CN210916535U

CN210916535U - Automatic presser foot device of beating in succession of oblique button hole of button head buttonhole maker

Info

Publication number: CN210916535U
Application number: CN201921264820.6U
Authority: CN
Inventors: 李红民
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-07-03
Anticipated expiration: 2029-08-06

Abstract

The utility model provides an automatic presser foot device that links of oblique buttonhole of button head buttonhole machine, includes mounting base, step motor mount pad, first step motor, gear, driving rack, first guide rail, first slide, left mount pad, left presser foot device, connecting plate, second guide rail, second slide, right mount pad, right presser foot device. The utility model discloses a take-up base, including installation base, gear rack, connecting plate other end fixed mounting, installation base left side front side is equipped with the step motor mount pad, is equipped with first step motor on it, and first step motor connects the gear, and the gear below is equipped with the driving rack, and the driving rack side is equipped with first guide rail, and first guide rail top is by supreme first slide, left mount pad, the left presser foot device of being equipped with down, left side mount pad right-hand member fixed connection connecting plate one end, connecting plate other end fixed mounting are on right mount pad, and right mount pad below is equipped with second slide, second guide rail from top to bottom, be equipped with right presser foot device on the mount pad.

Description

Automatic presser foot device of beating in succession of oblique button hole of button head buttonhole maker

Technical Field

The utility model relates to an automatic device of beating even of button hole of button head buttonhole maker especially relates to an automatic presser foot device of beating even of oblique button hole of button head buttonhole maker.

Background

The cloth is as the comparatively common material of making the clothes, along with the reinforcing of fashion trend, more and more manufacturers design the cloth into the style that has the button, for cooperating the button style, the manufacturer must make the button hole on the cloth simultaneously, the button hole of various button head buttonhole machines on the market is even to be beaten the device and all needs to cooperate the machine of certain fixed model just can make the oblique eye and detain, belong to disjunctor formula structure, the installation is dismantled inconveniently, and can not realize the automatic function of beating of oblique button hole, most machines on the market still need the manual work to punch simultaneously, and the manual work is punched and just need be marked a line on the cloth, can cause quality and the environmental protection problem behind the finished product of cloth, can't satisfy manufacturer's production needs. At present, the oblique buttonhole device of this kind of button head buttonhole maker on the market can't satisfy production development demand, along with economic development, urgently need this kind of novel device.

Disclosure of Invention

An object of the utility model is to provide a swift high-efficient, produce oblique button hole to cloth processing, and adopt split type structure simple to operate, do not divide the machine model, can beat the automatic presser foot device of even of oblique button hole of the button head buttonhole machine of oblique button hole, including left side installation base, step motor mount pad, first step motor, gear, driving rack, first guide rail, first slide, left mount pad, left presser foot device, connecting plate, right mount pad, second slide, second guide rail, right side installation base, right presser foot device.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the left installation base is a strip metal plate, the left installation base is formed at one time through a die, a stepping motor installation seat is arranged on the left front side of the left installation base 1 and is of an L-shaped structure, two parallel oval through holes are formed in the horizontal plane of the stepping motor installation seat, a first round through hole is formed in the vertical plane of the stepping motor installation seat, the stepping motor installation seat penetrates through the two parallel oval through holes in the horizontal plane through bolts and is fixed on the left installation base, a first stepping motor is fixedly installed on the vertical plane of the stepping motor installation seat, a main shaft is arranged on the first stepping motor, the main shaft on the first stepping motor penetrates through the first round through hole and is fixed on the vertical plane of the stepping motor installation seat through bolts, a gear is connected on the main shaft, a transmission rack is arranged below the gear, and the transmission rack is of a sawtooth long strip-shaped structure, the length of the transmission rack is consistent with the distance between the first sensor seat and the second sensor seat, the transmission rack is meshed with the gear for transmission, the first sensor seat and the second sensor seat are respectively and fixedly arranged at two ends of the side surface of the transmission rack close to the step motor mounting seat, the first sensor seat and the second sensor seat are both fixed on the left mounting seat through oval through holes through which bolts pass, the first sensor seat is positioned at the left side of the second sensor seat, the first sensor is embedded on the first sensor seat, the second sensor is embedded on the second sensor seat, the side surface of the transmission rack far away from the step motor mounting seat is provided with a first guide rail which is arranged in parallel with the transmission rack, the first guide rail is fixedly arranged on the left mounting seat through bolts, the first guide rail is in a long strip shape, the first guide rail is provided with two slidable rectangular first slide seats, the two first slide seats are fixedly arranged with the left mounting seat, the height of left side mount pad and the highly uniform and parallel arrangement of driving rack, the meshing transmission of gear and driving rack can not be interfered to the height of left side mount pad, and left side mount pad passes through bolt fixed connection with driving rack, and left side mount pad bottom is the rectangle metal sheet, and left side mount pad right rear end is for taking the circular through-hole of second and vertical square metal sheet.

