Automatic napkin printing equipment

Abstract

The utility model discloses an automatic napkin printing device which comprises a working platform, a conveying unit, a feeding unit and a printing unit, the conveying unit is located in the middle of the working platform, the feeding unit and the printing unit are located above the working platform, and the working platform comprises a supporting cross beam and supporting legs. The supporting legs are arranged at the bottom of the supporting cross beam, the printing unit comprises a printing block and an ink box, the printing block is sleeved with a printing box, the top of the printing box is connected with a guide pipe, the other end of the guide pipe is connected to the bottom of the ink box, and the ink box is communicated with the printing box through the guide pipe. The automatic napkin printing equipment has the advantages that the feeding unit is arranged on the automatic napkin printing equipment and comprises the vacuum pump and the vacuum pipe, suction force generated by the vacuum pump is utilized, napkins are sucked and fed through the vacuum pipe, one piece of napkin is fed at a time, and it is guaranteed that feeding is uniform, convenient and rapid.

Description

Technical Field

[0001] The utility model relates to a printing device, in particular to an automatic napkin printing device, belonging to the technical field of automatic printing. Background Technique

[0002] Napkin printing refers to the decorative process of printing or drawing patterns, patterns, words, etc. on napkins. This kind of decoration can be commercial printing, used to add personalized or themed elements in restaurants, cafes or banquets. It can also be a personal handicraft, used for family gatherings, parties or other special occasions. The methods of napkin printing can include traditional printing techniques, such as screen printing or offset printing, or modern digital printing techniques. The printed patterns can be customized according to needs, covering various themes and styles, such as flowers, animals, festivals, brand trademarks, and so on.

[0003] At present, when the existing napkin printing devices are in use, generally, the manual feeding method is adopted to put the napkins to be printed onto the napkin printing devices; and the existing napkin printing devices usually use a conveyor belt structure to convey the napkins, and use a lifting structure to drive the printing plate to move up and down to print the napkins, and the printing plate is usually a fixed structure.

[0004] The manual feeding method requires a large amount of labor, and it is impossible to ensure uniform and rapid feeding, increasing the labor cost and the production efficiency cannot be improved; the printing plate is set as a fixed structure, which is not convenient for quickly replacing the printing plates with different patterns and cannot quickly meet different printing requirements. Content of the Utility Model

[0005] The purpose of the utility model is to provide an automatic napkin printing device in order to solve the above problems.

[0006] The utility model realizes the above purpose through the following technical solutions. An automatic napkin printing device includes a working platform, a transmission unit, a feeding unit and a printing unit. The transmission unit is located in the middle of the working platform, and the feeding unit and the printing unit are located above the working platform. The working platform includes a support cross beam and support legs, and the support legs are arranged at the bottom of the support cross beam. The printing unit includes a printing block and an ink cartridge. The printing block is sleeved with an ink box, the top of the ink box is connected with a conduit, and the other end of the conduit is connected to the bottom of the ink cartridge. The ink cartridge is connected to the ink box through the conduit.

[0007] Preferably, a feeding table and a discharging table are arranged on the outer side of the support legs, and the bottoms of the feeding table and the discharging table are connected to the tops of the support legs.

[0008] Preferably, the transmission unit includes a conveyor belt and support roller shafts. The conveyor belt is inserted with a power roller shaft and a linkage roller shaft. The two ends of the power roller shaft and the linkage roller shaft are movably inserted into the support cross beam. The support roller shafts are inserted into the interior of the conveyor belt, and the two ends of the support roller shafts are movably inserted into the support cross beam.

[0009] Preferably, the feeding unit includes a support frame and a connecting block. A sliding guide rod is arranged inside the support frame. The sliding guide rod is sleeved with a horizontal connecting rod. The connecting block is arranged on the horizontal connecting rod. There is a horizontal hydraulic rod on the side of the connecting block, and the other end of the horizontal hydraulic rod is fixed inside the support frame.

[0010] Preferably, a vertical hydraulic rod is arranged at the bottom of the connecting block. A fixing piece is arranged at the output end of the vertical hydraulic rod. A vacuum pump is arranged on the top of the fixing piece. A vacuum tube is inserted into the fixing piece, and the vacuum pump is connected to the vacuum tube.

[0011] Preferably, the top of the printing box is connected with a printing hydraulic rod, and the other end of the printing hydraulic rod is connected with a box board, and the box board is arranged on the top of the support cross beam.

