CN220052696U - Plastic mould for optical lens barrel - Google Patents

Abstract

The utility model discloses a plastic mould for an optical lens barrel, which comprises a lower mould base and an upper mould base, wherein the top of the lower mould base is in annular array sliding connection with a plurality of sliding modules, the bottom of the upper mould base is fixedly connected with a plurality of guide rods, the bottom of the upper mould base is in annular array fixedly connected with a plurality of positioning columns, a plurality of locking components for positioning the sliding modules are arranged on the lower mould base, an inclined slope is arranged at the top of one side of a connecting block, and positioning grooves matched with the positioning rods are arranged at the side of the sliding modules. According to the utility model, the lower die holder, the upper die holder, the sliding module, the guide rod, the positioning column and the locking component are matched for use, when the upper die holder drives the guide rod to be separated from the sliding module, the upper die holder drives the positioning column to be separated from the connecting block on the locking component, so that the positioning rod is in sliding clamping connection with the positioning groove on the sliding module under the action of the limiting spring, and the stability of the sliding module is ensured when the guide rod is separated from the sliding module.

Description

Plastic mould for optical lens barrel

Technical Field

The utility model relates to the field of molds, in particular to a plastic mold for an optical lens barrel.

Background

The lens barrel in the lens module is generally made of plastic parts by utilizing a plastic injection molding technology, and the inside of the designed lens barrel of the high-pixel lens module is often combined by adopting a plurality of lenses, and the outside of the lens barrel is connected with a lens seat by screw teeth, so that focusing is required, connection with electronic components is required, and various dimensional parameters of the lens barrel are required to be ensured, and the lens barrel is required to be matched with other components.

When the plastic processing of the lens barrel of the optical lens is carried out, the plastic mold is usually utilized to process the lens barrel of the optical lens, the existing plastic mold is usually composed of a lower mold base, an upper mold base and a sliding block capable of being positioned in a sliding manner, and the sliding positioning block is driven by an inclined guide rod, so that the inclined guide rod drives the sliding block to move when the upper mold base and the lower mold base are assembled or disassembled.

The existing die slide block is usually directly connected to the lower die holder in a sliding manner, when the inclined guide rod at the bottom of the upper die holder is separated from the slide block, the slide block can directly slide on the lower die holder, and further when the slide block is collided or rocked to generate position deviation, the upper die holder and the lower die holder are clamped, so that the position of the guide rod and the slide block is not conveniently limited when the guide rod is separated from the slide block.

Disclosure of Invention

The present utility model is directed to a plastic mold for an optical lens barrel, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an optical lens barrel plastic mold, comprising:

the upper die holder is fixedly connected with a plurality of guide rods matched with the sliding modules;

the bottom of the upper die holder is fixedly connected with a plurality of positioning columns in an annular array, the top of the lower die holder is provided with a plurality of positioning holes matched with the positioning columns, and the lower die holder is provided with a plurality of locking assemblies for positioning the sliding modules;

the locking assembly comprises a connecting block and a positioning rod, wherein the top of one side of the connecting block is provided with an inclined slope, and the side of the sliding module is provided with a positioning groove matched with the positioning rod.

Preferably, the inside of die holder is annular array and has seted up a plurality of loading channels, the inner chamber in loading channel and locating hole's inner chamber intercommunication each other, connecting block and locating lever all sliding connection in the inner chamber in loading channel, the outer wall and the connecting block of reference column laminate mutually.

Preferably, the inner cavity of the bearing groove is fixedly sleeved with a limiting collar, one end of the outer wall of the positioning rod penetrates through the limiting collar to be fixedly sleeved with a fixed collar, and the outer wall of the fixed collar is in sliding sleeve joint with the inner cavity of the bearing groove.

Preferably, the outer wall of the positioning rod is sleeved with a limiting spring in a sliding mode, and the limiting spring is located between the limiting sleeve ring and the fixing sleeve ring.

Preferably, the guide rod is the slope of annular array and sets up in the bottom of upper die base, a plurality of the guide rod is crisscross the setting of a plurality of reference columns, the guide slot of slope has been seted up at the top of slip module, the outer wall of guide rod and the inner chamber slip socket joint of guide slot.

Preferably, the top of die holder is annular array and has seted up a plurality of spread grooves, the slip module slides and sets up in the inside of spread groove, the spout has been seted up to the inside bottom of spread groove, the bottom fixedly connected with fixture block of slip module, the outer wall of fixture block and the inner chamber slip joint of spout.

The utility model has the technical effects and advantages that:

according to the utility model, the lower die holder, the upper die holder, the sliding module, the guide rod, the positioning column and the locking component are matched for use, when the upper die holder drives the guide rod to be separated from the sliding module, the upper die holder drives the positioning column to be separated from the connecting block on the locking component, so that the positioning rod is in sliding clamping connection with the positioning groove on the sliding module under the action of the limiting spring, and the stability of the sliding module is ensured when the guide rod is separated from the sliding module.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the front internal structure of the present utility model.

Fig. 3 is a schematic view of the internal structure of the lower die holder of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

Fig. 5 is a schematic diagram of the overall structure of the connecting block according to the present utility model.

In the figure: 1. a lower die holder; 2. an upper die holder; 3. a sliding module; 4. a guide rod; 5. positioning columns; 6. a locking assembly; 61. a connecting block; 62. a positioning rod; 63. a positioning groove; 64. a carrying groove; 65. a limit collar; 66. a fixed collar; 67. a limit spring; 7. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a plastic mould of an optical lens barrel, as shown in figures 1-5, comprising:

the upper die holder 1 and the lower die holder 2 are installed on an injection molding machine to operate when the lower die holder 1 and the upper die holder 2 work, so that the lower die holder 1, the upper die holder 2 and the plurality of sliding modules 3 are used for processing optical lens barrel plastics, the top of the lower die holder 1 is in annular array sliding connection with the plurality of sliding modules 3, the bottom of the upper die holder 2 is fixedly connected with the plurality of guide rods 4 matched with the sliding modules 3, when the upper die holder 2 is separated from the lower die holder 1, the guide rods 4 drive the sliding modules 3 to slide relative to the lower die holder 1, the positioning columns 5 move upwards, until the guide rods 4 are separated from the sliding modules 3, the positioning grooves 63 on one side of the sliding modules 3 correspond to the positions of the positioning rods 62, the upper die holder 2 continues to drive the positioning columns 5 to move upwards, then one end of the positioning rods 62 are in sliding clamping connection with the positioning grooves 63 on the sliding modules 3 under the action of the limiting springs 67, the bottom of the upper die holder 2 is fixedly connected with the plurality of positioning columns 5 in annular array, and the top of the lower die holder 1 is provided with a plurality of positioning columns 5 matched with the positioning modules 6 for locking the positioning modules 1.

Specifically, the locking assembly 6 includes connecting block 61 and locating lever 62, slope has been seted up at the top of connecting block 61 one side, and the bottom of reference column 5 and the bottom of guide bar 4 are hemispherical, thereby when upper die base 2 and die holder 1 compound die, at first upper die base 2 drives reference column 5 and the locating hole slip socket on the die holder 1, until the bottom of reference column 5 and the inclined plane contact of connecting block 61 one side, and until reference column 5 extrusion connecting block 61 slides, make connecting block 61 drive locating lever 62 and slip module 3 separation, upper die base 2 continues to descend, then guide bar 4 is connected with the guide way on the slip module 3 this moment, thereby drive slip module 3 removes the locking product, the limit side of slip module 3 has seted up with locating lever 62 assorted constant head tank 63.

Further, the inside of die holder 1 is annular array and has seted up a plurality of carrier groove 64, the inner chamber of carrier groove 64 communicates with the inner chamber of locating hole each other, and die holder 1 comprises first template and second template, carrier groove 64 is seted up in the opposite one side of first template and second template, and the top of second template is through setting up interior bolt and first template fixed connection, thereby be convenient for to the inside spare part dismantlement installation or the maintenance of carrier groove 64, connecting block 61 and locating lever 62 are all sliding connection in the inner chamber of carrier groove 64, the outer wall of reference column 5 laminates with connecting block 61 mutually.

Further, the inner cavity of the bearing groove 64 is fixedly sleeved with a limit collar 65, one end of the outer wall of the positioning rod 62 penetrates through the limit collar 65 to be fixedly sleeved with a fixed collar 66, the outer wall of the fixed collar 66 is slidably sleeved with the inner cavity of the bearing groove 64, the outer wall of the positioning rod 62 is slidably sleeved with a limit spring 67, when the positioning column 5 is separated from the connecting block 61, the limit spring 67 can exert an elastic force on the positioning rod 62 through the limit collar 65 and the fixed collar 66, so that one end of the positioning rod 62 is slidably clamped with the positioning groove 63 on one side of the sliding module 3, and the limit spring 67 is located between the limit collar 65 and the fixed collar 66.

Further, the guide rods 4 are obliquely arranged at the bottom of the upper die holder 2 in an annular array, the guide rods 4 and the positioning columns 5 are arranged in a staggered mode, oblique guide grooves are formed in the top of the sliding module 3, and the outer walls of the guide rods 4 are in sliding sleeve joint with the inner cavities of the guide grooves.

Further, a plurality of spread grooves have been seted up to the top of die holder 1 in annular array, and sliding module 3 slides and sets up in the inside of spread groove, and the spout has been seted up to the inside bottom of spread groove, and sliding module 3's bottom fixedly connected with fixture block 7, the outer wall of fixture block 7 and the inner chamber slip joint of spout, the stability of the relative die holder 1 motion of sliding module 3 can be guaranteed to fixture block 7.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. An optical lens barrel plastic mold, comprising:

the device comprises a lower die holder (1) and an upper die holder (2), wherein the top of the lower die holder (1) is in an annular array and is connected with a plurality of sliding modules (3) in a sliding manner, and the bottom of the upper die holder (2) is fixedly connected with a plurality of guide rods (4) matched with the sliding modules (3);

the method is characterized in that: the bottom of the upper die holder (2) is fixedly connected with a plurality of positioning columns (5) in an annular array, a plurality of positioning holes matched with the positioning columns (5) are formed in the top of the lower die holder (1), and a plurality of locking assemblies (6) for positioning the sliding module (3) are arranged on the lower die holder (1);

the locking assembly (6) comprises a connecting block (61) and a positioning rod (62), wherein the top of one side of the connecting block (61) is provided with an inclined slope, and the side of the sliding module (3) is provided with a positioning groove (63) matched with the positioning rod (62).

2. The plastic mold for the lens barrel of the optical lens according to claim 1, wherein the lower mold base (1) is provided with a plurality of bearing grooves (64) in an annular array, the inner cavities of the bearing grooves (64) are mutually communicated with the inner cavities of the positioning holes, the connecting block (61) and the positioning rod (62) are both in sliding connection with the inner cavities of the bearing grooves (64), and the outer wall of the positioning column (5) is attached to the connecting block (61).

3. The plastic mold for the lens barrel of the optical lens according to claim 2, wherein the inner cavity of the bearing groove (64) is fixedly sleeved with a limit collar (65), one end of the outer wall of the positioning rod (62) penetrates through the limit collar (65) to be fixedly sleeved with a fixed collar (66), and the outer wall of the fixed collar (66) is slidably sleeved with the inner cavity of the bearing groove (64).

4. An optical lens barrel plastic mold according to claim 2, wherein the outer wall of the positioning rod (62) is slidably sleeved with a limiting spring (67), and the limiting spring (67) is located between the limiting collar (65) and the fixing collar (66).

5. The plastic mold for the lens barrel of the optical lens according to claim 1, wherein the guide rods (4) are obliquely arranged at the bottom of the upper mold base (2) in a ring-shaped array, a plurality of the guide rods (4) and a plurality of the positioning columns (5) are arranged in a staggered manner, an oblique guide groove is formed in the top of the sliding module (3), and the outer wall of each guide rod (4) is in sliding sleeve joint with the inner cavity of each guide groove.

6. The plastic mold for the lens barrel of the optical lens according to claim 1, wherein a plurality of connecting grooves are formed in the top of the lower mold base (1) in an annular array, the sliding module (3) is slidably arranged in the connecting grooves, sliding grooves are formed in the bottoms of the inner parts of the connecting grooves, clamping blocks (7) are fixedly connected to the bottoms of the sliding module (3), and the outer walls of the clamping blocks (7) are slidably clamped with the inner cavities of the sliding grooves.