Preparation method of high-hardness and high-wear-resistance surface precision coating

Abstract

The invention relates to a preparation method of a high-hardness and high-wear-resistance surface precision coating. The preparation method comprises the following steps: correspondingly arranging a quick expansion type hanger bearing structure and an upper hanging module; when the product is hung, the product is inclined by 12-18 degrees; pushing into coating preparation equipment for high-speed coating preparation; heating to 150 DEG C in coating preparation equipment; the furnace body is filled with 0.5 Pa argon, and the ion source module is used for ion etching; performing chromium bottoming by a magnetic sputtering module; the magnetic sputtering module is used for carrying out chromium and tungsten carbide mixed plating by a magnetic filtering electric arc; carrying out tungsten carbide coating by using a magnetic filtering electric arc; the magnetic sputtering module is used for coating a chromium layer; the magnetic sputtering module is used for carrying out chromium and tungsten carbide mixed plating by a magnetic filtering electric arc; carrying out tungsten carbide coating by using a magnetic filtering electric arc; the furnace body is filled with C2H2 gas of 1 Pa, a magnetic control coil 5 is electrified with direct current of 5 A, the bias voltage is 600 V, chromium and tungsten carbide are mixed through a magnetic sputtering module and a magnetic filtering arc set, and finally the high-hardness and high-wear-resistance surface precision coating with the thickness of 20 mu is formed.

Description

TECHNICAL FIELD

[0001] The present application relates to surface precision coating preparation technology, specifically, it shows a kind of high hardness high wear-resistant surface precision coating preparation method. BACKGROUND

[0002] Coating is coated on the surface of the substrate, a thin layer of refractory metal or non-metallic compound with good wear resistance. As a chemical barrier and thermal barrier, it reduces the diffusion and chemical reaction between the tool and the workpiece, thereby reducing the wear of the substrate.

[0003] In some cases, special coating needs to be set, such as the surface of some products requires a surface coating with high hardness and wear resistance, and the product surface has concave and convex characteristics. At present, the coating preparation method is to directly hang the product on the hanger and push it into the coating preparation equipment. However, direct hanging cannot form a good coating preparation on the surface of the concave product during preparation. Therefore, it is necessary to provide a high hardness high wear-resistant surface precision coating preparation method to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide a high hardness high wear-resistant surface precision coating preparation method.

[0005] The present application realizes the above-mentioned purpose by the following technical scheme: A high hardness high wear-resistant surface precision coating preparation method, the process includes: 1) Corresponding setting quick unfolding type hanger bearing structure, upper hanging module; Quick unfolding type hanger bearing structure includes bearing disc, bearing disc includes fixed part bearing body, fixed part bearing body forms several partitions, each partition is connected with storage type unfolding body, storage type unfolding body is fan-shaped, connected with fixed part bearing body through hinge or hinge; Fixed part bearing body is provided with fixed part bearing card, storage type unfolding body is provided with unfolding part bearing card, unfolding or folding storage type unfolding body adaptively, forming bearing card position quick setting structure suitable for bearing different length products; Upper hanging module includes hanging disc body, hanging disc body is provided with hanging hook; 2) The product is hung on the hook, and the lower part is supported on the quick unfolding type hanger bearing structure, and the product is hung in an inclined state of 12-18°; 3) After the product is hung, it is pushed into the coating preparation equipment for high-speed coating preparation, and the coating preparation equipment at least includes a group of magnetic sputtering modules corresponding to the inner walls of two opposite angles, and a group of magnetic filter arcs corresponding to the inner walls of two opposite angles; 4) Heating in the coating preparation equipment to 150°, time 60min; 5) Filling argon 0.5Pa in the furnace body, ion source module carries out ion etching, time 90min; 6) Primer: 6-1) A group of magnetic sputtering module carries out chromium primer, and the primer time is 5 min; 6-2) A group of magnetic sputtering module, a group of magnetic filter arc carries out chromium and tungsten carbide mixed plating, and the mixing time is 5 min; 6-3) A group of magnetic filter arc carries out tungsten carbide film forming, and the time is 5 min; 7) Strengthening layer preparation: 7-1) A group of magnetic sputtering module carries out chromium layer film forming, and the time is 5 min; 7-2) A group of magnetic sputtering module, a group of magnetic filter arc carries out chromium and tungsten carbide mixed plating, and the mixing time is 5 min; 7-3) A group of magnetic filter arc carries out tungsten carbide film forming, and the time is 5 min; 8) Strengthening outer layer preparation: the furnace body is filled with C2H2 gas 1Pa, the magnetic control coil is 5A direct current, the bias is 600V, a group of magnetic sputtering module, a group of magnetic filter arc group carries out chromium and tungsten carbide mixing, and the mixed plating time is 150 min, finally, the high-hardness high-wear-resistant surface precision coating with the thickness of 20 mu is formed.

