CN201922550U - Silica gel extrusion mold device - Google Patents
Silica gel extrusion mold device Download PDFInfo
- Publication number
- CN201922550U CN201922550U CN2011200013520U CN201120001352U CN201922550U CN 201922550 U CN201922550 U CN 201922550U CN 2011200013520 U CN2011200013520 U CN 2011200013520U CN 201120001352 U CN201120001352 U CN 201120001352U CN 201922550 U CN201922550 U CN 201922550U
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- die
- silica gel
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- die face
- discharging opening
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Abstract
The utility model provides a silica gel extrusion mold device, comprising a first end, a second end and a runner extended from the first end to the second end; the runner is formed by a lower mold surface, an upper mold surface and two side faces; the lower mold surface and the upper mold surface are roughened; the runner comprises a feed port corresponding to the first end and a discharge port corresponding to the second end; the discharge port is wider than that of the feed port; and the diameter of the feed port gradually increases toward the discharge port. By means of the roughening of the lower mold surface and the upper mold surface, the releasing effect of the silica gel can be improved. The discharge port is wider than that of the feed port, so wide extrusion sheet can be formed according to requirements.
Description
Technical field
The utility model relates to a kind of extrusion equipment, particularly relates to a kind of silica gel extrusion die device.
Background technology
The manufacturing process of rubber finished product need go through raw material mixing, extrude, roll, vulcanize, operation such as processing at last.
With regard to extruding processing procedure, rubber extruder in the past such as TaiWan, China letters patent book number M373816 disclose, via the banded sheet rubber of mould discharging mouth extrusion, the width of discharging opening is roughly less than the material bore, the cylinder that three roads or four road sheet rubbers feed calender again to be rolling the rubber plate that wide cut, follow-uply vulcanizes operation again.
Because it is good that silicon rubber has air-tightness, optical activity was good in anti-day, ozone resistance, resistance to acids and bases is good, flame retardancy is good, high temperature resistant ... etc. characteristic, so silicon rubber is cumulative in the application demand of medical treatment and electronic industry recently, but because silicon rubber does not have high viscosity before the sulfuration as yet, mobile good, mechanical strength a little less than ... etc. characteristic, and the bubble-free requirement of product is high, extruder in the past and extrusion mould also are not suitable for the processing procedure of extrusion wide width silicon rubber, moreover the extrusion mould must be at viscosity that silicon rubber had and is not easy release, mobile height causes characteristic such as the more weak and difficult processing of mechanical strength to be improved.
Summary of the invention
Easy release silica gel extrusion die device when the purpose of this utility model is to provide a kind of energy extrusion wide cut extrusion sheet and the extrusion of extrusion sheet.
Silica gel extrusion die device of the present utility model, cooperate a pair of calendar rollers of calender to carry out feeding, described silica gel extrusion die device comprises a first end, a second end opposite and a runner that extends to this second end by this first end with this first end, this runner is by a lower die face, a last die face relative with this lower die face and two sides that are engaged on respectively between this lower die face and this last die face both sides are defined and are formed, this lower die face is the surface through roughening treatment with the surface that should go up die face, this runner have one to feeding mouth that should first end and one to discharging opening that should the second end, the width of this discharging opening is greater than the width of this feeding mouth, and enlarged gradually towards this discharging opening by this feeding mouth.
Silica gel extrusion die device of the present utility model, the discharging opening of this runner and the width ratio of this feeding mouth are between 6～20.
Silica gel extrusion die device of the present utility model, also include a die shoe and energy upper bolster with respect to these die shoe closure or openness, this die shoe has a counterdie end face and a following die cavity that is arranged with by this counterdie end face, this upper bolster has a patrix bottom surface and a upper mould cave that is arranged with by this patrix bottom surface, this time die cavity and this runner of the involutory generation of this upper mould cave, this lower die face is located at this die shoe and is located at this time die cavity bottom, and die face is located at this upper bolster and is located at this upper mould cave top on this.
Silica gel extrusion die device of the present utility model, also include a cooling unit, this cooling unit has one and unrolls in the cooling duct of these upper and lower both sides of runner and energy imports cooling fluid in the main frame in this cooling duct, this cooling duct has the lower curtate and the upper curtate that is arranged on this upper mould cave top side that are arranged on this time die cavity bottom side, this upper curtate has the intake that can introduce cooling fluid, this lower curtate has the outlet that can discharge cooling fluid, and being connected between this lower curtate and this upper curtate has a conduit.
Silica gel extrusion die device of the present utility model, the lower die face of this die shoe have a shallow flat portion and several are around in the zanjon portion of this shallow flat portion periphery, and the patrix mask of this upper bolster has a shallow flat portion and several to be around in the zanjon portion of this shallow flat portion periphery.
Silica gel extrusion die device of the present utility model, this die shoe have a pair of downward modulation monoblock that is installed in these discharging opening both sides, and this upper bolster has a pair of upper setting block that is installed in these discharging opening both sides.
Silica gel extrusion die device of the present utility model, also include a driver element that can drive this upper bolster with respect to these die shoe closure or openness, this die shoe has a pair of first articulated section and two second articulated sections of being located at both sides, described first articulated section respectively, this upper bolster has a pair of pivot part that is hubbed on this first articulated section and two axle pivot portions that are located at described pivot part both sides respectively, and this driver element has two pressure cylinders that are hubbed on respectively between described second articulated section and the described pivot portion.
Silica gel extrusion die device of the present utility model, this die shoe have a following cancave cambered surface that levels off to pairing calendar rollers, and this upper bolster has a last cancave cambered surface that levels off to pairing calendar rollers.
Silica gel extrusion die device of the present utility model, this lower die face is 0.5 μ m～5 μ m with the surperficial average boldness that should go up die face.
Silica gel extrusion die device of the present utility model, this lower die face is gone up die face chromium layer of plating respectively with this, and the thickness of this chromium layer is 0.1mm～0.8mm.
The beneficial effects of the utility model are: utilize this lower die face and this to go up die face and do surperficial roughening treatment, can improve the release effect of silica gel, and utilize the width of the width of this discharging opening, then can meet the demand of processing operation by the big extrusion sheet of this discharging opening extrusion width greater than this feeding mouth.
Description of drawings
Fig. 1 is the forward sight constitutional diagram of a preferred embodiment of the utility model glue extrusion die device;
Fig. 2 is that amplify and the part cross-sectional schematic part of this preferred embodiment;
Fig. 3 is the schematic top plan view of this preferred embodiment;
Fig. 4 is the sectional perspective decomposing schematic representation of this preferred embodiment;
Fig. 5 is the floor map of the die shoe of this preferred embodiment;
Fig. 6 is the floor map of the upper bolster of this preferred embodiment;
Fig. 7 is the schematic perspective view of a cooling unit of this preferred embodiment;
Fig. 8 is the die sinking operation chart of this preferred embodiment;
Fig. 9 is the flow schematic diagram of the silica gel raw material of this preferred embodiment by runner.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
As Fig. 1, Fig. 2 and shown in Figure 3, a preferred embodiment of the utility model silica gel extrusion die device 100 is arranged on the signature material pipe 210 of an extruder 200, and cooperates a pair of calendar rollers 310 of a calender 300 to carry out feeding.This silica gel extrusion die device 100 comprises one and is connected first end 110 in this signature material pipe 210, one and this first end 110 opposite the second end 120 and a runner 130 that is extended to this second end 120 by this first end 110.
This runner 130 is engaged on this lower die face 131 respectively by the relative last die face 132 of a lower die face 131, and this lower die face 131 and two and should goes up sides 133 between die face 132 both sides and be defined and form, this lower die face 131 was done surperficial roughening treatment with going up die face 132, and this lower die face 131 is 0.5 μ m～5 μ m with the surperficial average boldness of last die face 132.Be the last die face 132 of this lower die face 131 and this to be carried out the sandblast mode process during manufacturing.In addition, this lower die face 131 with should go up die face 132 chromium layer 131 ', 132 ' of plating respectively, can produce rust-proof effect, and described chromium layer 131 ', 132 ' thickness are 0.1mm～0.8mm.This runner 130 have one to feeding mouth 134 that should first end 110 and one to discharging opening 135 that should the second end 120, the width of this discharging opening 135 is greater than the width of this feeding mouth 134, and enlarged gradually towards this discharging opening 135 by this feeding mouth 134, the discharging opening 135 of this runner 130 of present embodiment and the width ratio of this feeding mouth 134 are between 6～20.
And on the structure, this silica gel extrusion die device 100 also comprises a die shoe 10, one can drive this upper bolster 20 driver element 30 and cooling unit 40 with respect to these die shoe 10 closure or openness corresponding to the upper bolster 20 of this die shoe 10, one.
Cooperate and to consult Fig. 4 and Fig. 5, this die shoe 10 has a counterdie end face 11, following die cavity 12, a pair of downward modulation monoblock 13 of these discharging opening 135 both sides, a pair of first articulated section 14 and two second articulated sections 15 of being located at 14 both sides, described first articulated section respectively of being installed in that are arranged with by this counterdie end face 11.This lower die face 131 is located at this die shoe 10 and is located at this time die cavity 12 bottoms, and has a shallow flat portion 121 and several are around in the zanjon portion 122,123 of these shallow flat portion 121 peripheries, this shallow flat portion 121 is general triangular in shape plane, wherein two zanjon portions 122 are corresponding to described side 133, and another zanjon portion 123 is positioned at this discharging opening 135 inboards.In addition, die shoe 10 that should the second end 120 is also had a following cancave cambered surface 16, utilize this time cancave cambered surface 16 to cooperate, this discharging opening 135 is leveled off between the described calendar rollers 310 with pairing calendar rollers 310.Described downward modulation monoblock 13 removably is installed in this discharging opening 135 both sides, and the dismounting by described downward modulation the monoblock 13 and width that can adjust this discharging opening 135 is installed.
Cooperate and to consult Fig. 4 and Fig. 6, this upper bolster 20 has a patrix end face 21, upper mould cave 22, a pair of upper setting block 23 of these discharging opening 135 both sides, a pair of pivot part 24 of described first articulated section 14 and the axle pivot portions 25 that two are located at described pivot part 24 both sides respectively of being hubbed on of being installed in that are arranged with by this patrix end face 21.Should go up die face 132 is located at this upper bolster 20 and is located at this upper mould cave 22 tops, and has a shallow flat portion 221 and several are around in the zanjon portion 222,223 of these shallow flat portion 221 peripheries, this shallow flat portion 221 is general triangular in shape plane, wherein two zanjon portions 222 are corresponding to described side 133 and described zanjon portion 122, and it is inboard and corresponding to this zanjon portion 123 that another zanjon portion 223 is positioned at this discharging opening 135.This upper mould cave 12 can with this runner 130 of this time die cavity 22 involutory generations.In addition, upper bolster 20 that should the second end 120 is also had one go up cancave cambered surface 26, utilize and to go up cancave cambered surface 26 and cooperate, this discharging opening 135 is leveled off between the described calendar rollers 310 with pairing calendar rollers 310.Described upper setting block 23 removably is installed in this discharging opening 135 both sides, and the dismounting by described the upper setting block 23 and width that can adjust this discharging opening 135 is installed.
This driver element 30 has two pressure cylinders 31, and it is flexible and be hubbed on the piston rod 312 of described axle pivot portion 25 with respect to this cylinder body 311 that described pressure cylinder 31 respectively has a cylinder body 311 that is hubbed on described second articulated section 15 and energy.
Cooperate and to consult Fig. 7, this cooling unit 40 has one and unrolls in the cooling duct 41 of this runner 130 upper and lower both sides and energy imports cooling fluid (present embodiment is a cold water) in the main frame 42 in this cooling duct 41.This cooling duct 41 also has a upper curtate 411 that is arranged on these upper mould cave 22 top sides and is circuitous winding, a lower curtate 412 and a conduit 413 that is connected between this upper curtate 411 and this lower curtate 412 that is arranged on this time die cavity 12 bottom sides and is the winding of making a circulation, this upper curtate 411 has first interface 415 of the intake 414 that can introduce cooling fluid and and these intake 414 opposite settings, and this lower curtate 412 has one second interface 416 and one and these second interface, 416 opposite outlets 417 that are provided with and cooling fluid can be flow back to this main frame 42.
