CN221018552U - Forming die for preventing shrinkage cavity or crack in casting - Google Patents
Forming die for preventing shrinkage cavity or crack in casting Download PDFInfo
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- CN221018552U CN221018552U CN202322777270.0U CN202322777270U CN221018552U CN 221018552 U CN221018552 U CN 221018552U CN 202322777270 U CN202322777270 U CN 202322777270U CN 221018552 U CN221018552 U CN 221018552U
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- sliding connection
- lower mould
- pad
- die
- seted
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- 238000005266 casting Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005336 cracking Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 15
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of die manufacturing and discloses a forming die for preventing shrinkage holes or cracks in castings, which comprises a lower die, wherein a sliding column is fixedly connected to the surface of the top end of the lower die, an upper die is connected to the surface of the sliding column in a sliding manner, a material injection pipe is fixedly connected to the surface of the top end of the upper die, a base plate is arranged on the surface of the top end of the lower die, casting grooves are formed in the surface of the top end of the base plate, support pads are fixedly connected to the surface of the top end of the base plate, a plurality of telescopic grooves are formed in the lower die, the number of the telescopic grooves is four and uniformly distributed at four ends in the lower die, a sealing pad is fixedly connected to the surface of the bottom end of the support pad, and the surface of the bottom end of the sealing pad is in sliding connection with the inner diameter of the telescopic grooves.
Description
Technical Field
The utility model relates to the technical field of die manufacturing, in particular to a forming die for preventing shrinkage holes or cracks in castings.
Background
The mold manufacturing refers to various molds and tools used for injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industrial production to obtain the required products. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The method mainly realizes the processing of the appearance of the article through the change of the physical state of the formed material, so that a forming die for preventing shrinkage holes or cracks in the casting is required to be used.
Chinese patent discloses a forming die (grant bulletin number CN 219522478U), and this patent technology can reach the block through block and block groove's block, makes installation piece and fixed block combine to the concatenation installation of completion mould and bed die that can be quick has saved time, has improved work efficiency, but in general current foundry goods pouring process, the inside of pouring liquid probably has the unable discharge of bubble, and the shrinkage cavity can appear in the foundry goods inside, can influence the use of foundry goods.
Accordingly, a molding die for preventing shrinkage or cracking of the interior of a casting is provided by those skilled in the art to solve the problems set forth in the background art.
Disclosure of utility model
The utility model aims to provide a forming die for preventing shrinkage holes or cracks in castings, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a prevent inside shrinkage cavity of foundry goods or cracked forming die, includes the lower mould, the fixed surface on lower mould top has the traveller, the surface sliding connection of traveller has the mould, the fixed surface on last mould top has the notes material pipe, the backing plate has been seted up on the surface on lower mould top, the foundry goods groove has been seted up on the surface on backing plate top, the fixed surface on backing plate top has the back rest, a plurality of expansion slots have been seted up to the inside of lower mould, the quantity of expansion slot is four and evenly distributed in the four ends of the inside of lower mould, the fixed surface of back rest bottom is connected with sealed the pad, the surface of sealed pad bottom is sliding connection with the internal diameter of expansion slot.
Through above-mentioned technical scheme, when the staff is at foundry goods in-process, in order to prevent that inside shrinkage cavity or crack from appearing, through seting up the expansion tank in the inside of lower mould, when pushing down at last mould through the expansion tank, guarantee the inside airtight of foundry goods.
As still further aspects of the utility model: the surface fixedly connected with pressure spring of expansion tank bottom, the surface fixedly connected with sealing gasket on pressure spring top, pressure spring's surface is sliding connection with the internal diameter of expansion tank.
Through above-mentioned technical scheme, through setting up flexible groove, sealed pad, compression spring isotructure, can seal between last mould and lower mould through sealed pad, prevent that sealed effect from not good causing liquid metal to leak, influence product quality simultaneously, need the later stage to polish again, reduction work efficiency.
As still further aspects of the utility model: the pressure relief plate is arranged in the injection pipe, the pouring gate is arranged in the pressure relief plate, a plurality of pressure relief holes are formed in the surface of the pouring gate, and the number of the pressure relief holes is six.
