CN113231283B - UV-LED solidification equipment with adjustable point, line, area source - Google Patents
UV-LED solidification equipment with adjustable point, line, area source Download PDFInfo
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- CN113231283B CN113231283B CN202110504485.8A CN202110504485A CN113231283B CN 113231283 B CN113231283 B CN 113231283B CN 202110504485 A CN202110504485 A CN 202110504485A CN 113231283 B CN113231283 B CN 113231283B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
Abstract
The invention relates to a point, line and area light source adjustable UV-LED curing device, which comprises a platform, an adjusting mechanism and bases distributed in a matrix, wherein the rear side of the base is connected with the platform through the adjusting mechanism, the front side of the base is provided with UV-LED lamp beads, and a condensing cup for condensing divergent light of the UV-LED lamp beads into parallel light; the bases in the horizontal rows form a base group, UV-LED lamp beads in the base group form a light source group, and the adjusting mechanism is used for controlling the base group to rotate towards the transverse central axis direction of the matrix and is also used for controlling the bases in the base group to rotate towards the longitudinal central axis direction of the matrix; the invention can adjust the light source into a point, a line or a surface light source, so that one machine can meet the use requirements of different application scenes, and the applicability and the utilization rate of the equipment are improved; the plurality of UV-LED light sources are converged on the same axis, the plurality of UV-LED point light sources are converged on the same point, the light source irradiation intensity at the converged position is high, and the requirement of a user on high-power light source irradiation can be met.
Description
Technical Field
The invention relates to the technical field of UV-LED curing, in particular to a point, line and area light source adjustable UV-LED curing device.
Background
The UV curing machine is a mechanical device capable of emitting ultraviolet light with specific wavelength through specific lamp beads, and the principle of the UV curing machine is that the ultraviolet light with specific wavelength irradiates a material to be cured, so that a photoinitiator in the material absorbs photons to be changed into free radicals or cations, and the polymer material containing active functional groups is initiated to polymerize into a solid substance. The traditional UV curing equipment uses a mercury lamp as a light source, but the mercury lamp has the defects of quick light attenuation, short service life, large heat generation, environmental pollution and the like, is now being replaced by a UV-LED light source with long service life, small energy consumption and no pollution, and the UV-LED curing machine has been widely applied to the fields of electronics, printing, construction and the like.
At present, the UV equipment is single-function curing equipment, namely, one UV equipment can only control one type of light, the point light source UV curing equipment can only cure a small-area to-be-cured object, the linear light source UV curing equipment can only cure a small linear area, the surface light UV curing equipment can perform large-area curing, and if the large-area light source is used for curing the small-area or the to-be-cured object in the linear area, energy waste and consumption of the service life of the UV-LED lamp beads are caused. Therefore, under the current situation, the same UV curing device has low applicability in different application scenes, and the effective utilization rate of the UV curing device is low.
Partial UV equipment possesses the function of switching into linear light source or pointolite with the area source, often is through the most LED lamp pearl of simple rough closure, only leaves one or one row of lamp pearl and carries out UV solidification, can lead to the lamp pearl life-span different, and partial lamp pearl is damaged more easily, and it is very troublesome to change individual lamp pearl, but changes overall cost again high to can't realize high-power shining.
Disclosure of Invention
The invention aims to solve the technical problem of providing a point, line and area light source adjustable UV-LED curing device aiming at the defects in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
the point, line and area light source adjustable UV-LED curing device comprises a platform, an adjusting mechanism and bases which are distributed in a matrix, wherein the rear side of the base is connected with the platform through the adjusting mechanism, the front side of the base is provided with UV-LED lamp beads, and a condensing cup which condenses divergent light of the UV-LED lamp beads into parallel light; the bases in the horizontal row form a base group, the UV-LED lamp beads in the base group form a light source group, the adjusting mechanism is used for controlling the base group to rotate towards the transverse central axis direction of the matrix so that light emitted by the plurality of light source groups is converged at the same point, and is also used for controlling the bases in the base group to rotate towards the longitudinal central axis direction of the matrix so that light emitted by the plurality of UV-LED lamp beads in the base group is converged at the same point.
Preferably, the adjusting mechanism comprises a plurality of first screws which are distributed in parallel, a fixed rod which is positioned on the same horizontal plane with the first screws, and a second screw which is vertical to the fixed rod; the first screw and the second screw are symmetrically provided with a positive thread section and a reverse thread section, at least one first nut is arranged on the positive thread section and the reverse thread section, and the first nut on the positive thread section and the first nut on the reverse thread section are symmetrical; the first nut on the first screw rod is connected with an adjusting rod through a spring, the front end of the adjusting rod is fixedly connected with the base, the middle section of the adjusting rod is rotationally connected with the fixing rod, and one end of the fixing rod is fixedly connected with the corresponding first nut on the second screw rod; the platform is provided with a first motor for driving the first screw rod to rotate and a second motor for driving the second screw rod; the two ends of the first screw rod and the second screw rod are both rotationally connected with a first rotating seat, and the first rotating seat is fixed on the platform.
