TWI362292B - Assembling method for camara module - Google Patents

Description

1362292 • October 18, 100, replacement page 6. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a camera lens assembly method [Prior Art]

[0002] With the continuous development of technology, portable electronic devices such as mobile phones have been widely used, and at the same time, they are becoming lighter, more beautiful and more multifunctional. The camera function is an additional function of the popular mobile phone in recent years. The digital camera module to be used in mobile phones must not only meet the requirements of being thin and light, but it must also have better performance. The method of assembling the camera lens module determines the main area of the county. In the assembly process of the digital camera lens module, it is necessary to (4) '_ device to glue the camera components, so 'improving the dispensing device will help improve its assembly capability. .

LUUU^J A researcher ‘flat compensation function 095121683—a ti W includes a platform, a shifting device, a dispenser, a control device and a platform with an upper surface material placed on the surface. The shift zone has a __base axis defined on the platform, and the positioning arm is located on the upper surface of the cantilever table that moves in the axial direction; ;; for the upper table, moves in the axial direction. The calibration = device controls the ^ and has exposure to the platform and points. Sigh on the h-, second and third surfaces of the platform. In the sense of just arrived at the second positioning signal. When calibrated, the sensor can emit ·, the X-axis direction moves to the first, the knife control the needle edge 2 touches the second and third surfaces of the calibrator, and 4~ face The sensor sends a positioning signal (4) 矣里焰号ΑΩ1ΓΠ ,

Form No. A0101 Page 4 of 13 1003382923-0 1362,292 100 years. October 18 Misplaced replacement page The control device compensates for the displacement of the calibration needle. [0004] In the use of the dispensing device, the starting position is still determined by the human eye to determine the position of the needle, so that a human error is generated, and the position of the dispensing cannot be accurately positioned. In addition, due to the difference in the position of the glue after each adjustment, the dispensing amount of the dispensing device is not easy to control, and it is easy to cause the phenomenon of insufficient glue and the amount of glue, thereby affecting the image quality of the entire lens; on the other hand, it is easy The unevenness of the dispensing amount causes stress at the bonding between the lens and the lens barrel and the spacer ring. Under long-term use, the camera lens module cannot be used due to the falling of the lens barrel and the spacer ring. SUMMARY OF THE INVENTION [0005] In view of the above, it is necessary to provide a dispensing device and a dispensing method capable of automatically adjusting the position of a needle. [0006] A dispensing device includes a needle, a syringe coupled to the needle, and a three-axis controller. The needle is provided with a flow passage for flowing the glue, the syringe has an inner cavity for holding the adhesive, the flow passage is in communication with the inner cavity of the syringe, and the syringe is fixed on the three-axis controller. The dispensing device is equipped with a range finder, and the distance measuring device is electrically connected with the three-axis controller, and the distance measuring device is used for detecting the distance between the needle and the dispensing position. [0007] A dispensing method comprising the steps of: providing a dispensing device as described above, detecting a distance between a needle and a dispensing position by a distance measuring device of the dispensing device, and transmitting the distance value signal to a point In the three-axis controller in the glue device, the three-axis controller adjusts the needle to a predetermined dispensing position according to the measured distance value, and then dispenses the glue. 095121683 Form No. A0101 Page 5 of 13 1003382923-0 1362292 October 18th, 100th, the shuttle is replacing k [0008] Compared with the prior art, the dispensing device and the dispensing method can automatically position the needle. Keeping the needle and the dispensing position in the same relative position, the amount of dispensing is equivalent, thereby saving the assembly time of the camera lens, and reducing the unevenness of the dispensing between the lens and the spacer ring and the inner wall of the lens barrel due to the uneven dispensing amount. The stress increases the image quality of the lens while avoiding the occurrence of a pin strike. [Embodiment] Referring to Figure 1, the dispensing position 10 of the present embodiment has a needle 11, a syringe 12, a range finder 14 and a three-axis controller 30. The needle 11 is coupled to the barrel 12, and the range finder 14 is disposed on the barrel 12 and is tightly coupled to the outer wall of the barrel 12. The syringe 12 is fixed to the three-axis controller 30. [0010] The needle 11 may have a hollow cylindrical shape in which a flow path 111 for flowing a glue is disposed, and one end of the flow path 111 away from the syringe 12 is used to flow out the adhesive.

[0011] The syringe 12 may have a hollow cylindrical shape in which an inner cavity 121 for pre-storing the adhesive is disposed, and the inner cavity 121 communicates with the flow path 111. [0012] The three-axis controller 30 can control the dispensing device 10 to move freely in the X, Y, and Z directions, to adjust the needle 11 to a predetermined dispensing position. [0013] The range finder 14 can be electrically connected to the three-axis controller 30, and the range finder 14 can measure the distance value of the needle 11 to a predetermined dispensing position and transmit the value to control the movement of the needle 11. On the three-axis controller 30, based on the distance value, the three-axis controller 30 re-adjusts the needle 11 to a predetermined dispensing position. The range finder 14 can be a radar range finder. [0014] The above dispensing device 10 can be applied to assemble a camera lens 20, please refer to FIG. 2 095121683 Form No. A0101 Page 6 / Total 13 Page 1003382923-0 1362292 100 years. October 18 Press the replacement page, the camera The lens 20 includes a lens barrel 21, a first lens 22, a second lens 23 and a spacer ring 24. A stopper ring 211 is provided on the inner wall of the lens barrel 21. The spacer ring has an annular shape, the outer diameter of which is equivalent to the inner diameter of the lens barrel, and the thickness thereof is set according to the optical requirement of the camera lens 20, and the through hole 241 is provided in the middle portion. The first lens 22, the spacer ring 24 and the second lens 23 are housed in the lens barrel 21. The first lens 22 has a stop ring 211 for holding the lens barrel 21 at the end. The spacer ring 24 is located between the first lens 22 and the second lens 23. The bottom and the side walls of the second lens 23 respectively pass the adhesive with the top of the spacer ring 24 and the inner wall of the lens barrel 21, such as UV glue (Ultraviolet glue,

UV glue), fixed by adhesion.

Referring to FIG. 3, the dispensing position may be the distance from the side wall of the lens barrel 21, the needle 11 to the side wall of the lens barrel 21, the upper surface of the spacer ring 24 near the needle 11, and the needle to the upper surface. Any location within the formed dispensing zone 40. The distance from the needle 11 to the inner wall of the barrel 21 and the distance from the needle 11 to the upper surface of the spacer ring 24 near the needle are measured by the range finder 14 and transmitted to the triaxial controller 30 to compare the standard values to set the dispensing position. The predetermined dispensing position obtained from the standard value is set as needed. [0016] Referring to FIG. 2 and FIG. 3, taking the camera lens 20 as an example, assembling a method for assembling a component to be dispensed includes the following steps: [0017] Step 1: providing a camera lens 20 to be assembled, the camera to be assembled The lens includes a lens barrel 21, a first lens 22, and a spacer ring 24. [0018] Step 2: providing a dispensing device 10, which is provided with an adhesive 13, and the dispensing device 10 is inserted into the lens barrel 21, the needle 11 is adjacent to the upper surface of the spacer ring 24 and the inner wall of the lens barrel 21, and the needle 11 There is a gap with the upper surface of the spacer ring 24, using 095121683 Form No. A0101 Page 7 / Total 13 Page 1003382923-0 1362292 [0020] [0020] [0024] [0024] [0025] [0025] [0025] Step 3: The distance value of the needle to the dispensing position measured by the range finder 14 is transmitted to the three-axis controller 3〇, and the three-axis controller 3〇 is based on the value and the standard value. In comparison, the needle u is adjusted to a predetermined dispensing position, and an appropriate amount of the adhesive 13 is pressed out. Step 4: Take out the dispensing device 10. Step 5: A second lens 23 is provided, and the second lens 23 is pressed into the lens barrel 21 to abut the spacer ring 24. The first lens 2 is fixed to the spacer ring 24 by the adhesive 13. This completes the assembly of the camera lens 20, "If more lenses are required," the above assembly steps can be repeated. The dispensing device 10 of the present invention is provided with a distance measuring device 14, which can detect the distance value of the needle 11 to the dispensing position at any time, and send the value to the three-axis controller 3〇 to make the three-axis controller 30 timely Adjusting the position of the needle to reduce the stress generated by the unevenness of the dispensing amount between the _ gauge 23 and the spacer ring 24 and the inner wall of the lens barrel 21, and the needle ^ can be automatically adjusted when the position of the spacer ring 24 is changed. Therefore, it is also possible to avoid the impact of the needle. The distance measuring device of the dispensing device provided by the present invention can be placed not only on the syringe but also on the needle. In summary, the invention conforms to the patent requirements of the invention, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make equivalent modifications or changes in accordance with the spirit of the present invention. Tt 095121683 Form No. A0101 Page 8 of 13 1003382923-0 1362292, 1 100' year. October 18th is replaced by the replacement page in the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS [0026] FIG. 1 is a schematic axial half-sectional view of a dispensing device according to an embodiment of the present invention. 2 is a cross-sectional view of a camera lens assembled using the dispensing device of FIG. 1. 3 is a cross-sectional view showing the dispensing device of FIG. 1 in a dispensing state of a camera lens to be assembled. [0028] FIG. [Main component symbol description] [0029] Dispensing device: 10

[0030] Needle: 11 [0031] Flow path: 111 [0032] Syringe: 12 [0033] Inner cavity: 1 2 1 [0034] Viscose: 13 [0035] Range finder: 14

[0036] Camera Lens: 20 [0037] Cylinder: 21 [0038] Stop Ring: 211 [0039] First Lens: 22 [0040] Second Lens: 23 [0041] Spacer Ring: 24 095121683 Form No. A0101 9 pages / total 13 pages 1003382923-0 1362292 [0042] Through hole: 241 [0043] Three-axis controller: 30 [0044] Dispensing area: 40 October 18, 100 shuttle is replacing 'page

095121683 Form No. A0101 Page 10 of 13 1003382923-0

Claims (1)

100 years. October 18th nuclear replacement page 1362292 VII. Patent application scope: 1. A camera lens module assembly method, comprising the following steps: providing a camera lens to be assembled, the camera lens to be assembled includes a lens barrel, a first lens and a spacer ring; a dispensing device comprising: a needle provided with a flow path for flowing the glue; and a syringe connected to the needle for holding the glue; a three-axis controller, the syringe is fixed on the three-axis controller; and a range finder, the range finder is electrically connected to the three-axis controller; Inserting the needle of the dispensing device into the lens barrel of the camera lens to be assembled, the needle is adjacent to the inner surface of the lens barrel and the upper surface of the spacer ring received by the lens barrel; the range finder in the dispensing device detects the needle to the a distance value of the inner wall of the lens barrel and a distance from the needle to the upper surface of the spacer ring, and transmitting the distance value signal to the three-axis controller in the dispensing device; the three-axis controller is based on the measured distance The value is adjusted to the predetermined dispensing position; the glue is dispensed to the dispensing position; the dispensing device is removed; a second lens is provided, disposed on the inner side of the lens barrel, and the adhesive is attached to the inner side of the lens barrel. 2. The assembly method according to claim 1, wherein the dispensing position is an upper surface of the spacer ring or an inner wall of the lens barrel or an upper surface of the spacer ring and an inner wall of the lens barrel. 3. The assembly method according to claim 2, wherein the needle and the respective dispensing positions are maintained at the same relative position after adjustment by the three-axis controller 095121683 Form No. A0101 Page 11 / Total 13 Page 1003382923 -0