CN215698805U - Pure rhenium and rhenium alloy plate are with welding frock and electron beam welding equipment - Google Patents

Abstract

The application provides a pure rhenium and rhenium alloy board are with welding frock and electron beam welding equipment relates to welding frock technical field. The tailor-welding tool for the pure rhenium and rhenium alloy plates comprises a base, a first fixing assembly and two arc striking structures; the base is used for bearing two oppositely arranged plate pieces, wherein the plate pieces are pure rhenium or rhenium alloy plates; the first fixing assembly is arranged on the base and used for fixing the two plates on the base; two striking structures all set up in the base, and be used for respectively with the side butt of two plates, two striking structures all are located the extension line of the concatenation seam that forms between two plates, striking structure when being used for the welding striking and receive the arc. The application provides a pure rhenium and rhenium alloy board are with welding frock, striking and arc-ending when realizing two plate welding through the striking structure, and then the effectual striking and arc-ending of avoiding are unstable causes the damage to the plate, ensure the follow-up normal use of product.

Description

Pure rhenium and rhenium alloy plate are with welding frock and electron beam welding equipment

Technical Field

The application relates to the technical field of welding tools, in particular to a tailor-welding tool and an electron beam welding device for pure rhenium and rhenium alloy plates.

Background

Rhenium and rhenium alloy have high-temperature creep resistance, abrasion resistance, corrosion resistance and the like, and are widely applied to the field of electronic semiconductors. Because of the high value of rhenium alloys, rhenium or rhenium alloys are generally cut into rhenium plates or rhenium alloy plates with certain specifications and then are tailor-welded to prevent too much scrap.

In view of the high temperature oxidation of rhenium and rhenium alloys, high vacuum electron beam welding is commonly used in the prior art. However, the current of the existing welding equipment is unstable during arc striking or arc stopping, so that the rhenium plate or the rhenium alloy plate is easily damaged during welding, and the subsequent use of the product is directly influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the application provides a tailor-welding tool and an electron beam welding device for pure rhenium and rhenium alloy plates, and aims to solve the problems in the prior art.

In order to achieve the above object, in a first aspect, the welding tool for pure rhenium and rhenium alloy plates is used for clamping and fixing two plates to be welded, wherein the plates are pure rhenium plates or rhenium alloy plates, opposite end faces of the two clamped and fixed plates are mutually attached to form a splicing seam to be welded, and the welding tool for pure rhenium and rhenium alloy plates comprises a base, a first fixing assembly and two arc striking structures;

the base is used for bearing the two oppositely arranged plate pieces;

the first fixing assembly is arranged on the base and used for fixing the two plates on the base;

the two arc striking structures are arranged on the base, are respectively used for being abutted against two side faces of the two plates, are located on extension lines of the splicing seams and are used for striking and closing arcs during splicing welding.

With reference to the first aspect, in a possible implementation manner, the arc striking structure includes an arc striking block and a second fixing component, the arc striking block is disposed on the base, the second fixing component is detachably disposed on the base, the second fixing component is used for fixing the arc striking block on the base, the arc striking block is used for abutting against the side surfaces of two plates disposed on the base, and the arc striking block is located on an extension line of the splicing seam.

With reference to the first aspect, in a possible implementation manner, the second fixing assembly includes a second pressing block and a second locking member, the second pressing block is detachably mounted on the base through the second locking member, and the second pressing block is used for fixing the arc striking block on the base.

In combination with the first aspect, in a possible implementation manner, the arc striking structure includes an arc striking block and a resetting piece, one end of the resetting piece is connected with the base, the other end of the resetting piece is abutted against the arc striking block, the resetting piece is used for pushing the arc striking block to be abutted against the side surfaces of the two plates arranged on the base, and the arc striking block is located on the extension line of the splicing seam.

With reference to the first aspect, in a possible implementation manner, the first fixing assembly includes a first pressing block and a first locking member, the first pressing block is mounted on the base through the first locking member, and the first pressing block is used for fixing the plate member on the base.

With reference to the first aspect, in a possible implementation manner, the base is provided with a positioning groove, and the positioning groove is used for accommodating two plate pieces.

With reference to the first aspect, in a possible implementation manner, the opposite end surfaces of the two plates are welding end surfaces, two sides of each of the two plates are provided with a lug, the lugs are aligned with the welding end surfaces, the base is provided with mounting grooves on two sides of the positioning groove respectively, the mounting grooves are communicated with the positioning groove, the mounting grooves are used for accommodating the lugs, and the arc striking structures are used for abutting against the lugs of the two plates.

With reference to the first aspect, in a possible implementation manner, the tailor-welding tooling for pure rhenium and rhenium alloy plates further includes a preset number of heat dissipation protruding strips, and the preset number of heat dissipation protruding strips are distributed along the bottom of the base.

With reference to the first aspect, in a possible implementation manner, a cooling heat dissipation channel is formed in the base, and a water inlet and a water outlet, which are communicated with the cooling heat dissipation channel, are formed in the base.

In order to achieve the above object, in a second aspect, the present application provides an electron beam welding apparatus, including the tailor welding tool for pure rhenium and rhenium alloy plates provided in the first aspect.

Compare in prior art, the beneficial effect of this application:

the tailor-welding tool for the pure rhenium and rhenium alloy plates is used for clamping and fixing two plates to be tailor-welded, the plates are the pure rhenium plates or the rhenium alloy plates, opposite end faces of the two plates after clamping and fixing are mutually attached to form a splicing seam to be tailor-welded, and the tailor-welding tool for the pure rhenium and rhenium alloy plates comprises a base, a first fixing assembly and two arc striking structures; the base is used for bearing two oppositely arranged plates; the first fixing assembly is arranged on the base and used for fixing the two plates on the base; two arc striking structures are arranged on the base, the two arc striking structures are respectively used for being abutted against the two side faces of the two plates, the two arc striking structures are respectively located on extension lines of the splicing seams, and the arc striking structures are used for striking and closing arcs during welding. The utility model provides a pure rhenium and rhenium alloy board are with welding frock, through two striking structures respectively with the both sides face butt of two plates, the electric current when striking or arc-closing is considered during the welding is unstable, when welding two plates, can begin to strike by the striking structure of two plate one sides, again along the splice seam of two plates splice welding, arc-closing is accomplished at the striking structure of two plate opposite sides at last, and then effectually avoid striking and causing the damage to the plate when arc-closing, avoid causing the damage to pure rhenium plate or rhenium alloy board promptly, ensure the follow-up normal use of product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 schematic perspective view illustrating a rhenium alloy sheet according to an embodiment of the present disclosure;

fig. 2 shows a schematic perspective structure of a tailor-welding tool for pure rhenium and rhenium alloy plates provided in an embodiment of the present application;

FIG. 3 is a schematic structural view of two rhenium alloy plates clamped in a tailor welding tool for pure rhenium and rhenium alloy plates shown in FIG. 2;

FIG. 4 shows an enlarged partial schematic view at A in FIG. 3;

FIG. 5 illustrates a top view of the tailor welding tooling for pure rhenium and rhenium alloy sheets shown in FIG. 3;

FIG. 6 shows a schematic perspective view of two rhenium alloy plates after splicing;

FIG. 7 is a schematic diagram showing a structure of a lug cut out after splicing two rhenium alloy plates in FIG. 6;

fig. 8 is a schematic perspective view illustrating a base of a tailor-welding tool for pure rhenium and rhenium alloy plates according to an embodiment of the present disclosure;

fig. 9 shows a schematic perspective view of another base in a tailor-welding tool for pure rhenium and rhenium alloy plates according to an embodiment of the present application.

Description of the main element symbols:

100-a plate member; 110-a body; 111-welding the end faces; 111 a-splice seam; 120-a lug; 200-tailor welding tooling; 210-a base; 211-positioning grooves; 212-a mounting groove; 213-heat dissipation convex strip; 214-a water inlet; 215-a water outlet; 220-a first securing component; 221-a first locking member; 222-a first compact; 2220 — first ram; 230-arc starting structure; 231-an arc ignition block; 232-a second securing component; 2320-second briquetting; 2320 a-second locking hole; 2320b — second ram; 2321-a second locking member; 233-reset piece.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, 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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

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 application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; 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 application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. 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.

Example one

Referring to fig. 1, the present embodiment provides a plate 100, wherein the plate 100 may be a pure rhenium plate or a rhenium alloy plate. The plate 100 includes a body 110, the body 110 includes a welding end surface 111, two side surfaces of the body 110, which are connected to the welding end surface 111, are respectively provided with a lug 120, and one end surface of the lug 120 is flush with the welding end surface 111. Wherein, the lug 120 and the body 110 are of an integral structure, that is, the lug 120 is a part of the plate 100, and the thickness of the lug 120 is the same as that of the body 110.

Further, the rhenium alloy plate includes a molybdenum-rhenium plate, a tungsten-rhenium plate, and the like.

Referring to fig. 1, fig. 5, fig. 6 and fig. 7, in the present embodiment, when the two plate members 100 are welded, the welding end surfaces 111 of the two plate members 100 are attached to each other and form a splicing seam 111a to be welded. When welding is performed, welding is performed from the lug 120 on one side of the body 110 along the splicing seam 111a to the end of welding of the lug 120 on the other side of the body 110. Therefore, the design of the lug 120 reserves enough welding allowance for the welding of the body 110, and avoids the damage of the body 110 caused by unstable welding when the welding is started and ended. After the welding is finished, the lug 120 is cut off along the extension direction of the side face of the body 110 only by linear cutting, and only the body 110 is reserved, so that a welded product without welding gaps and damages on the edge can be obtained, and the normal use of the product is ensured. In addition, because the size of the lug 120 is small, the produced leftover materials are reduced, the waste of materials is avoided, and the cost is saved.

Furthermore, the lug 120 protrudes 0.8 mm-2 mm to the side of the body 110 to ensure enough margin during welding, and simultaneously, the leftover material is further reduced, and the waste of materials is avoided.

In some embodiments, the lugs 120 protrude 0.9mm to 1.5mm toward the sides of the body 110.

Optionally, the lug 120 protrudes 0.95mm, 1.0mm, 1.1mm, 1.2mm, 1.25mm, 1.3mm, 1.38mm, 1.42mm, 1.45mm, or 1.48mm to the side of the body 110. It should be understood that the foregoing is illustrative only and is not intended to limit the scope of the utility model.

Example two

Referring to fig. 1, fig. 2 and fig. 3, the present embodiment provides a tailor welding tool 200 for pure rhenium and rhenium alloy plates, which is hereinafter collectively referred to as tailor welding tool 200 for short, and the tailor welding tool 200 is applied to an electron beam welding device.

Referring to fig. 1 and 5, the tailor welding tooling 200 is used for clamping and fixing two plates 100, and the welding end surfaces 111 of the two clamped and fixed plates 100 are mutually attached to form a splicing seam 111a to be tailor welded, so as to facilitate the tailor welding of the two plates 100. Wherein plate member 100 is a pure rhenium plate or a rhenium alloy plate.

In this embodiment, the two plate members 100 to be welded can be provided by the first embodiment, but the plate member 100 without the lug 120 can also be used. Thus, the present embodiment can be exemplified by the plate member 100 provided in the first embodiment, which is specifically as follows:

referring to fig. 2 and fig. 3, in the present embodiment, the tailor welding tooling 200 includes a base 210, two first fixing assemblies 220 and two arc-striking structures 230, wherein the two first fixing assemblies 220 are both disposed on the base 210, the two first fixing assemblies 220 are respectively used for clamping and fixing two tailor welded plates 100, the two arc-striking structures 230 are both disposed on the base 210, the two arc-striking structures 230 are respectively located at two sides of two to-be-tailor welded plates 100, the two arc-striking structures 230 are respectively abutted against two side surfaces of the two to-be-tailor welded plates 100, the two arc-striking structures 230 are both located on an extension line of a splicing seam 111a, and the arc-striking structures 230 are used for arc striking and arc closing when the two to-be-tailor welded plates 100.

Further, a positioning groove 211 is formed on the base 210, and the positioning groove 211 can accommodate two plate members 100. Wherein, set up back in constant head tank 211 at two plates 100, the welding terminal surface 111 of two plates 100 sets up relatively, and is close to the laminating each other to form the splice joint 111a of waiting to tailor and weld, prepare for the tailor and weld.

The base 210 may be made of a material having a good thermal conductivity, and the structural strength of the base 210 may be ensured, for example, stainless steel may be used. Utilize the good heat conductivity of base 210, be favorable to the heat dissipation during the welding, prevent that welding high temperature from causing plate 100 to warp, ensure the roughness after two plates 100 splice.

The two first fixing components 220 are detachably connected with the base 210, and the two first fixing components 220 are respectively used for clamping and fixing the two plates 100 in the positioning groove 211.

Further, the two first fixing members 220 are symmetrically disposed about the center line of symmetry of the positioning groove 211 in the width direction.

In the present embodiment, in order to describe the structure of the first fixing element 220 more clearly, the following description is given to select two first fixing elements 220. The method comprises the following specific steps:

referring to fig. 2 and 3, the first fixing assembly 220 includes a first pressing block 222 and two first locking members 221, wherein the first pressing block 222 is disposed on the base 210, the first pressing block 222 spans across the positioning groove 211, two ends of the first pressing block 222 are respectively provided with a first locking hole, and an axis of the first locking hole is perpendicular to the base 210.

Further, a first threaded hole corresponding to the first locking hole is formed in the base 210.

Two first locking pieces 221 set up respectively in the both ends of first briquetting 222, and wherein, first locking piece 221 selects to be the bolt, and first locking piece 221 runs through first locking hole on first briquetting 222 and cooperates with the first screw hole on the base 210 to realize first briquetting 222 and the dismantlement of base 210 and be connected.

Further, a first pressing head 2220 is further disposed on one side of the first pressing block 222 facing the base 210, the first pressing head 2220 corresponds to the positioning groove 211, the first pressing head 2220 extends towards the positioning groove 211, and the first pressing head 2220 abuts against the plate 100 disposed in the positioning groove 211 to fix the plate 100 in the positioning groove 211.

Referring to fig. 2, fig. 3, fig. 4 and fig. 5, in the present embodiment, two arc striking structures 230 are detachably disposed on the base 210, the two arc striking structures 230 are respectively located at one side of the positioning groove 211, and the arc striking structures 230 are located on the extension line of the splicing seam 111a, and the two arc striking structures 230 can be used for striking an arc and also can be used for closing an arc. Because two striking structures 230 all with set up with the setting in the constant head tank 211 the lug 120 butt of the same side of two plates 100, so when welding, can begin the striking by the striking structure 230 of constant head tank 211 one side earlier, through the splice seam 111a of the welding terminal surface 111 of two plates 100, accomplish the arc-receiving to the striking structure 230 of constant head tank 211 opposite side again to avoid the welding to begin and end and cause the damage to plate 100.

Further, in order to describe the structural scheme of the arc striking structure 230 more clearly, the following describes one of the two arc striking structures 230. The method comprises the following specific steps:

referring to fig. 2, 3, 4 and 5, the arc striking structure 230 includes an arc striking block 231 and a second fixing member 232, the arc striking block 231 is disposed on the base 210, the second fixing member 232 is detachably disposed on the base 210, and the second fixing member 232 can fix the arc striking block 231 on the base 210.

Furthermore, two mounting grooves 212 are further formed in the base 210, the two mounting grooves 212 are located on two sides of the positioning groove 211 and are communicated with the positioning groove 211, the arc striking block 231 is movably arranged in one of the mounting grooves 212, the mounting groove 212 is also used for accommodating the lug 120, the second fixing component 232 can fix the arc striking block 231 in the mounting groove 212, the fixed arc striking block 231 is abutted to the side face of the lug 120 in the mounting groove 212, and the arc striking block 231 is located on an extension line of the splicing seam 111 a.

Optionally, after the arc initiation block 231 is installed on the plate 100, the upper surface of the arc initiation block 231 and the upper surface of the plate 100 are located in the same plane, so that no abrupt step is formed between the arc initiation block 231 and the upper surface of the plate 100 during welding, and a welded seam formed after welding is smoother.

The second fixing assembly 232 includes a second pressing block 2320 and a second locking member 2321, and the second pressing block 2320 is disposed on the base 210. One end of the second pressing block 2320 is provided with a second locking hole 2320a, and an axis of the second locking hole 2320a is perpendicular to the base 210. Further, a second threaded hole is formed in a position of the base 210 corresponding to the second locking hole 2320 a.

The second locking member 2321 is disposed on the second pressing block 2320, the second locking member 2321 is also selected by a bolt, and the second locking member 2321 penetrates through the second locking hole 2320a to be matched with the second threaded hole in the base 210, so that the second pressing block 2320 can be detachably fixed on the base 210.

The other end of the second pressing block 2320 is provided with a second pressing head 2320b, the second pressing head 2320b is located on one side of the second pressing block 2320 facing the base 210, and the second pressing head 2320b corresponds to the mounting groove 212 and extends towards the mounting groove 212. When the second pressing block 2320 is fixed to the base 210 by the second locking member 2321, the second pressing head 2320b abuts against the arc initiation block 231 disposed in the mounting groove 212 to fix the arc initiation block 231 in the mounting groove 212.

Further, the second locking hole 2320a is a long hole, and an extending direction of the second locking hole 2320a is identical to a length direction of the second pressing block 2320. After the second locking member 2321 penetrates through the second locking hole 2320a to be matched with the second threaded hole on the base 210, the second pressing block 2320 can be pulled along the length direction of the second locking hole 2320a by unscrewing the second locking member 2321, so that the second pressing head 2320b of the second pressing block 2320 is released from abutting contact with the arc striking block 231, and the arc striking block 231 can be conveniently detached.

Referring to fig. 3 and 5, in some embodiments, the arc striking structure 230 further includes a resetting member 233, the arc striking block 231 is slidably fitted to the mounting groove 212, the resetting member 233 is disposed in the mounting groove 212 and at an end of the mounting groove 212 far from the positioning groove 211, the resetting member 233 abuts against the arc striking block 231, and the resetting member 233 is configured to push the arc striking block 231 to move toward the positioning groove 211, so that the arc striking block 231 abuts against the lugs 120 of the two plate members 100 mounted in the positioning groove 211, and thus the arc striking block 231 can smoothly transition from the arc striking block 231 to the lugs 120 after arc striking before welding, and the arc striking block 231 can smoothly transition from the lugs 120 to the arc striking block 231 after welding to prevent damage to the two plate members 100, and meanwhile, a welding gap can be prevented from occurring at the edge of the two plate members 100 after welding, thereby improving welding quality.

Optionally, the restoring member 233 is a spring. And after the plate members 100 are installed in the positioning grooves 211, the spring is in a compressed state, and at this time, the spring can push the arc striking block 231 to keep abutting with the lugs 120 of the two plate members 100.

Referring to fig. 1 to 7, the use method of the tailor welding tooling 200 provided in the present embodiment is as follows:

in a first step, two first fixing assemblies 220 and two arc striking structures 230 on the lower base 210 are disassembled.

Specifically, the first locking member 221 and the second locking member 2321 mounted on the base 210 are screwed, respectively, and the first pressing block 222, the second pressing block 2320 and the arc striking block 231 are dismounted;

in the second step, two plates 100 to be welded are installed.

Specifically, two plates 100 to be welded are placed in the positioning groove 211, and the welding end surfaces 111 of the two plates 100 to be welded are made to face and contact each other.

And thirdly, installing two first fixing assemblies 220 to clamp and fix the plate 100.

Specifically, two first pressing blocks 222 are installed, so that the two first pressing blocks 222 correspond to one plate 100, respectively. And then the first locking member 221 is installed, and the two first pressing blocks 222 are fixed, so that the first pressing head 2220 is abutted to the plate 100 in the positioning groove 211, and the plate 100 is clamped and fixed.

Fourth, two arc striking structures 230 are installed.

Specifically, firstly, the arc ignition block 231 is installed in the installation groove 212, the arc ignition block 231 is abutted to the lugs 120 of the two plate members 100, meanwhile, the second pressing block 2320 is fixed on the base 210 through the second locking member 2321, the second pressing head 2320b is abutted to the arc ignition block 231, the arc ignition block 231 is fixed in the installation groove 212, the arc ignition block 231 is stably contacted with the lugs 120, looseness or falling off during welding is avoided, and welding quality is provided.

After the plate 100 is clamped and fixed, the tailor-welding tool 200 can be integrally installed in the electron beam welding equipment for welding.

The tailor-welding tooling 200 provided by this embodiment is provided with an arc striking structure 230 on each of two sides of the plate 100, wherein the arc striking block 231 located on one side of the positioning groove 211 is used as a welding starting point, and the arc striking block 231 located on the other side of the positioning groove 211 is used as a welding ending point. Therefore, when welding, the arc striking block 231 on one side of the positioning groove 211 starts to strike arcs, and the arc striking block 231 on the other side of the positioning groove 211 finishes arc closing through the splicing seam 111a of the welding end surface 111 of the two plates 100, so that the damage to the spliced plates 100 during arc striking and arc closing is effectively avoided, and the flatness of the welding edges of the two plates 100 is ensured.

Referring to fig. 1, fig. 7 and fig. 8, in addition, since the plate 100 provided in the first embodiment is directly adopted in the present embodiment, when two plate members 100 are welded together, the welding direction after arc striking is sequentially the lug 120 on one side of the body 110, and the lug 120 on the other side of the body 110. Therefore, even if the arc striking and arc stopping are unstable, only the lugs 120 and the arc striking blocks on the two sides of the body 110 are damaged, and the welding effect of the body 110 can be improved and the welding damage of the body 110 can be avoided through the transition of the lugs 120. And then still can cut off lug 120 along the extending direction of body 110 side through line cutting, only keep down body 110, can obtain the edge and have not welded the breach and the welding product that does not have the damage again, and then ensure the normal use after the concatenation. In addition, since the amount of the cut-off lugs 120 is smaller than that of the entire plate member 100, the design of the lugs 120 also reduces the generation of leftover bits and avoids the waste of materials.

EXAMPLE III

Referring to fig. 2 and 8, the present embodiment provides a tailor welding tool 200 applied to an electron beam welding device. The present embodiment is an improvement made on the basis of the second embodiment, and compared with the second embodiment, the difference is that:

in this embodiment, the tailor-welding tooling 200 further includes a predetermined number of heat dissipation protruding strips 213, and the predetermined number of heat dissipation protruding strips 213 are distributed along the bottom of the base 210, so as to increase the heat dissipation area, thereby facilitating the heat dissipation of the base 210 during welding, preventing the welding high temperature from causing the deformation of the plate 100, and ensuring the flatness of the two plates 100 after splicing.

Further, a predetermined number of heat dissipation ribs 213 are uniformly distributed along the bottom of the base 210.

Alternatively, the heat dissipation ribs 213 are formed by removing material from the base 210, but the heat dissipation ribs 213 and the base 210 may also be welded together.

Example four

Referring to fig. 2 and 9, the present embodiment provides a tailor welding tool 200 applied to an electron beam welding device. The present embodiment is an improvement made on the basis of the second embodiment, and compared with the second embodiment, the difference is that:

in this embodiment, a cooling heat dissipation channel (not shown) is formed in the base 210, and a water inlet 214 and a water outlet 215 communicated with the cooling heat dissipation channel are formed on a side surface of the base 210.

Furthermore, the cooling heat dissipation channel is located below the positioning groove 211, so that the heat dissipation effect is improved.

During the use, water inlet 214 inserts external cooling water system's play water end, and delivery port 215 inserts external cooling water system's return water end, lets in the cooling water through outside cooling water system in to the cooling heat dissipation runner, and help base 210 fires the heat, has greatly improved base 210's radiating effect, and then prevents to weld high temperature and causes plate 100 to warp, ensures the roughness after two plates 100 splice.

EXAMPLE five

Referring to fig. 1 to 9, the present embodiment provides an electron beam welding apparatus, which includes a high vacuum electron beam welding head and a tailor welding tool 200 according to any one of the second to fourth embodiments.

The electron beam welding equipment adopts a high-vacuum electron beam welding head to perform protective welding on the plate 100 on the tailor-welding tool 200, so that high-temperature oxidation of the plate 100 is avoided.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. A tailor-welding tool for pure rhenium and rhenium alloy plates is used for clamping and fixing two plates to be tailor-welded, wherein the plates are pure rhenium plates or rhenium alloy plates, and the opposite end surfaces of the two clamped and fixed plates are mutually attached to form a splice joint to be tailor-welded;

the base is used for bearing the two oppositely arranged plate pieces;

the first fixing assembly is arranged on the base and used for fixing the two plates on the base;

the two arc striking structures are arranged on the base, are respectively used for being abutted against two side faces of the two plates, are located on extension lines of the splicing seams and are used for striking and closing arcs during splicing welding.

2. The tailor welding tool for pure rhenium and rhenium alloy plates according to claim 1, wherein the arc striking structure comprises an arc striking block and a second fixing component, the arc striking block is disposed on the base, the second fixing component is detachably disposed on the base, the second fixing component is used for fixing the arc striking block on the base, the arc striking block is used for abutting against the side surfaces of two plates disposed on the base, and the arc striking block is located on the extension line of the splicing seam.

3. The tailor welding tool for pure rhenium and rhenium alloy plate according to claim 2, wherein the second fixing assembly comprises a second pressing block and a second locking member, the second pressing block is detachably mounted on the base through the second locking member, and the second pressing block is used for fixing the arc striking block on the base.

4. The tailor welding tool for pure rhenium and rhenium alloy plates according to claim 1, wherein the arc striking structure comprises an arc striking block and a resetting piece, one end of the resetting piece is connected with the base, the other end of the resetting piece is abutted against the arc striking block, the resetting piece is used for pushing the arc striking block to be abutted against the side surfaces of the two plates arranged on the base, and the arc striking block is located on an extension line of the splicing seam.

5. The tailor welding tool for pure rhenium and rhenium alloy plate according to claim 1, wherein the first fixing component comprises a first pressing block and a first locking member, the first pressing block is mounted on the base through the first locking member, and the first pressing block is used for fixing the plate on the base.

6. The tailor welding tool for pure rhenium and rhenium alloy plates according to claim 1, wherein a positioning groove is formed on the base, and the positioning groove is used for accommodating two plate members.

7. The tailor welding tool for pure rhenium and rhenium alloy plates according to claim 6, wherein the opposite end surfaces of the two plates are welding end surfaces, two sides of the two plates are provided with lugs, the lugs are aligned with the welding end surfaces, the base is provided with mounting grooves at two sides of the positioning groove respectively, the mounting grooves are communicated with the positioning groove and are used for accommodating the lugs, and the arc striking structure is used for abutting against the lugs of the two plates.

8. The tailor welding tool for pure rhenium and rhenium alloy plates according to claim 1, wherein the tailor welding tool for pure rhenium and rhenium alloy plates further comprises a preset number of heat dissipation ribs, and the preset number of heat dissipation ribs are distributed along the bottom of the base.

9. The tailor welding tool for pure rhenium and rhenium alloy plates according to claim 1, wherein a cooling heat dissipation channel is formed in the base, and a water inlet and a water outlet which are communicated with the cooling heat dissipation channel are formed in the base.

10. An electron beam welding apparatus, characterized by comprising the tailor welding tool for pure rhenium and rhenium alloy plates according to any one of claims 1 to 9.

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