JPH0661446U - Lens grinding machine - Google Patents

Abstract

(57) [Abstract] [Purpose] In a lens grinding apparatus that grinds a lens to be processed into a shape corresponding to a lens frame shape of an eyeglass frame, the influence of odor generated during lens grinding work can be easily and surely prevented. The air containing odor generated from the lens during lens grinding is sucked by a fan 32d of a deodorizing circulation device 32, deodorized by a deodorizing filter 32c, and sent into a deodorizing box 31. The air in the deodorizing box 31 is sucked by the fan 33d of the deodorizing circulation device 33 this time, deodorized by the deodorizing filter 33c, and returned to the main body cover 1a again. Thus, during lens grinding, the air containing odor due to grinding is circulated between the main body cover 1a and the deodorizing box 31, and deodorized each time.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a lens grinding apparatus for grinding a lens to be processed into a shape corresponding to the shape of a lens frame of an eyeglass frame, and more particularly to a lens grinding apparatus provided with an opening / closing cover.

[0002]

[Prior art]

 In recent years, there has been a demand from eyeglass consumers for higher refractive index and lower dispersion of plastic lenses, and lens plastic compositions containing sulfur monomers have been developed. However, it is also known that when the plastic for lenses containing the sulfur-based monomer is subjected to polishing processing, an odor that is uncomfortable for humans is generated due to a chemical change due to heat generation at that time.

At eyeglass shops and department stores, manufacturers supply circular lenses, and the lenses need to be ground to match the shape of the frame used by the customer. Offensive odors and bad odors are major problems.

Therefore, the applicant of the present application has already filed an application (Japanese Patent Application No. Hei 4-58724) for a lens grinding device equipped with a deodorizing device for deodorizing the air in the grinding box and discharging it again into the grinding box. There is. As the structure of the deodorizing device, a deodorizing filter is arranged on the air intake side and a fan is provided on the downstream side.

[0005]

[Problems to be solved by the device]

 However, in the present invention, since the deodorizing device is attached to the main body cover of the lens grinding device, there is a drawback that the attaching work is troublesome.

On the other hand, there is a lens grinding device in which a deodorizing device is attached to an opening / closing cover of the lens grinding device so that air in the grinding box is deodorized and released to the outside. However, in such a configuration, when the deodorizing function is deteriorated, there is a possibility that the odor directly hits the worker, or the odor may spread to the outside.

The present invention has been made in view of the above points, and can easily and reliably prevent the influence of odors generated during lens grinding work, and easily attach a deodorizing device. An object of the present invention is to provide a lens grinding device capable of performing the above.

[0008]

[Means for Solving the Problems]

 In order to solve the above problems, the present invention relates to a lens grinding device for grinding a lens to be processed into a shape corresponding to a lens frame shape of an eyeglass frame, a grinding box having a grinding section for grinding the lens, and the grinding box. The first deodorizing unit attached to the opening / closing cover, the deodorizing box attached to the outside of the opening / closing cover, and the opening / closing cover to deodorize the air in the grinding box and send the deodorizing box to the deodorizing box. And a second deodorizing means attached to the opening / closing cover for deodorizing the air in the deodorizing box and sending the air to the grinding box, the first deodorizing means and the second deodorizing means. A lens grinding apparatus is provided, which comprises: an operation control unit that simultaneously controls operations.

[0009]

[Action]

 A deodorizing box is attached to the outside of the open / close cover that is attached to the grinding box that has a grinding section that grinds the lens. The open / close cover has a first deodorizing means for deodorizing the air in the grinding box and sending it into the deodorizing box, and a second deodorizing means for deodorizing the air in the deodorizing box and sending it into the grinding box. Attach. The operation control means controls the operation of the first deodorizing means and the second deodorizing means substantially at the same time.

Accordingly, first, the first deodorizing means deodorizes the air in the grinding box and sends it into the deodorizing box, and the second deodorizing means further deodorizes it and sends it again into the grinding box.

As described above, since the odor generated during the lens grinding is deodorized in two stages by the first deodorizing means and the second deodorizing means attached to the opening / closing cover, it is possible to surely perform the deodorizing. This reduces the risk of odor spreading to the outside.

Further, since it is only necessary to attach each deodorizing means to the opening / closing cover, it is not necessary to modify the cover of the main body, and it is possible to easily attach it to the already installed lens grinding device.

