Straight edge and arc edge spliced sewing template, sewing equipment and sewing method
By designing sewing templates and equipment that can splice straight edges with curved edges, and utilizing the principle of rack meshing to automatically adjust the sewing direction, the problem of unevenness when splicing straight and curved areas is solved, thereby improving clothing quality and production efficiency.
Patent Information
- Application Number
- CN202511191981.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-25
- Publication Date
- 2025-10-17
AI Technical Summary
In clothing production, when straight lines and curved lines are joined together, hand sewing can easily lead to uneven stitching and uneven curvatures, especially when stretch fabrics are used, making the quality of the finished product difficult to control.
Using sewing templates and sewing equipment with straight edges and arc edges, and utilizing the rack meshing principle, the sewing direction is automatically adjusted through the coordination of the needle and presser foot to ensure a smooth arc. This includes the design of the base plate, movable plate, rack and slot, as well as the use of a sewing template machine.
It achieves uniform sewing of straight edges and arc edges, improves production efficiency and the aesthetics and consistency of product quality, and reduces the technical requirements of manual operation.
Smart Images

Figure CN120797329A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of garment making, and particularly relates to a straight edge and arc edge spliced sewing template, a sewing device and a sewing method. BACKGROUND
[0002] Due to garment effect design, when different parts are spliced, the straight line part and the arc line part are often spliced. When splicing by hand, the fabric needs to be pulled and positioned on one side, and sewing is performed on the other side. Uneven tension and non-smooth arc conditions are prone to occur. In particular, when elastic fabric is used, the quality of the finished product is more difficult to control. SUMMARY
[0003] In view of the above problems existing in the prior art, the present application provides a straight edge and arc edge spliced sewing template, a sewing device and a sewing method, which can solve the problems of difficult straight edge and arc edge splicing and poor quality.
[0004] To achieve the above-mentioned purpose, the technical scheme provided by the present application is as follows:
[0005] In a first aspect, the present application provides a straight edge and arc edge spliced sewing template for sewing between the straight edge of at least one first cutting piece and the arc edge of at least one second cutting piece, comprising:
[0006] a bottom plate, the bottom plate is provided with a first rack and a straight slot, the first rack and the straight slot are arranged in parallel;
[0007] a movable plate, the movable plate is provided with a second rack and an arc slot, the arc slot penetrates through the movable plate, and the second rack is engaged and matched with the first rack; during the engagement and rotation of the second rack along the first rack, the arc slot corresponding to the engagement position is aligned with the straight slot.
[0008] Optionally, the curvature of the arc slot is the same as the curvature of the arc edge of the second cutting piece.
[0009] Optionally, the second cutting piece is fixed on the movable plate in a detachable manner, and the first cutting piece is relatively fixed with the bottom plate.
[0010] Optionally, the side of the movable plate facing the bottom plate is provided with double-sided adhesive tape, and the second cutting piece is fixed on the movable plate through the double-sided adhesive tape.
[0011] Optionally, the first cutting piece covers the straight slot, and the second cutting piece covers the arc slot; and / or, the straight edge edge of the first cutting piece to be sewn exceeds the edge of the straight slot by 0.5-2 cm, and / or, the arc edge edge of the second cutting piece to be sewn exceeds the edge of the arc slot by 0.5-2 cm.
[0012] Optionally, a cutting piece positioning plate is further included, which is used to control the relative position between the second cutting piece and the arc-shaped slot of the movable plate; the cutting piece positioning plate is provided with a cutting piece scale line and a third rack, the cutting piece scale line is used to position the placement position of the second cutting piece, and the third rack is used to mesh with the second rack; when the second rack meshes with the third rack, the second cutting piece covers the arc-shaped slot or the arc edge edge to be sewn on the second cutting piece exceeds the edge of the arc-shaped slot by 0.5-2 cm.
[0013] Optionally, a limiting block is further provided on the cutting piece positioning plate, which is used to position the position of the movable plate.
[0014] Optionally, a cover plate is further included, the bottom plate is provided with a first slot position of a positioning line, the cover plate is provided with a second slot position of a positioning line, and when the cover plate is covered to the bottom plate, the first slot position of the positioning line is aligned with the second slot position of the positioning line.
[0015] Optionally, the cover plate is hinged with the bottom plate, and the cover plate can be covered to the bottom plate by rotating along the hinge point.
[0016] In the second aspect, the application further provides a sewing device for splicing straight edges and arc edges, which comprises the sewing template for splicing straight edges and arc edges in the first aspect, and further comprises a sewing template machine, the sewing template machine comprises a presser foot, a needle and a driving member, the driving member is used to drive the bottom plate to move along the straight line where the straight slot is located, the needle is used to stitch the line under the limitation of the presser foot, and during the process that the needle stitches the line on the first cutting piece and the second cutting piece while the bottom plate moves along the straight line where the straight slot is located, the presser foot is limited in the arc-shaped slot of the movable plate, and the presser foot is automatically driven to rotate the second rack of the movable plate along the meshing of the first rack.
[0017] Optionally, a moving plate is provided on the sewing template machine, the driving member is used to drive the moving plate to move, the moving plate is provided with a clamping groove fixing member, and the bottom plate is provided with a fixed clamping groove; the clamping groove fixing member fixes the bottom plate to the moving plate through the fixed clamping groove.
[0018] In the third aspect, the application further provides a sewing method for splicing straight edges and arc edges, which is based on the sewing template for splicing straight edges and arc edges in the first aspect or the sewing device for splicing straight edges and arc edges in the second aspect, and comprises the following steps:
[0019] Placing the first cutting piece on the bottom plate, and controlling the first cutting piece to cover the straight slot or the straight edge edge to be sewn on the first cutting piece to exceed the edge of the straight slot by 0.5-2 cm;
[0020] Fixing the second cutting piece to the movable plate in a detachable manner;
[0021] The second cutting piece is covered on the first cutting piece, the front end of the second rack of the movable plate is engaged with the first rack, then the presser foot of the sewing template machine is limited in the arc-shaped groove position, and the needle starts to sew along the straight line direction of the straight line groove position, the second rack of the self-driven movable plate is rotated along the first rack, and the needle sews along the groove position where the arc-shaped groove position is aligned with the straight line groove position during the rotation until the sewing splicing is completed.
[0022] Optionally, the second cutting piece is placed on the cutting piece positioning plate first, the arc edge to be sewn on the second cutting piece is aligned with the scale line on the cutting piece positioning plate, then the movable plate is covered on the cutting piece positioning plate, and then the second cutting piece is fixed to the movable plate in a detachable manner.
[0023] Compared with the prior art, the present application has at least the following beneficial effects:
[0024] In the present application, the first cutting piece is placed on the bottom plate, and the second cutting piece is fixed on the movable plate. During the sewing process of covering the second cutting piece on the first cutting piece, the second rack is rotated along the first rack, and the arc-shaped groove position corresponding to the engagement part is aligned with the straight line groove position. By moving the needle along the straight line groove position, the sewing and splicing of the straight edge and the arc edge can be realized, the curvature of the splicing part is smooth and uniform, and the quality is high.
[0025] In the present application, the sewing template is automatically adjusted in direction by using the presser foot extrusion and the rack engagement principle without manual pushing.
[0026] In the present application, the cutting piece positioning plate is arranged. The second cutting piece is placed on the scale line limited area of the cutting piece positioning plate first, and then the movable plate is covered on the specified position of the cutting piece positioning plate by using the engagement of the second rack and the third rack. After that, the second cutting piece is transferred to the movable plate, so that the position of the second cutting piece on the movable plate can be accurately ensured, and the position relationship between the first cutting piece and the second cutting piece can be ensured after the movable plate is covered on the bottom plate.
[0027] The present application reduces the technical requirements for manual operation, improves the production efficiency, and guarantees the beauty and consistency of product quality. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 It is a bottom plate structure diagram of a sewing template for splicing a straight edge and an arc edge in an embodiment;
[0029] Figure 2 It is a movable plate structure diagram of a sewing template for splicing a straight edge and an arc edge in an embodiment;
[0030] Figure 3 It is a movable plate structure diagram of a sewing template for splicing a straight edge and an arc edge in an embodiment;
[0031] Reference signs:
[0032] 1, bottom plate; 11, first rack; 12, straight slot; 13, positioning line first slot; 14, cover plate; 141, positioning line second slot; 142, frosted strip; 15, connecting tape; 16, splicing line; 17, fixed clamping groove; 2, movable plate; 21, second rack; 22, arc-shaped slot; 23, double-sided adhesive tape; 3, cutting piece positioning plate; 31, cutting piece scale line; 32, third rack; 33, limiting block. DETAILED DESCRIPTION
[0033] The application will be further described in detail below with reference to the accompanying drawings:
[0034] The experimental methods used in the embodiments of the application are all conventional methods unless otherwise specified.
