CN217290894U

CN217290894U - Metal steam suction device of automatic laser welding machine

Info

Publication number: CN217290894U
Application number: CN202220084569.0U
Authority: CN
Inventors: 鲁海征
Original assignee: Kunshan Hengchengyuan Laser Technology Co ltd
Current assignee: Kunshan Hengchengyuan Laser Technology Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-08-26
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to a metal vapor suction device of an automatic laser welding machine, which comprises a lock hoop, a lifting cylinder and a suction ring; a connecting plate is arranged on one side of the lock hoop, a cylinder body of the lifting cylinder is connected with the connecting plate, an upper flange is arranged at the tail end of a piston rod of the lifting cylinder, a vertical rod is arranged on the air suction ring, a lower flange is arranged at the top end of the vertical rod, and the lower flange is movably connected with the upper flange through an elastic column pin; the air suction ring is annular, a bottom hole and an inner air channel are arranged in the air suction ring, an air pipe connector is arranged on the upper portion of the air suction ring, and an inner protection ring is arranged on the inner side of the air suction ring. The utility model relates to an automatic laser welder metal steam suction device sets up on laser welder's the welding head to the suction structure is the annular, realizes along with welding head one and removes, and forms annular suction in the position that is closer to the department of welding, promotes the thoroughness of collecting the metal steam that produces.

Description

Metal steam suction device of automatic laser welding machine

Technical Field

The utility model relates to a laser welding field, concretely relates to automatic laser welding machine metal vapor suction device.

Background

In laser welding, high-energy laser pulses are used for locally heating materials in micro-areas, energy radiated by laser is diffused into the materials through heat conduction, and the materials are melted to form a specific molten pool. The novel welding mode is mainly used for welding thin-wall materials and precise parts, spot welding, butt welding, stitch welding, seal welding and the like can be realized, the depth-width ratio is high, the width of a welding seam is small, a heat affected zone is small, deformation is small, the welding speed is high, the welding seam is smooth and attractive, processing or simple processing is not needed after welding, the welding seam is high in quality and free of air holes, accurate control can be realized, a focusing light spot is small, the positioning precision is high, and automation is easy to realize.

The automatic laser welding machine is used for automatically welding metal parts. In laser welding, the metal at the laser focus is vaporized by rapid temperature rise in a short time, and metal vapor is formed and diffused in the air.

Metal vapors can affect the health of the operating workers' respiratory systems and can contaminate the air quality in the workplace. Therefore, the existing automatic laser welding machine is mostly provided with a suction device.

Most of suction devices of the existing automatic laser welding machines are arranged at the middle upper part of the welding machine and collect gas smoke with the rising characteristic. However, the laser welding head moves to realize welding with a special track, and the suction device is fixed, so that the thoroughness of the collection mode for sucking the metal vapor is poor, and a considerable part of the metal vapor is still diffused in the air of a workshop without being collected by the suction device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at:

the utility model provides an automatic laser welder metal vapor suction device sets up on laser welder's the welding head to the suction structure is the annular, realizes along with welding head one and removes, and forms annular suction in the position that is more close to the welding department, promotes the thoroughness of collecting the metal vapor that produces.

In order to achieve the above object, the present invention provides the following technical solutions:

a metal vapor suction device of an automatic laser welding machine comprises a lock hoop, a lifting cylinder and a suction ring; a connecting plate is arranged on one side of the lock hoop, a cylinder body of the lifting cylinder is connected with the connecting plate, an upper flange is arranged at the tail end of a piston rod of the lifting cylinder, a vertical rod is arranged on the air suction ring, a lower flange is arranged at the top end of the vertical rod, and the lower flange is movably connected with the upper flange through an elastic column pin; the air suction ring is annular, a bottom hole and an inner air channel are formed in the air suction ring, an air pipe connector is arranged on the upper portion of the air suction ring, and an inner protection ring is arranged on the inner side of the air suction ring.

Furthermore, the lock hoop comprises a first side hoop and a second side hoop, the first side hoop and the second side hoop are connected through bolts, the connecting plate is connected with the second side hoop, and a piston rod of the lifting cylinder is parallel to the central axis of the lock hoop.

Furthermore, the vertical rod is coaxial with a piston rod of the lifting cylinder, and the elastic pins are made of rubber and are arranged in a circumferential array along the upper flange.

