CN202621873U - Forming die of small-sized pneumatic cylinder body with cooling fins - Google Patents
Forming die of small-sized pneumatic cylinder body with cooling fins Download PDFInfo
- Publication number
- CN202621873U CN202621873U CN 201220129891 CN201220129891U CN202621873U CN 202621873 U CN202621873 U CN 202621873U CN 201220129891 CN201220129891 CN 201220129891 CN 201220129891 U CN201220129891 U CN 201220129891U CN 202621873 U CN202621873 U CN 202621873U
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- China
- Prior art keywords
- mold core
- slide block
- secondary slide
- die core
- master slider
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Abstract
The utility model discloses a forming die of a small-sized pneumatic cylinder body with cooling fins. The forming die comprises a slide block component, an upper die frame, a lower die frame, an upper die core and a lower die core, wherein the upper die core and the lower die core are all provided with mold cavities in a small-sized pneumatic cylinder body shape with the cooling fins, a pouring mouth is arranged on the upper die frame, and a split-flow cone matched with the pouring mouth is arranged on the lower die frame, an upper half part of a main flow channel is arranged on the upper die core and matched with the pouring mouth, a lower half part of the main flow channel is arranged on the lower die core and matched with the split-flow cone, and the pouring mouth and the split-flow cone are respectively arranged corresponding to cooling fan groove parts of the molding cavities on the upper die core and the lower die core; air discharge ducts are all arranged at the bottoms of the cooling fin grooves of the molding cavities on the upper die core and the lower die core; and air discharge flow channels are arranged on the lower die core and located on tail end positions where metal liquid in the molding cavity of the lower die core flows to, a lower half part of an air discharge main channel block is arranged on the lower die frame, and an upper half part of the air discharge main channel block is arranged on the upper die frame. The forming die of the small-sized pneumatic cylinder body with the cooling fins is good in forming effect and air exhaust effect, and forming products have low cold shut occurrence rate.
Description
Technical field
The present invention relates to a kind of die casting, the mould of particularly small-sized flange-cooled air pressure cylinder body.
Background technology
Die cast is a kind of common mode of production in the present commercial production, and forming principle is exactly that metal material is injected the die casting cooling forming through die casting machine.
At present, the high-speed small-size engine of usefulness such as forest fire fighting, gardens pruning, its cylinder surface basically all is provided with the integrated radiating sheet of One's name is legion; These fin are thin-wall construction, so the design of heat radiation film trap is narrow, simultaneously also darker in its corresponding die casting design; Make that like this wheel rim place temperature of heat radiation film trap is lower, and the molten metal of coming in from the sprue gate is during through a plurality of heat radiation film trap, flow rate of metal is slower; Therefore be easy to generate cold shut, pore, the scrappage of product is high; Simultaneously in its die casting design, in order to reduce the die sinking difficulty, on the die casting design of exhaust outlet all smaller, make product in press casting procedure, be easy to generate bubble like this.
Summary of the invention
The objective of the invention is provides a kind of good forming effect for the deficiency that solves above-mentioned prior art, and the cold shut occurrence rate is low, simultaneously the mould of the small-sized flange-cooled air pressure cylinder body of good exhaust effect.
To achieve these goals; The mould of the small-sized flange-cooled air pressure cylinder body that the present invention designed; The upper mold core and the lower mold core that comprise slide block assembly, go up framed, low mold frame and all have the die cavity of small-sized flange-cooled pneumatic cylinder shape saidly the framed sprue gate that is provided with, and low mold frame is provided with the branch flow cone that cooperates with the sprue gate; Said upper mold core is provided with the first half of sprue; The first half of sprue cooperates with the sprue gate, and said lower mold core is provided with the latter half of sprue, and the latter half of sprue cooperates with dividing flow cone; Die cavity on said upper mold core, the lower mold core is corresponding to be provided with, it is characterized in that said sprue gate, divide flow cone respectively with the corresponding setting of fin slot part of upper mold core, lower mold core upper impression; The fin trench bottom of said upper mold core, lower mold core upper impression is equipped with air discharge duct; Said lower mold core is provided with grate flow channel; Grate flow channel is positioned at the terminal position that its die cavity inner metal liquid flows to; On low mold frame, be provided with the latter half of exhaust main channel piece; In last the first half that is provided with exhaust main channel piece on framed, the first half of exhaust main channel piece cooperates with the latter half of exhaust main channel piece and is connected with grate flow channel.
