CN209936080U - Welding device - Google Patents
Welding device Download PDFInfo
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- CN209936080U CN209936080U CN201920088843.XU CN201920088843U CN209936080U CN 209936080 U CN209936080 U CN 209936080U CN 201920088843 U CN201920088843 U CN 201920088843U CN 209936080 U CN209936080 U CN 209936080U
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Abstract
The utility model provides a welding device, welding device has the controller, electric arc tracking system, left side is supported, right side is supported, the upper junction plate, lower connecting plate, left side is supported and is provided with supporting shoe one between the right branch mouth, supporting shoe two and supporting shoe three, be provided with on the supporting shoe one and support cavity two, the vertical support cavity two that passes of back clean mechanism, be provided with on the supporting shoe three and support cavity three, preceding clean mechanism is vertical to be passed and supports cavity three, the welding wire sets up in supporting cavity one, the below of supporting cavity one is provided with welding wire conveying mechanism, be provided with two cavitys of supporting shoe on the supporting shoe two, welder's middle part is through handing-over ear vertical setting in two cavitys of supporting shoe, welder's upper portion is passed through pneumatic cylinder one and is connected with. The utility model discloses profitable effect lies in realizing welding set's automatic weld, has front and back cleaning device simultaneously, has guaranteed welded effect, has strengthened the intensity of weld part.
Description
Technical Field
The utility model belongs to the technical field of the welding, concretely relates to welding set.
Background
With the development of welding engineering, the requirements on welding precision and speed are higher and higher. The automation of the welding process is the key to improve the welding quality and the welding production efficiency. The accurate arc tracking technology provides powerful support for ensuring the welding quality in the automation of the welding process. At present, trackers produced by manufacturers at home and abroad mainly aim at a single type of welding.
Disclosure of Invention
To the above problem, the utility model provides a welding set, concrete mode is as follows:
a welding device is provided with a controller, an arc tracking system, a left support 1, a right support 2, an upper connecting plate 3 and a lower connecting plate 4,
the lower part of the left support 1 is connected with a left support wheel set 5, the lower part of the right support 2 is connected with a right support wheel set 6,
The left support 1 and the right support 2 are connected through an upper connecting plate 3 and a lower connecting plate 4,
a first supporting block 9, a second supporting block 10 and a third supporting block 11 are arranged between the left support 1 and the right support 2,
the first supporting block 9 is horizontally and slidably arranged in the left cavity 7 of the left support 1, the third supporting block 11 is horizontally and slidably arranged in the right cavity 8 of the right support 2,
the second supporting block 10 is respectively connected with a first supporting connection 14 on the first supporting block 9 and a second supporting connection 15 on the third supporting block 11 through a connecting part 13,
the right sliding groove is arranged on the first support connecting part 14 and the second support connecting part 15 to enable the second support block 10 to move up and down,
a second supporting cavity 24 is arranged on the first supporting block 9, the rear cleaning mechanism 22 vertically penetrates through the second supporting cavity 24,
a third supporting cavity 25 is arranged on the third supporting block 11, the front cleaning mechanism 23 vertically penetrates through the third supporting cavity 25,
a first supporting cavity 19 is formed in the second supporting block 10, a welding wire 20 is arranged in the first supporting cavity 19, a welding wire feeding mechanism 21 is arranged below the first supporting cavity 19,
a second supporting block cavity 10.1 is formed in the second supporting block 10, the middle of the welding gun 16 is vertically arranged in the second supporting block cavity 10.1 through a cross lug, the upper part of the welding gun 16 is connected with the second supporting block 10 through a first hydraulic cylinder 17, and the welding gun 16 is connected with the welding machine
The left side of the supporting frame 12 is fixedly connected with the first supporting block 9, the right side of the supporting frame is fixedly connected with the third supporting block 11, the second supporting block 10 is connected with the supporting frame 12 through the second hydraulic cylinder 18,
the rear cleaning mechanism 22 is adjusted in height by a left pushing mechanism 29,
the front cleaning mechanism 23 is adjusted in height by the right pushing mechanism 30,
the arc tracking system comprises a current and voltage acquisition module and an input device, wherein the current and voltage acquisition module and the input device are connected with the controller.
Furthermore, the second supporting block 10 is of a rectangular structure, the four corners of the second supporting block 10 are provided with lugs 13.1, a left shaft lever 13.2 is connected between the lugs on the left side, and a right shaft lever 13.3 is connected between the lugs on the right side;
further, the rear cleaning mechanism 22 has a rear upper wheel 22.1, a rear lower wheel 22.2, a rear connecting plate 22.3 and a belt-shaped brush 22.4, the rear connecting plate 22.3 connects the rear upper wheel 22.1 and the rear lower wheel 22.2, and the belt-shaped brush 22.4 is wound on the rear upper wheel 22.1 and the rear lower wheel 22.2;
the left push plate 33 is of a cuboid structure, a through hole is formed in the middle of the left push plate, the rear cleaning mechanism 22 penetrates through the through hole, the rear cleaning mechanism 22 is connected with the left push plate 33 through a rear connecting plate 22.3, four corners of the second supporting cavity 24 are provided with left springs 35, and the rear connecting plate 22.3 is supported on the left springs 35;
further, the front cleaning mechanism 23 has a front upper wheel 23.1, a front lower wheel 23.2, a front connecting plate 23.3, a belt 23.4 and a hook 23.5, the front connecting plate 23.3 connects the front upper wheel 23.1 and the rear upper wheel 23.2, the belt 23.4 is wound on the front upper wheel 23.1 and the front lower wheel 23.2, and the right hook 23.5 is arranged on the outer side of the belt 23.4;
the right push plate 34 is of a cuboid structure, a through hole is formed in the middle of the right push plate, the front cleaning mechanism 23 penetrates through the through hole, the front cleaning mechanism 23 is connected with the right push plate 34 through a front connecting plate 23.3, right springs 36 are arranged at four corners of the supporting cavity III 25, and the front connecting plate 23.3 is supported on the right springs 36;
furthermore, the left pushing mechanism 29 is provided with a left push rod 29.1, a left shaft 29.2, a left wheel 29.3 and a left hydraulic cylinder 29.4, the left push rod 29.1 is rotatably connected with the left side of the supporting frame 12 through the left shaft 29.2, the left wheel 29.3 is in rolling contact with a left push plate 33, and the upper end of the left push rod 29.1 is connected with the supporting frame 12 through the left hydraulic cylinder 29.4; the right pushing mechanism 30 is provided with a right push rod 30.1, a right shaft 30.2, a right wheel 30.3 and a right hydraulic cylinder 30.4, the right push rod 30.1 is rotatably connected with the right side of the supporting frame 12 through the right shaft 30.2, the right wheel 30.3 is in rolling butt joint with a right push plate 34, and the upper end of the right push rod 30.1 is connected with the supporting frame 12 through the right hydraulic cylinder 30.4;
further, the left side of the first supporting block 9 is provided with a left supporting end 37, the lower part of the left supporting end 37 is provided with a left supporting wheel 26, the upper part of the left supporting end 37 is provided with a first toothed part which is matched with a left screw rod 39, the left screw rod 39 is connected with a left motor 41, and the left motor 41 drives the left screw rod 39 to rotate, so that the first supporting block 9 is driven to slide;
the right side of the third supporting block 11 is provided with a right supporting end 38, the lower part of the right supporting end 38 is provided with a right supporting wheel 27, the upper part of the right supporting end 38 is provided with a second toothed part, the second toothed part is matched with a right screw 40, the right screw 40 is connected with a right motor 42, and the right motor 42 drives the right screw 40 to rotate, so that the third supporting block 11 is driven to slide.
The utility model discloses profitable effect lies in realizing welding set's automatic weld, has front and back cleaning device simultaneously, has guaranteed welded effect, has strengthened the intensity of weld part.
Drawings
FIG. 1 is a schematic view of a partially cut-away structure of a welding device of the present invention;
FIG. 2 is a schematic view of the welding device of the present invention;
FIG. 3 is a schematic view of a partially cut-away structure of the welding device of the present invention;
FIG. 4 is a schematic structural view of a second support block;
FIG. 5 is a schematic view of the rear cleaning mechanism;
FIG. 6 is a schematic view of the front cleaning mechanism;
FIG. 7 is a schematic structural view of a left pushing mechanism;
FIG. 8 is a schematic structural view of a right pushing mechanism;
FIG. 9 is a schematic view of a left end support structure;
FIG. 10 is a schematic view of a right end support structure;
FIG. 11 is a front view of the flexible strip;
FIG. 12 is a side view of the flexible strip;
FIG. 13 is a schematic view of a soft strip breaking portion;
in the figure, a left support 1, a right support 2, an upper connecting plate 3, a lower connecting plate 4, a left support wheel set 5, a right support wheel set 6, a left cavity 7, a right cavity 8, a first support block 9, a second support block 10, a second support block cavity 10.1, a third support block 11, a support frame 12, a connecting part 13, an ear part 13.1, a left shaft rod 13.2, a right shaft rod 13.3, a first support connecting part 14, a second support connecting part 15, a welding gun 16, a first hydraulic cylinder 17, a second hydraulic cylinder 18, a first support cavity 19, a welding wire 20, a welding wire conveying mechanism 21, a rear cleaning mechanism 22, a rear upper wheel 22.1, a rear lower wheel 22.2, a rear connecting plate 22.3, a strip-shaped brush 22.4, a front cleaning mechanism 23, a front upper wheel 23.1, a front lower wheel 23.2, a front connecting plate 23.3, a strip-shaped part 23.4, a hook 23.5, a second support cavity 24, a third support cavity 25, a left support wheel 26, a right support wheel 27, a soft strip storage device 28, a soft strip body 28., The device comprises a left pushing mechanism 29, a left push rod 29.1, a left shaft 29.2, a left wheel 29.3, a left hydraulic cylinder 29.4, a right pushing mechanism 30, a right push rod 30.1, a right shaft 30.2, a right wheel 30.3, a right hydraulic cylinder 30.4, a strip discharging device 31, a waste strip box 32, a left push plate 33, a right push plate 34, a left spring 35, a right spring 36, a left supporting end 37, a left screw rod 39, a left motor 41, a right supporting end 38, a right screw rod 40 and a right motor 42.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 work belong to the protection scope of the present invention.
As shown in fig. 1-13, a welding device having a controller, an arc tracking system, a left support 1, a right support 2, an upper web 3, a lower web 4,
the lower part of the left support 1 is connected with a left support wheel set 5, the lower part of the right support 2 is connected with a right support wheel set 6,
The left support 1 and the right support 2 are connected through an upper connecting plate 3 and a lower connecting plate 4,
a first supporting block 9, a second supporting block 10 and a third supporting block 11 are arranged between the left support 1 and the right support 2,
the first supporting block 9 is horizontally and slidably arranged in the left cavity 7 of the left support 1, the third supporting block 11 is horizontally and slidably arranged in the right cavity 8 of the right support 2,
the second supporting block 10 is respectively connected with a first supporting connection 14 on the first supporting block 9 and a second supporting connection 15 on the third supporting block 11 through a connecting part 13,
the right sliding groove is arranged on the first support connecting part 14 and the second support connecting part 15 to enable the second support block 10 to move up and down,
a second supporting cavity 24 is arranged on the first supporting block 9, the rear cleaning mechanism 22 vertically penetrates through the second supporting cavity 24,
a third supporting cavity 25 is arranged on the third supporting block 11, the front cleaning mechanism 23 vertically penetrates through the third supporting cavity 25,
a first supporting cavity 19 is formed in the second supporting block 10, a welding wire 20 is arranged in the first supporting cavity 19, a welding wire feeding mechanism 21 is arranged below the first supporting cavity 19,
a second supporting block cavity 10.1 is arranged on the second supporting block 10, the middle part of the welding gun 16 is vertically arranged in the second supporting block cavity 10.1 through a connecting lug, the upper part of the welding gun 16 is connected with the second supporting block 10 through a first hydraulic cylinder 17, the welding gun 16 is connected with a welding machine (not shown in the figure),
the left side of the supporting frame 12 is fixedly connected with the first supporting block 9, the right side of the supporting frame is fixedly connected with the third supporting block 11, the second supporting block 10 is connected with the supporting frame 12 through the second hydraulic cylinder 18,
the rear cleaning mechanism 22 is adjusted in height by a left pushing mechanism 29,
the front cleaning mechanism 23 is adjusted in height by the right pushing mechanism 30,
the arc tracking system comprises a current and voltage acquisition module and an input device, wherein the current and voltage acquisition module and the input device are connected with the controller.
The second supporting block 10 is of a rectangular structure, the four corners of the second supporting block 10 are provided with lugs 13.1, a left shaft rod 13.2 is connected between the lugs on the left side, and a right shaft rod 13.3 is connected between the lugs on the right side.
The rear cleaning mechanism 22 is provided with a rear upper wheel 22.1, a rear lower wheel 22.2, a rear connecting plate 22.3 and a belt-shaped brush 22.4, the rear connecting plate 22.3 is connected with the rear upper wheel 22.1 and the rear lower wheel 22.2, and the belt-shaped brush 22.4 is wound on the rear upper wheel 22.1 and the rear lower wheel 22.2;
The front cleaning mechanism 23 is provided with a front upper wheel 23.1, a front lower wheel 23.2, a front connecting plate 23.3, a strip-shaped part 23.4 and a hook 23.5, the front connecting plate 23.3 is connected with the front upper wheel 23.1 and the rear upper wheel 23.2, the strip-shaped part 23.4 is wound on the front upper wheel 23.1 and the front lower wheel 23.2, and the hook 23.5 is arranged on the outer side of the strip-shaped part 23.4;
the right push plate 34 is a cuboid structure, a through hole is formed in the middle of the right push plate, the front cleaning mechanism 23 penetrates through the through hole, the front cleaning mechanism 23 is connected with the right push plate 34 through a front connecting plate 23.3, a right spring 36 is arranged at four corners of the supporting cavity III 25, and the front connecting plate 23.3 is supported on the right spring 36.
The left pushing mechanism 29 is provided with a left push rod 29.1, a left shaft 29.2, a left wheel 29.3 and a left hydraulic cylinder 29.4, the left push rod 29.1 is rotatably connected with the left side of the supporting frame 12 through the left shaft 29.2, the left wheel 29.3 is in rolling contact with a left push plate 33, and the upper end of the left push rod 29.1 is connected with the supporting frame 12 through the left hydraulic cylinder 29.4; the right pushing mechanism 30 is provided with a right push rod 30.1, a right shaft 30.2, a right wheel 30.3 and a right hydraulic cylinder 30.4, the right push rod 30.1 is rotatably connected with the right side of the supporting frame 12 through the right shaft 30.2, the right wheel 30.3 is in rolling butt joint with a right push plate 34, and the upper end of the right push rod 30.1 is connected with the supporting frame 12 through the right hydraulic cylinder 30.4.
The left side of the first supporting block 9 is provided with a left supporting end 37, the lower part of the left supporting end 37 is provided with a left supporting wheel 26, the upper part of the left supporting end 37 is provided with a first tooth part, the first tooth part is matched with a left screw rod 39, the left screw rod 39 is connected with a left motor 41, and the left motor 41 drives the left screw rod 39 to rotate so as to drive the first supporting block 9 to slide;
the right side of the third supporting block 11 is provided with a right supporting end 38, the lower part of the right supporting end 38 is provided with a right supporting wheel 27, the upper part of the right supporting end 38 is provided with a second toothed part, the second toothed part is matched with a right screw 40, the right screw 40 is connected with a right motor 42, and the right motor 42 drives the right screw 40 to rotate, so that the third supporting block 11 is driven to slide.
The welding device also has a soft strip storage device 28, the soft strip storage device 28 is arranged above the front cleaning mechanism 23, and the soft strip storage device 28 provides clean soft strips for the front cleaning mechanism 23.
The soft strip is provided with a soft strip body 28.1 and a soft strip connecting end 28.2 as shown in fig. 11, the front cleaning device 23 hooks the soft strip connecting end 28.2 through a hook 23.5 so as to attach the soft strip to the surface of the strip-shaped part 23.4, a soft strip breaking part 28.3 as shown in fig. 13 is arranged at the soft strip connecting end 28.2, and when the soft strip connecting end 28.2 is subjected to the breaking force of the strip discharging device 31, the soft strip breaking part 28.3 is broken so as to fall into the waste strip box 32 from the front cleaning mechanism 23.
The right pushing mechanism 30 is used for controlling the height of the front cleaning device 23, the left pushing mechanism 29 is used for controlling the height of the rear cleaning mechanism 22, the front upper wheel 23.1 can also be connected with a motor, and the motor drives the front upper wheel 23.1 to rotate; the rear upper wheel 22.1 may also be connected to a motor which is capable of driving the rear upper wheel 22.1 in rotation.
It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A welding device, characterized by: the welding device is provided with a controller, an electric arc tracking system, a left support (1), a right support (2), an upper connecting plate (3), a lower connecting plate (4), a front cleaning mechanism (23) and a rear cleaning mechanism (22),
the lower part of the left support (1) is connected with a left support wheel set (5), the lower part of the right support (2) is connected with a right support wheel set (6),
The left support (1) is connected with the right support (2) through an upper connecting plate (3) and a lower connecting plate (4),
a first supporting block (9), a second supporting block (10) and a third supporting block (11) are arranged between the left support (1) and the right support (2),
the first supporting block (9) is horizontally arranged in a left cavity (7) of the left support (1) in a sliding manner, the third supporting block (11) is horizontally arranged in a right cavity (8) of the right support (2) in a sliding manner,
the second supporting block (10) is respectively connected with a first supporting connection (14) on the first supporting block (9) and a second supporting connection (15) on the third supporting block (11) through a connecting part (13),
the first support connecting part (14) and the second support connecting part (15) are provided with a right chute which can enable the second support block (10) to move up and down,
a second supporting cavity (24) is arranged on the first supporting block (9), the rear cleaning mechanism (22) vertically penetrates through the second supporting cavity (24),
a third supporting cavity (25) is arranged on the third supporting block (11), the front cleaning mechanism (23) vertically penetrates through the third supporting cavity (25),
a first supporting cavity (19) is arranged on the second supporting block (10), a welding wire 20 is arranged in the first supporting cavity (19), a welding wire conveying mechanism (21) is arranged below the first supporting cavity (19),
a second supporting block cavity (10.1) is formed in the second supporting block (10), the middle of the welding gun (16) is vertically arranged in the second supporting block cavity (10.1) through a cross-connecting lug, the upper portion of the welding gun (16) is connected with the second supporting block (10) through a first hydraulic cylinder (17), and the welding gun (16) is connected with a welding machine
The left side of the supporting frame (12) is fixedly connected with the first supporting block (9), the right side is fixedly connected with the third supporting block (11),
the second supporting block (10) is connected with the supporting frame (12) through a second hydraulic cylinder (18),
the height of the rear cleaning mechanism (22) is adjusted by a left pushing mechanism (29),
the front cleaning mechanism (23) is adjusted in height by a right pushing mechanism (30),
the arc tracking system comprises a current and voltage acquisition module and an input device, wherein the current and voltage acquisition module and the input device are connected with the controller.
2. A welding device as defined in claim 1, wherein: the supporting block II (10) is of a rectangular structure, ears (13.1) are arranged at four corners of the supporting block II (10), a left shaft lever (13.2) is connected between the ears on the left side, and a right shaft lever (13.3) is connected between the ears on the right side.
3. A welding device as defined in claim 2, wherein: the rear cleaning mechanism (22) is provided with a rear upper wheel (22.1), a rear lower wheel (22.2), a rear connecting plate (22.3) and a belt-shaped brush (22.4), the rear connecting plate (22.3) is connected with the rear upper wheel (22.1) and the rear lower wheel (22.2), and the belt-shaped brush (22.4) is wound on the rear upper wheel (22.1) and the rear lower wheel (22.2);
left side push pedal (33) are the cuboid structure, and the middle part has the through-hole, clean mechanism (22) pass the through-hole after, and clean mechanism (22) are connected with left push pedal (33) through back connecting plate (22.3), and the four corners that supports two (24) of cavity is provided with left spring (35), back connecting plate (22.3) support on left spring (35).
4. A welding device as defined in claim 3, wherein: the front cleaning mechanism (23) is provided with a front upper wheel (23.1), a front lower wheel (23.2), a front connecting plate (23.3), a belt-shaped piece (23.4) and a hook (23.5), the front connecting plate (23.3) is connected with the front upper wheel (23.1) and the rear upper wheel (23.2), the belt-shaped piece (23.4) is wound on the front upper wheel (23.1) and the front lower wheel (23.2), and the outer side of the belt-shaped piece (23.4) is provided with the right hook (23.5);
right side push pedal (34) are the cuboid structure, and the middle part has the through-hole, preceding clean mechanism (23) pass the through-hole, and preceding clean mechanism (23) are connected with right push pedal (34) through preceding connecting plate (23.3), and the four corners that supports three (25) of cavity is provided with right spring (36), preceding connecting plate (23.3) support on right spring (36).
5. A welding device as defined in claim 4, characterized in that: the left pushing mechanism (29) is provided with a left push rod (29.1), a left shaft (29.2), a left wheel (29.3) and a left hydraulic cylinder (29.4), the left push rod (29.1) is rotatably connected with the left side of the supporting frame (12) through the left shaft (29.2), the left wheel (29.3) is in rolling abutting joint with the left push plate (33), the upper end of the left push rod (29.1) is connected with the supporting frame (12) through the left hydraulic cylinder (29.4), the right pushing mechanism (30) is provided with a right push rod (30.1), a right shaft (30.2), a right wheel (30.3) and a right hydraulic cylinder (30.4), the right push rod (30.1) is rotatably connected with the right side of the supporting frame (12) through the right shaft (30.2), the right wheel (30.3) is in rolling joint with the right push plate (34), and the upper end of the right push rod (30.1) is connected with the supporting frame (12) through the right hydraulic cylinder (30.4).
6. A welding device as defined in claim 5, characterized in that:
the left side of the first supporting block (9) is provided with a left supporting end (37), the lower part of the left supporting end (37) is provided with a left supporting wheel (26), the upper part of the left supporting end (37) is provided with a first tooth part which is matched with a left screw rod (39), the left screw rod (39) is connected with a left motor (41), and the left motor (41) drives the left screw rod (39) to rotate so as to drive the first supporting block (9) to slide;
the right side of the third supporting block (11) is provided with a right supporting end (38), the lower portion of the right supporting end (38) is provided with a right supporting wheel (27), the upper portion of the right supporting end (38) is provided with a second toothed portion, the second toothed portion is matched with a right screw rod (40), the right screw rod (40) is connected with a right motor (42), and the right motor (42) drives the right screw rod (40) to rotate so as to drive the third supporting block (11) to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920088843.XU CN209936080U (en) | 2019-01-20 | 2019-01-20 | Welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920088843.XU CN209936080U (en) | 2019-01-20 | 2019-01-20 | Welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209936080U true CN209936080U (en) | 2020-01-14 |
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ID=69121199
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920088843.XU Expired - Fee Related CN209936080U (en) | 2019-01-20 | 2019-01-20 | Welding device |
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| Country | Link |
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| CN (1) | CN209936080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590576A (en) * | 2019-01-20 | 2019-04-09 | 唐山工业职业技术学院 | A kind of welder |
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2019
- 2019-01-20 CN CN201920088843.XU patent/CN209936080U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590576A (en) * | 2019-01-20 | 2019-04-09 | 唐山工业职业技术学院 | A kind of welder |
| CN109590576B (en) * | 2019-01-20 | 2024-02-02 | 唐山工业职业技术学院 | Welding device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 Termination date: 20210120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |