CN201437272U - Cold runner floating nozzle structure for rubber injection machine - Google Patents
Cold runner floating nozzle structure for rubber injection machine Download PDFInfo
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- CN201437272U CN201437272U CN2009200559941U CN200920055994U CN201437272U CN 201437272 U CN201437272 U CN 201437272U CN 2009200559941 U CN2009200559941 U CN 2009200559941U CN 200920055994 U CN200920055994 U CN 200920055994U CN 201437272 U CN201437272 U CN 201437272U
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- branch
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- runner
- injection machine
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Abstract
The utility model discloses a cold runner floating nozzle structure for a rubber injection machine, which comprises cold runner branch pouring nozzle bodies (1), wherein each branch pouring nozzle body (1) also comprises a floating nozzle (2) capable of telescopically floating, and the upper end of the floating nozzle (2) is buckled in a runner of a branch pouring nozzle body (2); and the lower end surface thereof is matched with a branch pouring head (3), runners are communicated with each other, and contact walls are sealed with each other in a matching way. The utility model has the technical effects of good sealing performance, no adhesive leakage, strong adaptability and normal work, and each nozzle automatically adjusts the processing error and position processing error of the length.
Description
Technical field
The utility model relates to a kind of rubber injection machine cold runner nozzle arrangements, especially a kind of cold flow-passage floating nozzle structure of rubber injection machine.
Background technology
The existing rubber injection machine cold runner nozzle arrangements that is widely used is: the cold runner nozzle is connected by screw threads for fastening with the cold runner nozzle body.The shortcoming of this structure is: poor sealing, leakiness glue; Work when many injection nozzle of incompatibility position mismachining tolerance, height mismachining tolerance.Because of cold runner nozzle gum outlet end face and the not parallel applying of mould die joint, seepage glue appears; Because of cold runner nozzle gum outlet end face height less than the mould die joint, occur to leak glue; Cold runner nozzle gum outlet end face height is greater than the mould die joint, and mould can not accurately cooperate to cause and can not normally carry out injection work with the cold runner nozzle; The mouth mutual alignment mismachining tolerances of annotating, cold runner nozzle can not accurately cooperate to cause more with mould gate can not normally carry out work.Therefore, how to address the above problem, become problem demanding prompt solution.
The utility model content
The technical problems to be solved in the utility model provides a kind of good seal performance and does not leak glue, the cold flow-passage floating nozzle structure of rubber injection machine of mismachining tolerance that adaptability is strong, each nozzle is regulated its length automatically and position mismachining tolerance, realization operate as normal.
For solving the problems of the technologies described above, a kind of cold flow-passage floating nozzle structure of rubber injection machine of the present utility model, comprise that the some branches that are communicated with cold runner water nozzle body, wherein said branch waters nozzle body and also comprises scalable unsteady floating nozzle, described floating nozzle upper end be located in that branch waters in the runner of nozzle body, the lower surface cooperates with the branch cast gate of mould, and wherein runner communicates, contacts the sealing that matches between wall.
After the utility model adopts said structure, floating nozzle is arranged in the runner that branch waters nozzle body axially lifting and floats, be implemented under the promotion of the sizing material that flows and make the gum outlet end face of floating nozzle lower end accurate fully automatically, safe and reliable, stablize the branch cast gate step surface of applying mould and reach the function that good airproof performance does not leak glue, sealing wherein matches between the flow path wall of the outside wall surface of floating nozzle and cold runner nozzle body.Float in the space that floating nozzle can be formed in the runner of nozzle body, regulate extension elongation and the branch cast gate step surface of fitting automatically, can adapt to nozzle length manufacturing tolerance.In the sizing material flow nozzle body inner flow passage, the floating nozzle that the pressure effect of mobile sizing material promotes in the runner moves down, impel the gum outlet end face of floating nozzle to be adjacent to branch cast gate step surface automatically, its good seal performance and do not leak glue, sizing material runner by floating nozzle fills the progressive die chamber and realizes cast mold filling function.
The further improvement of the utility model scheme:
Above-mentioned cold flow-passage floating nozzle structure of rubber injection machine, described branch waters the nozzle body bottom and is provided with nozzle cage, described floating nozzle upper end be located in branchs by nozzle cage and waters in the runner of nozzle body, and realization is set in branch and waters the technical characterstic that floating nozzle in the nozzle body has easy disassembly.
Last movable block and lower lock block that above-mentioned cold flow-passage floating nozzle structure of rubber injection machine, the branch cast gate of described mould be mobile, cooperated by the phase step surface constitute.Dividing cast gate is that briquetting is pressed on and radially leaves the space, adjusting play on the mould therebetween, realization is from dynamic(al) correction floating nozzle and the axiality of dividing cast gate to cooperate, can adapt to injection nozzle position manufacturing tolerance, floating nozzle is adjacent to the function of injection that branch cast gate step surface realization good seal performance is not leaked glue.
Above-mentioned cold flow-passage floating nozzle structure of rubber injection machine, the lower surface of described nozzle body stretch in the branch cast gate and to form step surface and cooperate, and realize can adapting to injection nozzle position manufacturing tolerance from dynamic(al) correction floating nozzle and the axiality that the branch cast gate cooperates.
Above-mentioned cold flow-passage floating nozzle structure of rubber injection machine, described floating nozzle upper surface forms inner conical surface downwards by outer wall to inwall.With the resistance between the runner undergauge transitioning end that reduces floating nozzle and cold runner nozzle body, realize the technique effect of smooth and easy circulation.
Above-mentioned cold flow-passage floating nozzle structure of rubber injection machine, the last movable block of described minute cast gate is interchangeable plug.Described minute cast gate is plug, divides the cast gate middle part no runner, and its replacing is convenient and swift, plugging effect good, makes things convenient for the technique effect of selection portion branch injection nozzle injection.
The utility model compared with prior art has: good seal performance is not leaked glue, and adaptability is strong, each minute waters that nozzle is regulated the mismachining tolerance of its length and position mismachining tolerance automatically and the technique effect of realizing operate as normal.
Description of drawings
Below in conjunction with the specific embodiment in the accompanying drawing the utility model is described in further detail, but does not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of the utility model specific embodiment;
Structural representation when Fig. 2 is the utility model specific embodiment sealed condition;
Fig. 3 is the downside perspective view that the utility model specific embodiment is implemented state;
Fig. 4 is the upper side perspective view that the utility model specific embodiment is implemented state;
Fig. 5 is the cross-sectional view that the utility model specific embodiment is implemented state;
Fig. 6 is the utility model specific embodiment is implemented state in conjunction with mould a cross-sectional view;
Fig. 7 is the Facad structure schematic diagram of the utility model floating nozzle;
Fig. 8 is the A-A generalized section of Fig. 6;
Fig. 9 is that the master of the utility model nozzle cage looks schematic diagram;
Figure 10 is the B-B generalized section of Fig. 8.
Among the figure: 1 waters nozzle body for dividing, and 2 be floating nozzle, and 21 be inner conical surface, and 3 for dividing cast gate, and 31 is last movable block, and 32 is lower lock block, and 4 is nozzle cage, and 5 is briquetting, and A1 is last cold flow guidance tape, A2 be under the cold flow guidance tape, A3 is a cold runner, A4 is a cast gate, B is a mould.
The specific embodiment
As shown in Fig. 1 to Figure 10, a kind of cold flow-passage floating nozzle structure of rubber injection machine, comprise that branch waters nozzle body 1, branch waters nozzle body 1 and also comprises scalable unsteady floating nozzle 2, floating nozzle 2 upper ends be located in the runner of nozzle body 2, the lower surface cooperates with the branch cast gate 3 of mould, and wherein runner communicates, contacts the sealing that matches between wall;
Branch of the present utility model waters nozzle body 1 bottom the nozzle cage 4 that internal thread connects is set, and floating nozzle 2 upper ends be located in branch by nozzle cage 4 and water in the runner of nozzle body 1;
The branch cast gate 3 of mould B of the present utility model is that mobile is between die joint, by the last movable block 31 and the lower lock block 32 of step surface cooperation.Last movable block 31 is plugged in the lower lock block 32, and the diameter of its phase same order is slightly less than to form regulates the space; The lower surface of nozzle body 2 is stretched into and is formed step surface in the last movable block 31 of branch cast gate 3 and cooperate; Floating nozzle 2 upper surfaces form inner conical surface 21 downwards by outer wall to inwall.
As Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, the utility model is when concrete the use, by the cold runner A3 between last cold flow guidance tape A1 and following cold flow guidance tape A2, following cold flow guidance tape A2 is provided with the some branches that are communicated with between cold runner A3 and the mould and waters nozzle body 1, branch waters nozzle body 1 and is fastenedly connected on following cold flow guidance tape A2, the runner that each minute watered nozzle body 1 all communicates with cold runner A3, and floating nozzle 2 can water in the runner of nozzle body 1 axially smooth and easy moving along branch; Nozzle cage 4 is connected on the nozzle body 1 by screw threads for fastening, does the descending spacing of floating nozzle 2; Sizing material is injected by the cast gate A4 of cold runner A3, and the cold runner A3 through between last cold flow guidance tape A1 and following cold flow guidance tape A2 arrives each cold runner and is diverted to branch and waters nozzle body 1.Runner by nozzle body 1 enters, and the inner conical surface that the pressure of the sizing material that flows acts on floating nozzle 2 moves down it and is adjacent to branch cast gate step surface automatically; The gum outlet end face of floating nozzle 2 is little with the area that divides cast gate 3 step surfaces sealing applying, its good sealing effect; Floating nozzle 2 is unsteady in the runner of shunting nozzle body 1, regulates extension elongation and branch cast gate 3 step surfaces of fitting automatically, eliminates many injection nozzle length mismachining tolerance; There are the last movable block 31 that cooperates the branch cast gate 3 that requires and lower lock block 32 to leave with floating nozzle 2 and adjust the space,, can eliminate many injection nozzle position mismachining tolerance from the axiality that dynamic(al) correction floating nozzle 2 and branch cast gate 3 cooperate; Realized that the floating nozzle good airproof performance does not leak glue.
As shown in Figure 2, during the cold flow-passage floating nozzle sealed condition, the part injection nozzle is arranged when not required in many injection nozzle, dividing the last movable block 31 of cast gate 3 be plug, directly replaces to have that replacing is convenient and swift, plugging effect good, realization makes things convenient for selection portion branch injection nozzle function of injection.
The utility model can also will belong to protection domain of the present utility model equally according to actual adjusting; though the utility model has exemplified above-mentioned preferred implementation; be arranged to locate rank as directly branch being watered nozzle body 1 bottom runner undergauge, floating nozzle 2 upper end hole enlargements are arranged to locate rank.During installation, floating nozzle 2 is inserted in from the upper end that branch waters nozzle body 1, then branch is watered nozzle body 1 and is fixed on down cold flow guidance tape A2 and just can.When it uses, realize that floating nozzle 2 waters scalable unsteady technique effect in the runner of nozzle body 1 at branch.Other has last cold flow guidance tape A1 plate face to be provided with thermal insulation board, divides to water to be arranged with heat insulation tube outside the nozzle body 1.But should illustrate that obviously those skilled in the art can carry out various variations and remodeling.Therefore, unless such variation and remodeling have departed from scope of the present utility model, otherwise all should be included within the protection domain of the present utility model.
Claims (6)
1. cold flow-passage floating nozzle structure of rubber injection machine, comprise that the cold runner branch waters nozzle body (1), it is characterized in that: described branch waters nozzle body (1) and also comprises scalable unsteady floating nozzle (2), described floating nozzle (2) upper end be located in that branch waters in the runner of nozzle body (2), the lower surface cooperates with the branch cast gate (3) of mould, and wherein runner communicates, contacts the sealing that matches between wall.
2. cold flow-passage floating nozzle structure of rubber injection machine according to claim 1, it is characterized in that: described branch waters nozzle body (1) bottom and is provided with nozzle cage (4), and described floating nozzle (2) upper end be located in branch by nozzle cage (4) and waters in the runner of nozzle body (1).
3. cold flow-passage floating nozzle structure of rubber injection machine according to claim 1 is characterized in that: last movable block (31) and lower lock block (32) formation that the branch cast gate (3) of described mould is mobile, cooperated by the phase step surface.
4. cold flow-passage floating nozzle structure of rubber injection machine according to claim 1 is characterized in that: described branch waters the lower surface of nozzle body (2) and stretches into formation step surface cooperation in the branch cast gate (3).
5. cold flow-passage floating nozzle structure of rubber injection machine according to claim 1 is characterized in that: described floating nozzle (2) upper surface forms inner conical surface (21) downwards by outer wall to inwall.
6. cold flow-passage floating nozzle structure of rubber injection machine according to claim 3 is characterized in that: described minute cast gate (3) last movable block (31) be interchangeable plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200559941U CN201437272U (en) | 2009-05-05 | 2009-05-05 | Cold runner floating nozzle structure for rubber injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200559941U CN201437272U (en) | 2009-05-05 | 2009-05-05 | Cold runner floating nozzle structure for rubber injection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201437272U true CN201437272U (en) | 2010-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200559941U Expired - Lifetime CN201437272U (en) | 2009-05-05 | 2009-05-05 | Cold runner floating nozzle structure for rubber injection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201437272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101607430B (en) * | 2009-05-05 | 2012-07-04 | 东华机械有限公司 | Cold flow-passage floating nozzle structure of rubber injection machine |
| CN105058702A (en) * | 2015-08-05 | 2015-11-18 | 苏州市博奥塑胶电子有限公司 | Telescopic nozzle of injection molding machine |
-
2009
- 2009-05-05 CN CN2009200559941U patent/CN201437272U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101607430B (en) * | 2009-05-05 | 2012-07-04 | 东华机械有限公司 | Cold flow-passage floating nozzle structure of rubber injection machine |
| CN105058702A (en) * | 2015-08-05 | 2015-11-18 | 苏州市博奥塑胶电子有限公司 | Telescopic nozzle of injection molding machine |
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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: 20100414 Effective date of abandoning: 20090505 |