CN218399270U - Novel rear mold core pulling structure - Google Patents
Novel rear mold core pulling structure Download PDFInfo
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- CN218399270U CN218399270U CN202221691245.XU CN202221691245U CN218399270U CN 218399270 U CN218399270 U CN 218399270U CN 202221691245 U CN202221691245 U CN 202221691245U CN 218399270 U CN218399270 U CN 218399270U
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Abstract
The utility model discloses a novel back mould structure of loosing core, including the movable mould board, fold in proper order on the movable mould board and be equipped with first mounting panel, second mounting panel and fixed die plate, have the product between first mounting panel and the second mounting panel and hold the chamber, the core of loosing of the first hole site that is used for the shaping product that is provided with of activity from top to bottom on the first mounting panel, the second mounting panel is located the product and holds the ejector pin subassembly that the intracavity is provided with the second hole site that is used for the shaping product, the product holds the intracavity and still is provided with the linkage subassembly that is used for synchronous ejector pin subassembly motion in order to drive the core of loosing motion. The novel rear die core pulling structure can effectively solve the problem that a long deep hole with a buckle structure of a product part structure is difficult to demould; specifically, the ejector rod assembly and the core-pulling body are in linkage design, so that the ejector rod assembly is firstly separated from a product, and then the core-pulling body is subjected to demolding, the product cannot be damaged by pulling, the product quality is ensured, and the injection molding efficiency is effectively improved.
Description
Technical Field
The utility model relates to a structure technical field of loosing core especially relates to a novel back mould structure of loosing core.
Background
The existing developed shifter panel product has a long deep hole and a buckled opponent part mounting structure, and the product also relates to other complex structures, such as a radial buckling structure at the position of the long deep hole, so that a slide block and a special ejection mechanism are required to be arranged in the conventional structural die sinking process, and the existing common structure on the market can not be subjected to die stripping, so that the forming structure needs to be redesigned, and a structure capable of meeting the surface quality needs to be designed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model aims to provide a novel back mould structure of loosing core can guarantee after the shaping that ejector pin subassembly breaks away from the product with the body of loosing core together to can not strain the product, guarantee product quality.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides a novel back mould structure of loosing core, includes the movable mould board, it is equipped with first mounting panel, second mounting panel and fixed die plate to fold in proper order on the movable mould board, first mounting panel with the product has between the second mounting panel and holds the chamber, the body of loosing core that is used for the first hole site of shaping product is provided with of activity from top to bottom on the first mounting panel, the second mounting panel is located the product holds the ejector pin subassembly that the intracavity was provided with the second hole site that is used for the shaping product, the product holds the intracavity and still is provided with and is used for the synchronization the ejector pin subassembly motion is with the drive the linkage subassembly of the motion of the body of loosing core.
Further, the ejector pin subassembly include two activities set up in the product holds the slider fixed block of intracavity, two the opposite side of slider fixed block is provided with the slider ejector pin that is used for the second hole site of shaping product respectively, the fixed two guide bar subassemblies that are provided with on the second mounting panel, two guide bar subassemblies are following when the second mounting panel upward movement, can the one-to-one drive two slider fixed block toward opposite direction horizontal migration.
Further, the guide rod component comprises a guide rod fixing block fixedly arranged on the second mounting plate, a guide rod extending into the slider fixing block is fixedly arranged on the guide rod fixing block, the guide rod is connected with the slider fixing block in a sliding mode and is obliquely distributed in the slider fixing block, and when the second mounting plate moves upwards, the guide rod provides acting force in the horizontal direction of the slider fixing block to drive the slider fixing block to move horizontally.
Furthermore, the linkage component is movably arranged on the core-pulling sliding block in the product accommodating cavity, one end of the core-pulling sliding block is fixedly connected with the sliding block fixing block, and the other end of the core-pulling sliding block is connected with the core-pulling body in a sliding mode through an inclined plane and is used for driving the core-pulling body to move up and down.
Furthermore, an inclined groove is formed in the core pulling sliding block, the inclined surface is located at the bottom of the inclined groove, guide blocks are arranged on the inner side walls of the inclined groove, guide grooves matched with the guide blocks are formed in the two sides of the core pulling body respectively, and a limit stop is further arranged at the low end of the inclined groove.
Further, the movable mould board is sequentially overlapped with a thimble base plate and a thimble panel, the thimble base plate and the thimble panel are located between the movable mould board and the first mounting plate, and the movable mould board is further provided with a square bar for determining the length of the thimble stroke.
Furthermore, a hot runner plate is arranged between the second mounting plate and the fixed die plate.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the novel rear die core pulling structure can effectively solve the problem that a long deep hole with a buckle structure of a product part structure is difficult to demould;
specifically, the ejector rod assembly and the core-pulling body are in linkage design, so that the ejector rod assembly is firstly separated from a product, and then the core-pulling body is subjected to demolding, the product cannot be damaged by pulling, the product quality is ensured, and the injection molding efficiency is effectively improved.
Drawings
Fig. 1 is a schematic cross-sectional view of the novel rear mold core-pulling structure of the present invention;
FIG. 2 is a schematic view of a portion of the structure of FIG. 1;
fig. 3 is a schematic structural diagram of the product in fig. 1 and 2.
In the figure: 10. moving the template; 20. a first mounting plate; 30. a second mounting plate; 40. fixing a template; 50. producing a product; 60. drawing the core body; 71. a sliding block fixing block; 72. a slide block ejector rod; 731. a guide rod fixing block; 732. a guide bar; 81. a core-pulling slide block; 811. a chute; 812. a guide block; 90. a thimble base plate; 100. a thimble panel; 110. square gold; 120. a hot runner plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
1-3, including the movable mould board 10, it is equipped with first mounting panel 20 to stack in proper order on the movable mould board 10, second mounting panel 30, hot runner plate 120 and fixed die plate 40, it holds the chamber to have the product between first mounting panel 20 and the second mounting panel 30, what can move about from top to bottom on the first mounting panel 20 is provided with the body 60 of loosing core that is used for the first hole site of shaping product 50, second mounting panel 30 is located the product and holds the ejector pin subassembly that the intracavity was provided with the second hole site that is used for shaping product 50, still be provided with the linkage subassembly that is used for synchronous ejector pin subassembly motion in order to drive the body 60 motion of loosing core in the product holds the intracavity. Through the ejector rod assembly and the core-pulling body 60 linkage design, the ejector rod assembly is firstly separated from the product 50, and then the core-pulling body 60 is used for demolding, so that the product 50 cannot be damaged by pulling, the quality of the product 50 is ensured, and the injection molding efficiency is effectively improved.
On the basis of the structure, the ejector rod assembly comprises two slider fixing blocks 71 movably arranged in the product accommodating cavity, the opposite sides of the two slider fixing blocks 71 are respectively provided with a slider ejector rod 72 for forming a second hole position of a product, the second mounting plate 30 is fixedly provided with two guide rod assemblies, the two guide rod assemblies can drive the two slider fixing blocks 71 to horizontally move in opposite directions in a one-to-one correspondence manner when moving upwards along with the second mounting plate 30, as a preferred embodiment, the guide rod assembly comprises a guide rod fixing block 731 fixedly arranged on the second mounting plate 30, a guide rod 732 extending into the slider fixing block 71 is fixedly arranged on the guide rod fixing block 731, the guide rod 732 is connected with the slider fixing block 71 in a sliding manner and is obliquely distributed in the slider fixing block 71, and when the second mounting plate 30 moves upwards, the guide rod 732 applies a horizontal acting force to the slider fixing block 71 to drive the slider fixing block 71 to horizontally move. Thus, the two slide block fixing blocks 71 horizontally move in opposite directions under the action of the two guide rods 732, and the two slide block push rods 72 are all pulled out of the product 50 along with the mold opening.
On the basis of the structure, the linkage component is a core pulling slider 81 movably arranged in the product accommodating cavity, one end of the core pulling slider 81 is fixedly connected with the slider fixing block 71, the other end of the core pulling slider 81 is connected with the core pulling body 60 in a sliding mode through an inclined plane and used for driving the core pulling body 60 to move up and down, as a preferred embodiment, an inclined groove 811 is formed in the core pulling slider 81, the inclined plane is located at the bottom of the inclined groove 811, guide blocks 812 are respectively arranged on the opposite inner side walls of the inclined groove 811, guide grooves matched with the guide blocks 812 are respectively formed in the two sides of the core pulling body 60, and a limit stop is further arranged at the lower end of the inclined groove 811.
On the basis of the above structure, the movable mold plate 10 is sequentially stacked with the ejector pin base plate 90 and the ejector pin panel 100, the ejector pin base plate 90 and the ejector pin panel 100 are located between the movable mold plate 10 and the first mounting plate 20, and the movable mold plate 10 is further provided with the square metal 110 for determining the length of the ejector pin stroke.
The mold closing state is as shown in fig. 1, after injection molding is completed, mold opening is performed, the mold is separated under the action of a machine platform, namely, the first mounting plate 20 and the second mounting plate 30 are separated, the two slider fixing blocks 71 horizontally move in opposite directions under the action of the two guide rods 732, the two slider ejector rods 72 are completely separated from the product 50 along with the mold opening, the core-pulling slider 81 is driven by one slider fixing block 71 to move rightwards, the core-pulling body 60 is driven by the core-pulling slider 81 to perform core pulling downwards to separate from the product 50, finally, the product 50 is completely ejected by the ejector pins after separating from the product 50, the whole mold opening motion is completed, and when mold closing is performed, the mold closing can be completed by resetting reversely.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel back mould structure of loosing core which characterized in that: including the movable mould board, it is equipped with first mounting panel, second mounting panel and fixed die plate to fold in proper order on the movable mould board, first mounting panel with the product has between the second mounting panel and holds the chamber, the body of loosing core that is used for the first hole site of shaping product that is provided with of activity from top to bottom on the first mounting panel, the second mounting panel is located the product holds the ejector pin subassembly that the intracavity was provided with the second hole site that is used for the shaping product, the product holds the intracavity and still is provided with and is used for the synchronization ejector pin subassembly motion is in order to drive the linkage subassembly of the body motion of loosing core.
2. The novel rear mold core pulling structure of claim 1, characterized in that: the ejector pin subassembly include two activities set up in the product holds the slider fixed block of intracavity, two the opposite side of slider fixed block is provided with the slider ejector pin that is used for the second hole site of shaping product respectively, the fixed two guide bar subassemblies that are provided with on the second mounting panel, two guide bar subassemblies are following during the second mounting panel upward movement, can the one-to-one drive two slider fixed block toward opposite direction horizontal migration.
3. The novel rear mold core pulling structure of claim 2, characterized in that: the guide rod subassembly including fixed set up in guide rod fixed block on the second mounting panel, the fixed guide rod that extends to on the guide rod fixed block in the slider fixed block that is provided with, the guide rod with slider fixed block sliding connection, and the slope distributes in the slider fixed block, during the second mounting panel upward movement, the guide rod gives slider fixed block horizontal direction's effort, in order to drive slider fixed block horizontal migration.
4. A novel rear mold core pulling structure according to claim 2 or 3, characterized in that: the linkage assembly is movably arranged in the core-pulling sliding block in the product accommodating cavity, one end of the core-pulling sliding block is fixedly connected with the sliding block fixing block, and the other end of the core-pulling sliding block is connected with the core-pulling body in a sliding mode through an inclined plane and used for driving the core-pulling body to move up and down.
5. The novel rear mold core pulling structure according to claim 4, characterized in that: the core pulling device is characterized in that the core pulling slide block is provided with an inclined groove, the inclined surface is located at the bottom of the inclined groove, the opposite inner side walls of the inclined groove are respectively provided with a guide block, two sides of the core pulling body are respectively provided with a guide groove matched with the guide blocks, and the lower end of the inclined groove is also provided with a limit stop.
6. The novel rear mold core pulling structure according to claim 1, characterized in that: the movable mould plate is sequentially overlapped with an ejector pin bottom plate and an ejector pin panel, the ejector pin bottom plate and the ejector pin panel are located between the movable mould plate and the first mounting plate, and square metal used for determining the length of an ejector pin stroke is further arranged on the movable mould plate.
7. The novel rear mold core pulling structure according to claim 1, characterized in that: and a hot runner plate is also arranged between the second mounting plate and the fixed template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221691245.XU CN218399270U (en) | 2022-06-30 | 2022-06-30 | Novel rear mold core pulling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221691245.XU CN218399270U (en) | 2022-06-30 | 2022-06-30 | Novel rear mold core pulling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218399270U true CN218399270U (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221691245.XU Active CN218399270U (en) | 2022-06-30 | 2022-06-30 | Novel rear mold core pulling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218399270U (en) |
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2022
- 2022-06-30 CN CN202221691245.XU patent/CN218399270U/en active Active
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