CN109834244B - Forming die of automobile exhaust pipe - Google Patents
Forming die of automobile exhaust pipe Download PDFInfo
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- CN109834244B CN109834244B CN201910256620.4A CN201910256620A CN109834244B CN 109834244 B CN109834244 B CN 109834244B CN 201910256620 A CN201910256620 A CN 201910256620A CN 109834244 B CN109834244 B CN 109834244B
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Abstract
The invention discloses a forming die of an automobile exhaust pipe, belonging to the technical field of die equipment; a forming die of an automobile exhaust pipe comprises a movable die set, a fixed die set, a movable die cavity, a fixed die cavity, a jet-moving oil cylinder, a material pushing mechanism and a cooling system, wherein a core bent pipe part and a core straight pipe part are arranged in the movable die cavity and the fixed die cavity respectively, the ends, far away from each other, of the core bent pipe part and the core straight pipe part are connected into a bent pipe groove and a straight pipe groove in a sliding mode respectively, and cooling grooves are formed in the core bent pipe part and the core straight pipe part; the invention is convenient for the disassembly of a casting piece, realizes the cooling function in the core extraction process, avoids the problem of exhaust pipe forming quality caused by the adhesion of impurities in the core extraction process due to poor cooling of the core, and can ensure the tightness of the movable die cavity and the fixed die cavity while realizing the close fit of the core elbow part and the core straight pipe part by monitoring the pressure in the air pipe in real time.
Description
Technical Field
The invention relates to the technical field of mold equipment, in particular to a forming mold of an automobile exhaust pipe.
Background
The mold is a tool for industrially obtaining a required product by injection molding, blow molding, extrusion, die casting and the like, has the name of an industrial mother, and has the important position.
After the exhaust pipe is obtained by adopting the casting mold for molding, the exhaust pipe and the mold are separated by adopting a manual mode, the operation is troublesome, the efficiency is low, the strength is not controlled well, the exhaust pipe is easy to deform, the processing quality is influenced, meanwhile, the mold is required to be cooled in the process of separating the exhaust pipe forming piece from the mold so as to ensure that the aluminum is not easy to adhere in the process of drawing out the mold core and ensure the roughness of the surface of the formed exhaust pipe, because of the cylindrical structure of the exhaust pipe, the exhaust pipe has different cooling effects from outside to inside under the action of a common cooling system, the core is closer to the inside, the cooling rate is slower, and the casting continuity of the automobile exhaust pipe is poor, meanwhile, in the exhaust pipe casting process, the tightness between the movable mold and the fixed mold is an important standard for ensuring the forming quality of the exhaust pipe, and the monitoring performance aiming at the connection tightness between the movable mold and the fixed mold in the prior art is deficient.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a forming die for an automobile exhaust pipe.
In order to achieve the purpose, the invention adopts the following technical scheme:
a forming die of an automobile exhaust pipe comprises a movable die set, a fixed die set, a movable die cavity, a fixed die cavity, an injection moving oil cylinder, a material pushing mechanism and a cooling system, wherein a core bent pipe part and a core straight pipe part are arranged in the movable die cavity and the fixed die cavity, a straight pipe groove and a bent pipe groove communicated with the movable die cavity and the fixed die cavity are also formed in the movable die set and the fixed die set, opposite ends of the core bent pipe part and the core straight pipe part are abutted, the ends, far away from each other, of the core bent pipe part and the core straight pipe part are respectively connected in the bent pipe groove and the straight pipe groove in a sliding mode, cooling grooves are respectively formed in the core bent pipe part and the core straight pipe part, the bottoms of the cooling grooves in the core bent pipe part and the core straight pipe part are respectively connected with a conveying bent pipe and a conveying straight pipe through a support, a piston is connected in the cooling groove in a sliding mode, and one ends, and the liquid storage bent pipe and the liquid storage straight pipe are respectively arranged in the bent pipe groove and the straight pipe groove, the bent pipe groove and the straight pipe groove are both communicated with an air pipe, and one end of the air pipe penetrating through the movable module is provided with an air valve.
