CN212771294U

CN212771294U - Vertical button positioning mechanism of vertical button sewing machine

Info

Publication number: CN212771294U
Application number: CN202021772683.XU
Authority: CN
Inventors: 阮孟祝
Original assignee: Taizhou Jema Sewing Machine Co ltd
Current assignee: Taizhou Jema Sewing Machine Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-03-23
Anticipated expiration: 2030-08-21

Abstract

The utility model provides a found knot of knot machine of detaining button and detain positioning mechanism belongs to mechanical technical field. The vertical button fixing mechanism solves the technical problems that a vertical button fixing mechanism of an existing vertical button sewing machine is complex in structure and the like. This found knot mechanism of detaining machine includes the mount pad of fixed mounting on the presser foot, found knot mechanism still includes driving gear and two double-layered buckle arms, two double-layered buckle arms all have double-layered arm section and removal section, the fore-and-aft direction swing joint on the mount pad can be followed to the removal section of two double-layered buckle arms, the driving gear rotates to be connected in the mount pad and is located between two removal sections, the driving gear meshes with the removal section of two double-layered buckle arms, the arm lock section is located the place ahead of presser foot and two sections double-layered arm sections set up along the fore-and-aft direction interval of presser foot, the tip of double-layered arm section is equipped with the double-layered portion of detaining, the double-layered portion of double-layered arm section is close to relatively or keeps away from when two sections removal sections remove the section in opposite directions, still be equipped with the driving source that can make two. The utility model has the advantages of simple structure.

Description

Vertical button positioning mechanism of vertical button sewing machine

Technical Field

The utility model belongs to the technical field of machinery, a found pintle knot machine is related to, especially a found pintle knot machine found knot positioning mechanism.

Background

The vertical button is also called mushroom button, comprising a button cap and a button handle with suture holes, a large number of vertical buttons are needed in the clothing processing, in order to realize high-efficiency automatic button sewing, a vertical button sewing machine is adopted at present, for example, a button feeder with vertical button identification function (application number 202010020239.0) disclosed in Chinese patent document is adopted, the vertical button is conveyed in place through a material arranging and conveying component, a button feeding identification component, a sequencing component, a button feeding component and a button clamping component which are matched, wherein the button clamping component is arranged on the button sewing machine, the vertical button sewing machine also comprises a button clamping component which is arranged on the button sewing machine, the button clamping component is driven by a seventh cylinder to open and close, the button clamping component comprises two clamping arms, the tail ends of the two clamping arms are obtuse-angle clamping surfaces with the surface forming an included angle of 120-160 degrees, the rear part of the clamping surfaces is provided with a convex blocking part, the two blocking parts and the obtuse-angle clamping surfaces form clamping parts, the clamping parts are used for receiving the mushroom button from a clamp and regulating the posture of the mushroom button, finally, a firm clamping is formed on the mushroom button. The vertical buckle is clamped and positioned at the button sewing station through the buckle frame assembly, wherein the two clamping arms drive the two clamping arms to synchronously swing through the mode of connecting rod transmission to realize clamping, and the mode of connecting rod transmission leads to the complex transmission structure and higher cost.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided an upright knot positioning mechanism that detains machine of detaining, the utility model provides a technical problem provide simple structure's upright knot positioning mechanism.

The purpose of the utility model can be realized by the following technical proposal:

a vertical button positioning mechanism of a vertical button sewing machine comprises a button sewing machine and a presser foot movably connected to the button sewing machine, and the vertical button positioning mechanism comprises a mounting seat fixedly mounted on the presser foot, and is characterized in that the vertical button positioning mechanism also comprises a transmission gear and two clamping arms, the two clamping arms are respectively provided with a clamping arm section and a moving section, the moving sections of the two clamping arms can be movably connected to the mounting seat along the front-back direction of the presser foot, the transmission gear is rotatably connected in the mounting seat and positioned between the two moving sections, the transmission gear is meshed with the moving sections of the two clamping arms, the clamping arm section is positioned in front of the presser foot, the two clamping arm sections are arranged along the front-back direction of the presser foot at intervals, the end part of the clamping arm section is provided with a clamping button part, when the two moving sections move towards each other, the clamping button parts of the two clamping arm sections are relatively close to clamp the vertical button or far away from the vertical button, and the mounting seat is also provided with a driving source which can enable the two moving sections to move oppositely.

The vertical buttons of the vertical button sewing machine are arranged one by the button feeding assembly, the button handles of the vertical buttons are vertically upward at the moment, the vertical buttons are transferred to the button sewing station by the vertical button transferring mechanism, the button handles of the vertical buttons positioned at the button sewing station face horizontally, and the axes of the suture holes on the button handles are vertically arranged; when the vertical button is rotated to the button sewing station, the vertical button is positioned between the clamping parts of the two clamping arms, the clamping parts of the two clamping arms are relatively close to clamp the vertical button, the vertical button is positioned at the button sewing station, the suture hole on the button handle is positioned under the sewing needle, the presser foot is swung downwards to enable the vertical button to be close to the sewn cloth, and the vertical button is sewn on the cloth by the sewing needle; the moving sections of the two clamping and buckling arms move oppositely through the transmission teeth, and the two clamping and buckling parts are synchronously and relatively close to or far away from each other, so that the functions of clamping and vertically buckling and releasing the vertically buckling are realized, and the structure is simple and reliable.

In the vertical button positioning mechanism of the vertical button sewing machine, the clamping parts on the two clamping arm sections are relatively protruded, the opposite sides of the two clamping parts are respectively provided with a V-shaped limiting notch, the bottom surface of each limiting notch inclines to the corresponding clamping arm section side from the front end to the rear end along the length direction of the clamping arm sections, and the rear end of each clamping part, which is positioned in the limiting notch, is provided with a baffle part protruded out of the bottom surface of the limiting notch. During the tight knot of clamp was detained immediately cap border card income was detained when detaining, the spacing notch of "V" type was seted up along vertical direction and can be avoided immediately detaining and fall, makes simultaneously to detain immediately under the guide of spacing notch bottom surface and slide to baffle portion one side until the bottom surface of detaining the cap supports on baffle portion, realizes detaining the accurate location of detaining immediately at the nail and detains the station to make and detain immediately that the suture needle is aligned with the suture pore that detains the handle immediately after detaining the location, realize accurate nail and detain.

In the vertical button positioning mechanism of the vertical button sewing machine, the mounting seat is further fixed with a cloth pressing rod, the end part of the cloth pressing rod is located between the two clamping arm sections and below the clamping arm sections, the end part of the cloth pressing rod is located on the inner sides of the two clamping parts, and a button sewing hole is formed in the end part of the cloth pressing rod. When the cloth pressing device is used, the cloth pressing rod can move up and down along with the presser foot, the presser foot swings downwards during button sewing, the cloth is pressed and positioned by the cloth pressing rod, and then the vertical button is nailed on the cloth; after the vertical button is positioned, the suture hole of the vertical button handle is aligned with the button sewing hole at the end part of the cloth pressing rod.

In foretell knot machine of standing knot constructs immediately, the driving source is the cylinder, the rear end at the mount pad is fixed to the cylinder, the telescopic link of cylinder and the removal section fixed connection of one of them clip arm, the telescopic link of cylinder and fixed connection's removal section parallel arrangement.

The cylinder drives the moving section of one of the clamping arms to move forwards or backwards, the moving section of the other clamping arm can move backwards or forwards along with the cylinder through transmission of the transmission gear, and the moving sections of the two clamping arms move oppositely, so that the two moving sections are relatively close to or relatively far away from each other.

As another situation, in the vertical button positioning mechanism of the vertical button sewing machine, the driving source is a driving motor, the driving motor is fixedly mounted on the mounting base, and the driving motor is connected with the driving gear and can drive the driving gear to rotate. The driving gear of the driving motor rotates forwards and backwards to drive the moving sections of the two clamping arms to move oppositely, so that the two moving sections are relatively close to or relatively far away from each other.

In the vertical button positioning mechanism of the vertical button sewing machine, the mounting seat is provided with two guide holes and a connecting cavity communicated with the middle sections of the two guide holes, the two guide holes are parallel to the length direction of the presser foot, the moving sections of the two button clamping arms are respectively arranged in the guide holes in a penetrating manner, the transmission teeth are rotatably connected in the connecting cavity, one side edge of the moving section, which faces the connecting cavity, is provided with the rack, and the teeth on the two sides of the transmission teeth extend into the corresponding guide holes and are meshed with the rack on the moving section. The structure can realize the relative synchronous movement of the clamping arm on the mounting seat.

In the vertical button positioning mechanism of the vertical button sewing machine, the section of the guide hole is rectangular, the section of the moving section is rectangular, and the side edge of the moving section is attached to the groove wall of the guide hole. The structure realizes that the moving section can be positioned circumferentially in the guide hole and can move axially along the guide hole.

In the vertical button positioning mechanism of the vertical button sewing machine, the mounting base comprises a fixing plate and a cover plate, the fixing plate comprises a fixing part and a mounting part, the fixing part is fixedly connected with the presser foot, the mounting part is positioned at one side of the presser foot, the mounting part is provided with two parallel vertical grooves and a transverse groove for connecting the two guide grooves, the vertical grooves are parallel to the length direction of the presser foot, the cover plate is fixed on the mounting part and covers the vertical grooves and the transverse groove, the guide holes are formed between the cover plate and the vertical grooves, and the connecting cavity is formed between the cover plate and the transverse groove. The cover plate can be detached, and the connecting section and the transmission teeth inside the cover plate can be maintained conveniently.

Compared with the prior art, the vertical button positioning mechanism of the vertical button sewing machine has the advantages of simple and reliable structure and capability of accurately positioning the vertical button at the button sewing station.

Drawings

FIG. 1 is a schematic perspective view of the vertical button sewing machine.

FIG. 2 is a schematic perspective view of the standing clasp positioning mechanism connected to the presser foot and clamping the standing clasp.

Fig. 3 is a schematic perspective view of the buckle positioning mechanism.

Fig. 4 is a schematic top view of the vertical buckle positioning mechanism with the cover plate removed.

Fig. 5 is a partially enlarged structural view of the clip portion.

In the figure, 1, a workbench; 11. a vertical buckle transfer mechanism; 12. vibrating the feed tray; 13. a button feeding channel; 2. a presser foot; 3. a mounting seat; 31. a fixing plate; 311. a fixed part; 312. an installation part; 312a, vertical slots; 312b, a transverse groove; 32. a cover plate; 4. a transmission gear; 5. a clip arm; 51. a clamp arm section; 52. a clip portion; 521. a limiting notch; 522. a baffle portion; 53. a moving section; 531. a rack; 6. a cylinder; 7. a cloth pressing rod; 71. and (4) nailing the buckling hole.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 to 5, the vertical button attaching machine comprises a workbench 1 and a button attaching machine, wherein a button feeding assembly and a vertical button transferring mechanism 11 are arranged on the workbench 1, the button feeding assembly comprises a vibration feeding disc 12 and a button feeding channel 13, the end part of the button feeding channel 13 is a button taking station, and the vibration feeding disc 12 arranges and conveys the vertical buttons to the button taking station one by one; the button sewing machine is movably connected with a presser foot 2, the presser foot 2 can swing up and down, a button sewing station is arranged right below a sewing needle on the button sewing machine, the vertical button transferring mechanism 11 can transfer the vertical button from the button taking station to the button sewing station, and a button handle of the transferred vertical button positioned on the button sewing station faces horizontally and the axis of a suture hole on the button handle is vertically arranged; both the button feeding assembly and the button transferring mechanism 11 can be realized by using the prior art.

The vertical buckle positioning mechanism comprises a transmission gear 4, two buckle arms 5 and a mounting seat 3 fixedly mounted on the presser foot 2, wherein the two buckle arms 5 are respectively provided with a buckle arm section 51 and a moving section 53, the moving sections 53 of the two buckle arms 5 can be movably connected on the mounting seat 3 along the front-back direction of the presser foot 2, the transmission gear 4 is rotatably connected in the mounting seat 3 and positioned between the two moving sections 53, the transmission gear 4 is meshed with the moving sections 53 of the two buckle arms 5, the buckle arm section 51 is positioned in front of the presser foot 2, the two buckle arm sections 51 are arranged at intervals along the front-back direction of the presser foot 2, the end part of the buckle arm section 51 is provided with a buckle part 52, when the two moving sections 53 move towards each other, the clamping part 52 of the two clamping arm sections 51 is relatively close to the vertical button located at the button attaching station for clamping or far away from the vertical button located at the button attaching station for releasing, and the mounting base 3 is further provided with a driving source capable of enabling the two moving sections 53 to move towards each other.

Preferably, in the first embodiment, the driving source is an air cylinder 6, the air cylinder 6 is fixed at the rear end of the mounting seat 3, the telescopic rod of the air cylinder 6 is fixedly connected with the moving section 53 of one of the clamping arms 5, the telescopic rod of the air cylinder 6 is arranged in parallel with the fixedly connected moving section 53, and the telescopic rod of the air cylinder 6 can be directly connected with the end of the moving section 53. The cylinder 6 drives the moving section 53 of one of the clip arms 5 to move forwards or backwards, the transmission gear 4 can drive the moving section 53 of the other clip arm 5 to move backwards or forwards, and the moving sections 53 of the two clip arms 5 move oppositely.

The clamping parts 52 on the two clamping arm sections 51 are relatively protruded, the opposite sides of the two clamping parts 52 are both provided with a V-shaped limiting notch 521, the bottom surfaces of the limiting notches 521 are inclined from the front end to the rear end along the length direction of the clamping arm sections 51 to the corresponding clamping arm section 51 side, and the rear end of the clamping part 52 positioned on the limiting notch 521 is provided with a baffle part 522 protruded out of the bottom surface of the limiting notch 521. When the vertical button is clamped, the edge of the button cap of the vertical button is clamped into the limiting notch 521, the vertical button slides towards one side of the baffle part 522 under the guidance of the bottom surface of the limiting notch 521 until the bottom surface of the button cap abuts against the baffle part 522, and the vertical button is accurately positioned at a button sewing station.

The mounting seat 3 is further fixed with a cloth pressing rod 7, the end of the cloth pressing rod 7 is located between the two clamping arm sections 51 and below the clamping arm sections 51, the end of the cloth pressing rod 7 is located on the inner sides of the two clamping parts 52, a button attaching hole 71 is formed in the end of the cloth pressing rod 7, and cloth is pressed and fixed through the cloth pressing rod 7 during button attaching.

The connecting cavity of two guiding holes and the middle section of two guiding holes of intercommunication is seted up on mount pad 3, and two guiding holes are parallel with the length direction of presser foot 2, and the removal section 53 of two clip arms 5 wears to establish respectively in the guiding hole, and driving gear 4 rotates to be connected in connecting the cavity, is equipped with rack 531 on the removal section 53 towards the side of connecting the cavity, and the both sides tooth of driving gear 4 stretches into corresponding guiding hole and with the rack 531 meshing on the removal section 53. The cross-section of guiding hole is the rectangle, and the cross-section of removal section 53 is the rectangle, and the side of removal section 53 is laminated with the cell wall of guiding hole.

Specifically, the mounting seat 3 includes a fixing plate 31 and a cover plate 32, the fixing plate 31 includes a fixing portion 311 and a mounting portion 312, the fixing portion 311 is fixedly connected to the presser foot 2, the mounting portion 312 is located on one side of the presser foot 2, the mounting portion 312 is provided with two parallel vertical grooves 312a and a transverse groove 312b connecting the two guide grooves, the vertical grooves 312a are parallel to the length direction of the presser foot 2, the cover plate 32 is fixed on the mounting portion 312 and covers the vertical grooves 312a and the transverse groove 312b, guide holes are formed between the cover plate 32 and the vertical grooves 312a, and a connecting cavity is formed between the cover plate 32 and the transverse groove 312 b.

When the vertical button is rotated to the button sewing station, the vertical button is positioned between the button clamping parts 52 of the two button clamping arms 5, the button clamping parts 52 of the two button clamping arms 5 are relatively close to clamp the vertical button, the vertical button is positioned at the button sewing station, the suture hole on the button handle is positioned right below the sewing needle, the presser foot 2 is swung downwards to enable the vertical button to be close to the sewn cloth, and the vertical button is sewn on the cloth by the sewing needle; the moving sections 53 of the two clip arms 5 move in opposite directions through the transmission teeth 4, so that the two clip parts 52 are synchronously and relatively close to or far away from each other, the functions of clamping and releasing the vertical clips are realized, and the structure is simple and reliable.

Example two

The structure and principle of this embodiment are basically the same as those of the first embodiment, and different points are as follows: the driving source is a driving motor which is fixedly arranged on the mounting seat and is connected with the transmission gear and can drive the transmission gear to rotate. The driving gear of the driving motor rotates forwards and backwards to drive the moving sections of the two clamping arms to move oppositely, so that the two moving sections are relatively close to or relatively far away from each other.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A vertical button positioning mechanism of a vertical button sewing machine comprises a button sewing machine and a presser foot (2) movably connected to the button sewing machine, the vertical button positioning mechanism comprises a mounting seat (3) fixedly mounted on the presser foot (2), and is characterized in that the vertical button positioning mechanism further comprises a transmission gear (4) and two button clamping arms (5), the two button clamping arms (5) are respectively provided with a clamping arm section (51) and a moving section (53), the moving sections (53) of the two button clamping arms (5) can be movably connected to the mounting seat (3) along the front-back direction of the presser foot (2), the transmission gear (4) is rotatably connected in the mounting seat (3) and positioned between the two moving sections (53), the transmission gear (4) is meshed with the moving sections (53) of the two button clamping arms (5), the clamping arm section (51) is positioned in front of the presser foot (2), and the two clamping arm sections (51) are arranged at intervals along the front-back direction of the presser foot (2), the end of the clamping arm section (51) is provided with a clamping part (52), when the moving section (53) moves towards each other, the clamping part (52) of the clamping arm section (51) is relatively close to the clamping vertical buckle or far away from the releasing vertical buckle, and the mounting seat (3) is further provided with a driving source which can enable the two moving sections (53) to move towards each other.

2. The vertical button positioning mechanism of the vertical button sewing machine according to claim 1, wherein the driving source is an air cylinder (6), the air cylinder (6) is fixed at the rear end of the mounting seat (3), the telescopic rod of the air cylinder (6) is fixedly connected with the moving section (53) of one of the button clamping arms (5), and the telescopic rod of the air cylinder (6) is arranged in parallel with the fixedly connected moving section (53).

3. The vertical button positioning mechanism of the vertical button sewing machine according to claim 1, wherein the driving source is a driving motor, the driving motor is fixedly mounted on the mounting base (3), and the driving motor is connected with the driving gear (4) and can drive the driving gear (4) to rotate.

4. The vertical button positioning mechanism of the vertical button sewing machine according to claim 1, 2 or 3, characterized in that the mounting base (3) is provided with two guide holes and a connecting cavity communicating the middle sections of the two guide holes, the two guide holes are parallel to the length direction of the presser foot (2), the moving sections (53) of the two button clamping arms (5) are respectively arranged in the guide holes in a penetrating manner, the transmission gear (4) is rotatably connected in the connecting cavity, a rack (531) is arranged on one side of the moving section (53) facing the connecting cavity, and the teeth on the two sides of the transmission gear (4) extend into the corresponding guide holes and are meshed with the rack (531) on the moving section (53).

5. The vertical button positioning mechanism of vertical button sewing machine according to claim 4, characterized in that the cross-section of the guiding hole is rectangular, the cross-section of the moving section (53) is rectangular, and the side of the moving section (53) is attached to the groove wall of the guiding hole.

6. The vertical button positioning mechanism of the vertical button sewing machine according to claim 4, the mounting seat (3) comprises a fixing plate (31) and a cover plate (32), the fixing plate (31) comprises a fixing part (311) and a mounting part (312), the fixing part (311) is fixedly connected with the presser foot (2), the mounting part (312) is positioned at one side of the presser foot (2), the mounting part (312) is provided with two parallel vertical grooves (312a) and a transverse groove (312b) for connecting the two guide grooves, the vertical groove (312a) is parallel to the length direction of the presser foot (2), the cover plate (32) is fixed on the mounting part (312) and covers the vertical groove (312a) and the transverse groove (312b), the guide hole is formed between the cover plate (32) and the vertical groove (312a), and the connecting cavity is formed between the cover plate (32) and the transverse groove (312 b).

7. The vertical button positioning mechanism of the vertical button sewing machine according to claim 1, 2 or 3, characterized in that the button clamping parts (52) on the two arm clamping sections (51) are relatively protruded, the opposite sides of the two button clamping parts (52) are respectively provided with a V-shaped limiting notch (521), the bottom surfaces of the limiting notches (521) are inclined from the front end to the rear end along the length direction of the arm clamping sections (51) to the corresponding arm clamping sections (51), and the rear ends of the button clamping parts (52) located in the limiting notches (521) are provided with baffle parts (522) protruded out of the bottom surfaces of the limiting notches (521).

8. The vertical button positioning mechanism of the vertical button sewing machine according to claim 1, 2 or 3, characterized in that a cloth pressing rod (7) is further fixed on the mounting seat (3), the end of the cloth pressing rod (7) is located between the two clamping arm sections (51) and below the clamping arm sections (51), the end of the cloth pressing rod (7) is located inside the two clamping button parts (52), and the end of the cloth pressing rod (7) is provided with a button sewing hole (71).