CN101722630B - Injection mould with internal thread - Google Patents
Injection mould with internal thread Download PDFInfo
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- CN101722630B CN101722630B CN200910219871.1A CN200910219871A CN101722630B CN 101722630 B CN101722630 B CN 101722630B CN 200910219871 A CN200910219871 A CN 200910219871A CN 101722630 B CN101722630 B CN 101722630B
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Abstract
The invention provides an injection mould with internal thread, which is particularly suitable for an injection mould structure with a complex appearance and an injection moulded part having a hole on the side and the internal thread. The injection mould comprises a moving die, a fixed die, a threaded core component, a threaded core rotary motor, and a limiting and supporting structure for movement and guidance of the threaded core component, wherein the moving die and the fixed die are fixedly connected with an injection moulding machine; the threaded core component is connected with the moving die through a supporting linkage component; the threaded core rotary motor is fixedly connected with a moving die holder; and the limiting and supporting structure for the movement and guidance of the threaded core component is fixedly connected with the moving die. The injection mould is characterized in that: the motor for driving a threaded core is fixed on the side face of the moving die holder; an included angle is formed between the axial direction of the motor and the opening and closing direction of the moving die and the fixed die; the output shaft of the motor is fixedly connected with a key sleeve which is matched with the threaded core to rotate synchronously and can relatively slide in the axial direction; the moving die holder is fixedly provided with a limiting and supporting guide rail for translation of the threaded core component; and the fixed die is fixedly provided with a die assembly wedge for the threaded core component capable of being advanced in variable directions. The injection mould has the advantages of wide application range, high universality, simple structure, easy control and the like.
Description
Technical field
The invention belongs to injection mold field; relate to the injection mold that a kind of workpiece has internal thread hole; in particular complex contour, side have the applied injection mold of moulding in irregular axial thread hole, particularly threaded mandrel matched moulds and mould emptier wherein.
Background technology
Existing disclosed technology has, patent No. ZL200820212032.2 " a kind of screw thread mandrel locating structure for injection mold "; Application number 200910001693.5 " injection mold active and inactive mold bidirectional helical mould emptier "; Application number 200910002409.6 " automatic resetting mechanism for screw thread starting point of screw thread injection mold ".Its common weak point is that stripping direction is subject to specific limited, is not suitable for complex contour, the axial random injection moulding workpiece injection mo(u)lding processing of internal thread hole, and make its scope of application very limited, also there is the loaded down with trivial details high in cost of production shortcoming of complex structure simultaneously.
Summary of the invention
Technical problem to be solved by this invention is overcome and avoid weak point of the prior art and shortcoming; and provide a kind of injection mould with internal thread; a kind of complex contour that is suitable for specifically; it is simple and convenient that side has the process and assemble of screwed hole, threaded mandrel matched moulds and the mould emptier of highly versatile.
The object of the present invention is achieved like this, a kind of injection mould with internal thread, comprise the dynamic model and the fixed mould structure that are fixedly connected with injection machine, the thread core assembly being connected with dynamic model by supporting linkage part, the thread core rotary electric machine being fixedly connected with dynamic model base, the motion of thread core assembly and the guide and limit supporting structure that are fixedly connected with dynamic model, it is characterized in that: the motor that can drive thread core to rotate is fixed on the side of dynamic model base, the axial of motor becomes angle with active and inactive mold folding direction, on motor output shaft, be fixedly connected with to coordinate to synchronize with thread core and rotate also the axially key cover of relative sliding, on dynamic model base, be fixed with the spacing support rails of thread core assembly translation, on cover half base, be fixed with the thread core assembly matched moulds wedge of reversible propelling.Above-mentioned thread core assembly is by thread spindle core, thread spindle core supporting slide block, core fixing plate, between thread spindle core and slide block bearing and other fixed connecting pieces form.Thread spindle core one end is injection core, and the other end is motor shaft sleeve rotating shaft, and middle spacing in slide block by a pair of thrust supporting, the corresponding cover half direction of slide block is provided with the inclined-plane that can coordinate with the matched moulds wedge sliding steering translation on cover half.In order to make the die sinking of thread core assembly smooth and easy and move into place, described a kind of injection mould with internal thread, be further characterized in that: between moving die insert and thread core assembly, be provided with die sinking reset Compress Spring, this spring can be arranged between moving die insert and thread spindle core slide block.In order to guarantee to be connected accurately safe and reliable between thread core assembly and other parts, described a kind of injection mould with internal thread, is further characterized in that: on dynamic model base, be provided with thread core assembly die sinking spacer pin.
The invention has the advantages that: wide accommodation, highly versatile and simple in structure and control easily.Be particularly useful for complex contour, internal thread hole position and the irregular moulding of direction, in the thread core matched moulds of its mould and demolding structure, adopt.
Accompanying drawing explanation
Fig. 1 is embodiment matched moulds state mould female thread portion cutaway view provided by the invention;
Fig. 2 is embodiment slide block (core assembly) the guide rail structure schematic diagram that invention provides;
Fig. 3 is the embodiment die opening state inner mold threaded portion cutaway view that invention provides;
Fig. 4 is the complete demoulding state of the embodiment die sinking rear thread axle core component mould threaded portion cutaway view that invention provides.
The specific embodiment
Accompanying drawings the specific embodiment of the present invention.By the matched moulds wedge (14) being fixed on by bolt (21) on solid plate (1), promote threaded mandrel supporting slide block (13), and then promotion thrust bearing (12), thereby promote core rotating shaft (15) and thread core (4), thread core assembly is moved, until core fixing plate (11) is encountered fixed die insert (3) and is fixed on the moving die insert (5) on dynamic model base (7) by bolt (6) along the formed correcting direction of slide block guide rail (22) by being fixed on by bolt (23) on dynamic model base (7).Meanwhile, the complete wedging of wedging face between matched moulds wedge (14) and threaded mandrel supporting slide block (13) and cannot continue till mobile to complete matched moulds.The constraint that matched moulds produces causes the thread core assembly being comprised of slide block (13), bearing (12), fixed head (11), bearing (9), coupled axle-pin (8), thread core (4) move and locate, at this moment just reach the structural requirement of moulding (24), can carry out injection moulding.After to be injected, active and inactive mold separately, click fixed head (20) by being fixed on dynamic model base (7) side by bolt (16) above, by the fixing Machine-Tool Control motor (18) of bolt (16), make motor (18) thereby be rotated counterclockwise to drive core rotatable key cover (17), key cover (17) makes thread core (4) depart from moulding (24) by driving the thread spindle core being comprised of rotating shaft (15), thread core (4), core coupled axle-pin (8) together to rotate.The effect of bearing (9) is most important, it in this structure Zhong Shici mechanism rotation steadily, and frictional force and noise all can reduce.Because now moulding (24) is still fixed on moving die insert (5), and thread core (4) moves because rotation and the reason of pitch start to take out direction to side, thread core (4) is delivered to mobile backward thrust on thrust bearing (12) simultaneously, thrust bearing (12) passes to this thrust slide block (13) again makes thread core assembly start to shrink back, thereby starts to depart from moulding (24).When thread core (4) departs from the screw thread of moulding (24), thread core assembly integral body under the effect of Compress Spring (26) continues to draw back to spacer pin (25) and locates stop motion.Finally complete whole demoulding action.By coupled axle-pin (8), thread core (4), rotating shaft (15) are connected, and guarantee axiality.Bearing (9) has guaranteed that rotating shaft (15) does not rub with core fixing plate (11), slide block (13) when rotated.Fixed head (11) is closely connected by bolt (10) with slide block (13), has prevented thread core (4), rotating shaft (15), bearing (9), thrust bearing (12) integral body axially play back and forth.Provide the correctly stably guiding of thread core package traces (23) for being driven by fixed head (11), slide block (13).By the slide block mechanism that thread core (4), rotating shaft (15), bearing (9), thrust bearing (12), fixed head (11), take-up housing (13) are formed, will be moved forward by pressing down of matched moulds wedge (14) inclined-plane, and the fixed die insert (3), the moving die insert (5) that finally by bolt (2), are fixed on solid plate (1) touch extremely.It is more than mould assembling action.
When moulding needs the demoulding, first die sinking, makes matched moulds wedge (14) leave slide block (13), to remove the position constraint of double thread core assembly.After leaving completely, Machine-Tool Control motor (18) rotates counterclockwise, and motor (18) drives threaded mandrel together to rotate by rotatable key cover (17).Because moulding (24) is fixed, so the screw thread of thread core (4) front end will produce a thrust backward, coordinate the augmented thrust of spring (26) to make whole thread core assembly homing action, reset terminating point is spacer pin (25) position simultaneously.It is more than die sinking homing action.
