Feeding device for paper cup machine

By designing the feeding device for paper cup machines, the screen printing of surface patterns is realized simultaneously during the paper cup forming process, solving the problem that surface patterns cannot be printed during the molding process in the prior art, meeting customers' customization needs and improving production efficiency.

CN120396434APending Publication Date: 2025-08-01GUANGZHOU LONGCHENG PAPER PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202510745913.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-05
Publication Date
2025-08-01

AI Technical Summary

Technical Problem

The existing paper cup machine feeding device cannot print surface patterns during the molding process, making it difficult to meet customers' customization needs.

Method used

A feeding device for paper cup machines is designed, including a feeding chassis, feeding chassis, silk-printing forming mechanism and bonding mechanism. Through the synergy between the electric push rod and the servo, the forming, bonding and silk-printing process of paper cups is realized. The conveying, forming, bonding and silk-printing process of the paperboard is controlled by the electric push rod and the servo respectively.

Benefits of technology

It realizes the screen printing of surface patterns simultaneously during the paper cup forming process, meets customers' needs for customized patterns and texts on the outer wall of the paper cup, and improves the flexibility and efficiency of paper cup production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of paper cup processing equipment, particularly relates to a feeding device for a paper cup machine, and aims to solve the problem that surface patterns cannot be printed in the forming process in the feeding process of an existing paper cup machine. A paperboard feeding mechanism is arranged on one side of the feeding machine box and comprises a first electric push rod installed in the middle of the feeding machine box, a paper cup paperboard body is placed at one end of the first electric push rod, a groove hole is formed in the middle of the feeding machine box, and a paperboard feeding swing rod is installed in the groove hole. In the paper cup extrusion forming process of the silk-screen forming machine boxes on the two sides of a paper cup, the structures in the silk-screen forming machine boxes conduct silk-screen printing on the surface of the paper cup, during silk-screen printing, a sixth electric push rod extends to make a silk-screen frame and a silk-screen printing block make contact with the inner wall of a silk-screen printing screen, and a silk-screen printing sliding block controls the whole silk-screen frame to move upwards; the printing ink is printed on the surface of the cup through the silk screen.
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Description

Technical Field

[0001] The present invention relates to the technical field of paper cup processing equipment, and particularly relates to a feeding device for a paper cup machine. Background Art

[0002] A paper cup is a paper container made by mechanically processing and bonding the base paper (white cardboard) made of chemical wood pulp. Its appearance is in the shape of a cup. The paper cups for frozen foods are waxed and can hold ice cream, jam, butter, etc. The paper cups for hot drinks are coated with plastic and can withstand temperatures above 90°C, and can even hold boiling water. The processing process of paper cups is to bond and form the pre-cut cardboard. During the production and processing of paper cups, in order to meet the customized needs of customers, patterns and texts such as advertising trademarks need to be made on the outer wall of the paper cups.

[0003] For example, the Chinese invention patent with the publication number CN119750100A discloses: an automatic feeding device for paper cup processing and production, including a support assembly. The support assembly includes two support plates, and the two support plates are symmetrically arranged; during the processing and feeding of the above paper cups, when the paper cups are formed, the advertisements and trademark patterns on the outer wall of the cardboard need to be printed on the cardboard in advance. Therefore, in the arrangement of processes, the cardboard needs to be printed first before forming. The current feeding process of the paper cup machine cannot achieve the printing of surface patterns during the forming process, and the prior art is not easy to solve such problems. Therefore, a feeding device for a paper cup machine is urgently needed to solve the above problems. Summary of the Invention

[0004] Based on the technical problem that the current feeding process of the paper cup machine cannot achieve the printing of surface patterns during the forming process, the present invention proposes a feeding device for a paper cup machine.

[0005] A feeding device for a paper cup machine proposed by the present invention includes a feeding machine box and a feeding machine box. A cardboard feeding mechanism is arranged on one side of the feeding machine box. The cardboard feeding mechanism includes a first electric push rod installed at the middle position of the feeding machine box. One end of the first electric push rod is placed with a paper cup cardboard body. A slot is opened at the middle position of the feeding machine box, and a cardboard feeding swing rod is installed in the slot. A second electric push rod is installed at the middle position of the cardboard feeding swing rod. One end of the second electric push rod is fixed with a cardboard picking frame through bolts. A fixed bottom frame is fixed at the middle position of the bottom of the feeding machine box. One end of the fixed bottom frame is fixed with a forming cup seat through bolts. Screen printing and forming mechanisms are hingedly installed on both sides of the feeding machine box. A bonding bottom frame is hingedly installed at the bottom of the fixed bottom frame. Two vertically arranged fourth electric push rods are hingedly installed at the top of the bonding bottom frame, and a bonding machine box is hingedly installed at the top of the fourth electric push rods.

[0006] Preferably, third electric push rods are hingedly installed at both the top and bottom positions of the cardboard pick-up rack, and cardboard suction cups are installed at one ends of the two third electric push rods.

[0007] Preferably, a cup discharging swing rod is hingedly installed in the middle of the bottom of the feeding chassis. A fifth electric push rod is nested and installed at the bottom of the cup discharging swing rod. A cup discharging silica gel head is fixed to the bottom of the fifth electric push rod through bolts. A first servo motor is installed at the bottom of the feeding chassis, and the output shaft of the first servo motor is fixed to the rotating shaft of the cup discharging swing rod.

[0008] Preferably, the screen printing forming mechanism includes a side swing rod hingedly installed on the side wall of the feeding chassis. A screen printing forming chassis is fixed to the bottom of the side swing rod. A screen printing chamber is arranged inside the screen printing forming chassis. A screen printing wire mesh is fixed at the middle position of the screen printing forming chassis. A second servo motor is fixed inside the side wall of the feeding chassis, and the output shaft of the second servo motor is fixed to the rotating shaft of the side swing rod.

[0009] Preferably, an inner arc frame is fixed to the side wall of the screen printing forming chassis through bolts. An arc groove is formed in the side wall of the inner arc frame. A screen printing slider is slidably installed in the arc groove of the inner arc frame. An ink blocking frame is fixed to one side of the screen printing slider. Three sixth electric push rods are fixedly installed at the bottom of the ink blocking frame in an array. A screen printing frame is fixed to the bottoms of the three sixth electric push rods. A screen printing block is installed at the bottom of the screen printing frame. The screen printing block is made of rubber material and is in contact with the inner wall of the screen printing wire mesh.

[0010] Preferably, a liquid pumping pump is fixed inside the screen printing slider. The liquid pumping pipe of the liquid pumping pump is located at the bottom position of the screen printing chamber. Three liquid guiding pipes are installed at the bottom of the ink blocking frame. The three liquid guiding pipes are sleeved and installed with the output ends of the liquid pumping pump inside the screen printing slider. Liquid outlet holes are arranged in an array on the inner wall of the screen printing frame, and the liquid outlet holes are communicated with the liquid guiding pipes.

[0011] Preferably, four cardboard fixing rods are fixed to one side of the feeding chassis, and cardboard blocking plates are installed at one ends of the four cardboard fixing rods.

[0012] Preferably, a third servo motor is fixed to the bottom of the fixed chassis, and the output shaft of the third servo motor is fixed to the rotating shaft of the bonding chassis.

[0013] Preferably, a bonding sliding groove is formed at the top of the bonding chassis. A bonding slider is slidably installed inside the bonding sliding groove. A moving lead screw is installed through a bearing inside the bonding sliding groove. The moving lead screw is threadedly sleeved and installed with the bonding slider. A driving motor is fixed inside the bonding chassis, and the output shaft of the driving motor is fixed to the moving lead screw.

