TWI516820B - Suction positioning device and method for suction positioning optical lens - Google Patents

Description

Adsorption positioning device and adsorption positioning method of optical lens

The invention relates to a positioning device, in particular to an adsorption positioning device and an adsorption positioning method of an optical lens.

As shown in FIG. 1 , the conventional gripping lens positioning device 1 is adapted to fix and fix an optical lens 10 . The optical lens 10 includes an effective area 101 and a bearing area 102 surrounding the effective area 101 . The positioning device includes a base 11, a plurality of lower jaws 12 movably disposed on the base 11, and a plurality of upper jaws 13 disposed corresponding to the lower jaws 12. By holding the bearing area 102 of the optical lens 10 on the lower jaw 12, and clamping the upper jaws 13 above the bearing area 102, the clamping position can be restrained. Optical lens 10.

Although such a design can effectively fix the optical lens 10, since the lower jaws 12 and the upper jaws 13 are locked to the base 11, there is a disadvantage that adjustment is difficult. And each time the optical lens 10 is picked up and released, the upper jaws 13 need to be loosened first, and then the positioning and locking are performed again after the material is taken out, which is quite inconvenient to use. If the outer dimensions of the optical lens 10 are replaced, the position of the lower jaw 12 needs to be re-adjusted, and the production efficiency cannot be effectively improved.

Accordingly, it is an object of the present invention to provide an adsorptive positioning device that can quickly access an optical lens and that can be selected for the flexibility of the optical lens.

Therefore, another object of the present invention is to provide an adsorption positioning method for an optical lens which is simple in operation and which can be selected according to the elasticity of the optical lens.

Therefore, the adsorption positioning device of the present invention comprises a base and a fixture.

The base includes a positioning surface, and a first adsorption flow channel and a first pressure relief flow channel respectively engaging the positioning surface.

The fixture is detachably disposed on the positioning surface of the base, and includes a second adsorption flow channel that connects the first adsorption flow channel, and a second pressure relief flow channel that connects the first pressure relief flow channel. And a plurality of pressure relief holes and a plurality of adsorption holes disposed away from the base, the second adsorption flow channel having a plurality of second adsorption channels respectively communicating with the adsorption holes, the second pressure relief flow paths having a plurality of The second pressure relief channels are connected to the pressure relief holes, and the adsorption holes are respectively disposed adjacent to and adjacent to the pressure relief holes.

Therefore, the adsorption positioning method of the optical lens of the present invention is suitable for positioning optical lenses of several different external dimensions, each optical lens has an effective area and a bearing area surrounding the effective area, and the adsorption positioning method comprises The following steps:

Step (A): preparing an adsorption positioning device, the adsorption positioning device comprising a base, and a plurality of detachably mounted on the base The base includes a first adsorption flow channel and a first pressure relief flow channel respectively disposed through the base, each fixture includes a second adsorption flow channel that connects the first adsorption flow channel, and the first adsorption channel a second pressure relief flow passage of the pressure relief flow passage, a plurality of support surfaces disposed away from the base, a plurality of pressure relief holes, and a plurality of adsorption holes, wherein the second pressure relief flow passage has a plurality of respective pressure relief holes The second pressure-dissipating channel has a plurality of second adsorption channels respectively communicating with the adsorption holes, and the pressure-relief holes respectively penetrate the support surfaces, and the adsorption holes respectively correspond to And around the support surface settings, the support surfaces of the individual jigs have different outer dimensions, corresponding to the effective areas of different kinds of optical lenses.

Step (B): selecting a corresponding jig according to the size of the optical lens to be processed.

Step (C): placing the corresponding jig on the base, and connecting the second pressure relief channel to the first pressure relief flow channel, the second adsorption flow channel and the first adsorption channel The flow channels are connected.

Step (D): starting a negative pressure source connected to the first adsorption flow path.

Step (E): a plurality of the optical lenses are respectively placed on the supporting surfaces, and the effective areas of the optical lenses respectively correspond to the pressure relief holes, and the bearing areas of the optical lenses respectively correspond to the adsorption hole.

The utility model has the advantages that the detachable jig can be easily replaced according to the outer dimensions of different optical lenses, and the second pressure relief flow paths respectively disposed corresponding to the optical lenses are The second adsorption flow channel can achieve the effect of quickly picking and placing the optical lens.

10‧‧‧Optical lenses

101‧‧‧Active area

102‧‧‧Resting area

1‧‧‧Clamping lens positioning device

11‧‧‧Base

12‧‧‧ Lower jaw

13‧‧‧Upper jaw

20‧‧‧Optical lenses

21‧‧‧Active area

22‧‧‧Abutment area

2‧‧‧Adsorption positioning device

3‧‧‧Base

31‧‧‧ positioning surface

32‧‧‧ Groove

33‧‧‧Boss

34‧‧‧First adsorption channel

341‧‧‧ gas collecting trough

342‧‧‧Adsorption Confluence Section

35‧‧‧First pressure relief runner

351‧‧‧First pressure relief manifold

352‧‧‧pressure relief confluence section

36‧‧‧ fixture positioning unit

361‧‧‧ positioning flange

362‧‧‧stops

37‧‧‧Stop structure

4‧‧‧ fixture

41‧‧‧Ontology

42‧‧‧ airtight surface

43‧‧·Core block

431‧‧‧Support surface

44‧‧‧Relief hole

45‧‧‧Second pressure relief runner

451‧‧‧Second pressure relief manifold

46‧‧‧Adsorption holes

461‧‧‧Diversion Department

47‧‧‧Second adsorption channel

471‧‧‧Second adsorption manifold

48‧‧‧Lens positioning unit

481‧‧‧ positioning parts

Other features and advantages of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a partial cross-sectional view of a conventional gripping lens positioning device 1; FIG. 2 is a schematic view illustrating the present invention. FIG. 3 is a perspective view showing the assembled positional relationship of the first preferred embodiment; FIG. 4 is a view illustrating the pedestal of the first preferred embodiment; Figure 5 is a top view showing the jig; Figure 6 is a bottom view showing the jig; Figure 7 is a cross-sectional view taken along line VII-VII in Figure 3; 3 is a cross-sectional view of line VIII-VIII; FIG. 9 is similar to the view of FIG. 7, illustrating the state in which different jigs are mounted on the base; and FIG. 10 is a schematic view showing the adsorption type positioning device of the present invention A second preferred embodiment.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

As shown in FIG. 2, FIG. 3 and FIG. 4, the first preferred embodiment of the adsorption positioning device of the present invention is suitable for providing a plurality of optical lenses 20, each of which has an active area 21 and a surrounding area. The bearing area 22 outside the effective area 21. The adsorption positioning device comprises a base 3 and at least one Fixture 4. Two different lenses 20 are shown in Figure 2, each positioned by a jig 4. Figure 3 below, and Figures 5 to 8, depict one of the jigs 4, and Figure 9 depicts another jig 4.

The base 3 includes a positioning surface 31, a recess 32, a plurality of bosses 33, a first adsorption flow path 34, a first pressure relief flow path 35, and a fixture positioning unit 36.

The groove 32 is recessed from the positioning surface 31, and the bosses 33 are spaced apart from the groove 32. In the first preferred embodiment, the top surface of the boss 33 and the positioning surface 31 are substantially in the same plane.

The first adsorption flow path 34 is coupled to the positioning surface 31 and has a gas collection groove 341 between the groove 32 and the protrusions 33, and a gas collection groove 341 and an external negative pressure. A source (not shown) is connected to the adsorption confluence section 342. A negative pressure environment can be constructed in the gas collection tank 341 by the adsorption manifold 342. The gas collecting grooves 341 of the first adsorption flow path 34 may be plural, and are disposed around the outer sides of the bosses 33, respectively.

The first pressure relief channel 35 is coupled to the positioning surface 31 and has a plurality of first pressure relief channels 351 respectively extending through the protrusions 33, and a first pressure relief channel 351 can be connected to the first pressure relief channel 351. A pressure relief confluence section 352 outside the base 3. The pressure relief manifold 352 can maintain the first pressure relief manifold 351 constant with the external pressure.

