Porosity detection device for powder metallurgy oil bearing

Abstract

The utility model discloses a porosity detection device for a powder metallurgy oil-retaining bearing, and particularly relates to the technical field of porosity detection, the porosity detection device comprises a base, the top end of the base is fixedly connected with a first electronic scale, a first measuring cup and a second electronic scale, the first measuring cup is installed between the first electronic scale and the second electronic scale, and the second electronic scale is installed between the first measuring cup and the second measuring cup. A second measuring cup is installed at the top end of the second electronic scale, a clamping assembly is installed on the outer side of the base, and a discharging mechanism is installed at the top end of the base. The discharging mechanism comprises a first stepping motor, the first stepping motor is fixedly connected with one side of the base, and the output end of the first stepping motor is fixedly connected with a first lead screw. Through the arrangement of the clamping assembly and the blanking mechanism, accidental falling of the oil bearing caused by other external forces in the detection process is reduced, so that damage to operators or equipment is reduced, automatic blanking of the oil bearing can be realized, the time of manual operation is shortened, and the efficiency of the detection process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to porosity detection technical field, more specifically, the utility model relates to a kind of porosity detection device for powder metallurgy oil bearing. BACKGROUND

[0002] Powder metallurgy bearing is formed by metal powder and other antifriction material powder pressing, sintering, shaping and oil immersion, with porous structure, after impregnation in hot oil, interstitial space is filled with lubricating oil, work due to the suction effect and friction heat of journal rotation, make metal and oil heat expansion, oil is extruded from interstitial space, and then friction surface is lubricated, bearing is cooled, and oil is sucked back into interstitial space.

[0003] In actual use, it is necessary for staff to manually pick up oil-containing bearing and place it into measuring cup for detection, but it is inconvenient to effectively limit and fix oil-containing bearing during manual operation, which can cause oil-containing bearing to fall off during movement, and can cause measuring device to be damaged, increasing maintenance cost. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a porosity detection device for powder metallurgy oil-containing bearing to solve the problems raised in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A porosity detection device for powder metallurgy oil-containing bearing, comprising a base, the top end of the base is fixedly connected with a first electronic scale, a first measuring cup and a second electronic scale, the first measuring cup is installed between the first electronic scale and the second electronic scale, the top end of the second electronic scale is installed with a second measuring cup, the outer side of the base is installed with a clamping assembly, and the top end of the base is installed with a discharging mechanism.

[0007] The blanking mechanism comprises a first stepper motor, the first stepper motor is fixedly connected with one side of a base, a first screw rod is fixedly connected with an output end of the first stepper motor, the first screw rod is rotationally connected with the inside of the base, a threaded barrel is threadedly connected with the outside of the first screw rod, a supporting plate is fixedly connected with the top end of the threaded barrel, two first sliding grooves are formed in the front side of the supporting plate, a second stepper motor is fixedly connected with the top end of the supporting plate, a second screw rod is fixedly connected with the output end of the second stepper motor, the second screw rod is rotationally connected with the inside of the supporting plate, a movable plate is threadedly connected with the outside of the supporting plate, an electric push rod is fixedly connected with the top end of the movable plate, a fixed barrel is fixedly connected with the bottom end of the movable plate, an extrusion column is fixedly connected with the output end of the electric push rod, a plurality of second sliding grooves are formed in the outside of the extrusion column, a plurality of moving plates are slidably connected in the inside of the fixed barrel, a sliding block is fixedly connected with one side of each moving plate, and the sliding block is slidably connected with the inside of each second sliding groove.

[0008] By adopting the above technical scheme, the oil-containing bearing can be stably clamped and taken, and sample damage or deformation caused by falling off can be reduced.

[0009] As a further description of the above technical scheme, the blanking mechanism comprises a supporting frame, the supporting frame is fixedly connected with the top end of the base, a third sliding groove is formed in the upper surface of the base, a fixed ring is fixedly connected with one side of the supporting frame, a blanking barrel is fixedly connected in the inside of the fixed ring, a variable frequency motor is fixedly connected in the inside of the base, a rotating disc is fixedly connected with the output end of the variable frequency motor, a sliding ring is fixedly connected with the bottom end of the rotating disc, and the sliding ring is slidably connected with the inside of the third sliding groove.

[0010] By adopting the above technical scheme, the oil-containing bearing can be quickly blanked, and the efficiency of porosity detection can be improved.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. By setting up the clamping assembly, compared with the prior art, the extrusion column extrudes the plurality of moving plates to drive the clamping ring to support and clamp inside the oil-containing bearing, reduces the accidental falling off of the oil-containing bearing in the detection process due to other external forces, thereby reducing the damage to the operators or equipment, and reducing the sample damage or deformation caused by falling off;

[0013] 2. By setting up the blanking mechanism, compared with the prior art, the rotating disc can automatically blank the oil-containing bearing, the time of manual operation is reduced, the oil-containing bearing can maintain a stable posture and position during blanking, and the plurality of clamping rings can quickly clamp the oil-containing bearing, thereby improving the efficiency of the detection process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model.

