CN201592498U - Rubber plug mold for syringe - Google Patents
Rubber plug mold for syringe Download PDFInfo
- Publication number
- CN201592498U CN201592498U CN2010201271652U CN201020127165U CN201592498U CN 201592498 U CN201592498 U CN 201592498U CN 2010201271652 U CN2010201271652 U CN 2010201271652U CN 201020127165 U CN201020127165 U CN 201020127165U CN 201592498 U CN201592498 U CN 201592498U
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- punch
- die
- rubber plug
- syringe
- template
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Abstract
The utility model provides a rubber plug mold for a syringe, which belongs to the technical field of medical appliances. The utility model solves the problems that the existing rubber plug mold for a syringe has complex production operation and is not capable of removing scrap rubber and burr of the rubber plug. The rubber plug mold comprises a female mold and a male mold which can be buckled together; the female mold has a cylindrical cavity; the center of the bottom of the cylindrical cavity is provided with an axially raised inner rod; the center of the male mold is provided with an axially raised inserting rod; and when the female mold and the male mold are buckled together, the inserting rod is inserted into the cylindrical cavity and is coaxial to the inner rod. The rubber plug mold has the advantages such as effective removal of scrap rubber, convenient processing, reasonable structure and the like.
Description
Technical field
The utility model belongs to technical field of medical instruments, relates to a kind of mould, the particularly a kind of mould that can produce syringe rubber plug.
Background technology
The syringe a kind of instruments commonly used that are people in the treatment disease, it provides very convenient mode in the body for medicine enters smoothly, simultaneously it also to have a cost low, safe, the simple advantage of manufacturing process and extensively by people's employing.Cause the cross infection of virus for fear of using antihygienic syringe, disposable syringe is widely used in field of medical technology.At present, type self-destroyed, safe syringe is various in style, but all use inconveniently because of it, when after having injected Tip protection being covered back stitching, stab medical personnel easily, thereby cause germ to jeopardize medical personnel.And present type self-destroyed, safe syringe is in the processing technology of plug, its processing technology complexity, and the plug qualification rate of producing is not high.Moreover the mould that is used for plug production can not be produced by batch, and this production is quite bothersome.
And in the Shooting Technique of the piston that in our syringe, uses, can produce the very thin burr of one deck on the middle open-work end face of piston, in case people with this piston applications in syringe, after syringe extracted soup, those small burr dissolved easily and influence curative effect of medication in the soup even human body is had side effects.Along with the requirements at the higher level of people, do not allow this situation to occur, thereby our exigence addresses this problem to health.
At problems of the prior art, people have also proposed various solutions, but have failed to solve fully problems of the prior art all the time through long-term exploration.It mainly also has following shortcoming: the syringe rubber plug of producing inevitably can produce overlap and burr, and overlap and burr can be followed transfusion fluid and entered in the human body during use, and human body is caused serious negative effect; And the device of making syringe rubber plug is too complicated, has problems such as inconvenient operation, manufacturing procedure complexity; Moreover plug of the prior art is not a symmetrical structure, must directed plug be assembled on the injection rod in the assembled syringe process, and need artificial assembling, and its production cost height, production efficiency are low.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of syringe rubber plug mould that can effectively remove overlap, easy to process and reasonable in design.
The purpose of this utility model can realize by following technical proposal: this syringe rubber plug mould, comprise the die and the punch that can fasten mutually, it is characterized in that, described die has cylindrical cavity, the bottom centre of cylindrical cavity have axial raised in bar, described punch center has axial raised inserted link, and when die and punch fastening, above-mentioned inserted link inserts in the above-mentioned cylindrical cavity and inserted link and the coaxial setting of interior bar.
The plug two-end structure that comes out with this Mould Machining is identical, and be symmetrical structure, such plug needn't be considered the direction of plug on being assembled to syringe the time, and two ends all can be assembled on the syringe, can save the installation time of syringe rubber plug like this, thereby improve efficiency of assembling.
In above-mentioned syringe rubber plug mould, described plunger end has the convex ring body that radially protrudes, and when die and punch fastening, described convex ring body is positioned at the middle part of cylindrical cavity.
The purpose of She Zhiing is like this, and when capsule forming, convex ring body can form the cavity of annular in the inner moulding of plug, make things convenient for plug to be assembled to syringe like this after, cooperate with convex ring body on the syringe, prevent coming off of plug.
In above-mentioned syringe rubber plug mould, the end face of described convex ring body has shrinkage pool, and described interior boom end is positioned at described shrinkage pool, and leaves the gap between interior boom end and shrinkage pool inwall.
The purpose of She Zhiing is like this, and the effect of dual location is played in the moulding of mould, and has guaranteed the stability in the die molding process, makes that the plug precision that processes is higher, and burr and overlap are still less.
In above-mentioned syringe rubber plug mould, this mould also comprises convex template and concave template, on convex template, be fixed with several above-mentioned punch by demountable structure, describedly on concave template, be fixed with several above-mentioned dies by demountable structure, each punch and die all are array distribution, and punch and the corresponding one by one setting of die when fastening convex template and concave template.
The purpose of She Zhiing is like this, and punch and convex template removably connect, and die and concave template removably connect, and after punch or die are damaged, can take out punch separately or die repairs or replaces.Thereby avoided needing to change the situation of putting in order secondary mould because of the damage of a punch or die.Be removably connected with a plurality of punch on the convex template, be removably connected with a plurality of dies on the concave template, and die and the corresponding one by one setting of punch.So just can reach and can process a plurality of syringe rubber plugs simultaneously, one-shot forming is a plurality of, and the single self-destroy safety injector plug operating efficiency of processing is higher separately, can save production cost simultaneously, and the product quality of producing is better.
In above-mentioned syringe rubber plug mould, link by helicitic texture between described punch and the convex template, link by helicitic texture between described die and the concave template, between convex template and concave template, be provided with the fixed structure that both are fixed together.
Usually, can locating hole be set, reference column be set at the edge of concave template at the edge of convex template, reference column and locating hole are complementary, and when reference column cooperated with locating hole, die and punch were opposed one by one, thereby realized that easily the quick, accurate of die and punch fastens.Convex template and concave template relative fixed are firm, could guarantee the quality of the plug that at every turn processes, the situation of also having avoided each process all will proofread and correct mould simultaneously.The fixed structure here adopts clip, make convex template and concave template relative fixed firm, and it is more firm to be threaded, and can guarantee the stability of punch and die in the process.
Compared with prior art, production technology of this syringe rubber plug and production mould have the following advantages:
1, avoided producing overlap and burr etc. in the end of plug, when penetrating this plug with syringe, syringe stem can not be brought into the overlap and the burr that are present in the plug in the transfusion fluid, can not exert an influence to human body.
2, the syringe rubber plug of originally producing is symmetrical structure, and being regardless of direction during assembling can both be assembled to it on syringe, can save installation time.
3, because punch and die all are detachably connected on respectively on convex template and the concave template, can produce a plurality of syringe rubber plugs simultaneously adding man-hour one mould like this, more with regard to the syringe rubber plug of producing in the identical time, can save process time significantly; And the mould of the structure that removably connects, replacing and maintenance are all more convenient.
Description of drawings
Fig. 1 is the cutaway view of the syringe rubber plug that provides of the utility model.
Fig. 2 is the cutaway view of the syringe rubber plug blank that provides of the utility model.
Fig. 3 is the cutaway view of the punch that provides of the utility model.
Fig. 4 is the cutaway view of the die that provides of the utility model.
Fig. 5 is the cutaway view of part-structure when punch and die matched moulds in the utility model.
Structural representation when Fig. 6 is the punch that provides of the utility model and die matched moulds.
Among the figure, 1, plug; 11, cannelure; 12, barrier film; 13, featheredge; 14, annular convex ring; 2, elastomeric material; 3, punch; 31, inserted link; 32, convex ring body; 32a, shrinkage pool; 4, die; 41, cylindrical cavity; 42, interior bar; 43, scrobicular ring; 5, convex template; 6, concave template; 7, locating hole; 8, reference column; 9, clip.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
This syringe rubber plug mould, comprise convex template 5 and concave template 6, on convex template 5, be fixed with several punch 3 by helicitic texture, on concave template 6, be fixed with several dies 4 by helicitic texture, each punch 3 and die 4 all are array distribution, and die 4 and punch 3 can fasten mutually, and punch 3 and die 4 are corresponding one by one when fastening convex template 5 and concave template 6 is provided with.
Die 4 has cylindrical cavity 41, the bottom centre of cylindrical cavity 41 have axial raised in bar 42, punch 3 centers have axial raised inserted link 31, inserted link 31 ends have the convex ring body 32 that radially protrudes, the end face of convex ring body 32 has shrinkage pool 32a, and when die 4 and punch 3 fastened, inserted link 31 and interior bar 42 coaxial settings and convex ring body 32 were positioned at the middle part of cylindrical cavity 41, bar 42 ends are positioned at shrinkage pool 32a in this moment, leave the gap between interior bar 42 ends and the shrinkage pool 32a inwall.The plug 1 that forms out like this, its die joint is positioned at the inside of plug 1.
Between convex template 5 and concave template 6, be provided with the clip 9 that both are fixed together, at the edge of convex template 5 locating hole 7 is set, at the edge of concave template 6 reference column 8 is set, reference column 8 is complementary with locating hole 7, and when reference column 8 cooperates with locating hole 7, die 4 and punch 3 are opposed one by one, thereby realize that easily the quick, accurate of die 4 and punch 3 fastens.Convex template 5 and concave template 6 relative fixed are firm, could guarantee the quality of the plug 1 that at every turn processes, the situation of also having avoided each process all will proofread and correct mould simultaneously.
Plug 1 blank that this Mould Machining is come out is cylindric, has cannelure 11 at the inwall of plug 1 blank middle part, has barrier film 12 in a side of cannelure 11, has featheredge 13 at an end of plug 1 blank.Then barrier film 12 and featheredge 13 are carried out die-cut come out, just obtained syringe rubber plug 1.
The processing of syringe rubber plug can be made according to following technology:
A, material loading: take and do not vulcanize and have certain thickness sheet elastomeric material 2, elastomeric material 2 is placed between punch 3 and the die 4, then punch 3 is fastened and is fixed with die 4 and be in the same place, elastomeric material 2 is clamped between punch 3 and the die 4;
B, moulding: will accompany the punch 3 of elastomeric material 2 and die 4 and be placed on and carry out vulcanizing treatment in the vulcanization plant, elastomeric material 2 is full of by punch 3 and die 4 to fasten in the die cavity that forms, obtain the plug blank after the demoulding, this plug blank is cylindric, inwall middle part in the plug blank has cannelure 11, side at cannelure 11 has barrier film 12, has featheredge 13 at an end of plug blank;
C, finished product:, and, make plug 1 with featheredge 13 excisions with 12 excisions of the barrier film in the plug blank.
In the steps A of processing technology, the pressure when punch 3 and die 4 fasten and compress is 170Mpa.In the step B of processing technology, curing temperature is 160 ℃, and cure time is 3 minutes.Each the plug blank that processes is linked together by featheredge 13, and featheredge 13 is removed by die-cut mode then, and barrier film 12 is also removed by die-cut mode.
Be cylindric by this plug and mould and prepared syringe rubber plug 1 integral body of plug processing technology, the wall middle part has cannelure 11 within it.That is, syringe rubber plug 1 symmetrical configuration that makes needn't be considered the direction of plug 1 in the time of on being assembled to syringe, and two ends all can be assembled on the syringe, can save the installation time of syringe rubber plug 1 like this, thereby improves efficiency of assembling.
In order to improve the sealing between plug 1 and the syringe, the scrobicular ring 43 that radially extends can be set in cylindrical cavity 41 bottoms of die 4, like this when moulding plug 1, can form annular convex ring 14 at an end of plug 1.Usually, the scrobicular ring 43 here is the structure of circular arc for cross section, so that the demoulding.When the featheredge 13 with the plug blank other end excises, form another annular convex ring 14 identical at this end with above-mentioned annular convex ring 14 shapes by resecting tool.Thereby guarantee the symmetry of whole plug structure.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as plug 1, cannelure 11, barrier film 12, featheredge 13, annular convex ring 14, elastomeric material 2, punch 3, inserted link 31, convex ring body 32, shrinkage pool 32a, die 4, cylindrical cavity 41, interior bar 42, scrobicular ring 43, convex template 5, concave template 6, locating hole 7, reference column 8, clip 9 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. syringe rubber plug mould, comprise the die (4) and the punch (3) that can fasten mutually, it is characterized in that, described die (4) has cylindrical cavity (41), the bottom centre of cylindrical cavity (41) have axial raised in bar (42), described punch (3) center has axial raised inserted link (31), and when die (4) and punch (3) fastening, above-mentioned inserted link (31) inserts in the above-mentioned cylindrical cavity (41) and inserted link (31) and the coaxial setting of interior bar (42).
2. syringe rubber plug mould according to claim 1, it is characterized in that, described inserted link (31) end has the convex ring body (32) that radially protrudes, and when die (4) and punch (3) fastening, described convex ring body (32) is positioned at the middle part of cylindrical cavity (41).
3. syringe rubber plug mould according to claim 2, it is characterized in that, the end face of described convex ring body (32) has shrinkage pool (32a), and described interior bar (42) end is positioned at described shrinkage pool (32a), and leaves the gap between interior bar (42) end and shrinkage pool (32a) inwall.
4. according to claim 1 or 2 or 3 described syringe rubber plug moulds, it is characterized in that, this mould also comprises convex template (5) and concave template (6), upward be fixed with several above-mentioned punch (3) at convex template (5) by demountable structure, described going up at concave template (6) is fixed with several above-mentioned dies (4) by demountable structure, each punch (3) and die (4) all are array distribution, and punch (3) and the corresponding one by one setting of die (4) when fastening convex template (5) and concave template (6).
5. syringe rubber plug mould according to claim 4, it is characterized in that, link by helicitic texture between described punch (3) and the convex template (5), link by helicitic texture between described die (4) and the concave template (6), between convex template (5) and concave template (6), be provided with the fixed structure that both are fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201271652U CN201592498U (en) | 2010-02-03 | 2010-02-03 | Rubber plug mold for syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201271652U CN201592498U (en) | 2010-02-03 | 2010-02-03 | Rubber plug mold for syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201592498U true CN201592498U (en) | 2010-09-29 |
Family
ID=42774561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201271652U Expired - Lifetime CN201592498U (en) | 2010-02-03 | 2010-02-03 | Rubber plug mold for syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201592498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767470B (en) * | 2010-02-03 | 2013-01-09 | 浙江胜利医疗器械有限公司 | Producing technique and producing die of syringe rubber stopper |
-
2010
- 2010-02-03 CN CN2010201271652U patent/CN201592498U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767470B (en) * | 2010-02-03 | 2013-01-09 | 浙江胜利医疗器械有限公司 | Producing technique and producing die of syringe rubber stopper |
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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: 20100929 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |