CN202989487U - Lockstitch sewing machine - Google Patents

Lockstitch sewing machine Download PDF

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Publication number
CN202989487U
CN202989487U CN 201220616582 CN201220616582U CN202989487U CN 202989487 U CN202989487 U CN 202989487U CN 201220616582 CN201220616582 CN 201220616582 CN 201220616582 U CN201220616582 U CN 201220616582U CN 202989487 U CN202989487 U CN 202989487U
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CN
China
Prior art keywords
cloth
dragging
transmission mechanism
wheel
unidirectional
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Expired - Fee Related
Application number
CN 201220616582
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Chinese (zh)
Inventor
张文勇
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Individual
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Individual
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Priority to CN 201220616582 priority Critical patent/CN202989487U/en
Application granted granted Critical
Publication of CN202989487U publication Critical patent/CN202989487U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a device used for sewing fabrics, in particular to a lockstitch sewing machine with high cloth-dragging strength. The lockstitch sewing machine comprises a transverse transmission mechanism and a vertical transmission mechanism which are arranged on a machine shell and are connected, wherein the transverse transmission mechanism is connected with a driving device, a feeding rod driven by a lower shaft eccentric wheel is arranged in the machine shell, and the lower shaft eccentric wheel is controlled by the driving device. An upper cloth-dragging wheel mechanism is arranged at one end of the vertical transmission mechanism, a lower cloth-dragging wheel mechanism vertically and correspondingly matched with the upper cloth-dragging wheel mechanism is arranged in the machine shell, the driving device drives the upper cloth-dragging wheel mechanism through the transverse transmission mechanism and the vertical transmission mechanism, and the lower cloth-dragging wheel mechanism is driven by the feeding rod. The thick-material sewing capacity is strengthened, and the climbing capacity when the sewing material passes through a cross sewing connector is strengthened as well.

Description

Flat seam machine
Technical field
The utility model relates to a kind of device for the sewing textiles, refers in particular to the high flat seam machine of a kind of mop dynamics.
Background technology
Existing chain type money flat seam machine, all adopt presser feet compress, feed dog cloth feeding mechanism aspect mechanism design, can only be suitable for the ordinary sewing requirement, to thick material and joint piece sewing ability extreme difference, be zero substantially without External Force Acting lower contact edge joint position sewability, therefore chain type money flat seam machine aspect sewing performance more common flat seam machine without clear superiority, and practicality shortcoming.
Many families are also arranged in the chain type money flat seam machine of improvement or the single dragging wheel mechanism of follow-up appearance at present, but all can only solve the thick material difficult problem of sewing, can't resolve a joint piece difficult problem, and upper dragging wheel mechanism tugboat is assembled in end face and covers, cloth-dragging wheel front and back position, left-right deviation are extremely unstable, the as easy as rolling off a log process centre joint material list face sideslip that causes sewing.
The utility model content
The technical problem that one, will solve
The purpose of this utility model is for the existing the problems referred to above of prior art, and it is a kind of rational in infrastructure that the spy provides, and has improved the mop dynamics of Sewing machines, has improved the flat seam machine of the sewing ability of thickening sewing and cross piece joint.
Two, technical scheme
for solving the problems of the technologies described above, the utility model flat seam machine, include the transverse transmission mechanism and the vertical transmission mechanism that are arranged on casing, above-mentioned transverse transmission mechanism is connected with vertical transmission mechanism, above-mentioned transverse transmission mechanism is connected with drive unit, be provided with the feeding rod that is driven by the lower shaft eccentric wheel in casing, above-mentioned lower shaft eccentric wheel is controlled by drive unit, wherein, above-mentioned vertical transmission mechanism one end is provided with cloth dragging mechanism, lower cloth dragging mechanism with upper cloth dragging mechanism up and down corresponding matching is installed in said machine casing, above-mentioned drive unit drives upper cloth dragging mechanism by transverse transmission mechanism and vertical transmission mechanism, above-mentioned lower cloth dragging mechanism is driven by feeding rod.
As optimization, above-mentioned transverse transmission mechanism includes the cloth-dragging wheel driving shaft that is arranged on casing, the two ends of cloth-dragging wheel driving shaft are equipped with the scale regulating connecting rod, be provided with the main shaft that is connected with drive unit in said machine casing, the drive link of joining with the scale regulating connecting rod that is arranged on cloth-dragging wheel driving shaft one end is installed on this main shaft, and the above-mentioned scale regulating connecting rod that is arranged on the cloth-dragging wheel driving shaft other end is connected with above-mentioned vertical transmission mechanism.
As optimization, above-mentioned vertical transmission mechanism includes the mop wheel shaft that vertically is plugged on casing, one end of this mop wheel shaft is plugged on the look nut that is screwed onto on casing, the lower end of above-mentioned mop wheel shaft is fastened with lift block, be socketed with pressure spring on above-mentioned mop wheel shaft, this pressure spring one end is against on casing, and the other end is against on lift block; Also include the connecting axle that an end and above-mentioned scale regulating connecting rod are flexibly connected, the other end of this connecting axle and above-mentioned upper cloth dragging mechanism are flexibly connected.
As optimization, said machine casing tightens one and promotes palm, and this promotes palm and above-mentioned lift block clamping.
as optimization, above-mentioned upper cloth dragging mechanism comprises the cloth-dragging wheel support that is fastened on mop wheel shaft bottom, this support is provided with cloth-dragging wheel pin on, upper cloth-dragging wheel pin is provided with a upper cloth-dragging wheel that includes unidirectional needle bearing A, be provided with in above-mentioned unidirectional needle bearing A and coordinate unidirectional active cover and the unidirectional passive cover A that pegs graft with upper cloth-dragging wheel pin, the above-mentioned unidirectional side of initiatively overlapping is provided with to be spirally connected with it to fix and be plugged on and initiatively overlaps connecting rod on the cloth-dragging wheel pin, this initiatively overlaps connecting rod and above-mentioned connecting axle is flexibly connected, above-mentioned unidirectional passive cover A and above-mentioned cloth-dragging wheel support are spirally connected fixing, above-mentioned unidirectional active cover drives unidirectional needle bearing A and rotates.
as optimization, above-mentioned lower cloth dragging mechanism includes the needle plate on the fixed installation casing, be plugged with lower cloth-dragging wheel pin on this needle plate, lower cloth-dragging wheel pin is provided with a lower cloth-dragging wheel that includes unidirectional needle bearing B, be provided with in above-mentioned unidirectional needle bearing B one end be mated and with the needle plate fixing unidirectional passive cover B that is spirally connected, this unidirectional passive cover B is plugged on lower cloth-dragging wheel pin, the above-mentioned unidirectional needle bearing B other end is plugged with shifting disc, this shifting disc is provided with link pin, above-mentioned feeding rod is provided with the shifting disc connecting rod that link pin is pegged graft, above-mentioned feeding rod drives unidirectional needle bearing B by shifting disc connecting rod and shifting disc and rotates.
Three, the beneficial effects of the utility model
Now design adds loads onto cloth dragging mechanism, directly processes mop wheel shaft frame aperture on casing, guarantees that definitely cloth-dragging wheel is vertical with housing, and after assembling machine casing, size is unified stable; Not not outside lower cloth dragging mechanism produces driving force by mechanism before and after feeding rod, and the transmission simultaneously of upper and lower cloth dragging mechanism further strengthens the thick sewing ability of sewing, also strengthens the climbing capacity of sewing when crossing cross piece joint.
Description of drawings
Below in conjunction with accompanying drawing, the utility model flat seam machine is described further:
Fig. 1 is the Sewing machines perspective view that upper and lower cloth dragging mechanism is installed;
Fig. 2 is the M section enlarged drawing of Fig. 1;
Fig. 3 is the exploded view of the utility model flat seam machine transverse transmission mechanism;
Fig. 4 is the exploded view of the vertical transmission mechanism of the utility model flat seam machine;
Fig. 5 is the exploded view of cloth dragging mechanism on the utility model flat seam machine;
Fig. 6 is the exploded view of cloth dragging mechanism under the utility model flat seam machine.
in figure, 1 is casing, 2 is feeding rod, 3 is the cloth-dragging wheel driving shaft, 4 is the scale regulating connecting rod, 5 is main shaft, 6 is drive link, 7 is the mop wheel shaft, 8 is look nut, 9 is lift block, 10 is pressure spring, 11 is connecting axle, 12 for promoting palm, 13 is the cloth-dragging wheel support, 14 is upper cloth-dragging wheel pin, 15 is unidirectional needle bearing A, 16 is upper cloth-dragging wheel, 17 is unidirectional active cover, 18 is unidirectional passive cover A, 19 for initiatively overlapping connecting rod, 20 is needle plate, 21 is lower cloth-dragging wheel pin, 22 is unidirectional needle bearing B, 23 is lower cloth-dragging wheel, 24 is unidirectional passive cover B, 25 is shifting disc, 26 is link pin, 27 is the shifting disc connecting rod, 28 is the graduation indication sheet, 29 is mounting blocks A, 30 is mounting blocks B, 31 is the drive link eccentric wheel.
The specific embodiment
embodiment one: as shown in Fig. 1 to 6, the utility model flat seam machine, include the transverse transmission mechanism and the vertical transmission mechanism that are arranged on casing 1, above-mentioned transverse transmission mechanism is connected with vertical transmission mechanism, above-mentioned transverse transmission mechanism is connected with drive unit, be provided with the feeding rod 2 that is driven by the lower shaft eccentric wheel in casing 1, above-mentioned lower shaft eccentric wheel is controlled by drive unit, wherein, above-mentioned vertical transmission mechanism one end is provided with cloth dragging mechanism, lower cloth dragging mechanism with upper cloth dragging mechanism up and down corresponding matching is installed in said machine casing 1, above-mentioned drive unit drives upper cloth dragging mechanism by transverse transmission mechanism and vertical transmission mechanism, above-mentioned lower cloth dragging mechanism is driven by feeding rod 2.The above-mentioned drive unit of the present embodiment is clutch motor, clutch motor reaches upper cloth dragging mechanism by transverse transmission mechanism and vertical transmission mechanism on the one hand with power, drive lower cloth dragging mechanism by lower shaft eccentric wheel and feeding rod 2 on the other hand, thereby realize the cooperation interlock of upper and lower cloth dragging mechanism.
above-mentioned transverse transmission mechanism includes the cloth-dragging wheel driving shaft 3 that is arranged on casing 1, said machine casing 1 top is provided with the mounting blocks A 29 that is made into integration with it, cloth-dragging wheel driving shaft 3 is plugged on mounting blocks A 29, the two ends of cloth-dragging wheel driving shaft 3 are equipped with scale regulating connecting rod 4, above-mentioned scale regulating connecting rod 4 is by the two ends of bolted at cloth-dragging wheel driving shaft 3, scale regulating connecting rod 4 is provided with graduation indication sheet 28, be provided with the main shaft 5 that is connected with drive unit in said machine casing 1, the drive link 6 of joining with the scale regulating connecting rod 4 that is arranged on cloth-dragging wheel driving shaft 3 one ends is installed on this main shaft 5, above-mentioned drive link 6 is provided with an installing hole, be provided with needle bearing in this installing hole, grafting one drive link eccentric wheel 31 in needle bearing, above-mentioned drive link 6 is arranged on main shaft 5 by drive link eccentric wheel 31, one end and the scale regulating connecting rod 4 of drive link 6 are spirally connected, the above-mentioned scale regulating connecting rod 4 that is arranged on cloth-dragging wheel driving shaft 3 other ends is connected with above-mentioned vertical transmission mechanism.
above-mentioned vertical transmission mechanism includes the mop wheel shaft 7 that vertically is plugged on casing 1, said machine casing 1 is provided with the mounting blocks B 30 that is made into integration with it, this mounting blocks B vertical distribution Shang Xia 30, above-mentioned mop wheel shaft 7 is plugged on mounting blocks B 30, one end of this mop wheel shaft 7 is plugged on the look nut 8 that is screwed onto on casing 1, this look nut 8 is screwed onto on the mounting blocks B 30 that is positioned at the top, one end face of look nut 8 has a blind hole, one end of above-mentioned mop wheel shaft 7 is plugged in blind hole, the lower end of above-mentioned mop wheel shaft 7 is fastened with lift block 9, be socketed with pressure spring 10 on above-mentioned mop wheel shaft 7, these pressure spring 10 1 ends are against on casing 1, the other end is against on lift block 9, also include the connecting axle 11 that an end and above-mentioned scale regulating connecting rod 4 are flexibly connected, the other end of this connecting axle 11 and above-mentioned upper cloth dragging mechanism are flexibly connected.
Said machine casing 1 tightens one and promotes palm 12, and this promotes palm 12 and above-mentioned lift block 9 clampings.
above-mentioned upper cloth dragging mechanism comprises the cloth-dragging wheel support 13 that is fastened on mop wheel shaft 7 bottoms, this support is provided with cloth-dragging wheel pin 14 on, upper cloth-dragging wheel pin 14 is provided with a upper cloth-dragging wheel 16 that includes unidirectional needle bearing A 15, be provided with in above-mentioned unidirectional needle bearing A 15 and coordinate peg graft unidirectional initiatively to overlap 17 and unidirectional passive cover A 18 with upper cloth-dragging wheel pin 14, above-mentioned unidirectional 17 1 sides of initiatively overlapping are provided with to be spirally connected with it to fix and be plugged on and initiatively overlap connecting rod 19 on cloth-dragging wheel pin 14, this initiatively overlaps connecting rod 19 and is flexibly connected with above-mentioned connecting axle 11, above-mentioned unidirectional passive cover A 18 is spirally connected fixing with above-mentioned cloth-dragging wheel support 13, the above-mentioned unidirectional 17 unidirectional needle bearing A 15 of drive that initiatively overlap rotate.
above-mentioned lower cloth dragging mechanism includes the needle plate 20 on fixed installation casing 1, be plugged with lower cloth-dragging wheel pin 21 on this needle plate 20, lower cloth-dragging wheel pin 21 is provided with a lower cloth-dragging wheel 23 that includes unidirectional needle bearing B 22, be provided with in above-mentioned unidirectional needle bearing B 22 1 ends be mated and with the needle plate 20 fixing unidirectional passive cover B 24 that is spirally connected, this unidirectional passive cover B 24 is plugged on lower cloth-dragging wheel pin 21, above-mentioned unidirectional needle bearing B 22 other ends are plugged with shifting disc 25, this shifting disc 25 is provided with link pin 26, above-mentioned feeding rod 2 is provided with the shifting disc connecting rod 27 that link pin 26 is pegged graft, above-mentioned feeding rod 2 drives unidirectional needle bearing B 22 by shifting disc connecting rod 27 and shifting disc 25 and rotates.
Above above-mentioned be only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (6)

