CN113664373A

CN113664373A - Laser spot welding machine

Info

Publication number: CN113664373A
Application number: CN202111076822.4A
Authority: CN
Inventors: 靳坚文; 靳耿南
Original assignee: Shenzhen Jinhuiyuan Investment Co ltd
Current assignee: Shenzhen Jinhuiyuan Investment Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2021-11-19

Abstract

The invention discloses a laser spot welding machine, and relates to the technical field of laser spot welding machines, in particular to a laser spot welding head arranged at the top of a spot welding machine body, wherein a smoke exhaust component is arranged outside the laser spot welding head, the bottom of an upper smoke sleeve is in threaded connection with a lower cigarette holder, the bottom of a smoke box is connected with an air exhaust pump, a through hole is formed in the surface of one end, close to the upper smoke sleeve, of a pipeline, one end of a micro motor is rotatably connected with a hairbrush, and a laser positioning pen is arranged on the front face of the laser spot welding head. This laser spot welding machine, the light beam throws and forms the light spot to its equidistance of carrying out and divide to the article surface, is convenient for plan spot welding position, spot welding quantity and spot welding interval, and the light spot coincides with the light spot that laser positioning pen throws again for spot welding position can accurate location, and produced flue gas when to spot welding absorbs the back for a long time, has pliant plastic stick through the push-and-pull and can make the brush clear up the pipeline inner wall, avoids the pipeline to receive the corruption influence life.

Description

Laser spot welding machine

Technical Field

The invention relates to the technical field of laser spot welding machines, in particular to a laser spot welding machine.

Background

The laser spot welding machine mainly comprises a laser, a power supply, a control unit, a cooling unit, a light guide unit, a focusing unit and a binocular stereomicroscope observation unit, and has the advantages of compact structure and small volume.

The existing laser spot welding machine often absorbs the smoke through an air suction pump and a pipeline when performing spot welding on an object, but the smoke is condensed and accumulated in the pipeline to cause unsmooth flow of the smoke after being absorbed for a long time, and the pipeline is easily corroded to influence the service life of the pipeline.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a laser spot welding machine, which solves the problems that the prior laser spot welding machine in the background art often generates harmful smoke when performing spot welding on an object, the smoke is absorbed through an air suction pump and a pipeline in a general treatment measure, but the smoke is condensed in the pipeline to cause the smoke to flow unsmoothly and corrode the pipeline easily to influence the service life of the pipeline after being absorbed for a long time.

In order to achieve the purpose, the invention is realized by the following technical scheme: a laser spot welding machine comprises a spot welding machine body and a smoke exhaust assembly, wherein a laser spot welding head is arranged at the top of the spot welding machine body, an operation platform is arranged at the bottom of the spot welding machine body, the smoke exhaust assembly is arranged outside the laser spot welding head and comprises an upper smoke sleeve, a lower cigarette holder, a pipeline, a smoke box, a drawer, filter cloth, an air exhaust pump, a through hole, a sealing nozzle, a plastic rod, a micro motor and a brush, the bottom of the upper smoke sleeve is in threaded connection with a lower cigarette holder, the outer side of the upper smoke sleeve is connected with a pipeline, the bottom end of the pipeline is connected with the smoke box, the drawer is in sliding connection with the inner part of the smoke box, the filter cloth is arranged at the bottom of the drawer, the air exhaust pump is connected with the bottom of the smoke box, the through hole is formed in the surface of one end, close to the upper smoke sleeve, of the pipeline, the sealing nozzle is arranged inside of the plastic rod penetrates through the through hole, and the bottom of the plastic rod is connected with a micro motor, one end of the micro motor is rotatably connected with a brush, and the front of the laser spot welding head is provided with a laser positioning pen.

Optionally, the seal mouth, plastic stick all have the pliability, and the seal mouth inner wall laminates with the plastic stick outer wall mutually.

Optionally, the outer wall of the brush is attached to the inner wall of the pipeline, and the brush is connected with the pipeline in a sliding mode through the micro motor and the plastic rod.

Optionally, the air pump is communicated with the drawer and the smoke box through filter cloth, and the smoke box is communicated with the upper smoke sleeve through a pipeline.

Optionally, a clamp is arranged on the side face of the top of the spot welding machine body, and the clamp wraps the outer wall of the top of the plastic rod.

Optionally, laser spot welding head below is provided with the centre gripping subassembly, the centre gripping subassembly includes fixed folder, slide bar, activity folder, screw thread handle, rotating gear axle, gear shaft handle and rotation chassis, the inner wall bottom of fixed folder is provided with the slide bar, and the outside sliding connection of slide bar has the activity folder, the right side of activity folder rotates through the bearing and is connected with the screw thread handle, the bottom of fixed folder is provided with the rotating gear axle, and the bottom meshing of rotating gear axle is connected with the gear shaft handle, the both ends of rotating gear axle are rotated and are connected with the rotation chassis.

Optionally, the threaded handle is in threaded connection with the fixed clamp, and the threaded handle and the sliding rod are horizontally distributed.

Optionally, the gear shaft handle is rotatably connected with the rotating underframe, and the rotating underframe is slidably connected with the operation platform.

Optionally, the left side of fixed folder is provided with the equidistance and divides the subassembly, the equidistance divides the subassembly to include screw thread box, luminescent plate, lid and division hole, the inside of screw thread box is provided with the luminescent plate, and the outside threaded connection in right side of screw thread box has the lid, the division hole has been seted up on the surface of lid.

Optionally, the dividing holes are distributed on the surface of the box cover in a ring shape, and the number of the dividing holes is at least one.

The invention provides a laser spot welding machine which has the following beneficial effects:

the light beam throws and forms the light spot to its equidistance of carrying out the equidistance division to article surface, is convenient for plan spot welding position, spot welding quantity and spot welding interval, and the light spot coincides with the light spot that laser positioning pen throws again for the spot welding position can accurate location, and after long-time absorption is carried out to produced flue gas when spot welding, has pliability plastic stick through the push-and-pull and can make the brush clear up the pipeline inner wall, avoids the pipeline to receive the corruption influence life.

1. Laser spot welding head when the operation produces the flue gas, the aspiration pump operates and produces the negative pressure in cigarette holder position down, thereby make the flue gas pass the cigarette cover in proper order, collect the coagulation product behind the pipeline in the drawer, this is provided with and does benefit to and avoids the flue gas diffusion, prevent that the flue gas from being influenced healthily by human inhalation, and because the filter cloth of drawer bottom can make things convenient for the dust particle in the gas circulation to adsorb the filtration in to the flue gas, avoid the direct discharge of flue gas to influence the environment, and the drawer can be taken out so that clear away the dust particle of coagulation product from smoke and dust incasement portion at any time.

2. This laser spot welder is when idle, carry the brush in the inside reciprocal slip of pipeline through extracting the seal and push-and-pull plastic stick from top to bottom makes the micro motor of its bottom, micro motor drives the brush and pastes in the rotation of pipeline inner wall simultaneously, this be provided with does benefit to the dust of cleaing away the build-up on the pipeline inner wall, avoid the pipeline to be corroded by it, the patency that the flue gas flows also can be ensured simultaneously, and the brush outer wall pastes in the pipeline inner wall, the brush inner wall pastes in the micro motor outer wall simultaneously, thereby can clear up the micro motor outer wall simultaneously, and can expose inside its and last cigarette cover through twisting off the cigarette holder down, and the pipeline is close to the inside of last cigarette cover one end, thereby make things convenient for the manual work to clear up above-mentioned position.

3. The object to be spot-welded is placed between the fixed clamping piece and the movable clamping piece with the spot-welding position facing upwards, the movable clamping piece is made to be close to the fixed clamping piece through the rotating thread handle so as to clamp the object, then the movable clamping piece drives the rotating gear shaft through the rotating gear shaft so as to enable the object to rotate front and back, the object can horizontally rotate and slide front and back simultaneously through the sliding connection of the rotating chassis and the operation platform, and therefore the position of the object to be spot-welded is favorably adjusted.

4. The luminescent plate gives off light and is divided the hole and divide into the light beam, and the light beam throws to the article surface can divide its surperficial equidistance to staff plans spot welding position, spot welding quantity and spot welding interval, and sets up lid and screw thread box threaded connection who divides the hole, through taking off original lid and changing the lid that has different quantity and divide the hole, can realize the equidistance to the different patterns of article and divide.

5. The luminescent plate forms the light spot on the article surface through dividing the hole, and this light spot is the spot welding point, and through the light spot that throws laser positioning pen and this spot welding point coincidence, the light spot that laser positioning pen throws is the operation position of laser spot welding head promptly, should set up and make laser spot welding head accurate when the operation fall on spot welding point position to improve spot welding accuracy.

Drawings

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

FIG. 2 is a front view of the fixing clip of the present invention;

FIG. 3 is a schematic view of the connection structure of the screw box and the box cover according to the present invention;

FIG. 4 is a side view of the lid of the present invention;

FIG. 5 is a schematic view of a laser spot welding head in elevation;

FIG. 6 is a side view of the internal structure of the drawer according to the present invention;

fig. 7 is a schematic view of the internal structure of the pipe of the present invention.

In the figure: 1. a spot welder body; 2. laser spot welding heads; 3. an operation platform; 4. a smoking assembly; 401. putting a cigarette sleeve; 402. a cigarette holder is arranged; 403. a pipeline; 404. a dust box; 405. a drawer; 406. filtering cloth; 407. an air pump; 408. a through hole; 409. sealing the mouth; 410. a plastic rod; 411. a micro motor; 412. a brush; 5. a clamp; 6. a clamping assembly; 601. fixing the clamp; 602. a slide bar; 603. a movable clamp; 604. a threaded handle; 605. rotating the gear shaft; 606. a gear shaft handle; 607. rotating the underframe; 7. equally dividing the components; 701. a thread box; 702. a light emitting panel; 703. a box cover; 704. dividing holes; 8. laser positioning pen.

Detailed Description

As shown in fig. 1 and fig. 5 to 7, the present invention provides a technical solution: a laser spot welding machine comprises a spot welding machine body 1 and a smoke pumping component 4, wherein a laser spot welding head 2 is arranged at the top of the spot welding machine body 1, an operation platform 3 is arranged at the bottom of the spot welding machine body 1, the smoke pumping component 4 is arranged outside the laser spot welding head 2, the smoke pumping component 4 comprises an upper smoke sleeve 401, a lower cigarette holder 402, a pipeline 403, a smoke dust box 404, a drawer 405, a filter cloth 406, a suction pump 407, a through hole 408, a sealing nozzle 409, a plastic rod 410, a micro motor 411 and a brush 412, the bottom of the upper smoke sleeve 401 is in threaded connection with the lower cigarette holder 402, the outer side of the upper smoke sleeve 401 is connected with the pipeline 403, the bottom end of the pipeline 403 is connected with the smoke dust box 404, the drawer 405 is in sliding connection with the smoke dust box 404, the filter cloth 406 is arranged at the bottom of the drawer 405, the suction pump 407 is connected with the bottom of the smoke dust box 404, the through hole 408 is formed in the surface of one end, close to the upper smoke sleeve 401, and the sealing nozzle 409 is arranged in the through hole 408, a plastic rod 410 penetrates through the inside of the sealing mouth 409, the bottom end of the plastic rod 410 is connected with a micro motor 411, one end of the micro motor 411 is rotatably connected with a brush 412, the sealing mouth 409 and the plastic rod 410 both have flexibility, the inner wall of the sealing mouth 409 is attached to the outer wall of the plastic rod 410, the outer wall of the brush 412 is attached to the inner wall of the pipeline 403, the brush 412 is in sliding connection with the pipeline 403 through the micro motor 411 and the plastic rod 410, the suction pump 407 is communicated with the drawer 405 and the smoke box 404 through a filter cloth 406, the smoke box 404 is communicated with the upper smoke sleeve 401 through the pipeline 403, a clamp 5 is arranged on the side face of the top of the spot welding machine body 1, and the clamp 5 wraps the outer wall of the top of the plastic rod 410;

