the end of the piston rod of the oil cylinder 801 is embedded in the limit groove 8022, and the smooth block 802 and the oil cylinder 801 can be kept in a connection state all the time by preventing the piston rod of the oil cylinder 801 from being separated from the butt joint position with the flat slide block 802 when moving based on the arrangement.

As shown in fig. 3, fig. 4, and fig. 7 to fig. 13, the core pulling mechanism 8 further includes a cover plate 807 and a slide seat 808, the cover plate 807 covers the lower portion of the upper mounting area 101 and the upper portion of the lower mounting area 301, the upper portion of the upper mounting area 101 and the upper portion of the lower mounting area 301 are closed, two sets of slide seats 808 are disposed opposite to each other and are disposed at a distance from the cover plate 807 to one side of the upper mounting area 101 and the lower mounting area 301, a slide track 8081 is disposed on the slide seat 808, the inclination of the slide track 8081 and the slide track 803 is always the same, the slide track 803 is disposed between the slide seats 808, and both sides of the slide track 803 are slidably connected to the slide track 8081.

As shown in fig. 7, 9 and 10, the core pulling mechanism 8 further includes a stopper 809, the stopper 809 is disposed between the two inclined sliding seats 808 and connected to the cover plate 807, and the stopper 809 is opposite to the hook 8021 of the flat sliding block 802 of the traversing mechanism, if the flat sliding block 802 moves toward the stopper 809, the distance between the hook 8021 and the stopper 809 changes, and further movement of the flat sliding block 802 is limited when the flat sliding block is abutted against the stopper, and further, the maximum movement stroke of the flat sliding block 802 is limited by cooperation with the oil cylinder 801, so that the flat sliding block 802 is prevented from moving beyond position.

As shown in fig. 5 to 7, 9 and 10, the needle drawing assembly includes a base plate 810, a base plate 811, a needle sleeve 812 and an insert 813, the base plate 810 and the base plate 811 are stacked on the inclined slider 803, the needle sleeve 812 is disposed on the base plate 811, the insert 813 is disposed in the needle sleeve 812 and extends outwards into the upper cavity 201 and the lower cavity 401, it is understood that the inclined slider 803 inclined relative to the horizontal plane keeps the same inclination of the base plate 810, the base plate 811, the needle sleeve 812 and the insert 813 therein, and the synchronous movement is kept to complete the inclined core drawing when the inclined slider 803 moves.

As shown in fig. 5 and 6, the upper cavity 201 of the upper mold core 2 and the corresponding lower cavity 401 on the lower mold core 4 are provided with two cavities, so that the die casting mold of the utility model can be simultaneously used for forming two groups of metal connecting arms 10 in unit time, the forming efficiency is improved, the casting mechanism 5 comprises a casting hopper 501, a main runner 502 and branch runners 503, the casting hopper 501 is arranged on the upper mold base 1, the feeding end of the casting hopper 501 penetrates through the upper end face of the upper mold base 1, the discharging end of the casting hopper penetrates through the lower end face of the upper mold base 1, the main runner 502 and the branch runners 503 are arranged between the two lower cavities 401 of the lower mold core 4, one end of the main runner 502 is communicated with the discharging end of the casting hopper 501, the branch runners 503 are provided with a plurality of branch runners 503, each branch runner 503 is respectively communicated with the main runner 502 and the lower cavity 401 in the length direction of the main runner 502, the length of each branch runner 503 is consistent with the length dimension of the lower cavity 401 on both sides, the branch runners 503 are uniformly distributed between the main runner 502 and the lower cavity 401 on both sides, the feeding ends of the branch runners 503 evenly penetrates through the lower cavity 401, the lower cavity 401 on both sides of the main runner 502 and the lower cavity, the metal connecting arms 10 are smoothly connected with each other, the metal connecting arms 10 can be prevented from shrinking in the final forming process, and the metal connecting arms can be smoothly, the blank can be prevented from being shaped, the blank can be prevented from flowing into the blank and the blank can be smoothly and the blank can be shaped, the blank can be prevented from flowing and the blank can be smoothly shaped and the shaped, the blank can have a large shrinkage width and the quality has a small size.

