CN108453235B - Heating device for be used for cast iron pot grey mould die casting in-process to preheat - Google Patents
Heating device for be used for cast iron pot grey mould die casting in-process to preheat Download PDFInfo
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- CN108453235B CN108453235B CN201810092958.6A CN201810092958A CN108453235B CN 108453235 B CN108453235 B CN 108453235B CN 201810092958 A CN201810092958 A CN 201810092958A CN 108453235 B CN108453235 B CN 108453235B
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- die
- heating
- heating cylinder
- die holder
- cast iron
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 79
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 37
- 238000004512 die casting Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 28
- 229910052742 iron Inorganic materials 0.000 abstract description 14
- 239000004576 sand Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005674 electromagnetic induction Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000005266 casting Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a heating device for preheating in the die casting process of a cast iron pot blank die, which comprises a heating cylinder, a lower die, an upper die and a heating cylinder, wherein the lower die, the upper die and the heating cylinder are arranged in the heating cylinder and used for die casting of a cast iron pot blank, the lower die and the upper die are arranged in a stacked manner and can be mutually matched, and the die in the device is heated in an electromagnetic induction heating mode, so that the die is preheated uniformly and slowly before formal die casting, the phenomenon of sand holes or cracks of the die caused by rapid heating is avoided, the service life of the die is prolonged, the preheating effect is good, the die and the die holder are convenient to assemble and disassemble, the die is convenient to preheat and then connected with the die holder, the die is fixed on a connecting rod through the connecting seat, the die is placed in the heating cylinder for heating through the connecting rod, and the die is heated uniformly, so that the phenomenon of nonuniform heating caused by pouring after the die is firstly scalded by molten iron is replaced.
Description
Technical Field
The invention relates to the technical field of a preheating device for a pot blank die-casting die, in particular to a preheating device for preheating in the die-casting process of a cast iron pot blank die.
Background
The die casting process of the cast iron pot blank is very important in the whole production process of the cast iron pot, and the quality of the die cast pot blank directly influences the yield of the final cast iron pot, so that every key technology in the die casting process of the cast iron pot blank is very important. The solidification of metals from liquid to solid is very sensitive to ambient temperature, and the change in different ambient temperatures can cause changes in the internal crystallization of the metal, thereby affecting some of the physical properties of the re-solidified metal.
The casting process of the cast iron pot blank is to melt iron into molten iron, and then cast the molten iron into a casting mold for casting. Before molten iron pouring, the die is required to be preheated in advance, the die casting die needs to be scalded in advance when in use, so that sand holes or cracks cannot be generated when molten iron is poured into the die due to sudden cooling, the traditional heating mode of the cast iron pot blank die casting die is to heat the die in advance by melting molten iron and then pour, the molten iron which is scalded by the die is scrapped and cannot be recycled repeatedly, the preheating mode is faster, but the problems are also caused that firstly, the molten iron for preheating needs to be melted in advance and an operator needs to monitor and operate in the whole process, and a large amount of manpower and production time are consumed; secondly, molten iron used for preheating is the same as molten iron used in formal production, and the preheated molten iron is scrapped randomly after being subjected to die ironing, so that a large amount of resources are wasted, the production cost is indirectly improved, the requirements of national energy conservation and emission reduction green environmental protection are not met, thirdly, the molten iron is high in temperature, the die ironing is directly carried out, the surface temperature of the die is easily and rapidly increased, the internal temperature of the die is excessively slow, the overall heating of the die is uneven, sand holes or cracks are easily generated on cast iron pot blanks processed by the die, and the yield is reduced.
Therefore, the need for a heating device for preheating in the die casting process of a cast iron pot blank die is particularly urgent.
Disclosure of Invention
The invention aims to provide a heating device for preheating in the die casting process of a cast iron pot blank die, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a heating device for preheating in cast iron pot grey mould die-casting process, includes a heating cylinder and sets up lower mould and last mould, the heating cylinder that is used for die-casting cast iron pot base in the heating cylinder is inside, lower mould and last mould are overlapped from top to bottom and are set up and the two can coincide each other, the top laminating of lower mould is equipped with the mould, the upper surface intermediate position of going up the mould and the lower surface intermediate position of lower mould are fixed respectively and are equipped with two connecting seats, every the connecting seat be solid massive body, a side fixed setting is on lower mould or last mould, transversely run through by a connecting rod, every the one end of connecting rod runs through in the both sides of connecting seat and is fixed by two outer hexagon nuts respectively, every the other end of connecting rod is fixed the right flank that sets up at a movable plate, the right flank of movable plate is close to the position of plate both ends is provided with two blotters, the another side of blotter is fixed the setting on the section of thick bamboo wall of a heating cylinder, the opposite side and a fixing base fixed connection of heating cylinder, evenly be provided with on the outer wall of heating cylinder each spiral heating coil is closely formed by a plurality of same spiral wire.
Preferably, the outside of last mould and lower mould still is provided with the die holder, the die holder is including the upper die holder that is located the upper die top and the die holder that is located the lower mould below, upper die holder and die holder are the symmetry setting, the upper die holder includes a die seat board and sets up the connecting block at die holder board lower surface intermediate position, be located between connecting block on the upper die holder and the connecting seat on the upper die holder through a screw rod and two outer hexagon screw fixation, the die holder includes a die holder board and sets up the connecting block at die seat board upper surface intermediate position, be located between connecting block on the lower die holder and the connecting seat on the lower die holder through a screw rod and two outer hexagon screw fixation, the screw rod runs through connecting seat and connecting block setting simultaneously, two outer hexagon screw passes through threaded fit connection at the both ends of screw rod.
Preferably, the right side of the movable plate is connected with an air cylinder through a telescopic rod, and the air cylinder is fixedly arranged on a fixed plate on the left side of the movable plate.
Preferably, the heating cylinder is of a cylindrical structure, and the heating cylinder is sleeved outside the upper die and the lower die.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:
1. according to the heating device for preheating in the die casting process of the cast iron pot blank die, the cast iron pot blank die is heated in an electromagnetic induction heating mode, so that a preheating ring of the cast iron pot blank die before formal die casting can be uniformly and slowly heated, uneven heating of the die due to over-high heating speed can be avoided, the phenomenon that sand holes or cracks are generated on the pot blank during die casting of the pot blank can be avoided, the product qualification rate is improved, the service life of the cast iron pot blank die is prolonged, and a good preheating effect is achieved;
2. According to the heating device for preheating in the die casting process of the cast iron pot blank die, the die and the die holder used in the device are detachably connected, so that the die and the die holder are convenient to disassemble and assemble in the actual operation process, preheating of the cast iron pot blank die and interconnection between the die and the die holder after the die preheating are facilitated, the labor time is saved, and the working efficiency is indirectly improved;
3. according to the heating device for preheating in the die casting process of the cast iron pot blank die, the connecting seat is fixed on the connecting rod, and the die is placed into the heating cylinder for heating through the connecting rod, so that the cast iron pot blank die is uniformly heated, the traditional preheating heating mode of pouring after the die is firstly scalded by molten iron in the prior art is replaced, and the phenomenon of nonuniform heating easily caused by the traditional preheating heating mode is avoided;
4. According to the heating device for preheating in the casting process of the cast iron pot blank mould, the buffer pad is arranged between the moving plate and the heating cylinder, and the heating cylinder and the moving plate are not easy to wear in the process of pushing the upper mould and the lower mould into the heating cylinder, so that the overall service life of the heating device is prolonged.
In summary, the heating device for preheating in the die casting process of the cast iron pan blank die disclosed by the invention has the advantages that the heating mode of the die and the matched mechanical structure design are changed, so that the cast iron pan blank die can be slowly and uniformly heated, the phenomena of low cast iron pan blank yield, short die service life and the like caused by too fast preheating of the cast iron pan blank die are avoided, the structure is simple, the effect is obvious, the design cost is low, the die can be directly modified in the existing cast iron pan blank die, the time and the labor are saved, and the device is suggested to be popularized and used in the industry.