Further, a left presser foot device is arranged on the left mounting seat and comprises a second stepping motor, a guide rail mounting seat A, a left presser foot mounting seat, a left presser foot cylinder and a left presser foot plate, the second stepping motor is fixedly arranged at the front end of the left mounting seat, a lead screw A is arranged on the second stepping motor, the lead screw A of the second stepping motor penetrates through a second circular through hole in the left mounting seat and is fixed at the rear right end of the left mounting seat through a bolt, the guide rail mounting seat A is fixedly arranged on the left side surface of the rear right end of the left mounting seat, a left guide rail is fixedly arranged on the right side surface of the guide rail mounting seat A, a left sliding block is arranged on the left guide rail, a third inductor seat is fixedly arranged on the rear end of the upper end surface of the guide rail mounting seat A, a third inductor is embedded on the third inductor seat, the lead screw A on the second stepping motor penetrates through the left presser foot mounting seat, and the cross section of the left presser foot mounting, the left presser foot mounting seat is fixedly connected with a left sliding block through a bolt, a screw rod nut A is fixedly mounted at the position of the left presser foot mounting seat corresponding to a screw rod A, the screw rod nut A and the screw rod A are sleeved to form a screw rod nut pair A, a left presser foot cylinder is fixedly mounted on the side surface of the left presser foot mounting seat corresponding to the screw rod nut A, a left presser foot guide rail is vertically and fixedly mounted on the right side surface of the left presser foot mounting seat parallel to the screw rod A and far away from a third inductor, a left presser foot slide block capable of moving up and down is arranged on the left presser foot guide rail, the left presser foot slide block is driven by a piston of the left presser foot cylinder on the left presser foot guide rail, a left presser foot seat is fixedly mounted on the left presser foot slide block, the left presser foot seat is of an L-shaped structure, a left presser foot block is fixedly mounted on the horizontal plane of the left presser foot seat, a left foot pressing plate is fixedly mounted below the left foot pressing mounting seat, the left front end of the left foot pressing plate is a vertical rectangular plate with a through hole, the bottom end of the left foot pressing plate is a rectangular plate, the left foot pressing plate is fixed on the left foot pressing mounting seat through a bolt, and a left black plate is arranged on the right side of the bottom end of the left foot pressing plate.

Furthermore, the right end of the left mounting seat is fixedly connected to one end of a connecting plate, the other end of the connecting plate is fixedly mounted on a right mounting seat, the straight section of the right mounting seat is of an L-shaped structure, the right mounting seat is fixedly mounted on a second sliding seat, the second sliding seat is fixedly mounted on a second guide rail, the second guide rail is fixedly mounted on a right mounting base, a right presser foot device is arranged on the right mounting seat, the arrangement structure of the right presser foot device is symmetrical to that of the left presser foot device, the right presser foot device comprises a third stepping motor, a guide rail mounting seat B, a right presser foot mounting seat, a right presser foot cylinder and a right presser foot plate, a screw rod B is arranged on the third stepping motor, the screw rod B of the third stepping motor penetrates through a third circular through hole on the right mounting seat and is fixedly mounted on the right mounting seat through a bolt, and the guide rail mounting seat B is fixedly mounted on, a right guide rail is fixedly mounted on the left side face of the guide rail mounting seat B, a right sliding block is arranged on the right guide rail, a fourth inductor seat is fixedly mounted at the rear end of the upper end face of the guide rail mounting seat B, a fourth inductor is embedded on the fourth inductor seat, a lead screw B on a third step motor penetrates through the right presser foot mounting seat, the cross section of the right presser foot mounting seat is in an L shape, the right presser foot mounting seat is fixedly connected with the right sliding block through a bolt, a lead screw nut B is fixedly mounted at the position of the right presser foot mounting seat corresponding to the lead screw B, the lead screw nut B is sleeved with the lead screw B to form a lead screw nut pair B, the third step motor rotates to drive the lead screw nut pair B to do front-back linear motion, so as to drive the right sliding block to do front-back linear motion on the right guide rail, a right presser foot cylinder is fixedly mounted on the side face of the right presser foot mounting seat corresponding to the lead screw nut B, the right presser foot The foot guide rail is provided with a right presser foot slide block capable of moving up and down, the right presser foot slide block slides on the right presser foot guide rail and is driven by a piston of a right presser foot cylinder, a right presser foot seat is fixedly mounted on the right presser foot slide block and is of an L-shaped structure, a right presser foot block is fixedly mounted on the horizontal plane of the right presser foot seat and is of a Z-shaped structure, a right presser foot is fixedly connected below the left end of the right presser foot block, a right presser foot plate is fixedly mounted below the right presser foot mounting seat, the right front end of the right presser foot plate is a vertical rectangular plate with a through hole, the bottom end of the right presser foot plate is a rectangular plate, the right presser foot plate is fixed on the right presser foot mounting seat through bolts, and the left side of the bottom end of the right presser foot plate is provided with a right black

Furthermore, the eyelet button holing machine is arranged above the centers of the left presser foot device and the right presser foot device and is connected with the computer.

The utility model has the advantages that: the utility model discloses an automatic presser foot device that even beats of oblique button hole of button head buttonhole maker adopts split type structure, and the eye of being convenient for install and dismantle, can beat the eye and detain to one side, does not divide the machine model, can install fast, does not destroy former machine structure, adopts closed-loop control, fixes a position accurately, and human-computer interface, various styles are adjustable, and guarantee high-quality production has solved the problem of the inefficiency of workman's operation, improves enterprise productivity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded schematic view of the present invention;

in the figure: 1. a left mounting base, 2, a stepping motor mounting base, 201, a first circular through hole, 3, a first stepping motor, 300, a spindle, 4, a gear, 5, a transmission rack, 6, a first inductor base, 7, a second inductor base, 8, a first inductor, 9, a second inductor, 10, a first guide rail, 11, a first sliding seat, 12, a left mounting base, 121, a second circular through hole, 13, a second stepping motor, 131, a lead screw A, 14, a guide rail mounting base A, 15, a left guide rail, 16, a left sliding block, 17, a third inductor base, 18, a third inductor, 19, a left presser foot mounting base, 20, a lead screw nut A, 21, a left presser foot cylinder, 22, a left presser foot guide rail, 23, a left presser foot sliding block, 24, a left presser foot base, 25, a left presser foot block, 26, a left presser foot, 27, a left presser foot plate, 28, a left black plate, 29, a connecting plate, 30, a right mounting base, 31. the second sliding seat 32, the second guide rail 33, the right mounting base 34, the third stepping motor 341, the lead screw B,35, the guide rail mounting seat B, 36, the right guide rail 37, the right sliding block 38, the fourth sensor seat 39, the fourth sensor 40, the right presser foot mounting seat 41, the lead screw nut B, 42, the right presser foot cylinder 43, the right presser foot guide rail 44, the right presser foot sliding block 45, the right presser foot seat 46, the right presser foot block 47, the right presser foot 48, the right presser foot plate 49 and the right black plate.

Detailed Description

The present invention will be further described in detail with reference to the accompanying drawings and specific embodiments, and as shown in the accompanying drawings, the oblique buttonhole automatic continuous presser foot device of a buttonhole buttonholing machine of the present invention comprises a left mounting base 1, a stepping motor mounting base 2, a first stepping motor 3, a gear 4, a transmission rack 5, a first guide rail 10, a first slide base 11, a left mounting base 12, a left presser foot device, a connecting plate 29, a right mounting base 30, a second slide base 31, a second guide rail 32, a right mounting base 33, and a right presser foot device; the left installation base 1 is a strip metal plate, the left installation base 1 is formed at one time through a die, a stepping motor installation base 2 is arranged on the left front side (the arrow indicates the direction to be the front side) of the left installation base 1, the stepping motor installation base 2 is of an L-shaped structure, two parallel oval through holes are arranged on the horizontal plane of the stepping motor installation base 2, a first round through hole 201 is arranged on the vertical plane of the stepping motor installation base 2, the stepping motor installation base 2 passes through the two parallel oval through holes on the horizontal plane through a bolt and is fixed on the installation base 1, a first stepping motor 3 is fixedly installed on the vertical plane of the stepping motor installation base 2, a main shaft 300 is arranged on the first stepping motor 3, the main shaft 300 of the first stepping motor 3 passes through the first round through hole 201 and is fixed on the vertical plane of the stepping motor installation base 2 through a bolt, and the main shaft 300 is connected with a gear, a transmission rack 5 is arranged below the gear 4, the transmission rack 5 is of a long strip-shaped sawtooth structure, the length of the transmission rack 5 is consistent with the distance between the first sensor seat 6 and the second sensor seat 7, the transmission rack 5 is in meshed transmission with the gear 4, the first sensor seat 6 and the second sensor seat 6 are respectively and fixedly arranged at two ends of the side surface of the transmission rack 5 close to the stepping motor installation seat 2, the first sensor seat 6 and the second sensor seat 7 are both fixed on the installation base 1 through oval through holes through which bolts penetrate, the first sensor seat 6 is arranged at the left side of the second sensor seat 7, a first sensor 8 is embedded on the first sensor seat 6, the first sensor 8 is used for enabling the first stepping motor 3 to automatically return to the initial position when the eyelet buttonhole machine is started, a second sensor 9 is embedded on the second sensor seat 7, when the second sensor 9 receives a position signal of the transmission rack 5 and feeds back the position signal to the computer, at the moment, the computer processing acts, the first stepping motor 3 rotates reversely to drive the gear 4 and the transmission rack 5 to move leftwards, the side surface of the transmission rack 5 far away from the stepping motor mounting seat 2 is provided with a first guide rail 10 which is arranged in parallel with the transmission rack 5, the first guide rail 10 is fixedly arranged on the mounting base 1 through bolts, the first guide rail 10 is in a strip shape, two slidable rectangular first sliding seats 11 are arranged on the first guide rail 10, fixed mounting has left mount pad 12 on two first slides 11, and the highly unanimous and parallel arrangement of height and the driving rack 5 of left mount pad 12, the meshing transmission of gear 4 and driving rack 5 can not be interfered to the height of left mount pad 12, and left mount pad 12 passes through bolt fixed connection with driving rack 5, and left mount pad 12 bottom is the rectangle metal sheet, and left mount pad 12 right rear end is for taking the circular through-hole 121 of second and vertical square metal sheet.

Further, a left presser foot device is arranged on the left mounting seat 12, the left presser foot device comprises a second stepping motor 13, a guide rail mounting seat A14, a left presser foot mounting seat, a left presser foot cylinder and a left presser foot plate, the second stepping motor 13 is fixedly mounted at the front end of the left mounting seat 12, the second stepping motor 13 is provided with a lead screw A131, the lead screw A131 of the second stepping motor 13 penetrates through a second circular through hole 121 on the left mounting seat 12 and is fixed at the right rear end of the left mounting seat 12 through a bolt, a guide rail mounting seat A14 is fixedly mounted on the left side surface of the right rear end of the left mounting seat 12, a left guide rail 15 is fixedly mounted on the right side surface of the guide rail mounting seat A14, a left slide block 16 is arranged on the left guide rail 15, a third inductor seat 17 is fixedly mounted on the rear end of the upper end surface of the guide rail mounting seat A14, a third inductor 18 is embedded on the third inductor seat 17, the lead screw A131 on the second stepping motor 13 penetrates through, the cross section of the left presser foot mounting seat 19 is in an L shape, the left presser foot mounting seat 19 is fixedly connected with the left sliding block 16 through a bolt, a feed screw nut A20 is fixedly mounted at the position of the left presser foot mounting seat 19 corresponding to the feed screw A131, the feed screw nut A20 is sleeved with the feed screw A131 to form a feed screw nut pair A, the second stepping motor 13 rotates to drive the feed screw nut pair A to do front-back linear motion, so as to drive the left sliding block 16 to do front-back linear motion on the left guide rail 15, a left presser foot cylinder 21 is fixedly mounted on the side surface of the left presser foot mounting seat 19 corresponding to the feed screw nut A20, a left presser foot guide rail 22 is vertically and fixedly mounted on the right side surface of the left presser foot mounting seat 19 which is parallel to the feed screw A131 and far away from the third inductor 18, a left presser foot sliding block 23 capable of moving up and down is arranged on the left presser foot guide rail 22, the left presser foot slide block 23 is fixedly provided with a left presser foot seat 24, the left presser foot seat 24 is of an L-shaped structure, a left presser foot block 25 is fixedly arranged on the horizontal plane of the left presser foot seat 24, the left presser foot block 25 is of a Z-shaped structure, a left presser foot 26 is fixedly connected below the right end of the left presser foot block 25, a left presser foot plate 27 is fixedly arranged below the left presser foot mounting seat 19, the left front end of the left presser foot plate 27 is a vertical rectangular plate with a through hole, the bottom end of the left presser foot plate 27 is a rectangular plate, the left presser foot plate 27 is fixed on the left presser foot mounting seat 19 through a bolt, a left black plate 28 is arranged on the right side of the bottom end of the left presser foot plate 27, and the left black plate 28 is used for placing cloth to be obliquely buttonhole punched.

