CN210702385U

CN210702385U - Production mould of hull flat-pasting type sacrificial anode

Info

Publication number: CN210702385U
Application number: CN201921072346.7U
Authority: CN
Inventors: 胡裕风; 张宇宙; 郁红梅
Original assignee: Haimen Jiahao Shipping Equipment Co Ltd
Current assignee: Nantong Jiahao Anticorrosion Engineering Co.,Ltd.
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-06-09
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a hull flat-pasting type sacrificial anode's production mould, this sacrificial anode's bottom surface is level and smooth, and the surface except the bottom surface is the three-dimensional cambered surface, and sacrificial anode perpendicular to bottom surface is equipped with more than one thru hole, has and only has the embedded nut that is equipped with of a thru hole. The production mold comprises a mold base and a mold cover, wherein the mold base is provided with a flat-bottom mold cavity and an insert platform corresponding to a nut, the mold cover is provided with a pouring gate and a female mold cavity corresponding to the three-dimensional appearance of the sacrificial anode, and the female mold cavity is provided with a through hole forming column abutting against the flat-bottom mold cavity and a bottom-seeing forming column abutting against the embedded nut. Use the utility model discloses a production mould casting sacrificial anode provides convenience for the embedded mold insert operation of nut, and the firm, the clean nothing of internal thread of nut location is infected with in the fashioned product, can reserve the welding hole as required in process of production, and this mould possesses the general suitability of the different shapes product of the same kind simultaneously.

Description

Production mould of hull flat-pasting type sacrificial anode

Technical Field

The utility model relates to a sacrificial anode produces the manufacturing field, especially relates to a hull flat-paste sacrificial anode's production mould.

Background

The sacrificial anode technology is widely applied to the corrosion protection industry and is an effective metal corrosion prevention method. The basic principle of the method is that metal with strong reducibility is used as a protective electrode and is connected with protected metal through a conductive medium to form a primary battery. In the formed primary battery, the metal with stronger reducibility is used as the anode of the primary battery to generate oxidation reaction, and is gradually consumed along with the outflow of electrons, so that the protected metal is used as the cathode of the primary battery to avoid corrosion.

At present, the sacrificial anode used on the ship body needs to consider reducing the ship resistance, so the sacrificial anode with the plate structure as far as possible is flatly attached to the surface of the ship bottom shell, and the surface amplification of the simulated state is even far smaller than that of shellfish attached to the ship bottom, so that the amplification of the ship body resistance on the water bottom is eliminated. However, due to the requirement of flat attachment, the attachment components used are quite limited, and for the hull maintenance industry, it is also necessary to compromise the difficulty and efficiency of the construction work.

In order to facilitate the assembly of the product, nuts are embedded in the sacrificial anode product, and a certain number of welding holes enough for strengthening the installation are reserved, so that the problem of manufacturing the production mold of the sacrificial anode is solved, and the important basis for the breakthrough of technicians in the industry is formed.

Disclosure of Invention

In view of the above-mentioned prior art's demand, the utility model discloses an object aims at providing a hull flat-type sacrificial anode's production mould, scarf joints the nut and reserves the welding hole when casting sacrificial anode through this mould, accords with the sacrificial anode product production requirement of multiple appearance.

The utility model discloses realize above-mentioned purpose's technical solution is, a hull flat-paste formula sacrificial anode's production mould, sacrificial anode's bottom surface is level and smooth, and the surface except the bottom surface is the three-dimensional cambered surface, and sacrificial anode perpendicular to bottom surface is equipped with more than one thru hole, has and only the embedded nut that is equipped with of a thru hole, its characterized in that: the production mold comprises a mold base and a mold cover, wherein the mold base is provided with a flat-bottom mold cavity and an insert platform corresponding to the nut, the mold cover is provided with a pouring gate and a female mold cavity corresponding to the three-dimensional appearance of the sacrificial anode, and the female mold cavity is provided with a through hole forming column abutting against the flat-bottom mold cavity and a bottom-seeing forming column abutting against the embedded nut.

Preferably, the end of the through hole forming column is a stepped column with an inside diameter.

Preferably, the outer diameter of the bottom-viewing forming column is between the diameter of the inner screw hole of the nut and the diameter of the outer circle of the nut, and the formed sacrificial anode covers the limiting nut and exposes the screw hole.

Preferably, the sacrificial anode is an ellipsoid half-sectioned along the long axis, and the bottom-viewing forming column and the through-hole forming column of each cavity are respectively arranged at two axial circle centers of the ellipsoid.

Preferably, the sacrificial anode is a rectangular block with a round edge, one bottom-seeing molding column and two through hole molding columns are arranged in the concave die cavity in the length direction of the sacrificial anode, and the through hole molding columns are symmetrically arranged on two sides of the bottom-seeing molding column.

Preferably, the sacrificial anode is a forming body formed by integrally connecting two ball bags, the diameter of the ball bag on one side is larger than that of the ball bag on the other side, one bottom-viewing forming column in the concave die cavity is arranged at the center of the ball bag with the larger diameter, and one through hole forming column is arranged at the center of the ball bag with the smaller diameter.

Preferably, the sacrificial anode is a starfish-shaped block surrounded by the split claws, and a bottom molding column in the concave mold cavity is arranged at the center of the sacrificial anode. And the through hole forming columns which are matched with the branch claws independently are arranged around the bottom forming column.

The production mould casting sacrificial anode of the utility model has the substantive characteristics and the progress: the mold design provides convenience for the embedded insert operation of the nut, the nut in the formed product is positioned stably, the internal thread is clean and pollution-free, welding holes can be reserved in the production process as required, and meanwhile, the mold has universal applicability to products with different shapes of the same kind.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the flat-pasting type sacrificial anode for the ship body of the invention.

FIG. 2 is a schematic view of an open mold structure of a mold for producing the sacrificial anode product shown in FIG. 1.

Fig. 3 is a schematic structural diagram of another embodiment of the ship hull flat-mounted sacrificial anode of the invention.

Fig. 4 is a schematic structural diagram of another embodiment of the hull flat type sacrificial anode of the invention.

Fig. 5 is a schematic structural diagram of another embodiment of the flat-type sacrificial anode of the ship body.

Detailed Description

The following detailed description is made of specific embodiments of the present invention with reference to the accompanying drawings, so as to make the technical solution of the present invention easier to understand and grasp, and thus make a clearer definition of the protection scope of the present invention.

The ship hull flat-attached sacrificial anode has the essential structural characteristics that the bottom surface is flat, the surface except the bottom surface is a three-dimensional cambered surface, more than one through hole is arranged on the sacrificial anode vertical to the bottom surface, and a nut is embedded in only one through hole. The production mold is obtained by fully considering the molding conditions of the structural characteristics, the technical requirements on stability, precision and the like in the mold design process.

The summary scheme of the innovation is that the production mold of the ship hull flat-attached sacrificial anode mainly comprises a mold base and a mold cover, wherein the mold base is provided with a flat-bottom mold cavity and an insert platform corresponding to a nut, the mold cover is provided with a pouring gate and a concave mold cavity corresponding to the three-dimensional appearance of the sacrificial anode, and the concave mold cavity is provided with a through hole forming column abutting against the flat-bottom mold cavity and a bottom-seen forming column abutting against the embedded nut. Therefore, the sacrificial anode material liquid is injected through the pouring gate under the mold closing condition, and when the flat-bottom mold cavity and the cavity formed by closing the female mold cavity are filled, the material liquid can be discharged at the specific through hole or the insert, and the required product structural part is formed.

As shown in fig. 1, the sacrificial anode 1A is an ellipsoid half-sectioned along the major axis, and the sacrificial anode has two through holes along the major axis, and a nut 3 is embedded in one of the through holes, and the other through hole is reserved as a welding hole. When the sacrificial anode is consumed at a welding point or loosened and needs to be replaced, the rotating force of the nut of the sacrificial anode is released, the nut can be rapidly rotated to remove the residual sacrificial anode, a brand-new sacrificial anode product is firstly screwed and positioned on the sacrificial anode, then the welding hole is reserved through a spot welding process, and the sacrificial anode is welded into an anchor bolt shape from inside to outside, so that the sacrificial anode is radially locked to complete replacement.

In the first embodiment, as shown in fig. 2, the production mold structure corresponding to this embodiment mainly includes a mold base 4 and a mold cover 5, wherein the mold base 4 is provided with a flat bottom mold cavity 41 and an insert table 42 corresponding to the nut 6, and in order to improve the insert efficiency and accuracy, the insert table may further be provided with a positioning column inserted into a screw hole for facilitating the nut to be placed in alignment. The mold cover 5 is provided with a gate 52 and a concave mold cavity 51 corresponding to an ellipsoid half-section along the major axis, and the concave mold cavity 51 is provided with a through hole molding column 53 abutting against the flat bottom mold cavity and a bottom viewing molding column 54 abutting against the embedded nut. The bottom-viewing forming column 54 and the through hole forming column 53 of each of the concave die cavities 51 are respectively arranged at two axial circle centers of the ellipsoid. It should be noted that the insert table 42 is coaxially spaced from the corresponding bottom forming post 54 by a distance suitable for the nut to be clamped and positioned therein.

In order to improve the quality of the sacrificial anode product, the end of the through hole forming pillar 53 is a stepped pillar with a contracted outer diameter, i.e. the hole diameter of the through hole near the flat bottom of the formed product is contracted in a point shape, and the part of the through hole facing outward is formed corresponding to the outer diameter of the main body of the through hole forming pillar. Meanwhile, the outer diameter of the bottom-viewing forming column 54 is between the diameter of the inner screw hole of the nut and the diameter of the outer circle of the nut, the formed sacrificial anode can well coat the limiting nut, the embedding stability is improved, the screw hole can be exposed, the sacrificial anode can be conveniently installed, and the problem that the product cannot be smoothly screwed and installed due to dirt in the screw hole is solved.

In the second embodiment, as shown in fig. 3, the sacrificial anode 1B is a rectangular block with round edges, the sacrificial anode is provided with three through holes arranged parallel to the long edges, the nut 3 is embedded in the through hole in the middle, and the through holes in the two sides are reserved as welding holes 2. The corresponding die structure is as follows: the concave die cavity corresponds to the round-edge rectangular block, one bottom-viewing forming column and two through hole forming columns which are arranged in the length direction of the sacrificial anode are arranged in the concave die cavity, the through hole forming columns are symmetrically arranged on two sides of the bottom-viewing forming column, the illustration is omitted, and other structural characteristics refer to the first embodiment.

In the third embodiment, as shown in fig. 4, the sacrificial anode 1C has an outer shape of a molded body formed by integrally connecting two ball bags, the diameter of the ball bag on one side is larger than that of the ball bag on the other side, two through holes are formed in the sacrificial anode along the central axes of the two ball bags, a nut 3 is embedded in the through hole formed in the ball bag with the larger diameter, and a welding hole 2 is reserved in the through hole formed in the ball bag with the smaller diameter. The corresponding die structure is as follows: the concave die cavity corresponds to the double-ball-bag forming body, one bottom-seeing forming column in the concave die cavity is arranged at the circle center of the ball bag with the larger diameter, and one through hole forming column is arranged at the circle center of the ball bag with the smaller diameter.

In a fourth embodiment, as shown in fig. 5, the sacrificial anode 1D is in the shape of a starfish-shaped block surrounded by claws, a through hole with a nut 3 embedded therein is formed in the center of the sacrificial anode, and a through hole reserved as a welding hole is formed in each claw of the sacrificial anode. The corresponding die structure is as follows: a bottom molding column in the cavity is arranged at the center of the sacrificial anode. And the through hole forming columns which are matched with the branch claws independently are arranged around the bottom forming column.

In conclusion, the production of the mold casting sacrificial anode of the present invention is described in detail with reference to the illustrated embodiments, and it is understood that the production of the mold casting sacrificial anode has substantial features and progressiveness: the mold design provides convenience for the embedded insert operation of the nut, the nut in the formed product is positioned stably, the internal thread is clean and pollution-free, welding holes can be reserved in the production process as required, and meanwhile, the mold has universal applicability to products with different shapes of the same kind.

In addition to the above embodiments, the present invention may have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of the present invention.

Claims

1. The utility model provides a production mould of ship body flat-pasting formula sacrificial anode, sacrificial anode's bottom surface is level and smooth, and the surface except that the bottom surface is the three-dimensional cambered surface, and sacrificial anode perpendicular to bottom surface is equipped with more than one thru hole, has and only one thru hole is embedded to be equipped with nut, its characterized in that: the production mold comprises a mold base and a mold cover, wherein the mold base is provided with a flat-bottom mold cavity and an insert platform corresponding to the nut, the mold cover is provided with a pouring gate and a female mold cavity corresponding to the three-dimensional appearance of the sacrificial anode, and the female mold cavity is provided with a through hole forming column abutting against the flat-bottom mold cavity and a bottom-seeing forming column abutting against the embedded nut.

2. The production mold of the ship hull flat type sacrificial anode according to claim 1, characterized in that: the end part of the through hole forming column is provided with a stepped column with the inner diameter being contracted.

3. The production mold of the ship hull flat type sacrificial anode according to claim 1, characterized in that: the outer diameter of the bottom-viewing forming column is between the diameter of the inner screw hole of the nut and the diameter of the outer circle of the nut, and the formed sacrificial anode covers the limiting nut and exposes the screw hole.

4. The production mold of the ship hull flat type sacrificial anode according to claim 1, characterized in that: the sacrificial anode is an ellipsoid half-sectioned along a long axis, and the bottom-viewing forming column and the through hole forming column of each cavity are respectively arranged at two axial circle centers of the ellipsoid.

5. The production mold of the ship hull flat type sacrificial anode according to claim 1, characterized in that: the sacrificial anode is a rectangular block with a round edge, a bottom-seeing forming column and two through hole forming columns are arranged in the concave die cavity in the length direction of the sacrificial anode, and the through hole forming columns are symmetrically arranged on two sides of the bottom-seeing forming column.

6. The production mold of the ship hull flat type sacrificial anode according to claim 1, characterized in that: the sacrificial anode is a forming body formed by integrally connecting two ball bags, the diameter of the ball bag on one side is larger than that of the ball bag on the other side, one bottom-seeing forming column in the concave die cavity is arranged at the circle center of the ball bag with the larger diameter, and one through hole forming column is arranged at the circle center of the ball bag with the smaller diameter.

7. The production mold of the ship hull flat type sacrificial anode according to claim 1, characterized in that: the sacrificial anode is a starfish-shaped block surrounded by the sub-claws, one bottom-seeing forming column in the concave die cavity is arranged at the center of the sacrificial anode, and the through-hole forming columns which are individually matched with the sub-claws are arranged around the bottom-seeing forming column.