CN219852076U - Two-in-one forming die for manufacturing metal special-shaped pipe fitting and adjusting fitting thereof - Google Patents

Abstract

The utility model relates to a two-in-one forming die for manufacturing a metal special-shaped pipe fitting and an adjusting part thereof, which comprises an upper die holder, an upper die core, a lower die holder, a lower die core, a casting mechanism, a depressurization cooling mechanism, a core pulling mechanism and an ejection mechanism, wherein the casting mechanism comprises a casting hopper, two groups of upper pipe fitting cavities and upper part cavities are formed on the upper die core, corresponding lower pipe fitting cavities and lower part cavities are formed on the lower die core, the core pulling mechanism comprises a front core pulling assembly, a rear core pulling assembly and two groups of side wing core pulling assemblies which are arranged on different side walls of the lower die holder, the front core pulling assembly comprises a main guide plate, a material distributing cone is formed on the main guide plate, and the casting hopper is sleeved on the material distributing cone. According to the technical scheme, the die casting die can avoid the large volume increase of the die on the premise of simultaneously forming two groups of metal special-shaped pipe fittings and adjusting accessories, so that the production efficiency can be obviously improved, the production cost is reduced, and the production space can be reasonably utilized.

Description

Two-in-one forming die for manufacturing metal special-shaped pipe fitting and adjusting fitting thereof

Technical Field

The utility model relates to the technical field of die casting dies, in particular to a two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting fittings thereof.

Background

The die casting process is a metal casting process realized by means of a die casting die, and particularly, the process of injecting molten metal or alloy into the die for cooling and solidifying can manufacture high-precision, high-strength and high-wear-resistance parts through the die casting process, so that the die casting process is widely applied to the fields of automobiles, motorcycles, electronics, household appliances and the like.

As shown in fig. 1 and 2, a metal special-shaped pipe fitting 11 of a display bracket and an adjusting fitting 12 thereof are shown in fig. 3, wherein two opposite end surfaces of the metal special-shaped pipe fitting 11 are respectively formed with a horizontally-oriented plugging pipe body 111 and a plugging hole 112, one side of the metal special-shaped pipe fitting 11 is hollow and inwards recessed to form a horizontally-oriented cavity 113, two sides of the cavity 113 are provided with longitudinal through holes 114, one end of the adjusting fitting 12 extends out of two opposite butt joint arms 121, a horizontally-oriented butt joint groove 122 is formed between the two butt joint arms 121, and the butt joint groove 122 is provided with a butt joint hole 123 penetrating through the upper end surface and the lower end surface of the butt joint groove.

Because the shapes, volumes and other elements of the metal special-shaped pipe fitting and the adjusting fitting are completely different, the existing method is to directly configure two sets of different die-casting dies to respectively mold, the die core of the existing conventional die-casting die is generally only provided with a single die cavity, namely, in unit time, only one group of metal special-shaped pipe fitting and the adjusting fitting thereof can be molded by using two sets of die-casting dies, the molding efficiency is low, and the production cost is high because of the configuration of the two sets of dies.

However, the problem that the die-casting mold with double cavities still exists is that the die-casting mold with double cavities can be only used for molding metal special-shaped pipe fittings or adjusting fittings, namely can only be used for molding parts of the same type, so that two sets of different molds still need to be configured for molding during production, the high mold configuration cost can not optimize the production cost expenditure, in addition, the number of the shape cavities can enlarge the mold core size and the whole mold volume, and each shape cavity also needs to be provided with a corresponding set of core-pulling mechanisms due to the existence of horizontally-oriented slots and holes on the metal special-shaped pipe fittings and the adjusting fittings, so that the volume of the die-casting mold can be further increased, and the production space is severely occupied.

Disclosure of Invention

Aiming at the situation, in order to overcome the problems that when the existing die casting die is used for forming the metal special-shaped pipe fittings and the adjusting fittings shown in the figures 1 and 2, two sets of dies are required to be configured for forming respectively, so that the production cost is high, and the die volume is greatly increased along with the increase of the number of the die cavities and the core pulling mechanisms, so that the production space is seriously squeezed, the utility model aims to provide the forming die which can avoid the great increase of the die volume on the premise of simultaneously forming the two sets of metal special-shaped pipe fittings and the adjusting fittings, further remarkably improve the production efficiency, reduce the production cost and more reasonably utilize the production space.

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

the two-in-one forming die comprises an upper die base and an upper die core of an upper die, a lower die base and a lower die core of a lower die, and a casting mechanism, a depressurization cooling mechanism, a core pulling mechanism and an ejection mechanism, wherein the casting mechanism comprises a casting hopper, two groups of upper pipe fitting cavities and upper part cavities are formed on the upper die core, lower pipe fitting cavities and lower part cavities which are equal in number and correspond to the upper pipe fitting cavities and the upper part cavities one by one are formed on the lower die core, the core pulling mechanism comprises a front core pulling component and a rear core pulling component, two groups of side wing core pulling components are arranged on one group of opposite side walls of the lower die base, the front core pulling component is opposite to the casting hopper up and down, the two side wing core pulling components are arranged on the other group of opposite side walls of the lower die base, the front core pulling component comprises a main guide plate, a distributing cone is formed on the main guide plate, and the casting hopper is sleeved on the distributing cone.

Preferably, the two upper fitting mold cavities and the lower fitting mold cavities are respectively positioned between the two upper pipe fitting mold cavities and the two lower pipe fitting mold cavities, and the two upper fitting mold cavities and the two lower fitting mold cavities are positioned at one sides of the upper mold core and the lower mold core, which are away from the pouring hopper.

Preferably, the front core-pulling assembly further comprises two front auxiliary guide plates, a front limit baffle, a front sliding block seat and a front sliding block core, wherein the two front auxiliary guide plates are arranged on two sides of the main guide plate and form a front slideway in front of the main guide plate, the two front limit baffles are transversely arranged at one end of the front slideway and connected with the main guide plate and the front auxiliary guide plate, the two front sliding block seats are slidably connected in the front slideway, and the two front sliding block cores are arranged on the two front sliding block seats and are inserted from the front ends of the upper pipe fitting cavity and the lower pipe fitting cavity.

Preferably, the back core-pulling assembly comprises a back sliding block seat, a back limiting baffle, two back guide plates and a first back sliding block core, wherein the two back guide plates are arranged at intervals, a back sliding rail is formed between the two back sliding block seats, the back limiting baffle is transversely arranged at one end of the back sliding rail and connected with the two back guide plates, the back sliding block seat is slidably connected in the back sliding rail, and the two first back sliding block cores are arranged on the back sliding block seat and are inserted from the back ends of the upper pipe fitting cavity and the lower pipe fitting cavity.

Preferably, the rear core-pulling assembly further comprises an oil cylinder, two second rear slide block cores and a third rear slide block core, wherein the output end of the oil cylinder is connected with the rear limit baffle, the two second rear slide block cores are arranged on a rear slide block seat between the two first rear slide block cores, the third rear slide block cores are in one-to-one correspondence with the second rear slide block cores and are arranged on the corresponding second rear slide block cores, and the second rear slide block cores and the third rear slide block cores are inserted into the upper accessory cavity and the lower accessory cavity.

Preferably, the side wing core pulling assembly comprises a side wing sliding block seat, side wing limiting baffles, a side wing sliding block core and two side wing guide plates, wherein the side wing guide plates are arranged at intervals, a side wing sliding rail is formed between the side wing sliding block and the side wing sliding block, the side wing limiting baffles are transversely arranged at one end of the rear sliding rail and are connected with the side wing guide plates, the side wing sliding block seat is slidably connected in the side wing sliding rail, and the side wing sliding block core is arranged on the side wing sliding block seat and is inserted from the side directions of the upper pipe fitting cavity and the lower pipe fitting cavity.

Preferably, the casting mechanism further comprises a first upper gate and a second upper gate which are arranged on the upper mold core, and a pouring gate, a first lower gate and a second lower gate which are arranged on the lower mold core, wherein the first upper gate and the second upper gate are respectively communicated with the upper pipe fitting cavity and the upper accessory cavity, the pouring gate is positioned between the two lower pipe fitting cavities and the lower accessory cavity, the first lower gate and the second lower gate are respectively communicated with the lower pipe fitting cavities and the lower accessory cavity, and the pouring gate is simultaneously communicated with the discharge end of the pouring hopper, the first lower gate and the second lower gate.

Preferably, the pouring gate comprises a first pouring gate and a second pouring gate, one end of the first pouring gate is a converging end communicated with the discharging end of the pouring hopper, the other end of the first pouring gate is a bifurcation end communicated with the first downsprue on two sides, and two ends of the second pouring gate form bifurcation and are respectively communicated with the bifurcation end of the first pouring gate and the two second downsprues.

Preferably, the lower mold core is also provided with a plurality of overflow grooves, and the overflow grooves are distributed on the peripheral sides of the lower pipe fitting cavity and the lower accessory cavity.