[0012] Preferably, the printing unit further includes a cross frame. A vertical rod is arranged at the bottom of the cross frame, and the vertical rod is arranged on the top of the support cross beam. A connecting rod is further arranged at the bottom of the cross frame. A pressing strip is arranged at the top of the connecting rod, and the pressing strip is in contact with the top of the conveyor belt.

[0013] The beneficial effects of the present utility model are as follows: The automatic napkin printing device of the present utility model is provided with a feeding unit. The feeding unit includes a vacuum pump and a vacuum tube. By using the suction force generated by the vacuum pump, the vacuum tube is used to suck and feed the napkin, and one napkin is fed each time, ensuring uniform feeding and being convenient and fast. The automatic napkin printing device is also provided with a detachable printing block, which can be replaced with different printing blocks according to different usage requirements, being convenient and fast and meeting the requirements of quickly realizing different prints. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a partial structural schematic diagram of the printing unit of the present utility model;

[0016] Figure 3 is a partial structural sectional view of the printing unit of the present utility model.

[0017] In the figure: 1. Working platform; 11. Support cross beam; 12. Support leg; 13. Loading table; 14. Unloading table; 2. Transmission unit; 21. Conveyor belt; 22. Driving roller shaft; 23. Support roller shaft; 24. Linkage roller shaft; 3. Loading unit; 31. Support frame; 32. Sliding guide rod; 33. Horizontal connecting rod; 34. Connecting block; 35. Horizontal hydraulic rod; 36. Vertical hydraulic rod; 361. Fixing part; 37. Vacuum pump; 371. Vacuum tube; 4. Printing unit; 41. Box board; 42. Printing hydraulic rod; 43. Ink cartridge; 431. Conduit; 44. Printing box; 441. Printing block; 45. Horizontal frame; 451. Vertical rod; 452. Connecting rod; 453. Pressing strip. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] An embodiment of the present invention discloses an automatic napkin printing device.

[0020] According to the attached Figures 1-3 As shown, an automatic napkin printing device includes a working platform 1, a transmission unit 2, a loading unit 3, and a printing unit 4. The transmission unit 2 is located in the middle of the working platform 1, and the loading unit 3 and the printing unit 4 are located above the working platform 1. The working platform 1 includes a support cross beam 11 and support legs 12. The support legs 12 are arranged at the bottom of the support cross beam 11. The printing unit 4 includes a printing block 441 and an ink cartridge 43. The printing block 441 is sleeved with a printing box 44. The top of the printing box 44 is connected with a conduit 431, and the other end of the conduit 431 is connected to the bottom of the ink cartridge 43. The ink cartridge 43 is connected to the printing box 44 through the conduit 431.

[0021] The automatic napkin printing device is provided with a loading unit 3. The loading unit 3 includes a vacuum pump 37 and a vacuum tube 371. Using the suction force generated by the vacuum pump 37, the vacuum tube 371 is used to suck and load the napkin. One napkin is loaded at a time, ensuring uniform loading and being convenient and fast. The automatic napkin printing device is also provided with a detachable printing block 441, which can be replaced with different printing blocks 441 according to different usage requirements, being convenient and fast and meeting the needs of quickly realizing different prints.

[0022] Further, a loading table 13 and an unloading table 14 are arranged on the outer side of the support legs 12. The bottoms of the loading table 13 and the unloading table 14 are connected to the tops of the support legs 12.

[0023] Further, the transmission unit 2 includes a conveyor belt 21 and support rollers 23. The conveyor belt 21 is inserted with a power roller 22 and a linkage roller 24. Both ends of the power roller 22 and the linkage roller 24 are movably inserted into the support cross beam 11. The support rollers 23 are inserted into the interior of the conveyor belt 21, and both ends of the support rollers 23 are movably inserted into the support cross beam 11.

[0024] It should be emphasized that the feeding unit 3 includes a support frame 31 and a connecting block 34. A sliding guide rod 32 is arranged inside the support frame 31. The sliding guide rod 32 is sleeved with a cross connecting rod 33. The connecting block 34 is arranged on the cross connecting rod 33. There is a horizontal hydraulic rod 35 on the side of the connecting block 34. The other end of the horizontal hydraulic rod 35 is fixed to the inside of the support frame 31.

[0025] It should be emphasized that a vertical hydraulic rod 36 is arranged at the bottom of the connecting block 34. A fixing member 361 is arranged at the output end of the vertical hydraulic rod 36. A vacuum pump 37 is arranged at the top of the fixing member 361. The fixing member 361 is inserted with a vacuum tube 371. The vacuum pump 37 is connected to the vacuum tube 371.

[0026] It is particularly emphasized that a printing hydraulic rod 42 is connected to the top of the printing box 44. The other end of the printing hydraulic rod 42 is connected to a box plate 41. The box plate 41 is arranged on the top of the support cross beam 11.

[0027] It is particularly emphasized that the printing unit 4 further includes a cross frame 45. A vertical rod 451 is arranged at the bottom of the cross frame 45. The vertical rod 451 is arranged on the top of the support cross beam 11. A connecting rod 452 is further arranged at the bottom of the cross frame 45. A pressing strip 453 is arranged at the top of the connecting rod 452. The pressing strip 453 is in contact with the top of the conveyor belt 21.

[0028] Working principle: First, stack the napkins to be printed on the loading table 13; then start the device. The feeding unit 3 starts to work. The vertical hydraulic rod 36 drives the vacuum tube 371 to move downward. The vacuum tube 371 sucks the napkin. The vertical hydraulic rod 36 drives the vacuum tube 371 to move upward. The horizontal hydraulic rod 35 drives the vertical hydraulic rod 36 to move leftward, so that the vacuum tube 371 drives the napkin to move above the conveyor belt 21, and then place the napkin on the conveyor belt 21. The conveyor belt 21 drives the napkin to move leftward. The napkin is pressed and fixed by the pressing strip 453. When the napkin moves right below the printing block 441, the printing hydraulic rod 42 drives the printing block 441 to perform printing processing on the napkin. The printed napkin continues to be transported to the unloading table 14 by the conveyor belt 21.

[0029] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An automatic napkin printing device, comprising a working platform (1), a transmission unit (2), a feeding unit (3) and a printing unit (4), wherein the transmission unit (2) is located in the middle of the working platform (1), and the feeding unit (3) and the printing unit (4) are located above the working platform (1), characterized in that, The working platform (1) includes a support cross beam (11) and support legs (12). The support legs (12) are arranged at the bottom of the support cross beam (11). The printing unit (4) includes a printing block (441) and an ink cartridge (43). The printing block (441) is sleeved with an ink box (44). A conduit (431) is connected to the top of the ink box (44), and the other end of the conduit (431) is connected to the bottom of the ink cartridge (43). The ink cartridge (43) is communicated with the ink box (44) through the conduit (431).

2. The automatic napkin printing device according to claim 1, characterized in that, A loading table (13) and an unloading table (14) are arranged on the outer side of the support legs (12). The bottoms of the loading table (13) and the unloading table (14) are connected to the tops of the support legs (12).

3. The automatic napkin printing device according to claim 1, characterized in that, The transmission unit (2) includes a conveyor belt (21) and support roller shafts (23). The conveyor belt (21) is inserted with a driving roller shaft (22) and a linkage roller shaft (24). The two ends of the driving roller shaft (22) and the linkage roller shaft (24) are movably inserted on the support cross beam (11). The support roller shafts (23) are inserted inside the conveyor belt (21), and the two ends of the support roller shafts (23) are movably inserted on the support cross beam (11).

4. An automatic napkin printing device according to claim 1, characterized in that, The loading unit (3) includes a support frame (31) and a connecting block (34). A sliding guide rod (32) is arranged inside the support frame (31). A cross connecting rod (33) is sleeved on the sliding guide rod (32). The connecting block (34) is arranged on the cross connecting rod (33). A horizontal hydraulic rod (35) is arranged on the side of the connecting block (34), and the other end of the horizontal hydraulic rod (35) is fixed inside the support frame (31).

5. An automatic napkin printing device according to claim 4, characterized in that, A vertical hydraulic rod (36) is arranged at the bottom of the connecting block (34). A fixing member (361) is arranged at the output end of the vertical hydraulic rod (36). A vacuum pump (37) is arranged on the top of the fixing member (361). A vacuum tube (371) is inserted into the fixing member (361). The vacuum pump (37) is connected to the vacuum tube (371).

6. The automatic napkin printing device according to claim 1, characterized in that, A printing hydraulic rod (42) is connected to the top of the ink box (44). The other end of the printing hydraulic rod (42) is connected to a box board (41). The box board (41) is arranged on the top of the support cross beam (11).

7. The automatic napkin printing device according to claim 1, characterized in that, The printing unit (4) further includes a cross frame (45). A vertical rod (451) is arranged at the bottom of the cross frame (45). The vertical rod (451) is arranged on the top of the support cross beam (11). A connecting rod (452) is further arranged at the bottom of the cross frame (45). A pressing strip (453) is arranged on the top of the connecting rod (452). The pressing strip (453) is in contact with the top of the conveyor belt (21).

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