The above-mentioned mould of utilization in die cast, product die cast better effects if, and also the cold shut occurrence rate is low, and the exhaust effect of the invention simultaneously is good.
As preferably; Said slide block assembly is made up of a master slider, two secondary slide blocks and the main Angle Pin that cooperates with master slider, secondary slide block and secondary Angle Pin, on low mold frame, has to be a master slider groove and two secondary slide block slots that " article " font is arranged, the master slider groove is positioned in the middle of two secondary slide block slots; Be equipped with main running rail on the two side of master slider groove; Be equipped with secondary slide rail on the two side of secondary slide block slot, master slider through with the main running rail matching and fixing in the master slider groove, two secondary slide blocks are all through cooperating independent stationary in two secondary slide block slots with secondary slide rail; Master slider is provided with main Angle Pin mating holes; Secondary slide block is provided with secondary Angle Pin mating holes, the corresponding master slider of main Angle Pin be fixed on framed on, the secondary slide block of secondary Angle Pin correspondence be fixed on framed on; This priority scheme project organization is simple, makes matched moulds, stripping operation easy; Cooperation is provided with top plate member at the low mold frame back; Said top plate member is made up of with the parallel thimble that is erected at the quantification on the top board top board; The thimble of quantification runs through the latter half, low mold frame and the lower mold core of exhaust main channel piece; This preferred version makes after the demoulding that the shaped article pickup is convenient.
The mould of the mini zone fin air pressure cylinder body that the present invention obtains; Its sprue gate, divide flow cone respectively with the corresponding setting of fin slot part of upper and lower core rod upper impression; So just shortened the distance of the fin slot part of sprue gate and die cavity, molten metal can better get in the heat radiation film trap through pressure; And the setting of air discharge duct, make the air pressure that in press casting procedure, can reduce the fin trench bottom of upper and lower core rod upper impression, thereby reduce the cold shut of the fin section outer surface of product; Exhaust effect of the present invention is good simultaneously, and overall construction design is simple, and matched moulds, the demoulding are all more convenient.
Description of drawings
Fig. 1 is the structural representation of low mold frame among the embodiment 1;
Fig. 2 goes up framed structural representation among the embodiment 1;
Fig. 3 is the longitudinal cross-section sketch map behind low mold frame among the embodiment 1, the last framed matched moulds;
Fig. 4 is the transverse sectional view behind low mold frame among the embodiment 1, the last framed matched moulds;
Fig. 5 is the partial schematic diagram of the fin slot part of upper and lower core rod upper impression among the embodiment 1;
Fig. 6 is an A-A cutaway view among Fig. 1;
Fig. 7 is a B place enlarged drawing among Fig. 6;
Fig. 8 is that the first half of exhaust main channel piece among the embodiment 1 cooperates the back structural representation with the latter half of exhaust main channel piece.
