Mounting hole site detection device for rotary table bearing

Abstract

The utility model discloses a mounting hole site detection device for a rotary table bearing, which comprises a base and a positioning mechanism, the positioning mechanism is arranged in the base and comprises annular grooves, positioning pins, end rings, screw grooves and nuts, the annular grooves with the same circle center and gradually increased radiuses are formed in the base, and the positioning pins are arranged on the end rings. Before detection, one end of the positioning pin is inserted into the mounting hole of the standard rotary table bearing, then the rotary table bearing is placed on the surface of the base, the other end of the positioning pin is inserted into the annular groove of the corresponding specification, and at the moment, the position of the positioning pin can be fixed by screwing the nut along the screw groove at the end of the positioning pin. The positioning pin with the fixed and accurate position can be obtained by taking out the standard component, installation hole positioning detection can be conveniently carried out on the rotary table bearing, use is flexible, adjustment is convenient, and the detection requirements of rotary table bearings of different specifications are met.

Description

Technical Field

[0001] The utility model relates to the technical field of turntable bearing production, in particular to a mounting hole position detection device for turntable bearings. Background Art

[0002] Turntable bearings are a type of bearing that can simultaneously withstand combined loads such as axial load, radial load and overturning moment. They are precision bearings with a special structure that integrates support, rotation, transmission, and fixation functions. Turntable bearings basically adopt a negative clearance preload design to ensure high rigidity and rotation accuracy of the bearings. Generally, the turntable bearings themselves have mounting holes, lubricating oil holes and sealing structures on the inner and outer rings, which are suitable for different installation and use requirements of various types of equipment under precision working conditions. During production, a detection device is required to detect the position of the mounting holes opened inside the turntable bearing.

[0003] The existing turntable bearing mounting hole positioning detection device has the following disadvantages when used: the detection of the turntable bearing mounting hole generally adopts the corresponding detection mold, and the detection mold is provided with a positioning pin structure in a standard position. The detection of the turntable bearing mounting hole structure is completed by observing whether the mounting holes of the turntable bearing can be inserted into the positioning pins in the corresponding positions. However, the existing detection molds are produced according to fixed specifications, that is, the positioning pins are fixed in position. In actual operation, it is also necessary to select the corresponding specifications of the detection mold according to the size specifications of different turntable bearings. The applicability is poor and the cost of the detection tool is high. For this reason, we propose a turntable bearing mounting hole position detection device. Utility Model Content

[0004] The main purpose of the utility model is to provide a mounting hole position detection device for turntable bearings. Through a positioning mechanism arranged on the surface of the base, the position of the positioning pin can be adjusted according to the specifications of different turntable bearings, thereby meeting the detection requirements of bearings of different specifications and effectively solving the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A mounting hole position detection device for a turntable bearing comprises a base and a positioning mechanism, wherein the base is provided with a positioning mechanism inside, and the positioning mechanism comprises an annular groove, a positioning pin, an end ring, a screw groove and a nut, an annular groove with the same center and successively increasing radius is opened inside the base, the end of the positioning pin is inserted into the annular groove and an end ring is welded to one end of the outer periphery of the positioning pin, a screw groove is opened on one side of the outer periphery of the positioning pin at the bottom of the annular groove and a nut is movably connected to the screw groove.

[0007] Furthermore, it also includes a clamping mechanism, a clamping mechanism is arranged on one side of the top of the base, the clamping mechanism includes a vertical plate, a horizontal frame, a spring B, a clamping ring and a roller, a vertical plate is inserted into the top of one end of the base and the vertical plate end plate is fixedly connected to the horizontal frame, both sides of the end of the horizontal frame are detachably connected with clamping rings for clamping bearings through springs B, and rollers are installed inside the clamping rings; a clamping ring is provided at the end of the horizontal frame to clamp and position the turntable bearing to be tested, and the specifications of the clamping ring can be flexibly replaced according to the specifications of the turntable bearing to be tested. During installation, the clamping rings are moved to both sides respectively and the turntable bearing is placed between the clamping rings, and then the clamping rings are loosened to fix the bearing position with the elastic force of the spring B. At this time, the vertical plate is pressed down to observe whether the positioning pin can be accurately inserted into the mounting hole, and the roller structure allows the bearing to rotate between the inside of the clamping ring to adjust the clamping position of the bearing.

[0008] Furthermore, connecting plates are fixedly connected between the adjacent annular grooves; the connecting plate structure fixes the adjacent annular grooves together.

[0009] Furthermore, a spring A is installed vertically on one side of the base, and the base is connected to the bottom of the vertical plate through the spring A; the spring A plays a connecting role, so that the vertical plate can be driven to return to its original position after being pressed down.

[0010] Furthermore, the ends of the springs B are each provided with limit rods penetrating the cross frame; the limit rod structure plays a limiting role so that the clamp ring can only move in the horizontal direction.

[0011] Furthermore, the end ring and the nut surface are respectively fitted to the two sides of the ring groove surface; through the cooperation between the end ring and the nut, the position of the positioning pin is fixed.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the surface of the base is provided with an annular groove structure with the same center but different radii, and the annular groove structures with different radii correspond to turntable bearings of different specifications respectively. The locating pin is a detachable structure. Before testing, one end of the locating pin is inserted into the mounting hole of the standard turntable bearing, and then the turntable bearing is placed on the surface of the base, and the other end of the locating pin is inserted into the annular groove of the corresponding specification. At this time, the locating pin position can be fixed by tightening the nut along the screw groove at the end of the locating pin, and then the standard part can be taken out to obtain a fixed and accurate locating pin, which is convenient for rotating The mounting hole positioning detection of turntable bearings is flexible to use and easy to adjust, meeting the detection requirements of turntable bearings of different specifications. A clamping ring is provided at the end of the horizontal frame to clamp and position the turntable bearing to be tested. The specifications of the clamping ring can be flexibly changed according to the specifications of the turntable bearing to be tested. During installation, the clamping rings are moved to both sides and the turntable bearing is placed between the clamping rings. Then the clamping rings are loosened to fix the bearing position with the elastic force of spring B. At this time, the vertical plate can be pressed down to observe whether the positioning pin can be accurately inserted into the mounting hole. The roller structure allows the bearing to rotate between the clamping rings to adjust the clamping position of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the overall structure of a mounting hole position detection device for a turntable bearing.

[0014] Figure 2 The utility model is a schematic diagram of a top view of the ring groove structure of a mounting hole position detection device for a turntable bearing.

[0015] Figure 3 The utility model is a schematic diagram of the positioning pin installation structure of the installation hole position detection device for the turntable bearing.

[0016] Figure 4 The utility model is a schematic diagram of a vertical plate installation structure of a mounting hole position detection device for a turntable bearing.

[0017] Figure 5 The utility model is a schematic diagram of the clamp ring installation structure of the installation hole position detection device for the turntable bearing.

[0018] In the figure: 1. base; 2. positioning mechanism; 201. ring groove; 202. connecting plate; 203. positioning pin; 204. end ring; 205. screw groove; 206. nut; 3. clamping mechanism; 301. spring A; 302. vertical plate; 303. cross frame; 304. spring B; 305. clamping ring; 306. roller; 307. limit rod. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-5 As shown, a mounting hole position detection device for a turntable bearing includes a base 1 and a positioning mechanism 2. The base 1 is provided with the positioning mechanism 2 inside, and the positioning mechanism 2 includes an annular groove 201, a positioning pin 203, an end ring 204, a screw groove 205 and a nut 206. The base 1 is provided with an annular groove 201 with the same center and successively increasing radius. The end of the positioning pin 203 is inserted into the annular groove 201 and the end of the outer periphery of the positioning pin 203 is welded with the end ring 204. The outer periphery of the positioning pin 203 is provided with a screw groove 205 on one side of the bottom of the annular groove 201 and is movably connected with a nut 206 through the screw groove 205.

[0021] The base 1 further includes a clamping mechanism 3, which is provided on one side of the top of the base 1. The clamping mechanism 3 includes a vertical plate 302, a horizontal frame 303, a spring B304, a clamping ring 305 and a roller 306. The vertical plate 302 is plugged into the top of one end of the base 1, and the vertical plate 302 is fixedly connected to the horizontal frame 303 at the end plate. The ends of the horizontal frame 303 are detachably connected to the clamping ring 305 for clamping the bearing through the spring B304, and the roller 306 is installed inside the clamping ring 305. The clamping ring 305 is provided at the end of the horizontal frame 303. 05 is used to clamp and position the turntable bearing to be tested. The specifications of the clamp ring 305 can be flexibly changed according to the specifications of the turntable bearing to be tested. During installation, the clamp ring 305 is moved to both sides and the turntable bearing is placed between the clamp rings 305. Then the clamp ring 305 is loosened and the bearing position is fixed by the elastic force of the spring B304. At this time, the vertical plate 302 is pressed down to observe whether the positioning pin 203 can be accurately inserted into the installation hole. The roller 306 structure allows the bearing to rotate inside the clamp ring 305 to adjust the clamping position of the bearing.

[0022] Among them, connecting plates 202 are fixedly connected between adjacent annular grooves 201, and the surfaces of the end rings 204 and the nuts 206 are respectively attached to the two sides of the surfaces of the annular grooves 201; the connecting plate 202 structure fixes the adjacent annular grooves 201 together; and the position of the positioning pin 203 is fixed by the cooperation between the end rings 204 and the nuts 206.

[0023] Among them, a spring A301 is installed vertically on one side of the base 1, and the base 1 is connected to the bottom of the vertical plate 302 through the spring A301. The ends of the springs B304 are installed with limit rods 307 that penetrate the cross frame 303; the spring A301 plays a connecting role, so that the vertical plate 302 can be reset after being pressed down, and the limit rod 307 structure plays a limiting role, so that the clamp ring 305 can only move in the horizontal direction.

[0024] It should be noted that the utility model is a mounting hole detection device for a turntable bearing. When in use, the surface of the base 1 is provided with an annular groove 201 structure with the same center but different radius. The annular groove 201 structures with different radiuses correspond to turntable bearings of different specifications. The locating pin 203 is a detachable structure. Before the detection, one end of the locating pin 203 is inserted into the mounting hole of the standard turntable bearing, and then the turntable bearing is placed on the surface of the base 1. The other end of the locating pin 203 is inserted into the annular groove 201 of the corresponding specification. At this time, the nut 206 is tightened along the screw groove 205 at the end of the locating pin 203 to fix the position of the locating pin 203. Then the standard part can be taken out to obtain a fixed and accurate locating pin 203. 3. It is convenient to carry out the positioning detection of the mounting hole of the turntable bearing. It is flexible to use and easy to adjust, and can meet the detection requirements of turntable bearings of different specifications. A clamp ring 305 is provided at the end of the horizontal frame 303 to clamp and position the turntable bearing to be tested. The specifications of the clamp ring 305 can be flexibly changed according to the specifications of the turntable bearing to be tested. During installation, the clamp ring 305 is moved to both sides respectively and the turntable bearing is placed between the clamp rings 305, and then the clamp ring 305 is loosened to fix the bearing position with the elastic force of the spring B304. At this time, the vertical plate 302 is pressed down to observe whether the positioning pin 203 can be accurately inserted into the mounting hole. The roller wheel 306 structure allows the bearing to rotate inside the clamp ring 305 to adjust the clamping position of the bearing.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A mounting hole position detection device for a turntable bearing, comprising a base (1), characterized in that: The invention also comprises a positioning mechanism (2), wherein the base (1) is provided with the positioning mechanism (2), wherein the positioning mechanism (2) comprises an annular groove (201), a positioning pin (203), an end ring (204), a screw groove (205) and a nut (206), wherein the base (1) is provided with an annular groove (201) having the same center and a radius increasing in sequence, wherein the end of the positioning pin (203) is inserted into the annular groove (201) and the end of the outer periphery of the positioning pin (203) is welded with the end ring (204), and the outer periphery of the positioning pin (203) is provided with a screw groove (205) at one side of the bottom of the annular groove (201) and a nut (206) is movably connected to the screw groove (205).

2. The mounting hole position detection device for a turntable bearing according to claim 1, characterized in that: The invention also comprises a clamping mechanism (3), wherein the clamping mechanism (3) is arranged on one side of the top of the base (1), and the clamping mechanism (3) comprises a vertical plate (302), a horizontal frame (303), a spring B (304), a clamping ring (305) and a roller (306); the vertical plate (302) is plugged into the top of one end of the base (1), and the end plate of the vertical plate (302) is fixedly connected to the horizontal frame (303); clamping rings (305) for clamping bearings are detachably connected to both sides of the end of the horizontal frame (303) through springs B (304), and rollers (306) are installed inside the clamping rings (305).

3. The mounting hole position detection device for a turntable bearing according to claim 1, characterized in that: Connecting plates (202) are fixedly connected between adjacent annular grooves (201).

4. The mounting hole position detection device for a turntable bearing according to claim 2, characterized in that: A spring A (301) is installed in a vertical direction on one side of the base (1), and the base (1) is connected to the bottom of the vertical plate (302) via the spring A (301).

5. The mounting hole position detection device for a turntable bearing according to claim 2, characterized in that: The ends of the spring B (304) are both provided with limiting rods (307) penetrating the cross frame (303).

6. The mounting hole position detection device for a turntable bearing according to claim 2, characterized in that: The surfaces of the end ring (204) and the nut (206) are respectively attached to the two sides of the surface of the ring groove (201).

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