CN216609841U - Injection mold with improved glue inlet structure - Google Patents
Injection mold with improved glue inlet structure Download PDFInfo
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- CN216609841U CN216609841U CN202122625664.5U CN202122625664U CN216609841U CN 216609841 U CN216609841 U CN 216609841U CN 202122625664 U CN202122625664 U CN 202122625664U CN 216609841 U CN216609841 U CN 216609841U
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- glue inlet
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- groove
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Abstract
The utility model discloses an injection mold with an improved glue inlet structure, and relates to the field of molds. And from the side surface of the fourth position slide block to the bone potential position, the nozzle material in the glue inlet flow channel moves together with the fourth position slide block and then is ejected out, so that the condition that the appearance surface of the product has no offset printing is ensured.
Description
Technical Field
The utility model relates to the field of molds, in particular to an injection mold with an improved glue inlet structure.
Background
With the development of social economy, people have higher and higher requirements on the appearance of products, and the products not only have good quality, but also have beautiful appearance. The requirement on the appearance surface of some shells manufactured by injection molding of a mold is high, glue inlet point printing appears on the side surface of the shell due to injection molding, the glue inlet point printing needs to be removed by polishing and grinding in the follow-up process, the follow-up grinding workload is large, the difficulty is high, and the grinding process is easy to leave marks to influence the quality performance of the appearance surface of the shell.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an injection mold with an improved glue inlet structure, so as to solve the problems in the background art.
In order to realize the purpose, the utility model adopts the following technical scheme: an injection mold with an improved glue inlet structure comprises a mold core, wherein a main body cavity is arranged on the upper surface of the mold core, a first slide block, a second slide block, a third slide block and a fourth slide block are arranged on the periphery of the mold core, the first slide block, the second slide block, the third slide block and the fourth slide block are sequentially connected end to end, the first slide block, the second slide block, the third slide block, the fourth slide block and the mold core are enclosed to form a side wall cavity for forming the side wall of a product, a side wall forming groove is concavely arranged at the upper end of the side surface of the fourth slide block close to the mold core, a convex block is convexly arranged at the lower end of the side surface of the fourth slide block close to the mold core, a slot for embedding the convex block is formed in the side surface of the mold core, a first forming groove is concavely arranged on the convex block, and a second forming groove communicated with the main body cavity is concavely arranged on the inner wall of the slot, the injection molding device is characterized in that the first forming groove and the second forming groove are enclosed to form an injection molding cavity, the upper surface of the fourth line position sliding block is concavely provided with a glue inlet flow channel, the first forming groove is provided with a glue outlet hole communicated with the glue inlet flow channel, and the lower surface of the fourth line position sliding block is provided with an ejection mechanism. From the side surface of the fourth position slide block to the bone potential position, the nozzle material in the glue inlet flow channel moves together with the fourth position slide block and then is ejected out, so that the condition that no offset printing and no glue inlet point exist on the appearance surface of a product is ensured.
Further, advance gluey runner including advancing gluey portion and going out gluey passageway, it is connected with the play gluey passageway that communicates with a gluey mouth to advance gluey portion one end, it sets up to go out gluey passageway slope. The melt is stored in the glue inlet part, and the melt in the glue inlet part is guided to the injection molding cavity by the glue outlet channel.
Furthermore, an overflow well is concavely arranged on the upper surface of the fourth-position sliding block, and the glue inlet part is arranged in the middle of the bottom surface of the overflow well. A flash well dug at the glue opening is used for storing the molten material overflowing during the molten material injection process, so that the molten material is prevented from overflowing the glue opening.
Further, it includes circular recess and overflow groove to advance gluey portion, circular recess and play through overflow groove intercommunication between the gluey passageway. The melt flows into the glue outlet channel through the overflow groove after filling the circular groove.
Furthermore, the glue inlet flow channel further comprises a cooling material well, and a plurality of cooling material wells are concavely arranged at the bottom of the circular groove. The cold material generated during the injection of the molten material is stored through the cold material well, so that the cold material is prevented from entering a cavity to influence the quality of a plastic part.
Furthermore, the ejection mechanism comprises an ejector pin sleeve and a plurality of ejector pins, a plurality of sliding grooves are formed in the ejector pin sleeve, the extending direction of each sliding groove is parallel to the extending direction of the second forming groove, an ejector pin is slidably arranged in each sliding groove, and the ejector pins correspond to the cold material wells one by one. The ejector pin is driven by external power to ascend, and the cold charge well is ejected out through the ejector pin, so that the separation of the glue inlet part is realized.
Further, the thimble cover includes square main part, fixed block and screw, the protruding fixed block that is equipped with of square main part side integrated into one piece, the spout is seted up in square main part both ends, the fixed block passes through the screw detachable connection with fourth line position slider. The square main body is fixed through the matching of the fixing block and the screw.
Furthermore, protruding portions are convexly arranged on the upper surfaces of the square main body and the fixed block, and positioning grooves corresponding to the protruding portions are concavely arranged on the bottom surface of the fourth positioning slide block. The position of the thimble sleeve is positioned by matching the protruding part with the positioning groove.
Furthermore, cooling water channels are arranged inside the first row position sliding block, the second row position sliding block, the third row position sliding block and the fourth row position sliding block. The temperature of the first slide block, the second slide block, the third slide block and the fourth slide block is rapidly reduced through the cooling water channel, and the formed product is facilitated.
Furthermore, the edge parts of the upper surfaces of the first line slide block, the second line slide block, the third line slide block and the fourth line slide block, which are close to the mold core, are chamfered or rounded. The scratch of the appearance surface of the product caused by the scratch of the edge part when the product is taken out is avoided.
The utility model has the beneficial effects that: from the side surface of the fourth position slide block to the bone potential position, the nozzle material in the glue inlet flow channel moves together with the fourth position slide block and then is ejected out, so that the condition that no offset printing and no glue inlet point exist on the appearance surface of a product is ensured.
Drawings
The figures further illustrate the utility model, but the examples in the figures do not constitute any limitation of the utility model.
Fig. 1 is a top view of an injection mold with an improved glue inlet structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an injection mold with an improved glue inlet structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an injection mold with an improved glue inlet structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a glue inlet flow channel according to an embodiment of the present invention.
The labels in the figure are: the mold core comprises a mold core 1, a first slide block 2, a second slide block 3, a third slide block 4, a fourth slide block 5, an ejection mechanism 6, a bump 7 and a glue inlet flow channel 8.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, left, right" used herein generally refer to the upper, lower, left, and right directions as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.
As shown in fig. 1-4, an injection mold with an improved glue feeding structure according to an embodiment of the present invention includes a core 1, a main cavity is formed on an upper surface of the core 1, a first slide block 2, a second slide block 3, a third slide block 4, and a fourth slide block 5 are disposed around the core 1, the first slide block 2, the second slide block 3, the third slide block 4, and the fourth slide block 5 are sequentially connected end to end, the first slide block 2, the second slide block 3, the third slide block 4, the fourth slide block 5, and the core 1 enclose to form a sidewall cavity for forming a sidewall of a product, a sidewall forming groove is concavely formed on an upper end of a side surface of the fourth slide block 5 close to the core 1, a bump 7 is convexly formed on a lower end of a side surface of the fourth slide block 5 close to the core 1, a slot for the bump 7 to be inserted into is formed on a side surface of the core 1, the injection molding device is characterized in that a first forming groove is concavely arranged on the convex block 7, a second forming groove communicated with the main body cavity is concavely arranged on the inner wall of the slot, the first forming groove and the second forming groove are enclosed to form an injection molding cavity, a glue inlet flow passage 8 is concavely arranged on the upper surface of the fourth line position slide block 5, a glue outlet hole communicated with the glue inlet flow passage 8 is formed in the first forming groove, and an ejection mechanism 6 is arranged on the lower surface of the fourth line position slide block 5. From the side surface bone diving position of the fourth position slide block 5, the nozzle material in the glue inlet flow channel 8 moves together with the fourth position slide block 5 and then is ejected out, so that the condition that no offset printing and no glue inlet point exist on the appearance surface of a product is ensured.
The glue inlet flow channel 8 comprises a glue inlet portion and a glue outlet channel, one end of the glue inlet portion is connected with the glue outlet channel communicated with the glue outlet, and the glue outlet channel is obliquely arranged. The melt is stored in the glue inlet part, and the melt in the glue inlet part is guided to the injection molding cavity by the glue outlet channel.
The upper surface of the fourth line position slide block 5 is concavely provided with a flash well, and the glue inlet part is arranged in the middle of the bottom surface of the flash well. A flash well dug at the glue opening is used for storing the molten material overflowing during the molten material injection process, so that the molten material is prevented from overflowing the glue opening.
The glue inlet part comprises a circular groove and an overflow groove, and the circular groove is communicated with the glue outlet channel through the overflow groove. The melt flows into the glue outlet channel through the overflow groove after filling the circular groove.
The glue inlet flow passage 8 further comprises a cooling material well, and a plurality of cooling material wells are concavely arranged at the bottom of the circular groove. The cold material generated during the injection of the molten material is stored through the cold material well, so that the cold material is prevented from entering a cavity to influence the quality of a plastic part.
The ejection mechanism 6 comprises an ejector pin sleeve and a plurality of ejector pins, a plurality of sliding grooves are formed in the ejector pin sleeve, the extending direction of each sliding groove is parallel to the extending direction of the second forming groove, each sliding groove is internally provided with the ejector pins in a sliding mode, and the ejector pins correspond to the cold material wells one to one. The ejector pin is driven by external power to ascend, and the cold material well is ejected out through the ejector pin, so that the separation of the glue inlet part is realized.
The thimble cover includes square main part, fixed block and screw, the protruding fixed block that is equipped with of square main part side integrated into one piece, the spout is seted up in square main part both ends, the fixed block passes through the screw with fourth line position slider 5 and can dismantle the connection. The square main body is fixed through the matching of the fixing block and the screw.
The protruding portions are arranged on the upper surfaces of the square main body and the fixed block in a protruding mode, and the positioning grooves corresponding to the protruding portions are arranged on the bottom surface of the fourth position sliding block 5 in a recessed mode. The position of the thimble sleeve is positioned by matching the protruding part with the positioning groove.
And cooling water channels are arranged in the first row position sliding block 2, the second row position sliding block 3, the third row position sliding block 4 and the fourth row position sliding block 5. The temperature of the first slide block 2, the second slide block 3, the third slide block 4 and the fourth slide block 5 is rapidly reduced through the cooling water channel, and the product forming is facilitated.
And the upper surfaces of the first slide block 2, the second slide block 3, the third slide block 4 and the fourth slide block 5 close to the edge of the core 1 are chamfered or rounded. The scratch of the appearance surface of the product caused by the scratch of the edge part when the product is taken out is avoided.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an injection mold with improvement type advances glued structure which characterized in that: the injection molding die comprises a die core, wherein a main body cavity is arranged on the upper surface of the die core, a first slide block, a second slide block, a third slide block and a fourth slide block are arranged on the periphery of the die core, the first slide block, the second slide block, the third slide block and the fourth slide block are sequentially connected end to end, the first slide block, the second slide block, the third slide block, the fourth slide block and the die core are enclosed to form a side wall cavity for molding the side wall of a product, the upper end of the side surface of the fourth slide block close to the die core is concavely provided with a side wall molding groove, the lower end of the side surface of the fourth slide block close to the die core is convexly provided with a convex block, the side surface of the die core is provided with an insertion groove for embedding the convex block, a first molding groove is concavely arranged on the convex block, a second molding groove communicated with the main body cavity is concavely arranged on the inner wall of the insertion groove, and the first molding groove and the second molding groove are enclosed to form an injection molding cavity, the upper surface of the fourth line position sliding block is concavely provided with a glue inlet flow channel, the first forming groove is provided with a glue outlet hole communicated with the glue inlet flow channel, and the lower surface of the fourth line position sliding block is provided with an ejection mechanism.
2. The injection mold with improved glue inlet structure as claimed in claim 1, wherein: the glue inlet flow channel comprises a glue inlet portion and a glue outlet channel, one end of the glue inlet portion is connected with the glue outlet channel communicated with the glue outlet, and the glue outlet channel is obliquely arranged.
3. The injection mold with an improved glue inlet structure according to claim 2, characterized in that: the upper surface of the fourth line position slide block is concavely provided with a flash well, and the glue inlet part is arranged in the middle of the bottom surface of the flash well.
4. The injection mold with an improved glue inlet structure according to claim 2, characterized in that: the glue inlet part comprises a circular groove and an overflow groove, and the circular groove is communicated with the glue outlet channel through the overflow groove.
5. The injection mold with an improved glue inlet structure according to claim 4, wherein: the glue inlet flow channel further comprises a cooling material well, and a plurality of cooling material wells are concavely arranged at the bottom of the circular groove.
6. The injection mold with an improved glue inlet structure according to claim 1, wherein: the ejection mechanism comprises an ejector pin sleeve and a plurality of ejector pins, a plurality of sliding grooves are formed in the ejector pin sleeve, the extending direction of each sliding groove is parallel to the extending direction of the second forming groove, the ejector pins are slidably arranged in the sliding grooves, and the ejector pins correspond to the cold material wells one to one.
7. The injection mold with an improved glue inlet structure according to claim 6, wherein: the thimble cover includes square main part, fixed block and screw, the protruding fixed block that is equipped with of square main part side integrated into one piece, the fixed block passes through the screw detachable connection with fourth position slider.
8. The injection mold with an improved glue inlet structure as claimed in claim 7, wherein: the square main body and the upper surface of the fixed block are convexly provided with protruding parts, and the bottom surface of the fourth position sliding block is concavely provided with positioning grooves corresponding to the protruding parts.
9. The injection mold with an improved glue inlet structure according to claim 1, wherein: and cooling water channels are arranged in the first row position sliding block, the second row position sliding block, the third row position sliding block and the fourth row position sliding block.
10. The injection mold with an improved glue inlet structure according to claim 1, wherein: and the edge parts of the upper surfaces of the first line slide block, the second line slide block, the third line slide block and the fourth line slide block, which are close to the mold core, are chamfered or rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625664.5U CN216609841U (en) | 2021-10-29 | 2021-10-29 | Injection mold with improved glue inlet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625664.5U CN216609841U (en) | 2021-10-29 | 2021-10-29 | Injection mold with improved glue inlet structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216609841U true CN216609841U (en) | 2022-05-27 |
Family
ID=81693695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122625664.5U Active CN216609841U (en) | 2021-10-29 | 2021-10-29 | Injection mold with improved glue inlet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216609841U (en) |
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2021
- 2021-10-29 CN CN202122625664.5U patent/CN216609841U/en active Active
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