Multi-degree-of-freedom moving device for picosecond laser cutting machine

Abstract

The invention relates to the technical field of laser cutting machines, in particular to a multi-degree-of-freedom moving device for a picosecond laser cutting machine, which comprises a laser cutting device, an electric track is fixedly connected to the upper part in the laser cutting device, and an electric sliding block is slidably connected to the interior of the electric track; the outer wall of the bottom of the electric sliding block is fixedly connected with a fixing box, the outer wall of one side of the fixing box is fixedly connected with a first supporting rod, the outer wall of the first supporting rod is slidably connected with an equipment box, and the outer wall of one side of the equipment box is fixedly connected with a picosecond laser cutting machine body. The picosecond laser cutting machine has the beneficial effects that the equipment box rotates with the rotating shaft as the axis, so that the equipment box drives the picosecond laser cutting machine body to adjust the angle while adjusting the angle of the equipment box, the equipment box rotates with the rotating shaft as the axis, and the picosecond laser cutting machine body can easily adjust the cutting angle; therefore, different machining requirements are met, and the overall working efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of laser cutting machines, and in particular to a multi-degree-of-freedom moving device for picosecond laser cutting machines. Background Art

[0002] With the rapid development of the optoelectronic communication industry, semiconductor materials such as wafers, ceramics, and silicon wafers are widely used in cutting-edge electronic fields due to their excellent performance. With the advancement of science and technology and the needs of the market, the chips using these materials are being driven to develop in the direction of miniaturization, high precision, and high process requirements. Therefore, in the cutting of these materials, laser cutting has also been increasingly widely used, and laser cutting has the advantages of high speed, high precision, non-contact, no pollution, and low consumption.

[0003] The patent application publication number is CN211028610U, which discloses a picosecond laser cutting device. This device effectively realizes the cutting of materials on the carrier platform by picosecond ultraviolet laser. It has a high degree of automation and high processing efficiency. It can be widely used in products with complex processing technology to achieve mass production.

[0004] However, in the prior art, if the picosecond laser cutting device cannot arbitrarily adjust the angle of the laser cutting machine, the use of the laser cutting machine is limited during the material processing process. Summary of the invention

[0005] The object of the present invention is to provide a multi-degree-of-freedom mobile device for a picosecond laser cutting machine to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: the multi-degree-of-freedom mobile device of the picosecond laser cutting machine comprises: a laser cutting device, an electric track is fixedly connected to the upper part of the interior of the laser cutting device, an electric slider is slidably connected to the interior of the electric track, a fixed box is fixedly connected to the outer wall of the bottom of the electric slider, a first support rod is fixedly connected to the outer wall of one side of the fixed box, a device box is slidably connected to the outer wall of the first support rod, and the picosecond laser cutting machine body is fixedly connected to the outer wall of one side of the device box.

[0007] Preferably, a motor is fixedly connected to the interior of the fixed box, a shaft sleeve is fixedly connected to the output end of the motor, a fixing ring is fixedly connected to the outer wall of the shaft sleeve, and a square shell is slidably connected to the outer wall of the shaft sleeve.

[0008] Preferably, an electric telescopic rod 1 is fixedly connected to the outer wall of one side of the fixed ring, an output end of the electric telescopic rod 1 is fixedly connected to the outer wall of one side of the square shell, a guide rod is fixedly connected to the upper part of the outer wall of one side of the square shell, a through hole connecting the outer walls on both sides is opened above the outer wall of the fixed ring, and the outer wall of the guide rod is slidably connected to the inside of the through hole.

[0009] Preferably, the output end of the motor is fixedly connected to the inside of the sleeve near the main shaft, the outer wall of one end of the main shaft is fixedly connected to the main gear, the outer wall of the main shaft is rotatably connected to the mounting block, the outer wall of one side of the mounting block is provided with a square groove, and the inside of the square groove is movably connected to the outer wall of the square shell.

[0010] Preferably, a sliding groove is provided on the outer wall of the other side of the equipment box, the interior of the equipment box is rotatably connected to the outer wall of the main shaft, a circular hole is provided on the outer wall of one end of the first support rod, a rotating shaft is slidably connected to the inside of the circular hole, a driving plate is fixedly connected to the outer wall of one end of the rotating shaft, and a driven wheel is fixedly connected to the outer wall of the other end of the rotating shaft, and the outer wall of the driven wheel is meshingly connected to the outer wall of the main gear.

[0011] Preferably, a gear seat 1 is slidably connected to one side of the interior of the equipment box, an outer wall of one side of the gear seat 1 is meshingly connected to the outer wall of the main gear, and a groove is provided on one side of the gear seat 1.

[0012] Preferably, elastic protrusions are fixedly connected on both sides of the groove, a U-shaped tooth seat is slidably connected inside the groove, the outer wall of the elastic protrusion is in active contact with the outer wall of the U-shaped tooth seat, and the outer wall of one end of the U-shaped tooth seat is fixedly connected to the outer wall of one side of the driving plate.

[0013] Preferably, the outer walls on both sides of the mounting block are fixedly connected to the second support rods, the outer walls of the two second support rods are rotatably connected to the rotating plates, the outer walls of one end of the two rotating plates are fixedly connected to the H-shaped sliders, and the inner walls of the H-shaped sliders are slidably connected to the inside of the slide groove.

[0014] Preferably, a first cavity is opened inside the main shaft, and an electric push rod 2 is fixedly connected inside the cavity, and a fixed rod is fixedly connected to the output end of the electric push rod 2, and a sub-gear is fixedly connected to the outer wall of the fixed rod, and a strip groove is slidably connected to the outer wall of the fixed rod, and the outer wall of the sub-gear is meshingly connected to the outer wall of the top of the U-shaped gear seat.

[0015] Preferably, the outer wall on one side of the equipment box is fixedly connected to a limiting seat, the outer walls of the two limiting seats are movably plugged with limiting teeth, and the outer wall on one side of the limiting teeth is fixedly connected to a fixing block.

[0016] Compared with the prior art, the present invention has the following beneficial effects: The present invention proposes a multi-degree-of-freedom mobile device for a picosecond laser cutting machine. By rotating the equipment box around the rotating axis as the axis, the equipment box can drive the picosecond laser cutting machine body to adjust the angle while adjusting the angle of the equipment box. By rotating the equipment box around the rotating axis as the axis, the picosecond laser cutting machine body can easily adjust the cutting angle to adapt to different processing requirements, thereby improving the overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the laser cutting device of the present invention; Figure 3 This is a schematic diagram of the structure of one side of the picosecond laser cutting machine body of the present invention; Figure 4 This is a schematic diagram of the structure of the other side of the picosecond laser cutting machine body of the present invention; Figure 5 This is a schematic diagram of the internal structure of the equipment box of the present invention; Figure 6 For the present invention Figure 5 A is an enlarged schematic diagram of the structure at location A; Figure 7 This is a schematic diagram of the driving plate structure of the present invention; Figure 8 This is a schematic diagram of the internal structure of the fixed box of the present invention; Fig. 9 For the present invention Figure 8 The enlarged structural diagram at location B; Fig.10 This is a schematic diagram of the main shaft structure of the present invention; Fig.11 This is a schematic diagram of the installation block structure of the present invention; Fig.12 For the present invention Fig.11 Enlarged structural diagram at location C.

[0017] In the figure: 1. laser cutting device; 2. electric track; 3. equipment box; 4. fixed box; 5. electric slider; 6. picosecond laser cutting machine body; 7. first support rod; 71. rotating shaft; 72. driven wheel; 73. driving plate; 8. bushing; 81. fixing ring; 82. motor; 83. square shell; 84. square groove; 85. electric telescopic rod one; 9. mounting block; 91. rotating plate; 92. H-shaped slider; 93. slide groove; 10. U-shaped gear seat; 101. gear seat one; 102. elastic protrusion; 11. main shaft; 111. main gear; 12. secondary gear; 121. electric push rod two; 122. strip groove; 123. fixed rod; 13. moving shell; 131. limit seat; 132. limit tooth; 133. electric telescopic rod three; 134. reset spring; 135. U-shaped groove; 136. fixed block. DETAILED DESCRIPTION

[0018] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, and are not used to limit 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.

