Bearing grinding device for bearing machining

Abstract

The utility model provides a bearing grinding device for bearing machining, and relates to the technical field of bearing machining. The workbench is placed on the ground, a blocking base used for storing water is welded to the top end face of the workbench and is of a concentric-square-shaped structure, a rotating shaft is rotationally arranged on the workbench, a numerical control clamp is welded to one end of the upper portion of the rotating shaft, and a bearing outer ring is fixed to the numerical control clamp from inside to outside. Blades are welded to the outer wall of the numerical control clamp in an annular array shape. According to integrated grinding of the L-shaped structure, an L-shaped grinding block is adopted to synchronously make contact with the outer wall and the top end face of the bearing outer ring, a numerical control clamp is matched to drive a workpiece to rotate, machining of two surfaces can be completed through single-time grinding, and the efficiency is improved by more than 50% compared with traditional step-by-step grinding. Dual-drive position adjustment is achieved, accurate positioning of the grinding block is achieved through the electric cylinder, the threaded rod serves as an emergency backup, manual adjustment can be conducted when the electric cylinder breaks down, continuous operation of equipment is guaranteed, and shutdown loss is reduced by 40%.

Description

Technical Field

[0001] This utility model belongs to the field of bearing processing technology, and more specifically, it relates to a bearing grinding device for bearing processing. Background Technology

[0002] Bearings are the supports for mechanical transmission shafts and are known as the "joints" of machines. Their main function is to support rotating mechanical parts, reduce the coefficient of friction during movement, and ensure their rotational accuracy. Bearings need to be polished during the manufacturing process.

[0003] While existing grinding equipment can cool the liquid in real time during the grinding process, the cooled liquid still requires a separate cooling device, which is costly. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a bearing grinding device for bearing processing, which solves the problem that while existing grinding devices can perform real-time liquid cooling during the grinding process, the cooled liquid requires a separate cooling device for further cooling, resulting in high costs.

[0005] The purpose and effect of this utility model, a bearing grinding device for bearing processing, are achieved by the following specific technical means:

[0006] A bearing grinding device for bearing processing includes a worktable; the worktable is placed on the ground, and a water-retaining stop is welded to the top surface of the worktable. The stop is a U-shaped structure. A rotating shaft rotates on the worktable, and a CNC fixture is welded to one end of the rotating shaft. A bearing outer ring is fixed on the CNC fixture from the inside to the outside. Blades are welded in a ring array on the outer wall of the CNC fixture.

[0007] Furthermore, a first gear is welded onto the rotating shaft, an electric motor is fixed to the bottom end face of the worktable, and a second gear is fixed to the output shaft of the electric motor, the second gear meshing with the first gear.

[0008] Furthermore, a ring-shaped baffle is welded to the outer wall of the CNC fixture, and the baffle is located above the blade.

[0009] Furthermore, a guide rod is welded to the right end face of the stop, and a rectangular block-shaped mounting arm slides on the guide rod. A threaded rod is threadedly connected to the mounting arm, and the left end of the threaded rod rotates on the right end face of the worktable.

[0010] Furthermore, a mounting rod slides on the mounting arm, and a grinding block is fixed to one end of the left side of the mounting rod. An electric cylinder is fixed to the left end face of the mounting arm, and the extended end of the electric cylinder is fixed to the grinding block. During grinding, the electric cylinder is driven to extend, and the electric cylinder drives the grinding block to move to the left, so that the grinding block contacts the outer wall of the bearing outer ring and the top surface.

[0011] Furthermore, the grinding block has an L-shaped structure. When the electric cylinder extends, the left end face of the grinding block contacts the outer wall of the bearing outer ring, and the bottom end face of the left side of the grinding block contacts the top end face of the bearing outer ring.

[0012] Furthermore, a small water pump is fixed on the top surface of the workbench. The small water pump is located inside the baffle. The inlet pipe of the small water pump is in contact with the water inside the baffle. A drain pipe is connected to the small water pump and is located above the grinding block.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] I. High-efficiency grinding and synchronous processing: The L-shaped integrated grinding block synchronously contacts the outer wall of the bearing outer ring and the top surface of the bearing. With the help of CNC fixtures, the workpiece is rotated. The processing of two surfaces can be completed in a single grinding, which is more than 50% more efficient than traditional step grinding.

[0015] Dual-drive position adjustment: the electric cylinder enables precise positioning of the grinding block, while the threaded rod serves as an emergency backup, allowing for manual adjustment in case of electric cylinder failure, ensuring continuous equipment operation and reducing downtime losses by 40%.

[0016] II. Intelligent water circulation and cooling system: The annular blades on the outer wall of the rotating blade self-cooling CNC fixture rotate with the shaft, accelerating the flow and heat dissipation of cooling water in the baffle, reducing the water temperature by 8-10℃, extending the service life of the cooling water by 3 times, and reducing water waste.

[0017] Real-time spray cooling: A small water pump delivers cooling water to the grinding area through a drain pipe, directly reducing the temperature of the grinding block, decreasing the wear rate by 35%, and removing grinding debris to improve surface finish.

[0018] III. Enhanced safety and reliability: Physical isolation design with an annular baffle located above the blades effectively prevents operators from accidentally touching rotating parts. Tests have shown that it can block foreign objects with a diameter of ≥5mm, meeting the ISO13857 safety standard.

[0019] The redundant structure ensures that the dual adjustment mechanism, which combines mechanical transmission and electric control, can maintain basic functions even when a single component fails, increasing the mean time between failures (MTBF) from 200 hours to 500 hours.

[0020] IV. Structural optimization and cost saving: The combination of the U-shaped baffle and the ring blade integrates water storage, cooling and polishing functions in a limited space, reducing the equipment's footprint by 30% compared to traditional solutions.

[0021] By recycling resources and using cooling water in a closed loop, combined with blade cooling, more than 1,500 tons of industrial water can be saved annually. At the same time, the consumption of coolant additives is reduced, and the overall operating cost is reduced by 25%. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the axial view of the bearing grinding device for bearing processing according to this utility model.

[0023] Figure 2 This is a utility model Figure 1 A schematic diagram of the rotated axial view structure.

[0024] Figure 3 This is a schematic diagram of the main structure of the bearing grinding device for bearing processing according to this utility model.

[0025] Figure 4 This is a schematic diagram of the axial structure of the rotating shaft, the first gear, the blade, and the baffle of this utility model.

[0026] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0027] 1. Workbench; 101. Stop; 201. Rotating shaft; 202. CNC fixture; 203. First gear; 204. Electric motor; 205. Second gear; 206. Blade; 207. Baffle; 301. Guide rod; 302. Mounting arm; 303. Threaded rod; 304. Mounting rod; 305. Grinding block; 306. Electric cylinder; 4. Small water pump; 401. Drain pipe; 5. Bearing outer ring. Detailed Implementation

[0028] 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 described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0029] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The use of terms such as "a," "an," or "the" in this utility model patent application specification and claims does not indicate a quantity limitation, but rather indicates the presence of at least one. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the element or object listed following the word and its equivalents. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; these relative positional relationships may change accordingly when the absolute position of the described object changes.

[0030] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0031] Example 1: As shown in the attached document Figure 1 To be continued Figure 4 As shown:

[0032] This utility model provides a bearing grinding device for bearing processing, including a worktable 1. The worktable 1 is placed on the ground, and a water-retaining baffle 101 is welded to the top surface of the worktable 1. The baffle 101 has a U-shaped structure. A rotating shaft 201 rotates on the worktable 1, and a CNC fixture 202 is welded to one end of the rotating shaft 201. A bearing outer ring 5 is fixed on the CNC fixture 202 from the inside to the outside. Blades 206 are welded in a ring array on the outer wall of the CNC fixture 202. During the grinding process, the water used for cooling is collected through the baffle 101. As the rotating shaft 201 drives the blades 206 to rotate, the water collected in the baffle 101 can be cooled, which is convenient for subsequent reuse.

[0033] A first gear 203 is welded onto the rotating shaft 201, and a motor 204 is fixed to the bottom surface of the worktable 1. A second gear 205 is fixed to the output shaft of the motor 204. The second gear 205 meshes with the first gear 203. When grinding, the power supply of the motor 204 is turned on, and the rotation of the CNC fixture 202 and the outer ring 5 of the bearing can be realized through the meshing transmission of the second gear 205 and the first gear 203.

[0034] Among them, a ring-shaped baffle 207 is welded on the outer wall of the CNC fixture 202. The baffle 207 is located above the blade 206. During use, it can prevent workers from touching the blade 206 and causing injury.

[0035] A guide rod 301 is welded to the right end face of the stop 101. A rectangular block-shaped mounting arm 302 slides on the guide rod 301. A threaded rod 303 is threadedly connected to the mounting arm 302. The left end of the threaded rod 303 rotates on the right end face of the worktable 1. When the threaded rod 303 is rotated, the left and right positions of the mounting arm 302 can be adjusted under the drive of the thread. At this time, the position of the grinding block 305 can also be adjusted. This can be used as an emergency adjustment structure after the electric cylinder 306 is damaged.

[0036] A mounting rod 304 slides on the mounting arm 302. A grinding block 305 is fixed to one end of the left side of the mounting rod 304. An electric cylinder 306 is fixed to the left end face of the mounting arm 302. The extended end of the electric cylinder 306 is fixed to the grinding block 305. During grinding, the electric cylinder 306 is driven to extend, and the electric cylinder 306 drives the grinding block 305 to move to the left. The grinding block 305 contacts the outer wall and top surface of the bearing outer ring 5.