Installation process:
1. thread core (4) is connected with coupled axle-pin (8) with rotating shaft (15).And bearing (9) and bearing (12) are in place from front and back end respectively.
2. above mounted assembly is respectively charged in fixed head (11) and slide block (13), and connects with bolt (10).Make it thread core (4), coupled axle-pin (8), bearing (9), bolt (10), fixed head (11), bearing (12), slide block (13), rotating shaft (15) formation thread core assembly integral body.
3. guide rail (22) is connected and fixed with bolt (23) and dynamic model base (7).
4. Compress Spring (26) is put in the hole of fixed head (11), the thread core assembly assembling is before put into slide block guide rail (22).And enable smooth reciprocating motion.
5. motor fixing plate (20), dynamic model base (7) are connected and fixed with bolt (16).
6. motor fixing plate (20) is first connected with bolt (19) with motor (18), again key cover (17) is arranged on motor shaft, again rotating shaft (15) is inserted in key cover (17), thereby motor (18) and spiral mandrel are connected together.
7. matched moulds wedge is inserted (14) with bolt (21), connect and be fixed on cover half base (1).
Claims (1)
1. an injection mould with internal thread, comprise the dynamic model and the fixed mould structure that are fixedly connected with injection machine, the thread core assembly being connected with dynamic model, thread core rotary electric machine, the motion of thread core assembly and guide and limit supporting structure, it is characterized in that: the motor (18) that can control thread core rotation is fixed on the side of dynamic model base (7), the axial of motor (18) becomes angle with active and inactive mold folding direction, on motor (18) output shaft, be fixedly connected with to coordinate to synchronize with thread core and rotate also the axially key cover (17) of relative sliding, on dynamic model base (7), be fixed with the spacing support rails of thread core assembly translation (22), on cover half base (1), be fixed with the thread core assembly matched moulds wedge (14) of reversible propelling, thread core assembly is by thread spindle core (4), coupled axle-pin (8), rotating shaft (15), thread spindle core supporting slide block (13), core fixing plate (11), between thread spindle core and slide block bearing (9, 12) and other fixed connecting pieces (10) form, thread spindle core one end is injection core, the other end is motor shaft sleeve connecting axle, middle by a pair of thrust (9, 12) support spacing in slide block (13), the corresponding cover half direction of slide block (13) is provided with the inclined-plane that can coordinate with matched moulds wedge (14) the sliding steering translation on cover half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910219871.1A CN101722630B (en) | 2009-11-16 | 2009-11-16 | Injection mould with internal thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910219871.1A CN101722630B (en) | 2009-11-16 | 2009-11-16 | Injection mould with internal thread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101722630A CN101722630A (en) | 2010-06-09 |
| CN101722630B true CN101722630B (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910219871.1A Active CN101722630B (en) | 2009-11-16 | 2009-11-16 | Injection mould with internal thread |
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| Country | Link |
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| CN (1) | CN101722630B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310518B (en) * | 2011-07-07 | 2013-05-22 | 苏州工业园区协利塑胶有限公司 | Forming die of plastic assembly part of automobile cigarette lighter |
| CN107599314B (en) * | 2017-09-25 | 2020-04-24 | 台山市优特塑胶五金制品有限公司 | Guide system for injection mold adopting rotary guide structure |
| CN109785728B (en) * | 2019-01-07 | 2020-12-15 | 金华职业技术学院 | Slide block type universal large water gap teaching mould frame |
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 |
| CN201559287U (en) * | 2009-11-16 | 2010-08-25 | 大连华录模塑产业有限公司 | Internally threaded injection mold |
-
2009
- 2009-11-16 CN CN200910219871.1A patent/CN101722630B/en active Active
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 |
| CN201559287U (en) * | 2009-11-16 | 2010-08-25 | 大连华录模塑产业有限公司 | Internally threaded injection mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101722630A (en) | 2010-06-09 |
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Effective date of registration: 20190110 Address after: 116000 No. 22 Huaihe East Road, ShuangD Port, Dalian Economic and Technological Development Zone, Liaoning Province Patentee after: Dalian Hualu Guozheng Industry Co., Ltd. Address before: 116023 No. 38 Torch Road, Dalian High-tech Park, Liaoning Province Patentee before: Dalian Hualu Mould and Plastic Industrial Co., Ltd. |