CN210209092U - Lens laser cutting device - Google Patents

Abstract

The utility model relates to a lens laser cutting device, its characterized in that: including the frame, be equipped with the die holder that is used for fixing a position the lens group in the frame, lie in die holder top in the frame and still be equipped with the laser head that is used for cutting the lens group and be used for driving the drive arrangement of laser head horizontal, longitudinal movement, wherein, the die holder is equipped with regular polygon's holding chamber including the pedestal on, the pedestal, each lateral wall in holding chamber forms the back that is used for supporting the lateral wall behind the lens and supports the limit, the holding intracavity correspond its each lateral wall position and be equipped with the boss respectively, be equipped with the preceding limit of supporting that is used for supporting the preceding lateral wall of lens on the boss, preceding limit of supporting and the back that corresponds support and form the lens constant head tank between the limit, be equipped with at least a pair of. Adopt above-mentioned technical scheme, the utility model provides a lens laser cutting device, it can cut the lens group automatically, cuts efficiently, the precision is high, can not produce the waste product.

Description

Lens laser cutting device

Technical Field

The utility model relates to a lens laser cutting device.

Background

As shown in fig. 1 and 2, in the conventional lens injection molding machine, a plurality of lenses 1 'can be simultaneously injected, and the injection molded lenses 1' are circularly surrounded to form a lens group, the front side wall 111 'and the rear side wall 112' of the lenses are all flat, the left side wall 113 'and the right side wall 114' are all arc surfaces, a supporting leg 11 'is formed on the front side wall 111' of the lenses, a through hole 12 'is formed on the supporting leg 11' of the lenses 1 ', a runner forming body 13' formed after injection molding is further connected to the front side of the supporting leg 11 'of each lens 1', the runner forming body 13 'is formed in a runner on a mold of the injection molding machine after injection molding, each runner forming body 13' intersects at a circle center position, a supporting body 14 'is further formed at the intersection position, the supporting body 14' can be conveniently taken out of the lenses from the injection molding machine, after taking out, the lens group needs to be cut and separated from the runner forming, thereby only leave the supporting legs on making each lens, however, the cutting is all accomplished through artifical manual at present, and its cutting efficiency is low, and cutting accuracy is low, moreover, damages the lens during cutting easily, leads to the rejection rate high.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides a lens laser cutting device, it can cut the lens group automatically, cuts efficiently, the precision is high, can not produce the waste product.

The technical scheme of the utility model: a lens laser cutting device which characterized in that: including the frame, be equipped with the die holder that is used for fixing a position the lens group in the frame, lie in die holder top in the frame and still be equipped with the laser head that is used for cutting the lens group and be used for driving the drive arrangement of laser head horizontal, longitudinal movement, wherein, the die holder is equipped with regular polygon's holding chamber including the pedestal on, the pedestal, each lateral wall in holding chamber forms the back that is used for supporting the lateral wall behind the lens and supports the limit, the holding intracavity correspond its each lateral wall position and be equipped with the boss respectively, be equipped with the preceding limit of supporting that is used for supporting the preceding lateral wall of lens on the boss, preceding limit of supporting and the back that corresponds support and form the lens constant head tank between the limit, be equipped with at least a pair of.

By adopting the technical scheme, when cutting, the lens group is placed on the die holder, wherein the number of the edges of the accommodating cavity is matched with the number of the lenses, and if ten lenses are formed by injection molding of an injection molding machine at the same time, the accommodating cavity is in a regular decagon shape; when the lens group is placed in the accommodating cavity, each lens is placed in each lens positioning groove, the front abutting edge and the rear abutting edge respectively abut against and press the front side wall and the rear side wall of each lens, the positioning blocks are used for abutting against the left side edge and the right side edge of each lens to well position the lenses, and the position is guaranteed not to deviate during cutting; and then, driving the laser head to move along the transverse direction and the longitudinal direction through a driving device, and cutting and separating the supporting legs on each lens from the runner forming body. Therefore, the lens laser cutting device can automatically cut the lens group, has high cutting efficiency and high precision, and cannot generate waste products.

The utility model discloses a further setting: the rack is provided with a turntable and a control piece for controlling the turntable to horizontally rotate, the die holders are provided with at least two die holders and arranged around the central shaft of the turntable, and the laser head is positioned above one of the die holders.

Adopt above-mentioned further setting, accomplish the cutting back at one of them die holder, can control the carousel horizontal rotation through the control to rotate next die holder to the laser head below and cut, can further improve cutting efficiency like this, degree of automation is higher.

The utility model discloses a further setting again: each locating piece sets up in two adjacent lens constant head tank intercommunication positions, and the both sides of locating piece all are equipped with the arc locating surface.

By adopting the above further arrangement, the same positioning block can be used for respectively positioning the lenses in the two adjacent lens positioning grooves, so that the number of the positioning blocks can be saved, the whole structure is simple and compact, and materials are saved; the arc locating surface can be matched with the left side wall and the right side wall of the lens, and the locating effect is better.

The utility model discloses a still further set up: the boss is correspondingly arranged at the intersection position of two adjacent side walls of the accommodating cavity, and two front pressing edges for respectively pressing the front side walls of two adjacent lenses are arranged on the boss.

Adopt above-mentioned still further setting, two preceding pressing edges of same boss can be contradicted the location to the preceding lateral wall of the lens in two adjacent lens constant head tanks simultaneously, can make the location of lens more stable like this.

The utility model discloses a still further set up: the bottom of lens constant head tank is equipped with the recess, and the locating piece setting is in the bottom of recess.

By adopting the further arrangement, the groove can greatly save materials, reduce the weight of the die holder and save the cost; moreover, the lens can be clamped conveniently after the lens is cut, and the lens can be clamped in a certain space of the clamping jaw.

The utility model discloses a still further set up: the driving device comprises a first rail and a second rail, the first rail is longitudinally arranged, the second rail is transversely arranged, the second rail is longitudinally slidably arranged on the first rail, the laser head is transversely slidably arranged on the second rail, a first driving piece used for driving the second rail to longitudinally slide is arranged on the first rail, and a second driving piece used for driving the laser head to transversely slide is arranged on the second rail.

Adopt above-mentioned still further setting, by the transverse motion of second driving piece drive laser head, by the longitudinal slip of first driving piece drive second track to drive laser head longitudinal movement, this kind of drive arrangement simple structure, stability is good.

Drawings

FIG. 1 is a diagram of a circular lens set;

FIG. 2 is a view of a lens structure;

FIG. 3 is an overall block diagram of an embodiment of the present invention;

FIG. 4 is a view of the die holder installation structure according to an embodiment of the present invention;

FIG. 5 is a diagram of a die holder structure according to an embodiment of the present invention;

FIG. 6 is a diagram illustrating a lens set placed in a mold base according to an embodiment of the present invention;

FIG. 7 is a diagram of a groove structure according to an embodiment of the present invention;

fig. 8 is a top view of an embodiment of the present invention.

Detailed Description

As shown in fig. 1-8, a lens laser cutting device comprises a frame 1, a mold base 2 for positioning a lens group is arranged on the frame 1, a laser head 3 for cutting the lens group and a driving device 4 for driving the laser head 3 to move transversely and longitudinally are also arranged on the frame 1 above the mold base 2, wherein, the mold base 2 comprises a base body 21, a regular polygon containing cavity 22 is arranged on the base body 21, each side wall of the containing cavity 22 forms a back pressing edge 221 for pressing the back side wall 112' of the lens, the accommodating cavity 22 is provided with bosses 23 corresponding to the side walls, the bosses 23 are provided with front pressing edges 231 for pressing the front side wall 111 ' of the lens, a lens positioning groove 220 is formed between the front pressing edges 231 and the corresponding rear pressing edges 221, and at least one pair of positioning blocks 24 for abutting against the left and right side walls 113 ', 114 ' of the lens is arranged in the lens positioning groove 220. During cutting, the lens group is placed on the die holder 2, wherein the number of the edges of the accommodating cavity 22 is matched with the number of the lenses, and if ten lenses are formed by injection molding of an injection molding machine at the same time, the accommodating cavity 22 is in a regular decagon shape; when the lens group is placed in the accommodating cavity 22, each lens 1 'is placed in each lens positioning groove 220, the front pressing edge 231 and the rear pressing edge 221 are respectively pressed on the front side wall 111' and the rear side wall 112 'of the lens 1', the positioning block 24 is used for abutting against the left side edge 113 'and the right side edge 114' of the lens to well position the lens, and the position can not deviate during cutting; then, the laser head 3 is driven by the driving device 4 to move along the transverse direction and the longitudinal direction, and the supporting legs on each lens and the runner forming body are cut and separated. Therefore, the lens laser cutting device can automatically cut the lens group, has high cutting efficiency and high precision, and cannot generate waste products.

The machine frame 1 is provided with a turntable 5 and a control piece 6 for controlling the turntable 5 to horizontally rotate, the die holders 2 are provided with at least two die holders and arranged around the central shaft of the turntable 5, and the laser head 3 is positioned above one of the die holders 2. Wherein, control 6 can adopt the motor, of course, also can adopt realization such as cylinder, the utility model discloses in the concrete embodiment, 2 symmetries of die holder are equipped with two, certainly, can set up three, four or more as required. After one of them die holder 2 accomplishes the cutting like this, can rotate through control carousel to rotate next die holder 2 to the cutting of laser head 3 below, can further improve cutting efficiency, degree of automation is higher.

In the embodiment of the present invention, each positioning block 24 is disposed at the communication position of two adjacent lens positioning grooves 220, and the two sides of the positioning block 24 are both provided with arc- shaped positioning surfaces 241, 242, so that the same positioning block 24 can respectively position the lenses in two adjacent lens positioning grooves 220, thereby saving the number of the positioning blocks 24, and the whole structure is simple and compact, and saves materials; the arc- shaped positioning surfaces 241 and 242 can be matched with the left side wall 113 'and the right side wall 114' of the lens, so that the positioning effect is better; the boss 23 is correspondingly arranged at the intersection position of two adjacent side walls of the accommodating cavity 22, two front abutting edges 231 for abutting against the front side walls of two adjacent lenses respectively are arranged on the boss 23, and thus the two front abutting edges 231 of the same boss 23 can abut against and position the front side walls of the lenses in two adjacent lens positioning grooves 220 simultaneously, so that the positioning of the lenses is more stable.

In the embodiment of the present invention, the bottom of the lens positioning groove 220 is provided with a groove 2201, and the positioning block 24 is arranged at the bottom of the groove 2201, so that the groove 2201 can greatly save materials, reduce the weight of the mold base 2, and save cost; moreover, the lens can be clamped conveniently after the lens is cut, and the lens can be clamped in a certain space of the clamping jaw.

The driving device 4 comprises a first rail 41 arranged along the longitudinal direction and a second rail 42 arranged along the transverse direction, the second rail 42 is arranged on the first rail 41 in a longitudinal sliding manner, the laser head 3 is arranged on the second rail 42 in a transverse sliding manner, a first driving part 43 used for driving the second rail 42 to longitudinally slide is arranged on the first rail 41, a second driving part 44 used for driving the laser head 3 to transversely slide is arranged on the second rail 42, the first driving part 43 and the second driving part 44 both adopt motors, each driving part is connected with a lead screw, the laser head 3 is provided with an installation seat 31, the lead screw 451 on the first driving part 43 is in threaded fit with the second rail 42, and the lead screw 452 on the second driving part 44 is in threaded fit with the installation seat 31; of course, the first driving member 43 and the second driving member 44 may be directly realized by a cylinder, an electric cylinder, or the like.

Claims (6)

1. A lens laser cutting device which characterized in that: including the frame, be equipped with the die holder that is used for fixing a position the lens group in the frame, lie in die holder top in the frame and still be equipped with the laser head that is used for cutting the lens group and be used for driving the drive arrangement of laser head horizontal, longitudinal movement, wherein, the die holder is equipped with regular polygon's holding chamber including the pedestal on, the pedestal, each lateral wall in holding chamber forms the back that is used for supporting the lateral wall behind the lens and supports the limit, the holding intracavity correspond its each lateral wall position and be equipped with the boss respectively, be equipped with the preceding limit of supporting that is used for supporting the preceding lateral wall of lens on the boss, preceding limit of supporting and the back that corresponds support and form the lens constant head tank between the limit, be equipped with at least a pair of.

2. The lens laser cutting device according to claim 1, wherein: the rack is provided with a turntable and a control piece for controlling the turntable to horizontally rotate, the die holders are provided with at least two die holders and arranged around the central shaft of the turntable, and the laser head is positioned above one of the die holders.

3. Laser cutting device for lenses according to claim 1 or 2, characterized in that: each locating piece sets up in two adjacent lens constant head tank intercommunication positions, and the both sides of locating piece all are equipped with the arc locating surface.

4. The lens laser cutting device according to claim 3, wherein: the boss is correspondingly arranged at the intersection position of two adjacent side walls of the accommodating cavity, and two front pressing edges for respectively pressing the front side walls of two adjacent lenses are arranged on the boss.

5. The lens laser cutting device according to claim 4, wherein: the bottom of lens constant head tank is equipped with the recess, and the locating piece setting is in the bottom of recess.

6. Laser cutting device for lenses according to claim 1 or 2, characterized in that: the driving device comprises a first rail and a second rail, the first rail is longitudinally arranged, the second rail is transversely arranged, the second rail is longitudinally slidably arranged on the first rail, the laser head is transversely slidably arranged on the second rail, a first driving piece used for driving the second rail to longitudinally slide is arranged on the first rail, and a second driving piece used for driving the laser head to transversely slide is arranged on the second rail.

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