Among the figure: low mold frame 1; Lower mold core 11; Divide flow cone 12; Master slider groove 13; Secondary slide block slot 14; Grate flow channel 112; The first half 113 of sprue; Heat radiation film trap 122; Air discharge duct 1221; Go up framed 2; Upper mold core 21; Sprue gate 22; The latter half 211 of sprue; The latter half 3 of exhaust main channel piece; Step 31; The exhaust main channel 34 of S shape; The first half 4 of exhaust main channel piece; Main running rail 51; Secondary slide rail 52; Master slider 61; Secondary slide block 62; Main Angle Pin mating holes 611; Secondary Angle Pin mating holes 621; Main Angle Pin 71; Secondary Angle Pin 72; Top board 8; Thimble 81; Barrel mouth 9.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Embodiment 1:
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; The mould of the small-sized flange-cooled air pressure cylinder body that present embodiment provides; Comprise top plate member, slide block assembly, go up framed 2, low mold frame 1 and lay respectively at framed 2, low mold frame 1 center, and all have the upper mold core 21 and lower mold core 11 of the die cavity of small-sized flange-cooled pneumatic cylinder shape, framed 2 be provided with sprue gate 22 said; Low mold frame 1 is provided with the branch flow cone 12 that cooperates with sprue gate 22; Said upper mold core 21 is provided with the first half 211 of sprue, and the first half 211 of sprue cooperates with sprue gate 22, and said lower mold core 11 is provided with the latter half 113 of sprue; The latter half 113 of sprue cooperates with dividing flow cone 12; Die cavity on said upper mold core 21, the lower mold core 11 is corresponding to be provided with, and top plate member is made up of with the parallel thimble 81 that is erected on the top board 8 top board 8, like Fig. 6, shown in Figure 7; Thimble 81 runs through the latter half 3, low mold frame 1 and the lower mold core 11 of exhaust main channel piece, said sprue gate 22, divide flow cone 12 respectively with the corresponding setting of heat radiation film trap 122 parts of upper mold core 21, lower mold core 11 upper impression; As shown in Figure 5, the heat radiation film trap 122 parts bottom of said upper mold core 21, lower mold core 11 upper impression is equipped with air discharge duct 1221, and the preferred thickness of said air discharge duct 1221 is the 0.015-0.02 silk; Said lower mold core 11 is provided with the grate flow channel 112 of two symmetrical structures; Grate flow channel 112 is positioned at the terminal position that its die cavity inner metal liquid flows to; On low mold frame 1, be provided with the latter half 3 of exhaust main channel piece; On last framed 2, be provided with the first half 4 of exhaust main channel piece, the first half 4 of exhaust main channel piece cooperates with the latter half 3 of exhaust main channel piece and is connected with grate flow channel 112.
As shown in Figure 8; The first half 4 of exhaust main channel piece cooperates the exhaust main channel 34 that forms S shape in the present embodiment with the latter half 3 of exhaust main channel piece; The latter half 3 of piece tops bar 31 in the exhaust main channel simultaneously; Step 31 is positioned at the interface of grate flow channel 112 and exhaust main channel 34, and above-mentioned design can slow down the flow velocity of molten metal, guarantees to have enough molten metals to get into.
Said slide block assembly is made up of a master slider 61, two secondary slide blocks 62 and the main Angle Pin 71 that cooperates with master slider 61, secondary slide block 62 and secondary Angle Pin 72; On low mold frame 1, have and be a master slider groove 13 and two secondary slide block slots 14 that " article " font is arranged; Master slider groove 13 is positioned in the middle of two secondary slide block slots 14; Be equipped with main running rail 51 on the two side of master slider groove 13; Be equipped with secondary slide rail 52 on the two side of secondary slide block slot 14, master slider 61 through with main running rail 51 matching and fixing in master slider groove 13, two secondary slide blocks 62 are all through cooperating independent stationary in two secondary slide block slots 14 with secondary slide rail 52; Master slider 61 is provided with main Angle Pin mating holes 611; Secondary slide block 62 is provided with secondary Angle Pin mating holes 621, and main Angle Pin 71 corresponding master sliders 61 are fixed on framed 2, and secondary Angle Pin 72 corresponding secondary slide blocks 62 are fixed on framed 2.This priority scheme project organization is simple, makes matched moulds, die sinking easy and simple to handle.
Present embodiment is produced in the use concrete; The sprue gate 22 of going up on framed 2 cooperates with the barrel mouth 9 of die casting machine; 22 entering from the sprue gate under pressure of preferred DCC280 die casting machine, the molten metal in the barrel are owing to the heat radiation film trap 122 parts corresponding setting of sprue gate 22 with upper and lower core rod upper impression; So just shortened the distance of sprue gate 22 with heat radiation film trap 122 parts of die cavity, molten metal can better get in the heat radiation film trap 122 through pressure; And the setting of air discharge duct 1221, make the air pressure of the heat radiation film trap 122 parts bottom that in press casting procedure, can reduce upper and lower core rod upper impression, thereby reduce the cold shut of the fin section outer surface of product that exhaust effect of the present invention is good simultaneously.
Claims (3)
1. the mould of a small-sized flange-cooled air pressure cylinder body; Comprise slide block assembly, the upper mold core (21) and the lower mold core (11) that go up framed (2), low mold frame (1) and all have the die cavity of small-sized flange-cooled pneumatic cylinder shape; Said framed (2) are provided with sprue gate (22); Low mold frame (1) is provided with the branch flow cone (12) that cooperates with sprue gate (22); Said upper mold core (21) is provided with the first half (211) of sprue; The first half of sprue (211) cooperates with sprue gate (22), and said lower mold core (11) is provided with the latter half (113) of sprue, and the latter half of sprue (113) cooperates with dividing flow cone (12); Die cavity on said upper mold core (21), the lower mold core (11) is corresponding to be provided with, it is characterized in that said sprue gate (22), divide flow cone (12) respectively with the corresponding setting of heat radiation film trap (122) part of upper mold core (21), lower mold core (11) upper impression; Heat radiation film trap (122) the part bottom of said upper mold core (21), lower mold core (11) upper impression is equipped with air discharge duct (1221); Said lower mold core (11) is provided with grate flow channel (112); Grate flow channel (112) is positioned at the terminal position that its die cavity inner metal liquid flows to; On low mold frame (1), be provided with the latter half (3) of exhaust main channel piece; On last framed (2), be provided with the first half (4) of exhaust main channel piece, the first half (4) of exhaust main channel piece cooperates with the latter half (3) of exhaust main channel piece and is connected with grate flow channel (112).
2. the mould of small-sized flange-cooled air pressure cylinder body according to claim 1; It is characterized in that said slide block assembly is made up of a master slider (61), two secondary slide blocks (62) and the main Angle Pin (71) that cooperates with master slider (61), secondary slide block (62) and secondary Angle Pin (72); On low mold frame (1), have and be a master slider groove (13) and two the secondary slide block slots (14) that " article " font is arranged; Master slider groove (13) is positioned in the middle of two secondary slide block slots (14); Be equipped with main running rail (51) on the two side of master slider groove (13); Be equipped with secondary slide rail (52) on the two side of secondary slide block slot (14), master slider (61) through with main running rail (51) matching and fixing in master slider groove (13), two secondary slide blocks (62) are all through cooperating independent stationary in two secondary slide block slots (14) with secondary slide rail (52); Master slider (61) is provided with main Angle Pin mating holes (611); Secondary slide block (62) is provided with secondary Angle Pin mating holes (621), and the corresponding master slider of main Angle Pin (71) (61) is fixed on framed (2), and the corresponding secondary slide block of secondary Angle Pin (72) (62) is fixed on framed (2).
3. the mould of small-sized flange-cooled air pressure cylinder body according to claim 1 and 2; It is characterized in that cooperation is provided with top plate member at low mold frame (1) back; Said top plate member is made up of with the parallel thimble (81) that is erected at the quantification on the top board (8) top board (8), and the thimble of quantification (81) runs through the latter half (3), low mold frame (1) and the lower mold core (11) of exhaust main channel piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220129891 CN202621873U (en) | 2012-03-31 | 2012-03-31 | Forming die of small-sized pneumatic cylinder body with cooling fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220129891 CN202621873U (en) | 2012-03-31 | 2012-03-31 | Forming die of small-sized pneumatic cylinder body with cooling fins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202621873U true CN202621873U (en) | 2012-12-26 |
Family
ID=47375116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220129891 Withdrawn - After Issue CN202621873U (en) | 2012-03-31 | 2012-03-31 | Forming die of small-sized pneumatic cylinder body with cooling fins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202621873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847909A (en) * | 2012-03-31 | 2013-01-02 | 宁波市佳利来机械制造有限公司 | Small molding die for pneumatic cylinder with radiating fins |
-
2012
- 2012-03-31 CN CN 201220129891 patent/CN202621873U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102847909A (en) * | 2012-03-31 | 2013-01-02 | 宁波市佳利来机械制造有限公司 | Small molding die for pneumatic cylinder with radiating fins |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121226 Effective date of abandoning: 20140813 |
|
| RGAV | Abandon patent right to avoid regrant |