CN110773715A - Thermal balance system of deep-cavity radiating tooth die inlaying structure - Google Patents

Thermal balance system of deep-cavity radiating tooth die inlaying structure Download PDF

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Publication number
CN110773715A
CN110773715A CN201911146709.1A CN201911146709A CN110773715A CN 110773715 A CN110773715 A CN 110773715A CN 201911146709 A CN201911146709 A CN 201911146709A CN 110773715 A CN110773715 A CN 110773715A
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CN
China
Prior art keywords
die
steel pipe
cooling
heat
heat dissipation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911146709.1A
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Chinese (zh)
Inventor
张莹
饶龙瑾
任怀德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Runxingtai Electrical Equipment Co Ltd
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Zhuhai Runxingtai Electrical Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Runxingtai Electrical Equipment Co Ltd filed Critical Zhuhai Runxingtai Electrical Equipment Co Ltd
Priority to CN201911146709.1A priority Critical patent/CN110773715A/en
Publication of CN110773715A publication Critical patent/CN110773715A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B22D17/2218Cooling or heating equipment for dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/007Semi-solid pressure die casting

Abstract

The invention discloses a heat balance system of a deep-cavity radiating tooth mould inlaying structure, which comprises: the cooling device comprises a mold core and a cooling tooth sheet embedded on the mold core; the mold core is provided with a through steel pipe via hole, the heat dissipation tooth sheets are provided with through holes, the mold core heat dissipation tooth sheets are combined together to form an inlaid heat dissipation tooth sheet group with through holes, the inlaid heat dissipation tooth sheet group is inlaid in the mold core, the through holes of the inlaid heat dissipation tooth sheet group are communicated with the steel pipe via holes of the mold core, a heat balance steel pipe penetrates through the steel pipe via holes, and the mold is in heat balance with external heat exchange through the heat balance steel pipe. According to the thermal balance system of the splicing structure of the deep-cavity radiating tooth die, through holes are respectively drilled in the die core and the radiating tooth sheets spliced in the die core, the radiating tooth sheets are embedded in the die core to form through steel pipe through holes, stainless steel pipes are installed in the steel pipe through holes, and cold water or die temperature oil circularly flows through the stainless steel pipes according to cooling or heating requirements, so that the overall temperature balance of the die is maintained.

Description

Thermal balance system of deep-cavity radiating tooth die inlaying structure
Technical Field
The invention relates to the technical field of dies, in particular to a thermal balance system of a deep-cavity radiating tooth die splicing structure.
Background
The existing technology for solving the problem that the die-casting die is deep in cavity and has heat balance of a radiating tooth splicing structure generally directly drills water conveying holes on radiating tooth inserts, each radiating tooth insert water conveying hole is provided with a sealing groove, and then the radiating tooth inserts are assembled on a die core through sealing rings in sequence. Therefore, not only the water conveying hole on the radiating tooth insert is drilled, but also the sealing groove on each radiating tooth insert is required to be formed, so that the processing time is long, and the processing cost is high; meanwhile, after the sealing ring is arranged, the insert is difficult to assemble on the mold core, so that inconvenience is brought to later assembly; if the sealing is not good, the water leakage is easy to happen in the using process of the die, and the product forming is affected.
Disclosure of Invention
In order to solve the technical problem, the invention provides a thermal balance system of an inlaid structure of a deep-cavity radiating tooth die.
According to one aspect of the present invention, there is provided a thermal balancing system for a deep cavity cooling pin die-insert structure, comprising: the cooling device comprises a mold core and a cooling tooth sheet embedded on the mold core; the mold core is provided with a through steel pipe via hole, the heat dissipation tooth sheets are provided with through holes, the mold core heat dissipation tooth sheets are combined together to form an inlaid heat dissipation tooth sheet group with through holes, the inlaid heat dissipation tooth sheet group is inlaid in the mold core, the through holes of the inlaid heat dissipation tooth sheet group are communicated with the steel pipe via holes of the mold core, a heat balance steel pipe penetrates through the steel pipe via holes, and the mold is in heat balance with external heat exchange through the heat balance steel pipe.
Optionally, the heat balance steel pipe comprises a cooling pipe for taking away heat inside the mold to avoid overhigh temperature inside the mold and a temperature rising pipe for raising local temperature of the mold; the cooling pipe and the temperature rising pipe cooperate to adjust the temperature of the die to achieve the temperature balance of the whole die.
Alternatively, a cooling fluid is circulated through the cooling tube and a heating fluid is circulated through the warm riser.
Optionally, cold water at 20-25 ℃ flows in the cooling pipe in a circulating manner, and warm oil flows in the warm riser in a circulating manner.
Optionally, the centers of circles of the through holes of the heat dissipation fins inlaid with the heat dissipation fin group are on the same straight line.
Optionally, the diameter of the through hole of the heat dissipation tooth piece is the same as that of the steel pipe through hole of the mold core, and the outer diameter of the heat balance steel pipe is the same as that of the steel pipe through hole.
Alternatively, the heat balance steel pipe is a stainless steel pipe.
Optionally, at least one cooling pipe penetrating through the embedded radiating tooth group is arranged on each group of embedded radiating tooth groups.
Optionally, the inlaid radiating tooth sheet group is inlaid in the die core and connected with the die core through screws.
Optionally, the heat sink fins are semi-solid die castings and the die core is a semi-solid die core.
According to the thermal balance system of the splicing structure of the deep-cavity radiating tooth die, through holes are respectively drilled in the die core and the radiating tooth sheets spliced in the die core, the radiating tooth sheets are embedded in the die core to form through steel pipe through holes, stainless steel pipes are installed in the steel pipe through holes, and cold water or die temperature oil circularly flows through the stainless steel pipes according to cooling or heating requirements, so that the overall temperature balance of the die is maintained.
The heat balance system of the inlaying structure of the deep-cavity radiating tooth die does not need to independently process a sealing groove on each radiating tooth, the outer diameter of the stainless steel pipe is the same as the size of the through hole radiating hole of the through steel pipe, effective sealing is realized, the problem of poor sealing can be solved, the water leakage condition is not needed to be worried about, and the heat transfer performance is not influenced.
The heat balance system of the deep-cavity radiating tooth die splicing structure has the advantages of simple structure, simplified processing procedures and assembly time saving, and meanwhile, the good heat conduction performance of the stainless steel pipe can effectively assist in heat dissipation and transfer.
The heat balance system of the deep-cavity radiating tooth die splicing structure is formed by embedding the radiating tooth sheets on the die core, has better heat transfer and radiating effects for semi-solid state process die casting, and is beneficial to heat transfer and radiation of a deep-cavity thin-wall die.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a thermal balance system of a deep cavity cooling fin die insert structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a heat-balanced steel pipe according to an embodiment of the present invention.
Reference numerals: the heat dissipation device comprises a mold core 1, heat dissipation tooth sheets 2, steel pipe through holes 3, heat balance steel pipes 4 and an external connector 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that, in the embodiments and examples of the present application, the feature vectors may be arbitrarily combined with each other without conflict.
As shown in figure 1, the heat balance system of the inlaying structure of the deep-cavity radiating tooth die comprises a die core 1 and radiating tooth sheets 2 inlaid on the die core 1. The mold core 1 is provided with a through steel pipe via hole 3, the heat dissipation tooth sheets 2 are provided with through holes, a plurality of heat dissipation tooth sheets are combined together to form an inlaid heat dissipation tooth sheet group with through holes, and the inlaid heat dissipation tooth sheet group is inlaid in the mold core 1 and is connected with the mold core 1 through screws. The through holes of the inlaid radiating tooth piece group are communicated with the steel pipe through holes 3 of the mold core 1, the heat balance steel pipes 4 penetrate through the steel pipe through holes 3, and the mold is in heat balance with external heat exchange through the heat balance steel pipes 4. Under the condition, the heat exchange between the die and the external condition during the die-casting production is realized through the heat balance steel pipe 4, so that the heat balance of the die is realized, the traditional method of sealing through a sealing ring is replaced, a sealing groove does not need to be independently processed on each radiating tooth, the processing procedures are effectively reduced, and the assembly time is saved.
The circle centers of the through holes of the radiating tooth sheets 2 of the splicing radiating tooth sheet group are on the same straight line, the diameter of the through holes of the radiating tooth sheets 2 is the same as that of the steel pipe through holes 3 of the mold core 1, and the outer diameter of the heat balance steel pipe 4 is the same as that of the steel pipe through holes 3. Under this condition, the heat balance steel pipe 4 realizes effective sealing, can solve sealed not good problem, need not to process the seal groove alone on each heat dissipation tooth 2, need not worry the condition of leaking, and heat transfer performance is not influenced. Preferably, the two ends of the heat balance steel pipe 4 extending out of the mold core 1 are connected with the external joints 5, and under the condition, the external joints 5 further seal the connection part of the heat balance steel pipe 4 and the mold core 1.
Preferably, the heat balance steel pipe 4 is a stainless steel pipe, and under the condition, the service life of the heat balance system is longer.
The heat balance steel pipe 4 comprises a cooling pipe for taking away heat inside the mold to avoid overhigh temperature inside the mold and a temperature rising pipe for increasing local heat of the mold; the cooling pipe and the temperature rising pipe cooperate to adjust the temperature of the die to achieve the temperature balance of the whole die. Cooling liquid circularly flows in the cooling pipe, and heating liquid circularly flows in the warm lifting pipe. As a preferable embodiment, cold water with the temperature of 20-25 ℃ flows in the cooling pipe in a circulating mode to reduce the local heat of the die, die temperature oil with the temperature of 200-250 ℃ flows in the warming pipe to improve the local heat of the die, the temperature of the die is balanced through the cooperative treatment of the cooling pipe and the temperature rising pipe on the temperature of the die, the temperature of each part of the die tends to be uniform, and the die is prevented from cracking due to large temperature difference of each part of the die. Wherein the diameter of the through heat balance steel pipe 4 and the diameter of the steel pipe passing hole 3 are set according to the temperature distribution of the mold, for example, the diameter of the steel pipe passing hole 3 is larger at a position where the mold temperature is higher, and the temperature at the position is reduced by the cooling pipe. Specifically, the size of the heat balance steel pipe may be phi 8, phi 10, phi 12, or the like.
Preferably, each group of the inlaid radiating tooth sheet sets is at least provided with one cooling pipe penetrating through the inlaid radiating tooth sheet sets, and under the condition, the cooling pipes assist the radiating tooth sheets 2 to radiate heat, so that the radiating efficiency of the radiating tooth sheets 2 is effectively improved. More preferably, at least one through cooling pipe is arranged between two adjacent radiating fins 2.
Preferably, the heat dissipation tooth plate 2 is a semi-solid die casting, the die core 1 is a semi-solid die core 1, under the condition, the heat dissipation of the heat dissipation tooth plate 2 and the die core 1 is faster and the heat dissipation efficiency is higher,
it is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.

