UV curing device for plastic surface printing

Abstract

The utility model discloses a UV (ultraviolet) curing device for plastic surface printing, which belongs to the technical field of UV curing and comprises a support frame, a conveying structure is arranged in the middle of the upper end of the support frame, a plurality of fixing components are arranged on the surface of the conveying structure at equal intervals, and a protective box is arranged above the fixing components. A plastic bottle opening is inserted into the surface of the fixing clamping base, the rubber protruding block clamps the inner wall of the bottle opening under the elastic action of the telescopic spring, meanwhile, the fixing clamp clamps the outer wall of the bottle opening under the elastic action of the reset spring, and the fixing firmness of the plastic bottle is improved through double clamping and fixing. The shading assembly is arranged, the adjusting bolt is rotated to enable the shading curtain structure to move in the fixing frame, the shading position is adjusted, the first shading curtain, the second shading curtain and the third shading curtain are arranged, the first shading curtain, the second shading curtain and the third shading curtain are tightly attached, the shading sealing performance is improved, and light leakage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of UV curing technology, specifically relates to a UV curing device for plastic surface printing. BACKGROUND

[0002] UV curing processing is to cure the ink printed on the surface of the plastic bottle, for increasing the durability, scratch resistance and glossiness of the ink, and providing better printing effect.

[0003] Chinese patent application No. 202420069780.4 discloses a UV curing device for plastic bottle surface printing, relating to the field of UV curing, comprising a conveying structure, a protective box and UV curing lamps, the top of the conveying structure is provided with the protective box, the inner wall of the protective box is provided with a plurality of groups of UV curing lamps, the side of the protective box is provided with a light curtain, the top of the conveying structure is provided with a plurality of groups of fixing covers inside the protective box at equal intervals, the inside of the fixing cover is provided with a fixing clamp, the bottom of the inside of the fixing cover is provided with a limiting rod, and the bottom of the fixing clamp is provided with a plurality of groups of spring pieces. The utility model can facilitate workers to select appropriate fixing mode according to different printing areas of the plastic bottle through the fixing clamp and the limiting rod and other structures, prevent the plastic bottle from being tilted during processing, ensure the correct position of the plastic bottle during processing, improve the UV curing effect of plastic bottle surface printing, and ensure consistent curing quality of all plastic bottles.

[0004] The above-mentioned patent has the following problems in use: the bottle mouth fixing structure is simple, causing unreliable fixing, affecting use, and the light curtain structure is simple, having poor shading effect, affecting UV curing. UTILITY MODEL CONTENT

[0005] To solve the problems in the above background art, the utility model provides a UV curing device for plastic surface printing, which has the characteristics of firm bottle mouth fixing and good shading effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a UV curing device for plastic surface printing, comprising a support frame, the middle of the upper end of the support frame is provided with a conveying structure, the surface of the conveying structure is provided with a plurality of fixing assemblies at equal intervals, the upper side of the fixing assembly is provided with a protective box, the inner wall of the protective box is provided with a plurality of UV curing lamps on both sides, and the side of the protective box is provided with a shading assembly.

[0007] Preferably, the fixing assembly comprises a fixing clamp, a limiting block, a movable rod, a fixing cover, a mounting base, a return spring and a fixing socket, wherein the upper end of the mounting base is provided with the fixing cover, the inside of the fixing cover is provided with the fixing socket in the middle, the two sides of the fixing socket are provided with the fixing clamp, the end of the fixing clamp away from the fixing socket is connected with the movable rod, the other end of the movable rod is provided with the limiting block, and the surface of the movable rod between the fixing cover and the limiting block is provided with the return spring.

[0008] Preferably, the fixed holder comprises a telescopic spring, a U-shaped holder and rubber blocks, wherein the telescopic spring is clamped in the middle of the U-shaped holder, and the rubber blocks are arranged in the middle of the two sides of the U-shaped holder.

[0009] Preferably, the light shielding assembly comprises an adjusting bolt, a fixed frame and a light shielding curtain structure, wherein the upper end of the fixed frame is threadedly connected with the adjusting bolt, the lower end of the adjusting bolt is rotationally connected with the light shielding curtain structure, and the two ends of the light shielding curtain structure are close to the inner walls of the fixed frame.

[0010] Preferably, the light shielding curtain structure comprises a fixed plate, first light shielding curtains, second light shielding curtains and third light shielding curtains, wherein the bottom of the fixed plate is provided with a plurality of second light shielding curtains at equal intervals in the middle, the one side of the second light shielding curtains is provided with a plurality of first light shielding curtains, and the other side of the second light shielding curtains is provided with a plurality of third light shielding curtains.

[0011] Preferably, the second light shielding curtain is arranged in a U-shaped structure, and the two sides of the second light shielding curtain are close to the first light shielding curtains and the third light shielding curtains respectively.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a fixed assembly, the plastic bottle mouth is inserted into the surface of the fixed holder, the elastic force of the telescopic spring makes the rubber block clamp the inner wall of the bottle mouth, and the fixed clamp is clamped on the outer wall of the bottle mouth under the elastic force of the reset spring, so that the double clamping fixation improves the fixing firmness of the plastic bottle.

[0014] 2. The utility model discloses a light shielding assembly, the rotating adjusting bolt makes the light shielding curtain structure move in the fixed frame, realizes the adjustment of the light shielding position, and through being provided with the first light shielding curtain, the second light shielding curtain and the third light shielding curtain, the first light shielding curtain, the second light shielding curtain and the third light shielding curtain are close, the light shielding sealing property is improved, and light leakage is avoided. DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a fixed assembly structural schematic view of the utility model;

[0017] Figure 3 It is a fixed holder structural schematic view of the utility model;

[0018] Figure 4 It is a light shielding assembly structural schematic view of the utility model;

[0019] Figure 5 It is a light shielding curtain structural schematic view of the utility model;

[0020] In the figure: 1, protective box; 2, UV curing lamp; 3, light shielding assembly; 31, adjusting bolt; 32, fixing frame; 33, light shielding curtain structure; 331, fixing plate; 332, first light shielding curtain; 333, second light shielding curtain; 334, third light shielding curtain; 4, conveying structure; 5, support frame; 6, fixing assembly; 61, fixing clamp; 62, limiting block; 63, movable rod; 64, fixed cover; 65, mounting base; 66, return spring; 67, fixed clamping seat; 671, telescopic spring; 672, U-shaped clamping seat; 673, rubber protrusion. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] Please refer to Figures 1-5 The utility model provides the following technical scheme: a kind of UV curing device for plastic surface printing, the upper end of support frame 5 is provided with conveying structure 4, the surface of conveying structure 4 is provided with several fixed assemblies 6 at equal intervals, the top of fixed assembly 6 is provided with protective box 1, the inner wall of protective box 1 is provided with several UV curing lamps 2 on both sides, and the side of protective box 1 is provided with light shielding assembly 3.

[0024] Specifically, fixed assembly 6 includes fixing clamp 61, limiting block 62, movable rod 63, fixed cover 64, mounting base 65, return spring 66 and fixed clamping seat 67, wherein the upper end of mounting base 65 is provided with fixed cover 64, the inside of fixed cover 64 is provided with fixed clamping seat 67, the two sides of fixed clamping seat 67 are provided with fixing clamp 61, the end of fixing clamp 61 away from fixed clamping seat 67 is connected with movable rod 63, the other end of movable rod 63 is provided with limiting block 62, and the surface of movable rod 63 between fixed cover 64 and limiting block 62 is provided with return spring 66.

[0025] By adopting the above technical scheme, the plastic bottle mouth is inserted into the surface of fixed clamping seat 67, and the outer wall of bottle mouth is clamped by fixing clamp 61 under the elastic force of return spring 66, so that the double clamping fixation is realized, and the fixing firmness of plastic bottle is improved.

[0026] Specifically, fixed clamping seat 67 includes telescopic spring 671, U-shaped clamping seat 672 and rubber protrusion 673, wherein telescopic spring 671 is clamped in the middle of U-shaped clamping seat 672, and rubber protrusion 673 is arranged in the middle of the two sides of U-shaped clamping seat 672.

[0027] By adopting the technical scheme, the elastic force of the telescopic spring 671 makes the rubber bump 673 clamped to the inner wall of the bottle mouth, thereby improving the fixing firmness of the plastic bottle.

[0028] In use, the plastic bottle mouth is inserted into the surface of the fixing clamping seat 67, the elastic force of the telescopic spring 671 makes the rubber bump 673 clamped to the inner wall of the bottle mouth, and the fixing clamp 61 is clamped to the outer wall of the bottle mouth under the elastic force of the reset spring 66, so that the plastic bottle is fixed firmly through double clamping and fixing, the conveying structure 4 conveys the plastic bottle, the UV curing lamp 2 performs UV curing on the printing area of the plastic bottle, and the light shielding assembly 3 is used for shielding the UV curing light.

[0029] Embodiment 2

[0030] The difference between the embodiment and the embodiment 1 is that the light shielding assembly 3 comprises an adjusting bolt 31, a fixing frame 32 and a light shielding curtain structure 33, wherein the upper end of the fixing frame 32 is threadedly connected with the adjusting bolt 31, the lower end of the adjusting bolt 31 is rotationally connected with the light shielding curtain structure 33, and the two ends of the light shielding curtain structure 33 are close to the inner wall of the fixing frame 32.

[0031] By adopting the technical scheme, the rotation of the adjusting bolt 31 makes the light shielding curtain structure 33 move in the fixing frame 32, thereby adjusting the light shielding position.

[0032] Specifically, the light shielding curtain structure 33 comprises a fixed plate 331, a first light shielding curtain 332, a second light shielding curtain 333 and a third light shielding curtain 334, wherein the bottom of the fixed plate 331 is provided with a plurality of second light shielding curtains 333 at equal intervals, one side of the second light shielding curtain 333 is provided with a plurality of first light shielding curtains 332, and the other side of the second light shielding curtain 333 is provided with a plurality of third light shielding curtains 334.

[0033] By adopting the technical scheme, the first light shielding curtain 332, the second light shielding curtain 333 and the third light shielding curtain 334 are close to each other, thereby improving the light shielding sealing property and avoiding light leakage.

[0034] Specifically, the second light shielding curtain 333 is provided in a U-shaped structure, and the two sides of the second light shielding curtain 333 are close to the first light shielding curtain 332 and the third light shielding curtain 334 respectively.

[0035] By adopting the technical scheme, the first light shielding curtain 332, the second light shielding curtain 333 and the third light shielding curtain 334 are close to each other, thereby improving the light shielding sealing property and avoiding light leakage.

[0036] When the embodiment is used, the rotary adjusting bolt 31 moves the light shielding curtain structure 33 in the fixing frame 32 to realize the adjustment of the light shielding position, the first light shielding curtain 332, the second light shielding curtain 333 and the third light shielding curtain 334 are closely arranged, the light shielding sealing property is improved, and light leakage is avoided.

[0037] The structure and use principle of the protection box 1, the UV curing lamp 2 and the conveying structure 4 in the utility model have been disclosed in the UV curing device for plastic bottle surface printing disclosed in Chinese patent application No.

[0038] The working principle and use process of the utility model are as follows: when the utility model is used, the plastic bottle mouth is inserted into the surface of the fixed clamping seat 67, the elastic force of the extension spring 671 makes the rubber convex block 673 clamp the inner wall of the bottle mouth, and the fixed clamp 61 clamps the outer wall of the bottle mouth under the elastic force of the reset spring 66, the double clamping fixation is realized, the fixing firmness of the plastic bottle is improved, the conveying structure 4 conveys the plastic bottle, the UV curing lamp 2 performs UV curing on the plastic bottle printing area, the light shielding assembly 3 is used for shielding the UV curing light, the rotary adjusting bolt 31 moves the light shielding curtain structure 33 in the fixing frame 32 to realize the adjustment of the light shielding position, the first light shielding curtain 332, the second light shielding curtain 333 and the third light shielding curtain 334 are closely arranged, the light shielding sealing property is improved, and light leakage is avoided.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A UV curing device for printing on plastic surfaces comprising a support frame (5) characterised in that: The upper end of the support frame (5) is provided with a conveying structure (4), the surface of the conveying structure (4) is provided with a plurality of fixed assemblies (6) at equal intervals, the upper side of the fixed assembly (6) is provided with a protective box (1), the inner wall of the protective box (1) is provided with a plurality of UV curing lamps (2) on both sides, and one side of the protective box (1) is provided with a light shielding assembly (3).

2. The UV curing device for printing on plastic surfaces according to claim 1, characterized in that: The fixed assembly (6) comprises a fixed clamp (61), a limiting block (62), a movable rod (63), a fixed cover (64), a mounting base (65), a reset spring (66) and a fixed clamping base (67), wherein the upper end of the mounting base (65) is provided with the fixed cover (64), the inner middle of the fixed cover (64) is provided with the fixed clamping base (67), the two sides of the fixed clamping base (67) are provided with the fixed clamps (61), one end of the fixed clamp (61) away from the fixed clamping base (67) is connected with the movable rod (63), the other end of the movable rod (63) is provided with the limiting block (62), and the surface of the movable rod (63) between the fixed cover (64) and the limiting block (62) is provided with the reset spring (66).

3. The UV curing device for printing on plastic surfaces according to claim 2, characterized in that: The fixed clamping base (67) comprises a telescopic spring (671), a U-shaped clamping base (672) and a rubber protrusion (673), wherein the telescopic spring (671) is clamped in the middle of the U-shaped clamping base (672), and the rubber protrusion (673) is arranged in the middle of the two sides of the U-shaped clamping base (672).

4. The UV curing device for printing on plastic surfaces as claimed in claim 1 wherein: The light shielding assembly (3) comprises an adjusting bolt (31), a fixed frame (32) and a light shielding curtain structure (33), wherein the upper end of the fixed frame (32) is threadedly connected with the adjusting bolt (31), the lower end of the adjusting bolt (31) is rotatably connected with the light shielding curtain structure (33), and the two ends of the light shielding curtain structure (33) are tightly attached to the inner wall of the fixed frame (32).

5. The UV curing device for printing on plastic surfaces according to claim 4, characterized in that: The light shielding curtain structure (33) comprises a fixed plate (331), a first light shielding curtain (332), a second light shielding curtain (333) and a third light shielding curtain (334), wherein a plurality of second light shielding curtains (333) are arranged at equal intervals in the middle of the bottom of the fixed plate (331), a plurality of first light shielding curtains (332) are arranged on one side of the second light shielding curtain (333), and a plurality of third light shielding curtains (334) are arranged on the other side of the second light shielding curtain (333).

6. The UV curing device for printing on plastic surfaces according to claim 5, characterized in that: The second light shielding curtain (333) is arranged in a U-shaped structure, and the two sides of the second light shielding curtain (333) are tightly attached to the first light shielding curtain (332) and the third light shielding curtain (334) respectively.

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