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CN-122008688-A - Quick printing UV curing equipment for plastic paper cup

CN122008688ACN 122008688 ACN122008688 ACN 122008688ACN-122008688-A

Abstract

The invention provides a quick printing UV curing device for plastic paper cups, which belongs to the technical field of printing and comprises a rotating unit, a rubbing unit, a plurality of supporting units and a curing unit, wherein the rotating unit comprises a base, a rotating frame rotationally connected to the base, a rotating piece in transmission connection with the rotating frame, a plurality of rotating seats rotationally connected to the periphery of the rotating frame and a rotating piece in transmission connection with the rotating seats, the rotating piece is used for driving the rotating frame to rotate, the rubbing unit is used for rubbing patterns in a cup barrel printing area, the supporting unit comprises a supporting column fixedly connected to the rotating seat, an air blowing piece and a side top structure, the outer wall of the supporting column is provided with a plurality of air holes, the air blowing piece is communicated with the air holes and used for blowing air into the air holes, the side top structure stretches along the radial direction of the supporting column and is used for being abutted against the inner wall of a cup barrel corresponding to a printing area, and the curing unit is arranged on one side of the rotating frame along a second direction and is used for curing the patterns. The invention improves the adaptability of the device.

Inventors

  • QI QUANLI
  • YANG WANJUN
  • ZHANG CHEN

Assignees

  • 天津中腾华盛科技有限公司

Dates

Publication Date
20260512
Application Date
20260420

Claims (10)

  1. 1. A rapid printing UV curing apparatus for plastic paper cups, comprising: The rotating unit comprises a base, a rotating frame, a rotating piece, a plurality of rotating seats and a rotating piece, wherein the rotating frame is rotatably connected to the base, the rotating piece is in transmission connection with the rotating frame, the rotating seats are rotatably connected to the periphery of the rotating frame, the rotating piece is in transmission connection with the rotating seats, the rotating piece is used for driving the rotating frame to rotate by taking a first direction as a rotating shaft, and the rotating piece is used for driving the rotating seat to rotate by taking the radial direction of the rotating frame as the rotating shaft; The rubbing unit is arranged on one side of the rotating frame along the first direction and is used for rubbing patterns in a cup cylinder printing area; The support units are in one-to-one correspondence with the rotating seats, each support unit comprises a support column fixedly connected with the rotating seat, an air blowing piece and a side top structure connected with the rotating seat, a plurality of air holes are formed in the outer wall of each support column, the air blowing piece is communicated with the air holes and used for blowing air into the air holes, the side top structure stretches along the radial direction of the support column and is used for abutting against the inner wall of the cup cylinder corresponding to the printing area, and the side top structure is connected with the outer wall of each support column in a sleeved mode And the curing unit is arranged on one side of the rotating frame along the second direction and is used for curing the pattern.
  2. 2. The rapid printing UV curing apparatus for plastic paper cups of claim 1, wherein said side roof structure comprises: the positioning seat is in sliding connection with the support column and moves along the axial direction of the support column; The positioning piece is connected with the positioning seat in a transmission way and is used for driving the positioning seat to move; The variable sheet comprises a middle strip and extension strips arranged on two sides of the middle strip, wherein the extension strips are rotationally connected with the middle strip, the extension strips take the axial direction of a support column as a rotation shaft, an elastic piece is arranged at the rotational connection part of the extension strips and the middle strip, the elastic piece has a pretightening force for enabling the extension strips to move away from the support column, the extension strips comprise a plurality of extension parts which are sequentially connected, two adjacent extension strips are rotationally connected, the extension parts take the axial direction of the support column as the rotation shaft, a deformation piece is arranged at the rotational connection part of the two adjacent extension parts, and the deformation piece has a pretightening force for enabling the extension strips to move away from the support column; the telescopic piece is fixedly connected between the middle strip and the positioning seat and stretches along the radial direction of the support column; A limiting piece rotatably connected with the middle strip, wherein the limiting piece takes the axial direction of the supporting column as a rotating shaft and The position-changing piece is connected with the limiting piece in a transmission way and used for driving the limiting piece to rotate.
  3. 3. The rapid printing UV curing apparatus for plastic paper cups as set forth in claim 2, wherein the limiting plate is provided with a plurality of ejector grooves corresponding to the extending portions one by one, ejector bars are slidably provided in the ejector grooves, the ejector bars slide along the radial direction of the supporting columns, ejector pieces are fixedly connected between the ejector bars and the limiting plate, and the ejector pieces have a pre-tightening force to enable the ejector bars to extend out of the ejector grooves.
  4. 4. The rapid printing UV curing apparatus for plastic paper cups of claim 2, wherein a flexible pad is affixed to the top surface of said extension.
  5. 5. The rapid printing UV curing apparatus for plastic paper cups of claim 1, wherein a loading unit is provided at one side of said rotating frame, said loading unit and said rotating frame being disposed along said second direction; the feeding unit comprises: the feeding frame is fixedly connected to the base; The feeding seat is rotationally connected with the feeding frame, rotates by taking the first direction as a rotation shaft, is provided with a feeding groove for containing a cup cylinder, and is provided with a horizontal cup placing position and an inclined cup discharging position, and And the feeding piece is connected with the feeding seat in a transmission way and used for driving the feeding seat to switch between the cup placing position and the cup discharging position.
  6. 6. The rapid printing UV curing apparatus for plastic paper cups of claim 5, wherein said loading unit further comprises: a plurality of feeding rollers surrounding to form a feeding area, wherein the feeding area is abutted to an outlet of the feeding groove, the feeding rollers are rotationally connected with the feeding frame, a rotating shaft of each feeding roller is parallel to the extending direction of the feeding seat when the feeding seat is positioned at the cup discharging position, the outer part Zhou Gujie of each feeding roller is provided with a spiral protrusion, and The driving piece is connected with the feeding roller in a transmission way and used for driving the feeding roller to rotate.
  7. 7. The rapid printing UV curing apparatus for plastic paper cups as claimed in claim 6, wherein two separation grooves are formed in the inner wall of said feeding groove, two of said separation grooves are formed opposite to each other, and a separation unit is disposed in said separation groove; the separation unit includes: The rotating column is rotationally connected to the inner wall of the separation groove, and the rotating shaft of the rotating column is perpendicular to the plate surface of the feeding seat; A plurality of separation plates fixedly connected to the periphery of the rotary column at intervals; a separating member drivingly connected to the rotary column for driving the rotary column to rotate, and The adsorption piece is arranged above the feeding unit and fixedly connected with the feeding frame, and the adsorption piece is used for adsorbing and fixing the cup cylinder.
  8. 8. The rapid printing UV curing apparatus for plastic paper cups of claim 5, wherein said loading unit further comprises: The two lifting strips are oppositely arranged in the feeding groove, the lifting strips are in sliding connection with the inner wall of the feeding groove, the moving direction of the lifting strips is perpendicular to the plate surface of the feeding seat, a reset piece is fixedly connected between the lifting strips and the feeding seat, the reset piece has a pretightening force for enabling the lifting strips to move towards the outer side of the feeding groove, and the lifting strips are provided with through sliding grooves; the two guide plates are in one-to-one correspondence with the two lifting strips, the bottoms of the guide plates are connected to the inner wall of the feeding trough in a sliding manner, the tops of the guide plates are connected to the lifting strips in a rotating manner, and the guide plates, the lifting strips and the feeding trough are enclosed to form a transformation cavity; the pneumatic piece is communicated with the pressure changing cavity and is used for inflating the pressure changing cavity or exhausting the pressure changing cavity; a diaphragm plate fixedly connected between the guide plate and the inner wall of the feeding groove, wherein the diaphragm plate is telescopic and is provided with And the blocking structures are in one-to-one correspondence with the guide plates, are arranged between the guide plates and the inner wall of the feeding groove, and are used for blocking the variable pressure cavity.
  9. 9. The rapid printing UV curing apparatus for plastic paper cups of claim 8, wherein said blocking structure comprises: a flexible cover fixedly connected with the inner wall of the feeding groove, the guide plate and the lifting block, a cavity is arranged in the flexible cover, and The telescopic rod is arranged in the telescopic cavity, the telescopic rod is abutted to the inner wall of the feeding groove, the telescopic direction of the telescopic rod is perpendicular to the extending direction of the feeding seat, and the telescopic rod is fixedly connected with the flexible cover.
  10. 10. The rapid printing UV curing apparatus for plastic paper cups of claim 1, wherein a blanking unit is provided at one side of said rotating frame, said blanking unit and said rotating frame being disposed along said second direction; The blanking unit comprises: a blanking conveyor; two separating conveyors oppositely arranged at two sides of the blanking conveyor, a gap for the supporting unit to pass through is arranged between the two separating conveyors, and The two side stretching pieces are arranged on one sides of the two separating and conveying machines, which are away from each other, and are fixedly connected between the blanking conveyor machine body and the separating and conveying machine body, and the side stretching pieces stretch and retract along the first direction.

Description

Quick printing UV curing equipment for plastic paper cup Technical Field The invention belongs to the technical field of printing, and particularly relates to a rapid printing UV curing device for a plastic paper cup. Background With the vigorous development of the beverage consumer market, the cup cylinder type containers such as disposable paper cups, plastic cups and the like not only bear the containing function, but also become important media for brand propaganda and art display, and the surface of the container is printed with patterns, so that the added value and visual attraction of products can be greatly improved. Currently, cup cylinder printing is typically done using offset or screen printing techniques and integrated with a UV curing system to achieve rapid drying. The process comprises the steps of firstly sleeving a cup cylinder material on a rotating shaft core, transferring UV ink to the surface of the rotating shaft core through a printing unit, and then enabling the ink to instantaneously undergo a crosslinking reaction by utilizing ultraviolet irradiation, so that rapid solidification and drying of patterns are realized. Because of the large diameter of the cup products on the market, the shaft cores of the traditional printing equipment are mostly of rigid structures with fixed sizes, so that when the cup products with different diameters are switched in production, the shaft cores matched with the cup products must be replaced, and therefore the defect of low suitability exists. Disclosure of Invention The embodiment of the invention provides a quick printing UV curing device for a plastic paper cup, which aims to solve the technical problem of low adaptability of a device. In order to achieve the purpose, the technical scheme adopted by the invention is that the quick printing UV curing equipment for the plastic paper cup comprises: The rotating unit comprises a base, a rotating frame, a rotating piece, a plurality of rotating seats and a rotating piece, wherein the rotating frame is rotatably connected to the base, the rotating piece is in transmission connection with the rotating frame, the rotating seats are rotatably connected to the periphery of the rotating frame, the rotating piece is in transmission connection with the rotating seats, the rotating piece is used for driving the rotating frame to rotate by taking a first direction as a rotating shaft, and the rotating piece is used for driving the rotating seat to rotate by taking the radial direction of the rotating frame as the rotating shaft; The rubbing unit is arranged on one side of the rotating frame along the first direction and is used for rubbing patterns in a cup cylinder printing area; The support units are in one-to-one correspondence with the rotating seats, each support unit comprises a support column fixedly connected with the rotating seat, an air blowing piece and a side top structure connected with the rotating seat, a plurality of air holes are formed in the outer wall of each support column, the air blowing piece is communicated with the air holes and used for blowing air into the air holes, the side top structure stretches along the radial direction of the support column and is used for abutting against the inner wall of the cup cylinder corresponding to the printing area, and the side top structure is connected with the outer wall of each support column in a sleeved mode And the curing unit is arranged on one side of the rotating frame along the second direction and is used for curing the pattern. In one possible implementation, the side roof structure includes: the positioning seat is in sliding connection with the support column and moves along the axial direction of the support column; The positioning piece is connected with the positioning seat in a transmission way and is used for driving the positioning seat to move; The variable sheet comprises a middle strip and extension strips arranged on two sides of the middle strip, wherein the extension strips are rotationally connected with the middle strip, the extension strips take the axial direction of a support column as a rotation shaft, an elastic piece is arranged at the rotational connection part of the extension strips and the middle strip, the elastic piece has a pretightening force for enabling the extension strips to move away from the support column, the extension strips comprise a plurality of extension parts which are sequentially connected, two adjacent extension strips are rotationally connected, the extension parts take the axial direction of the support column as the rotation shaft, a deformation piece is arranged at the rotational connection part of the two adjacent extension parts, and the deformation piece has a pretightening force for enabling the extension strips to move away from the support column; the telescopic piece is fixedly connected between the middle strip and the positioning seat and stretches along the radial direction