Composite double-action button sewing machine

Abstract

The utility model relates to a kind of composite double-action nail buckle machines, including rack, be equipped with driving motor on rack, driving motor's output shaft is equipped with driving cam, the driving cam is double-cam structure, the phase angle of first cam output portion is behind the phase angle of second cam output portion, there is a nail buckle sleeve rod and be connected with rack by longitudinal guide mechanism, nail buckle sleeve rod upper end is abutted in the outer edge portion of first cam, nail buckle sleeve rod and rack are provided with first reset mechanism;The lower part of a punching rod is housed in the guide hole of nail buckle sleeve rod, punching rod upper end is abutted in the outer edge portion of second cam, punching rod and nail buckle sleeve rod or rack between also be provided with second reset mechanism;The utility model is realized punching and nail buckle once completion by the phase difference of double-output cam output end using a driving motor, the utility model has the characteristics of more compact structure, higher transmission efficiency.

Description

Technical Field

[0001] This utility model relates to a button attaching machine, specifically a composite double-action button attaching machine. Background Technology

[0002] Currently, when attaching button-shaped buttons (commonly known as eyelet buttons), the button-attaching machine usually completes the process in two steps: punching a hole and then attaching the button. This requires the button-attaching machine to have a button-attaching punch and a hole-punching punch, and the drive mechanism also needs to have two sets of punches to drive the button-attaching punch and the hole-punching punch respectively. The structure of the button-attaching machine is relatively complex, and the two impact operations also reduce work efficiency.

[0003] To this end, the applicant designed a composite linkage double-action fastening machine, including a frame, a drive motor at the top of the frame, a drive cam on the output shaft of the drive motor, the drive cam having a first output shaft and a second output shaft, the phase angle of the second output shaft lagging behind the phase angle of the first output shaft, an upper end of a drive arm sleeved on the second output shaft, the lower end of the drive arm connected to a fastening sleeve rod, the fastening sleeve rod being connected to the frame through a longitudinal guide mechanism, the fastening sleeve rod having a guide hole axially penetrating the fastening sleeve rod; the first output shaft being movably connected to a punching rod through a connecting rod, the lower part of the punching rod being accommodated in the guide hole; the lower ends of the punching rod and the fastening sleeve rod having a punching punch and a fastening punch, respectively, and a fastening mold being provided on the base of the frame directly below the punching rod and the fastening sleeve rod.

[0004] The above-mentioned structure connects the buckle sleeve rod and the punch rod through the drive arm and the connecting rod, respectively. The structure is not simple enough. There is a movable connection between the upper and lower ends of the drive arm and the connecting rod. After a period of use, the gap increases and noise will be generated. Utility Model Content

[0005] The purpose of this invention is to provide a composite double-action button-attaching machine, in which the button-attaching sleeve rod and the punching rod are directly driven by dual output cams, eliminating the need for the intermediate drive arm and connecting rod, and thus featuring a more compact structure and higher transmission efficiency.

[0006] To achieve the above objectives, the following technical solution is adopted: A composite double-action button-attaching machine includes a frame, a drive motor mounted on the frame, and a drive cam sleeved on the output shaft of the drive motor. The drive cam is a double-cam structure with a first cam and a second cam. The phase angle of the output portion of the first cam lags behind the phase angle of the output portion of the second cam. A button-attaching sleeve is connected to the frame via a longitudinal guide mechanism and located below the first cam. The upper end of the button-attaching sleeve abuts against the outer edge of the first cam. A first reset mechanism is provided between the button-attaching sleeve and the frame. The first reset mechanism applies a force to the button-attaching sleeve towards the second cam, ensuring that the upper end of the button-attaching sleeve is always aligned with the second cam. The outer edge of the first cam abuts against each other; the fastener sleeve is provided with a guide hole that axially penetrates the fastener sleeve; a punching rod is located below the second cam, and the lower part of the punching rod is accommodated in the guide hole, the upper end of the punching rod abuts against the outer edge of the second cam, and a second reset mechanism is also provided between the punching rod and the fastener sleeve or the frame, the second reset mechanism applies a force to the punching rod to move in the direction of the second cam and makes the upper end of the punching rod always abut against the outer edge of the second cam; the lower ends of the punching rod and the fastener sleeve are respectively provided with a punching punch and a fastening punch, and a fastening mold is also provided on the base of the frame directly below the punching rod and the fastener sleeve.

[0007] The longitudinal guide mechanism includes a longitudinal slide rail and a slider, with the pin buckle sleeve fixedly connected to the slider, and the longitudinal slide rail fixedly connected to the frame.

[0008] A fastening mechanism is provided on one side of the frame. The fastening mechanism has a fastening slide rail, which is hinged to the fastening mechanism. The upper end of the fastening slide rail corresponds to the output end of the fastening mechanism, and the lower end of the fastening slide rail is located directly below the fastening sleeve rod and directly above the fastening mold. A linkage abutment is provided in the middle of the fastening slide rail. The slider has an inclined surface corresponding to the linkage abutment. An automatic reset mechanism is provided between the fastening slide rail and the fastening mechanism. The automatic reset mechanism drives the linkage abutment of the fastening slide rail to abut against the inclined surface.

[0009] The lower end of the feed rail is provided with a punch rod clearance groove, the width of which is greater than the outer diameter of the punch rod.

[0010] The upper ends of the snap-fit ​​sleeve rod and the punch rod are provided with pivot parts, and rollers are pivotally connected to the pivot parts. The upper ends of the snap-fit ​​sleeve rod and the punch rod abut against the outer edges of the first cam and the second cam through the rollers.

[0011] The first reset mechanism is a tension spring, with one end connected to a snap-fit ​​sleeve or slider and the other end connected to the frame.

[0012] The second reset mechanism is a spring, which is sleeved on the upper part of the punching rod. The lower end of the spring abuts against the upper port of the guide hole of the buckle rod, and the upper end of the spring abuts against the bottom of the pivot part at the upper end of the punching rod.

[0013] This invention utilizes a drive motor to roll against the buckle sleeve and punching rod respectively through a double cam structure. By using the output of one cam in the double cam structure to lag behind the output of the other cam, the punching action is performed before the buckling action of the buckle sleeve. The buckling action is performed after the punching is completed, so that punching and buckling are completed in one step. Compared with the existing structure, it has the characteristics of more compact structure and higher transmission efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the internal structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of this utility model from another perspective. Detailed Implementation

[0015] like Figure 1-2 As shown, a composite double-action button-attaching machine includes a frame 1, a drive motor 2 mounted on the frame 1, and a drive cam 3 sleeved on the output shaft of the drive motor 2. The drive cam 3 is a double-cam structure with a first cam 31 and a second cam 32. The phase angle of the output part of the first cam lags behind the phase angle of the output part of the second cam. A button-attaching sleeve 4 is connected to the frame 1 via a longitudinal guide mechanism 6 and is located below the first cam 31. The longitudinal guide mechanism 6 includes a longitudinal slide rail 61 and a slider 62. The button-attaching sleeve 4 is fixedly connected to the slider 62, and the longitudinal slide rail 61 is fixedly connected to the frame 1. The upper end of the button-attaching sleeve 4 abuts against the outer edge of the first cam 31, and the button is attached. The sleeve rod 4 and the frame 1 are provided with a first reset mechanism. The first reset mechanism applies a force to the snap-on sleeve rod 4 to move it in the direction of the first cam 31, so that the upper end of the snap-on sleeve rod 4 always abuts against the outer edge of the first cam 31. The snap-on sleeve rod 4 is provided with a guide hole 41 that axially penetrates the snap-on sleeve rod. The first reset mechanism is a tension spring 42. One end of the tension spring 42 is connected to the snap-on sleeve rod 4 or the slider 62, and the other end is connected to the frame 1. The upper ends of the snap-on sleeve rod 4 and the punch rod 5 are provided with a pivot part 51. A roller 52 is pivotally connected to the pivot part 51. The upper ends of the snap-on sleeve rod 4 and the punch rod 5 abut against the outer edge of the first cam 31 and the second cam 32 through the roller 52.

[0016] A punch rod 5 is located below the second cam 32, and the lower part of the punch rod 5 is housed in the guide hole 41. The upper end of the punch rod 5 abuts against the outer edge of the second cam 32. A second reset mechanism is also provided between the punch rod 5 and the snap fastener sleeve 4 or the frame 1. The second reset mechanism applies a force to the punch rod 5 to move in the direction of the second cam 32, so that the upper end of the punch rod 5 always abuts against the outer edge of the second cam 32. The second reset mechanism is a spring 53, which is sleeved on the upper part of the punch rod 5. The lower end of the spring 53 abuts against the upper port of the guide hole 41 of the snap fastener sleeve 4, and the upper end of the spring 53 abuts against the bottom of the pivot part 51 at the upper end of the punch rod 5.

[0017] The lower ends of the punching rod 5 and the snap fastener sleeve rod 4 are respectively provided with punching punch 7 and snap fastener punch 8. On the base 11 of the frame 1, directly below the punching rod 5 and the snap fastener sleeve rod 4, there is also a snap fastener mold 9.

[0018] A buckle feeding mechanism 10 is provided on one side of the frame 1. The buckle feeding mechanism 10 has a buckle feeding slide rail 101, which is hinged to the buckle feeding mechanism 10. The upper end of the buckle feeding slide rail 101 corresponds to the output end of the buckle feeding mechanism 10. The lower end of the buckle feeding slide rail 101 is located directly below the buckle sleeve rod 4 and directly above the buckle mold 9. A linkage abutment part 102 is provided in the middle of the buckle feeding slide rail 101. The slider 62 has an inclined surface 63 corresponding to the linkage abutment part 102. An automatic reset mechanism is provided between the buckle feeding slide rail 101 and the buckle feeding mechanism 10. The automatic reset mechanism drives the linkage abutment part 102 of the buckle feeding slide rail 101 to abut against the inclined surface 63. A punch rod 5 and punching punch 7 clearance groove is provided at the lower end of the buckle feeding slide rail 101. The width of the clearance groove is greater than the outer diameter of the punch rod 5 and punching punch 7.

[0019] When this utility model is working, the drive motor drives the synchronous rotation of two coaxial cams. The phase angle of the output part of the first cam lags behind the phase angle of the output part of the second cam. Therefore, the second cam will first press the punching punch 7 down onto the workpiece to complete the punching operation. Then, the snapping punch 8 will immediately snap the button at the lower end of the sliding rail 101 together with the button at the punching point of the workpiece to complete the snapping operation. After completion, the punching rod 5, the punching punch 7, the snapping sleeve rod 4, and the snapping punch 8 will automatically reset under the action of the spring 53 and the retaining spring 42, and wait for the next action.

[0020] This invention utilizes a drive motor to roll against the buckle sleeve and punching rod respectively through a double cam structure. By using the output of one cam in the double cam structure to lag behind the output of the other cam, the punching action is performed before the buckling action of the buckle sleeve. The buckling action is performed after the punching is completed, so that punching and buckling are completed in one step. Compared with the existing structure, it has the characteristics of more compact structure and higher transmission efficiency.

Claims

1. A composite double-action button fastener, comprising a frame (1), a drive motor (2) mounted on the frame (1), and a drive cam (3) mounted on the output shaft of the drive motor (2), characterized in that: The drive cam (3) is a double cam structure with a first cam (31) and a second cam (32). The phase angle of the output part of the first cam lags behind the phase angle of the output part of the second cam. A snap-fit ​​sleeve (4) is connected to the frame (1) through a longitudinal guide mechanism (6) and is located below the first cam (31). The upper end of the snap-fit ​​sleeve (4) abuts against the outer edge of the first cam (31). The snap-fit ​​sleeve (4) and the frame (1) are provided with a first reset mechanism. The first reset mechanism applies a force to the snap-fit ​​sleeve (4) to move in the direction of the first cam (31) and makes the upper end of the snap-fit ​​sleeve (4) always abut against the outer edge of the first cam (31). The snap-fit ​​sleeve (4) is provided with a guide hole (41) that axially penetrates the snap-fit ​​sleeve. A punching rod (5) is located below the second cam (32), and the lower part of the punching rod (5) is housed in the guide hole (41). The upper end of the punching rod (5) abuts against the outer edge of the second cam (32). A second reset mechanism is also provided between the punching rod (5) and the snap fastener sleeve (4) or the frame (1). The second reset mechanism applies a force to the punching rod (5) to move in the direction of the second cam (32) and makes the upper end of the punching rod (5) always abut against the outer edge of the second cam (32). The lower ends of the punching rod (5) and the snap fastener sleeve (4) are respectively provided with a punching punch (7) and a snap fastener punch (8). A snap fastener mold (9) is also provided on the base (11) of the frame (1) directly below the punching rod (5) and the snap fastener sleeve (4).

2. The composite double-action button-attaching machine as described in claim 1, characterized in that: The longitudinal guide mechanism (6) includes a longitudinal slide rail (61) and a slider (62). The snap-lock rod (4) is fixedly connected to the slider (62), and the longitudinal slide rail (61) is fixedly connected to the frame (1).

3. The composite double-action button-attaching machine as described in claim 2, characterized in that: A buckle feeding mechanism (10) is provided on one side of the frame (1). The buckle feeding mechanism (10) has a buckle feeding slide rail (101). The buckle feeding slide rail (101) is hinged to the buckle feeding mechanism (10). The upper end of the buckle feeding slide rail (101) corresponds to the output end of the buckle feeding mechanism (10). The lower end of the buckle feeding slide rail (101) is located directly below the buckle sleeve rod (4) and directly above the buckle mold (9). A linkage abutment part (102) is provided in the middle of the buckle feeding slide rail (101). The slider (62) has an inclined surface (63) at the part corresponding to the linkage abutment part (102). An automatic reset mechanism is provided between the buckle feeding slide rail (101) and the buckle feeding mechanism (10). The automatic reset mechanism drives the linkage abutment part (102) of the buckle feeding slide rail (101) to abut against the inclined surface (63).

4. A composite double-action button-attaching machine as described in claim 3, characterized in that: The lower end of the feed rail (101) is provided with a punch rod (5) and a punch punch (7) clearance groove, the width of which is greater than the outer diameter of the punch rod (5) and the punch punch (7).

5. A composite double-action button-attaching machine as described in claim 1, characterized in that: The upper ends of the snap-fit ​​sleeve (4) and the punch rod (5) are provided with a pivot part (51), and a roller (52) is pivotally connected to the pivot part (51). The upper ends of the snap-fit ​​sleeve (4) and the punch rod (5) abut against the outer edge of the first cam (31) and the second cam (32) through the roller (52).

6. A composite double-action button fastener as described in claim 1, characterized in that: The first reset mechanism is a tension spring (42), one end of which is connected to the buckle sleeve (4) or the slider (62), and the other end is connected to the frame (1).

7. A composite double-action button-attaching machine as described in claim 1, characterized in that: The second reset mechanism is a spring (53). The spring (53) is sleeved on the upper part of the punch rod (5). The lower end of the spring (53) abuts against the upper port of the guide hole (41) of the buckle sleeve rod (4), and the upper end of the spring (53) abuts against the bottom of the pivot part (51) at the upper end of the punch rod (5).

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