CN215825844U - Cylindrical lens manufacturing mold - Google Patents
Cylindrical lens manufacturing mold Download PDFInfo
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- CN215825844U CN215825844U CN202122397993.9U CN202122397993U CN215825844U CN 215825844 U CN215825844 U CN 215825844U CN 202122397993 U CN202122397993 U CN 202122397993U CN 215825844 U CN215825844 U CN 215825844U
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Abstract
The utility model relates to the technical field of lens manufacturing, and discloses a cylindrical lens manufacturing die which comprises a fixed die and a movable die, wherein the movable die comprises a movable die core and a movable die insert, an upward convex arc boss is fixed on the upper surface of the movable die core, a first installation cavity is arranged on the arc boss, the movable die insert is arranged in the first installation cavity, the fixed die comprises a fixed die core and a fixed die insert, the lower surface of the fixed die core is an upward concave arc groove, the arc groove is matched with the arc boss, a second installation cavity is arranged on the fixed die core, the fixed die insert is arranged in the second installation cavity, the movable die insert and the fixed die insert are oppositely arranged to form a forming cavity, movable die cooling pipe frames are symmetrically arranged on two sides of the axis of the movable die insert, the movable die cooling pipe frames are obliquely arranged from top to bottom from inside to outside, resin in the forming cavity is uniformly cooled, and smooth production of cylindrical lenses is ensured.
Description
Technical Field
The utility model relates to the technical field of lens manufacturing, in particular to a cylindrical lens manufacturing mold.
Background
Spectacles are lens pieces embedded in a frame that are worn in front of the eyes to improve vision, protect the eyes, or for decorative purposes. Lenses can correct a variety of vision problems, including myopia, hyperopia, astigmatism, presbyopia, or strabismus. The glasses are composed of lenses and a glasses frame. The glasses include myopia glasses, hyperopia glasses, presbyopic glasses and astigmatic glasses.
The existing lens is generally made of an injection mold, glass or resin and other optical materials are subjected to injection molding, and when the cylindrical lens with large bending degree is prepared, resin liquid in a molding cavity is difficult to cool quickly and uniformly, so that the production efficiency of the lens is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, a cylindrical lens manufacturing mold is needed to be provided to solve the problem that a molding cavity of a cylindrical lens in the prior art cannot be uniformly cooled.
In order to achieve the purpose, the utility model provides a cylindrical lens manufacturing die, which comprises a fixed die and a movable die, wherein the fixed die is positioned above the movable die, the movable die comprises a movable die core and a movable die insert, an upward convex arc boss is fixed on the upper surface of the movable die core, the arc boss is arranged along the axis of the movable die core, a first installation cavity is arranged on the arc boss, the movable die insert is arranged in the first installation cavity, the fixed die comprises a fixed die core and a fixed die insert, the lower surface of the fixed die core is an upward concave arc groove, the arc groove is matched with the arc boss, a second installation cavity is arranged on the fixed die core, the fixed die insert is arranged in the second installation cavity, the movable die insert and the fixed die insert are oppositely arranged to form a molding cavity, the top surface of the movable die insert and the bottom surface of the fixed die insert are arc surfaces, and movable die cooling is symmetrically arranged inside the movable die insert on two sides of the axis, the movable mould cooling pipe support from top to bottom is from inside to outside slope setting, the bottom of movable mould cooling pipe support is connected with the movable mould inlet tube, the top of movable mould cooling pipe support is connected with the movable mould outlet pipe.
Further, the movable mould cooling pipe support includes that a plurality of levels divide pipe and a plurality of radial slope to divide the pipe, two levels are connected respectively to the both ends that the radial slope divides the pipe and divide the pipe. The bottom surface of the forming cavity, which can be uniform in distribution of the horizontal branch pipe and the radial inclined branch pipe, is cooled, so that the cooling consistency of all parts of the lens is ensured, and the yield of the produced lens is improved.
Further, the inside that the cover half was inserted is equipped with cover half cooling pipe support, cover half cooling pipe support and movable mould cooling pipe support symmetry set up, the bottom of cover half cooling pipe support is connected with the cover half inlet tube, the top of cover half cooling pipe support is connected with the cover half outlet pipe.
Further, the cover half inlet tube parallels with the cover half outlet pipe, the movable mould inlet tube parallels with the movable mould outlet pipe, the cover half inlet tube is mutually perpendicular with the movable mould outlet pipe. The fixed die water inlet pipe and the movable die water inlet pipe are located on different side faces of the die, so that workers can conveniently identify the fixed die water inlet pipe and the movable die water inlet pipe, and the whole die is reasonable in layout.
Further, the upper surface of the circular arc boss is provided with an axial exhaust groove, the upper surface of the movable mould core is provided with a radial exhaust groove on the side edge of the circular arc boss, and the axial exhaust groove and the radial exhaust groove are communicated with the outer side surface of the movable mould core. The axial exhaust groove and the radial exhaust groove are used for exhausting gas in the molding cavity, so that the molding cavity is completely filled with resin when injection molding is guaranteed, and the yield of lens production is improved.
Further, be equipped with two first installation cavities on the circular arc boss, the quantity that the movable mould was inserted and the cover half was inserted is two in order to form two molding cavities, the central point of cover half puts and is equipped with the runner, the circular arc boss is located the subchannel that is equipped with the S type between two first installation cavities, the central authorities and the runner of subchannel communicate with each other, two molding cavities are connected at the both ends of subchannel. The S-shaped sub-runners are beneficial to uniform flow of resin during injection molding.
Further, the cover half still includes an upper fixed plate, the cover half benevolence is fixed at the lower surface of upper fixed plate, the movable mould still includes lower fixing base, the movable mould benevolence is fixed at fixing base upper surface down, upper fixed plate and lower fixing base are the heat insulating board. The heat conduction can prevent to cool off the surface scald staff of shaping time-lag to the mould with the thermal-insulated setting of lower fixing base.
The movable mold comprises a lower fixed seat, a movable cavity and a lens ejector pin, wherein the movable cavity is arranged on the lower fixed seat, the movable cavity is arranged on the movable plate, the movable plate is located in the movable cavity, the bottom ends of the flow channel ejector pin and the lens ejector pin are fixed with the movable plate, the top ends of the flow channel ejector pin and the lens ejector pin movably penetrate through the lower fixed seat, the movable mold core and the movable mold insert, the flow channel ejector pin corresponds to the S-shaped flow channel, and the position of the lens ejector pin corresponds to the side edge of the molding cavity. Used for ejecting lens products after cooling and forming.
The technical scheme has the following beneficial effects:
according to the utility model, the arc bosses and the arc grooves can play a certain fixing effect after the fixed die and the movable die are assembled, the fixed die and the movable die are prevented from sliding in the radial direction, the formed molding cavity is an upward-bent rectangular groove, the lens in the shape of a cylindrical surface can be produced after injection molding, the lens can be used in various industrial application scenes, the movable die cooling pipe frame is obliquely arranged and corresponds to the arc bottom surface of the molding cavity, and the movable die cooling pipe frame is used for cooling all parts of the bottom surface of the lens when the cylindrical surface lens is cooled and molded.
Drawings
Fig. 1 is a perspective view of a mold according to an embodiment.
Fig. 2 is a perspective exploded view of the mold according to the embodiment.
Fig. 3 is a perspective view of the stationary mold according to the embodiment.
Fig. 4 is a perspective view of a movable mold core according to an embodiment.
FIG. 5 is a perspective view of the movable mold insert and the fixed mold insert in accordance with the preferred embodiment.
FIG. 6 is a perspective view of a stationary mold cooling pipe support and a movable mold cooling pipe support corresponding to one molding cavity in accordance with an embodiment.
FIG. 7 is a perspective view of a movable mold cooling tube holder according to an embodiment.
Fig. 8 is a perspective view of the ejection assembly according to the embodiment.
Description of reference numerals:
1. fixing a mold; 11. a gate; 12. fixing a mold core; 121. a circular arc groove; 122. a second mounting cavity; 13. A fixed die insert; 14. fixing a mould to cool the pipe frame; 141. a fixed die water outlet pipe; 142. a water inlet pipe is fixed;
2. moving the mold; 21. a movable mould core; 211. a circular arc boss; 212. a first mounting cavity; 213. a shunt channel; 214. an axial exhaust groove; 215. a radial exhaust groove; 22. a movable die insert; 23. a lower fixed seat; 24. Cooling the pipe frame by the movable mould; 241. a movable mould water inlet pipe; 242. a water outlet pipe of the movable mould; 243. horizontally dividing pipes; 244. radially inclining the branch pipes;
3. ejecting the assembly; 31 a movable plate; 32. a flow passage thimble; 33. a lens thimble.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1-8, this embodiment discloses a cylindrical lens manufacturing mold, which includes a fixed mold 1, a movable mold 2 and an ejection assembly 3, wherein the fixed mold 1 is located above the movable mold 2, the movable mold 2 includes a lower fixed seat 23, a movable mold core 21 and a movable mold insert 22, the movable mold core 21 is fixed on the upper surface of the lower fixed seat 23, an upwardly convex arc boss 211 is fixed on the upper surface of the movable mold core 21, the arc boss 211 is arranged along the axis of the movable mold core 21, a first mounting cavity 212 is arranged on the arc boss 211, the movable mold insert 22 is arranged in the first mounting cavity 212, the fixed mold 1 includes an upper fixed plate, a fixed mold core 12 and a fixed mold insert 13, the lower surface of the fixed mold core 12 is an upwardly concave arc groove 121, the arc groove 121 is matched with the arc boss 211, the fixed mold core 12 is fixed on the lower surface of the upper fixed plate, a second mounting cavity 122 is arranged on the fixed mold core 12, the fixed mold insert 13 is arranged in the second mounting cavity 122, the movable die insert 22 and the fixed die insert 13 are oppositely arranged to form a molding cavity, and the top surface of the movable die insert 22 and the bottom surface of the fixed die insert 13 are arc surfaces.
In this embodiment, two first mounting cavities 212 are arranged on the arc boss 211, two numbers of the movable mold insert 22 and the fixed mold insert 13 are both used to form two molding cavities, a gate 11 is arranged at the central position of the fixed mold 1, an S-shaped runner 213 is arranged between the two first mounting cavities 212 on the arc boss 211, the center of the runner 213 is communicated with the gate 11, and two molding cavities are connected to two ends of the runner 213. The S-shaped runner 213 facilitates uniform flow of resin during injection molding.
The upper fixing plate and the lower fixing seat 23 are both heat insulation plates. The upper fixed plate is fixed with cover half benevolence 12, lower fixing base 23 and cover half benevolence 12 all through the nut fastener, and the surface heat conduction to the mould scalds the staff when upper fixed plate and lower fixing base 23 insulate against heat to set up and can prevent to cool off the shaping, and is concrete, and the heat insulating board setting of upper fixed plate and lower fixing base 23 can use thermal insulation material to make in time, sets up the cooling duct in time also, further plays the thermal-insulated effect of cooling.
The movable mold cooling pipe support 24 is symmetrically arranged on two sides of the axis of the movable mold insert 22, the movable mold cooling pipe support 24 is arranged in an inclined manner from top to bottom from inside to outside, the bottom of the movable mold cooling pipe support 24 is connected with a movable mold water inlet pipe 241, and the top of the movable mold cooling pipe support 24 is connected with a movable mold water outlet pipe 242. The fixed die cooling pipe support 14 is arranged in the fixed die insert 13, the fixed die cooling pipe support 14 and the movable die cooling pipe support 24 are symmetrically arranged, the bottom of the fixed die cooling pipe support 14 is connected with a fixed die water inlet pipe 142, and the top of the fixed die cooling pipe support 14 is connected with a fixed die water outlet pipe 141. The movable mold cooling pipe support 24 is obliquely arranged and corresponds to the arc bottom surface of the molding cavity, and when the cylindrical lens is cooled and molded, the movable mold cooling pipe support 24 is used for cooling all parts of the bottom surface of the lens.
Specifically, the movable mold cooling pipe support 24 includes a plurality of horizontal branched pipes 243 and a plurality of radial inclined branched pipes 244, and two ends of the radial inclined branched pipes 244 are connected to the two horizontal branched pipes 243, respectively. The bottom surface of the forming cavity can be uniformly cooled by the distribution of the horizontal branch pipe 243 and the radial inclined branch pipe 244, so that the cooling consistency of all parts of the lens is ensured, and the yield of the produced lens is improved.
In this embodiment, the movable mold cooling pipe support 24 includes three horizontal branch pipes 243 arranged from top to bottom at intervals, one end of the highest horizontal branch pipe 243 is connected with the movable mold water outlet pipe 242, one ends of the three horizontal branch pipes 243 far away from the movable mold water outlet pipe 242 are communicated by using the radial inclined branch pipes 244, the movable mold water outlet pipes 242 close to the lowest two horizontal branch pipes 243 are also communicated by using the radial inclined branch pipes 244, the movable mold water inlet pipe 241 is connected with one end of the lowest horizontal branch pipe 243, and the connection positions of the movable mold water inlet pipe 241 and the movable mold water outlet pipe 242 with the movable mold cooling pipe support 24 are arranged diagonally, so that the cooling water can fully flow through all parts of the molding cavity.
The fixed mold water inlet pipe 142 is parallel to the fixed mold water outlet pipe 141, the movable mold water inlet pipe 241 is parallel to the movable mold water outlet pipe 242, and the fixed mold water inlet pipe 142 is vertical to the movable mold water outlet pipe 242. The fixed die water inlet pipe 142 and the movable die water inlet pipe 241 are located on different sides of the die, so that workers can conveniently recognize the die, and the layout of the whole die is more reasonable.
The upper surface of the circular arc boss 211 is provided with an axial exhaust groove 214, the upper surface of the movable die core 21 on the side of the circular arc boss 211 is provided with a radial exhaust groove 215, and the axial exhaust groove 214 and the radial exhaust groove 215 are communicated with the outer side surface of the movable die core 21. The axial exhaust grooves 214 and the radial exhaust grooves 215 are used for exhausting gas in the molding cavity, so that the molding cavity is completely filled with resin during injection molding, and the yield of lens production is improved.
The lower fixed seat 23 is provided with a movable cavity, the ejection assembly 3 comprises a movable plate and a plurality of flow channel ejector pins 32 and lens ejector pins 33, the movable plate is located in the movable cavity, the bottom ends of the flow channel ejector pins 32 and the lens ejector pins 33 are fixed with the movable plate, the top ends of the flow channel ejector pins 32 and the lens ejector pins 33 movably penetrate through the lower fixed seat 23, the movable mold core 21 and the movable mold insert 22, the flow channel ejector pins 32 correspond to the S-shaped flow channel, and the lens ejector pins 33 correspond to the side edges of the molding cavity.
When the utility model is used:
the movable mould 2 wholly drives upward movement under the drive of actuating cylinder outside, with cover half 1 compound die, circular arc boss 211 and circular arc recess 121 cooperate, it forms the molding cavity to have the clearance between cover half insert 13 and the movable mould insert 22, begin to mould plastics next, the resin of pouring into is through runner 11, S type runner flow direction molding cavity, the completion of moulding plastics, carry out the cooling shaping, during the cooling, movable mould cooling pipe support 24 and cover half cooling pipe support 14 are intake simultaneously, the cooling water is full of whole cooling pipe support gradually by the bottom, later flow out by the top, the setting of horizontal branch pipe 243 and radial slope branch pipe 244 guarantees that the cooling water can fully cool off the molding cavity of arc surface. After cooling and forming, the movable mold 2 descends, then the movable plate is ejected upwards under the action of external acting force (which can be a driving cylinder), the runner ejector pins 32 and the lens ejector pins 33 are ejected simultaneously, and after lens products are ejected, workers can collect the lens products for subsequent processing and finishing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.
Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.
Claims (8)
1. The cylindrical lens manufacturing mold is characterized by comprising a fixed mold and a movable mold, wherein the fixed mold is positioned above the movable mold, the movable mold comprises a movable mold core and a movable mold insert, an upward convex arc boss is fixed on the upper surface of the movable mold core, the arc boss is arranged along the axis of the movable mold core, a first installation cavity is arranged on the arc boss, the movable mold insert is arranged in the first installation cavity, the fixed mold comprises a fixed mold core and a fixed mold insert, the lower surface of the fixed mold core is an upward concave arc groove, the arc groove is matched with the arc boss, a second installation cavity is arranged on the fixed mold core, the fixed mold insert is arranged in the second installation cavity, the movable mold insert and the fixed mold insert are oppositely arranged to form a molding cavity, the top surface of the movable mold insert and the bottom surface of the fixed mold insert are arc surfaces, movable mold cooling pipe frames are symmetrically arranged on two sides of the axis of the movable mold insert, the movable mould cooling pipe support from top to bottom is from inside to outside slope setting, the bottom of movable mould cooling pipe support is connected with the movable mould inlet tube, the top of movable mould cooling pipe support is connected with the movable mould outlet pipe.
2. The cylindrical lens manufacturing mold according to claim 1, wherein the movable mold cooling tube holder comprises a plurality of horizontal branched tubes and a plurality of radial inclined branched tubes, and two ends of each of the radial inclined branched tubes are connected to two of the horizontal branched tubes.
3. The cylindrical lens manufacturing mold according to claim 2, wherein a fixed mold cooling pipe frame is arranged inside the fixed mold insert, the fixed mold cooling pipe frame and the movable mold cooling pipe frame are symmetrically arranged, a fixed mold water inlet pipe is connected to the bottom of the fixed mold cooling pipe frame, and a fixed mold water outlet pipe is connected to the top of the fixed mold cooling pipe frame.
4. The cylindrical lens manufacturing mold according to claim 3, wherein the fixed mold water inlet pipe and the fixed mold water outlet pipe are parallel, the movable mold water inlet pipe and the movable mold water outlet pipe are parallel, and the fixed mold water inlet pipe and the movable mold water outlet pipe are perpendicular.
5. The cylindrical lens manufacturing mold according to claim 1, wherein the upper surface of the circular arc boss is provided with an axial exhaust groove, the upper surface of the movable mold core is provided with a radial exhaust groove on the side of the circular arc boss, and the axial exhaust groove and the radial exhaust groove communicate with the outer side surface of the movable mold core.
6. The cylindrical lens manufacturing mold according to claim 1, wherein two first installation cavities are provided on the circular arc boss, the number of the movable mold insert and the fixed mold insert is two to form two molding cavities, the central position of the fixed mold is provided with a sprue, the circular arc boss is located between the two first installation cavities and provided with an S-shaped runner, the center of the runner is communicated with the sprue, and two ends of the runner are connected with the two molding cavities.
7. The cylindrical lens manufacturing mold according to claim 1, wherein the fixed mold further comprises an upper fixing plate, the fixed mold core is fixed to a lower surface of the upper fixing plate, the movable mold further comprises a lower fixing seat, the movable mold core is fixed to an upper surface of the lower fixing seat, and both the upper fixing plate and the lower fixing seat are heat insulation plates.
8. The cylindrical lens manufacturing mold according to claim 7, further comprising an ejection assembly, wherein the lower fixing base is provided with a movable cavity, the ejection assembly comprises a movable plate and a plurality of flow channel ejector pins and lens ejector pins, the movable plate is located in the movable cavity, the bottom ends of the flow channel ejector pins and the lens ejector pins are fixed to the movable plate, the top ends of the flow channel ejector pins and the lens ejector pins movably penetrate through the lower fixing base, the movable mold core and the movable mold insert, the flow channel ejector pins correspond to the S-shaped flow channel, and the lens ejector pins correspond to the side edges of the molding cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397993.9U CN215825844U (en) | 2021-09-30 | 2021-09-30 | Cylindrical lens manufacturing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397993.9U CN215825844U (en) | 2021-09-30 | 2021-09-30 | Cylindrical lens manufacturing mold |
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| Publication Number | Publication Date |
|---|---|
| CN215825844U true CN215825844U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122397993.9U Active CN215825844U (en) | 2021-09-30 | 2021-09-30 | Cylindrical lens manufacturing mold |
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| CN (1) | CN215825844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801083A (en) * | 2022-04-18 | 2022-07-29 | 广东烨嘉光电科技股份有限公司 | Cylindrical surface resin lens injection mold |
| CN115195044A (en) * | 2022-08-09 | 2022-10-18 | 广东烨嘉光电科技股份有限公司 | Resin lens injection mold for preventing lens edge cracking |
-
2021
- 2021-09-30 CN CN202122397993.9U patent/CN215825844U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801083A (en) * | 2022-04-18 | 2022-07-29 | 广东烨嘉光电科技股份有限公司 | Cylindrical surface resin lens injection mold |
| CN115195044A (en) * | 2022-08-09 | 2022-10-18 | 广东烨嘉光电科技股份有限公司 | Resin lens injection mold for preventing lens edge cracking |
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