CN102168349B

CN102168349B - Doubling sewing machine and its selvedge cutting transmission device

Info

Publication number: CN102168349B
Application number: CN2010101252336A
Authority: CN
Inventors: 林培嘉
Original assignee: Kaulin Manufacturing Co Ltd
Current assignee: Kaulin Manufacturing Co Ltd
Priority date: 2010-02-25
Filing date: 2010-02-25
Publication date: 2012-08-08
Anticipated expiration: 2030-02-25
Also published as: CN102168349A

Abstract

The invention discloses a parallel sewing machine and a selvedge cutting transmission device thereof, wherein the parallel sewing machine is provided with a hollow transverse shaft and a hollow longitudinal shaft, the transmission device comprises a transverse transmission shaft, a driving assembly, a longitudinal crankshaft, a connecting rod, a cutter set and an actuating arm, and the transverse transmission shaft is connected with the hollow transverse shaft in a penetrating way; the driving component is sleeved with the transverse transmission shaft and driven to generate reciprocating swing; the longitudinal crankshaft is connected with the hollow longitudinal shaft in a penetrating way; one end of the connecting rod is fixedly connected with the transverse transmission shaft and is linked with the transverse transmission shaft, and the other end of the connecting rod is connected with the longitudinal crankshaft and drives the longitudinal crankshaft to rotate in a reciprocating manner; the cutter group comprises a fixed cutter and a movable cutter; the actuating arm is connected with the longitudinal crankshaft and the movable cutter; when the movable arm is driven by the longitudinal crankshaft to swing in a reciprocating manner, the movable knife is driven to cut the parallel-sewn selvage relative to the fixed knife. Therefore, the machine body and each mechanism can be shared with components of other machine types, so that the development and installation cost of the components, the die and the like is reduced.

Description

And seam machine and selvedge thereof cut transmission device

Technical field

The relevant a kind of and seam machine of the present invention, particularly relevant a kind of and seam machine and selvedge thereof cut transmission device.

Background technology

And seam is comparatively bright few compared to general sewing; It mainly is to carry out sewing again after two blocks of clothes are overlapped each other; The width that two blocks of clothes coincide must be suitable with the width that Sewing machines is sewed up; Can guarantee that just suture sews in the zone that coincides, and the width that cloth coincides often needs to adjust before cloth sent into the compress pin through operator; Yet this mode of operation need be dependent on the sewing experience and the proficiency of operator, and sewing machine table is of a great variety on the market, and corresponding different machines certainly will will have different adjustment modes; Therefore, even if width adjustment and seam width that the veteran operator of sewing all can't coincide cloth exactly are suitable.

Existing and seam machine; Disclosed like TaiWan, China patent publication No. 200928035 with novel letters patent book number TWM350561; Wherein publication number 200928035 comprises that mainly body, main shaft, upper hook meedle transmission mechanism, pressing element and selvedge cut transmission device; Main shaft cross-under upper machine body is inner, and the upper hook meedle transmission mechanism receives the rotation of main shaft and drives upper hook meedle in each suture needle intercropping circumferential weld (loop), and pressing element then presses operation for each suture needle position as cloth; Selvedge cuts the winding of transmission device through most axostylus axostyles and most connecting rods, and with the gearing of main shaft and can drive the cutting knife group in pressing element to and the limit that sews cloth cut.

Yet; This kind and seam machine still have the following problems point on reality is used; Because its body, each main transmission mechanism with general general-using type Sewing machines all differs very huge, need drop into a large amount of funds again during exploitation, carry out various moulds and reach making and the processing of respectively forming assembly; And the Sewing machines of this kind special requirement receives the bright few condition of use amount again and limits, and its practicality and economic benefit are reduced significantly.In addition, because the transmission mechanism of movable blade all is arranged on the pressing element peripheral region or directly is fixed on the pressing element, not only make the structure complicated of pressing element, and let limited sewing space occupied the inconvenience that causes cloth to be sent in a large number.

Summary of the invention

A purpose of the present invention is to provide a kind of and seam machine and selvedge thereof cut transmission device, and it can be shared with body and each principal organ of general-using type ring seam sewing machine, and then the exploitation that significantly reduces assembly and mould etc. is provided with cost.