As shown in fig. 5 and 6, a plurality of opposite overflow grooves 9 are formed on the upper mold core 2 and the lower mold core 4, each overflow groove 9 is arranged at intervals along the length direction of the lower mold cavity 401, in the molding process, the overflow grooves 9 are used for controlling the flow of blanks, ensuring that the blanks smoothly fill the mold cavity, reducing the gas and defects generated in the working process of the mold, further ensuring that the surface of the finally molded metal connecting arm 10 is regular, simultaneously controlling the flow speed of the blanks, avoiding that excessive blanks are extruded when being injected into the mold cavity, reducing the material waste cost, the depressurization cooling mechanism 6 comprises pressure release channels 601, the pressure release channels 601 are in equal numbers with the overflow grooves 9, one end of each pressure release channel 601 is communicated with the corresponding overflow groove 9, the other end of each pressure release channel is communicated with the outer wall of the lower mold seat 3, the pressure release channel 601 is used for discharging gas and bubbles in the mold cavity, preventing the bubbles from generating smoke and hot gas, discharging the molten blanks, reducing the temperature of the mold cavity, and further improving the molding quality of the metal connecting arm 10.

As shown in fig. 3, fig. 4 and fig. 6, the depressurization cooling mechanism 6 comprises a liquid inlet water feeder 602, a liquid outlet water feeder 603, and a cooling liquid pipe penetrating through the upper die holder 1, the upper die holder 2, the lower die holder 3 and the lower die holder 4, wherein the cooling liquid pipe is used for injecting cooling liquid, so that the temperature of the upper die holder 201 and the lower die holder 401 is reduced when the metal connecting arm 10 is formed, the metal connecting arm 10 after solidification of a blank can be rapidly formed and smoothly demoulded, the liquid inlet water feeder 602 and the liquid outlet water feeder 603 are respectively arranged on the water inlet end and the water outlet end of the cooling pipe, the liquid inlet water feeder 602 is used for injecting cooling liquid into the cooling liquid pipe, the liquid outlet water feeder 603 is used for discharging cooling liquid which is used for cooling liquid in the cooling liquid pipe to the outside, and further can continuously inject low-temperature cooling liquid into the cooling liquid pipe to cool the upper die holder 201 and the lower die holder 401, a plurality of branch water supplementing pipes 6021 and branch water draining pipes 6031 are respectively arranged on the liquid inlet water feeder 602 and the liquid outlet water feeder 603, the branch water pipes can be used for connecting more external water inlet pipes with the liquid inlet water feeders 602 and the liquid outlet water feeders 602, the corresponding to the liquid outlet water supplementing pipes 6022 and the water supplementing pipes 6032 can be controlled by the branch water supplementing water draining pipes 6022 and the water draining water pipes 6032, and the water draining water can be controlled by the branch water draining water pipes 6032 and the water draining water pipes 6032.

Referring to fig. 1 to 13, when the die casting mold of the present utility model forms the metal connecting arm 10, the molten blank is poured from the pouring hopper 501 of the pouring mechanism 5, then the molten blank is poured into the main runner 502 by utilizing the fluidity of the die casting mold, and then is poured into each branch runner 503 on both sides by the main runner 502, and finally is poured into the lower cavity 401 on both sides, the lower cavity 401 and the upper cavity 201 are completely filled with the increase of the blank amount, after the forming is completed, the die casting mold is demolded, the two groups of inclined core-pulling mechanisms 8 perform core pulling, the cylinder 801 drives the smooth block 802 of the traversing assembly and the hook 8021 integrated therewith to move, specifically, the cylinder 801 of the inclined core-pulling mechanism 8 on the upper mold base 1 and the cylinder 801 of the inclined core-pulling mechanism 8 on the lower mold base 3 drive the flat slide block 802 and the hook 8021 to move along the smooth channel 806 of the smooth seat 804, the inclined section 8021a of the hook block 8021 applies thrust to the inner wall of the push-pull groove 8031 of the inclined slider 803, and as the matching surface between the inclined section 8021a of the hook block 8021 and the inclined slider 803 is an inclined surface, the inclined slider 803 and a connected needle drawing assembly can be pushed to move obliquely along the inclined slide 8081 of the inclined slide 808, wherein the inclined slider 803 of the inclined core pulling mechanism 8 on the upper die holder 1 moves obliquely upwards, so that the needle 813 of the needle drawing mechanism is separated from the inclined hole 1002a of the connecting sleeve 1002 of the formed metal connecting arm 10 and the upper die cavity 201, the inclined slider 803 of the inclined core pulling mechanism 8 on the lower die holder 3 moves obliquely downwards, so that the needle 813 of the needle drawing mechanism is separated from the inclined hole 1002a of the connecting sleeve 1002 of the formed metal connecting arm 10 and the lower die cavity 401, and then the core pulling mechanism 7 can eject the metal connecting arm 10 out of the die cavity smoothly to finish demoulding.

The foregoing embodiments and description have been provided merely to illustrate the principles and best modes of carrying out the utility model, and various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (10)

1. The die casting die for manufacturing the aluminum metal bracket and provided with the double-inclined core pulling comprises an upper die holder (1), an upper die core (2), a lower die holder (3), a lower die core (4), a casting mechanism (5), a depressurization cooling mechanism (6), an ejection mechanism (7) and an inclined core pulling mechanism (8), wherein at least one upper die cavity (201) and at least one lower die cavity (401) which are opposite are respectively arranged on the upper die core (2) and the lower die core (4), the die casting die is characterized in that the inclined core pulling mechanism (8) is provided with two groups, two opposite sides of the upper die holder (1) and the lower die holder (3) are provided with an upper mounting area (101) and a lower mounting area (301) for mounting the two inclined core pulling mechanisms (8), the inclined core pulling mechanism (8) comprises a horizontal sliding component, an inclined needle pulling component and an oil cylinder (801), the horizontal sliding component comprises a flat sliding block (802), a piston rod of the oil cylinder (801) is connected with the flat sliding block (802), one side of the flat sliding block (802) is provided with a block (8021), the hook block (8021) is provided with an inclined section (80 a) and the inclined section (80 a) which is inclined upwards or is inclined downwards, the inclined sliding block (803) is obliquely arranged relative to a horizontal plane, a push-pull groove (8031) is formed in the inclined sliding block (803), the push-pull groove (8031) is sleeved on the butt joint position of the inclined section (8021 a) and the horizontal section (8021 b) of the hook block (8021), and the needle drawing assembly is arranged on the upper end face and the lower end face of the inclined sliding block (803) and penetrates through the upper mold core (2), the lower mold core (4) and the upper mold cavity (201) and the lower mold cavity (401).

2. The die casting die for manufacturing an aluminum metal bracket with double inclined core pulling function according to claim 1, wherein the inner wall of the push-pull groove (8031) comprises an upper chute surface (8031 a), a lower chute surface (8031 b) and a flat chute surface (8031 c), the upper chute surface (8031 a) and the lower chute surface (8031 b) are vertically opposite and respectively matched with the upper end surface and the lower end surface of an inclined section (8021 a) of the hooking block (8021), and the flat chute surface (8031 c) is positioned on one side of the upper chute surface (8031 a) or the lower chute surface (8031 b) and is jointed with the horizontal section (8021 b) of the hooking block (8021).

3. The die casting die for manufacturing an aluminum metal bracket and having double-inclined core pulling functions according to claim 1, wherein the traverse assembly further comprises a smooth seat (804) and a slide block pressing plate (805), the smooth seat (804) is provided with an inner cavity (8041) formed along the length direction of the smooth seat, step surfaces (8041 a) are formed on two opposite side walls of the inner cavity (8041), the slide block pressing plate (805) is provided with two groups, the two slide block pressing plates (805) are erected on the two step surfaces (8041 a), a flat slideway (806) is formed among the slide block pressing plate (805), the step surfaces (8041 a) and the bottom wall of the inner cavity (8041), the smooth block (802) is arranged in the inner cavity (8041), two sides of the smooth block pressing plate are in sliding connection with the smooth slideway (806), the oil cylinder (801) is arranged on the smooth seat (804) on one side of the inner cavity (8041), and a piston rod of the oil cylinder (801) extends into the inner cavity (8041) to be connected with the smooth block (802).

