A plate work positioning device for a vibrating knife cutting machine

Abstract

The present application belongs to the technical field of vibrating knife cutting machine, especially to a plate workpiece positioning device for vibrating knife cutting machine, which comprises a rack, a three-axis moving module is slidably installed on the rack, a cutting head is slidably installed on the three-axis moving module, two positioning mechanisms vertically distributed are fixedly installed on the top of the rack, the positioning mechanism comprises a guide rail fixed on the top of the rack, a sliding block is slidably installed on the guide rail, and a rectangular positioning strip is rotatably installed on the bottom of the sliding block. The present application can realize positioning and fixing of rectangular plates of various sizes by cooperation of two guide rails and two rectangular positioning strips, prevent deviation of the rectangular plates during cutting, and ensure that the rectangular plates of various thicknesses can be positioned and fixed by the self-adapting clamping mechanisms on the rectangular positioning strips, and ensure that two clamping plates on the clamping mechanisms are always in contact with the top surface and side surface of the rectangular plates.

Description

Technical Field

[0001] This invention relates to the field of vibratory cutter technology, and in particular to a plate workpiece positioning device for a vibratory cutter. Background Technology

[0002] Ultrasonic cutting machines have a wide range of applications. Their unique advantages of low temperature, low force, and clean cuts make them the first choice in many scenarios where traditional cutting methods are difficult to handle. They are often used for cutting some hard and high-strength materials, such as carbon fiber composites, glass fiber composites, aramid, and graphite sheets / graphene sheets. If a transmission cutting tool is used to cut these materials, it is easy to cause burrs and accelerate the wear of the cutting tool.

[0003] For cutting sheet materials such as carbon fiber composites, glass fiber composites, aramid fibers, and graphite sheets / graphene sheets, a sheet workpiece positioning device for vibrating knife cutting machines is proposed to prevent the sheet material from shifting during the cutting process. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, the present invention proposes a plate workpiece positioning device for a vibratory knife cutting machine.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a plate workpiece positioning device for a vibrating knife cutting machine, comprising a frame, a three-axis moving module slidably mounted on the frame, a cutting head slidably mounted on the three-axis moving module, two vertically distributed positioning mechanisms fixedly mounted on the top of the frame, each positioning mechanism including a guide rail fixed on the top of the frame, a slider slidably mounted on the guide rail, and a rectangular positioning strip rotatably mounted on the bottom of the slider. The four sides of the rectangular plate can be positioned and fixed by the two rectangular positioning strips and the two guide rails. Multiple clamping mechanisms linearly distributed are mounted on the top of the rectangular positioning strips. When the rectangular positioning strips rotate to position the sides of the rectangular plate, the multiple clamping mechanisms will position and fix the sides and top surface of the rectangular plate.

[0006] Preferably, a rack is fixedly installed on one side of the guide rail, a traveling gear is rotatably installed below the slider, the traveling gear meshes with the rack, and a reduction motor is fixedly installed on the top of the slider. The output shaft of the reduction motor rotatably passes through the slider and is fixedly connected to the traveling gear.

[0007] Preferably, the slider is rotatably mounted below the guide rail, and the top and bottom surfaces of the slider are flush with the top and bottom surfaces of the guide rail. A second reduction motor is fixedly mounted on the top of the slider. The output shaft of the second reduction motor rotatably passes through the slider and is fixedly connected to the rectangular positioning strip. One end of the rectangular positioning strip has a semi-circular edge coaxial with the output shaft of the second reduction motor.

[0008] Preferably, the clamping mechanism includes a base fixedly installed on the top of the rectangular positioning strip, a rotating shaft rotatably installed through the base, a swing arm rotatably sleeved on the rotating shaft, the rotating shafts of multiple clamping mechanisms being fixedly connected end to end in sequence, a bevel gear being fixedly installed at the end of the rotating shaft near the second reduction motor, an arc-shaped end face gear ring meshing with the bevel gear, and the arc-shaped end face gear ring being embedded and fixed on the slider.

[0009] Preferably, one side of the swing arm is provided with multiple clamping plates, the multiple clamping plates are rotatably connected end to end and a round shaft is rotatably installed at the connection point, and multiple hinge seats are movably installed on both sides of the swing arm, wherein the two ends of several round shafts are rotatably connected to the corresponding hinge seats respectively, and an empty round shaft is provided between two hinge seats located on the same side of the swing arm.

[0010] Preferably, a single guide rod is fixedly installed through multiple hinge seats on the same side of the swing arm, and a single spring is fixedly installed between two adjacent hinge seats, with the spring slidably sleeved on the guide rod.

[0011] Preferably, rectangular blocks are fixedly installed at both ends of the first guide rod, and a second guide rod is slidably installed through the rectangular blocks. Ear plates are fixedly installed at both ends of the second guide rod, and both ear plates are fixedly connected to the swing arm. A second spring is fixedly installed between the second guide rod and the rectangular block and is slidably sleeved on the second guide rod.

[0012] Preferably, an annular block is rotatably mounted through the swing arm, the rotating shaft passes through the annular block and is fixedly connected to the inner wall of the annular block, an annular groove is provided on the side of the annular block, a spiral torsion spring is provided in the annular groove, one end of the spiral torsion spring near the center is fixedly connected to the inner wall of the annular groove, and the other end of the spiral torsion spring away from the center is fixedly connected to the swing arm.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] This invention enables the positioning and fixing of rectangular plates of various sizes through two guide rails and two rectangular positioning strips, preventing them from shifting during the cutting process. Furthermore, the multiple adaptive clamping mechanisms on the rectangular positioning strips ensure that rectangular plates of various thicknesses can be positioned and fixed, and that two clamping plates on the clamping mechanisms are always in close contact with the top and side surfaces of the rectangular plates. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a plate workpiece positioning device for a vibrating knife cutting machine proposed in this invention;

[0016] Figure 2This is a schematic diagram of the positioning mechanism and multiple clamping mechanisms in a plate workpiece positioning device for a vibrating knife cutting machine proposed in this invention;

[0017] Figure 3 for Figure 2 A magnified structural diagram of part A in the middle;

[0018] Figure 4 This is a schematic diagram of the clamping mechanism in a plate workpiece positioning device for a vibrating knife cutting machine proposed in this invention;

[0019] Figure 5 for Figure 4 A magnified structural diagram of part B in the middle section;

[0020] Figure 6 This is a partial structural diagram of the clamping mechanism in a plate workpiece positioning device for a vibrating knife cutting machine proposed in this invention;

[0021] Figure 7 This is a schematic diagram of the structure of a partial clamping mechanism for fixing a rectangular plate in a plate workpiece positioning device for a vibrating knife cutting machine proposed in this invention. Figure 1 ;

[0022] Figure 8 This is a schematic diagram of the structure of a partial clamping mechanism for fixing a rectangular plate in a plate workpiece positioning device for a vibrating knife cutting machine proposed in this invention. Figure 2 .

[0023] In the diagram: 1. Stand; 2. Three-axis moving module; 3. Cutting head; 4. Positioning mechanism; 5. Clamping mechanism;

[0024] 41. Guide rail; 42. Slider; 43. Rack; 44. Travel gear; 45. Gear motor one; 46. Rectangular positioning bar; 461. Semicircular edge; 47. Gear motor two; 48. Bevel gear; 49. Arc-shaped end face gear ring;

[0025] 51. Base; 52. Shaft; 53. Swing arm; 54. Clamping plate; 55. Round shaft; 56. Hinge seat; 57. Guide rod one; 58. Spring one; 59. Ear plate; 510. Guide rod two; 511. Rectangular block; 512. Spring two; 513. Annular block; 5131. Annular groove; 514. Scroll torsion spring. Detailed Implementation