the operation is as follows, smoke will be generated when the laser spot welding head 2 operates, at this time, the air pump 407 operates to generate negative pressure at the lower cigarette holder 402, so that the smoke passes through the upper cigarette sleeve 401 and the pipeline 403 in sequence and collects and condenses in the drawer 405, and the filter cloth 406 at the bottom of the drawer 405 can facilitate the gas circulation and absorb and filter the dust particles in the smoke, thereby preventing the smoke from being directly discharged and influencing the environment, and the drawer 405 can be drawn out from the smoke box 404 at any time so as to remove the condensed dust particles, when the laser spot welding machine is idle, the micro motor 411 at the bottom of the laser spot welding machine carries the brush 412 to slide back and forth in the pipeline 403 by pulling out the sealing mouth 409 and pushing and pulling the plastic rod 410 up and down, and the micro motor 411 drives the brush 412 to rotate along the inner wall of the pipeline 403, which is beneficial to removing the dust condensed on the inner wall of the pipeline 403 and preventing the pipeline 403 from being corroded, also can ensure the patency that the flue gas flows simultaneously, and brush 412 outer wall pastes in pipeline 403 inner wall, brush 412 inner wall pastes in micro motor 411 outer wall simultaneously, thereby can clear up micro motor 411 outer wall simultaneously, and can expose inside its and last cigarette cover 401 through unscrewing cigarette holder 402, and the inside that pipeline 403 is close to last cigarette cover 401 one end, thereby make things convenient for the manual work to clear up above-mentioned position, seal mouth 409 inserts through-hole 408 inside again and seals after the clearance finishes, avoid gaseous from taking place to reveal from through-hole 408, and plastic rod 410 top is by anchor clamps 5 centre gripping, avoid influencing the operation of laser spot welding head 2.

As shown in fig. 1-2, a clamping assembly 6 is disposed below the laser spot welding head 2, the clamping assembly 6 includes a fixed clamp 601, a sliding rod 602, a movable clamp 603, a threaded handle 604, a rotating gear shaft 605, a gear shaft handle 606 and a rotating bottom frame 607, the sliding rod 602 is disposed at the bottom of the inner wall of the fixed clamp 601, and the outer part of the sliding rod 602 is connected with a movable clamp 603 in a sliding way, the right side of the movable clamp 603 is connected with a threaded handle 604 in a rotating way through a bearing, the bottom of the fixed clamp 601 is provided with a rotating gear shaft 605, the bottom of the rotating gear shaft 605 is engaged with a gear shaft handle 606, the two ends of the rotating gear shaft 605 are rotatably connected with a rotating bottom frame 607, the threaded handle 604 is in threaded connection with the fixed clamp 601, the threaded handle 604 and the sliding rod 602 are horizontally distributed, the gear shaft handle 606 is rotatably connected with the rotating underframe 607, and the rotating underframe 607 is slidably connected with the working platform 3;

the specific operation is as follows, the object to be spot-welded is placed between the fixed clamp 601 and the movable clamp 603 with the spot-welded part facing upwards, the movable clamp 603 is close to the fixed clamp 601 by rotating the screw handle 604 to clamp the object, the rotating gear shaft 605 is driven by the rotating gear shaft 606 after spot welding is completed, the object carried by the fixed clamp 601 rotates forwards and backwards, the object can horizontally rotate by rotating the rotating bottom frame 607, and the rotating bottom frame 607 can slide forwards and backwards in the operation platform 3 by pushing, so that the position of the spot-welded part of the object can be adjusted.

As shown in fig. 1 and fig. 3-4, an equidistant dividing assembly 7 is arranged on the left side of the fixing clip 601, the equidistant dividing assembly 7 includes a screw thread box 701, a light-emitting plate 702, a box cover 703 and dividing holes 704, the light-emitting plate 702 is arranged inside the screw thread box 701, the box cover 703 is in threaded connection with the right side of the screw thread box 701, the dividing holes 704 are formed in the surface of the box cover 703, the dividing holes 704 are distributed on the surface of the box cover 703 in a ring shape, the number of the dividing holes 704 is at least one, and the front side of the laser spot welding head 2 is provided with a laser positioning pen 8;

