CN213511476U - Oil cylinder barrel with end all-welded flange structure - Google Patents

Oil cylinder barrel with end all-welded flange structure Download PDF

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Publication number
CN213511476U
CN213511476U CN202022049760.5U CN202022049760U CN213511476U CN 213511476 U CN213511476 U CN 213511476U CN 202022049760 U CN202022049760 U CN 202022049760U CN 213511476 U CN213511476 U CN 213511476U
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Prior art keywords
flange
sheath body
connecting end
face
cylinder
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CN202022049760.5U
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孙兆勇
陈宁
孟波
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Xuzhou Jinding Hengli Hydraulic Parts Co ltd
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Xuzhou Jinding Hengli Hydraulic Parts Co ltd
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Abstract

The utility model discloses a tip all-welded formula flange structure oil cylinder section, include: a cylinder extending in a first direction, the cylinder being provided with a chamber extending in the first direction and penetrating the cylinder; the flange sheath body extends along a first direction, and a first hole part and a second hole part which sequentially extend along the first direction and penetrate through the flange sheath body are arranged in the flange sheath body; one end of the cylinder body, which is close to the flange sheath body, is provided with a first connecting end surface, and one end of the flange sheath body, which is close to the cylinder body, is provided with a second connecting end surface; the cylinder body and the flange sheath body are coaxially arranged, and the first connecting end face and the second connecting end face are oppositely attached and fixedly connected through welding beads. The oil cylinder barrel is low in precision and convenient to machine, saves materials and reduces machining cost.

Description

Oil cylinder barrel with end all-welded flange structure
Technical Field
The utility model relates to the field of mechanical equipment, especially, relate to a tip all-welded formula flange structure oil cylinder section.
Background
The oil cylinder comprises a cylinder body and a flange sheath body, wherein in the prior art, the flange sheath body is sleeved on the outer contour of the cylinder body, the flange sheath body is fixed on the outer contour of the cylinder body in a welding processing mode, and then a mounting hole is processed on the flange sheath body; however, the oil cylinder is low in precision and inconvenient to process in the processing mode, and the flange sheath body is sleeved on the outer contour of the cylinder body, so that material waste is caused, and the processing cost is increased.
Disclosure of Invention
This scheme provides an tip all welded flange structure oil cylinder section to the problem and the demand that above-mentioned improves, owing to adopted following technical characteristic and can realize above-mentioned technical purpose to bring other multinomial technological effects.
The utility model provides a tip all-welded formula flange structure oil cylinder section, include:
a cylinder extending in a first direction, the cylinder being provided with a chamber extending in the first direction and penetrating the cylinder;
the flange sheath body extends along a first direction, and a first hole part and a second hole part which sequentially extend along the first direction and penetrate through the flange sheath body are arranged in the flange sheath body;
one end of the cylinder body, which is close to the flange sheath body, is provided with a first connecting end surface, and one end of the flange sheath body, which is close to the cylinder body, is provided with a second connecting end surface;
the cylinder body and the flange sheath body are coaxially arranged, and the first connecting end face and the second connecting end face are oppositely attached and fixedly connected through welding beads.
In the technical scheme, when the cylinder body and the flange sheath body are welded, the cylinder body and the flange sheath body are coaxially and relatively fixed by using a clamping tool respectively, so that the first connecting end face and the second connecting end face are abutted, and then the cylinder body and the flange sheath body are welded by using a welding machine to form a complete oil cylinder; the oil cylinder barrel formed by the processing mode has low precision and convenient processing, saves materials and reduces the processing cost.
Additionally, according to the utility model discloses a tip all-welded formula flange structure oil cylinder section can also have following technical characteristic:
in one example of the present invention, the,
the first connecting end surface is parallel to the second connecting end surface, and the first connecting end surface is perpendicular to the first direction;
the projection of the first connecting end surface on the second connecting end surface along the first direction is coincided with the second connecting end surface.
In one example of the present invention, the,
a first half bead is formed along a circumferential direction of the first connection end surface;
a second half bead is formed along a circumferential direction of the second connection end surface;
the first half bead and the second half bead cooperate to form the bead.
In an example of the present invention, when the first connection end face and the second connection end face are bonded, the first half bead and the second half bead are symmetrically disposed with the first connection end face as a symmetry plane.
In one example of the present invention, the,
the first half bead comprises:
a first arcuate segment, the first arcuate segment having a cross-section that exhibits: starting at the first connection end face and ending in the cylinder body away from the first connection end face; wherein the first arc-shaped section is arranged along the circumferential direction of the cylinder body;
a first extension, the cross-section of which is represented by: the first arc-shaped segment starts from one end of the first arc-shaped segment, is positioned in the cylinder body, extends towards the direction of the outer contour surface of the cylinder body along a straight line, and ends at the outer contour surface of the cylinder body; wherein the first extension section is disposed along a circumferential direction of the cylinder body.
In an example of the present invention, the first extending section and the included angle between the first connecting end faces are acute angles, and the distance between the first extending section and the first connecting end faces in the first direction is close to the central axis of the cylinder body deviates from the central axis direction of the cylinder body and increases gradually.
In one example of the present invention, the,
the second half bead comprises:
a second arcuate segment, the second arcuate segment having a cross-section that exhibits: starting from the second connection end face and ending in the flange sheath body facing away from the second connection end face, wherein the second arc-shaped section is arranged along the circumferential direction of the flange sheath body;
a second extension, the cross-section of which is represented by: the second arc-shaped section is located at one end of the flange sheath body, extends towards the outer contour surface of the flange sheath body along a straight line, and ends at the outer contour surface of the flange sheath body, wherein the second extension section is arranged along the circumferential direction of the flange sheath body.
The utility model discloses an in an example, the second extend section with contained angle between the second connection terminal surface is the acute angle, just the second extend section with distance on the first direction between the second connection terminal surface is by being close to the central axis of the flange sheath body deviates from the central axis direction of the flange sheath body increases gradually.
In one example of the present invention, the,
a first chamfer is formed at the intersection of the first half bead and the outer contour surface of the cylinder body;
and a second chamfer is formed at the intersection of the second half weld bead and the outer contour surface of the flange sheath body.
In one example of the present invention, the,
the first hole part and the second hole part are coaxially arranged, and the inner diameter of the second hole part close to the second connecting end surface is the same as that of the cavity;
wherein the first hole portion and the second hole portion are provided with machining allowances in a radial direction.
The following description of the preferred embodiments of the present invention will be made in detail with reference to the accompanying drawings, so that the features and advantages of the invention can be easily understood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a schematic view of an oil cylinder barrel with an all-welded flange structure at the end according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a cylinder body according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the flange sheath body according to the embodiment of the present invention.
List of reference numerals:
an oil cylinder barrel 100;
a cylinder body 10;
a chamber 11;
a first connection end face 12;
a first half bead 13;
a first arcuate segment 131;
a first extension 132;
a first chamfer 133;
a flanged sheath body 20;
a first hole portion 21;
the second hole portion 22;
a second connection end face 23;
a second half bead 24;
a second arcuate segment 241;
a second extension 242;
a second chamfer 243;
welding bead H;
a central axis a.
Detailed Description
In order to make the technical solution of the present invention, its purpose, technical solution and advantages become clearer, the drawings of the embodiments of the present invention will be combined hereinafter, and the technical solution of the embodiments of the present invention will be clearly and completely described. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
According to the utility model discloses a tip all-welded formula flange structure oil cylinder section, as shown in fig. 1, fig. 2 and fig. 3, include:
a cylinder block 10 extending in a first direction, in which a chamber 11 extending in the first direction and penetrating through the cylinder block 10 is disposed, and one end of the cylinder block 10 adjacent to the flange sheathing body 20 has a first connection end surface 12;
a flange bushing body 20, the flange bushing body 20 extending along a first direction, and a first hole portion 21 and a second hole portion 22 sequentially extending along the first direction and penetrating the flange bushing body 20 are disposed inside the flange bushing body 20, and one end of the flange bushing body 20 close to the cylinder block 10 has a second connection end surface 23;
the cylinder body 10 and the flange sheath body 20 are coaxially arranged, and the first connecting end face 12 and the second connecting end face 23 are oppositely attached and fixedly connected through welding beads H.
Specifically, when the cylinder body 10 and the flange sheath body 20 are welded, the cylinder body 10 and the flange sheath body 20 are coaxially and relatively fixed by using a clamping tool, so that the first connecting end face 12 and the second connecting end face 23 are abutted, and then the cylinder body 10 and the flange sheath body 20 are welded by using a welding machine to form the complete oil cylinder barrel 100; the oil cylinder barrel 100 formed by the processing mode has low precision and convenient processing, saves materials and reduces the processing cost.
In one example of the present invention, the,
the first connecting end face 12 is parallel to the second connecting end face 23, and the first connecting end face 12 is perpendicular to the first direction;
the projection of the first connecting end surface 12 on the second connecting end surface 23 along the first direction coincides with the second connecting end surface 23;
therefore, the flange sheath body 20 and the oil cylinder barrel 100 can be attached to each other more conveniently, the assembly precision is high, and the assembly is more convenient.
In one example of the present invention, the,
a first half bead 13 is formed along a circumferential direction of the first connection end surface 12;
a second half bead 24 is formed along the circumferential direction of the second connection end surface 23;
said first half bead 13 and said second half bead 24 cooperate to form a bead H;
the first half bead 13 and the second half bead 24 form a complete bead H by the joint of the first connecting end surface 12 and the second connecting end surface 23, the bead H is filled with welding flux to fixedly connect the cylinder body 10 and the flange sheath body 20, and the arrangement of the bead H can facilitate the connection between the cylinder body 10 and the flange sheath body 20; preferably, the weld bead H has a U-shaped configuration.
In an example of the present invention, when the first connecting end surface 12 and the second connecting end surface 23 are attached, the first half bead 13 and the second half bead 24 are symmetrically disposed with the first connecting end surface 12 as a symmetry plane; therefore, the first half bead 13 and the second half bead 24 can be processed more conveniently, and the whole structure is more attractive and elegant.
In one example of the present invention, the,
the first half bead 13 includes:
a first arc segment 131, the cross-section of the first arc segment 131 being represented by: starting from the first connection end face 12 and ending in the cylinder 10 facing away from the first connection end face 12; wherein the first arc-shaped segment 131 is arranged along the circumferential direction of the cylinder 10;
a first extension 132, the cross section of the first extension 132 being represented by: starting from the end of the first arc-shaped segment 131 located in the cylinder body 10, extending in the direction of the outer contour surface of the cylinder body 10 along a straight line, and ending at the outer contour surface of the cylinder body 10; wherein the first extension 132 is disposed along the circumferential direction of the cylinder block 10;
preferably, the starting position of the first arc-shaped section 131 is spaced apart from the inner wall of the cylinder block 10 in the radial direction by 1/10 the wall thickness of the cylinder block 10, so that the reliability of the weld bead H can be improved, and the first half-weld bead 13 formed by the first arc-shaped section 131 and the first extension section 132 is simple in structure and convenient to process.
In an example of the present invention, an included angle between the first extending section 132 and the first connecting end surface 12, i.e. the cross section of the cylinder body 10 in the radial direction, is an acute angle, and a distance between the first extending section 132 and the first connecting end surface 12 in the first direction gradually increases from a central axis a close to the cylinder body 10 to a direction away from the central axis a of the cylinder body 10;
that is, the first extension 132 is formed in a structure such that the width of the weld bead H gradually increases from the bottom of the weld bead H to the top thereof, which makes the connection between the cylinder block 10 and the flange sheathing body 20 more reliable; as a further preference, the included angle between the first extending section 132 and the first connecting end face 12 is 2 degrees.
In one example of the present invention, the,
the second half bead 24 comprises:
a second arc segment 241, the cross-section of the second arc segment 241 being represented by: beginning at the second connecting end surface 23 and ending in the flanged sheath body 20 facing away from the second connecting end surface 23, wherein the second arc-shaped segment 241 is arranged along the circumferential direction of the flanged sheath body 20;
a second extension 242, wherein the cross section of the second extension 242 is represented by: starting from one end of the second arc-shaped segment 241 located in the flange sheath body 20, extending in a straight line to the outer contour surface direction of the flange sheath body 20, and ending at the outer contour surface of the flange sheath body 20, wherein the second extension segment 242 is arranged along the circumferential direction of the flange sheath body 20;
preferably, the starting position of the second arc-shaped segment 241 is spaced from the inner wall of the flange sheathing body 20 in the radial direction by 1/10 the wall thickness of the flange sheathing body 20, so that the reliability of the weld bead H can be improved, and the second half weld bead 24 formed by the second arc-shaped segment 241 and the second extension segment 242 is simple in structure and convenient to process.
In an example of the present invention, the second extending section 242 and the second connecting end surface 23, namely, the included angle between the radial directions of the cross section of the flange sheath body 20 is an acute angle, and the distance between the second extending section 242 and the second connecting end surface 23 in the first direction is gradually increased from the central axis a of the flange sheath body 20 to the back of the central axis a of the flange sheath body 20.
That is, the second extension 242 is formed in a structure such that the width of the weld bead H gradually increases from the bottom of the weld bead H to the top thereof, which makes the connection between the cylinder block 10 and the flange sheathing body 20 more reliable; it is further preferable that the included angle between the second extending segment 242 and the second connecting end surface 23 is 2 degrees.
In one example of the present invention, the,
a first chamfer 133 is formed at the intersection of the first half bead 13 and the outer contour surface of the cylinder body 10;
a second chamfer 243 is formed at the intersection of the second half bead 24 and the outer contour surface of the flange sheath body 20;
stress concentration at the position can be reduced by arranging the chamfer, so that the connecting structure between the cylinder body 10 and the flange sheath body 20 is higher in strength; and the chamfer angle is arranged, so that the integral structure of the welding bead H is more attractive.
In one example of the present invention, the,
the first hole part 21 and the second hole part 22 are coaxially arranged, and the inner diameter of the second hole part 22 close to the second connecting end surface 23 is the same as that of the cavity 11;
wherein the first hole portion 21 and the second hole portion 22 are provided with machining allowances in the radial direction.
That is, the inner diameter of the first hole 21 and the second hole 22 is slightly smaller than the actual size thereof, so as to provide machining allowance for subsequent machining of coaxiality, positioning size and the like of the cylinder block 10 and the flange sheath body 20; for example, after the cylinder block 10 and the flange sheath body 20 are welded, the second hole portion 22 is processed so that the inner diameter of the second hole portion 22 coincides with the inner diameter of the cavity.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The exemplary embodiment of the oil cylinder tube 100 proposed by the present invention has been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes can be made to the above specific embodiments without departing from the concept of the present invention, and various combinations of the various technical features and structures proposed by the present invention can be made without departing from the scope of the present invention, which is defined by the appended claims.

Claims (10)

1. The utility model provides an end all-welded formula flange structure oil cylinder section which characterized in that includes:
a cylinder (10), wherein the cylinder (10) extends along a first direction, and a chamber (11) which extends along the first direction and penetrates through the cylinder (10) is arranged in the cylinder (10);
a flanged sheath body (20), wherein the flanged sheath body (20) extends along a first direction, and a first hole portion (21) and a second hole portion (22) which sequentially extend along the first direction and penetrate through the flanged sheath body (20) are arranged in the flanged sheath body (20);
wherein one end of the cylinder body (10) close to the flange sheath body (20) is provided with a first connecting end surface (12), and one end of the flange sheath body (20) close to the cylinder body (10) is provided with a second connecting end surface (23);
the cylinder body (10) and the flange sheath body (20) are coaxially arranged, and the first connecting end face (12) and the second connecting end face (23) are oppositely attached and fixedly connected through welding beads (H).
2. The oil cylinder barrel with the all-welded-end flange structure according to claim 1,
the first connecting end face (12) is parallel to the second connecting end face (23), and the first connecting end face (12) is perpendicular to the first direction;
the projection of the first connection end face (12) on the second connection end face (23) along the first direction coincides with the second connection end face (23).
3. The oil cylinder barrel with the all-welded-end flange structure as claimed in claim 2,
a first half bead (13) is formed along the circumferential direction of the first connection end surface (12);
a second half bead (24) is formed along the circumferential direction of the second connection end surface (23);
said first half-bead (13) and said second half-bead (24) cooperating to form said bead (H).
4. The oil cylinder barrel with the all-welded-end flange structure as claimed in claim 3,
when the first connecting end surface (12) and the second connecting end surface (23) are attached to each other, the first half bead (13) and the second half bead (24) are symmetrically arranged with respect to the first connecting end surface (12) as a symmetry plane.
5. The oil cylinder barrel with the all-welded-end flange structure as claimed in claim 3,
the first half bead (13) comprises:
a first arc-shaped segment (131), the cross-section of the first arc-shaped segment (131) being represented by: starting from the first connection end face (12) and ending in the cylinder (10) facing away from the first connection end face (12); wherein the first arc-shaped section (131) is arranged along the circumferential direction of the cylinder (10);
a first extension (132), the first extension (132) having a cross-section that exhibits: starting from the end of the first arc-shaped section (131) located in the cylinder body (10), extending along a straight line towards the outer contour surface of the cylinder body (10) and ending at the outer contour surface of the cylinder body (10); wherein the first extension (132) is disposed along a circumferential direction of the cylinder block (10).
6. The oil cylinder barrel with the all-welded-end flange structure as claimed in claim 5,
the included angle between the first extending section (132) and the first connecting end face (12) is an acute angle, and the distance between the first extending section (132) and the first connecting end face (12) in the first direction is gradually increased in the direction of the central axis (A) which is close to the cylinder body (10) and back to the central axis (A) of the cylinder body (10).
7. The oil cylinder barrel with the all-welded-end flange structure as claimed in claim 3,
the second half bead (24) comprises:
a second arcuate segment (241), the second arcuate segment (241) having a cross-section that exhibits: starting from the second connecting end face (23) and ending in the flange sheath body (20) facing away from the second connecting end face (23), wherein the second arc-shaped segment (241) is arranged along the circumferential direction of the flange sheath body (20);
a second extension (242), the cross-section of the second extension (242) being represented by: the second arc-shaped segment (241) starts from one end of the flange sheath body (20), extends towards the outer contour surface direction of the flange sheath body (20) along a straight line, and ends at the outer contour surface of the flange sheath body (20), wherein the second extension segment (242) is arranged along the circumferential direction of the flange sheath body (20).
8. The oil cylinder barrel with the all-welded-end flange structure according to claim 7,
the second extension section (242) with contained angle between second connection terminal surface (23) is the acute angle, just second extension section (242) with distance in the first direction between second connection terminal surface (23) is by being close to the central axis (A) of flange sheath body (20) is to keeping away from the central axis (A) direction of flange sheath body (20) is crescent.
9. The oil cylinder barrel with the all-welded-end flange structure as claimed in claim 3,
a first chamfer (133) is formed at the intersection of the first half bead (13) and the outer contour surface of the cylinder body (10);
and a second chamfer 243 is formed at the intersection of the second half bead (24) and the outer contour surface of the flange sheath body (20).
10. The all-welded-end flange-structured oil cylinder barrel according to any one of claims 1 to 9,
the first hole part (21) and the second hole part (22) are coaxially arranged, and the inner diameter of the second hole part (22) close to the second connecting end surface (23) is the same as that of the cavity (11);
wherein the first hole portion (21) and the second hole portion (22) are provided with machining allowances in the radial direction.
CN202022049760.5U 2020-09-17 2020-09-17 Oil cylinder barrel with end all-welded flange structure Active CN213511476U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022049760.5U CN213511476U (en) 2020-09-17 2020-09-17 Oil cylinder barrel with end all-welded flange structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022049760.5U CN213511476U (en) 2020-09-17 2020-09-17 Oil cylinder barrel with end all-welded flange structure

Publications (1)

Publication Number Publication Date
CN213511476U true CN213511476U (en) 2021-06-22

Family

ID=76448555

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022049760.5U Active CN213511476U (en) 2020-09-17 2020-09-17 Oil cylinder barrel with end all-welded flange structure

Country Status (1)

Country Link
CN (1) CN213511476U (en)

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