Double-sided laser marking machine for denim production

Abstract

The invention discloses a double-sided laser marking machine for denim production, and relates to the technical field of denim production, the double-sided laser marking machine comprises a processing table, a support frame and a top plate, and further comprises two positioning mechanisms arranged at the top of the processing table, each positioning mechanism comprises a first L-shaped frame body, a second L-shaped frame body and four fixing mechanisms, according to the double-sided laser marking machine for denim production, the two sets of positioning mechanisms are arranged on the machining table, so that denim can be vertically clamped and alternately moved to the marking position, the positioning mechanisms are arranged on the machining table, the positioning mechanisms are arranged on the machining table, and therefore the denim production efficiency is improved, and the working efficiency is improved. Double-sided marking can be conducted on denim through laser marking heads arranged on the two sides, marking can be completed without turning over back and forth, the machining efficiency is improved, time and labor are saved, the position and angle of a clamping plate can be adjusted through an adjusting assembly and a rotating assembly in a positioning mechanism, denim of various shapes can be clamped conveniently, and the working efficiency is improved. And the application range is expanded.

Description

Technical Field

[0001] The invention relates to the technical field of denim production, in particular to a double-sided laser marking machine used for denim production. Background Art

[0002] Denim is a thicker yarn-dyed warp twill cotton cloth. The warp yarn is dark in color, generally indigo blue, and the weft yarn is light in color, generally light gray or scoured white yarn. It is also called indigo denim. In the production process of denim, in order to create brand logos, personalized patterns or creative designs, double-sided laser marking machines are usually used to perform fine marking or engraving operations on both sides of the denim. Laser marking technology can produce high-contrast marks on the surface of the fabric without destroying the structure of the fabric. The marks are clear and durable.

[0003] Reference patent application number CN202023134588.X is a denim double-sided laser marking machine, which has a simple overall structure and strong reliability. Unlike the prior art, it uses an interchangeable working platform to exchange the positions of the denim on the first workbench and the second workbench, which greatly improves the processing efficiency. However, the patent has the following shortcomings:

[0004] When double-sided marking is performed on denim, the denim needs to be turned over back and forth to achieve double-sided marking, and it is impossible to mark both sides of the fabric at the same time. The operation is cumbersome, time-consuming and labor-intensive, which reduces production efficiency. In addition, when marking denim, the distance between the laser marking head and the denim cannot be adjusted. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a double-sided laser marking machine for denim production, which solves the problems in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A double-sided laser marking machine for denim production, comprising a processing table, a support frame and a top plate, and also comprising:

[0007] Two positioning mechanisms, both arranged on the top of the processing table, the positioning mechanisms comprising a first L-shaped frame, a second L-shaped frame and four fixing mechanisms, the fixing mechanisms being used to clamp and fix denim fabrics of different shapes;

[0008] A double-rod hydraulic cylinder is arranged below the positioning mechanism through a fixed seat and is used to adjust the distance between the first L-shaped frame and the second L-shaped frame;

[0009] Two laser marking heads are arranged on both sides of the positioning mechanism through a vertical drive assembly;

[0010] The driving assembly is arranged at the bottom of the vertical driving assembly and is used to drive the two laser marking heads to move in relative or opposite directions.

[0011] Preferably, the bottoms of the first L-shaped frame and the second L-shaped frame are fixedly connected with mounting blocks, the two ends of the double-rod hydraulic cylinder are respectively fixedly connected to the surfaces of the two mounting blocks, one side of the first L-shaped frame passes through the interior of the second L-shaped frame, and the top of the processing table is slidably connected to the bottom of the fixed seat through a linear guide rail.

[0012] Preferably, the first L-shaped frame and the second L-shaped frame are both fixedly connected with electric telescopic rods, and one end of the output end of the electric telescopic rod is fixedly connected with a support plate, and one side of the support plate is fixedly connected with a fixing plate.

[0013] Preferably, the fixing mechanism includes an adjusting assembly, a rotating assembly, a frame, a cylinder fixed on both sides of the frame, and a clamping plate fixed on the output end of the cylinder.

[0014] Preferably, the adjusting assembly includes a cylinder, and a fixed shaft is rotatably provided on one side of the inner wall of the cylinder, and one end of the fixed shaft is fixedly connected to a screw rod that penetrates to the outside of the cylinder, the surface of the screw rod is threadedly connected to a hand nut, the surface of the fixed shaft is fixedly connected to a worm, the top of the cylinder is rotatably connected to a threaded rod, and the upper side of the threaded rod is fixedly connected to a worm wheel matched with the worm, a movable sleeve is slidably provided between the two sides of the inner wall of the cylinder via a slider, and the inner wall of the movable sleeve is provided with a threaded groove matched with the threaded rod.

[0015] Preferably, the rotating assembly includes a U-shaped frame fixed to the bottom of the threaded rod, a motor is fixedly connected to one side of the U-shaped frame, and the output end of the motor is fixedly connected to a rotating shaft, the bottom of the rotating shaft is fixedly connected to a support rod, and the bottom end of the support rod is fixedly connected to the top of the frame.

[0016] Preferably, the bottom of the processing table is fixedly connected to a base plate via supporting legs, the driving assembly includes a base fixed to the rear side of the top of the base plate, the bottom of the inner wall of the base is fixedly connected to a dual-axis motor, and the output ends of the dual-axis motor are respectively fixedly connected to a first screw rod and a second screw rod, the surfaces of the first screw rod and the second screw rod are both threadedly connected to a movable block, and the vertical driving assembly is arranged on the top of the movable block.

[0017] Preferably, the laser marking head is slidably connected to the front side of the vertical driving assembly via a control box, and a laser sensor is fixedly connected to the top of the laser marking head.

[0018] Preferably, cleaning mechanisms are provided on both sides of the bottom of the top plate, and the cleaning mechanism includes a vertical plate, and a motor is fixedly connected to one side of the vertical plate, a rotating shaft is fixedly connected to the output end of the motor, and a cleaning sponge is provided on the surface of the rotating shaft through a mounting part.

[0019] Preferably, the mounting member comprises a rotating plate fixed on the surface of the rotating shaft, a Velcro hook surface is adhered to the surface of the rotating plate, and one side of the cleaning sponge is adhered to the Velcro hook surface through the Velcro velvet surface.

[0020] The present invention provides a double-sided laser marking machine for denim production, which has the following beneficial effects:

[0021] (1) The double-sided laser marking machine for denim production can vertically clamp the denim and move it alternately to the marking position by arranging two sets of positioning mechanisms on the processing table. The laser marking heads arranged on both sides can mark the denim on both sides without turning it back and forth, thereby improving the processing efficiency, saving time and labor, and the adjustment component and the rotating component in the positioning mechanism can adjust the position and angle of the clamping plate, so as to adapt to the clamping of denim of various shapes and expand the scope of application.

[0022] (2) When marking denim, the double-sided laser marking machine used in denim production sets the distance between the laser marking head and the fabric according to the thickness of the denim. The laser sensor detects the distance. The external control system drives the two laser marking heads to adjust their positions through the drive assembly based on the detection result, thereby making the laser focus more accurate and improving the marking accuracy.

[0023] (3) When the double-sided laser marking machine used for denim production is in use, the laser marking head can be driven by the driving assembly to move to one side of the cleaning mechanism, so that the cleaning mechanism can clean the dust and impurities on the laser marking head, thereby improving the accuracy of subsequent marking and saving manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the installation of the vertical drive assembly and the laser marking head structure of the present invention;

[0026] Figure 3 It is a schematic diagram of the positioning mechanism structure of the present invention;

[0027] Figure 4 is a side cross-sectional view of a first L-shaped frame structure of the present invention;

[0028] Figure 5 A cross-sectional view of the structure of the regulating assembly of the present invention;

[0029] Figure 6 It is a schematic diagram of the rotating assembly structure of the present invention;

[0030] Figure 7 is a cross-sectional view of the drive assembly structure of the present invention;

[0031] Figure 8 It is a schematic diagram of the installation of the cleaning mechanism structure of the present invention;

[0032] Fig. 9 This is a disassembled diagram of the cleaning sponge structure of the present invention.

[0033] In the figure: 1, processing table; 2, support frame; 3, top plate; 4, first L-shaped frame; 5, second L-shaped frame; 6, fixing mechanism; 61, frame; 62, cylinder; 63, clamping plate; 7, double-rod hydraulic cylinder; 8, laser marking head; 9, driving assembly; 91, base; 92, double-axis motor; 93, first screw rod; 94, second screw rod; 95, movable block; 10, fixed seat; 11, mounting block; 12, linear guide; 13, electric telescopic rod; 14, support plate; 15, fixed plate; 16, Cylinder body; 17. Fixed shaft; 18. Screw; 19. Tightening nut; 20. Worm; 21. Threaded rod; 22. Worm wheel; 23. Slider; 24. Movable sleeve; 25. Threaded groove; 26. U-shaped frame; 27. Motor; 28. Rotating shaft; 29. ​​Support rod; 30. Bottom plate; 31. Laser sensor; 32. Cleaning mechanism; 321. Vertical plate; 322. Motor; 323. Rotating shaft; 324. Cleaning sponge; 33. Rotating plate; 34. Velcro hook surface; 35. Velcro velvet surface. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Embodiment 1

[0036] See also Figures 1 to 4 As shown, the present invention provides a double-sided laser marking machine for denim production, comprising a processing table 1, a support frame 2 fixed on the top of the processing table 1, and a top plate 3 fixed on the top of the support frame 2, and also comprising:

[0037] Two positioning mechanisms are both arranged on the top of the processing table 1, and the positioning mechanisms include a first L-shaped frame 4, a second L-shaped frame 5 and four fixing mechanisms 6, and the fixing mechanisms 6 are used to clamp and fix denim fabrics of different shapes;

[0038] The bottom of the first L-shaped frame 4 and the second L-shaped frame 5 are both fixedly connected with a mounting block 11, and the bottom of the mounting block 11 is slidably connected to the bottom of the inner wall of the fixed seat 10. The two ends of the double-rod hydraulic cylinder 7 are respectively fixedly connected to the surfaces of the two mounting blocks 11. The top of the fixed seat 10 is provided with a through groove adapted to the mounting block 11. One side of the first L-shaped frame 4 penetrates into the interior of the second L-shaped frame 5, which is convenient for adjusting the width between the two frames. The top of the processing table 1 is slidably connected to the bottom of the fixed seat 10 through a linear guide rail 12;

[0039] The linear guide 12 is a prior art, including a guide base, a slider, a guide member and other structures, and is used to provide linear motion. The specific structure and principle thereof will not be described in detail here.

[0040] The first L-shaped frame 4 and the second L-shaped frame 5 are both fixedly connected with an electric telescopic rod 13, and one end of the output end of the electric telescopic rod 13 is fixedly connected with a support plate 14, and one side of the support plate 14 is fixedly connected with a fixing plate 15, and the two fixing mechanisms 6 below are both arranged on the surface of the fixing plate 15, so as to facilitate adjusting the position thereof according to the height of the denim;

[0041] A double-rod hydraulic cylinder 7 is arranged below the positioning mechanism through a fixing seat 10 and is used to adjust the distance between the first L-shaped frame 4 and the second L-shaped frame 5;

[0042] Two laser marking heads 8 are arranged on both sides of the positioning mechanism through a vertical drive assembly, wherein the vertical drive assembly is specifically a housing and a lead screw drive system arranged inside the housing;

[0043] A driving assembly 9 is arranged at the bottom of the vertical driving assembly and is used to drive the two laser marking heads 8 to move in relative or opposite directions;

[0044] The fixing mechanism 6 includes an adjusting component, a rotating component, a frame 61 , a cylinder 62 fixed on both sides of the frame 61 , and a clamping plate 63 fixed on the output end of the cylinder 62 .

[0045] Through the arrangement of the above structure, two sets of positioning mechanisms are arranged on the processing table 1, which can clamp the denim vertically and move it alternately to the marking position. The laser marking heads 8 arranged on both sides can mark the denim on both sides, and the marking can be completed without turning it back and forth, thereby improving the processing efficiency and saving time and effort.

[0046] Embodiment 2

[0047] Based on Example 1, please refer to Figure 3 , Figure 5 and Figure 6As shown, the specific improvements are as follows: the adjustment component includes a cylinder 16, and a fixed shaft 17 is rotatably provided on one side of the inner wall of the cylinder 16, and one end of the fixed shaft 17 is fixedly connected to a screw 18 that penetrates the outside of the cylinder 16, and a hand nut 19 is threadedly connected to the surface of the screw 18 for fixing the screw 18 to prevent the fixed shaft 17 from rotating without the action of external force, a worm 20 is fixedly connected to the surface of the fixed shaft 17, a threaded rod 21 is rotatably connected to the top of the cylinder 16, and a worm wheel 22 matched with the worm 20 is fixedly connected to the upper side of the threaded rod 21, and a movable sleeve 24 is slidably provided between the two sides of the inner wall of the cylinder 16 through a slider 23, and a threaded groove 25 matched with the threaded rod 21 is opened on the inner wall of the movable sleeve 24;

[0048] The rotating assembly includes a U-shaped frame 26 fixed to the bottom of the threaded rod 21, a motor 27 is fixedly connected to one side of the U-shaped frame 26, and a rotating shaft 28 is fixedly connected to the output end of the motor 27, one end of the rotating shaft 28 is rotatably connected to the inner wall of the U-shaped frame 26, a support rod 29 is fixedly connected to the bottom of the rotating shaft 28, and the bottom end of the support rod 29 is fixedly connected to the top of the frame 61.

[0049] Through the arrangement of the above structure, the adjusting component can adjust the positions of the four clamping plates 63 respectively, and the rotating component can adjust the angle of the clamping plate 63, so as to adapt to the fixing of irregularly shaped denim and expand the application scope of the device.

[0050] Embodiment 3

[0051] In conjunction with Example 1 and Example 2, please refer to Figure 1 , Figure 2 and Figure 7 As shown, the specific improvements are as follows: the bottom of the processing table 1 is fixedly connected to the bottom plate 30 through the supporting legs, the driving assembly 9 includes a base 91 fixed to the rear side of the top of the bottom plate 30, and the bottom of the inner wall of the base 91 is fixedly connected to a double-axis motor 92, which refers to a motor with two independent drive shafts, which is used to control movement in two directions at the same time, and the output ends of the double-axis motor 92 are respectively fixedly connected to a first screw rod 93 and a second screw rod 94, the thread directions on the first screw rod 93 and the second screw rod 94 are oppositely arranged, and the surfaces of the first screw rod 93 and the second screw rod 94 are both threadedly connected to a movable block 95, and the vertical driving assembly is arranged on the top of the movable block 95;

[0052] The laser marking head 8 is slidably connected to the front side of the vertical driving assembly through a control box, and a laser sensor 31 is fixedly connected to the top of the laser marking head 8 for real-time detection of the distance between the marking head and the denim.

[0053] Through the setting of the above structure, according to the thickness of the denim, the external control system sets the distance between the laser marking head 8 and the cloth, and then drives the laser marking heads 8 on both sides to move in relative or opposite directions through the driving component 9. The laser sensor 31 detects the distance between the marking head and the denim in real time. The external control system controls the driving component 9 according to the detection result to improve the marking accuracy.

[0054] Embodiment 4

[0055] In conjunction with Embodiments 1 to 3, please refer to Figure 1 , Figure 8 and Fig. 9 As shown, the specific improvements are as follows: cleaning mechanisms 32 are provided on both sides of the bottom of the top plate 3, and the cleaning mechanism 32 includes a vertical plate 321 fixed to the bottom of the top plate 3, and a motor 322 is fixedly connected to one side of the vertical plate 321, and an output end of the motor 322 passes through one end of the vertical plate 321 and is fixedly connected to a rotating shaft 323, and a cleaning sponge 324 is provided on the surface of the rotating shaft 323 through a mounting member;

[0056] The mounting member includes a rotating plate 33 fixed on the surface of the rotating shaft 323 , a Velcro hook surface 34 is adhered to the surface of the rotating plate 33 , and one side of the cleaning sponge 324 is adhered to the Velcro hook surface 34 through a Velcro velvet surface 35 .

[0057] Through the arrangement of the above structure, the cleaning mechanism 32 can clean the dust and impurities on the laser marking head 8, so that the subsequent marking is more accurate, saving manpower and material resources. At the same time, the cleaning sponge 324 can be easily disassembled, replaced and cleaned after use, making it more convenient to use.

[0058] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment compatible with the equipment can be used.

[0059] When in use, according to the width of the denim, the double-rod hydraulic cylinder 7 is started to drive the first L-shaped frame 4 and the second L-shaped frame 5 to move in relative or opposite directions, and the cylinder 62 is started to drive the two clamping plates 63 in the frame 61 to move, first fix the two sides of the top of the denim, and then the electric telescopic rod 13 can drive the clamping plates 63 on both sides to move up and down, clamp the bottom of both sides of the denim, so that the denim is stretched and fixed in the positioning mechanism. During the fixing process, the hand-tightening nut 19 is loosened, and then the screw 18 rotates the fixed shaft 17, so that the worm wheel 22 and the worm 20 drive the screw The threaded rod 21 rotates, and under the sliding guidance of the slider 23, the movable sleeve 24 is driven to move up and down on the threaded rod 21, so as to further adjust the positions of the clamping plates 63 at four places. At the same time, the motor 27 is started to drive the rotating shaft 28 to rotate back and forth. The rotating shaft 28 drives the frame 61 to rotate through the support rod 29, and the angle of the clamping plate 63 can be adjusted to facilitate the fixing of irregular-shaped denim. After the denim is fixed, the two fixing seats 10 can be driven to reciprocate through the linear guide 12, so that the denim on the fixing seat 10 is alternately moved to the marking position;

[0060] According to the thickness of the denim, the external control system sets the distance between the laser marking head 8 and the fabric, and then starts the dual-axis motor 92 to drive the first screw rod 93 and the second screw rod 94 to rotate, and drive the two movable blocks 95 to move in relative or opposite directions on the first screw rod 93 and the second screw rod 94, so that the laser marking heads 8 on both sides are driven to move in relative or opposite directions through the two vertical drive components 9. The laser sensor 31 detects the distance between the marking head and the denim in real time. The external control system controls the drive component 9 according to the detection result to improve the marking accuracy;

[0061] During use, the laser marking head 8 can be driven to move to one side of the cleaning mechanism through the driving component 9 and the vertical driving component, and the motor 322 is started to drive the rotating shaft 323 to rotate. The rotating shaft 323 drives the cleaning sponge 324 to rotate through the mounting part, so as to clean the dust and impurities in front of the laser marking head 8. The setting of the Velcro velvet surface 35 behind the cleaning sponge 324 and the Velcro hook surface 34 on the mounting part makes it easy to tear off and replace the cleaning sponge 324.

[0062] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-sided laser marking machine for denim production, comprising a processing table (1), a support frame (2) and a top plate (3), characterized in that: Also includes: Two positioning mechanisms are both arranged on the top of the processing table (1), the positioning mechanisms comprising a first L-shaped frame (4), a second L-shaped frame (5) and four fixing mechanisms (6), the fixing mechanisms (6) being used to clamp and fix denim fabrics of different shapes; A double-rod hydraulic cylinder (7) is arranged below the positioning mechanism via a fixed seat (10) and is used to adjust the distance between the first L-shaped frame (4) and the second L-shaped frame (5); Two laser marking heads (8) are arranged on both sides of the positioning mechanism through a vertical drive assembly; The driving assembly (9) is arranged at the bottom of the vertical driving assembly and is used to drive the two laser marking heads (8) to move in relative or opposite directions.