Preferably, the depressurization cooling mechanism comprises pressure relief channels and cooling liquid pipelines, the pressure relief channels are equal in number to the overflow grooves, one end of each pressure relief channel is communicated with the corresponding overflow groove, the other end of each pressure relief channel penetrates through the outer wall of the lower die holder to be communicated with the external space, and the cooling liquid pipelines penetrate through the upper die holder, the upper die core, the lower die holder and the lower die core simultaneously.

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

(1) During die casting, a single set of die casting die can be used for simultaneously die casting two sets of metal special-shaped pipes and two sets of adjusting accessories in unit time, so that the die casting efficiency is greatly improved, two sets of different die casting dies are not required to be configured for the metal special-shaped pipe fitting and the adjusting accessories for die casting, and further the die configuration cost can be remarkably saved.

(2) The material splitting cone is positioned on the main guide plate of the front core-pulling assembly of the core-pulling mechanism instead of being directly arranged on the parting surface of the lower die holder, so that the space between all parts of the front core-pulling assembly can be reduced, the transverse space occupied by the front core-pulling assembly on the lower die holder is correspondingly reduced, further, the requirement on the wide size of the upper die holder and the lower die holder in configuration is reduced, the volume of the die-casting die can be reduced, and the production space can be more reasonably utilized.

Drawings

FIG. 1 is a schematic view of the overall structure of a metal profile tube formed by a die casting die;

FIG. 2 is a schematic view of the overall structure of an adjustment fitting for the metal profile tube formed by a die casting die;

FIG. 3 is a schematic view showing an assembled structure of the metal profile tube and the adjustment fitting formed by the die casting die;

FIG. 4 is a schematic view of the overall structure of the die casting die of the present utility model;

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 of the overall structure of the upper die core of the die casting die of the present utility model;

FIG. 7 is a schematic view showing the overall structure of a lower die of the die casting die of the present utility model;

FIG. 8 is a schematic view of the overall structure of the lower die core of the die casting die of the present utility model;

fig. 9 is a schematic cross-sectional structure of the die casting die of the present utility model;

FIG. 10 is a schematic view showing the overall structure of the die casting mold of the present utility model after the die casting mold is die-cast;

fig. 11 is an enlarged schematic view of the portion a of fig. 10 according to the present utility model.

As shown in the figure:

1. an upper die holder; 2. an upper mold core; 21. a pipe fitting cavity; 22. an upper fitting cavity; 3. a lower die holder; 4. a lower mold core; 41. a lower pipe fitting cavity; 42. a lower fitting cavity; 43. an overflow trough; 5. a casting mechanism; 51. a pouring hopper; 52. a first runner; 53. a second upper gate; 54. a first downsprue; 55. a second downsprue; 56. a first runner; 57. a second runner; 6. a depressurization cooling mechanism; 61. a pressure relief channel; 62. a coolant line; 7. an ejection mechanism; 8. a front core-pulling assembly; 81. a main guide plate; 81a, a material dividing cone; 82. a front auxiliary guide plate; 83. a front limit baffle; 84. a front slider seat; 85. a front slider core; 9. a rear core-pulling assembly; 91. a rear slider seat; 92. a rear limit baffle; 93. a rear guide plate; 94. a first rear slider core; 95. an oil cylinder; 96. a second rear slider core; 97. a third rear slider core; 10. a side wing core pulling assembly; 101. a side wing slider seat; 102. a flank limit baffle; 103. a side wing slider core; 104. a flank guide plate; 11. a metal special-shaped pipe fitting; 111. an insertion pipe body; 112. a plug hole; 113. a cavity; 114. a through hole; 12. an adjustment fitting; 121. a docking arm; 122. a butt joint groove; 123. and (5) butting 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. 4, 5, 7 and 9, the present utility model relates to a two-in-one forming die for manufacturing a metal shaped pipe and an adjusting fitting thereof, which comprises an upper die holder 1 and an upper die core 2 which form an upper die, a lower die holder 3 and a lower die core 4 which form a lower die, and a casting mechanism 5, a depressurization cooling mechanism 6, a core pulling mechanism and an ejection mechanism 7, wherein the casting mechanism 5, the depressurization cooling mechanism 6, the core pulling mechanism, the ejection mechanism 7 and the guiding mechanism are located in a common structure in the existing die casting die, the functions of which are consistent with the functions of the similar structures in the existing die casting die and are not repeated herein, and particularly, the casting mechanism comprises a pouring hopper 51, and when the metal shaped pipe 11 and the adjusting fitting 12 are die-cast, molten metal liquid blanks are injected from a feeding end of the pouring hopper 51, the upper die core 2 of the die casting die is provided with an upper pipe fitting cavity 21 and an upper accessory cavity 22 which are taken as upper die cavities, the lower die core 4 is provided with a lower pipe fitting cavity 41 and a lower accessory cavity 42 which are taken as lower die cavities, the upper pipe fitting cavity 21 is vertically opposite to the lower pipe fitting cavity 41, the upper accessory cavity 22 is vertically opposite to the lower accessory cavity 42, the upper pipe fitting cavity 21 and the lower pipe fitting cavity 41 form a complete pipe fitting cavity when the die is closed, the pipe fitting cavity is used for die casting forming of the metal special-shaped pipe fitting 11, the upper accessory cavity 22 and the lower accessory cavity 42 form a complete accessory cavity, the accessory cavity is used for die casting forming of the adjusting accessory 12, the upper pipe fitting cavity 21 and the upper accessory cavity 22 are respectively provided with two, it is understood that the lower pipe fitting cavity 41 and the lower accessory cavity 42 are respectively equal in number and keep one-to-one correspondence with the upper pipe fitting cavity 21 and the upper accessory cavity 22, when in die-casting molding, a single set of die-casting mold can be used for simultaneously die-casting two sets of metal special-shaped pipes and two sets of adjusting fittings 12 in unit time, so that the die-casting molding efficiency is greatly improved, two sets of different die-casting molds are not required to be configured for the metal special-shaped pipe fitting 11 and the adjusting fittings 12 for die-casting molding, and the cost of die configuration can be remarkably saved;