the specific operation is that the light-emitting plate 702 is electrified inside the screw thread box 701 to emit light, the light passes through the dividing holes 704 on the surface of the box cover 703 to be divided into light beams, the light beams are projected to the surface of the object to form light spots distributed at equal intervals, so as to divide the object at equal intervals, each light spot corresponds to one spot welding point, so that a worker can plan spot welding positions, spot welding quantity and spot welding intervals, the box cover 703 provided with the dividing holes 704 is in threaded connection with the screw thread box 701, the original box cover 703 is taken down and the box cover 703 with different numbers of dividing holes 704 is replaced, so as to realize equal interval division of different styles of the object, as the light spot is formed on the surface of the object by the dividing holes 704 by the light-emitting plate 702, the light spot is the spot welding point, and then the light spot projected by the laser positioning pen 8 is superposed with the spot welding point, and the light spot projected by the laser positioning pen 8 is the operation position of the laser positioning head 2, this setting makes laser spot welding head 2 accurate when the operation fall on spot welding point position to improve spot welding accuracy.

In summary, when the laser spot welder is used, firstly, an object to be spot-welded is placed between the fixed clamp 601 and the movable clamp 603 with the spot-welding position facing upwards, and the movable clamp 603 is close to the fixed clamp 601 by rotating the threaded handle 604 so as to clamp the object;

then, the light-emitting plate 702 is electrified inside the thread box 701 to emit light rays, the light rays penetrate through the dividing holes 704 on the surface of the box cover 703 to be divided into light beams, the light beams are projected to the surface of the object to form light spots distributed at equal intervals, so that the object is divided at equal intervals, and each light spot corresponds to one spot welding point, so that a worker plans spot welding positions, spot welding quantity and spot welding intervals;

then, the gear shaft handle 606 is rotated to drive the gear shaft 605 to rotate the fixed clamp 601 back and forth with the object, the object can horizontally rotate by rotating the rotating bottom frame 607, and the rotating bottom frame 607 is pushed to slide back and forth in the operation platform 3, so that the position of the point to be spot welded of the object can be adjusted;

then, the light spot projected by the laser positioning pen 8 is the operation position of the laser spot welding head 2, and the laser spot welding head 2 is accurately positioned at the spot welding point during operation by the arrangement, so that the spot welding accuracy is improved;

then, smoke is generated during operation of the laser spot welding head 2, at the moment, the air suction pump 407 operates at the position of the lower cigarette holder 402 to generate negative air pressure, so that the smoke sequentially passes through the upper cigarette sleeve 401 and the pipeline 403 and then is collected and accumulated in the drawer 405, dust particles in the smoke can be adsorbed and filtered while the air can conveniently circulate through the filter cloth 406 at the bottom of the drawer 405, the smoke is prevented from being directly discharged to influence the environment, and the drawer 405 can be drawn out from the interior of the smoke box 404 at any time so as to remove the accumulated dust particles;

when the laser spot welding machine is idle, the sealing nozzle 409 is pulled out, the plastic rod 410 is pushed and pulled up and down, so that the micro motor 411 at the bottom of the sealing nozzle carries the brush 412 to slide in the pipeline 403 in a reciprocating mode, meanwhile, the micro motor 411 drives the brush 412 to be attached to the inner wall of the pipeline 403 to rotate, dust accumulated on the inner wall of the pipeline 403 can be cleared away conveniently, the pipeline 403 is prevented from being corroded by the dust, meanwhile, the smoothness of smoke flowing can be guaranteed, the outer wall of the brush 412 is attached to the inner wall of the pipeline 403, meanwhile, the inner wall of the brush 412 is attached to the outer wall of the micro motor 411, and therefore the outer wall of the micro motor 411 can be cleared away at the same time;

at last, the cigarette holder 402 can be exposed from the interior of the upper cigarette sleeve 401 by unscrewing the cigarette holder, and the pipeline 403 is close to the interior of one end of the upper cigarette sleeve 401, so that the parts can be cleaned manually, the sealing mouth 409 is inserted into the through hole 408 again to be sealed after the cleaning is finished, gas leakage from the through hole 408 is avoided, the top of the plastic rod 410 is clamped by the clamp 5, and the influence on the operation of the laser spot welding head 2 is avoided.

Claims

1. A laser spot welder, includes spot welder body (1) and smoking subassembly (4), its characterized in that: the spot welding machine is characterized in that a laser spot welding head (2) is arranged at the top of a spot welding machine body (1), an operation platform (3) is arranged at the bottom of the spot welding machine body (1), a smoke exhaust component (4) is arranged outside the laser spot welding head (2), the smoke exhaust component (4) comprises an upper smoke sleeve (401), a lower cigarette holder (402), a pipeline (403), a smoke dust box (404), a drawer (405), a filter cloth (406), an air suction pump (407), a through hole (408), a sealing nozzle (409), a plastic rod (410), a micro motor (411) and a brush (412), the lower cigarette holder (402) is in threaded connection with the bottom of the upper smoke sleeve (401), the pipeline (403) is connected with the outer side of the upper smoke sleeve (401), the bottom end of the pipeline (403) is connected with the smoke dust box (404), the drawer (405) is in sliding connection with the inner portion of the smoke dust box (404), and the filter cloth (406) is arranged at the bottom of the drawer (405), the bottom of smoke and dust case (404) is connected with aspiration pump (407), through-hole (408) have been seted up on the surface that pipeline (403) are close to cigarette cover (401) one end, and the inside of through-hole (408) is provided with seal mouth (409), the inside of seal mouth (409) is run through and is had plastic stick (410), and the bottom of plastic stick (410) is connected with micro motor (411), the one end of micro motor (411) is rotated and is connected with brush (412), the front of laser spot welding head (2) is provided with laser positioning pen (8).

2. A laser spot welder according to claim 1, characterized in that: the sealing mouth (409) and the plastic rod (410) are flexible, and the inner wall of the sealing mouth (409) is attached to the outer wall of the plastic rod (410).

3. A laser spot welder according to claim 1, characterized in that: the outer wall of the brush (412) is attached to the inner wall of the pipeline (403), and the brush (412) is connected with the pipeline (403) in a sliding mode through the micro motor (411) and the plastic rod (410).

4. A laser spot welder according to claim 1, characterized in that: the air suction pump (407) is communicated with the drawer (405) and the smoke box (404) through filter cloth (406), and the smoke box (404) is communicated with the upper cigarette sleeve (401) through a pipeline (403).

5. A laser spot welder according to claim 1, characterized in that: the spot welding machine is characterized in that a clamp (5) is arranged on the side face of the top of the spot welding machine body (1), and the clamp (5) wraps the outer wall of the top of the plastic rod (410).

6. A laser spot welder according to claim 1, characterized in that: the laser spot welding device is characterized in that a clamping assembly (6) is arranged below the laser spot welding head (2), the clamping assembly (6) comprises a fixed clamping piece (601), a sliding rod (602), a movable clamping piece (603), a thread handle (604), a rotating gear shaft (605), a gear shaft handle (606) and a rotating bottom frame (607), the sliding rod (602) is arranged at the bottom of the inner wall of the fixed clamping piece (601), the movable clamping piece (603) is connected to the outer portion of the sliding rod (602) in a sliding mode, the right side of the movable clamping piece (603) is connected with the thread handle (604) in a rotating mode through a bearing in a rotating mode, the rotating gear shaft (605) is arranged at the bottom of the fixed clamping piece (601), the gear shaft (605) is connected to the gear shaft handle (606) in a meshing mode, and the rotating bottom frame (607) is connected to the two ends of the rotating gear shaft (605) in a rotating mode.

7. A laser spot welder according to claim 6, characterized in that: the threaded handle (604) is in threaded connection with the fixed clamp (601), and the threaded handle (604) and the sliding rod (602) are horizontally distributed.

8. A laser spot welder according to claim 6, characterized in that: the gear shaft handle (606) is rotatably connected with the rotating underframe (607), and the rotating underframe (607) is slidably connected with the operation platform (3).

9. A laser spot welder according to claim 6, characterized in that: the left side of fixed folder (601) is provided with the equidistance and divides subassembly (7), the equidistance divides subassembly (7) including screw thread box (701), luminescent plate (702), lid (703) and dividing hole (704), the inside of screw thread box (701) is provided with luminescent plate (702), and the outside threaded connection in right side of screw thread box (701) has lid (703), dividing hole (704) have been seted up on the surface of lid (703).

10. A laser spot welder according to claim 9, characterized in that: the dividing holes (704) are distributed on the surface of the box cover (703) in a ring shape, and the number of the dividing holes (704) is at least one.