CN113231283A - UV-LED curing device with adjustable point, line and surface light source - Google Patents
UV-LED curing device with adjustable point, line and surface light source Download PDFInfo
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- CN113231283A CN113231283A CN202110504485.8A CN202110504485A CN113231283A CN 113231283 A CN113231283 A CN 113231283A CN 202110504485 A CN202110504485 A CN 202110504485A CN 113231283 A CN113231283 A CN 113231283A
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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
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Abstract
The invention relates to a point, line and surface light source adjustable UV-LED curing device, which comprises a platform, an adjusting mechanism and a base distributed in a matrix manner, wherein the rear side of the base is connected with the platform through the adjusting mechanism; the adjusting mechanism is used for controlling the base groups to rotate towards the direction of a transverse central axis of the matrix and also used for controlling the bases in the base groups to rotate towards the direction of a longitudinal central axis of the matrix; the invention can adjust the light source into a point, line or area light source, so that one machine meets the use requirements of different application scenes, and the applicability and the utilization rate of the equipment are improved; the plurality of UV-LED line 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 convergence position is high, and the requirement of a user on irradiation of a high-power light source can be met.
Description
Technical Field
The invention relates to the technical field of UV-LED curing, in particular to a UV-LED curing device with an adjustable point, line and surface light source.
Background
The UV curing machine is a mechanical device which emits ultraviolet rays with specific wavelength through specific lamp beads, and the principle of the UV curing machine is that the ultraviolet rays with specific wavelength irradiate a material to be cured, so that a photoinitiator in the material absorbs photons to be changed into free radicals or cations, and then the high polymer material containing active functional groups is initiated to be polymerized 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 fast light decay, short service life, large heat generation, environmental pollution and the like, and is being replaced by a UV-LED light source with long service life, low energy consumption and no pollution at present, and the UV-LED curing machine is widely applied to the fields of electronics, printing, buildings and the like.
At present, UV equipment is single function curing equipment, and one UV equipment can only control the light of a type promptly, and pointolite UV curing equipment can only solidify the thing of treating of small size, and line source UV curing equipment can only solidify narrow and small linear region, and the face light UV curing equipment adopts and to carry out the solidification of large tracts of land, if with the solid thing of treating of large tracts of land light source solidification small size or linear region, then will lead to the fact the energy extravagant and the consumption in UV-LED lamp pearl life-span certainly. Therefore, under the current situation, the applicability of the same UV curing device in different application scenes is not strong, and the effective utilization rate of the UV curing device is not high.
Partial UV equipment possesses the function that switches into line source or pointolite with the area source, often closes most LED lamp pearl through simple rough, only leaves one or one row of lamp pearl and carries out the UV solidification, can lead to the lamp pearl life-span different, and partial lamp pearl is more easily damaged, and it is very troublesome to change lamp pearl individually, but changes overall cost again to can't realize shining of high power.
Disclosure of Invention
The present invention is directed to provide a UV-LED curing apparatus with adjustable point, line and surface light sources, which overcomes the above-mentioned drawbacks of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the UV-LED curing device with the adjustable point, line and surface light sources comprises a platform, an adjusting mechanism and bases distributed in a matrix manner, wherein the rear sides of the bases are connected with the platform through the adjusting mechanism, and the front sides of the bases are provided with UV-LED lamp beads and light-gathering cups for gathering the light diffused by the UV-LED lamp beads into parallel light; the adjusting mechanism is used for controlling the base group to rotate towards the direction of a horizontal central axis of the matrix to enable light emitted by the light source groups to converge at the same point, and is also used for controlling the base group to rotate towards the direction of a longitudinal central axis of the matrix to enable light emitted by the UV-LED lamp beads in the base group to converge at the same point.
Preferably, the adjusting mechanism comprises a plurality of first screws distributed in parallel, a fixing rod positioned on the same horizontal plane with the first screws, and a second screw perpendicular to the fixing rod; a regular thread section and a reverse thread section are symmetrically distributed on the first screw rod and the second screw rod, at least one first nut is arranged on each of the regular thread section and the reverse thread section, and the first nut on the regular thread section is symmetrical to the first nut on the reverse thread section; a 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 rotatably connected with the fixing rod, and one end of the fixing rod is fixedly connected with a 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 to rotate; the two ends of the first screw rod and the second screw rod are rotatably connected with first rotating seats, and the first rotating seats are fixed on the platform.
