CN202559069U - Swing mechanism for stitch width of straight buttonhole machine - Google Patents

Swing mechanism for stitch width of straight buttonhole machine Download PDF

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Publication number
CN202559069U
CN202559069U CN201220162261XU CN201220162261U CN202559069U CN 202559069 U CN202559069 U CN 202559069U CN 201220162261X U CN201220162261X U CN 201220162261XU CN 201220162261 U CN201220162261 U CN 201220162261U CN 202559069 U CN202559069 U CN 202559069U
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CN
China
Prior art keywords
umbrella tooth
mentioned
swing mechanism
swing
transmission shaft
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201220162261XU
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Chinese (zh)
Inventor
王统建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YINGONG SEWING MACHINE CO Ltd
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YINGONG SEWING MACHINE CO Ltd
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Priority to CN201220162261XU priority Critical patent/CN202559069U/en
Application granted granted Critical
Publication of CN202559069U publication Critical patent/CN202559069U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a swing mechanism for the stitch width of a straight buttonhole machine, belongs to the technical field of buttonhole machines, and solves the technical problems that a needle bar of an existing swing mechanism for the stitch width of the straight buttonhole machine is unstable in swing amplitude and the like. The swing mechanism for the stitch width of the straight buttonhole machine comprises a machine shell, a needle bar is installed on the machine shell, a rotating main shaft driving the needle bar to swing left and right is installed inside the machine shell, the rotating main shaft is connected with a servo motor which drives the rotating main shaft to rotate, and a rotating shaft and a transmission shaft are installed between the needle bar and the rotating main shaft. An umbrella gear transmission connecting mechanism is arranged between the rotating main shaft and the rotating shaft, a connecting bar convex handle mechanism is arranged between the rotating shaft and the transmission shaft, one end of the transmission shaft is connected with the connecting bar convex handle mechanism which drives the transmission shaft to rotate left and right, a deflector rod is fixedly installed on the other end of the transmission shaft, and the deflector rod is connected with the needle bar through a swing connecting structure. The swing mechanism for the stitch width of the straight buttonhole machine has the advantages of being stable in operating, steady in swing of the stitch width and the like.

Description

A kind of swing mechanism of the straight buttonholing machine pin width of cloth
Technical field
The utility model belongs to the lockstitch button holder technical field, relates to a kind of swing mechanism of the straight buttonholing machine pin width of cloth.
Background technology
Lockstitch button holder is very important a kind of equipment in the garment machinery, and lockstitch button holder is mainly used in the buttonhole in all kinds of dress ornaments of processing, is divided into two kinds of straight buttonholing machine and eyelet buttonhole sewing machines.The shank of straight buttonholing machine except moving up and down, also will be done horizontal balancing point motion in the process of making, make sewing needle on the diverse location in needle plate hole, thrust sewing, realizes left line, right line, front and back noose, makes to accomplish complete buttonhole.Shank swing performance is very important for the stability of lockstitch button holder work, and whether the shank amplitude of fluctuation with the quality of lockstitch button holder sewing efficiency and the height of fault rate all has direct relation rationally with stable.
The left and right line of straight buttonholing machine is to accomplish through pin width of cloth swing mechanism; Traditional pin width of cloth swing mechanism is through the lower shaft pinion motor power to be passed to the eedle driving gear component through bevel gear mechanism by needle bar frame; Crank, needle bar frame slide block drive under the effect of needle bar frame pin pendulum governor motion before shank rocking bar, fork rear crank, fork again, and making of tack buttonhole accomplished in left and right swing.The swing mechanism of such straight buttonholing machine pin width of cloth makes actual that to occur the shank amplitude of fluctuation in the process easily unstable, causes occurring wire jumper, broken string, stitching and tightens up bad, broken needle, the unequal fault of buttonhole, influences the efficient operation of straight buttonholing machine.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed the swing mechanism of the more stable straight buttonholing machine pin width of cloth of a kind of shank amplitude of fluctuation.
The purpose of the utility model can realize through following technical proposal: a kind of swing mechanism of the straight buttonholing machine pin width of cloth; Comprise a casing; On casing, be provided with shank, in casing, be provided with and drive shank and do the rotating spindle that swings, described rotating spindle is connected with servomotor on being arranged on casing and through the motor-driven rotation; It is characterized in that; Between shank and rotating spindle, be provided with turning cylinder and power transmission shaft, be provided with the umbrella tooth structure that is in transmission connection between described rotating spindle and the turning cylinder, this turning cylinder drives its rotation through the umbrella tooth structure that is in transmission connection; Between turning cylinder and power transmission shaft, be provided with the protruding handle mechanism of connecting rod; One end of this power transmission shaft is connected with the protruding handle mechanism of connecting rod and drives through the protruding handle mechanism of connecting rod and does left-right rotation, is installed with driving lever at the other end of power transmission shaft, and described driving lever is connected with above-mentioned shank through the swing syndeton.
Servomotor drives rotating spindle and rotates; Rotating spindle drives turning cylinder and rotates through the umbrella tooth structure that is in transmission connection; Turning cylinder drives power transmission shaft through protruding handle mechanism and does left-right rotation, does when swinging at power transmission shaft, and the driving lever that is installed in power transmission shaft one end is also done thereupon and swung; Simultaneously, driving lever can drive the left and right swing of shank through the swing syndeton and accomplish making of tack buttonhole.The swing mechanism of this straight buttonholing machine pin width of cloth has stable advantage, and simultaneously the shank amplitude of fluctuation is stable, can effectively avoid occurring wire jumper, broken string, stitching and tighten up bad, broken needle, the unequal fault of buttonhole, guarantees the efficient operation of straight buttonholing machine.
In the swing mechanism of the above-mentioned straight buttonholing machine pin width of cloth, described turning cylinder and power transmission shaft are parallel to rotating spindle respectively and are connected on the casing.
In the swing mechanism of the above-mentioned straight buttonholing machine pin width of cloth; The described umbrella tooth structure that is in transmission connection comprises first group of umbrella tooth and second group of umbrella tooth; Between first group of umbrella tooth and second group of umbrella tooth, be provided with the connecting axle that is orthogonal to above-mentioned rotating spindle; One end of connecting axle is fixed first group of umbrella tooth, and the other end of connecting axle is fixed second group of umbrella tooth.Rotating spindle rotates through first group of umbrella cingulum axle that is dynamically connected, and connecting axle rotates through the moving turning cylinder of second group of umbrella cingulum simultaneously.
In the swing mechanism of the above-mentioned straight buttonholing machine pin width of cloth; Described first group of umbrella tooth comprises umbrella tooth one and the umbrella tooth two that is meshed with umbrella tooth one in the lump perpendicular to the umbrella tooth; Described umbrella tooth one is fixed on the above-mentioned rotating spindle; Described umbrella tooth two is fixed on the above-mentioned connecting axle; Described second group of umbrella tooth comprises umbrella tooth three and perpendicular to umbrella tooth three and the umbrella tooth four that is meshed with umbrella tooth three, described umbrella tooth three is connected on the above-mentioned connecting axle, and described umbrella tooth four is fixed on the above-mentioned turning cylinder.Umbrella tooth one is connected on the rotating spindle and with rotating spindle and rotates; Because umbrella tooth one is meshed with umbrella tooth two; And umbrella tooth two is connected on the connecting axle, and therefore, umbrella tooth one rotates and can drive the connecting axle rotation through umbrella tooth two; In like manner, connecting axle rotates through umbrella tooth three, the moving turning cylinder of the umbrella tooth four-tape and rotates.
In the swing mechanism of the above-mentioned straight buttonholing machine pin width of cloth; The protruding handle mechanism of described connecting rod comprises the cam that has gear and is connected in the protruding handle on the above-mentioned power transmission shaft; Described gear can be meshed with above-mentioned umbrella tooth four; Be provided with connecting rod between described protruding handle and the cam, an end of connecting rod is connected on the above-mentioned cam and through the cam driven swing, the other end of this connecting rod is hinged on the above-mentioned protruding handle.Because the gear on the cam is meshed with umbrella tooth four, umbrella tooth four rotates and can drive cam rotation.Cam rotation also drives the swing of protruding handle through connecting rod, because protruding handle is fixed on the power transmission shaft by screw-driving, therefore protruding handle swing can drive power transmission shaft and do left-right rotation together, also makes the driving lever swing that is connected the power transmission shaft other end simultaneously.
In the swing mechanism of the above-mentioned straight buttonholing machine pin width of cloth, described cam and gear are structure as a whole, and this cam wears through bearing pin one and is connected on the above-mentioned casing.Bearing pin one plays the effect of stationary cam, and cam and gear can rotate on bearing pin one simultaneously.
In the swing mechanism of the above-mentioned straight buttonholing machine pin width of cloth; Described swing syndeton comprises the movable block of a rectangle; Described movable block is hinged on the above-mentioned driving lever through bearing pin two, on shank, is provided with the buckling groove of rectangle, and what above-mentioned movable block slided is connected in the buckling groove.
In the swing mechanism of the above-mentioned straight buttonholing machine pin width of cloth, the needle bar frame that described shank comprises a bar shaped be arranged on the sewing needle on the needle bar frame, an end of said needle bar frame is hinged on the casing, above-mentioned buckling groove is positioned at the other end of needle bar frame.Movable block can drive shank when swinging and does around its hinged end and swing doing with driving lever; Simultaneously, be connected in the buckling groove on the shank owing to what movable block slided, movable block self can slide up and down in buckling groove when driving the shank swing; Therefore making the amplitude of fluctuation of shank compare power transmission shaft is reduced; When the amplitude of fluctuation of power transmission shaft was delivered on the shank through movable block, the amplitude of fluctuation of shank only was about 1 degree, realizes making of tack buttonhole.
In the swing mechanism of the above-mentioned straight buttonholing machine pin width of cloth, the two side of described movable block is resisted against on the two side of above-mentioned buckling groove.
Compared with prior art; The swing mechanism of this straight buttonholing machine pin width of cloth has the following advantages: the swing mechanism of this straight buttonholing machine pin width of cloth is through the driven by servomotor rotating spindle; Rotating spindle drives the left and right swing of shank through turning cylinder, power transmission shaft successively and accomplishes making of tack buttonhole; Compare with the swing mechanism of the traditional straight buttonholing machine pin width of cloth, the operation of this pin width of cloth swing mechanism is more stable, and the shank amplitude of fluctuation is stable simultaneously; Can effectively avoid occurring wire jumper, broken string, the unequal fault of buttonhole, guarantee the efficient operation of straight buttonholing machine.
Description of drawings
Fig. 1 is the part perspective view of the swing mechanism of this straight buttonholing machine pin width of cloth.
Fig. 2 is the perspective view of swing mechanism another part of this straight buttonholing machine pin width of cloth.
Among the figure, 1, shank; 1a, needle bar frame; 1b, sewing needle; 2, rotating spindle; 3, turning cylinder; 4, power transmission shaft; 5, driving lever; 6, connecting axle; 7, the umbrella tooth one; 8, the umbrella tooth two; 9, the umbrella tooth three; 10, the umbrella tooth four; 11, gear; 12, cam; 13, protruding handle; 14, connecting rod; 15a, bearing pin one; 15b, bearing pin two; 16, movable block; 17, buckling groove.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As shown in Figure 1; The swing mechanism of this straight buttonholing machine pin width of cloth comprises a casing, on casing, is provided with shank 1; In casing, be provided with drive shank 1 and do the rotating spindle 2 that swings; Rotating spindle 2 is connected with servomotor on being arranged on casing and rotates through motor-driven, between shank 1 and rotating spindle 2, is provided with turning cylinder 3 and power transmission shaft 4, and turning cylinder 3 is parallel to rotating spindle 2 respectively with power transmission shaft 4 and is connected on the casing.
As shown in Figure 1, between rotating spindle 2 and turning cylinder 3, be provided with the umbrella tooth structure that is in transmission connection, this turning cylinder 3 drives its rotation through the umbrella tooth structure that is in transmission connection.The umbrella tooth structure that is in transmission connection comprises first group of umbrella tooth and second group of umbrella tooth, between first group of umbrella tooth and second group of umbrella tooth, is provided with the connecting axle 6 that is orthogonal to rotating spindle 2, and an end of connecting axle 6 is fixed first group of umbrella tooth, and the other end of connecting axle 6 is fixed second group of umbrella tooth.Wherein, First group of umbrella tooth comprises umbrella tooth 1 and perpendicular to umbrella tooth 1 and the umbrella tooth 28 that is meshed with umbrella tooth 1; Umbrella tooth 1 is fixed on the rotating spindle 2, and umbrella tooth 28 is fixed on the connecting axle 6, and second group of umbrella tooth comprises umbrella tooth 39 and perpendicular to umbrella tooth 39 and the umbrella tooth 4 10 that is meshed with umbrella tooth 39; Umbrella tooth 39 is connected on the connecting axle 6, and umbrella tooth 4 10 is fixed on the turning cylinder 3.
As shown in Figure 2; Between turning cylinder 3 and power transmission shaft 4, be provided with the protruding handle of connecting rod 14 13 mechanisms; The protruding handle of one end of this power transmission shaft 4 and connecting rod 14 13 mechanisms are connected and drive through the protruding handle of connecting rod 14 13 mechanisms and do left-right rotation; The protruding handle of this connecting rod 14 13 mechanisms comprise the cam 12 that has gear 11 and are connected in the protruding handle 13 on the power transmission shaft 4, and cam 12 is structure as a whole with gear 11, and this cam 12 wears through bearing pin one 15a and is connected on the casing.Gear 11 can be meshed with umbrella tooth 4 10, is provided with connecting rod 14 between protruding handle 13 and the cam 12, and an end of connecting rod 14 is connected on the cam 12 and through cam 12 and drives swing, and the other end of this connecting rod 14 is hinged on the protruding handle 13.Umbrella tooth 4 10 rotates and can drive cam 12 rotations, and cam 12 drives protruding handle 13 swings through connecting rod 14, drives power transmission shaft 4 then and does left-right rotation together.
As shown in Figure 2, be installed with driving lever 5 at the other end of power transmission shaft 4, driving lever 5 is connected with shank 1 through the swing syndeton.The swing syndeton comprises the movable block 16 of a rectangle; Movable block 16 is hinged on the driving lever 5 through bearing pin two 15b; On shank 1, be provided with the buckling groove 17 of rectangle, movable block 16 slides is connected in the buckling groove 17 and the two side of movable block 16 is resisted against on the two side of buckling groove 17, the needle bar frame 1a that shank 1 comprises a bar shaped be arranged on the sewing needle 1b on the needle bar frame 1a; The end of needle bar frame 1a is hinged on the casing, and buckling groove 17 is positioned at the other end of needle bar frame 1a.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used shank 1, needle bar frame 1a, sewing needle 1b, rotating spindle 2, turning cylinder 3, power transmission shaft 4, driving lever 5, connecting axle 6, umbrella tooth 1, umbrella tooth 28, umbrella tooth 39 morely; , term such as umbrella tooth 4 10, gear 11, cam 12, protruding handle 13, connecting rod 14, movable block 16, buckling groove 17, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.

Claims (9)

1. the swing mechanism of a straight buttonholing machine pin width of cloth; Comprise a casing; On casing, be provided with shank (1), in casing, be provided with and drive shank (1) and do the rotating spindle (2) that swings, described rotating spindle (2) is connected with servomotor on being arranged on casing and through the driven by servomotor rotation; It is characterized in that; Between shank (1) and rotating spindle (2), be provided with turning cylinder (3) and power transmission shaft (4), be provided with the umbrella tooth structure that is in transmission connection between described rotating spindle (2) and the turning cylinder (3), this turning cylinder (3) drives its rotation through the umbrella tooth structure that is in transmission connection; Between turning cylinder (3) and power transmission shaft (4), be provided with the protruding handle mechanism of connecting rod; One end of this power transmission shaft (4) is connected with the protruding handle mechanism of connecting rod and drives through the protruding handle mechanism of connecting rod and does left-right rotation, is installed with driving lever (5) at the other end of power transmission shaft (4), and described driving lever (5) is connected with above-mentioned shank (1) through swinging syndeton.
2. the swing mechanism of the straight buttonholing machine pin width of cloth according to claim 1 is characterized in that, described turning cylinder (3) and power transmission shaft (4) are parallel to rotating spindle (2) respectively and are connected on the casing.
3. the swing mechanism of the straight buttonholing machine pin width of cloth according to claim 2; It is characterized in that; The described umbrella tooth structure that is in transmission connection comprises first group of umbrella tooth and second group of umbrella tooth; Between first group of umbrella tooth and second group of umbrella tooth, be provided with the connecting axle (6) that is orthogonal to above-mentioned rotating spindle (2), an end of connecting axle (6) is fixed first group of umbrella tooth, and the other end of connecting axle (6) is fixed second group of umbrella tooth.
4. the swing mechanism of the straight buttonholing machine pin width of cloth according to claim 3; It is characterized in that; Described first group of umbrella tooth comprises umbrella tooth one (7) and perpendicular to umbrella tooth one (7) and the umbrella tooth two (8) that is meshed with umbrella tooth one (7); Described umbrella tooth one (7) is fixed on the above-mentioned rotating spindle (2), and described umbrella tooth two (8) is fixed on the above-mentioned connecting axle (6), and described second group of umbrella tooth comprises umbrella tooth three (9) and perpendicular to umbrella tooth three (9) and the umbrella tooth four (10) that is meshed with umbrella tooth three (9); Described umbrella tooth three (9) is connected on the above-mentioned connecting axle (6), and described umbrella tooth four (10) is fixed on the above-mentioned turning cylinder (3).
5. the swing mechanism of the straight buttonholing machine pin width of cloth according to claim 4; It is characterized in that; The protruding handle mechanism of described connecting rod comprises the cam (12) that has gear (11) and is connected in the protruding handle (13) on the above-mentioned power transmission shaft (4); Described gear (11) can be meshed with above-mentioned umbrella tooth four (10); Be provided with connecting rod (14) between described protruding handle (13) and the cam (12), an end of connecting rod (14) is connected above-mentioned cam (12) and upward and through cam (12) drives swing, and the other end of this connecting rod (14) is hinged on the above-mentioned protruding handle (13).
6. the swing mechanism of the straight buttonholing machine pin width of cloth according to claim 5 is characterized in that, described cam (12) and gear (11) are structure as a whole, and this cam (12) wears through bearing pin one (15a) and is connected on the above-mentioned casing.
7. according to the swing mechanism of any described straight buttonholing machine pin width of cloth in the claim 1 to 5; It is characterized in that; Described swing syndeton comprises the movable block (16) of a rectangle; Described movable block (16) is hinged on the above-mentioned driving lever (5) through bearing pin (15b), on shank (1), is provided with the buckling groove (17) of rectangle, and what above-mentioned movable block (16) slided is connected in the buckling groove (17).
8. the swing mechanism of the straight buttonholing machine pin width of cloth according to claim 7; It is characterized in that; Described shank (1) comprises the needle bar frame (1a) of a bar shaped and is arranged on the sewing needle (1b) on the needle bar frame (1a); One end of said needle bar frame (1a) is hinged on the casing, and above-mentioned buckling groove (17) is positioned at the other end of needle bar frame (1a).
9. the swing mechanism of the straight buttonholing machine pin width of cloth according to claim 8 is characterized in that, the two side of said movable block (16) is resisted against on the two side of above-mentioned buckling groove (17).
CN201220162261XU 2012-04-14 2012-04-14 Swing mechanism for stitch width of straight buttonhole machine Expired - Fee Related CN202559069U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102619035A (en) * 2012-04-14 2012-08-01 浙江银工缝纫机有限公司 Swing mechanism for needle range of straight buttonholing machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102619035A (en) * 2012-04-14 2012-08-01 浙江银工缝纫机有限公司 Swing mechanism for needle range of straight buttonholing machines

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121128

Termination date: 20150414

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