CN114226162B - Dispensing tool and method - Google Patents
Dispensing tool and method Download PDFInfo
- Publication number
- CN114226162B CN114226162B CN202111451811.XA CN202111451811A CN114226162B CN 114226162 B CN114226162 B CN 114226162B CN 202111451811 A CN202111451811 A CN 202111451811A CN 114226162 B CN114226162 B CN 114226162B
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- dispensing
- lens
- base
- needle
- lens clamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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Abstract
The invention provides a dispensing tool and a dispensing method, relates to the technical field of lasers, and is designed for solving the problem that a dispensing mode cannot be used for achieving dispensing operation of lens clamps with different sizes. The dispensing tool comprises a base, a fixing assembly, a dispensing needle and a moving assembly, wherein the base is provided with a lens clamp, and the lens clamp comprises a rectangular outline; the fixing assembly comprises a limiting piece, a first sliding piece and a second sliding piece, wherein the limiting piece is used for being in abutting fit with one group of adjacent sides of the rectangular outline, the other group of adjacent sides of the rectangular outline are a first side and a second side respectively, the first sliding piece can slide to be in abutting fit with the first side on the base and is fixed on the base, and the second sliding piece can slide to be in abutting fit with the second side on the base and is fixed on the base; the dispensing needle is used for dispensing the lens clamp; the moving component is used for enabling the dispensing needle to have the freedom of movement along the X direction, the Y direction and the Z direction relative to the lens clamp. The invention can realize the dispensing operation of lens clamps with different sizes.
Description
Technical Field
The invention relates to the technical field of lasers, in particular to a dispensing tool and a dispensing method.
Background
In the laser assembly process, optical lenses with different specifications are usually used for constructing an optical path, and the glue dispensing and curing of the lenses are time-consuming and labor-consuming work. At present, manual dispensing is generally used, but the size and the position of a dispensing point are difficult to control in the dispensing mode, so that the dispensing effect is affected.
In addition, in the existing dispensing method using a dispensing machine, most of the dispensing methods are aimed at mass dispensing of lens clamps with the same size, and dispensing operation of a plurality of lens clamps with different sizes cannot be realized by using one dispensing mode.
Disclosure of Invention
The first objective of the present invention is to provide a dispensing tool, which solves the technical problem that the conventional dispensing method cannot realize the dispensing operation of lens fixtures with different sizes.
The invention provides a dispensing tool which comprises a base, a fixed assembly, a dispensing needle and a movable assembly. The base is provided with a lens clamp, and the lens clamp comprises a rectangular outline; the fixing assembly comprises a limiting piece, a first sliding piece and a second sliding piece, wherein the limiting piece is used for being in abutting fit with one group of adjacent sides of the rectangular outline, the other group of adjacent sides of the rectangular outline are a first side and a second side respectively, the first sliding piece can slide to be in abutting fit with the first side and is fixed on the base, and the second sliding piece can slide to be in abutting fit with the second side and is fixed on the base; the dispensing needle is used for dispensing the lens clamp; the moving assembly is used for enabling the dispensing needle to have the freedom of movement along the X direction, the Y direction and the Z direction relative to the lens clamp.
Further, the base comprises a base and a bearing seat, the moving assembly comprises an X-direction module, a Y-direction module and a Z-direction module, wherein a fixed part of the X-direction module is fixedly arranged on the base, a movable part of the X-direction module is fixedly connected with a fixed part of the Z-direction module, and the dispensing needle is fixedly arranged on a movable part of the Z-direction module; the Y-direction module is used for driving the bearing seat to move along the Y direction relative to the base; the lens clamp is arranged on the bearing seat.
Further, the first sliding piece is provided with a first strip-shaped hole, the extending direction of the first strip-shaped hole is perpendicular to the first edge, a first bolt is inserted into the first strip-shaped hole, and the first bolt is used for fixing the first sliding piece on the bearing seat; the second sliding piece is provided with a second strip-shaped hole, the extending direction of the second strip-shaped hole is perpendicular to the second edge, a second bolt is inserted into the second strip-shaped hole, and the second bolt is used for fixing the second sliding piece on the bearing seat.
Further, the bearing seat is provided with a plurality of fixing threaded holes which are arrayed, the first bolt is fixed with one of the fixing threaded holes according to the size of the lens clamp, and the second bolt is fixed with one of the fixing threaded holes according to the size of the lens clamp.
Further, the limiting piece comprises an L-shaped fixing frame, and the L-shaped fixing frame is fixed on the bearing seat through a part of the fixing threaded holes.
Further, the lens clamp is provided with a containing groove, the dispensing needle is used for dispensing the bottom wall of the containing groove, and the containing groove is used for containing the optical lens.
The dispensing tool provided by the invention has the beneficial effects that:
through setting up the point gum frock mainly by base, fixed subassembly, point gum needle and moving assembly, when needing to carry out the point gum to the lens anchor clamps, place the lens anchor clamps in the base, make the locating part and a set of adjacent limit butt cooperation of lens anchor clamps, carry out spacing to the lens anchor clamps, afterwards, adjust the position of first slider and second slider, make first slider and second slider respectively with another set of adjacent limit butt cooperation of lens anchor clamps, and fix first slider and second slider in the base, thereby realize the fixation to the lens anchor clamps; then, the position of the dispensing needle relative to the lens clamp is changed by utilizing the moving assembly, so that the two positions generate relative displacement along the X direction and the Y direction, the dispensing needle is positioned in a dispensing path, then, the dispensing needle is displaced along the Z direction relative to the lens clamp, so that the dispensing needle is infinitely close to the lens clamp, and the position of the dispensing needle at the moment is set as an absolute coordinate position, namely an initial position of dispensing; according to the number and positions of the glue points of the glue dispensing path, determining the coordinates of the rest glue points, and obtaining the relative coordinate positions of the rest glue points; inputting the absolute coordinate position and each relative coordinate position into a controller of the dispensing tool, and controlling the moving assembly and the dispensing needle to dispense the lens clamp at the absolute coordinate position and each relative coordinate position; after the dispensing operation of the lens clamp is completed, the optical lens can be placed on the lens clamp to realize the subsequent curing operation of the optical lens.
When the dispensing operation of the lens clamps with different specifications is required to be completed, the lens clamps corresponding to the optical lenses with the specifications can be placed on the base, and the limiting piece is matched with a group of adjacent sides of the lens clamps to limit the lens clamps; then, the positions of the first sliding piece and the second sliding piece are adjusted, so that the space surrounded by the first sliding piece, the second sliding piece and the limiting piece is adapted to the lens clamp with the specification, and the lens clamp with the specification is fixed; then, the dispensing operation of the lens clamp at the set position is realized by utilizing the position change of the dispensing needle relative to the lens clamp.
The dispensing tool not only can realize automatic dispensing, so that the size and the position of dispensing are in a controlled range, the dispensing effect and the consistency are good, the labor intensity is low, but also the dispensing operation of lens clamps with different specifications can be met, and the universality is good.
The second objective of the present invention is to provide a dispensing method, which solves the technical problem that the conventional dispensing method cannot realize the dispensing operation of lens fixtures with different sizes.
The dispensing method provided by the invention is realized by using the dispensing tool and comprises the following steps:
s100: the relative positions of the dispensing needle and the lens clamp in the X direction and the Y direction are adjusted by utilizing the moving assembly, so that the dispensing needle is positioned in a dispensing path;
s200: adjusting the relative positions of the dispensing needle and the lens clamp in the Z direction by utilizing the moving assembly, enabling the dispensing needle to be infinitely close to the lens clamp, and setting the position of the dispensing needle at the moment as an absolute coordinate position;
s300: determining the coordinates of other glue points according to the number and the positions of the glue points of the glue dispensing path, and obtaining the relative coordinate positions of the other glue points;
s400: and inputting the absolute coordinate position and each relative coordinate position into a controller of the dispensing tool, and controlling the moving assembly and the dispensing needle to dispense the lens clamp at the absolute coordinate position and each relative coordinate position.
