Double-color IML LENS with transparent outer ring and production mold of double-color IML LENS

Abstract

The invention discloses an outer ring transparent double-color IML LENS and a production mold thereof, the outer ring transparent double-color IML LENS comprises a transparent surface layer, a transparent film and a back surface layer which are sequentially arranged from top to bottom, the transparent surface layer, the transparent film and the back surface layer are injection-molded together, and the outer diameters of the transparent surface layer, the transparent film and the back surface layer are the same; a black ink layer is arranged on one side, close to the back layer, of the transparent film, a hollow character display part is arranged on the black ink layer, and a light-transmitting ink layer is arranged in the character display part. The transparent effect of the LENS outer ring is achieved, and characters and light rings of different colors can be printed according to requirements. The design not only meets diversified appearance requirements, but also effectively solves the problem that the appearance is influenced by water absorption of gaps and the problems of breakage and black lines of the edge of the outer ring through the combination of a multi-layer structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile accessories, in particular to a transparent double-color IML LENS with an outer ring and a production mold thereof. BACKGROUND

[0002] The outer ring of the LENS is transparent, and different colors are required in various configurations when the light source is not lit, and the visible circle changes with the color of the light source when the light source is lit, while the characters in the center part are required to be lightproof when lit. The existing part assembly structure adopts a split tight assembly method, and the appearance and thickness are difficult to meet the requirements, and there are gaps between the parts, which cannot solve the problem of water absorption affecting the appearance of the gap, and cannot solve the problem of edge fault and black line of the outer ring of the part. SUMMARY

[0003] The purpose of the present application is to provide a transparent double-color IML LENS with an outer ring and a production mold thereof, which realizes the transparent effect of the outer ring of the LENS and can print characters and circles of different colors according to requirements. This design not only meets the requirements of diversified appearance, but also effectively solves the problem of water absorption affecting the appearance of the gap, and the problem of edge fault and black line of the outer ring through the combination of multi-layer structure.

[0004] To achieve the above purpose, the present application provides the following technical scheme: a transparent double-color IML LENS with an outer ring, comprising a transparent surface layer, a transparent film and a back layer arranged in order from top to bottom, the transparent surface layer, the transparent film and the back layer are injection molded together, and the outer diameters of the transparent surface layer, the transparent film and the back layer are the same, the side of the transparent film close to the back layer is provided with a black ink layer, the black ink layer is provided with a hollow character display part, and the character display part is provided with a light transmission ink layer.

[0005] The present application is further provided that the outer diameter of the black ink layer is smaller than the outer diameter of the back layer, so that the area between the outer diameters of the transparent surface layer, the transparent film and the back layer and the outer diameter of the black ink layer forms a visible circle area.

[0006] The present application is further provided that the middle part of the back layer is provided with a through hole, the orthographic projection of the character display part is in the area of the through hole, and the character display part and the position corresponding to the character display part on the transparent surface layer and the transparent film form a visible character area.

[0007] The present application is further provided that the back layer is solid, and the character display part and the position corresponding to the character display part on the transparent surface layer and the transparent film form a visible character area.

[0008] The present application is further provided that the side of the back layer away from the transparent film is provided with a plurality of inverted hook feet.

[0009] The back layer of the present application is provided with at least two positioning protrusions away from the side of the transparent film.

[0010] By adopting the above technical scheme, the outer circle transparent double-color IML LENS adopts transparent material for the surface layer of the LENS, hollows for printing the middle characters and the aperture in the IML ink, adopts any color ink required for printing the bottom layer, and adopts any light-transmitting base material for the back layer of the LENS, so that different color characters and apertures can be printed according to requirements. This design not only meets the diversified appearance requirements, but also effectively solves the problems of water absorption affecting the appearance, edge dissection and black line of the outer circle through the combination of the multi-layer structure (injection molding).

[0011] The present application also discloses a production mold of the outer circle transparent double-color IML LENS, which comprises a first mold for injection molding the transparent surface layer and the transparent film together to form a semi-finished product, and a second mold for injection molding the semi-finished product and the back layer together to form a finished product. The first mold comprises a first lower mold and a first upper mold, the first lower mold comprises a first bottom plate, a first support seat arranged on the first bottom plate, a first lower mold seat arranged on the first support seat, and a first lower mold plate arranged on the first lower mold seat, the first lower mold seat is provided with a first lower positioning groove for embedding the first lower mold plate, the first lower mold plate is provided with a first film groove for placing the transparent film and a first feeding groove in communication with the first film groove, and the inner end of the first film groove is provided with a first surface layer cavity for forming the transparent surface layer; the first upper mold comprises a first top plate, a first heating seat arranged on the first top plate, a first upper mold seat arranged at the bottom of the first heating seat, a first upper mold plate arranged at the bottom of the first upper mold seat, and a first injection pipe penetrating the first top plate, the first heating seat, the first upper mold seat and the first upper mold plate in sequence, the first upper mold seat is provided with a first upper positioning groove for embedding the first upper mold plate, when the first upper mold seat is attached to the first lower mold seat, the first upper mold plate abuts against the first lower mold plate, and the first upper mold plate presses the transparent film tightly in the first film groove, and the first injection pipe penetrates the transparent film and is in communication with the first feeding groove. The second mold comprises a second lower mold and a second upper mold, the second lower mold comprises a second bottom plate, a second support seat arranged on the second bottom plate, a second lower mold seat arranged on the second support seat, and a second lower mold plate arranged on the second lower mold seat, the second lower mold seat is provided with a second lower positioning groove for embedding the second lower mold plate, the second lower mold plate is provided with a second film groove for placing a transparent film and a second surface layer cavity for embedding a transparent surface layer; the second upper mold comprises a second top plate, a second heating seat arranged on the second top plate, a second upper mold seat arranged at the bottom of the second heating seat, a second upper mold plate arranged at the bottom of the second upper mold seat, and a second injection pipe sequentially penetrating through the second top plate, the second heating seat, the second upper mold seat and the second upper mold plate, the second upper mold seat is provided with a second upper positioning groove for embedding the second upper mold plate, the lower end of the second upper mold plate is provided with a back cavity for forming a back layer and a second feeding groove communicating with the second back cavity, the inner end of the second back cavity is provided with a barb groove for forming a barb and a cylindrical groove for forming a positioning protrusion, when the second upper mold seat is matched with the second lower mold seat, the second upper mold plate abuts against the second lower mold plate, and the second upper mold plate presses the transparent film tightly in the second film groove, and the second injection pipe communicates with the second feeding groove.

[0012] The first lower mold and the second lower mold are respectively provided with a first ejection mechanism and a second ejection mechanism for ejecting a semi-finished product and a finished product, and the first ejection mechanism and the second ejection mechanism are the same in structure. The first ejection mechanism comprises a push-down plate, a push-up plate, a plurality of push rods and a plurality of reset assemblies, the push-down plate is used for being connected with an external driving part, the lower end of the push rod is in an inverted T-shaped structure, the push-down plate and the push-up plate are connected through fasteners, and a first inverted T-shaped groove for positioning the lower end of the push rod is arranged between the push-down plate and the push-up plate, a plurality of push grooves for the transparent surface layer raw material to enter are arranged at positions corresponding to the outer periphery of the first surface layer cavity in the first film groove, and the number of the push grooves is equivalent to the number of the push rods, the upper end of the push rod sequentially penetrates through the first lower mold seat and the first lower mold plate, and is used for pushing into the corresponding push groove to eject the formed semi-finished product when going up; the reset assembly comprises a reset guide rod and a reset spring, the lower end of the reset guide rod is in an inverted T-shaped structure, a second inverted T-shaped groove for positioning the lower end of the reset guide rod is arranged between the push-down plate and the push-up plate, the upper end of the reset guide rod penetrates through the second lower mold seat, the reset spring is sleeved on the outer periphery of the reset guide rod, and the two ends of the reset spring respectively abut against the second lower mold seat and the push-up plate.

[0013] The application is further provided with a demolding mechanism, the demolding mechanism comprises a movable seat, a linkage rod, a locking assembly and a plurality of mold rods, the second upper mold seat is provided with a movable cavity, and the movable seat is vertically movably arranged in the movable cavity; the locking assembly comprises a locking seat, two locking marbles and two locking springs, the second lower positioning groove is provided with a positioning recess at an inner end, the locking seat is embedded in the positioning recess, a insertion hole is vertically arranged in the middle of the locking seat, two limiting guide grooves are symmetrically arranged at positions corresponding to both sides of the insertion hole, the limiting guide grooves are partially overlapped with the insertion hole, the locking marbles are movably arranged in the corresponding limiting guide grooves, the locking springs act on the corresponding locking marbles, so that the two locking marbles have a tendency to move towards each other, the upper end of the linkage rod is connected to the movable seat, two arc-shaped grooves are symmetrically arranged on the lower end side of the linkage rod, when the second upper mold and the second lower mold are matched, the lower end of the linkage rod penetrates through the second upper mold plate and the second lower mold plate and is inserted into the insertion hole of the locking seat, so that the inner ends of the two locking marbles are respectively clamped into the arc-shaped grooves on both sides of the linkage rod; the upper end of the mold rod is connected to the movable seat, the second lower mold plate is provided with a mold hole for inserting the mold rod, one side of the lower end of the mold rod is provided with a first half mold groove, the inner side of the lower end of the mold hole is provided with a second half mold groove corresponding to the first half mold groove, the first half mold groove and the second half mold groove combine to form the barb groove, when the second upper mold moves upwards, the mold rod extends downwards out of the mold hole, when the second upper mold moves downwards and abuts against the second lower mold, the mold rod moves upwards and is just retracted into the mold hole.

[0014] The application is further provided with a demolding mechanism, the demolding mechanism comprises a movable seat, a linkage rod, a locking assembly and a plurality of mold rods, the second upper mold seat is provided with a movable cavity, and the movable seat is vertically movably arranged in the movable cavity; the locking assembly comprises a locking seat, two locking marbles and two locking springs, the second lower positioning groove is provided with a positioning recess at an inner end, the locking seat is embedded in the positioning recess, a insertion hole is vertically arranged in the middle of the locking seat, two limiting guide grooves are symmetrically arranged at positions corresponding to both sides of the insertion hole, the limiting guide grooves are partially overlapped with the insertion hole, the locking marbles are movably arranged in the corresponding limiting guide grooves, the locking springs act on the corresponding locking marbles, so that the two locking marbles have a tendency to move towards each other, the upper end of the linkage rod is connected to the movable seat, two arc-shaped grooves are symmetrically arranged on the lower end side of the linkage rod, when the second upper mold and the second lower mold are matched, the lower end of the linkage rod penetrates through the second upper mold plate and the second lower mold plate and is inserted into the insertion hole of the locking seat, so that the inner ends of the two locking marbles are respectively clamped into the arc-shaped grooves on both sides of the linkage rod; the upper end of the mold rod is connected to the movable seat, the second lower mold plate is provided with a mold hole for inserting the mold rod, one side of the lower end of the mold rod is provided with a first half mold groove, the inner side of the lower end of the mold hole is provided with a second half mold groove corresponding to the first half mold groove, the first half mold groove and the second half mold groove combine to form the barb groove, when the second upper mold moves upwards, the mold rod extends downwards out of the mold hole, when the second upper mold moves downwards and abuts against the second lower mold, the mold rod moves upwards and is just retracted into the mold hole.

[0015] By adopting the above technical scheme, the injection molding production of the transparent double-color IML LENS can be realized, the structural strength is high, the production is efficient and convenient, the problems of water absorption affecting appearance caused by gaps and the problems of edge fault and black line of the outer circle are effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the whole product of embodiment 1; Figure 2 It is a structure schematic view of scheme one of embodiment 1; Figure 3 It is a structure schematic view of scheme two of embodiment 1; Figure 4 Structure diagram of the first mold for Example 2; Figure 5 Structure diagram of the second mold for Example 2; Figure 6 Sectional view of the first mold for Example 2; Figure 7 Structure diagram of the first lower mold for Example 2; Figure 8 Structure diagram of the first upper mold for Example 2; Figure 9 First view sectional view of the second mold for Example 2; Figure 10 Second view sectional view of the second mold for Example 2; Figure 11 Structure diagram of the second lower mold for Example 2; Figure 12 Structure diagram of the second upper mold for Example 2; Figure 13 Structure diagram of Figure 12 A portion of Example 2.

[0017] In the figure: 1, transparent surface layer; 2, transparent film; 3, back layer; 4, black ink layer; 5, character display part; 6, light transmission ink layer; 7, visible light circle area; 8, through hole; 9, visible character area; 10, barb foot; 11, positioning protrusion; 12, first mold; 13, second mold; 14, first lower mold; 15, first upper mold; 16, first bottom plate; 17, first support seat; 18, first lower mold seat; 19, first lower mold plate; 20, first lower positioning groove; 21, first film groove; 22, first feeding groove; 23, first surface layer cavity; 24, first top plate; 25, first heating seat; 26, first upper mold seat; 27, first upper mold plate; 28, first injection pipe; 29, first upper positioning groove; 30, second lower mold; 31, second upper mold; 32, second bottom plate; 33, second support seat; 34, second lower mold seat; 35, second lower mold plate; 36, second lower positioning groove; 37, second film groove; 38, second top plate; 39, second heating seat; 40, second upper mold seat; 41, second upper mold plate; 42, second injection pipe; 43, second upper positioning groove; 44, back cavity; 45, second feeding groove; 46, barb groove; 47, cylindrical groove; 48, first ejection mechanism; 49, push-down plate; 50, push-up plate; 51, push rod; 52, reset assembly; 53, first inverted T-shaped groove; 54, push groove; 55, reset guide rod; 56, reset spring; 57, demolding mechanism; 58, movable seat; 59, linkage rod; 60, locking assembly; 61, mold rod; 62, movable cavity; 63, locking seat; 64, locking marble; 65, locking spring; 66, positioning recess; 67, jack; 68, limiting guide groove; 69, arc-shaped groove; 70, mold hole; 71, first half mold groove; 72, second half mold groove; 73, first upper cooling channel; 74, first lower cooling channel; 75, first air channel; 76, second upper cooling channel; 77, second lower cooling channel; 78, second air channel; 79, second surface layer cavity; 80, second ejection mechanism. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Embodiment 1: as shown in the accompanying Figures 1-3The outer circle transparent double-color IML LENS shown comprises a transparent surface layer 1, a transparent film 2 and a back layer 3 arranged in sequence from top to bottom, the transparent surface layer 1, the transparent film 2 and the back layer 3 are injection molded together, and the outer diameters of the three are the same, the transparent film 2 is provided with a black ink layer 4 on the side close to the back layer 3, the black ink layer 4 is provided with a hollow character display part 5, and the character display part 5 is provided with a light-transmitting ink layer 6. The outer circle transparent double-color IML LENS, the surface layer of the LENS is made of transparent material, the characters in the middle and the aperture are hollow in the IML ink printing, the printing bottom layer is made of any color ink required, the back layer 3 of the LENS is made of any light-transmitting base material, different appearance requirements are realized, and all-around individual needs are met.

[0020] The outer diameter of the black ink layer 4 is smaller than the outer diameter of the back layer 3, so that the area between the outer diameters of the transparent surface layer 1, the transparent film 2 and the back layer 3 and the outer diameter of the black ink layer 4 forms a visible aperture area 7.

[0021] For light source and no light source, the embodiment has the following two schemes: As shown in the accompanying Figure 2 The scheme one (the characters and the aperture can be light-separated under the light source, and can be any color when the light source is not lit, different appearance requirements are realized to meet all-around individual needs): the structure is that the middle part of the back layer 3 is provided with a through hole 8, the orthographic projection of the character display part 5 is in the area region of the through hole 8, and the character display part 5 and the positions corresponding to the character display part 5 on the transparent surface layer 1 and the transparent film 2 form a visible character area 9. That is, the transparent surface layer 1 is made of transparent material, the transparent film 2 is an IML film piece, the characters of the black ink layer 4 are hollow, the color of the middle characters can be any color, the back layer 3 is any color which can transmit light, and the LENS can be in the original color under no light source and change color with the light source.

[0022] As shown in the accompanying Figure 3 The scheme two (the characters and the aperture are any color under no light source requirement, and different appearance requirements can be realized to reduce cost): the structure is that the back layer 3 is solid, the character display part 5 and the positions corresponding to the character display part 5 on the transparent surface layer 1 and the transparent film 2 form a visible character area 9. That is, the transparent surface layer 1 is made of transparent material, the transparent film 2 is an IML film piece, the characters of the black ink layer 4 are hollow, the color of the middle characters can be any color, the back layer 3 is any color which can transmit light, and the LENS can realize the material requirement of different colors of the outer circle.

[0023] As shown in the accompanying Figure 1 The side of the back layer 3 away from the transparent film 2 is provided with a plurality of barbed feet 10, and the barbed feet 10 are used for later installation.

[0024] As shown in the accompanyingFigure 1 As shown, the back layer 3 away from the side of the transparent film 2 is provided with at least two positioning protrusions 11, and the positioning protrusions 11 are used for late positioning fitting.

[0025] By adopting the above scheme, the outer circle transparent double-color IML LENS, the surface layer of the LENS adopts transparent material, the middle characters and the aperture in the IML ink printing adopt hollowing, the printing bottom layer adopts any color ink required, and the back layer 3 of the LENS adopts any base material with light transmission, so that different color characters and apertures can be printed according to requirements. This design not only meets the diversified appearance requirements, but also effectively solves the problems of gap water absorption affecting the appearance and the edge fault and black line of the outer circle through the combination of the multi-layer structure (injection molding processing).

[0026] Embodiment 2: as shown in the accompanying Figures 4-13 The application also discloses a production mold of the outer circle transparent double-color IML LENS, as shown in the accompanying Figure 2 The production mold comprises a first mold 12 for injection molding the transparent surface layer 1 and the transparent film 2 together to form a semi-finished product and a second mold 13 for injection molding the semi-finished product and the back layer 3 together to form a finished product; The first mold 12 comprises a first lower mold 14 and a first upper mold 15, the first upper mold 15 is connected with a driving device (such as an oil cylinder), the first upper mold 15 is driven by the driving device to move close to or away from the first lower mold 14, the first lower mold 14 comprises a first bottom plate 16, a first support base 17 arranged on the first bottom plate 16, a first lower mold base 18 arranged on the first support base 17 and a first lower mold plate 19 arranged on the first lower mold base 18, the first lower mold base 18 is provided with a first lower positioning groove 20 for embedding the first lower mold plate 19, the first lower mold plate 19 is provided with a first film groove 21 for placing the transparent film 2 and a first feeding groove 22 in communication with the first film groove 21, and an inner end of the first film groove 21 is provided with a first surface layer cavity 23 for forming the transparent surface layer 1; the first upper mold 15 comprises a first top plate 24, a first heating base 25 arranged on the first top plate 24, a first upper mold base 26 arranged at the bottom of the first heating base 25, a first upper mold plate 27 arranged at the bottom of the first upper mold base 26 and a first injection pipe 28 sequentially penetrating through the first top plate 24, the first heating base 25 (resistance wire heating or hot runner heating, which is a conventional technology, so the specific structure is not described in detail here), the first upper mold base 26 and the first upper mold plate 27, the first upper mold base 26 is provided with a first upper positioning groove 29 for embedding the first upper mold plate 27, when the first upper mold base 26 is attached to the first lower mold base 18, the first upper mold plate 27 abuts against the first lower mold plate 19, and the first upper mold plate 27 presses the transparent film 2 tightly in the first film groove 21, and the first injection pipe 28 penetrates through the transparent film 2 and is in communication with the first feeding groove 22. The second mold 13 comprises a second lower mold 30 and a second upper mold 31, the second upper mold 31 is connected with a driving device (such as an oil cylinder), the second upper mold 31 is driven by the driving device to move close to or away from the second lower mold 30, the second lower mold 30 comprises a second bottom plate 32, a second support base 33 arranged on the second bottom plate 32, a second lower mold base 34 arranged on the second support base 33, and a second lower mold plate 35 arranged on the second lower mold base 34, the second lower mold base 34 is provided with a second lower positioning groove 36 for embedding the second lower mold plate 35, the second lower mold plate 35 is provided with a second film groove 37 for placing the transparent film 2 and a second surface layer cavity 79 for embedding the transparent surface layer 1; the second upper mold 31 comprises a second top plate 38, a second heating base 39 arranged on the second top plate 38, a second upper mold base 40 arranged at the bottom of the second heating base 39, a second upper mold plate 41 arranged at the bottom of the second upper mold base 40, and a second injection pipe 42 sequentially penetrating through the second top plate 38, the second heating base 39, the second upper mold base 40 and the second upper mold plate 41, the second upper mold base 40 is provided with a second upper positioning groove 43 for embedding the second upper mold plate 41, the lower end of the second upper mold plate 41 is provided with a back cavity 44 for forming the back layer 3 and a second feeding groove 45 connected with the second back cavity 44, the inner end of the second back cavity 44 is provided with a hook groove 46 for forming the hook foot 10 and a cylindrical groove 47 for forming the positioning protrusion 11, when the second upper mold base 40 is attached with the second lower mold base 34, the second upper mold plate 41 abuts with the second lower mold plate 35, and the second upper mold plate 41 presses the transparent film 2 tightly in the second film groove 37, the second injection pipe 42 is communicated with the second feeding groove 45.

[0027] The first lower mold 14 and the second lower mold 30 are respectively provided with a first ejection mechanism 48 and a second ejection mechanism 80 for ejecting the semi-finished product and the finished product, the first ejection mechanism 48 and the second ejection mechanism 80 are the same in structure; The first ejection mechanism 48 comprises a push-down plate 49, a push-up plate 50, a plurality of push rods 51, and a plurality of reset assemblies 52. The push-down plate 49 is used to be connected with an external driving part. The lower end of each push rod 51 is in an inverted T-shaped structure. The push-down plate 49 and the push-up plate 50 are connected through fasteners, and a first inverted T-shaped slot 53 for positioning the lower end of each push rod 51 is arranged between the push-down plate 49 and the push-up plate 50. A plurality of push slots 54 for feeding the raw material of the transparent surface layer 1 are arranged at positions corresponding to the outer periphery of the first surface layer cavity 23 in the first film groove 21, and the number of the push slots 54 is equal to the number of the push rods 51. The upper end of each push rod 51 penetrates the first lower die seat 18 and the first lower die plate 19 in sequence, and is used to push into the corresponding push slot 54 when ascending to eject the formed semi-finished product. The reset assembly 52 comprises a reset guide rod 55 and a reset spring 56. The lower end of the reset guide rod 55 is in an inverted T-shaped structure. A second inverted T-shaped slot for positioning the lower end of the reset guide rod 55 is arranged between the push-down plate 49 and the push-up plate 50. The structure of the second inverted T-shaped slot is similar to that of the first inverted T-shaped slot 53, but it is not shown in the drawings. The upper end of the reset guide rod 55 penetrates the second lower die seat 34. The reset spring 56 is sleeved around the outer periphery of the reset guide rod 55, and the two ends of the reset spring 56 abut against the second lower die seat 34 and the push-up plate 50, respectively.

[0028] The second mold 13 further comprises a demolding mechanism 57, which comprises a movable seat 58, a linkage rod 59, a locking assembly 60 and a plurality of mold rods 61. The second upper mold seat 40 is provided with a movable cavity 62, and the movable seat 58 is vertically movably arranged in the movable cavity 62. The locking assembly 60 comprises a locking seat 63, two locking beads 64 and two locking springs 65. The inner end of the second lower positioning groove 36 is provided with a positioning recess 66, and the locking seat 63 is embedded in the positioning recess 66. The middle part of the locking seat 63 is provided with a insertion hole 67 in the vertical direction. Two limiting guide grooves 68 are symmetrically arranged on both sides of the insertion hole 67 corresponding to the locking seat 63. The limiting guide grooves 68 partially overlap with the insertion hole 67. The locking beads 64 are movably arranged in the corresponding limiting guide grooves 68. The locking springs 65 act on the corresponding locking beads 64, so that the two locking beads 64 have a tendency to move towards each other. The upper end of the linkage rod 59 is connected to the movable seat 58. The movable seat 58 is formed by connecting the upper plate and the lower plate by fasteners. The upper plate and the lower plate have a T-shaped groove therebetween, and the upper end structure of the linkage rod 59 is adapted to the T-shaped groove. Two arc-shaped grooves 69 are symmetrically arranged on the lower end side of the linkage rod 59. When the second upper mold 31 cooperates with the second lower mold 30, the lower end of the linkage rod 59 penetrates through the second upper mold plate 41 and the second lower mold plate 35, and is inserted into the insertion hole 67 of the locking seat 63, so that the inner ends of the two locking beads 64 are respectively clamped into the arc-shaped grooves 69 on both sides of the linkage rod 59. The upper end of the mold rod 61 is connected to the movable seat 58, and the connection mode is similar to that of the linkage rod 59 and the movable seat 58. The second lower mold plate 35 is provided with a mold hole 70 for inserting the mold rod 61. One side of the lower end of the mold rod 61 is provided with a first half-mold groove 71. The inner side of the lower end of the mold hole 70 is provided with a second half-mold groove 72 corresponding to the first half-mold groove 71. The first half-mold groove 71 and the second half-mold groove 72 combine to form the barb groove 46. When the second upper mold 31 moves upward, the mold rod 61 extends downward out of the mold hole 70. When the second upper mold 31 moves downward and abuts against the second lower mold 30, the mold rod 61 moves upward and is just retracted into the mold hole 70.

[0029] The first upper die seat 26 and the first upper die plate 27 are provided with first upper cooling channels 73 which are in communication with each other, the first lower die seat 18 and the first lower die plate 19 are provided with first lower cooling channels 74 which are in communication with each other, and the first lower die seat 18 and the first lower die plate 19 are provided with first air passages 75 which are in communication with each other; the second upper die seat 40 and the second upper die plate 41 are provided with second upper cooling channels 76 which are in communication with each other, the second lower die seat 34 and the second lower die plate 35 are provided with second lower cooling channels 77 which are in communication with each other, and the second lower die seat 34 and the second lower die plate 35 are provided with second air passages 78 which are in communication with each other, the cooling channels are communicated with cooling medium, which is convenient for the product to be rapidly cooled and formed, and the air passages can discharge the gas generated in the forming process, so as to prevent the product from having defects such as air bubbles and burning, and ensure the forming quality.

Claims

1. An outer circle transparent two-color IML LENS, characterized in that: It comprises transparent surface layer (1), transparent film (2) and back layer (3) arranged from top to bottom, the three are injection molded together, and the outer diameter of the three is the same, the side of the transparent film (2) close to the back layer (3) is provided with black ink layer (4), the black ink layer (4) is provided with hollow character display part (5), and the character display part (5) is provided with light transmission ink layer (6).

2. The outer circle transparent dual color IML lens according to claim 1, wherein: The outer diameter of the black ink layer (4) is smaller than the outer diameter of the back layer (3), so that the area between the outer diameter of the transparent surface layer (1), the transparent film (2) and the back layer (3) and the outer diameter of the black ink layer (4) forms a visible circle area (7).

3. The outer circle transparent dual color IML lens according to claim 1, wherein: The middle part of the back layer (3) is provided with through hole (8), the orthographic projection of the character display part (5) is in the area of the through hole (8), and the character display part (5) and the position corresponding to the character display part (5) on the transparent surface layer (1) and the transparent film (2) form a visible character area (9).

4. The outer circle transparent dual color IML lens of claim 1, wherein: The back layer (3) is solid, the character display part (5) and the position corresponding to the character display part (5) on the transparent surface layer (1) and the transparent film (2) form a visible character area (9).

5. The outer circle transparent dual color IML lens of claim 1, wherein: The side of the back layer (3) away from the transparent film (2) is provided with a plurality of barbed feet (10).

6. The outer circle transparent dual color IML lens of claim 1, wherein: The side of the back layer (3) away from the transparent film (2) is provided with at least two positioning protrusions (11).

7. A production mold for a transparent two-color IML lens of the outer ring type according to any one of claims 1 to 6, characterized in that: It comprises first mold (12) for injection molding transparent surface layer (1) and transparent film (2) together to form a semi-finished product, and second mold (13) for injection molding semi-finished product and back layer (3) together to form a finished product; The first mold (12) comprises a first lower mold (14) and a first upper mold (15), the first lower mold (14) comprises a first bottom plate (16), a first support seat (17) arranged on the first bottom plate (16), a first lower mold seat (18) arranged on the first support seat (17), and a first lower mold plate (19) arranged on the first lower mold seat (18), the first lower mold seat (18) is provided with a first lower positioning groove (20) for embedding the first lower mold plate (19), the first lower mold plate (19) is provided with a first film groove (21) for placing the transparent film (2) and a first feeding groove (22) in communication with the first film groove (21), and the inner end of the first film groove (21) is provided with a first skin cavity (23) for forming the transparent skin layer (1); the first upper mold (15) comprises a first top plate (24), a first heating seat (25) arranged on the first top plate (24), a first upper mold seat (26) arranged at the bottom of the first heating seat (25), a first upper mold plate (27) arranged at the bottom of the first upper mold seat (26), and a first injection pipe (28) penetrating the first top plate (24), the first heating seat (25), the first upper mold seat (26), and the first upper mold plate (27) in sequence, the first upper mold seat (26) is provided with a first upper positioning groove (29) for embedding the first upper mold plate (27), when the first upper mold seat (26) is attached to the first lower mold seat (18), the first upper mold plate (27) abuts against the first lower mold plate (19), and the first upper mold plate (27) presses the transparent film (2) tightly in the first film groove (21), the first injection pipe (28) penetrates the transparent film (2) and is in communication with the first feeding groove (22); The second mold (13) comprises a second lower mold (30) and a second upper mold (31), the second lower mold (30) comprises a second bottom plate (32), a second support seat (33) arranged on the second bottom plate (32), a second lower mold seat (34) arranged on the second support seat (33), and a second lower mold plate (35) arranged on the second lower mold seat (34), the second lower mold seat (34) is provided with a second lower positioning groove (36) for embedding the second lower mold plate (35), the second lower mold plate (35) is provided with a second film groove (37) for placing the transparent film (2) and a second surface layer cavity (79) for embedding the transparent surface layer (1); the second upper mold (31) comprises a second top plate (38), a second heating seat (39) arranged on the second top plate (38), a second upper mold seat (40) arranged at the bottom of the second heating seat (39), a second upper mold plate (41) arranged at the bottom of the second upper mold seat (40), and a second injection pipe (42) sequentially penetrating through the second top plate (38), the second heating seat (39), the second upper mold seat (40) and the second upper mold plate (41), the second upper mold seat (40) is provided with a second upper positioning groove (43) for embedding the second upper mold plate (41), the lower end of the second upper mold plate (41) is provided with a back cavity (44) for forming the back layer (3) and a second feeding groove (45) in communication with the second back cavity (44), the inner end of the second back cavity (44) is provided with a barb groove (46) for forming the barb foot (10) and a cylindrical groove (47) for forming the positioning protrusion (11), when the second upper mold seat (40) is in contact with the second lower mold seat (34), the second upper mold plate (41) is in abutment with the second lower mold plate (35), and the second upper mold plate (41) tightly presses the transparent film (2) in the second film groove (37), the second injection pipe (42) is in communication with the second feeding groove (45).

8. The production mold of a transparent two-color IML LENS of claim 7, wherein: The first lower mold (14) and the second lower mold (30) are respectively provided with a first ejection mechanism (48) and a second ejection mechanism (80) for ejecting semi-finished products and finished products, the first ejection mechanism (48) and the second ejection mechanism (80) are the same in structure; The first ejection mechanism (48) comprises a push-down plate (49), a push-up plate (50), a plurality of push rods (51) and a plurality of reset assemblies (52), the push-down plate (49) is used for being connected with an external driving part, the lower end of the push rod (51) is in an inverted T-shaped structure, the push-down plate (49) and the push-up plate (50) are connected through fasteners, and a first inverted T-shaped groove (53) for positioning the lower end of the push rod (51) is arranged between the push-down plate (49) and the push-up plate (50), a plurality of push grooves (54) for feeding the raw material of the transparent surface layer (1) are arranged at positions corresponding to the outer periphery of the first surface layer cavity (23) in the first film groove (21), the number of the push grooves (54) is equivalent to the number of the push rods (51), the upper end of the push rod (51) penetrates the first lower die seat (18) and the first lower die plate (19) in sequence, and is used for being pushed into the corresponding push groove (54) to eject the formed semi-finished product when ascending; the reset assembly (52) comprises a reset guide rod (55) and a reset spring (56), the lower end of the reset guide rod (55) is in an inverted T-shaped structure, a second inverted T-shaped groove for positioning the lower end of the reset guide rod (55) is arranged between the push-down plate (49) and the push-up plate (50), the upper end of the reset guide rod (55) penetrates the second lower die seat (34), the reset spring (56) is sleeved on the outer periphery of the reset guide rod (55), and the two ends of the reset spring (56) respectively abut against the second lower die seat (34) and the push-up plate (50).

9. A production mold for a transparent two-color IML LENS of an outer ring according to claim 7, characterized by: The second mold (13) further comprises a demolding mechanism (57), the demolding mechanism (57) comprises a movable seat (58), a linkage rod (59), a locking assembly (60) and a plurality of mold rods (61), the second upper mold seat (40) is provided with a movable cavity (62), and the movable seat (58) is vertically movably arranged in the movable cavity (62); the locking assembly (60) comprises a locking seat (63), two locking marbles (64) and two locking springs (65), the second lower positioning groove (36) is provided with a positioning recess (66) at an inner end, the locking seat (63) is embedded in the positioning recess (66), the locking seat (63) is provided with a insertion hole (67) in a middle portion in a vertical direction, two limiting guide grooves (68) are symmetrically arranged at positions corresponding to both sides of the insertion hole (67), the limiting guide grooves (68) partially overlap with the insertion hole (67), the locking marbles (64) are movably arranged in the corresponding limiting guide grooves (68), the locking springs (65) act on the corresponding locking marbles (64), so that the two locking marbles (64) have a tendency to move towards each other, the upper end of the linkage rod (59) is connected to the movable seat (58), two arc-shaped grooves (69) are symmetrically arranged on the lower end side of the linkage rod (59), when the second upper mold (31) cooperates with the second lower mold (30), the lower end of the linkage rod (59) penetrates the second upper mold plate (41) and the second lower mold plate (35) and is inserted into the insertion hole (67) of the locking seat (63), so that the inner ends of the two locking marbles (64) are respectively clamped into the arc-shaped grooves (69) on both sides of the linkage rod (59); the upper end of the mold rod (61) is connected to the movable seat (58), the second lower mold plate (35) is provided with a mold hole (70) for inserting the mold rod (61), one side of the lower end of the mold rod (61) is provided with a first half mold groove (71), the inner side of the lower end of the mold hole (70) is provided with a second half mold groove (72) corresponding to the first half mold groove (71), the first half mold groove (71) and the second half mold groove (72) combine to form the barb groove (46), when the second upper mold (31) moves upwards, the mold rod (61) extends downwards out of the mold hole (70), when the second upper mold (31) moves downwards and abuts against the second lower mold (30), the mold rod (61) moves upwards and just shrinks into the mold hole (70).

10. The production mold of a transparent two-color IML LENS of claim 7, wherein: The first upper die seat (26) and the first upper die plate (27) are provided with first upper cooling channels (73) in communication with each other, the first lower die seat (18) and the first lower die plate (19) are provided with first lower cooling channels (74) in communication with each other, and the first lower die seat (18) and the first lower die plate (19) are provided with first air channels (75) in communication with each other; the second upper die seat (40) and the second upper die plate (41) are provided with second upper cooling channels (76) in communication with each other, the second lower die seat (34) and the second lower die plate (35) are provided with second lower cooling channels (77) in communication with each other, and the second lower die seat (34) and the second lower die plate (35) are provided with second air channels (78) in communication with each other.

Images