Preferably, the second screw rotates the base group in the direction of the transverse central axis of the matrix through forward rotation, so that the light emitted by the plurality of light source groups is converged at the same point; the first screw rod rotates forward to enable the corresponding base in the base group to rotate towards the longitudinal central axis direction of the matrix, so that light emitted by the plurality of UV-LED lamp beads in the base group is converged at the same point.
Preferably, when the number of the bases in the base group is odd, the base in the center in the base group is fixed in the middle of the corresponding fixing rod; when the number of the base groups is odd, the number of the fixing rods is also odd, and one fixing rod end part of the centers of the fixing rods is fixed in the middle of the second screw rod.
Preferably, two second screws are arranged, and two ends of the fixing rod are fixedly connected with the first nuts on the two second screws respectively.
Preferably, the adjusting mechanism comprises a first adjusting frame positioned in the middle of the rear side of the base, a second adjusting frame positioned on the same horizontal line with the first adjusting frame, and a third adjusting frame positioned on the same vertical line with the first adjusting frame; the first regulating frame comprises a first universal seat fixed on the base, the first universal seat is fixedly provided with a fixing seat fixedly connected with the platform, the second regulating frame and the third regulating frame respectively comprise a second universal seat fixed on the base, a third screw rod with one end connected with the second universal seat, and a second nut rotationally connected with the platform, and the other end of the third screw rod is in threaded connection with the second nut.
Preferably, the second adjusting frame is arranged at one side of the base close to the longitudinal central axis of the matrix, and the third adjusting frame is arranged at one side of the base close to the transverse central axis of the matrix; the second nut is provided with a first bevel gear, and the platform is provided with a first transverse rotating shaft corresponding to the first adjusting frame and a second longitudinal rotating shaft corresponding to the second adjusting frame; the two ends of the first rotating shaft and the second rotating shaft are respectively and rotatably connected with a second rotating seat, and the second rotating seats are fixed on the platform; the first rotating shaft and the second rotating shaft are respectively provided with a second bevel gear connected with the first bevel gear in a transmission manner, the second bevel gears on the first rotating shaft are arranged in a mode that the longitudinal central axes of the matrix are used as axisymmetric, and the second bevel gears on the second rotating shaft are arranged in a mode that the transverse central axes of the matrix are used as axisymmetric.
Preferably, when the number of the bases in the base group is an odd number, the bases in the center in the base group are not provided with a second adjusting frame; when the number of the base groups is odd, a plurality of bases in a base group in the center of the base groups are not provided with a third adjusting frame.
Preferably, the first universal seat with the second universal seat all includes connecting rod and connecting seat, and the upper end of this connecting rod is equipped with the bulb, and simultaneously, the lower part of connecting seat is equipped with the connector, is equipped with the draw-in groove of spherical crown shape on the connector, and the bulb card is in this draw-in groove, connector threaded connection has the nut, the nut lower part forms the through-hole, the through-hole upper end matches with the bulb downside, and the diameter of lower extreme is greater than the diameter of this connecting rod but is less than the diameter of bulb.
Preferably, the adjusting mechanism comprises a first rotating adjusting mechanism, a second rotating adjusting mechanism and a rotating plate which are all arranged at the rear side of the base, one end of the rotating plate, which is close to the longitudinal central axis of the matrix, is connected with the base in a transverse rotating mode, one end of the rotating plate, which is close to the transverse central axis of the matrix, is connected with the platform in a longitudinal rotating mode, one end of the first rotating adjusting mechanism is connected with the base in a rotating mode, the other end of the first rotating adjusting mechanism is connected with the rotating plate in a rotating mode, one end of the second rotating adjusting mechanism is connected with the rotating plate in a rotating mode, and the other end of the second rotating adjusting mechanism is connected with the platform in a rotating mode.
The invention has the beneficial effects that: the light source module is formed by the plurality of UV-LED lamp beads, the light condensing cup converts light emitted by the UV-LED lamp beads into parallel light, when a surface light source is needed, the base is regulated by the regulating mechanism, the base is parallel to the platform, the plurality of point light sources in the light source group form a linear light source, the plurality of light source groups are longitudinally distributed, the plurality of linear light sources longitudinally distributed form the surface light source, and the surface light source irradiates an irradiated surface of a product;
when the linear light sources are needed, the plurality of bases in the base group are adjusted by the adjusting mechanism to rotate towards the longitudinal central axis of the matrix, so that a plurality of point light sources in the light source group are converged at the same point to form a point light source, and the plurality of point light sources are longitudinally distributed, so that the plurality of point light sources longitudinally distributed form the linear light sources, or the angle of the base group can be directly adjusted, so that a plurality of linear light sources formed by the plurality of light source groups are converged at one point to form one linear light source, and the irradiated surface of the product is placed at the point where the converged linear light sources are positioned to be irradiated;
when point light sources are needed, the multiple bases in the base group are adjusted by the adjusting mechanism to rotate towards the longitudinal central axis of the matrix, so that the multiple point light sources in the light source group are converged at the same point to form a point light source, then the multiple base groups are rotated towards the transverse central axis of the matrix, so that the multiple point light sources formed by the multiple light source groups are converged into a point light source, and the irradiated surface of the product is placed at the point where the point light sources formed by the convergence are irradiated;
the irradiation area of the light source module can be adjusted by adjusting the distance between the light source module and the product, and the irradiation area of the light source module to the product can be enlarged by upward movement of the product or downward movement of the light source module; if the distance between the light source module and the product is inconvenient to adjust under certain conditions, the angle of the base can be directly adjusted, so that the light source convergence point moves downwards, and the irradiation area of the light source module is diffused, therefore, the light source module can adjust different irradiation areas for different products, the irradiation time of the light source module to the product can be reduced, the production efficiency is improved, and meanwhile, the service life of the light source module can be prolonged; when the irradiated surface of the product is a curved surface, the angle of the base can be adjusted according to the curvature of the curved surface, so that the light source module can irradiate the product more uniformly.
The light source can be adjusted to be a point, a line or a surface light source, so that one machine can meet the use requirements of different application scenes, and the applicability and the utilization rate of the equipment are improved; the plurality of UV-LED light sources are converged on the same axis, the plurality of UV-LED point light sources are converged on the same point, the light source irradiation intensity at the converged position is high, and the requirement of a user on high-power light source irradiation can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained by those skilled in the art without inventive effort:
FIG. 1 is a front view of a point, line, area source adjustable UV-LED curing apparatus according to a first embodiment of the invention;
FIG. 2 is a top view of a point, line, area source adjustable UV-LED curing apparatus according to a first embodiment of the invention;
FIG. 3 is a side view of a point, line, area source adjustable UV-LED curing apparatus according to a first embodiment of the invention;
FIG. 4 is a schematic view showing the convergence of light sources of UV-LED beads of a point, line and area light source adjustable UV-LED curing device according to a first embodiment of the invention;
FIG. 5 is a schematic view showing the convergence of light sources of a light source group of a point, line, area light source adjustable UV-LED curing device according to a first embodiment of the present invention;
FIG. 6 is a top view of a point, line, area source adjustable UV-LED curing apparatus according to a second embodiment of the invention;
FIG. 7 is a side view of a point, line, area source adjustable UV-LED curing apparatus according to a second embodiment of the invention;
FIG. 8 is a schematic view of a gimbal structure of a UV-LED curing device with adjustable point, line and area light source according to a second embodiment of the present invention;
FIG. 9 is a top view of a point, line, area source adjustable UV-LED curing apparatus according to a third embodiment of the invention;
fig. 10 is a side view of a point, line, area source adjustable UV-LED curing apparatus according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
The point, line and area light source adjustable UV-LED curing device of the first embodiment of the invention is shown in figure 1, referring to figures 2-5, and comprises a platform 1, an adjusting mechanism and a base 3 distributed in a matrix, wherein the rear side of the base 3 is connected with the platform 1 through the adjusting mechanism, the front side of the base 3 is provided with UV-LED lamp beads 31, and a condensing cup 32 for condensing divergent light of the UV-LED lamp beads 31 into parallel light; the bases 3 in the horizontal row form a base group, the UV-LED lamp beads 31 in the base group form a light source group, the adjusting mechanism is used for controlling the base group to rotate towards the transverse central axis direction of the matrix so that light emitted by a plurality of light source groups is converged at the same point, and is also used for controlling the bases 3 in the base group to rotate towards the longitudinal central axis direction of the matrix so that light emitted by a plurality of UV-LED lamp beads 31 in the base group is converged at the same point;
as shown in fig. 1 to 3, the adjusting mechanism comprises a plurality of first screws 201 which are distributed in parallel, a fixed rod 202 which is positioned on the same horizontal plane with the first screws 201, and a second screw 203 which is perpendicular to the fixed rod 202; the first screw 201 and the second screw 203 are symmetrically provided with a positive thread section and a reverse thread section, at least one first nut 207 is arranged on the positive thread section and the reverse thread section, and the first nut 207 on the positive thread section and the first nut 207 on the reverse thread section are symmetrical; a first nut 207 on the first screw 201 is connected with an adjusting rod 208 through a spring, the front end of the adjusting rod 208 is fixedly connected with the base 3, the middle section is rotationally connected with the fixed rod 202, and one end of the fixed rod 202 is fixedly connected with the first nut 207 on the corresponding second screw 203; the platform 1 is provided with a first motor 4 for driving the first screw 201 to rotate and a second motor 5 for driving the second screw 203; both ends of the first screw 201 and the second screw 203 are rotatably connected with a first rotating seat 204, and the first rotating seat 204 is fixed on the platform 1;
as shown in fig. 1-3, the second screw 203 rotates the base group in the direction of the transverse central axis of the matrix through forward rotation, so that the light emitted by the plurality of light source groups is converged at the same point; the first screw 201 rotates the corresponding base 3 in the base group to the longitudinal central axis direction of the matrix through forward rotation, so that the light emitted by the plurality of UV-LED lamp beads 31 in the base group is converged at the same point;
the light focusing cup converts light emitted by the UV-LED lamp beads into parallel light to form a point light source, so that the light source group consists of a plurality of point light sources;
when the surface light source is needed, the base is parallel to the platform by rotating the first screw 201 and the second screw 203, a plurality of point light sources in the light source group form linear light sources, the light source groups are longitudinally distributed, and the longitudinally distributed linear light sources form the surface light source;
when a linear light source is needed, the first screw rod 201 is driven to rotate forwards through the first motor 4, so that the first nut 207 on the first screw rod 201 moves in a direction away from the longitudinal central axis of the matrix, the adjusting rod 208 is driven to rotate transversely by taking the fixing rod 202 as the center, the base 3 in the base group rotates in a direction close to the longitudinal central line of the matrix, a plurality of point light sources in the light source group are converged at the same point to form a point light source, and the plurality of point light sources are longitudinally distributed, so that the plurality of point light sources longitudinally distributed form the linear light source; or, the second motor 5 may drive the second screw 203 to rotate forward, so that the first nut 207 on the second screw 203 moves towards the direction close to the longitudinal central axis of the matrix, and the adjusting rod 208 is driven to rotate longitudinally with the first nut 207 on the first screw 201 as the center, so that the line light sources formed by the light source groups are converged into one line light source;
when a point light source is required, the first step is: the first screw rod 201 is driven to rotate forward by the first motor 4, so that a first nut 207 on the first screw rod 201 moves in a direction away from the longitudinal central axis of the matrix, and the adjusting rod 208 is driven to rotate transversely by taking the fixing rod 202 as a center, so that the base 3 in the base group rotates in a direction close to the longitudinal central line of the matrix, and a plurality of point light sources in the light source group are converged at the same point to form a point light source; and a second step of: the second motor 5 drives the second screw 203 to rotate forward, so that the first nut 207 on the second screw 203 moves towards the direction close to the longitudinal central axis of the matrix, and the adjusting rod 208 is driven to rotate longitudinally by taking the first nut 207 on the first screw 201 as the center, so that point light sources formed by a plurality of light source groups are converged into one point light source; the two steps do not distinguish strict sequence, and the first step and the second step can be implemented first;
as shown in fig. 4 and 5, the irradiation area of the light source module can be adjusted by adjusting the distance between the light source module and the product, and the irradiation area of the light source module to the product can be enlarged by upward movement of the product or downward movement of the light source module; if the distance between the light source module and the product is inconvenient to adjust under certain conditions, the angle of the base can be directly adjusted, so that the light source convergence point moves downwards, and the irradiation area of the light source module is diffused, therefore, the light source module can adjust different irradiation areas for different products, the irradiation time of the light source module to the product can be reduced, the production efficiency is improved, and meanwhile, the service life of the light source module can be prolonged; when the irradiated surface of the product is a curved surface, the angle of the base can be adjusted according to the curvature of the curved surface, so that the light source module can irradiate the product more uniformly;
the invention can adjust the light source into a point, a line or a surface light source, so that one machine can meet the use requirements of different application scenes, and the applicability and the utilization rate of the equipment are improved; the plurality of UV-LED light sources are converged on the same axis, the plurality of UV-LED point light sources are converged on the same point, the light source irradiation intensity at the converged position is high, and the requirement of a user on high-power light source irradiation can be met.
When any base rotates transversely, the calculation method of the rotation angle value is as follows: the rotating angle of the adjusting rod is A, the distance between the rotating point of the adjusting rod and the midpoint of the fixed rod is a, the distance between the midpoint of the first screw rod and the light source aggregation point is b, and the distance between the rotating point of the adjusting rod and the light source aggregation point is
Then trigonometric function formulas can be derived
From this, the value of the angle a can be calculated; specifically, a=5, b=12, then +.>
A＝arc cos(cosA)≈22.62；
When any base group longitudinally rotates, the rotating angle value calculating method comprises the following steps: the rotation angle of the adjusting rod is set as A, the vertical distance between the rotation point of the adjusting rod and the midpoint of the second screw rod is set as a, the horizontal distance between the first screw rod and the light source polymerization point is set as b, and the method is also adopted
The value of angle a is calculated.
The forward thread section comprises first moving sections corresponding to the first nuts one by one, the pitches of the first moving sections are different, the farther the first moving sections are from the symmetry axis of the forward thread and the reverse thread, the larger the pitches of the threads on the first moving sections are, and the reverse thread section comprises second moving sections corresponding to the first moving sections.
As shown in fig. 1 to 3, when the number of pedestals 3 in the pedestal group is an odd number, the pedestals 3 positioned at the center in the pedestal group do not need to be laterally rotated, so that they can be fixed at the middle of the corresponding fixing rod 202; when the number of the padgroups is an odd number, a padgroup does not need to be longitudinally rotated at the center of the plurality of padgroups, and thus an end of a fixing rod 202 at the center of the plurality of fixing rods 202 is fixed at the middle of the second screw 203.
As shown in fig. 1-3, for stability of the longitudinal moving structure, in this embodiment, two second screws 203 are provided, and two ends of the fixing rod 202 are respectively and fixedly connected with the first nuts 207 on the two second screws 203, so that the fixing rod 202 is stressed more uniformly when moving longitudinally, and the two second motors 5 rotate synchronously, thereby reducing the possibility of jamming during moving.
The present invention also provides a second embodiment of a point, line, area light source adjustable UV-LED curing apparatus, as shown in fig. 6-8, the first embodiment has the same features as the second embodiment, except that the adjusting mechanism includes a first adjusting bracket 210 located in the middle of the rear side of the base 3, a second adjusting bracket 211 located on the same horizontal line as the first adjusting bracket 210, and a third adjusting bracket 212 located on the same vertical line as the first adjusting bracket 210; the first adjusting frame 210 comprises a first universal seat 213 fixed on the base 3, a fixed seat 214 fixedly connected with the platform 1 is fixed on the first universal seat 213, the second adjusting frame 211 and the third adjusting frame 212 respectively comprise a second universal seat 215 fixed on the base 3, a third screw rod 216 with one end connected with the second universal seat 215, and a second nut 217 rotationally connected with the platform 1, and the other end of the third screw rod 216 is in threaded connection with the second nut 217; the second adjusting frame 211 is arranged on one side of the base 3 close to the longitudinal central axis of the matrix, and the third adjusting frame 212 is arranged on one side of the base 3 close to the transverse central axis of the matrix;
the light focusing cup converts light emitted by the UV-LED lamp beads into parallel light to form a point light source, so that the light source group consists of a plurality of point light sources;
when the surface light source is needed, the base is parallel to the platform by rotating the second nut 217 on the second adjusting frame 211 and the second nut 217 on the third adjusting frame 212, a plurality of point light sources in the light source groups form linear light sources, the light source groups are longitudinally distributed, a plurality of longitudinally distributed linear light sources form the surface light source, and the surface light source irradiates the irradiated surface of the product;
when the linear light source is needed, the second nut 217 on the second adjusting frame 211 is rotated forward to enable the third screw rod 216 to descend into the second nut 217, the base 3 is driven to rotate in the direction close to the longitudinal center line of the matrix by taking the axis formed by the first adjusting frame 210 and the third adjusting frame 212 as the center, a plurality of point light sources in the light source group are converged at the same point to form a point light source, and the plurality of point light sources are distributed longitudinally, so that the plurality of point light sources distributed longitudinally form the linear light source; alternatively, the second nut 217 on the third adjusting frame 212 may be rotated forward to make the third screw 216 descend into the second nut 217, so as to drive the base 3 to rotate around the axis formed by the first adjusting frame 210 and the second adjusting frame 211 and in a direction close to the transverse center line of the matrix, so that the multiple line light sources formed by the multiple light source groups are converged into one line light source, and the irradiated surface of the product is placed at the point where the converged line light sources are irradiated;
when a point light source is required, the first step is: by rotating the second nut 217 on the second adjusting frame 211 in the forward direction, the third screw 216 is lowered into the second nut 217 to drive the base 3 to rotate in the direction close to the longitudinal center line of the matrix by taking the axis formed by the first adjusting frame 210 and the third adjusting frame 212 as the center, so that a plurality of point light sources in the light source group are converged at the same point to form a point light source; and a second step of: the second nut 217 on the third adjusting frame 212 is rotated forward, so that the third screw 216 is lowered into the second nut 217, the base 3 is driven to rotate by taking the axis formed by the first adjusting frame 210 and the second adjusting frame 211 as the center and towards the direction close to the transverse center line of the matrix, the point light sources formed by a plurality of light source groups are converged into a point light source, and the irradiated surface of the product is placed at the point where the point light sources formed by the convergence are irradiated; the two steps do not distinguish strict sequence, and the first step and the second step can be implemented first;
the light source can be adjusted to be a point, a line or a surface light source, so that one machine can meet the use requirements of different application scenes, and the applicability and the utilization rate of the equipment are improved; the plurality of UV-LED light sources are converged on the same axis, the plurality of UV-LED point light sources are converged on the same point, the light source irradiation intensity at the converged position is high, and the requirement of a user on high-power light source irradiation can be met.
As shown in fig. 6 and 7, the second nut 217 is provided with a first bevel gear 218, and the platform 1 is provided with a first transverse rotating shaft 219 corresponding to the first adjusting frame 210 and a second longitudinal rotating shaft 220 corresponding to the second adjusting frame 211; the two ends of the first rotating shaft 219 and the second rotating shaft 220 are rotatably connected with a second rotating seat 221, and the second rotating seat 221 is fixed on the platform 1; the first rotating shaft 219 and the second rotating shaft 220 are respectively provided with a second bevel gear 222 in transmission connection with the first bevel gear 218, the second bevel gears 222 on the first rotating shaft 219 are axially symmetrically arranged by taking the longitudinal central axis of the matrix, and the second bevel gears 222 on the second rotating shaft 220 are axially symmetrically arranged by taking the transverse central axis of the matrix;
by rotating the first rotating shaft 219, the second bevel gear 222 on the first rotating shaft rotates the first bevel gear 218, so that the third screw rod 216 of the second adjusting frame 211 of a horizontal row descends into the corresponding second nut 217, and the base 3 of a horizontal row rotates towards the direction approaching to the longitudinal center line of the matrix; by rotating the second rotating shaft 220, the second bevel gear 222 on the second rotating shaft drives the first bevel gear 218 to rotate, so that the third screw rod 216 of the second adjusting frame 211 of a vertical row is lowered into the corresponding second nut 217, and the base 3 of a horizontal row is rotated in a direction approaching to the transverse central line of the matrix; the base 3 of a horizontal row or a vertical row can be adjusted at one time, and the adjustment is more convenient and labor-saving.
As shown in fig. 6 and 7, when the number of pedestals 3 in the pedestal group is an odd number, the centrally located pedestals 3 in the pedestal group do not need to rotate laterally, so the centrally located pedestals 3 in the pedestal group are not provided with the second adjusting frame 211; when the number of the base groups is odd, a base group of the plurality of base group centers does not need to rotate longitudinally, so that the plurality of bases 3 in the base group of the plurality of base group centers are not provided with the third adjusting frame 212.
As shown in fig. 8, the first universal seat 213 and the second universal seat 215 each include a connecting rod 223 and a connecting seat 225, a ball head 224 is disposed at an upper end of the connecting rod 223, meanwhile, a connector 226 is disposed at a lower end of the connecting seat 225, a spherical-crown-shaped clamping groove 227 is disposed on the connector 226, the ball head 224 is clamped in the clamping groove 227, a nut 228 is screwed on the connector 226, a through hole 229 is formed at a lower portion of the nut 228, an upper end of the through hole is matched with a lower side of the ball head 224, and a diameter of the lower end is larger than a diameter of the connecting rod 223 but smaller than a diameter of the ball head 224.
