CN216032136U - Lens one shot forming material embryo mould of moulding plastics - Google Patents
Lens one shot forming material embryo mould of moulding plastics Download PDFInfo
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- CN216032136U CN216032136U CN202121517537.7U CN202121517537U CN216032136U CN 216032136 U CN216032136 U CN 216032136U CN 202121517537 U CN202121517537 U CN 202121517537U CN 216032136 U CN216032136 U CN 216032136U
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Abstract
The utility model discloses a lens one-step molding injection molding material blank mold, which comprises: the front die comprises a front die fixing plate, a front die plate and a first female die, wherein the front die fixing plate is connected to the outer side surface of the front die plate, and the first female die is arranged on the inner side surface of the front die plate; the rear die comprises a rear die fixing plate, a rear die plate and a second female die, the rear die fixing plate is connected with the rear die plate through a connecting block, and the second female die is arranged on the inner side surface of the rear die plate; and one side of the front die, which is provided with the first concave die, is opposite to one side of the rear die, which is provided with the second concave die. The utility model has the beneficial effects that: 1. the blank of the lens can be formed in one step, and compared with the prior art of layered injection molding, the production efficiency is higher, the problem of uneven lens inner texture is not easy to occur, and the yield is high; 2. two lens blanks can be directly formed through one-mold double cavities; 3. after the material embryo is formed in the die, the material embryo can be automatically pushed out through a push rod mechanism during die opening, and the material embryo is convenient to take.
Description
Technical Field
The utility model belongs to the field of lens production equipment, and particularly relates to a lens one-step molding injection molding material blank mold.
Background
The thick-wall injection lens is a common optical equipment component, and has thicker thickness in order to meet the requirements of optical equipment.
In summary, in order to solve the existing technical problems, the utility model designs the injection molding material blank mold which has a simple structure and can be used for one-step molding of the lens.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art and designs an injection molding material blank mold which is simple in structure and can be used for one-step molding of a lens.
The purpose of the utility model can be realized by the following technical scheme:
a lens one-shot forming material embryo mould, includes:
the front die comprises a front die fixing plate, a front die plate and a first female die, wherein the front die fixing plate is connected to the outer side surface of the front die plate, the first female die is arranged on the inner side surface of the front die plate, the first female die is provided with a rotationally symmetric first die cavity, an injection molding pipe is arranged in the middle of the front die plate, one end, facing the first female die, of the injection molding pipe is communicated with the side surface, provided with the first die cavity, of the first female die, and a butt joint hole is formed in the position, corresponding to the injection molding pipe, of the front die fixing plate;
the rear die comprises a rear die fixing plate, a rear die plate and a second female die, wherein the rear die fixing plate is connected with the rear die plate through a connecting block, the second female die is arranged on the inner side surface of the rear die plate, the second female die is provided with a second die cavity corresponding to the first die cavity, an injection molding channel is arranged between the second die cavities, a wedge-shaped groove is arranged between the injection molding channel and the second die cavity, and an L-shaped groove is arranged between the wedge-shaped groove and the second die cavity;
and one side of the front die, which is provided with the first concave die, is opposite to one side of the rear die, which is provided with the second concave die.
Furthermore, the one end that the pipe of moulding plastics was kept away from first die is equipped with the butt joint piece, butt joint piece middle part is equipped with the mouth of moulding plastics with the pipe intercommunication of moulding plastics, the mouth periphery of moulding plastics is equipped with the arc wall.
The die is further characterized in that guide posts are arranged at four corners of the rear die plate, guide sleeves are arranged at four corners of the front die plate, and the guide posts are in sliding fit with the guide sleeves.
Furthermore, positioning convex blocks are arranged on four sides of the rear template, and positioning concave blocks matched with the positioning convex blocks are arranged on four sides of the front template.
Further, be equipped with push rod mechanism between back mould fixed plate and the back mould, push rod mechanism includes push pedal, clamp plate, guide arm, push rod, the guide arm sets up on the four corners of push pedal, the guide arm passes through the clamp plate to be fixed in the push pedal, the cover is equipped with reset spring on the guide arm, the push rod is connected on the clamp plate, the second die is equipped with the hole that pushes away that corresponds with the push rod, be equipped with the slide bar between back mould fixed plate and the back mould, push pedal and slide bar sliding fit.
Furthermore, the push-out holes are respectively and correspondingly arranged in the middle of the injection molding channel, the injection molding channel is correspondingly connected with the wedge-shaped groove, the bottom of the vertical part of the L-shaped groove and the middle of the horizontal part of the L-shaped groove.
Compared with the prior art, the utility model has reasonable structure and arrangement: 1. the blank of the lens can be formed in one step, and compared with the prior art of layered injection molding, the production efficiency is higher, the problem of uneven lens inner texture is not easy to occur, and the yield is high; 2. two lens blanks can be directly formed through one-mold double cavities; 3. after the material embryo is formed in the die, the material embryo can be automatically pushed out through a push rod mechanism during die opening, and the material embryo is convenient to take.
Drawings
FIG. 1 is a schematic overall view of the present mold;
FIG. 2 is a schematic front mold view;
FIG. 3 is a schematic diagram of a front mold explosion;
FIG. 4 is a schematic diagram of a rear mold explosion;
FIG. 5 is a schematic view of a second cavity;
referring to fig. 1-4, wherein: 1. a front mold; 11. a front mold fixing plate; 111. a butt joint hole; 12. a front template; 121. injection molding a tube; 122. a butt joint block; 1221. an injection molding port; 1222. an arc-shaped slot; 123. a guide sleeve; 124. Positioning the concave block; 13. a first female die; 131. a first mold cavity; 2. a rear mold; 21. a rear mold fixing plate; 211. Connecting blocks; 22. a rear template; 221. a guide post; 222. positioning the bump; 23. a second female die; 231. a second mold cavity; 232. injection molding; 233. a wedge-shaped groove; 234. an L-shaped groove; 235. a push-out hole; 3. a push rod mechanism; 31. pushing the plate; 32. pressing a plate; 33. a guide bar; 34. a push rod; 35. a return spring; 36. a slide bar.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
a lens one-shot forming material embryo mould, includes:
the front mold 1 comprises a front mold fixing plate 11, a front mold plate 12 and a first female mold 13, wherein the front mold fixing plate 11 is connected to the outer side surface of the front mold plate 12, the first female mold 13 is arranged on the inner side surface of the front mold plate 12, the first female mold 13 is provided with a first mold cavity 131 which is rotationally symmetrical, an injection molding pipe 121 is arranged in the middle of the front mold plate 12, one end, facing the first female mold 13, of the injection molding pipe 121 is communicated with the side surface, provided with the first mold cavity 131, of the first female mold 13, and a butt joint hole 111 is formed in the position, corresponding to the injection molding pipe 121, of the front mold fixing plate 11;
the rear mold 2 comprises a rear mold fixing plate 21, a rear mold plate 22 and a second female mold 23, the rear mold fixing plate 21 is connected with the rear mold plate 22 through a connecting block 211, the second female mold 23 is arranged on the inner side surface of the rear mold plate 22, the second female mold 23 is provided with a second mold cavity 2311 corresponding to the first mold cavity 131, an injection molding channel 232 is arranged between the second mold cavities 231, a wedge-shaped groove 233 is arranged between the injection molding channel 232 and the second mold cavity 231, and an L-shaped groove 234 is arranged between the wedge-shaped groove 233 and the second mold cavity 231;
the side of the front die 1 provided with the first concave die 13 is opposite to the side of the rear die 2 provided with the second concave die 23.
Specifically, the mold is arranged in an injection molding machine and is fixed with the injection molding machine through a front mold fixing plate 11 and a rear mold fixing plate 21; when injection molding is carried out, the front mold 1 and the rear mold 2 are closed, the first mold cavity 131 and the second mold cavity 231 are closed to form a complete mold cavity, a pipeline of the injection molding machine is communicated with the injection molding pipe 121 through the butt joint hole 111, molten plastic liquid is injected into the injection molding channel 232, the plastic liquid flows through the injection molding channel 232 to reach the mold cavity, and a blank of the whole lens is formed at one time; when the lens blank is cooled and formed, the connecting end face of a plastic part formed in the wedge-shaped groove 233 is small, the plastic part is easy to break off, an L-shaped part is formed in the L-shaped groove 234 and is used for the function of suspending the lens blank when the lens blank is heated, softened and extruded into a lens finished product, the effect of one-step forming is achieved, and compared with layered injection molding, the production efficiency is higher.