[0026] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please refer to Figures 1-8 This invention provides a technical solution: a plate workpiece positioning device for a vibrating knife cutting machine, comprising a frame 1, a three-axis moving module 2 slidably mounted on the frame 1, a cutting head 3 slidably mounted on the three-axis moving module 2, two vertically distributed positioning mechanisms 4 fixedly mounted on the top of the frame 1, each positioning mechanism 4 including a guide rail 41 fixed on the top of the frame 1, a slider 42 slidably mounted on the guide rail 41, and a rectangular positioning strip 46 rotatably mounted on the bottom of the slider 42. The four sides of the rectangular plate can be positioned and fixed by the two rectangular positioning strips 46 and the two guide rails 41. Multiple clamping mechanisms 5 linearly distributed are mounted on the top of the rectangular positioning strips 46. When the rectangular positioning strips 46 rotate to position the sides of the rectangular plate, the multiple clamping mechanisms 5 will position and fix the sides and top of the rectangular plate.

[0028] Furthermore, the three-axis moving module 2 and the cutting head 3 work together to perform three-axis movement, thereby ensuring that the cutting head 3 can cut rectangular plates.

[0029] A rack 43 is fixedly installed on one side of the guide rail 41, and a traveling gear 44 is rotatably installed below the slider 42. The traveling gear 44 meshes with the rack 43. A geared motor 45 is fixedly installed on the top of the slider 42. The output shaft of the geared motor 45 rotates through the slider 42 and is fixedly connected to the traveling gear 44.

[0030] The slider 42 is rotatably mounted below the guide rail 41, and the top and bottom surfaces of the slider 42 are flush with the top and bottom surfaces of the guide rail 41. A second geared motor 47 is fixedly mounted on the top of the slider 42. The output shaft of the second geared motor 47 rotates through the slider 42 and is fixedly connected to the rectangular positioning strip 46. One end of the rectangular positioning strip 46 is provided with a semi-circular edge 461 that is coaxial with the output shaft of the second geared motor 47.

[0031] The clamping mechanism 5 includes a base 51 fixedly installed on the top of the rectangular positioning bar 46. A rotating shaft 52 is rotatably installed through the base 51. A swing arm 53 is rotatably sleeved on the rotating shaft 52. The rotating shafts 52 on multiple clamping mechanisms 5 are fixedly connected end to end in sequence. A bevel gear 48 is fixedly installed at the end of the rotating shaft 52 near the second geared motor 47. An arc-shaped end face gear ring 49 is meshed on the bevel gear 48. The arc-shaped end face gear ring 49 is embedded and fixed on the slider 42.

[0032] Furthermore, the multiple rotating shafts 52 on the rectangular positioning strip 46 are fixedly connected end to end, which can ensure that the bevel gear 48 can drive the multiple rotating shafts 52 to rotate synchronously.

[0033] Multiple clamping plates 54 are provided on one side of the swing arm 53. The multiple clamping plates 54 are rotatably connected end to end and a round shaft 55 is rotatably installed at the connection. Multiple hinge seats 56 are movably installed on both sides of the swing arm 53. The two ends of several round shafts 55 are rotatably connected to the corresponding hinge seats 56 respectively. An empty round shaft 55 is provided between two hinge seats 56 on the same side of the swing arm 53.

[0034] The same guide rod 57 is fixedly installed through multiple hinge seats 56 on the same side of the swing arm 53. The same spring 58 is fixedly installed between two adjacent hinge seats 56, and the spring 58 is slidably sleeved on the guide rod 57.

[0035] Both ends of the guide rod 57 are fixedly installed with rectangular blocks 511. A guide rod 510 is slidably installed through the rectangular blocks 511. Both ends of the guide rod 510 are fixedly installed with ear plates 59. Both ear plates 59 are fixedly connected to the swing arm 53. A spring 512 is fixedly installed between the guide rod 510 and the rectangular blocks 511 and is slidably sleeved on the guide rod 510.

[0036] Furthermore, such as Figure 4 , Figure 5 As shown, the multiple clamping plates 54 can not only move left and right along the axis of the first guide rod 57, but also move up and down along the axis of the second guide rod 510. Furthermore, each clamping plate 54 can rotate around its corresponding circular shaft 55, thereby ensuring that the multiple clamping plates 54 can adaptively adjust their positions according to the different thicknesses of the rectangular plates to be clamped.

[0037] An annular block 513 is rotatably mounted through the swing arm 53. The rotating shaft 52 passes through the annular block 513 and is fixedly connected to the inner wall of the annular block 513. An annular groove 5131 is opened on the side of the annular block 513. A spiral torsion spring 514 is provided in the annular groove 5131. The end of the spiral torsion spring 514 near the center is fixedly connected to the inner wall of the annular groove 5131, and the end of the spiral torsion spring 514 away from the center is fixedly connected to the swing arm 53.

[0038] Furthermore, the swing arm 53 and the annular block 513 are connected by a spiral torsion spring 514, which allows the swing arm 53 to be free from maintaining the same rotation angle as the rotating shaft 52 when it rotates.

[0039] Furthermore, geared motor 1 (45) and geared motor 2 (47) are worm gear reducers, which have a self-locking function.

[0040] In this embodiment: During use, the rectangular plate to be cut is placed on the table surface of the frame 1, and the two vertical sides of the rectangular plate abut against the two guide rails 41. At this time, the two rectangular positioning strips 46 are arranged parallel to the corresponding guide rails 41, and the multiple swing arms 53 on the rectangular positioning strips 46 are in a vertical state. Then, the two reduction motors 45 are started to drive the slider 42 to move towards the rectangular plate. After the slider 42 drives the semi-circular edge 461 on the rectangular positioning strip 46 to abut against the side of the rectangular plate, the reduction motor 47 is started to drive the rectangular positioning strip 46 to rotate. After the rectangular positioning strip 46 rotates 90 degrees and is arranged perpendicularly to the corresponding guide rail 41, the rectangular positioning strip 46 abuts against the side of the rectangular plate. The two guide rails 41 and the two rectangular positioning strips 46 can clamp and fix the four sides of the rectangular plate, thereby completing the positioning of the rectangular plate on the table surface of the frame 1.

[0041] As the rectangular positioning bar 46 and the corresponding guide rail 41 change from a parallel state to a perpendicular state, as the rectangular positioning bar 46 rotates, the bevel gear 48 will rotate around the output shaft of the second gear motor 47 on the arc-shaped end face gear ring 49. During this process, the bevel gear 48 will also rotate on its own axis, and the rotating bevel gear 48 will drive the rotating shaft 52 on all clamping mechanisms 5 to rotate synchronously.

[0042] The rotation of the pivot 52 will cause the swing arm 53 to rotate towards one side of the rectangular plate. The rotation of the swing arm 53 will cause one of the multiple clamping plates 54 on one side to abut against the edge of the rectangular plate. As the swing arm 53 presses down on the multiple clamping plates 54, the multiple clamping plates 54 will rotate around the corresponding circular axis 55. During this process, the clamping plate 54 that was originally abutting against the edge of the rectangular plate will translate along the guide rod 57 and fit against the side or top surface of the rectangular plate. Finally, the clamping plate 54 will be perpendicular to the adjacent clamping plate 54, and the two clamping plates 54 will fit against the top surface and side surface of the rectangular plate respectively to complete the clamping and fixing of the rectangular plate. This state is shown in the attached figure. Figure 7 and Figure 8 As shown.

