CN105690689A - Two-plate injection mold same-direction opening and closing mechanism - Google Patents
Two-plate injection mold same-direction opening and closing mechanism Download PDFInfo
- Publication number
- CN105690689A CN105690689A CN201610061694.9A CN201610061694A CN105690689A CN 105690689 A CN105690689 A CN 105690689A CN 201610061694 A CN201610061694 A CN 201610061694A CN 105690689 A CN105690689 A CN 105690689A
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- Prior art keywords
- dynamic model
- quick
- slow speed
- mold
- movable mold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/66—Mould opening, closing or clamping devices mechanical
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a two-plate injection mold same-direction opening and closing mechanism. The mechanism comprises a fixed mold, a stripper plate, a quick movable mold, a slow movable mold and a driving component, wherein the stripper plate is connected with the rear end of the fixed mold; the fixed mold and the stripper plate define a mold cavity; the quick movable mold abuts against the rear end face of the stripper plate; a front-back through push hole is formed in the quick movable mold; the slow movable mold is located behind the quick movable mold and provided with a push rod, and the push rod can penetrate through the push hole to abut against and push the stripper plate; the driving component connects the slow movable mold and the quick movable mold and drives the slow movable mold and the quick movable mold to conduct coordinated movement in the same direction far from or close to the fixed mold; and during coordinated movement, the movement speed of the quick movable mold is higher than that of the slow movable mold. According to the two-plate injection mold same-direction opening and closing mechanism, a whole movable mold is divided into the quick movable mold and the slow movable mold, and the quick movable mold and the slow movable mold conduct coordinated movement in the same direction at different speeds during mold opening, so that it is guaranteed that the stripper plate and a workpiece are ejected out by the push rod through the speed difference between the two movable molds while mold opening, the working efficiency is greatly improved, and time is saved. The two-plate injection mold same-direction opening and closing mechanism can be applied to molding.
Description
Technical field
The present invention relates to casting mould field, particularly relate to a kind of double-plate injection mould open-and-close mechanism in the same direction。
Background technology
Existing two plate mode mould opening-closing mechanism great majority adopt bolt to be directly connected to a bracer and gripper shoe to realize the folding of moving platen and cover half, then promote push rod to be ejected by workpiece again。
This mechanism has two separately performed steps when being typically in die sinking, separate with opening of cover half including moving platen, and utilizes push rod to eject workpiece。Owing to two steps are separately performed, the continuity of production is not high, and wastes the time of opening and closing mould, and its production efficiency has much room for improvement。
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to provide a kind of saving time, carry high efficiency double-plate injection mould open-and-close mechanism in the same direction。
The technical solution adopted in the present invention is:
A kind of double-plate injection mould open-and-close mechanism in the same direction, including:
The stripper plate of cover half and connection cover half rear end, surrounds die cavity between the two；
Quick dynamic model, is connected to the rear end face of stripper plate, has the push hole before and after running through in quick dynamic model；
Dynamic model at a slow speed, is positioned at quick dynamic model rear, and dynamic model is provided with push rod at a slow speed, and described push rod may pass through push hole thus pushing tow stripper plate；
Driver part, connects dynamic model and quick dynamic model at a slow speed, and drive dynamic model and quick dynamic model at a slow speed towards away from or near the linkage in the same direction of cover half, in linkage process, dynamic model is high at a slow speed for the movement velocity ratio of quick dynamic model。
As a further improvement on the present invention, being connected to elastomeric element between described cover half and stripper plate, stripper plate is applied the elastic force towards quick dynamic model by described elastomeric element。
As a further improvement on the present invention, described driver part and quick dynamic model, at a slow speed dynamic model form the first crank block structure and the second crank block structure respectively, first crank block structure shares crank section and crankshaft part with the second crank block structure, quick dynamic model is with dynamic model is respectively as respective slide crank block structured Slipper at a slow speed, and crankshaft part is positioned at the rear of dynamic model at a slow speed。
