Inflatable shaft assembly of digital printing machine

Abstract

The utility model discloses a digital calico printing machine inflatable shaft assembly, and relates to the field of digital calico printing machines, the digital calico printing machine inflatable shaft assembly comprises a machine case, a mounting plate is arranged on the lower part of one side of the machine case, a material roller is movably mounted on the mounting plate, a mounting groove is formed in the material roller, a push key is movably mounted in the mounting groove, and the push key is movably mounted in the mounting groove. An air inflation bag is installed in the material roller, the outer surface of the air inflation bag is attached to the lower portions of pushing keys, the pushing keys are matched with the installation grooves in size, and the multiple pushing keys and the multiple installation grooves are located on the material roller and evenly distributed in the circumferential direction. The air injection machine is connected with the air injection connector, air is inflated into the air inflation bag, the air inflation bag is gradually unfolded, then force is applied to the pushing key, the part of the pushing key is pushed out of the interior of the mounting groove, the diameter of the contact part of the material roller and the cloth is increased, and therefore the purpose of adjusting the tension degree of the cloth is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of digital printing machines, in particular to a digital printing machine air inflation shaft assembly. BACKGROUND

[0002] The digital printing machine is an industry of large-format printers, for example, a plotter is similar in the CAD field, ink characteristics are water-based dispersion ink, printing is performed on transfer paper, and then transferred to cloth through high temperature, and is mainly applied to printing and dyeing of clothing cloth, a digital printer prints a high-color image on a material surface without directly contacting the material, ensures the integrity of the printed material, performs printing and dyeing through ink jetting, and does not deform due to heat and pressure, and directly outputs printing through a computer without any preparation for printing in the early stage.

[0003] At present, when the digital printing machine discharges and receives materials, the tension between the receiving roller or the discharging roller and the printing platform cannot be adjusted due to the gravity of the cloth itself, so that the tension of the cloth is not enough, and the cloth may sag, which affects the printing effect and the printing integrity. CONTENT OF THE INVENTION

[0004] In order to solve the problem that the tension between the receiving roller or the discharging roller and the printing platform of the digital printing machine cannot be adjusted, so that the tension of the cloth is not enough, and the cloth may sag, the application provides a digital printing machine air inflation shaft assembly.

[0005] The digital printing machine air inflation shaft assembly provided by the application adopts the following technical scheme:

[0006] The machine box is provided with a mounting plate on one side of the lower part, a material roller is movably mounted on the mounting plate, a mounting groove is formed in the material roller, a push key is movably mounted in the mounting groove, an air inflation bag is mounted in the material roller, the outer surface of the air inflation bag is attached to the lower part of the push key, the size of the push key is matched with the size of the mounting groove, and a plurality of push keys and mounting grooves are evenly distributed on the material roller.

[0007] By connecting the air injector and the air injection connector, the air inflation bag is inflated, gradually expands, and then exerts force on the push key, so that part of the push key is pushed out of the mounting groove, the diameter of the contact part of the material roller and the cloth is increased, and the tension of the cloth is adjusted.

[0008] Preferably, a hollow rod core is mounted on the inner side of the air inflation bag, a plurality of air grooves are formed in the middle part of the hollow rod core and are circumferentially arranged.

[0009] By adopting the technical scheme, in the gas injection process, the gas first enters the inside of the hollow rod core, moves to the middle part of the hollow rod core, and then enters the space between the hollow rod core and the inflatable bag through the air passage.

[0010] Preferably, the middle part of the hollow rod core is provided with a partition plate on the side of the air passage, and the two ends of the partition plate are provided with trapezoidal plates.

[0011] By adopting the technical scheme, when the gas in one of the regions is filled first, the gas pressures in the multiple regions are different, the gas enters another region through the trapezoidal plate with a smaller width, and mixes with the gas in the other region, so that the gas pressures in the multiple regions are the same.

[0012] Preferably, the width of the trapezoidal plate gradually increases from one end to the middle part of the hollow rod core, and the number of the partition plates and the trapezoidal plates is multiple, and the multiple air passages are located between adjacent two partition plates.

[0013] By adopting the technical scheme, the space between the hollow rod core and the inflatable bag is divided into multiple regions by the multiple partition plates and trapezoidal plates, and the gas enters the multiple regions from the air passages.

[0014] Preferably, one end of the material roller is provided with a gas injection connector, and the gas injection hole of the gas injection connector is connected with the hollow rod core.

[0015] By adopting the technical scheme, the gas injection machine and the gas injection connector are connected, and the inflatable bag can be inflated.

[0016] Preferably, the other end of the material roller is connected with a driving motor, the output end of the driving motor is connected with the material roller, and the driving motor is connected to the mounting plate.

[0017] By adopting the technical scheme, the material roller is driven to rotate by the driving motor, the cloth is conveyed, and the cloth is conveyed to the printing platform.

[0018] Preferably, the cabinet is provided with a sliding rail, the mobile box is slidably connected to the sliding rail, the side of the mobile box is provided with a machine head, one side of the cabinet located on the sliding rail is provided with a printing platform, and the machine head is located at one end of the upper part of the printing platform.

[0019] By adopting the technical scheme, the machine head is driven to move by the mobile box, and the cloth on the printing platform is printed with a pattern.

[0020] Preferably, a first light curing lamp is installed on one side of the cabinet located on the printing platform, and a second light curing lamp is installed on the upper part of the material roller.

[0021] By adopting the technical scheme, the pattern is rapidly dried by the first light curing lamp and the second light curing lamp, and the overall use effect is improved.

[0022] To sum up, the present application has at least one of the following beneficial technical effects:

[0023] 1. The present application connects the air injector and the air injection connector, inflates the inside of the air bag, gradually expands the air bag, then applies force to the push key, pushes part of the push key out of the inside of the installation slot, increases the diameter of the contact part of the material roller and the cloth, so as to adjust the tension of the cloth;

[0024] 2. The present application divides the hollow rod core and the air bag into multiple areas by multiple partition plates and trapezoidal plates, gas enters the inside of multiple areas from the air inlet groove, when the gas in one area is filled first, the gas pressure in multiple areas is different, the gas enters another area through the small width of the trapezoidal plate, mixes with the gas in another area, so that the gas pressure in multiple areas is the same, so that the gas can be evenly distributed in the inside of the air bag, improving the overall practicability. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a whole structure schematic diagram of a digital printing machine air inflation shaft assembly of an embodiment of the present application;

[0026] Figure 2 It is a schematic diagram of the main structure of the material roller of an embodiment of the present application;

[0027] Figure 3 It is a schematic diagram of the side view structure of the material roller of an embodiment of the present application;

[0028] Figure 4 It is a schematic diagram of the internal structure of the material roller of an embodiment of the present application;

[0029] Figure 5 It is a schematic diagram of the internal structure of the material roller of an embodiment of the present application;

[0030] Reference signs: 1, case; 2, slide rail; 3, moving box; 4, machine head; 5, printing platform; 6, first light curing lamp; 7, second light curing lamp; 8, mounting plate; 9, material roller; 10, installation slot; 11, push key; 12, air bag; 13, hollow rod core; 14, air inlet groove; 15, partition plate; 16, trapezoidal plate; 17, air injection connector; 18, driving motor. DETAILED DESCRIPTION

[0031] The following will be described in detail in combination with the drawings Figures 1-5 The present application will be further described in detail.

[0032] The embodiment of the application discloses a digital printing machine air expansion shaft assembly, which comprises a machine box 1, a mounting plate 8 is arranged on the lower part of one side of the machine box 1, a material roller 9 is movably arranged on the mounting plate 8, a mounting groove 10 is formed in the material roller 9, a push key 11 is movably arranged in the mounting groove 10, an air inflation bag 12 is arranged in the material roller 9, the outer surface of the air inflation bag 12 is attached to the lower part of the push key 11, the air inflation bag 12 is gradually unfolded by inflating the inside of the air inflation bag 12, then force is applied to the push key 11, part of the push key 11 is pushed out from the inside of the mounting groove 10, the size of the push key 11 is matched with the size of the mounting groove 10, the number of the push key 11 and the mounting groove 10 is multiple, which are evenly distributed on the material roller 9, the other end of the material roller 9 is connected with a driving motor 18, the output end of the driving motor 18 is connected with the material roller 9, the driving motor 18 is connected to the mounting plate 8, the air injection machine and the air injection connector 17 are connected, the inside of the air inflation bag 12 is inflated, the air inflation bag 12 is gradually unfolded, then force is applied to the push key 11, part of the push key 11 is pushed out from the inside of the mounting groove 10, the diameter of the contact part of the material roller 9 and the cloth is increased, so that the tension of the cloth is adjusted.

[0033] Please refer to Figures 2 to 5 The middle part of the inside of the air inflation bag 12 is provided with a hollow rod core 13, the middle part of the hollow rod core 13 is provided with a plurality of air grooves 14 which are evenly arranged in a circle, the middle part of the hollow rod core 13 is provided with a partition plate 15 on the side of the air grooves 14, the two ends of the partition plate 15 are provided with trapezoidal plates 16, the width of the trapezoidal plates 16 gradually increases from one end to the middle part of the hollow rod core 13, the number of the partition plate 15 and the trapezoidal plate 16 is multiple, the plurality of air grooves 14 are arranged between the adjacent two partition plates 15, one end of the plurality of material rollers 9 is provided with an air injection connector 17, the air injection hole of the air injection connector 17 is connected with the hollow rod core 13, the hollow rod core 13 and the air inflation bag 12 are divided into multiple areas by the plurality of partition plates 15 and the trapezoidal plates 16, the gas enters the inside of the multiple areas from the air grooves 14, when the gas in one area is filled first, the gas pressure in the inside of the multiple areas is different, the gas enters another area through the smaller part of the trapezoidal plate 16, mixes with the gas in the other area, so that the gas pressure in the multiple areas is the same, so that the gas can be uniformly distributed in the inside of the air inflation bag 12.