Through above-mentioned technical scheme, through setting up structures such as pressure release hole, gate, adopt disconnect-type pressure release hole, the too big inflation that takes place of inside atmospheric pressure when effectually avoiding liquid metal pouring.
As still further aspects of the utility model: the inside of lower mould has seted up the open slot, the inside sliding connection of open slot has the spliced pole, the fixed surface on spliced pole top has the liftout board, the fixed surface of spliced pole bottom is connected with the backup pad, the fixed surface of backup pad bottom is connected with the arm-tie.
Through above-mentioned technical scheme, when the staff accomplishes the foundry goods and need carry out the drawing of patterns, the staff upwards promotes the arm-tie, and the backup pad drives the spliced pole and upwards moves, and the spliced pole promotes the surface of liftout board and upwards moves in the inside of open slot, makes the liftout board promote the foundry goods to rise the drawing of patterns, makes things convenient for the staff to carry out quick drawing of patterns to the foundry goods.
As still further aspects of the utility model: the surface fixing on backup pad top is connected with tension spring, the surface fixing on tension spring top is connected with liftout board, tension spring's internal diameter is sliding connection with the surface of spliced pole.
Through above-mentioned technical scheme, through setting up tension spring, make things convenient for the staff to save the manpower when drawing of patterns for the foundry goods, improved the practicality of device.
As still further aspects of the utility model: the inside of open slot has been seted up the spout, the inside sliding connection of spout has the slider, the face in opposite directions of slider fixedly connected with backup pad, the looks back of backup pad is sliding connection with the inside of open slot.
Through above-mentioned technical scheme, through setting up structures such as spout, slider, prevented that the staff from carrying out the drawing of patterns when upwards promoting the foundry goods, the motion track from taking place the skew has improved the stability of device.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, when a worker is in the casting process, in order to prevent internal shrinkage or cracks, the telescopic groove is formed in the lower die, the tightness of the interior of the casting is ensured when the upper die is pressed down through the telescopic groove, and the sealing between the upper die and the lower die can be realized through the arrangement of the telescopic groove, the sealing gasket, the pressure spring and other structures, so that the liquid metal leakage caused by poor sealing effect is prevented, the product quality is influenced, polishing is needed in the later stage, and the working efficiency is reduced.
2. According to the utility model, when the worker finishes demolding of the casting, the worker pushes the pull plate upwards, the support plate drives the connecting column to move upwards, and the connecting column pushes the surface of the ejector plate to move upwards in the opening groove, so that the ejector plate pushes the casting to lift and demold, and the quick demolding of the casting by the worker is facilitated.
Drawings
FIG. 1 is a schematic view showing a main structure of a molding die for preventing shrinkage cavities or cracks in a casting;
FIG. 2 is a schematic view showing a sectional structure of a molding die for preventing shrinkage cavity or cracks in a casting;
FIG. 3 is a schematic view of the bottom structure of a mold for preventing shrinkage cavities or cracks in castings;
FIG. 4 is a schematic view showing a part of the structure of a molding die for preventing shrinkage cavity or cracks in a casting.
In the figure: 1. a lower die; 2. a spool; 3. an upper die; 4. a material injection pipe; 5. a backing plate; 6. casting grooves; 7. a support pad; 8. a telescopic slot; 9. a sealing gasket; 10. a pressure spring; 11. a pressure relief plate; 12. a sprue gate; 13. a pressure relief hole; 14. an open slot; 15. a chute; 16. a slide block; 17. a support plate; 18. a connecting column; 19. a liftout plate; 20. pulling a plate; 21. tension springs.
Detailed Description
Referring to fig. 1-4, a forming die for preventing shrinkage cavity or crack in casting comprises a lower die 1, a slide column 2 is fixedly connected to the surface of the top end of the lower die 1, an upper die 3 is connected to the surface of the slide column 2 in a sliding manner, a material injection pipe 4 is fixedly connected to the surface of the top end of the upper die 3, a backing plate 5 is arranged on the surface of the top end of the lower die 1, a casting groove 6 is arranged on the surface of the top end of the backing plate 5, a supporting pad 7 is fixedly connected to the surface of the top end of the backing plate 5, a plurality of telescopic grooves 8 are arranged in the lower die 1, the number of the telescopic grooves 8 is four and uniformly distributed at four ends in the lower die 1, a sealing pad 9 is fixedly connected to the surface of the bottom end of the supporting pad 7, the surface of the bottom end of the sealing pad 9 is in sliding connection with the inner diameter of the telescopic grooves 8, in order to prevent shrinkage cavity or crack in the casting process of workers, when the upper die 3 is pressed down through the telescopic groove 8, tightness inside a casting is ensured, a pressure spring 10 is fixedly connected to the surface of the bottom end of the telescopic groove 8, a sealing gasket 9 is fixedly connected to the surface of the top end of the pressure spring 10, the surface of the pressure spring 10 is in sliding connection with the inner diameter of the telescopic groove 8, the upper die 3 and the lower die 1 can be sealed through the sealing gasket 9 by arranging the structures of the telescopic groove 8, the sealing gasket 9 and the like, liquid metal leakage caused by poor sealing effect is prevented, meanwhile, the product quality is influenced, polishing is required at a later stage, the working efficiency is reduced, a pressure relief plate 11 is arranged inside the injection pipe 4, a sprue gate 12 is arranged inside the pressure relief plate 11, a plurality of pressure relief holes 13 are formed on the surface of the sprue gate 12, the number of the pressure relief holes 13 is six, the structures of the pressure relief holes 13, the sprue gate 12 and the like are arranged, the separated pressure relief holes 13 are adopted, the effectual inside atmospheric pressure of avoiding liquid metal pouring takes place the inflation excessively, open slot 14 has been seted up to the inside of lower mould 1, open slot 14's inside sliding connection has spliced pole 18, the fixed surface on spliced pole 18 top is connected with liftout plate 19, the fixed surface of spliced pole 18 bottom is connected with backup pad 17, the fixed surface of backup pad 17 bottom is connected with arm-tie 20, when the foundry goods need be demolded to the staff, staff promotes arm-tie 20 upwards, backup pad 17 drives spliced pole 18 and upwards moves, the surface that spliced pole 18 promoted liftout plate 19 upwards moves in open slot 14's inside, make liftout plate 19 promote the foundry goods and promote the drawing of patterns, make things convenient for the staff to carry out quick drawing of patterns to the foundry goods, the fixed surface on backup pad 17 top is connected with tension spring 21, tension spring 21's surface fixedly connected with liftout plate 19, tension spring 21's internal diameter and spliced pole 18's surface are sliding connection, through setting up tension spring 21, make things convenient for the staff to save the manpower when the foundry goods is taking place the drawing of patterns, the foundry goods, the practicality of device has been improved, spout 15 has been seted up in the inside of spout 15, slide 16 has the inside sliding connection of slider 16, the inside sliding connection of slider 16 has the back 16 to the inside of slider 16, the inside of slider 16 has been pushed the inside of device through the backup pad 17, the inside of the device is prevented that the inside of sliding connection is moved, the back is moved in the back through the slider 16, the device is moved, and the back is moved in the back is moved towards the back in the device is opposite slide 16, and is moved, the device is moved towards the device is moved.
The working principle of the utility model is as follows: when the staff is in foundry goods in-process, in order to prevent that inside shrinkage cavity or crack from appearing, through seting up expansion groove 8 in the inside of lower mould 1, when pushing down at last mould 3 through expansion groove 8, guarantee the airtight of foundry goods inside, through setting up expansion groove 8, sealing washer 9, pressure spring 10 isotructure, can seal between last mould 3 and lower mould 1 through sealing washer 9, prevent that sealed effect is not good to cause liquid metal to leak, influence product quality simultaneously, need later stage polish again, reduce work efficiency, through setting up pressure release hole 13, pouring gate 12 isotructure, the too big expansion that takes place of inside atmospheric pressure when adopting the liquid metal pouring of effectual avoiding. Through when the staff accomplishes the foundry goods and need carry out the drawing of patterns, the staff upwards promotes arm-tie 20, and backup pad 17 drives spliced pole 18 and upwards moves, and spliced pole 18 promotes the surface of liftout board 19 and upwards moves in the inside of open slot 14, makes liftout board 19 promote the foundry goods to rise the drawing of patterns, makes things convenient for the staff to carry out quick drawing of patterns to the foundry goods, through setting up structures such as spout 15, slider 16, has prevented that the staff from taking place the skew when upwards promoting the drawing of patterns to the foundry goods, has improved the stability of device.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a prevent inside shrinkage cavity of foundry goods or forming die of crack, includes lower mould (1), its characterized in that: the utility model discloses a die, including lower mould (1) and lower mould (1), fixed surface on lower mould (1) top has traveller (2), the surface sliding connection of traveller (2) has mould (3), the fixed surface on upper mould (3) top has notes material pipe (4), backing plate (5) have been seted up on the surface on lower mould (1) top, foundry goods groove (6) have been seted up on the surface on backing plate (5) top, the fixed surface on backing plate (5) top has supporting pad (7), a plurality of expansion grooves (8) have been seted up to the inside of lower mould (1), the quantity of expansion groove (8) is four and evenly distributed in the four ends of lower mould (1), the fixed surface of supporting pad (7) bottom is connected with sealed pad (9), the surface of sealed pad (9) bottom is sliding connection with the internal diameter of expansion groove (8).
2. A mold for preventing shrinkage or cracking in castings according to claim 1, wherein: the surface fixed connection of flexible groove (8) bottom has pressure spring (10), the surface fixed connection on pressure spring (10) top has sealed pad (9), the surface of pressure spring (10) is sliding connection with the internal diameter of flexible groove (8).
3. A mold for preventing shrinkage or cracking in castings according to claim 1, wherein: the pouring device is characterized in that a pressure relief plate (11) is arranged in the pouring pipe (4), a pouring opening (12) is arranged in the pressure relief plate (11), a plurality of pressure relief holes (13) are formed in the surface of the pouring opening (12), and the number of the pressure relief holes (13) is six.
4. A mold for preventing shrinkage or cracking in castings according to claim 1, wherein: open slot (14) have been seted up to the inside of lower mould (1), the inside sliding connection of open slot (14) has spliced pole (18), the fixed surface on spliced pole (18) top is connected with liftout board (19), the fixed surface of spliced pole (18) bottom is connected with backup pad (17), the fixed surface of backup pad (17) bottom is connected with arm-tie (20).
5. A mold for preventing shrinkage cavity or cracking in castings according to claim 4, wherein: the surface fixed connection in backup pad (17) top has pulling force spring (21), the surface fixed connection in pulling force spring (21) top has liftout board (19), the internal diameter of pulling force spring (21) is sliding connection with the surface of spliced pole (18).
6. A mold for preventing shrinkage cavity or cracking in castings according to claim 4, wherein: the inside of open slot (14) has seted up spout (15), the inside sliding connection of spout (15) has slider (16), the face in opposite directions of slider (16) fixedly connected with backup pad (17), the looks back of backup pad (17) is sliding connection with the inside of open slot (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322777270.0U CN221018552U (en) | 2023-10-17 | 2023-10-17 | Forming die for preventing shrinkage cavity or crack in casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322777270.0U CN221018552U (en) | 2023-10-17 | 2023-10-17 | Forming die for preventing shrinkage cavity or crack in casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221018552U true CN221018552U (en) | 2024-05-28 |
Family
ID=91170453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322777270.0U Active CN221018552U (en) | 2023-10-17 | 2023-10-17 | Forming die for preventing shrinkage cavity or crack in casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221018552U (en) |
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2023
- 2023-10-17 CN CN202322777270.0U patent/CN221018552U/en active Active
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| GR01 | Patent grant |