CN112222650A

CN112222650A - Laser-beam welding machine with purify smoke and dust function

Info

Publication number: CN112222650A
Application number: CN202011026779.6A
Authority: CN
Inventors: 杨振威
Original assignee: Chuangxuan Nanjing Laser Intelligent Technology Co ltd
Current assignee: Chuangxuan Nanjing Laser Intelligent Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-01-15

Abstract

The invention discloses a laser welding machine with a smoke dust purification function, which comprises a welding frame, a workbench, a support frame, a first slide rail, a welding assembly, a limiting assembly and an upper fixing assembly, wherein the workbench is arranged below the welding frame, the support frame is arranged below the workbench, the upper fixing assembly is arranged below the top end in the welding frame, the upper fixing assembly can fix a workpiece which is welded in the vertical direction so as not to generate position change in the welding process, the first slide rail is arranged on two sides of the inner wall of the welding frame, the welding assembly can slide up and down along the first slide rail, the welding assembly is arranged on the first slide rail, the limiting assembly is arranged on the upper surface of the workbench, and the limiting assembly can limit the placement position of the workpiece so that the workpiece cannot move in the welding process. The invention can absorb and purify the smoke generated after welding, and ensures that people near the welding machine can not cause body harm due to long-term smoke suction.

Description

Laser-beam welding machine with purify smoke and dust function

Technical Field

The invention relates to the technical field of laser welding, in particular to a laser welding machine with a smoke dust purification function.

Background

In laser welding, high-energy laser pulses are used for locally heating materials in micro-areas, energy radiated by laser is diffused into the materials through heat conduction, and the materials are melted to form a specific molten pool. The novel welding mode is mainly used for welding thin-wall materials and precise parts, spot welding, butt welding, stitch welding, seal welding and the like can be realized, the depth-width ratio is high, the width of a welding seam is small, a heat affected zone is small, deformation is small, the welding speed is high, the welding seam is flat and attractive, treatment is not needed or only simple treatment is needed after welding, the welding seam is high in quality, free of air holes, capable of being accurately controlled, small in focusing light spot, high in positioning accuracy and easy to realize automation.

However, the existing laser welding machine is very easy to generate smoke during welding, and the smoke generated during welding is easily harmful to human bodies after being inhaled into the human bodies.

Most laser welding machines on the market outside this time can only place the work piece and weld on table surface, can't adapt to and vertically place and carry out the work piece that welds.

In summary, there is a need for a laser welding machine with a smoke purification function that can solve the above problems.

Disclosure of Invention

The invention aims to provide a laser welding machine with a smoke dust purification function, and aims to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a laser-beam welding machine with purify smoke and dust function, including the welding frame, a workbench, a support frame, first slide rail, the welding subassembly, spacing subassembly and last fixed subassembly, the workstation is installed to the below of welding frame, the support frame is installed to the below of workstation, fixed subassembly is installed to the below on the inside top of welding frame, it can fix the change that the work piece that carries out the welding on the vertical direction makes it can not take place the position in welding process to go up fixed subassembly, first slide rail is installed to welding frame inner wall both sides, the welding subassembly can slide from top to bottom along first slide rail, be equipped with the welding subassembly on the first slide rail, the last surface mounting of workstation has spacing subassembly, the position of placing that spacing subassembly can inject the work piece makes the work piece can not shift position in welding process.

Further, the welding subassembly includes first slider, the connecting rod, the slurcam, first reset spring, first gasbag, universal connector and soldered connection, first slider is fixed in one side of first slide rail, the inside of first slider is equipped with the slurcam, the slurcam can move and drive the soldered connection and move together, be equipped with first gasbag between slurcam and the first slider, first gasbag can determine the slurcam by the inflation degree of self after being injected with gas and is passed the distance, first reset spring is installed to the both sides of first gasbag, first reset spring can utilize the elasticity of self to pull back original position by the slurcam after first gasbag promotes, the connecting rod is installed to the opposite side of slurcam, the connecting rod passes through universal connector and connects the soldered connection, universal connector can help the soldered connection to carry out the welding of different angles.

