A high-efficiency coreless grinder specially designed for bearing processing
By designing a high-efficiency coreless grinder for bearing processing, using synchronously rotating grinding rollers and adjustment rollers, combined with cooling jets of cylinders and supercharged spray seats, the problems of bearing swaying and heat accumulation in the coreless grinding machine are solved, and efficient and stable grinding and precise heat dissipation of bearings are achieved.
Patent Information
- Application Number
- CN202421388008.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-18
AI Technical Summary
During the use of a coreless grinder, the rotation of the grinding wheel will cause the bearing body to shake, affecting stability, and the contact friction between the bearing side walls and the grinding wheel will cause heat accumulation, making it impossible to perform accurate and stable heat dissipation treatment.
A high-efficiency coreless grinder special for bearing processing is designed. The motor drives the rotating shaft to rotate the grinding roller and the adjustment roller simultaneously, and rolls the bearing surface. The compression of the arc-shaped ply plate and the injection of coolant are achieved through the cylinder and the booster spray seat, improving the stability and heat dissipation effect of the bearing.
This design improves the stability and grinding quality of the bearing in grinding, reduces friction and heat accumulation through rolling grinding and cooling treatments, and achieves accurate and stable heat dissipation of the bearing.
Smart Images

Figure CN222696710U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coreless grinders, in particular to a high-efficiency coreless grinder special for bearing processing. Background Art
[0002] A coreless grinder is a grinder used to grind centerless workpieces. A centerless workpiece refers to a workpiece without a center hole or bearing hole, usually a cylindrical workpiece. The working principle of a coreless grinder is to remove material from the workpiece surface through the relative movement between the grinding tool and the workpiece, thereby achieving grinding. It is mainly composed of three mechanisms: a grinding wheel, an adjusting wheel, and a workpiece holder.
[0003] In the prior art, the rotation of the grinding wheel during the use of the coreless grinder will cause the bearing body to shake, affecting the stability of the bearing body during grinding, and the contact and friction between the side wall of the bearing and the grinding wheel will increase heat accumulation, and the bearing cannot be accurately and stably dissipated. Therefore, the present application designs an efficient coreless grinder dedicated to bearing processing. Utility Model Content
[0004] The purpose of the utility model is to solve the problems in the prior art that during the use of the coreless grinder, the rotation of the grinding wheel will cause the bearing body to shake, affecting the stability of the bearing body during grinding, and the contact and friction between the side wall of the bearing and the grinding wheel will increase heat accumulation, making it impossible to accurately and stably dissipate heat for the bearing, and to propose a high-efficiency coreless grinder specially for bearing processing.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A high-efficiency coreless grinder specially used for bearing processing comprises a frame, a connecting seat is fixedly connected to the side wall of the frame, a motor is fixedly connected to the side wall of the connecting seat, two rotating shafts are rotatably connected inside the frame, one of the rotating shafts is located on the shaft body inside the frame and is fixedly sleeved with a grinding roller, and the other rotating shaft is located on the shaft body inside the frame and is fixedly sleeved with an adjusting roller, a bearing is clamped at the gap between the grinding roller and the adjusting roller, a cylinder is fixedly connected to the inner wall of the top end of the frame, a booster spray seat is fixedly connected to the piston rod end of the cylinder, a water pump is fixedly connected to the top end of the frame, a water pipe is fixedly connected to the side wall of the water pump, and the end of the water pipe facing away from the water pump extends to the inside of the booster spray seat.
[0007] Preferably, the fixed sleeve on the roller wall of the adjustment roller is provided with a rubber anti-slip sleeve, and the fixed sleeve on the roller wall of the grinding roller is provided with a grinding sand ring.
[0008] Preferably, sprockets are fixedly sleeved on the shaft bodies of the two rotating shafts located outside the frame, and chains are fixedly sleeved on the side walls of the two sprockets at the same time.
[0009] Preferably, the water delivery pipe is arranged in a spiral shape, an opening is provided inside the booster nozzle seat, and a plurality of guide plates are fixedly connected to the inner wall of the booster nozzle seat located at the opening.
[0010] Preferably, a fixing rod is fixedly connected to the inner wall of the bottom end of the frame, and arc-shaped clamps are respectively fixedly connected to the side surfaces corresponding to the boost nozzle seat and the fixing rod, and the two arc-shaped clamps are respectively clamped on the side walls of the bearing, and a plurality of balls are rollingly provided on the inner walls of the arc-shaped clamps, and the side walls of the plurality of balls are respectively rollingly provided on the side walls of the bearing.
[0011] Preferably, a water tank is provided on the inner wall of the bottom end of the frame, a connecting frame is plugged into the inner wall of the top end of the frame located at the water tank, a protective filter is fixedly connected to the inner wall of the connecting frame, a cavity is provided on the inner wall of the connecting frame, a spring is fixedly connected to the inner wall of the connecting frame located in the cavity, an end of the spring is fixedly connected to a limiting block, a limiting groove is provided on the inner wall of the frame, and the limiting block extends to the inside of the limiting groove.
[0012] Preferably, a top end of the limit block is fixedly connected to a shift rod, and a rod wall of the shift rod extends to the outside of the connecting frame and is fixedly connected to a blocking piece.
[0013] Compared with the prior art, the utility model provides a high-efficiency coreless grinder specially used for bearing processing, which has the following beneficial effects:
[0014] 1. The high-efficiency coreless grinder specially used for bearing processing drives the rotating shaft to rotate through the rotation of the motor output shaft, so that the grinding roller and the adjusting roller rotate synchronously, and the surface of the bearing is rolled and polished to ensure the uniformity of the grinding of the bearing side. The extension of the piston rod of the cylinder can move the booster spray seat downward, so that the upper arc clamping plate is pressed tightly against the upper part of the bearing. The arc clamping plate can improve the stability of the bearing during rolling grinding, and the ball can reduce friction.
[0015] 2. This high-efficiency coreless grinder specially used for bearing processing can deliver the coolant to the inside of the booster nozzle seat through the water pump through the water pipe, and spray it out through the opening to cool the side wall of the bearing and improve the grinding quality. The guide plate can guide the sprayed cooling water.
[0016] 3. The high-efficiency coreless grinder specially used for bearing processing can filter the sprayed coolant through the connecting frame and the protective filter, and then recycle the coolant. The spring can push the limit block to extend into the limit groove, so that the connecting frame can be kept stable inside the frame. The limit block can be retracted by pushing the lever, and the connecting frame can be disassembled. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a structural schematic diagram of a high-efficiency coreless grinder specially used for bearing processing proposed by the utility model;
[0018] Figure 2 This is a rear view of the structure of a high-efficiency coreless grinder specially used for bearing processing proposed by the utility model;
[0019] Figure 3 for Figure 1 A schematic diagram of the structure of the local A part;
[0020] Figure 4 for Figure 1 A schematic diagram of the structure of the partial B in the middle is enlarged;
[0021] Figure 5 for Figure 2 Structural top view of the middle connecting seat.
[0022] In the figure: 1 frame, 2 connecting seat, 3 motor, 4 rotating shaft, 5 grinding roller, 6 adjusting roller, 7 rubber anti-skid sleeve, 8 grinding sand ring, 9 bearing, 10 sprocket, 11 chain, 12 cylinder, 13 booster spray seat, 14 guide plate, 15 water pump, 16 water pipe, 17 fixing rod, 18 arc splint, 19 ball, 20 connecting frame, 21 protective filter, 22 spring, 23 limit block, 24 lever, 25 baffle. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0024] Reference Figure 1-5 A high-efficiency coreless grinder specially used for bearing processing comprises a frame 1, a connecting seat 2 is fixedly connected to the side wall of the frame 1, a motor 3 is fixedly connected to the side wall of the connecting seat 2, two rotating shafts 4 are rotatably connected inside the frame 1, one of the rotating shafts 4 is located on the shaft body inside the frame 1 and is fixedly sleeved with a grinding roller 5, the other rotating shaft 4 is located on the shaft body inside the frame 1 and is fixedly sleeved with an adjusting roller 6, a bearing 9 is clamped at the gap between the grinding roller 5 and the adjusting roller 6, a cylinder 12 is fixedly connected to the inner wall of the top end of the frame 1, a booster spray seat 13 is fixedly connected to the piston rod end of the cylinder 12, a water pump 15 is fixedly connected to the top end of the frame 1, a water pipe 16 is fixedly connected to the side wall of the water pump 15, and the end of the water pipe 16 away from the water pump 15 extends to the inside of the booster spray seat 13.
[0025] A rubber anti-slip sleeve 7 is fixed on the roller wall of the adjusting roller 6, a grinding sand ring 8 is fixed on the roller wall of the grinding roller 5, sprockets 10 are fixed on the shafts of the two rotating shafts 4 located on the outside of the frame 1, and chains 11 are fixed on the side walls of the two sprockets 10 at the same time. The water pipe 16 is arranged in a spiral shape, and an opening is opened inside the booster spray seat 13. The booster spray seat 13 is located on the inner wall of the opening and is fixedly connected to a plurality of guide plates 14.
[0026] A fixing rod 17 is fixedly connected to the inner wall of the bottom end of the frame 1, and an arc-shaped clamping plate 18 is fixedly connected to the corresponding side of the boost nozzle seat 13 and the fixing rod 17. The two arc-shaped clamping plates 18 are clamped on the side walls of the bearing 9 respectively, and a plurality of balls 19 are rollingly provided on the inner walls of the arc-shaped clamping plates 18, and the side walls of the plurality of balls 19 are rollingly provided on the side walls of the bearing 9 respectively.
[0027] The bearing 9 is placed in the gap between the grinding roller 5 and the adjusting roller 6. The rotation of the output shaft of the motor 3 can drive the rotating shaft 4 to rotate. The two rotating shafts 4 can be synchronously driven through the sprocket 10 and the chain 11, so that the grinding roller 5 and the adjusting roller 6 can rotate synchronously, thereby rolling and grinding the surface of the bearing 9, and can drive the bearing 9 to rotate to ensure the uniformity of the grinding of the side of the bearing 9. At the same time, the extension of the piston rod of the cylinder 12 can mobilize the booster spray seat 13 to move downward, so that the upper arc clamping plate 18 is tightly set above the bearing 9, and the arc clamping plate 18 can improve the stability of the bearing 9 during rolling grinding, and the ball 19 can reduce friction. The water pump 15 can transport the coolant to the inside of the booster spray seat 13 through the water pipe 16, and spray it through the opening, so as to cool the side wall of the bearing 9 and improve the grinding quality. The guide plate 14 can divert the sprayed cooling water.
[0028] For xxxxxxx, Figure 1-5 As shown, a water tank is provided on the inner wall of the bottom end of the frame 1, a connecting frame 20 is inserted into the inner wall of the top end of the frame 1 located at the water tank, a protective filter screen 21 is fixedly connected to the inner wall of the connecting frame 20, a cavity is provided on the inner wall of the connecting frame 20, a spring 22 is fixedly connected to the inner wall of the connecting frame 20 located in the cavity, a limiting block 23 is fixedly connected to the end of the spring 22, a limiting groove is provided on the inner wall of the frame 1, the limiting block 23 extends to the inside of the limiting groove, a lever 24 is fixedly connected to the top end of the limiting block 23, the rod wall of the lever 24 extends to the outside of the connecting frame 20 and is fixedly connected to a blocking piece 25.
[0029] The connection frame 20 and the protective filter 21 can filter the sprayed coolant and subsequently recycle the coolant, and the spring 22 can push the limit block 23 to extend into the limit groove, so that the connection frame 20 can remain stable inside the frame 1, and the toggle lever 24 can drive the limit block 23 to contract, so that the connection frame 20 can be disassembled.
[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A high-efficiency coreless grinding machine for bearing processing, comprising a frame (1), characterized in that: A connecting seat (2) is fixedly connected to the side wall of the frame (1), a motor (3) is fixedly connected to the side wall of the connecting seat (2), two rotating shafts (4) are rotatably connected inside the frame (1), one of the rotating shafts (4) is located on the shaft body inside the frame (1) and is fixedly sleeved with a grinding roller (5), and the other rotating shaft (4) is located on the shaft body inside the frame (1) and is fixedly sleeved with an adjusting roller (6), a bearing (9) is clamped at the gap between the grinding roller (5) and the adjusting roller (6), a cylinder (12) is fixedly connected to the inner wall of the top end of the frame (1), a booster spray seat (13) is fixedly connected to the end of the piston rod of the cylinder (12), a water pump (15) is fixedly connected to the top end of the frame (1), a water pipe (16) is fixedly connected to the side wall of the water pump (15), and the end of the water pipe (16) away from the water pump (15) extends to the inside of the booster spray seat (13).
2. The high-efficiency coreless grinder for bearing processing according to claim 1, characterized in that: The fixed sleeve on the roller wall of the adjustment roller (6) is provided with a rubber anti-slip sleeve (7), and the fixed sleeve on the roller wall of the grinding roller (5) is provided with a grinding ring (8).
3. The high-efficiency coreless grinder for bearing processing according to claim 1, characterized in that: Sprocket wheels (10) are fixedly sleeved on the shaft bodies of the two rotating shafts (4) located outside the frame (1), and chains (11) are fixedly sleeved on the side walls of the two sprocket wheels (10).
4. The high-efficiency coreless grinder for bearing processing according to claim 1, characterized in that: The water delivery pipe (16) is arranged in a spiral shape, an opening is provided inside the booster nozzle seat (13), and a plurality of guide plates (14) are fixedly connected to the inner wall of the booster nozzle seat (13) located at the opening.
5. The high-efficiency coreless grinder for bearing processing according to claim 1, characterized in that: A fixing rod (17) is fixedly connected to the inner wall of the bottom end of the frame (1), and arc-shaped clamping plates (18) are fixedly connected to the corresponding side surfaces of the boost nozzle seat (13) and the fixing rod (17), respectively. The two arc-shaped clamping plates (18) are respectively clamped on the side walls of the bearing (9), and a plurality of balls (19) are rollingly arranged on the inner walls of the arc-shaped clamping plates (18), and the side walls of the plurality of balls (19) are respectively rollingly arranged on the side walls of the bearing (9).
6. The high-efficiency coreless grinder for bearing processing according to claim 1, characterized in that: A water tank is provided on the inner wall of the bottom end of the frame (1); a connection frame (20) is inserted and arranged on the inner wall of the top end of the frame (1) located at the water tank; a protective filter (21) is fixedly connected to the inner wall of the connection frame (20); a cavity is provided on the inner wall of the connection frame (20); a spring (22) is fixedly connected to the inner wall of the connection frame (20) located at the cavity; an end of the spring (22) is fixedly connected to a limiting block (23); a limiting groove is provided on the inner wall of the frame (1); and the limiting block (23) extends to the inside of the limiting groove.
7. The high-efficiency coreless grinder for bearing processing according to claim 6, characterized in that: The top end of the limit block (23) is fixedly connected to a lever (24), and the rod wall of the lever (24) extends to the outside of the connection frame (20) and is fixedly connected to a blocking piece (25).