[0019] For example, see Figure 1 - Fig.12 The present invention provides a technical solution of a multi-degree-of-freedom mobile device for a picosecond laser cutting machine: the multi-degree-of-freedom mobile device for a picosecond laser cutting machine comprises: a laser cutting device 1, an electric track 2 is fixedly connected to the upper part of the interior of the laser cutting device 1, an electric slider 5 is slidably connected to the interior of the electric track 2, a fixed box 4 is fixedly connected to the outer wall of the bottom of the electric slider 5, a first support rod 7 is fixedly connected to the outer wall of one side of the fixed box 4, a device box 3 is slidably connected to the outer wall of the first support rod 7, a picosecond laser cutting machine body 6 is fixedly connected to the outer wall of one side of the device box 3, a motor 82 is fixedly connected to the interior of the fixed box 4, a shaft sleeve 8 is fixedly connected to the output end of the motor 82, a fixing ring 81 is fixedly connected to the outer wall of the shaft sleeve 8, a square shell 83 is slidably connected to the outer wall of the shaft sleeve 8, an electric telescopic rod 85 is fixedly connected to the outer wall of one side of the fixing ring 81, and an electric The output end of the movable telescopic rod 85 is fixedly connected to the outer wall of one side of the square shell 83, and a guide rod is fixedly connected to the upper part of the outer wall of one side of the square shell 83. A through hole connecting the outer walls on both sides is provided above the outer wall of the fixing ring 81, and the outer wall of the guide rod is slidably connected to the inside of the through hole. The output end of the motor 82 is fixedly connected to the inside of the sleeve 8 near the main shaft 11, and the outer wall of one end of the main shaft 11 is fixedly connected to the main gear 111, and the outer wall of the main shaft 11 is rotatably connected to the mounting block 9, and the outer wall of one side of the mounting block 9 is provided with a square groove 84, and the interior of the square groove 84 is movably plugged into the outer wall of the square shell 83, and the outer walls on both sides of the mounting block 9 are fixedly connected to the second support rods, and the outer walls of the two second support rods are rotatably connected to the rotating plates 91, and the outer walls of one end of the two rotating plates 91 are fixedly connected to the H-shaped sliders 92, and the inner wall of the H-shaped slider 92 is slidably connected to the inside of the slide groove 93.

[0020] The picosecond laser cutting machine body 6 adjusts the angle with the sleeve 8 as the axis. The picosecond laser cutting machine body 6 adjusts the angle as the sleeve 8 rotates, thereby increasing the flexibility of the processing process, allowing the laser cutting machine to cope with more diverse processing needs, cutting on different planes, and performing precise processing on complex curved surfaces. The realization of the angle adjustment function enables the laser cutting machine to adapt to different processing tasks more quickly, and multi-angle cutting can be achieved without changing equipment or adjusting the position of the workpiece, thereby saving time and labor costs and improving processing efficiency.

[0021] Embodiment 2, on the basis of embodiment 1, a first cavity is opened inside the main shaft 11, an electric push rod 121 is fixedly connected inside the cavity, a fixed rod 123 is fixedly connected to the output end of the electric push rod 121, a sub-gear 12 is fixedly connected to the outer wall of the fixed rod 123, a strip groove 122 is slidably connected to the outer wall of the fixed rod 123, and the outer wall of the sub-gear 12 is meshedly connected to the outer wall of the top of the U-shaped gear seat 10.

[0022] The U-shaped gear seat 10 simultaneously drives the gear seat 1 101 and the driving plate 73 to move inside the equipment box 3. Through the coordinated work of the electric push rod 2 121 and the motor 82, precise control and flexible adjustment of the U-shaped gear seat 10 and its accompanying components are achieved, which helps to improve the accuracy and flexibility of laser cutting, allowing the cutting machine to operate more accurately according to the preset processing parameters, reducing errors and waste generation.

[0023] Embodiment 3, on the basis of embodiment 2, a slide groove 93 is provided on the outer wall of the other side of the equipment box 3, the interior of the equipment box 3 is rotatably connected with the outer wall of the main shaft 11, a circular hole is provided on the outer wall at one end of the first support rod 7, and a rotating shaft 71 is slidably connected inside the circular hole, and the outer wall of one end of the rotating shaft 71 is fixedly connected with a driving plate 73, and the outer wall of the other end of the rotating shaft 71 is fixedly connected with a driven wheel 72, and the outer wall of the driven wheel 72 is meshingly connected with the outer wall of the main gear 111, and a gear seat 101 is slidably connected to one side of the interior of the equipment box 3, and the outer wall of one side of the gear seat 101 is meshingly connected with the outer wall of the main gear 111, and a groove is provided on one side of one side of the gear seat 101, and elastic protrusions 102 are fixedly connected on both sides of the interior of the groove, and a U-shaped gear seat 10 is slidably connected inside the groove, and the outer wall of the elastic protrusion 102 is in active contact with the outer wall of the U-shaped gear seat 10, and the outer wall of one end of the U-shaped gear seat 10 is fixedly connected to the outer wall of one side of the driving plate 73.

[0024] By rotating the device box 3 with the rotating shaft 71 as the axis, the device box 3 can drive the picosecond laser cutting machine body 6 to adjust the angle while adjusting the angle of the device box 3. By rotating the device box 3 with the rotating shaft 71 as the axis, the picosecond laser cutting machine body 6 can easily adjust the cutting angle to meet different processing requirements, thereby improving the overall work efficiency. The equipment box 3 can drive the picosecond laser cutting machine body 6 to move up and down, thereby adjusting the distance between the picosecond laser cutting machine body 6 and the product. The up and down movement is achieved through mechanical transmission, which reduces the errors that may be introduced by manual adjustment or other non-mechanical methods. It helps to ensure that the cutting depth is maintained consistently during each processing, thereby improving the processing accuracy and quality of the finished product. The distance between the picosecond laser cutting machine body 6 and the product can be adjusted, so that the laser cutting machine can more flexibly cope with products of different thicknesses, different materials or different shapes, further improving the versatility and use efficiency of the laser cutting machine.

[0025] Embodiment 4, based on embodiment 3, the outer wall of one side of the equipment box 3 is fixedly connected to the limiting seat 131, the outer walls of the two limiting seats 131 are movably inserted with limiting teeth 132, and the outer wall on one side of the limiting teeth 132 is fixedly connected with a fixing block 136.

[0026] When the limiting seat 131 is fixed by the limiting teeth 132, the equipment box 3 can be fixed, ensuring the stability of the equipment during the processing. The stable fixation can reduce the error caused by the movement or vibration of the equipment and improve the processing accuracy and the quality of the finished product.

[0027] Embodiment 5, on the basis of embodiment 4, the interior of the movable shell 13 is slidably connected with a U-shaped groove 135, the outer wall on one side of the U-shaped groove 135 is fixedly connected with a return spring 134, a rotating hole is opened on the fixed block 136, the interior on the other side of the U-shaped groove 135 is fixedly connected with a rotating rod, and the outer wall of the rotating rod is rotatably connected with the interior of the rotating hole.

[0028] The elastic action of the return spring 134 allows the U-shaped groove 135 to be appropriately extended when the device box 3 is adjusted in angle, thereby not restricting the movement of the device box 3. This design enables the device box 3 to be flexibly adjusted at multiple angles. The rotational connection between the fixed block 136 and the U-shaped groove 135 ensures that the limit tooth 132 can maintain synchronous movement with the device box 3 during the angle adjustment process of the device box 3.

[0029] In actual use, first, when the picosecond laser cutting machine body 6 is working, the electric telescopic rod 85 on the fixed ring 81 is started to work, and then the square shell 83 is moved on the outer wall of the sleeve 8 through the operation of the electric telescopic rod 85, so that the square shell 83 enters the square groove 84. At the same time, the square shell 83 drives the guide rod to slide in the through hole, and the square shell 83 is connected with the square groove 84, which is convenient for rapid switching and adaptation in different processing tasks.

[0030] Then, the motor 82 is started to work, and then through the movement of the motor 82, the shaft sleeve 8 can drive the fixed ring 81 to rotate. At the same time, through the action of the guide rod and the electric telescopic rod 85, the square shell 83 can drive the square slot 84 to move, so that the mounting block 9 drives the rotating plate 91 and the H-shaped slider 92 to move, and then the H-shaped slider 92 cooperates with the slide groove 93, and the equipment box 3 can be driven to rotate under the movement of the mounting block 9, so that the picosecond laser cutting machine body 6 moves accordingly, and the picosecond laser cutting machine body 6 can adjust the angle with the shaft sleeve 8 as the axis. The picosecond laser cutting machine body 6 adjusts the angle with the rotation of the shaft sleeve 8, thereby increasing the flexibility of the processing process, allowing the laser cutting machine to cope with more diverse processing needs, cutting on different planes, and performing precise processing on complex curved surfaces. The realization of the angle adjustment function allows the laser cutting machine to adapt to different processing tasks more quickly, and multi-angle cutting can be achieved without changing equipment or adjusting the position of the workpiece, thereby saving time and labor costs and improving processing efficiency.

[0031] By starting the electric push rod 2 121 inside the first cavity to work, and then through the movement of the electric push rod 2 121, the fixed rod 123 can drive the sub-gear 12 to slide inside the strip groove 122, and push the sub-gear 12 to the inside of the U-shaped gear seat 10, so that the sub-gear 12 is meshed and connected with the U-shaped gear seat 10. At this time, through the movement of the motor 82, the main shaft 11 can drive the fixed rod 123 to rotate, and the sub-gear 12 can rotate accordingly. Then, through the rotation of the sub-gear 12, the U-shaped gear seat 10 can simultaneously drive the gear seat 1 101 and the driving plate 73 to move inside the equipment box 3. Through the coordinated work of the electric push rod 2 121 and the motor 82, precise control and flexible adjustment of the U-shaped gear seat 10 and its attached components are achieved, which helps to improve the accuracy and flexibility of laser cutting, so that the cutting machine can operate more accurately according to the preset processing parameters, reducing errors and waste generation.

[0032] When the secondary gear 12 drives the U-shaped tooth seat 10 to move to the right, the driving plate 73 can be pushed to move to the right through the U-shaped tooth seat 10, and then through the movement of the driving plate 73, the rotating shaft 71 can drive the driven wheel 72 to slide on the first support rod 7, and when the driven wheel 72 is meshed and connected with the main gear 111 on the main shaft 11, the main shaft 11 can drive the main gear 111 to rotate, so that the driven wheel 72 can rotate accordingly, and then the rotation of the driven wheel 72 can be used to make the rotating shaft 71 be inclined on the driving plate 73, and when the driving plate 73 moves, the equipment box 3 can be driven to move, so that the equipment box 3 rotates with the rotating shaft 71 as the axis, and the equipment box 3 can drive the picosecond laser cutting machine body 6 to adjust the angle while adjusting the angle of the equipment box 3. By rotating the equipment box 3 with the rotating shaft 71 as the axis, the picosecond laser cutting machine body 6 can easily adjust the cutting angle to adapt to different processing requirements, thereby improving the overall work efficiency.

[0033] When the secondary gear 12 drives the U-shaped tooth seat 10 to move to the left, the U-shaped tooth seat 10 can push the tooth seat 101 to move to the left, and at the same time, the U-shaped tooth seat 10 can drive the driven wheel 72 to move to the left, so that when the driven wheel 72 is separated from the main gear 111, the tooth seat 101 can be meshed and connected with the main gear 111. At this time, when the main gear 111 rotates, it can drive the tooth seat 101 to move up or down, and then through the movement of the tooth seat 101, the equipment box 3 can drive the picosecond laser cutting machine body 6 to move up and down, thereby adjusting the distance between the picosecond laser cutting machine body 6 and the product. The up and down movement is achieved by mechanical transmission, which reduces the error that may be introduced by manual adjustment or other non-mechanical methods, helps to ensure that a consistent cutting depth can be maintained during each processing, thereby improving processing accuracy and finished product quality, and can adjust the distance between the picosecond laser cutting machine body 6 and the product, so that the laser cutting machine can more flexibly cope with products of different thicknesses, different materials or different shapes, further improving the versatility and use efficiency of the laser cutting machine.

[0034] It should be noted that: by means of the elastic protrusion 102 provided inside the tooth holder 101 , when the U-shaped tooth holder 10 stops moving inside the tooth holder 101 , the internal resistance between the U-shaped tooth holder 10 and the tooth holder 101 can be increased.

[0035] When there is no need to move the equipment box 3 up and down and rotate the shaft 71 as the axis, the U-shaped gear seat 10 can be driven by the secondary gear 12 to evenly place the driven wheel 72 and the gear seat 101 on both sides of the main gear 111 without contacting the main gear 111, thereby avoiding unnecessary contact and friction between them, and correspondingly reducing the noise generated by gear meshing, reducing the wear of mechanical parts, and extending the service life of the equipment.

[0036] Then, by starting the movement of the electric telescopic rod 3 133, the movable shell 13 can drive the limiting teeth 132 to plug into the limiting seat 131 through the movement of the electric telescopic rod 3 133, and then through the fixed connection between the limiting seat 131 and the equipment box 3, when the limiting teeth 132 fix the limiting seat 131, the equipment box 3 can be fixed, thereby ensuring the stability of the equipment during the processing. Stable fixation can reduce the errors caused by equipment movement or vibration, and improve processing accuracy and finished product quality.

[0037] By cooperating with the reset spring 134 and the U-shaped groove 135, the U-shaped groove 135 can be extended when the angle of the device box 3 is adjusted. By the rotational connection between the fixed block 136 and the U-shaped groove 135, the limit tooth 132 can move with the device box 3 when the angle of the device box 3 is adjusted. The elastic action of the reset spring 134 allows the U-shaped groove 135 to be appropriately extended when the angle of the device box 3 is adjusted, thereby not restricting the movement of the device box 3. This design allows the device box 3 to be flexibly adjusted at multiple angles. The rotational connection between the fixed block 136 and the U-shaped groove 135 ensures that the limit tooth 132 can maintain synchronous movement with the device box 3 during the angle adjustment process of the device box 3.

[0038] It should be noted that a magnetic block is provided at the portion where the limiting seat 131 and the limiting tooth 132 are plugged in, and the stability between the limiting tooth 132 and the limiting seat 131 is increased through the attraction of the magnetic block.

[0039] 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 multi-degree-of-freedom mobile device for a picosecond laser cutting machine, characterized in that: The multi-degree-of-freedom mobile device of the picosecond laser cutting machine comprises: a laser cutting device (1), an electric track (2) fixedly connected to the upper part of the interior of the laser cutting device (1), an electric slider (5) slidably connected to the interior of the electric track (2), a fixed box (4) fixedly connected to the outer wall of the bottom of the electric slider (5), a first support rod (7) fixedly connected to the outer wall of one side of the fixed box (4), a device box (3) slidably connected to the outer wall of the first support rod (7), and a picosecond laser cutting machine body (6) fixedly connected to the outer wall of one side of the device box (3).

2. A multi-degree-of-freedom mobile device for a picosecond laser cutting machine according to claim 1, characterized in that: A motor (82) is fixedly connected inside the fixed box (4), a shaft sleeve (8) is fixedly connected to the output end of the motor (82), a fixing ring (81) is fixedly connected to the outer wall of the shaft sleeve (8), and a square shell (83) is slidably connected to the outer wall of the shaft sleeve (8).

3. The multi-degree-of-freedom mobile device for a picosecond laser cutting machine according to claim 2, characterized in that: An electric telescopic rod 1 (85) is fixedly connected to the outer wall of one side of the fixing ring (81); an output end of the electric telescopic rod 1 (85) is fixedly connected to the outer wall of one side of the square shell (83); a guide rod is fixedly connected above the outer wall of one side of the square shell (83); a through hole connecting the outer walls on both sides is provided above the outer wall of the fixing ring (81); and the outer wall of the guide rod is slidably connected to the inside of the through hole.

4. The multi-degree-of-freedom mobile device for a picosecond laser cutting machine according to claim 2, characterized in that: The output end of the motor (82) is fixedly connected to a main shaft (11) near the inside of the shaft sleeve (8); the outer wall of one end of the main shaft (11) is fixedly connected to a main gear (111); the outer wall of the main shaft (11) is rotatably connected to a mounting block (9); a square groove (84) is formed on the outer wall of one side of the mounting block (9); the interior of the square groove (84) is movably plugged into the outer wall of the square shell (83).

5. The multi-degree-of-freedom mobile device for a picosecond laser cutting machine according to claim 1, characterized in that: The outer wall of the other side of the equipment box (3) is provided with a slide groove (93), the interior of the equipment box (3) is rotatably connected to the outer wall of the main shaft (11), the outer wall of one end of the first support rod (7) is provided with a circular hole, the interior of the circular hole is slidably connected to a rotating shaft (71), the outer wall of one end of the rotating shaft (71) is fixedly connected to a driving plate (73), the outer wall of the other end of the rotating shaft (71) is fixedly connected to a driven wheel (72), and the outer wall of the driven wheel (72) is meshingly connected to the outer wall of the main gear (111).

6. The multi-degree-of-freedom mobile device for a picosecond laser cutting machine according to claim 5, characterized in that: A gear holder 1 (101) is slidably connected to one side of the interior of the equipment box (3); an outer wall of one side of the gear holder 1 (101) is meshingly connected to an outer wall of a main gear (111); and a groove is provided on one side of the gear holder 1 (101).

7. The multi-degree-of-freedom mobile device for a picosecond laser cutting machine according to claim 6, characterized in that: Elastic protrusions (102) are fixedly connected to both sides of the groove, a U-shaped tooth seat (10) is slidably connected to the inside of the groove, an outer wall of the elastic protrusion (102) is in active contact with an outer wall of the U-shaped tooth seat (10), and an outer wall at one end of the U-shaped tooth seat (10) is fixedly connected to an outer wall at one side of the driving plate (73).

8. The multi-degree-of-freedom mobile device for a picosecond laser cutting machine according to claim 4, characterized in that: The outer walls on both sides of the mounting block (9) are fixedly connected to second support rods, the outer walls of the two second support rods are rotatably connected to a rotating plate (91), the outer walls of one end of the two rotating plates (91) are fixedly connected to an H-shaped sliding block (92), and the inner wall of the H-shaped sliding block (92) is slidably connected to the inside of a sliding groove (93).

9. The multi-degree-of-freedom mobile device for a picosecond laser cutting machine according to claim 5, characterized in that: A first cavity is provided inside the main shaft (11), and a second electric push rod (121) is fixedly connected inside the cavity; a fixing rod (123) is fixedly connected to the output end of the second electric push rod (121); an outer wall of the fixing rod (123) is fixedly connected to a sub-gear (12); a strip groove (122) is slidably connected to the outer wall of the fixing rod (123); and the outer wall of the sub-gear (12) is meshingly connected to the outer wall of the top of the U-shaped gear seat (10).

10. The multi-degree-of-freedom mobile device for a picosecond laser cutting machine according to claim 8, characterized in that: The outer wall of one side of the equipment box (3) is fixedly connected to a limiting seat (131), the outer walls of the two limiting seats (131) are movably plugged with limiting teeth (132), and the outer wall of one side of the limiting teeth (132) is fixedly connected to a fixing block (136).

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