[0043] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A plate work positioning device for a vibrating knife cutting machine, comprising a gantry (1), characterised in that: The gantry (1) is slidably installed with a three-axis moving module (2), the three-axis moving module (2) is slidably installed with a cutting head (3), the top of the gantry (1) is fixedly installed with two positioning mechanisms (4) distributed vertically, the positioning mechanism (4) comprises a guide rail (41) fixed on the top of the gantry (1), the guide rail (41) is slidably installed with a sliding block (42), the bottom of the sliding block (42) is rotatably installed with a rectangular positioning strip (46), the four sides of the rectangular plate can be positioned and fixed through the two rectangular positioning strips (46) and the two guide rails (41), the rectangular positioning strip (46) is installed on the top of the rectangular positioning strip (46) and is installed with a plurality of clamping mechanisms (5) in linear distribution, when the rectangular positioning strip (46) is rotated to position the side edge of the rectangular plate, the plurality of clamping mechanisms (5) will position and fix the side and top surfaces of the rectangular plate; The clamping mechanism (5) comprises a machine base (51) fixedly installed on the top of the rectangular positioning strip (46), the machine base (51) is rotatably installed with a rotating shaft (52) penetrating through the machine base (51), the rotating shaft (52) is rotatably sleeved with a swing arm (53), the rotating shafts (52) of the plurality of clamping mechanisms (5) are sequentially fixedly connected, the end portion of the rotating shaft (52) close to the second speed reducing motor (47) is fixedly installed with a bevel gear (48), the bevel gear (48) is meshingly connected with an arc-shaped end face gear ring (49), and the arc-shaped end face gear ring (49) is embeddedly fixed on the sliding block (42). The swing arm (53) is provided with a plurality of clamping plates (54) on one side, the plurality of clamping plates (54) are rotatably connected and rotatably installed with a circular shaft (55) at the connection portions, the swing arm (53) is movably installed with a plurality of hinged seats (56) on the two sides, the two ends of the plurality of circular shafts (55) are rotatably connected with the corresponding hinged seats (56), and the two hinged seats (56) on the same side of the swing arm (53) are provided with a vacant circular shaft (55) therebetween.

2. A sheet material workpiece positioning device for a vibrating knife cutter as defined in claim 1, characterized in that: The guide rail (41) is fixedly installed with a rack (43) on one side, the sliding block (42) is rotatably installed with a walking gear (44) below, the walking gear (44) is meshingly connected with the rack (43), the top of the sliding block (42) is fixedly installed with a first speed reducing motor (45), and the output shaft of the first speed reducing motor (45) is rotatably penetrating through the sliding block (42) and fixedly connected with the walking gear (44).

3. A plate workpiece positioning device for a vibrating knife cutter as defined in claim 1, characterized in that: The sliding block (42) is rotatably installed below the guide rail (41), and the top surface and the bottom surface of the sliding block (42) are flush with the top surface and the bottom surface of the guide rail (41), the top of the sliding block (42) is fixedly installed with a second speed reducing motor (47), the output shaft of the second speed reducing motor (47) is rotatably penetrating through the sliding block (42) and fixedly connected with the rectangular positioning strip (46), and one end of the rectangular positioning strip (46) is provided with a semicircular edge (461) coaxial with the output shaft of the second speed reducing motor (47).

4. A sheet material workpiece positioning device for a vibrating knife cutter as defined in claim 1, wherein: A same guide rod one (57) is penetratingly fixedly installed on the plurality of hinged seats (56) on the same side of the swing arm (53), a same spring one (58) is fixedly installed between the adjacent two hinged seats (56), and the spring one (58) is slidably sleeved on the guide rod one (57).

5. A sheet material workpiece positioning device for a vibrating knife cutter as defined in claim 4, wherein: Both ends of the guide rod one (57) are fixedly installed with rectangular blocks (511), the guide rod two (510) is slidably installed on the rectangular blocks (511), both ends of the guide rod two (510) are fixedly installed with the ear plates (59), the two ear plates (59) are fixedly connected with the swing arm (53), and the spring two (512) is slidably sleeved on the guide rod two (510) and is fixedly installed between one of the guide rod two (510) and the rectangular block (511).

6. A sheet material workpiece positioning device for a vibrating knife cutter as defined in claim 1, wherein: The swing arm (53) is rotatably installed with an annular block (513), the rotating shaft (52) penetrates the annular block (513) and is fixedly connected with the inner wall of the annular block (513), the side of the annular block (513) is provided with an annular groove (5131), the annular groove (5131) is provided with a vortex torsional spring (514), one end of the vortex torsional spring (514) close to the center of the circle is fixedly connected with the inner wall of the annular groove (5131), and the other end of the vortex torsional spring (514) away from the center of the circle is fixedly connected with the swing arm (53).

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