[0015] Figure 2 It is the base top end structure schematic view of the utility model.

[0016] Figure 3 It is the thread cylinder structure schematic view of the utility model.

[0017] Figure 4 It is the fixed cylinder cross section structure schematic view of the utility model.

[0018] Figure 5 It is the mobile plate connecting place local structure schematic view of the utility model.

[0019] Figure 6 It is the base cross section structure schematic view of the utility model.

[0020] The figure mark is: 1, base;2, first electronic scale;3, measuring cup;4, second electronic scale;5, second measuring cup;6, first step motor;7, first screw;8, thread cylinder;9, support plate;10, second step motor;11, first sliding groove;12, movable plate;13, electric push rod;14, fixed cylinder;15, extrusion column;16, second sliding groove;17, mobile plate;18, sliding block;19, clamping ring;20, second screw;21, support frame;22, fixed ring;23, blanking cylinder;24, frequency conversion motor;25, rotary table;26, slip ring;27, third sliding groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0022] The embodiment of the application discloses a kind of porosity detection devices for powder metallurgy oil bearing as shown in Figures 1-6 Including base 1, base 1 top end fixedly connected with first electronic scale 2, first measuring cup 3 and second electronic scale 4, first measuring cup 3 is installed between first electronic scale 2 and second electronic scale 4, second electronic scale 4 top end is installed with second measuring cup 5, base 1 outer side is installed with clamping assembly, base 1 top end is installed with blanking mechanism;

[0023] The blanking mechanism comprises a first stepper motor 6 fixedly connected to one side of the base 1, a first screw rod 7 fixedly connected to an output end of the first stepper motor 6, the first screw rod 7 being rotatably connected to the inside of the base 1, a threaded cylinder 8 threadedly connected to the outside of the first screw rod 7, a support plate 9 fixedly connected to the top end of the threaded cylinder 8, two first sliding grooves 11 formed in the front side of the support plate 9, a second stepper motor 10 fixedly connected to the top end of the support plate 9, a second screw rod 20 fixedly connected to an output end of the second stepper motor 10, the second screw rod 20 being rotatably connected to the inside of the support plate 9, a movable plate 12 threadedly connected to the outside of the support plate 9, an electric push rod 13 fixedly connected to the top end of the movable plate 12, a fixed cylinder 14 fixedly connected to the bottom end of the movable plate 12, an extrusion column 15 fixedly connected to an output end of the electric push rod 13, a plurality of second sliding grooves 16 formed in the outside of the extrusion column 15, a plurality of moving plates 17 slidably connected to the inside of the fixed cylinder 14, a sliding block 18 fixedly connected to one side of the moving plate 17, the sliding block 18 being slidably connected to the inside of the second sliding groove 16, a clamping ring 19 fixedly connected to the other side of the moving plate 17, the extrusion column 15 is driven downward by the electric push rod 13, so that the extrusion column 15 can extrude the plurality of moving plates 17 downward, one side of the moving plate 17 is adapted to the outside of the extrusion column 15 in the form of an arc surface, so that the plurality of moving plates 17 can drive the clamping ring 19 to be supported and clamped by the oil-impregnated bearing, the damage or deformation of the sample caused by artificial clamping falling is reduced, and the oil-impregnated bearing is prevented from accidentally falling due to other external forces during the detection process.

[0024] Referring to Figure 2 and 6 As shown in the figure, the blanking mechanism comprises a support frame 21 fixedly connected to the top end of the base 1, a third sliding groove 27 formed in the upper surface of the base 1, a fixed ring 22 fixedly connected to one side of the support frame 21, a blanking cylinder 23 fixedly connected to the inside of the fixed ring 22, a variable frequency motor 24 fixedly connected to the inside of the base 1, a turntable 25 fixedly connected to an output end of the variable frequency motor 24, a sliding ring 26 fixedly connected to the bottom end of the turntable 25, the sliding ring 26 being slidably connected to the inside of the third sliding groove 27, the turntable 25 is driven to rotate by the variable frequency motor 24, the sliding ring 26 is slidably connected to the inside of the third sliding groove 27, so that the turntable 25 can stably rotate, and the oil-impregnated bearing in the inside of the blanking cylinder 23 can fall into the groove on the upper surface of the turntable 25, so as to automatically blank the oil-impregnated bearing, thereby improving the efficiency of the detection process.

[0025] The utility model discloses a kind of porosity detection devices for powder metallurgy oil-impregnated bearing, and specific structure is as shown in the drawing Figures 1-6As shown, in the technical scheme, through the cooperation between various structures, first, the oil-impregnated bearing is placed in the blanking cylinder 23 in turn, then the frequency conversion motor 24 is started, the frequency conversion motor 24 is used to drive the rotating disc 25 to rotate, the rotating disc 25 can stably rotate through the sliding ring 26 and the sliding connection inside the third sliding groove 27, when the rotating disc 25 rotates, the oil-impregnated bearing can fall into the groove on the surface of the rotating disc 25, then the second stepper motor 10 is started, the second stepper motor 10 is used to drive the second lead screw 20 to rotate, so that the second lead screw 20 can drive the movable plate 12 to move downwards through the thread, so that the fixed cylinder 14 can move to the inside of the oil-impregnated bearing, then the electric push rod 13 is started, the electric push rod 13 is used to push the extrusion column 15 to slide inside the fixed cylinder 14, the extrusion column 15 outside is matched with the arc surface inside the plurality of movable plates 17, so that the plurality of movable plates 17 can extend outwardly under the extrusion of the extrusion column 15 downwards, so that the plurality of movable plates 17 can drive the clamping ring 19 to support in the oil-impregnated bearing, so that the oil-impregnated bearing can be clamped and limited;

[0026] When the porosity of the powder metallurgy oil-impregnated bearing needs to be detected, the first stepper motor 6 is used to drive the first lead screw 7 to rotate, the first lead screw 7 can drive the support plate 9 to move left and right through the thread and the thread cylinder 8, the second lead screw 20 can drive the fixed cylinder 14 to move up and down through the thread, so that the fixed cylinder 14 and the support plate 9 can first drive the oil-impregnated bearing to be weighed on the first electronic scale 2, then the oil-impregnated bearing is placed in the first measuring cup 3 for soaking, then the oil-impregnated bearing is placed on the first electronic scale 2 again to weigh the wet weight, then the oil-impregnated bearing is placed in the second measuring cup 5 to record the weight in water, by measuring the weight of the sample in air and in water, combined with the volume and density of the sample, the porosity can be calculated.

[0027] Among them, the utility model discloses an embodiment attached diagram only relates to the structure involved in the embodiment of the disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0028] The contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of various appliances are not specifically limited, and conventional equipment can be used, in the technical scheme, the appliance control elements not mentioned belong to the prior art, so they are not shown in the drawings, and will not be described here;

[0029] Finally: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A porosity detection device for powder metallurgical oil-impregnated bearings, comprising a base (1), characterized in that: The top end of the base (1) is fixedly connected with a first electronic scale (2), a first measuring cup (3) and a second electronic scale (4), the first measuring cup (3) is installed between the first electronic scale (2) and the second electronic scale (4), the top end of the second electronic scale (4) is installed with a second measuring cup (5), the outer side of the base (1) is installed with a clamping assembly, and the top end of the base (1) is installed with a discharging mechanism. The discharging mechanism comprises a first stepper motor (6), the first stepper motor (6) is fixedly connected with one side of the base (1), the output end of the first stepper motor (6) is fixedly connected with a first lead screw (7), the first lead screw (7) is rotatably connected with the inside of the base (1), the outer side of the first lead screw (7) is threadedly connected with a threaded cylinder (8), the top end of the threaded cylinder (8) is fixedly connected with a supporting plate (9), two first sliding grooves (11) are formed in the front side of the supporting plate (9), and the top end of the supporting plate (9) is fixedly connected with a second stepper motor (10).

2. The porosity detection apparatus for powder metallurgy oil-impregnated bearings according to claim 1, characterized in that: The output end of the second stepper motor (10) is fixedly connected with a second lead screw (20), the second lead screw (20) is rotatably connected with the inside of the supporting plate (9), and the outer side of the supporting plate (9) is threadedly connected with a movable plate (12).

3. The porosity detection apparatus for powder metallurgy oil-impregnated bearings according to claim 2, characterized in that: The top end of the movable plate (12) is fixedly connected with an electric push rod (13), the bottom end of the movable plate (12) is fixedly connected with a fixed cylinder (14), and the output end of the electric push rod (13) is fixedly connected with a pressing column (15).

4. The porosity detection apparatus for powder metallurgy oil-impregnated bearings according to claim 3, characterized in that: A plurality of second sliding grooves (16) are formed in the outer side of the pressing column (15), a plurality of moving plates (17) are slidably connected in the inside of the fixed cylinder (14), one side of the moving plate (17) is fixedly connected with a sliding block (18), the sliding block (18) is slidably connected with the inside of the second sliding groove (16), and the other side of the moving plate (17) is fixedly connected with a clamping ring (19).

5. The porosity detection apparatus for powder metallurgy oil-impregnated bearings according to claim 1, characterized in that: The discharging mechanism comprises a supporting frame (21), the supporting frame (21) is fixedly connected with the top end of the base (1), and a third sliding groove (27) is formed in the upper surface of the base (1).

6. The porosity detection apparatus for powder metallurgy oil-impregnated bearings according to claim 5, characterized in that: One side of the supporting frame (21) is fixedly connected with a fixed ring (22), and the inside of the fixed ring (22) is fixedly connected with a discharging cylinder (23).

7. The porosity detection apparatus for powder metallurgy oil-impregnated bearings according to claim 1, characterized in that: The inside of the base (1) is fixedly connected with a variable frequency motor (24), the output end of the variable frequency motor (24) is fixedly connected with a rotating disc (25), the bottom end of the rotating disc (25) is fixedly connected with a sliding ring (26), and the sliding ring (26) is slidably connected with the inside of the third sliding groove (27).

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