CN215941467U - Shot-light shell die casting die - Google Patents
Shot-light shell die casting die Download PDFInfo
- Publication number
- CN215941467U CN215941467U CN202122157471.1U CN202122157471U CN215941467U CN 215941467 U CN215941467 U CN 215941467U CN 202122157471 U CN202122157471 U CN 202122157471U CN 215941467 U CN215941467 U CN 215941467U
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- die
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- casting
- pressure relief
- shell
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- 238000004512 die casting Methods 0.000 title claims abstract description 39
- 238000005266 casting Methods 0.000 claims abstract description 9
- 239000002893 slag Substances 0.000 claims description 12
- 239000000498 cooling water Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 241000258971 Brachiopoda Species 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a press-casting die for a reflector lamp shell, which comprises a die holder, a lower die plate, an upper die core, a lower die core, a die core for forming the inner wall of the reflector lamp shell, a core pulling assembly, an ejector pin assembly and a guide rod guide sleeve assembly, wherein the die core is sleeved on the upper die core in a vertical direction, the outer circumferential surface of the die core and the inner wall curved surface of the center of the upper die core form a complete upper half die cavity of the reflector lamp shell to be formed by die casting, a boss is arranged in the middle of the upper end surface of the lower die core, a positioning hole and an ejector pin hole are formed in the upper end surface of the boss, the positioning hole is matched with the core pulling assembly to form a locking hole of the reflector lamp shell, a parting surface is arranged on the lower edge of the press-casting die, an overflow groove and a pressure relief hole are further arranged in corresponding positions, the appearance surface is ensured to be neat and free from foreign matters, the matching of the die core with the upper die core, the upper half die cavity structure of the reflector lamp is matched with the lower die core to form the integral die cavity of the reflector lamp shell, the die-casting raw material is fully filled, the die-casting raw material is uniformly distributed, the deep inner cavity forming effect is good, and the efficiency is high.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a die-casting die for a reflector lamp shell.
Background
The existing reflector lamp shell is made of aluminum materials, the depth of an inner cavity of the shell is deep, a casting molding process is mainly adopted in the prior art, the deep inner cavity injection molding process is very inconvenient, the number of adverse conditions after casting molding is large, and the interior is also an integrally connected inner lining plate, a locking hole is formed in the inner lining plate, the problems that the deep hole inner wall is not full in casting and the distribution of casting raw materials is not uniform easily occur, cracks are extremely easy to occur in the subsequent use process of products, the outer protection can be lost for the application occasion of the reflector lamp, the water inlet short circuit is easy to occur, and the service life of the lamp is shortened. Therefore, a die-casting process is needed to be adopted for carrying out special pressurization preparation on the deep hole structure and the deep hole side wall structure, so that the die-casting raw materials are fully filled, the die-casting raw materials are uniformly distributed, the bad condition that cracks appear in the later use process is reduced, and because the shell of the spot lamp or an appearance piece cannot be provided with a parting surface on the surface of the outer wall of the nearly cylindrical shape, the die-casting mold also needs to carry out a specially designed forming process on the structure.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is as follows: in view of the technical requirement among the background, we design a shot-light shell die casting mould, this mould is to shot-light shell surface not set up the die joint, and set up the die joint at the lower limb, the position that corresponds still is provided with overflow launder and pressure release hole, it is clean and tidy free from extraneous to guarantee the outward appearance surface, increase design mold core and last mould benevolence cooperation, first half die cavity structure of stroke shot-light, and the whole die cavity of the complete ground of cooperation lower mould benevolence combination into shot-light shell, the die-casting raw materials is filled fully, the die-casting raw materials distributes evenly, dark inner chamber shaping is effectual, high efficiency, and is practical convenient.
The technical scheme adopted for solving the problems is as follows:
a shot-light shell die-casting mould comprises a die holder, a lower template, an upper die core, a lower die core, a die core for forming the inner wall of the shot-light shell, a loose core assembly for forming locking holes, an ejector pin assembly and a guide rod and guide sleeve assembly, wherein the lower template is fixed on the die holder, the guide rod and guide sleeve assemblies are fixedly connected at four corners of the die holder, the lower template and the upper template are sequentially sleeved on a guide rod from bottom to top, the lower die core is fixedly connected at the middle part of the upper end of the lower template, the upper die core is fixedly connected at the middle part of the lower end of the upper template,
the upper mold core is also sleeved with a mold core for forming the inner wall of the spotlight shell in a penetrating manner in the vertical direction, the outer circumferential surface of the mold core and the inner wall curved surface at the center of the upper mold core are combined into a complete upper cavity of the spotlight shell to be die-cast, a boss is arranged in the middle of the upper end surface of the lower mold core, a positioning hole and a thimble hole are formed in the upper end surface of the boss, the positioning hole is matched with a core pulling assembly to form a locking hole of the spotlight shell, the core pulling assembly comprises a core pulling plate and a top pushing plate, the top pushing plate is fixedly connected with a thimble assembly, the thimble assembly penetrates through the lower mold core and is flush with the bottom of the cavity and is just opposite to a pushing part and all overflow groove parts of the spotlight shell to be formed in the cavity, a product is jacked during demolding, the product is ejected out of the spotlight shell after molding and cooling, the lower mold core and the upper mold core are tightly attached to form a complete spotlight shell cavity, and a parting surface is arranged at the lower edge of the spotlight shell,
the die casting device is characterized in that a main pouring gate and a die casting opening are arranged on one horizontal side of the parting surface, the die casting opening is vertically upward and fixedly connected with an upper die plate in a bonding mode, a plurality of overflow grooves and pressure relief holes are formed in the periphery of the parting surface, the overflow grooves are used for receiving overflowing die casting liquid, a slag ladle is formed after cooling forming, the front ends of the pressure relief holes are communicated with the overflow grooves, the rear ends of the pressure relief holes extend out of a lower die core and are externally connected with air, and therefore when pressure casting is conducted, residual materials in the overflow grooves form the slag ladle, and the residual materials overflow to the pressure relief hole part form slag strips.
Furthermore, the spotlight shell comprises a nearly cylindrical shell and an inner lining plate integrally arranged on the inner wall, a rectangular groove is formed in the axis of the shell, and a locking hole is formed in the inner lining plate.
Furthermore, cooling water pipelines are arranged in the upper die core and the lower die core, and cooling water is filled into the upper die core and the lower die core through external water inlets and flows out of water outlets.
Furthermore, the lower end face of the mold core is also provided with a positioning column, and the positioning column is matched with a positioning groove formed in the upper end face of the lower mold core.
Further, the pressure relief hole comprises a first-stage pressure relief hole and a second-stage pressure relief hole, the first-stage pressure relief hole is communicated with the overflow groove and the second-stage pressure relief hole respectively, the second-stage pressure relief hole is externally connected with air, and the cross-sectional area of the first-stage pressure relief hole is larger than that of the second-stage pressure relief hole.
The utility model has the beneficial effects that:
this shot-light shell die casting die does not set up the die joint to shot-light shell surface, and set up the die joint at the lower limb, the position that corresponds still is provided with overflow launder and pressure release hole, guarantee the clean and tidy free from extraneous matter of outward appearance surface, increase design mold core and last mould benevolence cooperation, first die cavity structure of stroke shot-light, and the whole die cavity of combining into shot-light shell wholly under the cooperation, the die-casting raw materials is filled fully, the die-casting raw materials distributes evenly, dark inner chamber shaping is effectual, and efficiency is high, and is practical convenient.
Drawings
FIG. 1 is a perspective view of a die-casting mold for a housing of a spot lamp according to the embodiment;
fig. 2 is a perspective view of the reflector lamp shell die-casting mold in the embodiment after an upper template and a lower template are removed;
FIG. 3 is a perspective view of the upper mold insert of this embodiment;
FIG. 4 is a cross-sectional view of the upper mold insert of this embodiment;
FIG. 5 is a schematic structural view of the curved inner wall surface of the center of the upper mold core in the present embodiment;
FIG. 6 is a perspective view of the lower mold insert of this embodiment;
FIG. 7 is a perspective view of the mold core of the present embodiment;
FIG. 8 is a side bottom view of the mold core of the present embodiment;
FIG. 9 is a schematic structural view of the cavity of the present embodiment after molding;
FIG. 10 is a side bottom view of the cavity of the present embodiment after molding;
FIG. 11 is a schematic structural diagram of a housing of the spotlight according to the embodiment of the present invention;
wherein, 1-die casting mouth, 2-upper die plate, 3-guide rod guide sleeve component, 4-lower die plate, 5-die holder, 6-guide rod, 7-ejector plate, 8-upper die core, 9-die core, 10-lower die core, 11-ejector pin component, 12-die core matching hole, 13-screwed hole, 14-inner wall curved surface, 15-die casting mouth binding surface, 16-cooling water pipeline, 17-positioning groove, 18-secondary pressure release hole, 19-primary pressure release hole, 20-overflow groove, 21-lug boss, 22-positioning hole, 23-rectangular protruding end, 24-die core outer circumferential surface, 25-positioning column, 26-shell, 27-rectangular groove, 28-main pouring gate, 29-slag ladle and 30-secondary slag strip, 31-first-level slag strips, 32-lining plates and 33-locking holes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 11, the embodiment provides a reflector lamp housing die-casting mold, which includes a mold base 5, a lower mold plate 4, an upper mold plate 2, an upper mold core 8, a lower mold core 10, a mold core 9 for forming an inner wall of the reflector lamp housing, a core pulling assembly for forming a locking hole 33, a thimble assembly 11 and a guide sleeve assembly 3 for a guide rod 6, wherein the lower mold plate 4 is fixed on the mold base 5, four corners of the mold base 5 are fixedly connected with the guide sleeve assembly 3 for the guide rod 6, the lower mold plate 4 and the upper mold plate 2 are sequentially sleeved on the guide rod 6 from bottom to top, the middle part of the upper end of the lower mold plate 4 is fixedly connected with a lower mold core 10, and the middle part of the lower end of the upper mold plate 2 is fixedly connected with an upper mold core 8.
Specifically, the upper mold core 8 is further sleeved with a mold core 9 for forming the inner wall of the spotlight shell in a vertical direction, the outer circumferential surface of the mold core 9 and the inner wall curved surface 14 at the center of the upper mold core 8 form a complete upper half cavity of the spotlight shell to be die-cast, a boss 21 is arranged in the middle of the upper end surface of the lower mold core 10, a positioning hole 22 and a thimble hole are formed in the upper end surface of the boss 21, the positioning hole 22 is matched with a core pulling assembly to form a locking hole 33 of the spotlight shell, the core pulling assembly comprises a core pulling and a push plate 7, the push plate 7 is further fixedly connected with a thimble assembly 11, the thimble assembly 11 passes through the lower mold core 10 and is flush with the bottom of the cavity and is opposite to the push part and all overflow grooves 20 of the spotlight shell to be formed in the cavity, a product is ejected when the spotlight shell is ejected after being formed and cooled, and the lower mold core 10 and the upper mold core 8 are tightly attached to form a complete spotlight shell cavity, and the parting surface is arranged at the lower edge of the spotlight shell.
The die casting device is characterized in that a main pouring gate 28 and a die casting opening 1 are arranged on one horizontal side of the parting surface, the die casting opening 1 is vertically upward and fixedly attached to an upper die plate 2, a plurality of overflow grooves 20 and pressure relief holes are formed in the periphery of the parting surface, the overflow grooves 20 are used for receiving overflowing die casting liquid, a slag ladle 29 is formed after cooling forming, the front ends of the pressure relief holes are communicated with the overflow grooves 20, the rear ends of the pressure relief holes extend out of a lower die core 10 and are externally connected with air, so that when pressure casting is conducted, residual materials in the overflow grooves 20 form the slag ladle 29, and the residual materials overflow to the pressure relief hole part form slag strips.
The further embodiment is that the spotlight shell comprises a nearly cylindrical shell 26 and an inner lining plate 32 integrally arranged on the inner wall, wherein a rectangular groove 27 is formed in the axis of the shell 26, and a locking hole 33 is formed in the inner lining plate 32 and used for fixedly connecting the spotlight shell and the spotlight body through a screw.
In a further embodiment, cooling water pipelines are arranged in the upper mold core 8 and the lower mold core 10, and cooling water is filled into the upper mold core and flows out of the lower mold core through external water inlets and water outlets.
The further embodiment is that the lower end face of the mold core 9 is also provided with a positioning column 25, the positioning column 25 is matched with a positioning groove 17 arranged on the upper end face of the lower mold core 10, so that the mold core 9 and the central hole axis of the upper mold core 8 are coincided, and the wall thickness of the formed reflector lamp shell is uniform.
A further embodiment is that the pressure relief holes include a first-stage pressure relief hole 19 and a second-stage pressure relief hole 18, the first-stage pressure relief hole 19 is respectively communicated with the overflow groove 20 and the second-stage pressure relief hole 18, the second-stage pressure relief hole 18 is externally connected with air, and the cross-sectional area of the first-stage pressure relief hole 19 is larger than that of the second-stage pressure relief hole 18, so that metal remainders removed from the overflow groove 20 in the cavity are overflowed into the pressure relief holes under continuous pressurization, and are further pressurized in the cavity, and meanwhile, the molding effect of the cavity is better.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, the scope of the present invention being defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides a shot-light shell die casting mould, includes die holder, lower bolster, cope match-plate pattern, upper die benevolence, lower mould benevolence, is used for the shaping shot-light shell inner wall the mold core, is used for the subassembly of loosing core in shaping locking hole to and thimble assembly and guide arm guide pin bushing assembly, its characterized in that:
a lower die plate is fixed on the die holder, guide rod and guide sleeve assemblies are fixedly connected with four corners of the die holder, the lower die plate and an upper die plate are sequentially sleeved on the guide rods from bottom to top, a lower die core is fixedly connected with the middle part of the upper end of the lower die plate, an upper die core is fixedly connected with the middle part of the lower end of the upper die plate,
the upper mold core is also sleeved with a mold core for forming the inner wall of the spotlight shell in a penetrating manner in the vertical direction, the outer circumferential surface of the mold core and the inner wall curved surface at the center of the upper mold core are combined into a complete upper cavity of the spotlight shell to be die-cast, a boss is arranged in the middle of the upper end surface of the lower mold core, a positioning hole and a thimble hole are formed in the upper end surface of the boss, the positioning hole is matched with a core pulling assembly to form a locking hole of the spotlight shell, the core pulling assembly comprises a core pulling plate and a top pushing plate, the top pushing plate is fixedly connected with a thimble assembly, the thimble assembly penetrates through the lower mold core and is flush with the bottom of the cavity and is just opposite to the top pushing part and all overflow groove parts of the spotlight shell to be formed in the cavity, a product is jacked when the spotlight shell is ejected out of the mold, the lower mold core and the upper mold core are tightly attached to form a complete spotlight shell cavity, and a parting surface is arranged at the lower edge of the spotlight shell,
the die casting device is characterized in that a main pouring gate and a die casting opening are arranged on one horizontal side of the parting surface, the die casting opening is vertically upward and fixedly connected with an upper die plate in a bonding mode, a plurality of overflow grooves and pressure relief holes are formed in the periphery of the parting surface, the overflow grooves are used for receiving overflowing die casting liquid, a slag ladle is formed after cooling forming, the front ends of the pressure relief holes are communicated with the overflow grooves, the rear ends of the pressure relief holes extend out of a lower die core and are externally connected with air, and therefore when pressure casting is conducted, residual materials in the overflow grooves form the slag ladle, and the residual materials overflow to the pressure relief hole part form slag strips.
2. The shot-light housing die-casting mold of claim 1, characterized in that: the spotlight shell comprises a nearly cylindrical shell and an inner lining plate integrally arranged on the inner wall, wherein a rectangular groove is formed in the axis of the shell, and a locking hole is formed in the inner lining plate.
3. The shot-light housing die-casting mold of claim 1, characterized in that: and cooling water pipelines are arranged in the upper die core and the lower die core, and cooling water is filled into the upper die core and the lower die core through external water inlets and flows out from water outlets.
4. The shot-light housing die-casting mold of claim 1, characterized in that: the mold core lower end face is also provided with a positioning column, and the positioning column is matched with a positioning groove formed in the upper end face of the lower mold core.
5. The shot-light housing die-casting mold of claim 1, characterized in that: the pressure relief hole comprises a first-stage pressure relief hole and a second-stage pressure relief hole, the first-stage pressure relief hole is communicated with the overflow groove and the second-stage pressure relief hole respectively, the second-stage pressure relief hole is externally connected with air, and the cross-sectional area of the first-stage pressure relief hole is larger than that of the second-stage pressure relief hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122157471.1U CN215941467U (en) | 2021-09-08 | 2021-09-08 | Shot-light shell die casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122157471.1U CN215941467U (en) | 2021-09-08 | 2021-09-08 | Shot-light shell die casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215941467U true CN215941467U (en) | 2022-03-04 |
Family
ID=80428690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122157471.1U Expired - Fee Related CN215941467U (en) | 2021-09-08 | 2021-09-08 | Shot-light shell die casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215941467U (en) |
-
2021
- 2021-09-08 CN CN202122157471.1U patent/CN215941467U/en not_active Expired - Fee Related
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Legal Events
| 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: 20220304 |
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| CF01 | Termination of patent right due to non-payment of annual fee |