CN219526719U

CN219526719U - Metal piece welding residual stress eliminator

Info

Publication number: CN219526719U
Application number: CN202320145245.8U
Authority: CN
Inventors: 朱伟锋
Original assignee: Shanghai Fanheng Metal Products Co ltd
Current assignee: Shanghai Fanheng Metal Products Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-08-15
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a metal part welding residual stress eliminator, which belongs to the technical field of metal part stress elimination, and comprises a supporting frame and a stress eliminating mechanism, wherein the stress eliminating mechanism comprises: the device comprises a moving plate, a buffer cushion, explosive, a moving block, a limiting assembly, a driving assembly and a buffer assembly; the movable plates are positioned at the bottom side of the support frame, the buffer pads at the bottom side of the movable plates are convenient to contact with metal pieces, the two movable plates can be mutually close to or far away from each other through the driving assembly, the buffer pads can be detached and replaced, residual stress on welding seams with different lengths and different widths is convenient to eliminate, and the applicability is good; the limiting component can limit the moving track of the moving plate on the supporting frame, so that the cushion pad can be conveniently contacted with the welding line; the support frame can be kept stable in the stress eliminating process through the buffer component.

Description

Metal piece welding residual stress eliminator

Technical Field

The utility model belongs to the technical field of metal part stress relief, and particularly relates to a metal part welding residual stress eliminator.

Background

Residual stress refers to the stress that exists within the structure in the absence of an applied load. Residual stresses result from non-uniform permanent deformation of the object, such as heat treatment, surface treatment, rolling, welding, casting, etc., and because the material is somewhat subjected to localized plastic deformation during fabrication or assembly, almost all structures are subject to residual stresses; the residual stress hazard of the welding component is large, on one hand, the strength of the workpiece can be reduced, and the workpiece can generate technological defects such as deformation, cracking and the like during manufacturing; on the other hand, the size of the workpiece is changed or the mechanical properties such as fatigue strength, stress corrosion and the like are reduced in the natural release process after manufacturing, and in order to avoid the harm of residual stress on the welding part, the residual stress on the welding part needs to be subjected to stress relief treatment.

The existing metal part welding residual stress eliminator is complex in operation in the use process, can not eliminate the residual stress of welding parts on the metal part rapidly, is inconvenient to adjust the length and the shape of a root welding line rapidly, and has poor applicability.

To avoid the above-mentioned problems, it is necessary to provide a metal part welding residual stress eliminator to overcome the drawbacks of the prior art.

Disclosure of Invention

The utility model aims to provide a metal part welding residual stress eliminator which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a metal piece welding residual stress eliminator comprising a support frame and a stress relief mechanism, the stress relief mechanism comprising:

the moving plate is positioned at the bottom side of the support frame, a cushion pad is arranged on the side surface of the bottom end of the moving plate, the cushion pad is detachably connected with the moving plate, and explosive is arranged on the cushion pad; the top end of the moving plate is provided with a moving block, a limiting assembly is arranged between the moving block and the supporting frame and used for limiting the moving track of the moving block and enabling the moving block to be always connected with the supporting frame, and the moving plate, the buffer cushion, the explosive and the moving block are respectively provided with two groups which are symmetrically distributed on the bottom side of the supporting frame;

still install drive assembly between movable block and the support frame for two movable plates are close to each other and keep away from, still install buffer assembly on the support frame, buffer assembly runs through two movable plates.

As a further technical scheme of the utility model: the spacing subassembly includes:

the sliding groove is positioned at the bottom side of the support frame and is linear, a sliding block is fixedly arranged at the top end of the moving block, the sliding block is positioned at the inner side of the sliding groove and is connected with the sliding groove in a concave-convex mode, and the shape of the sliding block is T-shaped.

As a further technical scheme of the utility model: the drive assembly includes:

the rack is fixedly arranged on the side face of the moving block, the rack is in a straight line shape, a rotary rod is arranged in the middle of the supporting frame and penetrates through the supporting frame, a first rotary tooth is fixedly arranged at the bottom end of the rotary rod, and the first rotary tooth is in meshed connection with the rack;

the rotating assembly is installed on the rotary rod top and is used for driving the rotary rod to rotate on the support frame.

As a further technical scheme of the utility model: the rotating assembly includes:

the second rotary tooth, fixed mounting is in the rotary rod top outside, the second rotary tooth side is equipped with the actuating lever, the actuating lever is connected with the second rotary tooth, the support frame top outside is equipped with the motor frame, the driving piece is installed to the motor frame inboard, driving piece output and actuating lever fixed connection.

As a further technical scheme of the utility model: the cushioning assembly includes:

the buffer frame is fixedly installed at the bottom side of the support frame and penetrates through the movable plate, a buffer groove is formed in the middle of the buffer frame, a buffer plate is arranged at the inner side of the buffer groove, and an elastic piece is installed between the buffer plate and the buffer groove.

Compared with the prior art, the utility model has the following beneficial effects:

according to the metal part welding residual stress eliminator, the movable plates are positioned at the bottom side of the support frame, the buffer pads at the bottom sides of the movable plates are convenient to contact with metal parts, the two movable plates can be mutually close to or far away from each other through the driving assembly, the buffer pads can be detached and replaced, residual stress on welding seams with different lengths and different widths is conveniently eliminated, and the applicability is good; the limiting component can limit the moving track of the moving plate on the supporting frame, so that the cushion pad can be conveniently contacted with the welding line; the support frame can be kept stable in the stress eliminating process through the buffer component.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural diagram of a driving assembly in the present utility model.

Fig. 3 is a schematic structural view between a support frame and a moving plate in the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the accompanying drawings: 1-support frame, 2-movable plate, 3-buffer pad, 4-explosive, 5-movable block, 6-limit component, 61-chute, 62-slide, 7-drive component, 71-rack, 72-rotary rod, 73-first rotary tooth, 74-rotary component, 741-second rotary tooth, 742-drive rod, 743-motor frame, 744-drive, 8-buffer component, 81-buffer frame, 82-buffer slot, 83-buffer plate, 84-elastic member.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

As shown in fig. 1 to 4, in an embodiment provided by the present utility model, a metal part welding residual stress eliminator comprises a support frame 1 and a stress eliminating mechanism, wherein the stress eliminating mechanism comprises:

the moving plate 2 is positioned at the bottom side of the supporting frame 1, a cushion pad 3 is arranged on the side surface of the bottom end of the moving plate 2, the cushion pad 3 is detachably connected with the moving plate 2, and an explosive 4 is arranged on the cushion pad 3; the top end of the moving plate 2 is provided with a moving block 5, a limiting assembly 6 is arranged between the moving block 5 and the supporting frame 1 and used for limiting the moving track of the moving block 5 and enabling the moving block 5 to be always connected with the supporting frame 1, and the two moving plates 2, the buffer cushion 3, the explosive 4 and the moving block 5 are respectively arranged and are symmetrically distributed on the bottom side of the supporting frame 1 in two groups;

still install drive assembly 7 between movable block 5 and the support frame 1 for two movable plates 2 are close to each other and keep away from each other, still install buffer assembly 8 on the support frame 1, buffer assembly 8 runs through two movable plates 2.

In this embodiment, the moving plate 2 is located at the bottom side of the supporting frame 1, the cushion pad 3 at the bottom side of the moving plate 2 is convenient to contact with metal parts, the two moving plates 2 can be close to or far away from each other through the driving assembly 7, and the cushion pad 3 can be detached and replaced, so that residual stress on welding seams with different lengths and different widths can be eliminated conveniently, and the applicability is good; the limiting component 6 can limit the moving track of the moving plate 2 on the supporting frame 1, so that the cushion pad 3 can be conveniently contacted with the welding seam; the support frame 1 can be kept stable in the stress elimination process through the buffer component 8; the two movable plates 2 are vertical, and the position is conveniently adjusted through the driving assembly 7.

In one embodiment of the present utility model, referring to fig. 1 and 3, the limiting assembly 6 includes:

the sliding groove 61 is located at the bottom side of the supporting frame 1 and is linear, a sliding block 62 is fixedly installed at the top end of the moving block 5, the sliding block 62 is located at the inner side of the sliding groove 61 and is connected with the sliding groove 61 in a concave-convex mode, and the sliding block 62 is of a T shape.

In this embodiment, the sliding groove 61 is located on the supporting frame 1, the sliding groove 61 is connected with the sliding block 62 in a concave-convex manner, the sliding block 62 is T-shaped, the sliding block 62 can slide inside the sliding groove 61, limit the moving track of the moving block 5 and the moving plate 2, and keep stable in the moving process, so that the sliding block is convenient to use.

In one embodiment of the present utility model, referring to fig. 1 and 2, the driving assembly 7 includes:

the rack 71 is fixedly arranged on the side surface of the moving block 5, the rack 71 is in a linear shape, a rotary rod 72 is arranged in the middle of the supporting frame 1, the rotary rod 72 penetrates through the supporting frame 1, a first rotary tooth 73 is fixedly arranged at the bottom end of the rotary rod 72, and the first rotary tooth 73 is in meshed connection with the rack 71;

the top end of the rotating rod 72 is provided with a rotating component 74 for driving the rotating rod 72 to rotate on the support frame 1.

The rotating assembly 74 includes:

the second rotating teeth 741 are fixedly installed on the outer side of the top end of the rotating rod 72, a driving rod 742 is arranged on the side face of the second rotating teeth 741, the driving rod 742 is connected with the second rotating teeth 741, a motor frame 743 is arranged on the outer side of the top end of the supporting frame 1, a driving piece 744 is installed on the inner side of the motor frame 743, and the output end of the driving piece 744 is fixedly connected with the driving rod 742.

In this embodiment, the racks 71 are fixedly installed on the sides of the moving blocks 5, the racks 71 are linear and parallel to the bottom side of the supporting frame 1, rolling bearings are installed between the rotating rods 72 and the supporting frame 1, and the racks 71 on the two moving blocks 5 are centrally symmetrical with respect to the rotating rods 72; the first rotating teeth 73 at the bottom end of the rotating rod 72 are in meshed connection with the two racks 71, when the rotating rod 72 rotates, the first rotating teeth 73 can be conveniently realized to rotate, the two racks 71 can be simultaneously driven to perform relative movement, and further, the two moving plates 2 can be conveniently moved to be convenient to adjust; the second rotating teeth 741 are worm wheels in this embodiment, the driving rod 742 is a worm in this embodiment, the driving member 744 is a rotating motor in this embodiment, the driving rod 742 can be rotated by controlling the driving member 744, the driving rod 742 is connected with the second rotating teeth 741, the second rotating teeth 741 and the rotating rod 72 can be conveniently realized to rotate, and the position of the two moving plates 2 after moving can be effectively kept stable by self-locking of the worm wheels and the worm wheels, so that the use is convenient.

In one embodiment of the present utility model, referring to fig. 1 and 4, the buffer assembly 8 includes:

the buffer frame 81, fixed mounting is in support frame 1 downside, and runs through movable plate 2, buffer frame 81 middle part is equipped with buffer tank 82, buffer tank 82 inboard is equipped with buffer plate 83, installs elastic component 84 between buffer plate 83 and the buffer tank 82.

In this embodiment, the shape of the buffer frame 81 is a U-shape, the bottom end of the buffer frame 81 penetrates through the two moving plates 2, a plurality of elastic members 84 are uniformly distributed between the buffer plate 83 and the buffer slot 82, and the elastic members 84 are springs in this embodiment, so that buffering can be performed when the explosive 4 explodes, and the stability of the support frame 1 is further maintained, so that the use is convenient.

The working principle of the utility model is as follows:

in the utility model, firstly, the length of the cushion pad 3 is selected according to the length of the welding line, then the cushion pad 3 is arranged on the side surface of the bottom end of the movable plate 2, then the movable plate 2 is arranged outside the welding line, the driving piece 744 is controlled to realize the rotation of the driving rod 742, the rotation of the rotating rod 72 is realized through the driving rod 742 and the second rotating teeth 741, the two movable plates 2 are close to the welding line through the first rotating teeth 73 and the rack 71, and the cushion pad 3 is contacted with the welding line; the moving track of the moving plate 2 can be limited by the sliding groove 61 and the sliding block 62, so that the moving plate 2 is kept stable in the moving process.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A metal piece welding residual stress eliminator comprising a support frame and a stress eliminating mechanism, characterized in that the stress eliminating mechanism comprises:

2. The metal piece welding residual stress eliminator as recited in claim 1, wherein said limit assembly comprises:

3. The metal piece welding residual stress eliminator as in claim 1, wherein said drive assembly comprises:

4. The metal piece welding residual stress remover according to claim 3, wherein said rotating assembly comprises:

5. The metal piece welding residual stress eliminator as in claim 1, wherein said buffer assembly comprises: