CN217862597U - Slide structure in injection mold - Google Patents
Slide structure in injection mold Download PDFInfo
- Publication number
- CN217862597U CN217862597U CN202220015517.8U CN202220015517U CN217862597U CN 217862597 U CN217862597 U CN 217862597U CN 202220015517 U CN202220015517 U CN 202220015517U CN 217862597 U CN217862597 U CN 217862597U
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- slider
- shovel base
- sliding block
- injection mold
- needle plate
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Abstract
The utility model discloses a capable bit architecture among injection mold, including the shovel base, oblique guide pillar, first elastic component, the second elastic component, slider and the faller that has the thimble, be equipped with on the slider with oblique guide pillar complex guide hole, the shovel base is located one side of slider, the slider have with shovel base complex inclined plane, the faller slides and locates in the slider, the one end that the faller was kept away from to the thimble stretches out from the one end that the shovel base was kept away from to the slider, be equipped with the trench on the shovel base, the trench is including the vertical section that links to each other and towards keeping away from the slant section that the slider direction extends, be equipped with on the faller with trench complex time delay push rod, first elastic component connection faller slides with the slider in order about the direction that the faller is close to the shovel base, second elastic component connection slider is in order about the slider towards the direction removal that is close to the shovel base. The slide block and the ejector pin are not synchronous in returning when the mold is opened, so that the product is separated from the slide block and the ejector pin, the risk of pulling the side edge of the product is greatly reduced, and the yield of the product is effectively improved.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to slide structure among injection mold.
Background
During demoulding, because in the slide structure of the injection mold in the prior art, the slide block and the ejector pin are synchronously retracted, the phenomenon that the side edge of a product is pulled sometimes occurs, and the reject ratio of the product is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the line position structure in the injection mold can improve the product yield.
In order to solve the technical problem, the utility model discloses a technical scheme be: a slide structure in an injection mold comprises a shovel base, an inclined guide pillar, a first elastic piece, a second elastic piece, a sliding block and a needle plate with an ejector pin, wherein a guide hole matched with the inclined guide pillar is formed in the sliding block, the shovel base is located on one side of the sliding block, the sliding block is provided with an inclined surface matched with the shovel base, the needle plate is arranged in the sliding block in a sliding mode, one end, far away from the needle plate, of the ejector pin extends out from one end, far away from the shovel base, of the sliding block, a groove is formed in the shovel base and comprises a vertical section and an inclined section, the vertical section is connected with the groove, the inclined section extends towards the direction far away from the sliding block, a time delay push rod matched with the groove is arranged on the needle plate, the first elastic piece is connected with the needle plate and the sliding block to drive the needle plate to slide towards the direction close to the shovel base, and the second elastic piece is connected with the sliding block to drive the sliding block to move towards the direction close to the shovel base.
Furthermore, an accommodating groove is formed in the sliding block, the needle plate is arranged in the accommodating groove in a sliding mode, a first perforation matched with the ejector pin and a second perforation matched with the delay push rod are further formed in the sliding block, the first perforation is communicated with the end face, away from the shovel base, of the sliding block and the accommodating groove, and the second perforation is communicated with the inclined face and the accommodating groove.
Furthermore, one end of the delay push rod, which is far away from the needle plate, is provided with a guide surface.
Further, the vertical section and the oblique section are transited through an oblique section or an arc section.
Further, the first elastic member is a spring or a silica gel pad.
Furthermore, a first positioning structure for positioning the first elastic piece is arranged on the sliding block.
Further, the second elastic member is a spring or a silica gel pad.
Furthermore, a second positioning structure for positioning the second elastic piece is arranged on the sliding block.
Further, the inclined guide post is arranged close to the shovel base.
The beneficial effects of the utility model reside in that: the slide structure in the injection mold realizes asynchronous backspacing of the slide block and the ejector pin when the mold is opened, so that a product is separated from the slide block firstly and then separated from the ejector pin, the risk that the side edge of the product is pulled is greatly reduced, and the yield of the product is effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a slide structure in an injection mold according to a first embodiment of the present invention (when a product is demolded);
fig. 2 is a schematic structural diagram of a slide structure in an injection mold according to a first embodiment of the present invention (when a product is half-demolded);
fig. 3 is a schematic structural diagram of a slide structure in an injection mold according to a first embodiment of the present invention (when the product is completely removed from the mold).
Description of reference numerals:
1. a shovel base; 11. a vertical section; 12. an oblique section; 13. an inclined section;
2. an inclined guide post;
3. a first elastic member;
4. a second elastic member;
5. a slider; 51. a guide hole; 52. a bevel; 53. accommodating grooves; 54. a first positioning structure; 55. a second positioning structure;
6. a needle plate; 61. a thimble; 62. a time-delay push rod; 621. a guide surface;
10. and (5) producing the product.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a slide structure in an injection mold includes a shovel base 1, an inclined guide post 2, a first elastic member 3, a second elastic member 4, a slider 5, and a needle plate 6 having an ejector pin 61, where the slider 5 is provided with a guide hole 51 engaged with the inclined guide post 2, the shovel base 1 is located on one side of the slider 5, the slider 5 is provided with an inclined surface 52 engaged with the shovel base 1, the needle plate 6 is slidably disposed in the slider 5, one end of the ejector pin 61 away from the needle plate 6 extends from one end of the slider 5 away from the shovel base 1, the shovel base 1 is provided with a slot, the slot includes a vertical section 11 connected to the slot and an inclined section 12 extending away from the slider 5, the needle plate 6 is provided with a delay push rod 62 engaged with the slot, the first elastic member 3 connects the needle plate 6 to the slider 5 to drive the needle plate 6 to slide in a direction close to the shovel base 1, and the second elastic member 4 connects the slider 5 to drive the slider to move in a direction close to the shovel base 1.
From the above description, the beneficial effects of the present invention are: when the mold is opened, the slide block 5 and the ejector pin 61 are not synchronously retracted, so that the product 10 is separated from the slide block 5 and then separated from the ejector pin 61, the risk that the side edge of the product 10 is pulled is greatly reduced, and the yield of the product 10 is effectively improved.
Furthermore, an accommodating groove 53 is formed in the sliding block 5, the needle plate 6 is slidably arranged in the accommodating groove 53, a first through hole matched with the ejector pin 61 and a second through hole matched with the delay push rod 62 are further formed in the sliding block 5, the first through hole is communicated with the end face, away from the shovel base 1, of the sliding block 5 and the accommodating groove 53, and the second through hole is communicated with the inclined face 52 and the accommodating groove 53.
From the above description, the slide structure in the injection mold is simple in structure and easy to process and manufacture.
Further, one end of the delay push rod 62 away from the needle plate 6 is provided with a guide surface 621.
As can be seen from the above description, the guide surface 621 is provided to enable the time-delay push rod 62 to better engage with the slot.
Further, the vertical section 11 and the oblique section 12 are transited by an inclined section 13 or an arc section.
As can be seen from the above description, the delay rod 62 can smoothly transit between the vertical section 11 and the diagonal section 12.
Further, the first elastic member 3 is a spring or a silica gel pad.
Further, a first positioning structure 54 for positioning the first elastic element 3 is disposed on the sliding block 5.
Further, the second elastic member 4 is a spring or a silica gel pad.
Further, a second positioning structure 55 for positioning the second elastic element 4 is disposed on the sliding block 5.
Further, the inclined guide post 2 is arranged close to the shovel base 1.
Example one
Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: the slide structure in the injection mold can be applied to the injection mold to injection mold some products 10 with complex structures.
