CN210232507U

CN210232507U - Grinding and polishing machine for lens plates

Info

Publication number: CN210232507U
Application number: CN201921148506.1U
Authority: CN
Inventors: Xianhua Xie; 谢显华; Yan Wang; 王艳; Zicui Wang; 王紫翠; Hongxin Xie; 谢红新
Original assignee: Foshan Qizhihui Photoelectric Technology Co Ltd
Current assignee: Foshan Qizhihui Photoelectric Technology Co Ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-04-03
Anticipated expiration: 2029-07-20

Abstract

The utility model discloses a grinding and polishing machine of lens panel relates to the processing equipment field of stage lamp camera lens. This grinding and polishing machine of lens panel is equipped with upright arm including the frame that is equipped with the grinding table, the both sides of frame, is equipped with the fixing device that can follow vertical direction ration and remove and fix a position between the coexistence arm, and fixing device is located the grinding table directly over, treats that the lens panel of grinding and polishing establishes at fixing device's lower surface, is equipped with the ration of symmetry on the coexistence arm and pulls positioner, and fixing device's both sides are passed through the ration and are pulled positioner and establish between the coexistence arm. The utility model discloses a set up the fixing device that can follow vertical direction ration and remove and fix a position on the standing arm of frame both sides for the lens panel of treating the abrasive polishing who fixes on this fixing device can move down with accurate position displacement volume, and excessive grinding when avoiding the abrasive polishing has saved raw and other materials. Meanwhile, the processes of feeding, fixing and discharging of the plates are quick and simple, and secondary damage to the plates cannot be caused.

Description

Grinding and polishing machine for lens plates

Technical Field

The utility model relates to a production and processing equipment field of camera lens, concretely relates to grinding and polishing machine of lens panel.

Background

The stage lamp is a common lighting device for the stage, and is mainly used in disco, dance hall, bar, night club and various large-scale performance places, in recent years, with the continuous maturity of LED technology, the LED light source has been gradually applied to the stage lamp field, the LED lamp has high luminous efficiency and good light stability, and is widely applied to stage lighting effect lighting at present. The optical components of the LED lamp bead lens comprise an LED lamp bead lens and a protective lens of a lens, the protective lens of the lens is usually made of glass with high hardness and high temperature resistance, and the surface of a plate needs to be ground and polished during production and processing.

Polishing refers to a process of reducing the roughness of a workpiece surface by mechanical, chemical, or electrochemical actions to obtain a bright, flat surface. The polishing process is to modify the surface of a workpiece by using a polishing tool and abrasive grains or other polishing media, and the polishing process cannot improve the dimensional accuracy or geometric accuracy of the workpiece, but is also used for extinction in some cases for the purpose of obtaining a smooth surface or mirror gloss.

Need use burnishing device when the production of lens adds man-hour, but present burnishing device's structure is mostly comparatively extensive, and the stroke control of the device of fixed panel when contacting with the grinding table is mostly manual control for the throwing of grinding is cut the volume and is difficult to accurate control, and the error is great, and the material waste is comparatively serious. Meanwhile, most of the plates are fixed by the clamping jaws, so that the plates are easy to damage.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that above-mentioned technique exists, the utility model provides a throwing cut volume of grinding is controlled accurately, the fixed convenient and fast's of panel lens panel grinding burnishing machine simultaneously.

The utility model discloses realize that the technical scheme that above-mentioned technological effect adopted is:

the utility model provides a lens panel's grinding and polishing machine, is including the frame that is equipped with the grinding table, the both sides of frame are equipped with the arm of standing, wherein, two it can follow the fixing device that vertical direction ration removed and fix a position to stand to be equipped with between the arm, fixing device is located directly over the grinding table, the lens panel of treating the grinding and polishing is established fixing device's lower surface.

Preferably, in the above lens plate polishing machine, two of the vertical arms are provided with symmetrical quantitative traction positioning devices, and two sides of the fixing device are arranged between the two vertical arms through the quantitative traction positioning devices.

Preferably, in the above grinding and polishing machine for lens plates, the quantitative traction and positioning device includes two vertical guide rods arranged on the vertical arm, a lead screw located between the two guide rods and vertically parallel to the guide rods, and a support plate slidably sleeved on the lead screw, two ends of the fixing device are respectively connected to the support plate on the corresponding side, and the lead screw is connected to a driving device.

Preferably, in the above lens plate polishing machine, the driving device includes a stepping motor fixed on the carrier plate, a motor shaft of the stepping motor is connected to a reduction gearbox, an output shaft of the reduction gearbox is connected to a first bevel gear, a second bevel gear is fixed on the top of the lead screw, and the gear ratio of the first bevel gear to the second bevel gear is 1: 8.

Preferably, in the above lens plate polishing and grinding machine, the grinding table includes a disc-shaped polishing disc, a central shaft of the polishing disc is connected to a servo motor, an annular retaining ring is disposed on the periphery of the polishing disc, and an annular groove is disposed between an inner circumferential wall surface of the retaining ring and an outer circumferential disc surface of the polishing disc.

Preferably, in the grinding and polishing machine of foretell lens panel, fixing device includes the weight plate, down the fixed disk and connects go up the weight plate with the joint box of fixed disk down, be fixed with four central symmetric distributions on the installation face of fixed disk down for adsorb the fixed negative pressure suction cup of treating the lens panel of grinding and polishing, the fixed disk is deviating from down one side fixed surface of installation face has four corresponding negative pressure pumps.

Preferably, in the above lens plate polishing and grinding machine, four counterweight wheel discs distributed centrosymmetrically are fixed on the upper surface of the upper counterweight disc, and the negative pressure pump is located in the connection box.

Preferably, in the above lens plate polishing machine, a plurality of air exhaust holes are annularly distributed on the suction surface of the negative pressure suction cup, the air exhaust holes of the negative pressure suction cup are connected to the corresponding negative pressure pump, and an annular sealing rubber ring is further disposed on the suction surface.

Preferably, in the above lens plate polishing and grinding machine, the counterweight sheave is made of cast iron.

Preferably, in the above grinding and polishing machine for lens plates, the sealing rubber ring is made of silicone rubber.

The utility model has the advantages that: the utility model discloses a grinding and polishing machine of lens panel can follow the fixing device that vertical direction ration removed and fix a position through setting up on the vertical arm of frame both sides for the lens panel of treating the abrasive polishing who fixes on this fixing device can move down with accurate displacement, and excessive grinding when avoiding the abrasive polishing has saved raw and other materials. Meanwhile, the fixing device with the special structure adopts the negative pressure sucker to fix the plate, so that the processes of feeding, fixing and discharging the plate are quick and simple, and secondary damage to the plate can be avoided.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of a part of the structure of the present invention;

fig. 3 is a perspective view of the present invention at another viewing angle;

fig. 4 is a side view of the quantitative traction positioning device of the present invention;

fig. 5 is a perspective view of the quantitative traction positioning device of the present invention;

FIG. 6 is a driving connection diagram of the first bevel gear and the second bevel gear according to the present invention;

fig. 7 is a perspective view of the fixing device of the present invention;

fig. 8 is a perspective view of the fixing device of the present invention from another viewing angle;

fig. 9 is a perspective view of the lower fixing tray of the present invention;

fig. 10 is a bottom view of the lower fixing tray of the present invention.

Detailed Description

For a further understanding of the invention, reference is made to the following description taken in conjunction with the accompanying drawings and specific examples, in which:

in the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

As shown in fig. 1 to 3, the embodiment of the present invention provides a lens plate polishing and grinding machine, which includes a frame 1, a grinding table 2 is disposed on a table top of the frame 1, two sides of the frame 1 are provided with vertical arms 11, a fixing device 5 is disposed between the vertical arms 11 and can be moved and positioned along a vertical direction, the fixing device 5 is disposed directly above the grinding table 2, and a lens plate 100 to be polished is disposed on a lower surface of the fixing device 5. When the polishing is performed, the fixing device 5 is displaced by a predetermined amount in the vertical direction along the vertical arm 11, and the lens plate 100 is polished by contact with the polishing table 2.

Specifically, in the preferred embodiment of the present invention, the two vertical arms 11 are provided with the symmetrical quantitative traction positioning device 3, the two sides of the fixing device 5 are arranged between the two vertical arms 11 through the quantitative traction positioning device 3, and the quantitative displacement of the fixing device 5 in the vertical direction is completed by means of the quantitative traction positioning device 3.

As shown in fig. 4 and 5, in the preferred embodiment of the present invention, the quantitative traction positioning device 3 includes two vertical guide rods 32 disposed on the vertical arm 11, a lead screw 31 disposed between the two guide rods 32, and a carrier plate 33 slidably disposed on the lead screw 31. The screw 31 is vertically parallel to the guide rod 32, two ends of the fixing device 5 are respectively connected to the carrier plates 33 on the corresponding sides, and the screw 31 is connected with a driving device. In the preferred embodiment of the present invention, the driving device includes a stepping motor 34 fixed on the carrier plate 33, and a motor shaft of the stepping motor 34 is connected to the reduction box. The reduction box is a motor reduction box in the prior art and is not described herein again. As shown in fig. 6, the output shaft of the reduction box is connected with a first bevel gear 341, the top of the screw 31 is fixed with a second bevel gear 312, and the gear ratio of the first bevel gear 341 to the second bevel gear 312 is 1: 8. The rotation speed of the stepping motor 34 is reduced by the reduction gear box, the first bevel gear 341 and the second bevel gear 312, and the rotation speed reduction of the screw 31 is realized. In order to reduce the wear of the cable, the carrier plate 33 is further connected with a drag chain 4, and a lead of the stepping motor 34 is arranged in the drag chain 4 in a penetrating way.

Specifically, as shown in fig. 4 and 5, the carrier plate 33 is sleeved on the bar body of the lead screw 31 through the nut 311, the nut 311 is engaged with the bar body of the lead screw 31 through a ball, the nut 311 is fixed on the lower surface of the carrier plate 33, and the lead screw 31 is driven to rotate by decelerating through the stepping motor 34, so that the nut 311 in rolling engagement with the lead screw 31 realizes stepping up-and-down displacement. Specifically, the screw 31 and the nut 311 adopt the existing ball screw technology, and the rolling fit structure of the nut 311 and the screw 31 is not described herein again.

Further, in the preferred embodiment of the present invention, as shown in fig. 2 and 3, the grinding table 2 includes a disc-shaped grinding disc 22, a servo motor 24 is connected to a central shaft of the grinding disc 22, and the grinding disc 22 is driven to rotate by the servo motor 24. The periphery of the sanding disc 22 is provided with an annular retainer ring 21, and an annular groove 23 is arranged between the inner circumferential wall surface of the retainer ring 21 and the outer circumferential disc surface of the sanding disc 22. The channel 23 is used for storing abrasive liquid, and in the grinding and polishing process, the abrasive liquid is input into the channel 23 through a liquid supply pump, so that the abrasive liquid can diffuse through the grinding surface of the grinding disc 22. The bottom of the channel 23 is also provided with a liquid discharge port (not shown in the figure), a plug is arranged on the liquid discharge port, after the grinding and polishing are finished, waste liquid can be discharged from the liquid discharge port by opening the plug, and a liquid discharge pipe is connected outside the liquid discharge port.

Further, in some embodiments, the fixture 5 includes an upper weight plate 51, a lower fixing plate 52, and a connection box 53 connecting the upper weight plate 51 and the lower fixing plate 52. Four negative pressure suction cups 522 which are distributed in a central symmetry manner are fixed on the mounting surface 521 of the lower fixed disk 52, and the negative pressure suction cups 522 are used for adsorbing and fixing the lens plate 100 to be ground and polished. Four counterweight wheel discs 511 which are distributed in a central symmetry manner are fixed on the upper surface of the upper counterweight disc 51, and a certain gravity can be provided for the whole fixing device 5 through the counterweight wheel discs 511, so that the shaking during polishing and grinding is avoided. The lower fixed disk 52 is further provided with an integrally formed upper retaining ring 524 at the circumferential side, and the diameter of the sanding disk 22 is smaller than that of the upper retaining ring 524. The absorption surface 5221 of the negative pressure sucker 522 is provided with a plurality of pumping holes 5222 distributed in an annular shape, the pumping holes 5222 of the negative pressure sucker 522 are connected with the corresponding negative pressure pump 523, and the absorption surface 5221 is further provided with an annular sealing rubber ring 5223. Four corresponding negative pressure pumps 523 are fixed to the surface of the lower fixed tray 52 on the side away from the mounting surface 521, negative pressure suction force is generated on the suction surface 5221 of the negative pressure suction pad 522 by the negative pressure pumps 523, and the negative pressure pumps 523 are located in the connection box 53. Connecting rods 54 are fixed to both sides of the connecting box 53, and the connecting rods 54 are fixedly connected to the carrier plates 33 on the corresponding upright arms 11.

When fixing the lens sheet material 100, the lens sheet material 100 is placed on the abrasive disk 22 such that the lens sheet material 100 corresponds to the corresponding negative pressure suction cups 522. The entire fixing device 5 is then moved down by the driving device, and the driving device is stopped after the vacuum chuck 522 comes into contact with the upper surface of the lens plate 100. At this time, the sealing rubber ring 5223 abuts against the upper surface of the lens plate material 100, a sealed space is formed in the region surrounded by the sealing rubber ring 5223, and then the negative pressure pump 523 is started to evacuate the sealed space, thereby creating a negative pressure suction force for the suction surface 5221 of the negative pressure suction cup 522, thereby achieving suction-fixing of the lens plate material 100. For realizing drive arrangement's automatic shutdown control when fixed lens panel 100, can set up pressure sensor on the negative pressure suction cup 522, when negative pressure suction cup 522 butt to the surface of lens panel 100, through the preset pressure threshold value that pressure sensor sensed to this sends sensing signal for the controller, send control command again through the controller and give drive arrangement's step motor 34, make step motor 34 stall, thereby overvoltage when avoiding fixing device 5 to move down, prevent that negative pressure suction cup 522 from causing the excessive pressure damage to lens panel 100 when the material loading. It should be noted that the shutdown control technique of the stepping motor 34 by the controller is prior art and will not be described herein.

As a preferred, the counter weight rim plate 511 is the counter weight rim plate of cast iron material, and sealing rubber ring 5223 is the sealing rubber ring of silicon rubber material, and negative sucker 522 is the negative sucker of plastic material.

It should be noted that, the stepping motor 34 and the servo motor 24 of the present invention are motor products in the prior art, and it is sufficient to satisfy the miniaturization. The utility model provides a servo motor chooses for use the brand to be the mitsubishi, and the model is MR-J2S-20A's servo motor, and step motor 34 chooses for use the model to be 20BYG 250-33's step motor, and step motor's controller chooses for use the brand to be misnco, and the model is MS-03's controller.

To sum up, the utility model discloses a grinding and polishing machine of lens panel can follow the fixing device that vertical direction ration removed and fix a position through setting up on the vertical arm of frame both sides for the lens panel of treating the abrasive polishing who fixes on this fixing device can move down with accurate position displacement, and excessive grinding when avoiding the abrasive polishing has saved raw and other materials. Meanwhile, the fixing device with the special structure adopts the negative pressure sucker to fix the plate, so that the processes of feeding, fixing and discharging the plate are quick and simple, and secondary damage to the plate can be avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims

1. The utility model provides a grinding and polishing machine of lens panel, is including frame (1) that is equipped with grinding table (2), the both sides of frame (1) are equipped with upright arm (11), its characterized in that, two be equipped with fixing device (5) that can follow vertical direction ration and remove and fix a position between upright arm (11), fixing device (5) are located directly over grinding table (2), establish lens panel (100) of waiting to grind the polishing the lower surface of fixing device (5).

2. The grinding and polishing machine for lens plates according to claim 1, characterized in that symmetrical quantitative traction and positioning devices (3) are arranged on the two vertical arms (11), and two sides of the fixing device (5) are arranged between the two vertical arms (11) through the quantitative traction and positioning devices (3).

3. The grinding and polishing machine for lens plates according to claim 2, characterized in that the quantitative traction and positioning device (3) comprises two vertical guide rods (32) arranged on the vertical arm (11), a lead screw (31) positioned between the two guide rods (32) and vertically parallel to the guide rods (32), and a support plate (33) slidably sleeved on the lead screw (31), wherein two ends of the fixing device (5) are respectively connected to the support plate (33) on the corresponding side, and the lead screw (31) is connected with a driving device.

4. The grinding and polishing machine for lens plates according to claim 3, characterized in that the driving device comprises a stepping motor (34) fixed on the carrier plate (33), a motor shaft of the stepping motor (34) is connected with a reduction gearbox, an output shaft of the reduction gearbox is connected with a first bevel gear (341), a second bevel gear (312) is fixed on the top of the lead screw (31), and the gear ratio of the first bevel gear (341) to the second bevel gear (312) is 1: 8.

5. The lens plate grinding and polishing machine according to claim 1, wherein said grinding table (2) comprises a disc-shaped grinding plate (22), a servo motor (24) is connected to the central axis of said grinding plate (22), an annular retainer ring (21) is provided on the periphery of said grinding plate (22), and an annular groove (23) is provided between the inner circumferential wall surface of said retainer ring (21) and the outer circumferential plate surface of said grinding plate (22).

6. The grinding and polishing machine for lens plates according to claim 5, characterized in that the fixing device (5) comprises an upper balance weight plate (51), a lower fixed plate (52) and a connecting box (53) for connecting the upper balance weight plate (51) and the lower fixed plate (52), four negative pressure suction cups (522) which are distributed in a central symmetry manner and are used for adsorbing and fixing the lens plates (100) to be ground and polished are fixed on the mounting surface (521) of the lower fixed plate (52), and four corresponding negative pressure pumps (523) are fixed on the surface of one side of the lower fixed plate (52) which is far away from the mounting surface (521).

7. The grinding and polishing machine for lens plates according to claim 6, characterized in that four centrally symmetrically distributed counterweight wheel discs (511) are fixed on the upper surface of the upper counterweight disc (51), and the negative pressure pump (523) is located in the connecting box (53).

8. The grinding and polishing machine for lens plates according to claim 6, characterized in that the suction surface (5221) of the negative pressure suction cup (522) is provided with a plurality of air extraction holes (5222) distributed annularly, the air extraction holes (5222) of the negative pressure suction cup (522) are connected with the corresponding negative pressure pump (523), and the suction surface (5221) is further provided with an annular sealing rubber ring (5223).

9. The machine for grinding and polishing lens plates according to claim 7, characterized in that said counterweight wheel disc (511) is a counterweight wheel disc made of cast iron.

10. The lens plate grinding and polishing machine according to claim 8, wherein said sealing rubber ring (5223) is a sealing rubber ring made of silicone rubber.