[0014] Preferably, a glue outlet rack is fixed to the top of the bonding slider. The inside of the glue outlet rack is hollow, and glue outlet holes are formed in an array on the top of the glue outlet rack. A roller rack groove is formed in the top of the bonding slider, and a crimping roller rack is installed in the roller rack groove. A crimping roller is installed at the top of the crimping roller rack through a bearing, and a spring seat is installed between the bottom of the crimping roller rack and the roller rack groove.

[0015] The beneficial effects of the present invention are as follows:

[0016] 1. In the feeding device for a paper cup machine, during the process of squeezing and forming a paper cup by the screen printing and forming machine case on both sides of the paper cup, the structure inside the screen printing and forming machine case performs screen printing on the surface of the paper cup. When screen printing, the sixth electric push rod extends to make the screen printing rack and the screen printing block contact the inner wall of the screen printing mesh. The screen printing slider controls the overall upward movement of the screen printing rack, and the ink is screen printed on the surface of the cup through the screen printing mesh. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic view of one side position of the overall structure of a feeding device for a paper cup machine proposed by the present invention;

[0018] Figure 2 It is a schematic view of the other side position of the overall structure of a feeding device for a paper cup machine proposed by the present invention;

[0019] Figure 3 It is a schematic view of the paper feeding mechanism structure of a feeding device for a paper cup machine proposed by the present invention;

[0020] Figure 4 It is a schematic view of a partial structure of a screen printing squeegee of a feeding device for a paper cup machine proposed by the present invention;

[0021] Figure 5 It is a schematic view of the bonding mechanism structure of a feeding device for a paper cup machine proposed by the present invention.

[0022] In the figure: 1, feeding machine case; 2, cardboard fixing rod; 3, fixed bottom frame; 4, cardboard retaining plate; 5, bonding bottom frame; 6, formed cup seat; 7, bonding machine case; 8, fourth electric push rod; 9, cup outlet swing rod; 10, screen printing mesh; 11, screen printing and forming machine case; 12, side swing rod; 13, feeding machine case; 14, paper cup cardboard body; 15, cup outlet silica gel head; 16, fifth electric push rod; 17, first electric push rod; 18, cardboard feeding swing rod; 19, second electric push rod; 20, cardboard picking rack; 21, third electric push rod; 22, cardboard suction cup; 23, screen printing chamber; 24, inner arc frame; 25, screen printing slider; 26, screen printing rack; 27, liquid outlet hole; 28, screen printing block; 29, ink retaining rack; 30, liquid guide pipe; 31, sixth electric push rod; 32, bonding chute; 33, bonding slider; 34, moving lead screw; 35, crimping roller rack; 36, crimping roller; 37, glue outlet rack. Detailed implementation manner

[0023] Referring to Figures 1-5 , a feeding device for a paper cup machine, including a feeding machine case 1 and a feeding machine case 13. A cardboard feeding mechanism is arranged on one side of the feeding machine case 1. The cardboard feeding mechanism includes a first electric push rod 17 installed at the middle position of the feeding machine case 1. One end of the first electric push rod 17 places a paper cup cardboard body 14. A slot is opened at the middle position of the feeding machine case 13, and a cardboard feeding swing rod 18 is installed in the slot. A second electric push rod 19 is installed at the middle position of the cardboard feeding swing rod 18. One end of the second electric push rod 19 is fixed with a cardboard picking frame 20 by bolts. A fixed bottom frame 3 is fixed at the middle position of the bottom of the feeding machine case 1. One end of the fixed bottom frame 3 is fixed with a forming cup seat 6 by bolts. Screen printing forming mechanisms are hingedly installed on both sides of the feeding machine case 13. A bonding bottom frame 5 is hingedly installed at the bottom of the fixed bottom frame 3. Two vertically arranged fourth electric push rods 8 are hingedly installed at the top of the bonding bottom frame 5, and the top of the fourth electric push rod 8 is hingedly installed with a bonding machine case 7.

