CN218225058U

CN218225058U - Electron beam welding trial welding clamp and device for transverse welding process

Info

Publication number: CN218225058U
Application number: CN202222256938.2U
Authority: CN
Inventors: 梁宝忠; 张策; 李睿
Original assignee: Shaanxi Fast Gear Co Ltd
Current assignee: Shaanxi Fast Gear Co Ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-01-06
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses an electron beam welding trial welding fixture and equipment for a transverse welding process, which belong to the technical field of welding, wherein the trial welding fixture comprises a base, and the base is connected with a central shaft; the central shaft is connected with a central cam; the base is provided with a plurality of sliding blocks, the sliding blocks are connected with the central cam through transmission pins, and the central cam rotates to drive the sliding blocks to slide; a plurality of mounting grooves are formed in the sliding block; the mounting groove is connected with the trial welding piece. The utility model discloses can realize that a trial welding anchor clamps satisfy the requirement of multiple work piece trial welding, solve among the prior art because every kind of work piece all need design dedicated anchor clamps and special trial welding spare alone, the trial welding spare volume is great, leads to the problem that the trial welding anchor clamps commonality is low, the cost is higher, is the advanced technology in welding technology field.

Description

Electron beam welding trial welding clamp and device for transverse welding process

Technical Field

The utility model belongs to the technical field of the welding, a electron beam welding trial welding anchor clamps and equipment for horizontal welding technology is related to.

Background

In the electron beam welding process, trial welding is required to determine process parameters before formal production, and a trial welding fixture is required and trial welding materials are consumed in the process. In the traditional trial welding process, each workpiece needs to be provided with a special clamp and a special trial welding piece independently, and the cost is high.

The trial welding piece is a part used for welding in a trial welding process and aims to verify welding parameters of electron beam welding and enable the welding effect to meet specified requirements.

The pilot welding fixture is clamping equipment used for clamping a pilot welding piece in a pilot welding process, is a core component of a pilot welding process, and has the function of fixing the pilot welding piece so that a welding electron beam can normally act on the surface of the pilot welding piece.

The existing trial welding fixture and the trial welding piece need to be designed independently in order to match with production requirements, so that the trial welding fixture is low in universality, high in design cost and not beneficial to control of production cost. Therefore, a universal type trial welding fixture and a trial welding piece are needed to achieve the purpose of reducing the production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem that the commonality that different work pieces need design trial welding anchor clamps alone and the trial welding spare leads to among the prior art is low, manufacturing cost is high, provide an electron beam welding trial welding anchor clamps for horizontal welding technology, this trial welding anchor clamps can adapt to the trial welding requirement of different diameter work pieces, and then reduce the design and the manufacturing cost of trial welding anchor clamps and trial welding spare.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

the utility model provides an electron beam welding trial welding fixture for transverse welding process, which comprises a base, wherein a central shaft is connected inside the base; one end of the central shaft is connected with a central cam, and the other end of the central shaft is connected with a central cam adjusting rod; the central shaft is provided with a locking device for limiting and locking the central shaft;

the top end of the base is provided with a plurality of sliding chutes, and sliding blocks are arranged in the sliding chutes; one end of the sliding block, which is close to the central cam, is connected with a transmission pin, and the transmission pin is abutted against the central cam; and the sliding block is provided with a plurality of mounting grooves for mounting the trial welding pieces.

Preferably, the top end of the base is connected with a central gland and a plurality of sliding groove glands, and the sliding groove glands are distributed along the central gland in the radial direction and used for limiting the sliding block.

Preferably, a stop iron is connected to the top end of the central gland for absorbing the excessive electron beams.

Preferably, a groove is formed in the bottom end of the sliding block, and a pressure spring is arranged in the groove and used for keeping the sliding block to move towards the direction of the central cam all the time.

Preferably, a pressure spring baffle is arranged on the side surface of the base corresponding to the sliding groove and used for limiting the pressure spring.

Preferably, the number of the sliding grooves is 6.

Preferably, 6 mounting grooves are formed in any one sliding block.

Preferably, the locking device comprises a locking rod and a cover plate, and the cover plate is sleeved on the central shaft and is connected with the base; the locking rod penetrates through the cover plate and is abutted against the central shaft.

An electron beam welding trial welding device for a transverse welding process comprises the trial welding fixture.

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

the utility model provides an electron beam welding trial welding fixture for transverse welding process, which comprises a base, a central cam and a slide block, wherein the central cam is connected with the slide block through a driving pin; the central cam drives the sliding blocks to slide through the transmission pins when rotating, continuous gapless adjustment of the distance between the sliding blocks can be achieved, the trial welding requirements of workpieces with different diameters can be met, the universality of the trial welding fixture is improved, the cost for independently designing and manufacturing the trial welding fixture is saved, and the production cost is reduced.

Further, the utility model discloses the base upper end is equipped with spout gland and central apron for carry on spacingly to the slider, make the slider remove in the spout all the time, prevent that equipment from damaging, extension equipment practical life.

Furthermore, the stop iron is used for absorbing redundant electron beams in the welding process, so that the aim of protecting the safety of trial welding equipment and operators is fulfilled.

Furthermore, cover plate and locking lever constitute locking device for carry on spacingly to the center pin, prevent that the center pin from rotating in welding process and influencing the welding effect, and then improve welding quality.

The utility model provides a pilot welding equipment including above-mentioned pilot welding anchor clamps, this equipment can realize carrying out the pilot welding to the production work piece of different radius sizes, and the commonality is strong, and the pilot welding is with low costs, and equipment is simple, reforms transform with low costsly, convenient operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a top view of an electron beam welding trial welding jig for a cross welding process according to an embodiment of the present invention.

Fig. 2 isbase:Sub>A sectional view of an electron beam welding trial welding jig forbase:Sub>A cross welding process according to an embodiment of the present invention.

Fig. 3 is a B-B sectional view of an electron beam welding trial welding jig for a cross welding process according to an embodiment of the present invention.

Fig. 4 is a C-C sectional view of an electron beam welding trial welding jig for a cross welding process according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view of a slide block of an electron beam welding trial welding jig for a horizontal welding process according to an embodiment of the present invention.

Fig. 6 is a top view of a slide block of a universal electron beam welding trial welding fixture for a horizontal welding process according to an embodiment of the present invention.

Fig. 7 is a top view of the central cam of the electron beam welding trial welding fixture for the horizontal welding process according to the embodiment of the present invention.

Fig. 8 is a cross-sectional view of an electron beam welding trial for a cross-welding process in an embodiment of the invention.

Fig. 9 is a top view of an electron beam welding trial for a cross-welding process in an embodiment of the invention.

The device comprises a sliding block 1, a base 2, a locking rod 3, a handle 4, a pin 5, a cover plate 6, a chute gland 7, a central cam 8, a central screw 9, a central gland 10, a stop iron 11, a transmission pin 12, a compression spring 13, a compression spring baffle 14, a central cam adjusting rod 15, a connecting block 16, a central shaft 17, a chute 18, a mounting groove 19, a trial welding part 20, a groove 21, a D-transmission pin minimum center distance, an L-transmission pin maximum center distance, an H-trial welding part thickness, a B-mounting groove width and an R-trial welding part outer surface curvature radius.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships usually placed when the products of the present invention are used, the description is merely for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific direction, be constructed and operated in a specific direction, and therefore, cannot be understood as a limitation to the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "set", "mounted", "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings:

referring to fig. 1 to 6, the utility model provides an electron beam welding trial welding fixture for horizontal welding process, which comprises a base 2, a central shaft 17, a central cam 8, a slide block 1, a transmission pin 12 and a trial welding piece 20; the upper end of the base 2 is provided with a plurality of sliding grooves 18; the central shaft 17 is connected with the base 2; the central cam 8 is connected with a central shaft 17; the sliding block 1 is arranged in the sliding groove 18, and a plurality of mounting grooves 19 are formed above the sliding block 1 and used for connecting a trial welding part 20; a groove 21 is formed in the bottom end of the sliding block 1, and a pressure spring 13 is arranged in the groove 21 and used for keeping the sliding block 1 to slide towards the central cam 8 all the time; the driving pin 12 is connected to the slider 1 while interfering with the central cam 8. Preferably, the number of the slide grooves 18 is 6; the number of the mounting grooves on any one sliding block 1 is 6.

Referring to fig. 2, a pressure spring baffle 14, a central gland 10, a chute gland 6 and a locking device are arranged on the base 2, and the chute gland 6 is connected with the top end of the base 2 through a screw 9; the central gland 10 is positioned above the central cam 8 and is matched with the chute gland 6 to axially limit the slide block 1; a stop iron 11 is arranged above the central gland 10 and used for absorbing redundant electron beams in the welding process; the pressure spring baffle 14 is positioned on the side surface of the base 2 and used for limiting the pressure spring 13; the locking device is used for limiting the central shaft 17 and comprises a locking rod 3 and a cover plate 6, and the cover plate 6 is sleeved on the central shaft 17 and is connected with the base 2; the locking rod 3 passes through the cover plate 6 and is abutted with the central shaft 17; the outer end of the locking rod 3 is connected with a handle 4 through a pin 5 and is used for rotating the locking rod 3.

Referring to fig. 3, a connecting block 16 is disposed on the central shaft 17, and a central cam adjusting rod 15 is connected to the connecting block 16 for adjusting the rotation angle of the central cam 8.

When the device works, firstly, a trial welding piece 20 is placed on the mounting groove 19 at a proper position on each sliding block 1 according to the diameter value of the welding position of a workpiece; the central cam adjusting rod 15 is pulled, the central shaft 17 is driven to rotate through the connecting block 16, the central shaft 17 drives the central cam 8 to rotate, the central cam 8 drives the sliding block 1 to move radially in the sliding groove on the base 2 through the transmission pin 12, and the position of the trial welding piece 20 on the mounting groove 19 can be adjusted until the distance from the outermost side of the trial welding piece 20 to the central shaft 17 is equal to the radius of a welding part of a workpiece; in the process, the sliding block 1 automatically slides inwards due to the compression spring 13 and the compression spring baffle 14, and the locking rod 3 and the handle 4 are used for locking the central shaft 17 after being adjusted in place, so that the sliding block is fixed in position.

The utility model provides an electron beam welding trial welding equipment for horizontal welding technology, including above-mentioned trial welding anchor clamps. The device can realize the trial welding of production workpieces with different radius sizes, and has strong universality and low trial welding cost.

Referring to fig. 7 to 9, the present invention is applicable to different kinds of test welding pieces 20, the test welding piece 20 can be designed to be a block structure with a curved surface structure, and the size of the portion of the test welding piece 20 contacting with the mounting groove 19 is smaller than the width of the mounting groove 19; the thickness H of the trial welding part is greater than the maximum fusion depth required by the design of the workpiece and less than the minimum fusion depth required by the design of the workpiece; the curvature radius R of the outer surface of the trial welding part is the same as the radius of the welding part of the production workpiece; the minimum center distance D of the driving pin is the minimum distance from the driving pin 12 to the central shaft; the drive pin maximum center distance L is the maximum distance of the drive pin 12 from the center axis. This trial welding spare 20 uses with the cooperation of above-mentioned trial welding anchor clamps, can further improve the commonality of trial welding anchor clamps, reduces the design cost of trial welding anchor clamps.

To sum up, the utility model provides an electron beam welding trial welding anchor clamps and equipment has saved the development and the manufacturing cost of trial welding anchor clamps, makes the trial welding piece realize miniaturization, standardization and universalization simultaneously, reduces material consumption by a wide margin, reaches reduction in production cost's purpose.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The electron beam welding trial welding clamp for the transverse welding process is characterized by comprising a base (2), wherein a central shaft (17) is connected inside the base (2); one end of the central shaft (17) is connected with a central cam (8), and the other end of the central shaft is connected with a central cam adjusting rod (15); the central shaft (17) is provided with a locking device for limiting and locking the central shaft (17);

the top end of the base (2) is provided with a plurality of sliding chutes (18), and sliding blocks (1) are arranged in the sliding chutes (18); one end, close to the central cam (8), of the sliding block (1) is connected with a transmission pin (12), and the transmission pin (12) is abutted against the central cam (8); the sliding block (1) is provided with a plurality of mounting grooves (19) for mounting trial welding pieces (20).

2. The electron beam welding trial welding fixture for the transverse welding process according to claim 1, characterized in that a central gland (10) and a plurality of sliding groove glands (7) are connected to the top end of the base (2), and the sliding groove glands (7) are radially distributed along the central gland (10) and used for limiting the sliding block (1).

3. The electron beam welding trial welding jig for the cross welding process according to claim 2, wherein a stop iron (11) is attached to the top end of the center pressing cover (10) for absorbing the excessive electron beam.

4. The electron beam welding trial welding fixture for the transverse welding process according to claim 1, wherein a groove (21) is formed at the bottom end of the sliding block (1), and a pressure spring (13) is arranged in the groove (21) and used for keeping the sliding block (1) to move towards the central cam (8) all the time.

5. The electron beam welding trial welding fixture for the transverse welding process according to claim 4, wherein a pressure spring baffle (14) is arranged on the side surface of the base (2) corresponding to the sliding groove (18) and used for limiting the pressure spring (13).

6. The electron beam welding trial welding jig for the cross welding process according to claim 1, wherein the number of the slide grooves (18) is set to 6.

7. The electron beam welding trial welding jig for the transverse welding process according to claim 1, wherein 6 mounting grooves (19) are provided on any one of the sliders (1).

8. The electron beam welding trial welding fixture for the cross welding process according to any one of claims 1 to 7, wherein the locking device comprises a locking rod (3) and a cover plate (6), the cover plate (6) is sleeved on the central shaft (17) and is connected with the base (2); the locking rod (3) penetrates through the cover plate (6) and is abutted against the central shaft (17).

9. An electron beam welding trial welding apparatus for a cross welding process, characterized by comprising the trial welding jig of any one of claims 1 to 8.