CN214978805U - Welding tool for titanium alloy mast lamp protective cover - Google Patents

Abstract

The utility model provides a welding frock of titanium alloy mast lamp safety cover, include: a chassis, the center of which is provided with a rotatable central shaft; the positioning ring is sleeved on the periphery of the chassis and is provided with a plurality of first limiting grooves; a support disc mounted on the central shaft and rotatable with the central shaft; the supporting plate is provided with a plurality of supporting claws, the supporting claws are arranged on the supporting plate and can rotate along with the supporting plate, a second limiting groove is formed in each supporting claw, and the second limiting grooves can be aligned with the first limiting grooves one by one. The utility model provides a welding frock of titanium alloy mast lamp safety cover can guarantee the dimensional accuracy that titanium alloy mast lamp safety cover welding front each component part group is right, and control welding deformation improves the soldered connection quality, guarantees to weld back structural strength.

Description

Welding tool for titanium alloy mast lamp protective cover

Technical Field

The utility model relates to a welding frock technical field especially relates to a welding frock of titanium alloy mast lamp safety cover.

Background

The mast lamp is a common marine lighting tool, the traditional mast lamp protective cover is generally formed by welding steel materials, and the mast lamp protective cover is also manufactured by using titanium alloy materials along with the increasingly wide application of titanium alloy in the field of ship manufacturing. The sailing ship usually experiences severe weather environments such as strong wind, humidity and the like, compared with a steel material, the titanium alloy has the advantages of high strength, good toughness, high specific strength, good corrosion resistance and the like, and the manufactured mast lamp protection cover structure is lighter and the service life is greatly prolonged.

However, compared with steel materials, titanium alloy has the characteristics of small elastic modulus, poor thermal conductivity, easy absorption of elements such as H, O, N in the environment at high temperature to generate brittle compounds, and the like, so that the following difficulties will occur when welding the protective cover of the titanium alloy mast lamp:

1. the welding deformation of the titanium alloy mast lamp protective cover is large. The titanium alloy elastic modulus is about half of that of steel, and titanium alloy thermal conductivity is relatively poor, compares steel material titanium alloy mast lamp safety cover and has bigger deflection.

2. Brace rod parts with supporting functions of the mast lamp protective cover are symmetrically distributed, the size precision of assembly is difficult to guarantee during assembly and clamping before welding, and the structural strength of the protective cover after welding is reduced due to the deviation of the position of the brace rod.

3. The stay bar part of the mast lamp protective cover is of a filiform structure, so that the integral structure is lighter, but the thermal deformation is larger during welding, and the requirement on welding deformation control is higher.

4. The structure size of the mast lamp protective cover is small, after parts are assembled on the tool, the space for welding is small, and the phenomenon of tool interference easily occurs near the welding position.

SUMMERY OF THE UTILITY MODEL

The utility model provides a welding frock of titanium alloy mast lamp safety cover for each component parts group is to the size precision of group before guaranteeing titanium alloy mast lamp safety cover welding, and control welding deformation improves the soldered connection quality, guarantees to weld back structural strength.

The utility model provides a welding frock of titanium alloy mast lamp safety cover, include: a chassis, the center of which is provided with a rotatable central shaft; the positioning ring is sleeved on the periphery of the chassis and is provided with a plurality of first limiting grooves; a support disc mounted on the central shaft and rotatable with the central shaft; the supporting plate is provided with a plurality of supporting claws, the supporting claws are arranged on the supporting plate and can rotate along with the supporting plate, a second limiting groove is formed in each supporting claw, and the second limiting grooves can be aligned with the first limiting grooves one by one.

According to the utility model provides a welding frock of titanium alloy mast lamp safety cover, the lower extreme of center pin constructs into the threaded rod, be equipped with the screw thread blind hole on the boss on chassis, the threaded rod matches with set nut and inserts in the screw thread blind hole, so that the center pin can via set nut rotates.

According to the utility model provides a welding frock of titanium alloy mast lamp safety cover, be equipped with a plurality of mounting groove on the bottom surface of supporting disk, every prop the claw embedding one the mounting groove is interior and fix through the fastener.

According to the utility model provides a welding frock of titanium alloy mast lamp safety cover, it is a plurality of prop the claw and install with equidistant ground interval each other on the outward flange of supporting disk, wherein, every the second spacing groove is constructed into the arc wall structure and is formed correspondingly prop on the surface of claw.

According to the utility model provides a welding frock of titanium alloy mast lamp safety cover, it is a plurality of prop the claw suspension and install on the outward flange of supporting disk, and prop the bottom of claw with the chassis is spaced apart.

According to the utility model provides a welding frock of titanium alloy mast lamp safety cover, it is a plurality of first spacing groove is equidistant ground interval forms each other on the inward flange of holding ring, wherein, every first spacing groove constructs into the arc wall structure.

According to the utility model provides a welding frock of titanium alloy mast lamp safety cover, wear to be equipped with a plurality of detachable location stick on the top surface of supporting disk.

According to the utility model provides a welding frock of titanium alloy mast lamp safety cover, it is a plurality of the location stick is worn to establish equidistant each other on the top surface of supporting disk.

According to the utility model provides a welding frock of titanium alloy mast lamp safety cover, still be formed with a plurality of spaced-apart louvres on the supporting disk.

According to the utility model provides a welding frock of titanium alloy mast lamp safety cover, be formed with 6 on the holding ring first spacing groove, install 6 on the supporting disk prop the claw and adjacent prop and be 60 contained angles between the claw, every prop and be formed with 1 on the claw the second spacing groove.

The utility model provides a welding frock of titanium alloy mast lamp safety cover can be spacing to the bottom ring of the titanium alloy mast lamp safety cover of treating welding through the locating ring in welding process, treat the vaulting pole location and the support of welded titanium alloy mast lamp safety cover through the first spacing groove on the locating ring and the second spacing groove on the supporting claw, treat the top cap of welded titanium alloy mast lamp safety cover through the supporting disk and fix a position and support, can realize from this that the high dimensional accuracy's of part equipment of treating welding is realized to effects such as safety cover structure size location, clamp, support; and the contact area of the tool and the part to be welded is large and the tool and the part to be welded are closely matched, so that the heat dissipation speed of a welding line is improved, and the deformation after welding is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of a welding tool for a protective cover of a titanium alloy mast lamp of the present invention;

FIG. 2 is a perspective view of the welding tool for the protective cover of the titanium alloy mast lamp of the present invention during use;

fig. 3 is a perspective view of the titanium alloy mast lamp protective cover after the welding of the welding tool of the titanium alloy mast lamp protective cover of the utility model is completed;

reference numerals:

100: welding a tool; 102: a chassis;

104: a central shaft; 106: a positioning ring;

108: a support disc; 110: supporting claws;

112: a first limit groove; 114: a second limit groove;

116: positioning a nut; 118: a positioning rod;

120: heat dissipation holes; 200: a titanium alloy mast lamp protective cover;

202: a bottom ring; 204: a stay bar;

206: and a top cover.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, 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 an embodiment of the invention. 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.

Referring now to fig. 1, an embodiment of a welding tool 100 for a titanium alloy mast lamp protective cover according to the present invention will be described. It is to be understood that the following description is only exemplary of the present invention and is not intended to limit the present invention in any way. Generally speaking, the utility model discloses according to titanium alloy performance and product structural characteristic, designed a frock that is applicable to titanium alloy mast lamp safety cover product part equipment, welding, thermal treatment.

As shown in fig. 1, the tool structure is designed in consideration of the small size and specification of the product, and a built-in tool structure matched with the product parts is adopted to avoid interference on welding. In one embodiment, the tool is made of steel. Particularly, according to the embodiment of the utility model, a welding frock 100 of titanium alloy mast lamp safety cover is provided. The welding tool 100 may generally include a base plate 102, a central shaft 104, a retaining ring 106, a support plate 108, and a plurality of support jaws 110.

Specifically, the central shaft 104 may be rotatably mounted at a central location of the chassis 102. The positioning ring 106 may be disposed on the outer periphery of the base plate 102, and a plurality of first limiting grooves 112 may be formed on the positioning ring 106. Support disc 108 may be mounted on central shaft 104 and support disc 108 may rotate with central shaft 104. A plurality of prongs 110 may be mounted to support plate 108 and prongs 110 may be rotatable with support plate 108. Further, each supporting claw 110 is formed with a second limiting groove 114, and the plurality of second limiting grooves 114 can be aligned with the plurality of first limiting grooves 112 one by rotating.

In specific welding process, the embodiment of the utility model provides a welding frock 100 can treat the bottom ring of welded titanium alloy mast lamp safety cover spacing through holding ring 106, treats the vaulting pole location and the support of welded titanium alloy mast lamp safety cover through first spacing groove 112 on the holding ring 106 and the second spacing groove 114 on propping claw 110, treats the top cap of welded titanium alloy mast lamp safety cover through supporting disk 108 and fixes a position and support. Therefore, the welding tool 100 provided by the embodiment of the utility model can realize the functions of positioning, clamping, supporting and the like of the structure size of the protection cover, and realize the assembly of the parts to be welded with high dimensional accuracy; and the contact area of the tool and the part to be welded is large and the tool and the part to be welded are closely matched, so that the heat dissipation speed of a welding line is improved, and the deformation after welding is reduced. The specific welding process and the final assembled product will be described below in conjunction with fig. 2 and 3.

With continued reference to fig. 1, in one embodiment of the present invention, the lower end of the central shaft 104 may be configured as a threaded rod structure, and the boss of the chassis 102 may be provided with a blind threaded hole. During assembly of the welding tool 100, the threaded rod may be mated with the retaining nut 116 and inserted into the threaded blind hole in such a way that the central shaft 104 is able to rotate via the retaining nut 116.

According to an embodiment of the present invention, when assembling the welding tool 100, a plurality of mounting slots may be disposed on the bottom surface of the supporting plate 108, and each supporting claw 110 may be embedded in one mounting slot and fixed by a fastener (e.g., a screw).

In an alternative embodiment of the present invention, as shown in fig. 1, a plurality of support fingers 110 may be mounted on the outer edge of support plate 108 at equally spaced intervals from one another. In one embodiment, each of the second retaining grooves 114 may be configured, for example, as an arcuate groove structure and formed on an outer surface of the corresponding stay pawl 110. Specifically, for example, a plurality of prongs 110 may be mounted in suspension on the outer edge of support tray 108, and the bottom of prongs 110 may be spaced from base pan 102, forming a suspended structure as shown in fig. 1.

The plurality of first retaining grooves 112 on the retaining ring 106 may also be formed on the inner edge of the retaining ring 106 at equally spaced intervals relative to one another, corresponding to the second retaining grooves 114 described above. And similarly, each of the first restraint slots 112 may also be configured in an arcuate slot configuration, thereby forming the configuration shown in fig. 1.

In one embodiment of the present invention, as shown in fig. 1, 6 first limit grooves 112 may be formed on the positioning ring 106. Correspondingly, 6 supporting claws 110 can be mounted on the supporting disc 108, and an included angle of 60 degrees is formed between adjacent supporting claws 110. Wherein, each supporting claw 110 is formed with 1 second limiting groove 114. It will of course be understood that the above description and the drawings are only illustrative of exemplary embodiments of the invention and do not constitute any particular limitation of the invention. In other words, the number and the included angle of the supporting claw 110, the first limiting groove 112 and the second limiting groove 114 can be set according to the specific use condition, and the present invention is not limited thereto.

In one embodiment of the present invention, a plurality of detachable positioning rods 118 may be threaded onto the top surface of the support tray 108. And optionally, a plurality of positioning rods 118 may be inserted through the top surface of support plate 108 at equal intervals from each other. The locator bar 118 may act as a stop when welding is performed, as will be described in more detail below.

Furthermore, in an embodiment of the present invention, a plurality of spaced heat dissipation holes 120 may be formed on the support plate 108. The heat dissipation holes 120 may be used to dissipate heat from the welding tool 100 and the parts during the welding operation.

The utility model discloses a when welding frock 100 carries out the specific use, can carry out the operation of each step according to following step:

first, the surfaces of the part to be welded and the welding tool 100 are cleaned. Specifically, the surfaces of the parts to be welded may be ground and cleaned with acetone to remove oxide layers and oil stains. The surface of the welding tool 100 is wiped with acetone to remove oil stains.

The step of assembling the welding tool 100 may be performed next. The base plate 102 is placed on a horizontal table and the central shaft 104 is inserted into a central circular hole in the support plate 108. The lower end of the central shaft 104 is threaded to engage a retaining nut 116 and then inserted into a threaded blind hole in the center of the chassis 102 so that the retaining nut 116 can be used to rotate the central shaft 104 and thus the support plate 108. The supporting claw 110 with the threaded through hole can be embedded into the clamping groove of the supporting disk 108 and fixed by using a screw.

The dimensional positioning of the welding tool 100 is then adjusted. Specifically, the positioning nut 116 is adjusted to make the second position-limiting groove 114 of the supporting jaw 110 and the first position-limiting groove 112 of the positioning ring 106 on a vertical plane in pairs.

Further, the parts to be welded are assembled. The parts to be welded are sequentially installed and matched with the structure of the welding tool 100, the positions of the parts to be welded are limited by the 3 positioning rods 118, the supporting claws 110 and the first limiting grooves 112 of the positioning rings 106, and the parts are clamped and fixed after the assembly size is ensured.

Welding and post-welding treatment operations are then performed. Specifically, the parts to be welded are welded under a protective atmosphere, and spot welding is sequentially performed at symmetrical welding positions to reduce welding stress. After the welding is finished, annealing heat treatment is carried out to eliminate residual stress.

Referring now to fig. 2 and 3, a specific embodiment of the welding tool 100 of the present invention will be described.

Firstly, cleaning the surface of a mast lamp protective cover part to be welded, removing an oxide layer and oil stains, and cleaning the surface of the welding tool 100 to remove the oil stains. And then, assembling a welding tool step by step according to a welding assembly diagram of the titanium alloy mast lamp protective cover shown in figure 2, and clamping the part to be welded.

Specifically, the base plate 102 is first placed on a horizontal table, the bottom ring 202 to be welded is placed in a circular groove of the base plate 102, and the positioning ring 106 is placed on the bottom ring 202 to match.

Next, the central shaft 104 is inserted into the central circular hole of the support plate 108, the lower end of the central shaft 104 is a threaded rod to be engaged with the positioning nut 116, and then inserted into the central threaded blind hole of the chassis 102, so that the central shaft 104 can be rotated by using the positioning nut 116 to further rotate the support plate 108.

Then the supporting claw 110 with the threaded through hole is embedded into the clamping groove of the supporting disk 108 and is fixed by using a screw. The positioning nut 116 is adjusted and the supporting plate 108 is rotated so that the second position-limiting groove 114 of the supporting claw 110 and the first position-limiting groove 112 of the positioning ring 106 are located on a vertical plane.

Next, 6 stay bars 204 to be welded are fitted into the first and second retaining grooves 112 and 114, and the top cover 206 to be welded is placed on the support plate 108. And (3) clamping and fixing by using a positioning rod 118, so that the top cover 206 to be welded, the support rod 204 and the bottom ring 202 are matched, and rotating the central shaft 104 to fix and compress the parts to be welded to complete the assembly of the parts to be welded.

Further, an argon protection device is started, spot welding is carried out on the joints of the top cover 206, the bottom ring 202 and the support rods 204, a symmetrical welding method is adopted to reduce welding stress, and welding is sequentially finished at symmetrical welding positions. And then, after welding is finished, annealing the welded weldment and the whole welding tool 100 to remove residual stress, cooling the welded weldment and the whole welding tool to room temperature along with a furnace, disassembling the tool, and taking down the weldment. The final welded titanium alloy headlight shield 200 is shown in fig. 3.

To sum up, to the utility model provides a welding frock 100 of titanium alloy mast lamp safety cover, it is the novel welding frock that forms to the design of novel product titanium alloy mast lamp safety cover. The welding tool 100 can realize the functions of positioning, clamping, supporting and the like of the structure size of the protective cover, and realize the assembly of the parts to be welded with high dimensional accuracy. And secondly, the structure of the mast lamp protective cover is considered to be small, a built-in tool design is adopted, the interference to a welding position is avoided, and the gas protection is favorably implemented. In addition, the contact area of the tool and the part to be welded is large and the tool and the part to be welded are tightly matched, so that the heat dissipation speed of a welding line is improved, and the deformation after welding is reduced. In addition, the tool device is suitable for a heat treatment process, can eliminate welding residual stress to a certain extent, and plays a role in shape correction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a welding frock of titanium alloy mast lamp safety cover which characterized in that includes:

a chassis, the center of which is provided with a rotatable central shaft;

the positioning ring is sleeved on the periphery of the chassis and is provided with a plurality of first limiting grooves;

a support disc mounted on the central shaft and rotatable with the central shaft;

the supporting plate is provided with a plurality of supporting claws, the supporting claws are arranged on the supporting plate and can rotate along with the supporting plate, a second limiting groove is formed in each supporting claw, and the second limiting grooves can be aligned with the first limiting grooves one by one.

2. The welding tool for the titanium alloy mast lamp protection cover according to claim 1, wherein the lower end of the central shaft is configured as a threaded rod, a threaded blind hole is formed on the boss of the chassis, and the threaded rod is matched with a positioning nut and inserted into the threaded blind hole, so that the central shaft can rotate through the positioning nut.

3. The welding fixture for the protective cover of the titanium alloy mast lamp of claim 1, wherein a plurality of mounting slots are formed in the bottom surface of the supporting plate, and each supporting claw is embedded in one mounting slot and fixed by a fastener.

4. The welding tool for the protective cover of the titanium alloy mast lamp as claimed in claim 1, wherein a plurality of the supporting jaws are installed on the outer edge of the supporting plate at regular intervals, wherein each of the second limiting grooves is configured in an arc-shaped groove structure and is formed on the outer surface of the corresponding supporting jaw.

5. The titanium alloy mast lamp protective cover welding tool of claim 4, wherein a plurality of the support claws are mounted in suspension on an outer edge of the support plate, and wherein the bottom portions of the support claws are spaced apart from the base plate.

6. The welding fixture for a protective cover of a mast made of titanium alloy according to claim 1, wherein a plurality of first position-limiting grooves are formed on the inner edge of the positioning ring at regular intervals, wherein each of the first position-limiting grooves is configured in an arc-shaped groove structure.

7. The welding tool for the protective cover of the titanium alloy mast lamp as claimed in any one of the claims 1 to 6, wherein a plurality of detachable positioning rods are arranged on the top surface of the supporting disk in a penetrating manner.

8. The welding fixture for the protective cover of the titanium alloy headlight as claimed in claim 7, wherein a plurality of the positioning rods are arranged on the top surface of the supporting plate at equal intervals.

9. The titanium alloy mast lamp protection cover welding tool according to any one of claims 1 to 6, wherein a plurality of spaced heat dissipation holes are further formed on the support plate.

10. The welding fixture for the protective cover of the mast lamp made of the titanium alloy as claimed in any one of claims 1 to 6, wherein 6 first limiting grooves are formed on the positioning ring, 6 supporting claws are mounted on the supporting disk, an included angle of 60 ° is formed between adjacent supporting claws, and 1 second limiting groove is formed on each supporting claw.

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