A numerical control grinding machine spindle bearing grease filling device
By designing a grease filling device that includes a turntable and a support device, the problem of high operational dependence of existing equipment is solved, the efficiency and accuracy of grease filling are achieved, the complexity of operation is reduced, and the uniformity of filling position is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TENGZHOU XIANGTAI CNC MASCH TOOL CO LTD
- Filing Date
- 2025-10-12
- Publication Date
- 2026-07-07
AI Technical Summary
Existing CNC grinding machine spindle bearing grease filling equipment is highly dependent on manual operation, resulting in poor accuracy and uniformity of filling position.
Design a grease filling device including a base, turntable, support device, supply mechanism, positioning device, conveying box, filling needle and motor. The positioning device fixes the bearing, the support device adjusts the position of the filling needle, the motor drives the turntable to rotate, and the supply mechanism delivers grease to achieve uniform filling of grease at different positions of the bearing.
It improves the efficiency and accuracy of grease filling, reduces operational complexity, and enhances the uniformity of filling positions.
Smart Images
Figure CN224470061U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of grease filling devices, and in particular to a grease filling device for the spindle bearing of a CNC grinding machine. Background Technology
[0002] In high-precision machining equipment such as CNC grinding machines, the spindle bearing is a core transmission component. Its operational stability directly determines the machining accuracy of the workpiece and the service life of the equipment. The lubrication condition of the spindle bearing is a key factor affecting its performance, and the rationality of the grease filling process is the core guarantee of the lubrication effect.
[0003] Currently, among existing lubricating grease filling equipment, such as the patent with announcement number CN204127617U, this utility model discloses a high-precision digital display preset grease filling machine, including a lower support and an upper base plate. The characteristic is that a drive cylinder is set between the lower support and the upper base plate, finished grease is set on the lower support, a plunger-type metering device is set on the upper base plate, a compression pipe is provided between the finished grease and the plunger metering device, an oil delivery pipe is set on the plunger metering device, and a digital display setting device is set on the upper base plate.
[0004] During use, it was found that the existing equipment relies heavily on manual operation, which reduces the accuracy and uniformity of grease filling. Utility Model Content
[0005] To solve the above-mentioned technical problems, this utility model provides a grease filling device for CNC grinding machine spindle bearings that improves the efficiency of bearing grease filling, improves the accuracy of filling position, and reduces the complexity of manual operation.
[0006] This utility model discloses a grease filling device for CNC grinding machine spindle bearings, comprising a base and a turntable, with the turntable rotatably mounted on the top of the base. It also includes a support device, a supply mechanism, a positioning device, a conveyor box, a filling needle, and a motor. The conveyor box is mounted on the base via the support device, which is used to move and adjust the conveyor box. The filling needle is connected to the bottom of the conveyor box, which is connected to the supply mechanism for supplying lubricating grease. The turntable is equipped with a positioning device for clamping and fixing the bearing. The motor is mounted on the outer wall of the base, and its output end is connected to the turntable. The bearing requiring grease filling is placed on the top of the turntable. The positioning device then centers and fixes the bearing on the turntable. The position of the conveyor box is adjusted via the support device, moving the filling needle to the eccentric position of the bearing. The motor drives the turntable to rotate, causing the bearing to rotate. Simultaneously, the supply mechanism delivers grease into the conveyor box. The filling needle fills different positions on the bearing, improving the efficiency and accuracy of grease filling and reducing the complexity of manual operation.
[0007] Preferably, the supply mechanism includes a squeezing cylinder, a one-way inlet valve, a one-way outlet valve, a piston, a first electric cylinder, and a hose. The squeezing cylinder is mounted on a base. The one-way inlet valve and the one-way outlet valve are respectively connected to the squeezing cylinder. The one-way inlet valve is connected to an external grease storage device. The output end of the one-way outlet valve is connected to the hose, and the output end of the hose is connected to a delivery box. The piston is slidably mounted inside the squeezing cylinder. The first electric cylinder is mounted on the top of the squeezing cylinder, and the moving end of the first electric cylinder is connected to the piston. The first electric cylinder drives the piston to move upward, causing the one-way inlet valve to draw grease from the external grease storage device into the squeezing cylinder. After the first electric cylinder drives the piston to move downward, the piston delivers the grease to the delivery box through the one-way outlet valve and the hose. The grease is then discharged and dispensed through a filling needle, improving the convenience of grease delivery.
