Laser cutting machine
By introducing a rotating support table and an axial rotating seat into the laser cutting machine, the deformation problem of round tubular metal workpieces during cutting is solved, achieving accuracy and stability in the cutting position and adapting to the cutting of workpieces of different lengths.
Patent Information
- Application Number
- CN202422727865.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-11-08
AI Technical Summary
When cutting round tubular metal workpieces, the existing laser cutting equipment causes workpiece deformation due to the clamping method, resulting in inaccurate cutting position, especially for flexible metal tubular parts, where there is a large error.
The rotating support table and axial rotating seat inside the workpiece positioning seat work together with the rotary drive end. The rotating support table supports the weight of the workpiece, while the axial rotating seat and tensioning fixture position the workpiece, thereby realizing the rotary cutting of the workpiece and avoiding deformation.
It achieves stability and positional accuracy in the cutting process, adapts to cutting workpieces of various lengths, and reduces errors caused by deformation.
Smart Images

Figure CN223629695U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of laser cutting machines, belong to cutting equipment, especially pipe workpiece cutting equipment technical field. BACKGROUND
[0002] Current metal workpiece is usually cut by laser cutting equipment, to achieve the effect of flat cutting surface and reduce burr. But based on the different forms of metal workpiece, the cutting method used is also different. Common plate or block only needs to be cut along the reference line, but for round pipe metal workpiece, because its surface area is larger and hollow inside, the laser cutting head cannot cut it along a straight line. Therefore, for this kind of workpiece, the prior art usually uses a special fixture to fix the round pipe workpiece, so that it can rotate, and then cooperate with the cutting head to cut. For example, the common device inserts the pipe into the fixture, and then rotates the fixture. The defect of this method is that the fixture is inserted into one end of the pipe, causing most of the pipe to be suspended, which can easily deform the pipe made of soft metal. In this case, there must be a large error in the cutting position and cross section. Therefore, further improvement is needed. SUMMARY
[0003] The utility model aims at solving the above-mentioned shortcomings, providing a kind of laser cutting machine, cutting process is stable and reliable, simple and reasonable in structure, cutting position is accurate, and loading and unloading process is convenient.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows:
[0005] The laser cutting machine comprises a tooling table and a gantry. The gantry is provided with a transfer table. The transfer table is provided with a laser cutting head. The tooling table is provided with a workpiece positioning seat. The workpiece positioning seat is provided with a plurality of rotating support tables. One end of the workpiece positioning seat is provided with an axial rotating seat. One side of the axial rotating seat close to the workpiece positioning seat is provided with a plurality of tension clamps. The other side of the axial rotating seat opposite to the workpiece positioning seat is provided with a rotary drive end.
[0006] Further, the workpiece positioning seat is provided with a groove. The groove is open at both ends. The width of the groove is greater than the outer diameter of the steel pipe workpiece. The rotating support table comprises at least two.
[0007] Further, the rotating support table is provided with a plurality of universal ball bearings. The rotating support table is provided with a semicircular bearing groove. The universal ball bearings are arranged along the arc surface of the bearing groove. The steel pipe workpiece is coaxially placed in the bearing groove.
[0008] Further, the axial rotating seat is circular; the tensioning clamps comprise at least three; the tensioning clamps comprise fixed blocks and movable blocks arranged on one side of the axial rotating seat.
[0009] Further, each axial rotating seat is provided with three fixed blocks and movable blocks respectively; the axial rotating seat is provided with a slot; the movable blocks are slidably connected in the slot; the axial rotating seat is provided with a cylinder on the other side of the fixed blocks and movable blocks; the cylinder corresponds to the movable blocks one by one; the piston end of the cylinder is connected with the movable blocks; the side wall of the steel pipe workpiece is clamped between the fixed blocks and the movable blocks.
[0010] Further, the rotary drive end comprises a bracket; the bracket is arranged on the other side of the axial rotating seat relative to the workpiece positioning seat; the rotary drive end further comprises a motor.
[0011] Further, the output shaft of the motor is connected with the shaft center of the axial rotating seat.
[0012] The utility model has the following beneficial effects: most of the weight of the workpiece is supported on the rotating support table in the workpiece positioning seat, and the other end of the workpiece is positioned by the tensioning clamp on the axial rotating seat; the axial rotating seat can be rotated under the driving of the rotary drive end, thereby driving the rotation of the workpiece, so that the workpiece is cut in a surrounding manner by the laser cutting head. The design can adapt to workpieces of various length ranges, and most of the weight of the workpiece is borne by the rotating support table, and the axial rotating seat and the tensioning clamp only need to provide a torque to make it rotate. The deformation of the workpiece due to the length causes inaccurate cutting position. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0014] Figure 2 It is a schematic diagram of the internal structure of the workpiece positioning seat.
[0015] Figure 3 It is a schematic diagram of the structure of the axial rotating seat.
[0016] Figure 4 It is a schematic diagram of the structure of the axial rotating seat and the rotary drive end.
[0017] Wherein: 1 is a tooling table, 2 is a gantry, 3 is a laser cutting head, 4 is a workpiece positioning seat, 5 is a rotating support table, 5-1 is a bearing groove, 6 is an axial rotating seat, 7 is a fixed block, 8 is a movable block, 9 is a cylinder, 10 is a bracket, 11 is a motor. DETAILED DESCRIPTION
[0018] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0019] The terms used herein, including technical and scientific terms, have the same meanings as the terms generally understood by those skilled in the art, unless the terms are defined differently. It should be understood that the terms defined in the generally used dictionaries have the same meanings as the meanings of the terms in the prior art.
[0020] Referring to Figures 1-4
[0021] The laser cutting machine comprises a tooling table 1 and a gantry 2; the gantry 2 is provided with a transfer table; the transfer table is provided with a laser cutting head 3; the tooling table 1 is provided with a workpiece positioning seat 4; the workpiece positioning seat 4 is provided with a plurality of rotating support tables 5; one end of the workpiece positioning seat 4 is provided with an axial rotating seat 6; one side of the axial rotating seat 6 close to the workpiece positioning seat 4 is provided with a plurality of tension clamps; the other side of the axial rotating seat 6 away from the workpiece positioning seat 4 is provided with a rotary drive end.
[0022] Further, the workpiece positioning seat 4 is provided with a groove; the groove is open at both ends; the width of the groove is greater than the outer diameter of the steel pipe workpiece; the rotating support table 5 comprises at least two.
[0023] Further, the rotating support table 5 is provided with a plurality of universal ball bearings; the rotating support table 5 is provided with a semicircular bearing groove 5-1; the universal ball bearings are arranged along the arc surface of the bearing groove 5-1; the steel pipe workpiece is coaxially arranged in the bearing groove 5-1.
[0024] Specifically, in the embodiment, most of the weight of the metal pipe is supported on the support table 5 in the workpiece positioning seat 4; since the support table 5 is provided with a plurality of universal ball bearings, when the rotary drive end drives the axial rotating seat 6 and the metal workpiece to rotate, the metal pipe can easily rotate on the rotating support table 5, and the rotating support table 5 can support the weight of the metal workpiece without interfering with the rotary motion.
[0025] Further, the axial rotating seat 6 is circular; the tension clamp comprises at least three; the tension clamp comprises a fixed block 7 and a movable block 8 arranged on one side of the axial rotating seat 6.
[0026] Further, each axial rotating seat 6 has three fixed blocks 7 and movable blocks 8 respectively; the axial rotating seat 6 is provided with a slot; the movable block 8 is slidably connected in the slot; the axial rotating seat 6 is provided with a cylinder 9 on the other side relative to the fixed block 7 and the movable block 8; the cylinder 9 corresponds to the movable block 8 one by one; the piston end of the cylinder 9 is connected with the movable block 8; the sidewall of the steel pipe workpiece is clamped between the fixed block 7 and the movable block 8.
[0027] Specifically, in the embodiment, the end of the metal pipe is abutted against the axial rotating seat 6, and the outer wall of the metal pipe is limited by the movable blocks 8, at this time, the cylinder 9 is started to push the movable blocks 8 to translate along the slot, and finally the movable blocks 8 can abut against the inner wall of the metal pipe. Finally, the fixed blocks and the movable blocks can be clamped from the inner and outer sides to form the clamping of the sidewall of the metal pipe.
[0028] Further, the rotary drive end includes a bracket 10; the bracket 10 is arranged on the other side of the axial rotating seat 6 relative to the workpiece positioning seat 4; the rotary drive end further includes a motor 11.
[0029] Further, the output shaft of the motor 11 is connected with the shaft of the axial rotating seat 6.
[0030] When one end of the metal pipe is clamped and positioned by the tension clamp, the metal pipe can be positioned with the axial rotating seat 6, so as to be synchronized with the axial rotating seat 6. The axial rotating seat 6 can be rotated under the driving of the motor 11.
[0031] Finally, it is to be explained that the above embodiment is only used to illustrate the technical scheme of the present application, but is not limited. Although the present application is described in detail with reference to the preferred embodiment, those skilled in the art should understand that the technical scheme of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.
Claims
1. A laser cutting machine, comprising a tooling table (1) and a gantry (2); a transfer table is arranged on the gantry (2); a laser cutting head (3) is arranged on the transfer table, characterized in that: The tooling table (1) is provided with a workpiece positioning seat (4); the workpiece positioning seat (4) is provided with a plurality of rotating support tables (5); one end of the workpiece positioning seat (4) is provided with an axial rotating seat (6); one side of the axial rotating seat (6) close to the workpiece positioning seat (4) is provided with a plurality of tension clamps; the other side of the axial rotating seat (6) relative to the workpiece positioning seat (4) is provided with a rotary drive end.
2. The laser cutting machine according to claim 1, characterized in that: The workpiece positioning seat (4) is provided with a groove; the groove is open at both ends; the width of the groove is greater than the outer diameter of the steel pipe workpiece; the rotating support table (5) includes at least two.
3. The laser cutting machine of claim 2, wherein: The rotating support table (5) is provided with a plurality of universal ball bearings; the rotating support table (5) is provided with a semicircular bearing groove (5-1); the universal ball bearings are arranged along the arc surface of the bearing groove (5-1); the steel pipe workpiece is coaxially placed in the bearing groove (5-1).
4. The laser cutting machine of claim 3, wherein: The axial rotating seat (6) is circular; the tension clamp includes at least three; the tension clamp includes a fixed block (7) and a movable block (8) arranged on one side of the axial rotating seat (6).
5. The laser cutting machine of claim 4, wherein: Each axial rotating seat (6) has three fixed blocks (7) and movable blocks (8) respectively; the axial rotating seat (6) is provided with a strip hole; the movable block (8) is slidably connected in the strip hole; the other side of the axial rotating seat (6) relative to the fixed block (7) and the movable block (8) is provided with a gas cylinder (9); the gas cylinder (9) corresponds to the movable block (8) one by one; the piston end of the gas cylinder (9) is connected with the movable block (8); the side wall of the steel pipe workpiece is clamped between the fixed block (7) and the movable block (8).
6. The laser cutting machine of claim 5, wherein: The rotary drive end includes a bracket (10); the bracket (10) is arranged on the other side of the axial rotating seat (6) relative to the workpiece positioning seat (4); the rotary drive end further includes a motor (11).
7. The laser cutting machine of claim 6, wherein: The output shaft of the motor (11) is connected with the shaft center of the axial rotating seat (6).