CN212943829U - Core block coating tool - Google Patents

Core block coating tool Download PDF

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Publication number
CN212943829U
CN212943829U CN201922198326.0U CN201922198326U CN212943829U CN 212943829 U CN212943829 U CN 212943829U CN 201922198326 U CN201922198326 U CN 201922198326U CN 212943829 U CN212943829 U CN 212943829U
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CN
China
Prior art keywords
frame
coating tool
track
core
core coating
Prior art date
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Application number
CN201922198326.0U
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Chinese (zh)
Inventor
张海峰
米文俊
王志刚
卢少炎
李建中
樊地阳
熙林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cnnc Baotou Nuclear Fuel Co ltd
China North Nuclear Fuel Co Ltd
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Cnnc Baotou Nuclear Fuel Co ltd
China North Nuclear Fuel Co Ltd
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Priority to CN201922198326.0U priority Critical patent/CN212943829U/en
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Abstract

This novel frock that belongs to, concretely relates to core piece coating frock. The utility model provides a core piece coating frock, includes the frame, and the frame both ends divide half to set up footstock and base, set up a plurality of parallel arrangement's track between footstock and base, set up in the frame with the crossing connection rib that the track slant crossed setting. This neotype effect that is showing is: the universality is strong; the maintenance is convenient; the pellet loading operation is convenient; the productivity is improved; (5) energy conservation and emission reduction.

Description

Core block coating tool
Technical Field
This novel frock that belongs to, concretely relates to core piece coating frock.
Background
As shown in fig. 1, the conventional jig is designed into a frame structure in the form of 10-cell grid, and comprises an upper part and a lower part, and a screen mesh made of INCONEL is fixed on the upper surface of the frame jig in a welding manner. The pellets are laid down in an array in the middle of the jig.
The existing pellet coating tool has the defects that (1) substances attached to the surface of the tool affect the coating uniformity and the film thickness. (2) The coating is easy to deform and open welding after long-term use, and the coating yield is influenced. (3) The maintenance difficulty is high, and the maintenance quality is low. (4) Pellet loading is inefficient, requiring 3 hours to complete the 12-nest frame clamp loading.
SUMMERY OF THE UTILITY MODEL
This is novel to prior art's defect, provides a core piece coating frock.
This is novel to realize like this: the utility model provides a core piece coating frock, includes the frame, and the frame both ends divide half to set up footstock and base, set up a plurality of parallel arrangement's track between footstock and base, set up in the frame with the crossing connection rib that the track slant crossed setting.
According to the core coating tool, the arrangement direction of the rails is the same as that of the frame.
According to the core coating tool, the frame is further provided with the supporting ribs.
The die coating tool as described above, wherein the frame has a cross-sectional shape substantially in the shape of an arrow, and a tip portion of the arrow is removed.
The core coating tool is characterized in that the cross section of the rail is in a dog bone shape.
The core coating tool is characterized in that the core coating tool is a dog-bone-like structure with two large ends and a thin middle.
The core coating tool is made of 304 stainless steel.
According to the core block coating tool, the track is provided with the round angle, and the range of the round angle R is 0.4-0.5 mm.
This neotype effect that is showing is:
(1) strong universality
Can be suitable for two specifications of drum of import coating device and domestic coating device.
(2) Convenient maintenance
The structural stability is superior to the old tool, and the deformation is not easy to occur. The surface adhesion substance is less, and the effect of influencing the coating quality is low. After the old tool accumulates 900kWh, the surface adhesion substances continue to accumulate, the coating boron loading index is reduced by nearly 7 percent, and after the new tool accumulates 500kWh, the surface adhesion substances are not accumulated, so that the coating boron loading index is not influenced.
(3) Convenient core block loading operation
The old tooling core blocks are segmented, lengthened, turned and the like, and the loading efficiency is 3 hours and 12 sets. The novel tool can realize one-time lengthening, can quickly complete pellet loading, and has the loading efficiency of 1 hour for 12 sets.
(4) Capacity enhancement
The productivity of a single furnace is improved by 14.5 percent.
(5) Energy conservation and emission reduction
4 persons in a post can be reduced, 10 tons of wastewater discharge is reduced every year, and 1000kg of solid waste is produced.
Drawings
FIG. 1 is a schematic structural view of a coating tool of the present invention;
FIG. 2 is a schematic structural diagram of a bezel;
FIG. 3 is a schematic view of the structure of the track;
fig. 4 is a schematic structural view after deburring.
In the figure: 1-frame, 2-top seat, 3-base, 4-track, 5-bridging rib and 6-supporting rib
Detailed Description
The core coating tool comprises a frame, wherein a top seat and a base are arranged at two ends of the frame in a halving mode, a plurality of parallel rails are arranged between the top seat and the base, and bridging ribs which are obliquely and crossly arranged with the rails are arranged in the frame.
Wherein, the direction that the track set up is the same with the direction of frame.
Wherein, still set up the support rib on the frame.
Wherein the cross-sectional shape of the frame is approximately an arrow shape, and a tip portion of the arrow is removed.
Wherein, the cross-sectional shape of the track is dog-bone-like.
Wherein, the dog-bone-like shape is a structure with two large ends and a thin middle.
Wherein, the material of this application frock is 304 stainless steel.
The track is provided with a fillet, and the range of the fillet R is 0.4-0.5 mm.
The preparation method of the tool comprises the following steps:
a preparation method of a core block coating tool comprises the following steps:
(1) selection of tool material
Selecting metal with certain hardness and ductility;
(2) frame processing
Processing a frame according to the drawing requirements;
(3) rail machining
The track structure is in a dog bone-like design;
(4) welding of
The rails are fixed, the size between the rails is ensured,
(5) burring treatment
The surface is subjected to a deburring treatment,
(6) surface treatment
And performing nitriding treatment on the surface.
The method for preparing the core coating tool, as described above, wherein all metals capable of avoiding the introduction of limited foreign substances in the sputtering environment in step (1) are selectable.
The method for manufacturing the core coating tool comprises the step (1), wherein 304 stainless steel is adopted as the material of the step (1).
According to the preparation method of the core coating tool, in the step (2), bar processing is adopted, and after drawing is completed, a leveling machine is used for straightening.
The preparation method of the core coating tool comprises the step (3), wherein the core coating tool is prepared in the form of a whole plate by cold drawing.
The preparation method of the core coating tool comprises the following steps of coating a core on a substrate, and coating a coating layer on the core.
According to the preparation method of the core coating tool, the rail is processed and then flattened in the length direction.
The preparation method of the core block coating tool comprises the step of forming the track fillet R in a range of 0.4-0.5 mm.
The preparation method of the core coating tool comprises the following steps of (4) welding, welding the frame and the base, the frame and the top seat, welding the rail and the base, welding the rail and the top seat, and finally welding the bridging ribs and the supporting ribs from the base to the top seat, and completing the preparation by laser welding.
The fixture can smoothly complete the loading and unloading operations of the rotary drums with two specifications. After the test, novel frock stable in structure. The coating uniformity of the surface of the core block is improved by about 35 percent.

