Edge folding mechanism for laser bag opening machine

Abstract

The utility model discloses an edge folding mechanism for a laser bag opening machine, which relates to the technical field of sewing machines, and comprises an edge folding mechanism matched with a frame pressing mechanism, and the edge folding mechanism comprises a transverse edge folding module controlled by a transverse motor and a longitudinal edge folding module controlled by a longitudinal motor; the transverse edge folding module and the longitudinal edge folding module are arranged in a perpendicularly crossed mode, and a lifting driving module is arranged above or below the crossed position of the transverse edge folding module and the longitudinal edge folding module. According to the utility model, the transverse edge folding module and the longitudinal edge folding module are vertically crossed, and the lifting driving module is arranged above or below the crossed part of the transverse edge folding module and the longitudinal edge folding module, so that the structure layout is compact, and the occupied space is smaller. And the transverse edge folding module is controlled by only one transverse motor, and the longitudinal edge folding module is controlled by only one longitudinal motor, so that the automatic edge folding device is better in synchronism and higher in accuracy.

Description

Technical Field

[0001] This utility model belongs to the field of sewing machine technology, specifically to a folding mechanism for a laser bag opening machine. Background Technology

[0002] A bag-opening machine, also known as a bag-opening sewing machine, is a sewing machine specifically designed for sewing open bag openings. It is mainly used in the clothing and bag industries for sewing pockets, zippers, and other parts. A laser bag-opening machine, on the other hand, uses a high-energy laser beam to cut the bag. After the laser beam is focused through an optical path system, it shines on the bag, causing the bag material to melt or vaporize instantly, thus achieving the cutting effect.

[0003] Existing laser bag opening machines typically include a cutting device, a sewing device, a folding device, and a frame-pressing device adapted to the folding device. The cutting device is mainly used to cut the fabric and make "H" or "Y" shaped slits in the bag opening area. The frame-pressing device is mainly used to tension and transfer the fabric. The folding device is mainly used to fold the cut bag opening inward to form a folded edge. Finally, the zipper or bag lip is placed on the folded edge and sewn together using the sewing device.

[0004] However, existing laser bag opening machines typically require two motors to drive the folding mechanism at each end when folding the two ends in the same direction. Since the bag opening is generally rectangular, a motor or cylinder needs to be symmetrically installed at both ends along the length and at both ends along the width, resulting in four motors or cylinders driving the folding mechanism synchronously. If the folding mechanism is lowered closer to the worktable, another motor or cylinder is needed, bringing the total to at least five motors or cylinders.

[0005] This method of achieving synchronized movement through multiple motors or cylinders introduces a very small reaction delay, which accumulates and amplifies over time. Furthermore, this delay increases with the lifespan of the motors or cylinders, resulting in poor synchronization, insufficient precision, and high debugging difficulty in the existing laser bag opening machine's bag folding device. Structurally, it also occupies a large installation space and is not compact enough. Utility Model Content

[0006] To address the problems of existing bag opening folding devices in laser bag opening machines, which typically require multiple drive motors to move the folding structures closer or further apart when folding the two ends in the same direction, resulting in poor synchronization, insufficient flexibility, low precision, difficult debugging, and large installation space requirements, this invention provides a folding mechanism for laser bag opening machines.

[0007] The technical solution adopted by this utility model is as follows: A folding mechanism for a laser bag opening machine is set above an operating table with a frame pressing mechanism. It includes a folding mechanism adapted to the frame pressing mechanism. The folding mechanism includes a horizontal folding module controlled by a horizontal motor and a vertical folding module controlled by a vertical motor. The horizontal folding module and the vertical folding module are arranged perpendicularly to each other. Above or below the intersection of the horizontal folding module and the vertical folding module, a lifting drive module is provided for driving the horizontal folding module and the vertical folding module to move up and down as a whole. The output end of the horizontal motor is driven by a first bidirectional lead screw, which drives two horizontal folding cutters in the horizontal folding module to move synchronously closer to or further away from each other. The output end of the vertical motor is driven by a second bidirectional lead screw, which drives two vertical folding cutters in the vertical folding module to move synchronously closer to or further away from each other.

[0008] Furthermore, the lifting drive module includes a second lifting cylinder mounted on the laser bag opening machine via a mounting plate, and a push plate connected to the extended end of the second lifting cylinder. The push plate is slidably connected to the mounting plate via a slider and a slide rail. The slider is mounted on the push plate, and the slide rail is mounted on the mounting plate.

[0009] Furthermore, a first support plate is installed on the push plate, a transverse folding module is arranged transversely on the first support plate, a second support plate is installed vertically on the first support plate, and a longitudinal folding module is arranged longitudinally on the second support plate.

[0010] Furthermore, the transverse folding module includes a transverse motor mounted on the first support plate, and a first bidirectional lead screw rotatably connected to the first support plate. Two first lead screw sliders with opposite rotation directions are connected to the first bidirectional lead screw. The two first lead screw sliders are respectively connected to two transverse folding cutters through a second connecting plate. The second connecting plate is slidably connected to the first support plate through the cooperation of the sliders and the slide rail. The sliders are mounted on the second connecting plate, and the slide rails are mounted on the first support plate.

[0011] Furthermore, a third lifting cylinder for driving the transverse folding cutter to move up and down is also installed on the second connecting plate. The transverse folding cutter is slidably connected to the second connecting plate through the cooperation of a slider and a slide rail. The slider is installed on the transverse folding cutter, and the slide rail is installed on the second connecting plate.

[0012] Furthermore, the longitudinal folding module includes a longitudinal motor mounted on the second support plate, and a second bidirectional lead screw rotatably connected to the second support plate. Two second lead screw sliders with opposite rotation directions are connected to the second bidirectional lead screw. The two second lead screw sliders are respectively connected to two longitudinal folding cutters through a third connecting plate. The third connecting plate is slidably connected to the second support plate through the cooperation of the sliders and the slide rail. The sliders are mounted on the second support plate, and the slide rails are mounted on the third connecting plate.

[0013] Furthermore, the third connecting plate is also equipped with a fourth lifting cylinder for driving the longitudinal folding cutter to move up and down. The longitudinal folding cutter is slidably connected to the third connecting plate through the cooperation of a slider and a slide rail. The slider is installed on the longitudinal folding cutter, and the slide rail is installed on the third connecting plate.

[0014] Furthermore, the pressing mechanism includes a pressing plate for pressing the fabric at the laser-cut edge, and a first lifting cylinder for driving the pressing plate to move up and down. The first lifting cylinder is installed on the operating table, and the pressing plate is installed on the first lifting cylinder through a connecting plate. The connecting plate is slidably connected to the operating table through the cooperation of a slider and a slide rail. The slider is installed on the connecting plate, and the slide rail is installed on the operating table.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0016] This folding mechanism for a laser bag-opening machine arranges the horizontal and vertical folding modules perpendicularly, with the lifting drive module positioned above or below the intersection of the two modules, allowing the entire folding mechanism to be lowered. This design results in a compact structure, smaller installation space, and wider applicability. Furthermore, the horizontal folding module is controlled by only one horizontal motor, driving a first bidirectional lead screw to synchronize the movement of the two horizontal folding cutters, moving them closer or further apart. This differs from existing technologies where two motors are interlocked to drive the two horizontal folding cutters synchronously. Similarly, the vertical folding module is controlled by only one vertical motor, driving a second bidirectional lead screw to synchronize the movement of the two vertical folding cutters, moving them closer or further apart. This also differs from existing technologies where two motors are interlocked to drive the two vertical folding cutters synchronously. Fewer motors result in better synchronization and higher precision, meeting higher usage requirements, and simplifying structural adjustments. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 A three-dimensional structural diagram of the operating table and pressing frame mechanism provided in this embodiment of the utility model;

[0019] Figure 2 A three-dimensional structural diagram of the folding mechanism and lifting drive module provided in the embodiments of this utility model;

[0020] Figure 3 for Figure 2 A three-dimensional structural diagram of the lifting module;

[0021] Figure 4 for Figure 2 A three-dimensional structural diagram of the horizontal folding edge module;

[0022] Figure 5 for Figure 4 Rear view;

[0023] Figure 6 for Figure 2 A three-dimensional structural diagram of the longitudinal folding edge module;

[0024] Figure 7 for Figure 6 side view.

[0025] 1. Control panel;

[0026] 2. Frame pressing mechanism; 201. Pressing plate; 202. First lifting cylinder; 203. First connecting plate;

[0027] 3. Folding mechanism;

[0028] 4. Horizontal folding module; 401. First support plate; 402. Horizontal motor; 403. First bidirectional lead screw; 404. First lead screw slider; 405. Second connecting plate; 406. Horizontal folding cutter; 407. Third lifting cylinder;

[0029] 5. Longitudinal folding module; 501. Second support plate; 502. Longitudinal motor; 503. Second bidirectional lead screw; 504. Second lead screw slider; 505. Third connecting plate; 506. Longitudinal folding cutter; 507. Fourth lifting cylinder;

[0030] 6. Lifting drive module; 601. Mounting plate; 602. Second lifting cylinder; 603. Push plate. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0033] In the description of this utility model, it should be noted that if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0034] The following is combined with Figures 1-7 This utility model will be described in detail.

[0035] Example

[0036] like Figure 1 and Figure 2 As shown, a folding mechanism for a laser bag opening machine is disposed above an operating table 1 with a pressing frame mechanism 2. It includes a folding mechanism 3 adapted to the pressing frame mechanism 2. The folding mechanism 3 includes a horizontal folding module 4 controlled by a horizontal motor 402 and a vertical folding module 5 controlled by a vertical motor 502. The output end of the horizontal motor 402 is connected to a first bidirectional lead screw 403, which drives two horizontal folding cutters 406 in the horizontal folding module 4 to move synchronously closer to or further away from each other. The output end of the vertical motor 502 is connected to a second bidirectional lead screw 503, which drives two vertical folding cutters 506 in the vertical folding module 5 to move synchronously closer to or further away from each other.

[0037] The horizontal folding module 4 and the vertical folding module 5 are arranged perpendicularly to each other. A lifting drive module 6 is positioned above or below the intersection of the horizontal and vertical folding modules 4 and 5 to drive the overall vertical movement of both modules. When the vertical folding module 5 is below the horizontal folding module 4, the lifting drive module 6 is positioned above the intersection; when the vertical folding module 5 is above the horizontal folding module 4, the lifting drive module 6 is positioned below the intersection. Those skilled in the art can select the appropriate module based on the specific circumstances.

[0038] like Figure 2 As shown, the lifting drive module 6 is positioned above the intersection of the horizontal folding module 4 and the vertical folding module 5. This arrangement makes the structure of this invention more compact and occupies less space.

[0039] like Figure 3 As shown, the lifting drive module 6 includes a second lifting cylinder 602 mounted on the laser bag-opening machine via a mounting plate 601, and a push plate 603 connected to the extended end of the second lifting cylinder 602. The push plate 603 is slidably connected to the mounting plate 601 via a slider and a slide rail. The slider is mounted on the push plate 603, and the slide rail is mounted on the mounting plate 601. By providing a slider and slide rail between the push plate 603 and the mounting plate 601, when the second lifting cylinder 602 applies force to the push plate 603, the slider on the push plate 603 can move vertically up and down along the slide rail on the mounting plate 601, thus providing a limiting function.

[0040] like Figure 2 and Figure 3 As shown, a first support plate 401 is mounted on the push plate 603. A transverse folding module 4 is arranged transversely on the first support plate 401. A second support plate 501 is vertically mounted on the first support plate 401. A longitudinal folding module 5 is arranged longitudinally on the second support plate 501. The push plate 603 pushes the first support plate 401 and the second support plate 501 mounted on the first support plate 401 to move vertically up and down as a whole, thereby causing the transverse folding module 4 on the first support plate 401 and the longitudinal folding module 5 on the second support plate 501 to rise or fall vertically as a whole.

[0041] like Figure 4 and Figure 5As shown, the transverse folding module 4 includes a transverse motor 402 mounted on a first support plate 401, and a first bidirectional lead screw 403 rotatably connected to the first support plate 401. Two first lead screw sliders 404 with opposite rotation directions are connected to the first bidirectional lead screw 403. The two first lead screw sliders 404 are respectively connected to two transverse folding cutters 406 via a second connecting plate 405. The two transverse folding cutters 406 are symmetrically arranged. The second connecting plate 405 is slidably connected to the first support plate 401 through the cooperation of the sliders and slide rails. The sliders are mounted on the second connecting plate 405, and the slide rails are mounted on the first support plate 401.

[0042] By utilizing the cooperation of a horizontal motor 402, a first bidirectional lead screw 403, and two first lead screw sliders 404 with opposite rotation directions, the two horizontal folding cutters 406 are brought closer or further apart. This movement drives the horizontal folding cutters 406, which are connected to the first lead screw sliders 404 via a second connecting plate 405, to move closer or further apart, performing horizontal folding synchronously. This method differs from existing technologies that use two motors to control the two horizontal folding cutters 406 separately, with the horizontal motor 402 driving the first bidirectional lead screw 403. It offers better synchronization, higher precision, and lower maintenance costs.

[0043] Furthermore, by setting a slider rail between the second connecting plate 405 and the first support plate 401 on the first lead screw slider 404, when the transverse motor 402 starts, the first bidirectional lead screw 403 rotates, driving the two first lead screw sliders 404 with opposite rotation directions to rotate. However, since the second connecting plate 405 on the first lead screw slider 404 is equipped with a slider, this slider is limited by the rail on the first support plate 401, and the first lead screw slider 404 changes from rotational motion to linear motion along the rail on the first support plate 401. Finally, the first lead screw slider 404 drives the transverse bending cutter 406 on the second connecting plate 405 to move linearly. Since the two first lead screw sliders 404 have opposite rotation directions, the two transverse cutters 406 move closer or further apart along the rail on the first support plate 401.

[0044] like Figure 4 and Figure 5As shown, a third lifting cylinder 407 for driving the horizontal folding cutter 406 to move up and down is also installed on the second connecting plate 405. The horizontal folding cutter 406 is slidably connected to the second connecting plate 405 through the cooperation of a slider and a slide rail. The slider is installed on the horizontal folding cutter 406, and the slide rail is installed on the second connecting plate 405. By setting the third lifting cylinder 407 on the second connecting plate 405, the horizontal folding cutter 406 can be lowered when folding is needed and raised when folding is not needed, thus avoiding interference with the operating table 1 below. Similarly, by setting a slider and slide rail between the horizontal folding cutter 406 and the second connecting plate 405 for limiting, vertical upward or downward movement is ensured.

[0045] like Figure 6 and Figure 7 As shown, the longitudinal folding module 5 includes a longitudinal motor 502 mounted on a second support plate (501) and a second bidirectional lead screw 503 rotatably connected to the second support plate 501. Two second lead screw sliders 504 with opposite rotation directions are connected to the second bidirectional lead screw 503. The two second lead screw sliders 504 are respectively connected to two longitudinal folding cutters 506 via a third connecting plate 505. The two longitudinal folding cutters 506 are symmetrically arranged. The third connecting plate 505 is slidably connected to the second support plate 501 through the cooperation of the sliders and the slide rail. The sliders are mounted on the second support plate 501, and the slide rails are mounted on the third connecting plate 505.

[0046] By utilizing the cooperation of a longitudinal motor 502, a second bidirectional lead screw 503, and two second lead screw sliders 504 with opposite rotation directions, the two second lead screw sliders 504 are moved closer or further apart, thereby driving the longitudinal bending cutter 506, which is connected to the second lead screw sliders 504 via a third connecting plate 505, to move closer or further apart, performing longitudinal bending synchronously. Unlike existing technologies that use two motors to separately control the two longitudinal bending cutters 506, the method of the longitudinal motor 502 driving the second bidirectional lead screw 503 offers better synchronization, higher precision, and lower maintenance costs.

[0047] Furthermore, by setting a slide rail slider between the third connecting plate 505 on the second lead screw slider 504 and the second support plate 501, the second bidirectional lead screw 503 rotates when the longitudinal motor 502 starts, driving the two second lead screw sliders 504 with opposite rotation directions to rotate. However, since the third connecting plate 505 on the second lead screw slider 504 is equipped with a slide rail, this slide rail is limited by the slider on the second support plate 501, and the second lead screw slider 504 changes from rotational motion to linear motion along the slider on the second support plate 501. Finally, the second lead screw slider 504 drives the longitudinal bending cutter 506 on the third connecting plate 505 to move linearly. Since the two second lead screw sliders 504 have opposite rotation directions, the two longitudinal bending cutters 506 move closer or further apart along the slider on the second support plate 501.

[0048] like Figure 6 and Figure 7 As shown, a fourth lifting cylinder 507 for driving the longitudinal folding cutter 506 to move up and down is also installed on the third connecting plate 505. The longitudinal folding cutter 506 is slidably connected to the third connecting plate 505 through the cooperation of a slider and a slide rail. The slider is installed on the longitudinal folding cutter 506, and the slide rail is installed on the third connecting plate 505. By setting the fourth lifting cylinder 507 on the third connecting plate 505, the longitudinal folding cutter 506 can be lowered when folding work is needed and raised when folding work is not needed, thus avoiding interference with the operating table 1 below. Similarly, by setting a slider and slide rail between the longitudinal folding cutter 506 and the third connecting plate 505 for limiting, vertical upward or downward movement is ensured.

[0049] like Figure 1 As shown, the pressing mechanism 2 includes a pressing plate 201 for pressing the fabric at the laser cutting edge, and a first lifting cylinder 202 for driving the pressing plate 201 to move up and down. The first lifting cylinder 202 is installed on the operating table 1. The pressing plate 201 is installed on the first lifting cylinder 202 through a connecting plate 203. The connecting plate 203 is slidably connected to the operating table 1 through the cooperation of a slider and a slide rail. The slider is installed on the connecting plate 203, and the slide rail is installed on the operating table 1.

[0050] Before the fabric is folded using the folding mechanism 3, it is first pressed by the pressing frame mechanism 2. The first lifting cylinder 202 is activated, causing the slider on the connecting plate 203 to move vertically up and down along the slide rail on the operating table 1, which in turn drives the pressing plate 201 installed on the connecting plate 203 to move vertically up and down to press the fabric.

[0051] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A folding mechanism for a laser bag opening machine, disposed above an operating table (1) with a pressing frame mechanism (2), characterized in that: The device includes a folding mechanism (3) adapted to the pressing mechanism (2). The folding mechanism (3) includes a horizontal folding module (4) controlled by a horizontal motor (402) and a vertical folding module (5) controlled by a vertical motor (502). The horizontal folding module (4) and the vertical folding module (5) are arranged perpendicularly to each other. Above or below the intersection of the horizontal folding module (4) and the vertical folding module (5) are provided for driving the horizontal folding module (4) and the vertical folding module (5) to move up and down as a whole. The lifting drive module (6) is connected to the output end of the horizontal motor (402) via a first bidirectional lead screw (403). The first bidirectional lead screw (403) drives the two horizontal folding cutters (406) in the horizontal folding module (4) to move synchronously closer to or further away from each other. The output end of the vertical motor (502) is connected to a second bidirectional lead screw (503). The second bidirectional lead screw (503) drives the two vertical folding cutters (506) in the vertical folding module (5) to move synchronously closer to or further away from each other.

2. The folding mechanism for a laser bag opening machine according to claim 1, characterized in that: The lifting drive module (6) includes a second lifting cylinder (602) mounted on the laser bag opening machine via a mounting plate (601), and a push plate (603) connected to the extended end of the second lifting cylinder (602). The push plate (603) is slidably connected to the mounting plate (601) via a slider and a slide rail. The slider is mounted on the push plate (603), and the slide rail is mounted on the mounting plate (601).

3. The folding mechanism for a laser bag opening machine according to claim 2, characterized in that: A first support plate (401) is installed on the push plate (603), a transverse folding module (4) is arranged transversely on the first support plate (401), a second support plate (501) is installed vertically on the first support plate (401), and a longitudinal folding module (5) is arranged longitudinally on the second support plate (501).

4. The folding mechanism for a laser bag opening machine according to claim 3, characterized in that: The transverse folding module (4) includes a transverse motor (402) mounted on a first support plate (401) and a first bidirectional lead screw (403) rotatably connected to the first support plate (401). Two first lead screw sliders (404) with opposite rotation directions are connected to the first bidirectional lead screw (403). The two first lead screw sliders (404) are respectively connected to two transverse folding cutters (406) through a second connecting plate (405). The second connecting plate (405) is slidably connected to the first support plate (401) through the cooperation of the slider and the slide rail. The slider is mounted on the second connecting plate (405), and the slide rail is mounted on the first support plate (401).

5. The folding mechanism for a laser bag opening machine according to claim 4, characterized in that: The second connecting plate (405) is also equipped with a third lifting cylinder (407) for driving the transverse folding cutter (406) to move up and down. The transverse folding cutter (406) is slidably connected to the second connecting plate (405) through the cooperation of the slider and the slide rail. The slider is installed on the transverse folding cutter (406), and the slide rail is installed on the second connecting plate (405).

6. The folding mechanism for a laser bag opening machine according to claim 3, characterized in that: The longitudinal folding module (5) includes a longitudinal motor (502) mounted on a second support plate (501) and a second bidirectional lead screw (503) rotatably connected to the second support plate (501). Two second lead screw sliders (504) with opposite rotation directions are connected to the second bidirectional lead screw (503). The two second lead screw sliders (504) are respectively connected to two longitudinal folding cutters (506) through a third connecting plate (505). The third connecting plate (505) is slidably connected to the second support plate (501) through the cooperation of the slider and the slide rail. The slider is mounted on the second support plate (501), and the slide rail is mounted on the third connecting plate (505).

7. The folding mechanism for a laser bag opening machine according to claim 6, characterized in that: The third connecting plate (505) is also equipped with a fourth lifting cylinder (507) for driving the longitudinal folding cutter (506) to move up and down. The longitudinal folding cutter (506) is slidably connected to the third connecting plate (505) through the cooperation of the slider and the slide rail. The slider is installed on the longitudinal folding cutter (506), and the slide rail is installed on the third connecting plate (505).

8. The folding mechanism for a laser bag opening machine according to claim 1, characterized in that: The pressing mechanism (2) includes a pressing plate (201) for pressing the fabric at the laser cutting edge, and a first lifting cylinder (202) for driving the pressing plate (201) to move up and down. The first lifting cylinder (202) is installed on the operating table (1). The pressing plate (201) is installed on the first lifting cylinder (202) through a connecting plate (203). The connecting plate (203) is slidably connected to the operating table (1) through the cooperation of a slider and a slide rail. The slider is installed on the connecting plate (203), and the slide rail is installed on the operating table (1).

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