Preferably, the second screw rod rotates the base group in the direction of the transverse central axis of the matrix through forward rotation, so that light emitted by the light source groups is converged at the same point; the first screw rod enables the corresponding base in the base group to rotate towards the direction of the longitudinal central axis of the matrix through forward rotation, and light emitted by the UV-LED lamp beads in the base group is converged at the same point.
Preferably, when the number of the pedestals in the pedestal group is odd, the pedestal in the center of the pedestal 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 the end part of one fixing rod at the center of the plurality of fixing rods is fixed in the middle of the second screw rod.
Preferably, the number of the second screw rods is two, and two ends of the fixing rod are respectively fixedly connected with the first nuts on the two second screw rods.
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 adjusting frame comprises a first universal seat fixed on the base, the first universal seat is fixedly connected with the fixed seat fixedly connected with the platform, the second adjusting frame and the third adjusting frame 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 connected with the platform in a rotating mode, and the other end of the third screw rod is in threaded connection with the second nut.
Preferably, the second adjusting bracket is arranged on one side of the base close to the longitudinal central axis of the matrix, and the third adjusting bracket is arranged on one side of the base close to the transverse central axis of the matrix; a first bevel gear is arranged on the second nut, and a transverse first rotating shaft corresponding to the first adjusting frame and a longitudinal second rotating shaft corresponding to the second adjusting frame are arranged on the platform; two ends of the first rotating shaft and the second rotating shaft are both rotatably connected with second rotating seats, and the second rotating seats are fixed on the platform; the first rotating shaft and the second rotating shaft are both provided with second bevel gears in transmission connection with the first bevel gears, the second bevel gears on the first rotating shaft are arranged in an axisymmetric mode by taking a longitudinal central axis of the matrix as the axis, and the second bevel gears on the second rotating shaft are arranged in an axisymmetric mode by taking a transverse central axis of the matrix as the axis.
Preferably, when the number of the bases in the base group is odd, the base in the center of the base group is not provided with the second adjusting frame; when the number of the base groups is odd, the third adjusting frame is not arranged on the plurality of bases in one base group at the center of the plurality of base groups.
Preferably, first universal seat with the universal seat of second 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 cap 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, adjustment mechanism rotates adjustment mechanism and rotor plate including all locating the first rotation adjustment mechanism, the second of base rear side, the rotor plate be close to the vertical axis of matrix one end with the base transversely rotates and connects, be close to the horizontal axis of matrix one end with the platform vertically rotates and connects, first rotation adjustment mechanism one end with the base rotates and connects, the other end with the rotor plate rotates and connects, second rotation adjustment mechanism one end with the rotor plate rotates and connects, the other end with the platform rotates and connects.
The invention has the beneficial effects that: the plurality of UV-LED lamp beads form a light source module, the light-gathering cup converts light diffused by the UV-LED lamp beads into parallel light, when a surface light source is needed, the base is adjusted through the adjusting mechanism to enable the base to be 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 which are longitudinally distributed form the surface light source, and the surface light source irradiates the irradiated surface of a product;
when the line light source is needed, the adjusting mechanism is used for adjusting to rotate the bases in the base group 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 light source groups are longitudinally distributed, so that the longitudinally distributed point light sources form the line light source, or the angle of the base group can be directly adjusted to converge a plurality of line light sources formed by the light source groups at one point to form a line light source, and the irradiated surface of the product is placed at the point where the line light source formed by convergence is positioned to be irradiated;
when the point light sources are needed to be used, the adjusting mechanism is used for adjusting to rotate the bases in the base group 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, then the base groups are rotated towards the transverse central axis of the matrix, so that the plurality of point light sources formed by the 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 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 moving the product upwards or downwards; 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 aiming at different products, the irradiation time of the light source module on the product can be reduced, the production efficiency is improved, and the service life of the light source module can be prolonged; when the illuminated 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 illumination of the product by the light source module is more uniform.