[0013]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 2 is a perspective view showing the configuration of the lens grinding apparatus main body. The lens grinding device main body 1 is generally covered with a main body cover 1a, and a grinding portion 10 is provided in the main body cover 1a. The driving operation of the grinding unit 10 is performed by the operation panel 1c provided on the front surface of the main body cover 1a. Further, an opening / closing cover 1b is attached to the upper part of the main body cover 1a so as to block the internal grinding portion 10 from the outside during the grinding work. Further, the opening / closing cover 1b is provided with a deodorizing device 30 for deodorizing the air inside the main body cover 1a.

FIG. 1 is a sectional view showing an internal configuration of a lens grinding device 50 using the lens grinding device body 1. The lens grinding device 50 of the present embodiment is mainly attached to the lens grinding device body 1, a stand 2 on which the lens grinding device body 1 is placed, a storage tank 20 provided in the stand 2, and an opening / closing cover 1b. The deodorizing device 30 is used.

The lens grinding unit 10 of the lens grinding apparatus main body 1 includes lens shafts 12 and 13 for grinding the lens 11 and a rotary grindstone 14. During the grinding of the lens 11, the grinding liquid is supplied from the storage tank 20 through the grinding liquid tube 15 and is sprayed on the lens 11. The sprayed grinding fluid is stored in a tray 1d formed in a part of the main body cover 1a, and is discharged to a storage tank 20 in the stand 2 via a drain port 1e and a drain hose 16.

The storage tank 20 has a lid 22 to which a circulation pump 21 is attached. Below the lid 22 is a hollow cylindrical pump guard 23 that surrounds the suction port of the circulation pump 21. Is provided. The pump guard 23 reaches the bottom of the storage tank 20, and a plurality of through holes each having a diameter of about 1 to 3 mm are formed on the front surface on the side surface of the storage tank 20, so that relatively large impurities such as broken pieces of a masking seal enter. It is designed to prevent

The water supply tube 24 of the circulation pump 21 is connected to the grinding fluid tube 15 by an adapter 25, and supplies a certain amount of grinding fluid into the lens grinding apparatus body 1. Further, in the storage tank 20, a vinyl bag 26 or the like is preliminarily arranged as a removable inner bag in order to prevent dirt generated on the inner wall of the storage hose 16 by the grinding liquid returning from the drain hose 16. This vinyl bag 26 is provided to discard the finally contaminated grinding fluid together with the grinding slag.

The circulation pump 21 starts its operation when a drive signal is sent from the lens grinding apparatus main body 1 through a signal line (not shown), and the circulation pump 21 operates between the lens grinding apparatus main body 1 and the storage tank 20. Circulate the grinding fluid.

A deodorizing box 31 that forms a deodorizing space with the opening / closing cover 1b is provided on the upper side of the opening / closing cover 1b of the lens grinding apparatus main body 1. Further, the opening / closing cover 1b is formed with two communication ports 34, 35 that connect the deodorizing box 31 and the main body cover 1a. A deodorizing circulation device 32 and a deodorizing circulation device 33 are attached to the opening / closing cover 1b so as to straddle the communication ports 34 and 35, respectively.

The deodorizing circulation device 32 mainly has a case 32 a attached to the main body cover 1 a side, a case 32 b attached to the deodorizing box 31 side, and a deodorizing filter 32. A large number of holes for ventilation are formed in each of the cases 32a and 32b. The case 32a on the body cover 1a side is filled with a deodorizing filter 32c. The deodorizing filter 32c is a commonly used activated carbon agent and has a thickness of about 15 mm. As the material of the deodorizing filter 32c, in addition to the activated carbon agent, an iron-based porous body, ozone, and a ceramic-based porous body containing a metal oxide can be used.

On the other hand, a fan 32d is provided in the case 32b on the deodorizing box 31 side. The fan 32d is drive-controlled by a deodorization control device (CR) 40 provided in the deodorization box 31, and sucks the air on the main body cover 1a side to the deodorization box 31 side via the deodorization filter 32c.

Like the deodorizing circulation device 32, the deodorizing circulation device 33 attached to the communication port 35 side has a case 33a attached to the main body cover 1a side and a case 33b attached to the deodorization box 31 side. There is. Further, a deodorizing filter 33c is provided in the case 33a, and a fan 33d is provided in the case 33b. These components and functions are almost the same as those of the deodorizing circulation device 32. However, the fan 33d is provided in the opposite direction to the fan 32d, and is controlled by the deodorization control device 40 to send the air in the deodorization box 31 into the main body cover 1a via the deodorization filter 33c.

The deodorization control device 40 is electrically connected to the operation panel 1c of the lens grinding device main body 1 and drives the fans 32d and 33d to rotate at the same time when the grinding unit 10 starts to operate. Further, the fans 32d and 33d are stopped after a predetermined time from the end of the grinding work. The deodorization control device 40 does not necessarily have to be provided inside the deodorization box 31, and may be provided outside the deodorization box 31 or inside the main body cover 1a. Alternatively, it may be incorporated in a control device (not shown) that controls the grinding unit 10.

Next, the operation of the lens grinding device 50 of this embodiment will be described. When the lens grinding work is started by operating the operation panel 1c of the lens grinding device main body 1, each device of the grinding unit 10 starts operating and starts grinding the lens 11. At the same time, the circulation pump 21 and the fans 32d and 33d of the deodorizing circulation devices 32 and 33 also operate.

When the circulation pump 21 operates, the grinding fluid in the storage tank 20 is sucked up and sent to the grinding section 10 via the water supply tube 24 and the grinding fluid tube 15. Then, it is scattered on the lens 11.

The sprayed grinding fluid is collected by the tray 1d and discharged to the storage tank 20 via the drain hose 16, and thereafter, spraying and collection are circulated. During lens grinding, the air inside the main body cover 1a is contaminated by the odor generated from the lens. The air containing the odor is sucked by the fan 32d of the deodorizing circulation device 32, deodorized by the deodorizing filter 32c, and sent into the deodorizing box 31. The air in the deodorization box 31 is sucked by the fan 33d of the deodorization circulation device 33 this time, deodorized by the deodorization filter 33c, and returned to the main body cover 1a again.

In this way, during lens grinding, air containing odor due to grinding is circulated between the body cover 1a and the deodorizing box 31, and deodorized each time. When the lens grinding is completed, the deodorization control device 40 drives the fans 32d and 33d for a certain period of time to sufficiently deodorize the air in the main body cover 1a, and then stops the air.

As described above, in this embodiment, the two deodorizing circulation devices 32 and 33 are attached to the opening / closing cover 1b, and the air is circulated between the main body cover 1a and the deodorizing box 31. The deodorizing filters 32c and 33c can efficiently deodorize.

Further, since the deodorizing device 30 need only be attached to the opening / closing cover 1b, it is not necessary to modify the main body cover 1a side, and the deodorizing device 30 can be easily attached to the already installed lens grinding device.

In the present embodiment, the fans 32d and 33d are controlled by the deodorization control device 40, but a manual switch may be provided on the stand 2 or the like so that the fan 32d and 33d can be operated by the intention of the operator.

Further, as long as the opening / closing cover 1b has a space, if a deodorizing circulation device is provided in addition to the deodorizing circulation devices 32 and 33, the deodorizing effect can be further enhanced.

[0032]

[Effect of device]

 As described above, in the present invention, the air in the grinding box is deodorized by the first deodorizing means and sent into the deodorizing box, and this air is further deodorized by the second deodorizing means and is again fed into the grinding box. Since it is sent, the air in the grinding box can be circulated while deodorizing. Therefore, the odor generated during lens grinding can be surely deodorized, and the odor is less likely to diffuse to the outside.

Further, since it is only necessary to attach each deodorizing means to the opening / closing cover, it is not necessary to modify the cover of the main body, and it is possible to easily attach it to the already installed lens grinding device.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an internal configuration of a lens grinding machine using a lens grinding machine body.

FIG. 2 is a perspective view showing an overall configuration of a lens grinding device main body.

[Explanation of symbols]

 1 Lens Grinding Device Main Body (Grinding Box) 1a Main Body Cover 1b Opening / Covering Cover 10 Grinding Part 11 Lens 30 Deodorizing Device 31 Deodorizing Box 32, 33 Deodorizing Circulating Device (Deodorizing Means) 40 Deodorizing Control Device 50 Lens Grinding Device

Continued Front Page (72) Inventor Toshio Sugiyama 2-7-5 Nakaochiai, Shinjuku-ku, Tokyo Inside Hoya Co., Ltd.

Claims (2)

[Scope of utility model registration request] 1. A lens grinding apparatus for grinding a lens to be processed into a shape corresponding to a lens frame shape of an eyeglass frame, a grinding box having a grinding section for grinding the lens, and an opening / closing cover attached to the grinding box. A deodorizing box attached to the outside of the opening / closing cover, a first deodorizing unit attached to the opening / closing cover, which deodorizes the air in the grinding box and sends the deodorizing air into the deodorizing box, and is attached to the opening / closing cover. A second deodorizing means for deodorizing the air in the deodorizing box and sending the air into the grinding box; and an operation control means for controlling the operation of the first deodorizing means and the second deodorizing means at substantially the same time. A lens grinding device characterized by having. 2. The operation control means is configured to stop the operation of the first deodorizing means and the second deodorizing means after a lapse of a predetermined time from the end of the lens grinding operation. The lens grinding device according to claim 1.