CN208632786U - The open material pressing device of industrial sewing machine - Google Patents

Abstract

A kind of open material pressing device of industrial sewing machine, including sliding rack, the rear end of sliding rack is rolled over upwards opens up and constitutes sliding rack folded plate, there is pair of sliding frame folded plate slider guide on the right side of sliding rack folded plate；The connection of the right end of a pair of of presser foot opener and presser foot, the front end of presser foot sets sewing work chamber；Preceding compress arm driving mechanism is located on the right side of the front end of presser foot, compress arm driving mechanism is located on the right side of the rear end of presser foot afterwards, the right end of preceding compress arm is connect with preceding compress arm driving mechanism, left end corresponds to sewing work chamber, the right end of compress arm is connect with rear compress arm driving mechanism afterwards, left end corresponds to sewing work chamber, feature: the front end of sliding rack disconnects and is configured to returning face plate, it is hinged with the front end of sliding rack right side on rear side of the right end of returning face plate, a pair of of presser foot opener is located on returning face plate, returning face plate turnover driving mechanism is connected between sliding rack folded plate and returning face plate.Cloth, is quickly introduced to the lower section of presser foot by the opening degree for increasing presser foot.

Description

The open material pressing device of industrial sewing machine

Technical field

The utility model belongs to sewing device technical field, and in particular to a kind of open binder dress of industrial sewing machine It sets.

Background technique

Open material pressing device above-mentioned can also claim open cloth-pressing device.As is known in the industry, industrial sewing machine is to clothes Decorations sewing when, need to push down up for the cloth of sewing, so as to cloth it is smooth and convenient for sew and ensure sewing quality.

The technical information of the material pressing device of industrial sewing machine can be seen in disclosed Chinese patent literature, such as The cloth-pressing device of CN101270536B(sewing machine), a kind of cloth-pressing device of pattern sewing machine of CN202482601U(), A kind of material pressing device for sewing machine of CN205603822U(), CN107227562A(cloth-pressing device and with cloth-pressing device Sewing machine) and a kind of press material structure of sewing machine of CN107237054A(), etc..

By to the reading for being not limited to patent document exemplified above: when presser foot has been held high, then an opening is formed, Cloth to be sewed is introduced from the opening, and then presser foot replys and pushes down cloth to be sewed, for industrial sewing machine Sewing.Leading to disadvantage existing for this structure type is: due to presser foot to have held high degree extremely limited, usually in 3mm or so, then It is not able to satisfy sewer and cloth is sent into crisply in aforementioned opening, influence operating efficiency.The technical problem for a long time with Industry and it is expected that industrial sewing machine complete system plant or industrial sewing mechanism member production firm are resolved to suffer from sewing, but so far It is not broken through until the present.In view of this, the applicant has made lasting and beneficial design repeatedly, forms finally described below Technical solution and it is proved to be practicable through computer simulation test in the case where taking secrecy provision.

Summary of the invention

The task of the utility model is to provide a kind of opening degree for helping to significantly increase presser foot and using makes to stitch Cloth is quickly introduced the open material pressing device of the industrial sewing machine of the lower section of presser foot by work of threading.

What the task of the utility model was performed by, a kind of open material pressing device of industrial sewing machine, including one Sliding rack, rolls over exhibition in the rear end of the sliding rack upwards and constituting has a sliding rack folded plate, after the sliding rack folded plate and sliding rack End face is vertical and pair of sliding frame folded plate slider guide is fixed on the right side of sliding rack folded plate, this is to sliding rack folded plate slider guide It is slidably matched with slider guide guide rail；One presser foot and a pair of of presser foot opener, a pair of of presser foot opener and presser foot Right end connection, and offer a sewing work chamber in the front end of presser foot；Compress arm drives after compress arm driving mechanism, one before one Compress arm after compress arm and one before motivation structure, one, preceding compress arm driving mechanism are arranged on the right side of the front end of presser foot, rear compress arm Driving mechanism correspond to preceding compress arm driving mechanism rear position presser foot is set rear end on the right side of, preceding compress arm Right end is connect with preceding compress arm driving mechanism, and the left end of preceding compress arm corresponds to the sewing work with horizontal boom state Chamber, the right end of rear compress arm are connect with rear compress arm driving mechanism, and then the left end of compress arm is corresponded to horizontal boom state The sewing work chamber and parallel in the position and preceding compress arm for corresponding to the rear side of preceding compress arm, is characterized in that the cunning The front end of moving frame disconnects and is configured to a returning face plate, hinged with the front end of sliding rack right side on rear side of the right end of the returning face plate, described A pair of of presser foot opener be arranged on the returning face plate, connected between the sliding rack folded plate and the returning face plate There is a returning face plate turnover driving mechanism for making returning face plate be flipped up and drive presser foot to be flipped up by returning face plate.

In a specific embodiment of the utility model, a pair of of presser foot opener respectively includes presser foot Open acting cylinder base, presser foot opens acting cylinder, presser foot pressure arm, pressure arm hinged seat and pressure arm attachment base, presser foot unlatching work It is fixed with cylinder seat and the rear side of the returning face plate, presser foot opens acting cylinder and is hinged on pressure by presser foot unlatching acting cylinder pin shaft Fabric swatch is opened in acting cylinder base, and the presser foot which opens acting cylinder opens acting cylinder towards upper and open in presser foot The end for opening acting cylinder is fixed with a presser foot and opens acting cylinder connector, and the rear end of presser foot pressure arm passes through presser foot pressure Hinging pin shaft and presser foot unlatching acting cylinder connector are hinged after arm, and the middle part of presser foot pressure arm passes through in presser foot pressure arm Between hinging pin shaft and pressure arm hinged seat it is hinged, and the pressure arm hinged seat correspond to presser foot open acting cylinder base front position It sets and is fixed with returning face plate, the front end of presser foot pressure arm is fixedly connected by presser foot pressure arm attachment screw with pressure arm attachment base, and Pressure arm attachment base and the rear end of the presser foot are fixed towards upper side.

In another specific embodiment of the utility model, it is cylinder that the presser foot, which opens acting cylinder,.

In another specific embodiment of the utility model, the structure of the rear compress arm driving mechanism is and institute The structure for the preceding compress arm driving mechanism stated is identical, which includes that preceding compress arm driving acting cylinder is hinged Seat, preceding compress arm driving acting cylinder, preceding compress arm pressing plate, preceding compress arm pressing plate hinged seat and preceding compress arm fixed connecting plate, it is preceding Compress arm driving acting cylinder hinged seat is fixed on the right side of the front end of the presser foot, and the rear end of preceding compress arm driving acting cylinder passes through Preceding compress arm driving acting cylinder hinge and preceding compress arm driving acting cylinder hinged seat are hinged, before the preceding compress arm driving acting cylinder Compress arm driving acting cylinder column is towards preceding and compress arm drives before the end of the preceding compress arm driving acting cylinder column is fixed with one It is cut with scissors by preceding compress arm pressing plate pin shaft and preceding compress arm pressing plate hinged seat the front end of dynamic acting cylinder connector, preceding compress arm pressing plate It connects, compress arm pressing plate hinged ear before being fixed with one on the right side of preceding compress arm pressing plate, which passes through hinge Lug pin shaft and the preceding compress arm driving acting cylinder column connector are hinged, and preceding compress arm pressing plate hinged seat and presser foot are solid Fixed, the right end of preceding compress arm fixed connecting plate is fixedly connected with the rear end of plate bolt Yu the preceding compress arm pressing plate by preceding compress arm Fixed, the right end of the preceding compress arm is fixed by preceding compress arm fixing screws and the left end of preceding compress arm fixed connecting plate.

In another specific embodiment of the utility model, the preceding compress arm driving acting cylinder is cylinder.

In the utility model there are one in specific embodiment, side of the preceding compress arm under and Region corresponding to the sewing work chamber, which is constituted, preceding compress arm tooth, side of the compress arm under and equally after described The compress arm tooth after the region for corresponding to the sewing work chamber constitutes and has.