The invention also provides a third embodiment of the UV-LED curing device with adjustable points, lines and surface light sources, as shown in fig. 9 and 10, the third embodiment has the same points as the first embodiment, and the difference is that the adjusting mechanism comprises a first rotating adjusting mechanism 230, a second rotating adjusting mechanism 231 and a rotating plate 232 which are all arranged at the rear side of the base 3, one end of the rotating plate 232 close to the longitudinal central axis of the matrix is transversely and rotatably connected with the base 3, one end close to the transverse central axis of the matrix is longitudinally and rotatably connected with the platform (1), one end of the first rotating adjusting mechanism 230 is rotatably connected with the base 3, the other end of the first rotating adjusting mechanism is rotatably connected with the rotating plate 232, and one end of the second rotating adjusting mechanism 231 is rotatably connected with the rotating plate 232, and the other end of the second rotating adjusting mechanism 231 is rotatably connected with the platform 1;
when the rotation angles of the plurality of bases 3 in the base group and the corresponding rotating plates 232 reach the maximum, a plurality of point light sources in the base group are converged into one point light source, and when the rotation angles of all the rotating plates 232 and the platform 2 reach the maximum, the light emitted by the light source group is converged at one point;
the first rotation adjusting mechanism can limit the rotation angle of the base 3 and the corresponding rotation plate 232 when the rotation angle reaches the maximum, so that the rotation plate 232 cannot rotate relative to the base 3; the second rotation adjusting mechanism can limit the rotation angle of the platform 1 and the rotation plate 232 when the rotation angles reach the maximum, so that the rotation plate 232 cannot rotate relative to the platform 1.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (7)
1. The UV-LED curing device with adjustable points, lines and surface light sources is characterized by comprising a platform (1), an adjusting mechanism and bases (3) distributed in a matrix, wherein the rear side of the bases (3) is connected with the platform (1) through the adjusting mechanism, the front side of the bases (3) is provided with UV-LED lamp beads (31) and a condensing cup (32) for condensing divergent light of the UV-LED lamp beads (31) into parallel light; the base (3) in the horizontal row forms a base group, the UV-LED lamp beads (31) in the base group form a light source group, the adjusting mechanism is used for controlling the base group to rotate towards the horizontal central axis direction of the matrix so that light emitted by the plurality of light source groups is converged at the same point, and is also used for controlling the base (3) in the base group to rotate towards the longitudinal central axis direction of the matrix so that light emitted by the plurality of UV-LED lamp beads (31) in the base group is converged at the same point; the adjusting mechanism comprises a plurality of first screws (201) which are distributed in parallel, a fixed rod (202) which is positioned on the same horizontal plane with the first screws (201), and a second screw (203) which is perpendicular to the fixed rod (202); the first screw (201) and the second screw (203) are symmetrically distributed with a positive thread section and a reverse thread section, at least one first nut (207) is arranged on each of the positive thread section and the reverse thread section, and the first nuts (207) on the positive thread section and the first nuts (207) on the reverse thread section are symmetrical; a first nut (207) on the first screw (201) is connected with an adjusting rod (208) through a spring, the front end of the adjusting rod (208) is fixedly connected with the base (3), the middle section of the adjusting rod is rotationally connected with the fixed rod (202), and one end of the fixed rod (202) is fixedly connected with the corresponding first nut (207) on the second screw (203); the platform (1) is provided with a first motor (4) for driving the first screw (201) to rotate and a second motor (5) for driving the second screw (203); both ends of the first screw rod (201) and the second screw rod (203) are rotatably connected with a first rotating seat (204), and the first rotating seat (204) is fixed on the platform (1).
2. The UV-LED curing apparatus with adjustable point, line and area light source according to claim 1, wherein the second screw (203) rotates the base group in the direction of the transverse central axis of the matrix by forward rotation, so that the light emitted by the plurality of light source groups is converged at the same point; the first screw rods (201) rotate forward to enable the bases (3) in the corresponding base groups to rotate towards the longitudinal central axis direction of the matrix, so that light emitted by the plurality of UV-LED lamp beads (31) in the base groups is converged at the same point.
3. The UV-LED curing device with adjustable point, line and area light source according to claim 1, wherein when the number of pedestals (3) in the base group is odd, the center-positioned pedestals (3) in the base group are fixed in the middle of the corresponding fixing rod (202); when the number of the base groups is odd, the number of the fixing rods (202) is also odd, and one end part of one fixing rod (202) in the center of the plurality of fixing rods (202) is fixed at the middle part of the second screw rod (203).
4. The UV-LED curing device with adjustable point, line and area light source according to claim 1, wherein two second screws (203) are provided, and two ends of the fixing rod (202) are fixedly connected with first nuts (207) on the two second screws (203), respectively.
5. The UV-LED curing device with adjustable points, lines and surface light sources is characterized by comprising a platform (1), an adjusting mechanism and bases (3) distributed in a matrix, wherein the rear side of the bases (3) is connected with the platform (1) through the adjusting mechanism, the front side of the bases (3) is provided with UV-LED lamp beads (31) and a condensing cup (32) for condensing divergent light of the UV-LED lamp beads (31) into parallel light; the base (3) in the horizontal row forms a base group, the UV-LED lamp beads (31) in the base group form a light source group, the adjusting mechanism is used for controlling the base group to rotate towards the horizontal central axis direction of the matrix so that light emitted by the plurality of light source groups is converged at the same point, and is also used for controlling the base (3) in the base group to rotate towards the longitudinal central axis direction of the matrix so that light emitted by the plurality of UV-LED lamp beads (31) in the base group is converged at the same point; the adjusting mechanism comprises a first adjusting frame (210) positioned in the middle of the rear side of the base (3), a second adjusting frame (211) positioned on the same horizontal line with the first adjusting frame (210), and a third adjusting frame (212) positioned on the same vertical line with the first adjusting frame (210); the first adjusting frame (210) comprises a first universal seat (213) fixed on the base (3), a fixed seat (214) fixedly connected with the platform (1) is fixed on the first universal seat (213), the second adjusting frame (211) and the third adjusting frame (212) comprise a second universal seat (215) fixed on the base (3), a third screw rod (216) with one end connected with the second universal seat (215), and a second nut (217) rotationally connected with the platform (1), and the other end of the third screw rod (216) is in threaded connection with the second nut (217); the second adjusting frame (211) is arranged on one side, close to the longitudinal central axis of the matrix, of the base (3), and the third adjusting frame (212) is arranged on one side, close to the transverse central axis of the matrix, of the base (3); the second nut (217) is provided with a first bevel gear (218), and the platform (1) is provided with a first transverse rotating shaft (219) corresponding to the first adjusting frame (210) and a second longitudinal rotating shaft (220) corresponding to the second adjusting frame (211); both ends of the first rotating shaft (219) and the second rotating shaft (220) are rotatably connected with a second rotating seat (221), and the second rotating seat (221) is fixed on the platform (1); the first rotating shaft (219) and the second rotating shaft (220) are respectively provided with a second bevel gear (222) in transmission connection with the first bevel gear (218), the second bevel gears (222) on the first rotating shaft (219) are axially symmetrically arranged by taking a longitudinal central axis of a matrix, and the second bevel gears (222) on the second rotating shaft (220) are axially symmetrically arranged by taking a transverse central axis of the matrix.
6. The UV-LED curing device with adjustable point, line and area light source according to claim 5, wherein when the number of pedestals (3) in the base group is odd, the center-positioned pedestals (3) in the base group are not provided with a second adjusting frame (211); when the number of the base groups is odd, a plurality of bases (3) in a base group in the center of the plurality of base groups are not provided with a third adjusting frame (212).
7. The UV-LED curing device with adjustable point, line and area light source according to claim 5, wherein the first universal seat (213) and the second universal seat (215) each comprise a connecting rod (223) and a connecting seat (225), the upper end of the connecting rod (223) is provided with a ball head (224), meanwhile, the lower part of the connecting seat (225) is provided with a connecting head (226), the connecting head (226) is provided with a spherical-crown-shaped clamping groove (227), the ball head (224) is clamped in the clamping groove (227), the connecting head (226) is in threaded connection with a nut (228), a through hole (229) is formed at the lower part of the nut (228), the upper end of the through hole (229) is matched with the lower side of the ball head (224), and the diameter of the lower end is larger than the diameter of the connecting rod (223) but smaller than the diameter of the ball head (224).
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| GB1509312A (en) * | 1974-04-01 | 1978-05-04 | Nippon Paint Co Ltd | Method and apparatus for curing photo-curable composition |
| JP4779893B2 (en) * | 2006-09-06 | 2011-09-28 | 大日本印刷株式会社 | Surface light source device and transmissive display device |
| CN103858042B (en) * | 2011-10-12 | 2019-05-28 | 佛森技术公司 | More light for curing optical fiber assemble and the lens combination with same position focus |
| JP6215607B2 (en) * | 2013-07-23 | 2017-10-18 | 浜松ホトニクス株式会社 | Light source device |
| CN106981482A (en) * | 2017-05-11 | 2017-07-25 | 宁波升谱光电股份有限公司 | A kind of LED dimmed light sources and preparation method thereof |
| FR3072445B1 (en) * | 2017-10-16 | 2020-11-13 | Valeo Vision | LIGHT MODULE FOR MOTOR VEHICLES |
| CN208466394U (en) * | 2018-05-15 | 2019-02-05 | 深圳市新纶科技股份有限公司 | A kind of UV curing apparatus of point, line, surface light source adjustable |
| CN209084435U (en) * | 2018-12-02 | 2019-07-09 | 中山高峻照明电器有限公司 | A kind of integrated lamp bulb that angle is fine-tuning |
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