Real silk flat screen wide-width printing process and equipment

Abstract

The invention discloses a real silk flat screen wide-width printing process and equipment, and relates to the technical field of printing processes, and the real silk flat screen wide-width printing process comprises the following specific steps: step 1, preparing color paste: 40-60 g / L of sodium alginate, 3-6 g / L of sodium hexametaphosphate, 8-12 g / L of baking soda, 60-85 g / L of urea, 10-20 g / L of reserve salt, 2-3 g / L of anionic surfactant, 20-30 g / L of sodium sulfate, 2-4 g / L of sodium carbonate and 0.2-4% owf of reactive dye; 2, preparing a fabric and preparing a flat screen printing plate; 3, flat screen printing; step 4, performing an ageing process; and step 5, washing and color fixing. According to the invention, by improving the ratio of the color paste, the color printed by the flat screen has high consistency in effect, color yield, permeability and hand feeling no matter on a sample or on a bulk cargo, the problem that the bulk cargo is difficult to replay is solved, and the printed pattern is clear in outline, full in color yield and relatively strong in three-dimensional layering sense, so that the process quality and stability are improved.

Description

Technical Field

[0001] The invention relates to the technical field of printing technology, in particular to a silk flat-net wide-width printing technology and equipment. Background Art

[0002] The process of silk flat screen wide-width printing is relatively complex, and the production efficiency is lower than that of digital printing, but the pattern effect is clear, realistic, and full of three-dimensional dynamics, which is incomparable to the current digital products. The shortcomings of the flat screen printing process are: there are many factors that affect the process quality, the process changes greatly, and the equipment used during production, the printing parameters used, the raw material selection, the color paste preparation and other factors from small samples to large-scale production bring many uncontrollable variables to the printing. In order to achieve the purpose of improving the stability of the process, the silk flat screen wide-width printing process and equipment are provided. Summary of the invention

[0003] The purpose of the present invention is to provide a silk flat screen wide-width printing process and equipment in order to achieve the purpose of improving process stability.

[0004] To achieve the above object, the present invention provides the following technical solution: a silk flat screen wide-width printing process, comprising the following steps: Step 1: Prepare the color paste according to the following components: sodium alginate 40-60g / L, sodium hexametaphosphate 3-6g / L, baking soda 8-12g / L, urea 60-85g / L, resist salt 10-20g / L, anionic surfactant 2-3g / L, sodium sulfate 20-30g / L, sodium carbonate 2-4g / L, reactive dye 0.2-4%owf; Step 2: prepare the fabric and prepare the flat screen printing plate, and fix the fabric on the conveyor belt of the silk flat screen wide-width printing equipment; prepare one or more printing plates according to the fabric pattern to be printed, and fix the printing plates on the silk flat screen wide-width printing equipment; Step 3: Flat screen printing: Use a polyurethane brush frame to perform flat screen printing at a temperature of 55°C; Step 4: Steaming process: The fabric printed in step 3 is steamed at a speed of 18 m / min, at a temperature of 102° C. and a pressure of 1.2 MPa for 10 min; Step 5: Water washing process: Use 95℃ water for soap washing to achieve the effect of color fixation.

[0005] As a further embodiment of the present invention: the anionic surfactant is a phosphate type anionic surfactant.

[0006] The silk flat screen wide-width printing process equipment described in the present invention comprises a pulping machine used in step one, a silk flat screen wide-width printing equipment used in steps two and three, a steaming equipment used in step four and a washing equipment used in step five; wherein, the silk flat screen wide-width printing equipment comprises a mounting seat, a conveyor belt is mounted on the mounting seat, at least one printing function group is arranged above the mounting seat along the conveying direction of the conveyor belt, and each printing function group can complete a single-color flat screen printing operation; the printing function group comprises a mounting frame, a mounting frame is fixedly connected to a mounting frame at the bottom end of the mounting frame, a printing plate is fixedly connected to an outer wall of the mounting frame, a brush frame is slidably connected to the mounting frame, a paint groove is provided on the outer wall of the brush frame with a plurality of paint holes at the bottom, the brush frame is moved by a displacement mechanism, and the paint is injected into the coating frame by a feeding mechanism. The cam is an assembly made of a plurality of movable parts, each of which is connected to a pair of movable parts, and the movable part is connected to a pair of movable parts in a pair of movable parts.

