CN101935922B - Pressing device of sewing machine - Google Patents
Pressing device of sewing machine Download PDFInfo
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- CN101935922B CN101935922B CN 201010221399 CN201010221399A CN101935922B CN 101935922 B CN101935922 B CN 101935922B CN 201010221399 CN201010221399 CN 201010221399 CN 201010221399 A CN201010221399 A CN 201010221399A CN 101935922 B CN101935922 B CN 101935922B
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- 238000003825 pressing Methods 0.000 title claims abstract description 73
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- 238000005096 rolling process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 3
- 230000000452 restraining effect Effects 0.000 abstract 1
- 210000002683 foot Anatomy 0.000 description 31
- 230000005540 biological transmission Effects 0.000 description 25
- 230000008093 supporting effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 241000274582 Pycnanthus angolensis Species 0.000 description 5
- 239000011087 paperboard Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 241000150100 Margo Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000000047 product Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The present invention provides a pressing device, capable of effectively restraining a foot press from swinging together with a cutter mechanism used for cutting material by a simple structure, and performing good edge joint. The pressing device includes a foot press (5) arranged on the lower end of a press bar (31) so as to hold material arranged the foot press (5) and a needle plate (10), wherein the pressing bar is hanged down from one end of a sewing machine arm (3), and the needle plate is arranged on a sewing machine platform (1); a cutter mechanism arranged on the foot press (5) and having a fixed knife (7a) and a movable knife (7b); and a swing stopping member (6) arranged on the sewing machine arm (3) and conjoined to the foot press body (50) of the foot press (5) from the rear side in a feeding direction, so as to retrain the foot press (5) to swing toward two sides in the moving direction of the movable knife (7b).
Description
Technical field
The present invention relates to a kind of hold down gag that is equipped with foot-pressing device and cutter mechanism, wherein, foot-pressing device drop on the needle plate of being located at sewing machine table with clamping between this foot-pressing device and this needle plate as the sewing of making object, cutter mechanism is located at the edge that is used for cutting out neat described sewing on this foot-pressing device.
Background technology
Elbow cartridge type (feed off the arm type) sewing machine for covering chain stitch (hereinafter referred to as the elbow arm-type sewing machine) is a kind of form of industrial sewing machines.The elbow arm-type sewing machine is included in the bottom of frame along the board of the elongated cartridge type (arm-type) of a direction extension, and is included in the top of frame along the horn of the direction extension that is different from board.This Sewing machines for example can be used for lower crotch to panties, pants and divide and carry out piece.Piece is implemented in the following manner, that is, be sandwiched between needle plate and the foot-pressing device after the edge that makes 2 clothes that will piece is overlapping up and down with preset width, and its base end part from board is sent to leading section, wherein, needle plate is arranged on the board, and foot-pressing device drops on this needle plate.
The foot-pressing device of elbow arm-type sewing machine is equipped be used to the cutter mechanism of cutting out neat sewing edge (for example, with reference to Japan's patent gazette " JP 7-57272 number ").Foot-pressing device comprises presser feet body and 2 presser feets that extend in the place ahead of this presser feet body (upstream side of sewing direction of feed).2 presser feets are parallel to each other.But cutter mechanism comprise be fixed in one on the presser feet dead knife and be installed in moving knife on another presser feet.
But dead knife and moving knife are toward each other front at needle downing position (position that pin is fallen), and wherein needle downing position is set in foot-pressing device.But moving knife is by the transmission from the cutting knife swinging axle of horn inside, slips with dead knife and carries out reciprocating action.The edge that needs the sewing of piece alignd mutually and the edge of alignment stood on the needle plate, under this state sewing is being delivered between 2 presser feets, but when arrive dead knife and moving knife slip the position time edge cut out together.It is overlapping and be sent to the pin place and carry out piece up and down with preset width to cut out neat sewing.The operating personnel needn't carry out careful adjustment to stacked width by handwork just can be with the basic fixing wide piece of stably implementing of seam.
Summary of the invention
People wish that eagerly above-mentioned piece also can use in the box board double-chain stitch machine that has box board take the large tracts of land sewing as making object (below be called box Sewing machines), wherein, box board has be used to the flat top that supports above-mentioned sewing.The foot-pressing device with cutter mechanism that the elbow arm-type sewing machine possesses also is applicable in the box Sewing machines, and is applicable by this, can implement piece in box Sewing machines.