More and in a specific embodiment, pass through returning face plate on rear side of the right end of the returning face plate in the utility model Hinge fixing screws are fixed with a returning face plate hinge, the sliding rack front end and correspond to returning face plate hinge position Be fixed with a pair of of hinge axle bed, this to being equipped with a hinge axis on hinge axle bed, the hinge axis and the returning face plate hinge are cut with scissors It connects.

In a specific embodiment in turn of the utility model, upwardly extended on the upper edge of the sliding rack folded plate There is a returning face plate inverting action cylinder attachment base, the returning face plate turnover driving mechanism includes that returning face plate inverting action cylinder is hinged Seat, returning face plate inverting action cylinder and returning face plate inverting action cylinder column attachment base, returning face plate inverting action cylinder hinged seat and described The top of returning face plate inverting action cylinder attachment base is fixed, returning face plate inverting action cylinder hinged seat and the returning face plate inverting action The top of cylinder attachment base is fixed, and the tail portion of returning face plate inverting action cylinder is cut with scissors by pin shaft and returning face plate inverting action cylinder hinged seat It connects, the returning face plate inverting action cylinder column of returning face plate inverting action cylinder is turned over towards returning face plate inverting action cylinder column attachment base and at this The end of rotating plate inverting action cylinder column is fixed with a returning face plate inverting action cylinder column connector, which connects Connector is connect by connecting pin with returning face plate inverting action cylinder column attachment base, and the returning face plate inverting action cylinder column attachment base passes through Attachment base fixing screws are fixed with the returning face plate towards upper side.

The utility model again more and in a specific embodiment, the returning face plate inverting action cylinder be cylinder.

Again and then in a specific embodiment, sliding rack is offered in the rear end of the sliding rack in the utility model Weight saving hole；Sliding rack folded plate weight saving hole is offered on the sliding rack folded plate, in the rear end of the presser foot It offers presser foot deal and mitigates chamber.

Technical solution provided by the utility model is configured to a returning face plate due to disconnecting the front end of sliding rack, this is turned over It is hinged with the front end of sliding rack right side on rear side of the right end of rotating plate, and due to being connected to a use between sliding rack folded plate and returning face plate In the returning face plate turnover driving mechanism for being flipped up returning face plate and driving presser foot to be flipped up by returning face plate, thus can be significant The opening degree for increasing presser foot, facilitates the lower section that cloth is quickly introduced to presser foot by sewer.

Detailed description of the invention

Fig. 1 is the embodiments of the present invention structure chart.

Fig. 2 is presser foot shown in FIG. 1 in schematic diagram when being flipped up.

Specific embodiment

In order to which the technical essence of the utility model and beneficial effect is more clearly understood, applicant is below with reality The mode for applying example elaborates, but is not limitation to the utility model, any foundation to the description of embodiment The made only formal but not substantive equivalent transformation of the utility model design is regarded as the utility model Technical solution scope.

The concept of all directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description For location status shown in FIG. 1, thus it cannot be understood as to the special of technical solution provided by the utility model It limits.

Referring to Figure 1, show a sliding rack 1, the rear end of the sliding rack 1 upwards roll over exhibition and constitute have a sliding rack folding Plate 11, the sliding rack folded plate 11 is vertical with the rear end face of sliding rack 1 and is rolled on the right side of sliding rack folded plate 11 by sliding rack Plate slider guide screw 1112 is fixed with pair of sliding frame folded plate slider guide 111, this is to sliding rack folded plate slider guide 111 and slider guide Guide rail 1111 is slidably matched；Show a presser foot 2 and a pair of of presser foot opener 3, a pair of of presser foot opener 3 and pressure The right end of fabric swatch 2 connects, and offers a sewing work chamber 21 in the front end of presser foot 2；Compress arm driving machine before showing one Compress arm 7, preceding compress arm driving mechanism 4 are arranged in compress after compress arm 6 and one before compress arm driving mechanism 5, one after structure 4, one On the right side of the front end of plate 2, rear compress arm driving mechanism 5 is being pressed in the position setting for corresponding to the rear of preceding compress arm driving mechanism 4 On the right side of the rear end of fabric swatch 2, the right end of preceding compress arm 6 is connect with preceding compress arm driving mechanism 4, and the left end Yi Shui of preceding compress arm 6 Flat cantilever position corresponds to sewing work chamber 21 above-mentioned, and the right end of rear compress arm 7 is connect with rear compress arm driving mechanism 5, and The left end of compress arm 7 corresponds to sewing work chamber 21 above-mentioned with horizontal boom state and is corresponding to preceding compress arm 6 afterwards The position of rear side and preceding compress arm 6 are parallel.

Technical essential as technical solution provided by the utility model: the front end of aforementioned sliding rack 1 disconnects and is configured to One returning face plate 12, that is to say, that the front end of sliding rack 1 is disconnected and isolates a returning face plate 12, that is, the part disconnected is as overturning Plate 12, the right end rear side of the returning face plate 12 and the front end right side of sliding rack 1 are hinged, and a pair of presser foot opener 3 above-mentioned is set It sets on returning face plate 12 and is connect with the back edge position of presser foot 2.In aforementioned sliding rack folded plate 11 and aforementioned returning face plate One is connected between 12 for making returning face plate 12 be flipped up and be turned over by the returning face plate that returning face plate 12 drives presser foot 2 to be flipped up Turn driving mechanism 8.

Continue to see that Fig. 1, a pair of presser foot opener 3 above-mentioned respectively include that presser foot opens acting cylinder base 31, presser foot Acting cylinder 32, presser foot pressure arm 33, pressure arm hinged seat 34 and pressure arm attachment base 35 are opened, it is preferred that presser foot opens acting cylinder base 31 It is fixed with the rear side of welding manner and aforementioned returning face plate 12, presser foot opens acting cylinder 32 and opens acting cylinder pin shaft by presser foot 322, which are hinged on presser foot, opens in acting cylinder base 31, and the presser foot which opens acting cylinder 32 opens 321 court of acting cylinder Upwards and a presser foot is fixed in the end that presser foot opens acting cylinder 321 open acting cylinder connector 3211, pressure The rear end of fabric swatch pressure arm 33 passes through hinging pin shaft 331 and the presser foot unlatching hinge of acting cylinder connector 3211 after presser foot pressure arm It connects, and the middle part of presser foot pressure arm 33 is hinged by hinging pin shaft 332 among presser foot pressure arm and pressure arm hinged seat 34, and the pressure Arm hinged seat 34 correspond to presser foot open acting cylinder base 31 front position by pressure arm hinged seat fixing screws 341 with Returning face plate 12 is fixed, and the front end of presser foot pressure arm 33 connects by the way that presser foot pressure arm attachment screw 333 and pressure arm attachment base 35 are fixed Connect, and pressure arm attachment base 35 by the back edge position of pressure arm attachment base fixing screws 351 and aforementioned presser foot 2 towards upper Side is fixed.

In the present embodiment, it is cylinder that presser foot above-mentioned, which opens acting cylinder 32, however if practical new for this is evaded Type purpose replaces cylinder using oil cylinder, then should be considered as the technological means being about to.

Continue to see Fig. 1, since the structure of rear compress arm driving mechanism 5 above-mentioned is and preceding compress arm driving mechanism above-mentioned 4 structure is identical, thus applicant below only elaborates to preceding compress arm driving mechanism 4, the preceding compress arm driving Mechanism 4 includes preceding compress arm driving acting cylinder hinged seat 41, preceding compress arm driving acting cylinder 42, preceding compress arm pressing plate 43, preceding pressure Cloth arm pressing plate hinged seat 44 and preceding compress arm fixed connecting plate 45, preceding compress arm driving acting cylinder hinged seat 41 are preferably selected with fastening Part such as rivet or screw are fixed on the right side of the front end of aforementioned presser foot 2, and the rear end of preceding compress arm driving acting cylinder 42 passes through preceding pressure Cloth arm driving acting cylinder hinge 422 and preceding compress arm driving acting cylinder hinged seat 41 are hinged, the preceding compress arm driving acting cylinder 42 Preceding compress arm driving acting cylinder column 421 towards front and in end (the i.e. front end of the preceding compress arm driving acting cylinder column 421 End) be fixed with one before compress arm driving acting cylinder column connector 4211, the front end of preceding compress arm pressing plate 43 passes through preceding compress arm Pressing plate pin shaft 431 and preceding compress arm pressing plate hinged seat 44 are hinged, the compress arm before the right side of preceding compress arm pressing plate 43 is fixed with one Pressing plate hinged ear 432, the preceding compress arm pressing plate hinged ear 432 are made by hinged ear pin shaft 4321 and preceding compress arm driving above-mentioned Hinged with cylinder column connector 4211, preceding compress arm pressing plate hinged seat 44 and presser foot 2 are fixed, preceding compress arm fixed connecting plate 45 Right end is fixedly connected with plate bolt 451 by preceding compress arm and the rear end of aforementioned preceding compress arm pressing plate 43 is fixed, aforementioned preceding compress arm 6 Right end fixed by preceding compress arm fixing screws 62 and the left end of preceding compress arm fixed connecting plate 45.

In the present embodiment, preceding compress arm driving acting cylinder 42 above-mentioned is cylinder, is specifically made as opened to presser foot With the explanation of cylinder 32.

As shown in Figure 1, in side of the aforementioned preceding compress arm 6 under and in the area for corresponding to aforementioned sewing work chamber 21 Domain, which is constituted, preceding compress arm tooth 61, side of the compress arm 7 under and equally corresponding to aforementioned sewing work after aforementioned The region of chamber 21, which is constituted, rear compress arm tooth 71.

Continue to see Fig. 1, is fixed with one by returning face plate hinge fixing screws 1211 on rear side of the right end of aforementioned returning face plate 12 Returning face plate hinge 121, aforementioned sliding rack 1 front end and correspond to returning face plate hinge 121 position be fixed with a pair of of hinge Chain axle bed 13, this to being equipped with a hinge axis 131 on hinge axle bed 13, the hinge axis 131 and aforementioned returning face plate hinge 121 are cut with scissors It connects.It follows that from the returning face plate 12 that the front end of sliding rack 1 is isolated only on rear side of its right end by returning face plate hinge 121 with A pair of of hinge axle bed 13 hinged (passing through hinge axis 131), so that the big flip angle for presser foot 2 creates condition.

Continue to see Fig. 1, has upwardly extended returning face plate inverting action cylinder connection on the upper edge of sliding rack folded plate 11 above-mentioned Seat 112, returning face plate turnover driving mechanism 8 above-mentioned include returning face plate inverting action cylinder hinged seat 81, returning face plate inverting action cylinder 82 and returning face plate inverting action cylinder column attachment base 83, returning face plate inverting action cylinder hinged seat 81 passes through hinged seat fixing screws 811 Fixed with the top of returning face plate inverting action cylinder attachment base 112 above-mentioned, returning face plate inverting action cylinder hinged seat 81 with it is above-mentioned The top of returning face plate inverting action cylinder attachment base 112 is fixed, tail portion, that is, diagram state rear end of returning face plate inverting action cylinder 82 Hinged, the returning face plate inverting action of returning face plate inverting action cylinder 82 by pin shaft 822 and returning face plate inverting action cylinder hinged seat 81 Cylinder column 821 is towards returning face plate inverting action cylinder column attachment base 83 and in the end of the returning face plate inverting action cylinder column 821 (diagram Front end) be fixed with a returning face plate inverting action cylinder column connector 8211, the returning face plate inverting action cylinder column connector 8211 is logical Connecting pin 82111 is crossed to connect with returning face plate inverting action cylinder column attachment base 83, and the returning face plate inverting action cylinder column attachment base 83 It is fixed with aforementioned returning face plate 12 towards upper side by attachment base fixing screws 831.

In the present embodiment, returning face plate inverting action cylinder 82 above-mentioned is cylinder, specifically as acted on presser foot unlatching The explanation of cylinder 32.

Preferably, sliding rack weight saving hole 14 is offered in the rear end of aforementioned sliding rack 1；In sliding rack folded plate above-mentioned Sliding rack folded plate weight saving hole 113 is offered on 11, is offered presser foot deal in the rear end of aforementioned presser foot 2 and is mitigated chamber 22。

Continue to see Fig. 1 and combine Fig. 2, acting cylinder 32 is opened by the presser foot of a pair of of presser foot opener 3 and is worked, is pressed Fabric swatch opens acting cylinder 321 to cylinder body intrinsic displacement (i.e. to bottom offset), and the rear end of presser foot pressure arm 33 is driven to dip down pendulum, and The front end of presser foot pressure arm 33 is upturned and (holds high), since the front end of presser foot pressure arm 33 is connect with pressure arm attachment base 35, again Since pressure arm attachment base 35 and the back edge position of presser foot 2 are fixed towards upper side, thus when presser foot pressure arm 33 The corresponding uplink of presser foot 2 is driven when front end is upturned, and then returning face plate inverting action cylinder 82 works, returning face plate inverting action Cylinder column 821 is connected to cylinder body intrinsic displacement, by returning face plate inverting action cylinder column connector 8211 by returning face plate inverting action cylinder column 83 drive returning face plate 12 of seat is that the centre of gyration is flipped up and presser foot 2 is also formed therewith being flipped up with hinge axis 131 Wide-angle open state shown in Fig. 2.

In the case where presser foot 2 is in wide-angle open state, cloth can easily and quickly be led to presser foot 2 by sewer Lower section, then first worked by returning face plate inverting action cylinder 82 by aforementioned reverse order, make returning face plate inverting action cylinder column 821 to It being stretched outside cylinder body, acting cylinder 32 is and then opened by presser foot and is worked, presser foot is opened acting cylinder 321 and is stretched to outside cylinder body, To make presser foot 2 be restored to compressing in the horizontality on cloth.And then, the synchronous work of forward and backward compress arm driving mechanism 4,5 Make, for former compress arm driving mechanism 4, before being made from preceding compress arm driving acting cylinder 42 compress arm driving acting cylinder column 421 to Cylinder body intrinsic displacement, compress arm before being driven by preceding compress arm acting cylinder connector 4211 by preceding compress arm pressing plate hinged ear 432 The rear end of pressing plate 43 has a down dip to horizontality, since the right end of preceding compress arm fixed connecting plate 45 and preceding compress arm pressing plate 43 are solid It is fixed, and since the right end of preceding compress arm 6 and preceding compress arm fixed connecting plate 45 are fixed, thus preceding compress arm pressing plate 43 drives preceding pressure Cloth arm fixed connecting plate 45 simultaneously drives preceding compress arm 6 to be in horizontality by preceding compress arm fixed connecting plate 45, thus by preceding pressure Cloth arm 6 pushes down the sack cloth of cloth such as dress ornament.

Fig. 2 is referred to, according to the signal of Fig. 2, (see, for example, Chinese patent belonging to well-known technique ZL201520997256.4 sliding rack 1 is follow by sliding block 20 under the action of the cylinder block 9 of cylinder) and moves left and right guide rail 10 It is mobile, and the movement of guide rail bar 50 is follow by sliding shoe 40 by front and back driving mechanism 30, to make sewing work chamber 21 above-mentioned The sewing workstation for corresponding to sewing machine 60, is sewed by sewing machine.Make sewing work by aforementioned inverse process after the completion of sewing Chamber 21 leaves sewing workstation, repeatedly.

In conclusion technical solution provided by the utility model compensates for the shortcoming in prior art, favorably accomplish Invention task has faithfully fulfilled the technical effect that applicant refers in technical effect column above.

Claims (10)

1. a kind of open material pressing device of industrial sewing machine, including a sliding rack (1), upward in the rear end of the sliding rack (1) Folding is opened up and constituting has a sliding rack folded plate (11), and the sliding rack folded plate (11) is vertical with the rear end face of sliding rack (1) and in cunning Pair of sliding frame folded plate slider guide (111) is fixed on the right side of moving frame folded plate (11), this to sliding rack folded plate slider guide (111) with Slider guide guide rail (1111) is slidably matched；One presser foot (2) and a pair of of presser foot opener (3), a pair of of presser foot open machine Structure (3) is connect with the right end of presser foot (2), and offers a sewing work chamber (21) in the front end of presser foot (2)；Compress before one Compress arm (6) He Yihou compress arm (7) before compress arm driving mechanism (5), one after arm driving mechanism (4), one, preceding compress arm driving Mechanism (4) is arranged on the right side of the front end of presser foot (2), and rear compress arm driving mechanism (5) is corresponding to preceding compress arm driving mechanism (4) the position setting at rear is on the right side of the rear end of presser foot (2), the right end of preceding compress arm (6) and preceding compress arm driving mechanism (4) it connects, and the left end of preceding compress arm (6) corresponds to the sewing work chamber (21), rear compress arm with horizontal boom state (7) right end is connect with rear compress arm driving mechanism (5), and then the left end of compress arm (7) corresponds to institute with horizontal boom state The sewing work chamber (21) stated and the position and preceding compress arm (6) for corresponding to the rear side of preceding compress arm (6) parallel, feature It is that the front end of the sliding rack (1) disconnects and is configured to a returning face plate (12), on rear side of the right end of the returning face plate (12) and slides Hinged on the right side of the front end of frame (1), a pair of of presser foot opener (3) is arranged on the returning face plate (12), in institute It states and is connected with one between sliding rack folded plate (11) and the returning face plate (12) for being flipped up returning face plate (12) and by overturning The returning face plate turnover driving mechanism (8) that plate (12) drives presser foot (2) to be flipped up.

2. the open material pressing device of industrial sewing machine according to claim 1, it is characterised in that a pair of of compress Plate opener (3) respectively includes that presser foot opens acting cylinder base (31), presser foot opens acting cylinder (32), presser foot pressure arm (33), pressure arm hinged seat (34) and pressure arm attachment base (35), presser foot open acting cylinder base (31) and the returning face plate (12) Rear side is fixed, and presser foot, which opens acting cylinder (32) and opens acting cylinder pin shaft (322) by presser foot and be hinged on presser foot and open, to be made With on cylinder seat (31), the presser foot which opens acting cylinder (32) opens acting cylinder (321) towards upper and in compress The end that plate opens acting cylinder (321) is fixed with a presser foot and opens acting cylinder connector (3211), presser foot pressure arm (33) acting cylinder connector (3211) are opened hingedly by hinging pin shaft (331) after presser foot pressure arm and presser foot in rear end, And the middle part of presser foot pressure arm (33) passes through presser foot pressure arm centre hinging pin shaft (332) and pressure arm hinged seat (34) hingedly, and The pressure arm hinged seat (34) is fixed with returning face plate (12) in the position for corresponding to the front that presser foot opens acting cylinder base (31), presses The front end of fabric swatch pressure arm (33) is fixedly connected by presser foot pressure arm attachment screw (333) with pressure arm attachment base (35), and pressure arm Attachment base (35) and the rear end of the presser foot (2) are fixed towards upper side.

3. the open material pressing device of industrial sewing machine according to claim 2, it is characterised in that the presser foot is opened Opening acting cylinder (32) is cylinder.

