CN218533274U - Annular air-cooled handheld welding gun - Google Patents
Annular air-cooled handheld welding gun Download PDFInfo
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- CN218533274U CN218533274U CN202222575681.7U CN202222575681U CN218533274U CN 218533274 U CN218533274 U CN 218533274U CN 202222575681 U CN202222575681 U CN 202222575681U CN 218533274 U CN218533274 U CN 218533274U
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Abstract
The utility model provides an annular forced air cooling hand-held type welder, it includes barrel portion, handheld portion and protective glass, wherein, can dismantle between barrel portion and the handheld portion and be connected, be provided with the export on the barrel portion, be provided with the entry on the handheld portion, be formed with continuous route between entry and the export; the protective glass is arranged on the passage and divides the passage into a first light passage and a second light passage, and light enters from the inlet and is emitted from the outlet after passing through the first light passage and the second light passage. By arranging the annular seat, at least two air vents are in mutual convection during air cooling, so that annular airflow can be formed, the annular airflow can be uniformly sprayed out from the second light path, the uniformity of the air cooling airflow is improved, the heat dissipation effect is improved, and the service life is prolonged; through setting up quick detach circle, conveniently fix annular seat, moreover can quick assembly disassembly, change the protective glass, the structure is more reasonable.
Description
Technical Field
The utility model relates to a laser welding technical field especially relates to a handheld welder of annular forced air cooling.
Background
Laser welding is already applied to various industrial processing fields, and especially laser welding has the advantages of small welding seam heat effect, attractive welding seam, high welding speed and the like compared with traditional modes such as arc welding, argon arc welding, plasma arc welding and the like.
Chinese patent publication No. CN216264045U discloses an air-cooled handheld laser welding gun, and in the actual use process, it is found that a passage is formed in sequence with an inner cavity and a gun head air outlet through an air connector, thereby realizing air cooling, however, because a circle of the gun head can generate high temperature, and through a direct air-out mode, the air flow of the circle of the gun head is not uniform, so that an annular air flow cannot be formed, the condition of relatively low air flow velocity is easy to occur, thereby the gun head cannot be well cooled, the problem of too high temperature of the gun head is easy to occur, the service life of the gun head can be reduced, and the potential safety hazard of scalding a user exists.
To overcome the defects of the prior art, the inventor finds that the basic reason is that the airflow is not uniform enough, the annular airflow cannot be formed to uniformly radiate the circumference of the gun head, the radiating effect is poor, and the service life is short.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an annular forced air cooling hand-held type welder, it can form the annular air current, has improved the radiating effect, has improved the life of rifle head moreover.
The technical scheme of the utility model is realized like this: the utility model provides an annular air-cooled handheld welding gun, which comprises a gun barrel part, a handheld part and a protective glass, wherein,
the gun tube part is detachably connected with the handheld part, an outlet is arranged on the gun tube part, an inlet is arranged on the handheld part, and a continuous passage is formed between the inlet and the outlet;
the protective glass is arranged on the passage and divides the passage into a first light passage and a second light passage, and light enters from the inlet, passes through the first light passage and the second light passage and then is emitted from the outlet;
also comprises an annular seat, a quick-release ring and a breather pipe, wherein,
the annular seat is sleeved outside the protective glasses and mutually abutted, one end of the annular seat is abutted with the gun barrel part, and the other end of the annular seat is abutted with the handheld part;
the quick-release ring is sleeved on the outer side of the annular seat to fix the gun barrel part and the handheld part;
at least two vent holes are formed in the outer wall of the annular seat, and an inner cavity is formed between the inner wall of the quick release ring and the outer wall of the annular seat;
one end of the vent pipe is connected with an air source, the other end of the vent pipe is communicated with the inner cavity, the inner cavity is communicated with one end of the vent hole, and the other end of the vent hole is communicated with the second light path.
On the basis of the above technical solution, it is preferable that the ring-shaped seat includes a convex portion and an inner portion, wherein,
the bulge part is fixed with the lining part, and one end of the bulge part, which is far away from the lining part, is abutted against the gun barrel part;
the end of the lining part far away from the bulge part is abutted against the gun barrel part, and the protective glasses are positioned in the lining part and abutted against the inner wall of the lining part.
Preferably, the annular seat further comprises a press ring, the press ring is arranged in the inner lining portion, one end of the press ring abuts against the protective glasses, and the other end of the press ring abuts against the handheld portion.
On the basis of the technical scheme, preferably, the inner wall of the quick-release ring is provided with a limiting groove, and the limiting groove is used for installing the handheld part and the quick-release ring.
Further preferably, the end face of the quick release ring, which is far away from the handheld portion, is provided with a plurality of first screw holes, and the first screw holes are internally provided with bolts for fixing the quick release ring and the annular seat.
Further preferably, the outer wall of the quick-release ring is provided with a plurality of second screw holes, and the second screw holes are internally provided with bolts for fixing the quick-release ring and the hand-held part.
On the basis of the above technical scheme, preferably, the vent pipe is arranged on the inner wall of the handheld portion and is located in the first light path.
Further preferably, the gun tube part is provided with an air inlet end, and the air inlet end is communicated with the vent tube and is used for being externally connected with an air source.
On the basis of the above technical scheme, preferably, the gun barrel part comprises a nozzle, a graduated tube and a feed screw rod, wherein,
the nozzle is fixed relative to the graduated tube and is used for light ray emission and air flow ejection;
one end of the graduated tube far away from the nozzle is abutted against the annular seat;
the wire feeding rod is arranged on the graduated tube and used for feeding wires.
On the basis of the technical scheme, preferably, a collimating lens, a reflecting mirror, a focusing lens and a swing motor are arranged in the handheld part, wherein,
the collimating lens, the reflecting mirror and the focusing lens are sequentially arranged in the first light path, and light rays sequentially pass through the collimating lens, the reflecting mirror and the focusing lens;
the swing motor is arranged in the handheld portion, and an output end of the swing motor is fixed with the reflector.
The utility model discloses an annular forced air cooling hand-held type welder has following beneficial effect for prior art:
(1) By arranging the annular seat, at least two air vents are in mutual convection during air cooling, so that annular airflow can be formed, the annular airflow can be uniformly sprayed out from the second light path, the uniformity of the air cooling airflow is improved, the heat dissipation effect is improved, and the service life is prolonged;
(2) Through setting up quick detach circle, conveniently fix annular seat, moreover can quick assembly disassembly, change the protective glass, the structure is more reasonable.
(3) Through setting up the breather pipe, the breather pipe is installed in first light route, can absorb the heat that produces in the first light route to dispel the heat to handheld portion, the person of facilitating the use is handheld.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of an annular air-cooled hand-held welding gun according to the present invention;
FIG. 2 is a bottom exploded view of the annular air-cooled hand-held welding gun of the present invention;
fig. 3 is a schematic structural view of a vent pipe in the annular air-cooled handheld welding gun of the present invention;
FIG. 4 is a cross-sectional view of the annular air-cooled hand-held welding gun of the present invention;
fig. 5 is a schematic view illustrating the assembly of the annular seat and the quick release ring of the annular air-cooled handheld welding gun according to the present invention;
FIG. 6 is an exploded view of the torch portion of the annular air-cooled hand-held welding gun of the present invention;
FIG. 7 is a schematic view of the air flow communication of the annular air-cooled hand-held welding gun of the present invention;
FIG. 8 is a schematic structural view of a ring seat of the annular air-cooled handheld welding gun of the present invention;
fig. 9 is a schematic structural view of an embodiment of the annular air-cooled handheld welding torch according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1-9, the annular air-cooled handheld welding gun of the present invention comprises a barrel portion 1, a handheld portion 2 and a protective glass 3, wherein the barrel portion 1 is detachably connected to the handheld portion 2, an outlet 10 is provided on the barrel portion 1, an inlet 20 is provided on the handheld portion 2, and a continuous passage is formed between the inlet 20 and the outlet 10; the protective glass 3 is arranged on the passage and divides the passage into a first light passage 310 and a second light passage 320, and light enters from the inlet 20, passes through the first light passage 310 and the second light passage 320 and then is emitted from the outlet 10;
the gun tube part protecting device further comprises an annular seat 4, a quick-release ring 5 and a vent pipe 6, wherein the annular seat 4 is sleeved on the outer side of the protecting mirror 3 and abutted against each other, one end of the annular seat is abutted against the gun tube part 1, and the other end of the annular seat is abutted against the handheld part 2; the quick-release ring 5 is sleeved on the outer side of the annular seat 4 to fix the gun barrel part 1 and the handheld part 2; at least two vent holes 40 are arranged on the outer wall of the annular seat 4, and an inner cavity 50 is arranged between the inner wall of the quick release ring 5 and the outer wall of the annular seat 4; one end of the vent pipe 6 is connected to an air source, the other end is communicated with the inner cavity 50, the inner cavity 50 is communicated with one end of the vent hole 40, and the other end of the vent hole 40 is communicated with the second light path 320.
