Coating plating device for sliding wear test

Abstract

The utility model discloses a coating plating device for a sliding wear test. The coating plating device comprises a stand column and a pin disc fixedly sleeved on the stand column, a plurality of pin holes distributed in the radial circumference are formed in the circumferential side face of the pin disc, a threaded hole is formed in the position, perpendicular to the middle of each pin hole, of the end face, and the threaded holes are communicated with the upper end face and the lower end face of the pin disc. The device is simple in structure and convenient to operate in physical vapor deposition, the defects that a traditional pin part is not easy to clamp and poor in plating effect can be overcome, and the clamping stability of the pin part and the consistency and high efficiency of the plating effect are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to surface coating technical field, concretely relates to a device for sliding wear test coating plating. BACKGROUND

[0002] In engineering applications, the method of surface treatment is usually used to improve the wear resistance of the contact surface, such as surface modification technology is through physical deposition, chemical deposition, mechanical spraying and other means to cover the surface of the parts with special coating material, so that the surface of the parts obtains the performance of the coating material, improves its corrosion resistance, wear resistance, high temperature resistance, oxidation resistance and other properties. The effect of surface coating is often simulated and verified by wear test method, and the commonly used pin-on-disc friction and wear test is to form a surface contact friction pair under a certain test load, and the pin sample and the disc sample are coated. But because the volume of pin sample is small, it is not easy to clamp in the coating plating process, and it is difficult to ensure the consistency of coating plating of samples in the same batch, thereby reducing the coating plating effect of pin sample surface. Therefore, a coating plating device for pin sample in sliding wear test is needed. SUMMARY

[0003] In view of the above defects, the utility model aims at providing a device for sliding wear test coating plating. The device can improve the clamping difficulty of pin sample in sliding wear test and the poor plating effect.

[0004] To achieve the above technical purpose, the following technical scheme is adopted:

[0005] A device for sliding wear test coating plating, comprising a column and a pin disc fixedly sleeved on the column; the circumference side of the pin disc is provided with a plurality of pin holes distributed in the radial direction, a threaded hole is arranged at the middle position perpendicular to each pin hole on the end face, and the threaded hole is communicated with the upper end face and the lower end face of the pin disc. Further, the upper side and the lower side of the fixing device are respectively provided with fastening threads, the fastening threads are used for bolt to pass through and fix the insulating porcelain tube, so as to prevent the insulating porcelain tube from falling off and protect the thermocouple.

[0006] Further, a plurality of circular cavities are arranged on the end face of the pin disc.

[0007] Further, a rotating shaft is sleeved at the bottom of the column, the rotating shaft is perpendicular to the column, and the pin disc is located above the rotating shaft.

[0008] Further, a supporting assembly is further sleeved on the column; the supporting assembly comprises a connecting piece and a plurality of supporting rods, the connecting piece is sleeved on the column, and the plurality of supporting rods are circumferentially distributed on the side surface of the connecting piece and are fixedly connected with the connecting piece.

[0009] Further, the side surface of each support rod is radially provided with a fixing hole.

[0010] Further, the connecting piece is a cylindrical structure, and the support rod is an outwardly expanding fan-shaped structure.

[0011] Further, the stand, the pin disc, the connecting piece, the support rod and the rotating shaft are all made of stainless steel.

[0012] The utility model discloses the beneficial effect obtained is:

[0013] Compared with the prior art, the utility model improves the stability of clamping, and the pin-like sample is fixed through the pin hole and the threaded hole arranged in a circle on the pin disc to prevent the pin-like sample from falling off. This design improves the clamping stability of the pin-like sample in the gas deposition process, and solves the problem that the pin-like sample is small in size and difficult to clamp. In addition, the utility model optimizes the plating effect, and the rotating shaft arranged below the stand is rotated to drive the pin disc and the support assembly above to rotate in the gas deposition device, so that the pin-like sample and the disc-like sample are uniformly subjected to gas deposition, and the uniformity and consistency of the coating are ensured. This effectively improves the poor plating effect of the traditional sliding wear test sample, and improves the performance of the coating. At the same time, the utility model improves the processing efficiency, and the device can simultaneously perform plating operation on multiple pin-like samples and multiple disc-like samples, which greatly improves the processing efficiency, reduces the processing cost, and is especially suitable for batch processing requirements. The utility model has the advantages of simple structure and convenient operation, and the device itself is made of stainless steel, which ensures that it has good corrosion resistance and wear resistance, and prolongs the service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be described below in combination with the drawings.

[0015] ATTACHED Fig. 1 It is a device structure schematic view for sliding wear test coating plating of the utility model.

[0016] ATTACHED Fig. 2 It is an enlarged schematic view of the pin disc of the utility model.

[0017] In the drawing: 1, stand; 2, pin disc; 2a, pin hole; 2b, threaded hole; 2c, circular cavity; 3, connecting piece; 4, support rod; 4a, fixing hole; 5, rotating shaft. DETAILED DESCRIPTION

[0018] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. The described embodiments are merely some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0019] like Figs. 1-2 As shown, the present invention provides a device for coating of a sliding wear test, comprising a column 1, a pin plate 2, a support assembly and a rotating shaft 5; the column 1 is a rod-shaped structure, and the support assembly, the pin plate 2 and the rotating shaft 5 are fixedly sleeved at intervals from top to bottom.

[0020] The support assembly includes a connector 3 and a support rod 4. The connector 3 is a cylindrical structure, which is sleeved on the column 1 and fixedly connected to the support rod 4. There are six support rods 4 distributed circumferentially on the side of the connector 3. The support rod 4 is a fan-shaped structure and has a fixing hole 4a on the side radially for fixing the connecting disc sample.

[0021] The pin disc 2 is located below the support assembly, and has circumferentially distributed pin holes 2a on its circumferential side. The pin holes 2a are used for inserting pin samples. A threaded hole 2b is provided on the end face of the pin disc 2 at the middle position perpendicular to the pin holes 2a. The threaded hole 2b penetrates the pin disc 2 and connects the upper and lower end faces of the pin disc 2. It is used to fix the pin sample inserted into the pin holes 2a with a threaded screw to prevent it from falling out. The end face of the pin disc 2 also has circumferentially distributed circular cavities 2c to reduce the overall weight of the pin disc 2.

[0022] The rotating shaft 5 is perpendicular to the column 1 and is sleeved below the column 1, which is used to facilitate the rotation of the column 1.

[0023] The column 1, pin 2, connector 3, support rod 4, and rotating shaft 5 are all made of stainless steel, which ensures the corrosion resistance and wear resistance of the device, extends the service life of the device, and ensures stability during the vapor deposition process.

[0024] This invention is used in a vapor deposition apparatus, and its working principle is as follows:

[0025] In use, the disc samples to be coated are fixed on the support rod 4 through the fixing holes 4a on the support rod 4, the pin samples are inserted into the pin holes 2a on the pin disc 2, and then the screws are inserted into the threaded holes 2b to fix the pin samples and prevent them from falling off. The whole device is placed in a vapor deposition device for vapor deposition. The rotation of the column 1, the support assembly and the pin disc 2 in the vapor deposition device can be realized by rotating the rotating shaft 5 below the column 1, so that the pin samples and the disc samples can be coated.

[0026] Other details of the present application are conventional techniques known to those skilled in the art.

[0027] It should be noted that the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device containing a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article or device.

[0028] The protection scope of the present application is not limited to the technical solutions disclosed in the specific embodiments, and any modification, equivalent replacement, improvement, etc. made according to the technical essence of the present application to the above embodiments all fall within the protection scope of the present application.

Claims

1. An apparatus for the coating of sliding wear test coatings, characterized by: The pin disc (2) is sleeved on the column (1), and the circumferential side of the pin disc (2) is provided with a plurality of pin holes (2a) distributed in a radial direction, and the end face is provided with a threaded hole (2b) perpendicular to the middle position of each pin hole (2a), and the threaded hole (2b) is communicated with the upper end face and the lower end face of the pin disc (2).

2. A device for coating sliding wear test specimens according to claim 1, characterized in that: The end face of the pin disc (2) is provided with a plurality of circular cavities (2c) distributed in a circumferential direction.

3. A device for the coating of sliding wear test coatings according to claim 2, characterized in that The bottom of the column (1) is sleeved with a rotating shaft (5), and the rotating shaft (5) is perpendicular to the column (1); and the pin disc (2) is located above the rotating shaft (5).

4. A device for coating sliding wear test specimens according to claim 3, characterized in that: The column (1) is further sleeved with a support assembly; the support assembly comprises a connecting piece (3) and a plurality of support rods (4), the connecting piece (3) is sleeved on the column (1), and the plurality of support rods (4) are circumferentially distributed on the side of the connecting piece (3) and are fixedly connected with the connecting piece (3).

5. A device for the coating of sliding wear test coatings according to claim 4, characterized in that The side of each support rod (4) is provided with a fixing hole (4a) in a radial direction.

6. A device for the coating of sliding wear test coatings according to claim 5, characterized in that The connecting piece (3) is a cylindrical structure, and the support rod (4) is a fan-shaped structure expanding outward.

7. A device for the coating of sliding wear test coatings according to claim 6, characterized in that The support assembly is located above the pin disc (2).

8. A device for the coating of sliding wear test coatings according to claim 7, characterized in that The column (1), the pin disc (2), the connecting piece (3), the support rod (4) and the rotating shaft (5) are all made of stainless steel.

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