CN112342700A

CN112342700A - Collar sewing template

Info

Publication number: CN112342700A
Application number: CN202011346312.XA
Authority: CN
Inventors: 高永亮
Original assignee: Jihua 3534 Clothing Co Ltd
Current assignee: Jihua 3534 Clothing Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-02-09
Anticipated expiration: 2040-11-26
Also published as: CN112342700B

Abstract

The invention provides a collar sewing template, which comprises a bottom plate and a cover plate, wherein the bottom plate is provided with a groove; the bottom plate is provided with a first suture groove and two first connecting holes respectively communicated with two ends of the first suture groove, a rotary table is respectively and rotatably connected in the two first connecting holes, a plurality of collar angle suture grooves are arranged on the rotary table at intervals along the circumferential direction of the rotary table, and each collar angle suture groove is respectively used for matching collar angle suture lines of collars of different models; the cover plate is arranged on the bottom plate in a covering mode and used for being matched with the bottom plate to clamp the collar to be sewn; the cover plate is provided with a second suture line groove which vertically corresponds to the first suture line groove, and is also provided with two second connecting holes which are respectively communicated with two ends of the second suture line groove, the two second connecting holes are respectively and rotatably connected with a positioning disc, and the positioning disc is provided with a plurality of positioning holes which vertically correspond to the suture line grooves of all collar angles. The collar sewing template provided by the invention can be suitable for collar sewing operations with different structures by rotating the rotary disc and the positioning disc.

Description

Collar sewing template

Technical Field

The invention belongs to the technical field of garment processing, and particularly relates to a collar sewing template.

Background

In the tailoring process, in order to improve production efficiency and product quality, the sewing process of collar needs to assist through the customization template and sews up, because the neck angle structure of collar is different, the angle variation of neck angle promptly, consequently need customize the template respectively according to the neck angle of different angles, this kind of mode not only can produce a large amount of template consumptive materials, increase manufacturing cost, and because the variety of template is various, need look over the template of matching from the template storehouse to the neck structure in process of production, the effective activity duration of waste, thereby influence production efficiency.

Disclosure of Invention

The invention aims to provide a collar sewing template, and aims to solve the problems that in the prior art, the collar sewing template is high in customization cost, and the production efficiency is affected due to the fact that the template needs to be replaced when different collars are sewn.

In order to achieve the purpose, the invention adopts the technical scheme that: providing a collar sewing template, which comprises a bottom plate and a cover plate; the bottom plate is provided with a first suture groove and two first connecting holes respectively communicated with two ends of the first suture groove, a rotary table is respectively and rotatably connected in the two first connecting holes, a plurality of collar angle suture grooves are arranged on the rotary table at intervals along the circumferential direction of the rotary table, and each collar angle suture groove is respectively used for matching collar angle suture lines of collars of different models; the cover plate is arranged on the bottom plate in a covering mode and used for being matched with the bottom plate to clamp the collar to be sewn; the cover plate is provided with second suture grooves which vertically correspond to the first suture grooves, and is also provided with two second connecting holes which are respectively communicated with two ends of the second suture grooves, the two second connecting holes are respectively and rotatably connected with a positioning disc, and the positioning disc is provided with a plurality of positioning holes which vertically correspond to the suture grooves of the collar angles; when the cover plate and the bottom plate are matched and used for clamping a collar to be sewn to sew, the rotary disc rotates to the collar angle sewing line groove matched with the collar to be sewn to be aligned with the first sewing line groove, and the positioning disc rotates to the corresponding positioning hole to be aligned with the second sewing line groove.

As another embodiment of the present application, the collar corner stitching line groove is an angle line groove penetrating through the peripheral wall of the turntable, the positioning hole is matched with an inner angle sector area of the angle line groove, and the hole wall of the positioning hole penetrates through the peripheral wall of the positioning disc.