As a further improvement on the present invention, described driver part includes two group leader's connecting rods and two rotation bars, the end of the hinged quick dynamic model in front end of each described long connecting rod, the tail end of two group leader's connecting rods is hinged and constitutes the first slide crank block structured shaft portion, each tail end rotating bar is respectively articulated with group leader's connecting rod, constitute the first slide crank block structured crank section, each front end rotating bar constitutes the second slide crank block structured shaft portion with dynamic model at a slow speed, two rotation bars are hinged at middle part, and its jointed shaft constitutes crankshaft part。
As a further improvement on the present invention, the hinged end of two group leader's connecting rods is connected to hydraulic pressure pushing block。
As a further improvement on the present invention, each described long connecting rod is provided with some speed governing holes, and the tail end of described rotation bar is hinged with arbitrary speed governing hole。
As a further improvement on the present invention, each described long connecting rod includes the first rod member and the second rod member that are hinged, the hinged quick dynamic model in front end of described first rod member, the tail end of described second rod member is hinged with the second rod member of another long connecting rod, and described speed governing hole is arranged on the second rod member。
As a further improvement on the present invention, described first rod member and/or the second rod member be provided with at least two positioning hole, described first rod member and the second rod member by respective positioning hole hinged。
As a further improvement on the present invention, the front end of each described rotation bar is hinged with a slide block, it is provided with longitudinal chute in described dynamic model at a slow speed, the length direction of described longitudinal chute is perpendicular to the moving direction of dynamic model at a slow speed, each described slide block embeds in longitudinal chute and is connected with longitudinal slide, and described longitudinal chute and slide block constitute the second slide crank block structured shaft portion。
As a further improvement on the present invention, described quick dynamic model and be provided with at a slow speed limiting component between dynamic model, described limiting component is fixed on quick dynamic model or at a slow speed on dynamic model。
The invention has the beneficial effects as follows: entirety dynamic model is divided into quick dynamic model and dynamic model at a slow speed by the present invention, two parts link at different rates in the same direction when die sinking, so that it is guaranteed that the speed difference owing to existing between two dynamic models makes to utilize push rod stripper plate and workpiece to be ejected while die sinking, it is greatly improved work efficiency, saves the time。
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is further described。
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic diagram that product is ejected。
Detailed description of the invention
Double-plate injection mould open-and-close mechanism in the same direction as shown in Figure 1, including cover half, stripper plate 1, quick dynamic model, at a slow speed dynamic model and driver part。
Cover half includes a solid plate 12, and the mode that solid plate 12 front end face is bolted is connected to locating ring 13, and sprue bush 14 is positioned in solid plate 12 by this locating ring 13。Stripper plate 1 is contacted with at solid plate 12 rear end face, but is not fixing connection, but can be separated from each other。Stripper plate 1, solid plate 12, sprue bush 14 and penetrate the core 17 of solid plate 12 and define the die cavity of product。
Quick dynamic model is connected on the rear end face of stripper plate 1 and can separate with stripper plate 1, it includes core fixing plate 15 and supporting seat 16, the front end face of core fixing plate 15 abuts stripper plate 1, rear end face and supporting seat 16 are bolted fixing, the rear portion of core 17 is arranged on core fixing plate 15, anterior insertion stripper plate 1。Being additionally provided with sprue puller 18 on the axis of core fixing plate 15, this sprue puller 18 one end is fixing connects core fixing plate 15, and the other end extends in die cavity after stripper plate 1。Being also equipped with guide pillar 19 on core fixing plate 15, described guide pillar 19 extends to solid plate 12, guide post during as quick dynamic model die sinking。
Above-mentioned dynamic model at a slow speed is positioned at quick dynamic model rear and separates with quick dynamic model, and it includes moving platen 20, the fixing push rod backing plate 22 connecting the ejector pin retaining plate 21 of moving platen 20 front end face, fixing connection ejector pin retaining plate 21 front end face。Being provided with push rod 3 on ejector pin retaining plate 21, this push rod 3 is parallel to the axis of dynamic model at a slow speed。Supporting seat 16 and core fixing plate 15 are provided with the push hole 2 coordinated with push rod 3, this push hole 2 runs through the front and back of whole quick dynamic model, therefore, push rod 3 can pass through the mode pushing tow stripper plate 1 through push hole 2, thus being separated from core fixing plate 15 by stripper plate 1。
Above-mentioned driver part connects dynamic model and quick dynamic model at a slow speed respectively, and drives dynamic model and the quick dynamic model court linkage in the same direction away from (backward) or close (forward) cover half at a slow speed, and in linkage process, dynamic model is high at a slow speed for the movement velocity ratio of quick dynamic model。Namely described linkage refers to move simultaneously, and described refers to relative to cover half in the same direction, and the motion of quick dynamic model and at a slow speed dynamic model all toward the direction, and is all translation。
According to above-mentioned structure, in die sinking process, quick dynamic model moves with dynamic model at a slow speed simultaneously, because both have speed difference, can be regarded as quick dynamic model close towards dynamic model at a slow speed, that is to say that push rod 3 is close until taking off and being ejected by stripper plate 1 towards stripper plate 1, separate with core fixing plate 15。In general, die sinking puts in place rear push-rod 3 also just ejection device plate 1。
It is preferred that, elastomeric element 4 it is connected between cover half and stripper plate 1, this preferably cylindrical spring of elastomeric element 4, two ends abut stripper plate 1 and solid plate 12 respectively, stripper plate 1 can be applied elastic force towards quick dynamic model constantly in matched moulds and casting process。In die sinking process, above-mentioned elastic force makes stripper plate 1 to separate from cover half well。
In embodiment, driver part is some bar assemblies, and these bar assemblies and quick dynamic model, at a slow speed dynamic model form the first crank block structure and the second crank block structure respectively。Both crank block structures are respectively provided with crank section, crankshaft part, shaft portion and Slipper。Wherein the first crank block structure shares crank section and crankshaft part with the second crank block structure, and quick dynamic model and dynamic model at a slow speed are respectively as respective slide crank block structured Slipper。Owing to crank section and crankshaft part are shared, crank section can drive the linkage of quick dynamic model and dynamic model at a slow speed when rotating。In embodiment, crankshaft part is positioned at the rear of dynamic model at a slow speed。
Concrete, driver part includes two group leader's connecting rods 5 and two rotation bars 6, and two group leader's connecting rods 5 are symmetrical arranged, and two rotation bars 6 are also symmetrical arranged。On the otic placode 23 of the end, hinged support seat 16 two ends, front end of each long connecting rod 5, the tail end of two group leader's connecting rods 5 is hinged, constituting the first slide crank block structured shaft portion, each tail end rotating bar 6 is respectively articulated with group leader's connecting rod 5, constitutes the first slide crank block structured crank section。Each front end rotating bar 6 constitutes the second slide crank block structured shaft portion with dynamic model at a slow speed, and two rotation bars 6 are hinged at middle part, and its jointed shaft constitutes crankshaft part。The jointed shaft 25 of two jointed shaft 24, the two group leader's connecting rods 5 rotating bars 6 and the quickly center of the center of dynamic model, at a slow speed dynamic model, cover half center all in a straight line。The jointed shaft 24 of two rotation bars 6 is location as crankshaft part, is connected with the rack section outside open-and-close mechanism。User can be designed that various structures carrys out the rotation of driving crank part。
Second crank block structure can be realized by the mode of the following stated。Each front end rotating bar 6 is hinged with a slide block 10, longitudinal chute 11 it is provided with in moving platen 20, the length direction of longitudinal chute 11 is perpendicular to the moving direction of dynamic model at a slow speed, each slide block 10 embeds in longitudinal chute 11 and is slidably connected with longitudinal chute 11, the opening part of longitudinal chute 11 is provided with a slide block restriction plate 26, in order to limit the degree of freedom of slide block 10 so that it is in longitudinal chute 11, only there is sliding degree of freedom longitudinally。Longitudinal chute 11 constitutes the second slide crank block structured shaft portion with slide block 10。
Above-mentioned slide block 10 can also substitute with roller, and the rolling of roller and longitudinal chute 11 can reduce abrasion, and roller motion in longitudinal chute 11 can also regard a kind of slide block as。
Preferably, by driving long connecting rod 5 to drive the folding mould of quick dynamic model, at a slow speed dynamic model in embodiment。The hinged end of two group leader's connecting rods 5 is connected to hydraulic pressure pushing block 7。Duty with reference to Fig. 2, during die sinking, forwards promoting hydraulic pressure pushing block 7, the distance of jointed shaft 24 and jointed shaft 25 moves closer to, rotate bar 6 to rotate, thus with movable slider 10 sliding pull dynamic model at a slow speed rearward to translate with slower speed V1 in longitudinal chute 11；Long connecting rod 5 also rotates, and hauls quick dynamic model and rearward translates with speed V2 faster, V2 > V1, and in this continuous print process, quick dynamic model moves closer to dynamic model at a slow speed；Time quick dynamic model just moves afterwards, stripper plate 1 ins succession product also with moving afterwards, until dynamic model at a slow speed on quick dynamic model " chasing after ", push rod 3 pushing tow stripper plate 1 makes it separate with core fixing plate 15。
It is further preferred that the point-to-point speed of quick dynamic model and at a slow speed dynamic model can be adjusted by the position relationship of long connecting rod 5 and rotation bar 6。Specifically, each long connecting rod 5 is provided with several speed governing holes 8, and in a straight line, the tail end rotating bar 6 is hinged with arbitrary speed governing hole 8 at the center in these speed governing holes 8。Rotate the bar 6 speed governing hole 8 by hinged diverse location, then, the length of the second slide crank block structured shaft portion can change, and the translational motion velocity of quick dynamic model also can change。
It is further preferred that each long connecting rod 5 includes the first rod member 51 and the second rod member 52 being hinged。The hinged otic placode 23 in front end of the first rod member 51, the tail end of the second rod member 52 is hinged with the second rod member 52 of another long connecting rod 5, and speed governing hole 8 is arranged on the second rod member 52。
Being provided with at least two positioning hole 9 on the first above-mentioned rod member 51 and/or the second rod member 52, the first rod member 51 and the second rod member 52 are hinged by respective positioning hole 9。By two rod members on the positioning hole 9 of diverse location hinged, the overall length of long connecting rod 5 also can change, and therefore, the translational motion velocity of quick dynamic model also can change。
By above-mentioned multiple speed governing holes 8 and multiple positioning hole 9, it is achieved dynamic model can move according to different velocity ratios from quick dynamic model two parts at a slow speed。This different velocity ratio makes the controlled continuously of die sinking and product ejection process。
It is further preferred that quick dynamic model and be additionally provided with at a slow speed limiting component between dynamic model, it is used for preventing quick dynamic model, colliding between dynamic model at a slow speed, also avoids both excessive translation。Described limiting component is a limited block 27, it is possible to is fixed on the rear end face of moving platen 20, or is fixed on the front end face of supporting seat 16。
The above is the preferred embodiment of the present invention, and it is not intended that limiting the scope of the invention。
Claims (10)
1. a double-plate injection mould open-and-close mechanism in the same direction, it is characterised in that including:
The stripper plate (1) of cover half and connection cover half rear end, surrounds die cavity between the two；
Quick dynamic model, is connected to the rear end face of stripper plate (1), has the push hole (2) before and after running through in quick dynamic model；
Dynamic model at a slow speed, is positioned at quick dynamic model rear, and dynamic model is provided with push rod (3) at a slow speed, and described push rod may pass through push hole (2) thus pushing tow stripper plate (1)；
Driver part, connects dynamic model and quick dynamic model at a slow speed, and drive dynamic model and quick dynamic model at a slow speed towards away from or near the linkage in the same direction of cover half, in linkage process, dynamic model is high at a slow speed for the movement velocity ratio of quick dynamic model。
2. double-plate injection mould open-and-close mechanism in the same direction according to claim 1, it is characterized in that: be connected to elastomeric element (4) between described cover half and stripper plate (1), stripper plate (1) is applied the elastic force towards quick dynamic model by described elastomeric element (4)。
3. double-plate injection mould open-and-close mechanism in the same direction according to claim 1, it is characterized in that: described driver part and quick dynamic model, at a slow speed dynamic model form the first crank block structure and the second crank block structure respectively, first crank block structure shares crank section and crankshaft part with the second crank block structure, quick dynamic model is with dynamic model is respectively as respective slide crank block structured Slipper at a slow speed, and crankshaft part is positioned at the rear of dynamic model at a slow speed。
4. double-plate injection mould open-and-close mechanism in the same direction according to claim 3, it is characterized in that: described driver part includes two group leader's connecting rods (5) and two rotation bars (6), the end of the hinged quick dynamic model in front end of each described long connecting rod (5), the tail end of two group leader's connecting rods (5) is hinged and constitutes the first slide crank block structured shaft portion, the tail end respectively rotating bar (6) is respectively articulated with group leader's connecting rod (5), constitute the first slide crank block structured crank section, the front end respectively rotating bar (6) constitutes the second slide crank block structured shaft portion with dynamic model at a slow speed, two rotations bar (6) are hinged at middle part, its jointed shaft constitutes crankshaft part。
5. double-plate injection mould open-and-close mechanism in the same direction according to claim 4, it is characterised in that: the hinged end of two group leader's connecting rods (5) is connected to hydraulic pressure pushing block (7)。
6. double-plate injection mould open-and-close mechanism in the same direction according to claim 5, it is characterized in that: each described long connecting rod (5) is provided with some speed governing holes (8), the tail end of described rotation bar (6) is hinged with arbitrary speed governing hole (8)。
7. double-plate injection mould open-and-close mechanism in the same direction according to claim 6, it is characterized in that: each described long connecting rod (5) includes the first rod member (51) and the second rod member (52) that are hinged, the hinged quick dynamic model in front end of described first rod member (51), the tail end of described second rod member (52) is hinged with second rod member (52) of another long connecting rod (5), and described speed governing hole (8) is arranged on the second rod member (52)。
8. double-plate injection mould open-and-close mechanism in the same direction according to claim 7, it is characterized in that: described first rod member (51) and/or the second rod member (52) are provided with at least two positioning hole (9), described first rod member (51) is hinged by respective positioning hole (9) with the second rod member (52)。
9. the double-plate injection mould open-and-close mechanism in the same direction according to any one of claim 4 to 8, it is characterized in that: the front end of each described rotation bar (6) is hinged with a slide block (10), longitudinal chute (11) it is provided with in described dynamic model at a slow speed, the length direction of described longitudinal chute (11) is perpendicular to the moving direction of dynamic model at a slow speed, each described slide block (10) embeds in longitudinal chute (11) and is slidably connected with longitudinal chute (11), and described longitudinal chute (11) and slide block (10) constitute the second slide crank block structured shaft portion。
10. double-plate injection mould open-and-close mechanism in the same direction according to any one of claim 1 to 8, it is characterised in that: described quick dynamic model and be provided with at a slow speed limiting component between dynamic model, described limiting component is fixed on quick dynamic model or at a slow speed on dynamic model。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061694.9A CN105690689B (en) | 2016-01-28 | 2016-01-28 | A kind of double-plate injection mould open-and-close mechanism in the same direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610061694.9A CN105690689B (en) | 2016-01-28 | 2016-01-28 | A kind of double-plate injection mould open-and-close mechanism in the same direction |
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| Publication Number | Publication Date |
|---|---|
| CN105690689A true CN105690689A (en) | 2016-06-22 |
| CN105690689B CN105690689B (en) | 2017-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610061694.9A Expired - Fee Related CN105690689B (en) | 2016-01-28 | 2016-01-28 | A kind of double-plate injection mould open-and-close mechanism in the same direction |
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| Country | Link |
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| CN (1) | CN105690689B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849129A (en) * | 2019-11-12 | 2020-02-28 | 东莞市嘉洋塑胶科技有限公司 | Plastic particle drying device |
| CN112454834A (en) * | 2020-11-20 | 2021-03-09 | 江西北源智能科技有限公司 | Clamping mechanism of injection molding machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0470314A (en) * | 1990-06-30 | 1992-03-05 | Mitsubishi Materials Corp | Transfer molding machine |
| CN205364442U (en) * | 2016-01-28 | 2016-07-06 | 广东工业大学 | Two board -like injection mould syntropys mechanism that opens and shuts |
-
2016
- 2016-01-28 CN CN201610061694.9A patent/CN105690689B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0470314A (en) * | 1990-06-30 | 1992-03-05 | Mitsubishi Materials Corp | Transfer molding machine |
| CN205364442U (en) * | 2016-01-28 | 2016-07-06 | 广东工业大学 | Two board -like injection mould syntropys mechanism that opens and shuts |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849129A (en) * | 2019-11-12 | 2020-02-28 | 东莞市嘉洋塑胶科技有限公司 | Plastic particle drying device |
| CN110849129B (en) * | 2019-11-12 | 2020-12-08 | 东莞市嘉洋塑胶科技有限公司 | Plastic particle drying device |
| CN112454834A (en) * | 2020-11-20 | 2021-03-09 | 江西北源智能科技有限公司 | Clamping mechanism of injection molding machine |
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| Publication number | Publication date |
|---|---|
| CN105690689B (en) | 2017-09-19 |
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