Bearing turning tool clamp

Abstract

The utility model discloses a bearing lathing work fixture, which belongs to the technical field of bearing production and comprises a base, a driving mechanism and a clamping mechanism, the driving mechanism and the clamping mechanism are arranged on the base, the clamping mechanism consists of a plurality of clamping units, each clamping unit comprises a fixed seat, a push rod and a pressing plate, the push rod is horizontally arranged, one end of the push rod is connected with the fixed seat, and the other end of the push rod is connected with the pressing plate. One end of the push rod is movably connected with the center of the pressing plate, the other end of the push rod is movably connected with the center of the pressing plate, a first supporting rod and a second supporting rod are arranged above and below the push rod in parallel at intervals, one end of the first supporting rod and one end of the second supporting rod are movably connected with the pressing plate, and the other end of the first supporting rod and the other end of the second supporting rod are in sliding fit with the fixing base; when the pressing plate abuts against the bearing ring, the gradient is adjusted in a self-adaptive mode. According to the bearing lathing tool clamp, the inclination angle is adjusted in a self-adaptive mode through the pressing plate, the application range of the bearing lathing tool clamp is widened, and the bearing ring lathing efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing production, and particularly relates to a bearing lathe processing fixture. Background Art

[0002] Rolling bearings are precision parts, and the manufacture of a set of bearings requires dozens of processes. The turning of bearing rings is a very important process in bearing production. The labor of turning accounts for 25% to 30% of the entire bearing production, and lathes account for about 40% of the total number of machine tools. In the entire manufacturing process of the rings, turning is to remove black skin and excess metal to complete part of the final processing. The quality of turning directly affects the quality and accuracy of grinding, so the tooling and fixtures of bearing rings are very demanding. At the same time, as a standard product, bearings have tens of thousands of varieties, and the versatility of tooling and fixtures is very important.

[0003] Although the existing tooling fixtures can fix bearing rings within a certain size range, bearing rings with different cone angles need to be replaced with different chucks, which are not universal, have high costs, are time-consuming and labor-intensive to replace, and have an adverse effect on the machining efficiency of the bearing rings. Utility Model Content

[0004] The utility model aims to provide a bearing lathe processing fixture, aiming to solve the problems existing in the prior art in the above-mentioned background technology.

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

[0006] A bearing turning tooling fixture comprises a base, and a driving mechanism and a clamping mechanism arranged on the base, wherein the clamping mechanism is composed of a plurality of clamping units, and the clamping unit comprises a fixed seat, a push rod and a pressure plate, wherein the push rod is horizontally arranged, one end of the push rod is connected to the fixed seat, and the other end is movably connected to the center of the pressure plate, a first support rod and a second support rod are respectively arranged in parallel and spaced apart above and below the push rod, one end of the first support rod and the second support rod are respectively movably connected to the pressure plate, and the other ends are respectively slidably matched with the fixed seat, and the driving mechanism is used to drive the fixed seat to move toward the bearing ring, so that the inclination of the pressure plate can be adaptively adjusted when the pressure plate abuts against the bearing ring.

[0007] Furthermore, the driving mechanism includes a motor and a screw, the base is provided with a slide groove, the number of the slide grooves is the same as the clamping unit, and the multiple slide grooves are arranged in a divergent manner along the center of the base, the screw is horizontally inserted into the slide groove, the screw sleeve is provided with a slider threadedly connected to it, the slider is connected to the bottom of the fixed seat, and a second bevel gear is provided at one end of the screw close to the center of the base, and a first bevel gear is provided at the output end of the motor, and the first bevel gear is meshed with the second bevel gear for transmission.

[0008] Furthermore, the first support rod and the second support rod are respectively provided with threaded parts, and the threaded parts are located on both sides of the fixing seat and are respectively threadedly connected with locking nuts, and the locking nuts are used to fix the positions of the first support rod and the second support rod.

[0009] Furthermore, baffles are respectively provided at the ends of the threaded portion on both sides of the fixing seat.

[0010] Furthermore, the contact surface between the pressure plate and the bearing ring is an arc-shaped surface.

[0011] Compared with the shortcomings and deficiencies of the prior art, the utility model has the following beneficial effects.

[0012] 1. The utility model provides a bearing turning tooling fixture, the base is provided with a driving mechanism and a clamping mechanism, the motor is driven by the meshing transmission of the first bevel gear and the second bevel gear to drive each screw to rotate, the slider drives the fixed seat to move toward the bearing ring, the fixed seat pushes the pressure plate to abut against the side wall of the bearing ring through the push rod, the pressure plate adaptively adjusts the inclination angle to make the pressure plate fit the side wall of the bearing ring, compared with the existing bearing ring clamping equipment, the bearing turning tooling fixture can not only adapt to bearing rings of different specifications and sizes, but also adapt to bearing rings with different cone angles, which is beneficial to improving the bearing turning efficiency.

[0013] 2. The first support rod and the second support rod are respectively provided with threaded parts, and the locking nuts on both sides of the fixed seat are rotated to make the locking nuts press against the side walls of the fixed seat, thereby fixing the positions of the first support rod and the second support rod. The fixed seat pushes the pressure plate to support the bearing ring through the first support rod, the push rod and the second support rod, which is conducive to uniform force fixation of the bearing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of a bearing lathe processing fixture.

[0015] Figure 2 The utility model is a schematic diagram of the internal structure of a bearing turning tooling fixture.

[0016] Figure 3 yes Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0017] In the figure: 1-base; 2-clamping unit; 3-fixed seat; 4-pressure plate; 5-slide groove; 6-push rod; 7-first support rod; 8-second support rod; 9-screw rod; 10-slider; 11-second bevel gear; 12-first bevel gear; 13-motor; 14-threaded part; 15-baffle; 16-locking nut. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] Reference Figure 1 A bearing turning tooling fixture comprises a base 1, a clamping mechanism and a driving mechanism. The driving mechanism is arranged in the base 1. The driving mechanism drives the clamping mechanism to clamp the bearing ring to complete the turning of the bearing ring.

[0020] Reference Figure 2 and Figure 3 The clamping mechanism is composed of multiple groups of clamping units 2, the number of clamping units 2 is at least 3, the clamping unit 2 includes a fixed seat 3, a push rod 6 and a pressure plate 4, the fixed seat 3 is arranged on the top surface of the base 1, and slides with the base 1, the push rod 6 is horizontally arranged on one side of the fixed seat 3, one end of the push rod 6 is connected to the side wall of the fixed seat 3, and the other end is movably connected to the middle position of the pressure plate 4, so that the pressure plate 4 can swing back and forth, and a first support rod 7 and a second support rod 8 parallel to the push rod 6 are arranged above and below the push rod 6, respectively, one end of the first support rod 7 is movably connected to the upper part of the pressure plate 4, and the other end is slidably matched with the fixed seat 3, one end of the second support rod 8 is movably connected to the lower part of the pressure plate 4, and the other end is slidably matched with the fixed seat 3 The pressure plate 4 can be swung back and forth to adapt to the inclination of the side walls of the bearing rings. Preferably, the side of the pressure plate 4 in contact with the bearing ring adopts an arc-shaped surface, which is beneficial to improving the fit between the pressure plate 4 and the side walls of the bearing ring. The first support rod 7 is provided with a threaded portion 14, and the threaded portion 14 is aligned with the fixing seat 3 and extends to both sides of the fixing seat 3. Baffles 15 are respectively arranged at both ends of the threaded portion 14, and the threaded portions at both ends of the fixing seat 3 are respectively sleeved with locking nuts 16, which are threadedly connected to the threaded portion 14, and abut against the fixing seat 3 through the locking nuts 16 on both sides to fix the position of the first support rod 7. The second support rod 8 is also provided with a threaded portion 14, and the structure is the same as that of the first support rod 7, which will not be repeated here.

[0021] The driving mechanism includes a motor 13, a first bevel gear 12 and a screw rod 9. A slide groove 5 is embedded in the base 1. The number of the slide grooves 5 is the same as the number of the clamping units 2. The base 1 adopts a circular structure. The slide grooves 5 are evenly arranged in a divergent shape along the center of the base 1. The screw rod 9 is horizontally inserted into the slide groove 5. The two ends of the screw rod 9 are respectively rotatably matched with the ends of the slide groove 5, wherein the end of the screw rod 9 close to the center of the base 1 is connected to the vertically arranged second bevel gear 11, the first bevel gear 12 is horizontally arranged, the first bevel gear 12 is meshed with the second bevel gear 11 for transmission, the motor 13 is connected to the first bevel gear 12 for transmission, a slider 10 is sleeved on the screw rod 9 and is threadedly connected to it, the slider 10 is slidably matched with the slide groove 5, the notch of the slide groove 5 is located on the top surface of the base 1, and the slider 10 is connected to the bottom of the fixed seat 3.

[0022] When the bearing turning tooling fixture is used, the bearing ring is placed on the top surface of the base 1, and the motor 13 drives the first bevel gear 12 to rotate. The first bevel gear 12 respectively meshes with and transmits multiple second bevel gears 11, and drives the slider 10 to move along the slide groove 5 through the screw rod 9, so that multiple fixed seats 3 move synchronously in the direction away from the center of the base 1, and the pressure plate 4 contacts the side wall of the bearing ring. The pressure plate 4 adaptively adjusts the inclination angle according to the inclination of the side wall of the bearing ring. The first support rod 7 and the second support rod 8 slide along the fixed seat 3 respectively, and the locking nuts 16 on the first support rod 7 on both sides of the fixed seat 3 and the locking nuts 16 on the second support rod 8 are rotated so that each locking nut 16 is pressed against the corresponding side wall of the fixed seat 3, thereby fixing the first support rod 7 and the second support rod 8, so that the pressure plate 4 is evenly stressed, and the bearing ring is fixed by each pressure plate 4.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing turning fixture, characterized in that: The invention comprises a base (1), and a driving mechanism and a clamping mechanism arranged on the base (1), wherein the clamping mechanism is composed of a plurality of clamping units (2), wherein the clamping unit (2) comprises a fixed seat (3), a push rod (6) and a pressure plate (4), wherein the push rod (6) is arranged horizontally, one end of the push rod (6) is connected to the fixed seat (3), and the other end is movably connected to the center of the pressure plate (4), and a first support rod (7) and a second support rod (8) are arranged above and below the push rod (6) in parallel and at intervals, respectively, wherein one end of the first support rod (7) and the second support rod (8) are respectively movably connected to the pressure plate (4), and the other end are respectively slidably matched with the fixed seat (3), and the driving mechanism is used to drive the fixed seat (3) to move toward the bearing ring, so that the pressure plate (4) can adaptively adjust its inclination when it contacts the bearing ring.

2. The bearing turning fixture as claimed in claim 1, characterized in that: The driving mechanism comprises a motor (13) and a screw (9); the base (1) is provided with a slide groove (5); the number of the slide grooves (5) is the same as the number of the clamping units; a plurality of slide grooves (5) are arranged in a divergent manner along the center of the base (1); the screw (9) is horizontally inserted into the slide groove (5); the screw (9) is sleeved with a slider (10) threadedly connected thereto; the slider (10) is connected to the bottom of the fixed seat (3); a second bevel gear (11) is provided at one end of the screw (9) close to the center of the base (1); a first bevel gear (12) is provided at the output end of the motor (13); the first bevel gear (12) is meshed with the second bevel gear (11) for transmission.

3. The bearing turning fixture as claimed in claim 2, characterized in that: The first support rod (7) and the second support rod (8) are respectively provided with a threaded portion (14), and the threaded portions (14) on both sides of the fixing seat (3) are respectively threadedly connected to locking nuts (16), and the locking nuts (16) are used to fix the positions of the first support rod (7) and the second support rod (8).

4. The bearing turning fixture as claimed in claim 3, characterized in that: Baffles (15) are respectively provided at the ends of the threaded portion (14) located on both sides of the fixing seat (3).

5. The bearing turning fixture according to claim 1, characterized in that: The contact surface between the pressure plate (4) and the bearing ring is an arc-shaped surface.

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