Preferably, the pressure gauge acts on the tracheal lumen.
Preferably, the pressure gauge is in signal connection with a computer display terminal.
Preferably, the pushing mechanism mainly comprises a driving source and a push rod, the driving end of the driving source is connected with the push rod, the push rod is inserted into the movable module, and the pushing end of the push rod acts on the movable die cavity.
Preferably, the cooling system mainly comprises a cooling liquid tank, a water pump and a cooling pipe, the cooling liquid tank is connected to the top of the movable module, the water pumping end of the water pump acts on the cooling liquid tank, the water outlet end of the water pump is connected with the cooling pipe, the liquid return end of the cooling pipe penetrates through the movable module to be connected with the cooling liquid tank, and the insertion end of the cooling pipe is abutted to the cavity of the movable mold.
Preferably, the cooling liquid tank, the liquid storage straight pipe and the liquid storage elbow pipe are filled with cooling liquid.
Preferably, a sliding rod is connected between the movable die set and the fixed die set in a sliding mode, and a feeding hole is formed in the fixed die set.
Preferably, the capacities of the liquid storage elbow pipe and the liquid storage straight pipe are the same as the capacity of the cooling tank.
Preferably, the air pipe is connected with an air pump through an air valve.
Preferably, the notch of the cooling groove is connected with a limiting ring.
Compared with the prior art, the invention provides a forming die of an automobile exhaust pipe, which has the following beneficial effects:
1. this forming die of automobile exhaust pipe, in the blast pipe forming process, it moves the hydro-cylinder to drive the movable mould group along the slide bar towards the direction of cover half group to remove through the drive jet, until the movable mould group offsets with the cover half group, under the normal pressure state, because of the gravity of coolant liquid itself, the coolant liquid in stock solution straight tube and the stock solution return bend flows into the cooling bath through carrying straight tube and transport return bend, it is bloated in the trachea to be followed the pneumatic valve through the air pump, make the pressure increase of trachea inner chamber, drive core bent tube portion and core straight tube portion and slide along bent tube groove and straight tube groove respectively, it offsets until core bent tube portion and the opposite one end of core straight tube portion offset, measure the pressure in the trachea through the pressure gauge, in order to realize the inseparable laminating of core bent tube portion and core straight tube portion, help improving the fashioned accuracy of automobile.
2. The forming die of the automobile exhaust pipe comprises a piston, a liquid storage elbow pipe, a liquid storage straight pipe, a core straight pipe part, a movable die cavity, a fixed die cavity, a water pump, an air valve, a gas pump, a gas valve, a gas exhaust end, a gas valve, a cooling system and a cooling system, wherein the piston moves towards the position of a notch of the cooling tank, the cooling liquid in the liquid storage elbow pipe and the liquid storage straight pipe gradually flows towards the cooling tank along with the movement of the piston, the cooling liquid enters the cooling tank to cool the elbow pipe part and the inner cavity of the core straight pipe part which are just used, the cooling effect is improved, the air pump continues to bleed, offset until piston and spacing ring, then drive core bent pipe portion and core straight tube portion and slide along the return bend groove with the straight tube groove respectively, realize the function of accomodating of core bent pipe portion and core straight tube portion, realize that core bent pipe portion and core straight tube portion take out from the cooling function of in-process, help avoiding because core bent pipe portion and the inside cooling effect of core straight tube portion core are bad to take out from in-process adhesion impurity, and the blast pipe shaping quality's that leads to problem, the fashioned stability has been improved, help guaranteeing the fashioned roughness of blast pipe.
3. This forming die of vehicle vent-pipe moves the module through penetrating moving the hydro-cylinder, combines the push rod on the pushing mechanism to realize the ejection of compact function of blast pipe.