Example two:
the difference between the second embodiment and the first embodiment is that the end of the injection pipe 121 far away from the first concave die 13 is provided with a butt-joint block 122, the middle part of the butt-joint block 122 is provided with an injection port 1221 communicated with the injection pipe 121, and the periphery of the injection port 1221 is provided with an arc-shaped groove 1222.
Specifically, the injection molding pipe 121 is communicated with a pipeline of an injection molding machine through the butt joint block 122, the arc-shaped groove 1222 enables the butt joint block 122 to be matched with the pipeline of the injection molding machine in shape, the sealing performance is improved, and plastic liquid enters the injection molding pipe from the injection molding opening 1221.
Example three:
the difference between the third embodiment and the first embodiment is that guide posts 221 are disposed at four corners of the rear mold plate 22, guide sleeves 123 are disposed at four corners of the front mold plate 12, and the guide posts 221 are slidably engaged with the guide sleeves 123.
Specifically, the guide pillar 221 is matched with the guide sleeve 123, so that the moving matching of the front mold 1 and the rear mold 2 is smoother and more stable, and the first female mold 13 and the second female mold 23 are closed more accurately.
Example four:
the difference between the fourth embodiment and the first embodiment is that the four sides of the rear mold plate 22 are provided with positioning convex blocks 222, and the four sides of the front mold plate 12 are provided with positioning concave blocks 124 matched with the positioning convex blocks 222.
Specifically, the positioning protrusion 222 and the positioning concave block 123 can correct the tolerance of the fit between the front mold 1 and the rear mold 2, so that the first concave mold 13 and the second concave mold 23 are closed more accurately.
Example five:
the difference between the fifth embodiment and the first embodiment is that a push rod mechanism 3 is arranged between the rear mold fixing plate 21 and the rear mold 22, the push rod mechanism 3 includes a push plate 31, a pressure plate 32, guide rods 33 and push rods 34, the guide rods 33 are arranged at four corners of the push plate 31, the guide rods 33 are fixed on the push plate 31 through the pressure plate 32, return springs 35 are sleeved on the guide rods 33, the push rods 34 are connected to the pressure plate 32, the second female mold 23 is provided with push-out holes 235 corresponding to the push rods 34, a slide rod 36 is arranged between the rear mold fixing plate 21 and the rear mold 22, and the push plate 31 and the slide rod 36 are in sliding fit.
Specifically, after the front mold 1 and the rear mold 2 are opened, the power mechanism on the injection molding machine pushes the push plate 31, so that the push rod 34 extends out of the push hole 235 to push out the lens blank in the second mold cavity 231, and an operator can take the lens blank conveniently; when the push plate 31 is pushed, the return spring 35 is compressed, and after the push plate is pushed out, the return spring 35 releases elastic potential energy to reset the push rod mechanism 3, and the push rod 34 retracts into the push-out hole 235.
Example six:
the difference between the sixth embodiment and the first embodiment is that the pushing holes 35 are respectively and correspondingly arranged in the middle of the injection channel 232, the injection channel 232 correspondingly connects the wedge-shaped grooves 233, the bottom of the vertical part of the L-shaped groove 234, and the middle of the horizontal part of the L-shaped groove 234.
Specifically, the middle of the injection molding channel 232 is provided with a push-out hole 235 because lens blanks at two sides are pushed out and the remainder of the injection molding channel 232 at the middle needs to be balanced to apply force; the injection molding channel 232 is small in size corresponding to the wedge-shaped groove 233, so that the lens blank is easy to clamp, and a push hole 235 is formed in the position; the bottom of the vertical part of the L-shaped groove 234 is deeper, so that the lens blank is easy to clamp, and a push hole 235 is arranged at the position; the L-shaped groove 234 has large corners at both ends of the transverse portion, which is easy to clamp the lens blank, so that a push hole 235 is formed in the middle of the transverse portion of the L-shaped groove 234.
What has been described herein is merely a preferred embodiment of the utility model, and the scope of the utility model is not limited thereto. Modifications, additions, or substitutions by those skilled in the art to the specific embodiments described herein are intended to be within the scope of the utility model.
Claims (6)
1. The utility model provides a lens one shot forming material embryo mould that moulds plastics which characterized in that includes:
the front die comprises a front die fixing plate, a front die plate and a first female die, wherein the front die fixing plate is connected to the outer side surface of the front die plate, the first female die is arranged on the inner side surface of the front die plate, the first female die is provided with a rotationally symmetric first die cavity, an injection molding pipe is arranged in the middle of the front die plate, one end, facing the first female die, of the injection molding pipe is communicated with the side surface, provided with the first die cavity, of the first female die, and a butt joint hole is formed in the position, corresponding to the injection molding pipe, of the front die fixing plate;
the rear die comprises a rear die fixing plate, a rear die plate and a second female die, wherein the rear die fixing plate is connected with the rear die plate through a connecting block, the second female die is arranged on the inner side surface of the rear die plate, the second female die is provided with a second die cavity corresponding to the first die cavity, an injection molding channel is arranged between the second die cavities, a wedge-shaped groove is arranged between the injection molding channel and the second die cavity, and an L-shaped groove is arranged between the wedge-shaped groove and the second die cavity;
and one side of the front die, which is provided with the first concave die, is opposite to one side of the rear die, which is provided with the second concave die.
2. The mold for one-step molding of the lens blank according to claim 1, wherein the injection tube has a butt-joint block at an end thereof away from the first female mold, the butt-joint block has an injection opening at a middle portion thereof, the injection opening is communicated with the injection tube, and an arc-shaped groove is formed at a periphery thereof.
3. The mold for one-shot molding of lens blanks as claimed in claim 1, wherein the rear mold plate has guide posts at four corners thereof, and the front mold plate has guide sleeves at four corners thereof, the guide posts and the guide sleeves being slidably engaged with each other.
4. The mold for one-shot molding of lens blanks as claimed in claim 1, wherein the rear mold plate has positioning protrusions on four sides thereof, and the front mold plate has positioning recesses on four sides thereof for engaging with the positioning protrusions.
5. The mold for one-step molding of injection molding blanks for lenses according to claim 1, wherein a push rod mechanism is arranged between the rear mold fixing plate and the rear mold plate, the push rod mechanism comprises a push plate, a pressing plate, guide rods and push rods, the guide rods are arranged at four corners of the push plate, the guide rods are fixed on the push plate through the pressing plate, a return spring is sleeved on the guide rods, the push rods are connected to the pressing plate, the second female mold is provided with push holes corresponding to the push rods, slide rods are arranged between the rear mold fixing plate and the rear mold plate, and the push plate is in sliding fit with the slide rods.
6. The mold for one-step molding of an injection molding blank according to claim 5, wherein the push-out hole is respectively and correspondingly arranged in the middle of the injection molding channel, the position of the injection molding channel corresponding to the connecting wedge-shaped groove, the bottom of the vertical part of the L-shaped groove, and the middle of the horizontal part of the L-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121517537.7U CN216032136U (en) | 2021-07-05 | 2021-07-05 | Lens one shot forming material embryo mould of moulding plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121517537.7U CN216032136U (en) | 2021-07-05 | 2021-07-05 | Lens one shot forming material embryo mould of moulding plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216032136U true CN216032136U (en) | 2022-03-15 |
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ID=80555001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121517537.7U Active CN216032136U (en) | 2021-07-05 | 2021-07-05 | Lens one shot forming material embryo mould of moulding plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216032136U (en) |
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2021
- 2021-07-05 CN CN202121517537.7U patent/CN216032136U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 322200 No. 9, Jingcai Road, crystal Town, Yantou Town, Pujiang County, Jinhua City, Zhejiang Province Patentee after: Zhejiang Huaju Optoelectronics Co.,Ltd. Address before: 322203 No. 9, Jingcai Road, crystal Town, Yantou Town, Pujiang County, Jinhua City, Zhejiang Province Patentee before: Zhejiang Huaju Optical Co.,Ltd. |
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| CP03 | Change of name, title or address |