Specifically, as shown in fig. 9, the optical fiber connector 8 is installed at the inlet 20, and the optical fiber plug 9 is used in cooperation, the optical fiber plug 9 is connected to the light source, and the optical fiber plug 9 can be inserted into the optical fiber connector 8, so that the light source is convenient for laser welding.
As a preferred embodiment, as shown in fig. 8, the ring-shaped seat 4 includes a protruding portion 41 and an inner lining portion 42, wherein the protruding portion 41 is fixed to the inner lining portion 42, and one end of the protruding portion 41 away from the inner lining portion 42 abuts against the barrel portion 1, specifically, a sealing gasket is disposed between the protruding portion 41 and the barrel portion 1 to ensure airtightness;
one end of the lining portion 42 remote from the boss portion 41 abuts against the barrel portion 1, and the protective glasses 3 are positioned in the lining portion 42 and abut against the inner wall of the lining portion 42.
Specifically, the inner diameter of the protruding portion 41 is smaller than the inner diameter of the lining portion 42, so that the protective glasses 3 can be conveniently mounted and can be abutted against the inner wall of the protruding portion 41, the mounting is convenient, the contact area is increased, and the stability is higher;
as a preferred embodiment, as shown in fig. 1, the ring-shaped seat 4 further includes a pressing ring 43, the pressing ring 43 is disposed in the lining portion 42, one end of the pressing ring 43 abuts against the protective mirror 3, and the other end of the pressing ring abuts against the handheld portion 2, specifically, the pressing ring 43 can play a role in limiting, so that the protective mirror 3 is attached to the protruding portion 41, the position of the protective mirror 3 is prevented from shifting, and the incident optical fiber is ensured to vertically pass through.
As a preferred embodiment, as shown in fig. 2, a limiting groove 510 is provided on the inner wall of the quick release ring 5, and the limiting groove 510 is used for mounting the hand-held part 2 and the quick release ring 5.
Specifically, be provided with the arch of cooperation spacing groove 510 on the handheld portion 2, spacing groove 510 is "L" form, and the in-process of installation, quick detach circle 5 can be rotatory handheld portion 2 relatively, can tentatively fix.
As a preferred embodiment, as shown in fig. 2, a plurality of first screw holes 520 are provided on an end surface of the quick release ring 5 away from the handle 2, and bolts for fixing the quick release ring 5 and the annular seat 4 are provided in the first screw holes 520.
Specifically, the number of the screw holes 520 is three, and the annular seat 4 is provided with corresponding reserved screw holes, so that the quick release ring 5 and the annular seat 4 can be fixed.
As a preferred embodiment, as shown in fig. 1, a plurality of second screw holes 530 are provided on an outer wall of the quick release ring 5, and bolts for fixing the quick release ring 5 and the hand-held portion 2 are provided in the second screw holes 530.
Through spacing groove 510, first screw 520, second screw 530, conveniently carry out the dismouting to quick detach circle 5, because protective glass 3 is the consumables, has made things convenient for it to change.
Specifically, the inner wall of quick detach circle 5 is provided with sealed cushion, guarantees the gas tightness between handheld portion 2 and the quick detach circle 5, can fix quick detach circle 5 and handheld portion 2 through second screw 530, uses the bolt installation, makes things convenient for the later stage to dismantle.
In a preferred embodiment, as shown in fig. 3, the air vent tube 6 is disposed on the inner wall of the handle 2 and is located in the first light path 310.
