CN210636177U - Template component of pattern sewing machine - Google Patents
Template component of pattern sewing machine Download PDFInfo
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- CN210636177U CN210636177U CN201921155804.3U CN201921155804U CN210636177U CN 210636177 U CN210636177 U CN 210636177U CN 201921155804 U CN201921155804 U CN 201921155804U CN 210636177 U CN210636177 U CN 210636177U
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Abstract
The utility model discloses a template component of style machine, its main points are: comprises a template bottom plate and an upper pressure plate. The upper press plate is hinged to the template bottom plate from the rear side, and the left side and the right side of the upper press plate are connected with the template bottom plate through air springs. The upper pressure plate clamps and fixes the air bag on the template bottom plate. The utility model discloses a template component of style machine simple structure, template component's top board can open and shut to convenient operation is convenient for the workman of being convenient for after opening and is put the material, improves production efficiency.
Description
Technical Field
The utility model relates to a sewing machine technical field specifically is a template subassembly of using on style machine.
Background
The safety air bag system is a passive safety protection system, and can be used together with a seat belt to provide effective anti-collision protection for passengers. When the automobile collides, the automobile safety airbag (airbag) can reduce the head injury rate by 25 percent and the face injury rate by about 80 percent. The head airbag is also called a side airbag, and pops up and covers the side of the B column, the window glass, the side supporting buckle of the safety belt and other objects which are easy to cause collision injury to human bodies during collision, so that the driver and passengers are separated from the objects to achieve the effect of protecting the driver and passengers. The side air curtain has longer length, larger sewing area and complex sewing stitches, and is usually sewn by a large-scale pattern sewing machine. The existing pattern sewing machine generally comprises a working table mechanism, a sewing mechanism arranged on the working table mechanism, and an X-direction and Y-direction driving mechanism for driving a sewing template. Sewing mechanisms, including sewing machine heads and core-changing mechanisms, have been well-established. Each equipment manufacturer usually purchases ready-made sewing mechanisms, and then designs corresponding worktable mechanisms and X-direction and Y-direction driving mechanisms according to the size of a stroke range. The template assembly is connected with a corresponding template quick assembly on the pattern sewing machine through a corresponding connecting piece, the sewing machine head is not moved during sewing, and the template assembly is driven to move on the worktable mechanism according to sewing stitches by an X-direction and Y-direction driving mechanism through the template quick assembly. Make up the mechanism when making up the gasbag, usually after one is made up, take off the template subassembly, take out the gasbag that sews up from the template subassembly, then put the next gasbag that will make up into the template subassembly again, fix after well put the template subassembly again and make up on the style machine, the top board of current template subassembly has four usually, articulate respectively on template bottom plate all around, need all upset to open, the troublesome poeration and occupation space, production efficiency is too low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, convenient operation's a template subassembly that is used for style machine that air bag made up.
Realize the utility model discloses the basic technical scheme of purpose is: the template component of the pattern sewing machine is structurally characterized in that: comprises a template bottom plate and an upper pressure plate. The upper press plate is hinged to the template bottom plate from the rear side, and the left side and the right side of the upper press plate are connected with the template bottom plate through air springs. The upper pressure plate clamps and fixes the air bag on the template bottom plate.
The technical scheme based on the basic technical scheme is as follows: a group of airbag positioning columns are arranged on the template bottom plate, and the airbag positioning columns are fixedly arranged on the template bottom plate and are encircled into a shape corresponding to that of the airbag. The bottom plate of the template is provided with a lower die hole which penetrates through the upper part and the lower part of the bottom plate and has a shape corresponding to the sewing stitch of the air bag.
The upper press plate is provided with an upper die hole which penetrates through the upper part and the lower part of the upper press plate and has a shape corresponding to the sewing stitch of the air bag. The periphery of the upper side of the upper pressure plate is fixedly provided with a reinforcing frame with a shape corresponding to the upper pressure plate, the reinforcing frame is used for improving the overall strength of the upper pressure plate, and reinforcing ribs are further arranged on the part, located inside the reinforcing frame, of the upper pressure plate. And the upper pressing plate is also provided with a positioning column hole corresponding to the airbag positioning column on the template bottom plate.
The technical scheme based on the technical schemes is as follows: the upper pressing plate is fixedly provided with a group of pressing plate pressing magnets along the periphery of the upper die hole, and the pressing plate pressing magnets are used for adsorbing the template bottom plate located below.
The technical scheme based on the technical schemes is as follows: an accessory positioning assembly is also included.
The right side of the upper pressure plate is provided with a woven belt sewing hole which penetrates through the upper side and the lower side of the upper pressure plate, the template bottom plate is provided with a through hole corresponding to the woven belt sewing hole, and the front side and the rear side of the upper side of the woven belt sewing hole are respectively provided with a woven belt pressing magnet. The middle part of the rear side of the upper pressure plate is provided with an ear frame hole which penetrates through the upper part and the lower part of the upper pressure plate, and the template bottom plate is provided with a through hole corresponding to the ear frame hole.
The accessory positioning column component comprises an ear piece positioning column adjusting seat, an ear piece positioning column, a braid positioning column adjusting seat, a braid positioning column and an ear piece positioning frame. The lug adjusting seat is adjustably arranged on the template bottom plate, and the position of the lug adjusting seat can be correspondingly adjusted according to the position of the placed lug. The lug positioning column is fixedly arranged on the lug adjusting seat. The mesh belt positioning column adjusting seat is adjustably arranged on the right part of the template bottom plate, the position of the mesh belt positioning column adjusting seat corresponds to a mesh belt sewing hole in the upper pressing plate, and the mesh belt positioning column is fixedly arranged on the mesh belt positioning column adjusting seat. The lug positioning frame is adjustably arranged on the template bottom plate, the position of the lug positioning frame can be correspondingly adjusted according to the position of the placed lug, the shape of the lug positioning frame corresponds to that of the corresponding lug, and the position of the lug positioning frame corresponds to the lug frame hole in the upper pressure plate.
The technical scheme based on the technical schemes is as follows: also comprises a template connecting component. The template connecting assembly is used for being quickly, detachably and fixedly connected with a template quick-assembly and a template changing device of the pattern sewing machine.
The technical scheme based on the technical schemes is as follows: the front side of template subassembly is equipped with three template coupling assembling of group, and the rear side of template subassembly is equipped with four template coupling assembling of group, and seven template coupling assembling's structure is the same, all includes connecting plate, connecting plate mount pad and guide block. The connecting plate mounting seat is fixedly arranged on the template bottom plate, the connecting plate is fixedly arranged on the connecting plate mounting seat, and a pin shaft hole penetrating through the connecting plate is formed in one side, far away from the template bottom plate, of the connecting plate. The guide blocks are two, and the two guide blocks are respectively fixedly arranged on one side of the connecting plate mounting seat far away from the template bottom plate and are respectively positioned on the left side and the right side of the connecting plate.
The utility model discloses following beneficial effect has: (1) the utility model discloses a template component of style machine simple structure, template component's top board can open and shut to convenient operation is convenient for the workman of being convenient for after opening and is put the material, improves production efficiency.
(2) The utility model discloses a template component's of style machine top board is articulated to be connected on the template bottom plate, is supported by the air spring when opening, and convenient operation just practices thrift the space.
(3) The utility model discloses a fixed reinforcing frame that is equipped with shape and its corresponding around the upside of the template subassembly of the style machine's template subassembly, still be equipped with the strengthening rib on the part of the interior of the reinforcing frame of top board that is located of top board, can improve the bulk strength of top board, non-deformable, the air spring of being convenient for supports; meanwhile, the pressing plate compresses the magnet to adsorb the template bottom plate below the pressing plate, so that the upper pressing plate is attached to the template bottom plate, the airbag is kept fixed firmly and flat, and the sewing quality is improved.
(4) The utility model discloses an annex reference column subassembly of template subassembly of style machine can be adjusted according to the different requirements of the locating position of auricle and meshbelt, and adaptability is strong, and the range of application is wide.
(5) The utility model discloses a template component of style machine, two alternative uses during the use, one is made up, and another pendulum material has realized automatic feeding and has unloaded through the retooling device of style machine from the area, has improved work efficiency greatly.
(6) The utility model discloses a template component of style machine is equipped with two handles, convenient operation when opening and shutting, and both sides simultaneous operation is favorable to reducing the deformation of top board moreover, guarantees to compress tightly the effect, improves and makes up the quality, increase of service life simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a template assembly of the pattern sewing machine of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a right-side view of fig. 1.
Fig. 4 is a rear view of fig. 1.
Fig. 5 is a schematic top view of fig. 1.
Fig. 6 is a schematic bottom view of fig. 1.
Fig. 7 is a schematic structural diagram of the pattern sewing machine of the present invention when the upper platen of the template assembly is in the open state.
Fig. 8 is a rear view of fig. 7.
Fig. 9 is a left side view of fig. 7.
Fig. 10 is a schematic view when viewed from the front left upper side of fig. 7.
Fig. 11 is a schematic view as viewed from the upper right front of fig. 7.
Fig. 12 is a schematic view when viewed from the upper left rear side of fig. 7.
Fig. 13 is an enlarged schematic view of a portion a of fig. 10.
Fig. 14 is a schematic structural view of the template assembly according to the present invention applied to a corresponding pattern.
Fig. 15 is an enlarged schematic view of a portion B in fig. 14.
The reference numbers in the drawings are:
a template component, a template bottom plate 1, an air bag positioning column 11,
an upper press plate 2, a reinforcing frame 21, a reinforcing rib 22, a press plate pressing magnet 23, a braid sewing hole 24, a braid pressing magnet 25, a lug frame hole 26,
an accessory positioning component 3, a lug positioning column adjusting seat 31, a lug positioning column 32, a braid positioning column adjusting seat 33, a braid positioning column 34, a lug positioning frame 35,
a template connecting assembly 4, a connecting plate 41, a pin shaft hole 41-1, a connecting plate mounting seat 42, a guide block 43, a proximity induction plate 44,
the gas spring 5, the handle 6,
the die change device comprises a left die change device 10-1, a right die change device 10-2 and a template quick assembly 10-3.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings. The description of the orientation of the utility model is performed according to the orientation shown in fig. 1, that is, the up-down left-right direction shown in fig. 1 is the up-down left-right direction of the description, the side towards which fig. 1 faces is the front side, and the side departing from fig. 1 is the rear side.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are used only for convenience in describing the present invention or simplifying the description, but do not indicate that a particular orientation must be provided.
(example 1)
Referring to fig. 1 to 15, the template assembly of the pattern sewing machine of the present invention comprises a template base plate 1, an upper pressing plate 2, an accessory positioning assembly 3 and a template connecting assembly 4.
A group of airbag positioning columns 11 are arranged on the template bottom plate 1, the airbag positioning columns 11 are fixedly arranged on the template bottom plate 1, the shape formed by surrounding is corresponding to the shape of the airbag, and corresponding positioning holes on the edge of the airbag to be sewn are sleeved on the airbag positioning columns 11 in use. The template bottom plate 1 is provided with a lower die hole which penetrates through the upper part and the lower part of the template bottom plate and has a shape corresponding to the sewing stitch of the air bag.
Referring to fig. 1 to 12, the upper press plate 2 is provided with an upper die hole which penetrates through the upper and lower portions thereof and has a shape corresponding to the sewing stitch of the airbag. The upper press plate 2 is hinged to the template bottom plate 1 from the rear side, a reinforcing frame 21 with the shape corresponding to the upper press plate is fixedly arranged on the periphery of the upper side of the upper press plate 2 and used for improving the overall strength of the upper press plate 2, and reinforcing ribs 22 are further arranged on the part, located inside the reinforcing frame 21, of the upper press plate 2. The left side and the right side of the upper pressing plate 2 are connected with the template bottom plate 1 through the air springs 5, when the upper pressing plate 2 is opened upwards, the air springs 5 on the two sides support and fix the upper pressing plate, and therefore workers can place air bags to be sewn on the template bottom plate 1 or take the sewn air bags down from the template bottom plate 1. The upper pressing plate 2 is also provided with positioning column holes corresponding to the airbag positioning columns 11 on the template bottom plate 1, and the airbag positioning columns 11 on the template bottom plate 1 are inserted into the corresponding positioning column holes when the template bottom plate is used. The fixed a set of clamp plate that is equipped with compresses tightly magnet 23 along going up around the mould hole of top board 2, and this embodiment has 13, and the clamp plate compresses tightly template bottom plate 1 that the magnet 23 adsorbed the below when using to make top board 2 more laminate on template bottom plate 1, keep the gasbag fixed firm and level. The right side of the upper press plate 2 is provided with a woven belt sewing hole 24 which penetrates through the upper side and the lower side of the upper press plate, the template bottom plate 1 is provided with a through hole corresponding to the woven belt sewing hole 24, and the front side and the rear side of the upper side of the woven belt sewing hole 24 are respectively provided with a woven belt pressing magnet 25. The middle part of the back side of the upper press plate 2 is provided with a lug frame hole 26 which penetrates through the upper part and the lower part of the upper press plate. The left and right sides of the front part of the upper pressure plate 2 are respectively provided with a handle 6.
Referring to fig. 1 to 12, the accessory positioning post assembly 3 includes a tab positioning post adjustment seat 31, a tab positioning post 32, a webbing positioning post adjustment seat 33, a webbing positioning post 34, and a tab positioning frame 35. The lug is a side curtain mounting member sewn on one side of the airbag for fixedly mounting and connecting the airbag to a vehicle. The number of the lug positioning column adjusting bases 31 of the present embodiment is 5. The 5 lug positioning column adjusting seats 31 are sequentially arranged on the template bottom plate 1 from left to right and are positioned at the rear side of the lower die hole. The ear adjusting seat 31 is adjustably arranged on the template bottom plate 1, and the position of the ear adjusting seat can be correspondingly adjusted according to the position of the placed ear. The ear positioning post 32 is fixedly arranged on the ear adjusting seat 31, when in use, the corresponding positioning hole on the ear is sleeved on the ear positioning post 32, and when the air bag is sewn, the air bag is sewn on the air bag. The braid positioning column adjusting seat 33 is adjustably arranged on the right part of the template bottom plate 1, the position of the braid positioning column adjusting seat corresponds to the braid sewing hole 24 on the upper pressing plate 2, the braid positioning column 34 is fixedly arranged on the braid positioning column adjusting seat 33, the corresponding positioning hole on the braid is sleeved on the braid positioning column 34 during use, and the airbag is sewn on the airbag during sewing. The lug positioning frame 35 is adjustably arranged on the template bottom plate 1, the position of the lug positioning frame can be correspondingly adjusted according to the position of the placed lug, the shape of the lug positioning frame 35 corresponds to that of the corresponding lug, and the position of the lug positioning frame 35 corresponds to the lug frame hole 26 on the upper pressure plate 2.
Referring to fig. 1 to 15, the formwork connecting assemblies 4 have seven groups, and the seven groups of formwork connecting assemblies 4 have the same structure and each include a connecting plate 41, a connecting plate mounting seat 42 and a guide block 43. And among the seven groups of template connecting assemblies 4, four groups of template connecting assemblies are sequentially arranged at the rear end of the template base plate 1 from left to right, and the arrangement distance between the four groups of template connecting assemblies is the same as that between the four corresponding groups of template quick-assembly assemblies on the pattern sewing machine. The other three groups are sequentially arranged at the front end of the template base plate 1 from left to right, the arrangement distance between the three groups of quick-assembly components corresponds to the distance between the three groups of quick-assembly components on the self-provided die changing device of the pattern sewing machine, and corresponding approaching induction plates 44 are arranged on the two groups of template connecting components 4.
The connecting plate mounting seat 42 is fixedly arranged on the template bottom plate 1, the connecting plate 41 is fixedly arranged on the connecting plate mounting seat 42, and a pin shaft hole 41-1 penetrating through the upper part and the lower part of the connecting plate 41 is arranged on one side, far away from the template bottom plate 1. The number of the guide blocks 43 is two, and the two guide blocks 43 are respectively fixedly arranged on one side of the connecting plate mounting seat 42, which is far away from the template base plate 1, and are respectively positioned on the left side and the right side of the connecting plate 41.
The utility model discloses a when the template subassembly of style machine used: two empty template assemblies are respectively placed on a left mold changing device 10-1 and a right mold changing device 10-2 of the pattern sewing machine. The connecting plate 41 positioned on the front side of the template assembly on the left die changing device 10-1 extends to the lower side of the left template positioning seat of the corresponding left die plate quick-assembly, and the left positioning pin of the left die plate quick-assembly upwards passes through the pin shaft hole 41-1 of the connecting plate 41 and then extends into the left guide sleeve of the left die plate positioning seat, so that the template assembly is fixedly connected to the left die plate quick-assembly of the left die changing device 10-1.
The connecting plate 41 positioned at the front side of the template assembly on the right die changing device 10-2 extends to the lower side of the right template positioning seat of the corresponding right template quick-assembly, and the right positioning pin of the right template quick-assembly penetrates upwards through the pin shaft hole 41-1 of the connecting plate 41 and then extends into the right guide sleeve of the right template positioning seat, so that the template assembly is fixedly connected to the right template quick-assembly of the right die changing device 10-2. After a worker places an air bag and accessories (lugs and woven belts) to be sewn on the template bottom plate 1, the upper pressure plate 2 is closed to press the air bag and the accessories.
Then, a left Y-direction driving mechanism of the left mold changing device 10-1 drives the three groups of left template quick-assembly components to push backwards, so that a connecting plate 41 of each template component, which is positioned at the rear side, extends above a template positioning seat of the corresponding template quick-assembly component 10-3 on the pattern machine, a positioning pin of each template quick-assembly component 10-3 downwards penetrates through a pin shaft hole 41-1 of the connecting plate 41 and then extends into a guide sleeve of the template positioning seat, so that each template component is fixedly connected to the corresponding template quick-assembly component, a left positioning pin of the left template quick-assembly component of the left mold changing device 10-1 is retracted downwards, and a left Y-direction driving mechanism of the left mold changing device drives the three groups of left template quick. The template quick assembly component 10-3 is driven to move by an X-direction driving mechanism and a Y-direction driving mechanism of the pattern sewing machine, so that the template component is driven to move, sewing is carried out by a sewing machine head, and during sewing, workers can carry out material arrangement on the template component on the right mold changing device 10-2. After the air bag on the former template assembly is sewn, the air bag is taken down from the template fast assembly to the left die changing device 10-1 by the corresponding left die changing device 10-1 during feeding. Then the template assembly on the right die changing device 10-2 is sent to a template quick assembly 10-3 of the pattern sewing machine, the template quick assembly 10-3 drives the template assembly to move, and the sewing machine head performs sewing. At the moment, a worker can take down the sewn air bag on the left die changing device 10-1 and place the next air bag to be sewn, so that the production efficiency is greatly improved.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and are not limited to the sewing of the airbag, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A template component of a pattern sewing machine is characterized in that: comprises a template bottom plate and an upper pressure plate; the upper pressure plate is hinged to the template bottom plate from the rear side, and the left side and the right side of the upper pressure plate are connected with the template bottom plate through air springs; the upper pressure plate clamps and fixes the air bag on the template bottom plate.
2. The template assembly of a pattern machine according to claim 1, characterized in that: a group of airbag positioning columns are arranged on the template bottom plate, and the airbag positioning columns are fixedly arranged on the template bottom plate and are encircled into a shape corresponding to that of the airbag; the template bottom plate is provided with a lower die hole which penetrates through the upper part and the lower part of the template bottom plate and has a shape corresponding to the sewing stitch of the air bag;
the upper pressing plate is provided with an upper die hole which penetrates through the upper part and the lower part of the upper pressing plate and has a shape corresponding to the sewing stitch of the air bag; a reinforcing frame with a shape corresponding to the upper side of the upper pressure plate is fixedly arranged on the periphery of the upper side of the upper pressure plate and used for improving the overall strength of the upper pressure plate, and reinforcing ribs are further arranged on the part of the upper pressure plate, which is positioned in the reinforcing frame of the upper pressure plate; and the upper pressing plate is also provided with a positioning column hole corresponding to the airbag positioning column on the template bottom plate.
3. The template assembly of the pattern machine of claim 2, wherein: the upper pressing plate is fixedly provided with a group of pressing plate pressing magnets along the periphery of the upper die hole, and the pressing plate pressing magnets are used for adsorbing the template bottom plate located below.
4. Template assembly of a pattern machine according to one of claims 1 to 3, characterized in that: also includes an accessory positioning assembly;
the right side of the upper pressure plate is provided with a woven belt sewing hole penetrating through the upper side and the lower side of the upper pressure plate, the template bottom plate is provided with a through hole corresponding to the woven belt sewing hole, and the front side and the rear side of the upper side of the woven belt sewing hole are respectively provided with a woven belt pressing magnet; the middle part of the rear side of the upper pressure plate is provided with an ear frame hole which penetrates through the upper part and the lower part of the upper pressure plate, and the template bottom plate is provided with a through hole corresponding to the ear frame hole;
the accessory positioning column component comprises an ear piece positioning column adjusting seat, an ear piece positioning column, a braid positioning column adjusting seat, a braid positioning column and an ear piece positioning frame; the lug adjusting seat is adjustably arranged on the template bottom plate, and the position of the lug adjusting seat can be correspondingly adjusted according to the position of the placed lug; the lug positioning column is fixedly arranged on the lug adjusting seat; the mesh belt positioning column adjusting seat is adjustably arranged on the right part of the template bottom plate and corresponds to a mesh belt sewing hole on the upper pressing plate, and the mesh belt positioning column is fixedly arranged on the mesh belt positioning column adjusting seat; the lug positioning frame is adjustably arranged on the template bottom plate, the position of the lug positioning frame can be correspondingly adjusted according to the position of the placed lug, the shape of the lug positioning frame corresponds to that of the corresponding lug, and the position of the lug positioning frame corresponds to the lug frame hole in the upper pressure plate.
5. Template assembly of a pattern machine according to one of claims 1 to 3, characterized in that: the template connecting assembly is further included; the template connecting assembly is used for being quickly, detachably and fixedly connected with a template quick-assembly and a template changing device of the pattern sewing machine.
6. The template assembly of the pattern machine as claimed in claim 5, wherein: the front side of the template assembly is provided with three groups of template connecting assemblies, the rear side of the template assembly is provided with four groups of template connecting assemblies, and the seven groups of template connecting assemblies have the same structure and respectively comprise a connecting plate, a connecting plate mounting seat and a guide block; the connecting plate mounting seat is fixedly arranged on the template bottom plate, the connecting plate is fixedly arranged on the connecting plate mounting seat, and a pin shaft hole penetrating through the upper part and the lower part of the connecting plate is arranged on one side of the connecting plate, which is far away from the template bottom plate; the guide blocks are two, and the two guide blocks are respectively fixedly arranged on one side of the connecting plate mounting seat far away from the template bottom plate and are respectively positioned on the left side and the right side of the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921155804.3U CN210636177U (en) | 2019-07-22 | 2019-07-22 | Template component of pattern sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921155804.3U CN210636177U (en) | 2019-07-22 | 2019-07-22 | Template component of pattern sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210636177U true CN210636177U (en) | 2020-05-29 |
Family
ID=70796390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921155804.3U Active CN210636177U (en) | 2019-07-22 | 2019-07-22 | Template component of pattern sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210636177U (en) |
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2019
- 2019-07-22 CN CN201921155804.3U patent/CN210636177U/en active Active
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