CN104552741A - Device and method for preparing small-size conical silicone tube - Google Patents
Device and method for preparing small-size conical silicone tube Download PDFInfo
- Publication number
- CN104552741A CN104552741A CN201410788188.0A CN201410788188A CN104552741A CN 104552741 A CN104552741 A CN 104552741A CN 201410788188 A CN201410788188 A CN 201410788188A CN 104552741 A CN104552741 A CN 104552741A
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- Prior art keywords
- conical
- die cavity
- sebific duct
- hole
- small size
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C2045/0094—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor injection moulding of small-sized articles, e.g. microarticles, ultra thin articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Silicon Compounds (AREA)
Abstract
The invention provides a device and a method for preparing a small-size conical silicone tube. The preparation device comprises an upper shell with a conical cavity, a lower shell with a conical cavity, a conical core, a circular positioning pin, a connecting bolt, a lifting screw and two anti-leakage plugs. The conical core is assembled and positioned by virtue of the conical cavities in the upper shell and the lower shell; the positioning pin is inserted into positioning holes of the upper shell and the lower shell so as to ensure the assembling precision; the lifting screw is used for screwing into the upper shell and the lower shell to realize the demolding process after silicone curing is ended; and the anti-leakage plugs are used for plugging injection holes and exhaust holes in the upper and lower shells after injection molding is ended. The device is simple and reliable in structure, the operability of the preparation process is high, the device is very suitable for small scale production of nonstandard-part small-size conical silicone tubes, the production cost of the small-size conical silicone tubes can be effectively reduced, and the preparation time of the conical silicone tubes can be shortened.
Description
Technical field
The invention belongs to silica gel injection molding technology field, relate to device and method prepared by a kind of small size conical silicon sebific duct.
Background technology
Circular silicone tube kind specification in the market not with tapering is all more complete, and silicone tube can be divided into " extruding pipe ", " shape tube bar ".Silicone tube is added on twin-screw extruder or in airtight kneader by giving birth to silica gel, adds White Carbon black gradually and other auxiliary agent is refined evenly repeatedly, makes product by extruding.But in some scientific research and testing about conical blood vessel, need some conical silicon sebific ducts to simulate the stuctures and properties of the blood vessel of taper.Because conical silicon sebific duct has certain angle of inclination, when conical silicon sebific duct segment radius r and inclination angle theta are determined, conical pipe large end radius R=L*tan θ+r; Wherein the length of L conical pipe.So when conical pipe length its large end radius R longer is larger, traditional device and method being used for preparing circular silicone tube is difficult to the production of competent conical silicon sebific duct this " non-standard component ".
Summary of the invention
For solving the problems of the technologies described above, the present invention proposes a kind of preparation facilities and method of small size conical silicon sebific duct.A preparation facilities for small size conical silicon sebific duct, comprises upper shell, lower house and taper core; Described upper shell comprises the first installed surface, and described first installed surface offers upper conical die cavity, and described upper conical die cavity is provided with injection hole; Described lower house comprises the second installed surface, and described second installed surface offers inferior pyramidal die cavity, and described inferior pyramidal die cavity is provided with steam vent; First installed surface of described upper shell and the second installed surface of lower house are mounted opposite, described upper conical die cavity and described inferior pyramidal die cavity symmetry equivalent, both form a conical cavity, and described taper core is placed in described conical cavity, and forms uniform gap with described conical cavity.
Further, described upper conical die cavity, inferior pyramidal die cavity and taper core are through polishing.
Further, described injection hole is arranged on the large footpath place of described upper conical die cavity, and described steam vent is arranged on the path place of described inferior pyramidal die cavity.
Further, described upper conical die cavity is provided with upper screwed hole, is provided with draw-screw in described upper screwed hole, and described inferior pyramidal die cavity is provided with lower screwed hole, is provided with lower draw-screw in described lower screwed hole.
Further, described first installed surface offers the first positioning through hole and the second positioning through hole, described second installed surface offers the first locating hole and the second locating hole, in described first positioning through hole and the first locating hole, the first alignment pin is installed, in described second positioning through hole and described second locating hole, the second alignment pin is installed.
Further, described upper shell and described lower house are bolted connection.