the core-pulling mechanism comprises a front core-pulling component 8, a rear core-pulling component 9 and two groups of side wing core-pulling components 10, wherein the front core-pulling component 8 and the rear core-pulling component 9 are arranged on one group of opposite side walls of the lower die holder 3, the front core-pulling component 8 and the rear core-pulling component 9 are positioned on the same straight line and keep positive, the two side wing core-pulling components 10 are arranged on the other group of opposite side walls and keep positive on the same straight line, the front core-pulling component 8 is also kept to be opposite up and down with a pouring hopper 51 of the pouring mechanism, more specifically, the front core-pulling component 8 comprises a main guide plate 81, the main guide plate 81 is opposite up and down with the pouring hopper 51, a material distributing cone 81a is formed on the main guide plate 81, the pouring hopper 51 is sleeved on the material distributing cone 81a, so it can be understood that the main guide plate 81 is used as a shared structure between the pouring mechanism and the front core-pulling component 8 of the core-pulling mechanism, compared with the prior die casting die in which the material splitting cone 81a is directly formed on the lower die holder 3, the parts of the core pulling assembly of the core pulling mechanism on the side have to be independently arranged on two sides of the material splitting cone 81a, so that the lower die holder 3 with larger width is required to be selected, correspondingly, an upper die frame with the same width as the lower die frame is required to be configured, the whole die volume is greatly increased, and the problem of serious extrusion of production space is solved, and based on the arrangement, the space between the parts of the front core pulling assembly 8 can be reduced, so that the transverse space occupied by the front core pulling assembly 8 on the lower die holder 3 is reduced, and further, the wide size requirements on the upper die holder 1 and the lower die holder 3 during configuration are reduced, so that the volume of the die casting die can be reduced, and the production space can be more reasonably utilized.

As shown in fig. 5 to 8 and 11, the two upper fitting mold cavities 22 and the lower fitting mold cavity 42 are respectively located between the two upper pipe mold cavities 21 and the lower pipe mold cavity 41, the two upper fitting mold cavities 22 and the lower fitting mold cavity 42 are located at one side of the upper mold core 2 and the lower mold core 4, which is away from the casting hopper 51, and the two upper fitting mold cavities 22 are surrounded by the two upper pipe mold cavities 21, the two lower fitting mold cavities 42 are surrounded by the two lower pipe mold cavities 41 as a whole, and the mold of the utility model can be correspondingly reduced in volume by using the space between the two upper pipe mold cavities 21 in a mode that the two upper fitting mold cavities 22 are arranged outside the two upper pipe mold cavities 21 and the two lower fitting mold cavities 42 are arranged outside the two lower pipe mold cavities 41.

As shown in fig. 4, 7 and 9 to 11, the front core-pulling assembly 8 further includes, in addition to the main guide plate 81, two front auxiliary guide plates 82, a front limit baffle 83, a front slide block seat 84 and a front slide block core 85, where the two front auxiliary guide plates 82 are disposed on two sides of the main guide plate 81, the two front auxiliary guide plates 82 and the main guide plate 81 keep a space therebetween, the space between the front auxiliary guide plates 82 and the main guide plate 81 forms a front slide, it is understood that the number of front slides is two, the two front limit baffle 83 corresponds to the front slide one by one and is transversely disposed at one end of the corresponding front slide, specifically, transversely disposed at one end of the front slide facing away from the lower die holder 3 and is connected with the main guide plate 81 and the front auxiliary guide plate 82, one end of the corresponding front slide facing away from the lower die holder 3 is closed, the two front slide block seats 84 also correspond to the front slide one by one, each is slidingly connected to the corresponding front slide, the two front slide block cores 85 are in one-to-one correspondence with the front slide block seats 84, the front slide block cores 85 are arranged on the corresponding front slide block seats 84, the front slide block cores 85 are inserted from the front ends of the upper pipe fitting cavity 21 and the lower pipe fitting cavity 41, the two front slide block cores 85 are used for die casting forming of the metal special-shaped pipe fitting 11 inserting pipe body 111, the front slide block seats 84 can drive the connected front slide block cores 85 to slide horizontally synchronously when sliding along the front slide way, further, the front slide block seats 84 reciprocate between the abutting joint position and the disengaging abutting joint position of the upper pipe fitting cavity 21 and the lower pipe fitting cavity 41, after die casting forming is finished, the transverse core pulling of the inserting pipe body 111 is realized, the front limit baffle 83 can be used for preventing the front slide block seat 84 from sliding and passing the position, in addition, based on the arrangement, under the condition that the distributing cone 81a is arranged on the main guide plate 81, the two front auxiliary guide plates 82, the front slide block seats 84 and the front limit baffle 83 are closer to the main guide plate 81 in space, the occupied transverse space of the front core-pulling assembly 8 is reduced, meanwhile, the front sliding block seats 84 on two sides share one main guide plate 81, the number of parts of the front core-pulling assembly 8 is reduced, and the configuration cost of the die casting die is reduced.

As shown in fig. 4, fig. 7 and fig. 9 to fig. 11, the back core pulling assembly 9 includes a back slide seat 91, a back limit baffle 92, two back guide plates 93 and a first back slide core 94, wherein the two back guide plates 93 are arranged at intervals and form a back slide therebetween, the back limit baffle 92 is transversely arranged at one end of the back slide, specifically transversely arranged at one end of the back slide, which is away from the lower die holder 3, and connected with the two back guide plates 93, one end of the back slide, which is away from the lower die holder 3, is sealed, the back slide seat 91 is slidably connected in the back slide, the two first back slide cores 94 are arranged on the back slide seat 91 and inserted from the back ends of the upper pipe cavity 21 and the lower pipe cavity 41, the two first back slide cores 94 are used for die casting forming of the plug holes 112 of the metal special-shaped pipe 11, when the back slide seat 91 slides along the back slide, the connected first back slide cores 94 can be driven to slide horizontally synchronously, and further reciprocate between the butt joint positions and the butt joint positions of the upper pipe cavity 21 and the lower pipe cavity 41, and the butt joint positions of the back slide core pulling holes 112 are realized after die casting forming is completed, and the back slide cores 92 can be used for preventing the back slide seat from sliding beyond the butt joint positions.

As shown in fig. 4, 7 and 9 to 11, the back core-pulling assembly 9 further includes an oil cylinder 95, two second back slider cores 96 and a third back slider core 97, the output end of the oil cylinder 95 is connected with the back limit baffle 92, the two second back slider cores 96 are disposed on the back slider seat 91 between the two first back slider cores 94, the third back slider cores 97 are in one-to-one correspondence with the second back slider cores 96 and are disposed on the corresponding second back slider cores 96, the second back slider cores 96 and the third back slider cores 97 are inserted into the upper fitting cavity 22 and the lower fitting cavity 42, it should be mentioned that the two second back slider cores 96 are block-shaped, the third back slider core 97 is columnar, the second back slider core 96 is used for die casting forming of the adjusting fitting 12 butt joint arm 121 and the butt joint groove 122, the third back slider core 97 is used for die casting forming of the butt joint hole 123 when the back slider seat 91 slides along the rear slide way, the rear slide block seat 91 can synchronously drive the second rear slide block core 96 and the third rear slide block core 97 which are connected to synchronously slide horizontally, so that the rear slide block seat 91 is required to move under the triple action of holding force borne by the first rear slide block core 94, the second rear slide block core 96 and the third rear slide block core 97, the transverse core pulling of the butt joint groove 122 and the butt joint hole 123 is realized after the die casting forming is finished, the core pulling of the metal special-shaped pipe fitting 11 and the adjusting fitting 12 can be simultaneously carried out from the rear side based on the arrangement, the die casting forming efficiency is greatly improved, and the core pulling of the metal special-shaped pipe fitting 11 and the adjusting fitting 12 is required to be simultaneously carried out, so that the rear slide block seat 91 is required to move under the triple action of holding force borne by the first rear slide block core 94, the second rear slide block core 96 and the third rear slide block core 97, and the rear slide block seat 91 can be easily controlled by the arrangement of the oil cylinder 95 to move, and the core pulling is smooth.