As another embodiment of the present application, the positioning plate is provided with fan-shaped cushion blocks in each inner corner fan-shaped area, when the cover plate and the bottom plate are matched to clamp the collar to be sewn, two planar side walls of the fan-shaped cushion blocks and two planar hole walls of the positioning holes jointly enclose a positioning guiding wire slot, and the positioning guiding wire slot is aligned with the corresponding collar corner sewing wire slot up and down.

As another embodiment of the application, when the positioning guide wire groove is aligned with the corresponding collar angle suture wire groove up and down, the arc-shaped side wall of the fan-shaped cushion block is attached to the arc-shaped hole wall of the positioning hole.

As another embodiment of the present application, a first ring groove extending along a circumferential direction of the first connection hole is formed in a hole wall of the first connection hole, and a first sliding piece is arranged on a circumferential wall of the rotary disc and slidably connected in the first ring groove along the circumferential direction of the first connection hole; and a second annular groove extending along the circumferential direction of the second connecting hole is formed in the hole wall of the second connecting hole, a second sliding sheet is arranged on the circumferential wall of the positioning disc, and the second sliding sheet is connected into the second annular groove in a sliding manner along the circumferential direction of the second connecting hole.

As another embodiment of the application, the first sliding pieces are arranged at intervals along the peripheral wall of the rotating disc, and the first sliding pieces are respectively distributed with the collar corner suture slots in a staggered manner; the second sliding sheets are arranged at intervals along the peripheral wall of the positioning disc and are distributed with the positioning holes in a staggered mode.

As another embodiment of the application, the center of the turntable is provided with a positioning round table protruding upwards, the center of the positioning disc is provided with a through hole, and the positioning round table is inserted into the through hole when the cover plate and the bottom plate are matched and clamped with each other to clamp the collar to be sewn.

As another embodiment of the application, the positioning round platform is connected with a first sliding block in a sliding mode along the radial direction of the positioning round platform, a plurality of first clamping grooves are formed in the hole wall of the through hole at intervals along the circumferential direction of the through hole, and when the positioning holes are vertically aligned with the corresponding collar angle suture grooves, the first sliding blocks are clamped with the corresponding first clamping grooves.

As another embodiment of the application, the cover plate is connected with second sliding blocks in a sliding mode on the outer sides of the two second connecting holes respectively along the radial directions of the second connecting holes, a plurality of second clamping grooves are formed in the edges of the two positioning disks respectively along the circumferential direction of the positioning disks at intervals, and when the positioning holes are aligned with the second suture line grooves, the second sliding blocks are clamped with the corresponding second clamping grooves.

As another embodiment of the present application, one side edge of the cover plate is hinged to one side edge of the base plate along the axial direction of the first suture groove.

The collar sewing template provided by the invention has the beneficial effects that: compared with the prior art, when the collar is sewn, firstly, according to the collar corner structure of the collar, the two rotary tables are respectively rotated, the collar corner sewing wire grooves matched with the collar corner structure on the two rotary tables are respectively aligned with the first sewing wire groove, similarly, the two positioning plates are respectively rotated, the positioning holes corresponding to the collar corner sewing wire grooves on the two positioning plates are respectively aligned with the second sewing wire groove, then, the collar to be sewn is clamped between the cover plate and the bottom plate, the stitches of the sewing machine can be sewn on the collar along the paths of the edge of one positioning hole, the second sewing wire groove and the edge of the other positioning hole, and the guide effect of the upper and lower corresponding wire grooves on the cover plate and the bottom plate on the stitches of the sewing machine is utilized, so that the collar sewing quality can be ensured; the collars of different collar angle structures can be respectively rotated to obtain a path which is matched with the collar angle structure and used for guiding the thread groove for collar sewing, so that the application range of the template is improved, the template does not need to be respectively customized for different collar structures, the material consumption for manufacturing the template can be reduced, the production cost is saved, meanwhile, the template does not need to be replaced when the collars of different structures are sewn, the time for looking up the template from a template library can be saved, and the production efficiency can be improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic perspective view of a collar sewing template according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a collar sewing template in an unfolded state according to an embodiment of the present invention;

FIG. 3 is a schematic view of an exploded structure of a collar sewing template according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a turntable used in the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a positioning plate according to an embodiment of the present invention.

In the figure: 1. a base plate; 10. a turntable; 101. a neck angle suture line groove; 102. a fan-shaped cushion block; 103. a first slip sheet; 104. positioning the circular truncated cone; 1041. a first slider; 11. a first suture trough; 12. a first connection hole; 121. a first ring groove; 2. a cover plate; 20. positioning a plate; 201. positioning holes; 2011. positioning the guide wire groove; 202. a through hole; 2021. a first card slot; 203. a second card slot; 204. a second slip sheet; 21. a second suture trough; 22. a second slider; 23. a second connection hole; 231. a second ring groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2 together, a collar sewing template according to the present invention will now be described. The collar sewing template comprises a bottom plate 1 and a cover plate 2; the base plate 1 is provided with a first suture groove 11 and two first connecting holes 12 which are respectively communicated with two ends of the first suture groove 11, the two first connecting holes 12 are respectively and rotatably connected with a rotary table 10, the rotary table 10 is provided with a plurality of collar angle suture grooves 101 at intervals along the circumferential direction, and each collar angle suture groove 101 is respectively used for matching collar angle sutures of collars of different models; the cover plate 2 is covered on the bottom plate 1 and is used for clamping a collar to be sewn in a matching way with the bottom plate 1; the cover plate 2 is provided with second suture line grooves 21 which are vertically corresponding to the first suture line grooves 11, two second connecting holes 23 which are respectively communicated with two ends of the second suture line grooves 21 are also arranged, the two second connecting holes 23 are respectively and rotatably connected with a positioning disc 20, and the positioning disc 20 is provided with a plurality of positioning holes 201 which are vertically corresponding to the collar angle suture line grooves 101; when the cover plate 2 and the base plate 1 are matched and clamped with a collar to be sewn for sewing, the rotary disc 10 rotates until a collar angle sewing line groove 101 matched with the collar to be sewn is aligned with the first sewing line groove 11, and the positioning disc 20 rotates until a corresponding positioning hole 201 is aligned with the second sewing line groove 21.

The invention provides a using mode of a collar sewing template, which comprises the following steps: when the collar is sewn, firstly, according to a collar angle structure (collar angle) of the collar, respectively rotating two turntables 10, selecting collar angle suture grooves 101 matched with the collar angle structure on the two turntables 10 to be respectively aligned with a first suture groove 11, similarly, respectively rotating two positioning disks 20, selecting positioning holes 201 corresponding to the collar angle suture grooves 101 on the two positioning disks 20 to be respectively aligned with a second suture groove 21, in order to avoid the rotation of the turntables 10 or the positioning disks 20 in the sewing process, and after the alignment, pasting and fixing the turntables 10, a bottom plate 1, the positioning disks 20 and a cover plate 2 through adhesive tapes; the collar to be sewn is then clamped between the cover plate 2 and the base plate 1, and it will be understood herein that the line of the collar to be sewn that needs to be sewn should be aligned with the first suture groove 11 and the collar corner suture groove 101 during the clamping process, meanwhile, the cover plate 2 and the bottom plate 1 with the same shape and size can be adopted, the alignment of the first connecting hole 12 and the second connecting hole 23 and the alignment of the first suture groove 11 and the second suture groove 21 can be ensured by aligning the edges of the cover plate 2 and the bottom plate 1, and in order to avoid the relative position of the cover plate 2 and the base plate 1 from being dislocated during the sewing process, the cover plate 2 and the base plate 1 can be positioned by a pin shaft, for example, the base plate 1 is provided with a pin shaft which protrudes upwards, the cover plate 2 is provided with a corresponding pin hole, after the collar is clamped by the cover plate 2 and the base plate 1, the pin shaft penetrates into the pin hole to avoid dislocation of the cover plate 2, and the cover plate 2 and the bottom plate 1 can be clamped tightly by a spring clamp; after the collar is clamped, the edges of the positioning holes 201 are aligned with the collar corner suture grooves 101 below the positioning holes, and the second suture grooves 21 are aligned with the first suture grooves 11, so that the stitches of the sewing machine can run along the suture path formed by the edge of one positioning hole 201, the edge of the second suture groove 21 and the edge of the other positioning hole 201, and the sewing process of the collar can be completed.

