TWI445645B - Lens tray - Google Patents

Description

Lens bearing fixture

The invention relates to a lens bearing fixture, in particular to a lens bearing fixture having an introduction channel and a fixing member.

With the development of camera technology, the lens module has been widely used in various types of camera devices. The lens module generally includes a lens barrel, a lens holder, and a lens group, a spacer ring, and a filter housed in the lens barrel.

The finished lens is usually placed on the fixture with a nozzle for subsequent processing, such as when assembling the lens module. Under normal circumstances, the aperture of the receiving hole for carrying the lens in the fixture is not much different from the outer diameter of the lens, thereby preventing the lens from shaking or falling in the fixture. However, the aperture of the receiving hole for carrying the lens in the fixture is not much different from the outer diameter of the lens, which will bring certain difficulties to the placement of the lens. For example, the lens sucked by the nozzle is difficult to align with the receiving hole of the lens in the fixture. Therefore, the lens is not easily and smoothly placed in the receiving hole in the jig, so that additional manual placement is required, which greatly increases the corresponding operation time and corresponding cost. In addition, since the aperture of the receiving hole is not much different from the outer diameter of the lens, when the lens is placed in the receiving hole, the edge of the lens and the receiving hole may be bumped. In severe cases, the lens may be scratched and the quality of the lens may be affected. The production of defective products.

In view of the above, it is necessary to provide a lens-carrying jig that is easy to implement and that can effectively solve the problems in the prior art.

A lens bearing fixture includes a base and an upper cover. The base includes a first surface, and the first surface is provided with a plurality of receiving holes for receiving the lens. The upper cover is overlapped with the base, and the upper cover is located on the first surface, the upper cover is provided with a plurality of conductive holes, and the plurality of conductive holes are in one-to-one correspondence with the plurality of receiving holes of the base The same. Each of the receiving holes includes a bearing hole and a first tapered hole penetrating the bearing hole, and the first tapered hole is formed on the first surface and extends toward the inside of the base. The aperture of the first tapered hole gradually decreases in a direction away from the first surface, and the bearing hole is at an end of the first tapered hole away from the first surface and the first tapered hole The through holes of the portion of the first tapered hole connected to the bearing hole are equal. The upper cover is further provided with a plurality of fixing rings protruding in a direction corresponding to the plurality of through holes, each of the fixing rings being disposed at a corresponding one of the through holes facing the One end of the base, each of the fixing rings is connected to a corresponding one of the through holes and is received in a corresponding one of the receiving holes.

Compared with the prior art, the lens bearing fixture of the present invention has the following advantages: First, when the lens is placed in the receiving hole of the lens carrying fixture, the lens can be smoothly introduced into the bearing hole through the first tapered hole in the receiving hole. Internally, without the need for additional manual placement, the efficiency of placing the lens can be effectively increased. Secondly, when the fixing ring of the upper cover of the lens bearing fixture cooperates with the receiving hole of the base, the lens carried on the bearing hole can be effectively fixed, and the lens can be placed in place by the adjusting action of the fixing ring on the lens. Inside the bearing hole. Thirdly, the first tapered hole in the receiving hole is an open structure, and the aperture has a large difference from the outer diameter of the lens. When the lens is placed in the receiving hole, the edge of the lens and the receiving hole are less likely to collide, and the lens can be avoided. The quality of the lens is affected by scratching, and the generation of defective products is reduced.

The technical solution will be further described in detail below with reference to the accompanying drawings and embodiments.

1 to 3, a lens carrying jig 100 for carrying and fixing a lens according to a first embodiment of the present invention includes a base 10 and an upper cover 30.

The base 10 and the upper cover 30 are stacked to form the lens bearing jig 100 , wherein the upper cover 30 is located above the base 10 . In this embodiment, the lens-carrying jig 100 of the square structure is taken as an example, that is, the base 10 and the upper cover 30 of the lens-carrying jig 100 in the embodiment are square structures, and the base 10 and the The length of the cover 30 is equal to the width dimension.

The base 10 has a first surface 11 , a second surface 12 opposite to the first surface 11 , and a plurality of receiving holes 13 . The first surface 11 faces the upper cover 30 and overlaps the upper cover 30, and the second surface 12 faces away from the upper cover 30. The plurality of receiving holes 13 are defined in the first surface 11 and extend toward the inside of the base 10 . In the embodiment, the plurality of receiving holes 13 are vertically and horizontally aligned with respect to the length and width of the base 10 .

Each of the receiving holes 13 is for receiving a lens (not shown). Each of the receiving holes 13 includes a bearing hole 131 and a first tapered hole 133.

The first tapered hole 133 is continuous with the bearing hole 131. The first tapered hole 133 is formed on the first surface 11 and extends toward the inside of the base 10, the first tapered hole The aperture of 133 gradually decreases in a direction away from the first surface 11. The bearing hole 131 penetrates the first tapered hole 133 at an end of the first tapered hole 133 away from the first surface 11 , and the first tapered hole 133 is opposite to the bearing hole 131 The connected portions have the same aperture, that is, the smallest aperture of the first tapered hole 133 is equal to the aperture of the bearing hole 131, whereby the first tapered hole 133 forms an open type toward the outside of the base 10. Trumpet structure.

The bearing hole 131 is used to carry a lens whose radial cross-sectional shape corresponds to the radial cross-sectional shape of the lens. The aperture of the bearing hole 131 is slightly larger than the diameter of the lens. Therefore, the lateral space of the lens carried in the bearing hole 131 can be restricted, and large lateral movement of the lens in the bearing hole 131 can be avoided. In this embodiment, the bearing hole 131 is a cylindrical hole, and the bottom surface thereof is a bearing surface 1311 for carrying a lens (as shown in FIG. 3).

It can be understood that, according to the radial cross-sectional shape of the actual bearing lens, the bearing holes 131 of different radial cross-sectional shapes can be designed, whereby the bearing holes 131 can carry lenses of various shapes such as circular, square and the like. Similarly, the axial cross-sectional shape of the bearing hole 131 can also be designed according to the axial cross-sectional shape of the actual bearing lens. For example, when the lens is a lenticular lens, the bottom surface of the bearing hole 131, that is, the bearing A face or recess is formed in the face 1311 having a radial dimension that is less than the radial dimension of the lens for receiving the projection of the lens. Moreover, the shape of the hole or groove for accommodating the protrusion of the lens may correspond to the shape of the protrusion of the lens, or may directly penetrate to the second surface 12 of the base 10, of course, in order to be effectively carried The radial dimension of the lens or the recess or groove for receiving the protrusion of the lens should be smaller than the radial dimension of the lens. At this time, the bearing surface 1311 of the bearing hole 131 has a ring shape.

The first tapered hole 133 is configured to be introduced into the bearing hole 131, so that when the lens is placed on the bearing hole 131, the lens can be smoothly introduced through the first tapered hole 133. The inside of the bearing hole 131.

It can be understood that the transition of the first tapered hole 133 and the bearing hole 131 can be rounded, thereby allowing the first tapered hole 133 to smoothly transition to the The bearing hole 131 is more advantageous for the lens to be smoothly introduced into the bearing hole 131 from the first tapered hole 133.

Further, the second surface 12 of the base 10 is provided with a plurality of second tapered holes 17 extending toward the inside of the base 10, and the plurality of second tapered holes 17 and the plurality of receiving holes 13 One-to-one correspondence. a portion of each of the second tapered holes 17 connected to the corresponding receiving hole 131 of the receiving hole 13 has an aperture smaller than an aperture of the bearing hole 131, and an aperture of each of the second tapered holes 17. The axial direction gradually increases from one end toward the bearing hole 131 to one end away from the bearing hole 131, such that each of the second tapered holes 17 forms an open flared structure toward the outside of the base 10. . Therefore, when the lens is coated by the lens bearing jig 100, the shielding area of the lens by the base 10 can be reduced through the second tapered hole 17 of the open-type horn structure, so that the lens is away from the The surface of the upper cover 30 is sufficiently exposed to the outside to ensure that the lens is sufficiently coated away from the surface of the upper cover 30.

The upper cover 30 has a third surface 31, a fourth surface 32 opposite to the third surface 31, and a plurality of via holes 33. The third surface 31 faces the base 10 and overlaps the first surface 11 of the base 10, the fourth surface 32 facing away from the base 10. The plurality of through holes 33 are defined in the fourth surface 32, and each of the through holes 33 extends toward the inside of the upper cover 30 and penetrates the upper cover 30, that is, each of the through holes 33 The third surface 31 of the upper cover 30 extends to the fourth surface 32. The plurality of through holes 33 are in one-to-one correspondence with the plurality of receiving holes 13 of the base 10. In the embodiment, each of the through holes 33 is coaxial with a corresponding one of the receiving holes 13.

Further, the diameter of each of the through holes 33 gradually increases from an end toward the base 10 to an end away from the base 10, that is, an aperture of each of the through holes 33 is from the The third surface 31 to the fourth surface 32 are gradually increased such that each of the through holes 33 forms an open flared structure away from the base 10. Therefore, when the lens is coated by the lens-carrying jig 100, the shielding area of the lens by the upper cover 30 can be reduced through the through-hole 33 of the open-type horn structure, and the lens faces the upper cover 30. The surface is sufficiently exposed to the outside to ensure that the lens is sufficiently coated toward the surface of the upper cover 30.

The upper cover 30 is further provided with a plurality of fixing rings 35 protruding toward the base 10 , and the plurality of fixing rings 35 are in one-to-one correspondence with the plurality of through holes 33 . Each of the fixing rings 35 is disposed at one end of the corresponding one of the through holes 33 facing the base 10, and each of the fixing rings 35 is connected to the corresponding one of the through holes 33 and is received in the same A corresponding one of the receiving holes 13 , that is, each of the fixing rings 35 is disposed on the third surface 31 of the upper cover 30 and faces the base 10 . In this embodiment, the shape of each of the fixing rings 35 corresponds to the shape of the corresponding receiving hole 13 , and each of the fixing rings 35 has a funnel shape, and each of the fixing rings 35 has a corresponding shape. The fixing portion 351 of the bearing hole 131 and the connecting portion 353 corresponding to the first tapered hole 133. The fixing portion 351 is inserted into the bearing hole 131 for fixing the lens carried in the bearing hole 131. When the lens is fixed, the fixing portion 351 faces away from the end of the upper cover 30 against the lens to be carried. The non-optical portion 43 (shown in FIG. 5) cooperates with the bearing surface 1311 of the bearing hole 131 to catch the non-optical portion 43 of the lens to be carried. The fixing ring 35 is connected and fixed to the third surface 31 of the upper cover 30 by the connecting portion 353.

Preferably, each of the fixing rings 35 is coaxial with a corresponding one of the through holes 33. Therefore, each of the fixing rings 35 is coaxial with a corresponding one of the through holes 33 and the receiving holes 13.

The size of each of the fixing rings 35 is smaller than the size of one of the receiving holes 13 corresponding thereto, thereby ensuring that each of the fixing rings 35 can be smoothly inserted into a corresponding one of the receiving holes 13.

It can be understood that the axial dimension of each of the fixing rings 35 can be designed according to the axial dimension of the receiving hole 13 and the thickness dimension of the lens to be carried, whereby the upper cover 30 and the base 10 are When mated, it is ensured that the third surface 31 of the upper cover 30 overlaps the first surface 11 of the base 10.

It can be understood that when the outer circumferential surface of each of the fixing rings 35 is in contact with the inner circumferential surface of the corresponding one of the receiving holes 13 , the fixing ring 35 can form a transition fit with the receiving hole 13 or An interference fit, that is, after the plurality of fixing rings 35 of the upper cover 30 are inserted into the plurality of receiving holes 13 of the base 10, the upper cover 30 and the base 10 can be closely fitted and fixed to each other, thereby A fixing member, such as a pin shaft and a pin hole, which are provided to be fixed and positioned with each other between the upper cover 30 and the base 10 may be omitted.