In order to reach above-mentioned purpose; The present invention provides selvedge a kind of and the seam machine to cut transmission device; Should and stitching facility has a upper machine body, a main shaft, a upper hook meedle transmission mechanism and a pressing element, this this upper machine body of main shaft cross-under, and this upper hook meedle transmission mechanism is driven by this main shaft; And it comprises a hollow transverse axis and a hollow longitudinal axis of this upper machine body of cross-under, and this pressing element comprises a depression bar of this upper machine body of cross-under and connects the presser feet of seam in the lump of this depression bar; This selvedge cuts transmission device and comprises a horizontal power transmission shaft, a driven unit, a North-south crankshaft, a connecting rod, a cutting knife group and an actuating arm, this horizontal power transmission shaft parallel this main shaft configuration and this hollow transverse axis of cross-under; This driven unit is this main shaft of socket and this horizontal power transmission shaft respectively, and this driven unit is driven by the rotation of this main shaft and produces reciprocally swinging; This North-south crankshaft parallel this depression bar configuration and this hollow longitudinal axis of cross-under; One end of this connecting rod is fixed in this horizontal power transmission shaft and interlock each other, and the other end then connects this North-south crankshaft and drives it does back and forth rotation; This cutting knife group comprise be installed in this dead knife that also stitches presser feet and to should dead knife configuration and be positioned at the movable blade that this also stitches the presser feet side; This actuating arm connects this North-south crankshaft and this movable blade; Wherein, when this actuating arm receives driving and the reciprocally swinging of this North-south crankshaft, will drive simultaneously this movable blade with respect to this dead knife this also stitch in the presser feet to and the sideline judge that sews cloth cut.

In order to reach above-mentioned purpose, the present invention provides a kind of and the seam machine, comprises that a upper machine body, a main shaft, a upper hook meedle transmission mechanism, a pressing element and a selvedge cut transmission device, and this upper machine body of this main shaft cross-under is inner; This upper hook meedle transmission mechanism receives the rotation of this main shaft and drives, and this upper hook meedle transmission mechanism comprises a hollow transverse axis and a hollow longitudinal axis that articulates this upper machine body; This pressing element comprises a depression bar of this upper machine body of cross-under and connects the presser feet of seam in the lump of this depression bar; This selvedge cuts transmission device, comprises a horizontal power transmission shaft, a driven unit, a North-south crankshaft, a connecting rod, a cutting knife group and an actuating arm, this horizontal power transmission shaft parallel this main shaft configuration and this hollow transverse axis of cross-under; This driven unit is this main shaft of socket and this horizontal power transmission shaft respectively, and this driven unit is driven by the rotation of this main shaft and produces reciprocally swinging; This North-south crankshaft parallel this depression bar configuration and this hollow longitudinal axis of cross-under; This connecting rod one end is fixed in this horizontal power transmission shaft and interlock each other, and the other end connects this North-south crankshaft and drives it does back and forth rotation; This cutting knife group comprise be installed in this dead knife that also stitches presser feet and to should dead knife configuration and be positioned at the movable blade that this also stitches the presser feet side; This actuating arm connects this North-south crankshaft and this movable blade; Wherein, when this actuating arm receives driving and the reciprocally swinging of this North-south crankshaft, will drive simultaneously this movable blade with respect to this dead knife this also stitch in the presser feet to and the sideline judge that sews cloth cut.

The present invention also has following effect, and it can cut transmission device with this selvedge and be installed on the Sewing machines under the basic configuration that does not change upper machine body, come to cloth carry out and stitch make operation.It disposes installation according to the upper hook meedle transmission mechanism respectively with most assembly that selvedge cuts transmission device, and the structure of pressing element is more simplified, and makes the expansion of sewing space effective, and increases sewing person's ease of use.

Description of drawings

Fig. 1 is the present invention and the part mechanism combination appearance figure that stitches machine;

Fig. 2 is a upper hook meedle transmission mechanism exploded view of the present invention;

Fig. 3 cuts the transmission device exploded view for selvedge of the present invention;

Fig. 4 cuts the transmission combination sketch map for upper hook meedle transmission mechanism of the present invention and selvedge;

Fig. 5 is that upper hook meedle transmission mechanism of the present invention, selvedge cut transmission device and associated component combination sketch map;

Fig. 6 is the front view of Fig. 5;

Fig. 7 is the lateral side view of Fig. 5;

Fig. 8 cuts the preceding state diagram of transmission device start for selvedge of the present invention;

Fig. 9 cuts state diagram after the transmission device start for selvedge of the present invention;

Figure 10 is for the present invention and stitch that machine institute car is made and sew cloth.