Box Sewing machines has the structure different from the elbow arm-type sewing machine at following 2, that is, and and the bearing of trend of horn and the direction of feed of sewing and the bearing of trend quadrature of board identical with the bearing of trend of board.In addition, also be everlasting in the box Sewing machines front upper lateral part of foot-pressing device arranges the auxiliary body of protecgulum suture looper etc.Therefore, when the foot-pressing device with cutter mechanism that the elbow arm-type sewing machine is possessed is applied to box board, but must the transmission mechanism from the inside of horn to moving knife be designed.
The applicant has proposed a kind of box Sewing machines according to the difference on the said structure, can adopt foot-pressing device with cutter mechanism by the transmission mechanism that is fit to box Sewing machines is set.This box Sewing machines is provided with transmission cylinder at compressor arm, and this transmission cylinder and compressor arm are chimeric coaxially, and compressor arm hangs down in its lower end foot-pressing device to be installed from the leading section of horn.Upper end and cutting knife swinging axle at the inner transmission cylinder that extends of horn link, but are projected into the lower end and moving knife binding of the transmission cylinder of horn outside.The cutting knife swinging axle is the axle that repeatedly rotates in the inside of horn.Transmission cylinder rotates coaxially repeatedly corresponding to repeatedly rotation and the compressor arm of cutting knife swinging axle, but moving knife carries out reciprocating action corresponding to the repeatedly rotation of transmission cylinder.
But, in the box Sewing machines that as above consists of, need to guarantee be used to the space that sets above-mentioned auxiliary body at the front upper lateral part of foot-pressing device, but also need moving knife is set transmission mechanism.Because compressor arm is large from the outstanding length of the leading section of horn, therefore, be installed on this compressor arm lower end foot-pressing device may with the action of cutter mechanism can moving knife moving back and forth and produce swing.
But the direction that the swing of foot-pressing device namely intersects with the direction of feed of sewing with the moving direction of moving knife is fairly obvious when making thick cloth as principal component.This swings when occuring, and the sewing clamping situation between foot-pressing device and the needle plate is unstable, thereby causes the sewings quality to reduce.
Can suppress by the rigidity that improves the compressor arm that supports foot-pressing device the swing of foot-pressing device.But, improve the restriction that rigidity is subject near the size the compressor arm support by the diameter that increases compressor arm, improve the increase that rigidity will cause product cost by the material that changes compressor arm, so these two kinds of methods are not good countermeasures.
The present invention proposes in view of above problem, purpose is to provide a kind of hold down gag of Sewing machines, can suppress compressor arm by simple reliable in structure ground and produce with the action of cutter mechanism and swing, thus can the edge of cutting out neat sewing by cutter mechanism and they are mutually stacked after implement well piece.
The hold down gag of the Sewing machines of the present invention the 1st aspect, comprise: foot-pressing device, cutter mechanism and only put parts, foot-pressing device is installed in the lower end of compressor arm with the sewing of clamping between foot-pressing device and needle plate, and described compressor arm hangs down from the end of sewing machine arm, and described needle plate is located on the sewing machine table; But cutter mechanism is arranged on this foot-pressing device and comprises moving knife and dead knife, but described moving knife move back and forth in the direction of intersecting with described sewing direction of feed, but described dead knife with should slip by moving knife; Only put parts and be installed on described sewing machine arm, from the rear side of described direction of feed and a part of butt of described foot-pressing device, but to suppress described foot-pressing device rolling to each side to the moving direction of described moving knife.
The hold down gag of the Sewing machines of the present invention the 2nd aspect, wherein, the present invention the 1st aspect is described only puts parts and comprises and the 1st bearing surface and the 2nd bearing surface of the different parts butt of described foot-pressing device that the 1st bearing surface and the 2nd bearing surface tilt in the opposite direction so that the upstream side of described direction of feed is open state.
The hold down gag of the Sewing machines of the present invention the 3rd aspect, wherein, the described parts of only putting in the present invention the 2nd aspect comprise: base station, the 1st support unit and the 2nd support unit, base station is fixed on the end of described sewing machine arm; The 1st support unit position changeable more is installed on this base station and comprises described the 1st bearing surface; The 2nd support unit position changeable more is installed on described base station and comprises described the 2nd bearing surface.
The hold down gag of the Sewing machines of the present invention the 4th aspect, wherein, the 1st support unit or the 2nd support unit can be installed on this base station with described base station discretely by end side direction or the operation of the withdrawing on the described direction of feed at described sewing machine arm.
In the hold down gag of the Sewing machines aspect the present invention the 1st, what be installed on horn only puts parts from direction of feed both sides and the foot-pressing device butt of sewing, therefore can suppress reliably foot-pressing device and swing with the action of cutter mechanism, thereby can carry out well piece.
In addition, in the hold down gag of the Sewing machines aspect the present invention the 2nd, with the bearing surface of only putting parts of foot-pressing device butt for tilting so that the upstream side of direction of feed is the inclined plane of open state in the opposite direction, therefore, not only can suppress the swing on the left and right directions of foot-pressing device, the swing that the rear of foot-pressing device makes progress can also be suppressed, thereby piece can be carried out well.
In addition, in the hold down gag of the Sewing machines aspect the present invention the 3rd, by adjusting respectively the 1st support unit that possesses the 1st bearing surface and possessing the 2nd support component of the 2nd bearing surface with respect to the position that is fixed on the base station on the horn, can make easily foot-pressing device be in suitable butt state, thereby realize the good effect of only putting.
In addition, in the hold down gag of the Sewing machines aspect the present invention the 4th, by withdrawing the 1st support unit or the 2nd support unit on the front direction of sewing machine arm or direction of feed, can realize easily dismounting of only putting parts etc., the present invention has obtained useful effect.
Above-mentioned purpose and the feature with other of the present invention will be clearer from the following description of reference accompanying drawing.
Description of drawings
Fig. 1 is the integrally-built stereoscopic figure that expression has the Sewing machines of hold down gag of the present invention.
Fig. 2 is the stereogram of observing near the left front the installation portion of foot-pressing device.
Fig. 3 is the stereogram of observing near the right front the installation portion of foot-pressing device.
But Fig. 4 is the stereogram of the driving mechanism of moving knife.
Fig. 5 is the stereoscopic figure that only puts parts.
Fig. 6 is the exploded perspective view of only putting parts.
The specific embodiment
Below, the present invention is described in detail with reference to the accompanying drawing that represents embodiments of the present invention.Fig. 1 is the integrally-built stereoscopic figure that expression has the Sewing machines of hold down gag of the present invention.Below in the explanation, directly continue to use " up and down " among Fig. 1 reach " about ", and with the paper of Fig. 1 nearby side as " front ", with the inboard of paper as " afterwards ".
Sewing machines shown in Figure 1 is the double-chain stitch machine with box board 1, comprises socle 2 and horn 3.Socle 2 is arranged on the end face of right-hand end of board 1 and with respect to this end face and generally perpendicularly erects.Horn 3 is arranged at the upper end of socle 2 continuously, and is parallel with board 1 and extend upward at left.
The leading section of horn 3 is supported with shank 30 and compressor arm 31.Shank 30 moves up and down by the action of needle bar drive device (diagram is omitted), and wherein needle bar drive device is located at the inside of horn 3.Shank 30 is outstanding to the below of horn 3, and branched pin 4,4...... are equipped with by pin folder 40 in the bottom of this shank 30.These pins 4,4...... rise and descend corresponding to moving up and down of shank 30.
At the end face of board 1, be provided with needle plate 10 corresponding to the position rack of falling of pin 4,4...... and foot-pressing device 5.Needle plate 10 is the long rectangular flats of fore-and-aft direction, is installed on board 1 by a plurality of dogbolts (diagram is omitted) detachable.
The foot-pressing device 5 that descends as mentioned above is stacked on the needle plate 10, and sewing is sandwiched between this foot-pressing device 5 and the needle plate 10.This sewing rearward transmits by feeding tooth 11,11...... (with reference to Fig. 2).The action of feeding tooth 11, the 11...... feed mechanism by being located at board 1 inside seesaws and the motion that moves up and down and combine, and repeat following action: be projected on the needle plate 10 via each feeding perforation 12,12...... (with reference to Fig. 3) when moving up and rearward mobile, move down afterwards and reset movement forwards.Sewing on the needle plate 10 is rearward transmitted off and on by this action.
Fig. 2 is the stereogram of observing near the left front foot-pressing device 5 installation portions, and Fig. 3 is the stereogram of observing near the right front foot-pressing device 5 installation portions.Foot-pressing device 5 comprises the presser feet body 50 that is fixed in compressor arm 31 lower ends, and 2 presser feets 51 and 52.Presser feet 51,52 is arranged at the left and right sides of presser feet body 50 continuously, and forwards extends parallel to each other.Presser feet 51,52 gap suitable at the interval, front side of presser feet body 50 and in opposite directions to form the lead-in path of sewing.
But this presser feet 51,52 is equipped with the cutter mechanism that comprises dead knife 7a and moving knife 7b.Dead knife 7a is the tabular cutting knife that is fixed in the presser feet 51 in left side.Dead knife 7a is inserted and secured in the retaining hole 53 of the square-section of being located at foot-pressing device 51.Be projected into the base portion of the dead knife 7a in foot-pressing device 51 outsides shown in Fig. 2.The front end of dead knife 7a is provided with blade, and this front end is inner outstanding to the described lead-in path between the presser feet 51,52.
But moving knife 7b inserts in the retaining hole 54 of the square-section of being located at right side presser feet 52.But moving knife 7b can move up at right and left under the guiding of retaining hole 54.But the leading section of moving knife 7b is provided with blade, and this leading section is inner outstanding to the described lead-in path between the presser feet 51,52.But the base portion of moving knife 7b is given prominence to suitable length on the right side of presser feet 52, and is fixed on the knife rest 75.
But moving knife 7b moves back and forth at left and right directions by the action of aftermentioned knife drive mechanism (with reference to Fig. 4).But the inner blade with dead knife 7a of the lead-in path of the blade of the moving knife 7b front end that moves back and forth between left and right sides presser feet 51,52 slips.
Pin 4,4...... also are shown among Fig. 2,3.Pin 4,4...... are fallen at left and right presser feet 51,52 rear side, by arriving the inside of board 1 behind the pin hole (diagram is omitted) that arranges at presser feet body 50 and needle plate 10.2 sewing justified margins are vertically to stand in the lead-in path between the state importing presser feet 51,52 on the needle plate 10.But dead knife 7a and moving knife 7b will arrive the edge of the sewing that slips the position to be cut out neat.Cut out the action of neat cloth by feeding tooth 11,11...... and rearward transmit, overlapping up and down by the effect of presser feet body 50, deliver to falling behind the position by piece of pin 4,4.......
In addition, as shown in Figure 1, the guide plate 55 for the section of guiding sewing is equipped with on the top of foot-pressing device 5, and suction line 56 is equipped with by support 57 in the left side of the horn 3 of supporting foot-pressing device 5, and suction line 56 is used for sucking the sewing section of described guide plate 55 guiding.Omit the diagram of guide plate 55 and suction line 56 among Fig. 2,3.
As shown in Figure 1, suction line 56 has to the suction inlet of the left side rear aperture of foot-pressing device 5, and the sewing section that suction line 56 guides guide plate 55 is drawn to suction inlet and removes.The support 57 that is used for installation suction line 56 can carry out opening operation centered by the joint pin 58 of being located at along the vertical direction the rear portion, suction line 56 moves to the position of readiness away from foot-pressing device 5 by this operation.The suction line 56 that moves to position of readiness does not hinder and sewing is placed needle plate 10 or it is taken away from needle plate 10.
But Fig. 4 is the stereogram of the driving mechanism of moving knife 7b." 9 " are the cutting knife swinging axle among Fig. 4.Cutting knife swinging axle 9 horizontal supportings are inboard in the leading section of horn 3, by the transmission reciprocating rotation in predetermined angular range from machine spindle.Swing arm 90 is fixed on the end of cutting knife swinging axle 9 and radially outward outstanding along cutting knife swinging axle 9.Swing arm 90 swings with the reciprocating rotation of cutting knife swinging axle 9.
But the driving mechanism of moving knife 7b possesses columnar transmission cylinder 70.Transmission cylinder 70 possesses the axial large large-diameter portion of an end diameter, is provided with the cutting knife hold-down arm 71 that forms as one at this large-diameter portion, and this cutting knife hold-down arm 71 is radially outward outstanding along above-mentioned large-diameter portion.As shown in Figure 4, transmission cylinder 70 take cutting knife hold-down arm 71 1 sides as under be rotatably supported on the carrying cylinder 73, wherein carrying cylinder 73 connects the lower wall of horns 3.
The top of transmission cylinder 70 is projected into the inside of horn 3, and transmission arm 72 is equipped with in this outstanding end.The end of the transmission arm 72 that extends radially outward links by the swing arm 90 of drive link 91 with cutting knife swinging axle 9, and wherein drive link 91 has ball-and- socket joint 92,92 at two ends.Thereby the swing that the swing of swing arm 90 correspondingly carries out transmission arm 72 by drive link 91 conduction to transmission arm 72, transmission cylinder 70 with the corresponding angular range of repeatedly rotation of cutting knife swinging axle 9 in repeatedly rotate.The relative position that the ball-and- socket joint 92,92 that arranges at the two ends of drive link 91 is used for absorbing between swing arm 90 and the transmission arm 72 changes, and wherein, swing arm 90 swings around different axles with transmission arm 72.
The cutting knife hold-down arm 71 of transmission cylinder 70 lower ends is positioned at the outside of horn 3, and the leading section of cutting knife hold-down arm 71 is provided with the holder 71a to downward-extension.This holder 71a is fixed with erecting bed 74, but the knife rest 75 of being located at the bottom of this erecting bed 74 is fixed with the base portion of moving knife 7b as mentioned above.As mentioned above, but but moving knife 7b is maintained on the right side presser feet 52 of foot-pressing device 5 and reciprocating action.Cutting knife hold-down arm 71 swings according to the repeatedly rotation of transmission cylinder 70, thereby but makes moving knife 7b carry out reciprocating action.
By the helical spring 76 downward pressure knifes 75 of being located at erecting bed 74.But helical spring 76 will be installed on the moving knife 7b of knife rest 75 and push downwards, but to play the effect of pressing moving knife 7b in the described lead-in path inside of foot-pressing device 5 to dead knife 7a.But the moving knife 7b of reciprocating action slips with dead knife 7a under the state that is pushed by helical spring 76, cuts off reliably the edge of sewing.
In addition, but in Fig. 4 for the installment state of clear expression moving knife 7b, but installation direction that should moving knife 7b is different from the actual installation direction.But moving knife 7b and cutting knife swinging axle 9 extend abreast, are reciprocating action on the left and right directions in the direction of the horn 3 that is horizontally disposed with this cutting knife swinging axle 9.
Embedded and maintain columnar carrying sleeve 32 in transmission cylinder 70, compressor arm 31 is inserted and is worn this carrying sleeves 32.The lower end of compressor arm 31 is projected into the outside of horn 3, and this jag is equipped with Fig. 2 and foot-pressing device 5 shown in Figure 3.Compressor arm 31 moves up at upper and lower under the supporting of carrying sleeve 32, makes foot-pressing device 5 rise and descend thereby by the suitable operation of operating personnel compressor arm 31 is moved.
In Fig. 2,3, for the installment state of clear expression as the foot-pressing device 5 of characteristic of the present invention, the diagram of the structure member of the knife drive mechanisms such as the erecting bed 74 that omission is connected with the top of knife rest 75, cutting knife hold-down arm 71, helical spring 76.
In hold down gag of the present invention, be equipped with at the rear side according to the foot-pressing device 5 of installing with upper type and only put the swing that parts 6 are used for preventing foot-pressing device 5.Fig. 5 is the stereoscopic figure that only puts parts 6, and Fig. 6 is the exploded perspective view of only putting parts 6.