4. The die casting die for manufacturing the aluminum metal bracket with double inclined core pulling according to claim 3, wherein a limiting groove (8022) is formed in one side, opposite to the oil cylinder (801), of the smooth block (802), the limiting groove (8022) is T-shaped and matched with the end part of a piston rod of the oil cylinder (801), and the end part of the piston rod of the oil cylinder (801) is embedded in the limiting groove (8022).

5. The die casting die for manufacturing an aluminum metal bracket and having double inclined core pulling functions according to claim 1, wherein the inclined core pulling mechanism (8) further comprises a cover plate (807) and inclined sliding seats (808), the cover plate (807) is covered below the upper installation area (101) and above the lower installation area (301), the inclined sliding seats (808) are provided with two groups, two inclined sliding seats (808) are opposite and are arranged at one side, close to the upper installation area (101) and the lower installation area (301), of the cover plate (807) at intervals, inclined sliding tracks (8081) with the inclination consistent with that of the inclined sliding seats (803) are arranged on the inclined sliding seats (808), and two sides of the inclined sliding seats (803) are slidably connected in the inclined sliding tracks (8081).

6. The die casting die for manufacturing an aluminum metal bracket and having double inclined core pulling functions according to claim 5, wherein the inclined core pulling mechanism (8) further comprises a stopper (809), the stopper (809) is arranged between the two inclined sliding seats (808) and connected with the cover plate (807), and the stopper (809) is opposite to a hook block (8021) of the horizontal sliding mechanism flat sliding block (802).

7. The die casting die for manufacturing an aluminum metal bracket and having double inclined core pulling functions according to claim 1, wherein the needle drawing assembly comprises a bottom plate (810), a top plate (811), a needle sleeve (812) and a needle insert (813), wherein the bottom plate (810) and the top plate (811) are overlapped on the inclined sliding block (803), the needle sleeve (812) is arranged on the top plate (811), and the needle insert (813) is arranged in the needle sleeve (812) and extends outwards into the upper cavity (201) and the lower cavity (401).

8. The die casting die for manufacturing an aluminum metal bracket and with double inclined core pulling functions according to claim 1, wherein the upper die cavity (201) and the lower die cavity (401) are two, the casting mechanism (5) comprises a casting hopper (501), a main runner (502) and branch runners (503), the casting hopper (501) is arranged on an upper die holder (1), the main runner (502) and the branch runners (503) are arranged between the two lower die cavities (401) of the lower die core (4), the main runner (502) is arranged along the length direction of the lower die cavities (401), one end of the main runner (502) is communicated with the discharging end of the casting hopper (501), the branch runners (503) are multiple, each branch runner (503) is distributed along the length direction of the main runner (502), and two ends of the branch runners (503) are respectively communicated with the main runner (502) and the lower die cavities (401).

9. The die casting die for manufacturing an aluminum metal bracket and with double inclined core pulling functions according to claim 1, wherein a plurality of overflow grooves (402) are formed in an upper die core (2) and a lower die core (4), the overflow grooves (402) are arranged at intervals along the length direction of a lower die cavity (401), the depressurization cooling mechanism (6) comprises pressure release channels (601), the pressure release channels (601) are equal to the overflow grooves (402), one end of each pressure release channel (601) is communicated with the corresponding overflow groove (402), and the other end of each pressure release channel penetrates through the outer wall of a lower die holder (3) to be communicated with an external space.

10. The die casting die for manufacturing the aluminum metal bracket and with double inclined core pulling functions according to claim 1, wherein the depressurization cooling mechanism (6) comprises a liquid inlet water feeder (602), a liquid outlet water feeder (603) and a cooling liquid pipeline penetrating through an upper die holder (1), an upper die core (2), a lower die holder (3) and a lower die core (4), the liquid inlet water feeder (602) and the liquid outlet water feeder (603) are respectively arranged on the water inlet end and the water outlet end of the cooling pipeline, a plurality of branch water supplementing pipes (6021) and branch water draining pipes (6031) are respectively arranged on the liquid inlet water feeder (602) and the liquid outlet water feeder (603), and the branch water supplementing pipes (6021) and the branch water draining pipes (6031) are controlled by branch water supplementing valves (6022) and branch water draining pipes (6032).