CN108480164B

CN108480164B - UV curing equipment

Info

Publication number: CN108480164B
Application number: CN201810489510.8A
Authority: CN
Inventors: 林少渊
Original assignee: Suzhou Samon Technology Co Ltd
Current assignee: Suzhou Samon Technology Co Ltd
Priority date: 2018-05-21
Filing date: 2018-05-21
Publication date: 2023-07-07
Anticipated expiration: 2038-05-21
Also published as: CN108480164A

Abstract

The invention discloses UV curing equipment, which comprises a frame, a conveying device for conveying products to be cured and a curing mechanism which is connected with the frame and is used for curing the products conveyed by the conveying device; the curing mechanism comprises two first curing lamps arranged above the conveying device, the two first curing lamps can be close to or far away from each other, and opposite sides of the two first curing lamps can rotate up and down relative to the rack. The UV curing equipment can realize the curing of a plurality of surfaces and a plurality of angles of the product, and has high working efficiency and good curing effect.

Description

UV curing equipment

Technical Field

The invention relates to the technical field of UV (ultraviolet) curing, in particular to UV curing equipment.

Background

The UV curing is ultraviolet curing, namely the process of initiating the polymerization of high polymer materials (resin) containing active functional groups into insoluble and infusible solid coating films by utilizing the excitation of a photoinitiator in a liquid UV material under the ultraviolet radiation of medium and short waves (300-800 nanometers) of UV ultraviolet light, is a new technology which is initiated in the 60 th century and is environment-friendly and has low VOC emission, and is widely applied to the manufacture of products such as automobiles, electronics, communication, aerospace, metals, glass, plastics and the like.

The existing UV curing equipment for curing multiple surfaces of a product is simple in structure and generally comprises multiple UV lamp curing modules and a rotating mechanism arranged between every two adjacent UV lamp curing modules. During operation, after the first UV lamp curing module cures the first surface to be cured of the product, the product is rotated through the rotating mechanism, and then the second UV lamp curing module cures the second surface to be cured of the product, and the process is repeated until the curing of each surface to be cured of the product is completed.

However, the UV curing apparatus is complicated in structure, low in curing efficiency, and suitable only for cases where the surface to be cured is planar, and has poor curing effect when curing a product having a curved surface.

Disclosure of Invention

The invention aims to provide UV curing equipment which can realize curing of multiple surfaces and multiple angles of a product, and has the advantages of high working efficiency and good curing effect.

To achieve the purpose, the invention adopts the following technical scheme:

the UV curing equipment comprises a frame, a conveying device for conveying products to be cured and a curing mechanism which is connected with the frame and is used for curing the products conveyed by the conveying device; the curing mechanism comprises two first curing lamps arranged above the conveying device, the two first curing lamps can be close to or far away from each other, and opposite sides of the two first curing lamps can rotate up and down relative to the frame in a sharing mode.

Further, the curing mechanism further includes:

the two supports are arranged on the frame and are respectively used for bearing the two first curing lamps, and the two supports are both in sliding connection with the frame; a kind of electronic device with high-pressure air-conditioning system

And the third driving device is connected with the frame and can drive the two supports to be close to or far away from each other.

Still further, the curing mechanism further comprises a rotation driving mechanism for driving the two first curing lamps to rotate together; the rotation driving mechanism includes:

the two driving seats are respectively connected with the two supports in a rotating way, and the two first curing lamps are respectively connected with the two driving seats;

one end of each driving rod is respectively connected with the two driving seats in a rotating way;

the sliding blocks are connected with the rack in a vertical sliding manner, and the other ends of the two driving rods are connected with the sliding blocks in a rotating manner; a kind of electronic device with high-pressure air-conditioning system

And the first cylinder drives the sliding block to move up and down.

Further, two arc-shaped guide grooves are formed in the two supports, the two driving seats are connected with guide rods, and the guide rods penetrate through the corresponding guide grooves and move along the length directions of the guide grooves.

Still further, the curing mechanism further comprises a plurality of second curing lamps arranged above the conveying device at intervals along the conveying direction of the product, and each second curing lamp can move along the conveying direction perpendicular to the product.

Further, the curing mechanism further comprises a lifting driving device for driving the two first curing lamps and the second curing lamps to lift together; the lift driving device includes:

the support plate, two said first solidifying light and every said second solidifying light are set up in the top surface of the said support plate;

the two groups of jacking assemblies comprise two first screw rods connected with the supporting plate and a second screw rod connected between the two first screw rods, and the second screw rods can drive the two first screw rods to jack up or drop down the supporting plate together; a kind of electronic device with high-pressure air-conditioning system

And the screw rod driving mechanism is used for driving the two second screw rods to rotate together.