The slide structure in the injection mold comprises a shovel base 1, an inclined guide post 2, a first elastic part 3, a second elastic part 4, a slider 5 and a needle plate 6 with an ejector pin 61, wherein a guide hole 51 matched with the inclined guide post 2 is formed in the slider 5, the shovel base 1 is positioned on one side of the slider 5, the slider 5 is provided with an inclined surface 52 matched with the shovel base 1, the inclined guide post 2 is arranged close to the shovel base 1, the needle plate 6 is arranged in the slider 5 in a sliding manner, one end, far away from the needle plate 6, of the ejector pin 61 extends out from one end, far away from the shovel base 1, of the slider 5, a slot is formed in the shovel base 1 and comprises a vertical section 11 and an inclined section 12, the inclined section extends in the direction far away from the slider 5, a time delay push rod 62 matched with the slot is arranged on the needle plate 6, the first elastic part 3 is connected with the needle plate 6 and the slider 5 to drive the needle plate 6 to slide in the direction close to the shovel base 1, and the second elastic part 4 is connected with the slider 5 to drive the slider to move in the direction close to the shovel base 1.
It is easy to understand that the shovel base 1 and the inclined guide post 2 are respectively fixed on the upper die of the injection mold, and the slider 5 is slidably arranged on the lower die of the injection mold. When the upper die and the lower die of the injection mold are separated, the inclined guide post 2 and the shovel base 1 can provide guidance for the sliding of the slider 5, so that the product 10 can be smoothly demolded.
Specifically, an accommodating groove 53 is formed in the sliding block 5, the needle plate 6 is slidably arranged in the accommodating groove 53, a first through hole matched with the ejector pin 61 and a second through hole matched with the delay push rod 62 are further formed in the sliding block 5, the first through hole is communicated with the end face, away from the shovel base 1, of the sliding block 5 and the accommodating groove 53, and the second through hole is communicated with the inclined face 52 and the accommodating groove 53. In order to facilitate the processing and manufacturing of the slide structure, the sliding block 5 includes a plurality of sub-blocks, the sub-blocks in a plurality are connected and assembled to form the sliding block 5, and in this embodiment, the sliding block 5 is assembled by three sub-blocks. This is a conventional technique in the art and will not be described herein.
Referring to fig. 1 and fig. 3, preferably, one end of the delay push rod 62 away from the needle plate 6 is provided with a guide surface 621; the vertical section 11 and the oblique section 12 are transited by an oblique section 13, however, in other embodiments, the vertical section 11 and the oblique section 12 are transited by an arc section.
As shown in fig. 1, optionally, the first elastic member 3 is a spring or a silica gel pad, and the slider 5 is provided with a first positioning structure 54 for positioning the first elastic member 3. In this embodiment, the first elastic member 3 is a spring, the first positioning structure 54 is a positioning column, and one end of the first elastic member 3 is sleeved on the positioning column.
The second elastic member 4 is a spring or a silica gel pad, and the sliding block 5 is provided with a second positioning structure 55 for positioning the second elastic member 4. In this embodiment, the second elastic member 4 is a spring, the second positioning structure 55 is a positioning groove, one end of the second elastic member 4 is accommodated in the positioning groove, and the other end of the second elastic member 4 is connected to the lower mold of the injection mold.
Next, the present invention will be further described with reference to the substance produced by the inventors.
As shown in fig. 1, at this time, after the injection molding of the product 10 is completed, before the demolding, one end of the delay push rod 62, which is far away from the needle plate 6, is located in the vertical section 11, and the distance from the intersection point of the central axis of the delay push rod 62 and the inclined surface 52 to the wall surface of the vertical section 11, which is far away from the needle plate 6, is 4mm; the ascending distance of the shovel base 1 is 0; the distance between the needle plate 6 and the wall surface of the accommodating groove 53 far away from the shovel base 1 is 5mm; the distance from the bottom of the end surface of the slide block 5 far away from the shovel base 1 to the central axis of the product 10 is 7.19mm.
