Clamping tool for multifunctional three-dimensional dynamic laser marking machine

Abstract

The utility model discloses a clamping tool for a multifunctional three-dimensional dynamic laser marking machine, which comprises a marking table shell, a translation adjusting mechanism is arranged on the marking table shell, two tool table shells are fixedly connected onto the translation adjusting mechanism, clamping mechanisms are arranged on the two tool table shells, two symmetrically arranged adjusting plates are fixedly connected onto the clamping mechanisms, and the two adjusting plates are fixedly connected onto the marking table shell. A turnover mechanism is arranged on the outer side wall of each adjusting plate, clamping plates are fixedly connected to the close ends of each pair of turnover mechanisms, and each pair of clamping plates are oppositely arranged. According to the utility model, the turnover mechanism is arranged to turn over the workpiece, so that the workpiece can be subjected to double-sided marking processing; the arranged translation adjusting mechanism can achieve alternate and interchangeable feeding of the two tool table shells, and the processing blank period can be shortened; and the arranged clamping mechanism can rapidly clamp and fix the workpiece, and the marking machining efficiency of the workpiece can be improved.

Description

Technical Field

[0001] This utility model relates to the field of laser marking technology, specifically a clamping fixture for a multifunctional three-dimensional dynamic laser marking machine. Background Technology

[0002] 3D laser marking machines utilize high-energy-density lasers to locally irradiate workpieces, causing the surface material to vaporize or undergo a color-changing chemical reaction, thus leaving a permanent mark. Compared to traditional 2D laser marking, 3D marking significantly reduces the surface flatness requirements of the processed object, allowing for a wider variety of processing effects and giving rise to more creative processing techniques. 3D laser marking technology is booming and has attracted considerable attention within the industry. Some forward-thinking companies are accelerating the research and development of 3D laser marking products. In the coming years, laser marking will inevitably transition from 2D to 3D, and 3D laser marking will permeate all aspects of people's lives.

[0003] In a Chinese patent (patent number: CN215966985U) for a clamping fixture for a laser marking machine, the device includes a processing table. A rotary motor is fixedly connected to the inner wall of the front end of a second slide rail. A first baffle is fixedly connected to one end of the inner side of a second hydraulic rod. A bidirectional drive motor is fixedly connected to the middle of the inner wall of the first slide rail. A second baffle is fixedly connected to the middle of the top of a first moving block. A first hydraulic rod is fixedly connected to the bottom of the front end of an electric guide rail. A robotic arm is fixedly connected to the front end of a rotary cylinder. This device controls the forward and backward movement of the first baffle via the rotary motor, and the second hydraulic rod drives the first baffle to move left and right, achieving clamping of workpieces with right-angled edges. The bidirectional drive motor controls the second baffle to clamp workpieces with corners and arcs, achieving clamping of workpieces of different shapes, improving processing accuracy and quality. The robotic arm grips the workpiece, enabling multi-sided marking, which is worthy of widespread promotion. However, this device cannot achieve rapid flipping of the workpiece to be marked, and can only perform single-sided laser marking, thus affecting the efficiency of laser marking processing. Utility Model Content

[0004] The purpose of this invention is to provide a clamping fixture for a multifunctional three-dimensional dynamic laser marking machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a clamping fixture for a multifunctional three-dimensional dynamic laser marking machine, comprising a marking table shell, a translation adjustment mechanism on the marking table shell, two fixture table shells fixedly connected to the translation adjustment mechanism, a clamping mechanism on each of the two fixture table shells, two symmetrically arranged adjustment plates fixedly connected to the clamping mechanism, a flipping mechanism on the outer wall of each adjustment plate, a clamping plate fixedly connected to the adjacent end of each pair of flipping mechanisms, and each pair of clamping plates being arranged opposite to each other; a PLC controller is fixedly connected to the front end of the marking table shell, and the PLC controller is electrically connected to the translation adjustment mechanism, the clamping mechanism, and the flipping mechanism respectively;

[0006] The flipping mechanism includes a cover, an electric push rod, a rack, a rotating shaft, and a spur gear. The cover is fixed to the outer side wall of the adjusting plate. The electric push rod is fixedly connected to the lower side wall of the cover. The upper end of the electric push rod passes through the cover and is fixedly connected to the rack. A horizontally arranged rotating shaft is inserted into and rotatably connected to the side wall of the adjusting plate. The outer end of the rotating shaft is fixedly connected to a spur gear that meshes with the rack. The inner end of the rotating shaft is fixedly connected to a clamping plate.

[0007] As a further embodiment of this utility model: the translation adjustment mechanism includes a first motor, a lead screw, nut strips, and moving blocks; the first motor is fixed at one end of the marking table housing, and the output shaft of the first motor passes through the marking table housing and is fixedly connected to the lead screw, the position of the lead screw coinciding with the long central axis of the marking table housing; two nut strips are vertically and threadedly connected to the lead screw, and a moving block is fixedly connected to both ends of each nut strip, with each set of moving blocks arranged opposite to each other; the upper side wall of the marking table housing has two sliding openings, both of which are parallel to the lead screw, and the two sets of moving blocks pass through the two sliding openings respectively, with each set of moving blocks fixedly connected to a tooling table housing respectively.

[0008] As a further embodiment of this utility model: two symmetrically arranged limiting rods are fixedly connected in the marking table shell. The two limiting rods are parallel to the lead screw and are respectively arranged on both sides of the lead screw. The two limiting rods are respectively arranged through two sets of moving blocks, and the moving blocks are slidably connected to the limiting rods.

[0009] As a further embodiment of this utility model: the clamping mechanism includes a second motor, a turntable, a pull rod, a movable frame, and a support; the second motor is fixed on the inner bottom wall of the tooling platform housing, and the turntable is fixedly connected to the main shaft end of the second motor. The turntable is arranged horizontally, and two pull rods are hinged to the turntable. The tooling platform housing is provided with two symmetrically arranged movable frames. Each movable frame is hinged to the outer end of a pull rod. A set of supports is fixedly connected to the upper side wall of each movable frame. The upper side wall of the tooling platform housing has two openings, and each set of supports passes through the two openings and is fixedly connected to the adjusting plate.

[0010] As a further embodiment of this utility model, both ends of the movable frame are fixedly connected to sliders, and the sliders are slidably connected to the inner sidewall of the tooling platform shell.

[0011] As a further improvement of this utility model, each pair of clamps has an anti-slip pad fixedly connected to one side wall opposite to the other.

[0012] The beneficial effects of this utility model are:

[0013] This multi-functional 3D dynamic laser marking machine uses a clamping fixture equipped with a flipping mechanism to enable workpiece flipping for double-sided marking, improving processing efficiency. It also features a translation adjustment mechanism for alternating loading of the two fixture housings, placing the workpiece below the laser marking head of the 3D dynamic laser marking machine. This dual-station processing method reduces processing downtime and increases marking efficiency. Finally, a clamping mechanism ensures secure clamping by pressing two clamping plates against both ends of the workpiece, providing reliable clamping and simple operation. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a three-dimensional enlarged structural diagram of the tooling platform shell of this utility model;

[0016] Figure 3 This is a schematic diagram of the right-side cross-sectional structure of the flipping mechanism of this utility model;

[0017] Figure 4 This is a top view sectional structural diagram of the translation adjustment mechanism of this utility model;

[0018] Figure 5 This is a top view cross-sectional structural diagram of the clamping mechanism of this utility model.