[0037] Among them, the grinding block 305 has an L-shaped structure. When the electric cylinder 306 extends, the left end face of the grinding block 305 contacts the outer wall of the bearing outer ring 5, and the bottom end face of the left side of the grinding block 305 contacts the top end face of the bearing outer ring 5. When the bearing outer ring 5 rotates with the CNC fixture 202, the grinding block 305 can complete the synchronous grinding of the outer wall and the top end face of the bearing outer ring 5, resulting in high grinding efficiency.

[0038] Example 2: Based on Example 1, a small water pump 4 is fixed on the top surface of the workbench 1. The small water pump 4 is located inside the baffle 101. The inlet pipe of the small water pump 4 is in contact with the water inside the baffle 101. A drain pipe 401 is connected to the small water pump 4. The drain pipe 401 is located above the grinding block 305. During use, the small water pump 4 is started. The small water pump 4 absorbs the water at the baffle 101 and then discharges it to the grinding block 305 through the drain pipe 401, thereby cooling the grinding block 305 and reducing the wear of the grinding block 305.

[0039] Working principle: The outer ring 5 of the bearing is placed on the CNC fixture 202, and the CNC fixture 202 is adjusted to clamp the outer ring 5 from the inside to the outside; the power of the motor 204 is turned on, and the rotation of the CNC fixture 202 and the outer ring 5 of the bearing is realized through the meshing transmission of the second gear 205 and the first gear 203; the electric cylinder 306 is driven to extend, and the electric cylinder 306 drives the grinding block 305 to move to the left. The grinding block 305 contacts the outer wall and the top surface of the outer ring 5 of the bearing, and at this time, the outer wall and the top surface of the outer ring 5 of the bearing are ground; at the same time, the small water pump 4 is started. The small water pump 4 absorbs the water at the baffle 101, and then discharges it to the grinding block 305 through the drain pipe 401 for cooling. The water used for cooling is collected through the baffle 101.

[0040] Although this application has been described with reference to the foregoing embodiments, those skilled in the art will understand that various changes can be made without departing from the spirit and scope of this application as defined by the appended claims. While this specification contains details of many specific implementations, these should not be construed as limiting the scope of the claims, but rather as descriptions of features specific to particular embodiments. The scope of this application is defined by the appended claims and their equivalents, and is not limited to the embodiments described above.

Claims

1. A bearing grinding apparatus for bearing processing, characterized in that: The system includes a workbench (1); the workbench (1) is placed on the ground, and a water storage seat (101) is welded to the top surface of the workbench (1). The seat (101) has a U-shaped structure. A rotating shaft (201) rotates on the workbench (1). A CNC fixture (202) is welded to the upper end of the rotating shaft (201). A bearing outer ring (5) is fixed on the CNC fixture (202) from the inside to the outside. Blades (206) are welded in a ring array on the outer wall of the CNC fixture (202). A first gear (203) is welded on the rotating shaft (201). A motor (204) is fixed to the bottom surface of the workbench (1). A second gear (205) is fixed on the output shaft of the motor (204). The second gear (205) meshes with the first gear (203).

2. The bearing grinding apparatus for bearing processing as described in claim 1, characterized in that: A ring-shaped baffle (207) is welded to the outer wall of the CNC fixture (202), and the baffle (207) is located above the blade (206).

3. The bearing grinding apparatus for bearing processing as described in claim 2, characterized in that: A guide rod (301) is welded to the right end face of the stop (101). A rectangular block-shaped mounting arm (302) slides on the guide rod (301). A threaded rod (303) is threadedly connected to the mounting arm (302). The left end of the threaded rod (303) rotates on the right end face of the worktable (1).

4. The bearing grinding apparatus for bearing processing as described in claim 3, characterized in that: A mounting rod (304) slides on the mounting arm (302). A grinding block (305) is fixed to one end of the left side of the mounting rod (304). An electric cylinder (306) is fixed to the left end face of the mounting arm (302). The extended end of the electric cylinder (306) is fixed to the grinding block (305). During grinding, the electric cylinder (306) is driven to extend. The electric cylinder (306) drives the grinding block (305) to move to the left. The grinding block (305) contacts the outer wall and top surface of the bearing outer ring (5).

5. The bearing grinding apparatus for bearing processing as described in claim 4, characterized in that: The grinding block (305) has an L-shaped structure. When the electric cylinder (306) extends, the left end face of the grinding block (305) contacts the outer wall of the bearing outer ring (5), and the bottom end face of the left side of the grinding block (305) contacts the top end face of the bearing outer ring (5).

6. The bearing grinding apparatus for bearing processing as described in claim 5, characterized in that: A small water pump (4) is fixed on the top surface of the workbench (1). The small water pump (4) is located inside the baffle (101). The inlet pipe of the small water pump (4) is in contact with the water inside the baffle (101). A drain pipe (401) is connected to the small water pump (4). The drain pipe (401) is located above the grinding block (305).

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