TWI385032B - Fixing device using for gluing and gluing method - Google Patents

Description

Dispensing fixture and dispensing method

The invention relates to a dispensing fixing fixture and a dispensing method, in particular to a fixture for fixing an optical lens in a dispensing process and a dispensing method using the same.

With the development of multimedia technology, electronic products such as digital cameras, camcorders and mobile phones with camera functions are increasingly favored by consumers (see Capturing images with digital still cameras, Micro, IEEE Volume: 18, issue: 6, Nov.-Dec. 1998 Page(s): 14-19). At the same time as people's pursuit of miniaturization of digital cameras, camcorders and mobile phones with camera functions, they are becoming lighter, more beautiful and more versatile. Among them, the camera function is an additional function of the popular mobile phones in recent years. The camera module used in mobile phones must not only meet the requirements of lightness and thinness, but also have high optical performance. The assembly method of the camera lens module is one of the main factors determining the optical performance. In the assembly process of the camera lens module, a dispensing device is used for dispensing to assemble the optical components of the camera lens module.

In the dispensing operation of the optical lens, the optical lens is first placed in the tray, and then the needle of the dispensing device is directly placed on the surface of the optical lens for dispensing. Since the optical lens is very light, in the dispensing process, the adhesive needle is often adhered to the optical lens due to the adhesiveness of the glue, and the dispensing lens is taken up from the tray when the dispensing needle leaves the optical lens, thereby affecting dispensing. The quality and efficiency of dispensing.

In view of this, it is necessary to provide a dispensing fixture capable of improving the quality of dispensing and dispensing efficiency, and a method of dispensing the same using the fixture.

A dispensing fixture for fixing an optical lens in a dispensing process, comprising: a tray having an optical lens receiving hole arranged in an array of rows; a fixing unit having a plurality of elongated strips a through hole having a width smaller than a diameter of the optical lens receiving hole, wherein the fixing unit is disposed on the surface of the tray having an optical lens receiving hole, and the elongated through holes are respectively associated with the optical lens receiving hole In each row, the optical lens is fixed in the optical lens receiving cavity during the dispensing process.

A dispensing method, comprising the steps of: providing a dispensing fixture and a dispensing device as described above; placing an optical lens in an optical lens receiving cavity of the tray; fixing the fixing unit to the tray Aligning each of the elongated through holes of the fixing unit with each row of the optical lens placed on the tray; using the dispensing device to dispense the two end points of the optical lens surface in the row direction; relative to the tray Rotating the fixing unit, and fixing the fixing unit to the surface of the tray, so that the long through holes of the fixing unit are respectively opposite to the rows of the optical lenses placed on the tray; the optical lens is used by the dispensing device The surface is dispensed at two endpoints in the column direction.

Compared with the prior art, in the dispensing process, the fixing unit of the dispensing fixture fixes the optical lens in the optical lens receiving cavity of the tray, Therefore, after dispensing, the dispensing device does not pick up the optical lens due to the adhesiveness of the glue when leaving the optical lens, thereby improving the dispensing quality and dispensing efficiency.

The invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1 and FIG. 2 , a dispensing jig 100 for fixing a optical lens (refer to FIG. 3 and FIG. 4 ) during dispensing process is provided for an embodiment of the present invention. The jig 100 includes a tray 10 and a fixing unit 20 fixed to the tray 10.

The tray 10 is provided with a plurality of optical lens receiving holes 11 which are arranged in a matrix. The number of rows of the optical lens receiving holes is equal to the number of columns, and the row spacing is equal to the column spacing. Threaded holes 14 are respectively provided at four corners of the tray 10.

The fixing unit 20 is provided with a plurality of rows of elongated through holes 22 which are parallel to each other. The number of the elongated through holes 22 is equal to the number of rows and columns of the optical lens receiving holes 11 of the tray 10, and each of the elongated through holes The spacing between the two is equal to the line spacing and column spacing of the optical lens receiving pockets 11 of the tray 10.