Claims (10)

1. The utility model provides a heat balance system of dark chamber thermotooth mould inlay structure which characterized in that includes: the heat dissipation device comprises a mold core (1) and heat dissipation tooth sheets (2) embedded on the mold core (1);
set up steel pipe via hole (3) that link up on mold core (1), the through-hole has been seted up on heat dissipation pick (2), and is a plurality of mold core (1) heat dissipation pick (2) and together form the piece group of inlaying heat dissipation pick that the through-hole link up, piece group inlay heat dissipation pick inlay in mold core (1), the link up of piece group of heat dissipation pick the through-hole with mold core (1) steel pipe via hole (3) link up, wear to be equipped with heat balance steel pipe (4) in steel pipe via hole (3), the mould passes through heat balance steel pipe (4) and outside heat exchange and then reach mould heat balance.
2. The thermal balance system of the deep cavity cooling tooth mold insert structure according to claim 1, wherein the thermal balance steel pipe (4) comprises a cooling pipe for taking away heat inside the mold to avoid the temperature inside the mold from being too high and a temperature rising pipe for raising the local temperature of the mold; the cooling pipe and the temperature rising pipe cooperate to adjust the temperature of the die to achieve the temperature balance of the whole die.
3. The thermal balance system for a deep cavity cooling tooth die insert structure according to claim 2, wherein a cooling fluid circulates in the cooling tube, and a heating fluid circulates in the warm riser.
4. The thermal balance system of the deep cavity cooling fin die insert structure according to claim 3, wherein cold water of 20-25 ℃ flows in the cooling pipe in a circulating manner, and warm oil of a circulating flow mode flows in the warm riser pipe.
5. The thermal balancing system of a deep cavity cooling fin die insert structure according to claim 1, wherein the centers of the through holes of the cooling fins (2) of the insert cooling fin group are on the same straight line.
6. The thermal balance system of the deep cavity cooling fin die insert structure according to claim 5, wherein the diameter of the through hole of the cooling fin (2) is the same as the diameter of the steel pipe through hole (3) of the die core (1), and the outer diameter of the thermal balance steel pipe (4) is the same as the diameter of the steel pipe through hole (3).
7. The thermal balance system of the deep cavity cooling fin die insert structure according to claim 6, wherein the thermal balance steel pipe (4) is a stainless steel pipe.
8. The system of claim 2, wherein each set of said cooling fins has at least one cooling tube extending through said set of cooling fins.
9. The thermal balance system of the deep cavity radiating tooth die inlaying structure of claim 8, wherein the inlaying radiating tooth group is inlaid in the die core (1) and connected with the die core (1) through screws.
10. The thermal balance system of the deep cavity cooling fin die-inlaid structure according to any one of claims 1 to 9, wherein the cooling fin (2) is a semi-solid die-casting piece, and the die core (1) is a semi-solid die core.
CN201911146709.1A 2019-11-21 2019-11-21 Thermal balance system of deep-cavity radiating tooth die inlaying structure Pending CN110773715A (en)

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Application Number Priority Date Filing Date Title
CN201911146709.1A CN110773715A (en) 2019-11-21 2019-11-21 Thermal balance system of deep-cavity radiating tooth die inlaying structure

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Application Number Priority Date Filing Date Title
CN201911146709.1A CN110773715A (en) 2019-11-21 2019-11-21 Thermal balance system of deep-cavity radiating tooth die inlaying structure

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CN112792317A (en) * 2020-12-18 2021-05-14 苏州广型模具有限公司 Forming mechanism of new energy machine case fin

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