CN212351937U

CN212351937U - Automatic centering device for processing aspheric lens

Info

Publication number: CN212351937U
Application number: CN202021020838.4U
Authority: CN
Inventors: 黄燕平
Original assignee: Shenzhen Solar Valley Sci Tech Development Co ltd
Current assignee: Shenzhen Solar Valley Sci Tech Development Co ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-01-15
Anticipated expiration: 2030-06-06

Abstract

The utility model discloses an aspheric lens processing is with automatic centering device relates to lens processing technical field, the on-line screen storage device comprises a base, the center department of base upper surface has seted up a rotation groove, the center department of rotating the groove tank bottom rotates through the bearing and is connected with a dwang, driving motor of fixedly connected with of center department of base lower surface, driving motor's output passes through shaft coupling fixed connection at the lower extreme of dwang, the dwang is located a rolling disc of top fixedly connected with of rotation inslot. The utility model discloses a driving motor drive dwang rotates, and the dwang drives four lead screws through first bevel gear and second bevel gear's meshing and rotates, and four lead screws can drive four movable blocks through the cooperation with the screw sleeve and do in opposite directions or opposite direction motion in step, and then can carry out the centre gripping to lens simultaneously through four gyro wheels, and then locate the center of lens centre gripping at the rolling disc.

Description

Automatic centering device for processing aspheric lens

Technical Field

The utility model relates to a lens processing technology field specifically is an automatic centering device is used in processing of aspheric surface lens.

Background

In modern lighting devices, an LED secondary lens is a commonly used type of lens that is well suited for use with high or low power LEDs or similar light sources. Generally elliptical lenses are used for road lighting or where an elliptical light distribution is required.

The existing lens needs to be aligned with a processing device in the center position when being processed, so that the problem that the processing quality of the lens is influenced due to the fact that the lens deviates when being processed can be avoided.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a in order to compensate prior art not enough, provide an aspheric surface is automatic centering device for lens processing.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an automatic centering device for processing aspheric lenses comprises a base, wherein a rotating groove is formed in the center of the upper surface of the base, a rotating rod is rotatably connected to the center of the bottom of the rotating groove through a bearing, a driving motor is fixedly connected to the center of the lower surface of the base, the output end of the driving motor is fixedly connected to the lower end of the rotating rod through a coupler, a rotating disc is fixedly connected to the top end of the rotating rod in the rotating groove, a first bevel gear is fixedly connected to the rod wall of the rotating rod in the rotating groove in a sleeved mode, four moving grooves are formed in the upper surface of the base and are uniformly and equidistantly arranged in a surrounding mode relative to the rotating groove, a lead screw is slidably connected to each of the four moving grooves, one end of each lead screw extends into the rotating groove and is fixedly connected with a second bevel gear, and the four second bevel gears are meshed with the first bevel gear, four equal threaded connection has a threaded sleeve on the pole wall that the lead screw is located the shifting chute, four all fixed movable block that has cup jointed on the outer tube wall of threaded sleeve, four movable block sliding connection is in four shifting chutes respectively, four the movable block runs through the notch of four shifting chutes respectively and upwards extends and a fixing base of fixedly connected with, four the center department of fixing base upper surface all rotates through the bearing and is connected with a connecting rod, four all fixed gyro wheel that has cup jointed on the upper end pole wall of connecting rod.

Furthermore, two first ball grooves are symmetrically formed in the opposite groove walls of the four moving grooves, two second ball grooves are symmetrically formed in the opposite outer side walls of the moving block corresponding to the two first ball grooves, and one ball is respectively and jointly connected with the corresponding second ball grooves in a rolling mode.

Furthermore, the upper end of rolling disc runs through the notch of rotating the groove and upwards extends, just the upper end horizontal plane of rolling disc is a little higher than the upper end horizontal plane of base.

Furthermore, the horizontal planes of the lower ends of the four rollers are slightly higher than the horizontal plane of the upper end of the rotating disc.

Furthermore, the center point between the four rollers and the center of the rotating disc are arranged in a superposition manner.

Furthermore, the four corners of the lower surface of the base are fixedly connected with a supporting column.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the automatic centering device for processing the aspheric lens has the following beneficial effects:

one, the utility model discloses a driving motor drive dwang rotates, and the dwang drives four lead screws through the meshing of first bevel gear with second bevel gear and rotates, and four lead screws can drive four movable blocks through the cooperation with the screw sleeve and do in opposite directions or opposite direction motion in step, and then can carry out the centre gripping to lens simultaneously through four gyro wheels, and then locate the center of lens centre gripping at the rolling disc.

Two, the utility model discloses a dwang drives the rolling disc and rotates for the rolling disc drives and places in the lens on its surface and rotate in step, and the edge that drives lens offsets with the gyro wheel, and under the continuous rotation of rolling disc, adjust the position of placing of lens, offset with the edge of guaranteeing that the gyro wheel can be with lens, and then carry out the centre gripping through four gyro wheels to lens fixed, and with the lens centre gripping in the center department of rolling disc, make lens carry out the alignment that adds man-hour comparatively simple convenient and more accurate.

Drawings

FIG. 1 is a schematic cross-sectional structural view of a front view of the present invention;

fig. 2 is a schematic cross-sectional structural view of a top view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. a base; 2. a rotating groove; 3. rotating the rod; 4. a drive motor; 5. rotating the disc; 6. a first bevel gear; 7. a moving groove; 8. a screw rod; 9. a second bevel gear; 10. a threaded sleeve; 11. a moving block; 12. a fixed seat; 13. a connecting rod; 14. a roller; 15. a first ball groove; 16. a second ball groove; 17. a ball bearing; 18. and a support pillar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: an automatic centering device for processing an aspheric lens comprises a base 1, a rotating groove 2 is arranged at the center of the upper surface of the base 1, a rotating rod 3 is rotatably connected at the center of the bottom of the rotating groove 2 through a bearing, a driving motor 4 is fixedly connected at the center of the lower surface of the base 1, the output end of the driving motor 4 is fixedly connected at the lower end of the rotating rod 3 through a coupler, a rotating disc 5 is fixedly connected at the top end of the rotating rod 3 in the rotating groove 2, a first bevel gear 6 is fixedly sleeved on the rod wall of the rotating rod 3 in the rotating groove 2, four moving grooves 7 are uniformly arranged on the upper surface of the base 1 in a surrounding manner and equidistant relative to the rotating groove 2, a screw rod 8 is slidably connected in each moving groove 7, one end of each screw rod 8 extends into the rotating groove 2 and is fixedly connected with a second bevel gear 9, four second bevel gears 9 all mesh with first bevel gear 6 mutually, four lead screws 8 are located equal threaded connection on the pole wall of shifting chute 7 has a threaded sleeve 10, all fixed the cup jointing a movable block 11 on the urceolus wall of four threaded sleeve 10, four movable blocks 11 are sliding connection respectively in four shifting chutes 7, four movable blocks 11 run through the notch of four shifting chutes 7 respectively and upwards extend and a fixing base 12 of fixedly connected with, the center department of four fixing base 12 upper surfaces all is connected with a connecting rod 13 through the bearing rotation, all fixed cup joint has a gyro wheel 14 on the upper end pole wall of four connecting rods 13.

Wherein, all be the symmetry form on the relative cell wall of four shifting chutes 7 and seted up two first ball grooves 15, it has two second ball grooves 16 to be the symmetry form on the relative lateral wall of movable block 11 that corresponds two first ball groove 15 positions, two first ball grooves 15 respectively with correspond in the second ball groove 16 common roll connection have a ball 17, movable block 11 can drive second ball groove 16 and ball 17 synchronous motion when removing, and roll in first ball groove 15 inside through ball 17, can support movable block 11, frictional force when having reduced the removal.

Wherein, the notch of rotating groove 2 is run through and upwards extends in the upper end of rolling disc 5, and the upper end horizontal plane of rolling disc 5 is a little higher than the upper end horizontal plane of base 1, and the lower extreme horizontal plane of four gyro wheels 14 is a little higher than the upper end horizontal plane of rolling disc 5 for gyro wheel 14 is when carrying out the centre gripping to lens, and four gyro wheels 14 can not offset with the upper surface of rolling disc 5, and then has avoided gyro wheel 14 can't carry out the centre gripping to lens fixed.

The center point between the four rollers 14 and the center of the rotating disc 5 are arranged in a superposition manner, so that the center of the moving position of the four rollers 14 is located at the center of the rotating disc 5, and the alignment of the center of the lens is facilitated.

Wherein, the four corners of the lower surface of the base 1 are fixedly connected with a pillar 18 for supporting the base 1 and the parts on the base 1.

The working principle is as follows: when in use, firstly, the lens is placed on the upper surface of the rotating disc 5, the rotating bar 3 is driven to rotate by the driving motor 4, the rotating bar 3 drives the four lead screws 8 to rotate by the meshing of the first bevel gear 6 and the second bevel gear 9, the four lead screws 8 can drive the four moving blocks 11 to synchronously move by matching with the threaded sleeve 10, the four moving blocks 11 can further synchronously move in opposite or opposite directions, so as to drive the fixed seat 12 to synchronously move, the fixed seat 12 drives the four rollers 14 to simultaneously clamp the lens by the connecting rod 13, meanwhile, the rotating disc 5 is driven to rotate by the rotating bar 3, so that the rotating disc 5 drives the lens placed on the surface of the rotating disc to synchronously rotate, and the corners of the lens are driven to abut against the rollers 14, and the connecting rod 13 is rotatably connected on the fixed seat 12 by the bearing, so that the rollers 14 can, and then 5 drive lens of rolling disc rotate continuously, can promote lens through four gyro wheels 14, and then can adjust the position of placing of lens to it is fixed to carry out the centre gripping until four gyro wheels 14 to lens, and with the lens centre gripping in the center department of rolling disc 5, make the alignment operation of lens man-hour comparatively simple convenient and more accurate.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic centering device is used in processing of aspheric lens, a serial communication port, includes a base (1), the center department of base (1) upper surface has seted up one and has rotated groove (2), the center department of rotating groove (2) tank bottom is connected with a dwang (3) through the bearing rotation, the center department fixedly connected with one driving motor (4) of base (1) lower surface, the output of driving motor (4) passes through shaft coupling fixed connection at the lower extreme of dwang (3), the top fixedly connected with of dwang (3) lie in rotating groove (2) has a rolling disc (5), it has a first bevel gear (6) to fix the cover on the pole wall that dwang (3) lie in rotating groove (2), the upper surface of base (1) is the even equidistance of form of encircleing and has seted up four shifting chutes (7) about rotating groove (2), a screw rod (8) is connected in each of the four moving grooves (7) in a sliding manner, one end of each of the four screw rods (8) extends into the rotating groove (2) and is fixedly connected with a second bevel gear (9), the four second bevel gears (9) are engaged with the first bevel gear (6), a threaded sleeve (10) is connected on each rod wall of the four screw rods (8) in the moving grooves (7) in a threaded manner, a moving block (11) is fixedly sleeved on each outer cylinder wall of each threaded sleeve (10), the four moving blocks (11) are respectively connected in the four moving grooves (7) in a sliding manner, the four moving blocks (11) respectively penetrate through the notches of the four moving grooves (7) and extend upwards and are fixedly connected with a fixed seat (12), and a connecting rod (13) is rotatably connected at the center of the upper surfaces of the four fixed seats (12) through a bearing, and the upper end rod walls of the four connecting rods (13) are fixedly sleeved with a roller (14).

2. The automatic centering device for aspherical lens processing according to claim 1, wherein: two first ball grooves (15) are symmetrically formed in the opposite groove walls of the four moving grooves (7), two second ball grooves (16) are symmetrically formed in the opposite outer side walls of the moving block (11) corresponding to the positions of the two first ball grooves (15), and two balls (17) are respectively connected with the corresponding second ball grooves (16) in a rolling mode.

3. The automatic centering device for aspherical lens processing according to claim 1, wherein: the upper end of the rotating disc (5) penetrates through the notch of the rotating groove (2) and extends upwards, and the horizontal plane of the upper end of the rotating disc (5) is slightly higher than that of the upper end of the base (1).

4. The automatic centering device for aspherical lens processing according to claim 1, wherein: the horizontal planes of the lower ends of the four rollers (14) are slightly higher than the horizontal plane of the upper end of the rotating disc (5).

5. The automatic centering device for aspherical lens processing according to claim 1, wherein: the central point between the four rollers (14) and the center of the rotating disc (5) are arranged in a superposition manner.

6. The automatic centering device for aspherical lens processing according to claim 1, wherein: the four corners of the lower surface of the base (1) are fixedly connected with a supporting column (18).