A template device for sewing and judging fabric margin error

Abstract

The utility model relates to the technical field of textile industry. A template device for sewing and judging edge difference in fabric, including work table, the work table is embedded with machine table, be equipped with sewing machine on the machine table, be equipped with presser foot and needle point on the sewing machine, be equipped with template on the machine table, the template includes the left side's measuring tape and right side's mainboard, the measuring tape surface is equipped with length scale, be equipped with the pressing plate for fixed fabric on the mainboard, be equipped with guide structure on the mainboard, be equipped with cloth positioning module on the sewing machine. The utility model provides a kind of template device for sewing and judging edge difference in fabric, which can accurately judge the color difference level of cloth strip sample left, middle and right, and can quickly and accurately sew cloth strip sample according to specified conditions, to meet the higher processing demand. The technical problem that the existing technology cannot unify the edge difference judgment of finished product after cloth shuttle weaving dyeing, there is error in manual naked-eye judgment, affects the accuracy of determination result, and cannot meet higher processing demand is solved.

Description

Technical Field

[0001] This utility model relates to the field of textile technology, and in particular to a template device for sewing and judging edge defects in fabrics. Background Technology

[0002] Fabric inspection is required for woven and dyed finished products in printing and dyeing factories. One of the defects is "center-edge difference".

[0003] Before judging the difference between the center and the edge, it needs to be sewn into a specific form. However, traditional sewing techniques rely on the experience of technicians, and sometimes the sewing standards may vary slightly, affecting the accuracy of the judgment results. Therefore, it is necessary to improve them. Utility Model Content

[0004] This invention provides a template device for sewing and judging edge differences in fabrics that can accurately judge the color difference level of the left, center, and right sides of a fabric sample and can quickly and accurately sew the fabric sample according to specified conditions, thus meeting higher processing requirements. It solves the technical problem in the prior art that the edge difference judgment of finished products after woven and dyed fabrics cannot be unified, and that the judgment by human eyes is prone to error, affecting the accuracy of the judgment results and failing to meet higher processing requirements.

[0005] The above-mentioned technical problem of this utility model is solved by the following technical solution: A template device for sewing and judging edge defects in fabric includes a worktable, a machine base embedded in the worktable, a sewing machine on the machine base, a presser foot and a stitch on the sewing machine, a template on the machine base, the template including a measuring ruler on the left and a main board on the right, the measuring ruler having length markings on its surface, a pressure plate for fixing the fabric on the main board, and a guide structure that cooperates with the presser foot on the main board; the sewing machine has a fabric positioning module. Before processing, a strip of fabric is cut horizontally from a fabric width, the two ends of the strip are folded in half and placed on the template surface, the open end of the strip is placed horizontally at the end of the measuring ruler, the pressure plate is placed on the strip and pressed tightly, the guide structure can provide guidance for the template to feed forward, ensuring that the template moves in a straight line, and the function of the fabric positioning module is to position the end of the fabric and the sewing line.

[0006] Preferably, the measuring ruler is rotatably connected to the main board via a pin, and a hidden groove is provided at the corner of the main board, with the end of the measuring ruler rotatably installed in the hidden groove. The length of the measuring ruler can be adjusted according to the length of the fabric strip. This utility model is illustrated using a 15cm measuring ruler as an example. The fabric strip is sewn at 15cm after being folded in half, and the measuring ruler can rotate upwards by 90 degrees to avoid interference between the measuring ruler and the presser foot during sewing.

[0007] Preferably, the measuring ruler rotates at an angle between 0 and 90 degrees. When the measuring ruler is horizontal, it is at a 180-degree angle to the template; when the measuring ruler is folded upwards, it is at a 90-degree angle to the template.

[0008] Preferably, the front or rear end of the pressure plate is hinged and rotatably mounted on the main board, and the bottom of the pressure plate is provided with anti-slip strips. The function of the pressure plate is to clamp the fabric strip, and the anti-slip strips on the bottom of the pressure plate are to prevent the fabric strip from sliding.

[0009] Preferably, the pressure plate has corresponding strong magnets on its surface. The pressure plate is fixed to the surface of the main board by the strong magnets, thus pressing the fabric firmly.

[0010] Preferably, the guiding structure includes a guide groove formed on the main board, an extension block fixedly provided on the pressure foot, and a guide protrusion on the extension block corresponding to the guide groove. When the template and the fabric strip are fed forward, the guide protrusion on the pressure foot will engage with the guide groove on the main board to ensure that the template moves forward in a straight line.

[0011] Preferably, the fabric positioning module includes two laser emitters fixed on the sewing machine. The central laser emitter corresponds to the needle, and the left laser emitter is 2cm away from the central laser emitter. The laser emitters project two straight lines onto the fabric surface. The right line is the sewing line, and the left laser line is used to position the fabric end during the second sewing.

[0012] Preferably, the sewing machine is provided with spaced mounting slots, and the laser emitter is fixed in the mounting slots by magnetic attraction or buckle.

[0013] Preferably, the machine surface has a groove for placing scissors or cutting blades, which are connected to the machine via elastic cords. After the first sewing, the closed end of the fabric strip is cut open using scissors or cutting blades to facilitate the second sewing.

[0014] Preferably, a color difference rating card is embedded on the rear side of the machine surface. After the fabric strip is unfolded, it is divided into four parts: the middle, left, right, and middle. The color difference between the left and right ends of the fabric strip and the middle part can be compared by washing, and the color difference is rated and recorded by the color difference rating card.

[0015] Therefore, the template device of this utility model for sewing and judging edge differences in fabric has the following advantages: it can accurately judge the color difference level of the left, center, and right sides of the fabric sample, and can quickly and accurately sew the fabric sample according to the specified conditions, thus meeting higher processing requirements. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a template device for sewing and judging edge defects in fabrics according to the present invention.

[0017] Figure 2 yes Figure 1 A top-view structural diagram.

[0018] Figure 3 yes Figure 1 A schematic diagram of the main structure.

[0019] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0020] In the diagram, 1 is the workbench, 2 is the machine base, 3 is the mounting slot, 4 is the color difference rating card, 5 is the sewing machine, 6 is the presser foot, 7 is the measuring ruler, 8 is the main board, 9 is the pressure plate, 10 is the guide groove, 11 is the guide protrusion, and 12 is the laser emitter. Detailed Implementation

[0021] The technical solution of the utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0022] Example: like Figure 1 and 2 As shown in Figures 3 and 4, a template device for sewing and judging edge defects in fabric includes a workbench 1, an mounting machine 2 embedded in the surface of the workbench 1, and a placement groove 3 for placing scissors on the right side of the machine 2. The placement groove 3 is connected to the scissors by an elastic rope.

[0023] A color difference rating card 4 is embedded on the rear side of the surface of the machine 2.

[0024] A sewing machine 5 is fixedly installed on the machine base 2, and the processing end of the sewing machine 5 is equipped with a matching presser foot and needle.

[0025] The template is placed on the template and is designed to work with the sewing machine 5. The template includes a measuring ruler 7 on the left and a main board 8 on the right. The measuring ruler 7 and the main board 8 are rotatably connected.

[0026] The measuring ruler 7 has length markings printed on its surface. A hidden groove is provided at the corner of the main board 8. The measuring ruler 7 is rotatably connected to the main board 8 via a pin. The end of the measuring ruler 7 is rotatably installed in the hidden groove.

[0027] The rotation angle of measuring ruler 7 is between 0 and 90 degrees, and the edge of measuring ruler 7 is aligned with the two corners of the main board 8.

[0028] A pressure plate 9 for fixing the fabric is installed on the left end of the main board 8. The front part of the pressure plate 9 is mounted on the main board 8 by hinge, and the bottom surface of the pressure plate 9 is equipped with anti-slip strips.

[0029] Strong magnets are embedded inside the pressure plate 9 and on the surface of the main board 8.

[0030] The motherboard 8 is equipped with a guide structure that cooperates with the pressure foot; the guide structure includes a guide groove 10 formed on the motherboard 8, and an extension block extending to the right is fixedly installed on the pressure foot. The extension block has an integrally formed guide protrusion 11 corresponding to the guide groove 10.

[0031] The sewing machine 5 is equipped with a fabric positioning module for positioning the fabric; the fabric positioning module includes two laser emitters 12 fixed on the sewing machine 5, and two mounting slots are provided on the sewing machine 5 at intervals, and the laser emitters 12 are fixed in the mounting slots by magnetic blocks.

[0032] The laser emitter 12 in the middle corresponds to the pin, and the laser emitter 12 on the left is 2cm away from the laser emitter 12 in the middle.

[0033] Before processing, cut a strip of fabric horizontally from a fabric width, fold both ends of the strip in half and place it on the template surface, with the open end of the strip placed horizontally at the end of the measuring ruler 7, and press the pressure plate 9 on the strip. Then rotate the measuring ruler 7 upwards by 90 degrees to avoid interference between the measuring ruler 7 and the presser foot.

[0034] At this time, the laser emitter 12 projects two straight lines onto the fabric surface. The straight line on the right is the sewing line. The template and the strip of fabric are pushed forward as a whole. During the push, the guide groove 10 will engage with the guide protrusion 11 on the extension block to ensure that the template is pushed forward in a straight line and the stitches will be sewn according to the laser straight line on the right.

[0035] After sewing, use scissors to cut open the closed part on the right end, and flip the cut ends over and overlap them with the left end, ensuring that the outer surface is facing up. Then, place the strip of fabric back on the wooden board, aligning the end of the strip with the laser line on the left. Use the pressure plate 9 to clamp the strip of fabric again, and then feed the strip of fabric forward and sew it twice on both sides.

[0036] Finally, turn the inside of the fabric strip out. At this point, the fabric strip is divided into four parts: the middle, left, right, and middle. You can wash and compare the color difference between the left and right ends of the fabric strip and the middle part, and rate and record the color difference using the color difference rating card 4.

[0037] The specific embodiments described herein are merely illustrative examples of the present invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A template device for sewing and judging edge defects in fabric, characterized in that: The device includes a workbench, a sewing machine mounted on the workbench, a presser foot and a stitch on the sewing machine, a template on the workbench, a measuring ruler on the left and a main board on the right, the measuring ruler having length markings on its surface, a pressure plate for fixing the fabric on the main board, and a guide structure that cooperates with the presser foot; the sewing machine also has a fabric positioning module.

2. The template device for sewing and judging edge defects in fabric according to claim 1, characterized in that: The measuring tape is rotatably connected to the main board via a pin. A hidden groove is provided at the corner of the main board, and the end of the measuring tape is rotatably installed in the hidden groove.

3. A template device for sewing and judging edge defects in fabric according to claim 2, characterized in that: The measuring ruler can rotate between 0 and 90 degrees.

4. A template device for sewing and judging edge defects in fabric according to claim 3, characterized in that: The pressure plate is hinged and rotatably mounted on the main board at its front or rear end, and the bottom of the pressure plate is provided with anti-slip strips.

5. A template device for sewing and judging edge defects in fabric according to claim 4, characterized in that: The pressure plate has corresponding strong magnets on the surface of the main board.

6. A template device for sewing and judging edge defects in fabric according to claim 5, characterized in that: The guide structure includes a guide groove formed on the motherboard, an extension block fixed on the pressure foot, and a guide protrusion on the extension block corresponding to the guide groove.

7. A template device for sewing and judging edge defects in fabric according to claim 1, characterized in that: The fabric positioning module includes two laser emitters fixed on the sewing machine. The laser emitter in the middle corresponds to the needle, and the laser emitter on the left is 2cm away from the laser emitter in the middle.

8. A template device for sewing and judging edge defects in fabric according to claim 7, characterized in that: The sewing machine is provided with spaced mounting slots, and the laser emitter is fixed in the mounting slots by magnetic attraction or buckle.

9. A template device for sewing and judging edge defects in fabric according to claim 1, characterized in that: The machine base has a mounting groove on its surface for placing scissors or cutting blades, which are connected to the machine base by elastic ropes.

10. A template device for sewing and judging edge defects in fabric according to claim 9, characterized in that: A color difference rating card is embedded on the rear side of the machine surface.

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