Laser punching device for luggage accessory production

Abstract

The invention provides a laser punching device for luggage accessory production, which is applied to the technical field of laser punching devices, and is characterized in that the laser punching device comprises a rack, and a supporting mechanism is used for supporting a pipe of a pull rod to be processed; the restoration mechanism is used for restoring the two ends of the pipe on the supporting mechanism; one end of the corrected pipe is aligned with the first clamping mechanism, the other end of the corrected pipe is aligned with the second clamping mechanism, the first clamping mechanism is used for clamping one end of the pipe, the driving mechanism drives the first clamping mechanism and drives the pipe to move, and the second clamping mechanism is used for clamping the pipe. The first clamping mechanism and the second clamping mechanism jointly act to drive the pipe to rotate; the laser punching mechanism is used for punching and cutting the pipe; the pull rod conveying mechanism is used for conveying punched and cut pull rods; the non-contact laser punching device has the technical effects that a non-contact laser processing mode is used for replacing a traditional mechanical punching mode, and the problems of flattening, deformation, hole edge burrs and the like of the pipe are effectively avoided.

Description

Technical Field

[0001] This invention relates to the field of laser punching equipment technology, and in particular to a laser punching equipment for the production of luggage accessories. Background Technology

[0002] Various metal fittings are widely used in luggage products, among which the pull rod used in suitcases is a key component. This pull rod is usually made of hollow aluminum tubing, and its most significant feature is its adjustable length, allowing travelers of different heights to use it comfortably. To achieve this function, pairs of locking holes are usually provided at both ends of the pull rod. These locking holes cooperate with the pre-installed elastic locking pins (such as spring pins) inside the suitcase. When the pull rod is extended to a specific length, the elastic pin will engage with the locking hole, thereby locking and fixing the pull rod. When adjustment or storage is required, the locking is released by pressing a button or other means, allowing the elastic pin to disengage from the hole, and the pull rod can then slide freely.

[0003] Currently, the mainstream processing method for this locking hole is the traditional mechanical punching process. In this process, the punch shears the tube wall of the tie rod under great pressure to form the required through hole. However, since the tie rod itself is a thin-walled hollow structure, its structural rigidity and resistance to deformation are poor. When subjected to the concentrated impact force applied by the punch, the tube is very prone to plastic deformation such as flattening, denting or local twisting. This deformation not only affects the appearance of the product, but also causes the straightness and flatness of the tie rod to decrease.

[0004] Furthermore, the mechanical punching process itself has certain limitations; the punch can tear and stretch the material during impact, resulting in defects such as burrs and micro-cracks on the edges of the processed locking holes, and the roundness, dimensional accuracy, and positional tolerance of the holes are difficult to guarantee precisely; locking holes with low precision will not match the elastic locking pin well, specifically: either the fit is too tight, causing the pulling to be stuck and stiff; or the fit is too loose, producing shaking and abnormal noise, or even accidentally disengaging during normal use.

[0005] Therefore, the existing mechanical punching method has two major drawbacks when producing lock holes for luggage handles: it is easy to cause workpiece deformation and insufficient processing accuracy. These problems directly affect the smoothness of the pull rod assembly and even the entire suitcase, as well as the feel of operation, thus bringing a bad experience to the user. Summary of the Invention

[0006] The purpose of this invention is to provide a laser punching device for the production of bag accessories. Its advantage is that it replaces traditional mechanical punching with a non-contact laser processing method, effectively avoiding problems such as flattening, deformation and burrs on the hole edges of the tube.

[0007] To achieve the above and other related objectives, the present invention provides the following technical solution: a laser punching device for the production of bag accessories, comprising a frame; A support mechanism, which is mounted on the frame and is used to support the tubing to be processed into a tie rod; A straightening mechanism, which is mounted on the frame and is used to straighten both ends of the pipe on the support mechanism; The first clamping mechanism is used to clamp one end of the straightened pipe. The first clamping mechanism is used to clamp one end of the pipe. The frame is equipped with a drive mechanism that drives the first clamping mechanism to slide horizontally back and forth. The second clamping mechanism is used to align the other end of the aligned pipe with the second clamping mechanism. The driving mechanism drives the first clamping mechanism and moves the pipe into the second clamping mechanism. The second clamping mechanism is used to clamp the pipe. The first clamping mechanism and the second clamping mechanism work together to drive the pipe to rotate. A laser punching mechanism, used for punching and cutting pipes; A pull rod conveying mechanism is disposed on one side of the laser punching mechanism and is used to convey the punched and cut pull rod.

[0008] In one embodiment of the present invention, the support mechanism includes a first support cylinder fixed on the frame and a support roller rotatably connected to the piston rod of the first support cylinder. The piston rod of the first support cylinder retracts, and the height of the support roller is lower than the upper plane of the frame; The piston rod of the first support cylinder is released, and the support roller is set at a height higher than the upper plane on the frame.

[0009] In one embodiment of the present invention, the correction mechanism includes a correction frame that slides vertically on the frame, two correction cylinders that slide horizontally on the correction frame, a telescopic frame that is connected to the correction frame in the middle and connected to the two correction cylinders at both ends, and a push-pull cylinder that is fixedly mounted on the correction frame and whose piston rod is fixedly connected to the cylinder body of one correction cylinder. Both of the aforementioned correction cylinders have correction rollers rotatably connected to their piston rods.

[0010] In one embodiment of the present invention, a second support cylinder is fixed on the frame, and the piston rod of the second support cylinder is fixedly connected to the straightening frame; The piston rod of the second support cylinder retracts, and the setting height of the aligning roller is lower than the upper plane of the frame; The piston rod of the second support cylinder is released, and the setting height of the aligning roller is higher than the upper plane on the frame.

[0011] In one embodiment of the present invention, the first clamping mechanism includes a movable frame that is horizontally slidably disposed on a frame, a first driven gear that is rotatably disposed on the movable frame, and a first electric chuck that is fixedly connected to the first driven gear; A first drive motor is fixedly mounted on the mobile frame, and a first drive gear that meshes with a first driven gear is fixedly mounted on the output shaft of the first drive motor.

[0012] In one embodiment of the present invention, the driving mechanism includes a rack fixed on the frame, a second drive motor fixedly mounted on the movable frame, and a second drive gear fixedly connected to the output shaft of the second drive motor.

[0013] In one embodiment of the present invention, the second clamping mechanism includes a fixed frame fixedly mounted on a frame, a third driven gear rotatably mounted on the fixed frame, and a second electric chuck fixedly mounted on the third driven gear; The jaws of the second electric chuck are rotatably equipped with clamping rollers; A third drive motor is fixedly mounted on the fixed frame, and a third drive gear that meshes with a third driven gear is fixedly connected to the output shaft of the third drive motor.

[0014] In one embodiment of the present invention, the fixed frame is provided with a driving component for driving the laser punching mechanism to slide horizontally.

[0015] As described above, the laser punching device for producing bag accessories according to the present invention has the following beneficial effects: The support mechanism supports the tubing to be processed into a pull rod; the alignment mechanism aligns both ends of the tubing on the support mechanism; after alignment, one end of the tubing aligns with the first clamping mechanism and the other end aligns with the second clamping mechanism; the drive mechanism drives the first clamping mechanism to move towards one side of the tubing, clamping one end of the tubing; the drive mechanism continuously drives the first clamping mechanism and moves the tubing into the second clamping mechanism, which clamps the tubing, facilitating the laser punching mechanism to punch and cut the tubing; the first and second clamping mechanisms work together to drive the tubing to rotate, facilitating the laser punching mechanism to punch multiple sides of the tubing and cut the punched tubing, completing the production of the pull rod; the pull rod conveying mechanism conveys the punched and cut pull rods, facilitating automatic unloading of the completed pull rods; the pull rod locking holes are processed with high precision and low stress, fundamentally improving the production quality of luggage accessories. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a top view of the overall structure of an embodiment of the present invention; Figure 3 This is a schematic diagram of the corrective mechanism according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the support mechanism according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of the first clamping mechanism according to an embodiment of the present invention; Figure 6 This is a schematic diagram of the second clamping mechanism structure from the left side of an embodiment of the present invention; Figure 7 This is a schematic diagram of the second clamping mechanism structure from the right side of an embodiment of the present invention.

[0017] Reference numerals: 1. Frame; 2. Support mechanism; 21. First support cylinder; 22. Support roller; 3. Alignment mechanism; 31. Alignment frame; 32. Alignment cylinder; 33. Telescopic frame; 34. Push-pull cylinder; 35. Alignment roller; 36. Second support cylinder; 4. First clamping mechanism; 41. Moving frame; 42. First driven gear; 43. First electric chuck; 44. First drive motor; 45. First drive gear; 5. Second clamping mechanism; 51. Fixed frame; 52. Third driven gear; 53. Second electric chuck; 54. Clamping roller; 55. Third drive motor; 56. Third drive gear; 6. Drive mechanism; 61. Rack; 62. Second drive motor; 63. Second drive gear; 7. Laser punching mechanism; 8. Rod conveying mechanism; 9. Drive assembly. Detailed Implementation

[0018] The following specific embodiments illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0019] Please see Figures 1 to 7 It should be understood that the structures, proportions, sizes, etc., illustrated in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and to facilitate understanding and reading. They are not intended to limit the scope of the invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of the invention, should still fall within the scope of the technical content disclosed in this invention. Furthermore, the terms such as "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of the invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the invention's implementation.

[0020] Please see Figure 1 and Figure 2 The present invention provides a laser punching device for the production of bag accessories, including a frame 1, a support mechanism 2, a straightening mechanism 3, a first clamping mechanism 4, a drive mechanism 6, a second clamping mechanism 5, a laser punching mechanism 7, and a pull rod conveying mechanism 8. The frame 1 serves as the supporting foundation for the entire device, and a horizontal worktable is provided on it for installing various functional components; Please see Figure 1 , Figure 2 and Figure 4 The support mechanism 2 is mounted on the frame 1 and is used to support the pipe to be processed (i.e., the tie rod blank). The support mechanism 2 includes multiple first support air cylinders 21 arranged at intervals along the pipe conveying direction. The piston rod of each first support air cylinder 21 is rotatably connected to a support roller 22. When the piston rod of the first support air cylinder 21 retracts, the height of the support roller 22 is lower than the upper plane of the frame 1 to avoid interfering with the movement or processing of the first clamping mechanism 4. When the piston rod is released, the support roller 22 rises and is higher than the upper plane of the frame 1, thereby lifting the pipe for positioning and conveying.

[0021] Please see Figure 1 , Figure 2 and Figure 3 The alignment mechanism 3 is mounted on the frame 1, located on one side of the support mechanism 2, and is used to correct the position of the pipe. The alignment mechanism 3 includes an alignment frame 31, alignment cylinders 32, telescopic clamps, and push-pull cylinders 34. The alignment frame 31 is vertically slidably mounted on the frame 1. The middle part of the telescopic frame 33 is hinged to the alignment frame 31, and its two ends are respectively hinged to the cylinder bodies of the two alignment cylinders 32. The cylinder bodies of the two alignment cylinders 32 slide between themselves and the alignment frame 31 via slide rails and sliders. The connection is as follows: the piston rods of the two alignment cylinders 32 are rotatably connected to alignment rollers 35, which are located on both sides of the pipe; the cylinder body of the push-pull cylinder 34 is fixed on the alignment frame 31, and its piston rod is fixedly connected to the cylinder body of one of the alignment cylinders 32; when the push-pull cylinder 34 is activated, it can drive the two alignment cylinders 32 to move synchronously towards or away from each other through the telescopic frame 33, thereby causing the two alignment rollers 35 to clamp or release the pipe, thus realizing the alignment of the pipe. A second support cylinder 36 is also fixed on the frame 1, and its piston rod is fixedly connected to the straightening frame 31 to control the overall lifting and lowering of the straightening mechanism 3. When the piston rod of the second support cylinder 36 retracts, the straightening roller 35 is lower than the upper plane of the frame 1 to avoid interfering with the movement or processing of the first clamping mechanism 4. When the piston rod is released, the straightening roller 35 rises and can contact the pipe to straighten the pipe.

[0022] Please see Figure 1 , Figure 2 and Figure 5The first clamping mechanism 4 is used to clamp one end of the pipe. The first clamping mechanism 4 includes a movable frame 41, a first driven gear 42, and a first electric chuck 43. The movable frame 41 is horizontally slidably mounted on the frame 1. The first driven gear 42 is rotatably connected to the movable frame 41 through a bearing. The first electric chuck 43 is coaxial with and fixedly connected to the first driven gear 42. A first drive motor 44 is also bolted to the movable frame 41. A first driving gear 45 that meshes with the first driven gear 42 is fixed on the output shaft of the first drive motor 44. The first electric chuck 43 is used to clamp the end of the pipe. The first drive motor 44 can drive the first electric chuck 43 to rotate through gear transmission.

[0023] The drive mechanism 6 is used to drive the first clamping mechanism 4 to move horizontally as a whole. The drive mechanism 6 includes a rack 61, a second drive motor 62 and a second drive gear 63. The rack 61 is horizontally arranged along the length of the frame 1. The second motor is bolted to the movable frame 41. The second drive gear 63 is fixed on the output shaft of the second drive motor 62. The second drive gear 63 meshes with the rack 61. When the second drive motor 62 rotates, it can drive the movable frame 41 and the first clamping mechanism 4 to move horizontally along the rack 61.

[0024] Please see Figure 1 , Figure 2 , Figure 6 and Figure 7 The second clamping mechanism 5 is used to clamp the other end of the pipe. The second clamping mechanism 5 includes a fixed frame 51, a third driven wheel, and a second electric chuck 53. The fixed frame 51 is bolted to the frame 1 on the side away from the first clamping mechanism 4. The third driven gear 52 is rotatably connected to the fixed frame 51 through a bearing. The second electric chuck 53 is coaxially fixedly connected to the third driven gear 52. The jaw end of the second electric chuck 53 is rotatably provided with a clamping roller 54 through a bearing. The clamping roller 54 is used to reduce damage to the surface of the pipe during clamping. A third drive motor 55 is bolted to the fixed frame 51. A third drive gear 56 that meshes with the third driven gear 52 is fixed to the output shaft of the third drive motor 55. The third drive motor 55 can drive the second electric chuck 53 to rotate through gear transmission. The first clamping mechanism 4 and the second clamping mechanism 5 work together to drive the pipe to rotate.

[0025] The laser punching mechanism 7 includes a laser generator (not shown in the figure) and a laser head. The laser head is mounted on the top of the fixed frame 51 via a drive assembly 9. In this embodiment, the drive assembly 9 can be a linear module used to drive the laser head to move horizontally to adjust the processing position. The laser punching mechanism 7 can accurately position and punch holes in the pipe, perform multi-position processing along the circumference of the pipe, and cut the punched pipe to a fixed length.

[0026] The tie rod conveying mechanism 8 is located on one side of the laser punching mechanism 7. For example, a belt conveyor or roller conveyor can be used. In this embodiment, the tie rod conveying mechanism 8 is a roller conveyor, which is used to automatically convey the processed tie rod to the unloading station.

[0027] Brief description of usage: 1. Feeding and support: The piston rod of the first support cylinder 21 is released, the support roller 22 is raised, and the pipe to be processed is placed on the support roller 22 of the support mechanism 2; 2. Alignment: The piston rod of the second support cylinder 36 is released, pushing the alignment frame 31 to rise, so that the alignment rollers 35 are located on both sides of the pipe; the push-pull cylinder 34 is activated, which drives the two alignment cylinders 32 to move towards each other through the telescopic frame 33, so that the two alignment rollers 35 clamp the pipe from both sides, realizing the alignment of the pipe; after completion, the push-pull cylinder 34 is reset, the alignment rollers 35 release the pipe, the piston rod of the second support cylinder 36 retracts, and the alignment mechanism 3 descends to avoid obstruction; 3. One end clamping: The second drive motor 62 of the drive mechanism 6 starts, and through the meshing of the second drive gear 63 and the rack 61, it drives the moving frame 41 and the first clamping mechanism 4 to move towards the pipe, so that the first electric chuck 43 is aligned with one end of the pipe; the first electric chuck 43 is activated to clamp the end of the pipe. 4. Feeding and clamping at the other end: The drive mechanism 6 continues to drive the first clamping mechanism 4 to move, pushing the pipe towards the second clamping mechanism 5; the second electric chuck 53 actuates, clamping the other end of the pipe through the clamping roller 54; 5. Rotation and punching: The first drive motor 44 and the third drive motor 55 work synchronously, driving the first electric chuck 43 and the second electric chuck 53 to rotate synchronously through gear transmission, thereby causing the tube to rotate around its axis; the laser punching mechanism 7 performs laser punching processing on the designated position of the tube according to the preset program; since the tube can rotate continuously, the laser head can easily punch holes at multiple positions in the circumference of the tube, and the processing process has no mechanical contact, avoiding deformation and burrs; 6. Cutting and blanking: After punching, the laser punching mechanism 7 can also cut the tube to a fixed length to obtain a single finished tie rod; the processed tie rod falls into the tie rod conveying mechanism 8 and is automatically conveyed to the collection area; After the cutting is completed, the drive mechanism 6 drives the first clamping mechanism 4 again and moves the tube forward to the required degree, so that the laser punching mechanism 7 can punch again.

[0028] In summary, this invention replaces traditional mechanical punching with non-contact laser processing, effectively avoiding problems such as flattening, deformation, and burrs on the hole edges of the tubing. It significantly improves the processing accuracy and consistency of the locking holes, thereby enhancing the smoothness of the pull rod assembly and the feel of operation, and improving the user experience of luggage products.

[0029] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A laser punching device for producing bag and luggage accessories, characterized in that: Includes rack (1); Support mechanism (2), which is mounted on the frame (1) and is used to support the tubing of the tie rod to be processed; The straightening mechanism (3) is mounted on the frame (1) and is used to straighten the two ends of the pipe on the support mechanism (2); The first clamping mechanism (4) is used to clamp one end of the straightened pipe. The first clamping mechanism (4) is used to clamp one end of the pipe. The frame (1) is equipped with a mechanism to drive the first clamping mechanism (4) to slide horizontally back and forth. The second clamping mechanism (5) is used to clamp the pipe. The other end of the straightened pipe is aligned with the second clamping mechanism (5). The driving mechanism (6) drives the first clamping mechanism (4) and moves the pipe into the second clamping mechanism (5). The second clamping mechanism (5) is used to clamp the pipe. The first clamping mechanism (4) and the second clamping mechanism (5) work together to drive the pipe to rotate. Laser punching mechanism (7), which is used to punch and cut pipes; A pull rod conveying mechanism (8) is provided on one side of the laser punching mechanism (7) and is used to convey the punched and cut pull rod.

2. The laser punching device for producing bag accessories according to claim 1, characterized in that: The support mechanism (2) includes a first support cylinder (21) fixed on the frame (1) and a support roller (22) rotatably connected to the piston rod of the first support cylinder (21); The piston rod of the first support cylinder (21) retracts, and the setting height of the support roller (22) is lower than the upper plane of the frame (1); The piston rod of the first support cylinder (21) is released, and the setting height of the support roller (22) is higher than the upper plane on the frame (1).

3. The laser punching device for producing bag accessories according to claim 1, characterized in that: The correction mechanism (3) includes a correction frame (31) that slides vertically on the frame (1), two correction cylinders (32) that slide horizontally on the correction frame (31), a telescopic frame (33) that is connected to the correction frame (31) in the middle and connected to the two correction cylinders (32) at both ends, and a push-pull cylinder (34) that is fixedly installed on the correction frame (31) and whose piston rod is fixedly connected to the cylinder body of a correction cylinder (32); The piston rods of both of the aforementioned correction cylinders (32) are rotatably connected to correction rollers (35).

4. The laser punching device for producing bag accessories according to claim 3, characterized in that: A second support cylinder (36) is fixed on the frame (1), and the piston rod of the second support cylinder (36) is fixedly connected to the straightening frame (31); The piston rod of the second support cylinder (36) retracts, and the setting height of the aligning roller (35) is lower than the upper plane of the frame (1); The piston rod of the second support cylinder (36) is released, and the setting height of the aligning roller (35) is higher than the upper plane on the frame (1).

5. The laser punching device for producing bag accessories according to claim 1, characterized in that: The first clamping mechanism (4) includes a movable frame (41) that is horizontally slidably disposed on the frame (1), a first driven gear (42) that is rotatably disposed on the movable frame (41), and a first electric chuck (43) that is fixedly connected to the first driven gear (42); A first drive motor (44) is fixedly mounted on the movable frame (41), and a first drive gear (45) that meshes with the first driven gear (42) is fixedly mounted on the output shaft of the first drive motor (44).

6. The laser punching device for producing bag accessories according to claim 5, characterized in that: The drive mechanism (6) includes a rack (61) fixed on the frame (1), a second drive motor (62) fixed on the movable frame (41), and a second drive gear (63) fixedly connected to the output shaft of the second drive motor (62).

7. The laser punching device for producing bag accessories according to claim 1, characterized in that: The second clamping mechanism (5) includes a fixed frame (51) fixedly mounted on the frame (1), a third driven gear (52) rotatably mounted on the fixed frame (51), and a second electric chuck (53) fixedly mounted on the third driven gear (52); The jaws of the second electric chuck (53) are rotatably equipped with clamping rollers (54); A third drive motor (55) is fixedly mounted on the fixed frame (51), and a third drive gear (56) that meshes with the third driven gear (52) is fixedly connected to the output shaft of the third drive motor (55).

8. The laser punching device for producing bag accessories according to claim 7, characterized in that: The fixed frame (51) is provided with a drive assembly (9) for driving the laser punching mechanism (7) to slide horizontally.

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