Negative pressure type carton printing machine
By using an adsorption mechanism and a distance adjustment mechanism in the carton printing press, the carton is fixed on the printing table, which solves the printing problem caused by unstable carton position, and achieves a more efficient printing process and better production efficiency.
Patent Information
- Application Number
- CN202421763035.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-24
AI Technical Summary
During the printing process, existing carton printing machines have frequent shutdown and adjustment due to unstable carton position, which increases operating time and workload. As well as carton shaking and offset, a large number of printing failures are caused, which increases scrap rate and production costs, affecting printing quality and accuracy.
A negative pressure carton printing machine is designed, using an adsorption mechanism and a distance adjustment mechanism to absorb the bottom end of the carton through a vacuum suction cup and adjust the adsorption length, and fix the carton on the printing table to prevent shaking and offset.
It effectively reduces operating time and workload, reduces waste rate and production costs, improves printing quality and accuracy, and improves overall production efficiency.
Smart Images
Figure CN222859001U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of carton printing machines, in particular to a negative pressure carton printing machine. Background Art
[0002] A carton printing machine is a printing device that can print the required text, patterns and other information onto the surface of a carton. It generally includes process flows such as plate mounting, inking, embossing, and paper feeding. When working, the text and images to be printed are first made into printing plates and mounted on the printing machine. Then, a person operates the printing machine to evenly apply ink to the areas on the printing plates where there are text and images, and then directly or indirectly transfer them to corrugated cardboard or cartons, thereby producing a printed replica identical to the printing plate.
[0003] However, in the prior art, during the carton printing process, the position of the carton is unstable, and frequent stops and adjustments are required, which increases the operation time and workload. In addition, the carton will shake and shift during printing, resulting in a large number of unqualified cartons. This not only increases the scrap rate and production costs, but also affects the printing quality and accuracy, reducing the overall production efficiency. Therefore, a negative pressure carton printing machine is proposed. Utility Model Content
[0004] The utility model aims to solve the problems in the prior art that not only the scrap rate is increased, the production cost is increased, but also the printing quality and precision are affected, and the overall production efficiency is reduced, and a negative pressure carton printing machine is proposed.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a negative pressure carton printing machine, comprising a printing table and a printing device, a protective shell is fixedly installed on the upper end of the printing table, three groups of elliptical holes are opened through the upper end of the printing table, an adsorption mechanism is arranged at the lower end of the printing table, and a distance adjustment mechanism is arranged on one side of the adsorption mechanism;
[0006] The adsorption mechanism includes a base and two groups of movable blocks, guide seats are fixedly installed on the upper end of the base and near the edges on both sides, three groups of limit plates are fixedly installed on the upper ends of the two groups of movable blocks, and vacuum suction cups are installed through the upper ends of the six groups of limit plates. A vacuum pump is fixedly installed on the lower end of the base, and the suction end of the vacuum pump is fixedly connected to a ventilation component, and four groups of telescopic rods are fixedly installed on the lower end of the base.
[0007] Preferably, the distance adjustment mechanism comprises a bidirectional cylinder, sliding L-shaped blocks are slidably mounted on both sides of the two groups of guide seats, and special-shaped plates are fixedly mounted on both protruding ends of the bidirectional cylinder.
[0008] Preferably, the connection ends of the several groups of vacuum suction cups are respectively fixed to the several groups of protruding ends of the ventilation assembly, and a support plate is fixedly installed inside the lower part of the printing table.
[0009] Preferably, the lower ends of the two groups of movable blocks are placed on the upper ends of the two groups of guide seats, and the upper parts of the several groups of vacuum suction cups are respectively arranged inside the three groups of elliptical holes.
[0010] Preferably, the lower ends of the four groups of telescopic rods are fixed to the upper end of the support plate, the lower end of the printing device is fixed to the upper end of the printing table, and the printing device is located inside the protective shell.
[0011] Preferably, two groups of limit blocks are slidably installed in the reserved grooves on both sides of the two groups of guide seats, and the other ends of the two groups of special-shaped plates are respectively fixed to one end of the two groups of movable blocks.
