Synchronous device for transparent fabric printing and paint printing and its process

Abstract

The present invention provides a synchronous device for transparent printing and paint printing in the field of cloth printing and a process thereof. By connecting a quenching agent storage tank with a quenching agent nozzle and installing the two on a mobile spraying vehicle, synchronous spraying of the paint and the quenching agent is achieved, and the paint and the quenching agent are accurately sprayed according to the requirements of the printing pattern, so as to achieve synchronous operation of paint printing and transparent printing, thereby improving the overall operation efficiency; at the same time, through a lower suction hood arranged below the cloth and opposite to the mobile spraying vehicle, negative pressure suction is performed on the paint and the quenching agent sprayed on the top of the cloth, so as to ensure the penetration effect of the paint and the quenching agent on the cloth, improve the coloring quality of the paint, and at the same time, ensure that the quenching agent is fully dissolved from top to bottom to ensure the dissolution effect.

Description

Technical Field

[0001] The invention relates to the field of cloth printing, and in particular to a synchronous device for transparent fabric printing and paint printing and a process thereof. Background Art

[0002] Printing is the process of applying patterns on textiles with dyes or pigments. Printing can be divided into fabric printing, wool top printing and yarn printing, with fabric printing being the main type. Wool top printing is used to make mixed color tweed; yarn printing is used to weave special style colored patterned fabrics. Among them, paint printing is to spray paint on the fabric for coloring printing, and transparent printing is a reduction printing process. This process uses the difference in chemical corrosion resistance of different fibers in interwoven or blended fabrics. Through the printing method, a burn-out agent is applied to partially remove one of the fibers in the fabric, retaining other fibers to form a translucent pattern. It is also called burn-out printing or burn-out printing.

[0003] In existing printing equipment, each printing process uses a separate device for printing, and the fabric needs to be transferred between different printing devices, which is cumbersome to operate and reduces the overall printing efficiency.

[0004] The present application provides a synchronous device for transparent printing and paint printing on fabrics and a process thereof, so as to realize an integrated composite printing operation of paint printing and transparent printing. Summary of the invention

[0005] The purpose of the present application is to solve the problem that existing equipment is difficult to achieve simultaneous pigment printing and transparent printing; compared with the existing technology, a fabric transparent printing and pigment printing synchronization device and a process thereof are provided, which can achieve simultaneous operation of pigment printing and transparent printing.

[0006] A synchronous device for transparent printing and paint printing on fabrics comprises a mounting seat, on which a mobile spraying vehicle and a lower suction hood are arranged opposite to each other and respectively located on the upper and lower sides of the fabric, the mobile spraying vehicle and the lower suction hood are connected with a synchronous reciprocating mechanism for driving the two to move synchronously horizontally; the mobile spraying vehicle is provided with a plurality of paint nozzles distributed equidistantly on the side facing the fabric, the paint nozzles are connected with a paint tank installed in the mobile spraying vehicle through pipelines; a burn-off agent nozzle is provided on one side of the paint nozzle, the burn-off agent nozzle is connected with a storage tank installed on the rear side of the mobile spraying vehicle through pipelines; the lower suction hood is a hollow hood and has evenly distributed suction holes on its upper end, the lower suction hood is connected with a negative pressure suction mechanism.

[0007] Furthermore, the synchronous reciprocating mechanism includes an upper moving block fixedly connected to the upper end of the mobile spraying vehicle and a lower moving block fixedly connected to the lower end of the lower suction hood. The upper moving block is slidably connected to a support frame, and an upper screw rod threadedly connected to the upper moving block is installed on the support frame. The upper screw rod extends to the outside of the support frame and is connected to a screw motor; the lower moving block is threadedly connected to a lower screw rod rotatably connected to the support frame, and the lower screw rod extends to the outside of the support frame and is connected to the upper screw rod for transmission through a vertical transmission shaft.

[0008] Furthermore, a waste collection mechanism is provided in the mounting seat, which includes a waste barrel, which is connected to a negative pressure buffer barrel through a waste residue pipe, a suction pipe runs through the negative pressure buffer barrel, and the suction pipe is connected to a lower suction hood; the negative pressure buffer barrel is connected to an exhaust mechanism.

[0009] Furthermore, the vacuum mechanism includes a vacuum cylinder, which is connected to a vacuum pipe, which is connected to the upper part of the negative pressure buffer cylinder, and the vacuum cylinder is connected to an exhaust pipe extending to the outside of the mounting seat; a piston is nested in the vacuum cylinder, which passes through the vacuum cylinder and extends to the top of the mounting seat, and a clamping frame is fixedly connected to the upper end of the piston, and an eccentric groove disk is clamped in the clamping frame, and the eccentric groove disk is rotatably connected to the support frame through an installation shaft, and the installation shaft is connected to the upper screw for transmission through an acceleration transmission gear set.

