CN208322047U - A kind of die casting - Google Patents
A kind of die casting Download PDFInfo
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- CN208322047U CN208322047U CN201820852523.2U CN201820852523U CN208322047U CN 208322047 U CN208322047 U CN 208322047U CN 201820852523 U CN201820852523 U CN 201820852523U CN 208322047 U CN208322047 U CN 208322047U
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- channel
- forming cavity
- lower die
- upper mold
- die casting
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Abstract
The utility model relates to mold moldings, in particular to a kind of die casting, solving melt can be by pouring basin directly into forming cavity, the problem of leading to holder surface quality decline, its key points of the technical solution are that a kind of die casting, lower die including offering the upper mold of pouring basin and with upper mold split, the forming cavity for forming lamp holder is formed between the upper die and lower die, it is connected between the pouring basin and forming cavity by running channel, the running channel includes the first passage for being provided with upper mold and being connected to pouring basin, the third channel for being provided with lower die and being connected to second channel with the second channel of first passage steering connection and steering and being connected to forming cavity side wall middle part, the third channel is gradually increased along the horizontal cross-section in melt flows direction, and the lower die be located at below third channel be provided with it is convex to third channel direction The guiding surface risen, can be avoided melt and directly impacts forming cavity, be conducive to the die casting of lamp holder, improve product quality.
Description
Technical field
The utility model relates to mold molding, in particular to a kind of die casting.
Background technique
Electric light is to convert electrical energy into luminous energy, to provide the equipment of illumination, comes across second industrial revolution, includes lamp
Seat, the lamp housing on fixed lamp holder and the lamp bead being mounted on inside lamp holder and lamp housing.It is a large amount of due to that can be generated when lamp bead is powered
Heat, therefore several radiating fins can be all provided on general lamp housing, lamp holder 4 as shown in Figure 1, just include pedestal 43,
Several radiating fins 42 for being provided with the installation cavity 41 of 43 one end of pedestal and being arranged on pedestal 43.
Due to lamp holder be thin wall product, if formed by general mold, melt can by pouring basin directly into
In forming cavity, lead to holder surface quality decline.
Utility model content
The purpose of the utility model is to provide a kind of die castings can be avoided melt and directly be rushed by the design of running channel
Forming cavity is hit, the die casting of lamp holder is conducive to, improves product quality.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of die casting, the lower die including offering the upper mold of pouring basin and with upper mold split, the upper mold is under
It is formed with the forming cavity for forming lamp holder between mould, is connected between the pouring basin and forming cavity by running channel, the running channel
Include the first passage for being provided with upper mold and being connected to pouring basin, be provided with lower die and turns to the second of connection with first passage
The third channel that channel and steering are connected to second channel and are connected to forming cavity side wall middle part, the third channel is along molten
The horizontal cross-section of body flow direction is gradually increased, and the lower die be located at below third channel be provided with to third channel with
Forming cavity junction gradually raised guiding surface.
By using above-mentioned technical proposal, first passage, second channel and third channel set up the energy on upper die and lower die separately
Enough easy cleanings；By turning to connection between first passage, second channel and third channel, melt can be avoided directly from impact
Forming cavity plays the role of buffer melt, and then ensures the forming quality of lamp holder, and is designed by the structure of third channel, energy
Enough stable melt is conducive to the die casting of thin wall product, improves product quality.
Preferably, the lower die is provided with the separation for changing melt flows direction between third channel and forming cavity
The end face of block, the spacing block towards third channel is formed with guide surface.
By using above-mentioned technical proposal, the design of spacing block and guide surface can be used in the flow direction of changed course melt,
So that melt is entered forming cavity from the two sides of third channel, further avoids melt and directly impact forming cavity.
Preferably, the circumferential direction that the lower die is located at forming cavity is additionally provided with several underflow chutes being connected to forming cavity.
By using above-mentioned technical proposal, sundries can be discharged in overflow launder, and gas is discharged, and receive first part of cold metal
Stream can make mold temperature keep balance, additionally it is possible to play improvement casting liquid flow direction, play drainage.
Preferably, the circumferential direction that the upper mold is located at forming cavity is provided with the overflow chute matched with underflow chute.
By using above-mentioned technical proposal, the cooperation of overflow chute and underflow chute can further increase drawing for overflow launder
Stream effect, the effect for keeping mold temperature balance.
Preferably, the overflow chute includes the first groove body for enclosing underflow chute and connects with the first groove body
The second logical groove body.