4. The forming die of the automobile exhaust pipe is characterized in that in the forming process of the exhaust pipe, air is blown into the air pipe through the air valve through the air pump, so that the pressure of an inner cavity of the air pipe is increased, the core bent pipe part and the core straight pipe part are driven to slide along the bent pipe groove and the straight pipe groove respectively until opposite ends of the core bent pipe part and the core straight pipe part are abutted, the pressure in the air pipe is measured through the pressure gauge, the pressure data measured by the pressure gauge is timely fed back to a computer display terminal connected with a signal of the pressure gauge, the change curve of the pressure in the air pipe along with time is displayed by combining with the feedback time, when the set pressure is reached, the air pump stops working, when the data fed back by the pressure gauge is basically stable along with the change of the time, the feeding is carried out through the feed port, if the pressure data fed back by the pressure gauge gradually decreases along with the time, the bonding, the injection oil cylinder is controlled to further increase the fitting performance of the movable module and the fixed module, so that the tight fitting of the core bent pipe part and the core straight pipe part is realized, the sealing performance of the movable mold cavity and the fixed mold cavity can be guaranteed, and the improvement of the precision of the automobile exhaust pipe forming is facilitated.
Drawings
FIG. 1 is a schematic structural diagram of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 2 is a schematic structural diagram of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 3 is a schematic structural diagram of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 4 is a schematic structural diagram of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 5 is a schematic view of a connection structure of a movable mold set of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 6 is a schematic view of a connection structure of a fixed mold set of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 7 is a schematic view of a connecting structure of a core bent pipe portion and a core straight pipe portion of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 8 is an exploded view of a core bent pipe portion and a core straight pipe portion of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 9 is an exploded view of a core bent pipe portion and a core straight pipe portion of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 10 is a schematic view showing a connecting structure of a core bent pipe portion of a forming mold for an automobile exhaust pipe according to the present invention;
FIG. 11 is a schematic view of a connecting structure of a core straight pipe portion of a forming die for an automobile exhaust pipe according to the present invention;
fig. 12 is a system block diagram of the connection between the pressure gauge of the forming mold of the automobile exhaust pipe and the computer display terminal according to the present invention.
In the figure: 1. a movable module; 2. fixing a module; 3. an ejection moving oil cylinder; 4. a core elbow; 5. a core straight tube portion; 6. a straight pipe groove; 7. a pipe bending groove; 8. a cooling tank; 9. a support; 10. conveying bent pipes; 11. conveying a straight pipe; 12. a liquid storage elbow; 13. a liquid storage straight pipe; 14. an air tube; 15. an air valve; 16. a slide bar; 17. a limiting ring; 18. a drive source; 19. a push rod; 20. a coolant tank; 21. a water pump; 22. a cooling tube; 23. a feed inlet; 24. a piston.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-11, a forming die of an automobile exhaust pipe comprises a movable die set 1, a fixed die set 2, a movable die cavity, a fixed die cavity, a jet moving oil cylinder 3, a material pushing mechanism and a cooling system, wherein a core elbow part 4 and a core straight pipe part 5 are arranged in the movable die cavity and the fixed die cavity, a straight pipe groove 6 and a bent pipe groove 7 communicated with the movable die cavity and the fixed die cavity are further dug on the movable die set 1 and the fixed die set 2, opposite ends of the core elbow part 4 and the core straight pipe part 5 are abutted, mutually far ends of the core elbow part 4 and the core straight pipe part 5 are respectively connected in the elbow groove 7 and the straight pipe groove 6 in a sliding manner, cooling grooves 8 are dug on the core elbow part 4 and the core straight pipe part 5, the bottoms of the cooling grooves 8 on the core elbow part 4 and the core straight pipe part 5 are respectively connected with a conveying elbow pipe 10 and a conveying straight pipe 11 through a support, one end, far away from each other, of each of the conveying bent pipe 10 and the conveying straight pipe 11 is connected with a liquid storage bent pipe 12 and a liquid storage straight pipe 13 in a sliding mode respectively, the liquid storage bent pipe 12 and the liquid storage straight pipe 13 are arranged in the bent pipe groove 7 and the straight pipe groove 6 respectively, air pipes 14 are communicated with the bent pipe groove 7 and the straight pipe groove 6 respectively, and an air valve 15 is arranged at one end, penetrating through the movable module 1, of each air pipe 14;
the pressure gauge is acted on the inner cavity of the trachea 14;
the pushing mechanism mainly comprises a driving source 18 and a push rod 19, the driving end of the driving source 18 is connected with the push rod 19, the push rod 19 is inserted in the movable module 1, and the pushing end of the push rod 19 acts on the movable die cavity;
the cooling system mainly comprises a cooling liquid tank 20, a water pump 21 and a cooling pipe 22, wherein the cooling liquid tank 20 is connected to the top of the movable module 1, the water pumping end of the water pump 21 acts on the cooling liquid tank 20, the water outlet end of the water pump 21 is connected with the cooling pipe 22, the liquid return end of the cooling pipe 22 penetrates through the movable module 1 to be connected with the cooling liquid tank 20, and the insertion end of the cooling pipe 22 abuts against the cavity of the movable mold;
the cooling liquid tank 20, the liquid storage straight pipe 13 and the liquid storage bent pipe 12 are filled with cooling liquid;
a sliding rod 16 is connected between the movable module 1 and the fixed module 2 in a sliding way, and a feeding hole 23 is arranged on the fixed module 2;
the capacities of the liquid storage bent pipe 12 and the liquid storage straight pipe 13 are the same as the capacity of the cooling tank 8;
the notch of the cooling groove 8 is connected with a limiting ring 17;
in the process of forming the exhaust pipe, the injection oil cylinder 3 is driven to drive the movable module 1 to move towards the fixed module 2 along the slide rod 16 until the movable module 1 is abutted against the fixed module 2, under the normal pressure state, because of the gravity of the cooling liquid, the cooling liquid in the liquid storage straight pipe 13 and the liquid storage bent pipe 12 flows into the cooling tank 8 through the conveying straight pipe 11 and the conveying bent pipe 10, the air is blown towards the air pipe 14 through the air valve 15 by the air pump which is not shown in the air pump drawing, so that the pressure intensity of the inner cavity of the air pipe 14 is increased, the core bent pipe part 4 and the core straight pipe part 5 are driven to respectively slide along the bent pipe groove 7 and the straight pipe groove 6 until the opposite ends of the core bent pipe part 4 and the core straight pipe part 5 are abutted, the pressure intensity in the air pipe 14 is not shown in the pressure intensity gauge drawing, so as to realize the close fit of the core bent pipe part 4 and the core straight pipe part, meanwhile, in the process of pressurization, the piston 24 moves towards the bottom of the cooling tank 8, the cooling liquid in the cooling tank 8 is respectively pressed into the liquid storage bent pipe 12 and the liquid storage straight pipe 13, the pressurization is stopped afterwards, automobile exhaust pipe forming raw materials are put into the cavity formed by the core bent pipe part 4, the core straight pipe part 5, the movable mold cavity and the fixed mold cavity through the feed inlet 23, after the feeding of the casting raw materials is finished, the cooling liquid is pumped into the cavity from the cooling liquid tank 20 to the cooling pipe 22 through the water pump 21 in the cooling system to realize the cooling function of the movable mold cavity, then the air valve 15 is released to reduce the pressure in the air pipe 14, the air is pumped out from the air pipe 14 through the air valve 15 through the air pumping end not shown in the air pump diagram, so that the interior of the air pipe 14 is changed into a negative pressure state, the piston 24 moves towards the position of the notch of the cooling tank 8, the cooling liquid in the liquid storage bent pipe 12 and the liquid storage, the cooling liquid enters the cooling tank 8 to cool the inner cavities of the core bent pipe part 4 and the core straight pipe part 5 which are just used, the cooling effect is improved, the air pump is not shown in the figure to continue pumping until the piston 24 abuts against the limiting ring 17, then the core elbow part 4 and the core straight pipe part 5 are driven to respectively slide along the elbow groove 7 and the straight pipe groove 6, the storage function of the core elbow part 4 and the core straight pipe part 5 is realized, the cooling function in the process of drawing the core elbow part 4 and the core straight pipe part 5 is realized, the adhesion of impurities in the process of drawing the core elbow part 4 and the core straight pipe part 5 due to poor temperature reduction effect in the core is avoided, and the problem of the blast pipe shaping quality that leads to has improved fashioned stability, helps guaranteeing the fashioned roughness of blast pipe, moves movable mould group 1 through penetrating moving hydro-cylinder 3 at last, combines push rod 19 on the pushing mechanism to realize the ejection of compact function of blast pipe.
Example 2:
referring to fig. 1-12, a forming die of an automobile exhaust pipe, which comprises a movable die set 1, a fixed die set 2, a movable die cavity, a fixed die cavity, a jet moving oil cylinder 3, a material pushing mechanism and a cooling system, wherein a core elbow part 4 and a core straight pipe part 5 are respectively arranged in the movable die cavity and the fixed die cavity, a straight pipe groove 6 and an elbow groove 7 which are communicated with the movable die cavity and the fixed die cavity are also dug on the movable die set 1 and the fixed die set 2, opposite ends of the core elbow part 4 and the core straight pipe part 5 are propped against each other, mutually far ends of the core elbow part 4 and the core straight pipe part 5 are respectively connected in the elbow groove 7 and the straight pipe groove 6 in a sliding manner, cooling grooves 8 are dug on the core elbow part 4 and the core straight pipe part 5, the bottoms of the cooling grooves 8 on the core elbow part 4 and the core straight pipe part 5 are respectively connected with a conveying elbow pipe 10 and, a piston 24 is connected in the cooling groove 8 in a sliding manner, one end, away from each other, of the conveying bent pipe 10 and the conveying straight pipe 11 is respectively connected with a liquid storage bent pipe 12 and a liquid storage straight pipe 13 in a sliding manner, the liquid storage bent pipe 12 and the liquid storage straight pipe 13 are respectively arranged in the bent pipe groove 7 and the straight pipe groove 6, the bent pipe groove 7 and the straight pipe groove 6 are both communicated with an air pipe 14, and one end, through the movable module 1, of the air pipe 14 is provided with an air valve 15;
the pressure gauge is acted on the inner cavity of the trachea 14;
the pressure gauge is in signal connection with a computer display terminal;
in the process of forming the exhaust pipe, the injection oil cylinder 3 is driven to drive the movable module 1 to move towards the fixed module 2 along the slide rod 16 until the movable module 1 is abutted against the fixed module 2, under the normal pressure state, because of the gravity of the cooling liquid, the cooling liquid in the liquid storage straight pipe 13 and the liquid storage bent pipe 12 flows into the cooling tank 8 through the conveying straight pipe 11 and the conveying bent pipe 10, the air is blown towards the air pipe 14 through the air valve 15 by the air pump which is not drawn in the air pump drawing, so that the pressure intensity of the inner cavity of the air pipe 14 is increased, the core bent pipe part 4 and the core straight pipe part 5 are driven to respectively slide along the bent pipe groove 7 and the straight pipe groove 6 until the opposite ends of the core bent pipe part 4 and the core straight pipe part 5 are abutted, the pressure intensity in the air pipe 14 is measured by not drawn in the pressure intensity meter drawing, the pressure intensity data measured by the pressure intensity meter is timely fed back to the computer display terminal connected with the, the change curve of the pressure in the air pipe 14 along with time is displayed, when the set pressure is reached, the air pump is not shown to stop working, when the change of the data fed back by the pressure gauge along with the time is basically stable, feeding is carried out through the feed inlet 23, if the pressure data fed back by the pressure gauge along with the time is gradually reduced, the bonding performance of the movable die set 1 and the fixed die set is poor, the jet moving oil cylinder 3 is controlled to further increase the bonding performance of the movable die set 1 and the fixed die set 2, the tight bonding of the core bent pipe part 4 and the core straight pipe part 5 is realized, meanwhile, the sealing performance of the movable die cavity and the fixed die cavity can be ensured, and the precision of automobile exhaust pipe forming is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A forming die of an automobile exhaust pipe comprises a movable die set (1), a fixed die set (2), a movable die cavity, a fixed die cavity, a jet-moving oil cylinder (3), a material pushing mechanism and a cooling system, and is characterized in that the movable die cavity and the fixed die cavity are both provided with a core elbow part (4) and a core straight pipe part (5), the movable die set (1) and the fixed die set (2) are also provided with a straight pipe groove (6) and an elbow groove (7) communicated with the movable die cavity and the fixed die cavity, one opposite ends of the core elbow part (4) and the core straight pipe part (5) are abutted, one ends of the core elbow part (4) and the core straight pipe part (5) which are far away from each other are respectively connected in the elbow groove (7) and the straight pipe groove (6) in a sliding manner, the core elbow part (4) and the core straight pipe part (5) are both provided with a cooling groove (8), and the notch of the cooling groove (8) is connected with a, the cooling device is characterized in that the bottoms of cooling grooves (8) on the core elbow part (4) and the core straight pipe part (5) are respectively connected with a conveying elbow pipe (10) and a conveying straight pipe (11) through a support (9), a piston (24) is connected in the cooling grooves (8) in a sliding manner, the piston (24) is respectively connected with the conveying elbow pipe (10) and the conveying straight pipe (11), one ends, far away from each other, of the conveying elbow pipe (10) and the conveying straight pipe (11) are respectively connected with a liquid storage elbow pipe (12) and a liquid storage straight pipe (13) in a sliding manner, the conveying elbow pipe (10) and the conveying straight pipe (11) respectively slide in the liquid storage elbow pipe (12) and the liquid storage straight pipe (13), cooling liquid is contained in the liquid storage elbow pipe (12) and the liquid storage straight pipe (13), and the cooling liquid in the liquid storage straight pipe (13) and the liquid storage elbow pipe (12) flows into the cooling grooves (, the liquid storage bent pipe (12) and the liquid storage straight pipe (13) are respectively arranged in the bent pipe groove (7) and the straight pipe groove (6), the bent pipe groove (7) and the straight pipe groove (6) are communicated with an air pipe (14), and one end of the air pipe (14) penetrating through the movable module (1) is provided with an air valve (15); the air valve (15) blows air towards the interior of the air pipe (14), so that the pressure of the inner cavity of the air pipe (14) is increased, the core elbow part (4) and the core straight pipe part (5) are driven to slide along the elbow groove (7) and the straight pipe groove (6) respectively until the opposite ends of the core elbow part (4) and the core straight pipe part (5) are abutted, so that the core elbow part (4) and the core straight pipe part (5) are tightly attached, meanwhile, in the pressurizing process, the piston (24) moves towards the bottom of the cooling groove (8) to press cooling liquid in the cooling groove (8) into the liquid storage elbow pipe (12) and the liquid storage straight pipe (13) respectively, then pressurization is stopped, automobile exhaust pipe forming raw materials are put into a cavity formed by the core elbow part (4), the core straight pipe part (5), the movable mold cavity and the fixed mold cavity, and after the casting raw materials are fed, the cooling function of the movable mold cavity is realized through the cooling system, then the air valve (15) is loosened, the pressure in the air pipe (14) is reduced, air is extracted from the air pipe (14) through the air valve (15), the air pipe (14) is changed into a negative pressure state, the piston (24) moves towards the position of the cooling tank (8), cooling liquid in the liquid storage bent pipe (12) and the liquid storage straight pipe (13) gradually flows towards the cooling tank (8) along with the movement of the piston (24), the cooling liquid enters the cooling tank (8) to cool the inner cavities of the core bent pipe part (4) and the core straight pipe part (5) which are just used until the piston (24) is abutted against the limiting ring (17), then the core bent pipe part (4) and the core straight pipe part (5) are driven to respectively slide along the bent pipe groove (7) and the straight pipe groove (6), the storage functions of the core bent pipe part (4) and the core straight pipe part (5) are realized, and the cooling function in the extraction process of the core bent pipe part (4) and the core straight pipe part (5) is, and finally, the movable module is moved through the ejection moving oil cylinder (3).