Further, the right end of the left mounting seat 12 is fixedly connected to one end of a connecting plate 29, the other end of the connecting plate 29 is fixedly mounted on a right mounting seat 30, the straight section of the right mounting seat 30 is of an "L" shaped structure, the right mounting seat 30 is fixedly mounted on a second sliding seat 31, the second sliding seat 31 is fixedly mounted on a second guide rail 32, the second guide rail 32 is mounted on a right mounting base 33, the right mounting seat 30 is provided with a right presser foot device, the arrangement structure of the right presser foot device is symmetrical to that of the left presser foot device, the right presser foot device comprises a third stepping motor 34, a guide rail mounting seat B35, a right presser foot mounting seat 40, a right presser foot cylinder 42 and a right presser foot plate 49, the third stepping motor 34 is provided with a lead screw B341, the lead screw B341 of the third stepping motor 34 penetrates through a third circular through hole 301 on the right mounting seat 30 and is fixedly mounted on the right mounting seat 30 through a bolt, the right side end of the right mounting seat 30 is fixedly mounted, a right guide rail 36 is fixedly installed on the left side surface of the guide rail installation seat B35, a right sliding block 37 is arranged on the right guide rail 36, a fourth inductor seat 38 is fixedly installed on the rear end of the upper end surface of the guide rail installation seat 35B, a fourth inductor 39 is embedded on the fourth inductor seat 38, a lead screw B341 on the third stepping motor 34 penetrates through the right presser foot installation seat 40, the cross section of the right presser foot installation seat 40 is in an L shape, the right presser foot installation seat 40 is fixedly connected with the right sliding block 37 through a bolt, a lead screw nut B41 is fixedly installed at the position of the right presser foot installation seat 40 corresponding to the lead screw B341, the lead screw nut B41 is sleeved with the lead screw B341 to form a lead screw nut pair B, the third stepping motor 34 rotates to drive the lead screw nut pair B to do front-back linear motion so as to drive the right sliding block 37 to do front-back linear motion on the right guide rail 36, a right presser foot cylinder 42 is fixedly installed on the side surface, the right presser foot mounting seat 40 is parallel to the screw rod B341 and is vertically and fixedly mounted with a right presser foot guide rail 43 on the left side surface far away from the fourth inductor 39, a right presser foot slide block 44 capable of moving up and down is arranged on the right presser foot guide rail 43, the right presser foot slide block 44 is driven by a piston of a right presser foot cylinder 42 in a sliding manner on the right presser foot guide rail 43, the right presser foot slide block 44 is fixedly mounted with a right presser foot seat 45, the right presser foot seat 45 is in an L-shaped structure, a right presser foot block 46 is fixedly mounted on the horizontal plane of the right presser foot seat 45, the right presser foot block 46 is in a Z-shaped structure, a right presser foot 47 is fixedly connected below the left end of the right presser foot block 46, a right presser foot plate 48 is fixedly mounted below the right presser foot mounting seat 40, the right front end of the right presser foot plate 48 is a vertical rectangular plate with a through hole, the bottom end of the right presser foot plate, the left side of the bottom end 48 of the right presser foot plate is provided with a right black plate 49, the right black plate 49 is used for placing the cloth to be obliquely buttonhole, the right black plate 49 and the left black 28 plate are matched for placing the cloth to be obliquely buttonhole, and the left presser foot sliding block 23 and the right presser foot sliding block 44 are simultaneously driven by the left presser foot cylinder 21 and the right presser foot cylinder 42 to move up and down on the left presser foot guide rail 22 and the right presser foot guide rail 43 to press and loosen the left presser foot 26 and the right presser foot 47, so that the cloth is pressed, the cloth is prevented from moving and the punching quality of the cloth buttonhole is influenced, the left presser foot device and the right presser foot device adopt a split structure, the installation and the disassembly are convenient, compared with the prior art of manual punching, the problem of the quality and the environmental protection after the finished cloth product cannot be caused due to the fact that the line is marked on the cloth is needed, the meshing transmission of the gear 4 and the transmission rack 5 on the first stepping motor 3, the automatic continuous punching function of the round head buttonhole sewing machine is realized.

The working principle is as follows: before work, firstly, the size of a required oblique buttonhole is set in a computer connected with the eyelet buttonhole sewing machine, cloth is placed on a left black plate 28 and a right black plate 49, a power supply is switched on, the eyelet buttonhole sewing machine is started, a left presser foot cylinder 21 and a right presser foot cylinder 42 simultaneously drive a left presser foot slide block 23 and a right presser foot slide block 44 to move downwards on a left presser foot guide rail 22 and a right presser foot guide rail 43 so as to compress the cloth, a needle bar of the eyelet buttonhole sewing machine works to punch a first group of direct buttonholes on the cloth, the computer recognizes that the eyelet buttonhole sewing machine finishes punching the first group of direct buttonholes, a second stepping motor 13 and a third stepping motor 34 work respectively and drive a screw nut pair A and a screw nut pair B at the same time so that a left guide rail 15 and a right guide rail 36 move forwards to drive the cloth to move forwards so as to punch the first group of oblique buttonholes, at the moment, a third inductor 18 and a fourth inductor 39 cannot induce the left presser foot, and sending a signal to a computer, and performing calculation processing to make the second stepping motor 13 and the third stepping motor 34 reversely rotate to drive the rod nut pair A and the lead screw nut pair B to move towards the rear side so as to return the left guide rail and the right guide rail to the initial positions.

When a second group of straight buttonholes and oblique buttonholes are punched, the first stepping motor 3 rotates to drive the gear 4 to be meshed with the transmission rack 5 to the right for transmission, the transmission rack 5 is fixedly connected with the left mounting seat 12, the left mounting seat 12 is fixedly connected with the connecting plate 29, and the connecting plate 29 is fixed on the right mounting seat 30, so that the left presser foot device on the left mounting seat 12 and the right presser foot device on the right mounting seat 30 are driven to move rightwards simultaneously, cloth moves leftwards relative to the eyelet buttonhole sewing machine, and the eyelet buttonhole sewing machine completes the second group of straight buttonholes and oblique buttonholes according to the action of punching the first group of straight buttonholes and oblique buttonholes.

The third group and the fourth group repeat the second group of straight buttonhole and oblique buttonhole beating method, realize the automatic four-step beating, and can also five-step beating or above, after the fourth group straight buttonhole and oblique buttonhole beating method, the left presser foot cylinder 21 and the right presser foot cylinder 22 drive the left presser foot slider 23 and the right presser foot slider 44 to move upwards on the left presser foot guide rail 22 and the right presser foot guide rail 43, so that the left presser foot 26 and the right presser foot 47 move upwards, the cloth with the four groups of straight buttonholes and oblique buttonholes beaten is taken out, the driving rack 5 moves to the position of the second inductor 9, the second inductor 9 senses the signal and feeds back to the computer, the computer processes and acts, so that the first stepping motor 3 reverses, the gear 4 and the driving rack 5 are meshed and driven to return to the initial position, and the next cloth straight buttonhole and oblique buttonhole are beaten down, the utility model adopts the split structure of the left presser foot device and the right presser foot device, the convenient to install and dismantle, can straighten the button hole and detain with oblique eye, do not divide the machine model, can install fast, do not destroy former machine structure, adopt closed-loop control, fix a position accurately, human-computer interface, various styles are adjustable, guarantee high-quality production, have solved the problem of the inefficiency of workman's operation, improve enterprise productivity ratio.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides an automatic presser foot device that links of oblique buttonhole of button head buttonhole machine, includes left installation base, step motor mount pad, first step motor, gear, driving rack, first guide rail, first slide, left mount pad, left presser foot device, connecting plate, right mount pad, second slide, second guide rail, right installation base, right presser foot device, left side installation base left side front side is equipped with the step motor mount pad, is equipped with first circular through-hole on the perpendicular of step motor mount pad, fixed mounting has first step motor on the perpendicular of step motor mount pad, is equipped with the main shaft on the first step motor, be connected with the gear on the main shaft, the gear below is equipped with the driving rack, and first inductor seat, second inductor seat are fixed mounting respectively and are close to the side both ends of step motor mount pad at the driving rack, its characterized in that: a first inductor is embedded on the first inductor seat, a second inductor is embedded on the second inductor seat, a first guide rail which is arranged in parallel with the transmission rack is arranged on the side surface of the transmission rack far away from the stepping motor installation seat, two slidable rectangular first slide seats are arranged on the first guide rail, a left installation seat is fixedly installed on the two first slide seats, a left presser foot device is arranged on the left installation seat and comprises a second stepping motor, a lead screw A, a guide rail installation seat A, a left guide rail, a left slide block, a third inductor seat, a third inductor, a left presser foot installation seat, a left presser foot cylinder, a left presser foot seat, a left presser foot block, a left presser foot and a left presser foot plate, the right end of the left installation seat is fixedly connected to one end of a connecting plate, the other end of the connecting plate is fixedly installed on the right installation seat, the right installation seat is fixedly installed on the second slide seat, the second slide seat is fixedly installed on the second guide rail, the second guide rail is fixedly arranged on the right mounting base, and a right presser foot device is arranged on the right mounting base.

2. The automatic presser foot device for the oblique buttonhole of the eyelet buttonhole sewing machine according to claim 1, wherein: the length of the transmission rack is consistent with the distance between the first sensor seat and the second sensor seat, and the transmission rack is in meshed transmission with the gear.

3. The automatic presser foot device for the oblique buttonhole of the eyelet buttonhole sewing machine according to claim 1, wherein: the height of left side mount pad and the highly uniform and parallel arrangement of driving rack, the meshing transmission of gear and driving rack can not be interfered to the height of left side mount pad, left side mount pad passes through bolt fixed connection with driving rack, left side mount pad bottom is the rectangle metal sheet, left side mount pad right rear end is for taking the circular through-hole of second and vertical square metal sheet.

4. The automatic presser foot device for the oblique buttonhole of the eyelet buttonhole sewing machine according to claim 1, wherein: the second stepping motor is fixedly installed at the front end of the left installation seat, a screw rod A is arranged on the second stepping motor, and the screw rod A of the second stepping motor penetrates through a second circular through hole in the left installation seat and is fixed at the right rear end of the left installation seat through a bolt.

5. The automatic presser foot device for the oblique buttonhole of the eyelet buttonhole sewing machine according to claim 1, wherein: the left side face of the right rear end of the left mounting seat is fixedly provided with a guide rail mounting seat A, the right side face of the guide rail mounting seat A is fixedly provided with a left guide rail, a left sliding block is arranged on the left guide rail, the rear end of the upper end face of the guide rail mounting seat A is fixedly provided with a third inductor seat, and a third inductor is embedded in the third inductor seat.

6. The automatic presser foot device for the oblique buttonhole of the eyelet buttonhole sewing machine according to claim 1, wherein: the lead screw A on the second stepping motor penetrates through the left presser foot mounting seat, the cross section of the left presser foot mounting seat is in an L shape, the left presser foot mounting seat is fixedly connected with the left slider through a bolt, a lead screw nut A is fixedly mounted at the position of the left presser foot mounting seat corresponding to the lead screw A, and the lead screw nut A and the lead screw A are sleeved to form a lead screw nut pair A.

7. The automatic presser foot device for the oblique buttonhole of the eyelet buttonhole sewing machine according to claim 1, wherein: the left presser foot mounting seat is fixedly provided with a left presser foot cylinder on the side face corresponding to the screw nut A, the left presser foot mounting seat is parallel to the screw rod A, a left presser foot guide rail is vertically and fixedly arranged on the right side face far away from the third inductor, a left presser foot slide block capable of moving up and down is arranged on the left presser foot guide rail, and the left presser foot slide block slides on the left presser foot guide rail and is driven by a piston of the left presser foot cylinder.

8. The automatic presser foot device for the oblique buttonhole of the eyelet buttonhole sewing machine according to claim 7, wherein: the left presser foot slide block is fixedly provided with a left presser foot seat which is of an L-shaped structure, the horizontal plane of the left presser foot seat is fixedly provided with a left presser foot block which is of a Z-shaped structure, and a left presser foot is fixedly connected below the right end of the left presser foot block.

9. The automatic presser foot device for the oblique buttonhole of the eyelet buttonhole sewing machine according to claim 1, wherein: a left foot pressing plate is fixedly mounted below the left foot pressing mounting seat, the left front end of the left foot pressing plate is a vertical rectangular plate with a through hole, the bottom end of the left foot pressing plate is a rectangular plate, the left foot pressing plate is fixed on the left foot pressing mounting seat through a bolt, and a left black plate is arranged on the right side of the bottom end of the left foot pressing plate.

10. The automatic presser foot device for the oblique buttonhole of the eyelet buttonhole sewing machine according to claim 1, wherein: the arrangement structure of the right presser foot device is symmetrical to that of the left presser foot device.