By using above-mentioned technical proposal, the second groove body and the second groove body improve the capacity of overflow chute, enable overflow launder
More sundries are enough received, and then improve the surface quality of lamp holder, reduce the impurity for remaining in holder surface.
Preferably, the upper mold is also provided with the gas vent being connected to the second groove body.
By using above-mentioned technical proposal, the various gases that casting liquid generates during heating can be discharged in gas vent,
The air in forming cavity is discharged, is avoided that spreader surface burns and outside injection volume deficiency, can also eliminate the various scarce of surface
It falls into, reduces mold fouling.
Preferably, be provided with the baffle to pouring basin direction protrusion in lower die, offered on the baffle and the
One channel turns to the diversion trench of connection.
By using above-mentioned technical proposal, baffle can reduce the volume of melt in pouring basin, reduce the waste of melt.
Preferably, sliding is connected with the first Loose core block and the second Loose core block for pore-forming in the lower die.
By using above-mentioned technical proposal, the first Loose core block and the second Loose core block can be used in forming the hole of lamp holder side,
Without secondary operation, the molding procedure of lamp holder is shortened, improves the product quality of lamp holder.
In conclusion the utility model has the following beneficial effects:
The utility model avoids melt from directly impacting forming cavity by the design of running channel, and then avoids since melt is direct
Forming cavity is impacted to defect caused by holder surface, is conducive to the die casting of lamp holder, is improved product quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of lamp holder；
Fig. 2 is the configuration schematic diagram of die casting；
Fig. 3 is the structural schematic diagram of upper mold；
Fig. 4 is the structural schematic diagram of lower die.
In figure, 1, upper mold；11, pouring basin；12, convex block is formed；13, overflow chute；131, the first groove body；132, the second slot
Body；14, gas vent；2, lower die；21, lower mode cavity；22, slippage slot；23, the first Loose core block；24, the second Loose core block；25, water conservancy diversion
Block；251, diversion trench；26, underflow chute；3, running channel；31, first passage；32, second channel；33, third channel；331, it is oriented to
Inclined-plane；332, spacing block；4, lamp holder；41, installation cavity；42, radiating fin；43, pedestal.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to figs. 2 and 3, a kind of die casting, including offer pouring basin 11 upper mold 1 and with 1 split of upper mold
Lower die 2.Upper mold 1 is provided with the molding convex block 12 to 2 direction of lower die protrusion, and lower die 2 is offered and formed under the cooperation of convex block 12
Die cavity 21, when upper mold 1 and lower die 2 mold, molding convex block 12 is threaded through in lower mode cavity 21, formed for form lamp holder 4 at
Type chamber.It is connected between pouring basin 11 and forming cavity by running channel 3.The end face level of lower die 2 towards upper mold 1 offers two slippage slots
22.Sliding is connected with the first Loose core block 23 respectively in slippage slot 22 and the second Loose core block 24 is used to form the hole of 4 side of lamp holder.
Referring to fig. 2, Fig. 3 and Fig. 4, the underface that lower die 2 is located at pouring basin 11 are provided with to 11 direction of pouring basin protrusion
Baffle 25, baffle 25 is in truncated cone-shaped, and the outer diameter of baffle 25 is less than the internal diameter of pouring basin 11.Baffle 25 is towards molding
The side wall of chamber side offers diversion trench 251 along the length direction of baffle 25.One end of diversion trench 251 and pouring basin 11 connect
Logical, the other end is connected to running channel 3.Running channel 3 include be provided with upper mold 1 towards 2 end face of lower die first passage 31, be provided with down
Second channel 32 on mould 2 and the third channel 33 in crescent, and pouring basin 11, diversion trench 251, first passage 31,
The axis of two channels, 32 third channel 33 and forming cavity is all in same plane.One section of steering connection of first passage 31 is being led
The opening of chute 251, the other end are connected with one end of second channel 32；It is logical that one end steering of second channel 32 is connected to first
On road 31, the other end is connected to third channel 33；One end of third channel 33 turns to and is connected on second channel 32, and the other end is then
It is connected to forming cavity.Third channel 33 is gradually increased along the horizontal cross-section in melt flows direction, and lower die 2 is located at third channel 33
Lower section be provided with to third channel 33 and forming cavity junction gradually raised guiding surface 331.Second channel 32 is connected to
The middle part of third channel 33, and guiding surface 331 is provided with spacing block 332 between third channel 33 and forming cavity, separates
Block 332 is located exactly on the axis of third channel 33 and forming cavity.The end face of spacing block 332 towards third channel 33, which is formed with, leads
To face.
Referring to Fig. 3 and Fig. 4, if lower die 2 is provided with using the opposite side that the axis of forming cavity is located at third channel 33 as symmetric points
Dry underflow chute 26.Underflow chute 26 is set as three in the present embodiment, and three underflow chutes 26 are equidistantly wound around forming cavity week
To, and the line of underflow chute 26 and spacing block 332 is located in the middle just by the axial location of forming cavity.
Referring to Fig. 3 and Fig. 4, the circumferential direction that upper mold 1 is located at molding convex block 12 is provided with the overflow cooperated with underflow chute 26
Slot 13.Overflow chute 13 include the first groove body 131 for enclosing underflow chute 26 and be connected to the first groove body 131
Two groove bodies 132.In the present embodiment, overflow chute 13 is set as same three, and is located in the middle overflow chute 13 and first
The line in channel 31 passes through the axial location of molding convex block 12 just.Second groove body 132 is located at pair for being connected with the first groove body 131
While being communicated with several gas vents 14.
Referring to Fig. 1 and Fig. 2, when the mold forms, metal bath enters forming cavity by running channel 3 from pouring basin 11
In, until extracting the first Loose core block 23 and the second Loose core block 24 out after metal bath is cooling, being then opened, can be obtained includes seat
The lamp holder 4 of body 43, installation cavity 41 and radiating fin 42.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of die casting, the lower die (2) including offering the upper mold (1) of pouring basin (11) and with upper mold (1) split, institute
State the forming cavity being formed between upper mold (1) and lower die (2) for forming lamp holder (4), which is characterized in that the pouring basin (11)
It is connect between forming cavity by running channel (3), the running channel (3) includes to be provided with upper mold (1) and be connected to pouring basin (11)
First passage (31), be provided with lower die (2) and with first passage (31) turn to connection second channel (32) and turn to connect
Connect second channel (32) and with the third channel (33) that is connected in the middle part of forming cavity side wall, the third channel (33) is along melt
The horizontal cross-section of flow direction is gradually increased, and the lower die (2) be located at below third channel (33) be provided with it is logical to third
Road (33) and forming cavity junction gradually raised guiding surface (331).
2. a kind of die casting according to claim 1, which is characterized in that the lower die (2) is located at third channel (33)
The spacing block (332) for changing melt flows direction is provided between forming cavity, the spacing block (332) is towards third channel
(33) end face is formed with guide surface.
3. a kind of die casting according to claim 1, which is characterized in that the lower die (2) is located at the circumferential direction of forming cavity
It is additionally provided with several underflow chutes (26) being connected to forming cavity.
4. a kind of die casting according to claim 3, which is characterized in that the upper mold (1) is located at the circumferential direction of forming cavity
It is provided with the overflow chute (13) matched with underflow chute (26).
5. a kind of die casting according to claim 4, which is characterized in that the overflow chute (13) includes for enclosing
The second groove body (132) for closing first groove body (131) of underflow chute (26) and being connected to the first groove body (131).
6. a kind of die casting according to claim 4, which is characterized in that the upper mold (1) is also provided with and the second slot
The gas vent (14) of body (132) connection.
7. a kind of die casting according to claim 1, which is characterized in that be provided in lower die (2) to pouring basin (11)
The baffle (25) of direction protrusion offers on the baffle (25) and turns to the diversion trench being connected to first passage (31)
(251).
8. a kind of die casting according to claim 7, which is characterized in that sliding, which is connected with, on the lower die (2) is used for
The first Loose core block (23) and the second Loose core block (24) of pore-forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820852523.2U CN208322047U (en) | 2018-06-02 | 2018-06-02 | A kind of die casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820852523.2U CN208322047U (en) | 2018-06-02 | 2018-06-02 | A kind of die casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208322047U true CN208322047U (en) | 2019-01-04 |
Family
ID=64772983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820852523.2U Active CN208322047U (en) | 2018-06-02 | 2018-06-02 | A kind of die casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208322047U (en) |
-
2018
- 2018-06-02 CN CN201820852523.2U patent/CN208322047U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A die-casting die Effective date of registration: 20221129 Granted publication date: 20190104 Pledgee: Industrial and Commercial Bank of China Limited Changtai Sub branch Pledgor: STARCOME (FUJIAN) HARDWARE TECHNOLOGY Co.,Ltd. Registration number: Y2022350000165 |