Drawings
FIG. 1 is a schematic view showing the overall structure of a heating device for preheating in the die casting process of a cast iron pot blank die according to the present invention;
fig. 2 is a schematic diagram showing the connection structure of the upper die, the lower die and the die holder in the heating device for preheating in the casting process of the cast iron pot blank die.
In the figure: the die comprises a fixing plate 1, a cylinder 2, a lower die 3, a moving plate 4, an upper die 5, a wire 6, a heating cylinder 7, a fixing seat 8, a first hexagonal nut 9, a connecting seat 10, a connecting rod 11, an upper die holder 12, a connecting block 13, a screw 14, a second hexagonal screw 15, a buffer pad 16 and a lower die holder 17.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides a technical solution:
The utility model provides a heating device for preheating in cast iron pot grey mould die-casting process, includes a heating cylinder 7 and sets up lower mould 3 and last mould 5, the heating cylinder 7 that are used for die-casting cast iron pot grey in heating cylinder 7, lower mould 3 and last mould 5 stack the setting from top to bottom and the two can coincide each other, the top laminating of lower mould 3 is equipped with mould 5, the upper surface intermediate position of upper mould 5 and the lower surface intermediate position of lower mould 3 are fixed respectively and are equipped with two connecting seats 10, every connecting seat 10 all be solid block, a side fixed arrangement is on lower mould 3 or last mould 5, transversely runs through by a connecting rod 11, every connecting rod 11's one end runs through in the both sides of connecting seat 10 respectively by two outer hexagon nuts 9, every connecting rod 11's the other end all is fixed the right flank of a movable plate 4, the right flank of movable plate 4 is close to the position of plate body both ends is provided with two blotters 16, the another side of 16 is fixed the setting on a section of thick bamboo wall 7 of heating cylinder, a plurality of even heating coils are formed by a plurality of heating coils 7, and a plurality of the heating coil fixing seats are all tightly connected to each other side heating coil 7.
Further, the outside of upper die 5 and lower die 3 still is provided with the die holder, the die holder is including the upper die holder 12 that is located upper die 5 top and the die holder 17 that is located the lower die 3 below, upper die holder 12 and die holder 17 are the symmetry setting, upper die holder 12 includes a die holder board and sets up connecting block 13 in die holder board lower surface intermediate position, be located between connecting block 13 on upper die holder 12 and the connecting seat 10 on upper die holder 12 through a screw rod 14 and two outer hexagon screws 15 are fixed, die holder 17 includes a die holder board and sets up connecting block 13 at die holder board upper surface intermediate position, be located between connecting block 13 on the die holder 17 and the connecting seat 10 on the die holder 17 through a screw rod 14 and two outer hexagon screws 15 are fixed, screw rod 14 runs through connecting seat 10 and connecting block 13 simultaneously and sets up, two outer hexagon screws 15 are connected at the both ends of screw rod 14 through the screw thread fit.
Further, the right side surface of the moving plate 4 is connected with an air cylinder 2 through a telescopic rod, and the air cylinder 2 is fixedly arranged on the fixed plate 1 on the left side of the moving plate 4.
Further, the heating cylinder 7 has a cylindrical structure, and the heating cylinder 7 is sleeved outside the upper die 5 and the lower die 3.
Working principle:
The lower die 3 and the upper die 5 are vertically stacked and arranged and can be mutually matched, the upper die 5 is arranged above the lower die 3 in a laminating mode, two connecting seats 10 are respectively fixedly arranged at the middle position of the upper surface of the upper die 5 and the middle position of the lower surface of the lower die 3, each connecting seat 10 is a solid block, one side face is fixedly arranged on the lower die 3 or the upper die 5, one connecting rod 11 transversely penetrates through the connecting seats 10, one end of each connecting rod 11 penetrates through the two sides of the connecting seat 10 and is respectively fixed by two outer hexagon nuts 9, the other end of each connecting rod 11 is fixedly arranged on the right side face of a movable plate 4, two buffer cushions 16 are arranged at positions, close to two ends of the plate body, of the right side face of the movable plate 4, the other side face of each buffer cushion 16 is fixedly arranged on the wall of one side of a heating cylinder 7, the other side face of the heating cylinder 7 is fixedly connected with a fixing seat 8, a plurality of heating coils are uniformly arranged on the outer wall of the heating cylinder 7, and each heating coil is formed by spirally and tightly winding the same wire 6.
Firstly, the two outer hexagon screws 15 on the screw 14 can be removed through the small-sized air cannon, the connecting seat 10 on the upper die 5 and the connecting seat 10 on the lower die 3 are respectively sleeved on the upper connecting rod 11 and the lower connecting rod 11 on the right side of the movable plate 4, the outer hexagon nuts 9 are fixed on the connecting rods 11 through the small-sized air cannon, at the moment, the movable plate 4 is pushed by the air cylinder 2, the upper die 5 and the lower die 3 are sent into the heating cylinder 7, the conducting wires 6 on the heating cylinder 7 are connected, the upper die 5 and the lower die 3 in the heating cylinder 7 can be heated by adopting polytetrafluoroethylene materials through electromagnetic induction, the heat resistance and the wear resistance are good, the abrasion between the movable plate 4 and the heating cylinder 7 in the process of pushing the movable plate 4 is effectively prevented, the service life is long, and the heating cylinder is suitable for popularization.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a heating device for preheat in cast iron pot grey mould die-casting process, includes a heating cylinder (7) and sets up lower mould (3) and last mould (5) that are used for die-casting cast iron pot base in heating cylinder (7) are inside, lower mould (3) and last mould (5) stack up and set up and both can coincide each other, its characterized in that from top to bottom: the upper die (5) is attached to the upper portion of the lower die (3), two connecting seats (10) are fixedly arranged in the middle of the upper surface of the upper die (5) and in the middle of the lower surface of the lower die (3), each connecting seat (10) is a solid block, one end of a connecting rod (11) transversely penetrates through two sides of the connecting seat (10) and is fixed by two first outer hexagonal nuts (9), the other end of each connecting rod (11) is fixedly arranged on the right side face of one movable plate (4), one side face of a buffer pad (16) is fixedly arranged on the cylinder wall on one side of a heating cylinder (7), the other side face of the buffer pad (16) is close to two ends of the right side face of the movable plate (4), the other side of the heating cylinder (7) is fixedly connected with a fixed seat (8), a plurality of heating coils are uniformly arranged on the outer wall of the heating cylinder (7), and each heating coil is tightly wound in a spiral shape by the same wire (6);
The die comprises an upper die (5) and a lower die (3), and is characterized in that a die holder is further arranged on the outer side of the upper die (5) and the outer side of the lower die (3), the die holder comprises an upper die holder (12) positioned above the upper die (5) and a lower die holder (17) positioned below the lower die (3), the upper die holder (12) and the lower die holder (17) are symmetrically arranged, the upper die holder (12) comprises a die holder plate and a connecting block (13) arranged at the middle position of the lower surface of the die holder plate, the connecting block (13) positioned on the upper die holder (12) and the connecting block (10) positioned on the upper die (5) are fixed through a screw rod (14) and two external hexagonal screws (15), the screw rod (14) simultaneously penetrates through the connecting block (13) and the connecting block (10) and is fixed through the two external hexagonal screws (15), and the two external hexagonal screws (15) are arranged at the two ends of the connecting block (13) in a matched mode; the left side face of the moving plate (4) is connected with one end of the air cylinder (2) through a telescopic rod, and the other end of the air cylinder (2) is fixedly connected to the fixed plate (1) positioned on the left side of the moving plate (4).
