Lens surface grinding device

Abstract

The utility model relates to the technical field of optical lens processing, in particular to a lens surface grinding device which comprises a base, a supporting rod arranged on the top of the base, a top plate arranged on the top of the supporting rod, a feeding mechanism, a material conveying disc and a clamping mechanism. A conveying piece is arranged on the outer side of the material conveying disc and arranged on the feeding mechanism. The clamping mechanism is arranged at the bottom of the top plate. Through the arrangement of the feeding mechanism, abrasives needing to be used are rotated to the material conveying disc, then the material conveying disc is driven by the second motor to rotate, the abrasives are conveyed to the grinding disc to assist grinding work, meanwhile, the capacity of a material groove in the material conveying disc can be adjusted, the feeding amount of the abrasives each time is controlled, and the grinding efficiency is improved. Therefore, the grinding material can be uniformly distributed on the surface of the lens, so that the grinding efficiency is improved, non-uniform grinding is avoided, and meanwhile, accurate selection is performed according to the material and hardness of the surface of the lens and the required grinding degree, so that the grinding quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens processing technical field especially relates to a lens surface grinding device. BACKGROUND

[0002] Optical lens, also known as lens, is a transparent medium composed of two refractive surfaces, and optical lens surface grinding is a delicate and important process, aiming to improve the optical performance of the lens, eliminate scratches and defects, and ensure the clarity and accuracy of the lens.

[0003] The Chinese patent with publication number CN221065687U discloses an optical lens surface grinding device, which comprises a workbench, a top plate connected to the side wall on one side of the workbench, a lifting assembly installed on the top plate, a lifting plate connected to the piston end of the lifting assembly, an installation plate connected to the lower end of the lifting plate, a first air cylinder installed on the side wall of one side of the installation plate, a moving block connected to the piston end of the first air cylinder and extending outward through the side wall of the installation plate, a fixed tube connected to the other end of the moving block, a spring connected to the bottom of the fixed tube, and a fixed rod connected to the other end of the spring. The utility model technical scheme can edge trim different shapes of optical lenses through the mutual cooperation between the workbench, the lifting plate, the first air cylinder, the fixed tube, the spring, the fixed rod, the edge trimmer, the first motor, the material conveying disc, the second air cylinder, the electric push rod, and the pressing block, and the operation is simple and convenient, thereby improving the applicability of the device.

[0004] However, the above-mentioned disclosed scheme has the following disadvantages: the existing lens surface grinding device cannot stably clamp according to the size of the lens, and when the thickness of the lens is different, the lens cannot be pressed on the grinding disc for work all the time, resulting in poor grinding effect of the lens, and manual addition of abrasive is required during grinding, which not only varies the amount each time, but also cannot control the time, further affecting the quality of grinding. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problem of being unable to clamp different size lenses and automatically add grinding material in the background art, and provides a lens surface grinding device.

[0006] The technical scheme of the utility model: a lens surface grinding device, comprising a base, a support rod arranged on the top of the base, and a top plate arranged on the top of the support rod; further comprising:

[0007] A feeding mechanism is arranged on the top plate and is used for intermittently adding different abrasive materials to assist grinding during lens grinding;

[0008] The outer side of the material conveying disc is provided with a conveying part, the conveying part is arranged on the feeding mechanism, the inner side of the material conveying disc is annularly provided with four material grooves, the volumes of the four material grooves are same, and the size of the four material grooves is synchronously adjusted by the feeding mechanism to change the amount of abrasive material put each time.

[0009] And the clamping mechanism is arranged on the bottom of the top plate, and is used for stably clamping lenses of different sizes.

[0010] Further comprising a grinding assembly, the grinding assembly comprises a second motor, a second rotating shaft and a grinding disc;

[0011] The second motor is arranged on the top of the bottom plate, the second rotating shaft is arranged on the output end of the second motor, and the grinding disc is arranged on the top of the second rotating shaft.

[0012] Preferably, the feeding mechanism comprises a capacity adjusting assembly, a conveying assembly and a material changing assembly;

[0013] The material changing assembly is arranged on the top plate, and is used for switching different abrasives according to the material of the lens;

[0014] The conveying assembly is arranged on the bottom of the material changing assembly, and is used for conveying and putting the abrasive onto the grinding disc;

[0015] The capacity adjusting assembly is arranged on the side of the conveying assembly, and is used for adjusting the amount of abrasive conveyed by the conveying assembly each time.

[0016] Preferably, the capacity adjusting assembly comprises a fixed rod, a sliding disc, a sliding slot and a positioning hole;

[0017] The fixed rod is arranged on the side of the conveying assembly, the sliding disc is slidingly arranged on the outer side of the fixed rod, the sliding slot is arranged on the material conveying disc, the positioning hole is arranged on the side of the fixed rod, the outer side of the sliding disc is provided with a fixing frame, the inner side of the fixing frame is slidingly arranged on the insertion rod, the outer side of the insertion rod is provided with a spring one, the end of the insertion rod is provided with a pull rod one, the side of the sliding disc close to the material conveying disc is rotationally provided with a rotating rod, the end of the rotating rod away from the sliding disc is rotationally provided with a fixing part, the side of the fixing part is provided with a sliding block, and the top of the fixed disc is provided with a baffle.

[0018] Preferably, the conveying assembly comprises a support frame, a first motor and a first rotating shaft;

[0019] The first rotating shaft is arranged on the end of the material conveying disc away from the fixed rod, the first motor is arranged on the end of the first rotating shaft away from the material conveying disc, the support frame is arranged on the outer side of the first motor, and the top of the conveying part is provided with a connecting pipe.

[0020] Preferably, the material changing assembly comprises a fixed box, a rotating part, a slot and a connecting shaft;

[0021] The fixing box is arranged on the top of the top plate, the rotating piece is arranged on the inner side of the fixing box, the connecting shaft is arranged on the inner side of the rotating piece, the top of the connecting shaft is provided with a disc, the slot is arranged on the rotating piece, the outer side of the fixing box is provided with a connecting frame, the top of the connecting frame is slidably provided with a positioning rod, the outer side of the positioning rod is provided with a spring two, and the top of the positioning rod is provided with a pull rod two.

[0022] Preferably, the clamping mechanism comprises a mounting rod, a telescopic pipe two, a spring three and a clamping assembly.

[0023] The mounting rod is arranged on the bottom of the top plate, the telescopic pipe two is arranged on the bottom of the mounting rod, and the spring three is arranged on the outer side of the telescopic pipe two.

[0024] The clamping assembly is arranged on the bottom of the telescopic pipe three and is used for clamping lenses of different sizes.

[0025] Preferably, the clamping assembly comprises a clamping disc, a spring four and a clamping block.

[0026] The clamping disc is arranged on the bottom of the telescopic pipe two, the spring four is arranged on the inner side of the clamping disc, and the clamping block is arranged on the end of the spring four.

[0027] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0028] Through the setting of the feeding mechanism, the abrasive to be used is rotated to the material conveying disc, then the material conveying disc is driven to rotate by the motor two, so that the abrasive is conveyed to the grinding disc to assist the grinding work, meanwhile, the capacity of the material groove in the material conveying disc can be adjusted, so that the amount of abrasive put in each time is controlled, which can ensure that the abrasive is uniformly distributed on the lens surface, thereby improving the grinding efficiency and avoiding uneven grinding caused by excessive or insufficient abrasive, and the abrasive can be accurately selected according to the material, hardness and required grinding degree of the lens surface, so as to ensure the grinding quality, and the control of the amount of abrasive put in helps to avoid excessive grinding or insufficient grinding, so as to protect the lens surface from being damaged, improve the surface finish and precision after grinding, reduce the direct contact between the operator and the abrasive, reduce the safety risk in the operation process, and help to ensure that the amount of abrasive put in each time is stable and reliable, thereby improving the stability and reliability of the entire grinding process.