In the first preferred embodiment, the first adsorption flow path 34 and the first pressure relief flow path 35 are arranged in a staggered manner in the vertical direction, and the adsorption flow collecting portion 342 and the pressure release confluence portion 352 are The advantages of facilitating the identification of the operator can be achieved by connecting the different sides of the base 3 respectively. avoid confusion.

The fixture positioning unit 36 is disposed on the positioning surface 31 of the base 3 and has two spaced apart positioning flanges 361 and a stopper 362 orthogonal to the positioning flanges 361. In the first preferred embodiment, the stopping member 362 is a double protruding pin.

As shown in FIG. 5, FIG. 6 and FIG. 7, the jig 4 is detachably disposed on the positioning surface 31 of the base 3, and can bear against the positioning flanges 361 of the fixture positioning unit 36 and Between the stops 362 (see Figure 3). The fixture 4 includes a body 41, a gas-tight surface 42, a plurality of core blocks 43, a plurality of pressure relief holes 44, a second pressure relief channel 45, a plurality of adsorption holes 46, a second adsorption channel 47, and a Lens positioning unit 48.

The airtight surface 42 is located on the body 41 of the jig 4 and adjacent to the base 3. In the first preferred embodiment, the airtight surface 42 is substantially a flat surface, and the airtight surface 42 can be prevented from slipping relative to the positioning surface 31 of the base 3 by the fixture positioning unit 36. The effect of maintaining airtightness with the positioning surface 31 is achieved.

The core blocks 43 are disposed in the body 41 of the jig 4 and have a receiving surface 431 corresponding to the effective area 21 of the optical lens 20, respectively, by changing the core blocks 43. The diameter of the diameter and the curvature of the concave surface of the corresponding supporting surface 431 enable the core blocks 43 to correspond to the optical lenses 20 of different outer dimensions, or at least the effective effect of the core blocks 43 not touching the optical lens 20. District 21. The pressure relief holes 44 are disposed away from the base 3 on the corresponding core blocks 43 and penetrate the corresponding support surfaces 431. The second pressure relief flow passage 45 can be coupled to the first pressure relief flow passage 35 and has a plurality of a second pressure relief channel 451 disposed in the core block 43 and communicating with the pressure relief holes 44, the second pressure relief channel 45 being capable of being connected to the outside The pressure flow path 35 keeps the gas in the pressure relief holes 44 constant, and when the optical lenses 20 are taken and placed, the curvature of the corresponding support surface 431 can be avoided, and the irregularities correspond to the optical lenses 20 In the effective region 21, the vacuum adsorption phenomenon is generated, thereby preventing the optical lens 20 from being damaged during pick-and-place.

As shown in FIG. 8 and FIG. 9 , the adsorption holes 46 are disposed on the body 41 of the jig 4 away from the base 3 , and are respectively disposed adjacent to and adjacent to the pressure relief holes 44 and have a plurality of corresponding surrounding holes. The pressure relief hole 44 is a shunt portion 461 provided in a circular arc shape. The second adsorption flow channel 47 can be connected to the gas collection groove 341 of the first adsorption flow channel 34, and has a plurality of portions respectively penetrating through the body 41 of the jig 4 and communicating with the adsorption holes 46. Two adsorption manifolds 471.

In the first preferred embodiment, the core blocks 43 are disposed on the body 41 of the jig 4 and are respectively located in the second adsorption manifolds 471, and define the adsorptions around the body 41. The hole 46, at this time, the bottom surface of the body 41 of the jig 4 and the bottom surface of the core blocks 43 form the airtight surface 42. However, the core blocks 43 can also be integrally formed with the body 41. The adsorption holes 46 are directly formed on the body 41. At this time, the shape of the flow dividing portions 461 can also be annular dots or radiation. , or C-shaped arc, etc. (not shown).

Preferably, the outer diameter of the second adsorption manifolds 471 is larger than the outer diameters of the adsorption holes 46, except that the core blocks 43 can be easily mounted. It is also possible to prevent the foreign matter from being stuck therein, and affect the effect of vacuum adsorption, and the second adsorption manifolds 471 having a larger outer diameter can also generate a gas chamber capable of stabilizing the negative pressure source, thereby improving the quality and performance of the adsorption.

The lens positioning units 48 are respectively disposed on the outer circumferences of the adsorption holes 46, and have a plurality of positioning members 481 suitable for the corresponding optical lenses 20, and the positioning members 481 can enable the corresponding optical lenses 20 to be effective. The zone 21 corresponds to a corresponding pressure relief hole 44, which corresponds to the corresponding adsorption aperture 46. In the first preferred embodiment, the number of the positioning members 481 is three and rounded, and is inserted around the body 41 of the jig 4, but the positioning members 481 can also be self-contained. The body 41 of the jig 4 protrudes outwardly and has a flange-like structure that is annularly disposed outside the bearing area 22 of the optical lens 20.

As shown in FIG. 10, the second preferred embodiment of the adsorption positioning device of the present invention is similar to the first preferred embodiment in that the base 3 further includes a positioning flange 361 formed thereon. The retaining structure 37, the jig 4 and the retaining structure 37 are arranged in a concave-convex manner and corresponding in shape, and the positioning of the airtight surface 42 of the jig 4 away from the base 3 can be prevented by the retaining structure 37. Face 31. In the second preferred embodiment, the retaining structure 37 has a dovetail shape. However, the shape of the retaining structure 37 can also be any shape that can be disposed with the jig 4 and can be slid.

As shown in FIG. 2, FIG. 7 and FIG. 8, the advantages and effects of the adsorption positioning device of the present invention can be summarized as follows:

1. With the jig 4, in addition to being convenient for the operator to be used for easy replacement, it can also be prepared according to the optical lenses 20 of different outer dimensions. Two or more different types of jigs 4 are produced, so that in addition to achieving the flexibility of the selection, a space-saving advantage is achieved because only one corresponding base 3 is required.

2. The first pressure relief flow passage 35, the pressure relief holes 44, and the second pressure relief flow passage 45 can avoid the effective area 21 of the optical lens 20 and the core blocks 43. The support surface 431 generates a vacuum adsorption phenomenon, thereby preventing the optical lens 20 from being damaged during pick-and-place.

3. When the base 3 is provided with a stop structure 37 capable of preventing the airtight surface 42 of the jig 4 from being away from the positioning surface 31 of the base 3, the fixture 4 can be prevented by the stop structure 37. When used, the up and down vibration caused by the instability of the external negative pressure source improves the accuracy during detection.

With the above adsorption positioning device, the adsorption positioning method of the optical lens 20 of the present invention is as follows:

Step (A): preparing an adsorption positioning device 2, the adsorption positioning device 2 includes a base 3, and a plurality of jigs 4 detachably mounted on the base 3, the base 3 includes a through-set a first adsorption flow channel 34 and a first pressure relief flow channel 35, each fixture 4 includes a second pressure relief flow channel 45 that connects the first pressure relief flow channel 35, and a first adsorption flow channel The second adsorption flow path 47 of the channel 34, the plurality of support surfaces 431 disposed away from the base 3, the plurality of pressure relief holes 44, and the plurality of adsorption holes 46. The second pressure relief passage 45 has a plurality of second pressure relief passages 451 that communicate with the pressure relief holes 44, respectively. The second adsorption flow channel 47 has a plurality of second adsorption channels 471 that are respectively in communication with the adsorption holes 46. The pressure relief holes 44 respectively extend through the support surfaces 431 , and the adsorption holes 46 are respectively disposed corresponding to and surrounding the support surfaces 431 . The support faces 431 of the individual jigs 4 have different outer dimensions and can correspond to the effective zones 21 of the different types of optical lenses 20, respectively.

Step (B): The corresponding jig 4 is selected according to the outer size of the optical lens 20 to be processed.

Step (C): placing the corresponding jig 4 on the base 3, and connecting the second pressure relief flow passage 45 with the first pressure relief flow passage 35, the second adsorption flow passage 47 It is in communication with the first adsorption flow path 34.

Step (D): starting a negative pressure source (not shown) that communicates with the first adsorption flow path 34.

Step (E): a plurality of the optical lenses 20 are respectively placed on the supporting surfaces 431, and the effective areas 21 of the optical lenses 20 respectively correspond to the pressure relief holes 44, and the optical lenses 20 are supported by the optical lenses 20 The regions 22 correspond to the adsorption holes 46, respectively.

Thereby, the effective regions 21 of the optical lenses 20 are respectively exhausted toward the second pressure-relieving flow passage 45, and the bearing regions 22 of the optical lenses 20 are respectively fixed by the suction force of the negative pressure source.

In particular, the order of the steps (D) and (E) may be interchanged, that is, the plurality of optical lenses 20 may be placed on the support surfaces 431, respectively. A source of negative pressure (not shown) that communicates with the first adsorption channel 34.

Through the above description, the adsorption positioning method of the optical lens of the invention not only has the effect of elastic use, but also has the advantages of achieving rapid assembly without using additional tools, and can avoid not only the conventional clamping lens positioning device 1 (as shown in FIG. 1 ). The more complicated adjustment mechanism disclosed in the show, and the pick and place The disadvantage that the optical lens 20 is not easy can also substantially reduce the overall volume, and achieve the effect of being easy to assemble and use.

In summary, the detachable jig 4 can be easily replaced according to the outer dimensions of the different optical lenses 20, and then the second pressure relief channels respectively disposed corresponding to the optical lens 20 are disposed. 45 and the second adsorption flow path 47 can achieve the effect of quickly picking up and placing the optical lens 20, so that the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

2‧‧‧Adsorption positioning device

3‧‧‧Base

31‧‧‧ positioning surface

32‧‧‧ Groove

33‧‧‧Boss

34‧‧‧First adsorption channel

35‧‧‧First pressure relief runner

351‧‧‧First pressure relief manifold

352‧‧‧pressure relief confluence section

36‧‧‧ fixture positioning unit

361‧‧‧ positioning flange

4‧‧‧ fixture

41‧‧‧Ontology

42‧‧‧ airtight surface

43‧‧·Core block

431‧‧‧Support surface

44‧‧‧Relief hole

45‧‧‧Second pressure relief runner

451‧‧‧Second pressure relief manifold

46‧‧‧Adsorption holes

47‧‧‧Second adsorption channel

471‧‧‧Second adsorption manifold

Claims (10)

An adsorption positioning device comprising: a base, a positioning surface, and a first adsorption flow channel and a first pressure relief flow channel respectively connected to the positioning surface; and a fixture, detachably disposed on the a positioning surface of the base, and includes a second adsorption flow channel connecting the first adsorption flow channel, a second pressure relief flow channel connecting the first pressure relief flow channel, and a plurality of discharges disposed away from the base a second adsorption channel having a plurality of second adsorption channels respectively communicating with the adsorption holes, the second pressure release channel having a plurality of respectively connected to the pressure relief holes Two pressure relief channels, the adsorption holes respectively corresponding to and disposed adjacent to the pressure relief holes. The adsorption positioning device of claim 1, wherein each of the adsorption holes further has a plurality of diverting portions surrounding the corresponding pressure relief holes, and the jig further includes a plurality of lens positioning units respectively disposed on the outer circumferences of the adsorption holes. Each lens positioning unit is adapted to be in the form of an optical lens having an active area and a bearing area surrounding the effective area. The lens positioning unit surrounds the bearing area and enables the bearing The zone corresponds to the adsorption aperture, and the active zone corresponds to the pressure relief aperture. The adsorption positioning device of claim 2, wherein the fixture further comprises a gas-tight surface that abuts against the positioning surface of the base, the base further comprising a gas-tight surface opposite to the fixture The fixture positioning unit that slides the positioning surface. The adsorption positioning device of claim 3, wherein the base further comprises a retaining structure capable of preventing the airtight surface of the jig from being away from the positioning surface. The adsorption positioning device of claim 4, wherein the fixture positioning unit has a pair of positioning flanges spaced apart from the positioning surface of the base, and a positioning surface disposed on the positioning surface of the base a stop member that is disposed between the positioning flanges, and a dovetail groove defining the stop structure is formed between the positioning flanges, and the fixture is supported by the positioning flange and the stopping member between. The adsorption positioning device of claim 5, wherein the fixture further comprises a body through which the second adsorption manifolds are disposed, and a plurality of plurality of electrodes disposed on the body and located in the second adsorption differences And a core block through which the second pressure relief manifold is disposed, the core block having a support surface corresponding to an effective area of the optical lens, the body and the core block The adsorption holes are defined separately. The adsorption positioning device of claim 6, wherein the base further comprises a recess recessed from the positioning surface, and a plurality of bosses disposed on the recess, the first adsorption flow prop has a a gas collecting groove between the groove and the bosses, wherein the gas collecting groove is in communication with the second adsorption flow channel, the first pressure releasing flow channel has a plurality of first pressure releasing channels penetrating the bosses, The top surface of the boss and the positioning surface are substantially in the same plane, and the bottom surface of the body of the fixture forms the airtight surface with the bottom surface of the core blocks, and are substantially in the same plane. The adsorption positioning device of claim 3, wherein the fixture further comprises a body through which the second adsorption manifolds are disposed, and a plurality of plurality of electrodes disposed on the body and located in the second adsorption differences In the road, and respectively, the second pressure relief manifold can be respectively disposed through the set core block, the core block has A support surface corresponding to the active area of the optical lens, the body and the core block respectively defining the adsorption holes. The adsorption positioning device of claim 8, wherein the base further comprises a recess recessed from the positioning surface, and a plurality of bosses disposed on the recess, the first adsorption flow prop has a gas collection groove between the groove and the protrusions, the gas collection groove is in communication with the second adsorption flow channel, the first pressure relief flow channel has a plurality of first pressure relief portions penetrating the protrusions The top surface of the boss and the positioning surface are substantially in the same plane, and the bottom surface of the body of the fixture forms the airtight surface with the bottom surface of the core blocks, and are substantially in the same plane. The invention relates to an optical lens adsorption positioning method, which is suitable for positioning optical lenses of several different external dimensions. Each optical lens has an effective area and a bearing area surrounding the effective area. The adsorption positioning method comprises the following steps: Step (A): preparing an adsorption positioning device, the adsorption positioning device comprising a base, and a plurality of fixtures detachably mounted on the base, the base comprising a first adsorption flow respectively disposed through And a first pressure relief flow passage, each fixture includes a second adsorption flow channel connecting the first adsorption flow channel, a second pressure relief flow channel connecting the first pressure relief flow channel, and away from the base a plurality of support surfaces, a plurality of pressure relief holes, and a plurality of adsorption holes, wherein the second pressure relief flow channel has a plurality of second pressure relief channels respectively communicating with the pressure relief holes, the second adsorption flow props a plurality of second adsorption manifolds respectively communicating with the adsorption holes, wherein the pressure relief holes respectively penetrate the support surfaces, and the adsorption holes respectively correspond to and surround the support surfaces The supporting surfaces of the individual fixtures have different outer dimensions, respectively corresponding to the effective areas of different kinds of optical lenses; step (B): according to the size of the optical lens to be processed, select the corresponding a fixture (C): placing the corresponding fixture on the base, and connecting the second pressure relief channel to the first pressure relief channel, the second adsorption channel and the The first adsorption flow path is connected; the step (D): starting a negative pressure source connected to the first adsorption flow path; and the step (E): placing a plurality of the optical lenses on the support surfaces respectively The effective areas of the optical lenses respectively correspond to the pressure relief holes, and the bearing areas of the optical lenses respectively correspond to the adsorption holes.