[0008] Preferably, the support device includes a guide seat, a telescopic arm, a second electric cylinder, and a third electric cylinder. The guide seat is installed on the top of the base, the telescopic arm is slidably installed on the guide seat, the delivery box is installed on the moving end of the telescopic arm, the second electric cylinder is installed on the outer wall of the fixed end of the telescopic arm, and the moving end of the second electric cylinder is connected to the moving end of the telescopic arm. The third electric cylinder is installed inside the guide seat, and the moving end of the third electric cylinder is connected to the telescopic arm. The third electric cylinder drives the telescopic arm to slide up and down, causing the telescopic arm to move the filling needle up and down. By controlling the extension and retraction length of the moving end of the second electric cylinder, the telescopic arm can move the filling needle back and forth for adjustment, improving the convenience of adding grease to bearings of different sizes.
[0009] Preferably, the positioning device includes a third electric cylinder, a clamping member, and a fourth electric cylinder. The third electric cylinder is mounted on the outer wall of the turntable, the fourth electric cylinder is mounted on the third electric cylinder, the clamping member is slidably mounted on the third electric cylinder, and the moving end of the fourth electric cylinder is connected to the clamping member. When the bearing is placed on the turntable, the clamping member is moved by the fourth electric cylinder so that the clamping member clamps and fixes the bearing in the center.
[0010] Preferably, it also includes a flow meter, with both ends of the flow meter installed on the injection needle; by installing the flow meter, the convenience of measuring the grease discharged from the injection needle is improved, and the accuracy of the grease injection amount is improved.
[0011] Preferably, it also includes a bracket, which is installed on the outer wall of the guide seat; the bracket supports the hose, improving the convenience of hose guidance and arrangement.
[0012] Preferably, it also includes an anti-slip pad, which is disposed on the outer wall of the clamping member; to improve the anti-slip effect of the clamping member in clamping and fixing the bearing.
[0013] Preferably, it also includes an operation panel, which is mounted on the base and connected to the controller; the operator can improve the convenience of controlling and adjusting the device's actions by operating the operation panel.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: The bearing that needs to be greased is placed on the top of the turntable, and then the bearing is centered and fixed on the turntable by the positioning device. Then, the position of the conveying box is adjusted by the support device so that the grease injection needle is moved to the eccentric position of the bearing. The turntable is driven to rotate by the motor, which in turn drives the bearing to rotate. At the same time, the supply mechanism delivers grease into the conveying box. The grease is injected into different positions of the bearing by the grease injection needle, which improves the efficiency of bearing grease injection, improves the accuracy of injection position, and reduces the complexity of personnel operation. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the isometric structure of this utility model;
[0016] Figure 2 This is a partial isometric structural diagram showing the connection between the base and the motor, etc.
[0017] Figure 3 This is a partial isometric structural diagram showing the connection between the clamping component and the fourth electric cylinder, etc.
[0018] Figure 4 This is a partial isometric structural diagram of the connection between the delivery box and the filling needle, etc.
[0019] The following components are labeled in the attached diagram: 1. Base; 2. Turntable; 3. Conveyor box; 4. Injection needle; 5. Motor; 6. Extrusion cylinder; 7. One-way inlet valve; 8. One-way outlet valve; 9. Piston; 10. First electric cylinder; 11. Hoses; 12. Guide seat; 13. Telescopic arm; 14. Second electric cylinder; 15. Third electric cylinder; 16. Clamping component; 17. Fourth electric cylinder; 18. Flow meter; 19. Bracket; 20. Anti-slip mat; 21. Control panel. Detailed Implementation
[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.
[0021] Example 1
[0022] like Figures 1 to 4As shown, this utility model discloses a grease filling device for CNC grinding machine spindle bearings, including a base 1 and a turntable 2, with the turntable 2 rotatably mounted on the top of the base 1; it also includes a support device, a supply mechanism, a positioning device, a conveying box 3, a filling needle 4, and a motor 5. The conveying box 3 is mounted on the base 1 via the support device, which is used to drive the conveying box 3 to move and adjust. The filling needle 4 is connected to the bottom of the conveying box 3. The conveying box 3 is connected to the supply mechanism, which is used to supply lubricating grease into the conveying box 3. The turntable 2 is provided with a positioning device, which is used to clamp and fix the bearing. The motor 5 is mounted on the outer wall of the base 1, and the output end of the motor 5 is connected to the turntable 2.
