CN221315034U - Injection mold with enlarged ejector plate - Google Patents
Injection mold with enlarged ejector plate Download PDFInfo
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- CN221315034U CN221315034U CN202223510288.6U CN202223510288U CN221315034U CN 221315034 U CN221315034 U CN 221315034U CN 202223510288 U CN202223510288 U CN 202223510288U CN 221315034 U CN221315034 U CN 221315034U
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- plate
- ejector
- main
- enlarged
- lower die
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- 238000002347 injection Methods 0.000 title claims abstract description 29
- 239000007924 injection Substances 0.000 title claims abstract description 29
- 238000001746 injection moulding Methods 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000004033 plastic Substances 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 5
- 239000002991 molded plastic Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an injection mold adopting an enlarged ejector plate, which comprises a mold frame and an ejection mechanism, wherein the mold frame comprises a top plate, an upper mold plate, a lower mold plate, a cushion block and a bottom plate which are sequentially arranged along a first direction, and an injection molding cavity is formed between the upper mold plate and the lower mold plate; the ejection mechanism comprises a main ejector plate, a side ejector plate, a main ejector pin and a side ejector pin, wherein the main ejector plate is arranged between the bottom plate and the lower die plate, the main ejector pin is arranged on the main ejector plate along a first direction, and the upper end of the main ejector pin passes through the lower die plate to the injection molding cavity; the side ejector pin plate is arranged at the side part of the main ejector pin plate, the side ejector pin plate is connected with the main ejector pin plate, the side ejector pins are arranged on the side ejector pin plate along the first direction, and the upper ends of the side ejector pins penetrate through the lower die plate to the injection molding cavity. According to the injection mold disclosed by the utility model, the side ejector plate is added to the side part of the main ejector plate, so that the structure of the ejection mechanism is matched with the size of a plastic part, the production requirement can be met, and the production cost is controlled.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection mold with an enlarged ejector plate.
Background
The injection molding is a processing method for injecting a hot-melt plastic material into a closed cavity with a required shape in a mold at high speed, cooling and solidifying the plastic material, opening the mold, and taking out the solidified plastic product to obtain a molded product. In injection molding production, in injection molds corresponding to different products, the upper template and the lower template are different, but the sizes of the ejector plates are approximately the same, so that manufacturers generally produce or purchase ejector plates with uniform sizes. However, in actual production, a production order of a large-size plastic part product is occasionally received, and when injection molding is performed on the large-size plastic part, the conventional-size ejector plate cannot meet the production requirement, and if the large-size ejector plate is re-produced or purchased, the production cost is increased.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides an injection mold with an enlarged ejector plate, which can control the cost and meet the injection molding requirement of large-size plastic parts.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
An injection mold adopting an enlarged ejector plate comprises a mold frame and an ejection mechanism, wherein the mold frame comprises a top plate, an upper mold plate, a lower mold plate, a cushion block and a bottom plate which are sequentially arranged along a first direction, and an injection molding cavity is formed between the upper mold plate and the lower mold plate; the ejection mechanism comprises a main ejector plate, a side ejector plate, a main ejector pin and a side ejector pin, wherein the main ejector plate is arranged between the bottom plate and the lower die plate, the main ejector pin is arranged on the main ejector plate along the first direction, and the upper end of the main ejector pin passes through the lower die plate to the injection molding cavity; the side ejector pin plate is arranged on the side part of the main ejector pin plate, the side ejector pin plate is connected with the main ejector pin plate, the side ejector pins are arranged on the side ejector pin plate along the first direction, and the upper ends of the side ejector pins penetrate through the lower die plate to the injection molding cavity.
Preferably, a first connecting structure is arranged on the side part of the main ejector plate, a second connecting structure is correspondingly arranged on the side ejector plate, and the second connecting structure is matched with the first connecting structure so as to connect the side ejector plate with the main ejector plate.
Preferably, a T-shaped groove is formed in the side portion of the main ejector plate, a T-shaped block is correspondingly arranged on the side ejector plate, and the T-shaped block is embedded into the T-shaped groove so as to connect the side ejector plate with the main ejector plate.
Preferably, a T-shaped block is arranged at the side of the main ejector plate, a T-shaped groove is correspondingly arranged on the side ejector plate, and the T-shaped block is embedded into the T-shaped groove so as to connect the side ejector plate with the main ejector plate.
