CN112828486A

CN112828486A - Laser cutting device

Info

Publication number: CN112828486A
Application number: CN202011635644.XA
Authority: CN
Inventors: 王由发
Original assignee: Jiangsu Minghan Intelligent Technology Co ltd
Current assignee: Jiangsu Minghan Intelligent Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-25

Abstract

The invention relates to a laser cutting device, which comprises a frame, wherein a movable seat with a conical head and a rotary pneumatic chuck are oppositely arranged on the frame, a rotary support frame is arranged on the frame, the rotary support frame is positioned between the movable seat and the rotary pneumatic chuck, the rotating axis of the rotary support frame is parallel to the axis of the rotary pneumatic chuck, three bearing grooves are arranged on the rotary support frame at equal intervals around the axis of the rotary support frame, one bearing groove faces to a processing area formed between the movable seat and the rotary pneumatic chuck all the time, the other bearing groove is respectively a feeding area and a blanking area, a feeding slideway is fixed on the frame of the feeding area and is used for providing tubes into the bearing grooves one by one, a blanking slideway is fixed on the frame of the blanking area and is used for receiving the tubes cut and processed in the bearing grooves and continuously rotates through the rotary support frame, therefore, the purposes of automatic feeding and discharging in the laser cutting process are achieved, and the machining efficiency is improved and guaranteed.

Description

Laser cutting device

Technical Field

The invention relates to the technical field of laser cutting, in particular to a laser cutting device.

Background

Laser cutting, which means that a high-power-density laser beam is utilized to irradiate a material to be cut, so that the material is heated to a vaporization temperature quickly and is evaporated to form a hole, and the hole continuously forms a slit with a narrow width (such as about 0.1 mm) along with the movement of the beam to the material, thereby completing the cutting of the material.

The prior patent with publication number CN202752753U discloses a semi-automatic laser pipe cutting machine, which comprises a frame, an automatic laser cutting device and a pipe fixing device, wherein the pipe fixing device comprises a movable seat and a rotary pneumatic chuck which are oppositely arranged, a conical head is arranged on the movable seat, and the rotary pneumatic chuck comprises a fixed rotary cylinder and a four-jaw pneumatic chuck which is rotatably arranged at the output end of the rotary cylinder;

when processing, the control sliding seat drives the conical head and keeps away from rotatory air chuck, then inserts the one end of tubular product and is fixed in four-jaw air chuck, and the control sliding seat is close to rotatory air chuck again, and the butt supports tubular product in inserting tubular product to the conical head, and at last through rotatory air chuck and conical head control tubular product rotation, laser automatic cutting device carries out laser cutting to tubular product, realizes the purpose of fly-cutting processing.

The above prior art solutions have the following drawbacks:

at present, the feeding needs to be manually matched with the pipe to take and place, so that the processing efficiency is unstable, and the production progress is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, one of the purposes of the invention is to provide a laser cutting device, wherein three bearing grooves are arranged on a rotary support frame and are respectively used for feeding, processing and discharging, thereby realizing uninterrupted production and improving the production efficiency.

The above object of the present invention is achieved by the following technical solutions:

the laser cutting device comprises a frame, a movable seat arranged on the frame, a rotary pneumatic chuck and a conical head arranged on the movable seat, and further comprises

Rotating the support frame: the rotary support frame is rotatably arranged on the rack and positioned between the movable seat and the rotary pneumatic chuck, the rotating axis of the rotary support frame is parallel to the rotating axis of the rotary pneumatic chuck, three bearing grooves for clamping pipes are circumferentially arranged on the rotary support frame at equal intervals, the three bearing grooves of the rotary support frame respectively and correspondingly form a feeding area, a processing area and a discharging area, the processing area is also positioned between the movable seat and the rotary pneumatic chuck, and the feeding area and the discharging area are respectively positioned at two opposite sides of the processing area;

a feeding slide way: the feeding device is arranged on the rack and used for conveying pipes to the rotary supporting frame one by one, the axis of the pipe in the feeding slide way is parallel to the rotating axis of the rotary pneumatic chuck, and the output end of the feeding slide way is positioned in the feeding area and is aligned with one bearing groove;

a blanking slide way: the feeding chute is arranged on the rack and used for receiving the pipes on the rotary supporting frame one by one, and the input end of the feeding chute is positioned in the feeding area and aligned with one bearing groove.

The present invention in a preferred example may be further configured to: the utility model discloses a pneumatic chuck, including rotatory support frame, the axis of pivot is parallel to the rotation axis of rotatory pneumatic chuck, the one end that the pivot was kept away from to the connecting rod is provided with the connecting rod including the fixed plate of a set of symmetry and rotation, the axis of pivot is on a parallel with the rotation axis of rotatory pneumatic chuck, circumference is equidistant in the pivot, the one end that the pivot was kept away from to the connecting rod is provided with the dead lever perpendicularly, the both ends of fixed rod length direction articulate respectively have the swinging arms, form between swinging arms and the dead lever bear the weight of the groove, still be provided with on frame and.

The present invention in a preferred example may be further configured to: the middle of the fixed rod, one side of the fixed rod facing the swinging rod and one end of the swinging rod far away from the connecting rod are both provided with a butt joint wheel, and the butt joint wheel is in rolling butt joint with the pipe.

The present invention in a preferred example may be further configured to: the control unit comprises a pair of sliders which slide oppositely or oppositely and are symmetrically arranged on the fixing rod, tension springs are fixed between the swing rod and the adjacent sliders and between the sliders on the same fixing rod, a first rod is hinged to the sliders and hinged to the first rods on the same fixing rod, the hinge axis of the first rod is perpendicular to the axis of the rotating shaft, a guide seat is fixed on the rack and located in the unloading area, the hinge position between the guide seat and the first connecting rod is in sliding butt joint, and the guide seat orders about the hinge position between the first connecting rods to be close to the connecting rods.

The present invention in a preferred example may be further configured to: the utility model discloses a gear rack, including the frame, the frame is fixed in the frame that extends along its length direction between drive gear and the frame, the frame.

The present invention in a preferred example may be further configured to: the transmission frame is provided with a transmission shaft, the driving bevel gear is coaxially fixed on the transmission shaft, the transmission gear is coaxially sleeved on the transmission shaft in a rotating mode, one side of the transmission gear is coaxially provided with a fixing ring, ratchets are arranged in the fixing ring at intervals in the circumferential direction, and a pawl meshed with the ratchets extends from the transmission shaft.

The present invention in a preferred example may be further configured to: the input of material loading slide is provided with thrust cylinder, thrust cylinder's tip is provided with the push pedal of inlaying in locating the material loading slide.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the rotary support frame is provided with three bearing grooves which are used for loading, processing and unloading respectively, so that uninterrupted production is realized, and the production efficiency is improved;

2. the movement of the movable seat controls the rotation of the rotary support frame, a new power source is not required to be added to provide power for the rotary support frame, and the time sequence of feeding, processing and discharging can be stably controlled;

3. the control unit enables the rotary supporting frame to drive the pipe to enter the processing area from the feeding area, and when the pipe enters the discharging area, the swing rods automatically rotate back to open, so that the purpose of stable discharging is achieved, and the full-automatic purpose is achieved.

Drawings

FIG. 1 is a schematic view of an assembly of a laser cutting apparatus;

FIG. 2 is a schematic view of the assembly of the rotating support frame;

FIG. 3 is a schematic view for embodying a connecting structure of a swing lever and a fixed lever;

FIG. 4 is a schematic diagram showing the structure and location of the guide base;

fig. 5 is a schematic diagram for embodying a structure for driving the rotation of the rotating support frame.

In the figure, 1, a frame; 2. a movable seat; 3. rotating the pneumatic chuck; 4. rotating the support frame; 41. a bearing groove; 5. a fixing plate; 6. a rotating shaft; 7. a connecting rod; 8. fixing the rod; 81. a chute; 82. an avoidance groove; 83. a slider; 84. a tension spring; 85. a first rod; 9. a swing lever; 10. a butting wheel; 11. a guide seat; 111. a bevel; 12. a feeding slideway; 121. a thrust cylinder; 122. pushing the plate; 13. a blanking slideway; 14. a rack; 15. a drive shaft; 151. a pawl; 16. a transmission gear; 161. a fixing ring; 162. a ratchet; 17. a drive bevel gear; 18. a driven bevel gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-5, a laser cutting device comprises a frame 1, an automatic laser cutting device is arranged above the frame 1, and a movable seat 2 with a cone head and a rotary pneumatic chuck 3 are oppositely arranged on the frame 1, wherein the frame 1, the automatic laser cutting device, the movable seat 2 with the cone head and the rotary pneumatic chuck 3 all adopt the prior art structure, so the detailed description is not further provided, a rotary support frame 4 is arranged on the frame 1, the rotary support frame 4 is positioned between the movable seat 2 and the rotary pneumatic chuck 3, the rotation axis of the rotary support frame 4 is parallel to the axis of the rotary pneumatic chuck 3, three bearing grooves 41 are arranged on the rotary support frame 4 at equal intervals around the axis, one bearing groove 41 always faces to a processing area formed between the movable seat 2 and the rotary pneumatic chuck 3, and the areas where the bearing grooves 41 are respectively a feeding area and a blanking area, a feeding slide way 12 is fixed on the rack 1 of the feeding area, the feeding slide way 12 is used for providing pipes one by one in the bearing groove 41, a discharging slide way 13 is fixed on the rack 1 of the discharging area, the discharging slide way 13 is used for receiving the pipes cut and processed in the bearing groove 41, and then the pipes are continuously rotated by the rotating support frame 4, so that the purposes of automatic feeding and discharging in the laser cutting process are achieved, and the processing efficiency is guaranteed.

The rotary support frame 4 comprises a group of parallel fixed plates 5, the fixed plates 5 are arranged in the vertical direction, a rotating shaft 6 is rotatably inserted between the fixed plates 5, the axis of the rotating shaft 6 is parallel to the rotating axis of the rotary pneumatic chuck 3, three connecting rods 7 are circumferentially fixed on the rotating shaft 6 at equal intervals, the connecting rods 7 extend along the radial direction of the rotating shaft 6, a fixed rod 8 is vertically arranged at the end part of each connecting rod 7, two ends of each fixed rod 8 are respectively hinged with a swing rod 9, the hinged axis of each swing rod 9 is parallel to the axis of the rotating shaft 6, and a bearing groove 41 is formed between each fixed rod 8 and each swing rod 9 on the same connecting rod 7;

when a pipe in a feeding slideway 12 in a feeding area is fed into a bearing groove 41, the swinging rod 9 has a relative rotation trend and extrudes the pipe to abut against a fixed rod 8 at the moment, so that the pipe is fixed in the bearing groove 41, then the rotary support frame 4 rotates to enable the bearing groove 41 in the feeding area to enter a processing area, and meanwhile, the movable seat 2 moves to enable the conical head and the rotary pneumatic chuck 3 to be matched with each other to fix the pipe, so that the purpose of automatic feeding is realized; after finishing processing, the rotating support frame 4 rotates once more, and the tubular product in processing district removes to the unloading district, and swinging arms 9 looks back on the back this moment rotates, and during tubular product rolls to unloading slide 13 under the effect of gravity again, realizes the purpose of automatic unloading, so at the continuous pivoted in-process of rotating support frame 4, thereby realize high-efficient material loading and unloading and promote the purpose of machining efficiency.