[0023] like Figure 2 As shown, the supply mechanism includes a squeezing cylinder 6, a one-way inlet valve 7, a one-way outlet valve 8, a piston 9, a first electric cylinder 10, and a hose 11. The squeezing cylinder 6 is mounted on the base 1. The one-way inlet valve 7 and the one-way outlet valve 8 are respectively connected to the squeezing cylinder 6. The one-way inlet valve 7 is connected to an external grease storage device. The output end of the one-way outlet valve 8 is connected to the hose 11. The output end of the hose 11 is connected to the conveying box 3. The piston 9 is slidably mounted inside the squeezing cylinder 6. The first electric cylinder 10 is mounted on the top of the squeezing cylinder 6. The moving end of the first electric cylinder 10 is connected to the piston 9.
[0024] In this embodiment, the bearing that needs to be greased is placed on the top of the turntable 2. Then, the bearing is centered and fixed on the turntable 2 by the positioning device. Subsequently, the position of the conveying box 3 is adjusted by the support device so that the grease injection needle 4 is moved to the eccentric position of the bearing. The turntable 2 is rotated by the motor 5, which in turn rotates the bearing. At the same time, the supply mechanism delivers grease into the conveying box 3. The grease is injected into different positions of the bearing by the grease injection needle 4, which improves the efficiency of bearing grease injection, improves the accuracy of injection position, and reduces the complexity of personnel operation.
[0025] Example 2
[0026] Based on Example 1, such as Figure 1 As shown, this utility model discloses a grease filling device for the spindle bearing of a CNC grinding machine. The supporting device includes a guide seat 12, a telescopic arm 13, a second electric cylinder 14, and a third electric cylinder 15. The guide seat 12 is installed on the top of the base 1. The telescopic arm 13 is slidably installed on the guide seat 12. The conveying box 3 is installed on the moving end of the telescopic arm 13. The second electric cylinder 14 is installed on the outer wall of the fixed end of the telescopic arm 13. The moving end of the second electric cylinder 14 is connected to the moving end of the telescopic arm 13. The third electric cylinder 15 is installed inside the guide seat 12. The moving end of the third electric cylinder 15 is connected to the telescopic arm 13.
[0027] like Figure 3As shown, the positioning device includes a third electric cylinder 15, a clamping member 16, and a fourth electric cylinder 17. The third electric cylinder 15 is mounted on the outer wall of the turntable 2, the fourth electric cylinder 17 is mounted on the third electric cylinder 15, the clamping member 16 is slidably mounted on the third electric cylinder 15, and the moving end of the fourth electric cylinder 17 is connected to the clamping member 16.
[0028] like Figure 2 As shown, it also includes a flow meter 18, which is mounted on the filling needle 4.
[0029] like Figure 2 As shown, it also includes a bracket 19, which is mounted on the outer wall of the guide seat 12;
[0030] like Figure 3 As shown, it also includes an anti-slip pad 20, which is disposed on the outer side wall of the clamping member 16;
[0031] like Figure 3 As shown, it also includes an operation panel 21, which is mounted on the base 1 and connected to the controller;
[0032] In this embodiment, the first electric cylinder 10 drives the piston 9 to move upward, causing the one-way inlet valve 7 to draw grease from the external grease storage device into the extrusion cylinder 6. After the first electric cylinder 10 drives the piston 9 to move downward, the piston 9 delivers the grease to the delivery box 3 through the one-way outlet valve 8 and the hose 11. The grease is then discharged and injected through the injection needle 4, improving the convenience of grease delivery. The third electric cylinder 15 drives the telescopic arm 13 to slide up and down, causing the telescopic arm 13 to move the injection needle 4 up and down. By controlling the extension and retraction length of the moving end of the second electric cylinder 14, the telescopic arm 13 moves the injection needle 4 back and forth for adjustment, improving the convenience of grease injection for bearings of different sizes.
