CN205044091U - Secondary ejection structure of mold - Google Patents
Secondary ejection structure of mold Download PDFInfo
- Publication number
- CN205044091U CN205044091U CN201520558812.8U CN201520558812U CN205044091U CN 205044091 U CN205044091 U CN 205044091U CN 201520558812 U CN201520558812 U CN 201520558812U CN 205044091 U CN205044091 U CN 205044091U
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- CN
- China
- Prior art keywords
- ejector sleeve
- upper plate
- dynamic model
- plate
- die cavity
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Abstract
The utility model discloses a secondary ejection structure of mold, its technical scheme main points include movable mould, bottom plate, lower roof, go up roof and die cavity. Going up the top -plate screw and being connected with the straight ejector pin that alternates in movable mould and die cavity, the incision has been seted up along the axial lead direction to the stiff end of straight ejector pin, it is fixed with the thimble that alternates in movable mould and die cavity to go up the roof, the stiff end of thimble is equipped with first locating piece, the bottom plate is fixed with and alternates department's section of thick bamboo core of roof, movable mould and the die cavity on, of roof under in, the stiff end of department's section of thick bamboo core is equipped with the second locating piece. Prevent the ejecting in -process of ejector pin from taking place rotatoryly and leaded to the condemned probability of product, improved the productivity effect.
Description
Technical field
The utility model relates to a kind of ejecting mechanism of mould, and more particularly, it relates to a kind of secondary ejecting mechanism of mould.
Background technology
Carry out in shaping process at employing plastic mould to product, sometimes the glue position of product is higher or product is more in the structure of male model side, and package power is large, once ejects part-structure in addition and stays on ejecting structure, therefore can use secondary ejection structure.
Knock-pin generally adopts cylindrical bar and is connected by screw and is fixed on mould.But mould is in Long-Time Service process, knock-pin there will be loosening phenomenon, and knock-pin on mould, axial-rotation can occur.Because the shape of push rod in die cavity mostly is curve, after rotation, can product rejection be caused, add the waste of raw material.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of position-limit mechanism that can effectively prevent knock-pin from rotating around own axes, avoids knock-pin to select dress to eject mold damage and product.
For achieving the above object, the utility model provides following technical scheme:
A kind of secondary ejecting mechanism of mould, comprise dynamic model, base plate, lower roof plate, upper plate, ejector sleeve fuse and die cavity, it is characterized in that, described lower roof plate is placed between base plate and dynamic model, described upper plate to be placed between lower roof plate and dynamic model and to be fixed on lower roof plate, and described die cavity is fixedly connected on dynamic model; Described ejector sleeve fuse is arranged with ejector sleeve and cut-off cover successively, and described ejector sleeve is interspersed in upper plate, dynamic model and die cavity, and described cut-off cover is interspersed in upper plate and is placed in below dynamic model, and described base plate abuts the spring of the ejector sleeve fuse be sheathed between overlapping with cut-off; Described upper plate is fixed with the thimble being interspersed in dynamic model and die cavity, the stiff end of described thimble is provided with the first limiting section, described base plate is fixed with the ejector sleeve fuse being interspersed in lower roof plate, upper plate, dynamic model and die cavity, the stiff end of described ejector sleeve fuse is provided with the second limiting section, described upper plate screw is connected with the straight push rod being interspersed in dynamic model and die cavity, and the stiff end of straight push rod is provided with the 3rd limiting section.
As preferably, described first limiting section comprises the first cylindrical piece offering the first corner cut, and the lower surface of described upper plate offers stopper slot, and tangent plane and the stopper slot inwall of described first corner cut fit tightly.
As preferably, described base plate offers locating slot, described second limiting section comprises the second cylindrical piece being provided with the second corner cut, second tangent plane and the locating slot inwall of the second corner cut fit tightly, the lower surface of described second cylindrical piece abuts fuse cover plate, and described fuse cover plate is fixed on base plate by screw.
As preferably, the upper surface of described upper plate offers rectangular channel, and the 3rd limiting section of described straight push rod comprises the cylindrical end offering three cuts, and the 3rd tangent plane of described three cuts and rectangular channel inwall fit tightly.
As preferably, described ejector sleeve fuse is arranged with spring, and described spring fairlead is arranged with in spring.
As preferably, described upper plate offers stepped cylindrical hole, the ejector sleeve gland being connected to spring fairlead is plugged in stepped cylindrical hole, one end of described cut-off cover to be placed in stepped cylindrical hole and to abut with ejector sleeve gland, under ejector sleeve gland is connected to dynamic model state, upper plate and lower roof plate can along the slippages of cut-off cover.
Compared with prior art, the beneficial effects of the utility model are: due to thimble and straight top board, the contact jaw in die cavity is all with curved surface, and in ejection process, thimble and straight top board rotate destruction mould and product.The utility model adopts the cylindrical piece offering corner cut that thimble is plugged in stopper slot at thimble, and the tangent plane of cylindrical piece and the inwall of stopper slot abut, and prevent thimble from rotating; The mode of otch is offered in the employing of straight push rod at paint stiff end, abutted, prevent straight push rod from rotating by the tangent plane of otch and the inwall of rectangular channel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ejecting mechanism embodiment of a kind of mould of the utility model;
Fig. 2 is the exploded perspective view of the ejecting mechanism embodiment of a kind of mould of the utility model;
Fig. 3 is the partial schematic sectional view of the ejecting mechanism embodiment of a kind of mould of the utility model;
Fig. 4 is the cooperation schematic diagram of the utility model thimble and upper plate;
Fig. 5 is the cooperation schematic diagram of the utility model ejector sleeve fuse and lower roof plate;
Fig. 6 is the cooperation schematic diagram of the straight push rod of the utility model and upper plate.
Description of reference numerals: 1, base plate; 2, lower roof plate; 3, upper plate; 31, stopper slot; 32, rectangular channel; 33, rectangular channel inwall; 34, stopper slot inwall; 4, dynamic model; 5, die cavity; 61, ejector sleeve fuse; 62, spring fairlead; 63, ejector sleeve gland; 64, cut-off cover; 65, ejector sleeve; 66, spring; 611, the second cylindrical piece; 612, the second tangent plane; 7, thimble; 71, the first cylindrical piece; 72, the first tangent plane; 8, straight push rod; 81, the 3rd tangent plane; 82, cylindrical end; 9, straight jacking block; 10, fuse cover plate; 11, locating slot; 12, locating slot inwall.
Detailed description of the invention
Referring to figs. 1 through Fig. 6, the ejecting mechanism embodiment of a kind of mould of the utility model is described further.
A secondary ejecting mechanism for mould, comprises dynamic model 4, base plate 1, lower roof plate 2, upper plate 3 and die cavity 5.
Consult Fig. 1, Fig. 3 and Fig. 5, the top of base plate 1 is provided with lower roof plate 2, upper plate 3, dynamic model 4 and die cavity 5 successively.Describedly determine plate and upper plate 3 is fixed by screw down.
Ejector sleeve fuse 61 is interspersed base plate 1, lower roof plate 2, upper plate 3, dynamic model 4 and die cavity 5 successively.Described upper plate 3 offers through stepped cylindrical hole, and segmentation place that described ejector sleeve fuse 61 is interspersed in stepped cylindrical hole is arranged with the ejector sleeve 65 of bottom with round platform, and described ejector sleeve 65 is successively through dynamic model 4 and die cavity 5.The stiff end of ejector sleeve fuse 61 is provided with the second cylindrical piece 611, described second cylindrical piece 611 is for offering the second tangent plane 612, offer locating slot 11 in the groove of described base plate 1, described second cylindrical piece 611 is plugged in locating slot 11, and the second tangent plane 612 is connected to locating slot inwall 12.The lower surface of described second cylindrical piece 611 abuts the fuse cover plate 10 having round pie, and described fuse cover plate 10 is fixed in the groove of base plate 1 by two screws.Second tangent plane 612 is connected to locating slot inwall 12, prevents ejector sleeve fuse 61 to rotate around the axis of self.
The outside of described ejector sleeve 65 is arranged with the cut-off cover 64 of bottom with circular trough, and described cut-off cover 64 passes upper plate 3 and is placed in the below of dynamic model 4.Described ejector sleeve 65 is connected to the upper end of the circular trough of cut-off cover 64, and described cut-off cover 64 is connected to the step place of stepped cylindrical hole.Ejector sleeve gland 63 is sheathed on ejector sleeve fuse 61, all abutting with ejector sleeve gland 63 with the lower end of cut-off cover 64 of ejector sleeve 65.
Lower roof plate 2 offers through hole, and on the same axis, the external diameter of through hole is identical with the maximum outside diameter of stepped cylindrical hole for the center line of described through hole and stepped cylindrical hole, is provided with the spring fairlead 62 be connected between base plate 1 and ejector sleeve gland 63 in through hole.The spring 66 be connected between ejector sleeve gland 63 and base plate 1 is provided with between spring fairlead 62 and through hole.Described ejector sleeve fuse 61, ejector sleeve 65, cut-off cover 64 and upper plate 3 between be matched in clearance.By the effect of spring 66, ejector sleeve 65 and cut-off cover 64 are all the time by a power upwards.
Consult Fig. 1, Fig. 3 and Fig. 6, described upper plate 3 offers rectangular channel 32, and the bottom surface of described rectangular channel 32 offers the hole running through upper plate 3 and lower roof plate 2.Described straight push rod 8 is interspersed in dynamic model 4 and die cavity 5 and can moves in dynamic model 4 and die cavity 5, and straight push rod 8 offers the 3rd tangent plane 81 for cylindrical end 82, and one end screw of described straight push rod 8 is fixed with straight jacking block 81, and described straight jacking block 81 is plugged in die cavity 5.The cylindrical end 82 of straight push rod 8 is plugged in rectangular channel 32 and is fixed by screw, and the 3rd tangent plane 81 abuts with rectangular channel inwall 33, can effectively stop straight push rod 8 to rotate around own central axis line in this way.
Consult Fig. 1, Fig. 3 and Fig. 4, the bottom surface of upper plate 3 offers stopper slot 31, and the upper surface of described stopper slot 31 offers the circular hole running through upper plate 3.Thimble 7 is interspersed is interspersed in circular hole, dynamic model 4 and die cavity 5 successively, and one end of thimble 7 is provided with the first cylindrical piece 71, and described first cylindrical piece 71 is for offering the first tangent plane 72.Described first cylindrical piece 71 is plugged in stopper slot 31, and the first tangent plane 72 is connected to stopper slot inwall 34, and the lower surface of the first cylindrical piece 71 is connected to lower roof plate 2.First tangent plane 72 is connected to stopper slot inwall 34, prevents thimble 7 to rotate around the axis of self.
Operation principle of the present utility model is: lower roof plate 2 and upper plate 3 are when the thrust of injection-moulding device moves to dynamic model 4, and the thimble 7 and the straight push rod 8 that are fixed on upper plate 3 eject to dynamic model 4.Ejector sleeve 65 and cut-off cover 64 can slide in upper plate 3, and due under spring 66 effect, ejector sleeve 65 and ejector sleeve fuse 61 eject to dynamic model 4.Above-mentionedly realize once ejecting of mechanism.
When ending cover 64 and abutting with dynamic model 4, there is not the space of stretching, extension in spring 66, and the thrust of ejector sleeve disappears, and ejector sleeve is not moving up.But thimble 7 and straight push rod 8 continue to eject under the thrust of injection-moulding device, complete Double-ejection.
Protection domain of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. the secondary ejecting mechanism of a mould, comprise dynamic model, base plate, lower roof plate, upper plate, ejector sleeve fuse and die cavity, it is characterized in that, described lower roof plate is placed between base plate and dynamic model, described upper plate to be placed between lower roof plate and dynamic model and to be fixed on lower roof plate, and described die cavity is fixedly connected on dynamic model; Described ejector sleeve fuse is arranged with ejector sleeve and cut-off cover successively, and described ejector sleeve is interspersed in upper plate, dynamic model and die cavity, and described cut-off cover is interspersed in upper plate and is placed in below dynamic model, and described base plate abuts the spring of the ejector sleeve fuse be sheathed between overlapping with cut-off; Described upper plate is fixed with the thimble being interspersed in dynamic model and die cavity, the stiff end of described thimble is provided with the first limiting section, described base plate is fixed with the ejector sleeve fuse being interspersed in lower roof plate, upper plate, dynamic model and die cavity, the stiff end of described ejector sleeve fuse is provided with the second limiting section, described upper plate screw is connected with the straight push rod being interspersed in dynamic model and die cavity, and the stiff end of straight push rod is provided with the 3rd limiting section.
2. the secondary ejecting mechanism of a kind of mould according to claim 1, it is characterized in that, described first limiting section comprises the first cylindrical piece offering the first corner cut, and the lower surface of described upper plate offers stopper slot, and tangent plane and the stopper slot inwall of described first corner cut fit tightly.
3. the secondary ejecting mechanism of a kind of mould according to claim 2, it is characterized in that, described base plate offers locating slot, described second limiting section comprises the second cylindrical piece being provided with the second corner cut, second tangent plane and the locating slot inwall of the second corner cut fit tightly, the lower surface of described second cylindrical piece abuts fuse cover plate, and described fuse cover plate is fixed on base plate by screw.
4. the secondary ejecting mechanism of a kind of mould according to claim 3, it is characterized in that, the upper surface of described upper plate offers rectangular channel, and the 3rd limiting section of described straight push rod comprises the cylindrical end offering three cuts, and the 3rd tangent plane of described three cuts and rectangular channel inwall fit tightly.
5. the secondary ejecting mechanism of a kind of mould according to claim 4, is characterized in that, described ejector sleeve fuse is arranged with spring, and described spring fairlead is arranged with in spring.
6. the secondary ejecting mechanism of a kind of mould according to claim 5, it is characterized in that, described upper plate offers stepped cylindrical hole, the ejector sleeve gland being connected to spring fairlead is plugged in stepped cylindrical hole, one end of described cut-off cover to be placed in stepped cylindrical hole and to abut with ejector sleeve gland, under ejector sleeve gland is connected to dynamic model state, upper plate and lower roof plate can along the slippages of cut-off cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520558812.8U CN205044091U (en) | 2015-07-29 | 2015-07-29 | Secondary ejection structure of mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520558812.8U CN205044091U (en) | 2015-07-29 | 2015-07-29 | Secondary ejection structure of mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205044091U true CN205044091U (en) | 2016-02-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520558812.8U Expired - Fee Related CN205044091U (en) | 2015-07-29 | 2015-07-29 | Secondary ejection structure of mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205044091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285611A (en) * | 2016-09-27 | 2017-01-04 | 重庆科技学院 | A kind of rock beam top driving device for API standard diversion chamber |
-
2015
- 2015-07-29 CN CN201520558812.8U patent/CN205044091U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285611A (en) * | 2016-09-27 | 2017-01-04 | 重庆科技学院 | A kind of rock beam top driving device for API standard diversion chamber |
| CN106285611B (en) * | 2016-09-27 | 2018-08-14 | 重庆科技学院 | A kind of rock beam top driving device for API standard diversion chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20200729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |