CN210548843U

CN210548843U - Handheld water-cooled laser welding gun head

Info

Publication number: CN210548843U
Application number: CN201921052677.4U
Authority: CN
Inventors: 蔡木坤; 靳平
Original assignee: Shenzhen Poda Laser Technology Co ltd
Current assignee: Shenzhen Poda Laser Technology Co ltd
Priority date: 2019-07-06
Filing date: 2019-07-06
Publication date: 2020-05-19
Anticipated expiration: 2029-07-06

Abstract

The utility model discloses a handheld water-cooled laser welder rifle head, its technical essential includes the welding gun head, the welding gun head includes the rifle mouth of front end, the middle rifle body and connects the protective case at rifle body rear end, the internal water-cooling circulation cavity that is provided with of rifle, be equipped with cooling inlet tube, cooling outlet pipe and protection trachea in the protective case, cooling inlet tube and cooling outlet pipe are from the rear end intercommunication water-cooling circulation cavity of the rifle body, the through-hole that supplies protection trachea to wear out is seted up to protective case's lateral wall, the one end of protection trachea is worn out and is connected in one side of rifle mouth from the through-hole, and the rear end that belongs to protective case is connected with the ripple protection pipe, the one end that cavity was kept away from to cooling inlet tube, cooling outlet pipe and protection trachea is settled in the ripple protection pipe. The utility model has the advantages of water-cooling connecting pipe and protection gas pipe of the handheld water-cooling type welding gun rifle head of protection.

Description

Handheld water-cooled laser welding gun head

Technical Field

The utility model relates to a laser welding technical field, more specifically say, it relates to a handheld water-cooled laser welder rifle head.

Background

With the development of science and technology, the laser welding machine technology is continuously improved, and various laser welding equipment emerge, wherein the handheld water-cooled welding machine is one type of the handheld water-cooled welding machine, and the handheld water-cooled welding machine uses pulse laser generated by a laser to radiate the surface of a machined part after beam expansion, reflection and focusing, so that the laser welding of the machined part is realized, and the handheld water-cooled welding machine has the advantage of precise welding.

Similar to the above-mentioned handheld water-cooled welding machine in the prior art, as shown in fig. 2, during the welding process, the temperature of the head of the welding gun is high, a water-cooling structure and a protective gas pipe are usually arranged at the head of the welding gun, the rear end of the head of the welding gun is connected with a water inlet pipe and a water outlet pipe, heat in the head is taken away through water circulation, and the protective gas pipe is connected with the inside of the welding gun head, so that the service life of the welding gun is prolonged. However, many laser welding guns expose outside when passing in water inlet and outlet pipe and protection gas trachea, through winding or tie up fixedly at will, even pass in water inlet and outlet pipe and protection gas trachea junction also are exposed, in the work of handheld laser welding machine in-process, often can touch, cause the problem of water leakage gas leakage of water inlet and outlet pipe and protection gas trachea very easily in the operation, influence the use.

SUMMERY OF THE UTILITY MODEL

To the technical problem that has now, the utility model aims at providing a handheld water-cooled laser welder rifle head, its water-cooling connecting pipe and the tracheal advantage of protection gas that has the handheld water-cooled welder rifle head of protection.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a handheld water-cooled laser welder rifle head, includes the welding gun head, the welding gun head includes the rifle mouth of front end, the rifle body in the middle of and connects the protective sleeve at rifle body rear end, the internal water-cooling circulation cavity that is provided with of rifle, be equipped with cooling inlet tube, cooling outlet pipe and protection trachea in the protective sleeve, cooling inlet tube and cooling outlet pipe communicate water-cooling circulation cavity from the rear end of the rifle body, the through-hole that supplies protection trachea to wear out is seted up to the lateral wall of protective sleeve, the one end of protection trachea is worn out and is connected in one side of rifle mouth in the through-hole, and the rear end that belongs to protective sleeve is connected with the ripple protection tube, the one end that cavity was kept away from to cooling inlet tube, cooling outlet pipe and protection trachea is settled in.

Through adopting above-mentioned technical scheme, the cooling inlet tube is connected in the rear end of the rifle body with cooling outlet pipe, protection trachea connection is in rifle mouth one side, the cooling inlet tube, the cooling outlet tube is all connected with protection trachea's the other end and is settled in the ripple protection tube, set up protective sleeve between ripple protection tube and the rifle body, make the cooling inlet tube, cooling outlet tube and protection trachea are in protective sleeve, the cooling inlet tube, cooling outlet tube and its junction can not expose, can not touch in the course of the work, can play the effect of protection, one side that is connected to the rifle mouth is worn out from the through-hole to protection trachea's one end, protective sleeve also can play the guard action to protection trachea, thereby have the water-cooling connecting pipe of the handheld water-cooled welder rifle head of protection and protection trachea's advantage.

The utility model discloses further set up to: the protective sleeve comprises a front sleeve and a rear sleeve, the front sleeve is in threaded connection with the side wall of the rear end of the gun body, the rear sleeve is fixedly connected with the side wall of the corrugated protective tube, and the front sleeve is in threaded connection with the rear sleeve.

Through adopting above-mentioned technical scheme, through threaded connection's mode, fix protective sleeve between the rifle body and ripple protection tube, will need to connect the water pipe and the hookup location protection at the rifle body rear end.

The utility model discloses further set up to: the side wall of the rear part of the gun body is provided with a sliding area for the front sleeve to slide, the sliding area comprises a thread section and a smooth section, and the front sleeve is in threaded connection with the thread section and can slide on the smooth section.

Through adopting above-mentioned technical scheme, when preceding sleeve and back sleeve screw thread are unpacked apart, preceding sleeve also is in the screw thread state of unpack apart with the screw thread section, and preceding sleeve can slide to smooth section, can expose the inside whole of protective case, when the bad connection of rifle body rear end is waved the water pipe and is leaked, can carry out maintenance and handle.

The utility model discloses further set up to: the inner wall of one end of the front sleeve is in threaded connection with the outer wall of the rear sleeve, a circle of raised positioning ring is arranged on the side wall of the rear sleeve, and the positioning ring is arranged between the through hole and the end face of the rear sleeve.

By adopting the technical scheme, when the front sleeve is in threaded connection with the rear sleeve, positioning is needed, and the positioning ring can limit continuous threaded rotation of the front sleeve; the through hole is used for the protective gas pipe to pass through, and the positioning ring is arranged between the through hole and the end face of the rear sleeve, so that the front sleeve can be prevented from rotating to the position of the through hole through threads.

The utility model discloses further set up to: one side of the smooth section on the gun body, which is far away from the thread section, is provided with a circle of raised limiting rings.

By adopting the technical scheme, when the front sleeve slides on the smooth section, in order to avoid the front sleeve from sliding from the gun body to the gun nozzle, the limiting ring is arranged for limiting the sliding of the front sleeve, so that the front sleeve can only slide on the smooth section.

The utility model discloses further set up to: the central point of rifle body rear end puts and is equipped with excessive connector, the central authorities of ripple protection tube pass protective sleeve and are equipped with the fiber channel who connects excessive connector.

Through adopting above-mentioned technical scheme, transition connector is a hookup location between the fibre channel in the ripple protective tube and the rifle body, plays the effect of connecting piece.

The utility model discloses further set up to: the inner wall department that the both sides of excessive connector are close to protective sleeve is equipped with cooling inlet pipe connector and cooling outlet pipe connector, cooling inlet pipe and cooling outlet pipe correspond respectively and connect in cooling inlet pipe connector and cooling outlet pipe connector department.

Through adopting above-mentioned technical scheme, excessive connector setting is in central point, and cooling inlet pipe connects and cooling outlet pipe connects can not be in a jumble between water light and the fiber channel on its side, and inlet pipe connects and cooling outlet pipe connects the interior connector of department as cooling inlet pipe and the inside hydrologic cycle cavity of cooling outlet pipe intercommunication rifle body.

The utility model discloses further set up to: and concave-convex grains are arranged on one side of the gun body close to the gun nozzle.

Through adopting above-mentioned technical scheme, when using laser welder, unsmooth line can increase handheld frictional force, but antiskid during the operation.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the protective sleeve is arranged to protect the connection position at the rear end of the gun body and the water inlet and outlet pipes;

(2) by arranging the front sleeve and the rear sleeve, the front sleeve is disassembled and slides away in a mode that the threads are detachable, so that the interior of the protective sleeve is exposed, and the maintenance and the treatment are convenient when a fault occurs;

(3) through setting up the through-hole, the protection trachea in the protective sleeve of being convenient for is worn out and is connected to the rifle mouth.

Drawings

FIG. 1 is a schematic partial cross-sectional view of the present embodiment;

fig. 2 is a schematic diagram of a prior art structure.

Reference numerals: 1. welding gun heads; 2. a gun nozzle; 3. a gun body; 4. a protective sleeve; 5. a water-cooled circulation chamber; 6. cooling the water inlet pipe; 7. cooling the water outlet pipe; 8. a protective gas pipe; 9. a through hole; 10. a corrugated protection pipe; 11. a front sleeve; 12. a rear sleeve; 13. a slippage area; 14. a threaded segment; 15. a smoothing section; 16. a positioning ring; 17. a limiting ring; 18. an over-connection head; 19. a fiber channel; 20. a cooling water inlet pipe joint; 21. a cooling water outlet pipe joint; 22. concave-convex lines; 23. the protective gas pipe joint.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

In the embodiment, as shown in fig. 1, the handheld water-cooled laser welding gun head comprises a welding gun head 1, wherein the welding gun head 1 comprises a gun nozzle 2 arranged at the front end, a gun body 3 arranged in the middle, a protective sleeve 4 in threaded connection with the rear end of the gun body 3, and a corrugated protective tube 10 connected with the rear end of the protective sleeve 4.

As shown in fig. 1, a water-cooled circulation chamber 5 is provided in the gun body 3.

As shown in fig. 1, a cooling water inlet pipe 6, a cooling water outlet pipe 7 and a protection air pipe 8 are arranged in the protective sleeve 4, and a through hole 9 for the protection air pipe 8 to penetrate out and be connected to the gun nozzle 2 is formed in the side wall of the protective sleeve 4.

As shown in fig. 1, the corrugated protection tube 10 is used to install the cooling water inlet tube 6, the cooling water outlet tube 7 and the end of the protection gas tube 8 far from the cavity.

As shown in fig. 1, the gun nozzle 2 is a laser outlet for laser welding, the gun body 3 is a handheld part, and concave-convex lines are arranged in the middle of the handheld part, so that the handheld friction force is increased, and the handheld operation is more convenient; the heat generated during the laser welding operation is taken out by a water-cooling circulation chamber 5 in the gun body 3 through a cooling water outlet pipe 7; the protective gas pipe 8 penetrates out of the through hole 9 to the gun nozzle 2, the protective gas pipe connector 23 is further arranged on the side wall of the gun nozzle 2, the protective gas pipe 8 is connected to the protective gas pipe connector 23, metal steam or liquid splashes around in the laser welding process and splashes onto a laser welding machine or even onto an operator, and the protective gas pipe 8 can be used for preventing the situation; the cooling water inlet pipe 6 and the cooling water outlet pipe 7 are used as water-cooling connecting pipes for a water-cooling circulation cavity, the normal water circulation process of the cavity needs to be ensured, the protective sleeve 4 is used for protecting the water-cooling connecting pipe at the rear end of the gun body 3 and a protective gas pipe 8 in the protective sleeve 4, and the protective sleeve 4 is arranged between the gun body 3 and the corrugated protective pipe 10 to form a closed protective space; thereby having the advantage of protecting the water-cooling connecting pipe and the protective gas pipe 8 of the handheld water-cooling welding gun head.

As shown in fig. 1, the protective sleeve is a cylindrical hollow tube, and includes a front sleeve 11 and a rear sleeve 12, the front sleeve 11 is screwed on the rear end side wall of the gun body 3, the rear sleeve 12 is fixedly connected on the side wall of the corrugated protective tube 10, the front sleeve 11 and the rear sleeve 12 are screwed, the protective sleeve 4 is configured as a detachable sleeve, in order to expose the inside of the protective sleeve 4, and it can be repaired when a fault or water leakage occurs.