As shown in fig. 4, fig. 7 and fig. 9 to fig. 11, the side wing core pulling assembly 10 includes a side wing slider seat 101, a side wing limit baffle 102, a side wing slider core 103 and two side wing guide plates 104, wherein the side wing guide plates 104 are arranged at intervals, and form a side wing slide therebetween, the side wing limit baffle 102 is transversely arranged at one end of the rear slide, specifically, transversely arranged at one end of the side wing slide, which is away from the lower die holder 3, and connected with the side wing guide plates 104, the side wing slide is closed at one end of the side wing slide, which is away from the lower die holder 3, the side wing slider seat 101 is slidably connected in the side wing slide, the side wing slider core 103 is arranged on the side wing slider seat 101, and is laterally inserted from the upper tube cavity 21 and the lower tube cavity 41, the side wing slider core 103 is used for die casting forming of the metal special-shaped tube 11 cavity 113, and when the rear slider seat 91 slides along the rear slide, the connected side wing slider core 103 can be driven to horizontally slide synchronously, and then reciprocate between the butt joint position and the butt joint position of the upper tube cavity 21 and the lower tube cavity 41, after die casting forming is completed, the side wing core pulling baffle 102 can be used for preventing the side wing slider seat 101 from sliding beyond the butt joint position.

As shown in fig. 5 to 8 and 11, the pouring mechanism includes, in addition to the pouring hoppers 51, a first upper gate 52, a second upper gate 53, and a runner, a first lower gate 54 and a second lower gate 55, which are provided on the upper core 2, and are provided on the lower core 4, it is understood that the number of the first upper gate 52, the second upper gate 53, the first lower gate 54 and the second lower gate 55 is respectively in one-to-one correspondence with the upper pipe cavity 21, the upper fitting cavity 22, the lower pipe cavity 41 and the lower fitting cavity 42, that the first upper gate 52 and the second upper gate 53 are respectively in communication with the upper pipe cavity 21 and the upper fitting cavity 22, that the runner is provided between the two lower pipe cavities 41 and the lower fitting cavity 42, that the first lower gate 54 and the second lower gate 55 are respectively in communication with the lower pipe cavity 41 and the lower fitting cavity 42, that in the die casting, the blank is first poured from the feed end of the pouring hoppers 51, that the flow paths of the pouring hoppers are first and then the first lower gate and the second lower gate 54 and the second lower runner 55 are respectively in part of the upper pipe cavity 22, and the metal liquid is fed into the upper fitting cavity 52 and the upper fitting cavity 52 as the metal liquid flows into the upper fitting cavity 52 and the lower fitting cavity 52.

As shown in fig. 7, 8 and 11, the channel is composed of a first runner 56 and a second runner 57, wherein one end of the first runner 56 is a converging end communicated with the discharge end of the pouring hopper 51, the other end is a diverging end communicated with the first lower gates 54 on both sides, both ends of the second runner 57 form a bifurcation, the diverging ends close to the first runner 56 are communicated with the diverging ends of the first runner 56, during die casting, blanks flowing into the diverging ends of the first runner 56 are converged into the second runner 57 along the diverging ends of the second runner 57 respectively communicated, the diverging ends on the other side of the second runner 57 are communicated with the second lower gates 55 on both sides, and the molten metal blanks can be ensured to be completely injected into the upper pipe cavity 21, the upper fitting cavity 22, the lower pipe cavity 41 and the lower fitting cavity 42 on both sides based on the above arrangement.

As shown in fig. 7, 8 and 11, the lower mold core 4 is further provided with a plurality of overflow grooves 43, the overflow grooves 43 are distributed on the peripheral sides of the lower pipe fitting cavity 41 and the lower fitting cavity 42, and the overflow grooves 43 have the function of controlling the flow of the blank in the die-casting molding process, ensuring that the blank is smoothly filled into the upper pipe fitting cavity 21, the upper fitting cavity 22, the lower pipe fitting cavity 41 and the lower fitting cavity 42, reducing the gas and defects generated in the working process of the die-casting mold, controlling the flow speed of the blank, avoiding the extrusion of excessive blank when the blank is injected into the cavity, and avoiding the waste of materials.

As shown in fig. 4, 7, 8 and 11, the depressurization cooling mechanism 6 comprises pressure release channels 61 and cooling liquid lines 62, wherein one end of each pressure release channel 61 is communicated with the corresponding overflow groove 43, the other end of each pressure release channel 61 is communicated with the outer wall of the corresponding overflow groove 43, the other end of each pressure release channel is communicated with the outer space of the corresponding lower die holder 3, the pressure release channels 61 are used for discharging gas and bubbles in the die cavity, preventing the generation of bubbles, discharging smoke and hot gas generated by molten metal, reducing the temperature of the die cavity, guaranteeing the quality of die casting, simultaneously reducing the pressure and impact in the die cavity, reducing the risk of damaging the die casting die, and the cooling liquid lines 62 are communicated with the upper die holder 1, the upper die core 2, the lower die holder 3 and the lower die core 4 at the same time, and are used for reducing the temperature of the upper die cavity 21, the upper die cavity 22, the lower die cavity 41 and the lower die cavity 42 of the metal special-shaped pipe fitting 11 and the adjusting fitting 12 during die casting.

With reference to fig. 4 to 11, the upper mold core 2 and the lower mold core 4 of the die casting mold of the present utility model are provided with an upper pipe cavity 21, a lower pipe cavity 41 for die casting the metal special-shaped pipe 11, and an upper fitting cavity 22 and a lower fitting cavity 42 for die casting the adjusting fitting 12, and the number of the upper pipe cavity 21, the upper fitting cavity 22, the lower pipe cavity 41 and the lower fitting cavity 42 is two, so that the die casting molding of the two sets of metal special-shaped pipe 11 and the adjusting fitting 12 can be simultaneously performed in unit time, the die casting molding efficiency can be greatly improved, the cost of the mold configuration is saved, meanwhile, the parting cone 81a is located on the main guide plate 81 of the front core-pulling component 8 of the core-pulling mechanism and not directly located on the parting surface of the lower mold base 3, so that the distance between the two sets of the front auxiliary guide plate 82, the front slide block seat 84, the front limit baffle 83 and the main guide plate 81 of the front core-pulling component 8 is reduced, and the two slide block seats of the front core-pulling component 8 share the main guide plate 81, and further, the transverse space occupied by the front core-pulling component 8 on the lower mold base 3 is reduced, and the die casting molding space occupied by the lower mold base 3, the die casting molding efficiency can be greatly improved, and the overall size of the die casting mold core die can be further reduced, and the overall size of the die casting mold can be further improved by the size of the die casting mold can be ensured, and the size of the die casting mold is further reduced, and the size of the size is further, and the size compared with the size of the die 2.

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 two-in-one forming die for manufacturing the metal special-shaped pipe fitting and the adjusting part thereof comprises an upper die holder (1) and an upper die core (2) of the upper die, a lower die holder (3) and a lower die core (4) of the lower die, a casting mechanism (5), a depressurization cooling mechanism (6), a core pulling mechanism and an ejection mechanism (7), wherein the casting mechanism (5) comprises a casting hopper (51), the two groups of upper pipe fitting die cavities (21) and upper part die cavities (22) are arranged on the upper die core (2), a lower pipe fitting die cavity (41) and a lower part die cavity (42) which are equal in number and correspond to the upper pipe fitting die cavity (21) and the upper part die cavity (22) one by one are arranged on the lower die core (4), the core pulling mechanism comprises a front core pulling component (8) and a rear core pulling component (9), two groups of flank core pulling components (10), the front core pulling component (8) and the rear core pulling component (9) are arranged on one group of opposite core pulling side walls of the lower die holder (3), the front core pulling component (8) is opposite to the casting hopper (51), the two groups of lower core pulling components (3) are opposite to each other on the opposite side wall of the upper die holder (81) and the front side wall (81) is provided with a guide plate opposite to the front side wall (81), the pouring hopper (51) is sleeved on the material distributing cone (81 a).

2. The two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting fittings thereof according to claim 1, wherein two upper fitting die cavities (22) and lower fitting die cavities (42) are respectively positioned between two upper pipe fitting die cavities (21) and lower pipe fitting die cavities (41), and two upper fitting die cavities (22) and lower fitting die cavities (42) are positioned on one sides of an upper die core (2) and a lower die core (4) which are away from a pouring hopper (51).

3. The two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting fittings thereof according to claim 1, wherein the front core pulling assembly (8) further comprises two front auxiliary guide plates (82), a front limit baffle (83), a front sliding block seat (84) and a front sliding block core (85), the two front auxiliary guide plates (82) are arranged on two sides of the main guide plate (81) and form a front slideway in front of the main guide plate (81), the two front limit baffle (83) is transversely arranged at one end of the front slideway and connected with the main guide plate (81) and the front auxiliary guide plate (82), the two front sliding block seats (84) are slidably connected in the front slideway, and the two front sliding block cores (85) are arranged on the two front sliding block seats (84) and are inserted from the front ends of the upper pipe fitting cavity (21) and the lower pipe fitting cavity (41).

4. The two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting fittings thereof according to claim 1, wherein the rear core pulling assembly (9) comprises a rear sliding block seat (91), a rear limiting baffle plate (92), two rear guide plates (93) and a first rear sliding block core (94), the two rear guide plates (93) are arranged at intervals, a rear slideway is formed between the two rear limiting baffle plates, the rear limiting baffle plate (92) is transversely arranged at one end of the rear slideway and connected with the two rear guide plates (93), the rear sliding block seat (91) is slidably connected in the rear slideway, and the two first rear sliding block cores (94) are arranged on the rear sliding block seat (91) and are inserted from the rear ends of the upper pipe fitting cavity (21) and the lower pipe fitting cavity (41).

5. The two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting accessories thereof according to claim 4, wherein the rear core pulling assembly (9) further comprises an oil cylinder (95), two second rear slider cores (96) and a third rear slider core (97), the output end of the oil cylinder (95) is connected with a rear limit baffle (92), the two second rear slider cores (96) are arranged on a rear slider seat (91) between the two first rear slider cores (94), the third rear slider cores (97) are in one-to-one correspondence with the second rear slider cores (96) and are arranged on the corresponding second rear slider cores (96), and the second rear slider cores (96) and the third rear slider cores (97) are inserted into an upper accessory cavity (22) and a lower accessory cavity (42).

6. The two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting fittings thereof according to claim 1, wherein the side wing core pulling assembly (10) comprises a side wing sliding block seat (101), side wing limiting baffles (102), side wing sliding block cores (103) and two side wing guide plates (104), the two side wing guide plates (104) are arranged at intervals, a side wing slideway is formed between the two side wing sliding block cores, the side wing limiting baffles (102) are transversely arranged at one end of the rear slideway and connected with the two side wing guide plates (104), the side wing sliding block seat (101) is slidably connected in the side wing slideway, and the side wing sliding block cores (103) are arranged on the side wing sliding block seat (101) and are laterally inserted from the upper pipe fitting cavity (21) and the lower pipe fitting cavity (41).

7. The two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting fittings thereof according to claim 1, wherein the casting mechanism (5) further comprises a first upper gate (52) and a second upper gate (53) which are arranged on the upper die core (2), and a pouring gate, a first lower gate (54) and a second lower gate (55) which are arranged on the lower die core (4), wherein the first upper gate (52) and the second upper gate (53) are respectively communicated with the upper pipe fitting cavity (21) and the upper fitting cavity (22), the pouring gate is positioned between the two lower pipe fitting cavities (41) and the lower fitting cavity (42), and the first lower gate (54) and the second lower gate (55) are respectively communicated with the lower pipe fitting cavity (41) and the lower fitting cavity (42), and are simultaneously communicated with a discharging end of the pouring hopper (51), the first lower gate (54) and the second lower gate (55).

8. The two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting fittings thereof according to claim 7, wherein the pouring gate comprises a first pouring gate (56) and a second pouring gate (57), one end of the first pouring gate (56) is a converging end communicated with a discharging end of the pouring hopper (51), the other end is a bifurcation end communicated with first downgates (54) on two sides, and two ends of the second pouring gate (57) form bifurcation and are respectively communicated with the bifurcation end of the first pouring gate (56) and two second downgates (55).

9. The two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting fittings thereof according to claim 1, wherein a plurality of overflow grooves (43) are further formed on the lower die core (4), and the overflow grooves (43) are distributed on the peripheral sides of the lower pipe fitting die cavity (41) and the lower fitting die cavity (42).

10. The two-in-one forming die for manufacturing metal special-shaped pipe fittings and adjusting fittings thereof according to claim 1, wherein the depressurization cooling mechanism (6) comprises pressure relief channels (61) and cooling liquid pipelines (62), the pressure relief channels (61) are equal in number to overflow grooves (43), one end of each pressure relief channel (61) is communicated with the corresponding overflow groove (43), the other end of each pressure relief channel penetrates through the outer wall of the lower die holder (3) to be communicated with an external space, and the cooling liquid pipelines (62) penetrate through the upper die holder (1), the upper die core (2), the lower die holder (3) and the lower die core (4) simultaneously.