Cloth additive screen printing machine

Abstract

The utility model discloses a cloth additive screen printing machine which comprises a scraper assembly and a transverse adjusting assembly, and the scraper assembly can control a scraper and a screen to ascend and descend and control the scraper to transversely scrape the screen for printing. The transverse adjusting assembly comprises a screen adjusting motor, a screen adjusting sliding rail, an adjusting support, a ball screw and a screw support. According to the cloth additive screen printing machine, the transverse position of the screen can be adjusted through the transverse adjusting assembly, so that the transverse position of a printed pattern can be accurately controlled, and the printing precision is improved.

Description

Technical Field

[0001] The present application relates to the technical field of fabric printing, and in particular to a fabric additive screen printing machine. Background Art

[0002] An additive screen printing machine for fabrics is a printing device that repeatedly applies additive printing to the same location on fabric to create a pattern of a certain thickness on the fabric surface. When using an additive screen printing machine for fabrics, different printing screens need to be replaced depending on the pattern being printed. Therefore, additive screen printing machines for fabrics are often equipped with multiple different screens. Different screens have varying dimensions, and the width of the fabric and the position of the screen on the printing table can also vary. These deviations can lead to errors in the lateral positioning of the printed pattern on the fabric. Therefore, there is a need to improve the structure of existing additive screen printing machines for fabrics to enhance printing accuracy. Utility Model Content

[0003] In view of the above problems, the present application provides a fabric additive screen printing machine to solve the technical problem of low printing precision along the horizontal direction of the screen.

[0004] To achieve the above objectives, the present application provides a cloth additive screen printing machine, comprising:

[0005] A base, wherein a printing platform is provided on the base;

[0006] The scraper assembly includes: a scraper, a scraper lifting motor, a scraper transverse motor, a scraper transverse slide, a screen lifting bracket, and a screen lifting motor; the scraper lifting motor and the scraper transverse motor are arranged on the screen lifting bracket, the screen lifting motor is used to drive the screen lifting bracket to lift and lower so that the lower surface of the screen is close to the fabric; the scraper lifting motor is used to drive the scraper to lift and lower so that the scraper contacts the screen; the scraper transverse motor is used to drive the scraper to move along the scraper transverse slide so that the scraper transversely scrapes the screen to perform printing;

[0007] A lateral adjustment component is used to adjust the position of the mesh plate laterally; it includes: a mesh plate adjustment motor, a mesh plate adjustment slide rail, an adjustment bracket, a ball screw and a screw support; the mesh plate adjustment motor is transmission-connected to the ball screw, and the screw support is arranged on the adjustment bracket and connected to the ball screw; the mesh plate adjustment slide rail is horizontally arranged, the adjustment bracket is slidingly connected to the mesh plate adjustment slide rail, and the mesh plate is detachably connected to the adjustment bracket; the mesh plate adjustment motor is used to drive the ball screw to rotate to adjust the position of the adjustment bracket on the mesh plate adjustment slide rail.

[0008] Furthermore, the lateral adjustment assembly also includes a mounting seat, the screen adjustment motor is arranged on the upper surface of the mounting seat, and the screen adjustment slide rail is arranged on the lower surface of the mounting seat.

[0009] Furthermore, the adjustment brackets are provided at both ends along the length direction of the mesh plate; the adjustment brackets are provided with mesh plate connecting blocks, electromagnets are provided in the mesh plate connecting blocks, and metal blocks compatible with the electromagnets are provided on the outer frame of the mesh plate.

[0010] Furthermore, the mounting seat is an L-shaped mounting seat, including a vertical plate arranged in the vertical direction and a horizontal plate connected to the bottom of the vertical plate and arranged in the horizontal direction; the mounting seat is connected to the screen lifting bracket through the vertical plate, the screen adjustment motor is arranged on the upper surface of the horizontal plate, and the ball screw is rotatably mounted on the lower surface of the horizontal plate through a bearing.

[0011] Furthermore, a pulley is provided at the end of the ball screw, and the screen adjustment motor is connected to the pulley via a transmission belt.

[0012] Furthermore, the scraper lifting motor drives the scraper to lift and lower via a gear and a rack.

[0013] Furthermore, the upper surface height of the printing table exceeds the top of the base, and a longitudinal cloth guide conveyor belt is provided on the printing table.

[0014] Furthermore, the screen adjustment motor is a servo motor or a stepping motor.

[0015] Different from the existing technology, the above-mentioned technical solution of the fabric additive screen printing machine includes a scraper assembly and a lateral adjustment assembly. The scraper assembly can control the lifting and lowering of the scraper and the screen, and control the scraper to scrape the screen horizontally for printing; the lateral adjustment assembly includes: a screen adjustment motor, a screen adjustment slide rail, an adjustment bracket, a ball screw and a screw support; the lateral position of the screen (i.e., the position in the width direction of the fabric) can be adjusted through the lateral adjustment assembly, so that the lateral position of the printed pattern can be accurately controlled, thereby improving the printing accuracy.

[0016] The above-mentioned records related to the content of the utility model are only an overview of the technical solution of this application. In order to enable ordinary technicians in this field to understand the technical solution of this application more clearly, and then implement it according to the text of the specification and the contents recorded in the drawings, and to make the above-mentioned purposes and other purposes, features and advantages of this application easier to understand, the following is an explanation in combination with the specific implementation methods and drawings of this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of this application and other related contents, and are not to be considered as limiting this application.

[0018] In the drawings of the specification:

[0019] Figure 1 It is a structural schematic diagram of the additive screen printing machine described in the specific embodiment;

[0020] Figure 2 This is a structural schematic diagram of the additive screen printing machine described in the specific embodiment with the scraper assembly hidden;

[0021] Figure 3 for Figure 2 A partial enlarged view of part A;

[0022] Figure 4 This is a schematic structural diagram of the additive screen printing machine according to the specific embodiment from another perspective after the scraper assembly is hidden;

[0023] Figure 5 for Figure 4 A partial enlarged view of part B;

[0024] The reference numerals in the above drawings are described as follows:

[0025] 1. Base; 2. Scraper assembly; 3. Horizontal adjustment assembly;

[0026] 11. Column; 12. Printing table; 21. Scraper transverse slide rail; 22. Scraper transverse motor; 23. Scraper lift motor; 24. Scraper; 25. Screen lift bracket; 26. Screen lift motor; 27. Screen;

[0027] 31. Screen adjustment motor; 32. Mounting base; 33. Screen adjustment rail; 34. Adjustment bracket; 35. Screen connection block; 36. Ball screw; 37. Screw support;

[0028] 311, transmission belt; DETAILED DESCRIPTION

[0029] In order to explain in detail the possible application scenarios, technical principles, specific solutions that can be implemented, and the purpose and effects of this application, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application and are therefore only examples and are not intended to limit the scope of protection of this application.

[0030] References to "embodiments" herein mean that the specific features, structures, or characteristics described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the word "embodiment" in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the various technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution.

[0031] Unless otherwise defined, the technical terms used herein have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms herein is only for describing specific embodiments and is not intended to limit this application.

[0032] In the description of this application, the term "and / or" is used to describe a logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and both A and B exist. In addition, the character " / " in this document generally indicates that the objects before and after are in a logical "or" relationship.

[0033] In this application, terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, priority or sequence relationship between these entities or operations.

[0034] Without further limitations, in this application, the words "include", "comprise", "have" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those defined elements, but also other elements not explicitly listed, or elements inherent to such process, method or product.

[0035] Consistent with the understanding in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceed" are understood to exclude the number itself; expressions such as "above," "below," and "within" are understood to include the number itself. Furthermore, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this manner, such as "multiple groups," "multiple times," etc., unless otherwise specifically defined.

[0036] In the description of the embodiments of the present application, the space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it should not be understood as a limitation on the embodiments of the present application.

[0037] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms "installed", "connected", "connected", "fixed", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art of the present application, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0038] See also Figures 1 to 5 This embodiment provides a fabric additive screen printing machine. The fabric additive screen printing machine can be used for additive printing of various fabrics, thereby forming a printed pattern with a certain thickness on the surface of the fabric. During additive printing, the required screen 27 is installed on the fabric additive screen printing machine, and a certain amount of printing ink is injected into the upper surface of the screen 27. The ink is then scraped along the upper surface of the screen 27 by a scraper 24, so that the ink penetrates the pattern on the screen 27 and is printed on the fabric, thereby forming a printed pattern of a certain shape on the fabric. During additive printing, the fabric additive screen printing machine needs to perform screen printing multiple times (for example, 20 times) at the same position so that the printed pattern reaches the desired thickness requirement. The fabric additive screen printing machine is provided with a lateral adjustment component 3, through which the lateral position of the screen 27 (i.e., the position in the width direction of the fabric) can be adjusted, thereby improving the technical problem of low lateral position accuracy of the printed pattern.