[0024] Furthermore, third electric push rods 21 are hingedly installed at the top and bottom positions of the cardboard picking frame 20, and cardboard suction cups 22 are installed at one ends of the two third electric push rods 21.

[0025] Furthermore, a cup discharging swing rod 9 is hingedly installed at the middle of the bottom of the feeding machine case 13. A fifth electric push rod 16 is nested at the bottom of the cup discharging swing rod 9. The bottom of the fifth electric push rod 16 is fixed with a cup discharging silica gel head 15 by bolts. A first servo motor is installed at the bottom of the feeding machine case 13, and the output shaft of the first servo motor is fixed to the rotating shaft of the cup discharging swing rod 9.

[0026] Furthermore, the screen printing forming mechanism includes a side swing rod 12 hingedly installed on the side wall of the feeding machine case 13. A screen printing forming machine case 11 is fixed at the bottom of the side swing rod 12. A screen printing chamber 23 is arranged inside the screen printing forming machine case 11. A screen printing wire mesh 10 is fixed at the middle position of the screen printing forming machine case 11. A second servo motor is fixed inside the side wall of the feeding machine case 13, and the output shaft of the second servo motor is fixed to the rotating shaft of the side swing rod 12.

[0027] Furthermore, an inner arc frame 24 is fixed to the side wall of the screen printing forming machine case 11 by bolts. An arc groove is opened on the side wall of the inner arc frame 24, and a screen printing slider 25 is slidably installed in the arc groove of the inner arc frame 24. An ink blocking frame 29 is fixed on one side of the screen printing slider 25. Three sixth electric push rods 31 distributed in an array are fixed at the bottom of the ink blocking frame 29. The bottoms of the three sixth electric push rods 31 are fixed to the same screen printing frame 26. A screen printing block 28 is installed at the bottom of the screen printing frame 26. The screen printing block 28 is made of rubber material, and the screen printing block 28 is in contact with the inner wall of the screen printing wire mesh 10.

[0028] Further, a liquid extraction pump is fixed inside the screen printing slider 25. The liquid extraction pipe of the liquid extraction pump is located at the bottom of the screen printing chamber 23. Three liquid guide pipes 30 are installed at the bottom of the ink retaining frame 29. The three liquid guide pipes 30 are sleeved and installed with the output end of the liquid extraction pump inside the screen printing slider 25. The inner wall of the screen printing frame 26 is provided with liquid outlet holes 27 distributed in an array. The liquid outlet holes 27 are communicated with the liquid guide pipes 30.

[0029] Further, four cardboard fixing rods 2 are fixed on one side of the feeding chassis 1. Cardboard retaining plates 4 are installed at one ends of the four cardboard fixing rods 2.

[0030] Further, a third servo motor is fixed at the bottom of the fixed chassis 3. The output shaft of the third servo motor is fixed to the rotating shaft of the bonding chassis 5.

[0031] Further, a bonding chute 32 is opened at the top of the bonding chassis 7. A bonding slider 33 is slidably installed inside the bonding chute 32. A moving lead screw 34 is installed inside the bonding chute 32 through a bearing. The moving lead screw 34 is threadedly sleeved and installed with the bonding slider 33. A driving motor is fixed inside the bonding chassis 7. The output shaft of the driving motor is fixed to the moving lead screw 34.

[0032] Further, a glue outlet frame 37 is fixed at the top of the bonding slider 33. The inside of the glue outlet frame 37 is hollow, and glue outlet holes distributed in an array are opened at the top of the glue outlet frame 37. A roller frame groove is opened at the top of the bonding slider 33, and a crimping roller frame 35 is installed inside the roller frame groove. A crimping roller 36 is installed at the top of the crimping roller frame 35 through a bearing. A spring seat is installed between the bottom of the crimping roller frame 35 and the roller frame groove.

[0033] When the present invention is in use: Place the paper cup cardboard body 14 to be formed and processed inside the four cardboard fixing rods 2, and extrude the material through the first electric push rod 17. During the forming process of feeding the paper cups, the cardboard feeding swing rod 18 is initially in a horizontal state, and the second electric push rod 19 extends and the two cardboard suction cups 22 suck the paper cup cardboard body 14. Subsequently, the cardboard feeding swing rod 18 is adjusted to a vertical state, and the second electric push rod 19 extends to place the paper cup cardboard body 14 sucked at the bottom on the top of the forming cup holder 6. Then, the forming process is carried out. During the forming process, the silk printing forming machine cases 11 at both sides descend and approach and fit with the forming cup holder 6 at the bottom to press the paper cup cardboard body 14 into the shape of a cup; after the paper cup cardboard body 14 is closed into the shape of a cup, the bottom of the cup is bonded and fixed. During the bonding process, the two fourth electric push rods 8 at the bottom adjust the angle of the bonding machine case 7 at the top and approach the bottom of the cup. The moving lead screw 34 controls the bonding slider 33 to enter the joint of the cup from the bottom. The glue outlet rack 37 is located in the middle position of the joint of the paper cup, and the glue overflows through the glue outlet holes at the top. As the moving lead screw 34 controls the movement of the bonding slider 33, the pressing roller 36 rolls and bonds the joint position at the bottom of the paper cup to complete the bonding of the paper cup; during the process of the silk printing forming machine cases 11 on both sides of the paper cup extruding and forming the paper cup, the internal structure of the silk printing forming machine case 11 silk prints the surface of the paper cup. When silk printing, the sixth electric push rod 31 extends to make the silk printing rack 26 and the silk printing block 28 contact the inner wall of the silk printing screen 10. The silk printing slider 25 controls the overall upward movement of the silk printing rack 26, and the ink is silk printed on the surface of the cup through the silk printing screen 10; after the paper cup is formed, bonded, and silk printed, the feeding and production of the cup are completed. The fifth electric push rod 16 inside the cup discharging swing rod 9 extends, contacts the cup through the cup discharging silica gel head 15 at the bottom, and swings the cup discharging swing rod 9 to move the formed cup out of the forming cup holder 6.

[0034] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A feeding device for a paper cup machine, comprising a feeding machine case (1) and a feeding machine case (13), characterized in that, On one side of the feeding machine case (1), there is a cardboard feeding mechanism. The cardboard feeding mechanism includes a first electric push rod (17) installed at the middle position of the feeding machine case (1). One end of the first electric push rod (17) is placed with a paper cup cardboard body (14). A slot is opened at the middle position of the feeding machine case (13), and a cardboard feeding swing rod (18) is installed in the slot. A second electric push rod (19) is installed at the middle position of the cardboard feeding swing rod (18). One end of the second electric push rod (19) is fixed with a cardboard picking rack (20) by bolts. A fixed bottom frame (3) is fixed at the middle position of the bottom of the feeding machine case (1). One end of the fixed bottom frame (3) is fixed with a formed cup seat (6) by bolts. Screen printing forming mechanisms are hingedly installed on both sides of the feeding machine case (13). A bonding bottom frame (5) is hingedly installed at the bottom of the fixed bottom frame (3). Two vertically arranged fourth electric push rods (8) are hingedly installed at the top of the bonding bottom frame (5), and the top of the fourth electric push rod (8) is hingedly installed with a bonding machine case (7).

2. The feeding device for a paper cup machine according to claim 1, characterized in that, Third electric push rods (21) are hingedly installed at the top and bottom positions of the cardboard picking rack (20). One end of each of the two third electric push rods (21) is installed with a cardboard suction cup (22).

3. The feeding device for a paper cup machine according to claim 1, characterized in that, A cup discharging swing rod (9) is hingedly installed at the middle of the bottom of the feeding machine case (13). A fifth electric push rod (16) is nested at the bottom of the cup discharging swing rod (9). The bottom of the fifth electric push rod (16) is fixed with a cup discharging silica gel head (15) by bolts. A first servo motor is installed at the bottom of the feeding machine case (13), and the output shaft of the first servo motor is fixed to the rotating shaft of the cup discharging swing rod (9).

4. A feeding device for a paper cup machine according to claim 1, characterized in that, The screen printing forming mechanism includes a side swing rod (12) hingedly installed on the side wall of the feeding machine case (13). A screen printing forming machine case (11) is fixed at the bottom of the side swing rod (12). A screen printing chamber (23) is arranged inside the screen printing forming machine case (11). A screen printing wire mesh (10) is fixed at the middle position of the screen printing forming machine case (11). A second servo motor is fixed inside the side wall of the feeding machine case (13), and the output shaft of the second servo motor is fixed to the rotating shaft of the side swing rod (12).

5. A feeding device for a paper cup machine according to claim 4, characterized in that, An inner arc frame (24) is fixed to the side wall of the screen printing forming machine case (11) by bolts. An arc slot is opened on the side wall of the inner arc frame (24), and a screen printing slider (25) is slidably installed in the arc slot of the inner arc frame (24). An ink blocking frame (29) is fixed to one side of the screen printing slider (25). Three sixth electric push rods (31) distributed in an array are fixed to the bottom of the ink blocking frame (29). The bottoms of the three sixth electric push rods (31) are fixed to the same screen printing frame (26). A screen printing block (28) is installed at the bottom of the screen printing frame (26). The screen printing block (28) is made of rubber material, and the screen printing block (28) is in contact with the inner wall of the screen printing wire mesh (10).

6. The feeding device for a paper cup machine according to claim 5, characterized in that, A liquid extraction pump is fixed inside the silk screen slider (25). The liquid extraction pipe of the liquid extraction pump is located at the bottom of the silk screen chamber (23). Three liquid guide pipes (30) are installed at the bottom of the ink retaining frame (29). The three liquid guide pipes (30) are sleeved and installed with the output end of the liquid extraction pump inside the silk screen slider (25). The inner wall of the silk screen frame (26) is provided with liquid outlet holes (27) distributed in an array, and the liquid outlet holes (27) are communicated with the liquid guide pipes (30).

7. The feeding device for a paper cup machine according to claim 1, characterized in that, Four cardboard fixing rods (2) are fixed on one side of the feeding machine case (1). Cardboard retaining plates (4) are installed at one ends of the four cardboard fixing rods (2).

8. A feeding device for a paper cup machine according to claim 1, characterized in that, A third servo motor is fixed at the bottom of the fixed bottom frame (3), and the output shaft of the third servo motor is fixed to the rotating shaft of the bonding bottom frame (5).

9. A feeding device for a paper cup machine according to claim 1, characterized in that, A bonding sliding groove (32) is formed at the top of the bonding machine case (7). A bonding slider (33) is slidably installed inside the bonding sliding groove (32). A moving lead screw (34) is installed inside the bonding sliding groove (32) through a bearing. The moving lead screw (34) is threadedly sleeved and installed with the bonding slider (33). A driving motor is fixed inside the bonding machine case (7), and the output shaft of the driving motor is fixed to the moving lead screw (34).

10. A feeding device for a paper cup machine according to claim 9, characterized in that, A glue outlet frame (37) is fixed at the top of the bonding slider (33). The inside of the glue outlet frame (37) is hollow, and glue outlet holes distributed in an array are formed at the top of the glue outlet frame (37). A roller frame groove is formed at the top of the bonding slider (33), and a crimping roller frame (35) is installed inside the roller frame groove. A crimping roller (36) is installed at the top of the crimping roller frame (35) through a bearing. A spring seat is installed between the bottom of the crimping roller frame (35) and the roller frame groove.

Citation Information

Patent Citations

  • Automatic feeding device for paper cup processing and production

    CN119750100A