[0007] As a further scheme of the present invention: the feeding mechanism includes a push rod, the push rod is fixedly connected to the outer wall of the brush frame, the outer wall of one side of the mounting seat is fixedly connected to the connecting frame, one end of the connecting frame is installed with a storage frame, the bottom end of the storage frame is provided with a discharge port, the inner cavity of the discharge port is fixedly connected with a fixed cylinder, the inner cavity of the discharge port is located above the fixed cylinder and is fixedly connected with a fixed plate, the bottom end of the fixed plate is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with a baffle, the bottom end of the baffle is fixedly connected with a pushing frame, the pushing frame passes through the fixed cylinder and extends below the discharge port, the inner part of the discharge port is slidably connected with an adjusting block extending to the inner cavity of the fixed cylinder, the outer wall of the discharge port is rotatably connected with a rotating column, one end of the rotating column is fixedly connected with a third threaded rod extending into the interior of the adjusting block, and the storage frame is installed on the connecting frame through a connecting mechanism.

[0008] As a further scheme of the present invention: the connecting mechanism includes a connecting groove, the connecting groove is opened on the outer wall of the storage frame, the inner wall of the connecting groove is opened with a fixing groove, the interior of the connecting frame is slidably connected with a fixing block extending above the connecting frame, the bottom end of the fixing block is connected to the connecting frame with a fixing spring, the outer wall of the connecting frame is rotatably connected with a rotating block, one end of the rotating block is fixedly connected to a connecting shaft, one end of the connecting shaft is fixedly connected to a rotating disk, the outer wall of the rotating disk is fixedly connected with a protrusion, the outer wall of the third threaded rod is fixedly connected with a toothed disk, the interior of the storage frame is slidably connected with a sliding rod extending into the inner cavity of the connecting groove, the interior of the storage frame is slidably connected with a pushing rod at the bottom end of the sliding rod, the interior of the storage frame is slidably connected with a positioning rod at one end of the pushing rod, and the outer wall of the positioning rod is fixedly connected with a second spring.

[0009] As a further solution of the present invention: the outer wall of the limiting column is fitted with the inner wall of the limiting hole, the outer walls at both ends of the brush frame are fitted with the inner wall of the slide groove, the outer wall of the brush frame is provided with a first threaded hole, and the first threaded hole matches the first threaded rod; the top of the pushing block is provided with a second threaded hole, and the second threaded hole matches the second threaded rod; the outer wall of the adjusting block is provided with a third threaded hole, and the third threaded hole matches the third threaded rod.

[0010] As a further solution of the present invention: the pushing frame includes an upper vertical rod, a horizontal rod and a lower vertical rod, the upper end of the upper vertical rod is connected to the baffle, the lower end of the upper vertical rod is vertically connected to one end of the horizontal rod, and the other end of the horizontal rod is vertically connected to the lower vertical rod, and the inner wall of the discharge port is provided with a square groove for the horizontal rod to slide.

[0011] As a further solution of the present invention: the outer wall of one end of the connecting frame is in contact with the inner wall of the connecting groove, and the outer wall of the fixing block is in contact with the inner wall of the fixing groove.

[0012] As a further solution of the present invention: a semicircular surface is provided at one end of the sliding rod located in the inner cavity of the connecting groove, a first inclined surface is provided at one end of the pushing rod, the sliding rod is in contact with the first inclined surface, a second inclined surface is provided at the top end of the positioning rod, the second inclined surface is in contact with the pushing rod, and the bottom end of the positioning rod is engaged with the outer wall of the toothed disk.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention improves the color paste ratio so that the effect, color, penetration and feel of the pattern after flat screen printing are highly consistent whether on the sample or the bulk product, solving the problem of difficulty in reproducing the bulk product. The printed pattern has clear outline, rich color and strong three-dimensional layering, thereby improving the process quality and stability.

[0014] 2. The present invention specially designs supporting equipment for the improved printing process, wherein the silk flat screen wide-width printing equipment is provided with a displacement mechanism and a feeding mechanism. When the mounting frame moves upward, it drives the brush frame to move upward, and the movement of the brush frame drives the top rod to move upward. The top rod is displaced and contacts with the pushing frame, pushing the pushing frame to move. The displacement of the pushing frame drives the baffle to move, causing compression on the first spring. The movement of the baffle opens the fixed cylinder, so that the paint in the storage frame flows out from the discharge port through the fixed cylinder and falls into the paint tank. This design facilitates the automatic quantitative replenishment of the paint in the paint tank after each printing.