Preferably, the fixing ring 35 is made of plastic or rubber. Therefore, when the fixing ring 35 is in contact with the lens carried in the bearing hole 131, the material of the fixing ring 35 can be avoided. Scratches the lens and affects the outer surface of the lens.

It can be understood that the plurality of fixing rings 35 may be integrally formed with the upper cover 30 as a part of the upper cover 30, or may be separately formed as a plurality of fittings of the upper cover 30, and detachably mounted on the upper cover 30. The upper cover 30.

It can be understood that the specific shape of the lens bearing jig 100 is not limited to the present embodiment, and the lens bearing jig 100 can also be designed to be circular or elliptical according to actual use. Moreover, the arrangement of the receiving holes 13 in the base 10 is not limited to the vertical and horizontal arrangement in the embodiment. According to the actual use, the arrangement of the receiving holes 13 may also be the center of the base 10. The center of the circle is arranged in a concentric arrangement, and the arrangement of the through holes 33 and the fixing ring 35 of the upper cover 30 in the lens bearing jig 100 may correspond to the arrangement of the receiving holes 13.

Referring to FIG. 4 and FIG. 5 together, the lens 40 is taken as an example to illustrate the use of the lens bearing fixture 100. The lens 40 is a lenticular lens having an optical portion 41 intermediate the lens 40 and a non-optical portion 43 located around the lens 40.

Before placing the lens 40, the lens 10 and the upper cover 30 of the jig in the jig 100 are separated. The lens 40 is then placed on the first tapered hole 133 of the base 10, and the lens 40 smoothly enters the bearing hole 131 under the introduction of the first tapered hole 133. After the base 10 is placed on the lens 40, the upper cover 30 is inserted into the receiving hole 13 of the base 10 in a one-to-one correspondence with the base 10, and the fixing ring 35 of the upper cover 30 is inserted into the receiving hole 13 of the base 10. The base 10 and the upper cover 30 overlap the third surface 31 of the upper cover 30 with the first surface 11 of the base 10, during which the fixing portion 351 of the fixing ring 35 acts as a pressing force. The lens 40 that is not placed in position or tilted in the bearing hole 131 is adjusted, so that the lens 40 that is not placed in position or tilted is carried in the bearing hole 131 in place, and finally by the fixing ring 35. The non-optical portion 43 of the lens 40 is engaged with the bearing surface 1311 of the bearing hole 131, and the lens 40 is fixed in the bearing hole 131 of the base 10.

Since the retaining ring 35 can effectively catch the non-optical portion 43 of the lens 40, the retaining ring 35 can effectively prevent the lens 40 from swaying in the radial direction or/and the axial direction.

It can be understood that when the lens bearing jig 100 is used for the lens 40 coating process, when the lens bearing jig 100 carrying the lens 40 is placed in the coating device, the lens bearing jig 100 is performed. The through hole 33 and the second tapered hole 17 of the open-type horn structure of the lens bearing fixture 100 can respectively expose the portion to be coated of the lens 40 to the coating environment, thereby facilitating smooth operation. Finish the corresponding coating process.

Compared with the prior art, the lens bearing fixture of the present invention has the following advantages: First, when the lens is placed in the receiving hole of the lens carrying fixture, the lens can be smoothly introduced into the bearing hole through the first tapered hole in the receiving hole. Internally, without the need for additional manual placement, the efficiency of placing the lens can be effectively increased. Secondly, when the fixing ring of the upper cover of the lens bearing fixture cooperates with the receiving hole of the base, the lens carried on the bearing hole can be effectively fixed, and the lens can be placed in place by the adjusting action of the fixing ring on the lens. Inside the bearing hole. Thirdly, the first tapered hole in the receiving hole is an open structure, and the aperture has a large difference from the outer diameter of the lens. When the lens is placed in the receiving hole, the edge of the lens and the receiving hole are less likely to collide, and the lens can be avoided. The quality of the lens is affected by scratching, and the generation of defective products is reduced.

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.

