Composite connecting rod double-acting button sewing machine

Abstract

The utility model relates to a composite connecting rod double-acting button sewing machine which comprises a machine frame, a driving motor is arranged on the top of the machine frame, a driving cam is sleeved on an output shaft of the driving motor, the driving cam is provided with a first output shaft and a second output shaft, and the phase angle of the second output shaft lags behind the phase angle of the first output shaft. The second output shaft is sleeved with the upper end of a driving arm, the lower end of the driving arm is connected with a button sewing sleeve rod, the button sewing sleeve rod is connected with the rack through a longitudinal guide mechanism, and a guide hole axially penetrating through the button sewing sleeve rod is formed in the button sewing sleeve rod; the first output shaft is movably connected with the punching rod through a connecting rod, and the lower portion of the punching rod is contained in the guide hole. A punching punch and a button sewing punch are arranged at the lower ends of the punching rod and the button sewing sleeve rod; punching and button sewing are completed at a time through the phase difference of the output ends of the double output cams by adopting one driving motor, and the punching and button sewing machine has the advantages of being compact in structure, high in efficiency and good in synchronism.

Description

TECHNICAL FIELD

[0001] The utility model relates to a button sewing machine, specifically to a composite connecting rod double-acting button sewing machine. BACKGROUND

[0002] At present, the button sewing machine usually adopts two steps of punching and sewing when installing the ring-shaped button (commonly known as the eyelet button), so that the button sewing machine needs to be provided with a button punch and a punch, and the driving mechanism also needs to be provided with two groups of driving punch and punch, so that the structure of the button sewing machine is relatively complex, and the twice impact operation also reduces the working efficiency.

[0003] In addition, the linkage abutting portion patent with the announcement number CN213096350U provides an automatic button sewing machine, which comprises a rack, a riveting upper die assembly, a riveting lower die assembly, an upper die driving assembly, a button conveying mechanism and a lower button conveying mechanism are arranged on the rack, an upper button receiving mechanism and a lower button receiving mechanism are installed on the rack, the upper button receiving mechanism is located between the riveting lower die assembly and the riveting upper die assembly, the riveting lower die assembly is arranged at the lower button receiving mechanism and located directly below the riveting upper die assembly; the upper die driving assembly comprises a primary driving member and a secondary driving member, the riveting upper die assembly comprises a hollow shaft sleeve and an upper button base, the secondary driving member drives the hollow shaft sleeve to reciprocate towards the riveting lower die assembly, the primary driving member is connected with a punching rod, the punching rod is located directly above the riveting lower die assembly, the punching rod slides in the hollow shaft sleeve, and the punching rod penetrates the upper button base when punching; the application realizes the automatic button sewing action, and has the effects of safe operation and high processing efficiency.

[0004] The punching rod and the upper button base of the above-mentioned button sewing machine are driven by a primary servo motor and a secondary servo motor, which is relatively complex in structure and has high cost, and the two motors need to be controlled with a certain time difference when working. UTILITY MODEL CONTENTS

[0005] The utility model has the advantages that the button sleeve rod punch and the punch of the punching rod are connected with the same driving motor through a double output cam, one driving motor is adopted to realize the one-time completion of punching and button sewing through the phase difference of the double output cam output ends, and the utility model has the characteristics of compact structure, high efficiency and good synchronism.

[0006] In order to achieve the above-mentioned purpose, the following technical scheme is adopted:

[0007] The utility model discloses a composite link double -action button sewing machine, including the frame, is equipped with the drive motor on the top of frame, is equipped with the drive cam of sleeve on the output shaft of drive motor, its characterized in that: drive cam has first output shaft and second output shaft, and the axial of first output shaft and second output shaft is parallel with the axial of drive motor output shaft, and the phase angle of second output shaft is behind the phase angle of first output shaft, and the upper end of a drive arm is sleeved on second output shaft, and drive arm lower end is connected with button sewing sleeve rod, and button sewing sleeve rod is connected with frame through longitudinal guide mechanism, and is equipped with the guide hole of axial through button sewing sleeve rod on button sewing sleeve rod, and first output shaft is movably connected with punch rod through connecting rod, and the lower part of punch rod is contained in guide hole, and punch rod and button sewing sleeve rod lower end are equipped with punch punch and button sewing punch, and still is equipped with button sewing mould on the base of frame and is located the right below punch rod and button sewing sleeve rod.

[0008] The longitudinal guide mechanism includes a longitudinal slide rail and a sliding block, the button feeding mechanism is arranged on one side of the frame, the button feeding slide rail is hingedly connected to the button feeding mechanism, the upper end of the button feeding slide rail corresponds to the output end of the button feeding mechanism, the lower end of the button feeding slide rail is located directly below the button sewing sleeve rod and directly above the button sewing die, the linkage abutting portion is arranged in the middle of the button feeding slide rail, the sliding block is fixedly connected to the button sewing sleeve rod, the sliding block is provided with an inclined surface at a position corresponding to the linkage abutting portion, and the automatic reset mechanism is arranged between the button feeding slide rail and the button feeding mechanism.

[0009] The lower end of the button feeding slide rail is provided with a punch rod avoiding groove, and the width of the avoiding groove is greater than the outer diameter of the punch rod.

[0010] The drive cam includes a cam body, a second output shaft coaxial with the cam body is arranged at one end of the cam body, a rotating shaft hole and a first output shaft hole are arranged in the cam body, the axial directions of the rotating shaft hole and the first output shaft hole are offset relative to the axial direction of the cam body, the output end of the drive motor is connected to the rotating shaft hole, and the first output shaft is arranged in the first output shaft hole.

[0011] The utility model discloses a composite link double -action button sewing machine, including the frame, is equipped with the drive motor on the top of frame, is equipped with the drive cam of sleeve on the output shaft of drive motor, its characterized in that: drive cam has first output shaft and second output shaft, and the axial of first output shaft and second output shaft is parallel with the axial of drive motor output shaft, and the phase angle of second output shaft is behind the phase angle of first output shaft, and the upper end of a drive arm is sleeved on second output shaft, and drive arm lower end is connected with button sewing sleeve rod, and button sewing sleeve rod is connected with frame through longitudinal guide mechanism, and is equipped with the guide hole of axial through button sewing sleeve rod on button sewing sleeve rod, and first output shaft is movably connected with punch rod through connecting rod, and the lower part of punch rod is contained in guide hole, and punch rod and button sewing sleeve rod lower end are equipped with punch punch and button sewing punch, and still is equipped with button sewing mould on the base of frame and is located the right below punch rod and button sewing sleeve rod. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is internal structure schematic diagram of the utility model;

[0013] Fig. 2 It is another direction's internal structure schematic diagram of the utility model;

[0014] Fig. 3The utility model discloses an internal structure diagram of driving cam. DETAILED DESCRIPTION

[0015] As Figs. 1-3 shown, a kind of composite connecting rod double-action button sewing machine, including rack 1, be equipped with driving motor 2 in the top of rack 1, driving motor 2's output shaft 21 is equipped with driving cam 3, the driving cam 3 includes cam body 30, is equipped with with cam body 30's coaxial second output shaft 32 in one end of cam body 30, still be equipped with pivot hole 33 and first output shaft hole 34 on cam body 30, pivot hole 33 and first output shaft hole 34's axial direction is offset to the axial direction of cam body 30, the output end of driving motor 2 is connected on pivot hole 33, first output shaft hole 34 is equipped with first output shaft 31, the axial direction of first output shaft 31 and second output shaft 32 is parallel with the axial direction of driving motor 2 output shaft, the phase angle of second output shaft 32 lags behind the phase angle of first output shaft 31, and the upper end of a driving arm 4 is equipped with in second output shaft 32, driving arm 4 lower end is connected with button sewing sleeve rod 5, button sewing sleeve rod 5 is connected with rack 1 by longitudinal guide mechanism 7, and button sewing sleeve rod 5 is equipped with guide hole that is axially through button sewing sleeve rod 5;First output shaft 31 is movably connected with punch rod 8 by connecting rod 6, and the lower part of punch rod 8 is contained in guide hole;Punch rod 8 and button sewing sleeve rod 5 lower end are equipped with punch punch 81 and button sewing punch 51, and still be equipped with button sewing mould 11 in the bottom of rack 1 below punch punch 81 and button sewing punch 51.

[0016] The longitudinal guide mechanism 7 includes longitudinal slide rail 71 and sliding block 72, button feeding mechanism 9 is arranged on one side of rack 1, button feeding mechanism 9 has button feeding slide rail 91, button feeding slide rail 91 is hinged on button feeding mechanism 9, the upper end of button feeding slide rail 91 corresponds with the output end of button feeding mechanism 9, the lower end of button feeding slide rail 91 is located directly below button sewing sleeve rod 5 and directly above button sewing mould 11, the lower end of button feeding slide rail 81 is provided with punch punch 81 avoiding slot, the width of avoiding slot is greater than the outer diameter of punch punch 81;Linkage abutting portion 92 is arranged in the middle of button feeding slide rail 91, the sliding block 72 is fixedly connected with button sewing sleeve rod 5, and the part corresponding to linkage abutting portion 92 of sliding block 72 is provided with inclined surface 73, automatic reset mechanism is arranged between button feeding slide rail and button feeding mechanism, and linkage abutting portion 92 of button feeding slide rail 91 is abutted on inclined surface 73 driven by automatic reset mechanism.

[0017] The utility model discloses a work time annular button is arranged on the button slide rail 91 by button feeding mechanism 9, and the drive motor 2 starts due to the phase angle of second output shaft 32 lags behind the phase angle of first output shaft 31, and first output shaft 31 drives punch rod 8 and punch punch 81 to start first through connecting rod 6, and punch punch 81 is pressed down in advance and passes through the button center hole and the avoidance groove of the lower end of button slide rail 91, and then second output shaft 32 drives nail button sleeve rod 5 and nail button punch 51 to press down and grab the annular button of the lowermost end through driving arm 4, and nail button sleeve rod 5 is opened through the cooperation of the inclined plane 73 of slider 72 and linkage abutting portion 92 and gives nail button sleeve rod 5 and nail button punch 51 the space of letting out;Then punch punch 81 punches a through hole in advance at the nail button position of cloth and then starts to reset in advance, and then nail button punch 51 completes nail button operation with the annular button and the nail button mould 11 below cooperation;After completing nail button operation, nail button sleeve rod 5 and nail button punch 51 also reset immediately, and the lower end of button slide rail 91 is automatically returned to the just below nail button punch 51 under the action of automatic reset mechanism and waits for the next operation after nail button sleeve rod 5 resets in place.

[0018] The utility model discloses a drive motor utilizes the phase difference of two output ends on double output cam, makes punch action slightly earlier than nail button punch action, realizes and then completes in advance punching and nail button in one stamping action, relative to the double power structure of existing, the utility model has the characteristics of compact structure, high efficiency and good synchronism.

Claims

1. A composite connecting rod double-action button sewing machine, comprising a frame (1), a driving motor (2) arranged on the top of the frame (1), a driving cam (3) sleeved on the output shaft (21) of the driving motor (2), characterized in that: The driving cam (3) has a first output shaft (31) and a second output shaft (32), the axial directions of the first output shaft (31) and the second output shaft (32) are parallel to the axial direction of the output shaft of the driving motor (2), the phase angle of the second output shaft (32) lags behind the phase angle of the first output shaft (31), the upper end of a driving arm (4) is sleeved on the second output shaft (32), the lower end of the driving arm (4) is connected with a button sleeve rod (5), the button sleeve rod (5) is connected with the rack (1) through a longitudinal guide mechanism (7), the button sleeve rod (5) is provided with a guide hole penetrating the button sleeve rod (5) in the axial direction; the first output shaft (31) is movably connected with a punching rod (8) through a connecting rod (6), the lower part of the punching rod (8) is accommodated in the guide hole; the punching rod (8) and the lower end of the button sleeve rod (5) are provided with a punching punch (81) and a button punch (51), and a button die (11) is further arranged on the bottom of the rack (1) directly below the punching punch (81) and the button punch (51).

2. A combination link double pronger as claimed in claim 1 wherein: The longitudinal guide mechanism (7) comprises a longitudinal sliding rail (71) and a sliding block (72), a button feeding mechanism (9) is arranged on one side of the rack (1), the button feeding mechanism (9) has a button feeding sliding rail (91), the button feeding sliding rail (91) is hinged on the button feeding mechanism (9), the upper end of the button feeding sliding rail (91) corresponds to the output end of the button feeding mechanism (9), the lower end of the button feeding sliding rail (91) is located directly below the button sleeve rod (5) and directly above the button die (11), the middle part of the button feeding sliding rail (91) is provided with a linkage abutting part (92), the sliding block (72) is fixedly connected with the button sleeve rod (5), the position corresponding to the linkage abutting part (92) of the sliding block (72) is provided with an inclined surface (73), an automatic reset mechanism is arranged between the button feeding sliding rail and the button feeding mechanism, and the automatic reset mechanism drives the linkage abutting part (92) of the button feeding sliding rail (91) to abut against the inclined surface (73).

3. A combination link double pronger machine as claimed in claim 2 wherein: The lower end of the button feeding sliding rail (91) is provided with a punching punch (81) avoiding groove, and the width of the avoiding groove is greater than the outer diameter of the punching punch (81).

4. The combination link double prong button sewing machine of claim 1 wherein: The driving cam (3) comprises a cam body (30), a second output shaft (32) coaxial with the cam body (30) is arranged at one end of the cam body (30), a rotating shaft hole (33) and a first output shaft hole (34) are further arranged on the cam body (30), the axial directions of the rotating shaft hole (33) and the first output shaft hole (34) are arranged in a manner offset relative to the axial direction of the cam body (30), the output end of the driving motor (2) is connected to the rotating shaft hole (33), and the first output shaft (31) is arranged in the first output shaft hole (34).

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