Fig. 1 for another example, Fig. 2 and shown in Figure 3, when the silica gel raw material is delivered to this extrusion die device 100 from the signature material pipe 210 of this extruder 200, and this feeding mouth 134 imports and when flowing through this runner 130 certainly, at last can be by these discharging opening 135 extrusions, and utilize the width of the width of this discharging opening 135 greater than this feeding mouth 134, and the effect that enlarges gradually towards this discharging opening 135 by this feeding mouth 134, can be by these discharging opening 135 extrusion wide cut extrusion sheets, and utilize this time cancave cambered surface 16 again, this last cancave cambered surface 26 cooperates with described calendar rollers 310, the extrusion sector-meeting feeds between the described calendar rollers 310 immediately, and rolls operation.
Above-mentioned silica gel feed stream is in the time of this runner 130, the main frame 42 of this cooling unit 40 can be sent to the upper curtate of being located in this upper bolster 20 411 with cooling fluid, again by these conduit 413 drainages to the lower curtate of being located in this die shoe 10 412, can cool off the silica gel raw material, make the silica gel raw material easily from this lower die face 131, die face 132 is release on this, and the texture hardening makes the extrusion sheet of institute's extrusion have preferable mechanical strength and processing easily.
Again as shown in Figure 9, above-mentioned silica gel feed stream is in the time of this runner 130, utilize this lower die face 131 to handle, can make silica gel raw material and this lower die face 131, contact area of die face 132 is little on this, frictional force is little, flowability is good with going up the surface coarsening that die face 132 done.
Utilize the design at extrusion die device of the present utility model 100 each position, have following effect:
One, utilize the width of the width of this discharging opening 135 greater than this feeding mouth 134, and the effect that enlarges gradually towards this discharging opening 135 by this feeding mouth 134, can be by these discharging opening 135 extrusion wide cut extrusion sheets, to meet the utilization of industrial circle.
Two, utilize this cooling unit 40 can make the temperature of this extrusion die device 100 remain on 28 ℃～10 ℃, compare low 10 ℃ approximately with environment temperature, so, can make the silica gel raw material quality hardening of this runner 130 of flowing through, not only have mechanical strength and processability preferably, and easily from this lower die face 131, die face 132 is release on this, is not stained with glutinous.Moreover, utilize also can prevent from the to flow through silica gel raw material prevulcanization (burning) of this runner 130 of this cooling unit 40.
Three, this lower die face 131 was done surperficial roughening treatment with going up die face 132, can reduce silica gel raw material and this lower die face 131 and the frictional force that should go up die face 132, and was mobile good.
Four, this lower die face 131 with should go up die face 132 and do antirust processing, can guarantee this lower die face 131, the release effect of die face 132 on this.
Five, utilize this time cancave cambered surface 16, the cooperating of cancave cambered surface 26 and described calendar rollers 310 on this, the extrusion sheet by these discharging opening 135 extrusions after, feed immediately between the described calendar rollers 310, can avoid air to sneak in the extrusion sheet, guarantee the quality of extrusion sheet.
Six, utilize the setting of described zanjon portion 122,123,222,223, make this runner 130 have the function of pressure accumulation, can guarantee extrusion sheet quality from these discharging opening 135 extrusions.
Seven, utilize the pivot part 24 of this upper bolster 20 to be articulated in described first articulated section 14, and the setting of this driver element 30, as shown in Figure 8, when the cylinder body 311 that starts described pressure cylinder 31 is done to stretch out action, described pivot part 24 is produced with respect to described first articulated section 14 to pivot, and drive this upper bolster 20 and upwardly open, to be convenient to carry out lower die face 131 and the cleaning that should go up die face 132 with respect to this die shoe 10.
Eight, utilize described downward modulation monoblock 13 to be installed in this discharging opening 135 both sides, can adjust the width size of this discharging opening 135 on demand with described upper setting block 23.
Claims (10)
1. a silica gel extrusion die device cooperates a pair of calendar rollers of calender to carry out feeding, it is characterized in that:
This silica gel extrusion die device comprises a first end, a second end opposite and a runner that extends to this second end by this first end with this first end, this runner is by a lower die face, a last die face relative with this lower die face and two sides that are engaged on respectively between this lower die face and this last die face both sides are defined and are formed, this lower die face is the surface through roughening treatment with the surface that should go up die face, this runner have one to feeding mouth that should first end and one to discharging opening that should the second end, the width of this discharging opening is greater than the width of this feeding mouth, and enlarged gradually towards this discharging opening by this feeding mouth.
