CN2379287Y - Quick changing core type thermoplastic sample injection mould - Google Patents
Quick changing core type thermoplastic sample injection mould Download PDFInfo
- Publication number
- CN2379287Y CN2379287Y CN 99231961 CN99231961U CN2379287Y CN 2379287 Y CN2379287 Y CN 2379287Y CN 99231961 CN99231961 CN 99231961 CN 99231961 U CN99231961 U CN 99231961U CN 2379287 Y CN2379287 Y CN 2379287Y
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- China
- Prior art keywords
- core rod
- quick
- sample injection
- type thermoplastic
- injection mould
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- Expired - Fee Related
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Abstract
The utility model relates to a quick core changing type thermoplastic sample injection mould, which is composed of a fixed mould, a movable mould, a changeable mould core, a mould core positioning and clamping mechanism and a quickly cooling water communicating device. The quick core changing type thermoplastic sample injection mould is characterized in that a one-way valve is respectively arranged in a female and a male quick change joints of the quickly cooling water communicating device and conducted by the pressure generated by a spring on a guide rod of a bracket plate; connecting points are provided with sealing rings; the mould core positioning and clamping mechanism adopts a spring plunger; a mounting hole of a temperature sensor is vertical to a parting surface. The utility model has the advantages of simple structure, convenient and rapid replacement of the mould core, high automatization, no pollution, stable performance of the spline of samples, and conformed requirement.
Description
The utility model belongs to the Injection Mould Design technical field, and is particularly strict and need produce the Injection Mould Design of complete sample fast to sample injection performance repeatability.
At present, the thermoplastic sample national standard that China carries out is worked out with reference to ISO294-1:1996, this standard recommendation one cover sample injection mould sketch.According to the sketch analysis, structurally also have following problems: the 1. quick engaging means complex structure of cooling water, the automaticity that core rod is changed is low.Because the positive hydraulic quick coupler of the quick engaging means of cooling water is connected on the core rod in the mould, and with the cloudy hydraulic quick coupler of its coupling be by spring, overcoat, allow locking ball enter that annular groove butt joint on the positive hydraulic quick coupler is connected, so for extracting core rod out, need overcoat to be return, allow locking ball from annular groove, withdraw from and to realize the core rod replacing by artificial or hydraulic means.2. in order to guarantee that the yin, yang hydraulic quick coupler docks reliably, enter annular groove again after requiring locking ball when core rod advances bump, to withdraw from voluntarily to put in place to core rod, this is just to hydraulic quick coupler requirement on machining accuracy height, and this working method has reduced the service life of hydraulic quick coupler again.3. this cooling water docking mechanism has only in the cloudy hydraulic quick coupler check valve is arranged, thereby after the separation of two joints, the Yang Kuaihuanjietouchu that the water in the core rod cooling system can never be installed check valve leaks, and pollutes working environment.4. the positioning and clamping mechanism of core rod is a single alignment pin owing to what adopt, and its operation all need manually be carried out, and has reduced core rod quick change effect.5. the installing hole of temperature sensor has influenced the distribution in temperature field owing to be not perpendicular to the die joint setting on the cover half, causes the sample performance instability.
Problem in view of the prior art existence, one of the purpose of this utility model is to solve first three problem that prior art exists, propose the quick engaging means of a kind of cooling water simple in structure of meter, make its core rod change the automaticity height, requirement on machining accuracy is low, long service life, the quick replaceable filter element type injection mould for thermoplastics of anhydrous leakage pollution.
Two of the purpose of this utility model is to solve the 4th problem that prior art exists, and intends further improving the effect of core rod quick change on the basis of aforementioned improved.
Three of the purpose of this utility model is to solve last problem that prior art exists, and little with the sample internal stress that guarantees preparation, stable performance is qualified.
The quick replaceable filter element type injection mould for thermoplastics that one of the utility model purpose proposes meter is made up of cover half, dynamic model, interchangeable core rod, core rod positioning and clamping mechanism, the quick engaging means of cooling water.Interchangeable core rod can be fixing wherein by the guide rail on the dynamic model and core rod positioning and clamping mechanism, the entery and delivery port on its end face can be simultaneously be connected in the dynamic model guide rail on the quick engaging means of cooling water link to each other.Two pairs of yin, yang hydraulic quick couplers of the quick engaging means of cooling water are corresponding respectively to be installed on the entery and delivery port position of supporting plate and interchangeable core rod, and check valve wherein all is installed separately.When the yin, yang hydraulic quick coupler docked, the spring on the supporting plate guide rod was compressed and makes the cloudy hydraulic quick coupler on the supporting plate obtain pressure, caused that needle in all coupling hydraulic quick couplers pushes mutually to return and the cooling water conducting.In order to prevent that docking the back cooling water leaks, yin, yang hydraulic quick coupler place is equipped with a sealing ring.After changing the separation of core rod yin, yang hydraulic quick coupler,, make the water of core rod cooling system can not leak contaminated environment from Yang Kuaihuanjietouchu because wherein the needle of check valve stretches out locking because of pressure relief.
Two the technical scheme that reaches the utility model purpose is on the basis of said structure, and the alignment pin that original positioning and clamping mechanism is single changes into by spring holder, spring and spacing handle and constituting.Spring holder is the single order cleat stanchion, is installed in the through hole of guide rail one side, and its front end is the frustum face.Spring holder stage casing pocketed springs, rear end and spacing handle are connected.Spacing handle inboard has perpendicular to handle plane and the spacing rib that is connected as a single entity with it, cooperates with the rectangular apertures with the guide rail side.When interchangeable core rod advances in dynamic model, there is a skewed slot the anterior side of core rod, act on spring holder front end frustum face, force spring holder to be return, allow die core front end arrive the bottom surface of controlling by pressing plate smoothly, this moment, spring holder stretched under the effect of spring in the locating hole of core rod side again automatically, withdrawed from thereby make the core rod location and stop it to move.Change core rod as need, as long as will extract and rotate 90 degree with the spacing handle that spring holder is connected, the spacing rib of spacing handle inboard is promptly lived by the short mouthful side bumper of guide rail side rectangular apertures, spring is ineffective, this spring holder also withdraws from core rod locating hole and slack, and core rod can freely be extracted out.Because the pushing effect of needle makes the extraction of core rod more easy in the cloudy hydraulic quick coupler.
Reach the utility model purpose three technical scheme then be that the temperature sensor installing hole on the cover half is divided into two sections formations, open on solid plate perpendicular to die joint for one section, another section and its rear end join and are parallel to die joint and open on fixed clamping plate.Thermocouple is installed perpendicular to die joint, reduced the influence of environment, guarantee the little and performance repeatability requirement of sample internal stress the mold temperature field.
Compared with the prior art the utility model has some advantages like this:
1. adopt the yin, yang hydraulic quick coupler of the quick engaging means of cooling water that check valve all is installed, and the technical measures such as pressure conducting that are equipped with sealing ring and utilize the spring on the supporting plate guide rod to produce at joint, the spring overcoat that requirement on machining accuracy is high in the prior art, locking ball and locating ring connected in star have been save, not only make the quick engaging means of cooling water simple in structure, requirement on machining accuracy is low, and core rod is changed the automaticity height, and docks convenient and reliable, long service life does not have the pollution of leaking.
2. the positioning and clamping mechanism of core rod has been because of having adopted the spring holder structure, not only makes core rod advance the location, back convenient, fast, reliable, and makes when extracting core rod out and also can reach effect same, thereby further improved the effect of core rod quick change.
3. original temperature sensor is installed the oblique cutting hole and is changed into installing hole, reduced the influence of environment the mould molding temperature field perpendicular to die joint, the sample cooling that has guaranteed preparation evenly, internal stress is little and to the requirement of stable performance.
Concrete structure of the present utility model is provided by accompanying drawing, but is not limited to accompanying drawing.
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is that the A-A of Fig. 1 is to structural representation.
Also the utility model is described in further detail to provide embodiment below in conjunction with accompanying drawing.
Embodiment:
As shown in Figure 1, the quick replaceable filter element type thermoplastic sample injection mould that provides of present embodiment is made up of cover half, dynamic model, interchangeable core rod 21, core rod positioning and clamping mechanism, the quick engaging means of cooling water.
Cover half is assembled successively by solid plate 1, fixed clamping plate 2, cover half heat-insulating shield 3, and the middle part is provided with sprue bush 4.For the pressure and the Mo Wen of Monitoring and Controlling die cavity, cover half is provided with pressure sensor 5 and temperature sensor 6.The installing hole 7 of pressure sensor 5 and temperature sensor 6 all constitutes by two sections, and offers perpendicular to die joint, open on solid plate 1 perpendicular to die joint for one section, its rear end be parallel to another section that die joint opens on fixed clamping plate 2 and join.Be provided with cooling water channel in the solid plate 1.During matched moulds, the guide pillar 8 on solid plate 1 outside cooperates the location with dowel hole on the core rod guide rail 9.
Dynamic model by core rod guide rail 9, dynamic model backing plate 10, back-up block 11, liftout plate 12, eject base plate 13, moving clamping plate 14 and dynamic model heat-insulating shield 15 and assemble successively.In order to adapt to the needs that different core rods prepare the difformity sample, some mould bases push rods 16 are installed on the corresponding site of liftout plate 12.Specimen shape difference according to preparation, in needs performances ejects the core rod of mould bases push rod 16 front ends of effect, core rod push rod 17 is installed, be with spring 18 on it, and rely on 16 performances of mould bases push rod to eject effect by corresponding ladder hole of opening and dynamic model setback on the core rod 21.The core rod position that does not need to bring into play mould bases push rod 16 correspondences of the effect of ejecting then has resigning hole, makes it not influence demoulding campaign.Push back pin 19 also is installed on liftout plate 12, can reliable backhaul to guarantee the mould bases ejecting mechanism.In addition, grade post 20 is installed also on liftout plate 12, preventing pushing up bad core rod 21, and can guarantees 18 life-spans of spring because of maloperation.Core rod guide rail 9 is a T type groove guide rail, and core rod 21 can be by guide rail 9 and the core rod positioning and clamping mechanism mount that is positioned at guide rail 9 one sides wherein.
Have the injection die cavity 22 of sample on the interchangeable core rod 21, see accompanying drawing 2.Be provided with cooling water channel in the core rod behind the die cavity 22.The entery and delivery port 23 of cooling water channel is opened on the end face of core rod 21 1 sides, is equipped with handle 24 on the core rod 21 opposite side end faces, changes operation to make things convenient for core rod 21.
The core rod positioning and clamping mechanism is made of spring holder 25, spring 26 and spacing handle 27, sees accompanying drawing 2.Spring holder 25 is the single order cleat stanchion, and its front end is the frustum face, its stage casing pocketed springs 26, and rear end and spacing handle 27 are connected.Spacing handle 27 inboards have perpendicular to handle plane and the spacing rib 28 that is connected as a single entity with it, cooperate with the rectangular apertures with guide rail 9 sides, guarantee that core rod 21 can freely extract out.
The quick engaging means of cooling water comprise yin, yang hydraulic quick coupler 29,30, sealing ring 31, guide rod 33, pressing plate 34, supporting plate 35, compression spring 36, nut 37 etc., see accompanying drawing 2.Yin, yang hydraulic quick coupler 29,30 has two pairs, and a check valve wherein all is installed.Sun hydraulic quick coupler 30 is by on the entery and delivery port 24 that is threaded in interchangeable core rod 21, and cloudy hydraulic quick coupler 29 then is connected in the shoulder hole in supporting plate 35 stage casings by spring collar 38.During butt joint, the check valve in the yin, yang hydraulic quick coupler 29,30 pushes needle 32 and conducting by the pressure that the spring on the guide rod 33 36 produces.Sealing ring 31 is installed in the shrinkage pool of cloudy hydraulic quick coupler 29.In order to improve sealing effectiveness, sealing ring 31 is selected the groove special-shaped seal ring for use.Guide rod 33 is two, by the termination screw thread respectively by pressing plate 34 parallel core rod guide rail 9 front ends that are connected in.Supporting plate 35 is a rectangular slab, and both ends have through hole, and is sleeved on the guide rod 33 by through hole.Guide rod 33 ends behind the supporting plate 35 are suit compression spring 36 and nut 37 successively again.
Claims (5)
1. quick replaceable filter element type thermoplastic sample injection mould, by cover half, dynamic model, interchangeable core rod (21), the core rod positioning and clamping mechanism, the quick engaging means of cooling water are formed, interchangeable core rod (21) can be fixing wherein by guide rail on the dynamic model (9) and core rod positioning and clamping mechanism, advancing on its end face, delivery port (23) can be simultaneously be connected in dynamic model guide rail (9) on the quick engaging means of cooling water link to each other, two pairs of the moon of the quick engaging means of cooling water, sun hydraulic quick coupler (29,30) correspondence is installed in supporting plate (35) and interchangeable core rod (21) advances respectively, on delivery port (23) position, in the wherein cloudy hydraulic quick coupler (29) check valve is installed, it is characterized in that:
1. in the positive hydraulic quick coupler (30) check valve is installed also, the pressure pushing needle (32) that the check valve in itself and the cloudy hydraulic quick coupler (29) produces by the spring (386) on the guide rod (33) and conducting;
2. be equipped with a sealing ring (31) in the cloudy hydraulic quick coupler (29).
2. quick replaceable filter element type thermoplastic sample injection mould according to claim 1 is characterized in that sealing ring (31) is the groove special-shaped seal ring.
3. quick replaceable filter element type thermoplastic sample injection mould according to claim 1 and 2, it is characterized in that the core rod positioning and clamping mechanism is made of spring holder (25), spring (26) and spacing handle (27), spring holder (25) is the single order cleat stanchion, its front end is the frustum face, stage casing pocketed springs (26), rear end and spacing handle (27) are connected, spacing handle (27) inboard has perpendicular to handle plane and the spacing rib (28) that is connected as a single entity with it, cooperates with the rectangular apertures with guide rail (9) side.
4. quick replaceable filter element type thermoplastic sample injection mould according to claim 1 and 2, it is characterized in that temperature sensor installing hole (7) constitutes by two sections on the cover half, open on solid plate (1) perpendicular to die joint for one section, another section and its rear end join and are parallel to die joint and open on fixed clamping plate (2).
5. quick replaceable filter element type thermoplastic sample injection mould according to claim 3, it is characterized in that temperature sensor installing hole (7) constitutes by two sections on the cover half, open on solid plate (1) perpendicular to die joint for one section, another section and its rear end join and are parallel to die joint and open on fixed clamping plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99231961 CN2379287Y (en) | 1999-06-28 | 1999-06-28 | Quick changing core type thermoplastic sample injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99231961 CN2379287Y (en) | 1999-06-28 | 1999-06-28 | Quick changing core type thermoplastic sample injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2379287Y true CN2379287Y (en) | 2000-05-24 |
Family
ID=34020727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99231961 Expired - Fee Related CN2379287Y (en) | 1999-06-28 | 1999-06-28 | Quick changing core type thermoplastic sample injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2379287Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152446A (en) * | 2011-03-04 | 2011-08-17 | 慈溪市盛艺模具有限公司 | Mold base structure allowing for quick mold replacement and using method thereof |
| CN103128925A (en) * | 2013-03-06 | 2013-06-05 | 厦门开捷塑胶制品有限公司 | Rapid die changing mould |
| CN105599044A (en) * | 2016-01-11 | 2016-05-25 | 大碇电脑配件(上海)有限公司 | Automatic fixing and aligning die sleeve of hardware die |
| CN107415166A (en) * | 2017-09-05 | 2017-12-01 | 温州瑞都特殊钢有限公司 | Die carrier convenient to change mould benevolence |
| CN110587715A (en) * | 2019-09-06 | 2019-12-20 | 黄山市展硕半导体科技有限公司 | Moving and fixing structure for electronic component production mold |
-
1999
- 1999-06-28 CN CN 99231961 patent/CN2379287Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152446A (en) * | 2011-03-04 | 2011-08-17 | 慈溪市盛艺模具有限公司 | Mold base structure allowing for quick mold replacement and using method thereof |
| CN102152446B (en) * | 2011-03-04 | 2013-02-27 | 慈溪市盛艺模具有限公司 | Mold base structure allowing for quick mold replacement and using method thereof |
| CN103128925A (en) * | 2013-03-06 | 2013-06-05 | 厦门开捷塑胶制品有限公司 | Rapid die changing mould |
| CN105599044A (en) * | 2016-01-11 | 2016-05-25 | 大碇电脑配件(上海)有限公司 | Automatic fixing and aligning die sleeve of hardware die |
| CN107415166A (en) * | 2017-09-05 | 2017-12-01 | 温州瑞都特殊钢有限公司 | Die carrier convenient to change mould benevolence |
| CN107415166B (en) * | 2017-09-05 | 2023-09-19 | 温州瑞都特殊钢有限公司 | Die carrier convenient to change mould benevolence |
| CN110587715A (en) * | 2019-09-06 | 2019-12-20 | 黄山市展硕半导体科技有限公司 | Moving and fixing structure for electronic component production mold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |