CN217799683U

CN217799683U - Laser welding machine

Info

Publication number: CN217799683U
Application number: CN202221083244.7U
Authority: CN
Inventors: 魏刚; 魏辉
Original assignee: Wuhan Chuangheng Laser Intelligent Equipment Co ltd
Current assignee: Wuhan Chuangheng Laser Intelligent Equipment Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-11-15
Anticipated expiration: 2032-05-07

Abstract

The application relates to a laser welding machine, and relates to the technical field of laser welding. This last chuck subassembly of laser-beam welding machine includes that two alternatives can dismantle the chuck on first last chuck and the second of locating on the last fixing base, the side of first last chuck is equipped with and is used for welding the first elastic locating piece that the material matches with the pipe, the chuck includes from supreme first locating head that sets up and can dismantle the first elastic component of being connected with last fixing base down on the second, lower chuck subassembly includes chuck and second under first chuck and the second of two alternatives detachably locating on the fixing base down, the surface of first chuck is equipped with at least one and is used for welding the second elastic locating piece that the material matches with the pipe, in order to restrict the pipe and weld material along its circumferential direction, first chuck can be flexible along its direction of height, the chuck includes a fixed disk under the second, be equipped with a recess that is used for acceping and restricts the panel beating welding material and removes on the fixed disk. The application provides a laser-beam welding machine can adapt to the welding of multiple different welding material, and the commonality is strong.

Description

Laser welding machine

Technical Field

The application relates to the field of laser welding, in particular to a laser welding machine.

Background

Laser welding is one of the important aspects of laser material processing technology application at present, and is mainly used for welding thin-wall materials and low-speed welding, the welding process is of a heat conduction type, namely laser radiation and the surface of a hot workpiece are internally diffused through heat conduction, and the workpiece is melted to form a specific molten pool by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulses.

Because in daily according to the structural difference or the demand difference of welding the material, the position that needs the welding or the welded mode is all inequality, among the correlation technique, in order to satisfy various different requirements, can generally make various different laser welding frocks to deal with the welding of various requirements, still very inconvenient when with high costs, the commonality is relatively poor, greatly reduced welded efficiency and use experience and feel.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a laser welding machine to solve the problem that the laser welding frock among the correlation technique can not satisfy the welding demand of different kinds of welding materials and lead to the commonality poor and welding with high costs, inefficiency.

In a first aspect, a laser welding machine is provided, which includes:

the main frame body comprises an upper fixing seat and a lower fixing seat;

the upper chuck assembly comprises a first upper chuck and a second upper chuck which are detachably arranged on the upper fixing seat, a first elastic positioning block which is used for being matched with a round tube welding material is arranged on the side face of the first upper chuck so as to limit the round tube welding material to rotate along the circumferential direction of the round tube welding material, and the second upper chuck comprises a first positioning head and a first elastic piece, wherein the first positioning head is arranged from bottom to top, and the first elastic piece is detachably connected with the upper fixing seat;

lower chuck subassembly, it includes that two alternatives detachably locate first chuck and second chuck under on the fixing base down, the surface of first chuck is equipped with at least one and is used for welding the second elastically positioned piece that the material matches with the pipe to the restriction pipe welds the material along its circumferential direction, first chuck can be followed its direction of height and stretched out and drawn back, the chuck includes a fixed disk under the second, be equipped with a recess that is used for acceping and restricts the panel beating and welds the material and remove on the fixed disk.

In some embodiments, the first upper cartridge comprises:

the first positioning section is in a round table shape, the size of the first positioning section gradually decreases from top to bottom, and one end of the first positioning section is detachably connected with the upper fixing seat;

the second positioning section is connected with one end, far away from the upper fixing seat, of the first positioning section, the second positioning section is cylindrical, the side face of the second positioning section is provided with the first elastic positioning block, and the second positioning section is used for extending into the circular tube welding material so that the first elastic positioning block can be clamped with the positioning hole in the circular tube welding material.

In some embodiments, the first lower collet comprises:

one end of the third positioning section is provided with a second elastic piece, one end of the second elastic piece, which is far away from the third positioning section, is connected with the lower fixing seat, and the third positioning section is cylindrical and is provided with at least one second elastic positioning block on the side surface;

the fourth location section, its with the third location section is kept away from the one end of second elastic component links to each other, the fourth location section is the toper, and the size diminishes from supreme down gradually.

In some embodiments, the first positioning head is in a truncated cone shape and gradually decreases in size from top to bottom.

In some embodiments, the lower chuck assembly further includes a third lower chuck, the third lower chuck includes a fixing table and a supporting member disposed at the bottom of the fixing table, the fixing table is L-shaped, and the supporting member is detachably connected to the lower fixing base.

In some embodiments, the welding fixture further comprises a special-shaped positioning block, wherein a first accommodating positioning groove and a second accommodating positioning groove which are perpendicular to each other and are arranged in an intersecting manner are formed in the special-shaped positioning block, and the first accommodating positioning groove and the second accommodating positioning groove are communicated with each other and are used for accommodating corresponding circular tube welding materials respectively so as to perform spot welding on the joint of the circular tube welding materials.

In some embodiments, a positioning cylinder is arranged on the main frame body, the positioning cylinder is located between the upper fixing seat and the lower fixing seat and is connected with a positioning seat, and the positioning cylinder is used for driving the positioning seat to abut against a corresponding welding material.

In some embodiments, the lower fixing base includes the rolling disc and locates the monitoring piece of rolling disc one side, the rolling disc is used for rotating along its axle center under the drive of motor, and its top extends along its border profile outside towards and forms the chimb, be equipped with the monitoring hole on the chimb, the monitoring piece includes a detection groove that is C shape, the top of detecting the groove is equipped with a sensor, the sensor is used for through the monitoring detect the groove in order to monitor the rotation cycle of rolling disc.

In some embodiments, the main frame body is provided with a slide rail, and the upper fixing seat is slidably disposed on the slide rail to slide up and down along a vertical direction.

In some embodiments, the first upper clamping head and the second upper clamping head are clamped or screwed with the upper fixing seat, and the first lower clamping head, the second lower clamping head and the third lower clamping head are clamped or screwed with the lower fixing seat.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a laser-beam welding machine, it is respectively including the first chuck of going up that can dismantle the setting, the chuck on the second, chuck and second down, the cooperation through chuck and first chuck can utilize first elastically positioned piece and second elastically positioned piece to carry out circumference's location to the pipe welding material on the first, can also carry out the location of vertical degree simultaneously, guarantee the pipe and weld the stability of material in welding process, can utilize the recess of locating on the fixed disk to accept spacingly to the panel beating welding material through the cooperation of chuck and second chuck on the second, guarantee the welded going on smoothly of panel beating, in addition, no matter be when welding pipe welding material or panel beating welding material, all can protect welding material through first elastic component and the first chuck of telescopic respectively, prevent to damage welding material at the fixed in-process that welds the material.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a laser welding machine provided by an embodiment of the present application for mounting a first upper chuck and a first lower chuck;

fig. 2 is a schematic structural diagram of a laser welding machine provided by an embodiment of the present application for mounting a second upper chuck and a second lower chuck;

fig. 3 is a schematic structural diagram of a laser welding machine provided by an embodiment of the present application for mounting a second upper chuck and a third lower chuck;

FIG. 4 is a schematic structural diagram of a lower fixing seat of a laser welding machine provided in an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a second lower chuck of a laser welding machine according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a special-shaped positioning block of the laser welding machine provided by the embodiment of the application.

In the figure: 1-a main frame body, 10-an upper fixing seat, 11-a lower fixing seat, 110-a rotating disc, 111-a monitoring part, 112-a monitoring hole, 113-a detection groove, 12-a sliding rail, 20-a first upper chuck, 200-a first elastic positioning block, 201-a first positioning section, 202-a second positioning section, 21-a second upper chuck, 210-a first positioning head, 211-a first elastic part, 22-a first lower chuck, 220-a third positioning section, 221-a second elastic part, 222-a fourth positioning section, 223-a second elastic positioning block, 23-a second lower chuck, 230-a fixed disc, 231-a groove, 24-a third lower chuck, 240-a fixed table, 241-a supporting part, 3-a special-shaped positioning block, 30-a first accommodating positioning groove, 31-a second accommodating positioning groove, 4-a positioning cylinder and 40-a positioning seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a laser welding machine, which can solve the problems that a laser welding tool in the related technology cannot meet the welding requirements of different types of welding materials, so that the universality is poor, the welding cost is high, and the efficiency is low.

Referring to fig. 1 and 2, the laser welding machine mainly includes a main frame 1, an upper chuck assembly and a lower chuck assembly, wherein the main frame 1 includes an upper fixing seat 10 and a lower fixing seat 11, the upper chuck assembly includes a first upper chuck 20 and a second upper chuck 21 which are detachably disposed on the upper fixing seat 10, a first elastic positioning block 200 for matching with a round tube welding material is disposed on a side surface of the first upper chuck 20 to limit the round tube welding material from rotating in a circumferential direction thereof, the second upper chuck 21 includes a first positioning head 210 disposed from bottom to top and a first elastic member 211 detachably connected to the upper fixing seat 10, the lower chuck assembly includes a first lower chuck 22 and a second lower chuck 23 detachably disposed on the lower fixing seat 11, an outer surface of the first lower chuck 22 is provided with at least one second elastic positioning block 223 for matching with the round tube welding material to limit the round tube welding material from rotating in the circumferential direction thereof, the first chuck 22 can extend and retract in a height direction thereof, as shown in fig. 5, the second lower chuck 23 includes a lower fixing disk 230, and a sheet metal plate groove 231 for accommodating the welding material and limiting the welding material from moving is disposed on the lower fixing disk 230.

Specifically, the type of common welding process includes pipe welding and sheet metal component welding, to these two kinds of common welding processes, has set up different chucks correspondingly. The first upper chuck 20 and the first lower chuck 22 are used together, when the circular pipes are welded, two circular pipes with different diameters are provided, one circular pipe with a smaller diameter is fixed on the first upper chuck 20, the first elastic positioning block 200 is a bump structure which can be bounced or compressed and is matched and clamped with a hole on the side wall of the circular pipe, so that the circular pipe welding material is limited to rotate along the circumferential direction of the circular pipe welding material, and the circular pipe welding material can be fixed; another circular tube with a larger diameter is fixed on the first lower chuck 22, and the second elastic positioning block 223 is a bump structure which can be bounced or compressed, and is matched and clamped with a hole on the side wall of the circular tube, so that the circular tube welding material is fixed while being limited to rotate along the circumferential direction of the circular tube welding material. Two adjacent ends of the two round pipes close to each other are sleeved, the two ends far away from each other are respectively abutted and fixed, and the first lower chuck 22 belongs to the elastic piece, so that deformation of the round pipe welding materials after excessive pressing can be well avoided in the fixing process, and finally, a connecting seam at the connecting position of the two round pipe welding materials is welded.

Further, the first upper clamping head 20 specifically includes a first positioning section 201 and a second positioning section 202, the first positioning section 201 is in a circular truncated cone shape, and the size gradually decreases from top to bottom, one end of the first positioning section 201 is detachably connected with the upper fixing seat 10, the second positioning section 202 is connected with one end of the first positioning section 201 away from the upper fixing seat 10, the second positioning section 202 is cylindrical and is provided with a first elastic positioning block 200 on the side surface, and the second positioning section 202 is used for extending into the circular tube welding material, so that the first elastic positioning block 200 is clamped with the positioning hole on the circular tube welding material. Specifically, the size of the second positioning section 202 generally matches with the inner diameter of the corresponding circular tube welding material, and the transition between the first positioning section 201 and the second positioning section 202 can just abut against the top of the fixed circular tube welding material. Wherein, because the size of the material is welded to the welded pipe can be very many, so the second locating section 202 can be dismantled and locate the one end of first locating section 201 here, and still has the second locating section 202 of multiple other sizes, and the size of the material is welded to the pipe that welds according to actual need changes can.

Further, the first lower chuck 22 specifically includes a third positioning section 220 and a fourth positioning section 222, a second elastic member 221 is disposed at one end of the third positioning section 220, one end of the second elastic member 221, which is far away from the third positioning section 220, is connected to the lower fixing base 11, the third positioning section 220 is cylindrical, and at least one second elastic positioning block 223 is disposed on a side surface of the third positioning section 220, the fourth positioning section 222 is connected to one end of the third positioning section 220, which is far away from the second elastic member 221, the fourth positioning section 222 is conical, and the size of the fourth positioning section 222 gradually decreases from bottom to top. Specifically, the second elastic member 221 is configured to protect the circular tube welding material from being deformed after being excessively pressed, and the third positioning section 220 is configured to fix the circular tube welding material with a slightly larger diameter, where it should be noted that, since the diameter of the circular tube welding material located below is slightly larger, the number of the second elastic positioning blocks 223 is preferably two in order to ensure the stability of the fixation; the fourth positioning section 222 is mainly used for fixing the bottom of the circular tube welding material with a smaller diameter, so that the stability of the central axis is ensured, and the two circular tubes can be sleeved and overlapped at the fourth positioning section 222.

Furthermore, the first positioning head 210 is in a truncated cone shape, the size of the first positioning head gradually decreases from top to bottom, the end with the larger size is connected with the first elastic part 211, and the end with the smaller size is used for abutting against and fixing the welding material or extending into the circular tube welding material, so that the limiting is realized.

Further, referring to fig. 3, a conventional welding process further includes intersecting line welding, so that the lower chuck assembly further includes a third lower chuck 24, the third lower chuck 24 includes a fixing base 240 and a supporting member 241 disposed at the bottom of the fixing base 240, the fixing base 240 is L-shaped, and the supporting member 241 is detachably connected to the lower fixing base 11. Specifically, the third lower chuck 24 is used for welding the intersecting line together with the second upper chuck 21, and from the perspective of structural design, the support 241 is a cylindrical structure, the fixing table 240 is L-shaped, the bottom of the horizontal plane is connected with the support 241, the top of the horizontal plane is used for supporting the welding material, and the vertical plane is used for abutting against the welding material.

Further, as shown in fig. 6, when the intersecting line is welded, since four circular tube welding materials are spliced and then welded, when the third lower chuck 24 and the second upper chuck 21 are used for welding the intersecting line, the four circular tube welding materials need to be preliminarily fixed by spot welding, the laser welding machine further includes a special-shaped positioning block 3, the special-shaped positioning block 3 is provided with a first accommodating positioning groove 30 and a second accommodating positioning groove 31 which are perpendicular to each other and are arranged in an intersecting manner, the first accommodating positioning groove 30 and the second accommodating positioning groove 31 are communicated with each other and are used for respectively accommodating the corresponding four circular tube welding materials, the four circular tube welding materials are placed in the first accommodating positioning groove 30 and the second accommodating positioning groove 31, the joint is fixed by spot welding, and then the third lower chuck 24 and the second upper chuck 21 are used for fixing the intersecting line.

Further, when carrying out the welding of sheet metal component, need be fixed whole welding material along fore-and-aft direction in the welding process, consequently, be equipped with location cylinder 4 on the body frame body 1, location cylinder 4 is located between fixing base 10 and the lower fixing base 11, and is connected with positioning seat 40, location cylinder 4 is used for driving positioning seat 40 and removes along the direction that is close to or keeps away from corresponding welding material, support with the welding material that corresponds when needs fixed welding material, realize along fore-and-aft direction's rigidity. In addition, since it is necessary to weld the sheet metal parts to the ends of the circular tubes, the number of the second lower chucks 23 is plural, and the second lower chucks may be connected to the upper fixing base 10.

Further, as shown in fig. 4, circumferential welding is required in the welding process, and the number of rotation turns needs to be controlled in the welding process, so that the lower fixing seat 11 specifically includes a rotating disc 110 and a monitoring piece 111 disposed on one side of the rotating disc 110, and the rotating disc 110 is driven by a motor to rotate along the axis thereof, so as to drive the welding material to rotate along the axis thereof to realize complete circumferential welding; in order to better monitor the number of rotating turns, the top of the rotating disc 110 extends outwards along the outline of the edge of the rotating disc to form a convex edge, the convex edge is provided with a monitoring hole 112, the monitoring piece 111 comprises a C-shaped detection groove 113, the top surface of the inside of the detection groove 113 is provided with a sensor, the sensor can send laser beams to enable the bottom surface of the inside of the detection groove 113 to receive the laser beams, the position of the monitoring hole 112 corresponds to the position of the sensor, in the rotating process, only when the monitoring hole 112 rotates to the position of the sensor, the bottom surface of the detection groove 113 can receive the laser beams sent by the sensor, and therefore the laser beams are used for monitoring the rotating period of the rotating disc 110 through the monitoring detection groove 113.

Further, the main frame body 1 is provided with a slide rail 12, and the upper fixing seat 10 is slidably disposed on the slide rail 12 to slide up and down along the vertical direction. Specifically, a fixing seat driving cylinder is arranged below the sliding rail 12, is connected with the upper fixing seat 10, and pushes the upper fixing seat 10 to slide along the sliding rail 12 in the vertical direction, so as to support and fix the welding material.

Further, in order to facilitate replacement of parts during welding of different types of welding materials, the first upper chuck 20, the second upper chuck 21 and the upper fixing seat 10 are connected in a clamped mode or screwed, the first lower chuck 22, the second lower chuck 23, the third lower chuck 24 and the lower fixing seat 11 are connected in a clamped mode or screwed, installation or disassembly is quite convenient, efficiency is guaranteed, and using experience is greatly improved.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A laser welder, characterized in that it comprises:

the main frame body (1) comprises an upper fixing seat (10) and a lower fixing seat (11);

the upper chuck assembly comprises a first upper chuck (20) and a second upper chuck (21), wherein the first upper chuck (20) and the second upper chuck (21) are selected to be detachably arranged on the upper fixing seat (10), a first elastic positioning block (200) used for being matched with a circular tube welding material is arranged on the side surface of the first upper chuck (20) so as to limit the circular tube welding material to rotate along the circumferential direction of the circular tube welding material, and the second upper chuck (21) comprises a first positioning head (210) arranged from bottom to top and a first elastic piece (211) detachably connected with the upper fixing seat (10);

lower chuck subassembly, it includes that two alternatives detachably locate first chuck (22) and second chuck (23) on lower fixing base (11), the surface of first chuck (22) is equipped with at least one and is used for welding second elastically positioned piece (223) that the material matches with the pipe to the restriction pipe welds the material along its circumferential direction, first chuck (22) can be followed its direction of height and stretched out and draw back, chuck (23) include a fixed disk (230) under the second, be equipped with one on fixed disk (230) and be used for acceping and restrict recess (231) that the panel beating welded the material and remove.

2. A laser welding machine as claimed in claim 1, characterized in that said first upper jaw (20) comprises:

the first positioning section (201) is in a round table shape, the size of the first positioning section is gradually reduced from top to bottom, and one end of the first positioning section (201) is detachably connected with the upper fixing seat (10);

the second positioning section (202) is connected with one end, far away from the upper fixing seat (10), of the first positioning section (201), the second positioning section (202) is cylindrical, the first elastic positioning block (200) is arranged on the side face of the second positioning section, and the second positioning section (202) is used for extending into the circular tube welding material so that the first elastic positioning block (200) can be clamped with the positioning hole in the circular tube welding material.

3. A laser-welding machine as claimed in claim 1, characterized in that said first lower jaw (22) comprises:

a third positioning section (220), one end of which is provided with a second elastic piece (221), one end of the second elastic piece (221) far away from the third positioning section (220) is connected with the lower fixing seat (11), the third positioning section (220) is cylindrical, and the side surface of the third positioning section is provided with at least one second elastic positioning block (223);

the fourth positioning section (222) is connected with one end, far away from the second elastic piece (221), of the third positioning section (220), and the fourth positioning section (222) is conical and gradually reduced in size from bottom to top.

4. A laser welding machine as defined in claim 1, wherein: first positioning head (210) are round platform shape and size from last to diminishing gradually down.

5. A laser welding machine as defined in claim 1, wherein: lower chuck subassembly still includes chuck (24) under the third, chuck (24) are down including fixed station (240) and locating support piece (241) of fixed station (240) bottom, fixed station (240) are the L shape, support piece (241) can dismantle with lower fixing base (11) and be connected.

6. A laser welder according to claim 1, characterized in that: still include heterotypic locating piece (3), be equipped with mutually perpendicular and the first constant head tank (30) of acceping and the constant head tank (31) is acceptd to the second that intersects the setting on heterotypic locating piece (3), first constant head tank (30) and the second of acceping are acceptd constant head tank (31) and are linked together each other to accept corresponding pipe welding material respectively, carry out spot welding to the junction of pipe welding material.

7. A laser welding machine as defined in claim 1, wherein: the main frame body (1) is provided with a positioning cylinder (4), the positioning cylinder (4) is located between the upper fixing seat (10) and the lower fixing seat (11) and is connected with a positioning seat (40), and the positioning cylinder (4) is used for driving the positioning seat (40) to abut against a corresponding welding material.

8. A laser welder according to claim 1, characterized in that: lower fixing base (11) include rolling disc (110) and locate monitoring piece (111) of rolling disc (110) one side, rolling disc (110) are used for rotating along its axle center under the drive of motor, and its top extends along its border profile outside and forms the chimb, be equipped with monitoring hole (112) on the chimb, monitoring piece (111) are including one detection groove (113) that are C shape, the top of detecting groove (113) is equipped with a sensor, the sensor is used for through the monitoring detect groove (113) with the monitoring the rotation cycle of rolling disc (110).

9. A laser welding machine as defined in claim 1, wherein: the main frame body (1) is provided with a sliding rail (12), and the upper fixing seat (10) is slidably arranged on the sliding rail (12) to slide up and down along the vertical direction.

10. A laser welder according to claim 1, characterized in that: the clamping or the screw joint between the first upper clamping head (20) and the second upper clamping head (21) and the upper fixing seat (10), and the clamping or the screw joint between the first lower clamping head (22), the second lower clamping head (23), the third lower clamping head (24) and the lower fixing seat (11).