CN111672723A

CN111672723A - UV curing machine

Info

Publication number: CN111672723A
Application number: CN202010626698.3A
Authority: CN
Inventors: 沈凯
Original assignee: Nantong Imptech Machinery Co ltd
Current assignee: Nantong Imptech Machinery Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-09-18

Abstract

The invention discloses a UV curing machine which comprises a rack in a hollow box structure, wherein a feeding side and a discharging side are respectively arranged at two sides of the rack, and a UV lamp is suspended at the inner side of the rack; the roller group is positioned below the UV lamp and comprises a first roller, a second roller and a turning roller, at least part of the first roller is positioned in the irradiation range of the UV lamp, the second roller is arranged below the first roller, and the turning roller is positioned near the discharge side of the rack. According to the UV curing machine, the paper tapes are guided by the rollers, so that the paper tapes can be tightly attached to the rollers, and when the UV lamp irradiates and dries, the paper tapes are wrapped on the rollers, so that the phenomenon of warping or curling of the edges of the paper tapes can be effectively reduced.

Description

UV curing machine

Technical Field

The invention relates to curing equipment, in particular to a UV curing machine.

Background

UV light (Ultraviolet Rays), which is Ultraviolet light, has been widely used in various fields, and one of UV light curing apparatuses is currently used. When a plurality of enterprises produce and process products, various UV adhesives are required to be used for glue dripping fixation, and then the UV adhesives are cured in time. The UV adhesive is also called shadowless adhesive, photosensitive adhesive and ultraviolet curing adhesive, which refers to an adhesive that can be cured only by ultraviolet irradiation, and can be used as an adhesive and also can be used as a sizing material of paint, coating, ink and the like. The UV glue curing principle is that a photoinitiator (or photosensitizer) in a UV curing material generates active free radicals or cations after absorbing ultraviolet light under the irradiation of ultraviolet rays, and the polymerization, crosslinking and grafting chemical reactions of monomers are initiated, so that the adhesive is converted from a liquid state to a solid state within a few seconds. It has the characteristics of environmental protection, safety, high speed and good compatibility, thereby being widely applied.

Chinese patent CN104353597B discloses a UV curing machine, which comprises a shell with a hollow box structure, wherein the bottoms of two ends of the shell are respectively provided with a feed inlet and a discharge outlet, the top of the shell is provided with an exhaust fan, a UV lamp fixed on a lamp holder is suspended in the middle of the interior of the shell, and the lamp holder is fixed on a support above the lamp holder through an adjusting screw; one end of the conveying belt is connected with the feeding hole, the other end of the conveying belt is connected with the discharging hole, and rollers are respectively arranged on the conveying tables at the feeding hole and the discharging hole; the control panel is fixed on the steel plate on one side of the control platform, a heat dissipation hole is formed in the position close to the bottom of the control platform, and a speed reducing motor is arranged in the position close to the feed inlet; the speed reducing motor is connected with the roller at the feed inlet through a transmission belt.

However, in the prior art including the above patent, the paper tape to be processed is placed on the horizontally arranged conveying table, passes through the UV lamp irradiation area under the traction of the conveying table, and the condition that the two sides of the edge of the paper tape are coated with adhesive unevenly is easily caused, and after the paper tape is simply tiled on the conveying table and irradiated and dried by the UV lamp, the warping condition is caused, which damages the smoothness of the whole paper and affects the processing quality of the subsequent process.

Disclosure of Invention

Aiming at the problems, the invention provides the UV curing machine which can effectively reduce the warping and curling phenomena of the edges of the paper tape and enable the paper surface of the paper tape obtained by processing to be smoother.

The invention adopts the following technical scheme:

a UV curing machine comprising:

the device comprises a rack, a bracket and a lamp holder, wherein the rack is of a hollow box structure, the two sides of the rack are respectively a feeding side and a discharging side, and a UV lamp is suspended and arranged on the inner side of the rack;

the roller group is positioned below the UV lamp and comprises a first roller, a second roller and a turning roller, at least part of the first roller is positioned in the irradiation range of the UV lamp, the second roller is arranged below the first roller, and the turning roller is positioned near the discharge side of the rack.

In some embodiments, the first roller, the second roller, and the turning roller are all driven by a roller motor, and the roller motor is arranged outside the frame.

In some embodiments, the first roller and the second roller are cold water rollers, and both ends of the cold water rollers are provided with water connectors.

In some embodiments, a lampshade is arranged on the outer side of the UV lamp.

In some embodiments, the rack is further provided with a waste discharge fan, and the waste discharge fan is communicated with the inside of the lampshade through a hose and used for discharging waste gas generated during light curing.

In some embodiments, the rack is further provided with a lifting mechanism, and the working end of the lifting mechanism is fixedly connected with the UV lamp and can drive the UV lamp and the lampshade to move up and down.

In some embodiments, the two ends of the first roller, the second roller and the steering roller are respectively sleeved with a paper leading sprocket, the paper leading sprockets are driven by a paper leading motor, a paper leading chain provided with a paper leading bar is wound on the paper leading sprockets, and the paper leading chain can carry the paper leading bar to sequentially pass through the first roller, the second roller and the steering roller.

In some embodiments, the paper-feeding motor is disposed outside the frame.

In some embodiments, the machine frame is provided with a film spreading roller at the outer side, and the position of the film spreading roller is higher than that of the first roller.

The invention has the beneficial effects that:

1. the UV curing machine guides the paper tape through the rollers, and the paper tape is wrapped on the rollers when the UV lamp irradiates and dries, so that the phenomenon of warping or curling of the edges of the paper tape can be effectively reduced;

2. the first roller and the second roller are both cold water rollers, so that the paper tape part passing through the surfaces of the first roller and the second roller can be well cooled, and the quality of a paper tape product is improved;

3. the waste discharge fan is arranged to collect waste gas generated during light curing and uniformly discharge and treat the waste gas, so that the harm of the waste gas to operators can be reduced, and the environmental protection performance of the whole device is improved;

4. the paper leading chain wheel, the paper leading chain and the paper leading rod are arranged, so that the preposed paper leading work is more convenient and faster;

5. the film spreading roller is arranged, so that the film adhered to the processed paper tape is prevented from wrinkling, and the flatness of the film is higher.

Drawings

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is a side sectional view taken along line A-A of FIG. 1;

FIG. 3 is a left side view of an embodiment of the present invention;

FIG. 4 is a schematic diagram of a right-view structure of an embodiment of the present invention;

FIG. 5 is a schematic perspective view of an embodiment of the present invention;

FIG. 6 is a schematic view of a pick up bar in one embodiment of the invention.

In the figure: 1-a first roller, 2-a second roller, 3-a steering roller, 4-a film spreading roller, 5-a UV lamp, 51-a lampshade, 6-a waste discharge fan, 61-a hose, 7-a roller motor, 8-a paper guide motor, 9-a lifting mechanism, 10-a rack, 11-a paper tape, 12-a film, 13-a water joint, 14-a paper guide chain wheel and 15-a paper guide rod.

Detailed Description

In the following description of the present invention, with reference to the drawings, it is to be understood that the terms "central", "lateral", "longitudinal", "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations and positional relationships based on those shown in the drawings, and are used for convenience of description and simplicity of description only, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present invention.

As shown in fig. 1 to 5, a UV curing machine includes:

the device comprises a rack 10 which is of a hollow box structure, wherein a feeding side and a discharging side are respectively arranged on two sides of the rack 10, and a UV lamp 5 is suspended on the inner side of the rack 10; the roller group is positioned below the UV lamp 5 and comprises a first roller 1, a second roller 2 and a steering roller 3, at least part of the first roller 1 is positioned in the irradiation range of the UV lamp 5, the second roller 2 is arranged below the first roller 1, and the steering roller 3 is positioned near the discharge side of the rack 10. The paper tape 11 is wrapped on the first roller 1, the second roller 2 and the turning roller 3 and is driven to move from a feeding side to a discharging side, the rotating angular speeds of the first roller 1, the second roller 2 and the turning roller 3 are set to be the same proper value, so that the paper tape 11 is under certain tension, the paper tape 11 can be attached to each roller tightly, and when the UV lamp 5 irradiates the paper tape, the warping or curling of the edge of the paper tape 11 can be effectively reduced.

The first roller 1, the second roller 2 and the steering roller 3 are all driven by a roller motor 7, and the roller motor 7 is arranged outside the rack 10.

The first roller 1 and the second roller 2 are cold water rollers, and both ends of the first roller and the second roller are provided with water connectors 13. Through water connector 13, can pour into first roller 1 and second roller 2, discharge cooling water, can cool off the surface of first roller 1, second roller 2, and the paper tape 11 is carried to the delivery side simultaneously, and its part that contacts with first roller 1, second roller 2 also can cool off. The general UV curing machine is often additionally connected with a cooling water tank or other devices, and the first roller 1 and the second roller 2 are directly arranged as cold water rollers, so that the cooling effect is ensured, the structure of the whole device is simplified, and the practicability is improved.

The outer 5 side of the UV lamp is provided with a lamp shade 51. Still be equipped with waste discharge fan 6 on the frame 10, waste discharge fan 6 passes through hose 61 and the inside intercommunication of lamp shade 51, can collect the waste gas that the light cured produced to unified discharge treatment can reduce waste gas to operating personnel's harm, has promoted the environmental protection coefficient of whole device.

The frame 10 is further provided with a lifting mechanism 9, and the working end of the lifting mechanism 9 is fixedly connected with the UV lamp 5 and can drive the UV lamp 5 and the lampshade 51 to move up and down. Through lift UV lamp 5, can change its irradiation intensity, operating personnel can adjust the height of UV lamp 5 according to actual need, makes its irradiation intensity satisfy the different needs of different products of treating processing.

The two ends of the first roller 1, the second roller 2 and the steering roller 3 are respectively sleeved with a paper leading chain wheel 14, the paper leading chain wheels 14 do not rotate along with the corresponding rollers, but are driven by a paper leading motor 8, a paper leading chain provided with a paper leading bar 15 is wound on the paper leading chain wheels 14, and the paper leading chain can carry the paper leading bar 15 to sequentially pass through the first roller 1, the second roller 2 and the steering roller 3. The paper guide motor 8 is arranged outside the frame 10. Before the UV curing machine starts to work, paper guiding needs to be carried out, when paper guiding is carried out, a paper guiding rod 15 is installed on a chain of a paper guiding chain wheel 14, and a paper tape 11 is wound on the paper guiding rod 15. The paper guide motor 8 drives the paper guide chain wheel 14 to guide the paper tape 11 to the first roller 1, the second roller 2 and the steering roller 3, paper penetrating is completed, an operator breaks the paper tape 11 on the paper guide rod 15, the paper tape 11 is guided to other equipment behind, and then the paper guide rod 15 is taken down.

The film spreading roller 4 is arranged outside the frame 10, and the position of the film spreading roller 4 is higher than that of the first roller 1. The paper tape 11 after photo-curing is often required to be attached to a film 12, and the film 12 bypasses the film unwinding roller 4 after being output from an output device, so that the film 12 is prevented from being wrinkled before being attached to the paper tape 11, the product quality is improved, and subsequent processing procedures are facilitated.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. A UV curing machine, comprising:

the device comprises a rack (10) which is of a hollow box structure, wherein a feeding side and a discharging side are respectively arranged on two sides of the rack (10), and a UV lamp (5) is suspended on the inner side of the rack (10);

the roller set is positioned below the UV lamp (5), the roller set comprises a first roller (1), a second roller (2) and a steering roller (3), at least part of the first roller (1) is positioned in the irradiation range of the UV lamp (5), the second roller (2) is arranged below the first roller (1), and the steering roller (3) is positioned near the discharge side of the rack (10).

2. A UV-curing machine according to claim 1, characterized in that the first roller (1), the second roller (2) and the turning roll (3) are driven by a roller motor (7), the roller motor (7) being arranged outside the machine frame (10).

3. The UV curing machine according to claim 1, wherein the first roller (1) and the second roller (2) are cold water rollers, and both ends of the rollers are provided with water connections (13).

4. UV-curing machine according to claim 1, characterized in that a lamp shade (51) is provided on the outside of the UV-lamp (5).

5. The UV curing machine according to claim 4, wherein the frame (10) is further provided with a waste air blower (6), and the waste air blower (6) is communicated with the inside of the lampshade (51) through a hose (61) and is used for discharging waste air generated during light curing.

6. The UV curing machine according to claim 1, wherein a lifting mechanism (9) is further disposed on the frame (10), and a working end of the lifting mechanism (9) is fixedly connected to the UV lamp (5) and can drive the UV lamp (5) and the lampshade (51) to move up and down.

7. The UV curing machine according to claim 6, wherein paper guide chain wheels (14) are sleeved at two ends of the first roller (1), the second roller (2) and the steering roller (3), the paper guide chain wheels (14) are driven by a paper guide motor (8), a paper guide chain provided with a paper guide rod (15) is wound on the paper guide chain wheels (14), and the paper guide chain can carry the paper guide rod (15) to sequentially pass through the first roller (1), the second roller (2) and the steering roller (3).

8. A UV-curing machine according to claim 7, characterized in that the draw motor (8) is arranged outside the machine frame (10).

9. A UV-curing machine according to any one of claims 1 to 8, characterized in that a film unwinding roller (4) is provided outside the machine frame (10), said film unwinding roller (4) being positioned higher than said first roller (1).