[0006] Further, the lower side of the storage type unfolding body and the fixed part carrier is connected with two connecting parts of hinges or hinges respectively.

[0007] Further, the number of the plurality of partitions is not less than 4.

[0008] Further, the hanger column connecting seat in the middle of the bearing disc is fixedly connected with the hanger column through a locking screw.

[0009] Further, the edge of the fixed part carrier and / or the storage type unfolding body has an inclined avoidance slope.

[0010] Further, the unfolding angle of the storage type unfolding body corresponding to the fixed part carrier is 45° at most.

[0011] Further, the number of the hooks is 4-12.

[0012] Further, the middle of the hanging disc body has a hanging part sliding sleeve, and the hanging part sliding sleeve is fixedly connected with the hanger column through a hanging part locking screw.

[0013] Further, the hanger rotates during the coating preparation process, and the rotation speed is not greater than 6 revolutions / min.

[0014] Compared with the prior art, the coating preparation method of the product inclination setting and slow rotation is used to prepare the surface coating with high hardness and wear resistance on the product surface, so that the surface treatment qualified rate of the product is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is one of the structural schematic diagram of the present application.

[0016] Figure 2 is the second structural schematic diagram of the present application.

[0017] Figure 3 is the third structural schematic diagram of the present application.

[0018] Figure 4 is the fourth structural schematic diagram of the present application.

[0019] Figure 5 is the fifth structural schematic diagram of the present application. DETAILED DESCRIPTION Example 1:

[0020] Please refer to Figures 1 to 5 , this embodiment shows a method for preparing a high-hardness and high-wear-resistance surface precision coating, the process includes: 1) Corresponding setting of quick-expanding hanger bearing structure, upper hanging module 200; The quick-expanding hanger bearing structure includes a bearing disc 1, the bearing disc 1 includes a fixed part bearing body 2, the fixed part bearing body 2 forms a plurality of partitions 100, each partition 100 is connected with a storage type expanding body 3, the storage type expanding body 3 is in the shape of a fan, and is connected to the fixed part bearing body 2 through a hinge or a hinge 4; The fixed part bearing body 2 is provided with a fixed part bearing card 21, and the storage type expanding body 3 is provided with an expanding part bearing card 31; The storage type expanding body 3 is adaptively expanded or folded to form a bearing card position quick setting structure suitable for bearing products of different lengths; The upper hanging module 200 includes a hanging disc body 201, and the hanging disc body 201 is provided with a hanging hook 202; 2) The product is hung on the hanging hook 202 at the upper part and is borne at the lower part of the quick-expanding hanger bearing structure, and the product is hung in an inclined shape of 12-18°; 3) After the product is hung, it is pushed into a coating preparation equipment for high-speed coating preparation, and the coating preparation equipment at least includes a group of magnetic sputtering modules correspondingly arranged on two opposite inner walls and a group of magnetic filter arcs correspondingly arranged on two opposite inner walls; 4) Heating in the coating preparation equipment to 150° for 60 min; 5) Filling argon gas 0.5 Pa in the furnace body, and ion etching is performed on the ion source module for 90 min; 6) Priming: 6-1) A group of magnetic sputtering modules are used for chromium priming, and the priming time is 5 min; 6-2) A group of magnetic sputtering modules and a group of magnetic filter arcs are used for chromium and tungsten carbide mixed plating, and the mixing time is 5 min; 6-3) A group of magnetic filter arc for tungsten carbide coating, time 5 min; 7) Strengthening layer preparation: 7-1) A group of magnetic sputtering module for chromium coating, time 5 min; 7-2) A group of magnetic sputtering module, a group of magnetic filter arc for chromium and tungsten carbide mixed coating, mixed time 5 min; 7-3) A group of magnetic filter arc for tungsten carbide coating, time 5 min; 8) Strengthening outer layer preparation: filling C2H2 gas 1Pa in the furnace body, magnetic control coil 5 direct current 5A, bias 600V, a group of magnetic sputtering module, a group of magnetic filter arc group for chromium and tungsten carbide mixed, mixed coating time 150 min, finally forming a high hardness and high wear resistance surface precision coating with a thickness of 20μ.

[0021] The lower side of the storage type unfolding body 3 and the fixed part carrier 2 are respectively connected to two connecting parts of the hinge or the hinge 4.

[0022] The number of the plurality of partitions 100 is not less than 4.

[0023] The middle part of the carrier disc 1 has a hanger post connecting seat 5, and the hanger post connecting seat 5 is fixedly connected to the hanger post through a locking screw 6.

[0024] The edge of the fixed part carrier 2 and / or the storage type unfolding body 3 has an inclined avoidance slope 7.

[0025] The unfolding angle of the storage type unfolding body 3 corresponding to the fixed part carrier 2 is at most 45°.

[0026] The number of the hanging hooks 202 is 4-12.

[0027] The middle part of the hanging disc body 201 has a hanging part sliding sleeve 203, and the hanging part sliding sleeve 203 is fixedly connected to the hanger post through a hanging part locking screw 204.

[0028] During the preparation of the coating of the hanger, self-rotation is performed, and the self-rotation speed is not greater than 6 revolutions / min.

[0029] Compared with the prior art, the coating preparation method of the product by tilting and slow self-rotation is used to prepare a surface coating with high hardness and wear resistance on the surface of the product, thereby ensuring the surface treatment qualification rate of the product.

[0030] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the concept of the present application, some modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A method for producing a high hardness, high wear surface precision coating, characterized by: The process includes: 1) Corresponding setting up quick-expanding hanger bearing structure, upper hanging module; The quick-expanding hanger bearing structure includes a bearing disc, the bearing disc includes a fixed part bearing body, the fixed part bearing body forms a plurality of partitions, each partition is connected with a storage-expanding body, the storage-expanding body is in a fan shape, and is connected to the fixed part bearing body through a hinge or a hinge; The fixed part bearing body is provided with a fixed part bearing card, and the storage-expanding body is provided with an expanding part bearing card; The storage-expanding body is adaptively expanded or folded to form a bearing card position quick setting structure suitable for bearing products of different lengths; The upper hanging module includes a hanging disc body, and the hanging disc body is provided with a hanging hook; 2) The product is hung on the hanging hook, and is supported on the quick-expanding hanger bearing structure, and when the product is hung, it is in an inclined state of 12-18°; 3) After the product is hung, it is pushed into a coating preparation equipment for high-speed coating preparation, and the coating preparation equipment at least includes a group of magnetic sputtering modules correspondingly arranged on two opposite inner walls and a group of magnetic filter arcs correspondingly arranged on two opposite inner walls; 4) The coating preparation equipment is heated to 150°, and the time is 60 min; 5) The furnace body is filled with argon gas 0.5 Pa, the ion source module is ion etched, and the time is 90 min; 6) Priming: 6-1) A group of magnetic sputtering modules are used for chromium priming, and the priming time is 5 min; 6-2) A group of magnetic sputtering modules and a group of magnetic filter arcs are used for chromium and tungsten carbide mixed plating, and the mixing time is 5 min; 6-3) A group of magnetic filter arcs are used for tungsten carbide plating, and the time is 5 min; 7) Strengthening layer preparation: 7-1) A group of magnetic sputtering modules are used for chromium layer plating, and the time is 5 min; 7-2) A group of magnetic sputtering modules and a group of magnetic filter arcs are used for chromium and tungsten carbide mixed plating, and the mixing time is 5 min; 7-3) A group of magnetic filter arcs are used for tungsten carbide plating, and the time is 5 min; 8) Strengthening outer layer preparation: The furnace body is filled with C2H2 gas 1 Pa, the magnetic control coil is supplied with 5A direct current, the bias is 600V, a group of magnetic sputtering modules and a group of magnetic filter arc groups are used for chromium and tungsten carbide mixing, the mixed plating time is 150 min, and finally a high-hardness and high-wear-resistant surface precision coating with a thickness of 20μ is formed.

2. The method for preparing a high-hardness, high-wear-resistant precision coating according to claim 1, characterized in that: The lower side of the storage-expanding body and the fixed part bearing body is respectively connected with two connection parts of the hinge or the hinge.

3. The method for preparing a high-hardness, high-wear-resistant precision coating according to claim 2, characterized in that: The number of the plurality of partitions is not less than 4.

4. The method for preparing a high-hardness, high-wear-resistant precision coating according to claim 3, characterized in that: The bearing disc has a hanger column connecting seat in the middle, and the hanger column connecting seat is fixedly connected with the hanger column through a locking screw.

5. The method for preparing a high-hardness, high-wear-resistant precision coating according to claim 4, characterized in that: The edge of the fixed part bearing body and / or the storage-expanding body has an inclined avoidance slope.

6. The method for preparing a high-hardness, high-wear-resistant precision coating according to claim 5, characterized in that: The maximum expanding angle of the storage-expanding body corresponding to the fixed part bearing body is 45°.

7. The method for preparing a high-hardness, high-wear-resistant precision coating according to claim 6, characterized in that: The number of the hanging hooks is 4-12.

8. The method for preparing a high-hardness, high-wear-resistant precision coating according to claim 7, characterized in that: The hanging disc body has a hanging part sliding sleeve in the middle, and the hanging part sliding sleeve is fixedly connected with the hanger column through a hanging part locking screw.

9. A method of making a high hardness, high wear surface precision coating according to any one of claims 1 to 8, characterised in that: During the coating preparation process of the hanger, self-rotation is performed, and the self-rotation speed is not greater than 6 revolutions / min.

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