Mechanism for improving vibration resistance of main shaft component

Abstract

The utility model relates to a mechanism for improving vibration resistance of a main shaft component, the mechanism comprises a pressing component, the main shaft component and a stand column component, the main shaft component is arranged on the stand column component in a rolling manner through the pressing component, the stand column component drives the main shaft component to roll and lift along the vertical direction of the stand column component, and a corresponding grinding wheel is arranged on the main shaft component and is used for grinding. According to the mechanism, the main shaft part and the stand column part are connected into a whole, the vibration resistance of the main shaft part in the machining process is improved, the movement precision is improved through the wear-resisting strips, the grinding precision is remarkably improved, the uniformity is improved, and the effective service life of a grinding wheel is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grinding machine, in particular to a mechanism for improving the anti-vibration of the grinding wheel spindle part. BACKGROUND

[0002] Metal processing grinding machine equipment needs grinding wheel when processing metal or non-metal workpieces. The grinding wheel is rotated at high speed by the spindle part during use, which can be used for rough grinding, semi-fine grinding and fine grinding of the outer circle, inner circle, plane and various profiles of metal or non-metal workpieces, and can also be used for slotting and cutting, etc. Especially during fine grinding, the spindle part needs to be stable and have certain anti-vibration, which can significantly improve the grinding precision, improve uniformity and prolong the effective life of the grinding wheel. SUMMARY

[0003] The purpose of the present application is to overcome the problems existing in the prior art, and to provide a mechanism for improving the anti-vibration of the spindle part, which connects the spindle part and the column part as a whole, thereby improving the anti-vibration of the spindle part during processing.

[0004] In order to achieve the above technical purpose and achieve the above technical effect, the present application realizes the following technical scheme:

[0005] A mechanism for improving the anti-vibration of the spindle part, the mechanism comprising a pressing part, a spindle part and a column part, the spindle part being rollingly arranged on the column part through the pressing part, the column part driving the spindle part to vertically roll and lift along the vertical direction, the spindle part being provided with a corresponding grinding wheel for grinding processing.

[0006] Further, the column part is composed of a support part and a transmission part, the support part forming a vertical support frame structure for accommodating the vertical movement of the spindle part, and the transmission part being used to drive the vertical movement of the spindle part on the support part.

[0007] Further, the support part of the column part comprises a column frame, a wear-resistant strip, a linear rail and a sliding block slidably arranged on the linear rail are vertically arranged on the column frame, and the spindle part is connected to the sliding block and slidably abuts against the wear-resistant strip.

[0008] The transmission part of the column part comprises a first servo motor arranged on the column frame, the output end of the first servo motor is connected with a lead screw, and the lead screw is connected with a lead screw nut to drive the vertical movement of the sliding block.

[0009] Further, the spindle part comprises a spindle seat, the spindle seat is connected with the sliding block, a spindle is rotatably arranged in the spindle seat, a grinding wheel is connected to the spindle, a motor support is connected to the other end of the spindle seat relative to the grinding wheel, and a second servo motor for driving the spindle is arranged in the motor support.

[0010] Further, the motor support is provided with an extended pressing frame part, the inner side of the pressing frame part is in close sliding contact with the wear-resistant strip to ensure sliding accuracy.

[0011] Further, a pressing part is arranged on the pressing frame part, the pressing part comprises a pressing support, the pressing support is threaded in the pressing frame part, a bearing pressing roller is rotatably arranged in the pressing support through a cylindrical pin, and the bearing pressing roller is rollingly pressed on the wear-resistant strip.

[0012] Further, a pressing disc is arranged on the pressing frame part corresponding to the outer end of the pressing support, a threaded hole is arranged in the center of the pressing disc, and the pressure between the bearing pressing roller and the wear-resistant strip is controlled through corresponding threaded parts.

[0013] Further, the mechanism further comprises a balance cylinder part, one end of the balance cylinder part is slidably connected with the column frame through a balance cylinder base plate, the other end is fixedly connected with the motor support, and the balance cylinder part is used for providing pulling force through a corresponding power source to reduce the stress of the lead screw nut, and then reduce the load of the first servo motor.

[0014] Further, a grating ruler is vertically arranged on the column frame, a grating ruler support is arranged on the sliding block, the grating ruler support is matched with the grating ruler to read data, and the vertical motion data feedback is provided.