Further, the first leakproof stopper is installed in described injection hole, the second leakproof stopper is installed in described steam vent.
A preparation method for small size conical silicon sebific duct, comprises the following steps:
Step one: getting out precision is that 0.01g miniature electronic claims, 5ml syringe, 10ml small beaker, stirring rod; DOW CORNING SYLGARD 184 solvent mixed completely by 10:1 weight ratio with curing agent, then in beaker, respectively stir 60-70 second by suitable, counterclockwise, stirring action amplitude is unsuitable excessive, in order to avoid introduce bubble;
Step 2: small size conical silicon sebific duct preparation facilities is vertically placed, described injection hole is in bottom, described steam vent is in top, take off the first leakproof stopper and the second leakproof stopper, use the silica gel that the syringe aspiration step one of 5ml is deployed, note not introducing air, from injection hole, silica gel is injected upper conical die cavity lentamente, in the gap of the formation of inferior pyramidal die cavity and taper core, when there being silica gel to flow out from steam vent, slow down injection moulding speed, continuation injection moulding stops injection moulding when being 4-6 centimetre to silica gel along the dirty length in the surface of lower house, and retain the silica gel flowed out, leakproof stopper is filled in injection hole, leakproof stopper is filled in steam vent,
Step 3: open heating cabinet when temperature rises to 150 DEG C, the small size conical silicon sebific duct preparation facilities of injection formed is vertically put in insulating box, described injection hole is bottom described heating cabinet, described steam vent is near the top of described heating cabinet, heat and small size conical silicon sebific duct preparation facilities was taken out in 30-40 minute, observe the curdled appearance from the silica gel of steam vent outflow in step 2, if do not solidified, continue heating;
Step 4: if the silica gel flowed out from steam vent in step 2 solidifies, stop heating, treat device cool to room temperature, take off connecting bolt, turn draw-screw or lower draw-screw, taper core is separated with upper inferior pyramidal die cavity, finally takes off the conical silicon sebific duct be attached on taper core.
Beneficial effect of the present invention: this device adopts the mode of manual injection moulding, apparatus structure is simple and reliable, the workable small lot batch manufacture being applicable to very much " non-standard component " small size conical silicon sebific duct of preparation process, can effectively reduce the time prepared by small size conical silicon sebific duct production cost shortening conical silicon sebific duct; The process of manufacture of this device is fairly simple, and the property prepared is strong and cost is low, uses the silica gel utilization rate of originally putting making small size silicone tube higher, can not cause the waste of silica gel; The different tapering of preparation can be realized with the size of taper die cavity, the conical silicon sebific duct of wall thickness and length by the taper core of this device of adjustment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram utilizing the preparation facilities of small size conical silicon sebific duct to prepare conical silicon sebific duct;
Fig. 2 is a kind of upper shell schematic diagram of preparation facilities of small size conical silicon sebific duct;
Fig. 3 is upper shell C-C sectional view;
Fig. 4 is upper shell B-B sectional view;
Fig. 5 is a kind of lower house schematic diagram of preparation facilities of small size conical silicon sebific duct;
Fig. 6 is lower house B-B sectional view;
Fig. 7 is lower house A-A sectional view;
Fig. 8 is a kind of taper core schematic diagram of preparation facilities of small size conical silicon sebific duct;
Fig. 9 is a kind of scheme of installation of preparation facilities of small size conical silicon sebific duct.
In figure: 1, heating cabinet 2, upper shell 3, 5ml syringe 4, lower house 5, taper core 21, upper conical die cavity 22, upper screwed hole 23, injection hole 241, screwed hole 242, screwed hole 243, screwed hole 244, screwed hole 251, first positioning through hole 252, second positioning through hole 26, first installed surface 41, inferior pyramidal die cavity 42, lower screwed hole 43, steam vent 441, screwed hole 442, screwed hole 443, screwed hole 444, screwed hole 451, first locating hole 452, second locating hole 46, second installed surface 61, bolt 62, bolt 63, bolt 64, bolt 71, first leakproof stopper 72, second leakproof stopper 81, first alignment pin 82, second alignment pin 91, upper draw-screw 92, lower draw-screw 101, nut 102, nut 103, nut 104, nut.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As shown in Figure 2 and Figure 3, a kind of preparation facilities of small size conical silicon sebific duct, comprises upper shell 2, lower house 4 and taper core 5; Described upper shell 2 comprises the first installed surface 26, and described first installed surface 26 offers upper conical die cavity 21, and described upper conical die cavity 21 is provided with injection hole 23; Described lower house 4 comprises the second installed surface 46, and described second installed surface 46 offers inferior pyramidal die cavity 41, and described inferior pyramidal die cavity 41 is provided with steam vent 43; First installed surface 26 of described upper shell 2 is mounted opposite with the second installed surface 46 of lower house 4, described upper conical die cavity 21 is symmetry equivalent with described inferior pyramidal die cavity 41, both form a conical cavity, described taper core 5 is placed in described conical cavity, and form uniform gap with described conical cavity, this gap thickness equals the wall thickness of conical silicon sebific duct, and the tapering of taper die cavity equals the tapering of conical silicon sebific duct; The tapering increasing or reduce conical silicon sebific duct is reached by the tapering of increase and decrease taper core 5, upper conical die cavity 21 and inferior pyramidal die cavity 41; The wall thickness of conical silicon sebific duct is increased or reduces by the gap between increase and decrease taper core 5 and upper inferior pyramidal die cavity.This device adopts the mode of manual injection moulding, apparatus structure is simple and reliable, the workable small lot batch manufacture being applicable to very much " non-standard component " small size conical silicon sebific duct of preparation process, can effectively reduce the time prepared by small size conical silicon sebific duct production cost shortening conical silicon sebific duct.
In such scheme, described upper conical die cavity 21, inferior pyramidal die cavity 41 and taper core 5 are through polishing, the smoothness being conducive to increase conical silicon sebific duct surface.
In such scheme, described injection hole 23 is arranged on the large footpath place of described upper conical die cavity 21, described steam vent 43 is arranged on the path place of described inferior pyramidal die cavity 41, during injection moulding, small size conical silicon sebific duct preparation facilities is vertically placed, described injection hole 23 is in bottom, and described steam vent 43 is in top, fills up upper conical die cavity 21, gap between inferior pyramidal die cavity 41 and taper core 5 more fully from top to bottom to make silica gel.
In such scheme, described upper conical die cavity 21 is provided with upper screwed hole 22, is provided with draw-screw 91 in described upper screwed hole 22, and described inferior pyramidal die cavity 41 is provided with lower screwed hole 42, is provided with lower draw-screw 92 in described lower screwed hole 42.Upper draw-screw 91, lower draw-screw 92 are used for screwing in upper screwed hole 22 and lower screwed hole 42 and realize knockout course after silica gel solidification terminates.
In such scheme, described first installed surface 26 offers the first positioning through hole 251 and the second positioning through hole 252, described second installed surface 46 offers the first locating hole 451 and the second locating hole 452, in described first positioning through hole 251 and the first locating hole 451, first alignment pin 81 is installed, in described second positioning through hole 252 and described second locating hole 452, the second alignment pin 82 is installed to guarantee assembly precision.
In such scheme, described upper shell 2 is bolted connection with described lower house 4.
In such scheme, the first leakproof stopper 71 is installed in described injection hole 23, the second leakproof stopper 72 is installed in described steam vent 43.Can prevent the silica gel injected in housing from flowing out due to volumetric expansion when Action of Gravity Field and heating.
A preparation method for small size conical silicon sebific duct, comprises the following steps:
Step one: getting out precision is that 0.01g miniature electronic claims, 5ml syringe, 10ml small beaker, stirring rod; DOW CORNING SYLGARD 184 solvent mixed completely by 10:1 weight ratio with curing agent, then in beaker, respectively stir 60-70 second by suitable, counterclockwise, stirring action amplitude is unsuitable excessive, in order to avoid introduce bubble;
Step 2: small size conical silicon sebific duct preparation facilities is vertically placed, described injection hole 23 is in bottom, described steam vent 43 is in top, take off the first leakproof stopper 71 and the second leakproof stopper 72, use the silica gel that the syringe aspiration step one of 5ml is deployed, note not introducing air, from injection hole 23, silica gel is injected upper conical die cavity 21 lentamente, inferior pyramidal die cavity 41 is with in the gap of the formation of taper core 5, when there being silica gel to flow out from steam vent 43, slow down injection moulding speed, the surface dirty length of continuation injection moulding to silica gel along lower house 4 stops injection moulding when being 4-6 centimetre, and retain the silica gel flowed out, leakproof stopper 71 is filled in injection hole 23, leakproof stopper 72 is filled in steam vent 43,
Step 3: open heating cabinet 1 when temperature rises to 150 DEG C, the small size conical silicon sebific duct preparation facilities of injection formed is vertically put in insulating box, described injection hole 23 is bottom described heating cabinet 1, described steam vent 43 is near the top of described heating cabinet 1, heat and small size conical silicon sebific duct preparation facilities was taken out in 30-40 minute, observe the curdled appearance from the silica gel of steam vent 43 outflow in step 2, if do not solidified, continue heating;
Step 4: if the silica gel flowed out from steam vent 43 in step 2 solidifies, stop heating, treat device cool to room temperature, take off connecting bolt, turn draw-screw 91 or lower draw-screw 92, taper core 5 is separated with upper inferior pyramidal die cavity, finally takes off the conical silicon sebific duct be attached on taper core 5.
Described embodiment is the preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (8)
1. a preparation facilities for small size conical silicon sebific duct, comprises upper shell (2), lower house (4) and taper core (5);
Described upper shell (2) comprises the first installed surface (26), and described first installed surface (26) offers upper conical die cavity (21), and described upper conical die cavity (21) is provided with injection hole (23); Described lower house (4) comprises the second installed surface (46), and described second installed surface (46) offers inferior pyramidal die cavity (41), and described inferior pyramidal die cavity (41) is provided with steam vent (43);
First installed surface (26) of described upper shell (2) and second installed surface (46) of lower house (4) are mounted opposite, described upper conical die cavity (21) is symmetry equivalent with described inferior pyramidal die cavity (41), both form a conical cavity, described taper core (5) is placed in described conical cavity, and forms uniform gap with described conical cavity.
2. the preparation facilities of a kind of small size conical silicon sebific duct according to claim 1, is characterized in that, described upper conical die cavity (21), inferior pyramidal die cavity (41) and taper core (5) are through the parts of polishing.
3. the preparation facilities of a kind of small size conical silicon sebific duct according to claim 1, it is characterized in that, described injection hole (23) is arranged on the large footpath place of described upper conical die cavity (21), and described steam vent (43) is arranged on the path place of described inferior pyramidal die cavity (41).
4. the preparation facilities of a kind of small size conical silicon sebific duct according to claim 1, it is characterized in that, described upper conical die cavity (21) is provided with upper screwed hole (22), draw-screw (91) is installed in described upper screwed hole (22), described inferior pyramidal die cavity (41) is provided with lower screwed hole (42), is provided with lower draw-screw (92) in described lower screwed hole (42).
5. the preparation facilities of a kind of small size conical silicon sebific duct according to claim 1, it is characterized in that, described first installed surface (26) offers the first positioning through hole (251) and the second positioning through hole (252), described second installed surface (46) offers the first locating hole (451) and the second locating hole (452), in described first positioning through hole (251) and the first locating hole (451), the first alignment pin (81) is installed, in described second positioning through hole (252) and described second locating hole (452), the second alignment pin (82) is installed.
6. the preparation facilities of a kind of small size conical silicon sebific duct according to claim 1, is characterized in that, described upper shell (2) and described lower house (4) are bolted connection.
7. the preparation facilities of a kind of small size conical silicon sebific duct according to claim 1, is characterized in that, is provided with leakproof stopper in described injection hole (23) and steam vent (43).
8. a preparation method for small size conical silicon sebific duct, is characterized in that, comprises the following steps:
Step one: getting out precision is that 0.01g miniature electronic claims, 5ml syringe, 10ml small beaker, stirring rod; DOW CORNING SYLGARD 184 solvent mixed completely by 10:1 weight ratio with curing agent, then in beaker, respectively stir 60-70 second by suitable, counterclockwise, stirring action amplitude is unsuitable excessive, in order to avoid introduce bubble;
Step 2: small size conical silicon sebific duct preparation facilities is vertically placed, described injection hole (23) is in bottom, described steam vent (43) is in top, take off the first leakproof stopper (71) and the second leakproof stopper (72), use the silica gel that the syringe aspiration step one of 5ml is deployed, note not introducing air, from injection hole (23), silica gel is injected upper conical die cavity (21) lentamente, inferior pyramidal die cavity (41) is with in the gap of the formation of taper core (5), when there being silica gel to flow out from steam vent (43), slow down injection moulding speed, continuation injection moulding stops injection moulding when being 4-6 centimetre to silica gel along the dirty length in surface of lower house (4), and retain the silica gel flowed out, leakproof stopper (71) is filled in injection hole (23), leakproof stopper (72) is filled in steam vent (43),
Step 3: open heating cabinet (1) when temperature rises to 150 DEG C, the small size conical silicon sebific duct preparation facilities of injection formed is vertically put in insulating box, described injection hole (23) is near described heating cabinet (1) bottom, described steam vent (43) is near the top of described heating cabinet (1), heat and small size conical silicon sebific duct preparation facilities was taken out in 30-40 minute, observe the curdled appearance of the silica gel flowed out from steam vent (43) in step 2, if do not solidified, continue heating;
Step 4: if the silica gel flowed out from steam vent (43) in step 2 solidifies, stop heating, treat device cool to room temperature, take off connecting bolt, turn draw-screw (91) or lower draw-screw (92), taper core (5) is separated with upper inferior pyramidal die cavity, finally takes off the conical silicon sebific duct be attached on taper core (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410788188.0A CN104552741B (en) | 2014-12-19 | 2014-12-19 | A kind of preparation facilitiess of small size taper silica gel tube and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410788188.0A CN104552741B (en) | 2014-12-19 | 2014-12-19 | A kind of preparation facilitiess of small size taper silica gel tube and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104552741A true CN104552741A (en) | 2015-04-29 |
| CN104552741B CN104552741B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410788188.0A Expired - Fee Related CN104552741B (en) | 2014-12-19 | 2014-12-19 | A kind of preparation facilitiess of small size taper silica gel tube and method |
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| JP2006001071A (en) * | 2004-06-16 | 2006-01-05 | Ngk Spark Plug Co Ltd | Mold, cylindrical body manufacturing apparatus and cylindrical body manufacturing method using the same |
| CN101230168A (en) * | 2003-12-19 | 2008-07-30 | 株式会社利其尔 | Resin composition having good transfer properties |
| CN202412607U (en) * | 2011-11-10 | 2012-09-05 | 杭州希格尔电气有限公司 | Injection mould of silicone rubber tube |
| CN102922677A (en) * | 2012-11-23 | 2013-02-13 | 昆山博爱模具开发有限公司 | Spray pipe mold |
| CN203125857U (en) * | 2012-11-28 | 2013-08-14 | 珠海三威注塑模具有限公司 | Pipe injection molding die |
| CN204451003U (en) * | 2014-12-19 | 2015-07-08 | 江苏大学 | A kind of preparation facilities of small size conical silicon sebific duct |
-
2014
- 2014-12-19 CN CN201410788188.0A patent/CN104552741B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230168A (en) * | 2003-12-19 | 2008-07-30 | 株式会社利其尔 | Resin composition having good transfer properties |
| JP2006001071A (en) * | 2004-06-16 | 2006-01-05 | Ngk Spark Plug Co Ltd | Mold, cylindrical body manufacturing apparatus and cylindrical body manufacturing method using the same |
| CN202412607U (en) * | 2011-11-10 | 2012-09-05 | 杭州希格尔电气有限公司 | Injection mould of silicone rubber tube |
| CN102922677A (en) * | 2012-11-23 | 2013-02-13 | 昆山博爱模具开发有限公司 | Spray pipe mold |
| CN203125857U (en) * | 2012-11-28 | 2013-08-14 | 珠海三威注塑模具有限公司 | Pipe injection molding die |
| CN204451003U (en) * | 2014-12-19 | 2015-07-08 | 江苏大学 | A kind of preparation facilities of small size conical silicon sebific duct |
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| CN104552741B (en) | 2017-03-01 |
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