Anti-empty-needle faller for overlocking elastic fabric
By designing an anti-empty needle plate and using adjustable baffles to prevent elastic fabrics from curling during overlocking, the problems of curling and empty needles during the overlocking process of elastic fabrics are solved, achieving high-quality sewing results.
Patent Information
- Application Number
- CN202520081815.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Elastic fabrics are prone to curling and missing stitches during overlocking, which affects the quality of the finished product and fails to meet high-quality requirements.
An anti-air needle plate was designed, comprising a detachable needle plate, a feed trough, a feed protrusion, a sewing device, a presser foot tongue, and a baffle. The position of the baffle is adjusted by adjusting the components to prevent the fabric from curling and ensure the fabric is flat.
It effectively avoids the phenomenon of empty stitches during the sewing process, ensuring the flatness of the fabric and the quality of the finished product, and meeting higher usage requirements.
Smart Images
Figure CN223738289U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to clothing processing technical field especially relates to a prevent empty needle needle plate for elastic fabric overlock. BACKGROUND
[0002] Overlock is very common in clothing production process, and the conventional fabric prevents the overlock process from being scattered, and the overlock process is beautiful and firm, and is also an ordinary but very important process in production, and the customer usually adopts the process of women's clothing bone to sew the elastic cotton fabric, because the fabric has very large transverse elasticity, and the sewing thread will pull the fabric to the right side during overlock, and the sewing thread will also be rolled up to the opposite side, the sewing thread does not fit the fabric, and the quality cannot be guaranteed, and the process requirement of the customer cannot be met, therefore, it is necessary to improve. SUMMARY
[0003] The utility model provides a kind of prevent empty needle needle plate for elastic fabric overlock, which can effectively avoid the phenomenon of empty needle in the sewing process, ensure the flatness of cloth, ensure the quality of finished product, meet higher demand, solve the technical problems that elastic fabric is prone to edge curling and empty needle during overlock in the prior art, affect the quality and effect of finished product, and cannot meet higher use demand.
[0004] The above technical problems of the utility model are solved by the following technical scheme: a prevent empty needle needle plate for elastic fabric overlock, comprising a workbench, the workbench surface is embedded with a detachable needle plate, a sewing equipment is arranged above the needle plate, a plurality of feeding grooves are formed in the surface of the needle plate, a feeding protrusion is arranged in each feeding groove, a needle is arranged on the sewing equipment, a corresponding needle slot is formed in the needle plate, a presser foot tongue plate is arranged below the sewing equipment and matched with the needle, a baffle for preventing fabric edge curling is arranged on one side of the needle plate, and an adjusting assembly is arranged on the needle plate to move the baffle. During work, the presser foot tongue plate is pressed on the needle plate to continuously overlock and sew with the feeding protrusion, the fabric is pressed by the presser foot tongue plate in the clamping groove, the baffle prevents the fabric from moving and curling, and the left and right positions of the baffle can be adjusted according to the model of the needle plate, which can effectively prevent the empty needle caused by the fabric being pulled to the right and curled down during sewing, and the quality of finished product is excellent.
[0005] Preferably, the baffle is a smooth metal sheet or a plastic sheet. In the utility model, the baffle is a smooth metal sheet or a plastic sheet, and the utility model is described by taking the smooth metal sheet as an example. The edges of the baffle are rounded, which can ensure small friction with cloth and small impact on cloth.
[0006] As preferred, the adjusting assembly comprises an adjusting slot opened on the needle plate, a detachable adjusting screw is rotatably arranged in the adjusting slot, a baffle is sleeved on the adjusting screw, and the baffle is threadedly connected with the adjusting screw.
[0007] As preferred, the screw thread is arranged on the middle section of the adjusting screw, and both ends of the adjusting screw are rotatably arranged on the needle plate.
[0008] As preferred, a reset spring is sleeved on the adjusting screw between the needle plate and the baffle.
[0009] As preferred, the adjusting assembly further comprises a plurality of guide rods fixed on the back of the baffle, and the guide rods extend outwardly through the needle plate. The guide rods on the back of the baffle provide a guiding function for the movement adjustment of the baffle.
[0010] As preferred, the presser foot tongue plate is provided with a clamping groove corresponding to the baffle. In operation, the presser foot tongue plate is pressed on the needle plate to cooperate with the feeding protrusion to continuously overlock and sew, and in the operation process, the baffle on the needle plate is clamped in the clamping groove, the presser foot tongue plate presses the fabric, and the baffle prevents the fabric from moving and causing the hemming.
[0011] As preferred, the presser foot tongue plate is installed on the sewing equipment through a rocker arm. The presser foot tongue plate can swing freely within a certain range through the rocker arm.
[0012] Therefore, the anti-empty-needle needle plate for overlocking of elastic fabric has the following advantages: the phenomenon of empty needle in the sewing process can be effectively avoided, the flatness of the fabric in the sewing process is ensured, the product quality is ensured, and higher requirements are met. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a perspective structural schematic view of the anti-empty-needle needle plate for overlocking of elastic fabric.
[0014] Figure 2 is Figure 1 is an enlarged view of A in FIG.
[0015] Figure 3 is Figure 1 is a top view and sectional structural schematic view of FIG.
[0016] Figure 4 is Figure 3 is an enlarged view of B in FIG.
[0017] Figure 5 is Figure 1 is a top view and sectional structural schematic view of the presser foot tongue plate in FIG.
[0018] Figure 6 isFigure 5 Enlarged view at C.
[0019] In the figure, the workbench 1, the needle plate 2, the feeding groove 3, the feeding protrusion 4, the sewing device 5, the needle groove 6, the presser foot tongue plate 7, the baffle 8, the clamping groove 9, the adjusting groove 10, the adjusting screw 11, the reset spring 12, the guide rod 13. DETAILED DESCRIPTION
[0020] The technical scheme of the utility model will be further specifically explained below by examples in combination with the drawings.
[0021] Embodiment:
[0022] As Figure 1 and 2 and 3 and 4 and 5 and 6, a needle plate for preventing empty needle of elastic fabric overlock, including workbench 1, the surface of workbench 1 is embedded with detachable needle plate 2, a plurality of feeding grooves 3 are formed in needle plate 2, and feeding protrusions 4 are installed in each feeding groove 3.
[0023] Sewing device 5 is installed above needle plate 2, a needle is installed at the bottom of sewing device 5, and a needle groove 6 corresponding to the needle is formed in needle plate 2; a presser foot tongue plate 7 matched with the needle is installed at the bottom of sewing device 5, and the presser foot tongue plate 7 is installed on sewing device 5 through a rocker arm.
[0024] A baffle 8 for preventing fabric from rolling is installed on the right side of needle plate 2, the baffle 8 is a smooth metal sheet; and an adjusting assembly for moving the baffle 8 is installed on needle plate 2.
[0025] A clamping groove 9 corresponding to the baffle 8 is formed in the presser foot tongue plate 7, and the clamping groove 9 is a U-shaped clamping groove 9.
[0026] The adjusting assembly includes an adjusting groove 10 formed in the right side of needle plate 2, a detachable adjusting screw 11 is rotatably installed in the adjusting groove 10, and the baffle 8 is installed outside the adjusting screw 11; a thread is formed in the middle segment of the adjusting screw 11, and both ends of the adjusting screw 11 are rotatably installed on needle plate 2.
[0027] A reset spring 12 is installed outside the adjusting screw 11 between needle plate 2 and the baffle 8.
[0028] The adjusting assembly further includes two guide rods 13 fixed on the back of the baffle 8, and the guide rods 13 extend to the right side through needle plate 2.
[0029] In working, the presser foot tongue plate 7 is pressed on the needle plate 2 to cooperate with the feeding protrusion 4 to continuously overlock and sew, the baffle 8 on the needle plate 2 is clamped in the clamping groove 9 in the working process, the presser foot tongue plate 7 presses the fabric, the baffle 8 prevents the fabric from moving to cause the rolling, and the left and right positions of the baffle 8 can be adjusted according to the type of the needle plate 2, the rotation adjusting screw 11 drives the baffle 8 to move left and right to adjust, the fabric can be effectively prevented from being pulled to the right to cause the rolling and the empty needle, and the quality of the finished product is excellent.
[0030] The specific embodiments described herein are merely illustrative of the principles of the application. Numerous modifications and adaptations will be apparent to those skilled in the art without departing from the spirit and scope of the application.
Claims
1. A pin guard for elasticized hemming comprising a worktable, characterized in that: The workbench surface is embedded with a detachable needle plate, and a sewing device is arranged above the needle plate; a plurality of feeding grooves are formed in the surface of the needle plate, and a feeding protrusion is arranged in each feeding groove; a needle is arranged on the sewing device, and a corresponding needle groove is formed in the needle plate; a presser foot tongue plate matched with the needle is arranged below the sewing device, a baffle for preventing fabric from rolling is arranged on one side of the needle plate, and an adjusting assembly for moving the baffle is arranged on the needle plate.
2. A needle guard for serging elastic fabric according to claim 1, wherein: The baffle is a metal sheet or a plastic sheet with smooth surface.
3. A needle guard for serging elastic fabric according to claim 1, wherein: The adjusting assembly comprises an adjusting groove formed in the needle plate, and a detachable adjusting screw is rotatably arranged in the adjusting groove; the baffle is sleeved on the adjusting screw, and the baffle is threadedly connected with the adjusting screw.
4. A needle guard for serging elastic fabric according to claim 3, wherein: The thread is formed in the middle section of the adjusting screw, and both ends of the adjusting screw are rotatably installed on the needle plate.
5. A needle guard for serging elastic fabric according to claim 3, wherein: A return spring is sleeved on the adjusting screw between the needle plate and the baffle.
6. A needle guard for serging elastic fabric according to claim 1, wherein: The adjusting assembly further comprises a plurality of guide rods fixed on the back of the baffle, and the guide rods extend outward through the needle plate.
7. A needle guard for serging elastic fabric according to claim 1, wherein: A clamping groove corresponding to the baffle is formed in the presser foot tongue plate.
8. A needle guard for serging elastic fabric according to claim 7, wherein: The presser foot tongue plate is installed on the sewing device through a rocker arm.