The end, far away from the fixed rod 8, of the swing rod 9 is rotatably provided with a butting wheel 10, the middle of one side, facing the swing rod 9, of the fixed rod 8 is also provided with the butting wheel 10, the axis of the butting wheel 10 is parallel to the axis of the rotating shaft 6, meanwhile, one side, facing the swing rod 9, of the fixed rod 8 is provided with a sliding groove 81, the sliding groove 81 extends along the length direction of the swing rod 9, a pair of sliding blocks 83 are arranged in the sliding groove 81, a tension spring 84 is connected between the swing rod 9 and the adjacent sliding block 83 and between the sliding blocks 83 on the same fixed rod 8, and the middle of the tension spring 84 between the sliding blocks 83 is fixed in the sliding groove 81;

when the bearing groove 41 is positioned in the feeding area and the processing area, the tension spring 84 tends to move relatively between the trend sliding blocks 83 and tends to rotate the swinging rod 9 towards the fixed rod 8, the input end of the feeding slideway 12 is also fixed with a thrust cylinder 121, the piston end of the thrust cylinder 121 is fixed with a push plate 122, the push plate 122 is embedded in the feeding slideway 12 in a sliding manner, when the piston end of the thrust cylinder 121 is controlled to extend out, the push plate 122 pushes the pipe to enter the bearing groove 41, the pipe is fixedly abutted against the abutting wheel 10, so that the swinging rod 9 is extruded to move back and forth, and after the pipe enters the bearing groove 41, the tension spring 84 enables the swinging rod 9 to rotate relatively again to fix the pipe; when processing, the rotation of support tubular product that three butt wheel 10 can be stable guarantees the stability of processing, and has avoided sliding friction between tubular product and swinging arms 9 and the dead lever 8 to cause wearing and tearing.

An avoiding groove 82 is formed in one side, located in the length direction of the rotating shaft 6, of the fixed rod 8, the avoiding groove 82 extends in the length direction of the fixed rod 8 and is communicated with the sliding groove 81, a first rod 85 is hinged to one side, facing the avoiding groove 82, of the sliding block 83, the first rod 85 penetrates through the avoiding groove 82, the hinge axis of the first rod 85 is perpendicular to the axis of the rotating shaft 6, the first rods 85 on the same fixed rod 8 are hinged and fixed, meanwhile, a guide seat 11 is fixed on the rack 1 and located in the blanking area, the guide seat 11 is of a block structure, an inclined surface 111 is arranged on the guide seat 11, and the inclined surface 111 is gradually close to the fixed rod 8 along the rotating direction of the rotating support frame;

when the bearing groove 41 enters the blanking area, the first rods 85 are hinged to the inclined plane 111 of the guide seat 11 at the moment, the guide seat 11 enables the hinged positions between the first rods 85 to be gradually close to the fixing rod 8, the first rods 85 rotate back to back and support the sliding blocks 83 to move back to back, the swinging rods 9 synchronously rotate back to back, until the bearing groove 41 is aligned with the blanking slideway 13, the distance between the swinging rods 9 is larger than the diameter of the pipe, the pipe is automatically rolled down to the blanking slideway 13 under the action of gravity, and the purpose of automatically stabilizing blanking is achieved.

A power assembly for driving the rotary support frame 4 to rotate is further arranged on the machine frame 1, wherein one end of the rotating shaft 6 penetrates through the fixing plate 5 close to the movable seat 2, the power assembly comprises a driven bevel gear 18 fixed at the end of the rotating shaft 6, a transmission frame is fixed on the machine frame 1 and positioned between the movable seat 2 and the rotary support frame 4, the transmission frame comprises a transmission shaft 15 and a damper, the damper limits the minimum torque required by the rotation of the transmission shaft 15, the axis of the transmission shaft 15 extends along the horizontal direction and is vertical to the rotating shaft 6, a driving bevel gear 17 is coaxially fixed on the transmission shaft 15, the driving bevel gear 17 is meshed with the driven bevel gear 18, a transmission gear 16 is also coaxially and rotatably arranged on the transmission shaft 15, a fixing ring 161 is coaxially fixed on one side of the transmission gear 16, a plurality of ratchets 162 are arranged on the fixing ring 161 in the circumferential direction at intervals, a pawl 151 is extended on the rotating, the pawl 151 is made of elastic metal sheets, the pawl 151 is meshed with the ratchet 162, a rack 14 is fixed on the movable seat 2, the rack 14 extends along the length direction of the movable seat 2, and the rack 14 is meshed with the gear;

when the movable seat 2 moves away from the rotary pneumatic chuck 3, the rack 14 drives the transmission gear 16 to rotate, and the pawl 151 and the ratchet 162 are in a butting state at the time, so that the transmission shaft 15, the driving bevel gear 17, the driven bevel gear 18 and the rotary support frame 4 are synchronously driven, and the purposes of automatic feeding and discharging are achieved; when the movable seat 2 moves towards the direction close to the rotary pneumatic chuck 3, the rack 14 also drives the transmission gear 16 to rotate, and at the moment, under the limitation of the damper and the sliding and abutting fit between the pawl 151 and the ratchet 162, the transmission shaft 15 is kept fixed, namely, the rotary support frame 4 is kept fixed, so that the purpose of fixing the pipe and the pipe between the conical head and the rotary pneumatic chuck 3 are realized.

The implementation principle of the embodiment is as follows:

before processing, the push plate 122 pushes the pipe to enter the bearing groove 41, the pipe is fixedly abutted with the abutting wheel 10, so that the swinging rods 9 are extruded to move back and forth, after the pipe enters the bearing groove 41, the pulling spring 84 enables the swinging rods 9 to rotate relatively again to fix the pipe, then when the movable seat 2 moves towards the direction far away from the rotary pneumatic chuck 3, the rack 14 drives the transmission gear 16 to rotate at the moment, and as the pawl 151 and the ratchet 162 are in an abutting state at the moment, the transmission shaft 15, the driving bevel gear 17, the driven bevel gear 18 and the rotary support frame 4 are synchronously driven, and the purposes of automatic feeding and discharging are achieved; when the movable seat 2 moves towards the direction close to the rotary pneumatic chuck 3, the rack 14 also drives the transmission gear 16 to rotate, and at the moment, under the limitation of the damper and the sliding abutting fit between the pawl 151 and the ratchet 162, the transmission shaft 15 is kept fixed, namely, the rotary support frame 4 is kept fixed, so that the purpose of automatic feeding is realized;

simultaneously when the bearing groove 41 of above-mentioned in-process processing area got into the unloading district, guide holder 11 made the articulated department between the pole 85 be close to dead lever 8 gradually for carrying back to back and moving back to back between the pole 85 and supporting the slider 83, synchronous makes back to back between the swinging arms 9, when bearing groove 41 aligns with unloading slide 13, the distance between the swinging arms 9 was greater than the diameter of tubular product, thereby realize tubular product automatic roll under the effect of gravity and fall to unloading slide 13 in, realize the purpose of automatic stable unloading.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a laser cutting device, includes frame (1), sets up sliding seat (2) and rotatory air chuck (3) on the frame, be provided with cone head, its characterized in that on sliding seat (2): also comprises

Rotating the support frame (4): the rotary support frame (4) is rotatably installed on the rack (1) and located between the movable seat (2) and the rotary pneumatic chuck (3), the rotation axis of the rotary support frame (4) is parallel to the line of the rotary shaft (6) of the rotary pneumatic chuck (3), three bearing grooves (41) for clamping pipes are circumferentially arranged on the rotary support frame (4) at equal intervals, the three bearing grooves (41) of the rotary support frame (4) respectively and correspondingly form a feeding area, a processing area and a discharging area, the processing area is also located between the movable seat (2) and the rotary pneumatic chuck (3), and the feeding area and the discharging area are respectively located on two opposite sides of the processing area;

feeding chute (12): the feeding device is arranged on the rack (1) and used for conveying pipes to the rotary supporting frame (4) one by one, the axis of the pipe in the feeding slide way (12) is parallel to the rotation axis of the rotary pneumatic chuck (3), and the output end of the feeding slide way (12) is positioned in the feeding area and aligned with one bearing groove (41);

blanking slideway (13): the feeding device is arranged on the rack (1) and used for receiving pipes on the rotary supporting frame (4) one by one, and the input end of the feeding slideway (13) is located in a feeding area and aligned with one bearing groove (41).

2. A laser cutting apparatus according to claim 1, wherein: rotatory support frame (4) include fixed plate (5) and the rotation of a set of symmetry install pivot (6) between fixed plate (5), the axis of pivot (6) is on a parallel with the axis of rotation of rotatory air chuck (3), circumference equidistant is provided with connecting rod (7) in pivot (6), the one end that pivot (6) were kept away from in connecting rod (7) is provided with dead lever (8) perpendicularly, dead lever (8) length direction's both ends articulate respectively has swinging arms (9), form between swinging arms (9) and dead lever (8) bearing groove (41), still be provided with on frame (1) and rotatory support frame (4) and be used for controlling swinging arms (9) relative or the pivoted the back of the body mutually control unit.

3. A laser cutting apparatus according to claim 2, wherein: the middle of the fixed rod (8) and one side facing the swing rod (9) and one end, away from the connecting rod (7), of the swing rod (9) are both provided with a butting wheel (10), and the butting wheel (10) is in rolling butt joint with the pipe.

4. A laser cutting apparatus according to claim 2, wherein: the control unit comprises a pair of sliding blocks (83) which slide oppositely or oppositely and are symmetrically arranged on a fixed rod (8), tension springs (84) are fixed between the swinging rod (9) and the adjacent sliding blocks (83) and between the sliding blocks (83) on the same fixed rod (8), a first rod (85) is hinged to the sliding blocks (83), the first rod (85) on the same fixed rod (8) is hinged to the first rod, the hinge axis of the first rod (85) is perpendicular to the axis of the rotating shaft (6), a guide seat (11) is fixed on the rack (1) and located in the discharging area, the hinge between the guide seat (11) and a first connecting rod (7) is in sliding butt joint, and the hinge between the guide seat (11) and the first connecting rod (7) is close to the connecting rod (7).

5. A laser cutting apparatus according to claim 2, wherein: one end of the rotating shaft (6) penetrates through the fixing plate (5) close to one side of the movable seat (2), the end is coaxially fixed with a driven bevel gear (18), a transmission frame is arranged on the rack (1) and located between the rotary supporting frame (4) and the movable seat (2), a driving bevel gear (17) meshed with the driven bevel gear (18) is arranged on the transmission frame, the axis of the driving bevel gear (17) extends in the horizontal direction, a transmission gear (16) coaxial with the driving bevel gear (17) is arranged on the transmission frame, the transmission gear (16) and the driving bevel gear (17) are relatively fixed in the single rotating direction, a rack (14) extending in the length direction of the movable seat (2) is fixed on the movable seat, and the rack (14) is meshed with the transmission gear (16).

6. A laser cutting device according to claim 5, wherein: the transmission frame is provided with a transmission shaft (15), the driving bevel gear (17) is coaxially fixed on the transmission shaft (15), the transmission gear (16) is coaxially sleeved on the transmission shaft (15) in a rotating mode, one side of the transmission gear (16) is coaxially provided with a fixing ring (161), ratchets (162) are arranged in the fixing ring (161) at intervals in the circumferential direction, and pawls (151) meshed with the ratchets (162) extend from the transmission shaft (15).

7. A laser cutting apparatus according to claim 1, wherein: the input end of material loading slide (12) is provided with thrust cylinder (121), the tip of thrust cylinder (121) is provided with push pedal (122) of locating in material loading slide (12).