Grinding machine for bearing inner ring channel

Abstract

The utility model discloses a bearing inner ring channel grinding machine which comprises a base, one side of the base is fixedly connected with a positioning seat, one end of the base is fixedly connected with a mounting frame, one side of the mounting frame is fixedly provided with a motor, one end of the motor is provided with a circular hollow pipe, and the other end of the motor is provided with a rotating shaft. The round hollow pipe is rotationally connected to one side of the mounting frame, a round cylinder is slidably connected to the surface of one end of the hollow pipe in a sleeving mode, locking screws are installed on the two sides of the round cylinder in a threaded mode and connected to the surface of the round hollow pipe in a jacking mode, and a mounting head is fixedly connected to the bottom of the round cylinder. A cavity is formed in the mounting head, a mounting screw is mounted at one end of the mounting head in a threaded mode, the end of the mounting screw is fixedly connected with a grinding head, water outlet cooling cannot be interfered, chipping cleaning is facilitated, vertical adjustment can be achieved for alignment, interference is avoided, and the grinding head is accurate, stable, convenient to mount and position and beneficial to control and use.

Description

Technical Field

[0001] The utility model relates to the field of bearing grinding, and more specifically, to a grinding machine for the inner ring raceway of a bearing. Background Art

[0002] A bearing generally consists of an inner ring, an outer ring, a cage, rolling elements, a sealing ring, etc. Due to its simple structure and convenient use, bearings are widely used in the mechanical field. The inner ring of the bearing is the main component, and the superfinishing process of the inner ring raceway is an important part.

[0003] Application Publication No. CN 106475893 A provides a grinding device for the inner ring raceway of a bearing, which includes a grinding wheel, a motor, and a fixing frame. The grinding wheel is arranged on the driving shaft of the motor, and the motor is arranged on the fixing frame through a fixing shell. The fixing shell is slidably arranged on the fixing frame and is controlled to move horizontally by a transmission mechanism; the main body of the grinding wheel is a cylinder, and conical surfaces are provided at both ends. A plurality of raised alloy positioning press heads are inlaid on the conical surfaces. The alloy positioning press heads are four and are evenly distributed. The alloy positioning press heads are strip-shaped structures from the outside to the inside; a plurality of holes are provided on the cylinder, and the plurality of holes are connected to the alloy positioning press heads. The lower end of the cylinder is connected to a coolant pipe through a universal joint, and the coolant pipe is connected to a water pump.

[0004] In the above disclosed structure, a structure form integrating grinding and cooling is adopted. However, corresponding structures are connected at both the upper and lower positions, which not only is not conducive to combined alignment and is prone to misalignment interference, but also affects the stable water output at the cooling position, is not conducive to cooling protection, and has poor safety and stability, and needs to be improved. Summary of the Utility Model

[0005] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a grinding machine for the inner ring raceway of a bearing. The motor is condensed through the mounting frame on the base, so as to install a circular hollow pipe and a circular cylinder. Combining with the mounting head provided with spray holes and grinding heads, it can be assembled and installed for rotational grinding, and there will be no interference with water cooling, which is conducive to cleaning debris, and can be adjusted up and down for alignment, avoiding interference, being precise and stable, convenient for installation and positioning, and conducive to control and use.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] For a bearing inner ring raceway grinding machine, including a base, one side of the base is fixedly connected with a positioning seat, one end of the base is fixedly connected with a mounting frame, one side of the mounting frame is fixedly installed with a motor, one end of the motor is installed with a circular hollow tube, the circular hollow tube is rotatably connected to one side of the mounting frame, the surface of one end of the hollow tube is slidably sleeved with a circular cylinder, both sides of the circular cylinder are threadedly installed with locking screws, the locking screws are tightly connected to the surface of the circular hollow tube, the bottom of the circular cylinder is fixedly connected with a mounting head, a cavity is provided inside the mounting head, one end of the mounting head is threadedly installed with a mounting screw, the end of the mounting screw is fixedly connected with a grinding head, the other end of the mounting head is provided with a spray hole, and the spray hole and the grinding head are respectively located at both ends of the mounting head.

[0008] Further, a connection hole is provided on the surface of one end of the circular hollow tube, and the connection holes are symmetrically distributed on both sides of the circular hollow tube.

[0009] Further, a combination cylinder is rotatably sleeved on one end of the circular hollow tube, and the combination cylinder is sleeved on the surface of the connection hole.

[0010] Further, one side of the combination cylinder is fixedly connected with a water pipe, and the water pipe is fixedly connected to one side of the mounting frame. By connecting the water pipe through the combination cylinder and combining with the connection hole, an auxiliary support can be assembled and installed, which is beneficial for water passing while ensuring the rotational stability, and is convenient and stable.

[0011] Further, a water pump is fixedly installed at one end of the water pipe, and the water pump is fixedly installed on the surface of the mounting frame.

[0012] Further, a cooling water tank is installed at one end of the water pump, and the cooling water tank is fixedly installed on the upper surface of the mounting frame.

[0013] Further, the cooling water tank is located on one side of the motor. By installing the cooling water tank through the water pump, water can be supplied from the top, which is convenient and stable.

[0014] Compared with the prior art, the advantages of the present utility model are as follows:

[0015] (1) In this solution, the motor is fixed through the mounting frame on the base, so as to install the circular hollow tube and the circular cylinder. Combining with the mounting head to set the spray hole and the grinding head, it can be assembled and installed for rotational grinding, and there will be no interference with water cooling, which is beneficial for cleaning debris, and can be adjusted up and down for alignment, avoiding interference, accurate and stable, convenient for installation and positioning, and beneficial for control and use.

[0016] (2) By connecting the water pipe through the combination cylinder and combining with the connection hole, an auxiliary support can be assembled and installed, which is beneficial for water passing while ensuring the rotational stability, and is convenient and stable.

[0017] (3) Install a cooling water tank through the water pump, which can supply water from the top, facilitating stability. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 It is a partial schematic diagram of the connection between the circular hollow tank and the circular cylinder of the present utility model;

[0020] Figure 3 It is a partial structural diagram of the connection of the combined cylinder of the present utility model.

[0021] Explanation of the reference numerals in the drawings:

[0022] 1 Base, 11 Positioning seat, 12 Mounting frame, 13 Motor, 14 Circular hollow pipe, 15 Circular cylinder, 16 Locking screw, 17 Mounting head, 18 Cavity, 2 Mounting screw, 21 Grinding head, 22 Spray hole, 23 Connecting hole, 24 Combined cylinder, 25 Water pipe, 26 Water pump, 27 Cooling water tank. Specific Embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Embodiment

[0024] Please refer to Figure 1 and Figure 2 , for the bearing inner ring raceway grinding machine, including a base 1, a positioning seat 11 is fixedly connected to one side of the base 1, a mounting frame 12 is fixedly connected to one end of the base 1, a motor 13 is fixedly installed on one side of the mounting frame 12, a circular hollow pipe 14 is installed at one end of the motor 13, the circular hollow pipe 14 is rotatably connected to one side of the mounting frame 12, the surface of one end of the hollow pipe 14 is slidably sleeved with a circular cylinder 15, locking screws 16 are threadedly installed on both sides of the circular cylinder 15, the locking screws 16 are tightly abutted against the surface of the circular hollow pipe 14, the bottom of the circular cylinder 15 is fixedly connected with a mounting head 17, a cavity 18 is provided inside the mounting head 17, a mounting screw 2 is threadedly installed at one end of the mounting head 17, the end of the mounting screw 2 is fixedly connected with a grinding head 21, a spray hole 22 is provided at the other end of the mounting head 17, and the spray hole 22 and the grinding head 21 are respectively located at both ends of the mounting head 17.

[0025] One end surface of the circular hollow tube 14 is provided with connecting holes 23, which are symmetrically distributed on both sides of the circular hollow tube 14. A combined cylinder 24 is rotatably sleeved at one end of the circular hollow tube 14. The combined cylinder 24 is sleeved on the surface of the connecting holes 23. One side of the combined cylinder 24 is fixedly connected with a water pipe 25, and the water pipe 25 is fixedly connected to one side of the mounting frame 12. By connecting the water pipe through the combined cylinder and combining with the connecting holes, auxiliary support can be assembled and installed, which is beneficial to water passing while ensuring rotational stability, convenient and stable. During use, the inner ring of the bearing can be installed into the positioning seat 1, and then the mounting screw 2 can be connected to the mounting head 17. The mounting length can be adjusted to adjust the position of the grinding head 21, and the height of the circular cylinder 15 can be adjusted up and down, which is convenient for accurately aligning to the groove position, convenient and efficient. Then, the whole can be rotated by the motor 13 for grinding. At the same time, water can enter from the water pipe 25, pass through the combined cylinder 24 and the connecting holes 23 into the circular hollow tube 14, and then enter the cavity 18, and can be sprayed out from the spray holes 22, which is beneficial to flushing the grinding position. On the one hand, it removes grinding debris, and on the other hand, it cools down, improving the protection effect. And grinding and water spraying are carried out alternately to avoid local high temperature, safe and stable. Embodiment

