CN111702328A

CN111702328A - Laser cutting device with workpiece positioning function

Info

Publication number: CN111702328A
Application number: CN202010734121.4A
Authority: CN
Inventors: 肖力; 张嵘新; 何楚亮
Original assignee: Dongguan University of Technology
Current assignee: Dongguan University of Technology
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2020-09-25

Abstract

The invention discloses a laser cutting device with workpiece positioning, which comprises a chassis base, wherein a workbench is arranged at a groove in the middle of the upper part of the chassis base, brackets are symmetrically arranged on the central line of two sides of the workbench on the surface of the upper part of the chassis base, a control motor is arranged on the surface of the left side of a first rack, clamping grooves are arranged on the surface of two sides of a second rack, a stepping motor is arranged on the upper part of the inner part of the left side of the second rack, pulleys are arranged below clamping blocks in the clamping grooves, a signal receiver is connected with the surface of the lower part of the clamping blocks, a hood is arranged above the chassis base, the first rack and the second rack are arranged on the surface of the chassis base, the second rack can be conveniently driven to slide back and forth through the arrangement of the first rack, and the laser cutting machine can be conveniently driven to slide left and right through the arrangement of, thereby preparing the spray head for alignment with the position of the workpiece on the table.

Description

Laser cutting device with workpiece positioning function

Technical Field

The invention relates to the technical field of laser cutting equipment, in particular to a laser cutting device with workpiece positioning function.

Background

The laser is a kind of light, like other natural light, which is generated by atomic (molecular or ion etc.) transition, but it is different from ordinary light in that the laser depends on spontaneous radiation only for the first very short time, and the process thereafter is completely determined by the laser radiation, so the laser has very pure color, almost no divergence directivity, extremely high luminous intensity and high coherence, and the laser and the optical cutting machine is to focus the laser emitted from the laser into laser beam of high power density through the optical path system, the laser beam is irradiated to the surface of the workpiece to make the workpiece reach melting point or boiling point, and simultaneously the high pressure gas coaxial with the beam blows away the melted or gasified metal.

The existing laser welding machine puts a workpiece on a workbench during working, and then a laser cutting machine randomly starts cutting at a certain position of the workpiece, so that other positions of the workpiece cannot be utilized, the workpiece is wasted, and the production cost is increased.

Disclosure of Invention

The invention aims to provide a laser cutting device with workpiece positioning function, which solves the problem that other positions of a workpiece cannot be utilized, so that the workpiece is wasted, and the production cost is reduced and increased.

In order to achieve the purpose, the invention provides the following technical scheme: a laser cutting device with workpiece positioning function comprises a case base, wherein a workbench is installed at a groove in the middle of the upper portion of the case base, a sliding groove is formed in the surface of the upper portion of the workbench, a sliding block is installed inside the sliding groove, a positioner is arranged in the middle of the upper surface of the sliding block, a fixed block is connected to the upper surface of the positioner, brackets are symmetrically arranged on the center lines of the two sides of the workbench on the surface of the upper portion of the case base, bolts are connected to the surfaces of the two sides of the bottom of each bracket, a first frame is installed on the surface of the upper portion of each bracket, a control motor is installed on the surface of the left side of each first frame, a coupler is installed inside the first frame on the right side of the right side output end of the control motor, a thread rolling screw rod horizontally penetrates through the right side of the inside of each coupler, first supporting seats are installed at the, a thread rolling nut is arranged in the middle of the rod body of the thread rolling screw, a connecting block is connected to the upper surface of the thread rolling nut, a second rack is arranged on the upper surface of the connecting block, clamping grooves are formed in the surfaces of the two sides of the second rack, a stepping motor is arranged above the inside of the left side of the second rack, a controller is connected to the surface of the right output end of the stepping motor, a sliding rod is arranged in the middle of the right surface of the controller in a transverse mode, a second supporting seat is arranged at the end of the right side of the sliding rod, a moving block is connected to the rod body of the sliding rod, a locking nut is arranged on the surface of one side of the moving block, a connecting chassis is connected to the upper surface of the moving block, a sensor is arranged on the left side of the upper surface of the connecting chassis, and the right side end surface mounting of connecting rod has the speculum seat, the below surface connection of speculum seat has the inductance cutting head, and the below of inductance cutting head installs the nozzle, the inside of draw-in groove is provided with the fixture block, and the below of the inside fixture block of draw-in groove installs the pulley, the below surface connection of fixture block has signal receiver, the aircraft bonnet is installed to chassis base's top.

Preferably, the upper surface of the chassis base is fixedly connected with the workbench in a welding manner, the workbench and the chute are of an integrated structure, and the fixed block forms a slidable structure through the sliding block and the chute.

Preferably, the surface of the workbench and the surface of the chassis base are of a horizontal structure, and the support is fixedly connected with the chassis base through bolts.

Preferably, the right side surface of the control motor is fixedly connected with the left side surface of the first frame through a bolt, and the thread rolling screw rod forms a rotatable structure with the control motor through a coupler.

Preferably, be welded fastening between the inside of first supporting seat and first frame and be welded fastening between the outer lane surface of bearing and the inside of first supporting seat and be welded fastening and be connected, and the thread rolling nut passes through and constitutes movable structure between first supporting seat and the control motor and the thread rolling screw rod.

Preferably, the second rack and the clamping grooves on the surfaces of the two sides are of an integrated structure, and the second rack is fixedly connected with the thread rolling nut through a connecting block in a welding mode.

Preferably, the lower surface of the second supporting seat is fixedly connected with the inner surface of the right side of the second rack in a welding mode, the moving block is movably connected with the lock nut, and the connecting base plate forms a slidable structure with the sliding rod through the moving block and the lock nut.

Preferably, the sensor is fixedly connected with the bottom surface of the emission seat and the connection chassis through bolts, and the reflector seat forms a light refraction structure with the sensor through the connecting rod.

Preferably, the lower surface of the reflector base is fixedly connected with the inductance cutting head, and the nozzle is in a laser cutting structure through the process between the reflector base and the inductance cutting head.

Preferably, the pulley is movably connected with the clamping block, the lower surface of the clamping block is fixedly connected with the upper surface of the signal receiver through a bolt, and the signal receiver forms a movable structure through the clamping block, the pulley and the clamping groove.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the method, the signal receiver and the positioner are respectively arranged on the surface below the clamping block and the surface above the sliding block, and the positioner is arranged, so that the signal receiver can conveniently receive information, and an accurate positioning effect is achieved on a workpiece.

2. According to the invention, the first rack and the second rack are arranged on the surface of the chassis base, the second rack is conveniently driven to slide back and forth through the arrangement of the first rack, and the laser cutting machine is conveniently driven to slide left and right through the arrangement of the second rack, so that the spray head can be aligned to the position of a workpiece on the workbench.

3. According to the invention, the coupler is arranged inside the left side of the first rack, the motor is conveniently connected with the thread rolling screw rod through the arrangement of the coupler, and meanwhile, the first support column and the bearing are conveniently fixed with the thread rolling screw rod and prevent the thread rolling screw rod from rotating, and the thread rolling screw rod can stably and uniformly move on the thread rolling screw rod through the thread rolling nut from the second rack.

4. According to the invention, the positioner is arranged on the surface of the sliding block, the sliding block is arranged, so that the positioner can be conveniently driven to displace, and meanwhile, the sliding block is arranged in the sliding groove, so that the positioner is prevented from being damaged during the operation of equipment, and the protective effect is achieved.

5. According to the invention, the clamping groove is formed in the outer part of the second rack, the signal receiver can conveniently slide between the clamping block and the pulley and the clamping groove through the arrangement of the clamping groove, and meanwhile, the stepping motor and the controller which are arranged in the second rack can conveniently drive the connecting chassis to move on the sliding rod, so that the sprayer can be conveniently moved to a set position according to the signal receiver.