[0015] 3. By setting a connecting mechanism, the connecting frame is inserted into the connecting groove until the fixing block is engaged into the fixing groove by the elastic force of the fixing spring to fix the storage frame; when the storage frame is removed, the rotating block is rotated, the rotating block drives the connecting shaft to rotate, the connecting shaft drives the rotating disk to rotate, the rotating disk drives the protrusion to move and contact the fixing block, pushes the fixing block to move, and the fixing block moves out of the fixing groove, canceling the fixation of the storage frame; this design facilitates the rapid installation and disassembly of the storage frame, and the position of the adjustment block is reinforced when the storage frame is installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the silk flat screen wide-width printing equipment of the present invention; Figure 2 It is a schematic diagram of the installation of the connecting frame and the storage frame of the silk flat screen wide-width printing equipment of the present invention; Figure 3 It is a schematic diagram of the installation of the brush frame of the silk flat screen wide-width printing equipment of the present invention; Figure 4 This is a schematic diagram of the internal structure of the storage frame of the silk flat screen wide-width printing equipment of the present invention; Figure 5 This is a schematic diagram of the internal structure of the discharge port of the silk flat screen wide-width printing equipment of the present invention; Figure 6 It is a schematic diagram of the disassembled structure of the storage frame and the connecting frame of the silk flat screen wide-width printing equipment of the present invention; Figure 7 The figure is a schematic diagram of the internal structure of the connecting frame of the silk flat screen wide-width printing equipment of the present invention.

[0017] In the figure: 1, mounting seat; 2, conveyor belt; 3, mounting frame; 4, mounting frame; 5, printing plate; 6, brush frame; 7, displacement mechanism; 701, limit column; 702, limit hole; 703, slide groove; 704, guide column; 705, first threaded rod; 706, first motor; 707, support block; 708, push block; 709, second threaded rod; 710, second motor; 8, feeding mechanism; 801, ejector rod; 802, connecting frame; 803, storage frame; 804, discharge port; 805, fixed cylinder; 806, fixed plate; 807, The first spring; 808, baffle; 809, push frame; 8091, upper vertical rod; 8092, horizontal rod; 8093, lower vertical rod; 810, adjustment block; 811, third threaded rod; 812, rotating column; 9, connecting mechanism; 901, connecting groove; 902, fixing groove; 903, fixing block; 904, fixing spring; 905, rotating block; 906, connecting shaft; 907, rotating disk; 908, protrusion; 909, toothed disk; 910, sliding rod; 911, pushing rod; 912, positioning rod; 913, second spring; 10, paint tank. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention. Example 1

[0020] In the embodiment of the present invention, the silk flat screen wide width printing process comprises the following steps: Step 1: Prepare the color paste according to the following components: sodium alginate 40g / L, sodium hexametaphosphate 3g / L, baking soda 8g / L, urea 60g / L, resist salt 10g / L, anionic surfactant 2g / L, sodium sulfate 20g / L, sodium carbonate 2g / L, reactive dye 0.2%owf; Step 2: prepare fabric and prepare flat screen printing plate 5, and fix the fabric on the conveyor belt 2 of the silk flat screen wide-width printing equipment; prepare more than one printing plate 5 according to the fabric pattern to be printed, and fix the printing plate 5 on the silk flat screen wide-width printing equipment; Step 3: Flat screen printing: Use a polyurethane brush frame to perform flat screen printing at a temperature of 55°C; Step 4: Steaming process: The fabric printed in step 3 is steamed at a speed of 18 m / min, at a temperature of 102° C. and a pressure of 1.2 MPa for 10 min; Step 5: Water washing process: Use 95℃ water for soap washing to achieve the effect of color fixation.

[0021] The anionic surfactant is a phosphate-type anionic surfactant produced by Qingdao Yinrui Chemical Co., Ltd. The reactive dyes are NOVACRON, YELLOWP-6GS, Red P-BN, and Blue P-3R reactive dyes produced by Huntsman Chemical Trading (Shanghai) Co., Ltd.

[0022] In this embodiment: by improving the color paste ratio, the effect, color, penetration and feel of the pattern after flat screen printing are highly consistent both on the sample and the bulk product, which solves the problem of difficulty in reproducing bulk products. The printed pattern has clear outline, rich color and strong three-dimensional layering, thereby improving the process quality and stability.

[0023] See also Figures 1 to 7 The silk flat screen wide-width printing process equipment described in the present invention includes a pulping machine used in step one, a silk flat screen wide-width printing device used in steps two and three, a steaming device used in step four, and a washing device used in step five; wherein, the silk flat screen wide-width printing device includes a mounting seat 1, a conveyor belt 2 is mounted on the mounting seat 1, and side clamping devices capable of clamping and fixing both sides of the fabric are respectively arranged on both sides of the conveyor belt 2, and the fabric is fixed on the conveyor belt through the side clamping device and can move synchronously with the conveyor belt.

[0024] At least one printing function group is arranged above the mounting seat 1 along the conveying direction of the conveyor belt, and each printing function group can complete a single-color flat screen printing operation; the printing function group includes a mounting frame 3, the bottom end of the mounting frame 3 is fixedly connected to a mounting frame 4, the outer wall of the mounting frame 4 is fixedly connected to a printing plate 5, the mounting frame 3 is slidably connected to a brush frame 6, the outer wall of the brush frame 6 is provided with a paint groove 10 with a plurality of paint holes at the bottom, the brush frame 6 is moved by a displacement mechanism 7, and the paint is injected into the paint groove 10 through a feeding mechanism 8, the displacement mechanism 7 includes a limiting column 701, the limiting column 701 is fixedly connected to the top of the mounting seat 1, the outer wall of the mounting frame 3 is provided with a limiting hole 702 for the limiting column 701 to slide, and the inner cavity of the mounting frame 3 The sliding grooves 703 are symmetrically opened, and the brush frame 6 is slidably connected to the inner wall of the sliding groove 703. The inner cavity of one sliding groove 703 is fixedly connected to the guide column 704, and the inner cavity of the other sliding groove 703 is rotatably connected to the first threaded rod 705. The guide column 704 and the first threaded rod 705 both pass through the brush frame 6. The outer wall of the mounting frame 3 is installed with a first motor 706, and the first threaded rod 705 is connected to the output end of the first motor 706. The bottom end of the mounting frame 3 is symmetrically fixedly connected with a support block 707, and the inside of the support block 707 is slidably connected with a pushing block 708. The outer wall of the mounting frame 3 is installed with a second motor 710, and the output end of the second motor 710 is connected to a second threaded rod 709, and the second threaded rod 709 extends into the interior of the pushing block 708.

[0025] In this embodiment: the operation of the first motor 706 drives the first threaded rod 705 to rotate, and the rotation of the first threaded rod 705 drives the brush frame 6 to slide in the slide groove 703, thereby causing the brush frame 6 to move laterally; the operation of the second motor 710 drives the second threaded rod 709 to rotate, and the rotation of the second threaded rod 709 drives the push block 708 to move, and the push block 708 contacts the mounting seat 1, thereby driving the mounting frame 3 to move upward, and the movement of the mounting frame 3 drives the brush frame 6 to move in the vertical direction; when the conveyor belt 2 transports the fabric to the bottom of the mounting frame 3, the mounting frame 3 moves downward to drive the printing plate 5 to contact the fabric, the brush frame 6 moves laterally and uses a number of paint holes set at the bottom of the paint tank 10 to brush the paint on the fabric, and then the mounting frame 3 moves upward, driving the printing plate 5 to separate from the fabric, and the brush frame 6 moves laterally to perform a reset operation.

[0026] Please refer to Figures 2 to 5The feeding mechanism 8 includes a push rod 801, which is fixedly connected to the outer wall of the brush frame 6. A connecting frame 802 is fixedly connected to the outer wall of one side of the mounting seat 1. A storage frame 803 is installed at one end of the connecting frame 802. A discharge port 804 is arranged at the bottom end of the storage frame 803. A fixed cylinder 805 is fixedly connected to the inner cavity of the discharge port 804. A fixed plate 806 is fixedly connected to the inner cavity of the discharge port 804 above the fixed cylinder 805. A first spring 807 is fixedly connected to the bottom end of the fixed plate 806. The first spring 807 The bottom end is fixedly connected with a baffle 808, the bottom end of the baffle 808 is fixedly connected with a pushing frame 809, the pushing frame 809 passes through the fixed cylinder 805 and extends to the bottom of the discharge port 804, the inside of the discharge port 804 is slidably connected with an adjusting block 810 extending to the inner cavity of the fixed cylinder 805, the outer wall of the discharge port 804 is rotatably connected with a rotating column 812, one end of the rotating column 812 is fixedly connected with a third threaded rod 811 extending into the interior of the adjusting block 810, and the storage frame 803 is installed on the connecting frame 802 through the connecting mechanism 9.

[0027] In this embodiment: when the mounting frame 3 moves upward, it drives the brush frame 6 to move upward, and the movement of the brush frame 6 drives the push rod 801 to move upward, and the push rod 801 is displaced to contact the pushing frame 809, pushing the pushing frame 809 to move, and the displacement of the pushing frame 809 drives the baffle 808 to move, causing the first spring 807 to be squeezed, and the baffle 808 moves to open the fixed cylinder 805, so that the paint in the storage frame 803 flows out from the discharge port 804 through the fixed cylinder 805 and falls into the paint tank 10; then, the mounting frame 3 drives the brush frame 6 to move downward, the push rod 801 is separated from the pushing frame 809, and the baffle 808 is closed by the elastic force of the first spring 807 on the fixed cylinder 805. When the amount of paint flowing out each time is adjusted, the rotating column 812 is rotated, and the rotating column 812 rotates to drive the third threaded rod 811 to rotate, and the third threaded rod 811 rotates to drive the adjustment block 810 to move into the fixed cylinder 805, and adjust the size of the inner cavity of the fixed cylinder 805, thereby adjusting the amount of paint passing through the fixed cylinder 805. This design can automatically perform a quantitative replenishment operation on the paint in the paint tank 10 after each printing.

[0028] Please refer to Figure 6 to Figure 7The connecting mechanism 9 includes a connecting groove 901, which is provided on the outer wall of the storage frame 803, and a fixing groove 902 is provided on the inner wall of the connecting groove 901. A fixing block 903 extending to the top of the connecting frame 802 is slidably connected to the inside of the connecting frame 802, and a fixing spring 904 is connected between the bottom end of the fixing block 903 and the connecting frame 802. A rotating block 905 is rotatably connected to the outer wall of the connecting frame 802, and one end of the rotating block 905 is fixedly connected to a connecting shaft 906, and one end of the connecting shaft 906 is fixed. A rotating disk 907 is connected, a protrusion 908 is fixedly connected to the outer wall of the rotating disk 907, a toothed disk 909 is fixedly connected to the outer wall of the third threaded rod 811, the interior of the storage frame 803 is slidably connected to a sliding rod 910 extending into the inner cavity of the connecting groove 901, the interior of the storage frame 803 is slidably connected to a pushing rod 911 at the bottom end of the sliding rod 910, the interior of the storage frame 803 is slidably connected to a positioning rod 912 at one end of the pushing rod 911, and the outer wall of the positioning rod 912 is fixedly connected to a second spring 913.

[0029] In this embodiment, when installing the storage frame 803, the connecting frame 802 is inserted into the connecting groove 901 until the fixing block 903 is engaged into the fixing groove 902 by the elastic force of the fixing spring 904, thereby fixing the storage frame 803; when removing the storage frame 803, the rotating block 905 is rotated, and the rotating block 905 rotates to drive the connecting shaft 906 to rotate, and the connecting shaft 906 rotates to drive the rotating disk 907 to rotate, and the rotating disk 907 rotates to drive the protrusion 908 to move and contact the fixing block 903, thereby pushing the fixing block 903 to move, and the fixing block 903 moves out of the fixing groove 90 2. Cancel the fixation of the storage frame 803; when the connecting frame 802 is connected into the connecting groove 901, the connecting frame 802 contacts the sliding rod 910, pushing the sliding rod 910 to move, the movement of the sliding rod 910 pushes the pushing rod 911 to move, the displacement of the pushing rod 911 pushes the positioning rod 912 to move and engage with the toothed disc 909, thereby fixing the third threaded rod 811 to prevent the adjustment block 810 from loosening during use and affecting the outflow of paint; this design facilitates the rapid installation and disassembly of the storage frame 803, and the position of the adjustment block 810 is reinforced when the storage frame 803 is installed.

[0030] Please refer to Figures 1 to 4 The outer wall of the limiting column 701 fits with the inner wall of the limiting hole 702 , the outer walls at both ends of the brush frame 6 fit with the inner wall of the slide groove 703 , and a first threaded hole is opened on the outer wall of the brush frame 6 , which matches the first threaded rod 705 .

[0031] In this embodiment, the operation of the first motor 706 drives the first threaded rod 705 to rotate, and the rotation of the first threaded rod 705 drives the brush frame 6 to slide in the slide groove 703, so that the brush frame 6 moves horizontally.

[0032] Please refer to Figures 1 to 4 A second threaded hole is formed at the top of the push block 708 , and the second threaded hole matches the second threaded rod 709 .

[0033] In this embodiment: the operation of the second motor 710 drives the second threaded rod 709 to rotate, and the rotation of the second threaded rod 709 drives the push block 708 to move, and the push block 708 contacts the mounting seat 1, thereby driving the mounting frame 3 to move upward, and the movement of the mounting frame 3 drives the brush frame 6 to move in the vertical direction.

[0034] Please refer to Figures 2 to 5 The pushing frame 809 includes an upper vertical rod 8091, a horizontal rod 8092 and a lower vertical rod 8093. The upper end of the upper vertical rod 8091 is connected to the baffle 808, the lower end of the upper vertical rod 8091 is vertically connected to one end of the horizontal rod 8092, and the other end of the horizontal rod 8092 is vertically connected to the lower vertical rod 8093. The inner wall of the discharge port 804 is provided with a square groove for the horizontal rod 8092 to slide.

[0035] In this embodiment: when the mounting frame 3 moves upward, it drives the brush frame 6 to move upward, and the movement of the brush frame 6 drives the push rod 801 to move upward. The push rod 801 is displaced to contact the pushing frame 809, pushing the pushing frame 809 to move. The displacement of the pushing frame 809 drives the baffle 808 to move, squeezing the first spring 807. The baffle 808 moves to open the fixed cylinder 805, so that the paint in the storage frame 803 flows out from the discharge port 804 through the fixed cylinder 805.

[0036] Please refer to Figures 2 to 5 A third threaded hole is formed on the outer wall of the adjusting block 810 , and the third threaded hole matches the third threaded rod 811 .

[0037] In this embodiment: the rotating column 812 is rotated, and the rotation of the rotating column 812 drives the third threaded rod 811 to rotate, and the rotation of the third threaded rod 811 drives the adjustment block 810 to move into the fixed cylinder 805, and the size of the inner cavity of the fixed cylinder 805 is adjusted, thereby adjusting the amount of paint passing through the fixed cylinder 805.

[0038] Please refer to Figure 6 to Figure 7 The outer wall of one end of the connecting frame 802 fits with the inner wall of the connecting groove 901 , and the outer wall of the fixing block 903 fits with the inner wall of the fixing groove 902 .

[0039] In this embodiment: the connecting frame 802 is inserted into the connecting groove 901 until the fixing block 903 is engaged into the fixing groove 902 by the elastic force of the fixing spring 904, thereby fixing the storage frame 803; when the storage frame 803 is removed, the rotating block 905 is rotated, and the rotating block 905 rotates to drive the connecting shaft 906 to rotate, and the connecting shaft 906 rotates to drive the rotating disk 907 to rotate, and the rotating disk 907 rotates to drive the protrusion 908 to move and contact the fixing block 903, thereby pushing the fixing block 903 to move, and the fixing block 903 moves out of the fixing groove 902, thereby canceling the fixation of the storage frame 803.

[0040] Please refer to Figure 6 to Figure 7 A semicircular surface is provided at one end of the sliding rod 910 located in the inner cavity of the connecting groove 901, a first inclined surface is provided at one end of the pushing rod 911, the sliding rod 910 contacts the first inclined surface, a second inclined surface is provided at the top end of the positioning rod 912, the second inclined surface contacts the pushing rod 911, and the bottom end of the positioning rod 912 is engaged with the outer wall of the toothed disk 909.

[0041] In this embodiment: when the connecting frame 802 is connected into the connecting groove 901, the connecting frame 802 contacts the sliding rod 910, pushing the sliding rod 910 to move, the movement of the sliding rod 910 pushes the pushing rod 911 to move, the displacement of the pushing rod 911 pushes the positioning rod 912 to move and engage with the toothed disc 909, thereby fixing the third threaded rod 811.

[0042] It should be pointed out that in order to ensure that flat screen printing is carried out at a temperature of 55°C, an electric heating device capable of temperature control is provided under the conveyor belt 2 and on the inner wall of the storage frame 803, so that the fabric on the conveyor belt 2 and the storage frame 803 are kept at 55°C to complete the printing process. Example 2

[0043] In the embodiment of the present invention, the silk flat screen wide width printing process comprises the following steps: Step 1: Prepare the color paste according to the following components: sodium alginate 55g / L, sodium hexametaphosphate 4g / L, baking soda 10g / L, urea 70g / L, resist salt 13g / L, anionic surfactant 2.5g / L, sodium sulfate 25g / L, sodium carbonate 3g / L, reactive dye 2.5%owf; Step 2: Prepare the fabric and fix it on the conveyor belt of the silk flat screen wide-width printing equipment; Step 3: Flat screen printing: Use a polyurethane brush frame to perform flat screen printing at a temperature of 55°C; Step 4: Steaming process: The fabric printed in step 3 is steamed at a speed of 18 m / min, at a temperature of 102° C. and a pressure of 1.2 MPa for 10 min; Step 5: Water washing process: Use 95℃ water for soap washing to achieve the effect of color fixation.

[0044] The other implementations of this embodiment are the same as those of the first embodiment and will not be described in detail. Example 3

[0045] In the embodiment of the present invention, the silk flat screen wide width printing process comprises the following steps: Step 1: Prepare the color paste according to the following components: sodium alginate 60g / L, sodium hexametaphosphate 6g / L, baking soda 12g / L, urea 85g / L, resist salt 20g / L, anionic surfactant 3g / L, sodium sulfate 30g / L, sodium carbonate 4g / L, reactive dye 4%owf; Step 2: Prepare the fabric and fix it on the conveyor belt of the silk flat screen wide-width printing equipment; Step 3: Flat screen printing: Use a polyurethane brush frame to perform flat screen printing at a temperature of 55°C; Step 4: Steaming process: The fabric printed in step 3 is steamed at a speed of 18 m / min, at a temperature of 102° C. and a pressure of 1.2 MPa for 10 min; Step 5: Water washing process: Use 95℃ water for soap washing to achieve the effect of color fixation.

[0046] The other implementations of this embodiment are the same as those of the first embodiment and will not be described in detail.

[0047] Detection experiment:

[0048] The printing quality of silk printed fabrics is generally judged from the aspects of pattern effect, color, fabric feel, color fastness, wearability, etc. The printed products using this process have been evaluated by multiple people, and the pattern line clarity and effect are good, and the whiteness and color vividness can reach the comparison item effect. The feel of the product can also reach the comparison item feel effect through multiple people's hand touch evaluation.

[0049] 1. The test results of color fastness and formaldehyde content are as follows:

[0050] 2. The test results of rubbing fastness, color fastness to washing, perspiration fastness, soap fastness, brightness, total process time and total process water consumption are as follows: (the lower the total process water consumption, the higher the water saving ability)

[0051] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Silk flat screen wide width printing process, characterized in that: The steps include: Step 1: Prepare the color paste according to the following components: sodium alginate 40-60g / L, sodium hexametaphosphate 3-6g / L, baking soda 8-12g / L, urea 60-85g / L, resist salt 10-20g / L, anionic surfactant 2-3g / L, sodium sulfate 20-30g / L, sodium carbonate 2-4g / L, reactive dye 0.2-4%owf; Step 2: prepare fabric and a flat screen printing plate (5), and fix the fabric on the conveyor belt (2) of the silk flat screen wide-width printing equipment; prepare one or more printing plates (5) according to the fabric pattern to be printed, and fix the printing plates (5) on the silk flat screen wide-width printing equipment; Step 3: flat screen printing: using a polyurethane brush frame (6), flat screen printing is performed at a temperature of 55°C; Step 4: Steaming process: The fabric printed in step 3 is steamed at a speed of 18 m / min, at a temperature of 102° C. and a pressure of 1.2 MPa for 10 min; Step 5: Water washing process: Use 95℃ water for soap washing to achieve the effect of color fixation.

2. The silk flat screen wide-width printing process according to claim 1, characterized in that: The anionic surfactant is a phosphate salt type anionic surfactant.

3. The equipment for silk flat screen wide-width printing process according to claim 1, characterized in that: The invention comprises a pulping machine used in step 1, a silk flat screen wide-width printing device used in steps 2 and 3, a steaming device used in step 4, and a washing device used in step 5; wherein the silk flat screen wide-width printing device comprises a mounting seat (1), a conveyor belt (2) is mounted on the mounting seat (1), at least one printing function group is arranged above the mounting seat (1) along the conveying direction of the conveyor belt, and each printing function group can complete a single-color flat screen printing operation; the printing function group comprises a mounting frame (3), the bottom end of the mounting frame (3) is A mounting frame (4) is fixedly connected, a printing plate (5) is fixedly connected to the outer wall of the mounting frame (4), a brush frame (6) is slidably connected to the mounting frame (3), the outer wall of the brush frame (6) is provided with a paint groove (10) with a plurality of paint holes at the bottom, the brush frame (6) is moved by a displacement mechanism (7), and the paint is injected into the paint groove (10) through a feeding mechanism (8), the displacement mechanism (7) comprises a limiting column (701), the limiting column (701) is fixedly connected to the top of the mounting seat (1), and the mounting seat (3) is provided with a brush frame (6) on the outer wall of the brush frame (6). The outer wall of the mounting frame (3) is provided with a limiting hole (702) for the limiting column (701) to slide, the inner cavity of the mounting frame (3) is symmetrically provided with a slide groove (703), the brush frame (6) is slidably connected to the inner wall of the slide groove (703), the inner cavity of one of the slide grooves (703) is fixedly connected to a guide column (704), and the inner cavity of the other slide groove (703) is rotatably connected to a first threaded rod (705), the guide column (704) and the first threaded rod (705) both pass through the brush frame (6), and the mounting frame A first motor (706) is installed on the outer wall of the mounting frame (3); the first threaded rod (705) is connected to the output end of the first motor (706); a support block (707) is symmetrically fixedly connected to the bottom end of the mounting frame (3); a push block (708) is slidably connected inside the support block (707); a second motor (710) is installed on the outer wall of the mounting frame (3); a second threaded rod (709) is connected to the output end of the second motor (710); and the second threaded rod (709) extends into the interior of the push block (708).

4. The equipment for silk flat screen wide-width printing process according to claim 3, characterized in that: The feeding mechanism (8) comprises a push rod (801), the push rod (801) is fixedly connected to the outer wall of the brush frame (6), a connecting frame (802) is fixedly connected to the outer wall of one side of the mounting seat (1), a storage frame (803) is installed at one end of the connecting frame (802), a discharge port (804) is arranged at the bottom end of the storage frame (803), the inner cavity of the discharge port (804) is fixedly connected to a fixed cylinder (805), the inner cavity of the discharge port (804) is located above the fixed cylinder (805) and is fixedly connected to a fixed plate (806), the bottom end of the fixed plate (806) is fixedly connected to a first spring (807), and the first spring (807) ) is fixedly connected to the bottom end of the baffle (808), the bottom end of the baffle (808) is fixedly connected to a pushing frame (809), the pushing frame (809) passes through the fixed cylinder (805) and extends to the bottom of the discharge port (804), the inside of the discharge port (804) is slidably connected to an adjusting block (810) extending to the inner cavity of the fixed cylinder (805), the outer wall of the discharge port (804) is rotatably connected to a rotating column (812), one end of the rotating column (812) is fixedly connected to a third threaded rod (811) extending into the interior of the adjusting block (810), and the storage frame (803) is mounted on the connecting frame (802) via a connecting mechanism (9).

5. The equipment for silk flat screen wide-width printing process according to claim 4, characterized in that: The connecting mechanism (9) comprises a connecting groove (901), the connecting groove (901) being formed on the outer wall of the storage frame (803), the inner wall of the connecting groove (901) being formed with a fixing groove (902), the interior of the connecting frame (802) being slidably connected with a fixing block (903) extending above the connecting frame (802), a fixing spring (904) being connected between the bottom end of the fixing block (903) and the connecting frame (802), the outer wall of the connecting frame (802) being rotatably connected with a rotating block (905), one end of the rotating block (905) being fixedly connected with a connecting shaft (906), one end of the connecting shaft (906) A rotating disk (907) is fixedly connected, a protrusion (908) is fixedly connected to the outer wall of the rotating disk (907), a toothed disk (909) is fixedly connected to the outer wall of the third threaded rod (811), a sliding rod (910) extending into the inner cavity of the connecting groove (901) is slidably connected to the interior of the storage frame (803), a pushing rod (911) is slidably connected to the bottom end of the sliding rod (910) inside the storage frame (803), a positioning rod (912) is slidably connected to one end of the pushing rod (911) inside the storage frame (803), and a second spring (913) is fixedly connected to the outer wall of the positioning rod (912).

6. The equipment for silk flat screen wide-width printing process according to claim 4, characterized in that: The outer wall of the limiting column (701) is in contact with the inner wall of the limiting hole (702); the outer walls at both ends of the brush frame (6) are in contact with the inner wall of the slide groove (703); the outer wall of the brush frame (6) is provided with a first threaded hole, and the first threaded hole matches the first threaded rod (705); the top of the pushing block (708) is provided with a second threaded hole, and the second threaded hole matches the second threaded rod (709); the outer wall of the adjusting block (810) is provided with a third threaded hole, and the third threaded hole matches the third threaded rod (811).

7. The equipment for silk flat screen wide-width printing process according to claim 4, characterized in that: The pushing frame (809) comprises an upper vertical rod (8091), a horizontal rod (8092) and a lower vertical rod (8093); the upper end of the upper vertical rod (8091) is connected to the baffle (808); the lower end of the upper vertical rod (8091) is vertically connected to one end of the horizontal rod (8092); the other end of the horizontal rod (8092) is vertically connected to the lower vertical rod (8093); and the inner wall of the discharge port (804) is provided with a square groove for the horizontal rod (8092) to slide.

8. The equipment for silk flat screen wide-width printing process according to claim 5, characterized in that: The outer wall of one end of the connecting frame (802) fits with the inner wall of the connecting groove (901), and the outer wall of the fixing block (903) fits with the inner wall of the fixing groove (902).

9. The equipment for silk flat screen wide-width printing process according to claim 5, characterized in that: A semicircular surface is provided at one end of the sliding rod (910) located in the inner cavity of the connecting groove (901), a first inclined surface is provided at one end of the pushing rod (911), the sliding rod (910) is in contact with the first inclined surface, a second inclined surface is provided at the top end of the positioning rod (912), the second inclined surface is in contact with the pushing rod (911), and the bottom end of the positioning rod (912) is engaged with the outer wall of the toothed disc (909).

Images