Plastic tablecloth coating production system
By designing a tablecloth coating production system on a PVC plastic tablecloth production line, and using an extruder die head to directly coat the rollers for coating printing, combined with hot stamping, the limitations of existing coating methods have been overcome. This has enabled efficient coating printing and hot stamping, improving production efficiency and reducing labor intensity.
Patent Information
- Application Number
- CN202520151031.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing PVC plastic tablecloth production lines lack coating production systems that can directly coat coating rollers with coatings and quickly print them through extruders, and traditional coating methods limit the use of raw materials with high fluidity.
A plastic tablecloth coating production system was designed, including a tablecloth mounting rod, a fabric conveying roller group, a printing pressure roller, a coating roller, and a coating output roller group. The coating roller is directly connected to the extruder die head for coating printing, and hot stamping is combined with the hot-stamping process. The roller is heated by heat transfer oil and the temperature is controlled by cooling air knife.
It achieves a highly efficient combination of coating printing and hot stamping, improving production efficiency and reducing the labor intensity of workers.
Smart Images
Figure CN223574023U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tablecloth production equipment, specifically to a plastic tablecloth coating production system. Background Technology
[0002] Currently, on PVC plastic tablecloth production lines, coating is mostly applied to coating rollers immersed in a coating tank. This coating method does not allow for the use of raw materials with high fluidity and has a low concentration. There is a lack of coating production systems that can directly coat the coating rollers through an extruder and then quickly print the coating onto the rollers before outputting it to the hot stamping station for hot stamping. Utility Model Content
[0003] The purpose of this invention is to address the above-mentioned shortcomings by providing a plastic tablecloth coating production system.
[0004] This utility model includes a tablecloth mounting rod, a fabric conveying roller assembly, a printing pressure roller, a coating roller, and a coating output roller assembly.
[0005] The tablecloth mounting rod and the fabric conveying roller assembly are respectively installed on the top of the machine frame. The fabric conveying roller assembly is located on one side of the tablecloth mounting rod. The printing pressure roller, coating roller, and coating output roller assembly are respectively installed in the middle of the machine frame. The printing pressure roller is located above the coating roller, and the coating output roller assembly is located on one side of the printing pressure roller. The tablecloth roll is installed on the tablecloth mounting rod. The fabric output from the tablecloth mounting rod is guided and conveyed by the fabric conveying roller assembly and then enters the area between the printing pressure roller and the coating roller for coating printing. After coating printing, it is output through the coating output roller assembly.
[0006] The fabric conveying roller assembly includes a first raw material roller, a pair of flattening rollers, a second raw material roller, and a third raw material roller arranged sequentially on the frame. The fabric output from the tablecloth mounting rod is conveyed through the first raw material roller to the pair of flattening rollers, and then output through the second and third raw material rollers in sequence.
[0007] A tensioning rod and a fourth material roller are installed on the frame on one side of the printing pressure roller. The fabric output from the third material roller is conveyed between the printing pressure roller and the coating roller through the tensioning rod and the fourth material roller.
[0008] The coating output roller assembly includes a first coating roller, a second coating roller, a third coating roller, and a fourth coating roller arranged sequentially on the frame. The fabric output between the printing roller and the coating roller passes through the first coating roller, the second coating roller, the third coating roller, and the fourth coating roller in sequence.
[0009] A first cooling air knife is installed on the frame below the second and third coating rollers, and a second cooling air knife is installed on the frame above the third and fourth coating rollers.
[0010] The output end of the coating output roller assembly is equipped with a hot stamping conveyor roller assembly and a hot stamping material roller assembly.
[0011] The hot stamping conveyor roller assembly includes a first hot stamping feed roller, a second hot stamping feed roller, a third hot stamping feed roller, a fourth hot stamping feed roller, a hot stamping pressure roller, a first hot stamping output roller, a second hot stamping output roller, and a third hot stamping output roller, all mounted on the frame. The fabric output from the coating output roller assembly passes sequentially through the first hot stamping feed roller, the second hot stamping feed roller, the third hot stamping feed roller, and the fourth hot stamping feed roller into the area below the hot stamping pressure roller, and is then output through the first hot stamping output roller, the second hot stamping output roller, and the third hot stamping output roller.
[0012] The hot stamping material roller assembly includes a hot stamping roll mounting rod, a first hot stamping guide roller, a heated hot stamping roller, a second hot stamping guide roller, and a waste material winding roller, all mounted on the frame. The hot stamping paper roll is mounted on the hot stamping roll mounting rod. The hot stamping paper output from the hot stamping roll mounting rod passes through the first hot stamping guide roller and enters the space between the heated hot stamping roller and the hot stamping pressure roller for hot pressing. The waste paper output from the heated hot stamping roller is conveyed through the second hot stamping guide roller to the waste material winding roller for winding and collection.
[0013] A third cooling air knife is installed on the frame above the first hot stamping output roller, and a fourth cooling air knife is installed on the frame below the second and third hot stamping output rollers.
[0014] Both the coating roller and the hot stamping roller are heated by heat transfer oil. Each of the coating roller and the hot stamping roller has a rotary joint at one end, and they are driven to rotate by a motor and a reducer, respectively.
[0015] The printing roller and the hot stamping roller are mounted on the frame at both ends via lifting bearing seats. The bearings in the lifting bearing seats are raised or lowered along the slide rail by a cylinder, so that the printing roller is closer to or away from the coating roller, and the hot stamping roller is closer to or away from the heated hot stamping roller.
[0016] An extruder is installed on one side of the printing roller, and the extrusion end of the extruder's die head is attached to the roller surface of the printing roller.
[0017] The advantages of this invention are: the extruder die head directly connects to the coating roller, resulting in fast printing, hot stamping and heat transfer speeds, and reducing the labor intensity of workers. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model.
[0019] Figure 2 This is a side view structural diagram of the present invention. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0021] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.
[0022] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0023] In the description of the embodiments of this invention, it should be noted that if terms such as "upper," "lower," "inner," or "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, they are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, if terms such as "first" or "second" appear in the description of this invention, they are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0024] In the description of the embodiments of the present invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention based on the specific circumstances.
[0025] As shown in the attached diagram, this utility model includes a tablecloth mounting rod 1, a fabric conveying roller assembly, a printing pressure roller 2, a coating roller 3, and a coating output roller assembly.
[0026] The tablecloth mounting rod 1 and the fabric conveying roller assembly are respectively installed on the top of the frame 100. The fabric conveying roller assembly is located on one side of the tablecloth mounting rod 1. The printing pressure roller 2, the coating roller 3 and the coating output roller assembly are respectively installed in the middle of the frame 100. The printing pressure roller 2 is located above the coating roller 3, and the coating output roller assembly is located on one side of the printing pressure roller 2. The tablecloth roll is installed on the tablecloth mounting rod 1. After the fabric output from the tablecloth mounting rod 1 is guided and conveyed by the fabric conveying roller assembly, it enters the area between the printing pressure roller 2 and the coating roller 3 for coating printing. After coating printing, it is output through the coating output roller assembly.
[0027] The fabric conveying roller assembly includes a first raw material roller 4, a pair of flattening rollers 5, a second raw material roller 6, and a third raw material roller 7 arranged sequentially on the frame 100. The fabric output from the tablecloth mounting rod 1 is conveyed through the first raw material roller 4 to the pair of flattening rollers 5, and then output sequentially through the second raw material roller 6 and the third raw material roller 7.
[0028] The printing roller 2 is equipped with a tensioning rod 8 and a fourth material roller 9 on one side of the frame. The fabric output from the third material roller 7 is conveyed between the printing roller 2 and the coating roller 3 through the tensioning rod 8 and the fourth material roller 9.
[0029] The coating output roller group includes a first coating roller 10, a second coating roller 11, a third coating roller 12 and a fourth coating roller 13 arranged sequentially on the frame 100. The fabric output between the printing pressure roller 2 and the coating roller 3 passes through the first coating roller 10, the second coating roller 11, the third coating roller 12 and the fourth coating roller 13 in sequence.
[0030] A first cooling air knife 28 is provided on the frame 100 below the second coating roller 11 and the third coating roller 12, and a second cooling air knife 29 is provided on the frame 100 above the third coating roller 12 and the fourth coating roller 13.
[0031] The output end of the coating output roller assembly is equipped with a hot stamping conveyor roller assembly and a hot stamping material roller assembly.
[0032] The hot stamping conveyor roller assembly includes a first hot stamping feed roller 14, a second hot stamping feed roller 15, a third hot stamping feed roller 16, a fourth hot stamping feed roller 17, a hot stamping pressure roller 18, a first hot stamping output roller 19, a second hot stamping output roller 20, and a third hot stamping output roller 21 mounted on the frame 100. The fabric output from the coating output roller assembly passes sequentially through the first hot stamping feed roller 14, the second hot stamping feed roller 15, the third hot stamping feed roller 16, and the fourth hot stamping feed roller 17 into the area below the hot stamping pressure roller 18, and then is output through the first hot stamping output roller 19, the second hot stamping output roller 20, and the third hot stamping output roller 21.
[0033] The hot stamping material roller assembly includes a hot stamping roll mounting rod 22, a first hot stamping guide roller 23, a heating hot stamping roller 24, a second hot stamping guide roller 25, and a waste material winding roller 26, all mounted on the frame 100. The hot stamping paper roll is mounted on the hot stamping roll mounting rod 22. The hot stamping paper output from the hot stamping roll mounting rod 22 passes through the first hot stamping guide roller 23 and enters the space between the heating hot stamping roller 24 and the hot stamping pressure roller 18 for hot pressing. The waste paper output from the heating hot stamping roller 24 is conveyed to the waste material winding roller 26 for winding and collection via the second hot stamping guide roller 25.
[0034] A third cooling air knife 30 is provided on the frame 100 above the first hot stamping output roller 19, and a fourth cooling air knife 31 is provided on the frame 100 below the space between the second hot stamping output roller 20 and the third hot stamping output roller 21.
[0035] Both the coating roller 3 and the hot stamping roller 24 are heated by heat transfer oil. One end of the coating roller 3 and the hot stamping roller 24 are respectively provided with a rotary joint, and the coating roller 3 and the hot stamping roller 24 are driven to rotate by a motor and a reducer, respectively.
[0036] The printing roller 2 and the hot stamping roller 18 are respectively mounted on the frame 100 through lifting bearing seats. The bearings in the lifting bearing seats are raised or lowered along the slide rail by the cylinder 32, so that the printing roller 2 is closer to or away from the coating roller 3, and the hot stamping roller 18 is closer to or away from the heating hot stamping roller 24.
[0037] An extruder 27 is provided on one side of the printing roller 2, and the extrusion end of the die head of the extruder 27 is attached to the roller surface of the printing roller 2.
[0038] Example 1: The tablecloth roll is installed on the tablecloth mounting rod 1. The tablecloth output from the tablecloth roll is conveyed through the first raw material roller 4 to a pair of flattening rollers 5 for flattening. The flattened tablecloth is then conveyed sequentially through the second raw material roller 6 and the third raw material roller 7 to the tensioning raw material rod 8 and the fourth raw material roller 9. The tablecloth output from the fourth raw material roller 9 enters between the printing pressure roller 2 and the coating roller 3. The printing material output from the extruder 27 is applied to the outer wall of the coating roller 3, and a pattern is printed on the outer wall of the coating roller 3. Driven by the cylinder 32, the printing pressure roller 2 presses the tablecloth onto the coating roller 3. As the printing pressure roller 2 and the coating roller 3 rotate, the pattern is continuously printed onto the tablecloth. The printed tablecloth is then conveyed sequentially through the first coating roller 10, the second coating roller 11, the third coating roller 12, and the fourth coating roller 13. During the conveying process, it passes through the first cooling air knife 2. 8. The second cooling air knife 29 is used for air cooling to set the printing. Then, the tablecloth is guided and conveyed by the first hot stamping feed roller 14, the second hot stamping feed roller 15, the third hot stamping feed roller 16 and the fourth hot stamping feed roller 17 to the hot stamping pressure roller 18 and the heating hot stamping roller 24. The hot stamping roll is installed on the hot stamping roll mounting rod 22. The hot stamping paper output from the hot stamping roll is guided and conveyed by the first hot stamping guide roller 23 to the heating hot stamping roller 24 and the hot stamping pressure roller 18. The hot stamping paper is located below the tablecloth. Under the drive of the cylinder 32, the hot stamping pressure roller 18 moves down and presses on the heating hot stamping roller 24 to heat transfer the hot stamping paper onto the tablecloth. The hot stamped tablecloth is output sequentially by the first hot stamping output roller 19, the second hot stamping output roller 20 and the third hot stamping output roller 21. During the output process, it is cooled by the third cooling air knife 30 and the fourth cooling air knife 31. The waste paper generated after hot stamping is conveyed by the second hot stamping guide roller 25 to the waste material winding roller 26 for winding and collection.
Claims
1. A plastic tablecloth coating production system characterized by The cloth mounting rod (1), the cloth conveying roller group, the printing pressure roller (2), the coating roller (3) and the coating output roller group, The cloth mounting rod (1) and the cloth conveying roller group are respectively installed on the top of the rack (100), the cloth conveying roller group is located on one side of the cloth mounting rod (1), the printing pressure roller (2), the coating roller (3) and the coating output roller group are respectively installed in the middle of the rack (100), the printing pressure roller (2) is located above the coating roller (3), the coating output roller group is located on one side of the printing pressure roller (2), the cloth roll is installed on the cloth mounting rod (1), the cloth output by the cloth mounting rod (1) is guided and conveyed through the cloth conveying roller group, then enters between the printing pressure roller (2) and the coating roller (3) for printing and coating, and after printing and coating, is output through the coating output roller group.
2. A plastic tablecloth coating production system according to claim 1, wherein, The cloth conveying roller group comprises a first raw material roller (4), a pair of flattening rollers (5), a second raw material roller (6) and a third raw material roller (7) which are sequentially arranged and installed on the rack (100), the cloth output by the cloth mounting rod (1) is conveyed to between the pair of flattening rollers (5) through the first raw material roller (4), and then is sequentially output through the second raw material roller (6) and the third raw material roller (7).
3. A plastic tablecloth coating production system according to claim 2, wherein, A tensioning raw material rod (8) and a fourth raw material roller (9) are arranged on the rack on one side of the printing pressure roller (2), and the cloth output by the third raw material roller (7) is conveyed to between the printing pressure roller (2) and the coating roller (3) through the tensioning raw material rod (8) and the fourth raw material roller (9).
4. A plastic tablecloth coating production system according to claim 3, wherein, The coating output roller group comprises a first coating roller (10), a second coating roller (11), a third coating roller (12) and a fourth coating roller (13) which are sequentially arranged and installed on the rack (100), and the cloth output between the printing pressure roller (2) and the coating roller (3) is sequentially output through the first coating roller (10), the second coating roller (11), the third coating roller (12) and the fourth coating roller (13).
5. A plastic tablecloth coating production system according to claim 4, wherein, A first cooling air knife (28) is arranged on the rack (100) below between the second coating roller (11) and the third coating roller (12), and a second cooling air knife (29) is arranged on the rack (100) above between the third coating roller (12) and the fourth coating roller (13).
6. The plastic tablecloth coating production system of claim 1, wherein, The output end of the coating output roller group is provided with a gold stamping conveying roller group and a gold stamping raw material roller group, The gold stamping conveying roller group comprises a first gold stamping feeding roller (14), a second gold stamping feeding roller (15), a third gold stamping feeding roller (16), a fourth gold stamping feeding roller (17), a gold stamping pressure roller (18), a first gold stamping discharging roller (19), a second gold stamping discharging roller (20) and a third gold stamping discharging roller (21) which are installed on the rack (100), the cloth output by the coating output roller group is sequentially output through the first gold stamping feeding roller (14), the second gold stamping feeding roller (15), the third gold stamping feeding roller (16) and the fourth gold stamping feeding roller (17) below the gold stamping pressure roller (18), and then is output through the first gold stamping discharging roller (19), the second gold stamping discharging roller (20) and the third gold stamping discharging roller (21); The gilding raw material roller set comprises a gilding roll mounting rod (22), a first gilding guide roller (23), a heated gilding roller (24), a second gilding guide roller (25) and a waste material winding roller (26) mounted on the frame (100), the gilding paper roll is mounted on the gilding roll mounting rod (22), the gilding paper output from the gilding roll mounting rod (22) passes through the first gilding guide roller (23) and enters the hot pressing between the heated gilding roller (24) and the gilding pressure roller (18), the waste paper output from the heated gilding roller (24) is conveyed to the waste material winding roller (26) through the second gilding guide roller (25) and is wound and collected.
7. A plastic tablecloth coating production system according to claim 6, wherein, The frame (100) above the first gilding discharge roller (19) is provided with a third cooling air knife (30), and the frame (100) below the second gilding discharge roller (20) and the third gilding discharge roller (21) is provided with a fourth cooling air knife (31).
8. A plastic tablecloth coating production system according to claim 7, wherein, The coating roller (3) and the heated gilding roller (24) are both heat-conducting oil heating rollers, one end of the coating roller (3) and the heated gilding roller (24) is respectively provided with a rotary joint, and the coating roller (3) and the heated gilding roller (24) are respectively driven to rotate by a motor and a speed reducer.
9. A plastic tablecloth coating production system according to claim 8, wherein, The two ends of the printing pressure roller (2) and the gilding pressure roller (18) are respectively mounted on the frame (100) through lifting bearing seats, the bearing in the lifting bearing seat is driven by the air cylinder (32) to rise or fall along the slide rail, so that the printing pressure roller (2) is close to or away from the coating roller (3), and the gilding pressure roller (18) is close to or away from the heated gilding roller (24).
10. The plastic tablecloth coating production system of claim 1, wherein, The printing pressure roller (2) is provided with an extruder (27) on one side, and the die extrusion end of the extruder (27) is attached to the roller surface of the printing pressure roller (2).