Clamping device of laser cutting machine

Abstract

The utility model provides a clamping device of a laser cutting machine, which relates to the technical field of laser cutting and comprises a working table, an adjusting mechanism is arranged in the working table and comprises a bidirectional threaded rod, and two movable supports are arranged above the working table. According to the clamping device of the laser cutting machine, the adjusting mechanism is arranged, according to the length of a plate to be fixed, a rotating handle is rotated to enable a rotating rod and a second bevel gear to rotate, a first bevel gear and a two-way threaded rod rotate synchronously, and two threaded rings can drive a movable support to move through rotation of the two-way threaded rod; according to the device, the two movable supports are arranged, so that the distance between the two movable supports is changed, the two sides of a plate are placed above the two movable supports after adjustment is completed, then the plate is extruded and fixed through descending of a plurality of pressing blocks, and therefore the effect that the device can fix the plates of different sizes is achieved, and the applicability is higher.

Description

Technical Field

[0001] The utility model relates to a clamping device, in particular to a clamping device of a laser cutting machine, belonging to the technical field of laser cutting. Background Art

[0002] Laser cutting uses a focused high-power density laser beam to irradiate the workpiece, causing the irradiated material to melt, vaporize, ablate or reach ignition point rapidly, while using a high-speed airflow coaxial with the beam to blow away the molten material, thereby achieving the cutting of the workpiece.

[0003] A clamping device for a laser cutting machine disclosed in Chinese patent CN218836506U includes a workbench, the workbench is connected with a plurality of evenly distributed height adjustment mechanisms, an L-shaped plate is connected to one end of the workbench away from the height adjustment mechanism, a laser cutting assembly is connected to one end of the L-shaped plate close to the workbench, the workbench is connected with two symmetrical clamping mechanisms, each clamping mechanism is connected with a limited position mechanism, an irregular annular column is connected to the outer end of the clamping mechanism, a plurality of evenly distributed clamping holes are opened at one end of the irregular annular column away from the workbench, the clamping mechanism includes a follower shaft rotatably connected to the workbench, a rotating plate is connected to one end of the follower shaft away from the workbench, a screw is threadedly connected to the rotating plate, and a clamping plate is rotatably connected to one end of the screw close to the workbench. The utility model realizes the effect of preventing the clamping member from falling off while clamping the plate to be cut, thereby improving the working efficiency of the laser cutting machine.

[0004] Before laser cutting the plate, a clamping device is required to fix the plate. When used, the above patent has the problem that the operation is cumbersome and the plate cannot be adjusted accordingly according to the size of the plate. Summary of the invention

[0005] The purpose of the utility model is to provide a clamping device for a laser cutting machine in order to solve the above problems, so as to solve the problem in the prior art that the clamping operation of the plate is relatively cumbersome and cannot be adjusted accordingly according to the size of the plate.

[0006] The utility model is implemented through the following technical scheme: a clamping device of a laser cutting machine, comprising a workbench, an adjusting mechanism is arranged inside the workbench, the adjusting mechanism comprises a bidirectional threaded rod, two movable brackets are arranged above the workbench, the bottom surface of each movable bracket is fixedly connected with a threaded ring, the interior of each threaded ring is threadedly connected to the bidirectional threaded rod, the outer surface of the bidirectional threaded rod is fixedly connected with a bevel gear 1, the interior of the workbench is provided with a bevel gear 2, the bevel gear 1 is meshed with the bevel gear 2, four transverse grooves are opened inside the workbench, each of the transverse grooves is slidably connected to the corresponding movable bracket, and a fixing mechanism is arranged above each of the movable brackets.

[0007] Preferably, the workbench is internally rotatably connected with two rotating shafts, each rotating shaft is fixedly connected to the outer surface of the bidirectional threaded rod, and by setting up the two rotating shafts, the bidirectional threaded rod can rotate inside the workbench and support the bidirectional threaded rod.

[0008] Preferably, a guide rod is fixedly connected to the inside of the workbench, and a sliding ring is fixedly connected to the bottom surface of each movable bracket, and each sliding ring is slidably connected to the guide rod. The sliding ring slides on the guide rod, thereby limiting the moving direction of the movable bracket, and the guide rod can serve as an auxiliary support for the movable bracket.

[0009] Preferably, the workbench is internally rotatably connected to a rotating rod, one end of the rotating rod is fixedly connected to bevel gear 2, and the end of the rotating rod away from bevel gear 2 is fixedly connected to a rotating handle, so that the staff can drive the rotating rod and bevel gear 2 to rotate outside the workbench by rotating the rotating handle, which is convenient for the staff to operate.

[0010] Preferably, each of the fixing mechanisms comprises a lifting frame, and the outer surface of each of the lifting frames is fixedly connected with equidistantly distributed pressing blocks, and the plate is pressed by controlling the pressing blocks to descend, thereby completing the fixing of the plate by the device.

[0011] Preferably, the upper surface of each mobile bracket is fixedly connected to a fixing plate, the bottom surface of each fixing plate is fixedly connected to a hydraulic telescopic rod, and the extending end of each hydraulic telescopic rod is fixedly connected to the corresponding lifting frame. The position of the hydraulic telescopic rod is fixed by setting the fixing plate, and the hydraulic telescopic rod can provide power for the lifting frame to be lifted and lowered.

[0012] Preferably, each of the mobile brackets is provided with sliding grooves distributed at equal distances inside, each of the sliding grooves is slidably connected to the outer surface of the corresponding lifting frame, and a positioning baffle is fixedly connected to the upper surface of each mobile bracket. The lifting frame slides along the inner wall of the sliding groove when lifting, and the positioning baffle can limit one end surface of the plate, making it convenient for staff to repeatedly position plates of the same size.

[0013] The utility model provides a clamping device for a laser cutting machine, which has the following beneficial effects:

[0014] The clamping device of the laser cutting machine is provided with an adjustment mechanism. According to the length of the plate to be fixed, the handle is rotated to rotate the rotating rod and the bevel gear 2, so that the bevel gear 1 and the bidirectional threaded rod rotate synchronously. The rotation of the bidirectional threaded rod allows the two threaded rings to move with the movable bracket, thereby changing the distance between the two movable brackets. After the adjustment is completed, the two sides of the plate are placed above the two movable brackets, and then the plate is squeezed and fixed by descending multiple pressing blocks, so that the device can fix plates of different sizes, and has stronger applicability.

[0015] The clamping device of the laser cutting machine is provided with a fixing mechanism. After the plate is placed on the movable bracket, one end face of the plate is brought into contact with the positioning baffle. By continuing to rotate the handle, the two movable brackets can clamp the two side faces of the plate. The lifting frame is driven down by the hydraulic telescopic rod, so that multiple pressure blocks descend to press and fix the upper end face of the plate, so that the fixing mechanism can limit and fix the plate in multiple places, thereby improving the stability of the device in fixing the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal cross-sectional structure of the workbench of the utility model;

[0018] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 It is a schematic diagram of the split structure of the mobile bracket of the utility model.

[0020] Description of Reference Numerals

[0021] 1. Workbench;

[0022] 2. Adjustment mechanism; 201. Bidirectional threaded rod; 202. Moving bracket; 203. Threaded ring; 204. Bevel gear 1; 205. Bevel gear 2; 206. Rotating shaft; 207. Guide rod; 208. Sliding ring; 209. Rotating rod; 210. Rotating handle; 211. Horizontal groove;

[0023] 3. Fixing mechanism; 301. Lifting frame; 302. Pressing block; 303. Fixing plate; 304. Hydraulic telescopic rod; 305. Sliding groove; 306. Positioning baffle. DETAILED DESCRIPTION

[0024] The embodiment of the utility model provides a clamping device for a laser cutting machine.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a workbench 1, an adjusting mechanism 2 is arranged inside the workbench 1, the adjusting mechanism 2 includes a bidirectional threaded rod 201, two movable brackets 202 are arranged above the workbench 1, the bottom surface of each movable bracket 202 is fixedly connected with a threaded ring 203, the interior of each threaded ring 203 is threadedly connected with the bidirectional threaded rod 201, and the distance between the two movable brackets 202 can be changed by driving the bidirectional threaded rod 201 to rotate.

[0026] The outer surface of the bidirectional threaded rod 201 is fixedly connected with a bevel gear 1 204, and a bevel gear 2 205 is provided inside the workbench 1. The bevel gear 1 204 is meshed with the bevel gear 2 205. By driving the bevel gear 2 205 to rotate, the bevel gear 1 204 rotates synchronously, thereby driving the bidirectional threaded rod 201 to rotate inside the workbench 1.

[0027] Four transverse grooves 211 are provided inside the workbench 1, and each transverse groove 211 is slidably connected to the corresponding mobile bracket 202. A fixing mechanism 3 is provided above each mobile bracket 202 to provide space for the mobile bracket 202 to move by providing the transverse groove 211, thereby preventing the mobile bracket 202 from being interfered with during movement.

[0028] Please refer to Figure 1 and Figure 2 The workbench 1 is internally rotatably connected with two rotating shafts 206, and each rotating shaft 206 is fixedly connected to the outer surface of the bidirectional threaded rod 201. By setting the two rotating shafts 206, the bidirectional threaded rod 201 can rotate inside the workbench 1 and can support the bidirectional threaded rod 201.

[0029] Please refer to Figure 2 and Figure 4 A guide rod 207 is fixedly connected to the inside of the workbench 1, and a sliding ring 208 is fixedly connected to the bottom surface of each mobile bracket 202. Each sliding ring 208 is slidably connected to the guide rod 207. The sliding ring 208 slides on the guide rod 207, thereby limiting the moving direction of the mobile bracket 202, and the guide rod 207 can play an auxiliary supporting role for the mobile bracket 202.

[0030] Please refer to Figure 1 , Figure 2 and Figure 3The workbench 1 is internally rotatably connected with a rotating rod 209, one end of the rotating rod 209 is fixedly connected to the bevel gear 205, and the end of the rotating rod 209 away from the bevel gear 205 is fixedly connected with a rotating handle 210. By rotating the rotating handle 210, the staff can drive the rotating rod 209 and the bevel gear 205 to rotate outside the workbench 1, which is convenient for the staff to operate.

[0031] Please refer to Figure 1 and Figure 4 Each fixing mechanism 3 includes a lifting frame 301, and the outer surface of each lifting frame 301 is fixedly connected with equidistantly distributed pressing blocks 302. The pressing blocks 302 are controlled to descend to squeeze the plate, thereby completing the fixing of the plate by the device.

[0032] Please refer to Figure 1 and Figure 4 The upper surface of each mobile bracket 202 is fixedly connected to a fixing plate 303, and the bottom surface of each fixing plate 303 is fixedly connected to a hydraulic telescopic rod 304. The extending end of each hydraulic telescopic rod 304 is fixedly connected to the corresponding lifting frame 301. The position of the hydraulic telescopic rod 304 is fixed by setting the fixing plate 303, and the hydraulic telescopic rod 304 can provide power for the lifting frame 301 to be lifted and lowered.

[0033] Please refer to Figure 1 and Figure 4 Each mobile bracket 202 is provided with sliding grooves 305 distributed at equal distances inside, and each sliding groove 305 is slidably connected to the outer surface of the corresponding lifting frame 301. A positioning baffle 306 is fixedly connected to the upper surface of each mobile bracket 202. The lifting frame 301 will slide along the inner wall of the sliding groove 305 when lifting. The positioning baffle 306 can limit one end surface of the plate, which is convenient for the staff to repeatedly position the plates of the same size.

[0034] When the utility model is in use, according to the length of the plate to be fixed, the rotating handle 210 is rotated to rotate the rotating rod 209 and the second bevel gear 205, so that the first bevel gear 204 and the bidirectional threaded rod 201 rotate synchronously, and the two threaded rings 203 can move with the movable bracket 202 through the rotation of the bidirectional threaded rod 201. At the same time, by setting the guide rod 207 and the sliding ring 208, the moving direction of the movable bracket 202 can be limited, and the stability of the movable bracket 202 when moving can be ensured. 2, the plate is placed above the two mobile brackets 202 so that one end surface of the plate contacts the positioning baffle 306, and the mobile brackets 202 support both sides of the plate. Then, the two mobile brackets 202 clamp the two side surfaces of the plate by rotating the handle 210, and then the lifting frame 301 is driven to descend by the hydraulic telescopic rod 304. The plate is squeezed and fixed by the descent of multiple pressing blocks 302, thereby improving the stability of the device in fixing the plate. The device is suitable for plates of different sizes and is easy to operate.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A clamping device for a laser cutting machine, comprising a workbench (1), characterized in that: An adjustment mechanism (2) is provided inside the workbench (1), the adjustment mechanism (2) comprises a bidirectional threaded rod (201), two movable brackets (202) are provided above the workbench (1), the bottom surface of each movable bracket (202) is fixedly connected to a threaded ring (203), the interior of each threaded ring (203) is threadedly connected to the bidirectional threaded rod (201), the outer surface of the bidirectional threaded rod (201) is fixedly connected to a bevel gear 1 (204), the interior of the workbench (1) is provided with a bevel gear 2 (205), the bevel gear 1 (204) is meshed with the bevel gear 2 (205), four transverse grooves (211) are provided inside the workbench (1), each transverse groove (211) is slidably connected to a corresponding movable bracket (202), and a fixing mechanism (3) is provided above each movable bracket (202). Each of the fixing mechanisms (3) comprises a lifting frame (301), and the outer surface of each of the lifting frames (301) is fixedly connected with pressing blocks (302) distributed at equal distances. Each movable bracket (202) is provided with sliding grooves (305) distributed at equal distances inside, each sliding groove (305) is slidably connected to the outer surface of the corresponding lifting frame (301), and a positioning baffle (306) is fixedly connected to the upper surface of each movable bracket (202).

2. The clamping device for a laser cutting machine according to claim 1, characterized in that: The workbench (1) is internally rotatably connected to two rotation shafts (206), and each rotation shaft (206) is fixedly connected to the outer surface of the bidirectional threaded rod (201).

3. The clamping device for a laser cutting machine according to claim 1, characterized in that: A guide rod (207) is fixedly connected inside the workbench (1), a sliding ring (208) is fixedly connected to the bottom surface of each movable bracket (202), and each sliding ring (208) is slidably connected to the guide rod (207).

4. The clamping device for a laser cutting machine according to claim 1, characterized in that: A rotating rod (209) is rotatably connected inside the workbench (1), one end of the rotating rod (209) is fixedly connected to the second bevel gear (205), and one end of the rotating rod (209) away from the second bevel gear (205) is fixedly connected to a rotating handle (210).

5. The clamping device for a laser cutting machine according to claim 1, characterized in that: The upper surface of each mobile bracket (202) is fixedly connected to a fixing plate (303), the bottom surface of each fixing plate (303) is fixedly connected to a hydraulic telescopic rod (304), and the extended end of each hydraulic telescopic rod (304) is fixedly connected to the corresponding lifting frame (301).

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