As shown in Figure 6, only put parts 6 and comprise base station 60, the 1st support unit 61 and the 2nd support unit 62.Base station 60 is the suitable flat parts of thickness, simultaneously is provided with the flange 63 of the fixedly usefulness that forms as one at it, and this flange 63 is outstanding from above-mentioned one side.Such base station 60 is fixing in the following manner as shown in Figure 2 to be extended with the leading section bottom surface along horn 3, namely, described flange 63 is embedded the recess 32 of the front end face of being located at horn 3, be fastened in screw that described recess 32 bottom surfaces be provided with passing 2 fixing holes 64 being formed on this flange 63,64 fixed-use bolt with connecting.In addition, described suction line 56 can be moved to above-mentioned position of readiness and realize that this fixes.
The another side of base station 60 (when being fixed in horn 3 downward face) is provided with supporting arm 65 integratedly continuously.Supporting arm 65 is from the oblique downward-extension of the rear side of base station 60, and bending is extended abreast with the end face with board 1 halfway, and as shown in Figure 3, when installing base station 60, supporting arm 65 is positioned at the rear side of foot-pressing device 5.The bottom surface of the base station 60 corresponding with the front side of supporting arm 65 and the bottom surface of being located at the parallel portion of supporting arm 65 base portions all are smooth seat surfaces, and these seat surfaces are separately installed with the 1st support unit 61 and the 2nd support unit 62 of only putting parts 6.
The 1st support unit 61 has holding flange 66, the 2 support units and has holding flange 67.Make holding flange 66 butts be located at the seat surface of base station 60, in 2 stop hole 66a, 66a that this holding flange 66 is provided with, penetrate respectively dogbolt (diagram is omitted), these dogbolts are fastened in the screw of being located at described seat surface, to fix the 1st support unit 61.Make holding flange 67 butts be located at the seat surface of supporting arm 65 base portions, in 2 stop hole 67a, 67a that this holding flange 67 is provided with, penetrate respectively dogbolt (diagram is omitted), these dogbolts are fastened among screw 65a, the 65a that is located at described seat surface, to fix the 2nd support unit.
Only put parts 6 by with base station 60, the 1st support unit 61 and the 2nd support unit 62 according to assembling integratedly formation such as upper type.As shown in Figure 3, be installed at base station 60 under the state of horn 3, the 1st support unit 61 is at the front right-hand arm shape parts that extend down.As shown in Figure 3, be installed at base station 60 under the state of horn 3, the 2nd support unit 62 is the arm shape parts that extend forwardly.
Such as Fig. 5 and shown in Figure 6, the front end that the front end of the 1st support unit 61 is provided with the 1st bearing surface 68, the 2 support units 62 is provided with the 2nd bearing surface 69.Fig. 5 only puts parts 6 from forward observation to be installed to the resulting figure of state on the horn 3, the 1st bearing surface 68 and the 2nd bearing surface 69 position of each interval on left and right directions become the inclined plane that in the opposite direction tilts so that front side (upstream side of the direction of feed of sewing) is open, and these bearing surfaces 68,69 are distinguished butt with each face of the rear side of being located at obliquely presser feet body 50 with the same tilt degree in same direction.
Pass through the 1st support unit 61 from left rear side, by the presser feet body 50 of the 2nd support unit 62 from right lateral side supporting foot-pressing device 5 according to the parts 6 of only putting of installing with upper type.As mentioned above, but when cutting off sewing by moving back and forth of moving knife 7b, foot-pressing device 5 swings at left and right directions because of the reaction force from this sewing, but can come this swing of establishment by the supporting of only putting parts 6 and providing from the left and right sides.Therefore, when making thick sewing, even in the large situation of the reaction force of this sewing, also can suppress the swing of foot-pressing device 5, thereby carry out reposefully piece.
In addition, only put the 1st support unit 61 of parts 6 and the 2nd support unit 62 and comprise the 1st bearing surface 68 and the 2nd bearing surface 69, these bearing surfaces and the same tilt face butt of being located at presser feet body 50 that tilt in the open mode in the place ahead.By above-mentioned butt, only put parts 6 not only can about suppress the swing of presser feet body 5 on two directions, can also suppress presser feet body 5 backward directions and swing, carry out more stably piece.The open angle of the 1st bearing surface 68 and the 2nd bearing surface 69 according to left and right directions and rear to the swing degree set get final product, be preferably 90 °.
