CN115214087A

CN115214087A - Resin lens injection mold capable of achieving efficient cooling

Info

Publication number: CN115214087A
Application number: CN202210861488.1A
Authority: CN
Inventors: 南基学
Original assignee: Yejia Optical Technology Guangdong Corp
Current assignee: Yejia Optical Technology Guangdong Corp
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-10-21

Abstract

The invention relates to the technical field of injection molds, in particular to a resin lens injection mold capable of realizing efficient cooling, which comprises a base, a cooling device, a mold assembly and a top plate, wherein the base is provided with a cooling hole; the mould assembly comprises an upper mould mechanism and a lower mould mechanism, wherein the upper mould mechanism comprises a fixed top mould and a movable top mould; the cooling device comprises a first cooling assembly, the first cooling assembly further comprises a first cooling jacket, a plurality of first pipelines and a first pipe orifice, the interior of the first cooling jacket is hollow, a spiral first spoiler is arranged inside the first cooling jacket, the first cooling jacket is communicated with the first cooling jacket through the first pipelines, and the first pipelines are fixedly connected with the first pipe orifice; the roof sets up in the one end of last mode mechanism, and the roof is fixed to be set up and move the one end that the top mould kept away from fixed top mould, is equipped with the third mouth of moulding plastics that suits with first mouthful on the roof, and the third is moulded plastics mouthful and the first axis collineation of moulding plastics mouthful. The invention realizes the uniform cooling effect on the injection molded resin lens.

Description

Resin lens injection mold capable of realizing efficient cooling

Technical Field

The invention relates to the technical field of injection molds, in particular to a resin lens injection mold capable of realizing efficient cooling.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used in mass production of some parts having complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

Chinese patent application CN114043691A discloses a resin lens injection mold, which comprises a fixed mold and a movable mold, wherein the fixed mold is fixedly mounted on an upper mold frame, the fixed mold has a convex part for resin lens molding, the movable mold is fixedly mounted on a lower mold frame, the movable mold has a concave part for resin lens molding, a gap between the concave part and the convex part forms a mold cavity matched with the shape of the resin lens, and the mold cavity comprises a first injection molding cavity and a second injection molding cavity; the first injection molding cavity is provided with a plurality of cavities; the second injection molding cavities are the same as the first injection molding cavities in quantity, the shapes of the second injection molding cavities are identical to the shapes of the resin lenses, the upper mold frame is provided with a first cooling cavity, a first cooling mechanism is arranged in the first cooling cavity, the lower mold frame is provided with a second cooling cavity, and a second cooling mechanism is arranged in the second cooling cavity. This application mutually supports through first cooling body and second cooling body, two-way cooling in advance promotes the efficiency of the cooling drawing of patterns of moulding plastics.

Although mutually supporting through first cooling body and second cooling body in the above-mentioned scheme, two-way cooling in advance promotes the efficiency of the cooling drawing of patterns of moulding plastics, but to the refrigerated inhomogeneous of resin lens, probably cause the part not completely cool off and then lead to the die sinking after the material scrap, influence production efficiency.

Disclosure of Invention

To above-mentioned problem, provide a resin lens injection mold that can realize high-efficient cooling, solved the inhomogeneous problem of cooling through setting up cooling device.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

a resin lens injection mold capable of realizing high-efficiency cooling comprises a base, a cooling device, a mold assembly and a top plate;

the die assembly comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism comprises a fixed top die and a movable top die; the lower die mechanism comprises a fixed die block and an outer die block; the fixed top die is fixedly arranged on the fixed top die, a first injection molding opening is formed in the fixed top die, a second injection molding opening matched with the fixed top die is formed in the movable top die, and the axes of the first injection molding opening and the second injection molding opening are collinear; the fixed bottom die is fixedly arranged on the outer bottom die, and the outer bottom die is fixedly arranged on the base; the cooling device comprises a first cooling assembly, the first cooling assembly further comprises a first cooling jacket, a plurality of first pipelines and a first pipe orifice, the interior of the first cooling jacket is hollow, a spiral first spoiler is arranged inside the first cooling jacket, the first cooling jacket is communicated with the first cooling jacket through the first pipelines, and the first pipelines are fixedly connected with the first pipe orifice; the roof sets up in the one end of last mode mechanism, and the roof is fixed to be set up and move the one end that the top mould kept away from fixed top mould, is equipped with the third mouth of moulding plastics that suits with first mouthful on the roof, and the third is moulded plastics mouthful and the first axis collineation of moulding plastics mouthful.

Preferably, a second cooling assembly is further fixedly arranged on the lower die mechanism, and the second cooling assembly is identical to the first cooling assembly in structure.

Preferably, still be equipped with the baffle on the roof, the fixed one end that keeps away from upper die mechanism that sets up at the bottom plate of baffle, the baffle is moulded plastics the axis collineation of mouthful with first.

Preferably, the top fixing die is further provided with a first exhaust hole, the first exhaust hole is formed in the top of the top fixing die cavity, the first exhaust hole penetrates through the top fixing die and is vertically arranged on the axis, and a hole matched with the first exhaust hole is formed in the top moving die.

Preferably, the top plate is further provided with a second exhaust hole, the second exhaust hole is formed in one end, close to the upper die mechanism, of the top plate and is horizontally arranged along the axis, and the second exhaust hole is communicated with the first exhaust hole.

Preferably, the top fixed die is provided with a first flow passage, and the bottom fixed die is provided with a second flow passage.

Preferably, the movable top die is also provided with a positioning column, and the outer bottom die is provided with a positioning hole; the positioning columns are arranged vertically, the positioning columns are arranged at one ends, close to the lower die mechanism, of the movable top die, the positioning holes are formed in one ends, close to the upper die mechanism, of the outer bottom die, the number of the positioning holes is matched with the number of the positioning columns, the positioning holes are arranged vertically, and the positioning holes are collinear with the axes of the positioning columns.

Preferably, the lower die mechanism is also provided with a demoulding assembly, and the demoulding assembly comprises an air cylinder and a push plate; the cylinder is fixed to be set up in the base and is close to the one end of mould subassembly, and the fixed top that sets up in the cylinder end that stretches out of push pedal, the shape of push pedal suits with the shape of die cavity.

Preferably, the base is also provided with a jacking assembly, and the jacking assembly comprises a hydraulic cylinder and an installation block; the mounting blocks are fixedly arranged on two sides of the base; the pneumatic cylinder sets up on the installation piece, and the end that stretches out and roof fixed connection of pneumatic cylinder.

Preferably, the hydraulic cylinder is further provided with a sliding block at one end abutted to the base, the base is further provided with a sliding groove, the sliding groove is arranged along the width direction of the base, and the sliding block is in sliding fit with the sliding groove.

Has the beneficial effects that:

through setting up cooling module, mould plastics resin through the third on the roof and mould plastics to inside the mould, resin enters into and decides the top mould through the second on moving the top mould and moulds plastics the mouth, it will flow into to decide the cavity between top mould and the fixed die block to continue to mould plastics the resin, the resin of moulding plastics is cooled off to the first cooling jacket of accessible fixed mounting in deciding the top mould after moulding plastics, pour into the coolant liquid into the first pipeline through first mouth of pipe, first pipeline intercommunication each first cooling jacket, the coolant liquid enters into first cooling jacket through a side opening on the cooling jacket, the coolant liquid flows along the first spoiler of spiral setting, the coolant liquid will flow to next first cooling jacket in the first pipeline of the opposite side of first cooling jacket, flow out through the first mouth of pipe of opposite side at last, the coolant liquid that flows out continues to enter into first cooling module after the cooling and circulates, the setting of first cooling jacket semi-surrounding type is in the outside of resin lens, set up the first spoiler in first spoiler through the spiral, make the coolant liquid can be even to the lens of cooling resin.

Drawings

FIG. 1 is a front view of the present application;

FIG. 2 is a side view of the present application;

FIG. 3 is a perspective view of the present application;

FIG. 4 is a perspective schematic view of an upper die mechanism of the present application;

FIG. 5 is a schematic perspective view of a lower die mechanism of the present application;

FIG. 6 is a schematic perspective view of the cooling device of the present application;

FIG. 7 is a perspective view of the jacking assembly of the present application;

FIG. 8 is a perspective view of FIG. 4 of the present application with the top plate removed;

FIG. 9 is a perspective view of the top plate of the present application;

fig. 10 is a perspective view of the present application in a material take-off state.

The reference numbers in the figures are:

1-a base; 1 a-a chute;

2-a demoulding component; 2 a-a cylinder; 2 b-a push plate;

3-a cooling device; 3 a-a first cooling assembly; 3a1 — first cooling jacket; 3a 2-first spoiler; 3a 3-a first conduit; 3a 4-first orifice; 3 b-a second cooling assembly;

4-a mold assembly; 4 a-an upper die mechanism; 4a 1-top fixed die; 4a 2-first vent; 4a 3-a first flow channel; 4a 4-moving the top die; 4a 5-locating posts; 4 b-a lower die mechanism; 4b 1-fixing a bottom die; 4b 2-a second flow channel; 4b 3-outer bottom die; 4b 4-locating holes;

5-a top plate; 5 a-a baffle; 5 b-second vent;

6-jacking assembly; 6 a-a hydraulic cylinder; 6 b-a slide block;

s-resin lenses.

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.

Referring to fig. 1 to 10: a resin lens injection mold capable of realizing high-efficiency cooling comprises a base 1, a cooling device 3, a mold assembly 4 and a top plate 5; the die assembly 4 comprises an upper die mechanism 4a and a lower die mechanism 4b, wherein the upper die mechanism 4a comprises a fixed top die 4a1 and a movable top die 4a4; the lower die mechanism 4b comprises a fixed bottom die 4b1 and an outer bottom die 4b3; the fixed top die 4a1 is fixedly arranged on the fixed top die 4a1, a first injection molding opening is formed in the fixed top die 4a1, a second injection molding opening matched with the fixed top die 4a1 is formed in the movable top die 4a4, and the axes of the first injection molding opening and the second injection molding opening are collinear; the fixed bottom die 4b1 is fixedly arranged on the outer bottom die 4b3, and the outer bottom die 4b3 is fixedly arranged on the base 1; the cooling device 3 comprises a first cooling assembly 3a, the first cooling assembly 3a further comprises a first cooling jacket 3a1, a first pipeline 3a3 and a first pipe orifice 3a4, the interior of the first cooling jacket 3a1 is hollow, a spiral first spoiler 3a2 is arranged in the first cooling jacket 3a1, the number of the first cooling jackets 3a1 is multiple, the first cooling jackets 3a1 are mutually communicated through the first pipeline 3a3, and the first pipeline 3a3 is fixedly connected with the first pipe orifice 3a 4; roof 5 sets up in the one end of last mode mechanism 4a, and roof 5 is fixed to be set up and is moving top mould 4a4 and keep away from the one end of deciding top mould 4a1, is equipped with the third mouth of moulding plastics that suits with the first mouth of moulding plastics on roof 5, and the third mouth of moulding plastics suits with the axis of the first mouth of moulding plastics.

The resin is injected into the mold through a third injection port on a top plate 5, the resin enters a fixed top mold 4a1 through a second injection port on a movable top mold 4a4, the resin is injected continuously into a cavity between the fixed top mold 4a1 and a fixed bottom mold 4b1, the injected resin can be cooled through a first cooling jacket 3a1 fixedly installed inside the fixed top mold 4a1 after the injection is completed, the axes of the first cooling jacket 3a1 and a resin lens S mold cavity are collinear, cooling liquid is injected into a first pipeline 3a3 through a first pipe orifice 3a4, the first pipeline 3a3 is communicated with each first cooling jacket 3a1, the cooling liquid enters the first cooling jacket 3a1 through a side hole in the cooling jacket, the cooling liquid flows along a first spiral flow plate 3a2, the cooling liquid flows from the first pipeline 3a3 on the other side of the first cooling jacket 3a1 to the next first cooling jacket 3a1, finally flows out of the first cooling jacket 3a4 through the first pipe orifice, the cooling liquid flows out of the first cooling jacket 3a3, the cooling liquid flows into a spiral flow plate 3 through a3, and flows out of the first cooling jacket 3a, and the cooling liquid in the first cooling lens S mold assembly, and the cooling liquid can be uniformly circulated in the first cooling jacket 3 a.

Referring to fig. 5 and 6: the lower die mechanism 4b is also fixedly provided with a second cooling component 3b, and the structure of the second cooling component 3b is the same as that of the first cooling component 3 a.

The second cooling assembly 3b is fixedly arranged inside the fixed bottom mold 4b1, the second cooling assembly 3b comprises a second cooling jacket, a second pipeline and a second pipe orifice, a second spoiler is further spirally arranged inside the second cooling jacket, the axes of the second cooling jacket and the first cooling jacket 3a1 are collinear, cooling liquid is injected into the second pipeline through the second pipe orifice and is communicated with the second cooling jackets, the cooling liquid enters the second cooling jacket through a side hole in the second cooling jacket and flows along the spirally arranged second spoiler, the cooling liquid flows into the next second cooling jacket from the second pipeline on the other side of the second cooling jacket and finally flows out through the second pipe orifice on the other side, the flowing cooling liquid continues to enter the second cooling assembly 3b for circulation after being cooled, the second cooling jacket is arranged outside the other end of the resin S in a semi-surrounding manner, and cooling is started from the upper side and the lower side of the resin S by arranging the second cooling assembly, so that the resin can uniformly cool the lenses S in the mold, and the lenses S can be cooled more uniformly.

Referring to FIG. 3: the top plate 5 is further provided with a baffle plate 5a, the baffle plate 5a is fixedly arranged at one end, far away from the upper die mechanism 4a, of the bottom plate, and the baffle plate 5a and the axis of the first injection molding opening are collinear.

Through setting up roof 5, make can be better in the in-process of moulding plastics pour into the mould with resin into, also prevent simultaneously that resin from pouring into too much and overflowing and flow at will, make the resin that overflows only flow in baffle 5a, be convenient for retrieve or clear up the resin that overflows from this.

Referring to fig. 8: decide and still seted up first exhaust hole 4a2 on the top mould 4a1, first exhaust hole 4a2 sets up the top at deciding top mould 4a1 die cavity, and first exhaust hole 4a2 link up decides top mould 4a1, and first exhaust hole 4a2 is the vertical setting of axis, moves and has seted up the hole that suits with first exhaust hole 4a2 on the top mould 4a 4.

Through setting up first exhaust hole 4a2, the bubble that the in-process that makes the resin pour into can be discharged through first exhaust hole 4a2, and the resin can produce the bubble at the in-process of pouring into, and the bubble can upwards float after the resin is static, and the bubble floats to the resin face on can the breakage, and the air in the bubble will be discharged along first exhaust hole 4a2, prevents that the bubble that produces in the process of pouring into is discharged and lead to the inside bubble that exists of resin lenses S after the cooling.

Referring to fig. 4 and 9: the top plate 5 is further provided with a second exhaust hole 5b, the second exhaust hole 5b is arranged at one end, close to the upper die mechanism 4a, of the top plate 5, the second exhaust hole 5b is horizontally arranged along the axis, and the second exhaust hole 5b is communicated with the first exhaust hole 4a 2.

Through setting up second exhaust hole 5b, turn to after making first exhaust hole 4a2 combustion gas reach roof 5, make the combustion gas discharge through the exhaust hole of horizontal setting on roof 5, prevent that steam from upwards spouting the workman of burning, also prevented simultaneously that the foreign matter from dropping to causing the exhaust hole to block up in the exhaust hole.

Referring to fig. 4 and 5: the fixed top die 4a1 is provided with a first flow passage 4a3, and the fixed bottom die 4b1 is provided with a second flow passage 4b2.

By arranging the first flow passage 4a3 and the second flow passage 4b2, a complete flow passage can be formed by the first flow passage 4a3 and the second flow passage 4b2 after the fixed top mold 4a1 and the fixed bottom mold 4b1 are attached, so that the resin injected from an injection port flows between the fixed top mold 4a1 and the fixed bottom mold 4b1 along the first flow passage 4a3 and the second flow passage 4b2, the first flow passage 4a3 and the second flow passage 4b2 are communicated with each mold cavity, the resin can flow directionally, the resin can not flow randomly between the fixed top mold 4a1 and the fixed bottom mold 4b1, the injection time is shortened, and the formed resin lens S can be prevented from generating flash.

Referring to fig. 4 and 5: the movable top die 4a4 is also provided with a positioning column 4a5, and the outer bottom die 4b3 is provided with a positioning hole 4b4; reference column 4a5 is equipped with a plurality ofly, and reference column 4a5 is the vertical setting of axis, and reference column 4a5 sets up the one end that is close to lower die mechanism 4b at movable top mould 4a4, and locating hole 4b4 is seted up at the one end that outer die block 4b3 is close to upper die mechanism 4a, and the quantity of locating hole 4b4 suits with the quantity of reference column 4a5, and locating hole 4b4 is the vertical setting of axis, and locating hole 4b4 and reference column 4a 5's axis collineation.

Through reference column 4a5 and locating hole 4b4 cooperate, it is more convenient to make the in-process of installing again after resin lenses S takes out, will move reference column 4a5 on top mould 4a4 and insert to outer bottom mould 4b3 on corresponding locating hole 4b4 in, will go up mould assembly and roof 5 and slowly put down the casing again, make the process of installation convenient from this, the precision of installation is higher.

Referring to fig. 7 and 10: the lower die mechanism 4b is also internally provided with a demoulding component which comprises a cylinder 2a and a push plate 2b; the cylinder 2a is fixedly arranged at one end of the base 1 close to the die component 4, the push plate 2b is fixedly arranged at the top end of the extending end of the cylinder 2a, and the shape of the push plate 2b is matched with that of the die cavity.

After the cooling of resin lens S is accomplished, upper die mechanism 4a is taken off, control cylinder 2a stretches out, cylinder 2a is the vertical setting of axis, the axis collineation of cylinder 2a and die cavity, cylinder 2a stretches out and will drive push pedal 2b and remove along the axis direction of die cavity, push pedal 2b will promote the resin lens S that the cooling was accomplished, be resin lens S and die cavity separation, be convenient for to taking out of resin lens S, the resin lens S adhesion that has prevented the cooling to accomplish is not convenient for take out on the mould, through setting up cylinder 2a and push pedal 2b, can be simple take out resin lens S, easy operation is convenient.

Referring to fig. 2, 3 and 10: the base 1 is also provided with a jacking assembly 6, and the jacking assembly 6 comprises a hydraulic cylinder 6a and an installation block; the mounting blocks are fixedly arranged on two sides of the base 1; the hydraulic cylinder 6a is arranged on the mounting block, and the extending end of the hydraulic cylinder 6a is fixedly connected with the top plate 5.

After the resin lens S is cooled, the hydraulic cylinder 6a is controlled to extend, the hydraulic cylinder 6a extends to drive the top plate 5 fixedly connected with the hydraulic cylinder to rise, the top plate 5 rises to drive the upper die mechanism 4a fixedly connected with the top plate to rise, the upper die mechanism 4a can take out the resin lens S inside after rising, after the resin lens S is taken out, the hydraulic cylinder 6a can be controlled to retract, the hydraulic cylinder 6a retracts to drive the upper die mechanism 4a to fall until the upper die mechanism 4a is abutted against the lower die mechanism 4b, the hydraulic cylinder 6a can enable the upper die mechanism 4a to be abutted against the lower die mechanism 4b firmly after being in place, a gap between the upper die mechanism 4a and the lower die mechanism 4b is compressed, injected resin cannot overflow from the gap between the upper die mechanism 4a and the lower die mechanism 4b, and the hydraulic cylinder 6a is arranged, so that the upper die mechanism 4a can automatically lift and the sealing between the dies is tighter.

Referring to fig. 10: the one end of pneumatic cylinder 6a and base 1 looks butt still is equipped with slider 6b, has still seted up spout 1a on the base 1, and spout 1a sets up along base 1 width direction, slider 6b and spout 1a sliding fit.

When the resin lens S is taken out after being cooled, the hydraulic cylinder 6a is controlled to extend out, the hydraulic cylinder 6a drives the upper die assembly to ascend, the jacking assembly 6 can be pushed when the positioning column 4a5 and the lower die assembly do not intersect, the sliding block 6b at the bottom end of the jacking assembly 6 can slide along the length direction of the sliding groove 1a, the resin lens S can be better taken out after the upper die mechanism 4a moves, the jacking assembly 6 can be pushed again after the resin lens S is taken out, the sliding block 6b can slide along the length direction of the sliding groove 1a until the positioning column 4a5 and the positioning hole 4b4 axially coincide to retract the control hydraulic cylinder 6a, the hydraulic cylinder 6a retracts to drive the upper die assembly to descend, the upper die mechanism 4a is abutted to the lower die mechanism 4b, and the resin lens S can be more conveniently taken out by arranging the sliding block 6 b.

The above examples only show one or more embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A resin lens injection mold capable of realizing efficient cooling is characterized by comprising a base (1), a cooling device (3), a mold assembly (4) and a top plate (5);

the die assembly (4) comprises an upper die mechanism (4 a) and a lower die mechanism (4 b), wherein the upper die mechanism (4 a) comprises a fixed top die (4 a 1) and a movable top die (4 a 4); the lower die mechanism (4 b) comprises a fixed die block (4 b 1) and an outer die block (4 b 3); the fixed top die (4 a 1) is fixedly arranged on the fixed top die (4 a 1), a first injection molding opening is formed in the fixed top die (4 a 1), a second injection molding opening matched with the fixed top die (4 a 1) is formed in the movable top die (4 a 4), and the axes of the first injection molding opening and the second injection molding opening are collinear; the fixed bottom die (4 b 1) is fixedly arranged on the outer bottom die (4 b 3), and the outer bottom die (4 b 3) is fixedly arranged on the base (1);

the cooling device (3) comprises a first cooling assembly (3 a), the first cooling assembly (3 a) further comprises a first cooling jacket (3 a 1), a plurality of first pipelines (3 a 3) and first pipe orifices (3 a 4), the interior of the first cooling jacket (3 a 1) is hollow, a spiral first spoiler (3 a 2) is arranged in the first cooling jacket (3 a 1), the first cooling jacket (3 a 1) is provided with a plurality of first cooling jackets, the first cooling jackets (3 a 1) are communicated with one another through the first pipelines (3 a 3), and the first pipelines (3 a 3) are fixedly connected with the first pipe orifices (3 a 4);

roof (5) set up the one end at last mold mechanism (4 a), and roof (5) are fixed to be set up and move top mould (4 a 4) and keep away from the one end of deciding top mould (4 a 1), are equipped with the third mouth of moulding plastics that suits with first mouth of moulding plastics on roof (5), and the third mouth of moulding plastics suits with the axis of first mouth of moulding plastics.

2. The resin lens injection mold capable of achieving high-efficiency cooling according to claim 1, wherein a second cooling component is further fixedly arranged on the lower mold mechanism (4 b), and the second cooling component has the same structure as the first cooling component (3 a).

3. The resin lens injection mold capable of achieving efficient cooling according to claim 1, wherein a baffle (5 a) is further arranged on the top plate (5), the baffle (5 a) is fixedly arranged at one end, away from the upper mold mechanism (4 a), of the bottom plate, and the baffle (5 a) is collinear with an axis of the first injection port.

4. The resin lens injection mold capable of achieving efficient cooling according to claim 1, wherein the top fixing mold (4 a 1) is further provided with a first exhaust hole (4 a 2), the first exhaust hole (4 a 2) is formed in the top end of the mold cavity of the top fixing mold (4 a 1), the first exhaust hole (4 a 2) penetrates through the top fixing mold (4 a 1), the first exhaust hole (4 a 2) is vertically arranged in an axis direction, and the top moving mold (4 a 4) is provided with a hole corresponding to the first exhaust hole (4 a 2).

5. The resin lens injection mold capable of realizing efficient cooling according to claim 1, wherein a second exhaust hole (5 b) is further formed in the top plate (5), the second exhaust hole (5 b) is formed in one end, close to the upper mold mechanism (4 a), of the top plate (5), the second exhaust hole (5 b) is horizontally arranged in an axial direction, and the second exhaust hole (5 b) is communicated with the first exhaust hole (4 a 2).

6. The resin lens injection mold capable of achieving high-efficiency cooling according to claim 1, wherein the top-fixed mold (4 a 1) is provided with a first runner (4 a 3), and the bottom-fixed mold (4 b 1) is provided with a second runner (4 b 2).

7. The resin lens injection mold capable of realizing efficient cooling according to claim 1, wherein the movable top mold (4 a 4) is further provided with a positioning column (4 a 5), and the outer bottom mold (4 b 3) is provided with a positioning hole (4 b 4);

a plurality of positioning columns (4 a 5) are arranged, the positioning columns (4 a 5) are arranged vertically, and the positioning columns (4 a 5) are arranged at one end of the movable top die (4 a 4) close to the lower die mechanism (4 b);

the positioning holes (4 b 4) are formed in one end, close to the upper die mechanism (4 a), of the outer bottom die (4 b 3), the number of the positioning holes (4 b 4) is matched with the number of the positioning columns (4 a 5), the positioning holes (4 b 4) are vertically arranged along the axis, and the positioning holes (4 b 4) are collinear with the axis of the positioning columns (4 a 5).

8. The resin lens injection mold capable of achieving efficient cooling according to claim 1, wherein the lower mold mechanism (4 b) is further provided with a demolding assembly, and the demolding assembly comprises a cylinder (2 a) and a push plate (2 b);

the cylinder (2 a) is fixedly arranged at one end of the base (1) close to the die assembly (4);

the push plate (2 b) is fixedly arranged at the top end of the extending end of the cylinder (2 a), and the shape of the push plate (2 b) is adapted to the shape of the die cavity.

9. The resin lens injection mold capable of realizing efficient cooling according to claim 1, wherein the base (1) is further provided with a jacking assembly (6), and the jacking assembly (6) comprises a hydraulic cylinder (6 a) and a mounting block;

the mounting blocks are fixedly arranged on two sides of the base (1);

the hydraulic cylinder (6 a) is arranged on the mounting block, and the extending end of the hydraulic cylinder (6 a) is fixedly connected with the top plate (5).

10. The resin lens injection mold capable of achieving efficient cooling according to claim 1, wherein a sliding block (6 b) is further arranged at one end, abutted to the base (1), of the hydraulic cylinder (6 a), a sliding groove (1 a) is further formed in the base (1), the sliding groove (1 a) is formed in the width direction of the base (1), and the sliding block (6 b) is in sliding fit with the sliding groove (1 a).