Further, each time the dispensing operation is completed, the dispensing needle moves a set distance in a direction away from the lens clamp.
Further, before each dispensing operation, the method further comprises adjusting the dispensing time.
Further, before each dispensing operation, the method also comprises the step of adjusting the air pressure of dispensing.
The dispensing method has the beneficial effects that:
the dispensing method realizes the dispensing operation of the lens clamp by using the dispensing tool, and accordingly, the dispensing method has all the advantages of the dispensing tool and is not described in detail herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic main structure diagram of a dispensing tool according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a principle of fixing a lens fixture by using a dispensing tool according to an embodiment of the present invention;
FIG. 3 is a schematic view of another embodiment of a lens holder;
fig. 4 is a schematic structural diagram of another lens holder according to an embodiment of the present invention.
Reference numerals illustrate:
100-dispensing controller; 200-dispensing a rubber tube; 400-rubber tube support; 500-dispensing needle; 600-base; 700-fixing assembly; 800-lens clamp; 900-glue points;
310-X direction module; 320-Z direction module;
610-a base; 620-a bearing seat; 621-fixing threaded holes;
710—a stop; 720-a first slider; 721-first bar-shaped hole; 722—a first bolt; 730-a second slider; 731-a second bar-shaped hole; 732-a second bolt; 740-screws;
810-receiving slots.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a schematic main structure diagram of a dispensing tool provided in this embodiment, and fig. 2 is a schematic diagram of a principle of fixing a lens fixture 800 by the dispensing tool provided in this embodiment. As shown in fig. 1 and 2, the present embodiment provides a dispensing fixture, which includes a base 600, a fixing assembly 700, a dispensing needle 500, and a moving assembly, specifically, the base 600 is provided with a lens fixture 800, and the lens fixture 800 includes a rectangular outline; the fixing assembly 700 includes a limiting member 710, a first sliding member 720 and a second sliding member 730, wherein the limiting member 710 is configured to be in abutting engagement with one set of adjacent sides of the rectangular outline, the other set of adjacent sides of the rectangular outline are a first side and a second side, the first sliding member 720 is capable of sliding on the base 600 to abut against the first side and being fixed on the base 600, and the second sliding member 730 is capable of sliding on the base 600 to abut against the second side and being fixed on the base 600; the dispensing needle 500 is used for dispensing the lens clamp 800; the movement assembly is used to provide the dispensing needle 500 with freedom of movement in the X, Y and Z directions relative to the lens holder 800.
Through setting a dispensing fixture mainly composed of a base 600, a fixing assembly 700, a dispensing needle 500 and a moving assembly, when dispensing is required to be performed on the lens fixture 800, the lens fixture 800 is placed on the base 600, a limiting piece 710 is in abutting fit with one group of adjacent sides of the lens fixture 800, the lens fixture 800 is limited, then positions of a first sliding piece 720 and a second sliding piece 730 are adjusted, the first sliding piece 720 and the second sliding piece 730 are respectively in abutting fit with the other group of adjacent sides of the lens fixture 800, and the first sliding piece 720 and the second sliding piece 730 are fixed on the base 600, so that the lens fixture 800 is fixed; then, the position of the dispensing needle 500 relative to the lens clamp 800 is changed by using the moving assembly, so that the two are relatively displaced along the X direction and the Y direction, the dispensing needle 500 is positioned in a dispensing path, and then, the dispensing needle 500 is displaced along the Z direction relative to the lens clamp 800, so that the dispensing needle 500 is infinitely close to the lens clamp 800, and the position of the dispensing needle 500 at the moment is set to be an absolute coordinate position, namely an initial position of dispensing; according to the number and positions of the glue points 900 in the glue dispensing path, determining the coordinates of the rest glue points 900, and obtaining the relative coordinate positions of the rest glue points 900; inputting the absolute coordinate position and each relative coordinate position into a controller of the dispensing tool, and controlling the moving assembly and the dispensing needle 500 to dispense the lens clamp 800 at the absolute coordinate position and each relative coordinate position; after the dispensing operation of the lens holder 800 is completed, the optical lens may be placed in the lens holder 800 to effect a subsequent curing operation of the optical lens.
When the dispensing operation of the lens clamps 800 with different specifications needs to be completed, the lens clamp 800 corresponding to the optical lens with the specification can be placed on the base 600, and the limit of the lens clamp 800 is realized by utilizing the cooperation of the limit piece 710 and a group of adjacent sides of the lens clamp 800; then, the positions of the first sliding member 720 and the second sliding member 730 are adjusted, so that the space surrounded by the first sliding member 720, the second sliding member 730 and the limiting member 710 is adapted to the lens clamp 800 with the specification, and the lens clamp 800 with the specification is fixed; then, the dispensing operation of the lens clamp 800 at the set position is realized by utilizing the position change of the dispensing needle 500 relative to the lens clamp 800.
The dispensing tool not only can realize automatic dispensing, so that the size and the position of dispensing are in the controlled range, the dispensing effect and the consistency are good, the labor intensity is low, but also the dispensing operation of the lens clamp 800 with different specifications can be met, and the universality is good.
It should be noted that, in the dispensing operation, the optical lens is placed on the lens holder 800 after dispensing by dispensing on the lens holder 800; then, the optical lens is cured on the lens clamp 800, and after the curing, the optical lens and the lens clamp 800 are integrated and directly put into a laser for subsequent tests. When the glue is ultraviolet glue, an ultraviolet lamp can be utilized for curing operation; when the glue is an epoxy glue, curing may be performed by standing for a period of time.
In this embodiment, the "infinitely close to the dispensing needle 500 and the lens holder 800" means: the dispensing needle 500 is as close to the portion of the lens holder 800 to be dispensed as possible, and in particular, when the dispensing needle 500 is infinitely close to the lens holder 800, the distance between the two may be 0.1mm, or even smaller.
Referring to fig. 1, in the present embodiment, a dispensing needle 500 is connected with a dispensing tube 200, and the other end of the dispensing tube 200 is connected to a dispensing controller 100, so that glue can be input from the dispensing tube 200 to the dispensing needle 500 by using the dispensing controller 100 to perform a dispensing operation on the lens fixture 800.
Referring to fig. 1, in the present embodiment, the base 600 includes a base 610 and a carrier 620, the moving assembly includes an X-direction module 310, a Y-direction module (not shown in the figure), and a Z-direction module 320, specifically, a fixed portion of the X-direction module 310 is fixedly mounted on the base 610, a movable portion of the X-direction module 310 is fixedly connected with a fixed portion of the Z-direction module 320, and the dispensing needle 500 is fixedly mounted on a movable portion of the Z-direction module 320; the Y-direction module is used for driving the bearing seat 620 to move along the Y-direction relative to the base 610; the lens holder 800 is disposed on the carrier 620. The dispensing needle 500 is mounted on the movable portion of the Z-direction module 320 through the hose bracket 400.
The dispensing fixture can drive the Z-direction module 320 by utilizing the X-direction module 310 so as to change the positions of the Z-direction module 320 and the dispensing needle 500 along the X direction; the Z-direction module 320 can be utilized to drive the dispensing needle 500 so as to change the position of the dispensing needle 500 along the Z-direction, and the dispensing needle 500 is close to the lens clamp 800 so as to realize accurate dispensing of the lens clamp 800; the movement of the lens clamp 800 along the Y direction can be realized by utilizing the Y direction module, so that the relative positions of the dispensing needle 500 and the lens clamp 800 along the Y direction are changed.
According to the dispensing tool, by arranging the X-direction module 310, the Y-direction module and the Z-direction module 320 and utilizing the movement of the dispensing needle 500 along the X-direction and the Z-direction and the movement of the lens clamp 800 along the Y-direction, the dispensing needle 500 has the freedom of movement along the X-direction, the Y-direction and the Z-direction relative to the lens clamp 800, and the driving mechanism is simple. In addition, the setting mode only needs to pre-determine the coordinates of the dispensing positions, so that the dispensing positions can be accurately determined by utilizing the X-direction module 310, the Y-direction module and the Z-direction module 320, the dispensing positions are accurate, and the dispensing effect is good.
In addition, this dispensing frock is through setting up X to module 310 and Y to the module separately, makes the point gum needle 500 have along X to the displacement, makes lens anchor clamps 800 have along Y to the displacement, on the one hand, can avoid the inaccurate condition of control that leads to because of the too much degree of freedom of point gum needle 500, on the other hand, can also simplify the assembly process.
When the carrier 620 is provided with a plurality of lens holders 800 with the same specification, after the dispensing operation of one of the lens holders 800 is completed, only the starting point glue position (absolute coordinate position) is changed, and at this time, other relative coordinate positions remain unchanged, so that the dispensing operation of the lens holders 800 with different positions and the same specification can be completed.
With reference to fig. 2, in the present embodiment, the first sliding member 720 is provided with a first strip-shaped hole 721, the extending direction of the first strip-shaped hole 721 is perpendicular to the first side, and a first bolt 722 is inserted into the first strip-shaped hole 721, and the first bolt 722 is used for fixing the first sliding member 720 to the carrier 620; the second slider 730 is provided with a second strip-shaped hole 731, the extending direction of the second strip-shaped hole 731 is perpendicular to the second side, and a second bolt 732 is inserted into the second strip-shaped hole 731, and the second bolt 732 is used for fixing the second slider 730 to the bearing seat 620.
When the dispensing operation is required for the lens holders 800 with different specifications, the locking of the first bolt 722 to the first slider 720 and the locking of the second bolt 732 to the second slider 730 can be released, so that the first slider 720 and the second slider 730 move in the direction away from the limiting member 710, so as to reserve sufficient placement space for the lens holders 800 to be dispensed; when the lens holder 800 is placed on the carrier 620, one set of adjacent sides of the lens holder 800 is abutted against the stopper 710, the position of the lens holder 800 is defined by the stopper 710, and then the first slider 720 and the second slider 730 are slid to abut against the other set of adjacent sides of the lens holder 800, so that the lens holder 800 is stably restricted in a space formed by the first slider 720, the second slider 730 and the stopper 710, and the first bolt 722 and the second bolt 732 are tightened to fix the first slider 720 and the second slider 730.
The fixing assembly 700 is simple in structure and convenient to apply, and can realize quick assembly and quick replacement of lens clamps 800 with different specifications, so that the dispensing efficiency is greatly improved.
With reference to fig. 2, in the present embodiment, the bearing seat 620 is provided with a plurality of fixing threaded holes 621 arranged in an array, the first bolt 722 is fixed to one of the fixing threaded holes 621 according to the size of the lens holder 800, and the second bolt 732 is fixed to one of the fixing threaded holes 621 according to the size of the lens holder 800.
The plurality of fixing screw holes 621 allow the first bolt 722 and the second bolt 732 to be selectively fixed, so that the positions of the first slider 720 and the second slider 730 can be easily adjusted, and the fixing device can be applied to the fixing of lens holders 800 of various specifications.
With continued reference to fig. 2, in the present embodiment, the limiting member 710 may include an L-shaped fixing frame, where the L-shaped fixing frame is fixed to the carrier 620 through a portion of the fixing screw hole 621. The L-shaped fixing frame is fixed to the bearing seat 620 through connection of a plurality of screws 740 and a plurality of fixing threaded holes 621.
The lens clamp 800 can be effectively limited by utilizing the two right-angle sides of the L-shaped fixing frame, and the L-shaped fixing frame has the advantages of simple structure and low cost.
In this embodiment, the fixing screw holes 621 may be screw holes, in which case the first bolts 722 may be screwed into the corresponding fixing screw holes 621 through the first bar-shaped holes 721, and likewise, the second bolts 732 may be screwed into the corresponding fixing screw holes 621 through the second bar-shaped holes 731, and similarly, the screws 740 may be screwed into the corresponding fixing screw holes 621 through the connection holes of the L-shaped fixing frame.
Fig. 3 is a schematic structural diagram of another lens holder 800 according to the present embodiment, and fig. 4 is a schematic structural diagram of another lens holder 800 according to the present embodiment. With continued reference to fig. 2, and with reference to fig. 3 and 4, in the present embodiment, the lens holder 800 is provided with a receiving groove 810, the dispensing needle 500 is used for dispensing the bottom wall of the receiving groove 810, and the receiving groove 810 is used for receiving an optical lens.
By providing the accommodating groove 810 on the lens holder 800, accommodation and limitation of the optical lens can be realized, and displacement of the optical lens in the curing process can be avoided.
The embodiment also provides a dispensing method, which is realized by using the dispensing tool and comprises the following steps: s100: the relative positions of the dispensing needle 500 and the lens clamp 800 in the X direction and the Y direction are adjusted by utilizing the moving assembly, so that the dispensing needle 500 is positioned in a dispensing path; s200: the relative positions of the dispensing needle 500 and the lens clamp 800 in the Z direction are adjusted by utilizing the moving assembly, so that the dispensing needle 500 is infinitely close to the lens clamp 800, and the position of the dispensing needle 500 at the moment is set as an absolute coordinate position; s300: according to the number and positions of the glue points 900 in the glue dispensing path, determining the coordinates of the rest glue points 900, and obtaining the relative coordinate positions of the rest glue points 900; s400: the absolute coordinate position and each relative coordinate position are input into a controller of the dispensing tool, and the moving assembly and the dispensing needle 500 are controlled to dispense the lens clamp 800 at the absolute coordinate position and each relative coordinate position.
The dispensing method utilizes the dispensing tool to realize the dispensing operation of the lens fixture 800, and accordingly, the dispensing method has all the advantages of the dispensing tool and is not described in detail herein.
It should be noted that, in step S300, when the coordinates of the remaining glue sites 900 on the glue path need to be determined, the positions of the remaining glue sites 900 are determined by the radius of the glue sites for the lens holder 800 (shown in fig. 3) with a circular glue site, and for the lens holder 800 (shown in fig. 4) with a rectangular glue site. The positions of the remaining glue sites 900 are determined by the length and width of the glue loops.
In the dispensing method, each time the dispensing operation is completed, the dispensing needle 500 can be moved a set distance in a direction away from the lens holder 800.
That is, when dispensing the lens holder 800, the dispensing needle 500 has a raising-lowering process, rather than always keeping infinite access to the lens holder 800, and only when the dispensing needle 500 moves to the dispensing path, the dispensing needle is infinitely access to the lens holder 800, so that dispensing is performed. So set up, can avoid glue to pollute the some glue paths.
In this embodiment, the distance for the dispensing needle 500 to move upward may be 5mm each time the dispensing operation is completed, that is, the above set distance is 5mm. It will be appreciated that the set distance may also be adjusted accordingly depending on the thickness of the optical lens.
In the dispensing method, before each dispensing operation, the dispensing time is adjusted.
By adjusting the glue dispensing time, the size of the glue dot 900 can be controlled. As shown in fig. 3, when the edge width S of the lens holder 800 is wider, the dispensing time can be set longer to obtain a larger spot 900; as shown in fig. 4, when the edge width S of the lens holder 800 is narrow, the dispensing time can be set shorter to obtain a smaller spot 900.
In the dispensing method, the air pressure of dispensing is adjusted before each dispensing operation.
By adjusting the air pressure of the dispensing, the size of the dispensing point 900 can be controlled as well. As shown in fig. 3, when the edge width S of the lens holder 800 is wider, the air pressure of dispensing can be set to be larger to obtain a larger dispensing point 900; as shown in fig. 4, when the edge width S of the lens holder 800 is narrow, the air pressure of dispensing can be set smaller to obtain a smaller dispensing point 900.
According to the dispensing method, the dispensing time and the dispensing air pressure are adjusted, so that the size of the dispensing point 900 can be controlled, the adaptive dispensing of the lens clamp 800 with various edge widths is met, and the degree of universalization is higher.
It should be noted that, when the size of the glue dot 900 is inappropriate, the glue dot 900 may be made to have an appropriate size by only changing the glue dispensing time or the air pressure of the glue dot.
It should be noted that, the dispensing time is adjusted by a subroutine, and the air pressure of dispensing can be adjusted by the dispensing controller 100.
The specific dispensing method provided by the embodiment is as follows:
1. program channel 1 is established, and the main program of dispensing is started to be written.
2. First, the X-direction module 310 and the Y-direction module are controlled by program setting, so that the dispensing needle 500 is located at a point on the dispensing path.
3. The Z-direction module 320 is controlled such that the dispensing needle 500 approaches the lens holder 800 until no gap is present.
4. The X, Y, Z coordinates at this time were fixed as the dispensing start point coordinates, and set as absolute position coordinates.
5. Taking the lens fixture 800 shown in fig. 3 as an example, a dispensing path is set, and since the dispensing path is a circle, according to the number of dispensing points on the circle and the radius of the circle, all relative position coordinates of the relative dispensing start point coordinates (absolute position coordinates) can be obtained through corresponding formulas, and all relative position coordinates are input into the main program clockwise in the circumferential direction.
6. Editing program channel 2, and starting to write the dispensing subprogram.
7. The dispensing subroutine is mainly used for realizing dispensing and setting the size of the dispensing point 900 when dispensing.
8. The thickness is reduced by 5mm based on the original Z coordinate.
9. The written dispensing subroutine comprises 6 steps: 1) The Z-direction module 320 drives the dispensing needle 500 to descend by 5mm until no gap exists between the dispensing needle and the lens clamp 800; 2) Starting a glue-spraying mode; 3) Setting glue-spitting time; 4) Setting the air pressure of the dispensing; 5) Closing the glue-discharging mode; 6) The Z-direction module 320 drives the dispensing needle 500 up to 5mm and returns to the original Z-direction coordinates.
10. And inserting the auxiliary dispensing program into the main dispensing program, and inserting the auxiliary dispensing program into the rear of the dispensing starting point coordinates and each relative position coordinate on the dispensing path.