Further, as shown in fig. 1, in order to make the inside of the protection sleeve 4 leak out, a sliding area 13 is arranged on the rear side wall of the gun body 3, the sliding area 13 is divided into a threaded section 14 and a smooth section 15, when the front sleeve 11 is detached from the thread of the rear sleeve 12, the inner wall of one end of the front sleeve 11, which is far away from the rear sleeve 12, is also rotated in the threaded section 14 in a threaded manner, here, a double-thread manner is adopted, so that the front sleeve 11 is more stable when being fixed, after the thread of the front sleeve 11 is detached, the front sleeve 11 can slide on the smooth section 15, after the front sleeve 11 slides and is far away from the rear sleeve 12, the inside of the protection sleeve 4 can be exposed, and maintenance can be performed when a fault or water.

Further, as shown in fig. 1, it should be noted that when the front sleeve 11 is screwed with the rear sleeve 12, an end of the front sleeve 11 far from the rear sleeve 12 is also screwed on the threaded section 14, and when the front sleeve 11 is screwed on the rear sleeve 12 and the threaded section 14, the thread starting points of the rear sleeve 12 and the threaded section 14 are the same and in the same direction.

Further, as shown in fig. 1, the front sleeve 11 may slip from the gun body 3 to the gun nozzle 2 in the process of sliding the smooth section 15, in order to avoid this situation, a circle of raised limiting ring 17 is disposed on one side of the smooth section 15 on the gun body 3 away from the threaded section 14, and the limiting ring 17 can be clamped when the front sleeve 11 slides to the gun nozzle 2, so as to avoid the sliding thereof, and play a role in limiting the sliding of the front sleeve 11.

As shown in fig. 1, the through hole 9 is disposed on the side wall of the rear sleeve 12 for the shielding gas pipe 8 to pass through, while the front sleeve 11 is screwed to the rear sleeve 12 by the inner wall of one end of the front sleeve 11 being screwed to the outer wall of one end of the rear sleeve 12, the screw connection is capable of continuously rotating, and the end face of the front sleeve 11 will abut against the shielding gas pipe 8 in the through hole 9 under the condition of continuous rotation, thereby causing damage, so to avoid this, it is necessary to dispose and position the front sleeve 11 after being screwed to the rear sleeve 12.

Further, as shown in fig. 1, a circle of raised positioning ring 16 is disposed on the side wall of the rear sleeve 12, the positioning ring 16 is located between the through hole 9 and the end surface of the rear sleeve 12, and when the end surface of the front sleeve 11 abuts against the positioning ring 16 in the process that the inner wall of the front sleeve 11 is screwed to the outer wall of the rear sleeve 12, the front sleeve 11 cannot rotate continuously and cannot abut against the protection gas pipe 8 in the through hole 9.

As shown in fig. 1, the protection sleeve 4 not only plays a role of protecting the water-cooling connection pipe and the protection gas pipe 8, but also serves as a channel for connecting the corrugated protection tube 10 with the gun body 3, an excessive connector 18 is arranged at the central position of the rear end of the gun body 3, an optical fiber channel 19 connected with the excessive connector 18 is arranged in the corrugated protection tube 10, which penetrates through the protection sleeve 4 at the center of the corrugated protection tube, and the repair can be conveniently carried out when the excessive connector 18 and the optical fiber channel 19 have faults.

Further, as shown in fig. 1, a cooling water inlet pipe joint 20 and a cooling water outlet pipe joint 21 are arranged at two sides of the transition connector 18 near the inner wall of the protective sleeve 4, the cooling water inlet pipe joint 20 is used for communicating the cooling water inlet pipe 6 with the water circulation chamber in the gun body 3, and the cooling water outlet pipe joint 21 is used for communicating the cooling water outlet pipe 7 with the water circulation chamber in the gun body 3.