Selvedge cuts transmission device 1

Horizontal power transmission shaft 10

Driven unit 20

Eccentric wheel 21 rocking arms 22

Moving part 23

North-south crankshaft 30

First axostylus axostyle, 31 second axostylus axostyles 32

Quarter butt 33

Connecting rod 40

Cutting knife group 50

Dead knife 51 movable blade 52

Tool rest 53

Actuating arm 60

And seam machine 8

Upper machine body 81 main shafts 82

Upper hook meedle transmission mechanism 83 bearded needle driven units 831

Bearded needle eccentric wheel 8311 bearded needle rocking arms 8312

Moving part 8313 hollow transverse axis 832

The bearded needle connecting rod 833 hollow longitudinal axis 834

Bearded needle quarter butt 835 bearded needle groups 836

Pressing element 84

Depression bar 841 also stitches presser feet 842

Left side compression part 8421 right compression parts 8422

Guiding space 8423

Needle bar 85

Cloth 9

The specific embodiment

Relevant detailed description of the present invention and technology contents, conjunction with figs. are explained as follows, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.

See also Fig. 1 and shown in Figure 2; The present invention provides a kind of and seam machine and selvedge thereof cut transmission device; This and seam machine 8 mainly are that three pin flatcars, three syringe cars or flat more than four pins, the tube car with industrial circumferential weld class is the main body; Present embodiment is that framework flat with three pins, the tube car is explained, it mainly comprises a upper machine body 81, a main shaft 82, a upper hook meedle transmission mechanism 83, a pressing element 84, a needle bar 85 and other device and assembly.Upper machine body 81 roughly is one " L " word shape, and main shaft 82 is to see through the long side direction that bearing or axle sleeve (scheming not shown) prolonging upper machine body 81 to do parallel cross-under.

Upper hook meedle transmission mechanism 83 is to receive 82 drivings of main shaft, and it mainly comprises assemblies such as a bearded needle driven unit 831, a hollow transverse axis 832, a bearded needle connecting rod 833, a hollow longitudinal axis 834 and a bearded needle group 835 and forms.Bearded needle driven unit 831 by a bearded needle eccentric wheel 8311 that is socketed in aforementioned main shaft 82, be socketed in bearded needle eccentric wheel 8311 and receive its rotation and the bearded needle rocking arm 8312 that back and forth waves, be socketed in hollow transverse axis 832 and connect a moving part 8313 of bearded needle rocking arm 8312, moving part 8313 is followed bearded needle rocking arm 8312 and is back and forth waved.Hollow transverse axis 832 is articulated in upper machine body 81 inside and is parallel to main shaft 82 configurations through axle sleeve, driven by moving part 8313 and does back and forth to rotate.The 833 1 end sockets of bearded needle connecting rod are fixed in hollow transverse axis 832 other ends and are then connected the hollow longitudinal axis 834.The hollow longitudinal axis 834 and the roughly orthogonal thereto kenel configuration of aforementioned hollow transverse axis 831, and it is to be connected to bearded needle connecting rod 833 through quarter butt are used the reciprocally swinging that utilizes bearded needle connecting rod 833 and are produced reciprocal rotation.Bearded needle group 835 is socketed in 834 times fragment position of the hollow longitudinal axis, and follows the reciprocal rotation of the hollow longitudinal axis 834 and make reciprocally swinging.

Please consult again shown in Figure 1, pressing element 84 mainly comprise a depression bar 841 and and seam presser feet 842, depression bar 841 is to be positioned at the adjacent to of the hollow longitudinal axis 834 and through axle sleeve cross-under

upper machine body

81, and 842 of presser feets of seam are connected on the bottom end of depression bar 841.

See also Fig. 3 to shown in Figure 7, selvedge of the present invention cuts transmission device 1 and comprises a horizontal power transmission shaft 10, a driven unit 20, a North-south crankshaft 30, a connecting rod 40, a cutting knife group 50 and an actuating arm 60.