[0034] Please refer to Figure 1The chassis 1 is provided with a slide rail 2, the mobile box 3 is slidably connected to the slide rail 2, the side of the mobile box 3 is provided with a machine head 4, the printing platform 5 is installed on one side of the chassis 1 and located below the slide rail 2, the machine head 4 is located at one end of the upper part of the printing platform 5, the first light curing lamp 6 is installed on one side of the printing platform 5, the second light curing lamp 7 is installed on the upper part of the material roller 9, the machine head 4 is driven to move by the mobile box 3, the pattern printing is carried out on the cloth on the printing platform 5, and the first light curing lamp 6 and the second light curing lamp 7 are used for quickly drying the pattern.

[0035] The implementation principle of the air inflation shaft assembly of the digital printing machine is as follows: the material roller 9 is driven to rotate by the driving motor 18, the cloth is conveyed to the printing platform 5, the machine head 4 is driven to move by the mobile box 3, the pattern printing is carried out on the cloth on the printing platform 5, the first light curing lamp 6 and the second light curing lamp 7 are used for quickly drying the pattern, when the tension of the cloth needs to be adjusted, the air injector and the air injection connecting head 17 are connected, the inside of the inflatable bag 12 is inflated, the inflatable bag 12 is gradually unfolded, then the pushing key 11 is forced, part of the pushing key 11 is pushed out from the inside of the installation groove 10, the diameter of the contact part of the material roller 9 and the cloth is increased, and thus the tension of the cloth is adjusted; during the air injection process, the gas first enters the inside of the hollow rod core 13, moves to the middle part of the hollow rod core 13, and then enters the space between the hollow rod core 13 and the inflatable bag 12 through the air inlet groove 14, the space between the hollow rod core 13 and the inflatable bag 12 is divided into multiple areas through the multiple partition plates 15 and the trapezoidal plates 16, the gas enters the inside of the multiple areas from the air inlet groove 14, when the gas in one of the multiple areas is filled first, the gas pressures in the multiple areas are different, the gas enters another area through the trapezoidal plate 16 with a smaller width, mixes with the gas in the other area, so that the gas pressures in the multiple areas are the same, and thus the gas can be uniformly distributed in the inside of the inflatable bag 12.

[0036] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A pneumatic shaft assembly for a digital printing machine, characterized in that: The device includes a housing (1), and a mounting plate (8) is provided on the lower part of one side of the housing (1). A material roller (9) is movably mounted on the mounting plate (8). A mounting groove (10) is provided on the material roller (9). A push key (11) is movably mounted inside the mounting groove (10). An air bladder (12) is installed inside the material roller (9). The outer surface of the air bladder (12) is in contact with the lower part of the push key (11). The size of the push key (11) is adapted to the size of the mounting groove (10). There are multiple push keys (11) and mounting grooves (10), which are located on the material roller (9) and are evenly distributed around the circumference.

2. The air shaft assembly for a digital printing machine according to claim 1, characterized in that: A hollow rod core (13) is installed in the middle of the inner side of the inflatable bladder (12). A ventilation groove (14) is opened in the middle of the hollow rod core (13). There are multiple ventilation grooves (14), which are opened in a circle.

3. The air shaft assembly for a digital printing machine according to claim 2, characterized in that: A partition plate (15) is installed on the side of the ventilation groove (14) at the middle of the hollow rod core (13), and trapezoidal plates (16) are installed at both ends of the partition plate (15).

4. The air shaft assembly for a digital printing machine according to claim 3, characterized in that: The width of the trapezoidal plate (16) gradually increases from one end to the middle of the hollow rod core (13). There are multiple partition plates (15) and trapezoidal plates (16), and multiple ventilation slots (14) are located between two adjacent partition plates (15).

5. The air shaft assembly for a digital printing machine according to claim 4, characterized in that: One end of each of the multiple material rollers (9) is equipped with an air injection connector (17), and the air injection hole of the air injection connector (17) is connected to the hollow rod core (13).

6. The air shaft assembly for a digital printing machine according to claim 1, characterized in that: The other end of the material roller (9) is connected to a drive motor (18), the output end of the drive motor (18) is connected to the material roller (9), and the drive motor (18) is connected to the mounting plate (8).

7. The air shaft assembly for a digital printing machine according to claim 6, characterized in that: The chassis (1) is equipped with a slide rail (2), and a movable box (3) is slidably connected to the slide rail (2). A machine head (4) is installed on the side of the movable box (3). A printing platform (5) is installed on one side of the slide rail (2) on the chassis (1), and the machine head (4) is located at the upper end of the printing platform (5).

8. The air shaft assembly for a digital printing machine according to claim 7, characterized in that: A first photocuring lamp (6) is installed on one side of the printing platform (5) on the chassis (1), and a second photocuring lamp (7) is installed on the upper part of the material roller (9) on the chassis (1).

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