Positioning device for optical lens processing

Abstract

The utility model discloses a positioning device for optical lens processing, relates to the field of optical lens processing, and aims to solve the problems that in the prior art, an optical lens needs to be effectively clamped, fixed and limited during production so as to meet subsequent processing requirements, and the optical lens cannot horizontally rotate after being fixed by an existing positioning device, so that the production efficiency is high. And meanwhile, the clamping position cannot be machined. The middle of the upper end face of the positioning device is rotationally connected with a circular table plate, the upper ends of the two strip-shaped openings are connected with pressing devices, the inner sides of the two pressing devices are connected with clamping devices, rotating grooves are formed in the lower end faces of the inner sides of the two clamping devices, and two parallel clamping rollers are rotationally connected into the two rotating grooves. And telescopic cylinders are fixedly connected to one sides of the upper end faces of the two clamping devices correspondingly, telescopic rods are movably connected into the telescopic grooves, and the lower ends of the telescopic rods penetrate through the clamping devices, extend to one sides of the middles between the two clamping rollers and are rotationally connected with lower pressing rollers.

Description

Technical Field

[0001] The utility model relates to the field of optical lens processing, in particular to a positioning device for optical lens processing. Background Art

[0002] Optical lenses are made of high-purity silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium and other oxides mixed according to a specific formula, melted in a platinum crucible at high temperature, stirred evenly with ultrasound to remove bubbles; then slowly cooled for a long time to prevent the glass block from generating internal stress. The cooled glass block must be measured by optical instruments to check whether the purity, transparency, uniformity, refractive index and dispersion rate meet the specifications. Qualified glass blocks are heated and forged to become optical lens blanks.

[0003] When optical lenses are produced, they need to be effectively clamped, fixed and limited in position to meet subsequent processing needs. After the existing positioning device fixes the optical lens, the optical lens cannot be rotated horizontally and the clamping position cannot be processed. Therefore, the market urgently needs to develop a positioning device for optical lens processing to help people solve existing problems. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning device for processing optical lenses, so as to solve the problem that the optical lenses proposed in the above background technology need to be effectively clamped, fixed and limited during production to meet the needs of subsequent processing. After the existing positioning devices fix the optical lenses, the optical lenses cannot be rotated horizontally and the clamping position cannot be processed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for processing optical lenses, including a positioning device, first rectangular limiting grooves are arranged on both sides of the middle part of the interior of the positioning device, strip openings are arranged between the upper ends of the two first rectangular limiting grooves and the upper end surface of the positioning device, a transmission groove is arranged in the middle part of the interior of the positioning device, a worm is rotatably connected to one side of the middle part of the interior of the transmission groove, a circular table is rotatably connected to the middle part of the upper end surface of the positioning device, a limiting tube is fixedly connected between the middle part of the upper end of the transmission groove and the upper end surface of the positioning device, a rotating shaft is rotatably connected to the middle of the limiting tube, a clamping device is connected to the upper ends of the two strip openings, and the two The inner end faces of the clamping devices are each provided with a second rectangular limiting groove, the middle part of the second rectangular limiting groove is rotatably connected with a second screw rod, the inner sides of the two clamping devices are each connected with a clamping device, the lower ends of the outer end faces of the two clamping devices are fixedly connected with a cross bar, the inner lower end faces of the two clamping devices are each provided with a rotating groove, two parallel clamping rollers are rotatably connected in the two rotating grooves, one side of the upper end faces of the two clamping devices is fixedly connected with a telescopic cylinder, a telescopic groove is provided inside the telescopic cylinder, a telescopic rod is movably connected in the telescopic groove, the lower end of the telescopic rod passes through the clamping device and extends to one side of the middle part between the two clamping rollers and is rotatably connected with a lower pressure roller.

[0006] Preferably, the upper end of the rotating shaft extends out of the upper end of the limiting tube and is fixedly connected to the middle part of the lower end of the circular table plate, the lower end of the rotating shaft extends into the transmission groove and is fixedly connected to a worm gear, the worm gear is meshed with the worm gear teeth, and the front end of the worm gear passes through the interior of the positioning device and extends out of the front end face of the positioning device and is fixedly connected to a first knob.

[0007] Preferably, a first screw rod is connected to rotate together between the two first rectangular limit grooves, and a first threaded portion and a second threaded portion are respectively arranged on the first screw rod and in the two first rectangular limit grooves, and the first threaded portion and the second threaded portion are arranged in a mirror image, and one end of the first screw rod passes through the interior of the positioning device, extends out of one side of the positioning device and is fixedly connected to a second knob.

[0008] Preferably, the lower ends of the two clamping devices are fixedly connected with a first threaded slider, the lower ends of the two clamping devices are respectively inserted into two strip openings and the two first threaded sliders are respectively slid into two first rectangular limiting grooves for limiting connection, and the first threaded portion and the second threaded portion on the first screw rod are respectively threaded through the middle parts of the two first threaded sliders.

[0009] Preferably, the upper ends of the two second screw rods respectively pass through the upper end surface of the clamping device and are fixedly connected to the third knob.

[0010] Preferably, one end of the two cross bars is fixedly connected with a second threaded slider, the second threaded sliders on the two cross bars are respectively inserted into two second rectangular limiting grooves for limiting connection, and the two second screws are respectively passed through the middle of the two second threaded sliders for threaded connection.

[0011] Preferably, springs are provided at the upper ends of the telescopic rods inside the telescopic slots.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model provides that through the setting of the clamping rollers, one side of the upper end faces of the two clamping devices is fixedly connected with a telescopic cylinder, a telescopic groove is provided inside the telescopic cylinder, a telescopic rod is movably connected in the telescopic groove, the lower end of the telescopic rod passes through the clamping device and extends to one side of the middle part between the two clamping rollers and is rotatably connected with the lower pressure roller, and the second knob is rotated to make the middle part between the two clamping rollers on the two clamping devices clamp the middle parts of both sides of the optical lens respectively, so as to fix the optical lens, and the optical lens can be subsequently processed. When horizontal rotation is required, the first knob is rotated, and the first knob drives the worm to rotate, and the worm drives the worm wheel to rotate, and then the worm wheel drives the rotating shaft to rotate to rotate the circular table plate, so that the circular table plate drives the optical lens to rotate and adjust the position. When the optical lens rotates, the clamping rollers on the two clamping devices rotate with the optical lens, so that the optical lens can be rotated and adjusted after being fixed, and at the same time, the clamping position is separated from the clamping device after rotation, which is convenient for processing.

[0014] In the utility model, through the setting of the lower pressure roller, the lower end of the telescopic rod passes through the clamping device and extends to one side of the middle part between the two clamping rollers and is rotatably connected to the lower pressure roller. By rotating the second knob, the first screw rod simultaneously drives the two clamping devices to move relative to each other, so that the clamping device is close to both sides of the optical lens, and the two lower pressure rollers are moved to the two upper ends of the optical lens. By rotating the two third knobs, the third knobs drive the second screw rod to rotate, so that the clamping device is lowered on the clamping device, and the two lower pressure rollers are pressed down on both sides of the upper end surface of the optical lens, so that the telescopic rod is retracted to compress the telescopic groove spring to achieve the pressing of the upper end surface of the optical lens to prevent the optical lens from popping up during processing.

[0015] In the utility model, through the setting of the spring, the clamping device is lowered on the pressing device, and the two lower pressing rollers are pressed down on both sides of the upper end surface of the optical lens, so that the telescopic rod is retracted into the telescopic groove to compress the spring to press the upper end surface of the optical lens, so that the lower end of the lower pressing roller is in flexible contact with the upper end surface of the optical lens, so that when the optical lens is pressed and rotated, the lower pressing roller will not damage the upper surface of the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of a positioning device for optical lens processing according to the utility model;

[0017] Figure 2 It is the main sectional view of the utility model;

[0018] Figure 3 It is a top sectional view of the clamping device of the utility model;

[0019] Figure 4 It is an enlarged view of the details of the utility model.

[0020] In the figure: 1. positioning device; 101. first rectangular limiting groove; 102. strip opening; 103. transmission groove; 104. worm; 105. first knob; 106. circular table; 2. limiting tube; 201. rotating shaft; 202. worm gear; 3. first screw; 301. first threaded portion; 302. second threaded portion; 303. second knob; 4. clamping device; 401. first threaded slider; 402. second rectangular limiting groove; 403. second screw; 404. third knob; 5. clamping device; 501. cross bar; 502. second threaded slider; 503. rotating groove; 504. clamping roller; 6. telescopic cylinder; 601. telescopic groove; 602. telescopic rod; 603. spring; 604. lower pressure roller. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4The utility model provides an embodiment: a positioning device for processing optical lenses, including a positioning device 1, first rectangular limiting grooves 101 are arranged on both sides of the middle part of the interior of the positioning device 1, and strip openings 102 are arranged between the upper ends of the two first rectangular limiting grooves 101 and the upper end surface of the positioning device 1, a transmission groove 103 is arranged in the middle part of the interior of the positioning device 1, a worm 104 is rotatably connected to one side of the middle part of the interior of the transmission groove 103, a circular table 106 is rotatably connected to the middle part of the upper end surface of the positioning device 1, a limiting tube 2 is fixedly connected between the middle part of the upper end of the transmission groove 103 and the upper end surface of the positioning device 1, a rotating shaft 201 is rotatably connected to the middle part of the limiting tube 2, and the upper ends of the two strip openings 102 are connected to a clamping device 4, and the two clamping devices 4 The inner end faces are each provided with a second rectangular limiting groove 402, the middle part of the second rectangular limiting groove 402 is rotatably connected with a second screw rod 403, the inner sides of the two clamping devices 4 are each connected with a clamping device 5, the lower ends of the outer end faces of the two clamping devices 5 are fixedly connected with a cross bar 501, the inner lower end faces of the two clamping devices 5 are each provided with a rotating groove 503, two parallel clamping rollers 504 are rotatably connected in the two rotating grooves 503, one side of the upper end faces of the two clamping devices 5 is each fixedly connected with a telescopic cylinder 6, a telescopic groove 601 is provided inside the telescopic cylinder 6, a telescopic rod 602 is movably connected in the telescopic groove 601, the lower end of the telescopic rod 602 passes through the clamping device 5 and extends to one side of the middle part between the two clamping rollers 504 and is rotatably connected with a lower pressure roller 604.

[0023] Furthermore, the upper end of the rotating shaft 201 extends out of the upper end of the limiting tube 2 and is fixedly connected to the middle part of the lower end of the circular table 106, and the lower end of the rotating shaft 201 extends into the transmission groove 103 and is fixedly connected to a worm wheel 202, and the worm wheel 202 is meshed with the teeth of the worm 104, and the front end of the worm 104 passes through the interior of the positioning device 1 and extends out of the front end surface of the positioning device 1 and is fixedly connected to a first knob 105, and the worm 104 is driven to rotate by the first knob 105, and the worm 104 drives the worm wheel 202 to rotate, and then the rotating shaft 201 is driven to rotate by the worm wheel 202 to rotate the circular table 106, so that the circular table 106 drives the optical lens to rotate and adjust its position.

[0024] Furthermore, a first screw rod 3 is rotatably connected between the two first rectangular limit grooves 101, and a first threaded portion 301 and a second threaded portion 302 are respectively provided on the first screw rod 3 and in the two first rectangular limit grooves 101. The first threaded portion 301 and the second threaded portion 302 are mirror-imaged, and one end of the first screw rod 3 passes through the interior of the positioning device 1, extends out of one side of the positioning device 1, and is fixedly connected to a second knob 303.

[0025] Furthermore, the lower ends of the two clamping devices 4 are fixedly connected with the first threaded sliders 401, and the lower ends of the two clamping devices 4 are respectively inserted into the two strip openings 102 and the two first threaded sliders 401 are respectively slid into the two first rectangular limiting grooves 101 for limiting connection. The first threaded portion 301 and the second threaded portion 302 on the first screw rod 3 are respectively threadedly connected through the middle parts of the two first threaded sliders 401. By rotating the second knob 303, the first screw rod simultaneously drives the two clamping devices 4 to move relative to each other, so that the clamping device 4 drives the clamping device 5 to clamp the two sides of the optical lens on the upper end of the circular table plate 106.

[0026] Furthermore, the upper ends of the two second screw rods 403 respectively pass through the upper end surface of the clamping device 4 and are fixedly connected with the third knob 404 .

[0027] Furthermore, one end of the two cross bars 501 is fixedly connected with a second threaded slider 502, and the second threaded sliders 502 on the two cross bars 501 are respectively inserted into the two second rectangular limiting grooves 402 for limiting connection, and the two second screws 403 are respectively threadedly connected through the middle parts of the two second threaded sliders 502, and by rotating the two third knobs 404, the third knobs 404 drive the second screws 403 to rotate, thereby realizing the lifting and lowering of the clamping device 5 on the clamping device 4.

[0028] Furthermore, springs 603 are provided at the upper ends of the telescopic rods 602 inside the telescopic slots 601 .

[0029] Working principle: when in use, place the optical lens on the circular table 106, and by rotating the second knob 303, the first screw rod drives the two pressing devices 4 to move relatively at the same time, so that the clamping device 5 is close to both sides of the optical lens, and the two lower pressing rollers 604 are moved to the two upper ends of the optical lens, and the two third knobs 404 are rotated, and the third knobs 404 drive the second screw rod 403 to rotate, so that the clamping device 5 is lowered on the clamping device 4, and the two lower pressing rollers 604 are pressed down on both sides of the upper end surface of the optical lens, so that the telescopic rod 602 is retracted into the telescopic groove 601 to compress the spring 603 to achieve the pressing of the upper end surface of the optical lens to prevent the optical lens from popping up during processing, and the second knob 303 is rotated again to move the two clamping devices 5 The middle part between the two clamping rollers 504 clamps the middle part of both sides of the optical lens respectively to fix the optical lens, and then the optical lens can be processed later. When horizontal rotation is required, by rotating the first knob 105, the first knob 105 drives the worm 104 to rotate, and the worm 104 drives the worm wheel 202 to rotate, and then the worm wheel 202 drives the rotating shaft 201 to rotate to rotate the circular table 106, so that the circular table 106 drives the optical lens to rotate and adjust the position. When the optical lens rotates, the clamping rollers 504 and the lower pressure roller 604 on the two clamping devices 5 rotate with the optical lens, so that the optical lens can be rotated and adjusted after being fixed. At the same time, the clamping position is separated from the clamping device 5 after rotation, which is convenient for processing.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A positioning device for optical lens processing, comprising a positioning device (1), Features: First rectangular limiting grooves (101) are provided on both sides of the middle part of the interior of the positioning device (1); strip openings (102) are provided between the upper ends of the two first rectangular limiting grooves (101) and the upper end surface of the positioning device (1); a transmission groove (103) is provided in the middle part of the interior of the positioning device (1); a worm (104) is rotatably connected to one side of the middle part of the interior of the transmission groove (103); a circular table (106) is rotatably connected to the middle part of the upper end surface of the positioning device (1); a limiting tube (2) is fixedly connected between the middle part of the upper end of the transmission groove (103) and the upper end surface of the positioning device (1); a rotating shaft (201) is rotatably connected to the middle part of the limiting tube (2); the upper ends of the two strip openings (102) are connected to a clamping device (4); and the inner end surfaces of the two clamping devices (4) are provided with a second rectangular limiting groove (402). The middle part of the second rectangular limiting groove (402) is rotatably connected to a second screw rod (403), the inner sides of the two pressing devices (4) are connected to a clamping device (5), the lower ends of the outer end surfaces of the two clamping devices (5) are fixedly connected to a cross bar (501), the inner lower end surfaces of the two clamping devices (5) are provided with a rotation groove (503), and two parallel clamping rollers (504) are rotatably connected in the two rotation grooves (503), one side of the upper end surfaces of the two clamping devices (5) is fixedly connected to a telescopic cylinder (6), the telescopic cylinder (6) is provided with a telescopic groove (601), and a telescopic rod (602) is movably connected in the telescopic groove (601), and the lower end of the telescopic rod (602) passes through the clamping device (5) and extends to one side of the middle part between the two clamping rollers (504) and is rotatably connected to a lower pressure roller (604).

2. A positioning device for optical lens processing according to claim 1, Features: The upper end of the rotating shaft (201) extends out of the upper end of the limiting tube (2) and is fixedly connected to the middle of the lower end of the circular table (106); the lower end of the rotating shaft (201) extends into the transmission groove (103) and is fixedly connected to a worm wheel (202); the worm wheel (202) is meshedly connected to the teeth of the worm (104); the front end of the worm (104) passes through the interior of the positioning device (1), extends out of the front end surface of the positioning device (1) and is fixedly connected to a first knob (105).

3. A positioning device for optical lens processing according to claim 1, Features: A first screw rod (3) is rotatably connected between the two first rectangular limiting grooves (101); a first threaded portion (301) and a second threaded portion (302) are respectively arranged on the first screw rod (3) and in the two first rectangular limiting grooves (101); the first threaded portion (301) and the second threaded portion (302) are arranged in a mirror image; one end of the first screw rod (3) passes through the interior of the positioning device (1) and extends out of one side of the positioning device (1) and is fixedly connected to a second knob (303).

4. A positioning device for optical lens processing according to claim 3, Features: The lower ends of the two clamping devices (4) are fixedly connected with a first threaded slider (401), the lower ends of the two clamping devices (4) are respectively inserted into the two strip openings (102) and the two first threaded sliders (401) are respectively slid into the two first rectangular limiting grooves (101) for limiting connection, and the first threaded portion (301) and the second threaded portion (302) on the first screw rod (3) are respectively passed through the middle parts of the two first threaded sliders (401) for threaded connection.

5. A positioning device for optical lens processing according to claim 1, Features: The upper ends of the two second screw rods (403) respectively pass through the upper end surface of the clamping device (4) and are fixedly connected to the third knob (404).

6. A positioning device for optical lens processing according to claim 1, Features: One end of each of the two cross bars (501) is fixedly connected with a second threaded slider (502); the second threaded sliders (502) on the two cross bars (501) are respectively inserted into two second rectangular limiting grooves (402) for limiting connection, and the two second screw rods (403) respectively pass through the middle of the two second threaded sliders (502) for threaded connection.

7. A positioning device for optical lens processing according to claim 1, Features: A spring (603) is provided at the upper end of the telescopic rod (602) inside the telescopic slot (601).

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