11. And resetting the original point and ending the dispensing.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In the above embodiments, descriptions of orientations such as "upper", "lower", "side", and the like are based on the drawings.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A dispensing method using a dispensing tool is characterized in that the dispensing tool comprises the following steps:
a base (600), the base (600) comprising a carrying seat (620), and the base (600) being provided with a lens clamp (800), the lens clamp (800) comprising a rectangular profile;
-a fixation assembly (700), the fixation assembly (700) comprising a limit (710), a first slider (720) and a second slider (730), wherein the limit (710) is configured to be in abutment fit with a set of adjacent sides of the rectangular profile, the other set of adjacent sides of the rectangular profile being a first side and a second side, respectively, the first slider (720) being capable of sliding into abutment with the first side and being fixed to the base (600) at the base (600), the second slider (730) being capable of sliding into abutment with the second side and being fixed to the base (600);
a dispensing needle (500), wherein the dispensing needle (500) is used for dispensing the lens clamp (800); and
a movement assembly for imparting freedom of movement in X, Y and Z directions to the dispensing needle (500) relative to the lens holder (800);
the first sliding piece (720) is provided with a first strip-shaped hole (721), the extending direction of the first strip-shaped hole (721) is perpendicular to the first edge, a first bolt (722) is inserted into the first strip-shaped hole (721), and the first bolt (722) is used for fixing the first sliding piece (720) on the bearing seat (620); the second sliding piece (730) is provided with a second strip-shaped hole (731), the extending direction of the second strip-shaped hole (731) is perpendicular to the second edge, a second bolt (732) is inserted into the second strip-shaped hole (731), and the second bolt (732) is used for fixing the second sliding piece (730) on the bearing seat (620); the bearing seat (620) is provided with a plurality of fixing threaded holes (621) which are arrayed, the first bolts (722) are fixed with one of the fixing threaded holes (621) according to the size of the lens clamp (800), and the second bolts (732) are fixed with one of the fixing threaded holes (621) according to the size of the lens clamp (800);
the dispensing method comprises the following steps:
s100: adjusting the relative positions of the dispensing needle (500) and the lens clamp (800) in the X direction and the Y direction by utilizing the moving assembly, so that the dispensing needle (500) is positioned in a dispensing path;
s200: adjusting the relative positions of the dispensing needle (500) and the lens clamp (800) in the Z direction by utilizing the moving assembly, enabling the dispensing needle (500) to be infinitely close to the lens clamp (800), and setting the position of the dispensing needle (500) at the moment as an absolute coordinate position;
s300: according to the number and positions of the glue points (900) of the glue dispensing path, determining the coordinates of the rest glue points (900) to obtain the relative coordinate positions of the rest glue points (900); for a lens clamp with a circular rubber ring, the positions of the other rubber points are determined by the radius of the rubber ring, and for a lens clamp with a rectangular rubber ring, the positions of the other rubber points are determined by the length and the width of the rubber ring;
s400: the absolute coordinate positions and the relative coordinate positions are input into a controller of the dispensing tool, and the moving assembly and the dispensing needle (500) are controlled to dispense the lens clamp (800) at the absolute coordinate positions and the relative coordinate positions.
2. The dispensing method according to claim 1, wherein the base (600) includes a base (610), the moving assembly includes an X-direction module (310), a Y-direction module, and a Z-direction module (320), wherein a fixed portion of the X-direction module (310) is fixedly mounted to the base (610), a movable portion of the X-direction module (310) is fixedly connected to a fixed portion of the Z-direction module (320), and the dispensing needle (500) is fixedly mounted to a movable portion of the Z-direction module (320); the Y-direction module is used for driving the bearing seat (620) to move along the Y direction relative to the base (610); the lens clamp (800) is disposed on the carrier (620).
3. The dispensing method according to claim 1, wherein the stopper (710) comprises an L-shaped fixing frame fixed to the carrier (620) through a part of the fixing screw hole (621).
4. The dispensing method according to claim 1, wherein the lens holder (800) is provided with a receiving groove (810), the dispensing needle (500) is used for dispensing the bottom wall of the receiving groove (810), and the receiving groove (810) is used for receiving an optical lens.
5. The dispensing method of claim 1, wherein the dispensing needle (500) is moved a set distance away from the lens holder (800) for each dispensing operation.
6. The method of dispensing of claim 1, further comprising adjusting a dispensing time prior to each dispensing operation.
7. The method of dispensing of claim 1, further comprising adjusting the air pressure of the dispensing prior to each dispensing operation.
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| CN202111451811.XA CN114226162B (en) | 2021-11-30 | 2021-11-30 | Dispensing tool and method |
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| CN114226162B true CN114226162B (en) | 2023-08-15 |
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| CN114226162A (en) | 2022-03-25 |
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