2. The forming die for the automobile exhaust pipe as claimed in claim 1, further comprising a pressure gauge, wherein the pressure gauge acts on an inner cavity of the air pipe (14).
3. The mold according to claim 2, further comprising a computer display terminal, wherein the pressure gauge is connected to the computer display terminal by a signal.
4. The forming die for the automobile exhaust pipe as claimed in claim 1, wherein the pushing mechanism mainly comprises a driving source (18) and a push rod (19), the driving end of the driving source (18) is connected with the push rod (19), the push rod (19) is inserted into the movable die set (1), and the pushing end of the push rod (19) acts on the movable die cavity.
5. The forming die of the automobile exhaust pipe according to claim 1, characterized in that the cooling system mainly comprises a cooling liquid tank (20), a water pump (21) and a cooling pipe (22), the cooling liquid tank (20) is connected to the top of the movable die set (1), the water pumping end of the water pump (21) acts on the cooling liquid tank (20), the water outlet end of the water pump (21) is connected to the cooling pipe (22), the liquid return end of the cooling pipe (22) passes through the movable die set (1) to be connected to the cooling liquid tank (20), and the insertion end of the cooling pipe (22) abuts against the cavity of the movable die.
6. The forming die for the exhaust pipe of the automobile as claimed in claim 5, wherein the coolant tank (20) contains coolant.
7. The forming die for the automobile exhaust pipe as claimed in claim 1, wherein a sliding rod (16) is slidably connected between the movable die set (1) and the fixed die set (2), and a feeding hole (23) is formed in the fixed die set (2).
8. The forming die of the automobile exhaust pipe according to claim 1, characterized in that the capacities of the liquid storage elbow (12) and the liquid storage straight pipe (13) are the same as the capacity of the cooling tank (8).
9. The forming die for the exhaust pipe of the automobile as claimed in claim 1, wherein the air pipe (14) is connected with an air pump through an air valve (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910256620.4A CN109834244B (en) | 2019-04-01 | 2019-04-01 | Forming die of automobile exhaust pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910256620.4A CN109834244B (en) | 2019-04-01 | 2019-04-01 | Forming die of automobile exhaust pipe |
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| CN109834244A CN109834244A (en) | 2019-06-04 |
| CN109834244B true CN109834244B (en) | 2020-07-21 |
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| CN111633197A (en) * | 2020-06-28 | 2020-09-08 | 益阳仪纬科技有限公司 | Aluminum-magnesium alloy antigravity casting forming die for automobile part production |
| CN112355269B (en) * | 2020-11-03 | 2021-11-26 | 江苏富航钢结构有限公司 | Die-casting forming equipment convenient for exhausting and used for machining thin-walled parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH09300415A (en) * | 1996-05-10 | 1997-11-25 | Japan Steel Works Ltd:The | Clamping apparatus for injection molding machine |
| AU2001286264A1 (en) * | 2000-09-25 | 2002-04-02 | J.F.T. Co., Ltd. | Mold cooling device |
| JP2011167706A (en) * | 2010-02-17 | 2011-09-01 | Honda Motor Co Ltd | Equal cooling structure and equal cooling method for casting mold insert |
| CN205497945U (en) * | 2016-01-29 | 2016-08-24 | 浙江中亚实业有限公司 | Injection moulding mould is assisted to automobile cooling water pipe gas |
| CN107178845B (en) * | 2017-06-12 | 2020-03-06 | 广东美的暖通设备有限公司 | Cooling system and cooling method |
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