Drawings

FIG. 1 is a schematic structural diagram of a front side of a laser cutting apparatus with workpiece positioning according to the present invention;

FIG. 2 is a schematic view of a surface structure of a worktable of a laser cutting apparatus with workpiece positioning according to the present invention;

FIG. 3 is a schematic view of the internal structure of a first frame of a laser cutting apparatus with workpiece positioning according to the present invention;

FIG. 4 is a schematic diagram of the internal structure of a second frame of a laser cutting apparatus with workpiece positioning according to the present invention;

fig. 5 is a schematic structural diagram of a clamping groove and a clamping block of a laser cutting device with workpiece positioning according to the present invention.

In the figure: 1. a chassis base; 2. a work table; 3. a chute; 4. a slider; 5. a positioner; 6. a fixed block; 7. a support; 8. a bolt; 9. a first frame; 10. controlling the motor; 11. a coupling; 12. a thread rolling screw; 13. a first support base; 14. a bearing; 15. a thread rolling nut; 16. connecting blocks; 17. a second frame; 18. a card slot; 19. a stepping motor; 20. a controller; 21. a slide bar; 22. a second support seat; 23. a moving block; 24. locking the nut; 25. connecting a chassis; 26. a sensor; 27. a launch pad; 28. a connecting rod; 29. a reflector base; 30. an inductance cutting head; 31. a nozzle; 32. a clamping block; 33. a pulley; 34. a signal receiver; 35. a hood.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a laser cutting device with work piece location, including chassis base 1, chassis base 1's top middle part groove department installs workstation 2, and the top surface of workstation 2 is provided with spout 3, the internally mounted of spout 3 has slider 4, and the top surface middle part of slider 4 is provided with locator 5, the top surface connection of locator 5 has fixed block 6, be welded fastening between chassis base 1's top surface and the workstation 2 and be connected, and be the integral structure between workstation 2 and the spout 3, fixed block 6 passes through and constitutes slidable structure between slider 4 and the spout 3, the effect that sets up like this drives the position of locator 5 on workstation 2 through slider 4, simultaneously through the setting of fixed block 6, be convenient for the upper left corner of fixed work piece, the nozzle 31 of being convenient for cuts the work piece.

And the both sides central line symmetry of the top surface workstation 2 of chassis base 1 is provided with support 7, the bottom both sides surface connection of support 7 has bolt 8, the surface of workstation 2 and chassis base 1's surface are horizontal structure, and support 7 is fixed connection through between bolt 8 and the chassis base 1, the effect that sets up like this is through setting up workstation 2 and chassis base 1 horizontally, has whole pleasing to the eye effect, fix through bolt 8 simultaneously between support 7 and the chassis base 1 and prevent that the displacement condition from producing.

And the surface mounting has first frame 9 above support 7, the left side surface mounting of first frame 9 has control motor 10, and the left side internally mounted of the first frame 9 of right side output of control motor 10 has shaft coupling 11, the inside right side level of shaft coupling 11 is crossed and is provided with thread rolling screw 12, be bolt fixed connection between the right side surface of control motor 10 and the left side surface of first frame 9, and thread rolling screw 12 passes through and constitutes rotatable structure between shaft coupling 11 and the control motor 10, the effect of setting up like this is through installing shaft coupling 11 inside the left side of first frame 9 and be convenient for play a fixed effect, through the setting of shaft coupling 11, play a connected effect with control motor 10 and thread rolling screw 12 simultaneously, thereby be favorable to control motor 10 to drive thread rolling screw 12 and begin to rotate.

And first supporting seats 13 are installed at two ends of the thread rolling screw 12, a bearing 14 is connected to the outside of the thread rolling screw 12 inside the first supporting seats 13, a thread rolling nut 15 is installed in the middle of the rod body of the thread rolling screw 12, the first supporting seats 13 are fixedly connected with the inside of the first machine frame 9 in a welding mode, the outer ring surface of the bearing 14 is fixedly connected with the inside of the first supporting seats 13 in a welding mode, the thread rolling nut 15 forms a movable structure through the first supporting seats 13 and the control motor 10 and the thread rolling screw 12, the effect of setting is achieved through the first supporting seats 13, the two ends of the thread rolling screw 12 can be conveniently fixed, and meanwhile, through the thread rolling nut 15, the second machine 17 can be conveniently driven to move.

The top surface of thread rolling nut 15 is connected with connecting block 16, and the last surface mounting of connecting block 16 has second frame 17, the both sides surface of second frame 17 is provided with draw-in groove 18, structure as an organic whole between second frame 17 and the draw-in groove 18 of both sides surface, and second frame 17 passes through connecting block 16 and is connected for welded fastening between the thread rolling nut 15, the effect that sets up like this is through with welded fastening between second frame 17 and the thread rolling nut 15, the second frame of being convenient for when the motion, guarantee the stability of operation.

A stepping motor 19 is arranged above the left inner part of the second frame 17, a controller 20 is connected on the surface of the right output end of the stepping motor 19, a slide rod 21 is transversely arranged in the middle of the right surface of the controller 20, a second support seat 22 is arranged at the right end of the slide rod 21, a moving block 23 is connected on the rod body of the slide rod 21, a lock nut 24 is arranged on one side surface of the moving block 23, a connecting base plate 25 is connected on the upper surface of the moving block 23, the lower surface of the second support seat 22 is fixedly connected with the right inner surface of the second frame 17 in a welding manner, the moving block 23 is movably connected with the lock nut 24, the connecting base plate 25 forms a slidable structure with the slide rod 21 through the moving block 23 and the lock nut 24, and the second support seat 22 is arranged to support the right end of the slide rod 21, meanwhile, the arrangement of the stepping motor 19 and the controller 20 is convenient for driving the moving block 23 to slide on the sliding rod 21.

Connect the upper surface left side of chassis 25 and install sensor 26, and the top surface mounting who connects chassis 25 on the right side of sensor 26 has transmission seat 27, the right side surface middle part of transmission seat 27 is provided with connecting rod 28, and the right side tip surface mounting of connecting rod 28 has speculum seat 29, be bolt fixed connection between the bottom surface of sensor 26 and transmission seat 27 and the connection chassis 25, and speculum seat 29 passes through connecting rod 28 and constitutes but light refraction structure between transmission seat 27 and the sensor 26, the effect that sets up like this is the setting through speculum seat 29, be convenient for carry out the effect of reflection to the light beam of transmission seat 27 transmission.

The lower surface of the reflector base 29 is connected with an inductance cutting head 30, a nozzle 31 is installed below the inductance cutting head 30, the lower surface of the reflector base 29 is fixedly connected with the inductance cutting head 30, the nozzle 31 can cut a structure through laser in the process between the reflector base 29 and the inductance cutting head 30, and the arrangement is that the inductance cutting head 30 is arranged, so that light rays reflected by the reflector base 29 can be conveniently emitted out from the nozzle 31 through laser, and a workpiece is cut.

The inside of draw-in groove 18 is provided with fixture block 32, and pulley 33 is installed to the below of the inside fixture block 32 of draw-in groove 18, the below surface of fixture block 32 is connected with signal receiver 34, be swing joint between pulley 33 and the fixture block 32, and be bolt fixed connection between the below surface of fixture block 32 and the top surface of signal receiver 34, and signal receiver 34 passes through and constitutes movable structure between fixture block 32 and pulley 33 and the draw-in groove 18, the effect that sets up like this is the setting through draw-in groove 18, be convenient for play the effect of a direction to fixture block 32, simultaneously through the setting of pulley 33, be convenient for reduce the frictional force between draw-in groove 18 and the fixture block 32, from being convenient for fixture block 32 removes, aircraft bonnet 35 is installed to the top of machine case base 1.

The working principle is as follows: for the laser cutting device with workpiece positioning, firstly, the workpiece is placed on the workbench 2, at this time, the fixed block 6 can be moved to be clamped with the upper left corner of the workpiece through the arrangement of the slide block 4 and the chute 3, at this time, a person can leave the workbench 2 to start the device, along with the start of the device, the signal receiver 34 starts to capture the positioner 5 arranged below the fixed block 6, when the signal receiver 34 captures the signal sent by the positioner 5, the displacement is completed through the first frame 9 and the second frame 17, when the person needs to advance, the person finishes the operation through the first frame 9 arranged above the chassis base 1, in order to prevent the first frame 9 from shaking during the operation, the person fixes the first frame with the surface of the chassis base 1 through the bolt 8 and the bracket 7, and the operation of the first frame 9 provides an electric power output through the control motor 10 arranged on the left side surface of the chassis, meanwhile, the power is transmitted to the thread rolling screw 12 through the coupling 11 arranged inside the left side of the first frame 9, and due to the length and weight of the thread rolling screw 12, the first supporting seats 13 are arranged at both ends of the thread rolling screw 12, and through the arrangement of the bearing 14 inside the first supporting seats 13, the skill gives a support to the thread rolling screw 12 without hindering the rotation of the thread rolling screw 12, when the thread rolling screw 12 starts to rotate, the thread rolling nut 15 arranged on the thread rolling screw 12 advances and retreats along with the rotation direction of the thread rolling screw 12, and the signal receiver 34 completes the front and back movement through the second frame 17 by welding and fixing the connecting block 16 and the thread rolling nut 15, when the signal receiver 34 moves to the horizontal line of the positioner 5, the left and right displacement needs to be completed through the second frame 17, and the inside left side of the second frame 17 is provided with the stepping motor 19, the stepping motor 19 transmits power to the controller 20, then the controller 20 controls the moving block 23 to move left and right on the rod body of the sliding rod 21, and the connecting base plate 25 is fixedly connected with the moving block 23, so as to drive the sensor 26 and the launching base 27 which are arranged above the connecting base plate 25, the connecting rod 28 which is connected with the right side surface of the launching base 27 drives the reflector base 29 which is arranged on the right side surface of the connecting rod 28, the inductance cutting head 30 which is connected with the lower surface of the reflector base 29 moves together with the nozzle 31, the left side of the inductance cutting head 30 is connected with the fixture block 32, so as to drive the signal receiver 34 which is arranged on the lower surface of the fixture block 32, in order to reduce the weight born by the inductance cutting head 30, the pulley 33 is arranged between the fixture block 32 and the fixture groove 18, so as to reduce the friction force generated by the movement between the fixture groove 18 and the fixture block 32, and after the, the nozzle 31 sprays laser to the workpiece through the change of the connecting rod 28, the reflector seat 29 and the inductance cutting head 30 by the light beam emitted by the emitting seat 27, in order to prevent the laser cutting from being accidentally generated, a hood 35 is arranged above the chassis base 1, the equipment is closed after the workpiece is processed, the equipment is automatically reset, then the hood 35 is opened to take out the workpiece on the workbench 2, and thus the whole using process of the laser cutting device with the workpiece positioning is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A laser cutting device with workpiece positioning, comprising a chassis base (1), characterized in that: the machine box comprises a machine box base (1), a workbench (2) is installed at a groove in the middle of the upper portion of the machine box base (1), a sliding groove (3) is formed in the upper surface of the workbench (2), a sliding block (4) is installed inside the sliding groove (3), a positioner (5) is arranged in the middle of the upper surface of the sliding block (4), a fixed block (6) is connected to the upper surface of the positioner (5), brackets (7) are symmetrically arranged on the center lines of two sides of the upper surface of the workbench (2) of the machine box base (1), bolts (8) are connected to the surfaces of two sides of the bottom of each bracket (7), a first rack (9) is installed on the upper surface of each bracket (7), a control motor (10) is installed on the surface of the left side of the first rack (9) of the right side output end of the control motor (10), a coupler (11) is installed inside the left side of the first rack (9), and the two ends of the thread rolling screw (12) are provided with first supporting seats (13), the outside of the thread rolling screw (12) in the first supporting seats (13) is connected with a bearing (14), the middle of the rod body of the thread rolling screw (12) is provided with a thread rolling nut (15), the upper surface of the thread rolling nut (15) is connected with a connecting block (16), the upper surface of the connecting block (16) is provided with a second rack (17), the surfaces of the two sides of the second rack (17) are provided with clamping grooves (18), a stepping motor (19) is arranged above the inside of the left side of the second rack (17), the surface of the right output end of the stepping motor (19) is connected with a controller (20), the middle of the surface of the right side of the controller (20) is transversely provided with a sliding rod (21), the end part of the right side of the sliding rod (21) is provided with a second supporting seat (22), and the rod body of the sliding rod, a locking nut (24) is arranged on the surface of one side of the moving block (23), a connecting base plate (25) is connected to the surface of the upper portion of the moving block (23), a sensor (26) is installed on the left side of the upper surface of the connecting base plate (25), a transmitting seat (27) is installed on the surface of the right side of the sensor (26) and connected to the upper portion of the base plate (25), a connecting rod (28) is arranged in the middle of the surface of the right side of the transmitting seat (27), a reflector seat (29) is installed on the surface of the end portion of the right side of the connecting rod (28), an inductance cutting head (30) is connected to the surface of the lower portion of the reflector seat (29), a nozzle (31) is installed below the inductance cutting head (30), a clamping block (32) is arranged inside the clamping groove (18), a pulley (33) is installed below the clamping block (32) inside the clamping groove (18), and a hood (35) is arranged above the chassis base (1).

2. A laser cutting apparatus with workpiece positioning as defined in claim 1, wherein: the machine case is characterized in that the upper surface of the machine case base (1) is fixedly connected with the workbench (2) in a welding mode, the workbench (2) and the sliding groove (3) are of an integrated structure, and the fixed block (6) forms a slidable structure through the sliding block (4) and the sliding groove (3).

3. A laser cutting apparatus with workpiece positioning as defined in claim 1, wherein: the surface of the workbench (2) and the surface of the case base (1) are of a horizontal structure, and the support (7) is fixedly connected with the case base (1) through a bolt (8).

4. A laser cutting apparatus with workpiece positioning as defined in claim 1, wherein: the right side surface of the control motor (10) is fixedly connected with the left side surface of the first frame (9) through a bolt, and the thread rolling screw (12) forms a rotatable structure with the control motor (10) through a coupler (11).

5. A laser cutting apparatus with workpiece positioning as defined in claim 1, wherein: the first support seat (13) is fixedly connected with the inside of the first frame (9) in a welding mode, the outer ring surface of the bearing (14) is fixedly connected with the inside of the first support seat (13) in a welding mode, and the thread rolling nut (15) forms a movable structure through the first support seat (13), the control motor (10) and the thread rolling screw (12).

6. A laser cutting apparatus with workpiece positioning as defined in claim 1, wherein: the second rack (17) and the clamping grooves (18) on the surfaces of the two sides are of an integrated structure, and the second rack (17) is fixedly connected with the thread rolling nut (15) through a connecting block (16) in a welding mode.

7. A laser cutting apparatus with workpiece positioning as defined in claim 1, wherein: the lower surface of the second supporting seat (22) is fixedly connected with the inner surface of the right side of the second rack (17) in a welding mode, the moving block (23) is movably connected with the locking nut (24), and the connecting base plate (25) forms a slidable structure with the sliding rod (21) through the moving block (23) and the locking nut (24).

8. A laser cutting apparatus with workpiece positioning as defined in claim 1, wherein: the sensor (26) is fixedly connected with the bottom surface of the emission base (27) and the connecting chassis (25) through bolts, and the reflector base (29) forms a light refraction structure with the emission base (27) and the sensor (26) through the connecting rod (28).

9. A laser cutting apparatus with workpiece positioning as defined in claim 1, wherein: the lower surface of the reflector base (29) is fixedly connected with the inductance cutting head (30), and the nozzle (31) can be used for laser cutting through the process between the reflector base (29) and the inductance cutting head (30).

10. A laser cutting apparatus with workpiece positioning as defined in claim 1, wherein: the pulley (33) is movably connected with the clamping block (32), the lower surface of the clamping block (32) is fixedly connected with the upper surface of the signal receiver (34) through a bolt, and the signal receiver (34) forms a movable structure with the pulley (33) and the clamping groove (18) through the clamping block (32).