Specifically, the number of the vent pipes 6 is two, the vent pipes 6 are relatively independent, the vent pipes 6 are connected to the air source, and the two vent pipes 6 can output two air flows to enter the inner cavity 50, so that the air convection condition is better, the uniformity of the annular air flow is further improved, and the condition that one of the vent pipes cannot be used after being blocked is avoided through the two vent pipes 6;
moreover, metal materials with good heat absorption effects such as copper and the like can be adopted, so that not only is the hardness high, but also the internal heat dissipation effect of the handheld part 2 is better, and the handheld part is convenient for a user to hold.
As a preferred embodiment, as shown in FIG. 3, the barrel portion 1 is provided with an air inlet 7, and the air inlet 7 is communicated with the air pipe 6 for externally connecting with an air source.
Specifically, the air inlet end 7 is a threaded bayonet, is convenient to be connected with air supply equipment, and is convenient to use.
As a preferred embodiment, as shown in fig. 6, the barrel part 1 comprises a nozzle 11, a graduated tube 12 and a wire feeding rod 13, wherein the nozzle 11 is fixed relative to the graduated tube 12 for light emission and air flow ejection; one end of the graduated tube 12 far away from the nozzle 11 is propped against the annular seat 4; the wire feeding rod 13 is arranged on the graduated tube 12 and used for feeding wires.
Specifically, the cover is equipped with forced air cooling jack catch 14 on the graduated tube 12 to the cooperation is used and is had jack catch lock ring 15, and jack catch lock ring 15 can be fixed forced air cooling jack catch 14 and graduated tube 12, thereby can adjust the length of graduated tube 12 through jack catch lock ring 15.
As a preferred embodiment, as shown in fig. 4, a collimator lens 21, a reflective mirror 22, a focusing mirror 33 and a swing motor 34 are provided in the hand-held portion 2, wherein the collimator lens 21, the reflective mirror 22 and the focusing mirror 33 are provided in the first light path 310, the collimator lens 21, the reflective mirror 22 and the focusing mirror 33 in this order; the swing motor 34 is disposed in the hand-held portion 2, and an output end of the swing motor 34 is fixed to the mirror 22.
Specifically, the swing motor 34 rotates the reflective mirror 22 until the incident angle of the light beam is 60 °, and then the light beam passes through the collimating mirror 21, then passes through the reflective function of the reflective mirror 22, perpendicularly enters the focusing mirror 33, passes through the protective mirror 3, passes through the second light path 320, and then exits from the outlet 10.
Firstly, the hand-held part 2 is connected with an optical fiber plug 9 through an optical fiber connector 8, the optical fiber plug 9 provides a light source, the light source is sequentially connected with a collimating lens 21, a galvanometer component 22 and a focusing lens 33, and the gun barrel part 1 emits laser to be welded;
then, when in use, the barrel part 1 needs to be radiated, the air inlet end 7 is connected to an external air source, the air inlet end 7 leads air flow into the air pipe 6, the air pipe 6 is communicated with the inner cavity 50, the inner cavity 50 is communicated with one end of the air vent 40, the other end of the air vent 40 is communicated with the two light ray passages 20, and the air flow of the two opposite air vents 40 is convected to generate annular air flow, so that the annular air flow is led into the second light ray passage 320;
finally, the annular airflow is introduced into the second light path 320 and is sprayed out from the nozzle 11, the annular airflow can uniformly take away heat around the inner wall of the nozzle 11, the condition that the temperature is too high due to nonuniform airflow is avoided, the heat dissipation effect is good, and the use is convenient.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An annular air-cooled handheld welding gun comprises a gun barrel part (1), a handheld part (2) and a protective glass (3),
the gun barrel part (1) is detachably connected with the handheld part (2), an outlet (10) is formed in the gun barrel part (1), an inlet (20) is formed in the handheld part (2), and a continuous passage is formed between the inlet (20) and the outlet (10);
the protective glass (3) is arranged on the passage and divides the passage into a first light passage (310) and a second light passage (320), and light enters from the inlet (20) and is emitted from the outlet (10) after passing through the first light passage (310) and the second light passage (320);
the method is characterized in that: also comprises an annular seat (4), a quick release ring (5) and a vent pipe (6), wherein,
the annular seat (4) is sleeved on the outer side of the protective glasses (3) and mutually abutted, one end of the annular seat is abutted with the gun barrel part (1), and the other end of the annular seat is abutted with the handheld part (2);
the quick-release ring (5) is sleeved on the outer side of the annular seat (4) to fix the gun barrel part (1) and the handheld part (2);
at least two vent holes (40) are formed in the outer wall of the annular seat (4), and an inner cavity (50) is formed between the inner wall of the quick release ring (5) and the outer wall of the annular seat (4);
one end of the vent pipe (6) is connected with an air source, the other end of the vent pipe is communicated with the inner cavity (50), the inner cavity (50) is communicated with one end of the vent hole (40), and the other end of the vent hole (40) is communicated with the second light path (320).
2. The annular air-cooled handheld welding gun of claim 1, wherein: the annular seat (4) comprises a boss (41) and a lining (42), wherein,
the bulge part (41) is fixed with the lining part (42), and one end of the bulge part (41) far away from the lining part (42) is propped against the barrel part (1);
one end of the lining part (42) far away from the convex part (41) is abutted against the barrel part (1), and the protective glasses (3) are positioned in the lining part (42) and abutted against the inner wall of the lining part (42).
3. The annular air-cooled handheld welding gun of claim 2, wherein: the annular seat (4) further comprises a pressing ring (43), the pressing ring (43) is arranged in the lining portion (42), one end of the pressing ring is abutted against the protective glasses (3), and the other end of the pressing ring is abutted against the handheld portion (2).
4. The annular air-cooled handheld welding gun of claim 1, wherein: the inner wall of the quick-release ring (5) is provided with a limiting groove (510), and the limiting groove (510) is used for installing the handheld part (2) and the quick-release ring (5).
5. The annular air-cooled handheld welding gun of claim 4, wherein: the end face, far away from the handheld portion (2), of the quick release ring (5) is provided with a plurality of first screw holes (520), and bolts for fixing the quick release ring (5) and the annular base (4) are arranged in the first screw holes (520).
6. The annular air-cooled hand-held welding gun of claim 5, wherein: a plurality of second screw holes (530) are formed in the outer wall of the quick-release ring (5), and bolts for fixing the quick-release ring (5) and the handheld portion (2) are arranged in the second screw holes (530).
7. The annular air-cooled handheld welding gun of claim 1, wherein: the vent pipe (6) is arranged on the inner wall of the handheld part (2) and is positioned in the first light path (310).
8. The annular air-cooled hand-held welding gun of claim 7, wherein: an air inlet end (7) is arranged on the gun barrel part (1), and the air inlet end (7) is communicated with the vent pipe (6) and is used for being externally connected with an air source.
9. The annular air-cooled handheld welding gun of claim 1, wherein: the gun tube part (1) comprises a nozzle (11), a graduated tube (12) and a wire feeding rod (13),
the nozzle (11) is fixed relative to the graduated tube (12) and is used for emitting light and jetting airflow;
one end of the graduated tube (12) far away from the nozzle (11) is propped against the annular seat (4);
the wire feeding rod (13) is arranged on the graduated tube (12) and used for feeding wires.
10. The annular air-cooled hand-held welding gun of claim 1, wherein: a collimating lens (21), a reflecting mirror (22), a focusing lens (33) and a swing motor (34) are arranged in the hand-held part (2),
the collimating mirror (21), the reflecting mirror (22) and the focusing mirror (33) are sequentially arranged in the first light path (310), and light rays sequentially pass through the collimating mirror (21), the reflecting mirror (22) and the focusing mirror (33);
the swing motor (34) is arranged in the handheld part (2), and the output end of the swing motor (34) is fixed with the reflector (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222575681.7U CN218533274U (en) | 2022-09-28 | 2022-09-28 | Annular air-cooled handheld welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222575681.7U CN218533274U (en) | 2022-09-28 | 2022-09-28 | Annular air-cooled handheld welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218533274U true CN218533274U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222575681.7U Active CN218533274U (en) | 2022-09-28 | 2022-09-28 | Annular air-cooled handheld welding gun |
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| CN (1) | CN218533274U (en) |
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- 2022-09-28 CN CN202222575681.7U patent/CN218533274U/en active Active
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