CN110549041A - Straight seam welding machine - Google Patents
Straight seam welding machine Download PDFInfo
- Publication number
- CN110549041A CN110549041A CN201810563972.XA CN201810563972A CN110549041A CN 110549041 A CN110549041 A CN 110549041A CN 201810563972 A CN201810563972 A CN 201810563972A CN 110549041 A CN110549041 A CN 110549041A
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- China
- Prior art keywords
- centering
- welding gun
- gun assembly
- assembly
- welding machine
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0211—Carriages for supporting the welding or cutting element travelling on a guide member, e.g. rail, track
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The invention aims to provide a straight seam welding machine, which is used for welding a base metal and comprises a mandrel and a welding gun assembly, wherein the welding gun assembly is positioned above the mandrel and can move along the axial direction of the mandrel; the centering and limiting part is arranged to be aligned with the moving path of the welding gun assembly and is used for abutting against the edge to be welded of the base metal, so that the edge to be welded of the base metal is aligned with the moving path of the welding gun. Due to the fact that the centering limiting part exists and the centering limiting part is aligned with the moving path of the welding gun assembly, the base metal is placed on the mandrel, and after the edge to be welded is abutted against the centering limiting part, the edge to be welded can be aligned with the moving path of the welding gun, the manual alignment process of operators is avoided, welding efficiency is improved, and safety is improved.
Description
Technical Field
The invention relates to the field of welding, in particular to a straight seam welding machine.
Background
A Straight seam welding machine (Straight seam welding machine) is an automatic welding device which can automatically and mechanically complete a Straight seam welding of a welding workpiece. The longitudinal seam welding machine is one of automatic welding machines, can replace manpower in large quantity, greatly improves the production efficiency and the welding quality, reduces the labor cost and improves the labor environment of welding workers. For example, a large number of straight seam welding machines are used for welding the corner seam of the outer shell of a large transformer, the straight seam welding of a large cylinder, the straight seam welding of a cylinder of a solar water heater, the straight seam welding of a steel strip welding belt on a production line, the welding of H-shaped steel, the welding of a galvanized air pipe and the like.
Patent CN102233502A discloses a straight seam automatic weld machine, including the dabber, be located dabber top can be along dabber axial reciprocating motion's welder and be located the dabber both sides and be used for the fixed work piece the clamp plate. After two pieces of base materials needing to be welded together are placed on the mandrel and are pressed tightly by the pressing plate, the welding gun moves axially along the mandrel, and the two pieces of base materials are welded into a whole.
The automatic straight seam welding machine in patent CN102233502A has the disadvantages of inaccurate welding seam alignment and manual adjustment, that is, the positions of two base materials on the upper surface of the mandrel need to be manually adjusted in the working process, so that the edges to be welded of the two base materials are aligned with the moving path of the welding gun, which reduces the welding efficiency and also easily causes accidents.
Disclosure of Invention
The invention aims to provide a straight seam welding machine, which can improve welding efficiency.
The straight seam welding machine is used for welding base metal and comprises a mandrel and a welding gun assembly, wherein the welding gun assembly is positioned above the mandrel and can move along the axial direction of the mandrel; the centering and limiting part is arranged to be capable of being aligned with the moving path of the welding gun assembly and is used for abutting against the edge to be welded of the base metal, so that the edge to be welded of the base metal is aligned with the moving path of the welding gun assembly.
The straight seam welding machine is further characterized in that the centering and limiting part is provided with a limiting surface, and the limiting surface is used for abutting against the edge to be welded of the base material, so that the edge to be welded of the base material is aligned with the moving path of the welding gun assembly.
The straight seam welding machine is further characterized in that the centering limit part is also provided with a centering surface which is arranged opposite to the limit surface, and the centering surface is used for aligning with the moving path of the welding gun assembly.
The straight seam welding machine is further characterized in that the number of the centering limit pieces is multiple, and the centering limit pieces are arranged on a moving path of the welding gun assembly and are separated from each other; the centering limit pieces are respectively used for abutting against the edge to be welded of the base metal, so that the edge to be welded of the base metal is aligned with the moving path of the welding gun assembly.
The straight seam welding machine is further characterized in that the centering and limiting assembly further comprises a four-bar mechanism and a driving assembly, wherein the four-bar mechanism comprises a base, a first supporting rod, a second supporting rod and a connecting rod; two ends of the first supporting rod are respectively pivoted with the connecting rod and the base, and two ends of the second supporting rod are respectively pivoted with the connecting rod and the base to form the four-bar mechanism; one end of the connecting rod is fixedly connected with the centering limiting part, and the driving assembly is used for driving the four-bar linkage mechanism to swing, so that the connecting rod drives the centering limiting part to move.
The longitudinal welding machine is further characterized in that the connecting rod comprises a rod body and a connecting part, the rod body is respectively pivoted with the first supporting rod and the second supporting rod, and the connecting part is fixedly connected with the centering limit piece; the connecting part and the rod body form a set angle, so that the centering limit part can be perpendicular to the upper surface of the mandrel.
The longitudinal welding machine is further characterized in that the upper surface of the mandrel is provided with a first mark aligned with the moving path of the welding gun assembly, and the centering limit part is arranged to be aligned with the first mark so as to be aligned with the moving path of the welding gun assembly.
The straight seam welding machine is further characterized in that a second mark is arranged on the centering and limiting part and used for aligning with the first mark, so that the centering and limiting part is aligned with a moving path of the welding gun assembly.
The straight seam welding machine is further characterized in that the centering and limiting assembly further comprises a support and a base, and the driving assembly comprises a cylinder body and a piston rod; the cylinder body is pivotally connected with one end of the support, the other end of the support is connected to the base, and the piston rod is pivotally connected with the four-bar linkage; the base of the four-bar linkage is supported on an inclined surface of the base.
The straight seam welding machine is further characterized in that the straight seam welding machine also comprises a slide rail; the slide rail is fixedly arranged on the base and is arranged along the moving path of the welding gun assembly; the other end of the support is connected with the sliding rail in a sliding fit mode.
The positive progress effects of the invention are as follows: the invention provides a straight seam welding machine, which is used for welding a base metal and comprises a mandrel and a welding gun assembly, wherein the welding gun assembly is positioned above the mandrel and can move along the axial direction of the mandrel; the centering and limiting part is arranged to be aligned with the moving path of the welding gun assembly and is used for abutting against the edge to be welded of the base metal, so that the edge to be welded of the base metal is aligned with the moving path of the welding gun.
Due to the fact that the centering limiting part exists and the centering limiting part is aligned with the moving path of the welding gun assembly, the base metal is placed on the mandrel, and after the edge to be welded is abutted against the centering limiting part, the edge to be welded can be aligned with the moving path of the welding gun, the manual alignment process of operators is avoided, welding efficiency is improved, and safety is improved.
Drawings
the above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a longitudinal welding machine according to the present invention;
FIG. 2 is a side view of the longitudinal welding machine of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of the sliding connection between the bracket and the slide rail according to the present invention;
FIG. 5 is a schematic view of a torch assembly according to the present invention;
FIG. 6 is a top view of the longitudinal welding machine of the present invention showing the centering and limiting assembly;
FIG. 7 is a schematic top view of the centering and limiting member of the present invention abutting against the base material, wherein the centering and limiting member is a single long limiting plate aligned with the moving path of the welding gun assembly;
FIG. 8 is a schematic top view of the centering and limiting member abutting against the base material according to the present invention, wherein the centering and limiting member is two limiting posts respectively aligned with the moving path of the welding gun assembly;
FIG. 9 is a schematic top view of the centering and limiting member of the present invention abutting against the base material, wherein the centering and limiting member is two shorter limiting plates, which are aligned with the moving path of the welding gun assembly respectively;
Fig. 10 is a schematic view of the centering and limiting member of the present invention, showing the limiting surface and the centering surface.
Detailed Description
The present invention is further described in the following description with reference to specific embodiments and the accompanying drawings, wherein the details are set forth in order to provide a thorough understanding of the present invention, but it is apparent that the present invention can be embodied in many other forms different from those described herein, and it will be readily appreciated by those skilled in the art that the present invention can be implemented in many different forms without departing from the spirit and scope of the invention.
the following discloses embodiments or examples of various implementations of the subject technology. Specific examples of components and arrangements are described below to simplify the present disclosure, but these are merely examples and do not limit the scope of the invention. For example, if a first feature is formed over or on a second feature described later in the specification, this may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features are formed between the first and second features, such that the first and second features may not be in direct contact. Additionally, reference numerals and/or letters may be repeated among the various examples throughout this disclosure. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. Further, when a first element is described as being coupled or coupled to a second element, the description includes embodiments in which the first and second elements are directly coupled or coupled to each other, as well as embodiments in which one or more additional intervening elements are added to indirectly couple or couple the first and second elements to each other.
it should be noted that fig. 1-10 are exemplary only, are not drawn to scale, and should not be construed as limiting the scope of the invention as actually claimed.
fig. 1 shows a longitudinal welding machine 900 according to an embodiment of the present invention, which is used for welding a base material 800 (shown in fig. 7, 8, and 9), and includes a mandrel 1 and a welding torch assembly 2, wherein the welding torch assembly 2 is located above the mandrel 1 and can move in the axial direction of the mandrel 1. The movement path of the welding gun assembly 2 is not shown in fig. 1, and the movement path 6 is shown in fig. 2 and 3.
With continued reference to fig. 1, 2, 7, 8, 9, the parent material 800 may be fed into a straight seam welder 900 in a direction perpendicular to the plane of the paper and placed on the mandrel 1. The straight seam welding machine 900 comprises two pressing mechanisms 5, and the pressing mechanisms 5 can be piano type pressing mechanisms and are respectively arranged on two sides of the mandrel 1. When the base material 800 is put in place, the pressing mechanism 5 presses the base material 800 on the mandrel 1.
the base material 800 is put in place, that is, the edge to be welded of the base material 800 is aligned with the moving path of the welding gun assembly 2, so that the accuracy of the welding position can be ensured. In a comparative example, the process of placing the base material 800 in place is performed by manual adjustment of an operator, which greatly affects welding efficiency and also easily causes an accident.
In order to place the parent metal 800 in place, in one embodiment of the present invention, the longitudinal welding machine 900 further includes a centering and limiting assembly 3, and the centering and limiting assembly 3 includes a centering and limiting member 30; the centering stopper 30 is provided to be aligned with the moving path of the welding gun assembly 2 and to abut against the edge to be welded of the base metal 800, thereby aligning the edge to be welded of the base metal 800 with the moving path of the welding gun assembly 2.
the embodiments of aligning the centering-limiting member 30 with the moving path of the welding gun assembly 2 include various embodiments, for example, the spatial coordinates of the centering-limiting member 30 may be aligned with the spatial coordinates of the moving path of the welding gun assembly 2 by introducing a spatial coordinate system.
In another embodiment, referring to fig. 6, 7, 8, 9, the path of travel of the welding gun assembly 2 is shown by the first mark s provided on the upper surface of the mandrel 1 at the projected position of the mandrel 1. The first mark s is a broken line in fig. 6, 7, 8, and 9, and may be in other forms as long as the moving path of the welding gun assembly 2 is shown. When the centering-limiting member 30 is aligned with the first mark s, the centering-limiting member 30 is considered to be aligned with the moving path of the welding gun assembly 2. In this way, when the edge to be welded of the base material 800 abuts against the centering stopper 30, the edge to be welded is also aligned with the moving path of the welding gun assembly 2.
It should be noted that in fig. 7, 8 and 9, in order to achieve the effect of clarity, the edge to be welded of the base material 800 is not in contact with the centering and limiting member 30, but in implementing the technical solution of the present invention, the edge to be welded of the base material 800 should abut against the centering and limiting member 30. The centering and limiting element 30 can therefore achieve the technical effect of centering and limiting.
With continued reference to fig. 6, the alignment of the centering and limiting member 30 with the first mark s includes setting a second mark m on the centering and limiting member 30, where the second mark m is used for aligning with the first mark s, so that the centering and limiting member 30 is aligned with the first mark s and further aligned with the moving path of the welding gun assembly 2.
With continued reference to fig. 6, 7, 8, and 9, embodiments of the centering stop 30 include a variety. As shown in fig. 6, 7 and 9, the centering and limiting member 30 is composed of one or more limiting plates. In these embodiments, the centering-limiting member 30 has a limiting surface 30a, and the limiting surface 30a is used for abutting against the edge to be welded of the parent metal 800, so that the edge to be welded of the parent metal 800 is aligned with the moving path of the welding gun assembly 2.
As shown in fig. 8, the centering stopper 30 may be not plate-shaped but columnar. In the embodiment shown in fig. 8, the number of the centering limiters 30 is two, specifically two limiting posts. The spacing post has a circular cross section. A plurality of centering stoppers 30 are provided so as to be able to be located on the moving path of the welding gun assembly 2 and to be separated from each other; the centering stoppers 30 are each adapted to abut against an edge to be welded of the base material 800, thereby aligning the edge to be welded of the base material 800 with a moving path of the welding gun assembly 2.
Comparing the embodiments of fig. 7 and 9, it can be seen that, in fig. 7, the centering-limiting member 30 may be a longer one-piece limiting plate, and in fig. 9, the centering-limiting member 30 may be two end limiting plates.
The plate-shaped centering and limiting member 30 can be aligned with the moving path of the welding gun assembly 2 by aligning the center line thereof with the first mark s, but this embodiment does not easily detect the alignment effect. In another embodiment, as shown in fig. 6 and 10, the plate-shaped centering and limiting member 30 further has a centering surface 30b disposed opposite to the limiting surface 30a, the centering surface 30b is used for aligning with the moving path of the welding gun assembly 2, and the second mark m may be disposed at the edge of the centering surface 30 b.
It should be noted that the thickness of the centering and limiting member 30 can be made thinner, so that the edge to be welded of the base material 800 and the centering and limiting member 30 can be closer to coincide with the projection of the moving path of the welding gun assembly 2 on the mandrel 1 after abutting against each other. Further, even if the edge to be welded of the base material 800 does not completely coincide with the projection of the movement path of the welding gun assembly 2 on the mandrel 1 after the base material 800 abuts against the centering stopper 30, since the extending direction of the edge to be welded of the base material 800 is the same as the movement direction of the welding gun assembly 2, the edge to be welded of the base material 800 can be considered to be located at a position aligned with the movement path of the welding gun assembly 2.
The structure of the centering stop assembly 3 will be described further below.
With continued reference to fig. 1, the centering and limiting assembly 3 further comprises a four-bar linkage 31 and a driving assembly 32, wherein the four-bar linkage 31 comprises a base 310, a first supporting rod 311, a second supporting rod 312 and a connecting rod 313; two ends of the first supporting rod 311 are respectively pivoted with the connecting rod 313 and the base 310, and two ends of the second supporting rod 312 are respectively pivoted with the connecting rod 313 and the base 310 to form a four-bar linkage 31; one end of the connecting rod 313 is fixedly connected to the centering and limiting member 30, and the driving assembly 32 is used for driving the four-bar linkage 31 to swing, so that the connecting rod 313 drives the centering and limiting member 30 to move.
optionally, the first strut 311 and the second strut 312 are the same length and are disposed parallel to each other. The connecting rod 313 includes a rod body 313a and a connecting portion 313b, the rod body 313a is pivotally connected to the first supporting rod 311 and the second supporting rod 312 respectively, and the connecting portion 313b is fixedly connected to the centering-limiting member 30; the connection portion 313b is at a set angle with the rod body 313a so that the centering and limiting member 30 can be perpendicular to the upper surface of the mandrel 1. The lever body 313a and the base 310 are disposed parallel to each other.
The centering and limiting assembly 3 further comprises a bracket 33 and a base 34, and the driving assembly 32 comprises a cylinder body 320 and a piston rod 321; the cylinder block 320 is pivotally connected to one end of the bracket 33, the other end of the bracket 33 is connected to the base 34, and the piston rod 321 is pivotally connected to the four-bar linkage 31; the base 310 of the four-bar linkage 31 is supported on the inclined surface 34a of the base 34. The base 34 has a trapezoidal cross section, and the outer surface of the base 34 where the oblique side of the trapezoidal cross section is located is the inclined surface 34a of the base 34.
Referring to fig. 2, 3 and 4, the longitudinal welding machine 900 further includes a slide rail 4; the slide rail 4 is fixedly arranged on the base 34 and is arranged along the moving path of the welding gun assembly 2; the other end of the bracket 33 is slidably connected with the slide rail 4 in a matching manner. In the embodiment shown in fig. 1 and 2, the number of the centering and limiting members 30, the four-bar linkage 31, the driving assembly 32 and the brackets 33 is two, and one of the brackets 33 is slidably disposed along the slide rail 4, so that the distance between the two centering and limiting members 30 can be adjusted, and the base materials 800 with different sizes can be adapted.
referring to fig. 5, the torch assembly 2 includes a torch head 21, a camera 22, an adjustable support 5, and a fume hood 6 integrated together. The camera 22 is used to detect whether the second mark m and the first mark s are in alignment by an image detection technique during the movement along the moving path of the welding gun assembly 2. The fume hood 6 is used for absorbing and removing gas and smoke generated in the welding process.
the operation of the longitudinal welding machine 900 in the embodiment of fig. 1 is as follows:
When the welding machine starts to work, the slidable bracket 33 is moved according to the length of the base material 800 to be welded, so that the distance between the two centering limit pieces 30 is proper; then, the driving assembly 32 drives the four-bar linkage 31 to swing, so as to drive the centering and limiting piece 30 to move to a position aligned with the moving path of the welding gun assembly 2; then the welding gun component 2 is air-transported for a stroke, whether the second mark m and the first mark s are in an aligned state or not is detected through the camera 22, and if the second mark m and the first mark s are not aligned, the four-bar linkage 31 is driven to swing again to enable the second mark m and the first mark s to be aligned; then, placing the base material 800 on the mandrel 1, and enabling the edge to be welded of the base material 800 to abut against the centering limiting piece 30; then, the pressing mechanism 5 presses the base material 800; then the driving component 32 drives the four-bar linkage 31 to swing, and the centering limit piece 30 is retracted; finally, the welding torch assembly 2 is moved to perform welding.
It should be noted that, when the centering and limiting member 30 moves to a position aligned with the moving path of the welding gun assembly 2, the centering and limiting member may abut against the upper surface of the mandrel 1, or may keep a certain distance from the upper surface of the mandrel 1, where the distance is determined according to the thickness of the base material 800, so as to ensure that the base material 800 abuts against the centering and limiting member 30.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make modifications and variations without departing from the spirit and scope of the present invention.
Claims (10)
1. A longitudinal welding machine for welding parent metal (800) comprises a mandrel (1) and a welding gun assembly (2), wherein the welding gun assembly (2) is positioned above the mandrel (1) and can move along the axial direction of the mandrel (1), and is characterized in that the longitudinal welding machine (900) further comprises a centering limit assembly (3), and the centering limit assembly (3) comprises a centering limit part (30);
The centering limiter (30) is provided to be capable of aligning with a moving path of the welding gun assembly (2) and to abut against an edge to be welded of the base material (800) so as to align the edge to be welded of the base material (800) with the moving path of the welding gun assembly (2).
2. The longitudinal welding machine according to claim 1, characterized in that the centering stop (30) has a stop face (30a), the stop face (30a) being intended to abut against the edge to be welded of the parent metal (800) so as to align the edge to be welded of the parent metal (800) with the path of movement of the welding gun assembly (2).
3. The longitudinal welding machine according to claim 2, characterized in that the centering stop (30) also has a centering face (30b) disposed opposite the stop face (30a), the centering face (30b) being intended to be aligned with the travel path of the welding gun assembly (2).
4. The longitudinal welding machine according to claim 1, characterized in that the number of the centering stoppers (30) is plural, and a plurality of the centering stoppers (30) are provided so as to be able to be located on a moving path of the welding gun assembly (2) and to be separated from each other;
The centering limiters (30) are respectively used for abutting against the edge to be welded of the parent metal (800), so that the edge to be welded of the parent metal (800) is aligned with the moving path of the welding gun component (2).
5. The longitudinal welding machine according to claim 1, characterized in that said centring stop assembly (3) further comprises a four-bar linkage (31) and a drive assembly (32), said four-bar linkage (31) comprising a base (310), a first strut (311), a second strut (312) and a connecting rod (313);
two ends of the first supporting rod (311) are respectively pivoted with the connecting rod (313) and the base (310), and two ends of the second supporting rod (312) are respectively pivoted with the connecting rod (313) and the base (310) to form the four-bar linkage (31); one end of the connecting rod (313) is fixedly connected with the centering limiting part (30), and the driving assembly (32) is used for driving the four-bar linkage (31) to swing, so that the connecting rod (313) drives the centering limiting part (30) to move.
6. The longitudinal welding machine according to claim 5, characterized in that said connecting rod (313) comprises a rod body (313a) and a connecting portion (313b), said rod body (313a) being pivotally connected to said first support rod (311) and said second support rod (312), respectively, said connecting portion (313b) being fixedly connected to said centering limiter (30);
The connecting part (313b) and the rod body (313a) form a set angle, so that the centering and limiting part (30) can be perpendicular to the upper surface of the mandrel (1).
7. The longitudinal welding machine according to claim 1, characterized in that the upper surface of the mandrel (1) is provided with a first marking(s) aligned with the path of movement of the welding gun assembly (2), the centering stop (30) being arranged to be able to be aligned(s) with the first marking and thus with the path of movement of the welding gun assembly (2).
8. the longitudinal welding machine according to claim 7, characterized in that a second mark (m) is provided on the centering and limiting member (30), the second mark (m) being intended to be aligned with the first mark(s) so as to align the centering and limiting member (30) with the path of movement of the welding gun assembly (2).
9. The longitudinal welding machine according to claim 5, characterized in that the centring stop assembly (3) further comprises a support (33) and a base (34), the drive assembly (32) comprising a cylinder block (320) and a piston rod (321);
The cylinder body (320) is pivotally connected with one end of the bracket (33), the other end of the bracket (33) is connected with the base (34), and the piston rod (321) is pivotally connected with the four-bar linkage (31);
the base (310) of the four-bar linkage (31) is supported on an inclined surface (34a) of the base (34).
10. the longitudinal welding machine according to claim 9, characterized in that the longitudinal welding machine (900) further comprises a slide rail (4); the slide rail (4) is fixedly arranged on the base (34) and is arranged along the moving path of the welding gun assembly (2); the other end of the support (33) is connected with the sliding rail (4) in a sliding fit mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563972.XA CN110549041A (en) | 2018-06-04 | 2018-06-04 | Straight seam welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563972.XA CN110549041A (en) | 2018-06-04 | 2018-06-04 | Straight seam welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110549041A true CN110549041A (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810563972.XA Withdrawn CN110549041A (en) | 2018-06-04 | 2018-06-04 | Straight seam welding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822902A (en) * | 2020-06-01 | 2020-10-27 | 成都焊科机器人有限公司 | Oil tank straight seam welding machine |
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| CN111822902B (en) * | 2020-06-01 | 2022-05-20 | 成都焊科机器人有限公司 | Oil tank straight seam welding machine |
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