Preferably, the ejection mechanism further comprises an insert pin, the insert pin is arranged on the bottom plate along the first direction, and the upper end of the insert pin penetrates through the side ejector plate and the upper die plate to the injection molding cavity.
Preferably, the die carrier further comprises a supporting block, the supporting block is arranged between the bottom plate and the lower die plate, the supporting block is fixed on the bottom plate, the supporting block penetrates through the main ejector pin plate, and the top surface of the supporting block abuts against the bottom surface of the lower die plate.
Preferably, the die carrier further comprises a guide post and a guide sleeve, wherein the guide post is arranged on the cushion block and penetrates through the upper die plate and the lower die plate, and the guide sleeve is arranged outside the guide post.
Preferably, the side ejector plates are arranged on two sides of the main ejector plate, and the side ejector plate on each side is provided with the side ejector.
Preferably, the plurality of main ejector pins are arranged on the main ejector pin plate in parallel.
Preferably, gaps are arranged between the main thimble and the lower die plate and between the side thimble and the lower die plate.
Compared with the prior art, the utility model has the beneficial effects that: the injection mold adopts the enlarged ejector plate, and the side ejector plate is added at the side part of the main ejector plate, so that the structure of the ejection mechanism is matched with the size of a plastic part, the production requirement can be met, and the production cost is controlled.
Drawings
Fig. 1 is a schematic structural diagram of an injection mold employing an enlarged ejector plate according to an embodiment of the present utility model.
Fig. 2 is an enlarged view of the structure at a in fig. 1.
Fig. 3 is a schematic structural view of an injection mold using an enlarged ejector plate according to another embodiment of the present utility model.
Fig. 4 is an enlarged view of the structure at B in fig. 3.
In the figure, 10-die carrier, 11-roof, 12-cope match-plate pattern, 13-lower bolster, 14-cushion, 15-bottom plate, 16-injection molding cavity, 17-supporting block, 18-guide pillar, 19-guide sleeve, 20-ejection mechanism, 21-main ejector pin plate, 22-side ejector pin plate, 23-main ejector pin, 24-side ejector pin, 25-insert pin.
Detailed Description
For a further understanding of the objects, construction, features and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural diagram of an injection mold employing an enlarged ejector plate according to an embodiment of the present utility model, and fig. 2 is an enlarged structural diagram of a portion a in fig. 1. The utility model relates to an injection mold adopting an enlarged ejector plate, which comprises a mold frame 10 and an ejection mechanism 20, wherein the mold frame 10 comprises a top plate 11, an upper mold plate 12, a lower mold plate 13, a cushion block 14 and a bottom plate 15 which are sequentially arranged along a first direction X, and an injection molding cavity 16 is formed between the upper mold plate 11 and the lower mold plate 12. The ejection mechanism 20 comprises a main ejector plate 21, a side ejector plate 22, a main ejector pin 23 and a side ejector pin 24, wherein the main ejector plate 21 is arranged between the bottom plate 15 and the lower die plate 13, the main ejector pin 23 is arranged on the main ejector plate 21 along a first direction X, and the upper end of the main ejector pin 23 passes through the lower die plate 13 to the injection molding cavity 16. The side thimble plate 22 is arranged at the side part of the main thimble plate 21, the side thimble plate 22 is connected with the main thimble plate 21, the side thimble 24 is arranged on the side thimble plate 22 along the first direction X, and the upper end of the side thimble 24 passes through the lower die plate 13 to the injection molding cavity 16.
During demolding, the upper template 12 and the lower template 13 are firstly opened, the upper template 12 is separated from the molded plastic part, the main ejector pin plate 21 and the side ejector pin plate 22 simultaneously move along the first direction X towards the lower template 13 to drive the main ejector pins 23 and the side ejector pins 24 to synchronously move, so that the molded plastic part is ejected, the molded plastic part is separated from the lower template 13, and demolding operation is realized. The side ejector plate 22 is added on the side part of the main ejector plate 21, so that the structure of the ejector mechanism 20 is matched with the size of a plastic part, the production requirement can be met, and the production cost is controlled.
In the preferred embodiment of the present utility model, the side portion of the main ejector plate 21 is provided with a first connecting structure, and the side ejector plate 22 is correspondingly provided with a second connecting structure, and the second connecting structure is matched with the first connecting structure so as to connect the side ejector plate 22 with the main ejector plate 21.
Referring to fig. 1 and 2 in combination, in some embodiments, a T-shaped groove 211 is formed on a side portion of the main ejector plate 21, and a T-shaped block 221 is correspondingly formed on the side ejector plate 22, that is, the first connection structure is a T-shaped groove 211 formed on a side portion of the main ejector plate 21, and the second connection structure is a T-shaped block 221 formed on the side ejector plate 22, and the T-shaped block 221 is embedded in the T-shaped groove 211 so as to connect the side ejector plate 22 with the main ejector plate 21. Of course, the present utility model is not limited thereto, and in other embodiments, other reasonable matching structures may be adopted for the first connection structure and the second connection structure.
In the preferred embodiment of the present utility model, the mold frame 10 further comprises a supporting block 17, the supporting block 17 is disposed between the bottom plate 15 and the lower mold plate 13, the supporting block 17 is fixed on the bottom plate 15, the supporting block 17 passes through the main ejector plate 21, and the top surface of the supporting block 17 abuts against the bottom surface of the lower mold plate 13. The support blocks 17 can increase the structural strength of the mold frame 10.
In the preferred embodiment of the present utility model, the mold frame 10 further includes a guide post 18 and a guide sleeve 19, the guide post 18 is disposed on the cushion block 14 and is disposed in the upper mold plate 12 and the lower mold plate 13 in a penetrating manner, and the guide sleeve 19 is disposed outside the guide post 18. The guide post 18 is matched with the guide sleeve 19 to ensure the stability of the upper die plate 12 and the lower die plate 13 during die assembly and die opening.
In the preferred embodiment of the present utility model, the side ejector plates 22 are disposed on both sides of the main ejector plate 21, and the side ejector plate 22 on each side is provided with a side ejector 24. Of course, the present utility model is not limited thereto, and in other embodiments, the positions and the number of the side ejector plates 22 can be set reasonably according to actual requirements.
In the preferred embodiment of the present utility model, the plurality of main ejector pins 23 are provided, and the plurality of main ejector pins 23 are disposed in parallel with each other on the main ejector plate 21. In application, the arrangement of the positions of the plurality of main ejector pins 23 can be reasonably set according to actual requirements, which is not limited by the present utility model.
In the preferred embodiment of the utility model, gaps are arranged between the main ejector pin 23 and the lower die plate 13 and between the side ejector pin 24 and the lower die plate 13, so that friction between the main ejector pin 23, the side ejector pin 24 and the lower die plate 13 during ejection and demolding can be reduced, and the service life of the injection mold can be prolonged.
Referring to fig. 3 and 4 in combination, fig. 3 is a schematic structural diagram of an injection mold employing an enlarged ejector plate according to another embodiment of the present utility model, and fig. 4 is an enlarged structural diagram of a portion B in fig. 3. The injection mold adopting the enlarged ejector plate in the other embodiment of the utility model comprises a mold frame 10 and an ejection mechanism 20, wherein the mold frame 10 comprises a top plate 11, an upper mold plate 12, a lower mold plate 13, a cushion block 14 and a bottom plate 15 which are sequentially arranged along a first direction X, and an injection molding cavity 16 is formed between the upper mold plate 11 and the lower mold plate 12. The ejection mechanism 20 comprises a main ejector plate 21, a side ejector plate 22, a main ejector pin 23 and a side ejector pin 24, wherein the main ejector plate 21 is arranged between the bottom plate 15 and the lower die plate 13, the main ejector pin 23 is arranged on the main ejector plate 21 along a first direction X, and the upper end of the main ejector pin 23 passes through the lower die plate 13 to the injection molding cavity 16. The side thimble plate 22 is arranged at the side part of the main thimble plate 21, the side thimble plate 22 is connected with the main thimble plate 21, the side thimble 24 is arranged on the side thimble plate 22 along the first direction X, and the upper end of the side thimble 24 passes through the lower die plate 13 to the injection molding cavity 16. Wherein, the side of the main ejector plate 21 is provided with a T-shaped block 212, the side ejector plate 22 is correspondingly provided with a T-shaped groove 222, and the T-shaped block 212 is embedded into the T-shaped groove 222 to connect the side ejector plate 22 with the main ejector plate 21. Of course, the present utility model is not limited thereto, and in other embodiments, other reasonable connection structures of the side thimble plates 22 and the main thimble plate 21 may be adopted.