Only put parts 6 and comprise base station 60, the 1st support unit 61 and the 2nd support unit 62.Adjust with respect to the position of base station 60 with regard to the 1st support unit 61 and the 2nd support unit 62 in the scope in gap that can be between stop hole 66a, 66a and stop hole 67a, 67a and each dogbolt.The purpose of implementing this position adjustment is to make between the 1st bearing surface 68 and the 2nd bearing surface 69 and the presser feet body 50 and is in suitable butt state, thereby the further swing of establishment foot-pressing device 5, therefore, the 1st bearing surface 68 and the 2nd bearing surface 69 that need not to require only to put parts 6 have high form accuracy and positional precision.
As shown in Figure 6, stop hole 66a, the 66a of flange 66 that is located at the fixedly usefulness of the 1st support unit 61 has the notch geometry at the margo dexter opening of described flange 66.Therefore, after the dogbolt that runs through in stop hole 66a, 66a relaxes, by the opposition side slip holding flange 66 to the opening of stop hole 66a, 66a, can be under the state that base station 60 is fixed with the 1st support unit 61 at the front withdrawing of horn 3 and disassemble, in addition, can the 1st support unit 61 be installed to the base station 60 that is fixed on the horn 3 with reverse order.Thus, by dismounting the 1st support unit 61, the operating personnel can dismounting of only putting parts 6 easy to implement.In addition, stop hole 67a, the 67a that is located at the holding flange 67 of the 2nd support unit 62 also can have the notch geometry at the cephalolateral margin opening of holding flange 67, to replace at stop hole 66a, the 66a of the holding flange 66 of the 1st support unit 61 breach being set.By such structure, the same with the 1st support unit 61, after the dogbolt that runs through in stop hole 67a, 67a relaxes, by the opposition side slip holding flange 67 to the opening of stop hole 67a, 67a, can under the state that base station 60 is fixed with the 2nd support unit 62 withdrawing and disassembling on the sewing direction of feed, in addition, can the 2nd support unit 62 be installed to the base station 60 that is fixed on the horn 3 with reverse order.In addition, stop hole 67a, the 67a of the holding flange 67 of stop hole 66a, the 66a of the flange 66 of the fixedly usefulness of the 1st support unit 61 and the 2nd support unit 62 also can have respectively notch geometry.
More than suitable embodiment of the present invention is illustrated, but above-mentioned embodiment just is used for the example of explanation, is not intended to scope of the present invention only is defined as above-mentioned embodiment.In the scope that does not break away from technical essential of the present invention, can also carry out various modifications and distortion.These are revised and equivalent transformation all falls into the present invention by in the appended claims restricted portion.
Claims (8)
1. the hold down gag of Sewing machines comprises:
Foot-pressing device is installed in the lower end of compressor arm, the sewing of clamping between this foot-pressing device and needle plate, and described compressor arm hangs down from the end of sewing machine arm, and described needle plate is located on the sewing machine table;
Cutter mechanism is arranged on the described foot-pressing device, but comprises moving knife and dead knife, but described moving knife move back and forth in the direction of intersecting with the direction of feed of described sewing, but described dead knife with should slip by moving knife; And
Only put parts, be installed on described sewing machine arm, from the rear side of described direction of feed and a part of butt of described foot-pressing device, but suppress described foot-pressing device to the rolling to each side of the moving direction of described moving knife,
The described parts of only putting comprise and the 1st bearing surface and the 2nd bearing surface of the different parts butt of described foot-pressing device that described the 1st bearing surface and described the 2nd bearing surface in the opposite direction tilt so that the upstream side of described direction of feed is open state.
2. the hold down gag of Sewing machines according to claim 1, wherein, the described parts of only putting comprise:
Base station is fixed on the end of described sewing machine arm;
The 1st support unit, position changeable more are installed on described base station, and comprise described the 1st bearing surface; And
The 2nd support unit, position changeable more are installed on described base station, and comprise described the 2nd bearing surface.
3. the hold down gag of Sewing machines according to claim 2, wherein, described the 1st support unit or described the 2nd support unit can operate and be installed in discretely on the described base station with described base station by end side direction or the withdrawing on the described direction of feed at described sewing machine arm.
4. the hold down gag of Sewing machines according to claim 3, wherein, described the 1st support unit and described the 2nd support unit have respectively stop hole, described base station has a plurality of respectively screws corresponding with described stop hole, thereby dogbolt is fastened in the described screw after by described stop hole described the 1st support unit and described the 2nd support unit are installed on the described base station.
5. the hold down gag of Sewing machines according to claim 4, wherein, the stop hole of described the 1st support unit and described the 2nd support unit has notch geometry.
6. the hold down gag of Sewing machines according to claim 2, wherein, described the 1st support unit and described the 2nd support unit have respectively stop hole, described base station has a plurality of respectively screws corresponding with described stop hole, thereby dogbolt is fastened in the described screw after by described stop hole described the 1st support unit and described the 2nd support unit are installed on the described base station.
7. the hold down gag of Sewing machines according to claim 6, wherein, the stop hole of described the 1st support unit and described the 2nd support unit has notch geometry.
8. the hold down gag of each the described Sewing machines in 7 according to claim 1, wherein, the different parts of described foot-pressing device is the gradient inclined plane identical with the gradient of described the 1st bearing surface and described the 2nd bearing surface.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-155796 | 2009-06-30 | ||
| JP2009155796A JP4919111B2 (en) | 2009-06-30 | 2009-06-30 | Sewing machine presser |
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| Publication Number | Publication Date |
|---|---|
| CN101935922A CN101935922A (en) | 2011-01-05 |
| CN101935922B true CN101935922B (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010221399 Active CN101935922B (en) | 2009-06-30 | 2010-06-30 | Pressing device of sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4919111B2 (en) |
| CN (1) | CN101935922B (en) |
| TW (1) | TWI395851B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103215759B (en) * | 2013-04-17 | 2015-03-11 | 拓卡奔马机电科技有限公司 | Patterned pen container sewing device |
| CN104250893B (en) * | 2014-09-25 | 2016-06-08 | 浙江美机缝纫机有限公司 | The side cutter sewing machine of tool cutting knife clutch |
| CN104358041B (en) * | 2014-11-04 | 2016-06-08 | 浙江川田缝纫机有限公司 | A kind of sewing-machine foot automatic shearing mechanism |
| CN105887367A (en) * | 2016-04-14 | 2016-08-24 | 苏州锦超服饰有限公司 | Controllable accurately-located automatic trimming mechanism for fabric |
| CN105926179A (en) * | 2016-06-20 | 2016-09-07 | 拓卡奔马机电科技有限公司 | Cloth compressing device |
| CN105926174B (en) * | 2016-07-06 | 2018-08-17 | 广东溢达纺织有限公司 | Automatic piece cutting system and method and its application |
| CN109629130B (en) * | 2019-01-18 | 2024-04-02 | 舒普智能技术股份有限公司 | Feeding mechanism of bottom-rail-attached sewing machine |
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| CN1458320A (en) * | 2002-05-13 | 2003-11-26 | 飞马缝纫机制造株式会社 | Fabric leading device for sewing machine |
| CN1458319A (en) * | 2002-05-14 | 2003-11-26 | 大和缝纫机制造株式会社 | Sewing machine pressor foot |
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| CN1458320A (en) * | 2002-05-13 | 2003-11-26 | 飞马缝纫机制造株式会社 | Fabric leading device for sewing machine |
| CN1458319A (en) * | 2002-05-14 | 2003-11-26 | 大和缝纫机制造株式会社 | Sewing machine pressor foot |
| CN2739213Y (en) * | 2004-07-02 | 2005-11-09 | 陈茂选 | Sewing machine synchronous presser foot mechanism |
| CN101058925A (en) * | 2006-04-21 | 2007-10-24 | 星锐缝纫机股份有限公司 | Cutter set for sewing machine |
| CN101210364A (en) * | 2006-12-28 | 2008-07-02 | 大和缝纫机制造株式会社 | Sewing machine presser foot |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2011010747A (en) | 2011-01-20 |
| TW201102469A (en) | 2011-01-16 |
| JP4919111B2 (en) | 2012-04-18 |
| TWI395851B (en) | 2013-05-11 |
| CN101935922A (en) | 2011-01-05 |
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