[0026] Please refer to Figure 1 and Figure 3 For the inner ring raceway grinding machine of the bearing, it includes a base 1. One side of the base 1 is fixedly connected with a positioning seat 11. One end of the base 1 is fixedly connected with a mounting frame 12. One side of the mounting frame 12 is fixedly installed with a motor 13. One end of the motor 13 is installed with a circular hollow tube 14. The circular hollow tube 14 is rotatably connected to one side of the mounting frame 12. One end surface of the hollow tube 14 is slidably sleeved with a circular cylinder 15. Locking screws 16 are threadedly installed on both sides of the circular cylinder 15. The locking screws 16 are abutted and connected to the surface of the circular hollow tube 14. The bottom of the circular cylinder 15 is fixedly connected with a mounting head 17. The interior of the mounting head 17 is provided with a cavity 18. One end of the mounting head 17 is threadedly installed with a mounting screw 2. The end of the mounting screw 2 is fixedly connected with a grinding head 21. The other end of the mounting head 17 is provided with spray holes 22. The spray holes 22 and the grinding head 21 are respectively located at both ends of the mounting head 17.

[0027] One end of the water pipe 25 is fixedly installed with a water pump 26. The water pump 26 is fixedly installed on the surface of the mounting frame 12. One end of the water pump 26 is installed with a cooling water tank 27. The cooling water tank 27 is fixedly installed on the upper surface of the mounting frame 12. The cooling water tank 27 is located on one side of the motor 13. By installing the cooling water tank through the water pump, water can be supplied from the top, which is convenient and stable.

[0028] The above are only the preferred specific embodiments of the present utility model; however, the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and its improved concept of the present utility model, making equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims

1. A bearing inner ring groove grinding machine, comprising a base (1), a positioning seat (11) fixedly connected to one side of the base (1), a mounting frame (12) fixedly connected to one end of the base (1), a motor (13) fixedly mounted to one side of the mounting frame (12), characterized in that: A circular hollow tube (14) is mounted on one end of the motor (13), the circular hollow tube (14) is rotatably connected to one side of the mounting frame (12), a circular cylinder (15) is slidably sleeved on the surface of one end of the hollow tube (14), locking screws (16) are threadedly mounted on both sides of the circular cylinder (15), the locking screws (16) are tightly connected to the surface of the circular hollow tube (14), a mounting head (17) is fixedly connected to the bottom of the circular cylinder (15), a cavity (18) is provided inside the mounting head (17), a mounting screw (2) is threadedly mounted on one end of the mounting head (17), the end of the mounting screw (2) is fixedly connected to a grinding head (21), a spray hole (22) is provided on the other end of the mounting head (17), the spray hole (22) and the grinding head (21) are respectively located at two ends of the mounting head (17).

2. The bearing inner ring groove grinding machine according to claim 1, characterized in that: A connection hole (23) is provided on one end surface of the circular hollow tube (14), and the connection holes (23) are symmetrically distributed on both sides of the circular hollow tube (14).

3. The bearing inner ring groove grinding machine according to claim 1, characterized in that: One end of the circular hollow tube (14) is rotatably sleeved with a combination tube (24), and the combination tube (24) is sleeved on the surface of the connection hole (23).

4. The bearing inner ring groove grinding machine according to claim 3, characterized in that: A water pipe (25) is fixedly connected to one side of the combined cylinder (24), and the water pipe (25) is fixedly connected to one side of the mounting frame (12).

5. The bearing inner ring groove grinding machine according to claim 4, characterized in that: A water pump (26) is fixedly mounted on one end of the water pipe (25), and the water pump (26) is fixedly mounted on the surface of the mounting frame (12).

6. The bearing inner ring groove grinding machine according to claim 5, characterized in that: A cooling water tank (27) is mounted on one end of the water pump (26), and the cooling water tank (27) is fixedly mounted on the upper surface of the mounting frame (12).

7. The bearing inner ring groove grinding machine according to claim 6, characterized in that: The cooling water tank (27) is located on one side of the motor (13).

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