Bending die for polarized lens

Abstract

The utility model discloses a bending die for polarized lenses, which belongs to the technical field of polarized lens production and is characterized in that a support block is fixedly mounted at the bottom of a die body, a bottom plate is fixedly mounted at the bottom of the support block, a guide rod is arranged on the surface of the die body, and a pressing plate is slidably connected to the surface of the guide rod; the bottom of the pressing plate is detachably connected with an upper mold core and a telescopic rod, a receding groove is defined by the mold body, the supporting block and the bottom plate, the bottom of the receding groove is fixedly connected with a sliding rod, the surface of the sliding rod is slidably connected with a sliding hole, the outer side of the sliding rod is sleeved with a spring, and one end of the sliding rod is fixedly provided with a lifting plate. By means of the lifting plate, the pressing rod, the sliding rod and the spring, the lower mold core can be automatically ejected out for taking after mold opening, the production cost is greatly reduced, the lower mold core and the upper mold core have the splitting and combining functions, the mold cores of different sizes can share the mold, and the cost of the mold is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to polarizing lens production technical field more specifically, relate to a kind of for polarizing lens's press bending mould. BACKGROUND

[0002] Polarizing lens is the lens that only allows the light of certain specific polarization direction in natural light to pass through, due to its filtering effect, press bending mould needs to be used in the production process of polarizing lens, but, the press bending mould commonly used can only press bend the lens of fixed size, so that different sizes of polarizing lens need to use different press bending moulds when processing, increase mould cost, and lens ejection mechanism needs to consume electric energy, improve production cost.

[0003] For example, the announcement No.CN220409605U discloses a kind of polarizing lens press bending mould, including lower die base, it is set in the top of the base, the upper end of the lower die base is provided with die cavity, the inside of the die cavity is provided with die core, the upper end of the die core is provided with arc slot;Beam plate is set in the top of the lower die base, the both sides of the beam plate are provided with connecting block, the both sides of the lower die base are provided with first electric telescopic rod, the base and lower die base are provided with buffer connecting plate between.

[0004] From the above-mentioned disclosure scheme, it can be known that the die core and core column provided by the mould are fixed structure, only the polarizing lens of fixed size can be processed, different moulds need to be used when processing different polarizing lenses, increase mould cost, and the mould is ejected by second electric telescopic rod after opening, not only reduce ejection efficiency, but also additional increase the consumption of electric energy, improve production cost. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model aims at providing a kind of press bending mould for polarizing lens, the press bending mould for polarizing lens, by the setting of lifting plate, press bar, slide bar and spring, can automatically eject lower die core after opening and take out, greatly reduce production cost, and the lower die core and upper die core provided with the function of split combination can make different sizes of die core share mould, greatly reduce the cost of mould.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] The utility model provides a kind of press bending mould for polarizing lens, including mould body, the bottom of the mould body is fixedly installed with support block, the bottom of the support block is fixedly installed with bottom plate, the surface of the mould body is provided with guide rod, the surface of the guide rod is slidably connected with pressing plate, the bottom of the pressing plate is detachably connected with upper mould core and telescopic rod, the mould body, support block and bottom plate are enclosed with avoid slot, the bottom of the avoid slot is fixedly connected with slide rod, the surface of the slide rod is slidably connected with slide hole, the outer side of the slide rod is sleeved with spring, one end of the slide rod is fixedly installed with lifting plate, the center position of the lifting plate is detachably connected with lower mould core, the surface of the lifting plate is fixedly connected with pressure rod, the press bending mould for polarizing lens, by setting lifting plate, pressure rod, slide rod and spring, can be automatically ejected lower mould core after opening mould and taking piece, greatly reduce production cost, and setting lower mould core and upper mould core have the function of split combination, can make different size mould core share mould, greatly reduce the cost of mould.

[0008] Further, the inside of the lower mould core is provided with an electric heating assembly, the inside of the upper mould core is provided with a heating cavity, one end of the lower mould core and the upper mould core is provided with a connecting part, the outer side of the lower mould core and the upper mould core is provided with an anti-skid part, which facilitates the user to rotate and disassemble the lower mould core and the upper mould core by using a wrench.

[0009] Further, the surface of the bottom plate and the support block is provided with a coaxial hole, a connecting screw rod is movably sleeved in the hole, and the bottom of the mould body is provided with a screw hole, which facilitates the assembly of the lifting plate and the later maintenance.

[0010] Further, the lower mould core and the upper mould core are made of heat-conducting metal, one end of the lower mould core is provided with a cavity, and one end of the upper mould core is provided with a bending head, which facilitates the bending of the lens in the cavity.

[0011] Further, the center position of the lifting plate and the pressing plate is provided with a connecting groove, the inner wall of the connecting groove is provided with an internal thread, and one end of the connecting groove is communicated with a through hole, the through hole of the lifting plate facilitates the passage of wires and the drainage, and the through hole of the pressing plate facilitates the entry of heating steam into the upper mould core.

[0012] Further, the center position of the mould body is provided with a center hole, and the lower mould core is located in the center hole.

[0013] Further, the side surface of the support block is provided with a side hole, and one end of the side hole is provided with an electric control panel, which facilitates the arrangement of wires of the electric control panel.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] (1) The lifting plate, the pressing rod, the sliding rod and the spring are arranged, so that the lower mold core can be automatically pushed out after the mold is opened, and the workpiece can be taken out, and the production cost is greatly reduced.

[0016] (2) The lower mold core and the upper mold core are arranged to have the function of being separated and combined, so that mold cores of different sizes can share the mold, and the cost of the mold is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an overall structure perspective view of the utility model;

[0018] Figure 2 It is an overall structure front view of the utility model;

[0019] Figure 3 It is Figure 2 a lifting plate structure perspective view;

[0020] Figure 4 It is Figure 1 a lower mold core structure perspective view;

[0021] Figure 5 It is Figure 1 a bottom plate and support block structure perspective view.

[0022] Mark explanation in the drawing:

[0023] 1 mold body, 11 center hole, 12 bottom plate, 13 support block, 14 air clearance groove, 15 connecting screw rod, 16 guide rod, 17 side hole, 18 electric control panel, 19 telescopic rod, 2 lower mold core, 21 anti-skid part, 22 cavity, 23 connecting part, 3 upper mold core, 4 lifting plate, 41 connecting groove, 42 through hole, 43 sliding hole, 44 pressing rod, 5 sliding rod, 51 spring, 6 pressing plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment 1

[0026] Please refer to Figures 1-5The utility model relates to a kind of press bending mould for polarizing lens, including mould body 1, the central position of mould body 1 is provided with center hole 11, lower mould core 2 is in center hole 11, the bottom of mould body 1 is fixedly installed with support block 13, the side of support block 13 is equipped with side hole 17, one end of side hole 17 is equipped with electric control panel 18, side hole 17 is convenient for the arrangement of electric control panel 18 wire, the bottom of support block 13 is fixedly installed with bottom plate 12, the surface of mould body 1 is provided with guide rod 16, the surface of guide rod 16 is slidably connected with pressing plate 6, pressing plate 6 side is equipped with air inlet connector, and air inlet connector is connected with air inlet, air inlet is connected with upper mould core 3, and upper mould core 3 is heated by steam, its composition structure and working principle belong to the familiar of the person skilled in the art, here will not carry out detailed description, the bottom of pressing plate 6 is detachably connected with upper mould core 3 and telescopic rod 19, telescopic rod 19 is electric telescopic rod, and electrically connected with electric control panel 18 by wire, mould body 1, support block 13 and bottom plate 12 are enclosed with avoid air slot 14, the bottom of avoid air slot 14 is fixedly connected with slide rod 5, the surface of slide rod 5 is slidably connected with slide hole 43, spring 51 is sleeved on the outside of slide rod 5, one end of slide rod 5 is fixedly installed with lifting plate 4, the central position of lifting plate 4 is detachably connected with lower mould core 2, the bottom of lower mould core 2 is provided with connecting wire, is convenient for being connected with external power supply, lower mould core 2 is heated by electric heating, and then the lens in cavity 22 is heated and press bends, and its heating component and principle belong to the familiar of the person skilled in the art, the surface of lifting plate 4 is fixedly connected with pressure rod 44.

[0027] The inside of lower mould core 2 is equipped with electric heating component, the inside of upper mould core 3 is equipped with heating cavity, one end of lower mould core 2 and upper mould core 3 is equipped with connecting portion 23, the outside of lower mould core 2 and upper mould core 3 is equipped with anti -skid portion 21, anti -skid portion 21 is convenient for user to rotate and dismount lower mould core 2 and upper mould core 3 by wrench, the surface of bottom plate 12 and support block 13 is equipped with coaxial hole, connecting screw 15 is movably sleeved in hole, the bottom of mould body 1 is provided with screw hole, is convenient for the assembly of lifting plate 4 and later maintenance.

[0028] Lower mould core 2 and upper mould core 3 are made of heat-conducting metal, one end of lower mould core 2 is equipped with cavity 22, one end of upper mould core 3 is equipped with press bending head, is convenient for the lens in cavity 22 to be press bent, the central position of lifting plate 4 and pressing plate 6 is equipped with connecting groove 41, the inner wall of connecting groove 41 is equipped with internal thread, one end of connecting groove 41 is communicated with through-hole 42, the through-hole 42 of lifting plate 4 is convenient for wire passing and drainage, the through-hole 42 of pressing plate 6 is convenient for heating steam to enter upper mould core 3.

[0029] The press bending mold for polarized lens is used in the following way: first, the lens is placed in the cavity 22, then the telescopic rod 19 is controlled to shrink downwards, at this time the pressing plate 6 moves downwards, the pressing plate 6 drives the upper mold core 3 to move downwards, the upper mold core 3 is in communication with the steam to complete heating at this time, at the same time, the upper mold core 3 moves downwards and contacts and extrudes the lower mold core 2, the lower mold core 2 is heated by electric heating to complete heating and the heating of the lens, the pressing plate 6 extrudes the pressing rod 44 in the process of the upper mold core 3 moving downwards, so as to avoid the over-extrusion of the lens by the upper mold core 3, at this time, the lifting plate 4 is extruded downwards by the lower mold core 2 and the pressing rod 44, and then the spring 51 is extruded, the spring 51 generates compression elastic force after being extruded, at this time, the mold is closed, after the bending of the lens is completed, the telescopic rod 19 is stretched upwards to open the mold, in the process of opening the mold, the spring 51 releases the elastic force, so that the lower mold core 2 is reset upwards, at the same time, the bent lens protrudes from the surface of the mold body 1, and the staff can take it out, the lifting plate 4, the pressing rod 44, the slide rod 5 and the spring 51 are arranged, so that the lower mold core 2 can be automatically ejected after the mold is opened to take out the lens, which greatly reduces the production cost, and the lower mold core 2 and the upper mold core 3 are detachable, so that the mold cores of different sizes can share the mold, which greatly reduces the cost of the mold.

[0030] The above is only a preferred embodiment of the present application; the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A press-bending mold for polarized lenses, comprising a mold body (1), characterized in that: The bottom of the mold body (1) is fixedly installed with a supporting block (13), the bottom of the supporting block (13) is fixedly installed with a bottom plate (12), the surface of the mold body (1) is provided with a guide rod (16), the surface of the guide rod (16) is slidably connected with a pressing plate (6), the bottom of the pressing plate (6) is detachably connected with an upper mold core (3) and a telescopic rod (19), the mold body (1), the supporting block (13) and the bottom plate (12) are enclosed with an empty slot (14), the bottom of the empty slot (14) is fixedly connected with a sliding rod (5), the surface of the sliding rod (5) is slidably connected with a sliding hole (43), the outer side of the sliding rod (5) is sleeved with a spring (51), one end of the sliding rod (5) is fixedly installed with a lifting plate (4), the center position of the lifting plate (4) is detachably connected with a lower mold core (2), the surface of the lifting plate (4) is fixedly connected with a pressing rod (44).

2. A press-bend mold for polarized lenses according to claim 1, characterized in that: The inside of the lower mold core (2) is provided with an electric heating assembly, the inside of the upper mold core (3) is provided with a heating cavity, one end of the lower mold core (2) and the upper mold core (3) is provided with a connecting part (23), the outer side of the lower mold core (2) and the upper mold core (3) is provided with an anti-skid part (21).

3. The press-bend mold for polarized lenses according to claim 1, wherein: The surface of the bottom plate (12) and the supporting block (13) is provided with coaxial holes, the holes are movably sleeved with connecting screws (15), the bottom of the mold body (1) is provided with screw holes.

4. The press-bend mold for polarized lenses of claim 1, wherein: The lower mold core (2) and the upper mold core (3) are made of heat-conducting metal, one end of the lower mold core (2) is provided with a cavity (22), one end of the upper mold core (3) is provided with a bending head.

5. The press-bend mold for polarized lenses according to claim 1, wherein: The center position of the lifting plate (4) and the pressing plate (6) is provided with a connecting groove (41), the inner wall of the connecting groove (41) is provided with an internal thread, one end of the connecting groove (41) is communicated with a through hole (42).

6. A press-bend mold for polarized lenses according to claim 1, characterized in that: The center position of the mold body (1) is provided with a center hole (11), the lower mold core (2) is in the center hole (11).

7. The press-bend mold for polarized lenses of claim 1, wherein: The side surface of the supporting block (13) is provided with a side hole (17), one end of the side hole (17) is provided with an electric control panel (18).

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