10. . . Base

11. . . First surface

12. . . Second surface

13. . . Receiving hole

17. . . Second tapered hole

30. . . Upper cover

31. . . Third surface

32. . . Fourth surface

33. . . Via

35. . . M

40. . . lens

41. . . Optics department

43. . . Non-optical part

100. . . Lens bearing fixture

131. . . Carrying hole

133. . . First tapered hole

351. . . Fixed part

353. . . Connection

1311. . . Bearing surface

1 is a schematic view of a lens carrying jig provided by a first embodiment of the present invention.

2 is an exploded perspective view of the lens carrying jig shown in FIG. 1.

Figure 3 is a cross-sectional view of the lens carrying jig shown in Figure 1 taken along the line III-III.

Fig. 4 is a view showing a state in which the lens is placed on the lens carrying jig shown in Fig. 1.

FIG. 5 is a schematic view of the lens carrying fixture shown in FIG. 1 carrying and fixing the lens.

10. . . Base

11. . . First surface

12. . . Second surface

13. . . Receiving hole

30. . . Upper cover

31. . . Third surface

32. . . Fourth surface

33. . . Via

35. . . M

100. . . Lens bearing fixture

131. . . Carrying hole

133. . . First tapered hole

Claims (10)

A lens bearing fixture comprising:
a base, the base includes a first surface, the first surface is provided with a plurality of receiving holes for receiving the lens; and an upper cover, the upper cover is overlapped with the base and the upper cover is located at the base The upper cover is provided with a plurality of conductive vias, and the plurality of conductive vias are in one-to-one correspondence with the plurality of receiving holes of the base;
among them,
Each of the receiving holes includes a bearing hole and a first tapered hole penetrating the bearing hole, and the first tapered hole is formed on the first surface and extends toward the inside of the base. The aperture of the first tapered hole gradually decreases in a direction away from the first surface, and the bearing hole is at an end of the first tapered hole away from the first surface and the first tapered hole a portion of the first tapered hole that is connected to the bearing hole has an equal aperture; the upper cover is further provided with a plurality of ones that protrude toward the base and correspond to the plurality of conductive holes. a fixing ring, each of the fixing rings is disposed at one end of the corresponding one of the through holes facing the base, and each of the fixing rings is connected to a corresponding one of the through holes and is respectively received in a corresponding one. Inside one of the receiving holes. The lens bearing jig according to claim 1, wherein each of the fixing rings has a shape corresponding to a shape of the corresponding receiving hole, and each of the fixing rings has a funnel shape. Each of the fixing rings has a fixing portion corresponding to the bearing hole, and a connecting portion corresponding to the first tapered hole, and the fixing portion is inserted into the bearing hole of the receiving hole for being fixedly carried on the bearing The lens inside the hole. The lens bearing fixture of claim 2, wherein the bearing hole is a cylindrical hole having a bottom surface carrying a lens, the diameter of the bearing hole being slightly larger than a diameter of a lens to be carried, the fixing The end of the portion facing away from the upper cover cooperates with the bottom surface of the bearing hole to catch the non-optical portion of the lens to be carried. The lens bearing fixture of claim 1, wherein each of the receiving holes is coaxial with a corresponding one of the through holes and one of the fixing rings. The lens bearing jig according to claim 1, wherein the diameter of the through hole gradually increases from an end toward the base to an end away from the base in the axial direction. The lens bearing jig according to claim 1, wherein an outer circumferential surface of the fixing ring is in contact with an inner circumferential surface of the receiving hole. The lens bearing jig according to claim 1, wherein the fixing ring is made of plastic or rubber. The lens bearing jig according to any one of the preceding claims, wherein the surface of the base opposite to the first surface is provided with a plurality of second tapered holes extending toward the inside of the base. The plurality of second tapered holes are in one-to-one correspondence with the plurality of receiving holes. The lens bearing jig according to claim 8, wherein a diameter of a portion of each of the second tapered holes connected to a corresponding bearing hole of the receiving hole is smaller than an aperture of the bearing hole. The lens bearing jig according to claim 9, wherein the aperture of each of the second tapered holes gradually increases in a direction away from the bearing hole.