Further, go up fixed subassembly and include third guide rail, second slider, fixed block and fourth guide rail, the second slider is installed to the below of third guide rail, and the below of second slider is equipped with the fourth guide rail, and the second slider passes through the fourth guide rail and connects the fixed block, can adapt to not unidimensional work piece through sliding on the fourth guide rail between the fixed block, according to the distance between the work piece size adjustment fixed block of difference.

Furthermore, the fixed block is the L type, and the fixed block of L type can be with the corner card of work piece in the both sides fixed block, and the below of fixed block is equipped with a plurality of suction nozzles, and the suction nozzle can be discharged after the smoke and dust suction that produces among the welding process purifies again.

Furthermore, a plurality of suckers are arranged on the inner side of the fixing block, the suckers adsorb the surface of the workpiece to help to fix the workpiece during welding, and the suckers and the suction nozzles adopt the same pneumatic system.

Further, the inside buffer spring that is equipped with in upper end of fixed block, buffer spring can be with the power that produces when the extrusion board is extrudeed, and the extrusion board is installed in buffer spring's one side, and one side of extrusion board is equipped with the second magnetic sheet, and the second magnetic sheet on the different fixed blocks can adsorb each other and guarantee when weld the fixed block can not part when carrying out welded fastening to the work piece.

Further, the limiting assembly comprises a first moving block, a second moving block, a telescopic outer pipe, a telescopic inner pipe, a second reset spring and a second guide rail, the upper surface of the workbench is provided with the second guide rail, the second guide rail is provided with the first moving block and the second moving block, the first moving block and the second moving block slide on the second guide rail and can be adjusted and fixed according to the size of a welding workpiece, one side of the first moving block is provided with the telescopic inner pipe, one side of the second moving block is provided with the telescopic outer pipe, one end of the telescopic inner pipe is sleeved inside one end of the telescopic outer pipe, the first moving block is connected with the telescopic outer pipe through the second reset spring, and the second reset spring can fix the distance between the first moving block and the second moving block by utilizing the elasticity of the second reset spring after the workpiece is clamped between the first moving block and the second.

Furthermore, the inner side of the second guide rail is provided with a first magnetic plate, the lower parts of the first moving block and the second moving block are provided with magnetic repulsion metal plates, and the magnetic repulsion metal plates and the first magnetic plates enable the first moving block and the second moving block to move due to the reason that the magnetic repulsion exists when the first moving block and the second moving block move, so that the first moving block and the second moving block cannot be too fast to enable the first moving block and the second moving block to collide with the two ends of the second guide rail when the first moving block and the second moving block move.

Further, the inside of workstation is equipped with a plurality of smoke and dust and purifies the box, and smoke and dust purifies the box both sides and is equipped with the motor box, and the motor has been placed to motor box inside, and the blade is installed to the one end of motor, and the active carbon has been placed to the below that the smoke and dust purified the box, and the baffle is installed to the upper end that the smoke and dust purified the box.

Furthermore, the area of the upper end of the baffle plate is larger than the area of the lower part of the baffle plate, and the baffle plate is of a chamfered frustum shape, so that gas driven by the rotation of the blades can move downwards. And in the downward movement process again, the gas pressure at the lower end of the baffle plate is reduced along with the downward movement of the gas, so that the gas at the upper end of the baffle plate can move downwards, the smoke generated in the welding process can be carried with the gas to move downwards, and the smoke is filtered by the activated carbon and then discharged.

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

1. the existing laser cutting machine inevitably generates smoke during the cutting process, the smoke is harmful to human bodies generally, but most of the cutting machines do not have a device for purifying and filtering the smoke, and the smoke purifying box can absorb and purify the smoke generated after welding and discharge the purified air out of the smoke purifying box, so that people near the welding machine are ensured not to cause harm to the human bodies due to long-term smoke suction.

2. The upper fixing piece can adsorb and fix workpieces of different sizes to be welded by adjusting the distance of the fixing block, so that the workpieces cannot generate position change in the welding process, and welding flaws are generated on the surfaces of the workpieces due to position change in the welding process.

3. The limiting assembly can enable the first moving block and the second moving block to be tightly attached to two sides of a workpiece through the elastic pulling of the second reset spring, so that the workpiece is kept fixed, and meanwhile, due to the fact that the first moving block and the second moving block are repelled by magnetism when moving, the first moving block and the second moving block cannot be too fast to enable the first moving block and the second moving block to collide with two ends of the second guide rail when moving, so that the first moving block and the second moving block cannot frequently bear collision, the service lives of the first moving block and the second moving block are guaranteed, frequent replacement is not needed, and the cost of part replacement is saved for enterprises.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a front view of the upper mounting assembly of the present invention;

FIG. 3 is a schematic cross-sectional view of the upper fixing assembly of the present invention;

FIG. 4 is a cross-sectional view of a welded assembly of the present invention;

FIG. 5 is a schematic view of the spacing assembly of the present invention;

FIG. 6 is a schematic top view of the table of the present invention;

FIG. 7 is a side sectional view of the workbench of the present invention.

In the figure: 1. welding a frame; 2. a work table; 3. a support frame; 4. a first slide rail; 5. welding the assembly; 501. a first slider; 502. a connecting rod; 503. a push plate; 504. a first return spring; 505. a first air bag; 506. a universal connector; 507. welding a head; 6. a limiting component; 601. a first moving block; 602. a second moving block; 603. a telescopic outer tube; 604. an inner telescopic pipe; 605. a second return spring; 606. a second guide rail; 607. a first magnetic plate; 608. a magnetically repellent metal plate; 7. an upper fixing assembly; 701. a second slider; 702. a fixed block; 703. a suction cup; 704. a fourth guide rail; 705. a suction nozzle; 706. a second magnetic plate; 707. buffering the extrusion plate; 708. a buffer spring; 8. a third guide rail; 9. a smoke purifying box; 901. activated carbon; 902. a motor; 903. a blade; 904. and a baffle plate.

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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions:

the first embodiment is as follows:

the utility model provides a laser-beam welding machine with purify smoke and dust function, including welding frame 1, workstation 2, support frame 3, first slide rail 4, welding assembly 5, spacing subassembly 6 and last fixed subassembly 7, workstation 2 is installed to the below of welding frame 1, support frame 3 is installed to the below of workstation 2, fixed subassembly 7 is installed to the below on 1 inside top of welding frame, it can fix the change that carries out the welded work piece and make it can not take place the position in welding process to go up fixed subassembly 7, first slide rail 4 is installed to 1 inner wall both sides of welding frame, welding assembly 5 can slide from top to bottom along first slide rail 4, be equipped with welding assembly 5 on first slide rail 4, the last surface mounting of workstation 2 has spacing subassembly 6, the position of placing that spacing subassembly 6 can inject the work piece makes the work piece can not the shift position in welding process.

The welding assembly 5 comprises a first sliding block 501, a connecting rod 502, a pushing plate 503, a first return spring 504, a first air bag 505, a universal connector 506 and a welding head 507, the first sliding block 501 is fixed on one side of the first sliding rail 4, a pushing plate 503 is arranged inside the first sliding block 501, the pushing plate 503 can move to drive the welding head 507 to move together, a first air bag 505 is arranged between the pushing plate 503 and the first sliding block 501, the first air bag 505 can determine the distance after the pushing plate 503 is pushed by the expansion degree of the first air bag 505 after being injected with gas, first return springs 504 are installed on two sides of the first air bag 505, the pushing plate 503 after being pushed by the first air bag 505 can be pulled back to the original position by the elasticity of the first air bag 504, a connecting rod 502 is installed on the other side of the pushing plate 503, the connecting rod 502 is connected with the welding head 507 through a universal connecting head 506, and the universal connecting head 506 can help the welding head 506 to weld at different angles.

When a fixed workpiece is welded, the height of a welding position is determined by moving the first sliding block 501 up and down, then the first air bag 505 is expanded by injecting air into the first air bag 505, the pushing plate 503 is pushed outwards and drives the connecting rod 502 to move outwards, the connecting rod 502 drives the welding head 507 to move outwards while moving outwards, and the welding distance between the connecting rod 502 and the workpiece is adjusted.

The upper fixing assembly 7 comprises a third guide rail 8, a second sliding block 701, a fixing block 702 and a fourth guide rail 704, the second sliding block 701 is installed below the third guide rail 8, the fourth guide rail 704 is arranged below the second sliding block 701, the second sliding block 701 is connected with the fixing block 702 through the fourth guide rail 704, workpieces with different sizes can be adapted to the fixing blocks 702 through sliding on the fourth guide rail 704, and the distance between the fixing blocks 702 is adjusted according to different workpiece sizes.

The workpiece which is vertically placed is welded, the workpiece needs to be placed between the two fixing blocks 702 firstly, when the size of the workpiece is larger than the size of the corner of the two fixing blocks 702, the pneumatic system is started, the workpiece is adsorbed and fixed through the suction disc 703, the fixing blocks 702 are tightly attached to two sides of the workpiece, the suction nozzle 705 can suck air under the control of the pneumatic system during welding, and smoke generated during laser welding is absorbed, purified and then discharged.

The fixing block 702 is L-shaped, the corners of a workpiece can be clamped into the fixing block 702 by the L-shaped fixing block 702, the plurality of suction nozzles 705 are arranged below the fixing block 702, and the suction nozzles 705 can suck and purify smoke generated in the welding process and then discharge the smoke.

The inner side of the fixed block 702 is provided with a plurality of suckers 703, the suckers 703 adsorb the surface of the workpiece to help fix the workpiece during welding, and the suckers 703 and the suction nozzles 705 adopt the same pneumatic system.

Inside buffer spring 708 that is equipped with in the upper end of fixed block 702, buffer spring 708 can be with the power that produces when buffer extrusion board 707 is extruded, buffer extrusion board 707 is installed to one side of buffer spring 708, and one side of buffer extrusion board 707 is equipped with second magnetic sheet 706, and second magnetic sheet 706 on the different fixed blocks 702 can adsorb each other and guarantee when weld-fixing the work piece, and fixed block 702 can not part.

The limiting assembly comprises a first moving block 601, a second moving block 602, a telescopic outer tube 603, a telescopic inner tube 604, a second return spring 605 and a second guide rail 606, the upper surface of the workbench 2 is provided with the second guide rail 606, the second guide rail 606 is provided with a first moving block 601 and a second moving block 602, the first moving block 601 and the second moving block 602 slide on the second guide rail 606, the adjusting and fixing device can be adjusted and fixed according to the size of a welding workpiece, a telescopic inner tube 604 is arranged on one side of a first moving block 601, a telescopic outer tube 603 is arranged on one side of a second moving block 602, one end of the telescopic inner tube 604 is sleeved inside one end of the telescopic outer tube 603, the first moving block 601 is connected with the telescopic outer tube 603 through a second return spring 605, and the second return spring 605 can fix the distance between the first moving block 601 and the second moving block 602 by using the elasticity of the second return spring 605 after the workpiece is clamped between the first moving block 601 and the second moving block 602.

When a workpiece needs to be placed on the workbench 2 for welding, the distance between the first moving block 601 and the second moving block 602 is pulled, then the workpiece is placed between the first moving block 601 and the second moving block 602, then the second return spring 605 moves the first moving block 601 to a proper position by using the elasticity of the second return spring, and the distance between the first moving block 601 and the second moving block 602 can be adjusted by matching with the distance of the workpiece.

A first magnetic plate 607 is disposed inside the second guide rail 606, a magnetically repulsive metal plate 608 is disposed below the first moving block 601 and the second moving block 602, and the first moving block 601 and the second moving block 602 move due to magnetic repulsion between the magnetically repulsive metal plate 608 and the first magnetic plate 607, so that the first moving block 601 and the second moving block 602 do not collide with both ends of the second guide rail 606 due to the fact that the first moving block 601 and the second moving block 602 move at too high speed.

Workstation 2's inside is equipped with a plurality of smoke and dust and purifies box 9, and the smoke and dust purifies box 9 both sides and is equipped with the motor box, and motor 902 has been placed to motor box inside, and blade 903 is installed to the one end of motor 902, and activated carbon 901 has been placed to the below that the smoke and dust purified box 9, and baffle 904 is installed to the upper end that the smoke and dust purified box 9.

When opening motor 902, motor 902 drives blade 903 and rotates, blade 903 rotates and makes gaseous to remove to my direction that baffle 904 was located, gaseous is blockked by baffle 904 after reaching, and the gaseous meeting downstream that blocks makes at the in-process that moves down, the atmospheric pressure of the lower extreme of baffle 904 can reduce along with gaseous downstream, this makes the gaseous ability of the upper end of baffle 904 move down just can be with the smoke and dust area downstream that produces in the welding process, let the filtration of smoke and dust through activated carbon 909 discharge again.

The area of the upper end of the baffle 904 is larger than the area of the lower part, and the baffle is a truncated cone shape, so that the gas driven by the rotation of the blades 903 can move downwards.

Example two:

when the size of a vertically placed workpiece is smaller than the size of the knuckle of the two fixed blocks 702, a pneumatic system is started to adsorb and fix the workpiece by using the suction cup 703, because the size of the workpiece is smaller than the size of the knuckle of the two fixed blocks 702, when the suction cup 703 adsorbs the workpiece, the suction cup 703 can cling to two sides of the workpiece, meanwhile, the second magnetic plates 706 of the two fixed blocks 702 can cling together under the magnetic attraction force, and after the suction cup 703 clings to two sides of the workpiece, the second magnetic plates 706 of the two fixed blocks 702 can be pressed against each other, the buffer spring 708 on one side of the second magnetic plate 706 can move to match the size of the workpiece after the position of the second magnetic plate 706 is pressed by using the elasticity of the buffer spring 708, so that the size of the knuckle can be just adapted to the size of the workpiece.

The other parts are the same as the first embodiment.

The working principle of the invention is as follows:

when a fixed workpiece is welded, the height of a welding position is determined by moving the first sliding block 501 up and down, then the first air bag 505 is expanded by injecting air into the first air bag 505, the pushing plate 503 is pushed outwards and drives the connecting rod 502 to move outwards, and the connecting rod 502 drives the welding head 507 to move outwards while moving outwards, so that the welding distance between the workpiece and the connecting rod is adjusted.

When the size of the vertically placed workpiece is smaller than the size of the knuckle of the two fixed blocks 702, the pneumatic system is started to adsorb and fix the workpiece by using the suction cup 703, because the size of the workpiece is smaller than the size of the knuckle of the two fixed blocks 702, when the suction cup 703 adsorbs the workpiece, the suction cup 703 can cling to two sides of the workpiece, meanwhile, the second magnetic plates 706 of the two fixed blocks 702 can cling together under the magnetic attraction force, and after the suction cup 703 clings to two sides of the workpiece, the second magnetic plates 706 of the two fixed blocks 702 can be pressed against each other, the buffer spring 708 on one side of the second magnetic plate 706 can move to match the size of the workpiece after the position of the second magnetic plate 706 is pressed by using the elasticity of the buffer spring 708, so that the size of the knuckle can be just adapted to the size of the workpiece.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a laser-beam welding machine with purify smoke and dust function which characterized in that: including welding frame (1), workstation (2), support frame (3), first slide rail (4), welded subassembly (5), spacing subassembly (6) and go up fixed subassembly (7), workstation (2) are installed to the below of welding frame (1), support frame (3) are installed to the below of workstation (2), fixed subassembly (7) are installed to the below on the inside top of welding frame (1), first slide rail (4) are installed to welding frame (1) inner wall both sides, be equipped with welded subassembly (5) on first slide rail (4), the last surface mounting of workstation (2) has spacing subassembly (6).

2. The laser welding machine with the smoke dust purification function according to claim 1, characterized in that: the welding assembly (5) comprises a first sliding block (501), a connecting rod (502), a pushing plate (503), a first reset spring (504), a first air bag (505), a universal connector (506) and a welding head (507), wherein the first sliding block (501) is fixed on one side of a first sliding rail (4), the pushing plate (503) is arranged inside the first sliding block (501), the first air bag (505) is arranged between the pushing plate (503) and the first sliding block (501), the first reset spring (504) is installed on two sides of the first air bag (505), the connecting rod (502) is installed on the other side of the pushing plate (503), and the welding head (507) is connected with the connecting rod (502) through the universal connector (506).

3. The laser welding machine with the smoke dust purification function according to claim 1, characterized in that: go up fixed subassembly (7) and include third guide rail (8), second slider (701), fixed block (702) and fourth guide rail (704), second slider (701) are installed to the below of third guide rail (8), the below of second slider (701) is equipped with fourth guide rail (704), fixed block (702) are connected through fourth guide rail (704) in second slider (701).

4. The laser welding machine with the smoke dust purification function according to claim 1, characterized in that: the fixed block (702) is L-shaped, and a plurality of suction nozzles (705) are arranged below the fixed block (702).

5. The laser welding machine with the smoke dust purification function according to claim 1, characterized in that: the inner side of the fixed block (702) is provided with a plurality of suckers (703).

6. The laser welding machine with the smoke dust purification function according to claim 1, characterized in that: the magnetic suspension type magnetic suspension device is characterized in that a buffer spring (708) is arranged inside the upper end of the fixed block (702), a buffer extrusion plate (707) is installed on one side of the buffer spring (708), and a second magnetic plate (706) is arranged on one side of the buffer extrusion plate (707).

7. The laser welding machine with the smoke dust purification function according to claim 1, characterized in that: the limiting assembly comprises a first moving block (601), a second moving block (602), a telescopic outer pipe (603), a telescopic inner pipe (604), a second reset spring (605) and a second guide rail (606), the second guide rail (606) is arranged on the upper surface of the workbench (2), the first moving block (601) and the second moving block (602) are arranged on the second guide rail (606), the telescopic inner pipe (604) is arranged on one side of the first moving block (601), the telescopic outer pipe (603) is arranged on one side of the second moving block (602), one end of the telescopic inner pipe (604) is sleeved inside one end of the telescopic outer pipe (603), and the first moving block (601) is connected with the telescopic outer pipe (603) through the second reset spring (605).

8. The laser welding machine with the smoke dust purification function according to claim 1, characterized in that: a first magnetic plate (607) is arranged on the inner side of the second guide rail (606), and magnetic repelling metal plates (608) are arranged below the first moving block (601) and the second moving block (602).

9. The laser welding machine with the smoke dust purification function according to claim 1, characterized in that: the inside of workstation (2) is equipped with a plurality of smoke and dust and purifies box (9), smoke and dust purifies box (9) both sides and is equipped with the motor box, motor (902) have been placed to motor box inside, blade (903) are installed to the one end of motor (902), activated carbon (901) have been placed to the below of smoke and dust purification box (9), baffle (904) are installed to the upper end of smoke and dust purification box (9).

10. The laser welding machine with the smoke dust purification function according to claim 1, characterized in that: the area of the upper end of the baffle (904) is larger than that of the lower part of the baffle, and the baffle is of a chamfered frustum shape.