The light source can be adjusted to be a point, line or area light source, so that one machine meets the use requirements of different application scenes, and the applicability and the utilization rate of the equipment are improved; the plurality of UV-LED line 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 convergence position is high, and the requirement of a user on irradiation of a high-power light source 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, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a front view of a point, line, area light source adjustable UV-LED curing apparatus according to a first embodiment of the present invention;
FIG. 2 is a top view of a first embodiment of a point, line, area light source adjustable UV-LED curing apparatus of the present invention;
FIG. 3 is a side view of a first embodiment of a point, line, area light source adjustable UV-LED curing apparatus of the present invention;
FIG. 4 is a schematic diagram of the light source convergence of the UV-LED lamp bead of the UV-LED curing device with the adjustable point, line and area light sources according to the first embodiment of the invention;
FIG. 5 is a schematic view of the light source convergence of the light source set of the UV-LED curing device with adjustable point, line and area light sources according to the first embodiment of the present invention;
FIG. 6 is a top view of a point, line, area light source adjustable UV-LED curing apparatus according to a second embodiment of the present invention;
FIG. 7 is a side view of a point, line, area light source adjustable UV-LED curing apparatus according to a second embodiment of the present invention;
FIG. 8 is a schematic view of a gimbal structure of a UV-LED curing apparatus with adjustable point, line and area light sources according to a second embodiment of the present invention;
FIG. 9 is a top view of a point, line, area light source adjustable UV-LED curing apparatus according to a third embodiment of the present invention;
fig. 10 is a side view of a point, line, area light 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 clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The point, line and surface light source adjustable UV-LED curing device of the first embodiment of the invention is shown in figure 1, refer to figures 2-5, and comprises a platform 1, an adjusting mechanism and a base 3 distributed in a matrix form, 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 light-gathering cup 32 for gathering the light diffused by the UV-LED lamp beads 31 into parallel light; the horizontal row of the bases 3 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 direction of a horizontal central axis of the matrix to enable light emitted by a plurality of light source groups to converge at the same point, and is also used for controlling the bases 3 in the base group to rotate towards the direction of a longitudinal central axis of the matrix to enable light emitted by a plurality of UV-LED lamp beads 31 in the base group to converge at the same point;
as shown in fig. 1-3, the adjusting mechanism includes a plurality of first screws 201 distributed in parallel, a fixing rod 202 located at the same level as the first screws 201, and a second screw 203 perpendicular to the fixing rod 202; a positive thread section and a negative thread section are symmetrically distributed on the first screw 201 and the second screw 203, at least one first nut 207 is arranged on the positive thread section and the negative thread section, and the first nut 207 on the positive thread section is symmetrical to the first nut 207 on the negative thread section; 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 208 is rotatably connected with the fixing rod 202, and one end of the fixing 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 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 set in the direction of the horizontal central axis of the matrix by forward rotation, so that the light emitted from the plurality of light source sets converge at the same point; the first screw 201 rotates forward to enable the corresponding base 3 in the base group to rotate towards the direction of the longitudinal central axis of the matrix, so that light emitted by the UV-LED lamp beads 31 in the base group is converged at the same point;
the light-gathering cup converts light diffused 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 a linear light source, a plurality of light source groups are longitudinally distributed, and a plurality of longitudinally distributed linear light sources form the surface light source;
when a line light source is needed, the first screw 201 is driven to rotate forward by the first motor 4, so that the first nut 207 on the first screw 201 moves 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 a center, the base 3 in the base group rotates towards the direction close to the longitudinal central axis 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 light source groups are distributed longitudinally, so that the plurality of point light sources distributed longitudinally form the line light source; or, the second motor 5 can also 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 around the first nut 207 on the first screw 201, so that linear light sources formed by a plurality of light source groups are converged into one linear light source;
when a point light source is needed, the first step: the first motor 4 drives the first screw 201 to rotate forward, so that the first nut 207 on the first screw 201 moves away from the longitudinal central axis of the matrix, and drives the adjusting rod 208 to rotate transversely around the fixing rod 202, so that the base 3 in the base group rotates towards the direction close to the longitudinal central axis of the matrix, and a plurality of point light sources in the light source group converge at the same point to form a point light source; the second step is that: the second screw 203 is driven to rotate forward by the second motor 5, so that the first nut 207 on the second screw 203 moves towards the direction close to the longitudinal central axis of the matrix, the adjusting rod 208 is driven to rotate longitudinally by taking the first nut 207 on the first screw 201 as the center, and point light sources formed by a plurality of light source groups are converged into one point light source; the two steps are not strictly sequential, and the first step can be implemented first, and then the second step can be implemented;
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 product by the light source module can be enlarged by moving the product upwards or downwards; 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 aiming at different products, the irradiation time of the light source module on the product can be reduced, the production efficiency is improved, and 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, line or area light source, so that one machine meets the use requirements of different application scenes, and the applicability and the utilization rate of the equipment are improved; the plurality of UV-LED line 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 convergence position is high, and the requirement of a user on irradiation of a high-power light source can be met.
When any base transversely rotates, the method for calculating the rotating angle value is as follows: setting the rotating angle of the adjusting rod to be A, the distance between the rotating point of the adjusting rod and the middle point of the fixed rod to be a, the distance between the middle point of the first screw rod and the light source convergence point to be b, and setting the distance between the rotating point of the adjusting rod and the light source convergence point to be B
Then the trigonometric function formula can be obtained
From this, the value of angle a can be calculated; specifically, if a is 5 and b is 12, the ratio of a to b is defined as
A＝arc cos(cosA)≈22.62；
When any base group rotates longitudinally, the method for calculating the rotating angle value is as follows: setting the rotating angle of the adjusting rod to be A, setting the vertical distance between the rotating point of the adjusting rod and the middle point of the second screw rod to be a, and setting the horizontal distance between the first screw rod and the light source convergence point to be b, and adopting the same method
The formula (a) calculates the value of angle a.
The clockwise thread section comprises first moving sections in one-to-one correspondence with the first nuts, the thread pitches of the first moving sections are different, the farther the distance between symmetrical axes of the clockwise thread and the anticlockwise thread is, the larger the thread pitch of the thread on the clockwise thread section is, and the anticlockwise thread section comprises second moving sections corresponding to the first moving sections.
As shown in fig. 1-3, when the number of pads 3 in the padgroup is odd, the central pad 3 in the padgroup does not need to rotate laterally, so that it can be fixed in the middle of the corresponding fixing rod 202; when the number of the padgroups is odd, the central padgroup of the padgroups does not need to be longitudinally rotated, so that the end of a fixing rod 202 at the center of the fixing rods 202 is fixed in the middle of the second screw rod 203.
As shown in fig. 1 to 3, in order to stabilize the longitudinal movement structure, in this embodiment, two second screws 203 are provided, and two ends of the fixing rod 202 are respectively and fixedly connected to the first nuts 207 on the two second screws 203, so that the stress applied to the fixing rod 202 during the longitudinal movement is more uniform, the two second motors 5 rotate synchronously, and the possibility of being jammed during the movement is reduced.
The present invention also provides a second embodiment of a point, line, surface light source adjustable UV-LED curing apparatus, as shown in fig. 6 to 8, the first embodiment has the same points as the second embodiment except that the adjusting mechanism includes a first adjusting bracket 210 located at the middle of the rear side of the susceptor 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 216 with one end connected with the second universal seat 215, and a second nut 217 rotatably connected with the platform 1, and the other end of the third screw 216 is in threaded connection with the second nut 217; the second adjusting bracket 211 is arranged on one side of the base 3 close to the longitudinal central axis of the matrix, and the third adjusting bracket 212 is arranged on one side of the base 3 close to the transverse central axis of the matrix;
the light-gathering cup converts light diffused 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 bracket 211 and the second nut 217 on the third adjusting bracket 212, a 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 longitudinally distributed linear light sources form a surface light source, and the surface light source irradiates the irradiated surface of the product;
when a linear light source is needed, the second nut 217 on the second adjusting bracket 211 is rotated forward, so that the third screw 216 is lowered into the second nut 217, the base 3 is driven to rotate in a direction close to the longitudinal center line of the matrix by taking the axis formed by the first adjusting bracket 210 and the third adjusting bracket 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 light source groups are longitudinally distributed, so that the plurality of point light sources longitudinally distributed form the linear light source; or, the second nut 217 on the third adjusting frame 212 may be rotated forward, so that the third screw 216 is lowered into the second nut 217, and the base 3 is driven to rotate in a direction close to the transverse center line of the matrix, with the axis formed by the first adjusting frame 210 and the second adjusting frame 211 as the center, so that a plurality of linear light sources formed by a plurality of light source groups converge into one linear light source, and the irradiated surface of the product is placed at the point where the linear light source formed by convergence is located to receive irradiation;
when a point light source is needed, the first step: the second nut 217 on the second adjusting bracket 211 is rotated forward to enable the third screw 216 to fall into the second nut 217, so as to drive the base 3 to rotate towards the direction close to the longitudinal center line of the matrix by taking the axis formed by the first adjusting bracket 210 and the third adjusting bracket 212 as the center, and a plurality of point light sources in the light source group are converged at the same point to form a point light source; the second step is that: 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 towards the direction close to the transverse center line of the matrix by taking the axis formed by the first adjusting frame 210 and the second adjusting frame 211 as the center, point light sources formed by a plurality of light source groups are converged into one point light source, and the irradiated surface of the product is placed at the point of the converged point light source to be irradiated; the two steps are not strictly sequential, and the first step can be implemented first, and then the second step can be implemented;
the light source can be adjusted to be a point, line or area light source, so that one machine meets the use requirements of different application scenes, and the applicability and the utilization rate of the equipment are improved; the plurality of UV-LED line 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 convergence position is high, and the requirement of a user on irradiation of a high-power light source can be met.
As shown in fig. 6 and 7, the second nut 217 is provided with a first bevel gear 218, the platform 1 is provided with a transverse first rotating shaft 219 corresponding to the first adjusting bracket 210, and a longitudinal second rotating shaft 220 corresponding to the second adjusting bracket 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; second bevel gears 222 in transmission connection with the first bevel gears 218 are arranged on the first rotating shaft 219 and the second rotating shaft 220, the second bevel gears 222 on the first rotating shaft 219 are arranged in an axisymmetric manner by taking a matrix longitudinal central axis as an axis, and the second bevel gears 222 on the second rotating shaft 220 are arranged in an axisymmetric manner by taking a matrix transverse central axis as an axis;
by rotating the first rotating shaft 219, the second bevel gear 222 on the first rotating shaft drives the first bevel gear 218 to rotate, so that the third screw 216 of the second adjusting bracket 211 of a horizontal row is lowered into the corresponding second nut 217, and the base 3 of the horizontal row is rotated towards the direction close to the longitudinal center line of the matrix; by rotating the second rotating shaft 220, the second bevel gear 222 thereon drives the first bevel gear 218 to rotate, so that the third screw 216 of the second adjusting bracket 211 of a vertical row is lowered into the corresponding second nut 217, and the base 3 of a horizontal row is rotated towards the direction close to the horizontal center line of the matrix; the bases 3 in 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 the susceptors 3 in the susceptor group is odd, the susceptor 3 in the center of the susceptor group does not need to rotate laterally, and therefore the susceptor 3 in the center of the susceptor group is not provided with the second adjusting frame 211; when the number of the padgroups is odd, one padgroup at the center of the padgroups does not need to be longitudinally rotated, so the padgroups 3 in one padgroup at the center of the padgroups are not provided with the third adjusting frame 212.
As shown in fig. 8, each of the first universal seat 213 and the second universal seat 215 includes a connecting rod 223 and a connecting seat 225, a ball 224 is disposed at an upper end of the connecting rod 223, a connecting head 226 is disposed at a lower portion of the connecting seat 225, a spherical cap-shaped slot 227 is disposed on the connecting head 226, the ball 224 is clamped in the slot 227, a nut 228 is threadedly connected to the connecting head 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 224, and a diameter of a lower end of the through hole is larger than a diameter of the connecting rod.
The invention also provides a third embodiment of a point, line and surface light source adjustable UV-LED curing device, as shown in FIG. 9 and FIG. 10, the third embodiment has the same parts as the first embodiment, except that the adjusting mechanism comprises a first rotation adjusting mechanism 230, a second rotation 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 matrix longitudinal central axis is transversely and rotatably connected with the base 3, one end of the rotating plate close to the matrix transverse central axis is longitudinally and rotatably connected with the platform (1), one end of the first rotation adjusting mechanism 230 is rotatably connected with the base 3, the other end of the first rotation adjusting mechanism is rotatably connected with the rotating plate 232, one end of the second rotation adjusting mechanism 231 is rotatably connected with the rotating plate 232, and the other end of the second rotation adjusting mechanism is rotatably connected with the platform 1;
when the rotation angles of a plurality of pedestals 3 and corresponding rotating plates 232 in the base set reach the maximum, the plurality of point light sources in the base set 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, light emitted by the light source set is converged at one point;
the first rotation adjusting mechanism can limit the base 3 and the corresponding rotating plate 232 when the rotation angles of the base 3 and the corresponding rotating plate 232 reach the maximum, so that the rotating 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 rotating plate 232 when the rotation angle reaches the maximum, so that the rotating plate 232 cannot rotate relative to the platform 1.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The UV-LED curing device with the adjustable point, line and surface light sources is characterized by comprising a platform (1), an adjusting mechanism and bases (3) distributed in a matrix manner, wherein the rear sides of the bases (3) are connected with the platform (1) through the adjusting mechanism, and the front sides of the bases (3) are provided with UV-LED lamp beads (31) and light-gathering cups (32) for gathering the light diffused by the UV-LED lamp beads (31) into parallel light; the light source control device comprises a base group consisting of horizontally arranged bases (3), light source groups consisting of UV-LED lamp beads (31) in the base group, and an adjusting mechanism, wherein the adjusting mechanism is used for controlling the base group to rotate towards the horizontal central axis direction of a matrix to enable light emitted by a plurality of light source groups to converge 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 to enable light emitted by a plurality of UV-LED lamp beads (31) in the base group to converge at the same point.
2. The point, line and area light source adjustable UV-LED curing device according to claim 1, wherein the adjusting mechanism comprises a plurality of first screws (201) distributed in parallel, a fixing rod (202) located at the same level with the first screws (201), and a second screw (203) perpendicular to the fixing rod (202); a regular thread section and a reverse thread section are symmetrically distributed on the first screw rod (201) and the second screw rod (203), at least one first nut (207) is arranged on each of the regular thread section and the reverse thread section, and the first nut (207) on the regular thread section and the first nut (207) on the reverse thread section are symmetrical; a first nut (207) on the first screw rod (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 rotatably connected with the fixing rod (202), and one end of the fixing rod (202) is fixedly connected with the corresponding first nut (207) on the second screw rod (203); a first motor (4) for driving the first screw rod (201) to rotate and a second motor (5) for driving the second screw rod (203) are arranged on the platform (1); the two ends of the first screw rod (201) and the second screw rod (203) are respectively connected with a first rotating seat (204) in a rotating mode, and the first rotating seats (204) are fixed on the platform (1).
3. The adjustable point, line and area light source UV-LED curing device of claim 2, wherein the second screw (203) rotates the base set towards the horizontal central axis of the matrix by forward rotation, so that the light emitted by the plurality of light source sets is converged at the same point; the first screw (201) enables the corresponding base (3) in the base group to rotate towards the direction of the longitudinal central axis of the matrix through forward rotation, and light emitted by the UV-LED lamp beads (31) in the base group is converged at the same point.
4. The adjustable UV-LED curing device of point, line and area light sources as claimed in claim 2, wherein when the number of the susceptors (3) in the susceptor group is odd, the susceptor (3) located at the center in the susceptor group is fixed at 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 the end part of one fixing rod (202) in the center of the plurality of fixing rods (202) is fixed in the middle of the second screw rod (203).
5. The adjustable point, line and surface light source UV-LED curing device of claim 2, wherein two second screws (203) are provided, and two ends of the fixing rod (202) are fixedly connected with the first nuts (207) on the two second screws (203), respectively.
6. The point, line, area light source dimmable UV-LED curing apparatus of claim 1, wherein said adjusting mechanism comprises a first adjusting bracket (210) located at a central portion of a rear side of said base (3), a second adjusting bracket (211) located on the same horizontal line as said first adjusting bracket (210), and a third adjusting bracket (212) located on the same vertical line as said first adjusting bracket (210); first alignment jig (210) is including fixing first universal seat (213) on base (3), be fixed with on first universal seat (213) with platform (1) fixed connection fixing base (214), second alignment jig (211) with third alignment jig (212) all are including fixing second universal seat (215) on base (3), one end with third screw rod (216) that second universal seat (215) are connected, and with platform (1) rotates second nut (217) of being connected, third screw rod (216) the other end with second nut (217) threaded connection.
7. The adjustable point, line and area light source UV-LED curing device according to claim 6, wherein the second adjusting bracket (211) is disposed on the side of the base (3) near the longitudinal central axis of the matrix, and the third adjusting bracket (212) is disposed on the side of the base (3) near the transverse central axis of the matrix; a first bevel gear (218) is arranged on the second nut (217), a transverse first rotating shaft (219) corresponding to the first adjusting frame (210) and a longitudinal second rotating shaft (220) corresponding to the second adjusting frame (211) are arranged on the platform (1); two ends of the first rotating shaft (219) and the second rotating shaft (220) are rotatably connected with second rotating seats (221), and the second rotating seats (221) are fixed on the platform (1); second bevel gears (222) in transmission connection with the first bevel gears (218) are arranged on the first rotating shaft (219) and the second rotating shaft (220), the second bevel gears (222) on the first rotating shaft (219) are arranged in an axisymmetric mode by taking a matrix longitudinal central axis as an axis, and the second bevel gears (222) on the second rotating shaft (220) are arranged in an axisymmetric mode by taking a matrix transverse central axis as an axis.
8. The adjustable point, line and area light source UV-LED curing device of claim 7, wherein when the number of susceptors (3) in the susceptor group is odd, the susceptor (3) located at the center in the susceptor group is not provided with the second adjusting bracket (211); when the number of the base groups is odd, the third adjusting frame (212) is not arranged on the plurality of bases (3) in one base group at the center of the plurality of base groups.
9. The adjustable point, line and surface light source UV-LED curing device according to claim 6, 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 portion of the connecting seat (225) is provided with a connecting head (226), the connecting head (226) is provided with a spherical cap-shaped slot (227), the ball head (224) is clamped in the slot (227), the connecting head (226) is in threaded connection with a nut (228), the lower portion of the nut (228) is formed with a through hole (229), 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).
10. The adjustable UV-LED curing device of point, line and area light sources as claimed in claim 1, wherein said adjusting mechanism comprises a first rotation adjusting mechanism (230), a second rotation adjusting mechanism (231) and a rotation plate (232) all disposed at the rear side of said base (3), one end of said rotation plate (232) near the central axis of matrix longitudinal direction is connected with said base (3) in transverse rotation, one end near the central axis of matrix transverse direction is connected with said platform (1) in longitudinal rotation, one end of said first rotation adjusting mechanism (230) is connected with said base (3) in rotation, the other end is connected with said rotation plate (232) in rotation, one end of said second rotation adjusting mechanism (231) is connected with said rotation plate (232) in rotation, and the other end is connected with said platform (1) in rotation.
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| CN202110504485.8A CN113231283B (en) | 2021-05-10 | 2021-05-10 | UV-LED solidification equipment with adjustable point, line, area source |
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| CN202110504485.8A CN113231283B (en) | 2021-05-10 | 2021-05-10 | UV-LED solidification equipment with adjustable point, line, area source |
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| CN113231283B (en) | 2023-06-27 |
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