[0035] The reagent materials used in the present example can be purchased conventionally, and the quantitative experiments involved in the embodiments are all set up with at least three repeated experiments, and the results are averaged.
[0036] Example 1
[0037] A straight edge and arc edge splicing sewing template for sewing between the straight edge of at least one first cutting piece and the arc edge of at least one second cutting piece, comprising:
[0038] A bottom plate 1, the bottom plate 1 is provided with a first rack 11 and a straight slot 12, the first rack 11 is arranged in parallel with the straight slot 12;
[0039] A movable plate 2, the movable plate 2 is provided with a second rack 21 and an arc-shaped slot 22, the arc-shaped slot 22 penetrates through the movable plate 2, the second rack 21 is engaged and matched with the first rack 11; during the engagement and rotation of the second rack 21 along the first rack 11, the arc-shaped slot 22 corresponding to the engagement position is aligned with the straight slot 12.
[0040] Place the first cutting piece on the bottom plate 1, then fix the second cutting piece on the movable plate 2, then cover the side of the movable plate 2 with the second cutting piece on the bottom plate 1, so that the second cutting piece covers the first cutting piece, during the sewing process, the second rack 21 rotates along the first rack 11, and the arc-shaped slot 22 corresponding to the engagement position is aligned with the straight slot 12, the straight edge and the arc edge can be spliced and sewn by moving the needle along the straight slot 12 through the aligned arc-shaped slot 22 and straight slot 12, the curvature at the splicing position is smooth and uniform, which is simple, convenient and high in quality.
[0041] Example 2
[0042] The difference between the present embodiment and example 1 is that the curvature of the arc-shaped slot 22 is the same as the curvature of the arc edge of the second cutting piece.
[0043] The sewing template further comprises a cover plate 14, the bottom plate 1 is provided with a first slot position 13 of a positioning line, the cover plate 14 is provided with a second slot position 141 of the positioning line, when the cover plate 14 is covered to the bottom plate 1, the first slot position 13 of the positioning line is aligned with the second slot position 141 of the positioning line, for arranging a fixing line on the first cutting piece (for fixing between two cutting pieces (such as one layer of fabric + one layer of lining)). In the embodiment, the cover plate 14 is hinged to the bottom plate 1, and the cover plate 14 can be covered to the bottom plate 1 by rotating along the hinge point. Specifically, the hinge mode of the cover plate 14 and the bottom plate 1 is not limited, which can be hinge connection, rotating shaft hinge connection, in the embodiment, the cover plate 14 and the bottom plate 1 are connected through the connecting tape 15 after splicing, and can be rotated along the splicing line 16. The cover plate 14 is further provided with a frosted strip 142, which prevents the garment piece from slipping during sewing. Frosted strips can also be provided on the bottom plate 1 and the movable plate 2 as needed.
[0044] The sewing template further comprises a cutting piece positioning plate 3, which is used to control the relative position between the second cutting piece and the arc-shaped slot 22 of the movable plate 2; the cutting piece positioning plate 3 is provided with a cutting piece scale line 31 and a third rack 32, the cutting piece scale line 31 is used to position the placement position of the second cutting piece, and the third rack 32 is used to mesh with the second rack 21; when the second rack 21 meshes with the third rack 32, the second cutting piece covers the arc-shaped slot 22 or the arc edge edge to be sewn on the second cutting piece exceeds the edge of the arc-shaped slot 22 by 0.5-2 cm (to ensure that the stitch position is left a certain distance from the edge of the cutting piece to avoid thread breakage). The cutting piece positioning plate 3 is further provided with a limiting block 33 above and at both ends of the third rack 32, and the limiting block 33 is used to position the position of the movable plate 2. When the movable plate 2 is covered to the cutting piece positioning plate 3, it is just covered in the area between the limiting blocks 33 and keeps the second rack 21 meshing with the third rack 32.
