CN210306410U

CN210306410U - Welding fixture

Info

Publication number: CN210306410U
Application number: CN201920611583.XU
Authority: CN
Inventors: 杨金; 黄迎春; 容琼; 王佩瑜; 韩喆
Original assignee: Wuhan Institute of Shipbuilding Technology
Current assignee: Wuhan Institute of Shipbuilding Technology
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-14
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a welding jig, including welding bench, first splint and second splint, the fixed mounting of the upper end symmetry of welding bench has first support and second support, the top of first support is rotated through first connection hinge and is installed first drive assembly, one side that first support was kept away from to first drive assembly is connected with the second splint, the top of second support is rotated through the second connection hinge and is installed second drive assembly, one side that the second support was kept away from to the second drive assembly is connected with the second splint, first stand and welding bench fixed connection are passed through to the bottom of first drive assembly, second stand and welding bench fixed connection are passed through to the bottom of second drive assembly, second drive assembly and first drive assembly's structure is the same. The utility model discloses a cylinder drive link mechanism acts on splint, and is firm with a welding centre gripping, compares in traditional mechanical fastening more stable, and the simple operation is got work efficiency height moreover, clamp.

Description

Welding fixture

Technical Field

The utility model relates to an anchor clamps equipment field especially relates to a welding jig.

Background

The welding fixture is used for ensuring the size of a weldment, improving the assembly precision and efficiency and preventing welding deformation, the fixture is important equipment for finishing welding, the fixture has the functions of clamping the weldment, reducing the welding deformation and improving the welding strength, the performance of the fixture influences the welding quality of the weldment to a great extent, the traditional welding fixture generally comprises a clamping mechanism and a supporting device, the supporting device is generally a steel plate and has a simpler structure, the main function of the fixture is to support the weldment, the clamping mechanism mainly comprises two clamping plates which are symmetrically arranged, the clamping plates mainly have the functions of clamping the weldment, reducing the welding deformation and improving the welding strength, the fixed-time operation of clamping the weldment is troublesome, the welding work efficiency is low, the traditional fixture is unstable in clamping, the weldment is easy to move in the welding engineering, and the quality of the weldment after welding is poor, the strength requirement of parts can not be met, and mechanical abrasion can be generated along with the long-time frequent use of the clamp, so that the clamping force is more and more unstable, and the normal use of the clamp is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a welding jig adopts the drive of cylinder drive mode and avoids the cylinder direct action splint, and it is firm to weld a fixed again that can be swift when having protected a welding, has promoted welded work efficiency.

According to the utility model discloses welding jig, including welding bench, first splint and second splint, the fixed mounting of the upper end symmetry of welding bench has first support and second support, the top of first support is rotated through first connection hinge and is installed first drive assembly, one side that first support was kept away from to first drive assembly is connected with first splint, the top of second support is rotated through the second connection hinge and is installed second drive assembly, one side that the second support was kept away from to the second drive assembly is connected with the second splint, first stand and welding bench fixed connection are passed through to the bottom of first drive assembly, second stand and welding bench fixed connection are passed through to the bottom of second drive assembly, second drive assembly and first drive assembly's structure is the same, and the center is located same straight line.

Preferably, first transmission assembly includes that cylinder, first connecting rod, guide arm, guide rail and second connecting rod constitute, first connecting rod and second connecting rod all rotate with the inside piston rod of cylinder through the third pivot and are connected, the other end of first connecting rod passes through the second pivot and rotates with the guide arm to be connected, the guide arm is located the guide rail inboard and rather than sliding connection, the fixed welding in top of guide rail has the fixed block, the other end of second connecting rod rotates with the fixed block through first pivot and is connected, the other end and the first splint fixed connection of guide arm, the outside of guide arm is located and is equipped with the spring between guide rail and the first splint.

Preferably, the surfaces of the second clamping plate and the first clamping plate are both adhered with rubber plates, and the surfaces of the rubber plates are of groove structures.

Preferably, the cross section of the guide rail is trapezoidal.

Preferably, the length of the second link is greater than the length of the first link.

The utility model discloses in, the symmetry set up two sets of cylinder drive assembly on the welding bench, thereby drive assembly turns into the linear motion of guide arm with the swing of cylinder and controls splint will treat that the weldment is fixed firm, the cylinder direct action has been avoided in guide arm drive splint, the effectual protection is by the welding piece, compare in traditional mechanical fastening more stable, and the simple operation, press from both sides and get work efficiency height, the spring is established to the cover between guide arm and guide rail, can turn into the potential energy of spring with the mechanical collision that produces between guide rail and the guide arm, the impact force of cylinder action has both been slowed down, can avoid the terminal and the terminal contact of guide rail of guide arm again, mechanical wear has been reduced, the effectual life who prolongs this anchor clamps equipment, whole welding jig convenient operation, can be applicable to different types of weldment of treating.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of an overall structure of a welding fixture according to the present invention;

fig. 2 is a structural diagram of a transmission assembly of a welding jig according to the present invention;

fig. 3 is a schematic view of another state structure of the transmission assembly of the welding fixture according to the present invention.

In the figure: 1. a welding table; 2. a second upright post; 3. a first upright post; 4. a first bracket; 5. a second bracket; 6. a first connecting hinge; 7. a second connecting hinge; 8. a second splint; 9. a first splint; 10. a first transmission assembly; 101. a cylinder; 102. a first link; 103. a guide bar; 104. a guide rail; 105. a spring; 106. a second link; 107. a fixed block; 108. a first shaft pin; 109. a second shaft pin; 1010. a third shaft pin; 1011. a piston rod.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, a welding fixture, comprising a welding station 1, the welding table comprises a first clamping plate 9 and a second clamping plate 8, a first support 4 and a second support 5 are symmetrically and fixedly mounted at the upper end of the welding table 1, a first transmission assembly 10 is rotatably mounted at the top of the first support 4 through a first connecting hinge 6, one side, far away from the first support 4, of the first transmission assembly 10 is connected with the first clamping plate 9, a second transmission assembly 11 is rotatably mounted at the top of the second support 5 through a second connecting hinge 7, one side, far away from the second support 5, of the second transmission assembly 11 is connected with the second clamping plate 8, the bottom of the first transmission assembly 10 is fixedly connected with the welding table 1 through a first upright post 3, the bottom of the second transmission assembly 11 is fixedly connected with the welding table 1 through a second upright post 2, the second transmission assembly 11 and the first transmission assembly 10 are identical in structure, and the centers of the second transmission assembly 11 and the first transmission assembly 10 are located on the same straight; the first transmission assembly 10 comprises an air cylinder 101, a first connecting rod 102, a guide rod 103, a guide rail 104 and a second connecting rod 106, the first connecting rod 102 and the second connecting rod 106 are rotatably connected with a piston rod 1011 inside the air cylinder 101 through a third shaft pin 1010, the other end of the first connecting rod 102 is rotatably connected with the guide rod 103 through a second shaft pin 109, the guide rod 103 is positioned inside the guide rail 104 and is in sliding connection with the guide rail 104, a fixed block 107 is fixedly welded at the top of the guide rail 104, the other end of the second connecting rod 106 is rotatably connected with the fixed block 107 through a first shaft pin 108, the other end of the guide rod 103 is fixedly connected with a first clamping plate 9, and a spring 105 is sleeved outside the guide rod 103 between the guide rail 104 and; rubber plates are adhered to the surfaces of the second clamping plate 8 and the first clamping plate 9, and the surfaces of the rubber plates are of groove structures; the cross section of the guide rail 104 is trapezoidal; the length of the second link 106 is greater than the length of the first link 102.

When the welding device works, a to-be-welded part is placed between the second clamping plate 8 and the first clamping plate 9, the first transmission assembly 10 and the second transmission assembly 11 are started, the cylinder 101 acts to enable the piston rod 1011 to extend out, the cylinder 101 swings anticlockwise under the action of the second connecting rod 106 due to the fact that the upper end of the cylinder 101 is rotatably connected with the first support 4, the piston rod 1011 acts on the first connecting rod 102, the upper end of the first connecting rod 102 swings anticlockwise along with the cylinder 101, the lower end of the first connecting rod 102 acts on the guide rod 103 to push the guide rod 103 to do linear motion in the guide rail 104, when the cylinder 101 swings to a vertical state, the stroke of the guide rod 103 reaches the maximum, the guide rod 103 moves towards the to-be-welded part in the guide rail 104, the spring 105 is compressed, the spring 105 buffers mechanical collision between the right end of the guide rod 103 and the right end face of the guide rail 104, the two sets of transmission assemblies act simultaneously to enable the guide, the rubber plates on the surfaces of the second clamping plate 8 and the first clamping plate 9 firmly fix the to-be-welded parts, and the welding work is ready to be completed.

To sum up, the symmetry set up two sets of cylinder drive assembly on the welding bench, thereby drive assembly turns into the linear motion of guide arm with the swing of cylinder and controls splint will treat that the weldment is fixed firm, cylinder direct action has been avoided in guide arm drive splint, the effectual protection is by the welding piece, compare in traditional mechanical fastening more stable, and the simple operation, it is high to press from both sides the work efficiency, the spring is established to the cover between guide arm and guide rail, can turn into the potential energy of spring with the mechanical collision that produces between guide rail and the guide arm, the impact force of cylinder action has both been slowed down, can avoid the terminal and the terminal contact of guide rail of guide arm again, mechanical wear has been reduced, the effectual life who prolongs this anchor clamps equipment, whole welding jig convenient operation, can be applicable to different kinds of weldment of treating.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A welding jig which characterized in that: including welding bench, first splint and second splint, the fixed mounting of the upper end symmetry of welding bench has first support and second support, the top of first support is rotated through first connection hinge and is installed first transmission assembly, one side that first support was kept away from to first transmission assembly is connected with first splint, the top of second support is rotated through second connection hinge and is installed second transmission assembly, one side that second support was kept away from to second transmission assembly is connected with second splint, first stand and welding bench fixed connection are passed through to the bottom of first transmission assembly, second stand and welding bench fixed connection are passed through to the bottom of second transmission assembly, second transmission assembly and first transmission assembly's structure is the same, and the center is located same straight line.

2. A welding fixture as defined in claim 1, wherein: first drive assembly includes that cylinder, first connecting rod, guide arm, guide rail and second connecting rod constitute, first connecting rod and second connecting rod all rotate with the inside piston rod of cylinder through the third pivot and are connected, the other end of first connecting rod passes through the second pivot and rotates with the guide arm to be connected, the guide arm is located the guide rail inboard and rather than sliding connection, the fixed welding in top of guide rail has the fixed block, the other end of second connecting rod rotates with the fixed block through first pivot and is connected, the other end and the first splint fixed connection of guide arm, the outside of guide arm is located and is equipped with the spring between guide rail and the first splint.

3. A welding fixture as defined in claim 1, wherein: the surface of second splint and first splint all pastes and has had the rubber slab, the rubber slab surface is the groove structure.

4. A welding fixture as defined in claim 2, wherein: the cross section of the guide rail is trapezoidal.

5. A welding fixture as defined in claim 2, wherein: the length of the second connecting rod is greater than that of the first connecting rod.