2. A heating device for preheating in a cast iron pan blank die casting process according to claim 1, characterized in that: the heating cylinder (7) is of a cylindrical structure, and the heating cylinder (7) is sleeved outside the upper die (5) and the lower die (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092958.6A CN108453235B (en) | 2018-01-31 | 2018-01-31 | Heating device for be used for cast iron pot grey mould die casting in-process to preheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810092958.6A CN108453235B (en) | 2018-01-31 | 2018-01-31 | Heating device for be used for cast iron pot grey mould die casting in-process to preheat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108453235A CN108453235A (en) | 2018-08-28 |
| CN108453235B true CN108453235B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810092958.6A Active CN108453235B (en) | 2018-01-31 | 2018-01-31 | Heating device for be used for cast iron pot grey mould die casting in-process to preheat |
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| Country | Link |
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| CN (1) | CN108453235B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355271B (en) * | 2020-10-30 | 2022-05-27 | 中际通达水处理装备研究院(江苏)有限公司 | Heating device for be arranged in corrugated steel plate mould die-casting process to preheat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012170976A (en) * | 2011-02-21 | 2012-09-10 | Toyota Motor Corp | Die preheating device |
| CN105150425A (en) * | 2015-10-12 | 2015-12-16 | 华澳轮胎设备科技（苏州）股份有限公司 | Mould preheating device |
| CN205798328U (en) * | 2016-07-15 | 2016-12-14 | 裘德安 | A kind of forge die preheating device |
| CN107053641A (en) * | 2017-05-23 | 2017-08-18 | 杨秀波 | A kind of compressor housing processing unit (plant) |
| CN206550323U (en) * | 2017-02-06 | 2017-10-13 | 江西吉事达厨房用品有限公司 | A kind of compression molding device of aluminum alloy pan |
| CN206882750U (en) * | 2017-06-27 | 2018-01-16 | 董永明 | A kind of casting iron pan centrifugal casting machine |
| CN208628392U (en) * | 2018-01-31 | 2019-03-22 | 河南中帅金属制品有限公司 | A kind of heating device for being preheated in casting iron pan mold tool press casting procedure |
-
2018
- 2018-01-31 CN CN201810092958.6A patent/CN108453235B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012170976A (en) * | 2011-02-21 | 2012-09-10 | Toyota Motor Corp | Die preheating device |
| CN105150425A (en) * | 2015-10-12 | 2015-12-16 | 华澳轮胎设备科技（苏州）股份有限公司 | Mould preheating device |
| CN205798328U (en) * | 2016-07-15 | 2016-12-14 | 裘德安 | A kind of forge die preheating device |
| CN206550323U (en) * | 2017-02-06 | 2017-10-13 | 江西吉事达厨房用品有限公司 | A kind of compression molding device of aluminum alloy pan |
| CN107053641A (en) * | 2017-05-23 | 2017-08-18 | 杨秀波 | A kind of compressor housing processing unit (plant) |
| CN206882750U (en) * | 2017-06-27 | 2018-01-16 | 董永明 | A kind of casting iron pan centrifugal casting machine |
| CN208628392U (en) * | 2018-01-31 | 2019-03-22 | 河南中帅金属制品有限公司 | A kind of heating device for being preheated in casting iron pan mold tool press casting procedure |
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| CN108453235A (en) | 2018-08-28 |
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Effective date of registration: 20240428 Address after: 364000 Private Science Park, 68 industrial West Road, Xinluo District, Fujian, Longyan Applicant after: Fujian Fengli Machinary Technology Co.,Ltd. Country or region after: China Address before: 467000 east of the middle section of Xingye Road, Jiaxian industrial agglomeration zone, Pingdingshan City, Henan Province Applicant before: HENAN ZHONGSHUAI METAL PRODUCTS Co.,Ltd. Country or region before: China |
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