CN102275246A - Demoulding structure of mould for external thread three-way pipe fitting - Google Patents
Demoulding structure of mould for external thread three-way pipe fitting Download PDFInfo
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- CN102275246A CN102275246A CN2010102015041A CN201010201504A CN102275246A CN 102275246 A CN102275246 A CN 102275246A CN 2010102015041 A CN2010102015041 A CN 2010102015041A CN 201010201504 A CN201010201504 A CN 201010201504A CN 102275246 A CN102275246 A CN 102275246A
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- pipe fitting
- screw thread
- external screw
- mould
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Abstract
The invention relates to a demoulding structure of a mould for an external thread three-way pipe fitting. The demoulding structure comprises a mould frame, wherein a movable mould is arranged on the mould frame; the three-way pipe fitting is arranged in a cavity of the movable mould; external threads are formed on a joint of the lateral part of the three-way pipe fitting; a thimble plate is also arranged on the movable mould; and a pulling rod is arranged on the thimble plate and supports the three-way pipe fitting. The demoulding structure is characterized in that: an external thread mold core is formed on the movable mould and is matched with the external threads of the joint; an internal mold core is formed in the external thread mold core and is matched with the inner wall of the joint; a second bearing is arranged between the internal mold core and the external thread mold core; a first bearing is arranged between the lower part of the external thread mold core and the movable mould; a driven gear is arranged at the lower end of the external thread mold core and is meshed with a driving gear; the driving gear is arranged on a driving shaft; the driving shaft is driven by an oil motor; and the oil motor is arranged on the movable mould. Compared with a sideslip demoulding assembly in the prior art, the demoulding structure has the advantages of simpler structure and lower manufacturing cost of the mould.
Description
Technical field
The present invention relates to a kind of demolding structure of male branch tee pipe fitting mold, belong to the plastics machinery technical field.
Background technology
At present, the joint and the tubing of tee pipe fitting sidepiece are combined with dual mode, and a kind of is that sealing ring is installed in joint, by the sealing ring and the interference fit of tubing pipe fitting is connected with tubing; Another kind is that the tubing mouth is shaped on internal thread along inwall, and the outer wall on the connection port edge is with the fillet of screw customized, by the internal thread and the cooperation of the fillet of screw pipe fitting is connected with tubing.Wherein there is following shortcoming in second kind of fit system: need open molding jig respectively and make the pipe fitting and the fillet of screw, production cost is than higher; The outer wall that the fillet of screw is enclosed within the connection port edge necessarily requires the internal diameter of the fillet of screw to match with the external diameter on connection port edge, but the fillet of screw and pipe fitting are by two secondary mould manufacturings, be difficult on the size be guaranteed, if the internal diameter of the fillet of screw is greater than the external diameter on connection port edge, then the connection between them is not firm, if the internal diameter of the fillet of screw is less than the external diameter on connection port edge, then the screw thread snare does not get on, and two kinds of situations all can cause the fillet of screw to be scrapped; And if with a secondary mould manufacturing; because the external thread structure of tee pipe fitting sidepiece joint; the demoulding is difficulty relatively, is head it off, and once the someone designed the sideslip mould emptier; promptly one oil cylinder respectively is set in the both sides of mould; during the demoulding, elder generation is slided to both sides by the dynamic model that oil cylinder drives this tee pipe fitting sidepiece joint, takes out product then; but this sideslip mould emptier is owing to need two oil cylinders of configuration and supporting slide assemblies, complex structure, cost height.
Summary of the invention
The objective of the invention is shortcoming at prior art, provide a kind of male branch tee pipe fitting mold knockout course China and foreign countries thread core to rotate, the external screw thread of tee pipe fitting is not damaged, and the demolding structure of male branch tee pipe fitting mold simple in structure, that die cost is low.
The technical solution adopted in the present invention is to achieve the above object of the invention:
The demolding structure of male branch tee pipe fitting mold, comprise mould bases, dynamic model is installed on the mould bases, in the die cavity of dynamic model tee pipe fitting is arranged, the joint of tee pipe fitting sidepiece is shaped on external screw thread, ejector retainner plate also is installed on the described dynamic model, sprue puller is installed on the ejector retainner plate, and sprue puller supports tee pipe fitting, it is characterized in that installing on the described dynamic model external screw thread core, the external screw thread core matches with the external screw thread of joint, core in the outside screw type in-core is installed, interior core matches with the inwall of joint, and second bearing is installed between interior core and the external screw thread core, between the bottom of described external screw thread core and the dynamic model clutch shaft bearing is installed, driven gear is installed in the lower end of described external screw thread core, and driven gear is meshed with driving gear, and described driving gear is installed on the driving shaft, driving shaft is driven by oil motor, and described oil motor is installed on the dynamic model.
The course of work of the present invention is as follows: after the die sinking (being that dynamic model separates with cover half), tee pipe fitting is positioned at the die cavity of dynamic model, oil motor drives driving shaft, driving gear, driven gear, the rotation of external screw thread core, and being subjected to the effect of die cavity wall, tee pipe fitting do not rotate, therefore produce relative rotation between external screw thread core and the tee pipe fitting, because the effect tee pipe fitting of screw thread is ejected until breaking away from the external screw thread core, realized the demoulding, last ejector retainner plate drives the sprue puller rising tee pipe fitting is ejected die cavity.Characteristics of the present invention are to drive the rotation of external screw thread core by the transmission mechanism that an oil motor constitutes by rotating shaft and gear; the external screw thread core is deviate from along the externally threaded threaded line spiral of tee pipe fitting sidepiece joint; play the externally threaded effect of protection tee pipe fitting; and this mechanism compares with sideslip demoulding assembly of the prior art, has advantage simple in structure, that die manufacturing cost is low.
Description of drawings
Fig. 1 is the structural representation before the embodiment of the invention demoulding;
Fig. 2 is the structural representation after the embodiment of the invention demoulding.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further.
As Fig. 1, shown in Figure 2, the demolding structure of male branch tee pipe fitting mold, comprise mould bases, dynamic model 1 is installed on the mould bases, in the die cavity 11 of dynamic model 1 tee pipe fitting 9 is arranged, the joint 91 of tee pipe fitting 9 sidepieces is shaped on external screw thread, ejector retainner plate 2 is installed on the described dynamic model 2, sprue puller 21 is installed on the ejector retainner plate 2, sprue puller 21 supports tee pipe fitting 9, it is characterized in that external screw thread core 7 is installed on the described dynamic model 1, external screw thread core 7 matches with the external screw thread of joint 91, core 8 in installing in the external screw thread core 7, interior core 8 matches with the inwall of joint 91, second bearing 12 is installed between interior core 8 and the external screw thread core 7, clutch shaft bearing 10 is installed between the bottom 71 of described external screw thread core 7 and the dynamic model 1, driven gear 6 is installed in the lower end of described external screw thread core 7, driven gear 6 is meshed with driving gear 5, described driving gear 5 is installed on the driving shaft 4, and driving shaft 4 is driven by oil motor 3, and described oil motor 3 is installed on the dynamic model 1.The course of work of the present invention is as follows: after the die sinking (being that dynamic model 1 separates with cover half), tee pipe fitting 9 is positioned at the die cavity 11 of dynamic model 1, oil motor 3 drives driving shaft 4, driving gear 5, driven gear 6,7 rotations of external screw thread core, and being subjected to the effect of die cavity wall, tee pipe fitting 9 do not rotate, therefore produce relative rotation between external screw thread core 7 and the tee pipe fitting 9, because the effect tee pipe fitting 9 of screw thread is ejected until breaking away from external screw thread core 7, realized the demoulding, last ejector retainner plate 2 drives sprue puller 21 risings tee pipe fitting 9 is ejected die cavity 11.Characteristics of the present invention are to drive 7 rotations of external screw thread core by the transmission mechanism that an oil motor 3 constitutes by rotating shaft and gear; external screw thread core 7 is deviate from along tee pipe fitting 9 sidepiece joints 91 externally threaded threaded line spirals; play the externally threaded effect of protection tee pipe fitting 9; and this mechanism compares with sideslip demoulding assembly of the prior art, has advantage simple in structure, that die manufacturing cost is low.
Claims (1)
1. the demolding structure of male branch tee pipe fitting mold, comprise mould bases, dynamic model (1) is installed on the mould bases, in the die cavity (11) of dynamic model (1) tee pipe fitting (9) is arranged, the joint (91) of tee pipe fitting (9) sidepiece is shaped on external screw thread, described dynamic model (2) is gone up ejector retainner plate (2) is installed, ejector retainner plate (2) is gone up sprue puller (21) is installed, sprue puller (21) supports tee pipe fitting (9), it is characterized in that upward installation external screw thread core (7) of described dynamic model (1), external screw thread core (7) matches with the external screw thread of joint (91), core (8) in installing in the external screw thread core (7), interior core (8) matches with the inwall of joint (91), second bearing (12) is installed between interior core (8) and the external screw thread core (7), between the bottom (71) of described external screw thread core (7) and the dynamic model (1) clutch shaft bearing (10) is installed, driven gear (6) is installed in the lower end of described external screw thread core (7), driven gear (6) is meshed with driving gear (5), described driving gear (5) is installed on the driving shaft (4), driving shaft (4) is driven by oil motor (3), and described oil motor (3) is installed on the dynamic model (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102015041A CN102275246A (en) | 2010-06-12 | 2010-06-12 | Demoulding structure of mould for external thread three-way pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102015041A CN102275246A (en) | 2010-06-12 | 2010-06-12 | Demoulding structure of mould for external thread three-way pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102275246A true CN102275246A (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102015041A Pending CN102275246A (en) | 2010-06-12 | 2010-06-12 | Demoulding structure of mould for external thread three-way pipe fitting |
Country Status (1)
| Country | Link |
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| CN (1) | CN102275246A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407059A (en) * | 2013-07-08 | 2013-11-27 | 顺德职业技术学院 | Automatic de-threading double ejection injection mould capable of achieving regular changes of thread initial points and control method thereof |
| CN103407058A (en) * | 2013-07-08 | 2013-11-27 | 顺德职业技术学院 | Automatic thread-removing double ejection injection mould for realizing consistent thread initial point and control method thereof |
| CN104085065A (en) * | 2014-07-15 | 2014-10-08 | 孙金军 | Multi-pass pipe fitting step three-dimensional demolding mechanism and mold |
| CN109774069A (en) * | 2019-03-01 | 2019-05-21 | 台州市黄岩炜大塑料机械有限公司 | One goes out two threeway internal thread tube piece demoulding mechanisms |
| CN112677387A (en) * | 2020-12-22 | 2021-04-20 | 陆红华 | Pipeline connecting piece machine-shaping system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200951622Y (en) * | 2006-07-26 | 2007-09-26 | 浙江黄岩东方模具厂 | Automatic demoulding mould of plastic pipe fitting with internal thread |
| CN201728776U (en) * | 2010-06-12 | 2011-02-02 | 台州市黄岩炜大塑料机械有限公司 | Demoulding structure of external threaded tee pipe mould |
-
2010
- 2010-06-12 CN CN2010102015041A patent/CN102275246A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200951622Y (en) * | 2006-07-26 | 2007-09-26 | 浙江黄岩东方模具厂 | Automatic demoulding mould of plastic pipe fitting with internal thread |
| CN201728776U (en) * | 2010-06-12 | 2011-02-02 | 台州市黄岩炜大塑料机械有限公司 | Demoulding structure of external threaded tee pipe mould |
Non-Patent Citations (1)
| Title |
|---|
| 隆文武: "内、外螺纹同时抽芯脱模的注射模设计", 《模具制造》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407059A (en) * | 2013-07-08 | 2013-11-27 | 顺德职业技术学院 | Automatic de-threading double ejection injection mould capable of achieving regular changes of thread initial points and control method thereof |
| CN103407058A (en) * | 2013-07-08 | 2013-11-27 | 顺德职业技术学院 | Automatic thread-removing double ejection injection mould for realizing consistent thread initial point and control method thereof |
| CN103407059B (en) * | 2013-07-08 | 2015-07-29 | 顺德职业技术学院 | Automatic threads demoulding Double-ejection injection mould and the control method of the change of screw thread initial point rule can be realized |
| CN104085065A (en) * | 2014-07-15 | 2014-10-08 | 孙金军 | Multi-pass pipe fitting step three-dimensional demolding mechanism and mold |
| CN104085065B (en) * | 2014-07-15 | 2017-07-11 | 孙金军 | Multi-way pipe fitting step solid mould emptier and its mould |
| CN109774069A (en) * | 2019-03-01 | 2019-05-21 | 台州市黄岩炜大塑料机械有限公司 | One goes out two threeway internal thread tube piece demoulding mechanisms |
| CN109774069B (en) * | 2019-03-01 | 2024-05-14 | 台州市黄岩炜大塑料机械有限公司 | Demolding mechanism for one-out-two three-way internal thread pipe fitting mold |
| CN112677387A (en) * | 2020-12-22 | 2021-04-20 | 陆红华 | Pipeline connecting piece machine-shaping system |
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Application publication date: 20111214 |