[0029] Through the setting of the clamping mechanism, the lens is clamped between the four clamping blocks, and the lens of different sizes is stably clamped through the telescopic extrusion of the spring four, so that the lens can be ensured not to affect the machining precision due to shaking or displacement during the grinding process, and the uniformity and consistency of the grinding are further ensured, thereby improving the machining quality, and the clamping mechanism can adapt to the machining requirements of various types of lenses without the need to replace different clamping tools or adjust the structure of the device. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1Structure schematic view of an embodiment of the utility model;

[0031] Figure 2 Structure schematic view of a clamping mechanism;

[0032] Figure 3 Structure schematic view of a feeding mechanism;

[0033] Figure 4 Structure schematic view of the internal structure of a feeding mechanism;

[0034] Figure 5 For Figure 4 Enlarged schematic view of A.

[0035] Reference signs: 1, base; 2, support rod; 3, top plate; 401, fixed rod; 402, sliding disc; 403, sliding groove; 404, positioning hole; 405, insertion rod; 406, spring one; 407, fixed frame; 408, rotating rod; 409, fixing piece; 410, sliding block; 411, quantitative disc; 412, baffle; 413, pull rod one; 414, rotating shaft one; 415, motor one; 416, connecting pipe; 417, fixed box; 418, rotating piece; 419, insertion slot; 420, connecting shaft; 421, disc; 422, connecting frame; 423, positioning rod; 424, spring two; 425, pull rod two; 426, support frame; 427, material conveying disc; 428, conveying piece; 501, motor two; 502, rotating shaft two; 503, grinding disc; 601, mounting rod; 602, telescopic pipe two; 603, spring three; 604, clamping disc; 605, spring four; 606, clamping block. DETAILED DESCRIPTION

[0036] Embodiment one

[0037] As Figure 1 shown, the utility model provides a lens surface grinding device, including base 1, set up in the top of base 1's support rod 2, set up in the top of support rod 2's top plate 3, feeding mechanism, material conveying disc 427 and clamping mechanism:

[0038] Feeding mechanism sets up on top plate 3, is used to add different abrasive auxiliary grinding in the grinding time of lens intermittently;

[0039] The outside of material conveying disc 427 is provided with conveying piece 428, conveying piece 428 is set up on feeding mechanism, the inside of material conveying disc 427 is annularly provided with four material grooves, the volume of four material grooves is same, and the size of four material grooves is synchronously regulated to change the amount of abrasive of each time by feeding mechanism;

[0040] Clamping mechanism sets up in the bottom of top plate 3, is used to stably clamp different size lenses.

[0041] The grinding assembly comprises a motor two 501, a rotating shaft two 502 and a grinding disc 503; the motor two 501 is arranged on the top of the bottom plate, the rotating shaft two 502 is arranged on the output end of the motor two 501, and the grinding disc 503 is arranged on the top of the rotating shaft two 502; the motor two 501 is started, the motor two 501 drives the rotating shaft two 502 to rotate, and the rotating shaft two 502 drives the grinding disc 503 to rotate to grind the lens.

[0042] Embodiment two

[0043] As Figures 3-5 shown, the utility model discloses a kind of lens surface grinding devices, compared with embodiment one, the structure of feeding mechanism is introduced in detail in this embodiment.

[0044] The feeding mechanism comprises a capacity adjusting assembly, a conveying assembly and a material changing assembly; the material changing assembly is arranged on the top plate 3 and is used for switching different abrasives according to the material of the lens; the conveying assembly is arranged at the bottom of the material changing assembly and is used for conveying and feeding the abrasives to the grinding disc 503; the capacity adjusting assembly is arranged at the side of the conveying assembly and is used for adjusting the amount of the abrasives conveyed by the conveying assembly each time. The capacity adjusting assembly comprises a fixed rod 401, a sliding disc 402, a sliding groove 403 and a positioning hole 404; the fixed rod 401 is arranged at the side of the conveying assembly, the sliding disc 402 is slidingly arranged at the outer side of the fixed rod 401, the sliding groove 403 is arranged on the material conveying disc 427, the positioning hole 404 is arranged at the side of the fixed rod 401, the outer side of the sliding disc 402 is provided with a fixing frame 407, the inner side of the fixing frame 407 is slidingly arranged on a plug rod 405, the outer side of the plug rod 405 is provided with a spring 406, the end of the plug rod 405 is provided with a pull rod 413, the side of the sliding disc 402 close to the material conveying disc 427 is rotationally provided with a rotating rod 408, the end of the rotating rod 408 away from the sliding disc 402 is rotationally provided with a fixing piece 409, the side of the fixing piece 409 is provided with a sliding block 410, and the top of the quantitative disc 411 is provided with a baffle 412. The conveying assembly comprises a support frame 426, a motor 415 and a rotating shaft 414; the rotating shaft 414 is arranged at the end of the material conveying disc 427 away from the fixed rod 401, the motor 415 is arranged at the end of the rotating shaft 414 away from the material conveying disc 427, the support frame 426 is arranged at the outer side of the motor 415, the top of the conveying piece 428 is provided with a connecting pipe 416, the end of the support frame 426 away from the motor 415 is connected with the side of the top plate 3, the motor 415 is started, the motor 415 drives the rotating shaft 414 to rotate, the rotating shaft 414 drives the material conveying disc 427 to rotate, since the upper and lower sides of the conveying piece 428 are both provided with pipes, the abrasives enter the material conveying disc 427 from the upper pipe and are fed to the grinding disc 503 from the lower pipe, the pull rod 413 is pulled up to drive the plug rod 405 to be separated from the positioning hole 404, the sliding disc 402 is moved to drive the four sliding blocks 410 to slide through the four rotating rods 408 respectively, the sliding blocks 410 drive the quantitative disc 411 to slide, so that the four quantitative discs 411 are simultaneously stretched outwards or contracted inwards, the sliding disc 402 is moved to the corresponding scale and then stopped, the pull rod 413 is released, the plug rod 405 is re-inserted into the positioning hole 404 under the action of the spring 406, and thus the position of the sliding disc 402 is fixed.The refueling assembly comprises a fixed box 417, a rotating part 418, a slot 419 and a connecting shaft 420; the fixed box 417 is arranged on the top of the top plate 3, the rotating part 418 is arranged on the inner side of the fixed box 417 in a rotating mode, the connecting shaft 420 is arranged on the inner side of the rotating part 418, four storage slots are annularly arranged on the rotating part 418, one storage slot is used for storing one kind of abrasive, the top of the connecting shaft 420 is provided with a disc 421, the slot 419 is arranged on the rotating part 418, four slots 419 are annularly arranged around the rotating part 418, the outer side of the fixed box 417 is provided with a connecting frame 422, the top of the connecting frame 422 is slidably provided with a positioning rod 423, the outer side of the positioning rod 423 is provided with a spring 424, the top of the positioning rod 423 is provided with a pull rod 425, the positioning rod 423 is pulled up to be separated from the slot 419 through the pull rod 425, then the disc 421 is held, the disc 421 drives the connecting shaft 420 to rotate, the connecting shaft 420 drives the rotating part 418 to rotate in the fixed box 417, the storage slot of the required abrasive is aligned with the conveying part 428, then the pull rod 425 is loosened, the positioning rod 423 is clamped into the slot 419 in the position under the action of the spring 424, so that the rotating part 418 is fixed in the position to facilitate discharging.

[0045] Embodiment three

[0046] As Figure 2 shown, the lens surface grinding device discloses a kind of, compared to embodiment one and embodiment two, the structure of the clamping mechanism is introduced in detail in this embodiment.

[0047] The clamping mechanism comprises mounting rod 601, telescopic pipe two 602, spring three 603 and clamping assembly;Mounting rod 601 is arranged on the bottom of top plate 3, telescopic pipe two 602 is arranged on the bottom of mounting rod 601, spring three 603 is arranged on the outer side of telescopic pipe two 602, the effect of telescopic pipe two 602 and spring three 603 can be that the bottom of lens is only pressed on grinding disc 503 when clamping lens of different thicknesses;Clamping assembly is arranged on the bottom of telescopic pipe three, for clamping lens of different sizes.The clamping assembly comprises clamping disc 604, spring four 605 and clamping block 606;Clamping disc 604 is arranged on the bottom of telescopic pipe two 602, spring four 605 is arranged on the inner side of clamping disc 604, spring four 605 is annularly arranged four around clamping disc 604, clamping block 606 is arranged on the end of spring four 605, clamping block 606 is arranged as trapezoidal block, lens can be pressed into vertical surface on four clamping blocks 606 according to inclined plane on clamping block 606, so that lens is clamped by extrusion through four spring four 605.

[0048] In summary, in use, the lens is aligned with the center of the clamping disc 604 and then pressed upward, the lens is pressed onto the vertical surface of the four clamping blocks 606 according to the inclined surface on the clamping block 606, so that the lens is clamped by the four spring four 605, then according to the material of the lens, the positioning rod 423 is pulled up by the pull rod two 425 to make it disengage from the slot 419, then the disc 421 is held, the disc 421 drives the connecting shaft 420 to rotate, the connecting shaft 420 drives the rotating part 418 to rotate in the fixed box 417, the storage groove of the required abrasive is aligned with the conveying part 428, then the pull rod two 425 is loosened, the positioning rod 423 is clamped into the slot 419 in the position under the action of the spring two 424, so that the rotating part 418 is fixed at the position, then the amount of abrasive put in each time is adjusted, the pull rod one 413 is pulled up to drive the plug rod 405 to disengage from the positioning hole 404, the sliding disc 402 is moved to drive the four sliding blocks 410 to slide respectively through the four rotating rods 408, the sliding block 410 drives the quantitative disc 411 to slide, so that the four quantitative discs 411 are simultaneously stretched outward or contracted inward, so as to change the capacity of the material groove in the feeding disc, the sliding disc 402 is moved to the corresponding scale and then stopped after the scale is accurately fixed, then the pull rod one 413 is loosened, the plug rod 405 is clamped into the positioning hole 404 under the action of the spring one 406, so that the position of the sliding disc 402 is fixed, and then the volume of the material groove in the material conveying disc 427 is determined, then the motor one 415 and the motor two 501 are started at the same time, the motor one 415 drives the rotating shaft one 414 to rotate, the rotating shaft one 414 drives the material conveying disc 427 to rotate, the abrasive enters the material conveying disc 427 from the upper end pipeline, and the abrasive is put on the grinding disc 503 from the lower end pipeline at the same time, and the motor two 501 drives the rotating shaft two 502 to rotate, the rotating shaft two 502 drives the grinding disc 503 to rotate to grind the lens.

[0049] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to this, within the knowledge range of the technical personnel in the technical field, various changes can be made without departing from the purpose of the utility model.

Claims

1. A lens surface grinding device, comprising a base (1), a support rod (2) disposed on the top of the base (1), and a top plate (3) disposed on the top of the support rod (2); characterized in that, Also includes: The feeding mechanism is set on the top plate (3) and is used to intermittently add different abrasives to assist in the grinding process when the lens is being ground. The conveying tray (427) has a conveying component (428) on its outer side. The conveying component (428) is mounted on the feeding mechanism. The inner side of the conveying tray (427) has four material troughs arranged in a ring. The four material troughs have the same volume, and the feeding mechanism adjusts the size of the four material troughs synchronously to change the amount of abrasive material fed each time. And a clamping mechanism, which is located at the bottom of the top plate (3) and is used to stably clamp lenses of different sizes.

2. The lens surface grinding device according to claim 1, characterized in that, It also includes a grinding assembly, which includes a second motor (501), a second rotating shaft (502), and a grinding disc (503). Motor 2 (501) is located on the top of the base plate, shaft 2 (502) is located at the output end of motor 2 (501), and grinding disc (503) is located on the top of shaft 2 (502).

3. The lens surface grinding device according to claim 1, characterized in that, The feeding mechanism includes a capacity adjustment component, a transport component, and a material changing component; The material changing assembly is located on the top plate (3) and is used to switch different abrasives according to the material of the lens; The transport component is located at the bottom of the material changing component and is used to transport and place the abrasive onto the grinding disc (503); The capacity adjustment component is located on the side of the transport component and is used to adjust the amount of abrasive transported by the transport component each time.

4. The lens surface grinding device according to claim 3, characterized in that, The capacity adjustment assembly includes a fixed rod (401), a sliding plate (402), a slide groove (403), and a positioning hole (404). A fixed rod (401) is provided on the side of the transport component, a sliding plate (402) is slidably provided on the outside of the fixed rod (401), a chute (403) is provided on the conveying plate (427), a positioning hole (404) is provided on the side of the fixed rod (401), a fixed frame (407) is provided on the outside of the sliding plate (402), an insert rod (405) is slidably provided on the inside of the fixed frame (407), a spring (406) is provided on the outside of the insert rod (405), a pull rod (413) is provided at the end of the insert rod (405), a rotating rod (408) is rotatably provided on the side of the sliding plate (402) near the conveying plate (427), a fixing member (409) is rotatably provided on the end of the rotating rod (408) away from the sliding plate (402), a sliding block (410) is provided on the side of the fixing member (409), and a baffle (412) is provided on the top of the metering plate (411).

5. The lens surface grinding apparatus according to claim 4, characterized in that, The transport components include a support frame (426), a motor (415), and a rotating shaft (414). A rotating shaft (414) is located at the end of the conveying tray (427) away from the fixed rod (401), a motor (415) is located at the end of the rotating shaft (414) away from the conveying tray (427), a support frame (426) is located on the outside of the motor (415), and a connecting pipe (416) is provided on the top of the transport component (428).

6. The lens surface grinding apparatus according to claim 3, characterized in that, The material changing assembly includes a fixed box (417), a rotating part (418), a slot (419), and a connecting shaft (420). The fixed box (417) is located on the top of the top plate (3), the rotating part (418) is rotatably located inside the fixed box (417), the connecting shaft (420) is located inside the rotating part (418), the top of the connecting shaft (420) is provided with a disc (421), the slot (419) is located on the rotating part (418), the outside of the fixed box (417) is provided with a connecting frame (422), the top of the connecting frame (422) is slidably provided with a positioning rod (423), the outside of the positioning rod (423) is provided with a spring (424), and the top of the positioning rod (423) is provided with a pull rod (425).

7. The lens surface grinding device according to claim 1, characterized in that, The clamping mechanism includes a mounting rod (601), a telescopic tube (602), a spring (603), and a clamping assembly; The mounting rod (601) is located at the bottom of the top plate (3), the telescopic tube two (602) is located at the bottom of the mounting rod (601), and the spring three (603) is located on the outside of the telescopic tube two (602); The clamping assembly is located at the bottom of the telescopic tube three and is used to clamp lenses of different sizes.

8. The lens surface grinding apparatus according to claim 7, characterized in that, The clamping assembly includes a clamping disc (604), a spring four (605), and a clamping block (606). The clamping disc (604) is located at the bottom of the telescopic tube 2 (602), the spring 4 (605) is located inside the clamping disc (604), and the clamping block (606) is located at the end of the spring 4 (605).

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