[0045] The second cutting piece is fixed on the movable plate 2 in a detachable manner, in the embodiment, the side of the movable plate 2 facing the bottom plate 1 is provided with double-sided tape 23, the side of the movable plate 2 with the double-sided tape 23 is covered to the cutting piece positioning plate 3, and the second cutting piece is transferred and fixed to the movable plate 2 under the action of the double-sided tape 23 by pressing the movable plate 2. The first cutting piece is relatively fixed with the bottom plate 1 (which can be realized by the frosted strip).
[0046] In the embodiment, the first cutting piece covers the straight line slot 12, and the second cutting piece covers the arc-shaped slot 22; and / or, the straight edge edge to be sewn on the first cutting piece exceeds the edge of the straight line slot 12 by 0.5-2 cm, and / or, the arc edge edge to be sewn on the second cutting piece exceeds the edge of the arc-shaped slot 22 by 0.5-2 cm, the purpose is to ensure that the stitch position is left a certain distance from the edge of the cutting piece to avoid thread breakage, which can be controlled according to the actual situation, as long as thread breakage can be avoided.
[0047] Embodiment 3
[0048] The application also provides a sewing device for splicing straight edges and arc edges, comprising the sewing template for splicing straight edges and arc edges in Embodiment 2, and further comprising a sewing template machine, the sewing template machine comprising a presser foot, a needle and a driving member, the driving member being used to drive the bottom plate 1 to move along the straight line where the straight slot 12 is located, the needle being used to stitch the line under the limit of the presser foot, and during the movement of the bottom plate 1 along the straight line where the straight slot 12 is located and the stitching of the line on the first and second cutting pieces by the needle, the presser foot is limited in the arc-shaped slot 22 of the movable plate 2 and the presser foot is automatically driven to rotate the second rack 21 of the movable plate 2 along the first rack 11.
[0049] In the embodiment, a moving plate is arranged on the sewing template machine, the driving member is used to drive the moving plate to move, the moving plate is provided with a clamping groove fixing member, and the bottom plate 1 is provided with a fixed clamping groove 17, and the clamping groove fixing member fixes the bottom plate 1 to the moving plate through the fixed clamping groove 17.
[0050] The application also provides a sewing method for splicing straight edges and arc edges, based on the sewing template for splicing straight edges and arc edges in Embodiment 2 or the sewing device for splicing straight edges and arc edges in Embodiment 3, comprising the following steps:
[0051] The first cutting piece is placed on the bottom plate 1, and the first cutting piece covers the straight slot 12 or the straight edge edge to be sewn on the first cutting piece exceeds the edge of the straight slot 12 by 0.5-2 cm;
[0052] In order to ensure the certainty of the position of the second cutting piece on the movable plate 2, so as to ensure the relative position when the first cutting piece and the second cutting piece are overlapped, the arc edge edge to be sewn on the second cutting piece is first aligned with the scale line on the cutting piece positioning plate 3 (or the arc edge edge to be sewn on the second cutting piece is aligned with the area indicated by the limit scale line, such as within the preset distance in a certain direction of the limit scale line), and then the movable plate 2 is overlapped on the cutting piece positioning plate 3 by utilizing the meshing of the second rack 21 and the third rack 32, and then the second cutting piece is fixed to the movable plate 2 in a detachable manner, in the embodiment, the double-sided adhesive tape 23 is pre-pasted on the movable plate 2, the movable plate 2 is pressed during the overlapping process, and the second cutting piece can be automatically transferred to the movable plate 2 under the action of the double-sided adhesive tape 23, so as to realize the relative fixation of the second cutting piece and the movable plate 2.
[0053] The movable plate 2 is overlapped on the bottom plate 1, so that the second cutting piece faces the first cutting piece and is overlapped on the first cutting piece, and the front end of the second rack 21 of the movable plate 2 is meshed with the first rack 11 during the overlapping.
[0054] Then the presser foot of the sewing template machine is limited in the arc-shaped slot 22, and the needle starts to sew along the straight line direction of the straight line slot 12, the presser foot of the second rack 21 of the self-driven movable plate 2 rotates along the first rack 11, and the needle sews along the slot position of the arc-shaped slot 22 and the straight line slot 12 until the sewing splicing is completed.
[0055] The present application does not need to manually push the sewing template, and utilizes the presser foot extrusion and the rack engagement principle to drive the sewing template to automatically adjust the direction. The present application reduces the technical requirements for manual operation, improves the production efficiency, and guarantees the product quality, the beauty and the consistency.
[0056] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.
[0057] The above is only the preferred embodiment of the present application, and it should be pointed out that, for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims
1. A sewing template with straight edges and curved edges, characterized in that: Used for sewing the straight edge of at least one first panel and the arcuate edge of at least one second panel, comprising: A bottom plate, wherein a first rack and a linear slot are provided on the bottom plate, wherein the first rack is arranged parallel to the linear slot; A movable plate is provided with a second rack and an arc-shaped slot, the arc-shaped slot passes through the movable plate, and the second rack is engaged and matched with the first rack; during the engagement and rotation of the second rack along the first rack, the arc-shaped slot corresponding to the engagement portion is aligned with the linear slot.
2. The sewing template with straight edges and arc edges according to claim 1, characterized in that: The curvature of the arc-shaped groove is the same as the curvature of the arc edge of the second piece.
3. The sewing template with straight edges and arc edges according to claim 1, characterized in that: The second cutting piece is detachably fixed to the movable plate, and the first cutting piece is relatively fixed to the bottom plate.
4. The sewing template with straight edges and arc edges according to claim 1, characterized in that: A double-sided tape is provided on one side of the movable plate facing the bottom plate, and the second cut piece is fixed to the movable plate by the double-sided tape.
5. The sewing template with straight edges and arc edges according to claim 1, characterized in that: The first piece covers the straight slot, and the second piece covers the arcuate slot; and / or, the straight edge to be sewn on the first piece exceeds the edge of the straight slot by 0.5-2 cm, and / or, the arcuate edge to be sewn on the second piece exceeds the edge of the arcuate slot by 0.5-2 cm.
6. The sewing template with straight edges and arc edges according to claim 1, characterized in that: It also includes a cutting piece positioning plate, which is used to control the relative position between the second cutting piece and the arc-shaped groove of the movable plate; the cutting piece positioning plate is provided with a cutting piece scale line and a third rack, the cutting piece scale line is used to position the placement position of the second cutting piece, and the third rack is used to engage with the second rack; when the second rack is engaged with the third rack, the second cutting piece covers the arc-shaped groove or the arc edge to be sewn on the second cutting piece exceeds the edge of the arc-shaped groove by 0.5-2 cm.
7. The sewing template with straight edges and arc edges according to claim 1, characterized in that: It also includes a cover plate, the base plate is provided with a first positioning line slot, the cover plate is provided with a second positioning line slot, and when the cover plate is closed onto the base plate, the first positioning line slot is aligned with the second positioning line slot.
8. A sewing device with straight edges and curved edges, characterized in that: The invention comprises a sewing template with straight edges and arc edges as described in any one of claims 1 to 7, and also comprises a sewing template machine, wherein the sewing template machine comprises a presser foot, a needle and a driving member, wherein the driving member is used to drive the base plate to move along the straight line where the straight line groove is located, and the needle is used to sew under the limit of the presser foot. When the base plate moves along the straight line where the straight line groove is located and the needle sews on the first and second cutting pieces at the same time, the presser foot is limited in the arc groove of the movable plate and the presser foot self-drives the second rack of the movable plate to engage and rotate along the first rack.
9. The sewing device for combining straight edges and arc edges according to claim 8, characterized in that: The sewing template machine is provided with a movable plate, the driving member is used to drive the movable plate to move, the movable plate is provided with a slot fixing member, the base plate is provided with a fixed slot, and the slot fixing member fixes the base plate to the movable plate through the fixed slot.
10. A method for sewing straight edges and curved edges, characterized in that: The sewing template with straight edges and arc edges according to any one of claims 1 to 7 or the sewing device with straight edges and arc edges according to any one of claims 8 to 9 comprises: Placing the first piece on the bottom plate, controlling the first piece to cover the linear slot or the straight edge to be sewn on the first piece to extend beyond the edge of the linear slot by 0.5-2 cm; fixing the second panel to the movable plate in a detachable manner; Cover the second piece on the first piece and engage the front end of the second rack of the movable plate with the first rack. Then limit the presser foot of the sewing template machine in the arc groove and the needle starts to sew along the straight direction of the straight groove. The presser foot self-drives the second rack of the movable plate to engage and rotate along the first rack. During the engaging and rotating process, the needle sews along the slot position where the arc groove and the straight groove are aligned until the sewing and splicing are completed.