2. The double-sided laser marking machine for denim production according to claim 1, characterized in that: The bottoms of the first L-shaped frame (4) and the second L-shaped frame (5) are fixedly connected to mounting blocks (11); the two ends of the double-rod hydraulic cylinder (7) are respectively fixedly connected to the surfaces of the two mounting blocks (11); one side of the first L-shaped frame (4) penetrates into the interior of the second L-shaped frame (5); and the top of the processing table (1) is slidably connected to the bottom of the fixed seat (10) via a linear guide rail (12).

3. The double-sided laser marking machine for denim production according to claim 1, characterized in that: The first L-shaped frame (4) and the second L-shaped frame (5) are both fixedly connected to an electric telescopic rod (13) inside, and one end of the output end of the electric telescopic rod (13) is fixedly connected to a support plate (14), and one side of the support plate (14) is fixedly connected to a fixing plate (15).

4. The double-sided laser marking machine for denim production according to claim 1, characterized in that: The fixing mechanism (6) comprises an adjusting component, a rotating component, a frame (61), a cylinder (62) fixed on both sides of the frame (61), and a clamping plate (63) fixed on the output end of the cylinder (62).

5. The double-sided laser marking machine for denim production according to claim 4, characterized in that: The adjustment assembly comprises a cylinder (16), and a fixed shaft (17) is rotatably provided on one side of the inner wall of the cylinder (16), and one end of the fixed shaft (17) is fixedly connected to a screw (18) penetrating to the outside of the cylinder (16), and a hand nut (19) is threadedly connected to the surface of the screw (18), and a worm (20) is fixedly connected to the surface of the fixed shaft (17), and a threaded rod (21) is rotatably connected to the top of the cylinder (16), and a worm wheel (22) matched with the worm (20) is fixedly connected to the upper side of the threaded rod (21), and a movable sleeve (24) is slidably provided between the two sides of the inner wall of the cylinder (16) through a slider (23), and a threaded groove (25) matched with the threaded rod (21) is opened on the inner wall of the movable sleeve (24).

6. The double-sided laser marking machine for denim production according to claim 5, characterized in that: The rotating assembly comprises a U-shaped frame (26) fixed at the bottom of the threaded rod (21); a motor (27) is fixedly connected to one side of the U-shaped frame (26); an output end of the motor (27) is fixedly connected to a rotating shaft (28); a support rod (29) is fixedly connected to the bottom of the rotating shaft (28); and a bottom end of the support rod (29) is fixedly connected to the top of the frame (61).

7. The double-sided laser marking machine for denim production according to claim 1, characterized in that: The bottom of the processing table (1) is fixedly connected to a bottom plate (30) via supporting legs, the driving assembly (9) comprises a base (91) fixed to the rear side of the top of the bottom plate (30), a double-axis motor (92) is fixedly connected to the bottom of the inner wall of the base (91), and the output ends of the double-axis motor (92) are respectively fixedly connected to a first screw rod (93) and a second screw rod (94), the surfaces of the first screw rod (93) and the second screw rod (94) are both threadedly connected to a movable block (95), and the vertical driving assembly is arranged on the top of the movable block (95).

8. The double-sided laser marking machine for denim production according to claim 1, characterized in that: The laser marking head (8) is slidably connected to the front side of the vertical driving assembly via a control box, and a laser sensor (31) is fixedly connected to the top of the laser marking head (8).

9. The double-sided laser marking machine for denim production according to claim 1, characterized in that: Cleaning mechanisms (32) are provided on both sides of the bottom of the top plate (3), and the cleaning mechanism (32) comprises a vertical plate (321), and a motor (322) is fixedly connected to one side of the vertical plate (321), a rotating shaft (323) is fixedly connected to the output end of the motor (322), and a cleaning sponge (324) is provided on the surface of the rotating shaft (323) via a mounting member.

10. The double-sided laser marking machine for denim production according to claim 9, characterized in that: The mounting member comprises a rotating plate (33) fixed on the surface of a rotating shaft (323), a Velcro hook surface (34) being adhered to the surface of the rotating plate (33), and one side of the cleaning sponge (324) is adhered to the Velcro hook surface (34) via a Velcro velvet surface (35).

Images