[0033] This utility model discloses a grease filling device for CNC grinding machine spindle bearings. During operation, the bearing requiring grease filling is placed on the top of the turntable 2. Then, the bearing is centered and fixed on the turntable 2 by a positioning device. Subsequently, the position of the conveying box 3 is adjusted by a support device, so that the filling needle 4 moves to the eccentric position of the bearing. The turntable 2 is rotated by a motor 5, which in turn rotates the bearing. At the same time, the supply mechanism delivers grease into the conveying box 3, and the filling needle 4 fills the grease into different positions of the bearing.
[0034] The motor 5, first electric cylinder 10, second electric cylinder 14, third electric cylinder 15, fourth electric cylinder 17, flow meter 18, and operation panel 21 of the CNC grinding machine spindle bearing grease filling device of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.
[0035] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A grease filling device for the spindle bearing of a CNC grinding machine, comprising a base (1) and a turntable (2), wherein the turntable (2) is rotatably mounted on the top of the base (1); characterized in that, It also includes a support device, a supply mechanism, a positioning device, a delivery box (3), a filling needle (4), and a motor (5). The delivery box (3) is installed on the base (1) through the support device. The support device is used to drive the delivery box (3) to move and adjust. The filling needle (4) is connected to the bottom of the delivery box (3). The delivery box (3) is connected to the supply mechanism. The supply mechanism is used to deliver lubricating grease into the delivery box (3). A positioning device is provided on the turntable (2). The positioning device is used to clamp and fix the bearing. The motor (5) is installed on the outer wall of the base (1). The output end of the motor (5) is connected to the turntable (2).
2. The grease filling device for CNC grinding machine spindle bearings as described in claim 1, characterized in that, The supply mechanism includes a squeezing cylinder (6), a one-way inlet valve (7), a one-way outlet valve (8), a piston (9), a first electric cylinder (10), and a hose (11). The squeezing cylinder (6) is mounted on the base (1). The one-way inlet valve (7) and the one-way outlet valve (8) are respectively connected to the squeezing cylinder (6). The one-way inlet valve (7) is connected to an external grease storage device. The output end of the one-way outlet valve (8) is connected to the hose (11). The output end of the hose (11) is connected to the conveying box (3). The piston (9) is slidably mounted inside the squeezing cylinder (6). The first electric cylinder (10) is mounted on the top of the squeezing cylinder (6). The moving end of the first electric cylinder (10) is connected to the piston (9).
3. The grease filling device for CNC grinding machine spindle bearings as described in claim 1, characterized in that, The support device includes a guide seat (12), a telescopic arm (13), a second electric cylinder (14), and a third electric cylinder (15). The guide seat (12) is installed on the top of the base (1). The telescopic arm (13) is slidably installed on the guide seat (12). The conveying box (3) is installed on the moving end of the telescopic arm (13). The second electric cylinder (14) is installed on the outer wall of the fixed end of the telescopic arm (13). The moving end of the second electric cylinder (14) is connected to the moving end of the telescopic arm (13). The third electric cylinder (15) is installed inside the guide seat (12). The moving end of the third electric cylinder (15) is connected to the telescopic arm (13).
4. The grease filling device for CNC grinding machine spindle bearings as described in claim 1, characterized in that, The positioning device includes a third electric cylinder (15), a clamping member (16) and a fourth electric cylinder (17). The third electric cylinder (15) is mounted on the outer wall of the turntable (2), the fourth electric cylinder (17) is mounted on the third electric cylinder (15), the clamping member (16) is slidably mounted on the third electric cylinder (15), and the moving end of the fourth electric cylinder (17) is connected to the clamping member (16).
5. A grease filling device for CNC grinding machine spindle bearings as described in claim 1, characterized in that, It also includes a flow meter (18), which is mounted on the injection needle (4).
6. A grease filling device for CNC grinding machine spindle bearings as described in claim 3, characterized in that, It also includes a bracket (19), which is mounted on the outer wall of the guide seat (12).
7. A grease filling device for CNC grinding machine spindle bearings as described in claim 4, characterized in that, It also includes an anti-slip pad (20), which is disposed on the outer wall of the clamp (16).
8. A grease filling device for CNC grinding machine spindle bearings as described in claim 1, characterized in that, It also includes an operation panel (21), which is mounted on the base (1) and connected to the controller.