4. the open material pressing device of industrial sewing machine according to claim 1, it is characterised in that the rear compress arm The structure of driving mechanism (5) is, the preceding compress arm driving mechanism identical with the structure of preceding compress arm driving mechanism (4) (4) include preceding compress arm driving acting cylinder hinged seat (41), preceding compress arm driving acting cylinder (42), preceding compress arm pressing plate (43), Preceding compress arm pressing plate hinged seat (44) and preceding compress arm fixed connecting plate (45), preceding compress arm driving acting cylinder hinged seat (41) are solid It is scheduled on the right side of the front end of the presser foot (2), the rear end of preceding compress arm driving acting cylinder (42) passes through preceding compress arm driving effect Cylinder hinge (422) and preceding compress arm driving acting cylinder hinged seat (41) hingedly, the preceding pressure of the preceding compress arm driving acting cylinder (42) Cloth arm driving acting cylinder column (421) is before and before the end of the preceding compress arm driving acting cylinder column (421) is fixed with one The front end of compress arm driving acting cylinder column connector (4211), preceding compress arm pressing plate (43) passes through preceding compress arm pressing plate pin shaft (431) hingedly with preceding compress arm pressing plate hinged seat (44), compress arm pressure before being fixed with one on the right side of preceding compress arm pressing plate (43) Plate hinged ear (432), the preceding compress arm pressing plate hinged ear (432) are driven by hinged ear pin shaft (4321) and the preceding compress arm Dynamic acting cylinder connector (4211) hingedly, preceding compress arm pressing plate hinged seat (44) and presser foot (2) are fixed, and preceding compress arm is fixed The right end of connecting plate (45) is solid by the rear end that preceding compress arm is fixedly connected with plate bolt (451) and the preceding compress arm pressing plate (43) It is fixed, the left side that the right end of the preceding compress arm (6) passes through preceding compress arm fixing screws (62) and preceding compress arm fixed connecting plate (45) End is fixed.

5. the open material pressing device of industrial sewing machine according to claim 4, it is characterised in that the preceding compress arm Driving acting cylinder (42) is cylinder.

6. the open material pressing device of industrial sewing machine according to claim 1, it is characterised in that in the preceding compress arm (6) side under and correspond to the sewing work chamber (21) region constitute have preceding compress arm tooth (61), in institute Stating side of the rear compress arm (7) under and equally constituting in the region for corresponding to the sewing work chamber (21) has rear compress Arm tooth (71).

7. the open material pressing device of industrial sewing machine according to claim 1, it is characterised in that in the returning face plate (12) it is fixed with a returning face plate hinge (121) by returning face plate hinge fixing screws (1211) on rear side of right end, in the sliding The front end of frame (1) and correspond to returning face plate hinge (121) position be fixed with a pair of of hinge axle bed (13), this to hinge A hinge axis (131) are equipped on axle bed (13), the hinge axis (131) and the returning face plate hinge (121) are hinged.

8. the open material pressing device of industrial sewing machine according to claim 1, it is characterised in that in the sliding rack The upper edge of folded plate (11) has upwardly extended a returning face plate inverting action cylinder attachment base (112), and the returning face plate overturns driving machine Structure (8) includes returning face plate inverting action cylinder hinged seat (81), returning face plate inverting action cylinder (82) and returning face plate inverting action cylinder column Attachment base (83), the top of returning face plate inverting action cylinder hinged seat (81) and the returning face plate inverting action cylinder attachment base (112) Portion is fixed, and the top of returning face plate inverting action cylinder hinged seat (81) and the returning face plate inverting action cylinder attachment base (112) is solid Fixed, the tail portion of returning face plate inverting action cylinder (82) passes through pin shaft (822) and returning face plate inverting action cylinder hinged seat (81) hingedly, turns over The returning face plate inverting action cylinder column (821) of rotating plate inverting action cylinder (82) towards returning face plate inverting action cylinder column attachment base (83) simultaneously And it is fixed with a returning face plate inverting action cylinder column connector (8211) in the end of the returning face plate inverting action cylinder column (821), it should Returning face plate inverting action cylinder column connector (8211) passes through connecting pin (82111) and returning face plate inverting action cylinder column attachment base (83) Connection, and the returning face plate inverting action cylinder column attachment base (83) passes through attachment base fixing screws (831) and the returning face plate (12) It is fixed towards upper side.

9. the open material pressing device of industrial sewing machine according to claim 8, it is characterised in that the returning face plate turns over Turning acting cylinder (82) is cylinder.

10. the open material pressing device of industrial sewing machine according to claim 1, it is characterised in that in the sliding rack (1) rear end offers sliding rack weight saving hole (14)；Sliding rack folded plate is offered on the sliding rack folded plate (11) Weight saving hole (113) offers presser foot deal in the rear end of the presser foot (2) and mitigates chamber (22).