[0019] The correspondence between the labels and component names in the attached figures is as follows:

[0020] 1. Marking table housing; 2. Tooling table housing; 3. Adjusting plate; 4. Clamping plate; 5. PLC controller; 6. Cover; 7. Electric actuator; 8. Rack; 9. Rotary shaft; 10. Circular gear; 11. First motor; 12. Lead screw; 13. Nut strip; 14. Moving block; 15. Limiting rod; 16. Second motor; 17. Turntable; 18. Pull rod; 19. Moving frame; 20. Support; 21. Slider; 22. Anti-slip pad. Detailed Implementation

[0021] The present invention will be further described and explained below with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-5 In this embodiment, a clamping fixture for a multifunctional three-dimensional dynamic laser marking machine is provided. This device is located directly below the laser marking head of the three-dimensional dynamic laser marking machine. The laser marking head of the three-dimensional dynamic laser marking machine can be adjusted in multiple planar directions, which is existing technology. This embodiment includes a marking table housing 1, on which a translation adjustment mechanism is provided. Two fixture table housings 2 are fixedly connected to the translation adjustment mechanism. Each fixture table housing 2 is provided with a clamping mechanism, and two symmetrically arranged adjustment plates 3 are fixedly connected to the clamping mechanism. Each adjustment plate 3 has a flipping mechanism on its outer side wall. A clamping plate 4 is fixedly connected to the adjacent end of each pair of flipping mechanisms, and each pair of clamping plates 4 is arranged opposite to each other.

[0023] A PLC controller 5 is fixedly connected to one end of the front side of the marking table housing 1. The PLC controller 5 is electrically connected to the translation adjustment mechanism, the clamping mechanism and the flipping mechanism respectively, and is powered by an external power supply. The circuit involved is existing technology, which can be fully implemented by those skilled in the art, and there is no need to elaborate. The motor in this device has a built-in locking function.

[0024] In this embodiment, the flipping mechanism includes a cover 6, an electric push rod 7, a rack 8, a rotating shaft 9, and a spur gear 10. The cover 6 is fixed to the outer side wall of the adjusting plate 3. The electric push rod 7 is fixedly connected to the lower side wall of the cover 6. The upper end of the electric push rod 7 passes through the cover 6 and is fixedly connected to the rack 8. The rotating shaft 9, which is arranged horizontally, is inserted into and rotatably connected to the side wall of the adjusting plate 3. The outer end of the rotating shaft 9 is fixedly connected to the spur gear 10, which meshes with the rack 8. The inner end of the rotating shaft 9 is fixedly connected to the clamping plate 4.

[0025] When it is necessary to flip the workpiece for marking, a pair of electric push rods 7 are activated to extend synchronously, and two racks 8 are moved synchronously. Since each rack 8 meshes with a sprocket 10, the sprocket 10 rotates with the movement of the rack 8, thereby driving the two rotating shafts 9 to rotate in the same direction, and driving the two clamping plates 4 to rotate synchronously, thus realizing the flipping operation of the workpiece, so as to perform double-sided marking on the workpiece and improve processing efficiency.

[0026] In this embodiment, as Figure 1 and Figure 4 As shown: The translation adjustment mechanism includes a first motor 11, a lead screw 12, a nut strip 13, a moving block 14, and a limit rod 15.

[0027] The first motor 11 is fixed at one end of the marking table housing 1. The output shaft of the first motor 11 passes through the marking table housing 1 and is fixedly connected to a lead screw 12. The position of the lead screw 12 coincides with the long central axis of the marking table housing 1. Two nut strips 13 are vertically threaded onto the lead screw 12. Each nut strip 13 has a movable block 14 fixedly connected to both ends. Each set of movable blocks (14) is arranged opposite to each other. The upper side wall of the marking table housing 1 has two sliding openings. Both sliding openings are parallel to the lead screw 12. The two sets of movable blocks 14 pass through the two sliding openings respectively. Each set of movable blocks 14 is fixedly connected to a tooling table housing 2.

[0028] The first motor 11 is started to operate, and the lead screw 12 rotates accordingly. Since the lead screw 12 is threadedly connected to the two nut strips 13, it can drive the two nut strips 13 to move synchronously, thereby driving the two tooling housings 2 fixed to the moving block 14 to translate. This allows for the alternating loading of the two tooling housings 2, sending the workpiece below the laser marking head of the three-dimensional dynamic laser marking machine. This embodiment adopts dual-station processing, which can reduce the processing downtime and improve the marking efficiency of the workpiece.

[0029] like Figure 4 As shown: Two symmetrically arranged limiting rods 15 are fixedly connected in the marking table housing 1. Both limiting rods 15 are parallel to the lead screw 12 and are respectively arranged on both sides of the lead screw 12. The two limiting rods 15 are respectively arranged through two sets of moving blocks 14. The moving blocks 14 are slidably connected to the limiting rods 15, so that the moving blocks 14 maintain linear displacement.

[0030] In this embodiment, as Figure 2 and Figure 5 As shown: The clamping mechanism includes a second motor 16, a turntable 17, a pull rod 18, a movable frame 19, a bracket 20, and a slider 21. The second motor 16 is fixed to the inner bottom wall of the tooling platform 2. The turntable 17 is fixedly connected to the spindle end of the second motor 16. The turntable 17 is arranged horizontally. Two pull rods 18 are hinged to the turntable 17. Two symmetrically arranged movable frames 19 are provided in the tooling platform 2. Each movable frame 19 is hinged to the outer end of a pull rod 18. A set of brackets 20 is fixedly connected to the upper side wall of each movable frame 19. The upper side wall of the tooling platform 2 has two openings. Each set of brackets 20 passes through the two openings and is fixedly connected to the adjusting plate 3.

[0031] When clamping and fixing the workpiece is required during the three-dimensional dynamic laser marking process, the workpiece is placed between a pair of clamping plates 4, and the second motor 16 is started to operate. The turntable 17 rotates accordingly. At this time, the two pull rods 18 can be pulled to swing and displace, which in turn pulls the two moving frames 19 to move towards each other. This drives the two adjusting plates 3 to move towards each other, which in turn drives the two clamping plates 4 to press against both ends of the workpiece to clamp and fix it. This embodiment provides reliable fixing and is simple to operate.

[0032] like Figure 5 As shown: Both ends of the movable frame 19 are fixedly connected to sliders 21, which are slidably connected to the inner side wall of the tooling table shell 2, so that the movable frame 19 maintains linear displacement.

[0033] like Figure 2 As shown: Anti-slip pads 22 are fixedly connected to the side walls of the two pairs of clamping plates 4 on opposite sides, which can make the workpiece to be marked more stable.

[0034] The working principle of this embodiment is as follows: During the three-dimensional dynamic laser marking process on the workpiece, when it is necessary to clamp and fix the workpiece, the workpiece is placed between a pair of clamping plates 4, and the second motor 16 is started to work, causing the turntable 17 to rotate accordingly. At this time, the rotating turntable 17 can pull the two pull rods 18 to swing and move, thereby pulling the two moving frames 19 to move in opposite directions. At this time, the two moving frames 19 can drive the two adjusting plates 3 to move in opposite directions, thereby driving the two clamping plates 4 to press against both ends of the workpiece to clamp and fix it. When it is necessary to flip the workpiece for marking, a pair of electric push rods 7 are started to extend synchronously, and the two racks 8 move synchronously. Since each rack 8 meshes with a sprocket 10, the sprocket 10 rotates with the movement of the rack 8, thereby driving the two rotating shafts 9 to rotate in the same direction, and driving the two clamping plates 4 to rotate synchronously, thereby realizing the flipping operation of the workpiece for double-sided marking. When feeding is required, the first motor 11 is started and the lead screw 12 rotates. Since the lead screw 12 is threadedly connected to the two nut bars 13, the two nut bars 13 can be moved synchronously, which in turn can drive the two tooling shells 2 fixed to the moving block 14 to move horizontally, so as to realize the alternating feeding of the two tooling shells 2 and send the workpiece under the laser marking head of the three-dimensional dynamic laser marking machine.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A clamping fixture for a multifunctional three-dimensional dynamic laser marking machine, comprising a marking table housing (1), characterized in that, The marking table housing (1) is provided with a translation adjustment mechanism. Two tooling table housings (2) are fixedly connected to the translation adjustment mechanism. Each of the two tooling table housings (2) is provided with a clamping mechanism. Two symmetrically arranged adjustment plates (3) are fixedly connected to the clamping mechanism. Each adjustment plate (3) is provided with a flipping mechanism on its outer side wall. A clamping plate (4) is fixedly connected to the adjacent end of each pair of flipping mechanisms. Each pair of clamping plates (4) is arranged opposite to each other. A PLC controller (5) is fixedly connected to the front end of the marking table housing (1). The PLC controller (5) is electrically connected to the translation adjustment mechanism, the clamping mechanism and the flipping mechanism respectively. The flipping mechanism includes a cover (6), an electric push rod (7), a rack (8), a rotating shaft (9), and a spur gear (10). The cover (6) is fixed on the outer side wall of the adjusting plate (3). The lower side wall of the cover (6) is fixedly connected to the electric push rod (7). The upper end of the electric push rod (7) passes through the cover (6) and is fixedly connected to the rack (8). The side wall of the adjusting plate (3) is inserted and rotatably connected to a horizontally arranged rotating shaft (9). The outer end of the rotating shaft (9) is fixedly connected to a spur gear (10) that meshes with the rack (8). The inner end of the rotating shaft (9) is fixedly connected to the clamping plate (4).

2. The clamping fixture for a multifunctional three-dimensional dynamic laser marking machine according to claim 1, characterized in that, The translation adjustment mechanism includes a first motor (11), a lead screw (12), nut strips (13), and a moving block (14). The first motor (11) is fixed at one end of the marking table housing (1). The output shaft of the first motor (11) passes through the marking table housing (1) and is fixedly connected to the lead screw (12). The position of the lead screw (12) coincides with the long central axis of the marking table housing (1). Two nut strips (13) are vertically and threadedly connected to the lead screw (12). A moving block (14) is fixedly connected to both ends of each nut strip (13). Each set of moving blocks (14) is arranged opposite to each other. The upper side wall of the marking table housing (1) has two sliding openings. Both sliding openings are parallel to the lead screw (12). The two sets of moving blocks (14) pass through the two sliding openings respectively. Each set of moving blocks (14) is fixedly connected to a tooling table housing (2).

3. The clamping fixture for a multifunctional three-dimensional dynamic laser marking machine according to claim 2, characterized in that, The marking table housing (1) is fixedly connected to two symmetrically arranged limiting rods (15). The two limiting rods (15) are parallel to the lead screw (12) and are respectively arranged on both sides of the lead screw (12). The two limiting rods (15) are respectively arranged through two sets of moving blocks (14). The moving blocks (14) are slidably connected to the limiting rods (15).

4. The clamping fixture for a multifunctional three-dimensional dynamic laser marking machine according to claim 1, characterized in that, The clamping mechanism includes a second motor (16), a turntable (17), a pull rod (18), a moving frame (19), and a bracket (20). The second motor (16) is fixed on the inner bottom wall of the tooling platform (2). The turntable (17) is fixedly connected to the spindle end of the second motor (16). The turntable (17) is set in a horizontal direction. Two pull rods (18) are hinged to the turntable (17). Two symmetrically arranged moving frames (19) are provided in the tooling platform (2). Each moving frame (19) is hinged to the outer end of a pull rod (18). A set of brackets (20) is fixedly connected to the upper side wall of each moving frame (19). Two openings are opened on the upper side wall of the tooling platform (2). Each set of brackets (20) passes through the two openings and is fixedly connected to the adjusting plate (3).

5. The clamping fixture for a multifunctional three-dimensional dynamic laser marking machine according to claim 4, characterized in that, Both ends of the movable frame (19) are fixedly connected to sliders (21), and the sliders (21) are slidably connected to the inner sidewall of the tooling platform shell (2).

6. The clamping fixture for a multifunctional three-dimensional dynamic laser marking machine according to claim 1, characterized in that, Each pair of clamps (4) has an anti-slip pad (22) fixedly connected to the opposite side wall.

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