Positioning structure for deep groove ball bearing machining

Abstract

The utility model relates to bearing processing technical field, concretely relates to a positioning structure for deep groove ball bearing processing, include: base, four rectangular distribution's support leg is fixedly connected with in base bottom, the base top is fixedly connected with mounting seat, fixed mechanism, including the drive motor of mounting seat outside, the output shaft fixed connection of drive motor has material pole, the one end of material pole is away from mounting seat and is equipped with the air cavity, material pole outside is equipped with four rectangular grooves of cross distribution, and rectangular groove other side communicates with air cavity inside, the rectangular groove inner wall is provided with the rectangular strip that can move along its inner wall, the utility model discloses a fixed mechanism is set up, when polishing and processing to large quantities of bearings, can put in multiple bearings on material pole simultaneously, and fixed, then utilize the polishing stick to polish multiple bearings simultaneously, to greatly improve the processing efficiency of bearing.

Description

Technical Field

[0001] This utility model relates to the field of bearing processing technology, specifically to a positioning structure for processing deep groove ball bearings. Background Technology

[0002] Deep groove ball bearings are among the most widely used basic components in mechanical equipment, and their performance and precision directly affect the quality, lifespan, and reliability of the main machine products. The manufacturing process of deep groove ball bearings typically includes multiple precision machining steps such as turning, heat treatment, grinding, and ultra-precision grinding. Among these steps, especially when grinding and ultra-precision grinding critical parts such as the raceways and flanges of the bearing rings, the ability to quickly, accurately, and reliably position and clamp the rings is the core technical aspect for ensuring the final dimensional accuracy, rotational accuracy, and raceway geometry of the bearing.

[0003] The Chinese utility model patent with authorization announcement number "CN219967341U" is specifically "a positioning structure for grinding roller bearings". The output shaft of the motor drives the grinding head to grind the roller bearing. This device can simultaneously position and grind the roller bearing, preventing the roller bearing from shifting during the grinding process and affecting its grinding accuracy, thus avoiding substandard quality of the roller bearing.

[0004] Although the above-mentioned device can position the bearing, it can only grind one bearing at a time when processing the bearing, which is inefficient in mass production. Utility Model Content

[0005] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a positioning structure for machining deep groove ball bearings, which can effectively solve the problems mentioned in the background technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: This utility model provides a positioning structure for machining deep groove ball bearings, including: The base has four rectangularly distributed support legs fixedly connected to its bottom, and a mounting base fixedly connected to its top. The fixing mechanism includes a drive motor mounted on the outside of the mounting base. The output shaft of the drive motor is fixedly connected to a material rod. An air chamber is opened at the end of the material rod away from the mounting base. Four rectangular slots arranged in a cross shape are opened on the outside of the material rod, and the other side of the rectangular slots communicates with the inside of the air chamber. A rectangular strip that can move along the inner wall of the rectangular slot is provided. A rectangular piston that matches the rectangular slot is fixedly connected to the side of the rectangular strip near the air chamber. A piston block is provided inside the air chamber. The polishing mechanism includes a liftable mounting plate located above the base. Two symmetrically distributed brackets are fixedly connected to the top of the mounting plate, and polishing rods are installed inside each of the two brackets.

[0007] Preferably, two symmetrically distributed limiting blocks are fixedly connected to the inner wall of the rectangular groove, and two symmetrically distributed limiting grooves are opened on the outer side of the rectangular strip, with the limiting blocks slidably connected to the inner wall of the limiting grooves.

[0008] Preferably, a rubber strip is fixedly connected to the side of the rectangular strip away from the air cavity, and anti-slip grooves are provided on the outer side of the rubber strip in a straight line with equal spacing.

[0009] Preferably, an internally threaded block is fixedly connected to the end of the material rod away from the mounting base, and a threaded rod is threadedly connected to the inner wall of the internally threaded block. The end of the threaded rod extending into the air chamber is movably connected to a connecting block through a bearing, and the connecting block is fixedly connected to the outside of the piston block.

[0010] Preferably, a limit ring is fixedly connected to the outside of the material rod.

[0011] Preferably, two symmetrically distributed electric push rods are fixedly connected to the base, and the mounting plate is fixedly connected to the telescopic end of the electric push rods.

[0012] Preferably, the bottom of the mounting plate is fixedly connected to four guide rods arranged in a rectangular pattern, and the other end of each guide rod passes through the base and is slidably connected to the base.

[0013] The technical solution provided by this utility model has the following advantages compared with the known prior art: 1. By setting up a fixing mechanism, this utility model allows multiple bearings to be placed on a material rod and fixed at the same time when grinding a large batch of bearings. Then, the grinding rod is used to grind the multiple bearings at the same time, thereby greatly improving the processing efficiency of bearings.

[0014] 2. This utility model, by setting up a grinding mechanism and a fixing mechanism, allows the piston block to move when the bearing is positioned by rotating the threaded rod. This movement is achieved by using air pressure to move the rectangular block in the rectangular groove, which is then supported and fixed from the inner wall of the bearing outer ring. The grinding rod is raised and lowered to a suitable height by an electric push rod, thereby grinding bearing outer rings of different diameters. This positioning structure has good applicability. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of the positioning structure of this utility model; Figure 2 This is a schematic diagram of the exploded structure of the piston block of this utility model; Figure 3 This is a schematic diagram of the material rod structure of this utility model; Figure 4 This is a schematic diagram of the rectangular strip structure of this utility model; Figure 5 This is a schematic diagram of the mounting plate structure of this utility model.

[0017] The labels in the diagram represent: 1. Base; 2. Support leg; 3. Mounting seat; 4. Fixing mechanism; 401. Material rod; 402. Limiting ring; 403. Rubber strip; 404. Threaded rod; 405. Drive motor; 406. Connecting block; 407. Piston block; 408. Internal threaded block; 409. Air chamber; 410. Limiting block; 411. Rectangular groove; 412. Limiting groove; 413. Rectangular strip; 414. Rectangular piston; 415. Anti-slip groove; 5. Grinding mechanism; 501. Mounting plate; 502. Grinding rod; 503. Bracket; 504. Guide rod; 505. Electric push rod. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0019] The present invention will be further described below with reference to the embodiments.

[0020] Example 1: Reference Figure 1-4 This is the first embodiment of the present invention, which discloses a positioning structure for machining deep groove ball bearings, comprising: The base 1 has four rectangular support legs 2 fixedly connected to its bottom for stable support of the entire structure. The top of the base 1 has a mounting base 3 fixedly connected for mounting the components in the fixing mechanism 4. The fixing mechanism 4 includes a drive motor 405 mounted on the outside of the mounting base 3. The output shaft of the drive motor 405 is fixedly connected to a material rod 401 for driving the bearing to rotate. An air chamber 409 is provided at the end of the material rod 401 away from the mounting base 3, serving as a space for air pressure transmission. Four rectangular grooves 411 arranged in a cross shape are provided on the outside of the material rod 401, and the other side of the rectangular grooves 411 communicates with the inside of the air chamber 409 to accommodate the movement of the rectangular bars 413. The inner wall of the rectangular grooves 411 is provided with rectangular bars 413 that can move along their inner wall for supporting the bearing from the inside. A rectangular piston 414 that matches the rectangular grooves 411 is fixedly connected to the side of the rectangular bars 413 near the air chamber 409 for forming a seal in the air chamber 409. A piston block 407 is provided inside the air chamber 409 for driving changes in air pressure.

[0021] Specifically, two symmetrically distributed limiting blocks 410 are fixedly connected to the inner wall of the rectangular groove 411, and two symmetrically distributed limiting grooves 412 are opened on the outer side of the rectangular strip 413. The limiting blocks 410 are slidably connected to the inner wall of the limiting grooves 412. Through this matching structure, it is ensured that the rectangular strip 413 moves smoothly in the rectangular groove 411 without deflection or falling off, thus improving the stability of the fixation.

[0022] Specifically, a rubber strip 403 is fixedly connected to the side of the rectangular strip 413 away from the air cavity 409 to increase the friction with the inner wall of the bearing. Anti-slip grooves 415 are provided on the outer side of the rubber strip 403 in a straight line with equal spacing to further enhance the anti-slip effect and ensure that the bearing will not loosen during high-speed rotation grinding.

[0023] Specifically, an internally threaded block 408 is fixedly connected to the end of the material rod 401 away from the mounting base 3. A threaded rod 404 is threadedly connected to the inner wall of the internally threaded block 408. The position of the piston block 407 can be precisely controlled by rotating the threaded rod 404. The end of the threaded rod 404 that extends into the air chamber 409 is movably connected to a connecting block 406 through a bearing to ensure that the piston block 407 can be stably pushed when the threaded rod 404 rotates. The connecting block 406 is fixedly connected to the outside of the piston block 407 to convert the rotational motion of the threaded rod 404 into the linear motion of the piston block 407.

[0024] Specifically, a limit ring 402 is fixedly connected to the outside of the material rod 401 to limit the axial movement distance of the bearing on the material rod 401, ensuring that multiple bearings are in the same working area during grinding.

[0025] Example 2: Reference Figure 1 and Figure 5This is the second embodiment of the present invention, which differs from the first embodiment in that: The grinding mechanism 5 includes a lifting mounting plate 501 mounted above the base 1 for adjusting the height of the grinding rod 502. Two symmetrically distributed brackets 503 are fixedly connected to the top of the mounting plate 501 for supporting the grinding rod 502. The grinding rod 502 is installed inside both brackets 503 for simultaneously grinding multiple bearing outer rings.

[0026] Specifically, two symmetrically distributed electric push rods 505 are fixedly connected to the base 1, and the mounting plate 501 is fixedly connected to the telescopic end of the electric push rod 505. Through the telescopic movement of the electric push rod 505, the contact pressure between the grinding rod 502 and the outer ring of the bearing is precisely controlled to adapt to the grinding needs of bearings of different diameters.

[0027] Specifically, four rectangular guide rods 504 are fixedly connected to the bottom of the mounting plate 501. The other end of the guide rods 504 passes through the base 1 and is slidably connected to the base 1. Through the sliding cooperation between the guide rods 504 and the base 1, the mounting plate 501 is kept stable during the lifting process, avoiding shaking during grinding and improving grinding accuracy.

[0028] The remaining structure is the same as that in Example 1.

[0029] The workflow of this utility model is as follows: When grinding the outer ring of a deep groove ball bearing, the bearings to be processed are placed onto the material rod 401 one by one from the end away from the mounting seat 3 until a suitable number of bearing outer rings are fitted on. At this time, the threaded rod 404 is rotated. Under the action of the internal threaded block 408 and the connecting block 406, the rotation of the threaded rod 404 pushes the piston block 407 to move in the air chamber 409. As the piston block 407 moves, under the action of air pressure, it pushes the rectangular bar 413 in the rectangular groove 411 to move outward and fix it from the inner wall of the bearing outer ring. Then, start the electric push rod 505. The electric push rod 505 pushes the mounting plate 501 upward until the outer side of the grinding rod 502 contacts the outer side of the bearing outer ring. At this time, start the drive motor 405. The drive motor 405 drives the material rod 401 to rotate through the output shaft. The rotation of the material rod 401 drives the fixed bearing outer ring to rotate. The grinding rod 502 is used to grind the outer side of the bearing outer ring. After grinding, the electric push rod 505 is retracted downwards, causing the grinding rod 502 to move away. The threaded rod 404 is rotated in the opposite direction, causing the piston block 407 to move outwards. Under the action of negative pressure, the rectangular bar 413 moves into the rectangular groove 411, thus removing the limit on the outer ring of the bearing. At this point, the ground outer ring of the bearing can be removed, completing the grinding process of the bearing.

[0030] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A positioning structure for machining deep groove ball bearings, characterized in that, include: The base (1) has four rectangular support legs (2) fixedly connected to its bottom and a mounting base (3) fixedly connected to its top. The fixing mechanism (4) includes a drive motor (405) installed on the outside of the mounting base (3). The output shaft of the drive motor (405) is fixedly connected to a material rod (401). An air chamber (409) is opened at one end of the material rod (401) away from the mounting base (3). Four rectangular grooves (411) distributed in a cross shape are opened on the outside of the material rod (401). The other side of the rectangular grooves (411) is connected to the inside of the air chamber (409). A rectangular strip (413) that can move along its inner wall is provided on the inner wall of the rectangular groove (411). A rectangular piston (414) that matches the rectangular groove (411) is fixedly connected on the side of the rectangular strip (413) close to the air chamber (409). A piston block (407) is provided inside the air chamber (409). The polishing mechanism (5) includes a lifting mounting plate (501) located above the base (1). The top of the mounting plate (501) is fixedly connected to two symmetrically distributed brackets (503), and each of the two brackets (503) is equipped with a polishing rod (502).

2. The positioning structure for machining deep groove ball bearings according to claim 1, characterized in that, Two symmetrically distributed limiting blocks (410) are fixedly connected to the inner wall of the rectangular groove (411), and two symmetrically distributed limiting grooves (412) are opened on the outer side of the rectangular strip (413). The limiting blocks (410) are slidably connected to the inner wall of the limiting grooves (412).

3. The positioning structure for machining deep groove ball bearings according to claim 1, characterized in that, A rubber strip (403) is fixedly connected to the side of the rectangular strip (413) away from the air cavity (409), and anti-slip grooves (415) are provided on the outer side of the rubber strip (403) in a straight line with equal spacing.

4. The positioning structure for machining deep groove ball bearings according to claim 1, characterized in that, The material rod (401) is fixedly connected to an internal threaded block (408) at one end away from the mounting base (3). The inner wall of the internal threaded block (408) is threadedly connected to a threaded rod (404). The end of the threaded rod (404) extending into the air chamber (409) is movably connected to a connecting block (406) via a bearing. The connecting block (406) is fixedly connected to the outside of the piston block (407).

5. The positioning structure for machining deep groove ball bearings according to claim 1, characterized in that, A limiting ring (402) is fixedly connected to the outside of the material rod (401).

6. The positioning structure for machining deep groove ball bearings according to claim 1, characterized in that, Two symmetrically distributed electric push rods (505) are fixedly connected to the base (1), and the mounting plate (501) is fixedly connected to the telescopic end of the electric push rods (505).

7. The positioning structure for machining deep groove ball bearings according to claim 1, characterized in that, The bottom of the mounting plate (501) is fixedly connected to four guide rods (504) arranged in a rectangular pattern. The other end of the guide rods (504) passes through the base (1) and is slidably connected to the base (1).

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