As shown in fig. 2, when the product 10 is not completely demolded, one end of the delay push rod 62 far away from the needle plate 6 abuts against the inclined section 13, and the distance from the intersection point of the central axis of the delay push rod 62 and the inclined surface 52 to the wall surface of the vertical section 11 far away from the needle plate 6 is 0; the ascending distance of the shovel base 1 is 10.99mm; the distance between the needle plate 6 and the wall surface of the accommodating groove 53 far away from the shovel base 1 is 1mm; the distance from the bottom of the end surface of the sliding block 5 far away from the shovel base 1 to the central axis of the product 10 is 11.19mm; the thimble 61 protrudes 4mm from the end surface of the shovel base 1 with respect to the slider 5, and at this time, the product 10 is completely separated from the slider 5 without being separated from the thimble 61. In the process, the thimble 61 is stationary, the slide block 5 is movable, and the distance between the thimble 61 and the wall surface of the accommodating groove 53 away from the shovel base 1 is reduced.
As shown in fig. 3, when the product 10 is completely demolded, the needle plate 6 is reset by the first elastic member 3, and the second elastic member 4 is not pressed or is pressed only by a small amount.
To sum up, the utility model provides a slide structure among injection mold has realized that slider and thimble are asynchronous to roll back when the die sinking for the product separates with the slider earlier, separates with the thimble again, greatly reduced the risk that the product side was strained, has improved the yield of product effectively.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. Line bit architecture among injection mold, its characterized in that: the needle plate comprises a shovel base, an inclined guide post, a first elastic piece, a second elastic piece, a sliding block and a needle plate with an ejector pin, wherein a guide hole matched with the inclined guide post is formed in the sliding block, the shovel base is located on one side of the sliding block, the sliding block is provided with an inclined surface matched with the shovel base, the needle plate is arranged in the sliding block in a sliding mode, one end, far away from the needle plate, of the ejector pin extends out from one end, far away from the shovel base, of the sliding block, a groove position is formed in the shovel base and comprises a vertical section and an inclined section, the vertical section is connected with the groove position, the inclined section extends towards the direction far away from the sliding block, a time delay push rod matched with the groove position is arranged on the needle plate, the first elastic piece is connected with the needle plate to drive the needle plate to slide towards the direction close to the shovel base, and the second elastic piece is connected with the sliding block to drive the sliding block to move towards the direction close to the shovel base.
2. The slide structure in an injection mold according to claim 1, wherein: be equipped with the holding tank on the slider, the faller slides and locates in the holding tank, still be equipped with on the slider with thimble complex first perforation and with delay push rod complex second perforation, first perforation intercommunication the slider is kept away from the terminal surface of shovel base with the holding tank, the second perforation intercommunication the inclined plane with the holding tank.
3. The slide structure in an injection mold according to claim 1, wherein: and one end of the delay push rod, which is far away from the needle plate, is provided with a guide surface.
4. The slide structure in an injection mold according to claim 1, wherein: the vertical section and the oblique section are transited through an oblique section or an arc section.
5. The slide structure in an injection mold according to claim 1, wherein: the first elastic piece is a spring or a silica gel pad.
6. The slide structure in an injection mold according to claim 1, wherein: the sliding block is provided with a first positioning structure used for positioning the first elastic piece.
7. The slide structure in an injection mold according to claim 1, wherein: the second elastic piece is a spring or a silica gel pad.
8. The slide structure in an injection mold according to claim 1, wherein: and a second positioning structure for positioning the second elastic piece is arranged on the sliding block.
9. The slide structure in an injection mold according to claim 1, wherein: the inclined guide post is arranged close to the shovel base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220015517.8U CN217862597U (en) | 2022-01-04 | 2022-01-04 | Slide structure in injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220015517.8U CN217862597U (en) | 2022-01-04 | 2022-01-04 | Slide structure in injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217862597U true CN217862597U (en) | 2022-11-22 |
Family
ID=84048794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220015517.8U Active CN217862597U (en) | 2022-01-04 | 2022-01-04 | Slide structure in injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217862597U (en) |
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2022
- 2022-01-04 CN CN202220015517.8U patent/CN217862597U/en active Active
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