In addition, the shape of the optical lens receiving cavity 11 is matched with the optical lens for accommodating the optical lens, and the width of the elongated through hole 22 is slightly smaller than the diameter of the optical lens, so the fixing unit 20 can The lens is fixed in the optical lens receiving cavity 11 of the tray 10. The length of the elongated through hole 22 is long enough to expose the respective optical lenses placed in the optical lens receiving cavity 11 through the elongated through hole 22 portion. The solid The fixing unit 20 is provided with a through hole 24 corresponding to each of the four threaded holes 14 of the tray 10.

When dispensing the optical lens, first select the tray 10 having the appropriate size of the optical lens receiving hole 11 according to the size of the optical lens to be dispensed, and place the optical lens in the optical lens receiving hole 11 of the tray 10, and then fix the unit. The through hole 24 of the 20 is aligned with the threaded hole 14 of the tray 10, and the fixing unit 20 is fixed to the tray 10 by the stud 30, so that the elongated through hole 22 of the fixing unit 20 and the optical lens receiving hole 11 are The optical lenses are fixed to the optical lens receiving pockets 11 of the tray 10 opposite each row.

It can be understood that the fixing unit 20 can be fixed to the tray 10 by rotating 90 degrees, and the elongated through holes 22 of the fixing unit 20 are opposed to the respective rows of the optical lens receiving holes 11 of the tray 10, and the optical lens is fixed on the optical lens. The optical lens of the tray 10 is received in the cavity 11.

It can be understood that the number of rows and the number of rows of the optical lens receiving pockets 11 of the tray 10 may not be equal, as long as the number of the elongated through holes 22 of the fixing unit 20 is greater than or equal to the number of rows and columns of the optical lens receiving pockets 11 of the tray. The larger one can be.

A second embodiment of the present invention provides a dispensing method, the dispensing method comprising the steps of: (1) providing a dispensing fixture as described above and a dispensing device; and (2) placing the optical lens on the tray (3) fixing the fixing unit to the tray, so that the long through holes of the fixing unit are respectively opposite to the rows of the optical lenses placed on the tray; (4) using the dispensing device Dispense the two end points of the surface of the optical lens in the row direction; (5) rotate the fixing unit relative to the tray, and fix the surface The unit is fixed on the surface of the tray, so that the long through holes of the fixing unit are respectively opposed to the columns of the optical lenses placed on the tray; (6) using the dispensing device to face the surface of the optical lens in the column direction The endpoints are dispensed.

As shown in FIGS. 4 and 5, in the step (1), a dispensing fixing jig 100 and a dispensing device 200 as described above are provided. The dispensing device includes a syringe 60 and a needle 40 that interfaces with the syringe 60.

In the step (2), the optical lens 50 to be dispensed is placed in the optical lens receiving cavity 11 of the tray 10.

In the step (3), the fixing unit 20 is fixed to the tray 10 such that the elongated through holes 22 of the fixing unit 20 are opposite to the rows of the optical lenses 50 placed on the tray 10, due to the fixing unit 20 The width of the elongated through hole 22 is slightly smaller than the diameter of the optical lens 50, so that the optical lens 50 is fixed in the optical lens receiving cavity 11.

In step (4), the dispensing tip 40 of the dispensing device 200 is aligned with the two end points A, B of the surface of the optical lens 50 in the row direction, and the dispensing position is reached until the tray 10 is in the tray 10 The optical lens 50 is completely dispensed.

In the step (5), the fixing unit 20 is rotated 90 degrees clockwise or counterclockwise with respect to the tray 10, and the fixing unit 20 is fixed on the surface of the tray 10 to make the long through hole 22 of the fixing unit 20 Opposite the columns of the optical lenses 50 placed on the tray 10, since the width of the elongated through holes 22 of the fixing unit 20 is slightly smaller than the diameter of the optical lens 50, the optical lens 50 is fixed to the optical lens. The inside of the shelter hole 11.

In step (6), the dispensing needle 40 of the dispensing device 200 is aligned with the two end points C, D of the surface of the optical lens 50 in the column direction, and the glue is dispensed to the dispensing. Position until the dispensing of the optical lens 50 in the tray 10 is complete. Then, the fixing unit 20 is removed, and the optical lens 50 is assembled into the lens barrel, and the glue on the optical lens 50 is bonded to other optical components in the lens barrel or the lens barrel.

Because the fixing unit 20 of the dispensing fixture 100 fixes the optical lens 50 in the optical lens receiving cavity 11 of the tray 10 during the dispensing process, the dispensing device 200 leaves the optical lens 50 after dispensing. The optical lens 50 is not brought up by the adhesiveness of the glue, and therefore, the dispensing quality and the dispensing efficiency are improved.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

Threaded hole ‧‧14

Dispensing fixture ‧‧‧100

Tray ‧‧10

Fixed unit ‧‧20

Optical lens housing hole ‧‧11

Long through hole ‧‧22

Through hole ‧ ‧ 24

Stud ‧ ‧ 30

Dispensing device ‧‧200

Syringe ‧‧60

Dispensing needle ‧ ‧ 40

Optical lenses ‧ ‧ 50

FIG. 1 is an exploded perspective view of a dispensing jig according to a first embodiment of the present invention.

2 is a schematic view of a dispensing jig according to a first embodiment of the present invention.

3 is a schematic view of a dispensing method according to a second embodiment of the present invention.

4 is a schematic view of a dispensing method according to a second embodiment of the present invention.

Threaded hole ‧‧14

Dispensing fixture ‧‧‧100

Tray ‧‧10

Fixed unit ‧‧20

Optical lens housing hole ‧‧11

Long through hole ‧‧22

Through hole ‧ ‧ 24

Stud ‧ ‧ 30

Claims (10)

A dispensing fixture for fixing an optical lens during a dispensing process, comprising: a tray, the tray surface is provided with an array of optical lens receiving holes; a fixed unit, the fixed unit is disposed The length of the long through hole is smaller than the diameter of the optical lens receiving hole, and the fixing unit is disposed on the surface of the tray having the optical lens receiving hole, and the elongated through holes respectively The optical lens receiving holes are opposite to each other, and the optical lens is fixed in the optical lens receiving hole during the dispensing process. The dispensing fixture of claim 1 , wherein the row spacing of the optical lens receiving pockets of the tray is equal to the column spacing. The dispensing fixture of claim 2, wherein the row spacing of the elongated through holes of the fixing unit is equal to the row spacing and column spacing of the optical lens receiving pockets of the tray. The dispensing fixture of claim 1, wherein the fixing unit is fixed to the tray by screws, studs or bolts. The dispensing fixture of claim 4, wherein the tray has a threaded hole at a peripheral portion of the surface of the optical lens receiving pocket, and the fixing unit is disposed corresponding to the threaded hole of the tray. There are threaded holes or through holes. A dispensing method, the method comprising the steps of: providing a dispensing fixture as described in claim 1 and a dispensing device; Placing an optical lens in the optical lens receiving cavity of the tray; fixing the fixing unit to the tray, so that each elongated through hole of the fixing unit is respectively opposite to each row of the optical lens placed on the tray Dissipating the two end points of the surface of the optical lens in the row direction by using the dispensing device; rotating the fixing unit relative to the tray, and fixing the fixing unit to the surface of the tray to fix the fixing Each of the elongated through holes of the unit is opposite to each of the rows of optical lenses placed on the tray; and the two end points of the surface of the optical lens in the column direction are dispensed by the dispensing device. The dispensing method of claim 6, wherein the row spacing of the optical lens receiving pockets of the tray is equal to the column spacing. The dispensing method of claim 7, wherein the row spacing of the elongated through holes of the fixing unit is equal to the row spacing and column spacing of the optical lens receiving pockets of the tray. The dispensing method of claim 6, wherein the fixing unit is fixed to the tray by screws, studs or bolts. The dispensing method of claim 9, wherein the tray is provided with a plurality of rows of optical lens receiving pockets, and a peripheral portion of the surface is provided with a threaded hole, and the fixing unit is disposed corresponding to the threaded hole of the tray. There are threaded holes or through holes.