[0012] Preferably, one side of the bidirectional cylinder is fixed to one side of one group of guide seats, and the upper ends of the eight groups of limit blocks are respectively fixed to the lower ends of the two groups of movable blocks.
[0013] Compared with the prior art, the advantages and positive effects of the utility model are:
[0014] 1. In the utility model, by providing an adsorption mechanism, it is convenient for several groups of vacuum suction cups to adsorb the bottom end of the carton, so that the carton can be fixed on the upper end of the printing table to prevent the carton from shaking and shifting during printing, and there is no need to frequently stop the machine to adjust the carton, which reduces the operation time and workload, not only reduces the scrap rate and production cost, but also will not affect the printing quality and accuracy, and at the same time improves the overall production efficiency.
[0015] 2. In the utility model, by providing a distance adjustment mechanism, two groups of movable blocks can be driven to move on the upper ends of two groups of guide seats. The two groups of movable blocks drive several groups of vacuum suction cups to move inside three groups of elliptical holes through six groups of limiting plates. The distance between the six groups of limiting plates can be adjusted, which is convenient for adjusting the adsorption length of the vacuum suction cup, and can adsorb and fix cartons of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A three-dimensional structural schematic diagram of a negative pressure carton printing machine is proposed for the utility model;
[0017] Figure 2 The utility model provides a structural schematic diagram of an adsorption mechanism and a distance adjustment mechanism in a negative pressure carton printing machine;
[0018] Figure 3 The utility model provides a structural schematic diagram of a guide seat, a movable block and a distance adjustment mechanism in a negative pressure carton printing machine;
[0019] Figure 4 The utility model provides a partial bottom view of a negative pressure carton printing machine.
[0020] Legend: 1. Printing table; 11. Protective shell; 12. Printing equipment; 13. Elliptical hole; 14. Support plate; 2. Adsorption mechanism; 21. Base; 22. Guide seat; 23. Movable block; 24. Limit plate; 25. Vacuum suction cup; 26. Vacuum pump; 27. Ventilation assembly; 28. Telescopic rod; 3. Distance adjustment mechanism; 31. Bidirectional cylinder; 32. Sliding L-shaped block; 33. Special-shaped plate; 34. Limit block. DETAILED DESCRIPTION
[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0023] Embodiment 1: Figure 1 As shown in FIG. 4 , the utility model provides a negative pressure carton printing machine, comprising a printing table 1 and a printing device 12, a protective shell 11 is fixedly installed on the upper end of the printing table 1, three groups of elliptical holes 13 are opened through the upper end of the printing table 1, an adsorption mechanism 2 is arranged at the lower end of the printing table 1, and a distance adjustment mechanism 3 is arranged on one side of the adsorption mechanism 2;
[0024] The adsorption mechanism 2 includes a base 21 and two groups of movable blocks 23. A guide seat 22 is fixedly installed on the upper end of the base 21 and near the edges of both sides. Three groups of limit plates 24 are fixedly installed on the upper ends of the two groups of movable blocks 23. The upper ends of the six groups of limit plates 24 are penetrated by vacuum suction cups 25. A vacuum pump 26 is fixedly installed on the lower end of the base 21. The suction end of the vacuum pump 26 is fixedly connected to a ventilation component 27. Four groups of telescopic rods 28 and several groups of vacuum suction cups are fixedly installed on the lower end of the base 21. The connecting ends of 25 are respectively fixed to several groups of protruding ends of the ventilation assembly 27, a support plate 14 is fixedly installed inside the lower part of the printing table 1, the lower ends of the four groups of telescopic rods 28 are fixed to the upper end of the support plate 14, the lower ends of the two groups of movable blocks 23 are placed on the upper ends of the two groups of guide seats 22, the upper parts of several groups of vacuum suction cups 25 are respectively arranged inside the three groups of elliptical holes 13, the lower end of the printing device 12 is fixed to the upper end of the printing table 1, and the printing device 12 is located inside the protective shell 11.
[0025] The following is a detailed description of the specific settings and functions of this embodiment. The four telescopic rods 28 are started to operate. The four telescopic rods 28 push the two guide seats 22 to move upward through the base 21. The two guide seats 22 drive the six limit plates 24 to move upward together through the two movable blocks 23, so that the six limit plates 24 drive the several vacuum suction cups 25 to move upward inside the three elliptical holes 13 respectively until the several vacuum suction cups 25 contact the carton. Then the vacuum pump 26 is started. The vacuum pump 26 extracts the air inside the several vacuum suction cups 25 through the ventilation assembly 27 and forms a negative pressure, thereby facilitating the several vacuum suction cups 25 to adsorb the bottom end of the carton, so that the carton can be fixed on the upper end of the printing table 1 to prevent the carton from shaking and deflecting during printing. There is no need to stop the machine frequently to adjust the carton, which reduces the operation time and workload, not only reduces the scrap rate and production cost, but also will not affect the printing quality and accuracy, and at the same time improves the overall production efficiency.
[0026] The protection shell 11 can protect the printing device 12 , and the support plate 14 can support the four sets of telescopic rods 28 .
[0027] Embodiment 2: Figure 2 , Figure 3 and Figure 4 As shown, the distance adjustment mechanism 3 includes a bidirectional cylinder 31, sliding L-shaped blocks 32 are slidably installed on both sides of the two groups of guide seats 22, special-shaped plates 33 are fixedly installed on the two protruding ends of the bidirectional cylinder 31, and two groups of limit blocks 34 are slidably installed in the reserved grooves on both sides of the two groups of guide seats 22. The other ends of the two groups of special-shaped plates 33 are respectively fixed to one end of the two groups of movable blocks 23, one side of the bidirectional cylinder 31 is fixed to one side of one group of guide seats 22, and the upper ends of the eight groups of limit blocks 34 are respectively fixed to the lower ends of the two groups of movable blocks 23.
[0028] The effect achieved by the entire embodiment is that the two-way cylinder 31 is started, and the two protruding ends of the two-way cylinder 31 respectively push the special-shaped plates 33 fixed thereto to move, and the two groups of special-shaped plates 33 drive the two groups of movable blocks 23 to move, and the two groups of movable blocks 23 drive the eight groups of sliding L-shaped blocks 32 to move, so that the eight groups of sliding L-shaped blocks 32 slide in the reserved grooves at both ends of the two groups of guide seats 22, respectively, and then can drive the two groups of movable blocks 23 to move on the upper ends of the two groups of guide seats 22, and the two groups of movable blocks 23 drive the plurality of groups of vacuum suction cups 25 to move in the three groups through the six groups of limit plates 24. The internal movement of the group of elliptical holes 13 can adjust the distance between the six groups of limit plates 24, facilitate the adjustment of the adsorption length of the vacuum suction cup 25, and can adsorb and fix cartons of different lengths. The arrangement of the eight groups of limit blocks 34, when the two groups of special-shaped plates 33 move, the two groups of special-shaped plates 33 can drive the two groups of limit blocks 34 to move, and make the two groups of limit blocks 34 slide in the reserved grooves at both ends of the two groups of guide seats 22 respectively, which can play an auxiliary role for the two groups of special-shaped plates 33, thereby improving the stability of the two groups of special-shaped plates 33 when moving.
[0029] The method of using and working principle of the device are as follows: first, the distance between several groups of vacuum suction cups 25 is adjusted according to the length of the carton, and the two-way cylinder 31 is started. The two protruding ends of the two-way cylinder 31 respectively push the special-shaped plates 33 fixed thereto to move, and the two groups of special-shaped plates 33 drive the two groups of movable blocks 23 to move, and the two groups of movable blocks 23 drive the eight groups of sliding L-shaped blocks 32 to move, so that the eight groups of sliding L-shaped blocks 32 slide in the reserved grooves at both ends of the two groups of guide seats 22, respectively, and then can drive the two groups of movable blocks 23 to move on the upper ends of the two groups of guide seats 22, and the two groups of movable blocks 23 drive several groups of vacuum suction cups 25 to move inside the three groups of elliptical holes 13 through the six groups of limiting plates 24, and can adjust the distance between the six groups of limiting plates 24, so as to facilitate the adjustment of the adsorption length of the vacuum suction cups 25, and then, The carton is placed on the printing table 1, and then the four groups of telescopic rods 28 are started to operate. The four groups of telescopic rods 28 push the two groups of guide seats 22 to move upward through the base 21. The two groups of guide seats 22 drive the six groups of limit plates 24 to move upward together through the two groups of movable blocks 23, so that the six groups of limit plates 24 drive several groups of vacuum suction cups 25 to move upward inside the three groups of elliptical holes 13 respectively until several groups of vacuum suction cups 25 contact the carton. Finally, the vacuum pump 26 is started. The vacuum pump 26 extracts the air inside the several groups of vacuum suction cups 25 through the ventilation assembly 27 and forms a negative pressure, which facilitates the several groups of vacuum suction cups 25 to adsorb the bottom end of the carton, and can fix the carton on the upper end of the printing table 1. Then the printing device 12 is operated to run, and the printing device 12 performs a printing operation on the carton on the printing table 1.
[0030] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A negative pressure carton printing machine, comprising a printing table (1) and a printing device (12), characterized in that: A protective shell (11) is fixedly mounted on the upper end of the printing table (1); three groups of elliptical holes (13) are formed through the upper end of the printing table (1); a suction mechanism (2) is disposed at the lower end of the printing table (1); and a distance adjustment mechanism (3) is disposed on one side of the suction mechanism (2); The adsorption mechanism (2) comprises a base (21) and two groups of movable blocks (23); a guide seat (22) is fixedly mounted on the upper end of the base (21) and close to the edges on both sides; three groups of limit plates (24) are fixedly mounted on the upper ends of the two groups of movable blocks (23); vacuum suction cups (25) are penetrated and mounted on the upper ends of the six groups of limit plates (24); a vacuum pump (26) is fixedly mounted on the lower end of the base (21); a suction end of the vacuum pump (26) is fixedly connected to a ventilation assembly (27); and four groups of telescopic rods (28) are fixedly mounted on the lower end of the base (21).
2. The negative pressure carton printing machine according to claim 1, characterized in that: The distance adjustment mechanism (3) comprises a bidirectional cylinder (31), both sides of the two groups of guide seats (22) are slidably mounted with sliding L-shaped blocks (32), and both protruding ends of the bidirectional cylinder (31) are fixedly mounted with special-shaped plates (33).
3. The negative pressure carton printing machine according to claim 1, characterized in that: The connection ends of the plurality of groups of vacuum suction cups (25) are respectively fixed to the plurality of groups of protruding ends of the ventilation assembly (27), and a support plate (14) is fixedly installed inside the lower part of the printing table (1).
4. The negative pressure carton printing machine according to claim 3, characterized in that: The lower ends of the two groups of movable blocks (23) are placed on the upper ends of the two groups of guide seats (22), and the upper parts of the several groups of vacuum suction cups (25) are respectively arranged inside the three groups of elliptical holes (13).
5. The negative pressure carton printing machine according to claim 3, characterized in that: The lower ends of the four groups of telescopic rods (28) are fixed to the upper end of the support plate (14), the lower end of the printing device (12) is fixed to the upper end of the printing table (1), and the printing device (12) is located inside the protective shell (11).
6. The negative pressure carton printing machine according to claim 2, characterized in that: Two groups of limit blocks (34) are slidably installed in the reserved grooves on both sides of the two groups of guide seats (22), and the other ends of the two groups of special-shaped plates (33) are respectively fixed to one end of the two groups of movable blocks (23).
7. The negative pressure carton printing machine according to claim 6, characterized in that: One side of the bidirectional cylinder (31) is fixed to one side of one group of guide seats (22), and the upper ends of the eight groups of limit blocks (34) are respectively fixed to the lower ends of the two groups of movable blocks (23).