Laterally power transmission shaft 10 is an elongate rod, and the length of this horizontal power transmission shaft 10 is greater than the length of hollow transverse axis 831, and it is parallel to main shaft 82 configurations, protruding respectively hollow transverse axis 831 outsides of exposing, its both ends behind horizontal power transmission shaft 10 cross-under hollow transverse axis 831.

Driven unit 20 mainly comprises an eccentric wheel 21, a rocking arm 22 and a moving part 23; Eccentric wheel 21 is that socket is fixed on the main shaft 82 and follows main shaft 82 and rotate together; an end of rocking arm 22 is socketed in eccentric wheel 21 other ends and then is connected in moving part 23, and an end socket of moving part 23 is fixed on the protruding end of exposing hollow transverse axis 831 of horizontal power transmission shaft 10; Use the rotation start that utilizes main shaft 82 and eccentric wheel 21, and make rocking arm 22 and moving part 23 produce reciprocally swinging.

North-south crankshaft 30 is made up of one

first axostylus axostyle

31 and 32 of one second axostylus axostyles parallel but different center lines; Wherein the length of second axostylus axostyle 32 is greater than the length of the hollow longitudinal axis 832; And its parallel struts 841 configurations are the protruding hollow longitudinal axis 832 outsides of exposing in its bottom, the second axostylus axostyle 32 cross-under hollow longitudinal axis, 832 back.

Connecting rod 40 1 ends see through screw and are fixed on the protruding end of exposing hollow transverse axis 831 of horizontal power transmission shaft 10; And with horizontal power transmission shaft 10 interlock each other; The other end then is connected on first axostylus axostyle 31 of North-south crankshaft 30 through a quarter butt 33, uses the laterally back and forth rotation start that utilizes horizontal power transmission shaft 10 and drives North-south crankshaft 30 and do vertically back and forth rotation.

Aforementioned and seam presser feet 842 is mainly by two parallel left compression part 8421, right compression parts 8422 and be formed on a guiding space 8423 of two

compression parts

8421,8422, and cutting knife group 50 comprises a dead knife 51 that is fixed on left compression part 8421 and a movable blade 52 that connects actuating arm 60 1 ends.In addition, cutting knife group 50 also comprises a tool rest 53, and tool rest 53 is fixed on the actuating arm 60 through screw, and this tool rest 53 is made up of U type frame, axostylus axostyle and spring, so does upper and lower moving so that movable blade 52 can be followed right compression part 8422.The other end of actuating arm 60 is socketed on second axostylus axostyle 32, uses the reciprocal rotation that utilizes second axostylus axostyle 32 and reciprocally swinging, and drives movable blade 52 and make reciprocation with respect to dead knife 51.

See also Fig. 8 to shown in Figure 10; Be that the mutual overlap joint of two clothes 9 (shown in figure 10) is repeatedly put during sewing; And from and stitch presser feet 842 belows and send into; With Sewing machines send tool (scheming not shown) with and stitch 842 pairs of clothes 9 of presser feet after send mechanism and cloth 9 progressively moved backward, each suture needle on this moment needle bar 85 will be carried out start up and down to cloth 9, and cooperate bearded needle transmission mechanism 83 with the interaction of each suture needle to two clothes 9 and seam; It is the reciprocally swinging that when main shaft 82 rotations, sees through driven unit 20 that selvedge of the present invention cuts transmission device 1; And drive horizontal power transmission shaft 10 and do back and forth rotation start; And then make connecting rod 40 produce reciprocally swingings and drive North-south crankshaft 30 and do back and forth rotation start; Utilize the movable blade 52 and the North-south crankshaft 30 of the two ends connection cutting knife group 50 of actuating arm 60; And dead knife 51 is placed in and stitches on the presser feet 842, drive with the reciprocal rotation of North-south crankshaft 30 movable blade 52 and stitch in the presser feet 842 to and material 9 edges that sew cloth cut.

In sum; Of the present invention and seam machine and selvedge thereof cut the application target that transmission device really can reach expection, and solve the disappearance of prior art, again because of having novelty and creativeness; Meet the application for a patent for invention important document fully; Filing an application according to Patent Law in the whence, would like to ask detailed survey and grant accurate this case patent, to ensure applicant's right.

Claims

1. A selvedge cutting transmission device of a parallel sewing machine, the parallel sewing machine has an upper body, a main shaft, an upper hook transmission mechanism and a presser, the main shaft passes through the upper body, the upper hook The transmission mechanism is driven by the main shaft, and it includes a hollow horizontal shaft and a hollow vertical shaft passing through the upper body. Feet; the selvage trimming drive includes:

a transverse transmission shaft, arranged parallel to the main shaft and passing through the hollow transverse shaft;

a driving assembly, respectively sleeved on the main shaft and the transverse transmission shaft, the driving assembly is driven by the rotation of the main shaft to generate reciprocating swing;

A longitudinal crankshaft is arranged parallel to the pressure rod and passes through the hollow longitudinal axis;

A connecting rod, one end of which is fixedly connected to the transverse transmission shaft and interlocks with each other, and the other end is connected to the longitudinal crankshaft and drives it to reciprocate;

A cutting knife set, including a fixed knife fixed on the side-sewing presser foot and a movable knife corresponding to the fixed knife and located on the side of the side-sewing presser foot; and

a moving arm connected to the longitudinal crankshaft and the movable knife;

Wherein, when the actuating arm is driven by the longitudinal crankshaft to reciprocate and swing, it will simultaneously drive the movable knife relative to the fixed knife to cut the side of the side-sewing cloth in the side-sewing presser foot.

2. The selvedge cutting transmission device of the seaming machine according to claim 1, wherein the driving assembly comprises an eccentric wheel, a rocker arm and a link, and the eccentric wheel is sleeved and fixed on the main shaft And follow it to rotate, one end of the rocking arm is sleeved on the eccentric wheel and the other end is connected to the linkage, and one end of the linkage is sleeved and fixed on the transverse transmission shaft.

3. The selvedge cutting transmission device of the seaming machine according to claim 1, wherein the longitudinal crankshaft comprises a first shaft and a second shaft parallel to the first shaft but different from the center line The first shaft is connected to the connecting rod through a short rod, and the second shaft passes through the hollow longitudinal shaft and is connected to the actuating arm.

4. The selvedge cutting transmission device of the seaming machine according to claim 3, wherein the length of the transverse transmission shaft is greater than the length of the hollow transverse axis, and the length of the second shaft is greater than the length of the hollow longitudinal axis length.

5. The selvedge cutting transmission device of the seaming machine according to claim 1, wherein the cutter group also includes a knife seat, the knife seat is fixed on the actuating arm by screws, and the movable knife is fixed on the knife block.

6. A parallel sewing machine, characterized in that it comprises:

a body;

A main shaft is connected to the inside of the upper body;

An upper hook transmission mechanism driven by the rotation of the main shaft, the upper hook transmission mechanism includes a hollow horizontal shaft and a hollow vertical shaft pivotally connected to the upper body;

A presser, including a presser bar passing through the upper body and a seaming presser foot connected to the presser bar; and

A selvedge cutting drive, comprising:

a moving arm connected to the longitudinal crankshaft and the movable knife;

7. The seaming machine according to claim 6, wherein the driving assembly comprises an eccentric wheel, a rocker arm and a link, the eccentric wheel is sleeved and fixed on the main shaft and rotates with it, the One end of the rocker arm is sleeved on the eccentric wheel and the other end is connected to the linkage, and one end of the linkage is sleeved and fixed on the transverse transmission shaft.

8. The seaming machine according to claim 6, wherein the longitudinal crankshaft comprises a first shaft and a second shaft parallel to the first shaft but different from the center line, the first shaft A short rod is connected with the connecting rod, and the second shaft passes through the hollow longitudinal shaft and is connected with the actuating arm.

9. The seaming machine according to claim 8, wherein the length of the transverse transmission shaft is greater than the length of the hollow transverse shaft, and the length of the second shaft is greater than the length of the hollow longitudinal axis.

10 . The seaming machine according to claim 6 , wherein the cutter group further comprises a knife seat, the knife seat is fixed on the actuating arm by screws, and the movable knife is fixed on the knife seat. 11 .