CN210334814U

CN210334814U - Laser cutting machine workbench

Info

Publication number: CN210334814U
Application number: CN201921260255.6U
Authority: CN
Inventors: 李望星
Original assignee: Zhongshan King Laser Equipment Co ltd
Current assignee: Zhongshan King Laser Equipment Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-17
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a laser cutting machine workstation belongs to laser cutting technical field. The device mainly comprises a bracket, a conveying device, a sheet stock feeding mechanism, a workpiece table, a supporting assembly, a lifting device and a slide rail; the conveying device is fixedly arranged on the support, a sheet material feeding mechanism is arranged on the support at the rear end of the conveying device, and a lifting device is arranged below the sheet material feeding mechanism; the utility model adopts the conveying roller to effectively reduce the friction force of the sheet material in the feeding process; the sheet material feeding mechanism provides power through the driving wheel, and the driven wheel can automatically move upwards according to the thickness of the sheet material to clamp and feed the sheet material with different thicknesses; a lifting device is arranged below the workbench, and is properly lowered in the sheet feeding process, so that the supporting assembly is prevented from contacting with the lower surface of the sheet, and the supporting assembly is prevented from scratching the lower surface of the sheet; the rail wheels are installed at the bottom of the lifting device, unloading is not needed after machining, and the workpiece can be taken out by directly lowering the workbench and pulling out the workbench.

Description

Laser cutting machine workbench

Technical Field

The utility model belongs to the technical field of laser cutting, in particular to laser cutting machine workstation.

Background

The laser cutting is to irradiate the workpiece with focused high-power-density laser beam to melt, gasify, ablate or reach burning point of the irradiated material, and to blow off the molten matter with the help of high-speed airflow coaxial with the beam, so as to achieve the cutting purpose along with the movement of the relative position of the beam and the workpiece. The laser cutting has the advantages of high precision, high processing speed, small surface deformation, smooth cut, low processing cost and the like. The laser cutting has narrow cutting seams, and the cuts have no mechanical stress and no cutting burrs. In the laser cutting process, high-pressure gas coaxial with the light beam is required to blow away the melt, so that a support cannot block the gas below the cut material, and the cutting effect is affected. The working platforms of the laser cutting equipment are generally knife strip platforms and strip steel plate platforms with sawteeth which are distributed at intervals, the lower surface of a plate can be scratched due to large friction force, and the plate cannot directly move on the platform. But because the lower surface of the slab must have a support structure to support it.

Disclosure of Invention

In order to overcome the problem that exists among the background art, the utility model provides a laser cutting machine workstation makes the sheet material contactless with bearing structure feeding the in-process, avoids the problem of fish tail sheet material lower surface among the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: a laser cutting machine workbench mainly comprises a bracket, a conveying device, a sheet material feeding mechanism, a workpiece table, a supporting assembly and a lifting device; the conveying device is fixedly arranged on the support, the support at the rear end of the conveying device is provided with a sheet material feeding mechanism, a lifting device is arranged below the sheet material feeding mechanism, the top of the lifting device is provided with a workpiece table, and the supporting assembly is arranged on the workpiece table.

The conveying device comprises a cross beam and a conveying roller; two crossbeams are fixedly arranged on the support in parallel, and conveying rollers are uniformly arranged on the two crossbeams through bearings respectively.

The sheet stock feeding mechanism comprises a fixed frame, a driving wheel, a driven wheel, a driving shaft, a pressure lever, an elastic component and a first motor; the two fixing frames are fixedly arranged at the tops of two sides of the support at the rear end of the conveying device, and the fixing frames are provided with plate lead plates and supporting plates with the same height; the first motor is fixedly installed on the support, a driving shaft connected with the first motor through a coupler is installed on a fixing frame between the sheet material lead plate and the supporting plate through a bearing, the driving wheel is installed on the driving shaft, the upper end of the pressing rod is hinged to the fixing frame, the driven wheel is installed at the lower end of the pressing rod, and two ends of the elastic assembly in a compression state are respectively hinged to the fixing frame and the pressing rod.

The elastic component comprises a guide pipe, a movable rod and a spring; the spring is inserted into the guide tube, and the movable rod is inserted into the guide tube.

The lifting device comprises a shear fork, a hinge rod, a sliding shaft, a driving beam, a driven beam, a screw rod, a second motor, a pulley, an upper sliding rail and a lower sliding rail; the middle parts of the two groups of shear forks are respectively hinged to the two ends of the hinge rod, the sliding shaft is installed at the top of one side of the two groups of shear forks, pulleys are installed at the two ends of the sliding shaft, the pulleys installed at the two ends of the sliding shaft are arranged in the upper sliding rails at the bottom of the workpiece table, the tops of the other sides of the two groups of shear forks are hinged to the bottom of the workpiece table, the lower ends of the same sides of the two groups of shear forks are respectively hinged to the driving beam and the driven beam, the pulleys are installed at the two ends of the driving beam and the driven beam respectively, the pulleys at the same sides of the driving beam and the driven beam are installed in the corresponding lower sliding rails, the two lower sliding rails are parallelly installed on the support legs of the support, the screw rod is installed in.

The supporting component comprises a fixing block and a supporting piece, the fixing block is arranged on the workpiece table, and the supporting piece is arranged on the fixing block.

The utility model has the advantages that:

the conveying device of the utility model adopts the driven conveying roller, reduces the friction force of the sheet material in the feeding process, is convenient for the sheet material feeding mechanism to feed the sheet material, and is beneficial to reducing the load of the motor; the sheet material feeding mechanism provides power through the driving wheel and is assisted by the driven wheel, so that the sheet material is conveniently fed, and the driven wheel can automatically move upwards according to the thickness of the sheet material and is suitable for feeding the sheet materials with various sizes; a lifting device is arranged below the workpiece table, and is properly lowered in the processes of feeding and replacing the sheet material, so that the supporting assembly is prevented from contacting with the lower surface of the sheet material, and the supporting assembly is prevented from scratching the lower surface of the sheet material; a lifting device and a pulley are arranged below the workpiece table, so that the workpiece can be conveniently taken out, the workpiece does not need to be unloaded after being processed, and the workpiece table is directly lowered and pulled out to take out the workpiece.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a schematic perspective view of the working state of the present invention when the sheet material starts to be clamped.

Fig. 4 is a perspective view of the fixing frame of the sheet feeding mechanism of the present invention.

Fig. 5 is an exploded perspective view of the elastic assembly of the present invention.

Fig. 6 is a schematic perspective view of the lifting device, the workpiece table and the supporting component of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

The utility model discloses a laser cutting machine workbench, which mainly comprises a bracket 1, a conveying device 2, a sheet material feeding mechanism 3, a workpiece platform 4, a supporting component 5 and a lifting device 6; the conveying device 2 is fixedly arranged on the support 1, a sheet material feeding mechanism 3 is arranged on the support 1 at the rear end of the conveying device 2, a lifting device 6 is arranged below the sheet material feeding mechanism 3, a workpiece table 4 is arranged at the top of the lifting device 6, and a supporting assembly 5 is arranged on the workpiece table 4; the lifting device is arranged below the workpiece table and properly lowered in the process of feeding and replacing the plate, so that the supporting assembly is prevented from contacting with the lower surface of the plate, and the supporting assembly is prevented from scratching the lower surface of the plate.

The conveying device 2 comprises a cross beam 21 and a conveying roller 22; the two beams 21 are fixedly arranged on the bracket 1 in parallel, and the two beams 21 are respectively and uniformly provided with conveying rollers 22 through bearings; the conveying device 2 adopts the conveying roller 22 which can rotate freely, so that the friction force between the plate and the workbench in the feeding process is reduced, a plate feeding mechanism is convenient to feed the plate, and the load of a motor is reduced; flanges are arranged at two ends of the conveying roller 22, and the two sides of the plate can be limited.

The sheet material feeding mechanism 3 comprises a fixed frame 31, a driving wheel 32, a driven wheel 33, a driving shaft 34, a pressure lever 35, an elastic component 36 and a first motor 37; the two fixing frames 31 are fixedly arranged at the tops of two sides of the bracket 1 at the rear end of the conveying device 2, and the fixing frames 31 are provided with plate lead plates 311 and supporting plates 312 which are consistent in height; the first motor 37 is fixedly installed on the support 1, the driving shaft 34 connected with the first motor 37 through the coupler is installed on the fixed mount 31 between the sheet material lead plate 311 and the supporting plate 312 through a bearing, the driving wheel 32 is installed on the driving shaft 34, the upper end of the compression rod 35 is hinged on the fixed mount 31, the driven wheel 33 is installed at the lower end of the compression rod 35, and two ends of the elastic component 36 in a compression state are respectively hinged on the fixed mount 31 and the compression rod 35; the fixed frame 31 is provided with a sheet material lead plate 311 to ensure that the position before the sheet material is clamped is just between the driving wheel 32 and the driven wheel 33, and the fixed frame 31 is provided with a support plate 312 which is mainly used for supporting the fed sheet material; the sheet material feeding mechanism 3 is assisted by driving the driving wheel 32 and the driven wheel 33 through the motor, so that the sheet materials can be conveniently fed, the elastic component 36 provides pressure for the driven wheel 33, the driving wheel 32 and the driven wheel 33 clamp the sheet materials, and the driven wheel can automatically compress the elastic component 36 according to the thickness of the sheet materials, so that the sheet material feeding mechanism is suitable for clamping and feeding the sheet materials with various thicknesses.

The elastic component 36 comprises a guide tube 361, a movable rod 362 and a spring 363; the spring 363 is inserted into the guide tube 361, and the movable rod 362 is inserted into the guide tube 361; the two ends of the elastic component 36 are hinged to avoid the elastic component 36 bearing bending stress.

The lifting device 6 comprises a shear fork 61, a hinged rod 62, a sliding shaft 63, a driving beam 64, a driven beam 65, a screw rod 66, a second motor 67, a pulley 68, an upper sliding rail 69 and a lower sliding rail 7; the middle parts of two groups of shear forks 61 are respectively hinged to two ends of a hinge rod 62, a sliding shaft 63 is installed at the top of one side of the two groups of shear forks 61, pulleys 68 are installed at two ends of the sliding shaft 63, the pulleys 68 installed at two ends of the sliding shaft 63 are arranged in an upper sliding rail 69 at the bottom of a workpiece table 4, the top of the other side of the two groups of shear forks 61 is hinged to the bottom of the workpiece table 4, the lower ends of the two groups of shear forks 61 on the same side are respectively hinged to a driving beam 64 and a driven beam 65, the pulleys 68 are installed at two ends of the driving beam 64 and the driven beam 65, the pulleys 68 on the same side of the driving beam 64 and the driven beam 65 are installed in corresponding lower sliding rails 7, the two lower sliding rails 7 are installed on supporting legs of a support 1 in parallel, a screw rod 66 is installed at the middle part of the driven beam 65 through a bearing; a lifting device 6 is arranged below the workbench, and the lifting device 6 is properly lowered in the sheet feeding process, so that the supporting assembly is prevented from contacting with the lower surface of the sheet, and the supporting assembly is prevented from scratching the lower surface of the sheet; the lifting device 6 and the pulley 68 are arranged below the workpiece table 4, unloading is not needed after machining, the workpiece table 4 is directly lowered, the workpiece table 4 is pulled out, and the operation is convenient.

The supporting assembly 5 comprises a fixed block 51 and a supporting piece 52, the fixed block 51 is arranged on the workpiece table 4, and the supporting piece 52 is arranged on the fixed block 51; because the contour of the workpiece is complex, the supporting component 5 can be freely placed on the workpiece table 4 according to the requirement, the cutting of the supporting material is reduced, and meanwhile, after the inevitable supporting material is cut, only the supporting sheet 52 needs to be replaced, so that the replacement cost of the supporting material can be effectively reduced.

The working process is as follows:

starting the first motor 37 to rotate the first motor 37 in the forward direction; the sheet material fed to the conveying device 2 is manually pushed up to the lead plate 311, after passing through the lead plate 311, the driven wheel 33 compresses the elastic component 36 due to the rotation of the driving wheel 32 and the driven wheel 33, and the sheet material is clamped, as shown in fig. 3; at the moment, the pushing force can be removed, and the plate is fed onto the supporting plate 312 under the clamping driving of the driving wheel 32 and the driven wheel 33; after the plate feeding is finished, the first motor 37 stops working, and the plate feeding is stopped; starting the second motor 67 to drive the lifting device 6 to ascend, and properly adjusting the position of the lifting device 6 in the ascending process of the lifting device 6 so as to ensure the position of the workpiece table 4; when the support assembly 5 is in contact with the plate, the second motor 67 stops working, the lifting device 6 stops lifting, and the plate enters a state to be cut; after the cutting is finished, the second motor 67 is started to drive the lifting device 6 to descend, the workpiece table 4 is pulled out manually, the workpiece is directly taken out, and the workpiece table is pushed back to the position below the workpiece table; if the material needs to be unloaded or the plate needs to be replaced in the production process, the lifting device needs to be lowered by a certain height, and then the first motor 37 is started to rotate reversely, so that the plate is withdrawn.

The conveying device of the utility model adopts the driven conveying roller, reduces the friction force of the sheet material in the feeding process, is convenient for the sheet material feeding mechanism to feed the sheet material, and is beneficial to reducing the load of the motor; the sheet material feeding mechanism provides power through the driving wheel and is assisted by the driven wheel, so that the sheet material is conveniently fed, and the driven wheel can automatically move upwards according to the thickness of the sheet material and is suitable for feeding the sheet materials with various sizes; a lifting device is arranged below the workpiece table, and is properly lowered in the processes of feeding and replacing the sheet material, so that the supporting assembly is prevented from contacting with the lower surface of the sheet material, and the supporting assembly is prevented from scratching the lower surface of the sheet material; a lifting device and a pulley are arranged below the workpiece table, so that the workpiece can be conveniently taken out, unloading is not needed after processing, and the workpiece table is directly lowered and pulled out to take out the workpiece; the supporting assembly comprises a fixed block and a supporting sheet, the line support is replaced by point support, the cutting probability of the supporting material is reduced, the material is saved, meanwhile, after the inevitable supporting material is cut, only the supporting sheet needs to be replaced, the replacement cost of the supporting material is reduced, and the replacement is convenient and rapid; the material of the supporting sheet can be derived from the plate materials which can not be reused, such as plate leftover materials, waste products and the like after being processed by the machine room, so that the resources can be effectively saved, and the cost is reduced.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. A laser cutting machine workstation which characterized in that: the laser cutting machine workbench comprises a bracket (1), a conveying device (2), a sheet material feeding mechanism (3), a workpiece table (4), a supporting assembly (5) and a lifting device (6); the conveying device (2) is fixedly installed on the support (1), the support (1) at the rear end of the conveying device (2) is provided with the sheet material feeding mechanism (3), the lifting device (6) is installed below the sheet material feeding mechanism (3), the top of the lifting device (6) is provided with the workpiece table (4), and the supporting component (5) is arranged on the workpiece table (4).

2. The laser cutter table of claim 1, wherein: the conveying device (2) comprises a cross beam (21) and a conveying roller (22); the two beams (21) are fixedly arranged on the bracket (1) in parallel, and the two beams (21) are respectively and uniformly provided with conveying rollers (22) through bearings.

3. A laser cutter table as defined in claim 1 or 2, wherein: the sheet stock feeding mechanism (3) comprises a fixed frame (31), a driving wheel (32), a driven wheel (33), a driving shaft (34), a pressure lever (35), an elastic component (36) and a first motor (37); the two fixing frames (31) are fixedly arranged at the tops of two sides of the support (1) at the rear end of the conveying device (2), and the fixing frames (31) are provided with plate lead plates (311) and supporting plates (312) with the same height; a first motor (37) is fixedly installed on a support (1), a driving shaft (34) connected with the first motor (37) through a coupler is installed on a fixing frame (31) between a plate material lead plate (311) and a supporting plate (312) through a bearing, a driving wheel (32) is installed on the driving shaft (34), the upper end of a pressure rod (35) is hinged to the fixing frame (31), a driven wheel (33) is installed at the lower end of the pressure rod (35), and two ends of an elastic component (36) in a compression state are hinged to the fixing frame (31) and the pressure rod (35) respectively.

4. A laser cutter table as defined in claim 3, wherein: the elastic component (36) comprises a guide pipe (361), a movable rod (362) and a spring (363); a spring (363) is inserted into the guide tube (361), and a movable rod (362) is inserted into the guide tube (361).

5. The laser cutter table of claim 1, wherein: the lifting device (6) comprises a shear fork (61), a hinge rod (62), a sliding shaft (63), a driving beam (64), a driven beam (65), a screw rod (66), a second motor (67), a pulley (68), an upper sliding rail (69) and a lower sliding rail (7); the middle parts of two groups of shear forks (61) are respectively hinged at two ends of a hinge rod (62), a sliding shaft (63) is arranged at the top of one side of the two groups of shear forks (61), pulleys (68) are arranged at two ends of the sliding shaft (63), the pulleys (68) arranged at two ends of the sliding shaft (63) are arranged in an upper sliding rail (69) at the bottom of a workpiece table (4), the tops of the other sides of the two groups of shear forks (61) are hinged at the bottom of the workpiece table (4), the lower ends of the same side of the two groups of shear forks (61) are respectively hinged on a driving beam (64) and a driven beam (65), the pulleys (68) are respectively arranged at two ends of the driving beam (64) and the driven beam (65), the pulleys (68) at the same side of the driving beam (64) and the driven beam (65) are arranged in corresponding lower sliding rails (7), the two lower sliding rails (7) are parallelly arranged on supporting legs of a bracket (1), and a screw rod (, the screw rod (66) is connected with the threaded hole in the middle of the driving beam (64) in a matching mode, and the second motor (67) is connected with the input end of the screw rod (66) through a coupler.

6. The laser cutter table of claim 1, wherein: the supporting assembly (5) comprises a fixing block (51) and a supporting piece (52), the fixing block (51) is installed on the workpiece table (4), and the supporting piece (52) is installed on the fixing block (51).