Laser cutting machine with automatic positioning and clamping functions

Abstract

The invention discloses a laser cutting machine with an automatic positioning and clamping function, and relates to the technical field of laser cutting equipment, the laser cutting machine is characterized in that two left clamping claws are arranged in front of a rack, two right clamping claws are arranged on the right of the left clamping claws, a left clamping mechanism is arranged on the rack, the left clamping claws are arranged on the left clamping mechanism, and the right clamping claws are arranged on the right clamping mechanism; the right clamping mechanism is arranged on the right side of the left clamping mechanism, and the right clamping jaw is arranged on the right clamping mechanism. According to the laser cutting device, the two ends of a workpiece are clamped through the structure of the two sets of clamps, so that a main body of the workpiece and waste falling off after cutting can be clamped during laser cutting machining, and one set of clamping jaws can be clamped through the opening and closing structure which moves symmetrically and linearly; and the other group of clamping claws can clamp and position the workpieces with different shapes through a structure in which rotating opening and closing are matched with moving opening and closing.

Description

Technical Field

[0001] The invention relates to the technical field of laser cutting equipment, and in particular to a laser cutting machine with automatic positioning and clamping functions. Background Art

[0002] Laser cutting is a technology that uses high-energy laser irradiation and different spectra of lasers to cut workpieces according to different materials. Laser cutting is often used for cutting plates, etc. Traditional clamping is also used during laser cutting. This causes the cut waste to fall directly from the workpiece body during laser cutting and affect subsequent operations. The traditional clamping mechanism is a fixed-position structure, and it is necessary to move the laser head for positioning and calibration during laser cutting. This requires frequent adjustment and calibration of the precision structure in the equipment, which can easily damage the equipment. Therefore, it is urgent to develop a new type of clamp. Summary of the invention

[0003] The purpose of the present invention is to address the defects and shortcomings of the prior art and to provide a laser cutting machine with an automatic positioning and clamping function, which realizes clamping of the two ends of the workpiece by setting up two sets of clamp structures, so that the main body of the workpiece and the waste material that falls off after cutting can be clamped separately during the laser cutting process, and one set of clamping claws has a symmetrical linear motion opening and closing structure, and the other set of clamping claws has a structure that cooperates with rotation opening and closing and movement opening and closing, so that workpieces of different shapes can be clamped and positioned.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] It comprises a frame, a left clamping claw and a right clamping claw, wherein the left clamping claw is two and arranged in front of the frame, and the right clamping claw is two and arranged on the right of the left clamping claw. It also comprises:

[0006] A left clamping mechanism, wherein the left clamping mechanism is arranged on the frame, and the left clamping claw is arranged on the left clamping mechanism;

[0007] The right clamping mechanism is arranged on the right side of the left clamping mechanism, and the right clamping claw is arranged on the right clamping mechanism.

[0008] Preferably, the left clamping mechanism comprises:

[0009] A left connecting arm, wherein the left connecting arm is fixedly arranged on the left end of the front side wall of the frame;

[0010] A left fixing seat, wherein the left fixing seat is fixedly arranged on the front end of the left connecting arm;

[0011] A left guide rod, wherein the left guide rod is fixedly arranged on a left fixing seat;

[0012] The left guide sleeve comprises two left guide sleeves which are symmetrically arranged on the left guide rod, and the two left clamping claws are respectively fixedly arranged on the upper and lower left guide sleeves;

[0013] A symmetrical clamping assembly is arranged on the left fixing seat, and the symmetrical clamping assembly is arranged in a transmission manner with the left clamping claw.

[0014] Preferably, the symmetrical clamping assembly comprises:

[0015] A clamping hydraulic rod, wherein the clamping hydraulic rod is fixedly arranged on a left fixing seat;

[0016] A clamping seat, wherein the clamping seat is fixedly arranged on the output shaft of the clamping hydraulic rod;

[0017] A telescopic connecting rod, wherein the telescopic connecting rod is fixedly arranged on the clamping seat;

[0018] A telescopic connecting sleeve, wherein the telescopic connecting sleeve is movablely mounted on the telescopic connecting rod;

[0019] The supporting arms are two and coaxially rotatably mounted on the telescopic connecting sleeve via a rotating shaft. One end of the two supporting arms away from the telescopic connecting sleeve is respectively rotatably mounted on the left clamping claws on the upper and lower sides via a rotating shaft.

[0020] Preferably, a screw rod is rotatably provided on the clamping seat via a rotating shaft, and the screw rod is arranged in parallel with the telescopic connecting rod, and the telescopic connecting sleeve is arranged on the screw rod via a threaded connection sleeve.

[0021] Preferably, the right clamping mechanism comprises:

[0022] A rotary oil cylinder, wherein the rotary oil cylinder is fixedly arranged on the right end of the front side wall of the frame;

[0023] A right connecting arm, wherein the right connecting arm is fixedly arranged on the output shaft of the rotary oil cylinder;

[0024] A right fixing seat, wherein the right fixing seat is fixedly arranged on the front end of the right connecting arm;

[0025] The mounting assembly is arranged on the right fixing seat, and the two right clamping claws are arranged on the mounting assembly.

[0026] Preferably, the installation assembly comprises:

[0027] A telescopic guide sleeve, wherein the telescopic guide sleeve is fixedly arranged on the right fixed seat;

[0028] A telescopic guide rod, wherein the telescopic guide rod is movably inserted into the telescopic guide sleeve;

[0029] A mounting seat, wherein the mounting seat is fixedly arranged on the left end of the telescopic guide rod;

[0030] A connecting seat, wherein the connecting seat is fixedly arranged on the right end of the telescopic guide rod;

[0031] The telescopic hydraulic rod is fixedly arranged on the right fixing seat, and the output shaft of the telescopic hydraulic rod is fixedly arranged on the connecting seat.

[0032] Preferably, a lifting guide sleeve is fixedly provided on the left side wall of the mounting seat, a lifting guide rod is movably inserted in the lifting guide sleeve, a lifting connecting seat is fixedly provided on the lower end of the lifting guide rod, the upper right clamping claw is fixedly provided on the lifting connecting seat, a lifting hydraulic rod is fixedly provided on the mounting seat, and the output shaft of the lifting hydraulic rod is fixedly provided on the lifting connecting seat.

[0033] Preferably, a support shaft is rotatably mounted on the mounting seat via a bearing, and the right clamping claw at the lower side is fixedly mounted on the support shaft.

[0034] Preferably, a transmission shaft is rotatably provided on the mounting seat through a bearing, a worm is fixedly provided on the left end of the transmission shaft, a worm wheel is fixedly provided on the supporting shaft, the worm and the worm wheel are meshingly provided, a clamping rotary cylinder is fixedly provided on the mounting seat, and the output shaft of the rotary cylinder and the right end of the transmission shaft are connected through a spur gear set.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] 1. The device is provided with a pair of left clamping claws with linear opening and closing motion, a right clamping claw with linear opening and closing motion located on the upper side, and a right clamping claw with rotational opening and closing motion located on the lower side, so that the workpiece is clamped and fixed by the cooperation of the left clamping claw and the right clamping claw;

[0037] 2. The left clamping claw of the device drives the clamping seat through the supporting hydraulic rod, thereby driving the support arm to move, and the upper and lower left clamping claws are driven by the support arm to clamp and release, and the lifting hydraulic rod drives one right clamping claw to move up and down, and the clamping rotary cylinder drives the other right clamping claw to rotate and move, so that the two right clamping claws can clamp and release;

[0038] 3. This device sets the right clamping claw on the mounting seat, and supports the mounting seat on the right connecting arm through a telescopic guide rod, so as to realize the left and right linear movement of the mounting seat, and drives the right connecting arm to rotate by rotating the rotary cylinder, so as to realize the rotation of the mounting seat, thereby realizing the movement and rotation of the right clamping claw, and realizing the mobile placement of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a structural schematic diagram of the present invention.

[0040] Figure 2 yes Figure 1 The rich test view.

[0041] Figure 3 yes Figure 1 Lower right side view.

[0042] Figure 4 It is a structural schematic diagram of the frame, the left connecting arm and the right connecting arm in the present invention.

[0043] Figure 5 It is a structural schematic diagram of the left fixing seat, the clamping seat and the left clamping claw in the present invention.

[0044] Figure 6 It is a structural schematic diagram of the clamping guide sleeve, the support arm and the left clamping claw in the present invention.

[0045] Figure 7 It is a structural schematic diagram of the right fixing seat, the mounting seat and the right clamping claw in the present invention.

[0046] Figure 8 yes Figure 7 Lower side view.

[0047] Description of reference numerals:

[0048] Frame 1, left clamping claw 2, right clamping claw 3, left clamping mechanism 4, left connecting arm 4-1, left fixed seat 4-2, left guide rod 4-3, left guide sleeve 4-4, symmetrical clamping assembly 5, clamping hydraulic rod 5-1, clamping seat 5-2, telescopic connecting rod 5-3, telescopic connecting sleeve 5-4, support arm 5-5, right clamping mechanism 6, rotating rotary cylinder 6-1, right connecting arm 6-2, right fixed seat 6-3, mounting assembly 7, telescopic guide rod 7-1, telescopic guide sleeve 7-2, mounting seat 7-3, connecting seat 7-4, telescopic hydraulic rod 7-5, screw rod 8, lifting guide sleeve 9, lifting guide rod 10, lifting connecting seat 11, lifting hydraulic rod 12, support shaft 13, transmission shaft 14, worm 15, worm wheel 16, clamping rotary cylinder 17. DETAILED DESCRIPTION

[0049] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples, and all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0050] like Figure 1-8 As shown, this specific implementation adopts the following technical solutions:

[0051] It comprises a frame 1, a left clamping claw 2, and a right clamping claw 3, wherein the left clamping claw 2 is two and arranged in front of the frame 1, and the right clamping claw 3 is two and arranged on the right side of the left clamping claw 2. It also comprises:

[0052] A left clamping mechanism 4, wherein the left clamping mechanism 4 is arranged on the frame 1, and the left clamping claw 2 is arranged on the left clamping mechanism 4;

[0053] A right clamping mechanism 6, wherein the right clamping mechanism 6 is arranged on the right side of the left clamping mechanism 4, and the right clamping claw 3 is arranged on the right clamping mechanism 6;

[0054] The left clamping mechanism 4 comprises:

[0055] A left connecting arm 4-1, wherein the left connecting arm 4-1 is fixedly arranged on the left end of the front side wall of the frame 1;

[0056] A left fixing seat 4-2, wherein the left fixing seat 4-2 is fixedly arranged on the front end of the left connecting arm 4-1;

[0057] A left guide rod 4-3, wherein the left guide rod 4-3 is fixedly arranged on the left fixing seat 4-2;

[0058] The left guide sleeve 4-4 is composed of two symmetrical left guide sleeves 4-4 and is movably sleeved on the left guide rod 4-3. The two left clamping claws 2 are respectively fixedly arranged on the upper and lower left guide sleeves 4-4;

[0059] A symmetrical clamping assembly 5, wherein the symmetrical clamping assembly 5 is arranged on the left fixing seat 4-2, and the symmetrical clamping assembly 5 is arranged in a transmission manner with the left clamping claw 2;

[0060] The symmetrical clamping assembly 5 comprises:

[0061] A clamping hydraulic rod 5-1, wherein the clamping hydraulic rod 5-1 is fixedly arranged on the left fixing seat 4-2;

[0062] A clamping seat 5-2, wherein the clamping seat 5-2 is fixedly arranged on the output shaft of the clamping hydraulic rod 5-1;

[0063] A telescopic connecting rod 5-3, wherein the telescopic connecting rod 5-3 is fixedly arranged on the clamping seat 5-2;

[0064] A telescopic connecting sleeve 5-4, wherein the telescopic connecting sleeve 5-4 is movably mounted on the telescopic connecting rod 5-3;

[0065] Support arms 5-5, the support arms 5-5 are two and coaxially rotatably mounted on the telescopic connection sleeve 5-4 through a rotating shaft, and the ends of the two support arms 5-5 away from the telescopic connection sleeve 5-4 are respectively rotatably mounted on the left clamping claws 2 on the upper and lower sides through the rotating shaft;

[0066] The screw rod 8 is screwed on the clamping seat 5-2 through a bearing, and the screw rod 8 is arranged parallel to the left guide rod 4-3, and the telescopic connecting sleeve 5-4 is screwed on the screw rod 8 through a threaded connection;

[0067] The right clamping mechanism 6 comprises:

[0068] A rotary oil cylinder 6-1, wherein the rotary oil cylinder 6-1 is fixedly arranged on the right end of the front side wall of the frame 1;

[0069] A right connecting arm 6-2, wherein the right connecting arm 6-2 is fixedly arranged on the output shaft of the rotary oil cylinder 6-1;

[0070] A right fixing seat 6-3, wherein the right fixing seat 6-3 is fixedly arranged on the front end of the right connecting arm 6-2;

[0071] An installation component 7, wherein the installation component 7 is arranged on the right fixing seat 6-3, and two right clamping claws 3 are arranged on the installation component 7;

[0072] Installation kit 7 includes:

[0073] A telescopic guide sleeve 7-2, wherein the telescopic guide sleeve 7-2 is fixedly arranged on the right fixed seat 6-3;

[0074] A telescopic guide rod 7-1, wherein the telescopic guide rod 7-1 is movably inserted into the telescopic guide sleeve 7-2;

[0075] A mounting seat 7-3, wherein the mounting seat 7-3 is fixedly disposed on the left end of the telescopic guide rod 7-1;

[0076] A telescopic connecting seat 7-4, wherein the telescopic connecting seat 7-4 is fixedly arranged on the right end of the telescopic guide rod 7-1;

[0077] Telescopic hydraulic rod 7-5, the telescopic hydraulic rod 7-5 is fixedly arranged on the right fixed seat 6-3, and the output shaft of the telescopic hydraulic rod 7-5 is fixedly arranged on the telescopic connecting seat 7-4;

[0078] A lifting guide sleeve 9, wherein the lifting guide sleeve 9 is fixedly arranged on the left side wall of the mounting seat 7-3;

[0079] A lifting guide rod 10, wherein the lifting guide rod 10 is movably inserted into the lifting guide sleeve 9;

[0080] A lifting connection seat 11, wherein the lifting connection seat 11 is fixedly arranged at the lower end of the lifting guide rod 10, and the upper right clamping claw 3 is fixedly arranged on the lifting connection seat 11;

[0081] A lifting hydraulic rod 12, wherein the lifting hydraulic rod 12 is fixedly arranged on the mounting seat 7-3, and the output shaft of the lifting hydraulic rod 12 is fixedly arranged on the upper surface of the lifting connection seat 11;

[0082] A support shaft 13, wherein the support shaft 13 is rotatably mounted on the mounting seat 7-3 via a bearing, and the lower right clamping claw 3 is fixedly mounted on the support shaft 13;

[0083] The transmission shaft 14, the shrunk transmission shaft 14 is rotatably mounted on the mounting seat 7-3 through a bearing;

[0084] A worm 15, wherein the worm 15 is fixedly arranged on the transmission shaft 14;

[0085] A worm wheel 16, wherein the worm wheel 16 is fixedly disposed on the support shaft 13, and the worm 15 and the worm wheel 16 are meshed with each other;

[0086] The clamping rotary oil cylinder 17 is fixedly arranged on the mounting seat 7 - 3 , and the output shaft of the clamping rotary oil cylinder 17 is transmission-connected to the transmission shaft 14 .

[0087] When using this device, the left end of the workpiece is clamped by the left clamping claw 2, and the right end of the workpiece is clamped by the right clamping claw 3, and then the part of the workpiece located between the left clamping claw 2 and the right clamping claw 3 is laser cut. When the workpiece is clamped by the left clamping claw 2, the clamping seat 5-2 is pushed to the right by the clamping hydraulic rod 5-1, and then the clamping seat 5-2 pushes the telescopic connecting rod 5-3 to the right, and the telescopic connecting rod 5-3 drives the telescopic connecting sleeve 5-4 to move to the right, and then the telescopic connecting sleeve 5-4 pushes the left end of the support arm 5-5 to move to the right, and the left guide sleeve 4-4 is supported and guided in the up and down directions by the left guide rod 4-3, and the left clamping claw 2 is supported by the left guide sleeve 4-4. When the left end of the support arm 5-5 moves to the right, the support arm 5-5 pushes the left clamping claws 2 on the upper and lower sides to open, and the left clamping claw 2 slides on the left guide rod 4-3 through the left guide sleeve 4-4. When the left clamping claw 2 is clamped, the clamping seat 5-2 is pulled to the left by the clamping hydraulic rod 5-1 to drive the left end of the support arm 5-5 to move to the left, so that the support arm 5-5 moves the left clamping claws 2 on the upper and lower sides toward each other and clamps them, and the rotating screw rod 8 drives the telescopic connecting sleeve 5-4 to move up and down, and then the telescopic connecting sleeve 5-4 drives the support arm 5-5 to move up and down, and then the support arm 5-5 drives the left clamping claw 2 to move up and down, so as to adjust the upper and lower height positions of the two left clamping claws 2. When the left clamping claw 2 passes through the left guide sleeve 4-4 and slides on the left guide rod 4-3; when the right clamping claw 3 clamps the workpiece, first open the upper and lower right clamping claws 3, and pull the lifting connection seat 11 upward through the lifting hydraulic rod 12, so that the lifting connection seat 11 slides in the lifting guide sleeve 9 through the lifting guide rod 10, and the lifting connection seat 11 drives the upper right clamping claw 3 to move upward, and drives the transmission shaft 14 to rotate through the clamping rotary cylinder 17, and the transmission shaft 14 drives the worm 15 to rotate, and the worm 15 drives the worm gear 16 engaged therewith to rotate, and then the worm gear 16 drives the support shaft 13 to rotate, and the support shaft 13 drives the lower right clamping claw 3 to rotate and open, and then the upper and lower two are pulled upward. When the right clamping claw 3 is clamped, the upper right clamping claw 3 is pushed downward, and the lower right clamping claw 3 is rotated and closed, thereby clamping the workpiece; after the workpiece is cut off, the telescopic connecting seat 7-4 is pushed to the right by the telescopic hydraulic rod 7-5, and then the telescopic connecting seat 7-4 pulls the mounting seat 7-3 to the right through the telescopic guide rod 7-1, and then the mounting seat 7-3 drives the right clamping claw 3 to move to the right, and moves the cut right half of the workpiece to the right, and then the right connecting arm 6-2 is driven to rotate by the rotating rotary cylinder 6-1, so that the right connecting arm 6-2 drives the mounting seat 7-3 and the right clamping claw 3 to rotate to the downward direction, and then the right clamping claw 3 is released to put down the clamped workpiece.

[0088] Compared with the prior art, the present invention has the following beneficial effects:

[0089] 1. The device is provided with a pair of left clamping claws 2 with linear opening and closing motion, a right clamping claw 3 with linear opening and closing motion located on the upper side, and a right clamping claw 3 with rotational opening and closing motion located on the lower side, so that the workpiece is clamped and fixed by the cooperation of the left clamping claw 2 and the right clamping claw 3;

[0090] 2. The left clamping claw 2 of the device drives the clamping seat 5-2 through the supporting hydraulic rod, thereby driving the support arm 5-5 to move, and the upper and lower left clamping claws 2 are driven by the support arm 5-5 to clamp and release, and the lifting hydraulic rod 12 drives one right clamping claw 3 to move up and down, and the clamping rotary cylinder 17 drives the other right clamping claw 3 to rotate and move, so that the two right clamping claws 3 perform clamping and releasing actions;

[0091] 3. This device sets the right clamping claw 3 on the mounting seat 7-3, and supports the mounting seat 7-3 on the right connecting arm 6-2 through the telescopic guide rod 7-1, so as to realize the left and right linear movement of the mounting seat 7-3, and drives the right connecting arm 6-2 to rotate by rotating the rotary cylinder 6-1, so as to realize the rotation of the mounting seat 7-3, thereby realizing the movement and rotation of the right clamping claw 3, and realizing the mobile placement of the workpiece.

[0092] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A laser cutting machine with automatic positioning and clamping function, comprising a frame (1), a left clamping claw (2), and a right clamping claw (3), wherein the left clamping claw (2) is two and is arranged in front of the frame (1), and the right clamping claw (3) is two and is arranged to the right of the left clamping claw (2); characterized in that: It also contains: A left clamping mechanism (4), wherein the left clamping mechanism (4) is arranged on the frame (1), and the left clamping claw (2) is arranged on the left clamping mechanism (4); The right clamping mechanism (6) is arranged on the right side of the left clamping mechanism (4), and the right clamping claw (3) is arranged on the right clamping mechanism (6).

2. The laser cutting machine with automatic positioning and clamping function according to claim 1, characterized in that: The left clamping mechanism (4) comprises: A left connecting arm (4-1), wherein the left connecting arm (4-1) is fixedly arranged on the left end of the front side wall of the frame (1); A left fixing seat (4-2), wherein the left fixing seat (4-2) is fixedly arranged on the front end of the left connecting arm (4-1); A left guide rod (4-3), wherein the left guide rod (4-3) is fixedly arranged on a left fixed seat (4-2); A left guide sleeve (4-4), wherein the left guide sleeve (4-4) is composed of two symmetrical sleeves arranged on the left guide rod (4-3), and the two left clamping claws (2) are respectively fixedly arranged on the upper and lower left guide sleeves (4-4); A symmetrical clamping assembly (5), wherein the symmetrical clamping assembly (5) is arranged on the left fixed seat (4-2), and the symmetrical clamping assembly (5) is arranged in a transmission manner with the left clamping claw (2).

3. The laser cutting machine with automatic positioning and clamping function according to claim 2, characterized in that: The symmetrical clamping assembly (5) comprises: A clamping hydraulic rod (5-1), wherein the clamping hydraulic rod (5-1) is fixedly arranged on a left fixing seat (4-2); A clamping seat (5-2), wherein the clamping seat (5-2) is fixedly arranged on an output shaft of a clamping hydraulic rod (5-1); A telescopic connecting rod (5-3), wherein the telescopic connecting rod (5-3) is fixedly arranged on the clamping seat (5-2); A telescopic connecting sleeve (5-4), wherein the telescopic connecting sleeve (5-4) is movably mounted on the telescopic connecting rod (5-3); The supporting arms (5-5) are two and coaxially rotatably mounted on the telescopic connecting sleeve (5-4) via a rotating shaft. The ends of the two supporting arms (5-5) away from the telescopic connecting sleeve (5-4) are respectively rotatably mounted on the left clamping claws (2) at the upper and lower sides via the rotating shaft.

4. The laser cutting machine with automatic positioning and clamping function according to claim 3, characterized in that: A screw rod (8) is rotatably mounted on the clamping seat (5-2) via a rotating shaft, and the screw rod (8) is arranged in parallel with the telescopic connecting rod (5-3). The telescopic connecting sleeve (5-4) is mounted on the screw rod (8) via a threaded connection.

5. The laser cutting machine with automatic positioning and clamping function according to claim 4, characterized in that: The right clamping mechanism (6) comprises: A rotary oil cylinder (6-1), wherein the rotary oil cylinder (6-1) is fixedly arranged on the right end of the front side wall of the frame (1); A right connecting arm (6-2), wherein the right connecting arm (6-2) is fixedly arranged on the output shaft of the rotary oil cylinder (6-1); A right fixing seat (6-3), wherein the right fixing seat (6-3) is fixedly arranged on the front end of the right connecting arm (6-2); The mounting assembly (7) is arranged on the right fixing seat (6-3), and the two right clamping claws (3) are arranged on the mounting assembly (7).

6. The laser cutting machine with automatic positioning and clamping function according to claim 5, characterized in that: The installation assembly (7) comprises: A telescopic guide sleeve (7-2), wherein the telescopic guide sleeve (7-2) is fixedly arranged on the right fixed seat (6-3); A telescopic guide rod (7-1), wherein the telescopic guide rod (7-1) is movably inserted into the telescopic guide sleeve (7-2); A mounting seat (7-3), wherein the mounting seat (7-3) is fixedly arranged on the left end of the telescopic guide rod (7-1); A telescopic connecting seat (7-4), wherein the telescopic connecting seat (7-4) is fixedly arranged on the right end of the telescopic guide rod (7-1); A telescopic hydraulic rod (7-5), wherein the telescopic hydraulic rod (7-5) is fixedly arranged on the right fixed seat (6-3), and an output shaft of the telescopic hydraulic rod (7-5) is fixedly arranged on the telescopic connecting seat (7-4).

7. The laser cutting machine with automatic positioning and clamping function according to claim 6, characterized in that: A lifting guide sleeve (9) is fixedly arranged on the left side wall of the mounting seat (7-3), a lifting guide rod (10) is movably inserted in the lifting guide sleeve (9), a lifting connection seat (11) is fixedly arranged on the lower end of the lifting guide rod (10), the upper right clamping claw (3) is fixedly arranged on the lifting connection seat (11), a lifting hydraulic rod (12) is fixedly arranged on the mounting seat (7-3), and the output shaft of the lifting hydraulic rod (12) is fixedly arranged on the lifting connection seat (11).

8. The laser cutting machine with automatic positioning and clamping function according to claim 7, characterized in that: A support shaft (13) is rotatably mounted on the mounting seat (7-3) via a bearing, and a right clamping claw (3) at the lower side is fixedly mounted on the support shaft (13).

9. The laser cutting machine with automatic positioning and clamping function according to claim 8, characterized in that: A transmission shaft (14) is rotatably mounted on the mounting seat (7-3) via a bearing, a worm (15) is fixedly mounted on the left end of the transmission shaft (14), a worm wheel (16) is fixedly mounted on the support shaft (13), the worm (15) and the worm wheel (16) are meshed, a clamping rotary oil cylinder (17) is fixedly mounted on the mounting seat (7-3), and an output shaft of the rotary oil cylinder is connected to the right end of the transmission shaft (14) via a spur gear set.

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