CN212634677U - Pressing device for laser welding of baking box - Google Patents

Abstract

The utility model discloses a pressing device for laser welding of a baking box, which comprises a first mounting seat for bearing a plurality of sub-boxes with tank bodies and rectangular flanges, and a first extruding mechanism arranged on the first mounting seat; the first extrusion mechanism is used for pressing a plurality of rectangular flanges of the sub-boxes in the horizontal direction to be attached to the same horizontal plane and tightly arranged on the first mounting seat in a transverse and longitudinal arrangement mode. Through putting a plurality of sub-boxes neatly on first mount pad, the rectangle turn-ups outline of sub-box is close to align, forms vertically and horizontally staggered's many straight lines concatenation seam, then supports the action through pushing away of first extrusion mechanism at the horizontal direction, realizes pushing away between sub-box and the sub-box and supports close, further eliminates the clearance, makes things convenient for the laser welding in later stage.

Description

Pressing device for laser welding of baking box

Technical Field

The utility model relates to a cure box preparation processing technology field, concretely relates to a closing device for curing box laser welding.

Background

In the forming process of the baking box, the traditional process needs to firstly punch a box hole on a flat plate, then punch and rivet the punched box into the flat plate with the box hole, the punching needs to be carried out for multiple times, the forming efficiency of the baking box is low, the gap of the punched and riveted part of the obtained baking box is large after a long time, and some boxes can directly fall off. Therefore, there is a need to develop a forming apparatus of a roasting box and a method thereof to solve the problems of the prior art.

Specially imagine the mode that adopts laser welding, tentatively be with every box processing shape that the sub-box has the rectangle turn-ups promptly, put the rectangle turn-ups of each sub-box on the coplanar, and each other is close, adopt laser welding's mode again to weld the sub-box together and form a whole, but put the in-process, but lean on artifical mode to be difficult to guarantee that the straight line concatenation seam between the sub-box all is in same straight line, this has just brought the inconvenience for processing, if the straight line concatenation seam is not on same straight line, then can produce the condition that the welding is out of order or rosin joint, thereby cause the substandard product.

Disclosure of Invention

The utility model discloses to the not enough that exists among the above-mentioned prior art, provide an automatic closing device for curing box laser welding, this closing device supports a plurality of orderly sub-boxes of putting through the mode that pushes away to lean on tightly, eliminates the clearance, makes the straight line of crossing concatenation seam anyhow all be in on the same straight line along respective direction to do benefit to the welding in later stage.

Solve the technical problem, the utility model discloses take following technical scheme:

the pressing device for the laser welding of the baking box comprises a first mounting seat and a first extrusion mechanism, wherein the first mounting seat is used for bearing a plurality of sub-boxes with tank bodies and rectangular flanges; the first extrusion mechanism is used for pressing a plurality of sub-box rectangular flanges in the horizontal direction to be attached to the same horizontal plane and tightly arranged on the first mounting seat in a transverse and longitudinal arrangement mode.

Preferably, the first extrusion mechanism comprises an X-axis datum leaning strip and a Y-axis datum leaning strip, the X-axis datum leaning strip and the Y-axis datum leaning strip are both installed at two adjacent side edges of the upper end of the first installation seat, the X-axis datum leaning strip and the Y-axis datum leaning strip are distributed in a mutually perpendicular mode, a first pushing block arranged in parallel with the Y-axis datum leaning strip is arranged at one end, away from the Y-axis datum leaning strip, of the X-axis datum leaning strip, a first air cylinder driving the first pushing block to move towards the Y-axis datum leaning strip is connected onto the first pushing block, a second pushing block arranged in parallel with the X-axis datum leaning strip is arranged at one end, away from the X-axis datum leaning strip, of the Y-axis datum leaning strip, and a second air cylinder driving the second pushing block to move towards the X-axis datum leaning strip are connected onto the second pushing block. The X-axis reference leaning strip and the Y-axis reference leaning strip are fixed and are located at two adjacent side edges of the first mounting seat, the hollow parts of the two other side edges are respectively provided with a first pushing and supporting block and a second pushing and supporting block which move, the first pushing and supporting block and the second pushing and supporting block are driven by different cylinders to move, after the plurality of sub-boxes are placed on the first mounting seat in a horizontal and vertical mode, the cylinders push the first pushing and supporting blocks or the second pushing and supporting blocks to move, the sub-boxes arranged in the horizontal and vertical mode are made to approach each other again, and therefore the straight line splicing seams are all strictly located on the same straight line.

Preferably, the first abutting blocks are a plurality of mutually adjacent ones, and each first abutting block is connected with a first cylinder. The first pushing and supporting blocks are divided into a plurality of blocks, so that each pushing and supporting block can move independently to respectively push and tightly the independent rows of sub-boxes, the rectangular flanges of each row of sub-boxes are close to each other, and gaps are eliminated.

Preferably, the second abutting blocks are a plurality of mutually adjacent second abutting blocks, and each second abutting block is connected with one second cylinder. In a similar way, the first pushing and abutting blocks are divided into a plurality of blocks, so that each pushing and abutting block can independently move to respectively push and tighten the independent rows of sub-boxes, the rectangular flanges of each row of sub-boxes are close to each other, and gaps are eliminated; furthermore, the first pushing block and the second pushing block are separated and work independently, and meanwhile, the interference in two vertical directions is avoided, so that two purposes are achieved.

The utility model has the advantages that:

through putting a plurality of sub-boxes neatly on first mount pad, the rectangle turn-ups outline of sub-box is close to align, forms vertically and horizontally staggered's many straight lines concatenation seam, then supports the action through pushing away of first extrusion mechanism at the horizontal direction, realizes pushing away between sub-box and the sub-box and supports close, further eliminates the clearance, makes things convenient for the laser welding in later stage.

Furthermore, each row and each line of the sub-boxes are respectively pushed by the corresponding first pushing block or the corresponding second pushing block, so that the straight splicing seams between the adjacent sub-boxes are more compact and are tightly connected into straight lines which are arranged in a transverse and vertical manner.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

FIG. 1 is a schematic structural view of a forming device of the baking box of the present invention;

FIG. 2 is a top view of the baking box forming apparatus of the present invention;

FIG. 3 is a schematic structural view of a first clamp of the baking box forming device according to the present invention;

FIG. 4 is a top isometric view of the baking box forming apparatus of the present invention with the second clamp placed between the frame and the mother box;

FIG. 5 is an enlarged partial schematic view at A of FIG. 4;

FIG. 6 is a top isometric view of the baking box forming apparatus of the present invention without the second clamp positioned in the return frame and the parent box;

FIG. 7 is a bottom isometric view of the baking box forming apparatus of the present invention without the second clamp placed between the frame and the mother box;

figure 8 is a bottom isometric view of a second clamp in the baking box forming apparatus of the present invention;

FIG. 9 is an enlarged partial schematic view at B of FIG. 8;

FIG. 10 is a schematic structural view of the roasting box of the present invention;

FIG. 11 is a schematic view of the structure of the sub-box of the roasting box according to the present invention;

fig. 12 is a top view of the roasting box of the present invention.

The figures are numbered: 1. a forming table; 101. a first linear guide rail; 1011. a first feeding point; 1012. a first processing point; 1013. a first blanking point; 102. a second linear guide; 1021. a second feeding point; 1022. a second machining point; 1023. a second discharge point; 2. a first clamp; 201. a first mounting seat; 202. an X-axis reference leaning strip; 203. a Y-axis reference leaning strip; 204. an electromagnet chuck; 205. a first cylinder; 206. a first stopper; 207. a second cylinder; 208. a second limiting block; 3. a second clamp; 301. a second mounting seat; 302. a rotating cylinder; 303. a first gear; 304. a second gear; 305. turning over the pressing plate; 306. a clamping plate; 307. a rotating shaft; 308. a shaft sleeve; 309. a spring pin; 310. a third cylinder; 311. a third limiting block; 312. a fourth linear guide; 313. a slide plate; 314. a chute; 315. a micro cylinder; 316. a limiting plate; 317. a fourth cylinder; 318. a slider; 319. a fourth linear guide; 4. a support; 5. a third linear guide rail; 6. laser welding the box; 7. a water cooling machine; 8. a laser; 9. a dust remover; 10. an electric control cabinet; 11. a PC computer cabinet; 12. a sub-box; 1201. a sub-box body; 1202. a tank body; 1203. flanging; 13. A mother box; 14. a clip frame; 15. and (6) linearly splicing seams.

Detailed Description

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the appearances of the indicating orientation or positional relationship, such as the terms "inner", "outer", "upper", "lower", "left", "right", etc., are only for convenience in describing the embodiments and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

The utility model discloses an important component for curing box former of closing device for curing box laser welding, next do detailed introduction:

as shown in fig. 10-12, the present invention firstly provides a baking box, which comprises a female box 13 and a clip-shaped frame 14, wherein the female box 13 is welded in the clip-shaped frame 14, so as to facilitate taking the female box 13. The female box 14 is formed by arranging and welding a plurality of sub-boxes 12 in a rectangular array, each sub-box 12 comprises a tank body 1202 with a cavity, and a flanging 1203 with a rectangular outer contour is arranged around a punching opening of each tank body 1202. The flanging edges of two adjacent sub-boxes 12 are jointed; the flanged edges of the sub-boxes 12 in the same row and the same column, which are attached to the sub-boxes 12 in the adjacent row and the adjacent column, are in the same plane.

Because the punching of the sub-box 12 is provided with the flanging 1203 with the rectangular outer contour, the sub-boxes are conveniently and orderly stacked together, the splicing gap is ensured to be a straight line, and the welding efficiency and quality are improved. A plurality of sub boxes are welded into a main box 13, and then the main box is welded with the clip-shaped frame 14 for forming, so that materials can be greatly saved. The welding-formed baking box has high strength, and can not loosen and fall off even being beaten by long-time vibration, so that the service life is prolonged. In addition, the baking box obtained by welding has a flat surface, does not have concave-convex steps, is not easy to stick ash, is easy to clean, can be repeatedly used, and ensures the safety of cake food.

In order to produce and obtain foretell box of baking, as shown in fig. 1-9, the utility model provides a baking box's former, including forming table 1, be equipped with first linear guide 101 and second linear guide 102 on forming table 1, be equipped with two first anchor clamps 2 of fixing a plurality of sub-boxes 12 on first linear guide 101, first anchor clamps 2 are promptly the utility model discloses a closing device, first anchor clamps 2 can move along first linear guide 101, be equipped with two second anchor clamps 3 of fixing time type frame 14 and female box 13 on second linear guide 102, second anchor clamps 3 can move along second linear guide 102, be equipped with support 4 on forming table 1, be equipped with third linear guide 5 on support 4, be equipped with the laser welding case 6 that can move along third linear guide 5 on third linear guide 5, one side of forming table 1 is equipped with and controls first anchor clamps 2, The PC computer cabinet 11 that second anchor clamps 3 and laser welding case 6 removed, 11 one side electricity on the PC computer cabinet are connected with electric cabinet 10, one side of shaping platform 1 still is equipped with the laser instrument 8 of being connected with laser welding case 6 electricity.

In this embodiment, the first linear guide 101 and the second linear guide 102 are parallel to each other, and the third linear guide 5 is provided to intersect with the first linear guide 101 and the second linear guide 102. The first linear guide 101 is provided with a first feeding point 1011, a first processing point 1012, and a first discharging point 1013 along its longitudinal direction. The second linear guide 102 is provided with a second feeding point 1021, a second processing point 1022 and a second discharging point 1023 along the length direction thereof. The third linear guide 5 is slidably provided with a laser welding box 6, and the laser welding box 6 can reciprocate between the first processing point 1012 and the second processing point 1022.

The embodiment of the utility model provides an in, first anchor clamps 2 include first mount pad 201 and first extrusion mechanism, place a plurality of sub-boxes 12 on first mount pad 201 in first material loading point 1011, and sub-box 12 is for having the jar body 1202 of cavity, and can 1202 has rectangle turn-ups 1203, and the rectangle turn-ups that oppresses a plurality of sub-box 12 through first extrusion mechanism is in same horizontal plane laminating and closely arranges on first mount pad 201 according to the mode of violently indulging the range. Then the material is sent to a first processing point 1012 through the first linear guide rail 101, the laser welding box 6 is moved to a position above the first processing point 1012 to carry out welding operation, and the next batch of sub-boxes 12 are fixed through a next first clamp while welding, so that the feeding and welding of the sub-boxes 12 are carried out synchronously, and the welding efficiency of the sub-boxes is improved. The plurality of sub-cartridges 12 are welded together to form a welded mother cartridge 13 which is transported to the first blanking point 1013.

The second clamp 3 comprises a second mounting base 301, the second mounting base 301 being used for carrying the female cartridge. And a second extrusion mechanism is arranged on the second mounting seat 301 and used for placing the female box 13 into a clip-shaped frame pre-arranged on the second mounting seat 301. Carry to laser welding case below by the second anchor clamps, carry out laser welding by the laser welding case to returning the limit seam of type frame 14 and female box 13, with the aforesaid is with the same reason, the material loading and the welding of returning type frame 14 and female box 13 also go on in step, the efficiency of limit seam welding between type frame 14 and the female box 13 has effectively been improved, has reduced the fashioned process of curing box from this, not only can realize automatic weld, and the laser welding seam is even, need not polish before the spraying. The front and rear double stations are adopted, four stations are totally adopted, the front end is welded in a medium-sized mode, the rear end is welded with the rectangular frame 14, during working, feeding and welding time are overlapped, light-emitting time of a laser is shortened, efficiency is improved, laser welding speed is up to 100mm/s, one-plate product manufacturing can be completed within 90 seconds basically, and manufacturing time is shortened in multiples. In order to realize the synchronization of feeding and welding, the distance between the first fixture and the first feeding point 1011 and the first processing point 1012 is equal to the distance between the first processing point 1012 and the first blanking point 1013. The distance between the two second clamps is equal to the distance between the second feeding point 1021 and the second processing point 1022, which is equal to the distance between the second processing point 1022 and the second discharging point 1023.

Specifically, in the embodiment of the utility model, first extrusion mechanism includes that the X axle benchmark leans on strip 202 and Y axle benchmark to lean on strip 203, the X axle benchmark leans on strip 202 and Y axle benchmark to lean on strip 203 to all install in first mount pad 201 upper end, the X axle benchmark leans on strip 202 and Y axle benchmark to lean on strip 203 mutually perpendicular to distribute, the X axle benchmark leans on strip 202 to keep away from the Y axle benchmark to lean on one end of strip 203 to be equipped with a plurality ofly and Y axle benchmark to lean on a first stopper 206 of strip 203 parallel arrangement, all be equipped with on the first stopper 206 and drive first stopper 206 to lean on the first cylinder 205 that strip 203 removed to the Y axle benchmark, the Y axle benchmark leans on one end that strip 202 was kept away from to the X axle benchmark by strip 203 to be equipped with a plurality ofly and X axle benchmark to lean on a second stopper 208 of strip 202 parallel arrangement, all be equipped with on the second stopper 208 and drive second stopper 208 to lean on the second cylinder 207 that strip 202 removed to the X axle benchmark. Place a plurality of sub-boxes 12 in first mount pad 201 upper end, lean on strip 202 and Y axle benchmark to lean on strip 203 to arrange along the X axle benchmark with this, the sub-box of arranging finally becomes to piece up a rectangular structure, then utilize first cylinder 205 drive first stopper 206 to lean on the X axle benchmark to lean on the strip 202 ascending sub-box to lean on, and utilize second cylinder 207 to drive second stopper 208 to lean on the Y axle benchmark to lean on the strip 203 ascending sub-box 12 of side to lean on, so can realize stabilizing spacing to the mother box 13 of not welding of a plurality of sub-box concatenations, because first cylinder 205, first stopper 206, second cylinder 207 and second stopper 208 all set up a plurality ofly, and the equidistant arrangement, so can accomplish when spacing to carry out spacing to sub-box 12 and can not produce the interference each other, the spacing fixed stability of sub-box 12 has been improved.

In the embodiment of the present invention, the upper end of the first mounting base 201 is provided with an electromagnet suction cup 204. Through setting up electromagnet chuck 204, sub-box 12 places the back on first mount pad 201, keeps low magnetic force earlier by electromagnet chuck 204, puts when all sub-boxes 12 and finishes, and just first stopper 206 and second stopper 208 support to lean on finishing, increases electromagnet chuck 204's suction again, so can further improve sub-box 12 concatenation back spacing fixed stability, improves sub-box welded efficiency and quality.

The embodiment of the utility model provides an in, second extrusion mechanism includes third cylinder 310, be equipped with a plurality of spouts 314 on the second mount pad 301, all be equipped with in the spout 314 and follow gliding third stopper 311 of spout 314, third stopper 311 salient sets up in spout 314, third stopper 311 encloses to close and forms the medium-sized spacing chamber of placing spacing frame, the lower extreme at second mount pad 301 is installed to third cylinder 310, the lower extreme of second mount pad 301 still is equipped with fourth linear guide 312 with spout 314 parallel arrangement, be equipped with on the fourth linear guide 312 and drive and can follow the gliding slide 313 of fourth linear guide 312 by third cylinder 310, third stopper 311 all fixes on slide 313. When the second anchor clamps are used, earlier place time-reversal type frame 14 in middle-sized spacing intracavity, make slide 313 slide along fourth linear guide 312 by third cylinder 310 drive slide 313, the removal of slide 313 drives third stopper 311 and realizes spacing the conflict of time-reversal type frame 14, thereby the realization is fixed time-reversal type frame 14, the stability of time-reversal type frame 14 with female box 13 side seam welding has been guaranteed, and then efficiency and the quality of time-reversal type frame 14 with female box 13 side seam welding have effectively been improved.

The embodiment of the utility model provides an in, the second extrusion mechanism still includes revolving cylinder 302, first gear 303, second gear 304, pivot 307, clamping plate 306 and upset clamp plate 305, revolving cylinder 302 is equipped with four and sets up respectively on the four sides of second mount pad 301, second gear 304 cup joints in pivot 307 periphery, first gear 303 is connected with revolving cylinder 302 transmission, first gear 303 and the cooperation of second gear 304 tooth joint drive pivot 307 are rotatory, clamping plate 306 is installed on pivot 307, upset clamp plate 305 is installed on clamping plate 306. After the clip frame 14 is placed in the middle-sized limiting cavity, the female box 13 is placed in the clip frame 14, the rotary cylinder 302 drives the first gear 303 to rotate, the first gear 303 rotates to drive the second gear 304 to rotate, the second gear 304 rotates to drive the rotating shaft 307 to rotate, the rotating shaft 307 rotates to drive the clamping plate 306 to rotate, the clamping plate 306 drives the overturning pressing plate 305 to realize limiting and fixing of the clip frame 14, the stability of the clip frame 14 during welding is guaranteed, and the welding quality of the clip frame 14 is effectively improved.

The embodiment of the utility model provides an in, axle sleeve 308 is installed to second mount pad 301 upper end, and pivot 307 runs through axle sleeve 308 and sets up, is equipped with spring catch 309 on the axle sleeve 308, and the intermittent type is provided with the slot that can supply spring catch 309 to insert on the pivot 307. Through installing the axle sleeve 308 that cup joints outside the pivot 307 at second mount pad 301 upper end to set up spring catch 309 on axle sleeve 308, when pivot 307 rotated the slot and spring catch 309 corresponding, spring catch 309 inserted the slot under the effect of elasticity in, thereby will realize the spacing fixed to pivot 307, thereby avoid pivot 307 to rotate, improved upset clamp plate 305 to the spacing fixed stability of type frame 14 back.

In the embodiment of the utility model provides an in, one side that screens board 306 was kept away from to upset clamp plate 305 is equipped with the miniature cylinder 315 of a plurality of equidistant settings. Through the micro-cylinder 315 that sets up a plurality of equidistant settings of establishing in the one side that the clamping plate 306 is kept away from to upset clamp plate 305, utilize micro-cylinder 315 can effectively supply back type frame 14's pressure, avoid back type frame 14 unevenness, improved the quality of back type frame 14 and female box 13 side seam welding.

The embodiment of the utility model provides an in, still include dust shaker 9 and water-cooling machine 7, dust shaker 9 and water-cooling machine 7 all are connected with 11 electricity of PC computer cabinet. The dust removing machine 9 is arranged to remove dust on the sub-box 12 and the square-shaped frame 14 which are not welded, welding quality can be effectively improved, in addition, cooling and cleaning are carried out through the water cooling machine 7 after welding is finished, and the welded baking box is enabled to be cleaner.

In the embodiment of the utility model provides an in, install fourth cylinder 317 on the second mount pad 301, fourth cylinder 317 is close to one side of pivot 307 and installs fourth linear guide 319, be equipped with on the fourth linear guide 319 and follow the gliding slider 318 of fourth linear guide 319, slider 318 is driven by fourth cylinder 317, one side that slider 318 is close to pivot 307 is equipped with restriction screens board 306 wobbling limiting plate 316. So can improve the upset clamp plate 305 to the spacing stability of type frame that returns, avoid the upset clamp plate 305 to kick-back.

The utility model also provides a method for forming of baking box adopts the former preparation of above-mentioned baking box to obtain, specifically includes following step:

s1, stamping the rectangular plate to form the sub-box 12, wherein the sub-box 12 comprises a tank body with an accommodating cavity and a flange which is arranged around the stamping opening of the tank body and has a rectangular outer contour;

s2, placing the sub-boxes 12 on the first mounting seat 201, sequentially splicing the X-axis datum leaning strip 202 and the Y-axis datum leaning strip 203, after the sub-boxes 12 are placed on the first mounting seat 201, firstly keeping low magnetic force by the electromagnet sucker 204, after all the sub-boxes 12 are placed, completely abutting the first limiting block 206 and the second limiting block 208, increasing the suction force of the electromagnet sucker 204, after the mother boxes 13 which are not welded are formed by placing, driving the first limiting block 206 to extrude and limit the sub-boxes 12 in the X-axis datum leaning strip 202 direction by the first air cylinder 205, and driving the second limiting block 208 to extrude and limit the sub-boxes 12 in the Y-axis datum leaning strip 203 direction by the second air cylinder 207, so that the flanging edges of two adjacent sub-boxes 12 are attached; the flanged edges of the sub-boxes 12 in the same row and the same column, which are attached to the sub-boxes 12 in the adjacent rows and columns, are in the same plane, so that a linear splicing seam 15 is obtained;

after the abutting is finished, the PC computer cabinet 11 controls the first clamp 2 with the sub-box 12 placed on the first clamp to be sent to the lower part of the laser welding box 6, and after the laser welding box 6 detects the first clamp 2, the PC computer cabinet 11 controls the laser welding box 6 to face the linear splicing seam 15 to realize laser welding back and forth along the third linear guide rail 5;

s3, after the sub-box 12 is welded, the clip frame 14 is placed in a medium-sized limiting cavity, the third cylinder 310 drives the sliding plate 313 to move along the fourth linear guide rail 312, the sliding plate 313 moves to enable the third limiting block 311 to abut against and limit the side edge of the clip frame 14, the clip frame 14 abuts against and then places the welded mother box 13 in the medium-sized limiting cavity, the rotary cylinder 302 drives the first gear 303 to rotate, the first gear 303 and the second gear 304 are in tooth joint and match to enable the rotating shaft 307 to rotate, the rotating shaft 307 rotates to drive the turning press plate 305 to overlap around the clip frame 14, after the turning press plate 305 abuts against the clip frame 14, the spring pin 309 is inserted into the slot on the rotating shaft 307 to achieve the positioning of the turning press plate 305, then the PC computer cabinet 11 controls the second clamp 3 to move along the first linear guide rail 101 and move to the lower part of the welding box 6, and after the welding box 6 detects the second laser clamp 3, the laser welding box 6 is controlled by the PC computer cabinet 11 to realize back-and-forth laser welding along the third linear guide rail 5, and the baking box is taken out after the welding of the gap between the rectangular frame 14 and the female box 13 is finished.

Utilize the utility model provides a baking box forming method is through fixing a plurality of sub-boxes 12 with first anchor clamps 2, then send to the laser welding case below and carry out welding operation, and the material loading and the welding of sub-box 12 go on in step, have improved sub-box 12 welded efficiency, and through the turn-ups edge with the sub-box 12 laminating of sub-box 12 in same line and same row in the coplanar, obtain straight line concatenation seam 15. During welding, the welding is only needed to be carried out on the straight splicing seam 15, and the welding efficiency of the sub-box 12 is improved.

The plurality of sub-boxes 12 are welded together to form a welded mother box 13, then the welded mother box 13 is placed in the square frame 14, the whole square frame 14 and the mother box are placed on the second fixture 3 and conveyed to the lower part of the laser welding box by the second fixture 3, the laser welding box is used for carrying out laser welding on the side seams of the square frame 14 and the mother box 13, (the square frame is a square frame, the edge of the mother box is lapped at the upper edge of the square frame, the lap joint of the edge of the mother box and the upper edge of the square frame is welded), the laser welding box is used for carrying out laser welding on the side seams of the square frame 14 and the mother box 13, the feeding and welding of the square frame 14 and the mother box 13 are carried out synchronously, the efficiency of the side seam welding between the square frame 14 and the mother box 13 is effectively improved, the process of forming the baking box is reduced, the automatic welding can be realized, and the welding seams are uniform, no grinding is required before spraying. The front and rear double stations are adopted, four stations are totally adopted, the front end is welded in a medium-sized mode, the rear end is welded with the rectangular frame 14, during working, feeding and welding time are overlapped, light-emitting time of a laser is shortened, efficiency is improved, laser welding speed is up to 100mm/s, one-plate product manufacturing can be completed within 90 seconds basically, and manufacturing time is shortened in multiples. A plurality of sub boxes are welded into a main box 13, and then the main box is welded with the clip-shaped frame 14 for forming, so that materials can be greatly saved. Because of the automated production, the number of operators can be reduced. In addition, compared with the traditional process, the box holes are punched on the flat plate firstly, and then the punched boxes are punched and riveted into the flat plate with the box holes, the punching is needed for multiple times, the forming efficiency of the baking box is low, the obtained baking box has a large gap at the punched and riveted position after a long time, and some boxes can directly fall off. The baking box welded and formed by the method has high strength, and can not loosen and fall off even being beaten by long-time vibration, so that the service life is prolonged. In addition, the baking box obtained by welding has a flat surface, does not have concave-convex steps, is not easy to stick ash, is easy to clean, can be repeatedly used, and ensures the safety of cake food.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (4)

1. The pressing device for the laser welding of the baking box is characterized by comprising a first mounting seat and a first extrusion mechanism, wherein the first mounting seat is used for bearing a plurality of sub-boxes with tank bodies and rectangular flanges; the first extrusion mechanism is used for pressing a plurality of sub-box rectangular flanges in the horizontal direction to be attached to the same horizontal plane and tightly arranged on the first mounting seat in a transverse and longitudinal arrangement mode.

2. The pressing device for bake box laser welding according to claim 1, the first extrusion mechanism comprises an X-axis reference leaning strip and a Y-axis reference leaning strip, the X-axis reference leaning strip and the Y-axis reference leaning strip are both arranged at two adjacent side edges at the upper end of the first mounting seat, the X-axis reference leaning strip and the Y-axis reference leaning strip are mutually and vertically distributed, one end of the X-axis reference leaning strip, which is far away from the Y-axis reference leaning strip, is provided with a first pushing and abutting block which is arranged in parallel with the Y-axis reference leaning strip, the first pushing block is connected with a first cylinder which drives the first pushing block to move towards the Y-axis reference leaning strip, one end of the Y-axis reference leaning strip, which is far away from the X-axis reference leaning strip, is provided with a second pushing block which is arranged in parallel with the X-axis reference leaning strip, and the second pushing and abutting block is connected with a second air cylinder which drives the second pushing and abutting block to move towards the X-axis reference abutting strip.

3. The pressing device for laser welding of baking boxes as claimed in claim 2, wherein said first pushing block is a plurality of abutting blocks, each of which is connected with a first cylinder.

4. The pressing device for laser welding of baking boxes as claimed in claim 2, wherein said second pushing block is a plurality of abutting blocks, each of which is connected with a second cylinder.

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