CN220224571U - Thread cutting electromagnet assembly for sewing machine - Google Patents
Thread cutting electromagnet assembly for sewing machine Download PDFInfo
- Publication number
- CN220224571U CN220224571U CN202321713308.1U CN202321713308U CN220224571U CN 220224571 U CN220224571 U CN 220224571U CN 202321713308 U CN202321713308 U CN 202321713308U CN 220224571 U CN220224571 U CN 220224571U
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- China
- Prior art keywords
- electromagnetic
- push rod
- sewing machine
- plate
- iron core
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- 238000009958 sewing Methods 0.000 title claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 229910052742 iron Inorganic materials 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009966 trimming Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model provides a thread cutting electromagnet assembly for a sewing machine, which relates to the field of sewing machine equipment, and is characterized in that an electromagnetic shell is arranged in a sewing machine shell, the top of the electromagnetic shell is detachably connected with a mounting seat, a thread cutting pushing mechanism is arranged at the bottom of the electromagnetic shell in a penetrating way, a fixed plate is arranged in the electromagnetic shell, a connecting piece is detachably connected with the fixed plate, an electromagnetic iron core externally connected with power is attached to the top of the fixed plate, the connecting piece is detachably connected with the mounting seat, the electromagnetic iron core is electrified to generate magnetic force to attract the connecting piece, meanwhile, the electromagnetic iron thread moves upwards to drive a lifting plate to move upwards, the lifting plate is fixed with a push rod to drive the base to move upwards and squeeze an elastic piece, and when the electromagnetic iron core is powered off, the elastic piece drives the push rod to move downwards and enables the lifting plate to drive the electromagnetic iron core to move downwards to be attached to the fixed plate, so that the electromagnetic iron core can reset rapidly under the power-off state, and the situation that the iron core magnet cannot reset timely to cause damage of parts is prevented to a certain extent.
Description
Technical Field
The utility model relates to the field of sewing machine equipment, in particular to a thread cutting electromagnet assembly for a sewing machine.
Background
Advanced industrial sewing machines are all provided with automatic thread trimming mechanisms so as to achieve the purposes of saving labor, electricity and manpower and improving the production efficiency of factories, various thread trimming mechanisms of the sewing machines are connected with a presser foot lifting mechanism and share one electromagnet for driving, the electromagnet on the sewing machine for driving the thread trimming mechanism to act is arranged on the outer wall of a machine shell, the action of the electromagnet firstly acts on the presser foot lifting device, and meanwhile, the action is transmitted to the thread trimming device through a connecting piece to trim threads.
The electromagnet is a device for generating electromagnetism by electrifying, a conductive winding matched with the power of the electromagnet is wound outside an iron core, the coil with current has magnetism like a magnet, at present, when the electromagnet is applied in the field of sewing machines, the electromagnet often happens after power failure, the magnetism of the iron core cannot be completely disappeared immediately, the iron core magnet cannot be reset in time, the phenomenon of wire clamping easily occurs, inconvenience is easily caused during working, and the damage of parts is seriously caused.
Accordingly, there is a need for a new thread cutting electromagnet assembly for sewing machines that solves the above-described problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a thread cutting electromagnet assembly for a sewing machine.
The utility model provides a thread cutting electromagnet assembly for a sewing machine, which comprises an electromagnetic shell, wherein the electromagnetic shell is arranged in a sewing machine shell, the top of the electromagnetic shell is detachably connected with a mounting seat, a thread cutting pushing mechanism is arranged at the bottom of the electromagnetic shell in a penetrating way, a fixed plate is arranged in the electromagnetic shell, a connecting piece is detachably connected with the fixed plate, an electromagnetic iron core externally connected with electric power is attached to the top of the fixed plate, the electromagnetic iron core is magnetically attracted with the connecting piece, and the connecting piece is detachably connected with the mounting seat;
the wire cutting pushing mechanism comprises a base, a push rod and an elastic piece, wherein the base is attached to the bottom of the electromagnetic shell, one end of the push rod is fixedly connected with the top of the base, a lifting plate is fixed on the outer surface of the push rod and located between the fixing plate and the connecting piece, the lifting plate is located above the electromagnetic iron core, the elastic piece is arranged on the outer surface of the push rod in a surrounding mode, and two ends of the elastic piece are fixedly connected with the base and the fixing plate respectively.
Further, the connecting piece includes roof and two relative spliced poles, two the spliced pole is fixed in respectively the fixed plate top, two the one end of spliced pole is run through respectively the roof and with the mount pad detachable connection, the roof with electromagnetic housing top fixed connection.
Further, the top plate is a metal plate with magnetism.
Further, the top of push rod is detachably connected with push rod switching arm, the one end of switching arm runs through in the logical groove of seting up of mount pad one side.
Further, the elastic piece comprises a pressure spring, and two ends of the pressure spring are fixedly connected with the base and the fixing plate respectively.
Further, a silica gel pad is arranged on the outer surface of the push rod in a ring mode, and the silica gel pad is located between the top plate and the push rod switching arm.
Compared with the related art, the thread cutting electromagnet assembly for the sewing machine has the following beneficial effects:
when the electromagnetic iron core is powered off, the elastic element drives the push rod to move downwards and the lifting plate drives the electromagnetic iron core to move downwards to be attached to the fixed plate, so that the electromagnetic iron core can be quickly reset in a power-off state, and the situation that the iron core magnet is damaged due to untimely resetting is prevented to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a thread cutting electromagnet assembly for a sewing machine provided by the utility model;
FIG. 2 is a schematic cross-sectional view of a thread cutting electromagnet assembly for a sewing machine according to the present utility model;
FIG. 3 is a schematic diagram of an exploded construction of the thread cutting electromagnet assembly for a sewing machine according to the present utility model;
fig. 4 is a schematic structural view of the wire cutting pushing mechanism and the connecting piece provided by the utility model;
fig. 5 is an exploded view of the wire cutting pushing mechanism and the connecting piece according to the present utility model.
Reference numerals in the drawings: 1. an electromagnetic housing; 2. a mounting base; 3. a fixing plate; 4. an electromagnetic iron core; 5. a base; 6. a push rod; 7. a pressure spring; 8. lifting a plate; 9. a top plate; 10. a connecting column; 11. pushing the rod transfer arm; 12. and a silica gel pad.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 in combination, fig. 1 is a schematic diagram of an overall structure of a thread cutting electromagnet assembly for a sewing machine according to the present utility model; FIG. 2 is a schematic cross-sectional view of a thread cutting electromagnet assembly for a sewing machine according to the present utility model; FIG. 3 is a schematic diagram of an exploded construction of the thread cutting electromagnet assembly for a sewing machine according to the present utility model;
fig. 4 is a schematic structural view of the wire cutting pushing mechanism and the connecting piece provided by the utility model; fig. 5 is an exploded view of the wire cutting pushing mechanism and the connecting piece according to the present utility model.
In a specific implementation process, as shown in fig. 1-5, a thread cutting electromagnet assembly for a sewing machine comprises an electromagnetic shell 1 installed in a sewing machine shell, an installation seat 2 is detachably connected to the top of the electromagnetic shell 1, a thread cutting pushing mechanism is arranged on the bottom of the electromagnetic shell 1 in a penetrating mode, a fixing plate 3 is installed in the electromagnetic shell 1, a connecting piece is detachably connected to the fixing plate 3, an electromagnetic iron core 4 with external power is attached to the top of the fixing plate 3, the electromagnetic iron core 4 is magnetically attracted with the connecting piece, and the connecting piece is detachably connected with the installation seat 2.
The wire shearing pushing mechanism comprises a base 5, a push rod 6 and an elastic piece, wherein the base 5 is attached to the bottom of the electromagnetic shell 1, one end of the push rod 6 is fixedly connected with the top of the base 5, the outer surface of the push rod 6 is fixedly provided with a lifting plate 8, the lifting plate 8 is located between the fixed plate 3 and the connecting piece, the lifting plate 8 is located above the electromagnetic iron core 4, the elastic piece is arranged on the outer surface of the push rod 6 in a surrounding mode, two ends of the elastic piece are fixedly connected with the base 5 and the fixed plate 3 respectively, the elastic piece comprises a pressure spring 7, and two ends of the pressure spring 7 are fixedly connected with the base 5 and the fixed plate 3 respectively.
The connecting piece includes roof 9 and two relative spliced poles 10, two spliced poles 10 are fixed in fixed plate 3 top respectively, the one end of two spliced poles 10 runs through roof 9 respectively and is connected with mount pad 2 detachable, roof 9 and electromagnetic housing 1 top fixed connection, roof 9 is taking the magnetism metal sheet, the top of push rod 6 is detachably connected with push rod switching arm 11, the one end of switching arm runs through the logical inslot of seting up in mount pad 2 one side, the surface ring of push rod 6 is equipped with silica gel pad 12, silica gel pad 12 is located between roof 9 and push rod switching arm 11, push rod switching arm 11 is connected with the line pole that cuts, and the line pole that cuts does not draw here, this line pole that cuts does not belong to this subassembly part so do not make excessive details, and push rod 6 drives push rod switching arm 11 impact on silica gel pad 12 when moving down, can play certain cushioning effect to the sudden reset when breaking.
The working principle provided by the utility model is as follows: when the assembly is used, the electromagnetic iron core 4 is electrified to generate magnetic force and is attracted with the top plate 9 in the connecting piece, meanwhile, the electromagnetic iron wire moves upwards to drive the lifting plate 8 to move upwards, the lifting plate 8 is fixed with the push rod 6 and can drive the base 5 to move upwards and extrude the elastic piece, when the electromagnetic iron core 4 is powered off, the push rod 6 is driven to move downwards through the rebound effect of the elastic piece and the lifting plate 8 drives the electromagnetic iron core 4 to move downwards to be attached to the fixed plate 3, so that the electromagnetic iron core 4 can be reset rapidly in the power-off state, and the situation that the iron core magnet is damaged due to untimely reset is prevented to a certain extent.
The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a sewing machine is with cutting line electro-magnet subassembly, includes electromagnetic casing (1) of installing in sewing machine casing, its characterized in that, electromagnetic casing (1) top is dismantled and is connected with mount pad (2), cutting line pushing mechanism wears to be equipped with in electromagnetic casing (1) bottom, electromagnetic casing (1) internally mounted has fixed plate (3), fixed plate (3)'s detachable be connected with the connecting piece, fixed plate (3) top laminating has electromagnetic core (4) of external electric power, electromagnetic core (4) with connecting piece magnetism is inhaled mutually, the connecting piece with mount pad (2) detachable connection;
the wire cutting pushing mechanism comprises a base (5), a push rod (6) and an elastic piece, wherein the base (5) is attached to the bottom of the electromagnetic shell (1), one end of the push rod (6) is fixedly connected with the top of the base (5), a lifting plate (8) is fixedly arranged on the outer surface of the push rod (6), the lifting plate (8) is located between the fixing plate (3) and the connecting piece, the lifting plate (8) is located above the electromagnetic iron core (4), the elastic piece is arranged on the outer surface of the push rod (6) in a surrounding mode, and two ends of the elastic piece are respectively connected with the base (5) and the fixing plate (3) in a fixed mode.
2. The thread cutting electromagnet assembly for a sewing machine according to claim 1, wherein the connecting member comprises a top plate (9) and two opposite connecting posts (10), the two connecting posts (10) are respectively fixed at the top of the fixed plate (3), one ends of the two connecting posts (10) respectively penetrate through the top plate (9) and are detachably connected with the mounting seat (2), and the top plate (9) is fixedly connected with the top of the electromagnetic shell (1).
3. A thread cutting electromagnet assembly according to claim 2, wherein the top plate (9) is a magnetically loaded metal plate.
4. A thread cutting electromagnet assembly for a sewing machine according to claim 3, wherein the top of the push rod (6) is detachably connected with a push rod switching arm (11), and one end of the switching arm penetrates through a through groove formed in one side of the mounting seat (2).
5. The thread cutting electromagnet assembly for sewing machine according to claim 4, wherein the elastic member comprises a compression spring (7), and both ends of the compression spring (7) are fixedly connected with the base (5) and the fixing plate (3), respectively.
6. The thread cutting electromagnet assembly for sewing machine according to claim 5, wherein a silica gel pad (12) is provided around the outer surface of the push rod (6), and the silica gel pad (12) is located between the top plate (9) and the push rod switching arm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321713308.1U CN220224571U (en) | 2023-07-01 | 2023-07-01 | Thread cutting electromagnet assembly for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321713308.1U CN220224571U (en) | 2023-07-01 | 2023-07-01 | Thread cutting electromagnet assembly for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220224571U true CN220224571U (en) | 2023-12-22 |
Family
ID=89194399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321713308.1U Active CN220224571U (en) | 2023-07-01 | 2023-07-01 | Thread cutting electromagnet assembly for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220224571U (en) |
-
2023
- 2023-07-01 CN CN202321713308.1U patent/CN220224571U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |