Device for testing adhesive force of blackening film on surface of cylindrical roller

Abstract

A cylindrical roller surface blackening film adhesive force testing device comprises a clamp used for fixing a tested cylindrical roller, a supporting frame and a loading mechanism, the clamp is installed on a movable sliding table, and the loading mechanism is located above the clamp and installed on the supporting frame. The loading mechanism comprises a loading head, a loading rod and a loading assembly, the loading rod is installed on the supporting frame in a vertically movable mode, the loading assembly is installed at the upper end of the loading rod and used for outputting loads, the lower end of the loading rod penetrates through the supporting frame and is connected with the loading head, and an arc groove in the lower end of the loading head makes contact with the rolling face of the detected cylindrical roller. And test cloth for testing adhesive force is also arranged on the inner wall of the arc groove. According to the scheme, the applied load can be adjusted to drive the clamp to drive the to-be-tested roller to move so as to complete the testing process, and qualitative analysis on the adhesion state of the blackening film on the surface of the cylindrical roller can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of rolling bearing performance testing, in particular to a device for testing the adhesion of a blackened film on the surface of a cylindrical roller. Background Art

[0002] It is known that in order to improve the corrosion resistance of bearings, a black film can be formed by performing a high-temperature oxidation blackening treatment on the surface of bearing parts, and the black film forms a surface film.

[0003] At present, there are no relevant standards for testing black oxide films in China. The wiping method is generally used internationally. The test method is: wipe the untreated blackened parts with a clean white cloth. Usually, no black or any other colors should appear on the white cloth. There is currently no relevant testing device in the industry. Therefore, how to provide a device for testing the adhesion of the black oxide film on the surface of a cylindrical roller has become a technical demand of technicians in this field, so as to maintain a consistent test state and evaluate the adhesion performance of the black oxide film on the surface of the cylindrical roller. Utility Model Content

[0004] In order to solve the above technical problems, the purpose of the utility model is to propose a device for testing the adhesion of the black film on the surface of a cylindrical roller. This solution can adjust the applied loads to drive the fixture to move the roller to be tested to complete multiple testing processes, and can realize qualitative analysis of the adhesion state of the black film on the surface of the cylindrical roller.

[0005] The technical solution adopted by the utility model is: a device for testing the adhesion of blackened film on the surface of a cylindrical roller, comprising a fixture for fixing the cylindrical roller to be tested, a support frame and a loading mechanism, the fixture being installed on a movable slide, the loading mechanism being located above the fixture and installed on the support frame, the loading mechanism comprising a loading head, a loading rod movable up and down and installed on the support frame, and a loading assembly, the loading assembly being installed on the upper end of the loading rod for outputting the load, the lower end of the loading rod passing through the support frame and connected to the loading head, the arc groove at the lower end of the loading head being in contact with the rolling surface of the cylindrical roller to be tested, and a test cloth for testing adhesion being also provided on the inner wall of the arc groove.

[0006] As a preferred solution, a ball screw mechanism is further provided for driving the slide to move, and the clamp is mounted on the slide via a locking assembly.

[0007] As a preferred solution, the ball screw mechanism is installed on a supporting base plate with a long groove.

[0008] As a preferred solution, the support frame includes a support plate and a column arranged below the support plate. The support plate is provided with a hole for fixing and installing a linear bearing. The loading rod is installed in the inner hole of the linear bearing and can move up and down along its axial direction.

[0009] As a preferred solution, a flange is provided on the outer side of the linear bearing, a through hole is provided on the flange, and the flange is mounted on the support plate through a locking assembly.

[0010] As a preferred solution, the arc curvature of the arc groove at the lower end of the loading head is greater than the curvature of the rolling surface of the cylindrical roller to be measured.

[0011] As a preferred solution, the loading assembly consists of a loading disc and a weight. The loading disc is fixed to an end of the loading rod away from the loading head, and the weight is placed on the loading disc.

[0012] The beneficial effects of the utility model are:

[0013] Based on the defects of the existing technology, this solution provides a device for testing the adhesion of the black film on the surface of a cylindrical roller. By optimizing the structural design, this solution installs a fixture that fixes the cylindrical roller to be tested on a movable slide, and the loading mechanism is placed on the top. The loading component outputs the load, driving the loading rod and the loading head to move downward, and making the test cloth on the arc groove wall at its lower end contact the rolling surface of the cylindrical roller to be tested; this solution can adjust the applied different loads to drive the fixture to drive the roller to be tested to move to complete multiple testing processes, so as to achieve a qualitative analysis of the adhesion state of the black film on the surface of the cylindrical roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a side view of the present utility model.