Further, the UV curing equipment further comprises a feeding mechanism and a discharging mechanism which are arranged at two ends of the conveying device; the feed mechanism and the discharge mechanism all include:

the transfer platform is arranged on the rack and used for placing products; a kind of electronic device with high-pressure air-conditioning system

The two adsorption material taking mechanisms are respectively arranged at two sides of the transfer platform, and one adsorption material taking mechanism can absorb products and transfer the products to the transfer platform; the other adsorption material taking mechanism can absorb the product on the transfer platform and remove the product.

Further, the two adsorption material taking mechanisms comprise sucking disc assemblies for sucking products, a second air cylinder for driving the sucking disc assemblies to move up and down and a first driving device for driving the sucking disc assemblies to move along the Y-axis direction; wherein, the sucking disc subassembly includes:

a fixing plate; a kind of electronic device with high-pressure air-conditioning system

The sucking discs are arranged on the fixing plate, each sucking disc comprises a sucking disc head and a connecting rod connected with the sucking disc head, the connecting rod is in threaded connection with the fixing plate, and the distance between the sucking disc head and the fixing plate is adjustable.

Further, a fixing device for fixing the product is arranged on the transit platform; the fixing device comprises a fixing block connected with the transfer platform, an adsorption cavity with an air vent is arranged in the fixing block, and the air vent of the adsorption cavity is communicated with the air pump through an air pipe; the top surface of fixed block offer with a plurality of absorption holes of absorption chamber intercommunication.

Further, the UV curing equipment further comprises a curing chamber and a cold air blowing device which are arranged on the rack, and the conveying device penetrates through the curing chamber; the solidifying chamber is provided with a cooling air port communicated with the cold air blowing device through an air pipe.

The beneficial effects of the invention are as follows:

1. the curing of multiple angles and multiple surfaces of the product can be realized, the efficiency is high, and the curing effect is good;

2. the method is applicable to curing curved surface products and has good curing effect.

Drawings

FIG. 1 is a schematic view of a UV curing apparatus according to the present invention;

fig. 2 is a schematic structural view of the feeding mechanism in fig. 1;

FIG. 3 is an enlarged schematic view at I in FIG. 2;

FIG. 4 is a schematic view of the curing mechanism of FIG. 1;

FIG. 5 is an enlarged schematic view at II in FIG. 4;

fig. 6 is a schematic view of the conveyor of fig. 1.

In the figure: a frame 100; a staging platform 120; a cooling tuyere 140; a feeding mechanism 200; a stopper 211; an adsorption reclaimer 220; a suction cup assembly 221; a through hole 2210; suction cup 2211; a fixed plate 2212; a first link 2213; a second link 2214; a second locking screw 2215; a second cylinder 222; a first driving device 223; a metal sheet 224; a second driving device 230; a fixing block 241; a relief hole 242; a photoelectric switch 250; a curing mechanism 300; a lifting driving device 320; a support plate 321; a first screw 322; a second screw 323; a second drive wheel 324; a third drive wheel 325; a second belt 326; a third belt 327; a tensioning wheel 328; a second motor 329; a second curing light 331; a third cylinder 332; a first curing lamp 341; a driving base 342; a guide rod 3421; a roller 3422; a rotation driving mechanism 343; a slider 3431; a first cylinder 3432; a third drive 344; a first belt 3441; a first motor 3442; a support 345; a guide groove 3451; connecting block 3452; a conveying device 400; a product placement platform 410; a light shielding plate 420; a blanking mechanism 500; and a cool air blowing apparatus 600.

Detailed Description

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 6, a UV curing apparatus includes a frame 100, a conveyor 400 for conveying a product to be cured, a curing mechanism 300 connected to the frame 100 and curing the product conveyed by the conveyor 400, and a feeding mechanism 200 and a discharging mechanism 500 provided at both ends of the conveyor 400.

The curing mechanism 300 includes two first curing lamps 341 disposed above the conveying device 400, two supports 345 respectively for carrying the two first curing lamps 341 and slidably connected to the frame 100, a third driving device 344 connected to the frame 100 and capable of driving the two supports 345 to approach or separate from each other, and a rotation driving mechanism 343. Wherein, the third driving device 344 drives the two supports 345 to move together towards each other to achieve the mutual approaching or separating between the two first curing lamps 341; the rotation driving mechanism 343 is capable of driving the opposite sides of the two first curing lamps 341 to rotate up and down together with respect to the frame 100. The UV curing equipment is used for realizing the curing of a plurality of angles and a plurality of surfaces of a product by adjusting the distance between the two first curing lamps 341 and the curing angles of the two first curing lamps 341, so that the structure is simplified, the curing efficiency is improved, and the curing effect is improved. Meanwhile, the method is also suitable for curing curved surface products, and the curing effect is good.

In order to achieve the adjustment of the distance between the two first curing lamps 341, the third driving device 344 includes a first driving wheel and a first driven wheel rotatably connected to the frame 100, a first belt 3441 connecting the first driving wheel and the first driven wheel, and a first motor 3442 driving the first driving wheel to rotate; the two supports 345 are respectively connected with a connecting block 3452, and the two connecting blocks 3452 are respectively connected with the upper and lower sections of the first belt 3441.

In order to adjust the curing angles of the two first curing lamps 341, the rotary driving mechanism 343 includes two driving bases 342 rotatably connected to the two supports 345, two driving rods, a slider 3431 slidably connected to the frame 100 up and down, and a first cylinder 3432 for driving the slider 3431 to move up and down. Wherein, two first curing lamps 341 are respectively connected with two driving seats 342. One end of each of the two driving rods is rotatably connected with the two driving seats 342, and the other end of each of the two driving rods is rotatably connected with the sliding block 3431.

To further improve the rotation accuracy of the two first curing lamps 341, an arc-shaped guide groove 3451 may be formed on each of the two supports 345, and each of the two driving bases 342 is connected with a guide rod 3421, where the guide rods 3421 pass through the corresponding guide grooves 3451 and move along the length direction of the guide grooves 3451. In addition, in order to facilitate the rotation of the first driving seat 342 with respect to the support 345, a roller 3422 may be coupled to the driving seat 342, and the roller 3422 rolls along the surface of the support 345 when the driving seat 342 rotates.

A plurality of second curing lamps 331 are further disposed above the conveying device 400, and the second curing lamps 331 are disposed at intervals along the conveying direction of the product. These second curing lamps 331 may be disposed before the two first curing lamps 341 or may be disposed after the two first curing lamps 341. With this structure, the top surface and/or the bottom surface of the product can be UV-cured by the second curing lamps 331, and the side surfaces of the product can be cured by the first curing lamps 341, so that compared with the existing UV-curing apparatus, the product can be cured without rotating, and the curing efficiency can be greatly improved. To further improve the curing effect of the product, a plurality of third cylinders 332 for driving each second curing lamps 331 to move in a direction perpendicular to the conveying direction of the product may be added to the frame 100, and one third cylinder 332 is connected to one second curing lamp 331.

In order to adjust the curing height of the product, a lifting driving device 320 for driving the two first curing lamps 341 and the second curing lamps 331 to lift together may be provided on the frame 100. The lifting drive 320 includes a support plate 321, two sets of jacking assemblies, and a screw drive mechanism. Wherein, two first curing lamps 341 and each second curing lamp 331 are disposed on the top surface of the supporting plate 321. Each group of jacking components comprises two first screw rods 322 connected with the supporting plate 321 and a second screw rod 323 connected between the two first screw rods 322, and the second screw rods 323 can drive the two first screw rods 322 to jack up or drop the supporting plate 321 together. The screw driving mechanism is used for driving the two second screws 323 to rotate together.

Further, the screw driving mechanism includes two second driven wheels coaxially connected to one ends of the two second screws 323, a second driving wheel 324 and a third driving wheel 325, which are respectively connected to the two second driven wheels by belt transmission, and a second motor 329 for driving the second driving wheel 324 to rotate. The two second driven wheels are respectively connected with the second driving wheel 324 and the third driving wheel 325 in a transmission way through a second belt 326, and the second driving wheel 324 is connected with the third driving wheel 325 in a transmission way through a third belt 327. To increase the tightness of the third belt 327, a plurality of tensioning wheels 328 may be added, each tensioning wheel 328 being rotatably connected to the frame 100.

In the UV curing equipment, automatic feeding and discharging of products are realized through the feeding mechanism 200 and the discharging mechanism 500. The feeding mechanism 200 and the discharging mechanism 500 each comprise a transfer platform 120 arranged on the frame 100 and used for placing products, and two adsorption material taking mechanisms 220 respectively arranged on two sides of the transfer platform 120, wherein one adsorption material taking mechanism 220 can absorb the products and transfer the products to the transfer platform 120; another suction extraction mechanism 220 is capable of sucking up product from the staging platform 120 and removing it.

Further, the suction and material taking mechanisms 220 each include a suction cup assembly 221 for sucking the product, a second air cylinder 222 for driving the suction cup assembly 221 to move up and down, and a first driving device 223 for driving the suction cup assembly 221 to move along the Y-axis direction. Wherein, sucking disc subassembly 221 includes fixed plate 2212 and sets up a plurality of sucking discs 2211 on fixed plate 2212, and each sucking disc 2211 all includes the sucking disc head and the connecting rod of being connected with the sucking disc head, connecting rod and fixed plate 2212 spiro union, and the distance between sucking disc head and the fixed plate 2212 is adjustable. By adjusting the distance between the suction head and the fixed plate 2212, suction of curved products can be achieved. The first driving means 223 is preferably a linear sliding table disposed along the Y-axis direction to achieve smooth, noiseless sliding of the suction cup assembly 221.

To realize the suction of products with different specifications and sizes, a long through hole 2210 is formed in the fixing plate 2212, and a suction cup 2211 is disposed in the through hole 2210 and can move along the length direction of the through hole 2210. In addition, a first connecting rod 2213 and a second connecting rod 2214 with one end being mutually locked and connected by a second locking screw 2215 can be added, and the included angle between the first connecting rod 2213 and the second connecting rod 2214 can be adjusted; the other end of the first connecting rod 2213 is in locking connection with the fixed plate 2212 through a first locking screw; one of the suction cups 2211 is in threaded connection with the second connecting rod 2214. Wherein, a plurality of connecting holes are arranged on the fixing plate 2212 at intervals side by side, and one end of the first locking screw penetrates through the first connecting rod 2213 and is in threaded connection with one of the connecting holes. The adjustment of the position of the suction cup 2211 is realized by adjusting the locking position of the first locking screw and the included angle between the first connecting rod 2213 and the second connecting rod 2214.

In order to enable the two suction and extraction mechanisms 220 to move along the X-axis direction, a second driving device 230 capable of driving the second cylinder 222, the suction cup assembly 221 and the first driving device 223 to move along the X-axis direction is arranged on the frame 100. The second driving device 230 may be a linear sliding table arranged along the X-axis direction, and the two adsorption material taking mechanisms 220 are both slidably connected with the linear sliding table; or two independent linear sliding tables arranged along the X-axis direction, and the two adsorption material taking mechanisms 220 are respectively connected with the two linear sliding tables in a sliding manner.

In order to realize accurate feeding and discharging of products, a limiting block 211 connected with the frame 100 can be arranged between the two adsorption and material taking mechanisms 220, and limiting of the two adsorption and material taking mechanisms 220 can be realized through the limiting block 211. The two ends of the limiting block 211 are connected with photoelectric switches 250, the two adsorption material taking mechanisms 220 are connected with metal sheets 224 used for triggering the corresponding photoelectric switches 250, and when the metal sheets 224 trigger the photoelectric switches 250, the corresponding adsorption material taking mechanisms 220 stop moving along the X-axis direction.

Further, in order to prevent the product from moving after being transferred to the transfer platform 120 and further affecting the product loading position accuracy, a fixing device for fixing the product may be provided on the transfer platform 120. The fixing device comprises a fixing block 241 connected with the transfer platform 120, an adsorption cavity with an air vent is arranged in the fixing block 241, and the air vent of the adsorption cavity is communicated with the air pump through an air pipe; the top surface of the fixing block 241 is provided with a plurality of adsorption holes communicated with the adsorption cavity. After the product is transferred to the transfer platform 120 through the first adsorption material taking mechanism 220, the air pump vacuumizes the adsorption cavity through the air pipe, and adsorbs and fixes the product through each adsorption small hole; when the second adsorption and material taking mechanism 220 sucks the product on the transfer platform 120, the adsorption and fixation of the product can be released. In order to facilitate detecting whether the product is placed on the transfer platform 120 or not or avoiding the product, an avoidance hole 242 which is vertically through may be formed on the top surface of the transfer platform 120.

To further improve the curing effect of the product, a relatively closed curing chamber and a cold air blower 600 are provided on the frame 100, wherein the conveying device 400 penetrates the curing chamber; the cooling air opening 140 is arranged in the solidifying chamber, and the cooling air opening 140 is communicated with the cold air blowing device through an air pipe so as to cool products in the solidifying chamber.

The UV curing apparatus, the conveyor 400 may employ a sprocket type conveyor structure, and a product placement platform 410 is provided on the top surface of the conveyor so as to fix the product. In addition, a light shielding plate 420 may be disposed under the conveyor belt to improve the light leakage problem.

The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims

1. A UV curing apparatus comprising a frame (100), a conveying device (400) for conveying a product to be cured, and a curing mechanism (300) connected to the frame (100) and curing the product conveyed by the conveying device (400); the curing mechanism (300) is characterized by comprising two first curing lamps (341) arranged above the conveying device (400), wherein the two first curing lamps (341) can be mutually close to or far away from each other, and the opposite sides of the two first curing lamps (341) can jointly rotate up and down relative to the frame (100);

the curing mechanism (300) further includes:

two supports (345) arranged on the frame (100) and respectively used for bearing two first curing lamps (341), wherein the two supports (345) are both in sliding connection with the frame (100); a kind of electronic device with high-pressure air-conditioning system

Third driving means (344) connected to said frame (100) and capable of driving two of said supports (345) towards or away from each other;

the curing mechanism (300) further comprises a rotation driving mechanism (343) for driving the two first curing lamps (341) to rotate together; the rotation driving mechanism (343) includes:

two driving seats (342) respectively rotatably connected with the two supporting seats (345), and the two first curing lamps (341) are respectively connected with the two driving seats (342);

one end of each driving rod is respectively and rotatably connected with the two driving seats (342);

a slide block (3431) which is connected with the frame (100) in an up-down sliding way, and the other ends of the two driving rods are both connected with the slide block (3431) in a rotating way; a kind of electronic device with high-pressure air-conditioning system

And a first cylinder (3432) for driving the slider (3431) to move up and down.

2. The UV curing apparatus according to claim 1, wherein both of said holders (345) are provided with arcuate guide grooves (3451), and both of said driving bases (342) are connected with guide rods (3421), said guide rods (3421) passing through the corresponding guide grooves (3451) and moving in the longitudinal direction of said guide grooves (3451).

3. The UV curing apparatus according to claim 1, wherein the curing mechanism (300) further comprises a plurality of second curing lamps (331) disposed above the conveying device (400) at intervals along the conveying direction of the product, each of the second curing lamps (331) being movable in a direction perpendicular to the conveying direction of the product.

4. A UV curing apparatus according to claim 3, wherein said curing mechanism (300) further comprises a lifting drive means (320) for driving both said first curing lamps (341) and each said second curing lamps (331) to be lifted together; the lift drive device (320) includes:

a support plate (321), wherein the two first curing lamps (341) and the second curing lamps (331) are arranged on the top surface of the support plate (321);

the two groups of jacking assemblies comprise two first screw rods (322) connected with the supporting plate (321) and a second screw rod (323) connected between the two first screw rods (322), and the second screw rods (323) can drive the two first screw rods (322) to jack up or drop down the supporting plate (321) together; a kind of electronic device with high-pressure air-conditioning system

And a screw driving mechanism for driving the two second screws (323) to rotate together.

5. The UV curing apparatus according to claim 1, further comprising a feeding mechanism (200) and a discharging mechanism (500) disposed at both ends of the conveying device (400); the feeding mechanism (200) and the discharging mechanism (500) comprise:

a transfer platform (120) arranged on the frame (100) and used for placing products; a kind of electronic device with high-pressure air-conditioning system

Two adsorption material taking mechanisms (220) respectively arranged at two sides of the transfer platform (120), wherein one adsorption material taking mechanism (220) can absorb products and transfer the products to the transfer platform (120); the other adsorption material taking mechanism (220) can absorb the product on the transfer platform (120) and remove the product.

6. UV curing apparatus according to claim 5, wherein both suction and extraction mechanisms (220) comprise a suction cup assembly (221) for sucking product, a second cylinder (222) for driving the suction cup assembly (221) to move up and down, and a first driving device (223) for driving the suction cup assembly (221) to move in the Y-axis direction; wherein the suction cup assembly (221) comprises:

a fixed plate (2212); a kind of electronic device with high-pressure air-conditioning system

The sucking discs (2211) are arranged on the fixing plate (2212), each sucking disc (2211) comprises a sucking disc head and a connecting rod connected with the sucking disc head, the connecting rod is in threaded connection with the fixing plate (2212), and the distance between the sucking disc head and the fixing plate (2212) is adjustable.

7. UV curing apparatus according to claim 5, wherein said transit platform (120) is provided with fixing means for fixing the product; the fixing device comprises a fixing block (241) connected with the transit platform (120), an adsorption cavity with an air vent is arranged in the fixing block (241), and the air vent of the adsorption cavity is communicated with the air pump through an air pipe; the top surface of fixed block (241) offer with a plurality of absorption holes of absorption chamber intercommunication.

8. The UV curing apparatus according to claim 1, further comprising a curing chamber and a cool air blowing device (600) arranged on the frame (100), the conveying device (400) penetrating the curing chamber; the solidifying chamber is provided with a cooling air port (140) communicated with the cold air blowing device through an air pipe.