CN206625012U - A kind of needle bar of sewing machine swing mechanism - Google Patents

A kind of needle bar of sewing machine swing mechanism Download PDF

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Publication number
CN206625012U
CN206625012U CN201720297091.9U CN201720297091U CN206625012U CN 206625012 U CN206625012 U CN 206625012U CN 201720297091 U CN201720297091 U CN 201720297091U CN 206625012 U CN206625012 U CN 206625012U
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China
Prior art keywords
sewing machine
needle bar
rotating shaft
lug boss
web
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CN201720297091.9U
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Chinese (zh)
Inventor
李日初
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Guangzhou Huafeng Mechanical & Electrical Co Ltd
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Guangzhou Huafeng Mechanical & Electrical Co Ltd
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Abstract

A kind of needle bar of sewing machine swing mechanism, including sewing machine frame and needle bar of sewing machine, first support seat is provided with sewing machine frame, first rotating shaft and the second rotating shaft are provided with first support seat, the first web is provided with first rotating shaft, the first axle sleeve and the first connector are provided with the second rotating shaft, the first actuating rod is provided with first axle set, the first lug boss is provided with the front end of the first actuating rod, being provided with the outer rim of the first web can be with the runner lug boss of the first lug boss phase separation, head rod is provided with the first connector, one end of head rod is connected with needle bar of sewing machine.First web rotates, the first lug boss phase separation on runner lug boss and the first actuating rod on first web makes the first actuating rod produce position skew, so that the first axle sleeve rotates, first axle set drives the first connector in the second rotating shaft to rotate, and the head rod on the first connector occurs position and offsets and drive needle bar of sewing machine realization to swing.

Description

A kind of needle bar of sewing machine swing mechanism
Technical field
It the utility model is related to a kind of needle bar of sewing machine swing mechanism.
Background technology
Sewing machine is with one or more sewing thread, and one or more stitchings are formed on sewing, make one or more layers seam The machinery equipment that material interweaves or united by a seam, it can sew the fabrics such as cotton, fiber crops, silk, hair, staple fibre and leather, plastics, paper Wait product, the stitching neat appearance stitched out, it is smooth firmly, sewing velocity is fast, easy to use.As people are to wearing aesthetic property clothes Requirements at the higher level, people to the stitching of dress ornament, aesthetics, flatness, firmness, decoration performance be proposed more requirements. China's patent (notification number:CN204097694U;The day for announcing:A kind of electronic pattern sewing machine 2015-01-14) is disclosed, including Sewing machine head, support, Y-axis guide rail, Y-axis guide bracket, Y-axis driving device, X-axis guide rail, X-axis guide bracket, X-axis driving device, material table Face and holding pad;Parallel on support to be provided with two Y-axis guide rails, for Y-axis guide bracket in Y-axis guide rail, Y-axis driving device is located at Y-axis Guide rail side is simultaneously connected with Y-axis guide bracket;Y-axis guide rail front end is fixed with X-axis guide rail, and Y-axis guide bracket rear end is provided with sewing machine head;X For spindle guide seat in X-axis guide rail, X-axis guide rail side is provided with X-axis driving device;X-axis driving device includes synchronous pulley one, same Belt wheel two, synchronous pulley three, synchronous pulley four, timing belt one, timing belt two, splined shaft, bearing, sliding sleeve and servomotor are walked, X-axis guide rail both ends are respectively equipped with synchronous pulley one and synchronous pulley two, and synchronous pulley one is located at synchronous pulley one and synchronous pulley Between two, one end of splined shaft is fixedly connected by key with synchronous pulley two, is sheathed in the middle part of splined shaft in sliding sleeve, sliding sleeve is set In the bearing of bearing, synchronous pulley three is sheathed on the outside of sliding sleeve by key, and sliding sleeve side is provided with servomotor, servomotor it is defeated Shaft is arranged with synchronous pulley four, and timing belt four is provided between synchronous pulley four and synchronous pulley three;X-axis guide bracket front end is fixed and set Holding pad, holding pad lower section are provided with material table top, and material table top is fixed on support.Sewing machine in above-mentioned patent document Although pattern design can be sewed, it is walked about using the two dimension of cloth to realize, its complicated in mechanical structure, cloth is in pin Movement causes inconvenient for use below head, and sewing efficiency is bad.
The content of the invention
The technical problems to be solved in the utility model be to provide it is a kind of it is simple in construction, needle bar of sewing machine can be realized from movable pendulum Dynamic needle bar of sewing machine swing mechanism.
In order to solve the above-mentioned technical problem, the utility model includes sewing machine frame and needle bar of sewing machine, in the sewing Machine frame is provided with first support seat, and first rotating shaft and the second rotating shaft are provided with first support seat, is provided with first rotating shaft First web, the first axle sleeve and the first connector are provided with the second rotating shaft, the first actuating rod is provided with first axle set, The front end of first actuating rod is provided with the first lug boss, and being provided with the outer rim of the first web can be with turn of the first lug boss phase separation Lug boss is taken turns, head rod is provided with the first connector, one end of head rod is connected with needle bar of sewing machine.Sewing Machine frame is provided with rotary electric machine, and rotary electric machine acts on the first web and rotated, runner lug boss on the first web and the The first lug boss phase separation on one actuating rod makes the first actuating rod produce position skew, so that the first axle sleeve rotates, first Axle sleeve drives the first connector in the second rotating shaft to rotate, and the head rod on the first connector occurs position and offsets and drive Needle bar of sewing machine, which is realized, to be swung.
As further improvement of the utility model, the runner lug boss includes putting down along the axial direction of the first web The second lug boss and the 3rd lug boss that row is set, the length of the second lug boss are more than the length of the 3rd lug boss.It can adjust First axle is enclosed on the position in the second rotating shaft, makes the first lug boss and the second lug boss or the 3rd lug boss phase separation, because the The length of two lug bosses is more than the length of the 3rd lug boss, and such first lug boss acts on the second lug boss or the 3rd lug boss When, position offset caused by the first actuating rod is different so that the amplitude of oscillation of needle bar of sewing machine is different, and adapting to different uses needs Ask.
As further improvement of the utility model, the first spring part is cased with the second rotating shaft, the first spring part is in Between first axle sleeve and first support seat, first connector is U-shape structure, and it is spacing logical that first is provided with the first connector Groove, the first spacing preiection is provided with first axle set, the first spacing preiection is in the first spacing groove.
As further improvement of the utility model, second support seat is provided with the sewing machine frame, at second Stand is provided with the second spacing groove, and the needle bar of sewing machine passes through the second spacing groove, is cased with needle bar of sewing machine and the The sliding seat that two spacing grooves are slidably matched.
As further improvement of the utility model, link is provided with needle bar of sewing machine, link is connected with first Bar connects, and the upper end of link is provided with the 3rd rotating shaft, and one end of the 3rd rotating shaft is connected with second support seat, covered in the 3rd rotating shaft There is second spring part.
As further improvement of the utility model, the first rotate gear, the first rotate gear are cased with first rotating shaft It is connected with the first web.
In summary, the utility model has the advantages that it is simple in construction, needle bar of sewing machine automatic swing can be realized.
Brief description of the drawings
It is next with reference to the accompanying drawings and detailed description that the utility model is described in more detail.
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the first web of the present utility model and the first axle sleeve phase separation structural representation.
Fig. 3 is the structural representation of the first axle sleeve of the present utility model.
Embodiment
As shown in Fig. 1 to Fig. 3, the utility model includes sewing machine frame 1 and needle bar of sewing machine 2, in the sewing machine machine Frame 1 is provided with first support seat 3, and the rotating shaft 5 of first rotating shaft 4 and second is provided with first support seat 3, is set in first rotating shaft 4 There are the first web 6 and the first rotate gear 7, the first rotate gear 7 is connected with the first web 6, is provided with the second rotating shaft 5 First axle sleeve 8 and the first connector 9, the first actuating rod 10 is provided with the first axle sleeve 8, is provided with the front end of the first actuating rod 10 First lug boss 11, is cased with the first spring part 12 in the second rotating shaft 5, and the first spring part 12 is in the first axle sleeve 8 and first Between stand 3, first connector 9 is U-shape structure, the first spacing groove 13 is provided with the first connector 9, in first axle Set 8 is provided with the first spacing preiection 14, and the first spacing preiection 14 is in the first spacing groove 13, in the outer of the first web 6 Edge, which is provided with, to include the axle along the first web 6 with the runner lug boss of the phase separation of the first lug boss 11, the runner lug boss The second lug boss 15 and the 3rd lug boss 16 being be arranged in parallel to direction, the length of the second lug boss 15 are more than the 3rd lug boss 16 Length, head rod 17 is provided with the first connector 9, link 18 is provided with needle bar of sewing machine 2, link 18 Upper end is provided with the 3rd rotating shaft 19, and second support seat 20, one end and second of the 3rd rotating shaft 19 are provided with the sewing machine frame 1 Carrier base 20 is connected, and second spring part 21 is cased with the 3rd rotating shaft 19, and one end of head rod 17 is connected with link 18, The second spacing groove 22 is provided with second support seat 20, the needle bar of sewing machine 2 passes through the second spacing groove 22, in sewing machine The sliding seat being slidably matched with the second spacing groove 22 is cased with shank 2.
Rotary electric machine is provided with sewing machine frame 1, rotary electric machine, which acts on the first rotate gear 7, makes 6 turns of the first web Dynamic, the phase separation of the first lug boss 11 on runner lug boss and the first actuating rod 10 on the first web 6 makes the first actuating rod 10 produce position skew, so that the first axle sleeve 8 rotates, the first axle sleeve 8 drives the first connector 9 in the second rotating shaft 5 to rotate, Head rod 17 on first connector 9 occurs position and offsets and drive needle bar of sewing machine 2 to realize swing.Adjust the first axle sleeve 8 position in the second rotating shaft 5, make the first lug boss 11 and the second lug boss 15 or the phase separation of the 3rd lug boss 16, because the The length of two lug bosses 15 is more than the length of the 3rd lug boss 16, and such first lug boss 11 acts on the second lug boss 15 or the 3rd During lug boss 16, position offset caused by the first actuating rod 10 is different so that the amplitude of oscillation of needle bar of sewing machine 2 is different, adapts to not Same use demand.First spring part 12 plays a part of buffering, reinforcement structure between the first axle sleeve 8 and first support seat 3 Intensity.Because the first spacing preiection 14 is in the first spacing groove 13, so to the first axle sleeve 8 in the position of the second rotating shaft 5 Spacing effect is played in regulation, prevents the first lug boss 11 from deviateing the zone of action.Second spring part 21 is in link 18 and second Play a part of buffering, reinforcement structure intensity between carrier base 20.Because it is cased with needle bar of sewing machine 2 and the second spacing groove 22 sliding seats being slidably matched, so make needle bar of sewing machine 2 more steady in the process of swing.

Claims (6)

1. a kind of needle bar of sewing machine swing mechanism, including sewing machine frame and needle bar of sewing machine, it is characterised in that:In the sewing Machine frame is provided with first support seat, and first rotating shaft and the second rotating shaft are provided with first support seat, is provided with first rotating shaft First web, the first axle sleeve and the first connector are provided with the second rotating shaft, the first actuating rod is provided with first axle set, The front end of first actuating rod is provided with the first lug boss, and being provided with the outer rim of the first web can be with turn of the first lug boss phase separation Lug boss is taken turns, head rod is provided with the first connector, one end of head rod is connected with needle bar of sewing machine.
2. the needle bar of sewing machine swing mechanism as described in claim 1, it is characterised in that:The runner lug boss is included along first The second lug boss and the 3rd lug boss that the axial direction of web be arranged in parallel, the length of the second lug boss are more than the 3rd projection The length in portion.
3. the needle bar of sewing machine swing mechanism as described in claim 1, it is characterised in that:The first spring is cased with the second rotating shaft Part, the first spring part are between the first axle sleeve and first support seat, and first connector is U-shape structure, in the first connection Part is provided with the first spacing groove, the first spacing preiection is provided with first axle set, it is spacing logical that the first spacing preiection is in first In groove.
4. the needle bar of sewing machine swing mechanism as described in claim 1, it is characterised in that:The is provided with the sewing machine frame Two carrier bases, are provided with the second spacing groove on second support seat, and the needle bar of sewing machine passes through the second spacing groove, sewed The sliding seat being slidably matched with the second spacing groove is cased with eedle bar.
5. the needle bar of sewing machine swing mechanism as described in claim 4, it is characterised in that:Connection is provided with needle bar of sewing machine Frame, link are connected with head rod, and the upper end of link is provided with the 3rd rotating shaft, one end and the second support seat of the 3rd rotating shaft Connection, second spring part is cased with the 3rd rotating shaft.
6. the needle bar of sewing machine swing mechanism as described in claim 1, it is characterised in that:The first rotation is cased with first rotating shaft Gear, the first rotate gear are connected with the first web.
CN201720297091.9U 2017-03-24 2017-03-24 A kind of needle bar of sewing machine swing mechanism Active CN206625012U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720297091.9U CN206625012U (en) 2017-03-24 2017-03-24 A kind of needle bar of sewing machine swing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720297091.9U CN206625012U (en) 2017-03-24 2017-03-24 A kind of needle bar of sewing machine swing mechanism

Publications (1)

Publication Number Publication Date
CN206625012U true CN206625012U (en) 2017-11-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720297091.9U Active CN206625012U (en) 2017-03-24 2017-03-24 A kind of needle bar of sewing machine swing mechanism

Country Status (1)

Country Link
CN (1) CN206625012U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110846816A (en) * 2019-07-12 2020-02-28 上海大学 General distributor of sewing machine external module type stitch motion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110846816A (en) * 2019-07-12 2020-02-28 上海大学 General distributor of sewing machine external module type stitch motion
CN110846816B (en) * 2019-07-12 2022-02-08 上海大学 General distributor of sewing machine external module type stitch motion

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