[0010] Preferably, the support frame is provided with an upper horizontal slide groove for the upper moving block to slide horizontally, the upper moving block is nested in the upper horizontal slide groove and slidably abuts against the inner wall of the upper horizontal slide groove, and the upper screw rod is nested in the upper horizontal slide groove.

[0011] Preferably, the mounting seat is provided with a lower horizontal slide groove for the lower moving block to slide horizontally, and the lower moving block passes through the lower horizontal slide groove and extends into the mounting seat.

[0012] Preferably, the coating spray head and the burning agent spray head are both electronic inkjet heads.

[0013] Preferably, both the suction pipe and the exhaust pipe are provided with a one-way valve at the connection points with the suction cylinder.

[0014] Preferably, the vacuum cylinder is fixedly connected to the top plate of the mounting seat, and the outer end of the exhaust pipe is connected to a dust cover.

[0015] A synchronous process for transparent fabric printing and paint printing, using the above-mentioned synchronous device for transparent fabric printing and paint printing, comprises the following steps:

[0016] Step 1, feeding the fabric into the above-mentioned fabric transparent printing and paint printing synchronization device, performing paint printing and transparent printing synchronous spraying operations, and performing negative pressure suction to obtain primary printed fabric;

[0017] Step 2, pre-drying the primary printed fabric obtained in step 1 to solidify the coating to obtain pre-dried printed fabric;

[0018] Step 3, alkali washing and water washing the pre-baked printed fabric obtained in step 2 to obtain washed fabric;

[0019] Step 4: Dry and soften the washed fabric obtained in step 3 to obtain finished fabric.

[0020] Compared with the prior art, the advantages of the present invention are:

[0021] (1) The present invention connects the quenching agent storage tank with the quenching agent nozzle and installs the two on a mobile spraying vehicle, thereby realizing the synchronous spraying of the paint and the quenching agent, accurately spraying the paint and the quenching agent according to the printing pattern requirements, realizing the synchronous operation of paint printing and transparent printing, and improving the overall operation efficiency; at the same time, through the lower suction hood arranged below the cloth and opposite to the mobile spraying vehicle, the paint and the quenching agent sprayed on the top of the cloth are sucked under negative pressure, thereby ensuring the penetration effect of the paint and the quenching agent on the cloth, improving the coloring quality of the paint, and at the same time, ensuring that the quenching agent is fully dissolved from top to bottom to ensure the dissolution effect.

[0022] (2) The present invention realizes the synchronous movement of the mobile spraying vehicle and the lower suction cover on both sides of the cloth through a synchronous reciprocating mechanism including an upper screw rod, a lower screw rod and a vertical transmission shaft, thereby ensuring the penetration effect of the paint and the burning agent and simplifying the driving and control structure.

[0023] (3) The present invention uses a negative pressure buffer cylinder connected to the lower suction hood and a waste cylinder connected thereto to centrally absorb and collect excess paint, burn-off agent and undissolved fiber residues, thereby preventing the paint and debris from contaminating the fabric.

[0024] (4) The present invention realizes the linkage between the vacuum cylinder and the upper screw through the vacuum mechanism including the eccentric groove disk and the clamping frame, realizes negative pressure suction during the spraying operation, ensures the suction effect, and does not need to set up a separate negative pressure power mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention from a front viewing angle;

[0026] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention from a rear-view perspective;

[0027] Figure 3 It is a schematic diagram of the internal structure of the mounting seat in the present invention;

[0028] Figure 4 It is a schematic diagram of the transverse cross-sectional structure of the present invention;

[0029] Figure 5 It is a longitudinal cross-sectional view of the present invention;

[0030] Figure 6 for Figure 4 A schematic diagram of the enlarged structure at A in the middle;

[0031] Figure 7 It is a schematic diagram of the three-dimensional structure of the mobile spraying vehicle in the present invention;

[0032] Figure 8 It is a schematic diagram of the internal structure of the mobile spraying vehicle in the present invention;

[0033] Fig. 9 It is a schematic diagram of the three-dimensional structure of the lower absorption cover in the present invention;

[0034] Fig.10 It is a schematic cross-sectional structural diagram of the lower absorption cover in the present invention.

[0035] Explanation of the numbers in the figure: 1. Mounting base; 2. Mobile spraying vehicle; 3. Upper moving block; 4. Upper screw; 5. Screw motor; 6. Lower suction hood; 601, suction hole; 7. Lower moving block; 8. Lower screw; 9. Vertical transmission shaft; 10. Suction pipe; 11. Negative pressure buffer cylinder; 12. Waste slag pipe; 13. Waste cylinder; 14. Exhaust pipe; 15. Exhaust cylinder; 16. Exhaust pipe; 17. Piston; 18. Snap-on frame; 19. Eccentric groove disk; 20. Mounting shaft; 21. Acceleration transmission gear set; 22. Paint nozzle; 23. Burning agent nozzle; 24. Paint tank; 25. Storage tank; 26. Support frame. DETAILED DESCRIPTION

[0036] The embodiments will be combined with the drawings in the specification to clearly and completely describe the technical solution of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making any creative work shall fall within the scope of protection of the present application.

[0037] Embodiment 1:

[0038] The present invention provides a synchronous device for transparent printing and pigment printing on fabrics, please refer to Figure 1-10 , including a mounting base 1, on which a mobile spraying vehicle 2 and a lower suction hood 6 are arranged opposite to each other and respectively located on the upper and lower sides of the cloth, the mobile spraying vehicle 2 and the lower suction hood 6 are connected with a synchronous reciprocating mechanism for driving the two to move synchronously horizontally; the mobile spraying vehicle 2 is provided with a plurality of paint nozzles 22 distributed equidistantly on the side facing the cloth, and the paint nozzles 22 are connected with a paint tank 24 installed in the mobile spraying vehicle 2 through a pipeline; a de-burning agent nozzle 23 is provided on one side of the paint nozzle 22, and the de-burning agent nozzle 23 is connected with a storage tank 25 installed on the rear side of the mobile spraying vehicle 2 through a pipeline; the lower suction hood 6 is a hollow hood and its upper end is provided with evenly distributed suction holes 601, and the lower suction hood 6 is connected with a negative pressure suction mechanism.

[0039] Specifically, when the printing operation is performed, the paint nozzle 22 in the mobile spraying vehicle 2 prints the paint on the cloth, and at the same time, the burning agent nozzle 23 sprays the burning agent on the cloth, so as to realize the simultaneous spraying operation of paint printing and transparent printing, without the need for distributed processing, thereby improving the printing efficiency; in addition, while the mobile spraying vehicle 2 is performing mobile spraying, the lower suction hood 6 below it moves synchronously with the mobile spraying vehicle 2, and the negative pressure suction mechanism puts the lower suction hood 6 in a negative pressure state, and performs negative pressure suction on the paint and the burning agent dripping on the upper side of the cloth, thereby accelerating the penetration of the paint and the burning agent from top to bottom on the cloth, improving the dyeing effect, and allowing the burning agent to fully dissolve the fibers that need to be dissolved, thereby ensuring the effect of transparent printing.

[0040] See also Figure 2-4 In this embodiment, the synchronous reciprocating mechanism includes an upper moving block 3 fixedly connected to the upper end of the mobile spraying vehicle 2 and a lower moving block 7 fixedly connected to the lower end of the lower absorption cover 6. The upper moving block 3 is slidably connected to a support frame 26, and an upper screw rod 4 threadedly connected to the upper moving block 3 is installed on the support frame 26. The upper screw rod 4 extends to the outside of the support frame 26 and is connected to a screw motor 5; the lower moving block 7 is threadedly connected to a lower screw rod 8 rotatably connected to the support frame 26, and the lower screw rod 8 extends to the outside of the support frame 26 and is connected to the upper screw rod 4 for transmission through a vertical transmission shaft 9.

[0041] Specifically, the screw motor 5 drives the upper screw 4 to rotate, the upper screw 4 drives the lower screw 8 to rotate through the vertical transmission shaft 9, the upper screw 4 drives the mobile spraying vehicle 2 to move back and forth horizontally through the upper moving block 3, and the lower screw 8 drives the lower suction hood 6 to move back and forth horizontally synchronously with the mobile spraying vehicle 2 through the lower moving block 7.

[0042] See also Figure 3 In this embodiment, the support frame 26 is provided with an upper horizontal slide groove for the upper moving block 3 to slide horizontally. The upper moving block 3 is nested in the upper horizontal slide groove and slides against the inner wall of the upper horizontal slide groove. The upper screw rod 4 is nested in the upper horizontal slide groove.

[0043] See also Figure 4 In this embodiment, the mounting seat 1 is provided with a lower horizontal slide groove for the lower moving block 7 to slide horizontally, and the lower moving block 7 passes through the lower horizontal slide groove and extends into the mounting seat 1.

[0044] Specifically, the upper moving block 3 and the lower moving block 7 have better stability when moving.

[0045] See also Figure 1-5 In this embodiment, support rollers for guiding the cloth to pass horizontally are provided on both sides of the support frame 26, and the support frame 26 is in a gate-shaped structure.

[0046] Specifically, it is convenient for the cloth to stably and horizontally pass through the gap between the mobile spraying vehicle 2 and the lower suction hood 6.

[0047] In this embodiment, the coating spray head 22 and the burning agent spray head 23 are both electronic inkjet heads.

[0048] Specifically, the paint spray head 22 and the burn-off agent spray head 23 spray the paint and the burn-off agent onto the cloth accurately, which has good production flexibility.

[0049] A synchronous process for transparent fabric printing and paint printing, using the above-mentioned synchronous device for transparent fabric printing and paint printing, comprises the following steps:

[0050] Step 1, feeding the fabric into the above-mentioned fabric transparent printing and paint printing synchronization device, performing paint printing and transparent printing synchronous spraying operations, and performing negative pressure suction to obtain primary printed fabric;

[0051] Step 2, pre-drying the primary printed fabric obtained in step 1 to solidify the coating to obtain pre-dried printed fabric;

[0052] Step 3, alkali washing and water washing the pre-baked printed fabric obtained in step 2 to obtain washed fabric;

[0053] Step 4: Dry and soften the washed fabric obtained in step 3 to obtain finished fabric.

[0054] Embodiment 2:

[0055] See also Figure 4 and Figure 9-10 The difference between this embodiment and embodiment 1 is that, while keeping the structure of embodiment 1 unchanged, the following structure is additionally provided: a waste collection mechanism is provided in the mounting seat 1, the waste collection mechanism includes a waste barrel 13, the waste barrel 13 is connected to a negative pressure buffer barrel 11 through a waste residue pipe 12, a suction pipe 10 runs through the negative pressure buffer barrel 11, and the suction pipe 10 is connected to the lower suction cover 6; the negative pressure buffer barrel 11 is connected to an exhaust mechanism.

[0056] Specifically, when the lower suction hood 6 performs negative pressure suction on the paint and the burning agent sprayed on the cloth, the excess paint and the burning agent and the dissolved fiber residue are sucked into the lower suction hood 6 and flow into the waste barrel 13 through the waste residue pipe 12 under the action of gravity, so as to achieve centralized collection.

[0057] See also Figure 4In the present embodiment, the vacuum mechanism comprises a vacuum cylinder 15, which is connected to a vacuum pipe 14, which is connected to the upper part of the negative pressure buffer cylinder 11, and is connected to an exhaust pipe 16 extending to the outside of the mounting seat 1; a piston 17 is nested in the vacuum cylinder 15, which passes through the vacuum cylinder 15 and extends to the top of the mounting seat 1, and a clamping frame 18 is fixedly connected to the upper end of the piston 17, and an eccentric groove disk 19 is clamped to the clamping frame 18, and the eccentric groove disk 19 is rotatably connected to the support frame 26 through the mounting shaft 20, and the mounting shaft 20 is connected to the upper screw 4 for transmission through the acceleration transmission gear set 21.

[0058] In this embodiment, both the suction pipe 14 and the exhaust pipe 16 are provided with a one-way valve at the connection points with the suction cylinder 15 .

[0059] Specifically, the screw motor 5 drives the upper screw 4 to rotate, and the upper screw 4 drives the mounting shaft 20 and the eccentric groove disk 19 thereon to rotate through the acceleration transmission gear set 21, and the eccentric groove disk 19 drives the piston 17 to move up and down in the vacuum cylinder 15 through the clamping frame 18 to realize the vacuum operation.

[0060] In this embodiment, the vacuum cylinder 15 is fixedly connected to the top plate of the mounting base 1, and the outer end of the exhaust pipe 16 is connected to a dust cover.

[0061] The above are only preferred specific implementations of the present invention; however, the protection scope of the present invention is not limited thereto.

Claims

1. A synchronous device for transparent fabric printing and paint printing, characterized in that: The invention comprises a mounting seat (1), on which a mobile spraying vehicle (2) and a lower suction hood (6) are arranged opposite to each other and respectively located on the upper and lower sides of a cloth, the mobile spraying vehicle (2) and the lower suction hood (6) being connected to a synchronous reciprocating mechanism for driving the two to move synchronously and horizontally; the mobile spraying vehicle (2) is provided with a plurality of paint spray heads (22) distributed at equal intervals on the side facing the cloth, the paint spray heads (22) being connected to a paint tank (24) installed in the mobile spraying vehicle (2) through a pipeline; a de-burning agent spray head (23) is provided on one side of the paint spray head (22), the de-burning agent spray head (23) being connected to a storage tank (25) installed on the rear side of the mobile spraying vehicle (2) through a pipeline; the lower suction hood (6) is a hollow hood and has evenly distributed suction holes (601) opened at its upper end, the lower suction hood (6) being connected to a negative pressure suction mechanism; The synchronous reciprocating mechanism comprises an upper moving block (3) fixedly connected to the upper end of the mobile spraying vehicle (2) and a lower moving block (7) fixedly connected to the lower end of the lower absorption cover (6); the upper moving block (3) is slidably connected to a support frame (26); an upper screw rod (4) threadedly connected to the upper moving block (3) is mounted on the support frame (26); the upper screw rod (4) extends to the outside of the support frame (26) and is connected to a screw motor (5); the lower moving block (7) is threadedly connected to a lower screw rod (8) rotatably connected to the support frame (26); the lower screw rod (8) extends to the outside of the support frame (26) and is connected to the upper screw rod (4) for transmission via a vertical transmission shaft (9).

2. The synchronous device for transparent fabric printing and paint printing according to claim 1, characterized in that: A waste collection mechanism is provided in the mounting seat (1), the waste collection mechanism comprising a waste barrel (13), the waste barrel (13) being connected to a negative pressure buffer barrel (11) via a waste residue pipe (12), a suction pipe (10) running through the negative pressure buffer barrel (11), the suction pipe (10) being connected to a lower suction hood (6); the negative pressure buffer barrel (11) being connected to an air extraction mechanism.

3. The synchronous device for transparent fabric printing and paint printing according to claim 2 is characterized in that: The air extraction mechanism comprises an air extraction cylinder (15), the air extraction cylinder (15) is connected to an air extraction pipe (14), the air extraction pipe (14) is connected to the upper part of the negative pressure buffer cylinder (11), and the air extraction cylinder (15) is connected to an exhaust pipe (16) extending to the outside of the mounting seat (1); a piston (17) is nested in the air extraction cylinder (15), the piston (17) passes through the air extraction cylinder (15) and extends to the top of the mounting seat (1), the upper end of the piston (17) is fixedly connected to a clamping frame (18), the clamping frame (18) is clamped to an eccentric groove disk (19), the eccentric groove disk (19) is rotatably connected to a support frame (26) via a mounting shaft (20), and the mounting shaft (20) is connected to the upper screw rod (4) for transmission via an acceleration transmission gear set (21).

4. The synchronous device for transparent fabric printing and paint printing according to claim 1, characterized in that: The support frame (26) is provided with an upper horizontal slide groove for the upper moving block (3) to slide horizontally, the upper moving block (3) is nested in the upper horizontal slide groove and slidably abuts against the inner wall of the upper horizontal slide groove, and the upper screw rod (4) is nested and installed in the upper horizontal slide groove.

5. The synchronous device for transparent fabric printing and paint printing according to claim 1, characterized in that: The mounting seat (1) is provided with a lower horizontal slide groove for the lower moving block (7) to slide horizontally, and the lower moving block (7) passes through the lower horizontal slide groove and extends into the mounting seat (1).

6. The synchronous device for transparent fabric printing and paint printing according to claim 1, characterized in that: The coating spray head (22) and the burning agent spray head (23) are both electronic inkjet heads.

7. The synchronous device for transparent fabric printing and paint printing according to claim 3 is characterized in that: Both the air extraction pipe (14) and the exhaust pipe (16) are provided with a one-way valve at the connection points with the air extraction cylinder (15).

8. The synchronous device for transparent fabric printing and paint printing according to claim 3 is characterized in that: The vacuum cylinder (15) is fixedly connected to the top plate of the mounting seat (1), and the outer end of the exhaust pipe (16) is connected to a dust cover.

9. A synchronous process of transparent printing and paint printing on fabrics, using the synchronous device of transparent printing and paint printing on fabrics as claimed in claim 4, characterized in that: The steps include: Step 1, feeding the fabric into the above-mentioned fabric transparent printing and paint printing synchronization device, performing paint printing and transparent printing synchronous spraying operations, and performing negative pressure suction to obtain primary printed fabric; Step 2, pre-drying the primary printed fabric obtained in step 1 to solidify the coating to obtain pre-dried printed fabric; Step 3, alkali washing and water washing are performed on the pre-baked printed fabric obtained in step 2 to obtain washed fabric; Step 4: Dry and soften the washed fabric obtained in step 3 to obtain finished fabric.

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