CN219358262U - Laser welding machine - Google Patents

Abstract

The utility model belongs to the technical field of welding equipment, and particularly relates to a laser welding machine, two pushing devices, a positioning device and a laser welding device; the two pushing devices are arranged on the frame on opposite sides, the positioning device is arranged between the two pushing devices and comprises a supporting seat, a pressing driving piece and a lower pressing plate, the pressing driving piece is arranged on one side of the supporting seat, and the lower pressing plate is connected with the pressing driving piece and is positioned at the upper end of the supporting seat; the pushing device comprises a movable seat and a telescopic mechanism, the telescopic mechanism is arranged at one end of the movable seat, which is close to the supporting seat, and the telescopic mechanism comprises a supporting block, and the top surface of the supporting block is flush with the top surface of the supporting seat; the top of the movable seat is provided with a pressing piece, the laser welding device is arranged on the frame, and the lower pressing plate is provided with a clearance groove for avoiding laser beams of the laser welding device. Through the structure setting, realize the level welding between two materials.

Description

Laser welding machine

Technical Field

The utility model belongs to the technical field of welding equipment, and particularly relates to a laser welding machine.

Background

A laser welder, also commonly referred to as a laser welder, is a machine used in laser welding of materials. Laser welding is to use high-energy laser pulse to locally heat the material in micro-area, and the energy of laser radiation is guided to the internal diffusion of the material through heat transfer to melt the material to form a specific molten pool. The novel welding mode can realize spot welding, butt welding, stitch welding, seal welding and the like, has high depth-to-width ratio, small weld width, small heat affected zone, small deformation, high welding speed, smooth and attractive weld, no need of treatment or simple treatment after welding, high weld quality, no air hole, accurate control, small focusing light spot, high positioning precision and easy realization of automation. In the prior art, two ends to be welded are butted or overlapped to form a welding area, the welding area is welded, and the technical problem that the welding position dislocation and the interruption exist in the connection between two materials by adopting a laser welding machine in the prior art is solved.

Disclosure of Invention

The utility model aims to provide a laser welding machine, which aims to solve the technical problem of welding dislocation of the laser welding machine in the prior art.

In order to achieve the above purpose, the embodiment of the utility model provides a laser welding machine, which comprises a frame, two pushing devices, a positioning device and a laser welding device; the two pushing devices are arranged on the frame on opposite sides, the positioning device is arranged between the two pushing devices and comprises a supporting seat, a pressing driving piece and a lower pressing plate, the pressing driving piece is arranged on one side of the supporting seat, and the lower pressing plate is connected with the pressing driving piece and is positioned at the upper end of the supporting seat; the pushing device comprises a movable seat and a telescopic mechanism, wherein the telescopic mechanism is telescopically arranged at one end of the movable seat, which is close to the supporting seat, and comprises a supporting block, and the top surface of the supporting block is flush with the top surface of the supporting seat; the top of the movable seat is provided with a pressing piece, and the pressing piece is used for pressing the metal strip to be welded on the movable seat so that the metal strip to be welded is level with the end face of the supporting block; the laser welding device is arranged on the frame, and the lower pressing plate is provided with an empty avoiding groove for avoiding laser beams of the laser welding device.

Preferably, a positioning groove is arranged on the movable seat and used for positioning the metal strip to be welded; one end of the pressing piece is rotationally connected to the movable seat, and the other end of the pressing piece is provided with a locking piece which is used for being locked and connected to the movable seat, so that the pressing piece presses the metal strip to be welded in the positioning groove.

Preferably, the telescopic mechanism further comprises a guide member and a compression elastic member; the movable seat is provided with a sliding connection part, one end of the guide piece is in sliding connection with the sliding connection part, and the other end of the guide piece is connected with the supporting block; the compression elastic piece is arranged between the supporting block and the movable seat and is used for elastically extruding and pushing the supporting block, a first limiting part is arranged at one end of the guide piece, a second limiting part is arranged on the sliding connection part, the second limiting part is used for limiting the first limiting part, and the movable distance of the supporting block is limited.

Preferably, the sliding connection part is a guide hole, and the guide hole extends from one end of the movable seat close to the supporting seat to the other end; the guide piece slidingly extends into the guide hole, the first limiting part is a limiting groove positioned at one end of the guide piece, and the limiting groove is provided with a limiting end; the second limiting part is a limiting pin extending into the limiting groove, and the limiting pin is used for limiting the extending length of the guide piece.

Preferably, guide angles are arranged at two side edges of the top of the supporting seat, and the guide angles are used for the metal strips to be welded to extend to the top of the supporting seat.

Preferably, the bottom of the supporting block is supported on the frame; the pushing device further comprises a punching mechanism, wherein the punching mechanism comprises a supporting frame, a punching driving piece and a punching cutter; the support frame sets up the frame, die-cut driving piece sets up on the support frame, die-cut sword is connected die-cut driving piece, die-cut driving piece drive die-cut sword pushes down with the supporting shoe die-cut the tip of waiting to weld the metal strip.

Preferably, the punching cutter comprises a punching seat and a cutter, wherein the punching seat is connected with the punching driving piece, and the cutter is arranged at the bottom of the punching seat; the bottom of the punching seat is also provided with a positioning clamping groove which is used for being clamped at two sides of the supporting block; the cutter is a side wall of the positioning clamping groove.

Preferably, the piercing tip further comprises a compression spring and a press block; the bottom of the punching seat is provided with an installation cavity, and the side wall of the installation cavity is sunken with a limit groove; the pressing block is arranged in the mounting cavity, and the side wall of the pressing block extends to form a limiting protrusion extending into the limiting groove; the compression spring is arranged between the pressing block and the bottom wall of the installation cavity and is used for extruding and pushing the lower end face of the pressing block to extend out of the installation cavity.

Preferably, the top of the frame extends upwards to form two side plates, the movable seat and the supporting block are arranged between the two side plates, supporting steps are arranged on opposite sides of the two side plates, and two sides of the supporting block are respectively and slidably supported on the two supporting steps.

Preferably, the top of two curb plates still is provided with spacing, spacing and correspondence support the step and form spacing spout for spacing the supporting shoe.

The above technical solutions in the laser welding machine provided by the embodiments of the present utility model have at least one of the following technical effects:

the utility model relates to a laser welding machine which comprises a frame, two pushing devices, a positioning device and a laser welding device, wherein the pushing devices, the positioning device and the laser welding device are fixedly arranged on the upper surface of the frame during assembly, the positioning device is positioned between the two pushing devices, the pushing outlet ends of the two pushing devices are arranged towards the positioning device, one end of a metal strip to be welded is pushed onto the positioning device by the two pushing devices, so that the ends of the two metal strips to be welded are mutually spliced to form a whole, the positioning device consists of a supporting seat, a compression driving piece and a lower pressing plate, wherein the supporting seat and the compression driving piece are fixedly arranged on the upper surface of the frame, the lower pressing plate is fixedly arranged on the moving end of the compression driving piece and is pressed on the upper surface of the supporting seat by the downward movement of the lower pressing plate, positioning end parts of two metal strips to be welded on the upper surface of a supporting seat, simultaneously arranging a clearance groove on a lower pressing plate, arranging end splicing positions of the two metal strips to be welded in the clearance groove, welding the end splicing positions of the two metal strips to be welded in the clearance groove area by a laser beam of a laser welding device from the upper part through the clearance groove, arranging a moving seat and a telescopic mechanism on a pushing device, wherein the telescopic mechanism is telescopically arranged at the end part of the moving seat, the telescopic mechanism is oppositely arranged with the side surface of the supporting seat, driving the telescopic mechanism to move and abut against the side surface of the supporting seat when the moving seat moves, ensuring that the telescopic mechanism stretches to be equal to half of the width of the upper surface of the supporting seat, ensuring that the end parts of the two metal strips to be welded are just spliced together when the telescopic mechanism shortens to the maximum, arranging a pressing piece at the top of one action, carrying out fixed mounting to the metal strip of waiting to weld of placing on removing the seat, promote the one end of waiting to weld the metal strip and stretch into on the supporting seat top plane, realize two tip concatenation of waiting to weld the metal strip, simultaneously, what need adjust is the bottom plane of waiting to weld the metal strip of placing on removing the seat and telescopic machanism supporting shoe terminal surface parallel and level, ensures to wait to weld the metal strip and plays the supporting role.

When the welding machine is used, an operator respectively places two metal strips to be welded on the movable seats of the two pushing devices, fixes the pressing parts arranged on the movable seats, simultaneously keeps the end parts of the metal strips to be welded flush with the end edges of the telescopic mechanisms in the extending state, starts the pushing devices, pushes the metal strips to be welded towards the middle positioning device, the end parts of the telescopic mechanisms are abutted to the side surfaces of the supporting seats to start, the metal strips to be welded start to stretch into the top plane of the supporting seats, after the telescopic mechanisms stop shortening, the end parts of the metal strips to be welded are mutually spliced on the top plane of the supporting seats, at the moment, the pressing driving parts are started, the pressing plates are pressed down, the pressing plates are covered on the two metal strips to be welded, the splicing parts of the metal strips to be welded are located in the empty avoiding grooves of the pressing plates, the laser welding devices are started, and laser beams penetrate through the empty avoiding grooves to weld the splicing parts of the metal strips to be welded. Through the structure setting, realize the level welding between two materials.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an effect diagram of a laser welding machine according to an embodiment of the present utility model.

Fig. 2 is a top view of a laser welding machine according to an embodiment of the present utility model.

Fig. 3 is a diagram showing the combined effect of the pushing device and the punching mechanism of the laser welding machine according to the embodiment of the utility model.

Fig. 4 is a top view of a pushing device of a laser welding machine according to an embodiment of the present utility model.

Fig. 5 is a cross-sectional view taken along line A-A of fig. 4.

Fig. 6 is a partial enlarged view of B in fig. 5.

Fig. 7 is an effect diagram of a positioning device of a laser welding machine according to an embodiment of the present utility model.

Fig. 8 is a bottom view of a punching blade of a laser welding machine according to an embodiment of the present utility model.

Fig. 9 is a cross-sectional view taken along line C-C of fig. 8.

Wherein, each reference sign in the figure:

10-frame 11-side plate 20-pushing device

21-moving seat 22-telescopic mechanism 30-positioning device

31-supporting seat 32-pressing driving piece 33-lower pressing plate

40-laser welding device 50-punching mechanism 51-supporting frame

52-die-cutting driving piece 53-die-cutting blade 111-limit strip

211-pressing piece 212-limiting pin 221-supporting block

222-guide 223-compression spring 531-die-cut seat

532-cutter 533-compression spring 534-pressing block

2221—a limit slot.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in fig. 1-9, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 5 and 7, there is provided a laser welding machine including a frame 10, two pushing devices 20, a positioning device 30 and a laser welding device 40; the pushing device 20 is used for fixedly mounting metal strips to be welded, pushing and shifting the fixed metal strips to be welded, the positioning device 30 is used for fixing the positions of the ends of the two metal strips to be welded after splicing, avoiding the position movement of the ends of the two metal strips to be welded after splicing, the two pushing devices 20 are arranged on the frame 10 on opposite sides, ensuring that the moving directions of the two metal strips to be welded are opposite and are conveyed towards the same position, the positioning device 30 is arranged between the two pushing devices 20 and is used for receiving the metal strips to be welded conveyed by the two pushing devices 20, the positioning device 30 comprises a supporting seat 31, a pressing driving piece 32 and a lower pressing plate 33, the supporting seat 31 is used for bearing one end of the two metal strips to be welded, the ends of the two metal strips to be welded are spliced on the top plane of the supporting seat 31 and wait for welding, the pressing driving piece 32 drives the lower pressing plate 33 to move, and the connecting part of the metal strips to be welded on the top plane of the supporting seat 31 is pressed and positioned.

The pressing driving piece 32 is arranged on one side of the supporting seat 31, the lower pressing plate 33 is connected with the pressing driving piece 32, the pressing driving piece 32 is arranged adjacent to the supporting seat 31, the distance between the lower pressing plate 33 fixedly arranged on the moving end of the pressing driving piece 32 and the top plane of the supporting seat 31 is effectively shortened, and the pressing driving piece is positioned at the upper end of the supporting seat 31; the pushing device 20 comprises a moving seat 21 and a telescopic mechanism 22, wherein the moving seat 21 bears a metal strip to be welded, the telescopic mechanism 22 bears the end part of the metal strip to be welded, the moving distance of the end part of the metal strip to be welded on the top plane of a supporting seat 31 is limited, the situation that the moving distance of the metal strip to be welded is insufficient or exceeds, two metal strips to be welded cannot be spliced or overlapped together is prevented, the telescopic mechanism 22 is arranged at one end of the moving seat 21 close to the supporting seat 31 in a telescopic manner, the telescopic mechanism 22 is arranged opposite to the side surface of the supporting seat 31, when the telescopic mechanism 22 abuts against the side surface of the supporting seat 31, the moving distance of the end part of the metal strip to be welded is limited, the telescopic mechanism 22 comprises a supporting block 221, and the top surface of the supporting block 221 is flush with the top surface of the supporting seat 31; the supporting block 221 supports the end of the metal strip to be welded, so that the metal strip to be welded is prevented from bending, the top of the movable seat 21 is provided with a pressing piece 211, and the pressing piece 211 is used for pressing the metal strip to be welded on the movable seat 21, so that the metal strip to be welded is level with the end face of the supporting block 221; the laser welding device 40 is arranged on the frame 10, the lower pressing plate 33 is provided with a void-avoiding groove for avoiding laser beams of the laser welding device 40, the laser beams pass through the void-avoiding groove to accurately weld the spliced part in the void-avoiding groove, and simultaneously, the two metal strips to be welded cannot move in position under the action of the lower pressing plate 33.

The laser welding machine of the utility model comprises a frame 10, two pushing devices 20, a positioning device 30 and a laser welding device 40, wherein the pushing devices 20, the positioning device 30 and the laser welding device 40 are fixedly arranged on the upper surface of the frame 10 when being assembled, the positioning device 30 is positioned between the two pushing devices 20, meanwhile, the pushing outlet ends of the two pushing devices 20 are arranged towards the positioning device 30, one end of a metal strip to be welded is pushed onto the positioning device 30 by the two pushing devices 20, so that the ends of the two metal strips to be welded are mutually spliced to form a whole, the positioning device 30 comprises a supporting seat 31, a pressing driving piece 32 and a lower pressing plate 33, wherein the supporting seat 31 and the pressing driving piece 32 are fixedly arranged on the upper surface of the frame 10, the lower pressing plate 33 is fixedly arranged on the moving end of the pressing driving piece 32, the lower pressing plate 33 moves downwards to press and cover the upper surface of the supporting seat 31, the end parts of the two metal strips to be welded which are positioned on the upper surface of the supporting seat 31 are positioned, meanwhile, a clearance groove is arranged on the lower pressing plate 33, the end splicing position of the two metal strips to be welded is positioned in the clearance groove, the laser beam of the laser welding device 40 passes through the clearance groove from the upper part to weld the end splicing position of the two metal strips to be welded in the clearance groove area, the pushing device 20 is provided with a moving seat 21 and a telescopic mechanism 22, wherein the telescopic mechanism 22 is arranged at the end part of the moving seat 21 in a telescopic way, the telescopic mechanism 22 is arranged opposite to the side surface of the supporting seat 31, the telescopic mechanism 22 is driven to move and abut against the side surface of the supporting seat 31 when the moving seat 21 moves, the telescopic mechanism 22 stretches and contracts to be equal to half of the width of the upper surface of the supporting seat 31, ensuring that when telescopic machanism 22 shortens to furthest's tip of two metal strips that wait to weld just in time splice together, set up compressing member 211 at the top of an action, carry out fixed mounting to the metal strip that wait to weld of placing on moving seat 21, promote the one end of waiting to weld the metal strip to stretch into on the supporting seat 31 top plane, realize the tip concatenation of two metal strips that wait to weld, simultaneously, what need adjust is the bottom plane of waiting to weld the metal strip of placing on moving seat 21 and telescopic machanism 22 supporting shoe 221 terminal surface parallel and level, ensure to wait to weld the metal strip and play the supporting role.

When the welding machine is used, an operator respectively places two metal strips to be welded on the movable seats 21 of the two pushing devices 20, fixes the metal strips through the pressing pieces 211 arranged on the movable seats 21, simultaneously keeps the end parts of the metal strips to be welded flush with the end edges of the telescopic mechanisms 22 in an extending state, starts the pushing devices 20, simultaneously pushes the metal strips to be welded to the middle positioning devices 30 by the two pushing devices 20, starts the end parts of the telescopic mechanisms 22 to abut against the side surfaces of the supporting seats 31, starts to stretch into the top plane of the supporting seats 31, and after the telescopic mechanisms 22 stop shortening, the end parts of the metal strips to be welded are spliced with each other on the top plane of the supporting seats 31, at the moment, starts the pressing driving pieces 32, presses down the lower pressing plates 33, presses the upper surfaces of the metal strips to be welded, enables the spliced parts of the metal strips to be welded to be located in the empty avoiding grooves of the lower pressing plates 33, starts the laser welding devices 40, and enables laser beams to pass through the empty grooves to weld the spliced parts of the metal strips to be welded. Through the structure setting, realize the level welding between two materials.

In another embodiment of the present utility model, as shown in fig. 1 to 5, a positioning groove is provided on the movable seat 21 for positioning the metal strip to be welded; prevent to take place the position offset when processing, the one end of clamp 211 rotates to be connected on removing seat 21, the other end is provided with the retaining member for locking to be connected on removing seat 21, make clamp 211 compress tightly the metal strip that waits to weld in the constant head tank, wherein, the retaining member can adopt high magnet material to pass through the adsorption characteristic of magnet, adsorb on removing seat 21, realize that the extrusion that waits to weld the metal strip that lies in between removing seat 21 and the retaining member is fixed, in addition, the retaining member also can adopt the hasp structure, through the hasp fixed, ensure to wait to weld the metal strip and be inconvenient in the position between retaining member and removing seat 21, ensure that steady promotion wait to weld the metal strip and remove.

In another embodiment of the present utility model, as shown in fig. 1 to 5, the telescopic mechanism 22 further includes a guide 222 and a compression elastic member 223; the guide piece 222 plays a role in guiding the telescopic direction of the telescopic mechanism 22, orients the telescopic direction of the telescopic mechanism 22, the compression elastic piece 223 utilizes the restoring force of the guide piece, when the telescopic mechanism 22 is compressed and then returns to the original state through the restoring force of the compression elastic piece 223, the movable seat 21 is provided with a sliding connection part, one end of the guide piece 222 is in sliding connection with the sliding connection part, one end of the guide piece 222 is slidably arranged in the sliding connection part of the movable seat 21, the telescopic mechanism 22 is placed to fall off in the acting process, and the other end of the guide piece 222 is connected with the supporting block 221; the compression elastic piece 223 is arranged between the supporting block 221 and the movable seat 21 and is used for elastically extruding and pushing the supporting block 221, the compression elastic piece 223 pushes the supporting block 221 to move along the guide piece 222 in sliding installation, a first limiting part is arranged at one end of the guide piece 222, a second limiting part is arranged on the sliding connection part, the second limiting part limits the first limiting part, the movable distance of the supporting block 221 is limited, when the supporting block 221 moves a rod under the pushing of the compression elastic piece 223, the guide piece 222 is driven to move the rod, the first limiting part on the guide piece 222 moves in position, and the second limiting part is connected with the first limiting part to limit the distance travel of the movement of the first limiting part.

In another embodiment of the present utility model, as shown in fig. 3 to 6, the sliding connection portion is a guide hole, and the guide hole extends from one end of the movable seat 21 near the supporting seat 31 to the other end; the guide hole penetrates through the supporting seat 31, so that the internal environment of the guide hole is conveniently observed, the guide piece 222 slidably stretches into the guide hole, the first limiting part is a limiting groove 2221 positioned at one end of the guide piece 222, and the limiting groove 2221 is provided with a limiting end; the limiting end is arranged near the end part of the guide piece 222, the second limiting part is a limiting pin 212 extending into the limiting groove 2221, the limiting pin 212 is used for limiting the extending length of the guide piece 222, and when the guide piece 222 is about to slide beyond a range, the limiting pin 212 is matched with the arrangement of the end part of the limiting groove 2221 to limit the guide piece 222 to move continuously.

In another embodiment of the present utility model, as shown in fig. 1 and 7, guide angles are disposed at two side edges of the top of the supporting seat 31, and both guide angles incline from top to bottom from the top plane of the supporting seat 31 toward the pushing device 20 to form an inclined plane for the metal strip to be welded to extend to the top of the supporting seat 31, and the end of the metal strip to be welded contacts the inclined plane first, so that even if there is a slight height difference between the metal strip to be welded and the top plane of the supporting seat 31, the metal strip to be welded can be ensured to smoothly move to the top plane of the supporting seat 31.

In another embodiment of the present utility model, as shown in fig. 1 and 7, the bottom of the supporting block 221 is supported on the frame 10; the pushing device 20 further comprises a punching mechanism 50 for punching the end part of the metal strip to be welded, so that the end part of the metal strip to be welded can be prevented from being randomly placed when the metal strip to be welded is processed, the end part of the metal strip can be punched and tidied through the punching mechanism 50 and is always flush with the edge of the supporting block 221, and the punching mechanism 50 comprises a supporting frame 51, a punching driving piece 52 and a punching cutter 53; the support frame 51 prescribes the working height of the punching mechanism 50, the punching driving piece 52 drives the cutter 532 to realize the end punching leveling function of the metal strip to be welded, the support frame 51 is arranged on the frame 10, the support frame 51 is fixedly arranged on the frame 10, the position of the punching mechanism 50 is fixed, the punching driving piece 52 is arranged on the support frame 51, the punching driving piece 53 is connected with the punching driving piece 52, the punching driving piece 52 drives the punching cutter 53 to press the end of the metal strip to be welded with the supporting block 221, the punching cutter 53 which is positioned on the supporting block 221 and turned up moves downwards under the driving action of the punching driving piece 52, and the end part of the metal strip to be welded positioned on the supporting block 221 is punched leveling.

In another embodiment of the present utility model, as shown in fig. 1 to 3 and fig. 8 to 9, the punching blade 53 includes a punching seat 531 and a cutter 532, the punching seat 531 is used for fixedly mounting the cutter 532, and the hardness coefficient of the material of the cutter 532 is higher than that of the punching seat 531, so that the production cost of the punching seat 531 can be effectively reduced, the punching seat 531 is connected with the punching driving member 52, and the cutter 532 is arranged at the bottom of the punching seat 531; the punching driving piece 52 drives the punching seat 531 to move, the punching seat 531 drives the cutter 532 arranged at the bottom of the punching seat 531 to carry out end leveling punching on the metal strip to be welded, and the bottom of the punching seat 531 is also provided with a positioning clamping groove for clamping on two sides of the supporting block 221; the cutter 532 contacts the edge of supporting shoe 221 after the positioning card slot joint in the both sides of supporting shoe 221, will stretch out unnecessary part and wait to weld the metal strip die-cut, and cutter 532 is the side wall of positioning card slot, and the die-cut face of cutter 532 aligns with the notch lateral wall of positioning card slot, makes cutter 532 can be accurate die-cut substitution processing water inlet jacket after the location.

In another embodiment of the present utility model, as shown in fig. 8 to 9, the piercing tip 53 further includes a compression spring 533 and a pressing block 534; the bottom of the punching seat 531 is provided with an installation cavity, and the side wall of the installation cavity is recessed with a limit groove 2221; the pressing block 534 is arranged in the mounting cavity, the position movement of the whole pressing block 534 is limited through the limit groove 2221, the upward movement process of the pressing block 534 is limited on one hand, the whole movement travel of the pressing block 534 is limited, and the side wall of the pressing block 534 extends to form a limit protrusion extending into the limit groove 2221; the limit protrusion and the limit groove 2221 are matched with each other, the limit protrusion is used for limiting the moving position of the whole pressing block 534 by limiting the moving position of the limit groove 2221, the compression spring 533 is arranged between the pressing block 534 and the bottom wall of the installation cavity and used for extruding the lower end face of the pressing block 534 to extend out of the installation cavity, the compression spring 533 extrudes the pressing block 534, the bottom of the pressing block 534 in a normal state is ensured to protrude out of the installation cavity, after the punching cutter 53 moves downwards, the pressing block 534 can limit the position of a metal strip to be welded firstly, then continues to move downwards, the pressing block 534 moves upwards in the installation cavity, the cutter 532 stretches out, and the end part of the metal strip to be welded is punched.

In another embodiment of the present utility model, as shown in fig. 1-2, the top of the frame 10 extends upwards to form two side plates 11, the moving seat 21 and the supporting block 221 are disposed between the two side plates 11, opposite sides of the two side plates 11 are provided with supporting steps, two sides of the supporting block 221 are respectively slidably supported on the two supporting steps, the two side plates 11 support the supporting block 221 and the moving seat 21 to slide, and meanwhile, when the supporting steps receive the impact force of the metal strip to be welded on the supporting block 221 during punching, on the other hand, the supporting steps play a certain guiding and limiting role on the movement of the supporting block 221 and the moving seat 21, alternatively, the bottom of the supporting block 221 can be extended to be directly connected with the upper surface of the frame 10 in a sliding manner, and when the metal strip to be welded is subjected to punching, the pressure of the supporting block 221 by the punching tool 53 is directly conducted onto the frame 10.

In another embodiment of the present utility model, as shown in fig. 1 to 5, the top of the two side plates 11 is further provided with a limiting strip 111, opposite sides of the two limiting strips 111 extend in opposite directions, the limiting strips 111 and the corresponding supporting steps form limiting sliding grooves, so that the supporting blocks 221 and two side ends of the movable seat 21 move below the limiting strips 111 to limit the supporting blocks 221, and when the punching blade 53 punches the supporting blocks 221, force is prevented from being transmitted to the movable seat 21, which causes the movable seat 21 to vibrate and pick up.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A laser welding machine, characterized in that: comprises a frame, two pushing devices, a positioning device and a laser welding device; the two pushing devices are arranged on the frame on opposite sides, the positioning device is arranged between the two pushing devices and comprises a supporting seat, a pressing driving piece and a lower pressing plate, the pressing driving piece is arranged on one side of the supporting seat, and the lower pressing plate is connected with the pressing driving piece and is positioned at the upper end of the supporting seat; the pushing device comprises a movable seat and a telescopic mechanism, wherein the telescopic mechanism is telescopically arranged at one end of the movable seat, which is close to the supporting seat, and comprises a supporting block, and the top surface of the supporting block is flush with the top surface of the supporting seat; the top of the movable seat is provided with a pressing piece, and the pressing piece is used for pressing the metal strip to be welded on the movable seat so that the metal strip to be welded is level with the end face of the supporting block; the laser welding device is arranged on the frame, and the lower pressing plate is provided with an empty avoiding groove for avoiding laser beams of the laser welding device.

2. The laser welder of claim 1 wherein: the movable seat is provided with a positioning groove for positioning the metal strip to be welded; one end of the pressing piece is rotationally connected to the movable seat, and the other end of the pressing piece is provided with a locking piece which is used for being locked and connected to the movable seat, so that the pressing piece presses the metal strip to be welded in the positioning groove.

3. The laser welder of claim 1 wherein: the telescopic mechanism further comprises a guide piece and a compression elastic piece; the movable seat is provided with a sliding connection part, one end of the guide piece is in sliding connection with the sliding connection part, and the other end of the guide piece is connected with the supporting block; the compression elastic piece is arranged between the supporting block and the movable seat and is used for elastically extruding and pushing the supporting block, a first limiting part is arranged at one end of the guide piece, a second limiting part is arranged on the sliding connection part, the second limiting part is used for limiting the first limiting part, and the movable distance of the supporting block is limited.

4. A laser welder as claimed in claim 3, wherein: the sliding connection part is a guide hole, and the guide hole extends from one end of the movable seat close to the supporting seat to the other end; the guide piece slidingly extends into the guide hole, the first limiting part is a limiting groove positioned at one end of the guide piece, and the limiting groove is provided with a limiting end; the second limiting part is a limiting pin extending into the limiting groove, and the limiting pin is used for limiting the extending length of the guide piece.

5. The laser welding machine according to any one of claims 1 to 4, wherein: guide angles are arranged at the edges of two sides of the top of the supporting seat and used for enabling the metal strips to be welded to extend to the top of the supporting seat.

6. The laser welding machine according to any one of claims 1 to 4, wherein: the bottom of the supporting block is supported on the frame; the pushing device further comprises a punching mechanism, wherein the punching mechanism comprises a supporting frame, a punching driving piece and a punching cutter; the support frame sets up the frame, die-cut driving piece sets up on the support frame, die-cut sword is connected die-cut driving piece, die-cut driving piece drive die-cut sword pushes down with the supporting shoe die-cut the tip of waiting to weld the metal strip.

7. The laser welder of claim 6 wherein: the punching cutter comprises a punching seat and a cutter, the punching seat is connected with the punching driving piece, and the cutter is arranged at the bottom of the punching seat; the bottom of the punching seat is also provided with a positioning clamping groove which is used for being clamped at two sides of the supporting block; the cutter is a side wall of the positioning clamping groove.

8. The laser welder of claim 7 wherein: the punching cutter also comprises a compression spring and a pressing block; the bottom of the punching seat is provided with an installation cavity, and the side wall of the installation cavity is sunken with a limit groove; the pressing block is arranged in the mounting cavity, and the side wall of the pressing block extends to form a limiting protrusion extending into the limiting groove; the compression spring is arranged between the pressing block and the bottom wall of the installation cavity and is used for extruding and pushing the lower end face of the pressing block to extend out of the installation cavity.

9. The laser welding machine according to any one of claims 1 to 4, wherein: the top of frame upwards extends there are both sides board, remove the seat with the supporting shoe sets up two between the curb plate, two the opposite side of curb plate is provided with the supporting step, the both sides of supporting shoe respectively sliding support is two on the supporting step.

10. The laser welder of claim 9 wherein: the top of two curb plates still is provided with spacing, spacing with correspond the spacing spout that forms of supporting step is used for spacing the supporting shoe.