1. flat seam machine, include the transverse transmission mechanism and the vertical transmission mechanism that are arranged on casing, described transverse transmission mechanism is connected with vertical transmission mechanism, described transverse transmission mechanism is connected with drive unit, be provided with the feeding rod that is driven by the lower shaft eccentric wheel in casing, described lower shaft eccentric wheel is controlled by drive unit, it is characterized in that: described vertical transmission mechanism one end is provided with cloth dragging mechanism, lower cloth dragging mechanism with upper cloth dragging mechanism up and down corresponding matching is installed in described casing, described drive unit drives upper cloth dragging mechanism by transverse transmission mechanism and vertical transmission mechanism, described lower cloth dragging mechanism is driven by feeding rod.
2. flat seam machine according to claim 1, it is characterized in that: described transverse transmission mechanism includes the cloth-dragging wheel driving shaft that is arranged on casing, the two ends of cloth-dragging wheel driving shaft are equipped with the scale regulating connecting rod, be provided with the main shaft that is connected with drive unit in described casing, the drive link of joining with the scale regulating connecting rod that is arranged on cloth-dragging wheel driving shaft one end is installed on this main shaft, and the described scale regulating connecting rod that is arranged on the cloth-dragging wheel driving shaft other end is connected with described vertical transmission mechanism.
3. flat seam machine according to claim 2, it is characterized in that: described vertical transmission mechanism includes the mop wheel shaft that vertically is plugged on casing, one end of this mop wheel shaft is plugged on the look nut that is screwed onto on casing, the lower end of described mop wheel shaft is fastened with lift block, be socketed with pressure spring on described mop wheel shaft, this pressure spring one end is against on casing, and the other end is against on lift block; Also include the connecting axle that an end and described scale regulating connecting rod are flexibly connected, the other end of this connecting axle and described upper cloth dragging mechanism are flexibly connected.
4. flat seam machine according to claim 3 is characterized in that: described casing tightens one and promotes palm, and this promotes palm and described lift block clamping.
5. according to claim 3 or 4 described flat seam machine, it is characterized in that: described upper cloth dragging mechanism comprises the cloth-dragging wheel support that is fastened on mop wheel shaft bottom, this support is provided with cloth-dragging wheel pin on, upper cloth-dragging wheel pin is provided with a upper cloth-dragging wheel that includes unidirectional needle bearing A, be provided with in described unidirectional needle bearing A and coordinate unidirectional active cover and the unidirectional passive cover A that pegs graft with upper cloth-dragging wheel pin, the described unidirectional side of initiatively overlapping is provided with to be spirally connected with it to fix and be plugged on and initiatively overlaps connecting rod on the cloth-dragging wheel pin, this initiatively overlaps connecting rod and described connecting axle is flexibly connected, described unidirectional passive cover A and described cloth-dragging wheel support are spirally connected fixing, described unidirectional active cover drives unidirectional needle bearing A and rotates.
6. flat seam machine according to claim 5, it is characterized in that: described lower cloth dragging mechanism includes the needle plate on the fixed installation casing, be plugged with lower cloth-dragging wheel pin on this needle plate, lower cloth-dragging wheel pin is provided with a lower cloth-dragging wheel that includes unidirectional needle bearing B, be provided with in described unidirectional needle bearing B one end be mated and with the needle plate fixing unidirectional passive cover B that is spirally connected, this unidirectional passive cover B is plugged on lower cloth-dragging wheel pin, the described unidirectional needle bearing B other end is plugged with shifting disc, this shifting disc is provided with link pin, described feeding rod is provided with the shifting disc connecting rod that link pin is pegged graft, described feeding rod drives unidirectional needle bearing B by shifting disc connecting rod and shifting disc and rotates.
CN 201220616582 2012-11-12 2012-11-12 Lockstitch sewing machine Expired - Fee Related CN202989487U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220616582 CN202989487U (en) 2012-11-12 2012-11-12 Lockstitch sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220616582 CN202989487U (en) 2012-11-12 2012-11-12 Lockstitch sewing machine

Publications (1)

Publication Number Publication Date
CN202989487U true CN202989487U (en) 2013-06-12

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ID=48560683

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220616582 Expired - Fee Related CN202989487U (en) 2012-11-12 2012-11-12 Lockstitch sewing machine

Country Status (1)

Country Link
CN (1) CN202989487U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103668811A (en) * 2013-12-31 2014-03-26 浙江宝石机电股份有限公司 Rear towing wheel device for sewing machine
CN104213341A (en) * 2014-09-16 2014-12-17 张文勇 Belt-loop machine
CN105113131A (en) * 2015-09-16 2015-12-02 西安标准工业股份有限公司 Side cutter binding double-needle lockstitch sewing machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103668811A (en) * 2013-12-31 2014-03-26 浙江宝石机电股份有限公司 Rear towing wheel device for sewing machine
CN103668811B (en) * 2013-12-31 2016-05-04 浙江上工宝石缝纫科技有限公司 A kind of rear tug device of sewing machine
CN104213341A (en) * 2014-09-16 2014-12-17 张文勇 Belt-loop machine
CN105113131A (en) * 2015-09-16 2015-12-02 西安标准工业股份有限公司 Side cutter binding double-needle lockstitch sewing machine

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130612

Termination date: 20131112