CN213195562U - Die-casting die for LED street lamp shell - Google Patents
Die-casting die for LED street lamp shell Download PDFInfo
- Publication number
- CN213195562U CN213195562U CN202021747654.8U CN202021747654U CN213195562U CN 213195562 U CN213195562 U CN 213195562U CN 202021747654 U CN202021747654 U CN 202021747654U CN 213195562 U CN213195562 U CN 213195562U
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- Prior art keywords
- injection molding
- die
- die base
- water
- pipe
- 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.)
- Expired - Fee Related
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- 238000004512 die casting Methods 0.000 title claims abstract description 25
- 241000258971 Brachiopoda Species 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000001746 injection moulding Methods 0.000 claims abstract description 64
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 239000004065 semiconductor Substances 0.000 claims abstract description 19
- 239000000498 cooling water Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 description 12
- 239000000110 cooling liquid Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A die-casting die for an LED street lamp shell comprises a lower die base, a water tank, an upper die base, a water inlet pipe, a semiconductor cooler, a fan and a water outlet pipe; a cooling groove for containing cooling water is arranged in the lower die base along the circumferential direction of the injection groove, a first mounting bin is arranged in the lower die base, and a second mounting bin is arranged in the lower die base; a plurality of groups of air exhaust holes are uniformly formed in the lower die base of the second mounting bin; a demolding assembly used for demolding the injection molding part is arranged in the first mounting bin; the water tank is connected with the inner wall of the second mounting bin, and a water inlet and a water outlet are formed in the water tank; the two ends of the water inlet pipe are respectively connected with the water inlet and the cooling tank; the two ends of the water outlet pipe are respectively connected with the water outlet and the cooling tank; the cold ends of the multiple groups of semiconductor coolers are connected with the water tank, and the hot ends of the multiple groups of semiconductor coolers are connected with the fan; the upper die base is provided with an exhaust hole, the upper die base is provided with an injection molding pipe, and an injection molding cavity for injection molding is formed between the upper die base and the lower die base. The utility model discloses cool off the mould fast, improve the production efficiency of mould.
Description
Technical Field
The utility model relates to a die casting die technical field especially relates to a die casting die for LED street lamp shell.
Background
Die casting is a metal casting process, which mainly uses a mold cavity to apply high pressure to molten metal to perform compression molding, and the die casting mold is generally manufactured by using a higher strength alloy, which is similar to the injection molding of plastic products. Most die cast parts are generally zinc, copper, aluminum, magnesium, lead, tin or their alloys, and the LED street lamp housing is mostly manufactured in mass production by a die casting process.
However, the existing die-casting die for the street lamp shell has poor cooling effect, long die-casting period and low production efficiency during die-casting molding due to the internal structural design of the die; therefore, the application provides a die-casting die for the LED street lamp shell.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a die casting die for LED street lamp shell, the utility model discloses carry out quick cooling to the mould, improve the production efficiency of mould.
(II) technical scheme
In order to solve the problems, the utility model provides a die casting die for a shell of an LED street lamp, which comprises a lower die holder, a water tank, an upper die holder, a water inlet pipe, a semiconductor cooler, a fan and a water outlet pipe;
an injection molding groove is formed in the lower die base, a cooling groove for containing cooling water is formed in the lower die base along the circumferential direction of the injection molding groove, a first mounting bin is arranged in the lower die base, and a second mounting bin is arranged in the lower die base; a plurality of groups of air exhaust holes are uniformly formed in the lower die base of the second mounting bin;
a demolding assembly used for demolding the injection molding part is arranged in the first mounting bin;
the water tank is positioned in the second mounting bin and connected with the inner wall of the second mounting bin, a water inlet and a water outlet are formed in the water tank, and a water filling port is formed in the water tank;
the two ends of the water inlet pipe are respectively connected with the water inlet and the cooling tank; the two ends of the water outlet pipe are respectively connected with the water outlet and the cooling tank; water pumps are arranged on the water outlet pipe and the water inlet pipe;
the cold ends of the multiple groups of semiconductor coolers are connected with the water tank, and the hot ends of the multiple groups of semiconductor coolers are connected with the fan;
the injection molding device is characterized in that the upper die base is provided with an exhaust hole, the upper die base is provided with an injection molding pipe, the upper die base is provided with a matching shaft, the matching shaft of the upper die base is inserted into the injection molding groove of the lower die base, and an injection molding cavity for injection molding is formed between the matching shaft of the upper die base and the injection molding groove of the lower die base.
Preferably, the sealing member comprises a sealing plate and a sliding plate; a plurality of groups of first grooves and a plurality of groups of second grooves are formed in the inner wall of the exhaust hole; the multiple groups of first grooves are all positioned below the multiple groups of second grooves; one ends of the sliding plates are connected with the first grooves in a sliding mode, and the other ends of the sliding plates are connected with the sealing plate; the sealing plate is connected with the inner walls of the second grooves in a sliding mode.
Preferably, the injection molding pipe comprises a main flow pipe and a shunt pipe; the shunt tubes are installed on the outer peripheral surface of the main flow pipe and are communicated with the main flow pipe and the injection molding cavity.
Preferably, a one-way valve is arranged in the shunt pipe.
Preferably, the outside of water tank and inlet tube all is equipped with the heat preservation.
Preferably, the demolding assembly comprises a cylinder, a lifting plate and a push rod;
the cylinder is positioned in the first mounting bin, and the telescopic end of the cylinder is connected with the lifting plate; two ends of the lifting plate are connected with the inner wall of the first mounting bin in a sliding manner, and one end of the lifting plate, which is far away from the air cylinder, is connected with a plurality of groups of push rods; and a plurality of groups of push rods penetrate through the lower die base.
Preferably, one end of the plurality of groups of push rods facing the upper die holder is provided with high-temperature-resistant silica gel.
Preferably, the projected shape of the second mounting bin is concave.
Preferably, the water outlet pipe and the water inlet pipe are hermetically connected with the cooling tank.
The above technical scheme of the utility model has following profitable technological effect:
in the utility model, before use, after the upper die base is matched with the lower die base, the injection molding liquid is poured from the main flow pipe, and the injection molding liquid uniformly falls into the injection molding cavity through the shunt pipe and the one-way valve; when injection molding liquid is injected into the injection molding cavity, air in the injection molding cavity is impacted, the air flows upwards along the exhaust holes to jack the sealing plate upwards, and the plurality of groups of sliding plates slide upwards along the plurality of groups of first grooves, so that bubbles in injection molding finished products are avoided, and the quality of injection molding parts is improved; until the air in the injection molding cavity is exhausted, the sealing plates enable the multiple groups of sliding plates to slide downwards along the multiple groups of first grooves under the action of gravity, and the sealing plates tightly press the bottom surfaces of the multiple groups of second grooves; a water pump on the water inlet pipe pumps the cooling liquid in the water tank into the cooling tank to cool the high-temperature injection molding liquid; a water pump on the water outlet pipe pumps out the high-temperature cooling liquid after heat exchange in the cooling tank, and the high-temperature cooling liquid returns to the water tank through the water inlet; the semiconductor cooler is electrified, the cold end of the semiconductor cooler cools the cooling liquid in the water tank, and the hot end of the semiconductor cooler rapidly dissipates heat through a plurality of groups of air exhaust holes and fans; after cooling, the cylinder drives the lifting plate and the plurality of groups of push rods to move upwards to push the injection molding piece out of the injection molding cavity, so that the demolding effect is achieved; the utility model discloses simple structure, convenient to use cools off the mould fast, improves the production efficiency of mould.
Drawings
Fig. 1 is the utility model provides a die casting die's for LED street lamp shell structure schematic diagram.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of a portion B in fig. 1.
Reference numerals: 1. a lower die holder; 101. injection molding a groove; 102. installing a bin; 2. a water tank; 3. an air exhaust hole; 4. a second mounting bin; 5. an upper die holder; 51. a mating shaft; 61. a main flow pipe; 62. a shunt tube; 7. an exhaust hole; 71. a first groove; 72. a second groove; 8. a one-way valve; 9. a water inlet pipe; 10. a water pump; 11. a semiconductor cooler; 12. a water outlet; 13. a water inlet; 14. a sealing plate; 15. a sliding plate; 16. a fan; 17. a cooling tank; 18. an injection molded part; 19. a water outlet pipe; 20. a cylinder; 21. a lifting plate; 22. a push rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the die casting mold for the LED street lamp housing provided by the present invention comprises a lower die holder 1, a water tank 2, an upper die holder 5, a water inlet pipe 9, a semiconductor cooler 11, a fan 16 and a water outlet pipe 19;
an injection molding groove 101 is formed in the lower die holder 1, a cooling groove 17 for containing cooling water is formed in the lower die holder 1 along the circumferential direction of the injection molding groove 101, a first mounting bin 102 is arranged in the lower die holder 1, and a second mounting bin 4 is arranged in the lower die holder 1; a plurality of groups of air exhaust holes 3 are uniformly formed in the lower die holder 1 of the second mounting bin 4;
a demolding component for demolding the injection molded part 18 is arranged in the first installation bin 102;
the water tank 2 is positioned in the second mounting bin 4, the water tank 2 is connected with the inner wall of the second mounting bin 4, the water tank 2 is provided with a water outlet 12 and a water inlet 13, and the water tank 2 is provided with a water filling port;
the two ends of the water inlet pipe 9 are respectively connected with the water outlet 12 and the cooling tank 17; the two ends of the water outlet pipe 19 are respectively connected with the water inlet 13 and the cooling tank 17; the water outlet pipe 19 and the water inlet pipe 9 are both provided with a water pump 10;
the cold ends of the multiple groups of semiconductor coolers 11 are connected with the water tank 2, and the hot ends of the multiple groups of semiconductor coolers 11 are connected with the fan 16;
the upper die base 5 is provided with an exhaust hole 7, the upper die base 5 is provided with an injection molding pipe, the upper die base 5 is provided with a matching shaft 51, the matching shaft 51 of the upper die base 5 is inserted into the injection molding groove 101 of the lower die base 1, and an injection molding cavity for injection molding is formed between the matching shaft 51 of the upper die base 5 and the injection molding groove 101 of the lower die base 1.
In the utility model, after the upper die base 5 is matched with the lower die base 1, the injection liquid enters the injection cavity from the injection pipe; a water pump 10 on the water inlet pipe 9 pumps the cooling liquid in the water tank 2 into a cooling tank 17 to cool the high-temperature injection molding liquid; the water pump 10 on the water outlet pipe 19 pumps out the high-temperature cooling liquid after heat exchange in the cooling tank 17, and the high-temperature cooling liquid returns to the water tank 2 through the water inlet 13; the semiconductor cooler 11 is electrified, the cold end of the semiconductor cooler 11 cools the cooling liquid in the water tank 2, and the hot end of the semiconductor cooler 11 rapidly dissipates heat through the multiple groups of air exhaust holes 3 and the fans 16. The utility model discloses simple structure, convenient to use cools off the mould fast, improves the production efficiency of mould.
In an alternative embodiment, the seal comprises a sealing plate 14 and a sliding plate 15; the inner wall of the exhaust hole 7 is provided with a plurality of groups of first grooves 71 and a plurality of groups of second grooves 72; the groups of first grooves 71 are all positioned below the groups of second grooves 72; one ends of the sliding plates 15 are connected with the first grooves 71 in a sliding manner, and the other ends of the sliding plates 15 are connected with the sealing plate 14; the sealing plate 14 is connected with the inner walls of the plurality of groups of second grooves 72 in a sliding manner;
when injection molding liquid is injected into the injection molding cavity, air in the injection molding cavity is impacted, the air flows upwards along the exhaust holes 7 to jack the sealing plate 14 upwards, the plurality of groups of sliding plates 15 slide upwards along the plurality of groups of first grooves 71 until the air in the injection molding cavity is exhausted, the plurality of groups of sliding plates 15 slide downwards along the plurality of groups of first grooves 71 under the action of gravity of the sealing plate 14, and the sealing plate 14 compresses the bottom surfaces of the plurality of groups of second grooves 72; the utility model discloses to mould plastics the air escape of intracavity, avoided the appearance of bubble in the finished product of moulding plastics, improved the quality of injection molding.
In an alternative embodiment, the injection molded tube comprises a main flow tube 61 and a shunt tube 62; the shunt pipe 62 is arranged on the outer peripheral surface of the main flow pipe 61, and the shunt pipe 62 is communicated with the main flow pipe 61 and the injection molding cavity; the injection molding liquid uniformly falls into the injection molding cavity through the shunt pipe 62, so that the injection molding liquid is more uniform when being cooled by cooling water, and the quality of the injection molding part 18 is improved.
In an alternative embodiment, a one-way valve 8 is provided in the shunt tube 62; the backflow of the injection molding liquid and the blockage of the shunt pipe 62 after the injection molding liquid is cooled are avoided.
In an alternative embodiment, the outer sides of the water tank 2 and the water inlet pipe 9 are both sleeved with insulating layers; the cooled injection molding liquid is placed to exchange heat with high-temperature air flow in the second mounting bin 4, so that all cooling liquid is used for cooling the injection molding part 18, and the cooling efficiency is improved.
In an alternative embodiment, the stripper assembly comprises a cylinder 20, a lift plate 21 and a push rod 22;
the cylinder 20 is positioned in the first mounting bin 102, and the telescopic end of the cylinder 20 is connected with the lifting plate 21; two ends of the lifting plate 21 are slidably connected with the inner wall of the first mounting bin 102, and one end of the lifting plate 21, which is far away from the cylinder 20, is connected with a plurality of groups of push rods 22; a plurality of groups of push rods 22 penetrate through the lower die holder 1; after cooling, the cylinder 20 drives the lifting plate 21 and the plurality of groups of push rods 22 to move upwards, so that the injection molding piece 18 is pushed out of the injection molding cavity, and a demolding effect is achieved.
In an alternative embodiment, the ends of the multiple groups of push rods 22 facing the upper die base 5 are provided with high temperature resistant silica gel.
In an alternative embodiment, the second mounting bin 4 has a concave projected shape.
In an alternative embodiment, the outlet pipe 19 and the inlet pipe 9 are hermetically connected to the cooling bath 17.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. A die-casting die for an LED street lamp shell is characterized by comprising a lower die holder (1), a water tank (2), an upper die holder (5), a water inlet pipe (9), a semiconductor cooler (11), a fan (16) and a water outlet pipe (19);
an injection molding groove (101) is formed in the lower die base (1), a cooling groove (17) for containing cooling water is formed in the lower die base (1) along the circumferential direction of the injection molding groove (101), a first mounting bin (102) is arranged in the lower die base (1), and a second mounting bin (4) is arranged in the lower die base (1); a plurality of groups of air exhaust holes (3) are uniformly formed in the lower die holder (1) of the second mounting bin (4);
a demoulding component for demoulding the injection molding part (18) is arranged in the first mounting bin (102);
the water tank (2) is positioned in the second mounting bin (4), the water tank (2) is connected with the inner wall of the second mounting bin (4), a water outlet (12) and a water inlet (13) are formed in the water tank (2), and a water filling port is formed in the water tank (2);
two ends of the water inlet pipe (9) are respectively connected with the water outlet (12) and the cooling tank (17); two ends of the water outlet pipe (19) are respectively connected with the water inlet (13) and the cooling tank (17); water pumps (10) are respectively arranged on the water outlet pipe (19) and the water inlet pipe (9);
cold ends of the multiple groups of semiconductor coolers (11) are connected with the water tank (2), and hot ends of the multiple groups of semiconductor coolers (11) are connected with the fan (16);
the injection molding device is characterized in that the upper die base (5) is provided with an exhaust hole (7), the upper die base (5) is provided with an injection molding pipe, the upper die base (5) is provided with a matching shaft (51), the matching shaft (51) of the upper die base (5) is inserted into an injection molding groove (101) of the lower die base (1), and an injection molding cavity for injection molding is formed between the matching shaft (51) of the upper die base (5) and the injection molding groove (101) of the lower die base (1).
2. The die-casting mold for the LED street lamp housing as claimed in claim 1, wherein the sealing member comprises a sealing plate (14) and a sliding plate (15); a plurality of groups of first grooves (71) and a plurality of groups of second grooves (72) are arranged on the inner wall of the exhaust hole (7); the groups of first grooves (71) are all positioned below the groups of second grooves (72); one ends of the sliding plates (15) are connected with the first grooves (71) in a sliding way, and the other ends of the sliding plates (15) are connected with the sealing plate (14); the sealing plate (14) is connected with the inner walls of the plurality of groups of second grooves (72) in a sliding mode.
3. The die-casting mold for the LED street lamp shell as claimed in claim 1, wherein the injection molding pipe comprises a main flow pipe (61) and a shunt pipe (62); the shunt pipe (62) is arranged on the outer peripheral surface of the main flow pipe (61), and the shunt pipe (62) is communicated with the main flow pipe (61) and the injection molding cavity.
4. The die-casting die for the LED street lamp shell as claimed in claim 3, wherein the shunt pipe (62) is internally provided with a one-way valve (8).
5. The die-casting die for the LED street lamp shell as claimed in claim 1, wherein the outer sides of the water tank (2) and the water inlet pipe (9) are sleeved with heat insulation layers.
6. The die-casting die for the LED street lamp shell as claimed in claim 1, wherein the demolding assembly comprises a cylinder (20), a lifting plate (21) and a push rod (22);
the cylinder (20) is positioned in the first mounting bin (102), and the telescopic end of the cylinder (20) is connected with the lifting plate (21); two ends of the lifting plate (21) are connected with the inner wall of the first mounting bin (102) in a sliding manner, and one end, far away from the air cylinder (20), of the lifting plate (21) is connected with a plurality of groups of push rods (22); a plurality of groups of push rods (22) pass through the lower die holder (1).
7. The die-casting die for the LED street lamp shell as claimed in claim 5, wherein one end of the plurality of groups of push rods (22) facing the upper die holder (5) is provided with high temperature resistant silica gel.
8. The die-casting die for the LED street lamp shell as claimed in claim 1, wherein the projection shape of the second mounting bin (4) is concave.
9. The die-casting die for the LED street lamp shell as claimed in claim 1, wherein the water outlet pipe (19) and the water inlet pipe (9) are hermetically connected with the cooling groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021747654.8U CN213195562U (en) | 2020-08-19 | 2020-08-19 | Die-casting die for LED street lamp shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021747654.8U CN213195562U (en) | 2020-08-19 | 2020-08-19 | Die-casting die for LED street lamp shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213195562U true CN213195562U (en) | 2021-05-14 |
Family
ID=75840051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021747654.8U Expired - Fee Related CN213195562U (en) | 2020-08-19 | 2020-08-19 | Die-casting die for LED street lamp shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213195562U (en) |
-
2020
- 2020-08-19 CN CN202021747654.8U patent/CN213195562U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210514 |