CN210651662U - Embedded optical mold core structure - Google Patents
Embedded optical mold core structure Download PDFInfo
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- CN210651662U CN210651662U CN201921428960.2U CN201921428960U CN210651662U CN 210651662 U CN210651662 U CN 210651662U CN 201921428960 U CN201921428960 U CN 201921428960U CN 210651662 U CN210651662 U CN 210651662U
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Abstract
The utility model provides an embedded optical mold core structure, which comprises a mold core main body, wherein an injection molding groove is arranged on the mold core main body, one end of the injection molding groove is connected with a feeding channel, two mounting embedding holes are also arranged on the mold core main body, two opposite sides of the injection molding groove are respectively communicated with the two mounting embedding holes, the two mounting embedding holes are centrosymmetric about the injection molding groove, and the length of the injection molding groove is smaller than that of the mounting embedding holes; the mounting is inlayed and is downthehole installed the chamber wall and inlay the post, and the chamber wall is inlayed the post and is hugged closely the matching with the lateral wall of mounting and inlaying the hole, moulds plastics and forms the die cavity between the recess and the chamber wall of both sides are inlayed the post. The utility model discloses carrying out structure man-hour to the recess of moulding plastics, dismantling the chamber wall and inlaying the vacancy mouth that the post formed and can supply the cutter motion, ensure that the cutter can carry out effective and accurate processing to the recess of moulding plastics, avoid forming the defect structure in the die cavity to effectively ensure injection moulding product's good quality, and the dismouting convenient operation of post is inlayed to the chamber wall.
Description
Technical Field
The utility model relates to an optics mould benevolence specifically discloses an inserted optics mould benevolence structure.
Background
The optical mold core is a mold core structure for an optical mold. The optical mold core is provided with a mold cavity structure, different optical products need to be provided with different mold cavity structures, and generally, the complex structures in the mold cavity are processed by turning, milling and the like. The optical product needs to have a high enough precision, and the optical mold core used for manufacturing the optical product also needs to have a high enough precision. In the prior art, when the structure between the bottom and the side wall of the mold cavity in the mold core is machined by a cutter, the movement of the cutter is limited by the side wall of the mold cavity, the machining difficulty of the mold cavity of the mold core is high, the cutter cannot effectively machine the structure at the edge, and therefore the precision of each structure of the mold cavity in the mold core obtained by machining is low, and the mold cavity in the mold core finally easily generates burrs and other defects in the injection molding process.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide an embedded optical mold core structure aiming at the problems in the prior art, the detachable cavity wall structures embedded on the two opposite sides of the mold cavity can effectively improve the accuracy of each structure, the injection molding product can be effectively ensured to have good quality, and the disassembly and assembly operation is convenient.
In order to solve the prior art problem, the utility model discloses an embedded optical mold core structure, which comprises a mold core main body, wherein an injection molding groove is arranged on the mold core main body, one end of the injection molding groove is connected with a feeding channel, two mounting embedding holes are also arranged on the mold core main body, two opposite sides of the injection molding groove are respectively communicated with the two mounting embedding holes, the two mounting embedding holes are centrosymmetric about the injection molding groove, and the length of the injection molding groove is smaller than that of the mounting embedding holes;
the mounting is inlayed and is downthehole installed the chamber wall and inlay the post, and the chamber wall is inlayed the post and is hugged closely the matching with the lateral wall of mounting and inlaying the hole, moulds plastics and forms the die cavity between the recess and the chamber wall of both sides are inlayed the post.
Furthermore, the maximum distance from the center of the injection molding groove to the groove wall is P, the distance from the center of the injection molding groove to the side wall of the mounting insert hole is Q, and P is not more than Q.
Further, the bottom of the injection molding groove is provided with at least one first thimble hole.
Further, the bottom of feed channel is equipped with the second thimble hole.
Furthermore, at least one side surface of at least one cavity wall embedded column is an inclined surface.
Furthermore, the bottom of mould benevolence main part is equipped with two spacing grooves, and two spacing grooves feed through with two installation inlaying holes respectively, and one side integrated into one piece of chamber wall inlay post has a spacing lug, and spacing lug is located the bottom of chamber wall inlay post, and spacing lug is installed in the spacing groove.
Furthermore, the limiting groove is located on one side, away from the injection molding groove, of the mounting embedding hole, and the limiting convex block is located on one side, away from the injection molding groove, of the cavity wall embedding column.
Further, the top of mould benevolence main part is equipped with two first air channels and two first air discharge ducts, all is equipped with the second air channel and the second air discharge duct of intercommunication on every chamber wall inlay post, and first air channel, second air discharge duct and first air discharge duct are connected gradually to the feed channel.
The utility model has the advantages that: the utility model discloses a supply an inserted optics mould benevolence structure, set up the die cavity into removable assecmbly's structure, carry out structure man-hour to the recess of moulding plastics, the vacancy mouth that the post formed is inlayed to the dismantlement chamber wall can supply the cutter motion, ensure that the cutter can carry out effective and accurate processing to the recess of moulding plastics, avoid forming the defect structure in the die cavity, thereby effectively ensure the good quality of injection moulding product, avoid injection moulding product to form the defect structure, and the chamber wall is inlayed the dismouting convenient operation of post, when operations such as needs maintenance, can effectively save dismouting operating time.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the exploded structure of the present invention.
Fig. 3 is an exploded schematic view of another view angle of the present invention.
Fig. 4 is a schematic top view of the present invention.
Fig. 5 is a schematic cross-sectional view taken along a-a' in fig. 4 according to the present invention.
Fig. 6 is a schematic cross-sectional view along a-a' in fig. 4 according to an embodiment of the present invention.
The reference signs are: the die core comprises a die core main body 10, an injection molding groove 11, a first thimble hole 111, a feeding channel 12, a second thimble hole 121, an installation embedding hole 13, a limiting groove 14, a first vent groove 15, a first exhaust groove 16, a cavity wall embedding column 20, a limiting lug 21, a second vent groove 22, a second exhaust groove 23 and a die cavity 30.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Refer to fig. 1 to 6.
The embodiment of the utility model discloses an embedded optical mold core structure, as shown in fig. 1-5, comprising a mold core main body 10, preferably, the mold core main body 10 is a cylinder structure, an injection molding groove 11 with a depth of h is arranged on the mold core main body 10, the injection molding groove 11 is connected with a feed channel 12 in a first direction, two mounting insert holes 13 are also arranged on the mold core main body 10, the mounting insert holes 13 penetrate through the upper and lower end faces of the mold core main body 10, the central connecting line of the two mounting insert holes 13 is vertical to the feed channel 12, two opposite sides of the injection molding groove 11 in a second direction are respectively communicated with the two mounting insert holes 13, the first direction is vertical to the second direction, namely, the parts of the injection molding groove 11 respectively connected with the two mounting insert holes 13 have no groove wall, the edges of each groove wall at two ends of the injection molding groove 11 are respectively provided with a draft angle, namely, the edges of the groove walls at two ends of the injection, preferably, the draft angle is 10-45 degrees, the two mounting insert holes 13 are centrosymmetric about the center point of the injection molding groove 11, the center points of the two mounting insert holes 13 and the injection molding groove 11 on the same horizontal plane are collinear, the length of the injection molding groove 11 is smaller than that of the mounting insert holes 13, the maximum length of the injection molding groove 11 in the first direction is long, and the maximum length of the mounting insert holes 13 in the first direction is long;
the cavity wall embedded column 20 is arranged in the mounting embedded hole 13, the cavity wall embedded column 20 is closely matched with the side wall of the mounting embedded hole 13, namely the shape and the size of the cavity wall embedded column 20 are matched with the shape and the size of the mounting embedded hole 13 equally, namely the cavity wall embedded column 20 can be just inserted into the mounting embedded hole 13, the cavity wall embedded column 20 in the mounting embedded hole 13 can completely block two gaps of the injection molding groove 11 connected with the mounting embedded hole 13 in the second direction, the height of the cavity wall embedded column 20 and the height of the mounting embedded hole 13 are both H, the height of the mounting embedded hole 13 is depth H > H, namely after the cavity wall embedded column 20 is inserted into the mounting embedded hole 13, the top surface of the cavity wall embedded column 20 is coplanar with the top surface of the mold core main body 10, the H > H can ensure that the injection molding groove 11 can not be contacted with the edge position of the side surface of the wall embedded column 20, and ensure that the two gaps of the injection molding groove 11 connected with the mounting embedded hole 13 in the, the side wall of the cavity wall embedded column 20 close to the injection molding groove 11 is of a plane structure, a mold cavity 30 is formed between the injection molding groove 11 and the cavity wall embedded columns 20 on the two sides, the mold cavity 30 is also called a mold cavity, the two mold cavities 30 can form a mold cavity for injection molding after being closed, the side wall of the cavity wall embedded column 20 close to the injection molding groove 11 forms two opposite cavity walls of the mold cavity 30, and the top surface of the cavity wall embedded column 20 is coplanar with the top surface of the mold core main body 10.
The utility model discloses can be used to produce the product that surface texture is complicated relatively, and the product has relative two faces all to be planar structure, go on the car to the die of moulding plastics, add man-hour such as milling, dismantle down two chamber walls and inlay post 20, the cutter can pass the position realization motion of two disappearance lateral walls of the recess 11 of moulding plastics, thereby it is limited to avoid the motion of cutter, can effectively improve the cutter to the machining precision of the recess 11 of moulding plastics, thereby can effectively improve the accuracy of each position structure of die cavity 30, can have the defect such as formation deckle edge when avoiding moulding plastics. When in use, the mounting inlaying holes 13 are respectively inserted into the two injection molding grooves 11.
The utility model discloses set up die cavity 30 into removable assecmbly's structure, carry out structure man-hour to the recess 11 of moulding plastics, the vacancy mouth that the post 20 formed is inlayed to the dismantlement chamber wall can supply the cutter motion, ensure that the cutter can carry out effective and accurate processing to the recess 11 of moulding plastics, form defective structure in the avoidance die cavity, thereby effectively ensure the good quality of injection moulding product, avoid injection moulding product to form defective structure, and the chamber wall inlays the dismouting convenient operation of post 20, when operations such as needs maintenance, can effectively save dismouting operating time.
In this embodiment, the maximum distance from the center of the injection molding groove 11 to the groove wall is P, the maximum distance from the center of the injection molding groove 11 to the sidewall of the mounting insert hole 13 is Q, and P is not more than Q, i.e., the maximum distance from the center of the injection molding groove 11 to the groove wall of the injection molding groove is not more than the distance from the center of the injection molding groove 11 to the sidewall of the mounting insert hole 13, which can effectively prevent the sidewall of the mounting groove hole 13 from obstructing the rotational processing of the injection molding groove 11 by the machine tool, preferably, P < Q.
In this embodiment, at least one first pin hole 111 is disposed at the bottom of the injection groove 11, the first pin hole 111 penetrates through the upper and lower end surfaces of the mold core main body 10, a pin is disposed in the first pin hole 111, and a plastic product molded in the mold cavity 30 can be directly ejected through the pin in the first pin hole 111.
In this embodiment, a second thimble hole 121 is disposed at the bottom of the feeding channel 12, the second thimble hole 121 penetrates through the upper and lower end surfaces of the mold core main body 10, a thimble is disposed in the second thimble hole 121, and the thimble in the second thimble hole 121 can eject the plastic sprue material formed in the feeding channel 12.
In this embodiment, as shown in fig. 6, the cavity wall insert pillar 20 is a quadrangular prism whose top surface and bottom surface are parallel, the shape of the mounting insert hole 13 matches the shape of the cavity wall insert pillar 20, at least one side surface of at least one cavity wall insert pillar 20 is an inclined surface, preferably, one side of the cavity wall insert pillar 20 away from the limiting projection 21 connected thereto is an inclined surface, the inclined surface of the cavity wall insert pillar 20 is inclined from top to bottom away from the limiting projection 21 connected thereto, that is, the inclined surface of the cavity wall insert pillar 20 is inclined from top to bottom toward the injection molding groove 11, and the position of the cavity wall insert pillar 20 in the mounting insert hole 13 can be further stabilized by the inclined surface matching with the limiting projection 21, so that the accuracy of each structure of the formed mold cavity 30 can be further improved.
In this embodiment, the bottom of the mold core body 10 is provided with two limiting grooves 14, the two limiting grooves 14 are respectively communicated with the two mounting holes 13, one side of the cavity wall insert column 20 is integrally formed with a limiting projection 21, the limiting projection 21 is located at the bottom of the cavity wall insert column 20, the limiting projection 21 is mounted in the limiting groove 14, the length and the height of the limiting groove 14 are respectively equal to the length and the height of the limiting projection 21, the width of the limiting groove 14 is larger than the width of the limiting projection 21, the widths of the limiting groove 14 and the limiting projection 21 are respectively the length in the second direction, namely, a gap is formed between one side wall of the limiting lug 21 and the limiting groove 14, so that the disassembly of the limiting lug 21, namely the disassembly of the cavity wall embedded column 20 is further facilitated, when the cavity wall embedded column 20 is installed, the top end of the cavity wall insert column 20 is inserted from the bottom end of the mounting insert hole 13, the limiting lug 21 is clamped in the limiting groove 14, and the position of the cavity wall insert column 20 is locked.
Based on the above embodiment, the limiting groove 14 is located the installation inlaying hole 13 and keeps away from one side of the injection molding groove 11, the limiting convex block 21 is located the cavity wall inlaying column 20 and keeps away from one side of the injection molding groove 11, the limiting groove 14 and the limiting convex block 21 which are used for clamping are both arranged on one side of the injection molding groove 11, and the arrangement that the limiting convex block 21 blocks the thimble structure can be effectively avoided.
In this embodiment, the top of the mold core main body 10 is provided with two first vent grooves 15 communicating with two sides of the feed channel 12 and two first exhaust grooves 16 penetrating through the side wall of the mold core main body 10, each cavity wall embedded column 20 is provided with a second vent groove 22 and a second exhaust groove 23 which are communicated with each other, the feed channel 12 is sequentially connected with the first vent grooves 15, the second vent grooves 22, the second exhaust grooves 23 and the first exhaust grooves 16, and the internal pressure of the mold cavity 30 can be effectively released through each vent groove and each exhaust groove, so that the injection molding effect is improved, preferably, the depths of the first vent grooves 15 and the second vent grooves 22 are D, the depths of the first exhaust grooves 16 and the second exhaust grooves 23 are D, and D > D, which can effectively avoid glue overflow in the vent grooves in the injection molding process.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. An embedded optical mold core structure is characterized by comprising a mold core main body (10), wherein an injection molding groove (11) is formed in the mold core main body (10), one end of the injection molding groove (11) is connected with a feeding channel (12), two mounting embedding holes (13) are further formed in the mold core main body (10), two opposite sides of the injection molding groove (11) are respectively communicated with the two mounting embedding holes (13), the two mounting embedding holes (13) are centrosymmetric with respect to the injection molding groove (11), and the length of the injection molding groove (11) is smaller than that of the mounting embedding holes (13);
the mounting inlaying structure is characterized in that a cavity wall inlaying column (20) is mounted in the mounting inlaying hole (13), the cavity wall inlaying column (20) is closely matched with the side wall of the mounting inlaying hole (13), and a mold cavity (30) is formed between the injection molding groove (11) and the cavity wall inlaying columns (20) on the two sides.
2. The insert optical mold core structure according to claim 1, wherein the maximum distance from the center of the molding groove (11) to the wall of the molding groove is P, the distance from the center of the molding groove (11) to the sidewall of the mounting insert hole (13) is Q, and P is less than or equal to Q.
3. The insert optical mold core structure according to claim 1, wherein the bottom of the molding groove (11) is provided with at least one first pin hole (111).
4. A damascene optical mold core structure according to claim 1 or 3, wherein the bottom of the feeding channel (12) is provided with a second pinhole (121).
5. The optical mold-core structure of claim 1, wherein at least one side of at least one of the cavity wall studs (20) is a bevel.
6. The optical insert structure according to claim 1 or 5, wherein the bottom of the insert body (10) has two limiting grooves (14), the two limiting grooves (14) are respectively connected to the two mounting holes (13), one side of the cavity wall insert pillar (20) is integrally formed with a limiting protrusion (21), the limiting protrusion (21) is located at the bottom of the cavity wall insert pillar (20), and the limiting protrusion (21) is mounted in the limiting groove (14).
7. The insert optical mold core structure according to claim 6, wherein the limiting groove (14) is located at a side of the mounting insert hole (13) away from the injection molding groove (11), and the limiting protrusion (21) is located at a side of the cavity wall insert pillar (20) away from the injection molding groove (11).
8. The insert optical mold core structure according to claim 1, wherein two first vent grooves (15) and two first exhaust grooves (16) are disposed at the top of the mold core body (10), each cavity wall insert column (20) is provided with a second vent groove (22) and a second exhaust groove (23) which are communicated with each other, and the feed channel (12) is sequentially connected to the first vent groove (15), the second vent groove (22), the second exhaust groove (23) and the first exhaust groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428960.2U CN210651662U (en) | 2019-08-29 | 2019-08-29 | Embedded optical mold core structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921428960.2U CN210651662U (en) | 2019-08-29 | 2019-08-29 | Embedded optical mold core structure |
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| CN210651662U true CN210651662U (en) | 2020-06-02 |
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| CN201921428960.2U Active CN210651662U (en) | 2019-08-29 | 2019-08-29 | Embedded optical mold core structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406037A (en) * | 2019-08-29 | 2019-11-05 | 东莞晶彩光学有限公司 | A kind of inserted optics mould core structure |
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- 2019-08-29 CN CN201921428960.2U patent/CN210651662U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406037A (en) * | 2019-08-29 | 2019-11-05 | 东莞晶彩光学有限公司 | A kind of inserted optics mould core structure |
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