CN116493750B - Automatic roll adjustment welding device - Google Patents

Abstract

The invention relates to an automatic distance-adjusting welding device which comprises a fixed platform, a moving mechanism arranged on the fixed platform, a clamp arranged in the moving mechanism, a fixed part and a movable part respectively arranged on the fixed platform and the moving mechanism, wherein the fixed part is provided with a plurality of clamping plates; the moving mechanism comprises a moving frame movably connected with the fixed platform, a driving piece fixedly connected with the moving frame and used for driving the clamp to rotate, and a transmission piece connected with the driving piece, the clamp and the movable part synchronously move, the fixed part is propped against the movable part, one of the fixed part and the movable part is round, the shape of the corresponding movable part or the fixed part is the same as the welding track of a part arranged in the clamp, the movable part and the movable block are jacked up by the fixed part and the fixed block which are relatively fixed, the moving frame integrally moves vertically upwards, the distance between the laser welder and the clamp is changed, the welding track is welded along the surface of the part in a controllable range, and high-precision and high-efficiency welding is realized under a simple structural structure.

Description

Automatic roll adjustment welding device

Technical Field

The invention relates to the technical field of welding, in particular to an automatic distance-adjusting welding device.

Background

A large number of copper pipes (or other metal pipelines) are needed to be used as parts in the charging equipment of the new energy automobile, the copper pipes on the charging equipment cannot be bent through a complete copper pipe, but two copper pipes are needed to be spliced, and one circle of the copper pipes is needed to be welded (full welding, no virtual welding can occur, and welding lines are uniform). The two copper tubes form an angle of 90 degrees, 45 degrees, or other angles.

In order to keep the charging stable, the welding requirement is very strict, and because the effect of laser welding is higher, a laser welding mode is adopted when the copper pipe is welded, in order to improve the welding stability, the laser source for welding needs to be kept stable and fixed, and then the copper pipe needs to be welded by rotating the product. However, the difference in welding quality of the products is caused by the difference in focusing point of the laser to the products due to the difference in distance from the light source of the laser to the products.

Therefore, there is a need to develop an automatic pitch-adjusting welding device to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide an automatic distance-adjusting welding device with high efficiency and high precision.

In order to achieve the above purpose, the present invention provides the following technical solutions: an automatic distance-adjusting welding device comprises a fixed platform, a moving mechanism arranged on the fixed platform, a clamp arranged in the moving mechanism, a fixed part and a movable part respectively arranged on the fixed platform and the moving mechanism; the moving mechanism comprises a moving frame movably connected with the fixed platform, a driving piece fixedly connected with the moving frame and used for driving the clamp to rotate, and a transmission piece connected with the driving piece, wherein the clamp and the movable part synchronously move, the fixed part is propped against the movable part, one of the fixed part and the movable part is circular, and the shape of the movable part or the fixed part corresponding to the fixed part is the same as the welding track of a part arranged in the clamp.

Further, the movable portion is elliptical and the elliptical surface is abutted against the fixed portion.

Further, the transmission piece comprises a driving shaft connected with the driving piece and a driven shaft linked with the driving shaft, the movable part is fixed on the driving shaft, the clamp is fixed on the driven shaft, and the driving shaft and the driven shaft synchronously rotate.

Further, install jack-up mechanism between the movable frame with fixed platform, jack-up mechanism include with the mounting bracket that fixed platform is connected, be fixed in the jack-up motor in the mounting bracket outside, with the loose axle that jack-up motor is connected, the movable part cup joints the loose axle.

Further, the mounting frame is perpendicular to the moving frame, a pair of bearing plates are arranged on the upper surface of the mounting frame, the movable shaft is mounted in the bearing plates, and the movable part is located between the pair of bearing plates.

Further, the fixed part comprises a right angle plate and a fixed wheel arranged at the tail end of the right angle plate, and the fixed wheel horizontally penetrates through the tail end of the right angle plate and is fastened through a nut.

Further, the fixture comprises a base rotating along with the driving piece, a pair of working grooves downwards recessed from the surface of the base, a pair of cover plates butted with the base and covering the working grooves, and a welding space positioned between the pair of cover plates, wherein the pair of working grooves are mutually vertically communicated, and the joint is positioned in the welding space.

Further, the work groove comprises a pair of welding grooves, wherein the welding grooves are positioned in the middle of the base, the concave shape of the welding grooves is an arc-shaped groove, and the welding grooves are matched with the shape of the part.

Further, a fixing plate which is vertically upwards is arranged on one side of the fixing platform, a plurality of sliding blocks are arranged on the inner side of the fixing plate, a sliding rail is arranged on one side of the movable frame, and the sliding rail is clamped by the sliding blocks.

Further, the movable frame comprises a movable plate and a guide rod, wherein the movable plate is arranged in parallel with the fixed platform, the guide rod penetrates through the upper surface and the lower surface of the movable plate, and the guide rod vertically extends downwards to be connected with the fixed platform.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to an automatic distance-adjusting welding device, which is characterized in that a movable part and a movable block are jacked up by a fixed part and a fixed block which are relatively fixed, so that the whole movable frame moves vertically and upwards, the distance between a laser welder and a clamp is changed, the distance from a light source emitted by the laser welder to a part welding point is always equal, meanwhile, the shape of the movable part is the same as that of a welding track, so that the welding track is welded along the surface of the part in a controllable range, and the welding with high precision and high efficiency is realized under a simple structure.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions and advantages of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment 1 of an automatic pitch-adjusting welding device according to the present invention;

FIG. 2 is a schematic view of another perspective view of the automatic pitch-adjusting welding apparatus shown in FIG. 1;

FIG. 3 is a detailed schematic diagram of a partial structure of the automatic pitch-adjusting welding apparatus shown in FIG. 2;

FIG. 4 is a partial fixture block diagram of the automatic roll adjustment welding apparatus of FIG. 1;

FIG. 5 is a schematic view of the internal structure of a fixture with parts for the automatic pitch-adjusting welding apparatus shown in FIG. 4;

FIG. 6 is a schematic view of the internal structure of another angle clamp without parts of the automatic pitch-adjusting welding apparatus shown in FIG. 4.

FIG. 7 is a schematic perspective view of an embodiment 2 of an automatic pitch-adjusting welding device according to the present invention;

FIG. 8 is a schematic view of a part of the automatic pitch-adjusting welding apparatus shown in FIG. 7;

FIG. 9 is a schematic view of another angle configuration of the automatic pitch-controlled welding apparatus shown in FIG. 8;

FIG. 10 is a schematic view of another angle configuration of the automatic pitch-controlled welding apparatus shown in FIG. 7;

FIG. 11 is a perspective view of a clamp of the automatic pitch-adjusting welding apparatus of FIG. 7;

FIG. 12 is a schematic view of a part of a fixture of the automatic pitch-adjusting welding apparatus shown in FIG. 11;

fig. 13 is a schematic view of another partial structure of the clamp of the automatic pitch-adjusting welding apparatus shown in fig. 11.

Detailed Description

In order to further describe the technical means and effects adopted by the present invention to achieve the preset purpose, the following detailed description refers to specific embodiments, structures, features and effects of a high-performance data caching method according to the present invention with reference to the accompanying drawings and preferred embodiments. In the following description, different "one embodiment" or "another embodiment" means that the embodiments are not necessarily the same. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

Referring to fig. 1 to 6, the present invention is an automatic distance-adjusting welding device, which includes a fixed platform 1, a movable frame 2 connected to the fixed platform 1, a driving member 3 mounted on the outer side of the movable frame 2, a distance-adjusting member 4 mounted inside the movable frame 2, and a clamp 5.

Referring to fig. 1 to 2, the fixing platform 1 includes a flat plate 11 and a fixing plate 12 mounted at one end of the flat plate 11, wherein the flat plate 11 is fixedly connected with other processing platforms in a horizontal state, one end of the fixing plate 12 is fixed on the upper surface of the flat plate 11, the other end extends vertically upwards, a pair of fixing sliding blocks 13 are mounted on the inner side of the fixing sliding blocks, and the fixing sliding blocks 13 are arranged in parallel up and down.

Referring to fig. 1 to 2, the moving frame 2 includes a bottom plate 21, a pair of clamping plates 22 mounted on an upper surface of the bottom plate 21, the bottom plate 21 is located above the flat plate 11, the bottom plate 21 extends vertically outwards from above the flat plate 11 and is mounted at a distal end to the driving member 3, a portion of the bottom plate 21 located above the flat plate 11 has a through hole 211 penetrating through an upper surface and a lower surface thereof, the distance adjusting member 4 is mounted in the through hole 211, clamping plates 22 are mounted at both sides of the through hole 211, the pair of clamping plates 22 are oppositely disposed and fixedly connected with the bottom plate 21 at a bottom end thereof, a top end thereof extends vertically upwards, bottoms of the pair of clamping plates 22 have a first bearing hole 221 penetrating through both inner and outer sides thereof, a top of the clamping plates 22 has a second bearing hole 222 penetrating through both inner and outer sides thereof, the first bearing hole 221 and the second bearing hole 222 are vertically aligned and are mounted inside, one side of the clamping plates 22 is mounted with a slide rail 223, the top of the sliding rail 223 extends vertically downwards from the top of the clamping plates 22 to the bottom of the clamping plates 22, the fixed slider 13 is held and connected with the sliding rail 223, and the fixed slider 12 is connected with the clamping plates 22.

Referring to fig. 1 to 2, the driving member 3 is a motor, which has a driving shaft 31, the driving shaft 31 extends horizontally inward to be connected with a transmission member 32, the transmission member 32 includes a driving shaft 321 connected with the driving shaft 31, a driven shaft 322 located above the driving shaft 321, the driving shaft 321 passes through a first bearing hole 221 and is in a horizontal state, two ends of the driving shaft 321 are fixedly connected with a first belt pulley 323, one end of the driving shaft 321 passes through a terminal of the first belt pulley 323 and is fixedly provided with a coupling 33, the driving shaft 321 is connected with the driving shaft 31 through the coupling 33, the driven shaft 322 passes through a second bearing hole 222 and is parallel to the driving shaft 321, a second belt pulley 324 is provided at an outer end of the driven shaft 322, a belt 34 is wound around the second belt pulley 324 and is linked with the first belt pulley 323 through the belt 34, further, the driven shaft 322 includes a first driven shaft 3221 and a second driven shaft 3222, and the first driven shaft 3221 and the second driven shaft 3222 are identical in shape and are respectively fixed at the top of the pair of clamping plates 22.

Referring to fig. 1 to 3, the distance adjusting member 4 includes a movable portion 41 sleeved on the driving shaft 321, and a fixed portion 42 located below the movable portion 41, wherein the movable portion 41 is fixedly sleeved on the driving shaft 321 and located above the through hole 211, the movable portion 41 can change its shape according to a path of a part to be welded in the fixture 5, in this embodiment, the shape of the movable portion 41 is an elliptical cylinder (in this embodiment, two copper pipes with 90 degrees included angle are welded, and a welding track thereof is elliptical), and the shape of the movable portion 41 is the same as a track of a welding path of the part to be welded in the fixture 5. The fixing part 42 comprises a right angle plate 421 fixedly connected with the flat plate 11, and a fixed wheel 422 mounted at the tail end of the right angle plate 421, one end of the right angle plate 421 is fixedly connected with the flat plate 11, the other end of the right angle plate 421 is vertically bent upwards, the fixed wheel 422 horizontally penetrates through the tail end of the right angle plate 421 and is fastened by a nut, and the fixed wheel 422 can rotate along with the movable part 41.

The position sensing piece 43 is further installed on one side of the distance adjusting piece 4, the sensing piece 43 comprises a photoelectric sensor 431 and sensing wheels 432 installed above the photoelectric sensor 431, the photoelectric sensor 431 is fixed on the upper surface of the bottom plate 21, two sides of the photoelectric sensor 431 vertically extend upwards to form a pair of limiting parts 434, the sensing wheels 432 are sleeved and fixed on the driving shaft 321, the sensing wheels 432 are inwards recessed from the edge to form a positioning groove 433, and the photoelectric sensor 431 determines the starting position of the driving shaft 321 when rotating through sensing the distance between the photoelectric sensor 431 and the sensing wheels 432.

Referring to fig. 4 to 6, the fixture 5 includes a base 51 fixedly connected with the driven shaft 322, a work groove 52 located in the base 51, and a cover plate 53 covering the work groove 52; the base 51 includes a main body 511, a connecting plate 512 fixed to the bottom of the main body 511, two ends of the main body 511 are respectively fixedly connected with a first driven shaft 3221 and a second driven shaft 3222, the main body 511 is recessed downward from the upper surface to form a working groove 52, the working groove 52 includes a pair of welding grooves 521 and a pair of fixing grooves 522, the pair of welding grooves 521 are located at the middle position of the main body 511 and are mutually vertically communicated, the welding grooves 521 are formed by the downward recess of the upper surface of the main body 511, the recess is an arc-shaped groove and is matched with the shape of a part, the pair of fixing grooves 522 are respectively located at the tail ends of the pair of welding grooves 521 and are communicated with the welding grooves 521, one end of the fixing groove 522 is communicated with the welding grooves 521, the other end of the fixing groove 522 extends obliquely outwards from the main body 511, the recess is formed by the downward recess of the upper surface of the main body 511 to the upper surface of the connecting plate 512, the second connecting plate 512 is provided with two pairs of fixing holes 513 penetrating through the upper surface and lower surface of the fixing grooves 513, and the fixing holes 513 are rectangular through holes and respectively correspond to the pair of fixing grooves 522.

The fixing groove 522 is also provided with a positioning piece 54, the positioning piece 54 comprises a sliding block 541 and a baffle 542, the sliding block 541 is clamped and installed in the fixing groove 522, the baffle 542 is used for fixing the sliding block 541, two ends of the sliding block 541 respectively support against the inner wall of the fixing groove 522, the height of the sliding block 541 is the same as the depth of the fixing groove 522, the sliding block 541 is recessed downwards from the upper surface to form a fastening groove 543, the fastening groove 543 is the same as the welding groove 521 in shape and is communicated with the welding groove 521, one side of the baffle 542 is fixedly installed on the upper surface of the body 511, and the other side of the baffle 542 horizontally and inwards extends to the upper side of the sliding block 541.

The body 511 has a welding space 55 at a middle position thereof, the welding space 55 is formed by the body 511 being recessed downward from the surface, the welding space 55 extends from one side of the body 511 to the other side of the body 511, and the connection portions of the pair of welding grooves 521 are located in the welding space 55.

Referring to fig. 5 to 6, the cover plate 53 includes a first cover plate 531 and a second cover plate 532, the first cover plate 531 and the second cover plate 532 are respectively located at two sides of the welding space 55, the first cover plate 531 includes a half side covering the base 51, a lower surface of the first cover plate 531 abuts against the base and has a docking groove 534, the docking groove 534 is located above the welding groove 521 and the fastening groove 543, a plurality of fixing members 56 are installed around the first cover plate 531, the fixing members 56 are bolts or screws, the fixing members 56 penetrate through the first cover plate 531 from above the first cover plate 531 to be fixedly connected with the base 51, the first cover plate 531 is provided with a pair of placing holes 535 penetrating through the upper surface and the lower surface of the first cover plate 531, the pair of placing holes 535 are respectively located at two sides of the docking groove 534, a clamping plate 536 is installed in the placing holes 535, and the clamping plate 536 penetrates through the first cover plate 531 and the fixing groove 522 from above the first cover plate 531 into the fixing hole 513.

The second cover plate 532 has the same structure as the first cover plate 531 and is symmetrically disposed with respect to the first cover plate 531.

Example 2

Referring to fig. 7 to 13, the present invention is an automatic pitch-adjusting welding apparatus, which includes a fixed platform 10, a moving frame 20 mounted above the fixed platform 10, a pitch-adjusting member 30 between the fixed platform 10 and the moving frame 20, a driving member 40 mounted outside the moving frame 20, and a clamp 50 mounted inside the moving frame 20.

Referring to fig. 7, the fixing platform 10 is a rectangular flat plate and is fixed in parallel on a processing plane.

Referring to fig. 7 to 9, the moving frame 20 includes a moving plate 201, a pair of clamping plates 202 located at two sides of the moving plate 201, the moving plate 201 and the fixed platform 10 are in a relatively parallel state, the bottom ends of the pair of clamping plates 202 are fixed on the upper surface of the moving plate 201, the top ends thereof extend vertically upwards, the top of the clamping plates 202 has a bearing hole 2021, the pair of bearing holes 2021 are oppositely arranged and internally installed in bearings, the four corners of the moving plate 201 are provided with guide rods 203, the bottom of the guide rods 203 is fixedly connected with the fixed platform 10, the top ends thereof are provided with bearing sleeves and connected with the moving plate, further, the middle position of the moving plate 201 is provided with a placement hole 2011 penetrating through the upper surface and the lower surface thereof, and a distance adjusting member 30 is placed in the placement hole 2011.

Referring to fig. 7 to 9, the distance adjusting member 30 includes a jack-up mechanism 301 located on an upper surface of the fixed platform 10, a fixing portion 302 mounted on a lower surface of the movable plate 201, the jack-up mechanism 301 includes a mounting frame 3011 located between the fixed platform 10 and the movable plate 201, a jack-up motor 3012 fixed on an outer side of the mounting frame 3011, a movable shaft 3013 connected to the jack-up motor 3012, a movable block 3014 sleeved on the movable shaft 3013, the mounting frame 3011 is perpendicular to the movable plate 301, a pair of bearing plates 3014 are provided on an upper surface of the mounting frame 3011, bearings are mounted in the bearing plates 3014, the movable shaft 3013 is mounted in the bearing plates 3014, one end of the movable block 3014 penetrates through the mounting frame 3011 to the jack-up motor 3012, the movable block 3014 is in an oval cylinder shape, and a perimeter of the movable block 3014 can be changed according to a path of a part to be welded in the fixture 50, the movable block is identical to a path of the part to the movable block to be welded in the fixture 50, the fixing portion 302 includes a fixed right angle plate 3021 fixedly connected to the movable plate 201, a right angle plate 3022 mounted at an end of the right angle plate 3021, a bearing is mounted at an end of the right angle plate 3021, one end of the fixed right angle plate 3021 is mounted at the end of the right angle plate 3021, and a fastening nut is extended horizontally and penetrates through the end of the fixed end 2011.

The position sensing piece 303 is also installed to one side of the distance adjusting piece 30, the sensing piece 303 comprises a photoelectric sensor 3031 and a sensing wheel 3032 installed above the photoelectric sensor 3031, the photoelectric sensor 3031 is fixed on the upper surface of the mounting frame 3011, two sides of the photoelectric sensor vertically extend upwards to form a pair of limiting parts 3034, the sensing wheel 3032 is sleeved and fixed on the movable shaft 3013, the sensing wheel 3032 is inwards sunken to form a positioning groove 3033 from the edge, and the photoelectric sensor 3031 determines the starting position of the movable shaft 3013 during rotation by sensing the distance between the photoelectric sensor 3031 and the sensing wheel 3032.

Referring to fig. 10, the driving member 40 includes a rotary motor 401 fixed to one side of the moving plate 201, a pair of driven shafts 402 driven by the rotary motor 401, the driven shafts 402 are respectively mounted in bearing holes 2011 at the top of the clamping plate 202 and extend relatively to be fixedly connected with the clamp 50, and then a belt pulley 403 is mounted at the end of the driven shaft 402 and the inner side of the rotary motor 401, and the pair of belt pulleys 403 are linked by a belt.

Referring to fig. 11 to 13, the clamp 50 includes a base 501 fixedly connected to a driven shaft 402, a cover plate 502 abutting against the base 501, the base 501 includes a pair of fixing plates 5011, a bottom plate 5012 connecting the pair of fixing plates 5011, the pair of fixing plates 5011 are identical in structure and symmetrically disposed and fixedly connected to the pair of driven shafts 402, one side of the pair of fixing plates 5011 is fixedly connected to the driven shaft 402, the other side thereof extends oppositely and the bottom plate 5012 is fixedly mounted at the end, and the fixing plates 5011 have fixing through holes 5013 penetrating the upper and lower surfaces thereof. The two ends of the bottom plate 5012 are fixedly connected with the fixed plate 5011 respectively, wherein the welding grooves 5014 are formed in the middle, the welding grooves 5014 comprise first welding grooves 50141 formed by downwards sinking from the surface of the bottom plate 5012, second welding grooves 50142 which vertically extend downwards from the bottom of the first welding grooves 50141 and penetrate through the bottom of the bottom plate 5012, the first welding grooves 50141 vertically extend to the bottom of the bottom plate 5012 from the top of the bottom plate 5012, the diameter of the top of the second welding grooves 50141 is larger than that of the bottom of the first welding grooves 50141, the two ends of the first welding grooves 50141 are downwards sunk from the surface to form third welding grooves 50143, the diameter of the third welding grooves 50143 is smaller than that of the first welding grooves 50141 and is communicated with the first welding grooves 50141, the length of the second welding grooves 50142 is equal to that of the first welding grooves 50141, and the two ends of the second welding grooves 50141 are respectively abutted against the third welding grooves 50143.

The surface of the bottom plate 5012 is provided with a pair of working grooves 503 which are recessed downwards to form mounting parts, the working grooves 503 are respectively positioned at two sides of the welding groove 5014 and are mutually vertical, one end of each working groove 503 is communicated with the welding groove 5014, the other end of each working groove extends obliquely, the working groove 503 is internally provided with a containing hole 5031, the containing hole 5031 vertically penetrates through the bottom plate 5012 downwards from the bottom of the working groove 503, the containing hole 5031 is internally provided with a positioning piece 504, the positioning piece 504 comprises a positioning cylinder 5041 and a positioning slide block 5042 connected with the positioning cylinder 5041, the positioning cylinder 5041 is obliquely arranged at the back surface of the bottom plate 5012, the oblique angle is the same as that of the working groove 503, the positioning slide block 5042 is positioned in the containing hole 5031, the length of the positioning slide block 5042 is smaller than the length of the containing hole 5031, the two ends of the positioning slide block 5041 abut against the inner wall of the containing hole 5031, and the positioning cylinder 5041 pushes the positioning slide block 5042 to move in the containing hole 5031 along the direction of the working groove 503.

The structure of the cover plate 502 is the same as that of the bottom plate 5012, wherein a welding groove 5014 is arranged at the middle position, the welding groove 5014 is identical to and symmetrically arranged with the welding groove 5014 arranged on the bottom plate 5012, a butt joint groove 5021 formed by a concave part is arranged on the butt joint surface of the cover plate 502 and the bottom plate 5012, the butt joint groove 5021 is identical to and corresponding to the working groove 503 in shape, fasteners 505 are arranged on two sides of the welding groove 5014 of the cover plate 502, the fasteners 505 comprise fixing blocks 5051 fixedly connected with the cover plate 502 and compression blocks 5052 arranged below the fixing blocks 5051, the fixing blocks 5051 are fixed on the upper surface of the cover plate 502, the compression blocks 5052 vertically penetrate through the cover plate 502 and are abutted against the connection between the working groove 503 and the butt joint groove 5021, a spring 5053 is contained at the top of the compression blocks 5053, one end of the spring 5053 abuts against the compression blocks 5052, and the other end of the spring abuts against the fixing blocks 5051.

Referring to fig. 13, cover closing members 506 are further mounted on two sides of the cover plate 502, the cover closing members 506 include an air cylinder 5061 and a connecting plate 5062 connected with the air cylinder 5061, the air cylinder 5061 is mounted in the fixing through hole 5013, the top end of the air cylinder 5061 is connected with the connecting plate 5062, and the other side of the connecting plate 5062 extends inwards to be fixedly connected with the cover plate 502.

When the automatic distance-adjusting welding device is used, the embodiment 1: a welding space 55 is arranged in the middle of the jig, a laser welder 6 for welding is arranged above the welding space 55, the laser welder 6 is fixed through other mechanisms, and the position and the light source are fixed; the first cover plate 531 and the second cover plate 532 are opened, the parts to be welded are respectively placed in the welding groove 521 and the fastening groove 543, the sliding block 541 is pushed to move in the fixing groove 522 by external force (pushing equipment such as an air cylinder or an air rod) and the parts on the sliding block 541 relatively move, so that two ends of the parts are positioned in the welding space 55, the distance between the parts positioned in the welding space 55 can be changed according to the requirement, the parts are respectively fixed by the first cover plate 531 and the second cover plate 532 through the fixing piece 56, the sliding block 541 is fixed by the clamping plate 536, the parts are fixedly installed, the laser welder 6 starts to weld, the driving piece 3 drives the driving shaft 321 and the driven shaft 322 to synchronously rotate, the movable part 41 rotates along with the driving piece 3, the movable part 41 is propped against the fixed part 42 when the movable part 41 rotates to a corresponding angle, the fixed part 42 props up the movable frame 2 to move upwards, the clamp 5 and the distance between the parts mounted in the clamp 5 and the laser welder 6 (the same as the parts are guaranteed to be welded by the laser welder 6) is ensured, the upper half part of the parts is welded by the laser welder 6 along with the continuous rotation of the clamp 5, and then the first cover plate 531 and the second cover plate 322 are overturned, and the parts are welded by the first cover plate, and the parts are welded.

Example 2: the cylinder 5061 pushes the cover plate 502 to be separated from the bottom plate 5012 through the connecting plate 5062, a pair of parts to be welded are respectively placed in the pair of working grooves 503, the positioning sliding block 5042 is pushed by the positioning cylinder 5041 to drive the parts to move, gaps between the pair of parts reach welding standards, the cylinder 5061 pushes the cover plate 502 to be in butt joint with the bottom plate 5012 through the connecting plate 5062 to be closed so as to fix the parts, the pressing block 5052 is pressed by the elasticity of the spring 5053 to further fix the parts, the rotating motor 401 drives the clamp 50 to rotate to a certain angle through the driven shaft 402, laser emitted by the laser welder 60 above the welding groove 5014 enters from the third welding groove 50143, the second welding groove 50142 and the first welding groove 50141 are used for welding the parts, after the parts are welded to form half surfaces, the rotating motor 41 drives the clamp 5 to turn over the other surfaces of the parts until the laser is welded, meanwhile, the jacking motor 3012 rotates synchronously with the rotating motor 401, the jacking motor 3012 rotates through the movable block 3014 in the welding process of the parts, and the distance between the jacking motor 30120 and the laser welder 50 is changed.

The invention relates to an automatic distance-adjusting welding device, which is characterized in that a movable part and a movable block are jacked up by a fixed part and a fixed block which are relatively fixed, so that the whole movable frame moves vertically and upwards, the distance between a laser welder and a clamp is changed, the distance from a light source emitted by the laser welder to a part welding point is always equal, meanwhile, the shape of the movable part is the same as that of a welding track, so that the welding track is welded along the surface of the part in a controllable range, and the welding with high precision and high efficiency is realized under a simple structure.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

Claims (10)

1. An automatic roll adjustment welding set, its characterized in that: the device comprises a fixed platform, a moving mechanism arranged on the fixed platform, a clamp arranged in the moving mechanism, and a fixed part and a movable part respectively arranged on the fixed platform and the moving mechanism; the moving mechanism comprises a moving frame movably connected with the fixed platform, a driving part fixedly connected with the moving frame and used for driving the clamp to rotate, and a transmission part connected with the driving part, wherein the clamp and the moving part synchronously move, the fixed part is propped against the moving part, one of the fixed part and the moving part is round, the shape of the corresponding moving part or the fixed part is the same as the welding track of a part arranged in the clamp, the transmission part comprises a driving shaft connected with the driving part and penetrating through the moving part and the moving frame, a driven shaft positioned above the driving shaft and connected with the clamp, the driving shaft and the tail end of the driven shaft are provided with belt linkage, and the clamp comprises a base connected with the driving part, a pair of working grooves downwards recessed from the surface of the base, a pair of cover plates butted with the base and covering the working grooves, a welding space positioned between the pair of cover plates, and the pair of working grooves are mutually communicated and the connecting position is positioned in the space.

2. The automatic roll adjustment welding apparatus of claim 1, wherein: the movable part is elliptical and the elliptical surface is propped against the fixed part.

3. The automatic roll adjustment welding apparatus of claim 1, wherein: the transmission piece comprises a driving shaft connected with the driving piece and a driven shaft linked with the driving shaft, the movable part is fixed on the driving shaft, the clamp is fixed on the driven shaft, and the driving shaft and the driven shaft synchronously rotate.

4. The automatic roll adjustment welding apparatus of claim 1, wherein: the lifting mechanism is arranged between the movable frame and the fixed platform and comprises a mounting frame connected with the fixed platform, a lifting motor fixed on the outer side of the mounting frame and a movable shaft connected with the lifting motor, and the movable portion is sleeved with the movable shaft.

5. The automatic pitch-adjusting welding apparatus as defined in claim 4, wherein: the mounting frame is perpendicular to the movable frame, a pair of bearing plates are arranged on the upper surface of the mounting frame, the movable shaft is arranged in the bearing plates, and the movable part is positioned between the pair of bearing plates.

6. The automatic roll adjustment welding apparatus of claim 1, wherein: the fixed part comprises a right angle plate and a fixed wheel arranged at the tail end of the right angle plate, and the fixed wheel horizontally penetrates through the tail end of the right angle plate and is fastened through a nut.

7. The automatic roll adjustment welding apparatus of claim 1, wherein: the fixture comprises a base rotating along with the driving piece, a pair of working grooves downwards sunk from the surface of the base, a pair of cover plates butted with the base and covering the working grooves, and a welding space positioned between the pair of cover plates, wherein the pair of working grooves are mutually vertically communicated, and the joint is positioned in the welding space.

8. The automatic pitch-adjusting welding apparatus of claim 7, wherein: the working groove comprises a pair of welding grooves, the welding grooves are positioned in the middle of the base, the concave shape of the welding grooves is an arc-shaped groove, and the welding grooves are matched with the shape of the part.

9. The automatic roll adjustment welding apparatus of claim 1, wherein: the fixed platform is characterized in that a fixing plate which is vertically upwards is arranged on one side of the fixed platform, a plurality of sliding blocks are arranged on the inner side of the fixing plate, a sliding rail is arranged on one side of the movable frame, and the sliding rail is clamped by the sliding blocks.

10. The automatic roll adjustment welding apparatus of claim 1, wherein: the movable frame comprises a movable plate and a guide rod, wherein the movable plate is arranged in parallel with the fixed platform, the guide rod penetrates through the upper surface and the lower surface of the movable plate, and the guide rod vertically extends downwards to be connected with the fixed platform.