2. silica gel extrusion die device according to claim 1 is characterized in that: the discharging opening of this runner and the width ratio of this feeding mouth are between 6～20.
3. silica gel extrusion die device according to claim 2, it is characterized in that: also include a die shoe and energy upper bolster with respect to these die shoe closure or openness, this die shoe has a counterdie end face and a following die cavity that is arranged with by this counterdie end face, this upper bolster has a patrix bottom surface and a upper mould cave that is arranged with by this patrix bottom surface, this time die cavity and this runner of the involutory generation of this upper mould cave, this lower die face is located at this die shoe and is located at this time die cavity bottom, and die face is located at this upper bolster and is located at this upper mould cave top on this.
4. silica gel extrusion die device according to claim 3, it is characterized in that: also include a cooling unit, this cooling unit has one and unrolls on this runner, the cooling duct of following both sides and energy import cooling fluid in the main frame in this cooling duct, this cooling duct has the lower curtate and the upper curtate that is arranged on this upper mould cave top side that are arranged on this time die cavity bottom side, this upper curtate has the intake that can introduce cooling fluid, this lower curtate has the outlet that can discharge cooling fluid, and being connected between this lower curtate and this upper curtate has a conduit.
5. silica gel extrusion die device according to claim 3, it is characterized in that: the lower die face of this die shoe has a shallow flat portion and several are around in the zanjon portion of this shallow flat portion periphery, and the patrix mask of this upper bolster has a shallow flat portion and several to be around in the zanjon portion of this shallow flat portion periphery.
6. silica gel extrusion die device according to claim 3 is characterized in that: this die shoe has a pair of downward modulation monoblock that is installed in these discharging opening both sides, and this upper bolster has a pair of upper setting block that is installed in these discharging opening both sides.
7. silica gel extrusion die device according to claim 3, it is characterized in that: also include a driver element that can drive this upper bolster with respect to these die shoe closure or openness, this die shoe has a pair of first articulated section and two second articulated sections of being located at both sides, described first articulated section respectively, this upper bolster has a pair of pivot part that is hubbed on this first articulated section and two axle pivot portions that are located at described pivot part both sides respectively, and this driver element has two pressure cylinders that are hubbed on respectively between described second articulated section and the described pivot portion.
8. silica gel extrusion die device according to claim 3 is characterized in that: this die shoe has a following cancave cambered surface that levels off to pairing calendar rollers, and this upper bolster has a last cancave cambered surface that levels off to pairing calendar rollers.
9. according to each described silica gel extrusion die device of claim 1 to 8, it is characterized in that: this lower die face is 0.5 μ m～5 μ m with the surperficial average boldness that should go up die face.
10. according to each described silica gel extrusion die device of claim 1 to 8, it is characterized in that: this lower die face is gone up die face chromium layer of plating respectively with this, and the thickness of this chromium layer is 0.1mm～0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200013520U CN201922550U (en) | 2011-01-05 | 2011-01-05 | Silica gel extrusion mold device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200013520U CN201922550U (en) | 2011-01-05 | 2011-01-05 | Silica gel extrusion mold device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201922550U true CN201922550U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200013520U Expired - Fee Related CN201922550U (en) | 2011-01-05 | 2011-01-05 | Silica gel extrusion mold device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201922550U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253852A (en) * | 2019-06-19 | 2019-09-20 | 桂林电子科技大学 | Collapsible broad-amplitude film extrusion die design method |
| CN110466134A (en) * | 2019-06-26 | 2019-11-19 | 安徽高创光电通信技术有限公司 | Fiber paste air bubble eliminating device |
-
2011
- 2011-01-05 CN CN2011200013520U patent/CN201922550U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253852A (en) * | 2019-06-19 | 2019-09-20 | 桂林电子科技大学 | Collapsible broad-amplitude film extrusion die design method |
| CN110466134A (en) * | 2019-06-26 | 2019-11-19 | 安徽高创光电通信技术有限公司 | Fiber paste air bubble eliminating device |
| CN110466134B (en) * | 2019-06-26 | 2024-01-26 | 安徽高创光电通信技术有限公司 | Fiber paste bubble removing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20190105 |