When collars of other structures (collar angle angles) need to be sewn, the turnplate 10 and the positioning plate 20 are respectively rotated to enable the collar angle sewing thread groove 101 and the positioning hole 201 which are matched with the structures of the collars to be sewn to be respectively aligned with the first sewing thread groove 11 and the second sewing thread groove 21, and then the collars are clamped and the steps are repeated to sew.

Compared with the prior art, the collar sewing template provided by the invention can ensure the high collar sewing quality by utilizing the guiding function of the corresponding upper and lower wire slots on the cover plate 2 and the bottom plate 1 on the stitches of the sewing machine; the collars with different collar angle structures can obtain a path matched with the collar angle structures and used for guiding the thread grooves for collar sewing by respectively rotating the rotary table 10 and the positioning disc 20, the application range of the template is wide, the template does not need to be respectively customized for the different collar structures, the material consumption for manufacturing the template can be reduced, the production cost is saved, and meanwhile, the template does not need to be replaced when the collars with different structures are sewn, so that the time for finding the template from a template library can be saved, and the production efficiency can be improved.

In the present embodiment, referring to fig. 1 to 5, the collar angle suture slot 101 is an angle slot penetrating through the peripheral wall of the turntable 10, the positioning hole 201 matches with the inner corner sector area of the angle slot, and the hole wall of the positioning hole 201 penetrates through the peripheral wall of the positioning plate 20.

Because the collar angle structures at the two ends of the collar are in an angle shape, the angle-shaped wire grooves are matched with the collar angle structures, the two collar angle sewing wire grooves 101 and the first sewing wire groove 11 form a continuous collar sewing path after the angle-shaped wire grooves are aligned with the first sewing wire groove 11 by utilizing the through structures of the angle-shaped wire grooves and the peripheral wall of the rotary table 10, after the collar is clamped by the cover plate 2 and the base plate 1, because the shapes of the inner corner sector areas of the positioning hole 201 and the angle-shaped wire grooves are matched, the hole wall of the positioning hole 201 and the groove wall of the collar angle sewing wire groove 101 can be flush, a guiding path which is aligned with the collar sewing path on the base plate 1 up and down is formed after the hole wall of the positioning hole 201 is aligned with the second sewing wire groove 21 (when sewing, because the collar covers the base plate 1, namely the collar sewing path is invisible, stitches of the sewing machine need to run along the guiding path on the cover plate, thereby ensuring the sewing quality and improving the sewing efficiency.

Referring to fig. 1 to 5, as a specific embodiment of a collar sewing template provided by the present invention, a positioning plate 20 is provided with a fan-shaped cushion block 102 in each inner corner sector area, when a cover plate 2 and a bottom plate 1 are matched to clamp a collar to be sewn, two planar side walls of the fan-shaped cushion block 102 and two planar hole walls of a positioning hole 201 together enclose a positioning guide line groove 2011, and the positioning guide line groove 2011 is aligned with a corresponding collar corner sewing line groove 101 up and down.

It should be noted that in order to improve the aesthetic property of the collar and avoid the bending of the fold at the collar corner, a convex surface is usually sewn at the collar corner piece of the collar, and the fan-shaped cushion block 102 is arranged here to support the collar corner to be placed down during sewing, so that the convex surface is formed at the sewn collar corner, and the sewing process of the convex surface is convenient and fast; in addition, as the fan-shaped cushion block 102 protrudes upwards, when the collar is clamped between the cover plate 2 and the base plate 1, the fan-shaped cushion block 102 extends into the positioning hole 201, so that two plane side walls of the fan-shaped cushion block 102 and two plane hole walls of the positioning hole 201 form a groove shape to form a positioning guide wire groove 2011, when sewing, a stitch of the sewing machine runs along the positioning guide wire groove 2011, compared with a mode of only depending on the hole walls of the positioning hole 201 for sewing guide, the guide effect is better, and the collar sewing quality can be improved.

In the present embodiment, referring to fig. 1 to 5, when the positioning guiding line groove 2011 is aligned with the corresponding collar angle suture line groove 101 up and down, the arc-shaped sidewall of the fan-shaped cushion block 102 is attached to the arc-shaped hole wall of the positioning hole 201. The cambered side wall of the fan-shaped cushion block 102 is attached to the cambered hole wall of the positioning hole 201, so that the positioning guide line groove 2011 and the collar angle suture line groove 101 are ensured to be reliably aligned up and down, relative rotation between the positioning disc 20 and the rotary disc 10 in the suture process is avoided, the suture process is ensured to be smooth, and the suture efficiency is improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 3 to 5, a first ring groove 121 extending along a circumferential direction of the hole wall of the first connection hole 12 is disposed on the hole wall of the first connection hole 12, a first sliding piece 103 is disposed on a circumferential wall of the rotary disk 10, and the first sliding piece 103 is slidably connected in the first ring groove 121 along the circumferential direction of the first connection hole 12; the hole wall of the second connection hole 23 is provided with a second ring groove 231 extending along the circumferential direction thereof, the circumferential wall of the positioning disk 20 is provided with a second sliding piece 204, and the second sliding piece 204 is slidably connected in the second ring groove 231 along the circumferential direction of the second connection hole 23. The rotation of carousel 10 on bottom plate 1 is realized through the sliding connection of first gleitbretter 103 with first annular 121, and the rotation of positioning disk 20 on apron 2 is realized through the sliding connection of second gleitbretter 204 with second annular 231, and connected mode is simple reliable, and the rotation process is stable to can make things convenient for the switching selection of neck angle suture groove 101 and locating hole 201, convenience in a flexible way uses.

Specifically, referring to fig. 4 and 5, a plurality of first sliding pieces 103 are arranged at intervals along the peripheral wall of the rotating disc 10, and the plurality of first sliding pieces 103 are respectively distributed in a staggered manner with the collar angle suture slots 101; the second sliding pieces 204 are spaced along the peripheral wall of the positioning disk 20, and the second sliding pieces 204 are respectively staggered with the positioning holes 201.

Each first sliding piece 103 is distributed with each collar corner suture groove 101 in a staggered manner, each second sliding piece 204 is distributed with each positioning hole 201 in a staggered manner, so that the collar suture path formed by the alignment of the collar corner suture groove 101 and the first suture groove 11 can be prevented from being blocked by the first sliding piece 103, and meanwhile, the guide path formed by the alignment of the positioning hole 201 and the second suture groove 21 can be prevented from being blocked by the second sliding piece 204; the first sliding sheet 103 and the second sliding sheet 204 are respectively arranged along the peripheral wall of the rotating disc 10 and the peripheral wall of the positioning disc 20, so that the connection reliability and the rotation stability of the rotating disc 10 and the positioning disc 20 with the bottom plate 1 and the cover plate 2 can be improved.

Referring to fig. 1, 4 and 5, as a specific implementation manner of the embodiment of the present invention, an upward protruding positioning circular table 104 is disposed at the center of the rotary table 10, a through hole 202 is disposed at the center of the positioning table 20, and when the cover plate 2 and the base plate 1 are matched to clamp a collar to be sewn, the positioning circular table 104 is inserted into the through hole 202. The positioning circular truncated cone 104 and the through hole 202 are inserted and positioned, so that the coaxiality of the positioning disc 20 and the rotary disc 10 is improved, the vertical alignment precision of the positioning hole 201 and the collar angle sewing line groove 101 is ensured, the phenomenon that the sewing operation is influenced due to the dislocation of the positioning hole 201 and the collar angle sewing line groove 101 is avoided, and the smooth and efficient collar sewing process is ensured.

In this embodiment, referring to fig. 1, fig. 4 and fig. 5, the positioning circular truncated cone 104 is connected with a first slider 1041 along a radial direction thereof in a sliding manner, a plurality of first locking grooves 2021 are formed on a wall of the through hole 202 along a circumferential direction thereof at intervals, and when the positioning hole 201 is aligned with the corresponding collar corner suture groove 101 up and down, the first slider 1041 is locked with the corresponding first locking groove 2021. After the collar angle sewing line groove 101 matched with the collar angle structure of the collar to be sewn is selected to align with the first sewing line groove 11, and the positioning disc 20 is rotated to enable the corresponding positioning hole 201 to be vertically aligned with the collar angle sewing line groove 101, the first slider 1041 is slid along the radial direction of the positioning circular table 104, so that one end, facing the outer side of the positioning circular table 104, of the first slider 1041 is inserted into the corresponding first clamping groove 2021, the relative position of the positioning disc 20 and the rotary table 10 is fixed, the positioning disc 20 and the rotary table 10 are prevented from rotating relatively in the sewing process to cause dislocation of the positioning hole 201 and the collar angle sewing line groove 101, the sewing operation stability is improved, and the sewing efficiency is further improved.

Further, referring to fig. 1 and 5, the cover plate 2 is connected with second sliding blocks 22 at the outer sides of the two second connecting holes 23 respectively along the radial direction of the second connecting holes 23 in a sliding manner, the edges of the two positioning disks 20 are respectively provided with a plurality of second clamping grooves 203 at intervals along the circumferential direction thereof, and when the positioning holes 201 are aligned with the second suture line grooves 21, the second sliding blocks 22 are clamped with the corresponding second clamping grooves 203. The second slider 22 is inserted into the second clamping groove 203 towards one end of the center of the second connecting hole 23, so that the angle of the positioning disc 20 can be fixed, meanwhile, the clamping relation between the first slider 1041 and the first clamping groove 2021 is utilized, the rotary disc 10 can be kept in a fixed state, the alignment state of the collar angle suture groove 101 and the first suture groove 11 is stable, the alignment state of the positioning hole 201 and the second suture groove 21 is stable, the vertical alignment state of the positioning hole 201 and the collar angle suture groove 101 is stable, the rotation of the positioning disc 20 or the rotary disc 10 in the collar suture process is avoided, the operation stability is improved, and the suture quality and the operation efficiency are improved.

Referring to fig. 1 and 2, as a specific implementation manner of the embodiment of the present invention, one side edge of the cover plate 2 is hinged to one side edge of the base plate 1 along an axial direction of the first suture groove 11. The cover plate 2 and the base plate 1 are of a hinge structure, the cover plate 2 can be turned up to place a collar to be sewn, then the cover plate 2 is pressed down to clamp the collar to be sewn, meanwhile, the hinge relation between the cover plate 2 and the base plate 1 is utilized, the fixation of the relative position of the cover plate 2 and the base plate 1 after clamping the collar to be sewn can be guaranteed, the relative position of the cover plate 2 and the base plate 1 in the sewing process is prevented from deflecting, the operation is convenient, the sewing efficiency can be improved, the alignment state of the first sewing line groove 11 and the second sewing line groove 21, the positioning hole 201 and the collar angle sewing line groove 101 can be guaranteed to be stable, and the.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A collar sewing template, comprising:

the base plate is provided with a first suture groove and two first connecting holes which are respectively communicated with two ends of the first suture groove, a rotary table is respectively and rotatably connected in the two first connecting holes, a plurality of collar angle suture grooves are formed in the rotary table at intervals along the circumferential direction of the rotary table, and each collar angle suture groove is respectively used for matching collar angle suture lines of collars of different models;

the cover plate is covered on the bottom plate and is used for clamping a collar to be sewn in a matched manner with the bottom plate; the cover plate is provided with second suture line grooves which vertically correspond to the first suture line grooves, and is also provided with two second connecting holes which are respectively communicated with two ends of the second suture line grooves, the two second connecting holes are respectively and rotatably connected with a positioning disc, and the positioning disc is provided with a plurality of positioning holes which vertically correspond to the collar angle suture line grooves;

when the cover plate and the bottom plate are matched and clamped to clamp the collar to be sewn for sewing, the rotary disc rotates to the collar angle sewing line groove matched with the collar to be sewn to be aligned with the first sewing line groove, and the positioning disc rotates to the corresponding positioning hole to be aligned with the second sewing line groove.

2. The collar sewing template of claim 1, wherein the collar corner sewing groove is an angular groove penetrating the peripheral wall of the rotary disc, the positioning hole matches the inner angular sector area of the angular groove, and the hole wall of the positioning hole penetrates the peripheral wall of the positioning disc.

3. The collar sewing template of claim 2, wherein a fan-shaped cushion block is respectively arranged on the positioning plate in each inner corner sector area, when the cover plate and the bottom plate are matched to clamp the collar to be sewn, two plane side walls of the fan-shaped cushion block and two plane hole walls of the positioning hole jointly form a positioning guide wire groove, and the positioning guide wire groove is vertically aligned with the corresponding collar corner sewing wire groove.

4. The collar sewing template of claim 3, wherein the arc-shaped side wall of the fan-shaped cushion block is attached to the arc-shaped hole wall of the positioning hole when the positioning guide wire groove is aligned with the corresponding collar corner sewing wire groove up and down.

5. The collar sewing template of claim 1, wherein the hole wall of the first connecting hole is provided with a first ring groove extending along a circumferential direction thereof, the circumferential wall of the rotating disc is provided with a first sliding piece, and the first sliding piece is slidably connected in the first ring groove along the circumferential direction of the first connecting hole; the hole wall of the second connecting hole is provided with a second annular groove extending along the circumferential direction of the second connecting hole, the circumferential wall of the positioning disc is provided with a second sliding sheet, and the second sliding sheet is connected to the inside of the second annular groove in a sliding mode along the circumferential direction of the second connecting hole.

6. The collar sewing template of claim 5, wherein the first sliding pieces are spaced along the circumferential wall of the rotating disc, and the first sliding pieces are respectively distributed in a staggered manner with the collar corner sewing thread grooves; the second sliding pieces are arranged along the peripheral wall of the positioning disc at intervals and are distributed with the positioning holes in a staggered mode.

7. The collar sewing template of claim 1, wherein a positioning circular truncated cone protruding upwards is arranged at the center of the rotary disc, a through hole is arranged at the center of the positioning disc, and the positioning circular truncated cone is inserted into the through hole when the cover plate and the bottom plate are matched to clamp the collar to be sewn.

8. The collar sewing template of claim 7, wherein a first sliding block is slidably connected to the positioning circular truncated cone along a radial direction thereof, a plurality of first clamping grooves are formed in a wall of the through hole along a circumferential direction thereof at intervals, and when the positioning hole is vertically aligned with the corresponding collar corner sewing thread groove, the first sliding block is clamped with the corresponding first clamping groove.

9. The collar sewing template of claim 8, wherein a second sliding block is slidably connected to the cover plate along a radial direction of the second connecting hole at an outer side of the two second connecting holes, a plurality of second locking grooves are formed at intervals along a circumferential direction of the positioning plate at an edge of the two positioning plates, and the second sliding block is locked with the corresponding second locking groove when the positioning hole is aligned with the second sewing groove.

10. The collar sewing template of any one of claims 1-9, wherein a side edge of the cover plate is hinged to a side edge of the base plate along an axial direction of the first sewing line groove.