Claims (8)

1. The utility model provides a core piece coating frock which characterized in that: including frame (1), frame (1) both ends divide half to set up footstock (2) and base (3), set up track (4) of a plurality of parallel arrangement between footstock (2) and base (3), set up cross-over connection rib (5) with track (4) slant cross arrangement in frame (1).
2. The core coating tool of claim 1, wherein: the direction of the track (4) is the same as the direction of the frame (1).
3. The core coating tool of claim 2, wherein: and the frame (1) is also provided with a supporting rib (6).
4. The core coating tool of claim 3, wherein: the cross section of the frame (1) is approximately in the shape of an arrow, and the tip part of the arrow is removed.
5. The core coating tool of claim 4, wherein: the cross section of the track (4) is shaped like a dog bone.
6. The core coating tool of claim 5, wherein: the dog-bone-like shape is a structure with two large ends and a thin middle.
7. The core coating tool of claim 6, wherein: the material of this application frock is 304 stainless steel.
8. The core coating tool of claim 7, wherein: the track (4) is provided with a fillet, and the range of the fillet R is 0.4-0.5 mm.
CN201922198326.0U 2019-12-10 2019-12-10 Core block coating tool Active CN212943829U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922198326.0U CN212943829U (en) 2019-12-10 2019-12-10 Core block coating tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922198326.0U CN212943829U (en) 2019-12-10 2019-12-10 Core block coating tool

Publications (1)

Publication Number Publication Date
CN212943829U true CN212943829U (en) 2021-04-13

Family

ID=75341325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922198326.0U Active CN212943829U (en) 2019-12-10 2019-12-10 Core block coating tool

Country Status (1)

Country Link
CN (1) CN212943829U (en)

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