[0039] like Figure 1As shown, in this embodiment, the fabric additive screen printing machine includes: a base 1, a scraper assembly 2 and a lateral adjustment assembly 3. The base 1 is the basic structural frame of the fabric additive screen printing machine, and a printing table 12 is provided on the base 1, on which the fabric is printed, and the scraper assembly 2 and the lateral adjustment assembly 3 are both provided on the base 1. The base 1 can be formed by splicing structural parts such as angle irons and aluminum profiles, and the base 1 is provided with a plurality of columns 11. The printing table 12 can be provided on the top of the base 1, and in order to facilitate fabric printing, the height of the printing table 12 can be slightly higher than the top of the base 1. The printing table 12 has a certain length, and the width of the printing table 12 should be slightly larger than the width of the fabric, Figure 1 In the figure, the direction indicated by the arrow X is the width direction of the fabric, which is also the length direction of the screen 27, the direction indicated by the arrow Y is the length direction of the fabric, and the direction indicated by the arrow Z is the height direction, which is also the thickness direction of the additive printing. When performing additive printing on fabric (for example, additive printing on shoe upper fabric), in order to allow the ink on the screen 27 to adhere to the fabric and form a clear and complete printed pattern, the fabric can be laid on a flat printing plate, and then the printing plate can be transferred to the printing table 12 for additive printing. Among them, the printing plate can be made of PE board (i.e. PE material), of course, the printing plate can also be made of a non-metallic material similar to PE material with a certain strength and a certain elasticity. In some embodiments, in order for the printing plate to be stably fixed on the printing table 12 during additive printing, a fixing device such as a suction cup can also be provided on the upper surface of the printing table 12 to fix the printing plate.

[0040] The fabric additive screen printing machine can be set in the middle of the fabric conveying rack, for example, between two fabric conveying racks, with one end of the printing table 12 opposite to one of the fabric conveying racks, and the other end of the printing table 12 opposite to the other fabric conveying rack, and a longitudinal fabric guide conveyor belt (i.e., the conveyor belt in the direction indicated by arrow Y) is provided on the printing table 12. The longitudinal fabric guide conveyor belt can be used to guide the printing plate with the fabric placed on it onto the printing table 12 for printing, and the printing plate can be moved out of the printing table 12 after each printing is completed.

[0041] The scraper assembly 2 is used to drive the stencil 27 and scraper 24 to rise and fall, and to drive the scraper 24 to move relative to the stencil 27 to scrape ink. The ink permeates the pattern on the stencil 27 and is printed on the fabric. The scraper assembly 2 includes: a scraper 24, a scraper lift motor 23, a scraper traverse motor 22, a scraper traverse slide 21, a stencil lift bracket 25, and a stencil lift motor 26. The scraper lift motor 23 and the scraper traverse motor 22 are mounted on the stencil lift bracket 25. Two stencil lift brackets 25 are provided, one at each end of the base 1 in the width direction. The stencil lift motor 26 is connected to the stencil lift brackets 25 to drive the stencil lift brackets 25 up and down, so that the lower surface of the stencil 27 is in close contact with the fabric.

[0042] The scraper lifting motor 23 is used to drive the scraper to lift and lower, so that the scraper 24 contacts the screen 27; the scraper transverse motor 22 is used to drive the scraper 24 to move along the scraper transverse slide rail 21, so that the scraper 24 transversely scrapes the screen 27 for printing.

[0043] The scraper traverse rail 21 is mounted on top of the screen lift bracket 25 and rises and falls with the screen lift bracket 25. The scraper 24 is slidably mounted on the scraper traverse rail 21 via a slider, which is connected to a scraper traverse motor 22 via a transmission assembly such as a transmission belt or a screw. The scraper lift motor 23 is mounted on the slider, and the scraper 24 is connected to the scraper lift motor 23 via a gear and rack lift assembly. Therefore, during printing, the screen lift bracket 25 is driven downward by the screen lift motor 26, so that the screen 27 and the scraper 24 are lowered together, bringing the lower surface of the screen 27 into close contact with the fabric. The scraper lift motor 23 then drives the scraper 24 downward to contact the upper surface of the screen 27. Finally, the scraper traverse motor 22 drives the scraper 24 to scrape along the length of the screen 27 as indicated by the arrow X, thereby causing the ink on the upper surface of the screen 27 to penetrate and print on the fabric according to the pattern on the screen 27.

[0044] The lateral adjustment component 3 is used to lateral adjust the position of the screen 27 so that the printed pattern can be printed at a predetermined position in the width direction of the fabric (for example, 3-5 cm from the edge in the width direction of the fabric). Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the lateral adjustment assembly 3 includes: a screen adjustment motor 31, a screen adjustment rail 33, an adjustment bracket 34, a ball screw 36, and a screw support 37. The screen adjustment motor 31 is in driving connection with the ball screw 36, and the screw support 37 is disposed on the adjustment bracket 34 and connected to the ball screw 36. The screen adjustment rail 33 is disposed horizontally in the transverse direction, and the adjustment bracket 34 is slidably connected to the screen adjustment rail 33. The screen 27 is detachably connected to the adjustment bracket 34. The screen adjustment motor 31 is used to drive the ball screw 36 to rotate to adjust the position of the adjustment bracket 34 on the screen adjustment rail 33.

[0045] The surface of the ball screw 36 is provided with a threaded groove, and a ball is provided on the inner side of the screw support, which is connected to the threaded groove via the ball. Therefore, rotating the ball screw 36 can drive the screw support to move axially relative to the ball screw 36. Two sets of mesh adjustment rails 33, adjustment brackets 34, ball screws 36, and screw supports 37 are provided along the width direction of the fabric (i.e., the direction indicated by arrow X). At least one of the adjustment brackets 34 is connected to the mesh adjustment motor 31. This means that both adjustment brackets 34 at both ends can be provided with a mesh adjustment motor 31, and both mesh adjustment motors 31 can drive the mesh 27 to adjust its position. Alternatively, only one of the adjustment brackets 34 can be connected to the mesh adjustment motor 31, and only one mesh adjustment motor 31 can drive the mesh 27 to adjust its position.

[0046] In this embodiment, the lateral adjustment assembly 3 further includes a mounting seat 32 , the screen adjustment motor 31 is disposed on the upper surface of the mounting seat 32 , and the screen adjustment rail 33 is disposed on the lower surface of the mounting seat 32 .

[0047] The mounting base 32 is fixedly connected to the screen lifting bracket 25, and the ball screw 36 is rotatably arranged on the lower surface of the mounting base 32. The ball screw 36 is parallel to the screen adjustment rail 33 and is arranged in the direction indicated by the arrow X. The adjustment bracket 34 is slidably connected to the screen adjustment rail 33 via a slider. The screw support 37 is mounted on the adjustment bracket 34, and the screw support 37 and the ball screw 36 are connected by threads and balls. Therefore, when the screen adjustment motor 31 drives the ball screw 36 to rotate, the screw support 37 and the ball screw 36 rotate relative to each other, thereby adjusting the position of the screw support 37. The screw support 37 drives the adjustment bracket 34 to move along the screen adjustment rail 33. Since the screen 27 is mounted on the adjustment bracket 34, the screen 27 moves along with the adjustment bracket 34 to adjust its position in the width direction.

[0048] In this embodiment, the screen adjustment motor 31 is a servo motor or a stepper motor to ensure the movement control accuracy of the screen 27. Similarly, the scraper traverse motor 22, scraper lift motor 23 and screen lift motor 26 can also be servo motors or stepper motors.

[0049] Specifically, such as Figure 2 and Figure 5 As shown, in one embodiment, the mounting seat 32 is an L-shaped mounting seat 32, including a vertical plate arranged in the vertical direction and a horizontal plate connected to the bottom of the vertical plate and arranged in the horizontal direction; the mounting seat 32 is connected to the screen lifting bracket 25 through the vertical plate, the screen adjustment motor 31 is arranged on the upper surface of the horizontal plate, and the ball screw 36 is rotatably mounted on the lower surface of the horizontal plate through a bearing.

[0050] In the above embodiment, the ball screw 36 and the screen adjustment motor 31 can be connected to each other via a transmission belt 311, wherein pulleys are provided at one end of the ball screw 36 and on the rotating shaft of the screen adjustment motor 31, and the two pulleys are connected by the transmission belt 311. In other embodiments, the screen adjustment motor 31 and the ball screw 36 can also be connected to each other via other transmission components such as a gear set and a chain.

[0051] like Figure 2 and Figure 3 As shown, in this embodiment, adjustment brackets 34 are provided at both ends of the mesh plate 27 along its length. A mesh plate connecting block 35 is provided on each adjustment bracket 34. Suction cups are mounted on the mesh plate connecting block 35, facing the outer side of the outer frame of the mesh plate 27. The suction cups are connected to a vacuum generator via a pipe, ensuring sufficient suction. Therefore, the suction cups securely fasten the mesh plate 27 to the mesh plate connecting block 35. In another embodiment, an electromagnet can be provided within the mesh plate connecting block 35 to replace the suction cups, and a metal block compatible with the electromagnet can be provided on the outer frame of the mesh plate 27. In this embodiment, the magnetic force generated by the electromagnet attracts the metal block on the edge of the mesh plate 27, thereby firmly securing the mesh plate 27 to the mesh plate connecting block 35. When replacing the mesh plate 27, the electromagnet is de-energized, dissipating the magnetic force. In other embodiments, the mesh plate connecting block 35 and the mesh plate 27 may also be detachably connected to each other by other methods such as snap connection.

[0052] In the above embodiment, the fabric additive screen printing machine includes a scraper assembly 2 and a lateral adjustment assembly 3. The scraper assembly 2 can control the lifting and lowering of the scraper 24 and the screen, and control the scraper 24 to scrape the screen 27 horizontally for printing; the lateral adjustment assembly 3 includes: a screen adjustment motor 31, a screen adjustment slide 33, an adjustment bracket 34, a ball screw 36 and a screw support 37; the lateral adjustment assembly 3 can adjust the lateral position of the screen 27 (that is, the position in the width direction of the fabric), so that the lateral position of the printed pattern can be accurately controlled, thereby improving the printing accuracy.

[0053] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concepts of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. A cloth additive screen printing machine, characterized in that: include: A base, wherein a printing platform is provided on the base; The scraper assembly includes: a scraper, a scraper lifting motor, a scraper transverse motor, a scraper transverse slide, a screen lifting bracket, and a screen lifting motor; the scraper lifting motor and the scraper transverse motor are arranged on the screen lifting bracket, the screen lifting motor is used to drive the screen lifting bracket to lift and lower so that the lower surface of the screen is close to the fabric; the scraper lifting motor is used to drive the scraper to lift and lower so that the scraper contacts the screen; the scraper transverse motor is used to drive the scraper to move along the scraper transverse slide so that the scraper transversely scrapes the screen to perform printing; A lateral adjustment component is used to adjust the position of the mesh plate laterally; it includes: a mesh plate adjustment motor, a mesh plate adjustment slide rail, an adjustment bracket, a ball screw and a screw support; the mesh plate adjustment motor is transmission-connected to the ball screw, and the screw support is arranged on the adjustment bracket and connected to the ball screw; the mesh plate adjustment slide rail is horizontally arranged, the adjustment bracket is slidingly connected to the mesh plate adjustment slide rail, and the mesh plate is detachably connected to the adjustment bracket; the mesh plate adjustment motor is used to drive the ball screw to rotate to adjust the position of the adjustment bracket on the mesh plate adjustment slide rail.

2. The cloth additive screen printing machine according to claim 1, characterized in that: The lateral adjustment assembly further includes a mounting seat, the screen plate adjustment motor is arranged on the upper surface of the mounting seat, and the screen plate adjustment slide rail is arranged on the lower surface of the mounting seat.

3. The cloth additive screen printing machine according to claim 1 or 2, characterized in that: The adjustment brackets are provided at both ends along the length direction of the mesh plate; the adjustment brackets are provided with mesh plate connecting blocks, electromagnets are provided in the mesh plate connecting blocks, and metal blocks adapted to the electromagnets are provided on the outer frame of the mesh plate.

4. The cloth additive screen printing machine according to claim 2, characterized in that: The mounting seat is an L-shaped mounting seat, including a vertical plate arranged in the vertical direction and a horizontal plate connected to the bottom of the vertical plate and arranged in the horizontal direction; the mounting seat is connected to the screen lifting bracket through the vertical plate, the screen adjustment motor is arranged on the upper surface of the horizontal plate, and the ball screw is rotatably mounted on the lower surface of the horizontal plate through a bearing.

5. The cloth additive screen printing machine according to claim 1, characterized in that: A pulley is provided at the end of the ball screw, and the screen adjustment motor is connected to the pulley via a transmission belt.

6. The cloth additive screen printing machine according to claim 1, characterized in that: The scraper lifting motor drives the scraper to move up and down through a gear and a rack.

7. The cloth additive screen printing machine according to claim 1, characterized in that: The upper surface of the printing platform is higher than the top of the base, and a longitudinal cloth guide conveyor belt is provided on the printing platform.

8. The cloth additive screen printing machine according to claim 1, characterized in that: The screen plate adjustment motor is a servo motor or a stepping motor.

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