[0017] Figure numerals: 1. Support base plate, 2. Support frame, 201. Support plate, 202. Column, 3. Loading mechanism, 301. Loading head, 302. Loading rod, 303. Linear bearing, 304. Loading plate, 305. Weight, 4. Ball screw mechanism, 5. Clamp, 6. Cylindrical roller to be measured. DETAILED DESCRIPTION

[0018] The present invention is described in detail below by way of exemplary embodiments. However, it should be understood that, without further description, elements, structures, and features in one embodiment may also be beneficially combined in other embodiments.

[0019] It should be noted that: unless otherwise defined, the technical or scientific terms used herein shall have the usual meanings understood by persons having ordinary skills in the field to which the present invention belongs; the words “one”, “an” or “the” and the like used in the description and claims of the present utility model patent application do not express quantitative limitations, but indicate the presence of at least one; the words “include” or “comprise” and the like indicate that the elements or objects appearing before “include” or “comprise” include the elements or objects listed after “include” or “comprise” and their equivalents, but do not exclude other elements or objects with the same function;

[0020] like Figure 1-2 As shown, a device for testing the adhesion of a blackened film on the surface of a cylindrical roller is mainly composed of a supporting base plate 1, a supporting frame 2, a loading mechanism 3, a ball screw mechanism 4, a fixture 5, and a cylindrical roller 6 to be tested. The supporting base plate 1 is fixedly mounted on a test base, the ball screw mechanism 4 and the supporting frame 2 are both mounted on the supporting base plate 1, a reciprocating slide is provided on the ball screw mechanism 4, the fixture is mounted on the slide by a locking assembly, the cylindrical roller 6 to be tested is mounted on the fixture 5 and is driven to reciprocate by the ball screw mechanism 4, and the loading mechanism 3 is fixedly mounted on a test base. The loading mechanism 3 is located above the fixture 5 and is installed on the support frame 2. The loading mechanism 3 includes a loading head 301, a loading rod 302 that can move up and down and is installed on the support frame 2, a load plate 304 and a weight 305. The load plate 304 is fixed to the upper end of the loading rod 302, and the lower end of the loading rod 302 passes through the support frame 2 and is connected to the loading head 301. The arc groove at the lower end of the loading head 301 contacts the rolling surface of the cylindrical roller 6 to be tested, and a test cloth for testing adhesion is also provided on the inner wall of the arc groove.

[0021] The specific structure and testing process of the black film adhesion test device on the surface of the cylindrical roller are described in detail with reference to the accompanying drawings:

[0022] In this embodiment, the support base plate 1 is a rectangular thin plate structure, with a long groove in the middle for installing the ball screw mechanism 4, and four through holes evenly distributed in the middle longitudinal rectangle for installing the support frame 2.

[0023] In this embodiment, the support frame 2 is composed of a support plate 201 and four columns 202. The support frame 2 is used to fix the linear bearing 303 of the loading mechanism 3;

[0024] In this embodiment, the support plate 201 is a rectangular parallelepiped structure with through holes at the four corners for connecting and fixing with the support column 202 by bolts, a large circular through hole in the middle for matching with the outer diameter of the linear bearing 303, and small through holes evenly distributed outside the large circular through hole for fixing the linear bearing 303;

[0025] In this embodiment, the support column 202 is a cylinder with threaded holes at both ends. One end can be connected and fixed to the support plate 201 by bolts, and the other end can be connected and fixed to the through hole on the support base plate 1 by bolts.

[0026] In this embodiment, the loading mechanism 3 is composed of a loading head 301, a loading rod 302, a linear bearing 303, a loading plate 304 and a weight 305; each component is described in detail as follows:

[0027] The loading head 301 is an inverted "T"-shaped structure, with an arc groove in the middle of the lower end for mating with the rolling surface of the cylindrical roller to be tested. The curvature of the arc groove is slightly greater than the curvature of the rolling surface of the cylindrical roller 6 to be tested. In addition, a test cloth for testing adhesion is placed in the arc groove structure. The upper end of the loading head 301 is provided with a threaded hole, which is connected and fixed to the loading rod 302 via a stud.

[0028] The loading rod 302 is a cylindrical structure with threaded holes at both ends. The lower end is connected to the loading head via a stud, and the upper end is connected to the load plate 304 via a bolt. The loading rod 302 is installed in the inner hole of the linear bearing 303 and can move up and down along its axis.

[0029] The outer side of the linear bearing 303 is provided with a flange, which is provided with a through hole and can be mounted on the support plate 201 by bolts and nuts. A large number of balls are provided on the inner diameter of the linear bearing 303 to guide the loading rod 302 so that the loading rod 302 can move along the axis direction of the linear bearing 303;

[0030] The load plate 304 is a circular structure with a through hole in the middle. The load plate 304 can be fixed to one end of the loading rod 302 by bolts. The load plate 304 is used to place the weight 305.

[0031] The weight 305 is a conventional weight, which is used to provide a load when testing adhesion. The size of the weight can be changed according to different requirements.

[0032] In this embodiment, the ball screw mechanism 4 is a standard component, and its lower end face is fixed to the middle transverse long groove of the support base plate 1 by bolts. A fixture 5 is fixedly installed on the slide in the ball screw mechanism 4. The ball screw mechanism 4 can drive the fixture 5 and the cylindrical roller 6 to move, and cooperate with the loading head 301 to test the adhesion of the black film of the cylindrical roller to be tested.

[0033] In this embodiment, the fixture 5 is a conventional fixture, which is mounted on the slide of the ball screw 5 by bolts and nuts. The fixture 5 is used to fix the cylindrical roller 6 to be tested so that the arc groove at the lower end of the loading head 301 can fully contact the rolling surface of the cylindrical roller 6 to be tested.

[0034] In this embodiment, in order to display the test results more clearly, the color of the test cloth is preferably white.

[0035] The specific testing process of the cylindrical roller surface black film adhesion test device is as follows:

[0036] Step 1: Test preparation:

[0037] First, clamp the cylindrical roller 6 to be tested into the fixture 5, and adjust the fixture 5 so that it fixes the cylindrical roller 6 to be tested;

[0038] Step 2: Test and adjust:

[0039] Next, adjust the loading mechanism, fix the test cloth in the arc groove of the loading head 301, and press the loading head 301 against the circumferential surface of the cylindrical roller 6 to be tested. Drive the ball screw mechanism 4 to move the cylindrical roller 6 to be tested back and forth to analyze the color of the test cloth. At the same time, the weight size can be adjusted to apply different loads according to different requirements. Complete multiple tests and conduct a qualitative analysis of the adhesion state of the black film on the cylindrical roller surface.

[0040] The parts not described in detail in the above embodiments are prior art.

[0041] It should be noted that although the present invention has been described through the above embodiments, the present invention may also have other various embodiments. Without departing from the spirit and scope of the present invention, it is obvious that those skilled in the art may make various corresponding changes and modifications to the present invention, and such changes and modifications shall fall within the scope of protection of the appended claims and their equivalents.

Claims

1. A device for testing the adhesion of a blackened film on a cylindrical roller, characterized by: It includes a fixture for fixing the cylindrical roller to be tested, a support frame and a loading mechanism. The fixture is installed on a movable slide. The loading mechanism is located above the fixture and installed on the support frame. The loading mechanism includes a loading head, a loading rod installed on the support frame and movable up and down, and a loading assembly. The loading assembly is installed on the upper end of the loading rod for outputting the load. The lower end of the loading rod passes through the support frame and is connected to the loading head. The arc groove at the lower end of the loading head contacts the rolling surface of the cylindrical roller to be tested. A test cloth for testing adhesion is also provided on the inner wall of the arc groove.

2. The device for testing the adhesion of a blackened film on a cylindrical roller according to claim 1, characterized in that: A ball screw mechanism is also provided for driving the slide to move, and the clamp is mounted on the slide through a locking assembly.

3. The device for testing the adhesion of a blackened film on a cylindrical roller according to claim 2, characterized in that: The ball screw mechanism is installed on a supporting base plate with a long groove.

4. The device for testing the adhesion of a blackened film on a cylindrical roller according to claim 1, characterized in that: The support frame includes a support plate and a column arranged below the support plate. The support plate is provided with a hole for fixing and installing a linear bearing. The loading rod is installed in the inner hole of the linear bearing and can move up and down along its axial direction.

5. The device for testing the adhesion of a blackened film on a cylindrical roller according to claim 4, characterized in that: The outer side of the linear bearing is provided with a flange, the flange is provided with a through hole, and is mounted on the support plate through a locking assembly.

6. The device for testing the adhesion of a blackened film on a cylindrical roller according to claim 1, characterized in that: The arc curvature of the arc groove at the lower end of the loading head is greater than the curvature of the rolling surface of the cylindrical roller to be measured.

7. The device for testing the adhesion of a blackened film on a cylindrical roller according to claim 1, characterized in that: The loading assembly consists of a loading disc and a weight. The loading disc is fixed to an end of the loading rod away from the loading head, and the weight is placed on the loading disc.

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