CN215791507U - Injection mold is with extension ejecting stroke device - Google Patents
Injection mold is with extension ejecting stroke device Download PDFInfo
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- CN215791507U CN215791507U CN202121794735.8U CN202121794735U CN215791507U CN 215791507 U CN215791507 U CN 215791507U CN 202121794735 U CN202121794735 U CN 202121794735U CN 215791507 U CN215791507 U CN 215791507U
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- fixedly connected
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- gear
- injection mold
- connecting plate
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an ejection stroke prolonging device for an injection mold, which comprises a lower die holder and an upper die holder, wherein one side of the lower die holder is movably connected with a plurality of slide bars, one ends of the slide bars are fixedly connected with a stress plate, the other ends of the slide bars are fixedly connected with a connecting plate, one side of the connecting plate is movably connected with a sliding frame, one side of the sliding frame is fixedly connected with a second tooth column, one side of the connecting plate is fixedly connected with a plurality of support columns, one ends of the support columns are fixedly connected with a lower die plate, one side of the lower die plate is fixedly connected with a clamping plate, and the top of the clamping plate is movably connected with a first tooth column. The die cavity of the die plate can be accurately corresponded through the guide column, the injection molding effect of the device is improved, the damage caused by the fact that the sliding frame directly extrudes the lower die holder can be avoided through the fixing plate, and the service life of the lower die holder is prolonged.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an ejection stroke prolonging device for an injection mold.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and particularly relates to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, cooling and solidifying to obtain a formed product.
In order to save manpower, common injection molds are provided with automatic material ejecting mechanisms to eject products, however, when large injection molded parts are injected, the product cannot be ejected completely by the material ejecting mechanisms, product clamping is caused, manual assistance is needed for taking out the product, and therefore the working efficiency is low, and therefore the device for prolonging the ejection stroke for the injection mold is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an ejection stroke prolonging device for an injection mold.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an ejection stroke prolonging device for an injection mold comprises a lower die holder and an upper die holder, wherein one side of the lower die holder is movably connected with a plurality of slide bars, one end of each slide bar is fixedly connected with a stress plate, the other end of each slide bar is fixedly connected with a connecting plate, one side of each connecting plate is movably connected with a carriage, one side of each carriage is fixedly connected with a second tooth column, one side of each connecting plate is fixedly connected with a plurality of supporting columns, one end of each supporting column is fixedly connected with a lower die plate, one side of the lower die plate is fixedly connected with a clamping plate, the top of the clamping plate is movably connected with a first tooth column, one side of the lower die plate is movably connected with a first rotating shaft, one side of the first rotating shaft is fixedly connected with a first gear, the first gear is meshed with the first tooth column, one side of the lower die plate is movably connected with a second rotating shaft, one side of the second rotating shaft is fixedly connected with a second gear, and the second gear is meshed with the first gear, one side of the second rotating shaft is fixedly connected with a third gear, the third gear is meshed with the second tooth column, one side of the upper die base is fixedly connected with an upper die plate, and die cavities are formed in the upper die plate and the lower die plate.
As a further scheme of the utility model, one side of the upper template is fixedly connected with a plurality of guide posts, one side of the lower template is provided with a plurality of guide holes, and the guide posts are inserted with the guide holes.
As a further aspect of the present invention, two return springs are fixedly connected to one side of the carriage, and one end of each return spring is fixed to the lower mold plate.
As a further scheme of the utility model, one side of the connecting plate is provided with a position-avoiding hole, and the position-avoiding hole is inserted with the first tooth column.
As a further scheme of the utility model, one side of the upper die holder is provided with an injection molding hole, and one sides of the lower die holder and the upper die holder are both provided with a plurality of mounting holes.
As a further aspect of the present invention, a fixing plate is fixedly connected to one side of the connecting plate, and the fixing plate is in contact with the carriage.
As a further scheme of the utility model, the tops of the upper die base and the lower die base are fixedly connected with hanging rings which are symmetrically distributed.
As a further scheme of the utility model, one side of each of the upper template and the lower template is fixedly connected with a sealing gasket.
The utility model has the beneficial effects that:
1. through the setting of the first tooth post of installation on the cardboard, the balladeur train promotes the product removal that the second tooth post moved forward in the promotion die cavity, and the second tooth post makes the third gear drive first gear revolve simultaneously to make first tooth post move forward push out the die cavity completely with the product, avoid the device can't be ejecting the product completely and need artifical supplementary to take out and cause work efficiency low, improved the work efficiency of device.
2. Through the setting of installation guide post on the cope match-plate pattern, the guide post can lead to the cope match-plate pattern, makes the accurate correspondence of die cavity on die cavity and the lower bolster in the cope match-plate pattern, avoids two die cavity dislocation to influence the effect of moulding plastics of device, has improved the effect of moulding plastics of device.
3. Through the setting of installation fixed plate on the die holder, the fixed plate can protect the die holder, avoids the balladeur train direct extrusion die holder to cause the damage to the die holder, has improved the life of die holder.
Drawings
Fig. 1 is a schematic structural view of a front view of an ejection stroke extending device for an injection mold according to the present invention;
FIG. 2 is a schematic side view of an apparatus for extending an ejection stroke of an injection mold according to the present invention;
FIG. 3 is a schematic cross-sectional view of a mold plate of the device for extending the ejection stroke of an injection mold according to the present invention;
fig. 4 is a schematic view of an exploded structure of a mold plate of the device for extending the ejection stroke of an injection mold according to the present invention.
In the figure: 1. a stress plate; 2. a lower die holder; 3. a connecting plate; 4. a lower template; 5. a guide post; 6. an upper die holder; 7. mounting holes; 8. a hoisting ring; 9. a guide hole; 10. a gasket; 11. a mold cavity; 12. injection molding holes; 13. a fixing plate; 14. avoiding holes; 15. a carriage; 16. a first tooth post; 17. clamping a plate; 18. a first gear; 19. a second gear; 20. a third gear; 21. a second tooth post; 22. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and their meaning in the context of this patent may be understood by those skilled in the art as appropriate.
Referring to fig. 1-4, an injection mold is with extending to push out the journey device, including lower die holder 2 and upper die holder 6, one side of lower die holder 2 is pegged graft and has a plurality of slide bars, one end of the slide bar is fixed with the stress board 1 through the bolt, another end of the slide bar is fixed with the connecting plate 3 through the bolt, one side of the connecting plate 3 is connected with the carriage 15 slidably, the stress board 1 moves back and forth and makes the connecting plate 3 move back and forth, thus make the slide bar slide back and forth in the lower die holder 2, one side of the carriage 15 is fixed with the second tooth post 21 through the bolt, one side of the connecting plate 3 is fixed with a plurality of support columns through the bolt, one end of the support column is fixed with the lower die plate 4 through the bolt, one side of the lower die plate 4 is fixed with the snap-gauge 17 through the bolt, the top of the snap-gauge 17 is connected with the first tooth post 16 slidably, one side of the lower die plate 4 is connected with the first pivot rotatably, one side of the first pivot is fixed with the first gear 18 through the bolt, and the first gear 18 is meshed with the first tooth column 16, one side of the lower template 4 is rotatably connected with a second rotating shaft, one side of the second rotating shaft is fixedly provided with a second gear 19 through a bolt, the second gear 19 is meshed with the first gear 18, one side of the second rotating shaft is fixedly provided with a third gear 20 through a bolt, the third gear 20 is meshed with a second tooth column 21, one side of the upper die base 6 is fixedly provided with an upper template through a bolt, a die cavity 11 is formed in the upper template and the lower template 4, the sliding frame 15 pushes the second tooth column 21 to move forwards to push a product in the die cavity 11 to move, meanwhile, the second tooth column 21 enables the third gear 20 to drive the first gear 18 to rotate, so that the first tooth column 16 moves forwards to push the product out of the die cavity 11, and the problem that the device cannot eject the product completely and needs manual assistance to take out the product to cause low working efficiency is avoided.
In the utility model, it should be noted that, one side of the upper template is fixed with a plurality of guide posts 5 through bolts, one side of the lower template 4 is provided with a plurality of guide holes 9, the guide posts 5 are inserted with the guide holes 9, the guide posts 5 can guide the upper template, so that the mold cavity 11 in the upper template is accurately corresponding to the mold cavity 11 on the lower template 4, and the injection molding effect of the device is prevented from being influenced by the dislocation of the two mold cavities 11, one side of the carriage 15 is fixed with two return springs 22 through bolts, one end of each return spring 22 is fixed with the lower template 4, one side of the connecting plate 3 is provided with an avoiding hole 14, the avoiding hole 14 is inserted with a first tooth post 16, one side of the upper template 6 is provided with an injection molding hole 12, one side of the lower template 2 and one side of the upper template 6 are both provided with a plurality of mounting holes 7, one side of the connecting plate 3 is fixed with a fixing plate 13 through bolts, and the fixing plate 13 is contacted with the carriage 15, fixed plate 13 can protect die holder 2, avoid balladeur train 15 direct extrusion die holder 2 to cause the damage to die holder 2, the top of upper die holder 2 and die holder 6 all has rings 8 through the bolt fastening, and rings 8 symmetric distribution, rings 8 make things convenient for the staff to remove the device, staff's physical power has been saved, one side of cope match-plate pattern and lower bolster 4 all bonds and has sealed the pad 10, it is inseparabler that sealed pad 10 makes to be connected between cope match-plate pattern and the lower bolster 4, avoid the material in the die cavity 11 to flow.
The working principle is as follows: when the product after injection molding needs to be automatically and completely ejected, an upper die base 2 and a lower die base 6 are fixed on two sides of the interior of an external injection molding machine through a mounting hole 7, a stress plate 1 is fixed with an external hydraulic cylinder, then the hydraulic cylinder is started, the stress plate 1 drives a guide hole 9 on the lower die plate 4 to move to a proper position to be inserted with a guide column 5 on the lower die plate 4, a slide rod slides in the lower die base 2, then a material is injected into a die cavity 11 through an injection hole 12 to mold the material in the die cavity 11, then the external hydraulic cylinder drives the stress plate 1 to move backwards to separate the upper die plate from the lower die plate 4, so that a connecting plate 3 drives a sliding frame 15 to move to a proper position to be contacted with a fixing plate 13, then the stress plate 1 drives the connecting plate 3 to continue to move backwards, so that the sliding frame 15 slides in the connecting plate 3, and a second tooth column 21 on the connecting plate 3 pushes the product in the die cavity 11 to move forwards, and the return spring 22 contracts, and at the same time, the second tooth column 21 moves to make the third gear 20 drive the second rotating shaft to rotate, so that the second gear 19 drives the first gear 18 to rotate, and further the first gear 18 drives the first tooth column 16 to move forward on the clamping plate 17, and further the first tooth column 16 completely pushes the product out of the mold cavity 11.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121794735.8U CN215791507U (en) | 2021-08-03 | 2021-08-03 | Injection mold is with extension ejecting stroke device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121794735.8U CN215791507U (en) | 2021-08-03 | 2021-08-03 | Injection mold is with extension ejecting stroke device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215791507U true CN215791507U (en) | 2022-02-11 |
Family
ID=80127916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121794735.8U Active CN215791507U (en) | 2021-08-03 | 2021-08-03 | Injection mold is with extension ejecting stroke device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215791507U (en) |
-
2021
- 2021-08-03 CN CN202121794735.8U patent/CN215791507U/en active Active
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