The utility model discloses a working process and beneficial effect as follows: cooling inlet tube 6 and cooling outlet pipe 7 are connected in the rear end of the rifle body 3, protection trachea 8 is connected in rifle mouth 2 one side, cooling inlet tube 6, cooling outlet pipe 7 and protection trachea 8's the other end all connect settle in ripple protection tube 10, set up protective sleeve 4 between ripple protection tube 10 and the rifle body 3, make cooling inlet tube 6, cooling outlet pipe 7 and protection trachea 8 are in protective sleeve 4, cooling inlet tube 6, cooling outlet pipe 7 and its junction can not expose, can not touch in the course of the work, can play the effect of protection, one side that is connected to rifle mouth 2 is worn out from through-hole 9 to protection trachea 8 to the one end of protection trachea 8, protective sleeve 4 also can play the guard action to protection trachea 8, thereby have the water-cooling connecting pipe and the advantage of protection trachea 8 of the handheld water-cooled welder rifle head.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a handheld water-cooled laser welding gun rifle head, includes welding gun head (1), its characterized in that: the utility model discloses a welding gun, including welding gun head (1), the protective sleeve (4) of connecting at the rifle body (3) rear end of rifle mouth (2), the rifle body (3) of front end, the rifle body is provided with water-cooling circulation cavity (5) in the centre, be equipped with cooling inlet tube (6), cooling outlet pipe (7) and protection trachea (8) in protective sleeve (4), cooling inlet tube (6) and cooling outlet pipe (7) are from the rear end intercommunication water-cooling circulation cavity (5) of the rifle body (3), through-hole (9) that supply protection trachea (8) to wear out are seted up to the lateral wall of protective sleeve (4), the one end of protection trachea (8) is worn out and is connected in one side of rifle mouth (2) from through-hole (9), the rear end that belongs to protective sleeve (4) is connected with ripple protection tube (10), the one end that cavity was kept away from to cooling inlet tube (6), cooling outlet pipe (7) and protection trachea (8) is settled in ripple protection tube (10).

2. The handheld water-cooled laser welding gun head according to claim 1, characterized in that: protective sleeve (4) are including preceding sleeve (11) and back sleeve (12), preceding sleeve (11) threaded connection is at the rear end lateral wall of the rifle body (3), back sleeve (12) fixed connection is at the lateral wall of ripple protection tube (10), threaded connection between preceding sleeve (11) and back sleeve (12).

3. The hand-held water-cooled laser welding gun head according to claim 2, characterized in that: the gun body (3) rear portion lateral wall is equipped with the slip region (13) that supplies preceding sleeve (11) to slide, slip region (13) are including screw thread section (14) and smooth section (15), preceding sleeve (11) threaded connection is in screw thread section (14) and can slide in smooth section (15).

4. The hand-held water-cooled laser welding gun head according to claim 2, characterized in that: the outer wall of sleeve (12) after the one end inner wall threaded connection of preceding sleeve (11), be equipped with the bellied holding ring of round (16) on the lateral wall of back sleeve (12), establish between through-hole (9) and back sleeve (12) terminal surface holding ring (16).

5. The handheld water-cooled laser welding gun head according to claim 3, characterized in that: one side of the smooth section (15) on the gun body (3) far away from the threaded section (14) is provided with a circle of raised limiting rings (17).

6. The handheld water-cooled laser welding gun head according to claim 1, characterized in that: the central point of rifle body (3) rear end puts and is equipped with excessive connector (18), the central point of ripple protection tube (10) is passed protective sleeve (4) and is equipped with fiber channel (19) of connecting excessive connector (18).

7. The handheld water-cooled laser welding gun head according to claim 6, characterized in that: the inner wall department that the both sides of excessive connector (18) are close to protective sleeve (4) is equipped with cooling inlet pipe connector (20) and cooling outlet pipe connector (21), cooling inlet pipe (6) and cooling outlet pipe (7) correspond respectively and connect in cooling inlet pipe connector (20) and cooling outlet pipe connector (21) department.

8. The handheld water-cooled laser welding gun head according to claim 1, characterized in that: and concave-convex grains (22) are arranged on one side of the gun body (3) close to the gun nozzle (2).