Further, the ejection mechanism 20 further includes an insert pin 25, the insert pin 25 is disposed on the bottom plate 15 along the first direction X, and an upper end of the insert pin 25 passes through the side ejector plate 22 and the upper mold plate 13 to the injection molding cavity 15, so as to achieve a desired molding of the plastic part. The clearance between the insert pin 25 and the side ejector plate 22 can be set to reduce friction and prolong the service life of the injection mold.
In summary, the present utility model provides an injection mold with an enlarged ejector plate, in which a side ejector plate is added to the side of the main ejector plate, so that the structure of the ejector mechanism is matched with the size of the plastic part, thereby meeting the production requirement and controlling the production cost.
The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (10)
1. An injection mold adopting an enlarged ejector plate, which is characterized in that: the injection molding die comprises a die carrier and an ejection mechanism, wherein the die carrier comprises a top plate, an upper die plate, a lower die plate, a cushion block and a bottom plate which are sequentially arranged along a first direction, and an injection molding cavity is formed between the upper die plate and the lower die plate; the ejection mechanism comprises a main ejector plate, a side ejector plate, a main ejector pin and a side ejector pin, wherein the main ejector plate is arranged between the bottom plate and the lower die plate, the main ejector pin is arranged on the main ejector plate along the first direction, and the upper end of the main ejector pin passes through the lower die plate to the injection molding cavity; the side ejector pin plate is arranged on the side part of the main ejector pin plate, the side ejector pin plate is connected with the main ejector pin plate, the side ejector pins are arranged on the side ejector pin plate along the first direction, and the upper ends of the side ejector pins penetrate through the lower die plate to the injection molding cavity.
2. The injection mold with enlarged ejector plate of claim 1, wherein: the side of main thimble board is equipped with first connection structure, be equipped with the second connection structure on the side thimble board corresponds, the second connection structure with first connection structure phase-match, in order to with the side thimble board with main thimble board is connected.
3. The injection mold with enlarged ejector plate of claim 2, wherein: the side of main thimble board is equipped with T type groove, be equipped with T type piece on the side thimble board corresponds, T type piece embedding in the T type inslot, in order to with the side thimble board with main thimble board is connected.
4. The injection mold with enlarged ejector plate of claim 2, wherein: the side of main thimble board is equipped with T type piece, be equipped with T type groove on the side thimble board corresponds, T type piece embedding in the T type inslot, in order to with the side thimble board with main thimble board is connected.
5. An injection mold employing an enlarged ejector plate as in any one of claims 1-4, wherein: the ejection mechanism further comprises an insert pin, the insert pin is arranged on the bottom plate along the first direction, and the upper end of the insert pin penetrates through the side ejector plate and the upper die plate to the injection molding cavity.
6. An injection mold employing an enlarged ejector plate as in any one of claims 1-4, wherein: the die carrier also comprises a supporting block, wherein the supporting block is arranged between the bottom plate and the lower die plate, the supporting block is fixed on the bottom plate, the supporting block penetrates through the main ejector pin plate, and the top surface of the supporting block is propped against the bottom surface of the lower die plate.
7. An injection mold employing an enlarged ejector plate as in any one of claims 1-4, wherein: the die carrier also comprises a guide post and a guide sleeve, wherein the guide post is arranged on the cushion block and penetrates through the upper die plate and the lower die plate, and the guide sleeve is arranged outside the guide post.
8. An injection mold employing an enlarged ejector plate as in any one of claims 1-4, wherein: the side ejector plates are arranged on two sides of the main ejector plate, and the side ejector plate on each side is provided with the side ejector pins.
9. An injection mold employing an enlarged ejector plate as in any one of claims 1-4, wherein: the main ejector pins are arranged in parallel with each other on the main ejector pin plate.
10. An injection mold employing an enlarged ejector plate as in any one of claims 1-4, wherein: gaps are arranged between the main thimble and the lower die plate and between the side thimble and the lower die plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223510288.6U CN221315034U (en) | 2022-12-28 | 2022-12-28 | Injection mold with enlarged ejector plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223510288.6U CN221315034U (en) | 2022-12-28 | 2022-12-28 | Injection mold with enlarged ejector plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221315034U true CN221315034U (en) | 2024-07-12 |
Family
ID=91785308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223510288.6U Active CN221315034U (en) | 2022-12-28 | 2022-12-28 | Injection mold with enlarged ejector plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221315034U (en) |
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2022
- 2022-12-28 CN CN202223510288.6U patent/CN221315034U/en active Active
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