Furthermore, the central axis of the air suction ring and the central axis of the lock hoop are in the same straight line, the inner air passage is annular, and the bottom hole is communicated with the inner air passage and has a downward opening.

Furthermore, the air pipe connector is communicated with the inner air path, and the air pipe connector is specifically located at a position close to the vertical rod.

Furthermore, the inner protection ring is annular and is located on the inner side wall of the air suction ring, the inner protection ring is made of ceramic, the cross section of the inner protection ring is semicircular, and one end of an arc line faces one side of the circle center of the air suction ring.

The utility model has the advantages that: the utility model provides an automatic laser welding machine metal vapor suction device, combine the lock hoop, the lift cylinder, the elasticity pin, and inhale the utilization of gas ring, can fix on the welding head of laser welding machine, and inhale the gas ring and be the annular, realize along with welding head and remove, can avoid causing the influence to welding through going up and down, thereby form annular suction in the position that is closer to welding department, can promote the thoroughness of collecting the metal vapor that produces by a wide margin, thereby reduce the quantity value of diffusing the metal vapor in the workshop air, and then reduce the harmful effects to the air quality in the health of operation workman's respiratory and the workshop.

Drawings

Fig. 1 is the overall structure schematic diagram of the metal vapor suction device of the automatic laser welding machine of the present invention.

Fig. 2 is a schematic view from another angle of the structure shown in fig. 1.

Fig. 3 is the schematic view of the sectional structure of the gas suction ring of the metal vapor suction device of the automatic laser welding machine of the present invention.

In the figure: 1. a locking band; 2. a connecting plate; 3. a lifting cylinder; 4. an upper flange; 5. an elastic pin; 6. a lower flange; 7. a vertical rod; 8. a suction ring; 81. a bottom hole; 82. an inner gas circuit; 83. a gas pipe joint; 84. an inner guard ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 3, a metal vapor suction device of an automatic laser welding machine comprises a locking hoop 1, a lifting cylinder 3 and a suction ring 8; the automatic laser welding machine is characterized in that a connecting plate 2 is arranged on one side of a lock hoop 1, the lock hoop 1 can be fixed on a cylindrical welding head of the automatic laser welding machine, a cylinder body of a lifting cylinder 3 is connected with the connecting plate 2, an upper flange 4 is arranged at the tail end of a piston rod of the lifting cylinder 3, the lifting cylinder 3 is used for driving the lifting cylinder to move up and down, a vertical rod 7 is arranged on an air suction ring 8, a lower flange 6 is arranged at the top end of the vertical rod 7, the lower flange 6 is movably connected with the upper flange 4 through an elastic pin 5, and the elastic pin 5 has elasticity, so that elastic redundancy can be realized, and the lifting cylinder 3 is prevented from being damaged; inhale ring 8 and be the annular, the cover is established at the solder head periphery after the installation, be provided with bottom hole 81 and interior gas circuit 82 in the ring 8 of inhaling, 8 upper portions of ring of inhaling are provided with the pipe connection 83, and the pipe connection 83 passes through the trachea and is connected with outside aspiration pump, 8 inboard sides of ring of inhaling are provided with interior guard ring 84, and interior guard ring 84 is used for playing the guard action, avoids inhaling the ring 8 and produces the rigidity collision with the solder head of automatic laser welding machine.

The lock hoop 1 comprises a first side hoop and a second side hoop, the first side hoop and the second side hoop are connected through bolts, the first side hoop and the second side hoop are connected with a cylindrical welding head of an automatic laser welding machine, the connecting plate 2 is connected with the second side hoop, a piston rod of the lifting cylinder 3 is parallel to the central axis of the lock hoop 1, and lifting action is ensured to be parallel to the central axis of the welding head.

The vertical rod 7 is coaxially arranged with a piston rod of the lifting cylinder 3, the elastic pin 5 is made of rubber and has elasticity, and the elastic pin is arranged in a circumferential array mode along the upper flange 4, so that the uniform stress is ensured.

The central axis of the gas suction ring 8 and the central axis of the lock hoop 1 are in the same straight line, the inner gas path 82 is annular, the bottom hole 81 is communicated with the inner gas path 82 and has a downward opening, and the bottom hole 81 is used for sucking metal vapor.

The air pipe connector 83 is communicated with the inner air channel 82, the air pipe connector 83 is specifically located at a position close to the vertical rod 7, and the air pipe connector 83 is used for being connected with an air pipe.

The inner protection ring 84 is annular and is positioned on the inner side wall of the gas suction ring 8, the inner protection ring 84 is made of ceramic, the cross section of the inner protection ring 84 is semicircular, and one end of an arc line faces one side of the circle center of the gas suction ring 8, if the gas suction ring 8 moves radially, the inner protection ring 84 firstly touches a welding head; because the cross section of the inner protective ring 84 is semicircular and one end of an arc line faces to one side of the circle center of the air suction ring 8, even if the air suction ring 8 moves, the contact between the inner protective ring 84 and the welding head is also point contact, and the arc-shaped structure is favorable for force unloading and can avoid the damage of the air suction ring 8 and the welding head due to collision.

The utility model discloses a theory of operation does: firstly, loosening a bolt on a lock hoop 1, respectively placing a first side hoop and a second side hoop on the side circular wall surface of a cylindrical welding head of an automatic laser welding machine, locking the bolt, and realizing the locking of the first side hoop and the second side hoop, namely realizing the fastening connection of the lock hoop 1 and the cylindrical welding head;

then an external suction pump is connected with a gas pipe connector 83 on the suction ring 8 through a gas pipe;

when welding is carried out, the automatic laser welding machine drives the welding head to move along a preset welding track, the piston rod of the lifting cylinder 3 extends out, the vertical rod 7 and the air suction ring 8 are driven to move downwards, and therefore the air suction ring 8 is closer to a welding position; the external air pump is electrified to start air suction, and vacuum negative pressure is generated in the internal air passage 82 of the air suction ring 8, so that suction is performed through the bottom hole 81; because the gas suction ring 8 is sleeved on the periphery of the welding head, the bottom holes 81 arranged in a circumferential array can realize all-around suction on the periphery of the welding position, thereby greatly increasing the suction thoroughness on metal steam.

The above examples are provided for further illustration of the present invention, but do not limit the present invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood as being within the protection scope of the present invention.

Claims

1. The utility model provides an automatic laser welding machine metal vapor suction device which characterized in that: comprises a lock hoop (1), a lifting cylinder (3) and an air suction ring (8); a connecting plate (2) is arranged on one side of the lock hoop (1), a cylinder body of the lifting cylinder (3) is connected with the connecting plate (2), an upper flange (4) is arranged at the tail end of a piston rod of the lifting cylinder (3), a vertical rod (7) is arranged on the air suction ring (8), a lower flange (6) is arranged at the top end of the vertical rod (7), and the lower flange (6) is movably connected with the upper flange (4) through an elastic pin (5); the air suction ring (8) is annular, a bottom hole (81) and an inner air channel (82) are arranged in the air suction ring (8), an air pipe connector (83) is arranged on the upper portion of the air suction ring (8), and an inner protection ring (84) is arranged on the inner side of the air suction ring (8).

2. The metal vapor suction device of an automatic laser welding machine according to claim 1, characterized in that: the lock hoop (1) comprises a first side hoop and a second side hoop, the first side hoop and the second side hoop are connected through bolts, the connecting plate (2) is connected with the second side hoop, and a piston rod of the lifting cylinder (3) is parallel to the central axis of the lock hoop (1).

3. The metal vapor suction device of an automatic laser welding machine according to claim 2, characterized in that: the vertical rod (7) and the piston rod of the lifting cylinder (3) are coaxially arranged, and the elastic pin (5) is made of rubber and is arranged in a circumferential array manner along the upper flange (4).

4. The metal vapor suction device of an automatic laser welding machine according to claim 3, characterized in that: the central axis of the air suction ring (8) and the central axis of the lock hoop (1) are the same straight line, the inner air passage (82) is annular, and the bottom hole (81) is communicated with the inner air passage (82) and has a downward opening.

5. The metal vapor suction device of an automatic laser welding machine according to claim 4, characterized in that: the air pipe connector (83) is communicated with the inner air passage (82), and the air pipe connector (83) is specifically located at a position close to the vertical rod (7).

6. The metal vapor suction device of an automatic laser welding machine according to claim 5, characterized in that: the inner protection ring (84) is annular and is positioned on the inner side wall of the air suction ring (8), the inner protection ring (84) is made of ceramic, the cross section of the inner protection ring (84) is semicircular, and one end of an arc line faces one side of the circle center of the air suction ring (8).