[0015] The beneficial effects of the present application are:

[0016] The mechanism of the present application connects the main shaft part and the column part as a whole, improves the anti-vibration performance of the main shaft part during machining, improves the motion accuracy through the wear-resistant strip, significantly improves the sanding accuracy, improves the uniformity, and prolongs the effective life of the grinding wheel. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a schematic diagram of the inclined front view of the column part of the present application;

[0019] Figure 3 It is a schematic diagram of the inclined rear view of the column part of the present application;

[0020] Figure 4 It is a schematic diagram of the main shaft part structure of the present application;

[0021] Figure 5 It is a schematic diagram of the pressing part structure of the present application.

[0022] The following are the labeling instructions in the diagram: 1. Clamping component; 11. Bearing roller; 12. Cylindrical pin; 13. Clamping bracket; 14. Pressure plate; 2. Main spindle assembly; 21. Main spindle seat; 22. Main spindle; 23. Motor bracket; 24. Second servo motor; 25. Clamping frame; 26. Coupling; 3. Column assembly; 31. Column frame; 32. Slider; 33. Grating ruler; 34. Grating ruler bracket; 35. Linear guide; 36. Linear guide clamping block; 37. Bearing seat assembly; 38. Lead screw; 39. Lead screw nut; 310. Motor seat assembly; 311. First servo motor; 312. Balance cylinder pad; 313. Wear-resistant strip clamping block; 314. Wear-resistant strip; 4. Balance cylinder assembly; 5. Grinding wheel. Detailed Implementation

[0023] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] like Figure 1 As shown, a mechanism for improving the vibration resistance of a spindle component is disclosed. The mechanism includes a clamping component 1, a spindle component 2, and a column component 3. The spindle component 2 is rolled on the column component 3 via the clamping component 1. The column component 3 drives the spindle component 2 to roll and move vertically. The spindle component 2 is provided with a corresponding grinding wheel 5 for grinding.

[0025] The column component 3 consists of a support part and a transmission part. The support part forms a vertical support frame structure for accommodating the vertical movement of the spindle component 2 within it. The transmission part is used to drive the spindle component 2 to move vertically on the support part.

[0026] like Figure 2 and Figure 3 As shown, the supporting part of the column component 3 includes a column frame 31. In this embodiment, the column frame 31 adopts a portal frame structure, with the bottom extending to both sides and the middle being a hollow structure for accommodating the main shaft component 2. The column frame 31 is vertically provided with a wear-resistant strip 314, a linear guide 35, and a slider 32 slidably disposed on the linear guide 35. There is a pair of linear guides 35, located at two vertical portal positions of the column frame 31. A linear guide pressure block 36 is provided on one end of the linear guide 35, which can be used to adjust the parallelism of the linear guide 35 to achieve the required requirements. The main shaft component 2 is connected to the slider 32 and slides in contact with the wear-resistant strip 314. The wear-resistant strip 314 can be made of wear-resistant steel strip. The wear-resistant strip 314 is fixed to the two vertical portal positions of the column frame 31 on the other side opposite to the linear guide 35 by the wear-resistant strip pressure block 313.

[0027] The transmission part of the column component 3 includes a first servo motor 311 mounted on the column frame 31. The output end of the first servo motor 311 is connected to a lead screw 38. The lead screw 38 is connected to and drives the slider 32 to move vertically through a lead screw nut 39. In this embodiment, the output end of the first servo motor 311 is connected to a motor base assembly 310. The motor base assembly 310 is provided with a corresponding speed reduction transmission structure. The output end of the motor base assembly 310 is connected to one end of the lead screw 38, and the other end of the lead screw 38 is rotatably connected to a bearing seat assembly 37.

[0028] like Figure 4 As shown, the spindle component 2 includes a spindle seat 21, which is connected to the slider 32. A spindle 22 is rotatably mounted inside the spindle seat 21, and a grinding wheel 5 is connected to the spindle 22. A motor bracket 23 is connected to the other end of the spindle seat 21 opposite to the grinding wheel 5. A second servo motor 24 that drives the spindle 22 is provided inside the motor bracket 23. In this embodiment, the second servo motor 24 is connected to the spindle 22 through a coupling 26, and drives the spindle 22 to rotate through the coupling 26, thereby driving the grinding wheel 5 to rotate and realizing the grinding function.

[0029] The motor bracket 23 has an extended pressure frame 25 on its outer side. The inner side of the pressure frame 25 slides in contact with the wear-resistant strip 314 to ensure sliding accuracy.

[0030] A clamping component 1 is provided on the clamping frame 25, such as... Figure 5 As shown, the pressing component 1 includes a pressing bracket 13, which is inserted into the pressing frame 25. In this embodiment, a set screw can be provided in the pressing frame 25 to restrict the rotation of the pressing bracket 13. A bearing pressure roller 11 is rotatably provided in the pressing bracket 13 through a cylindrical pin 12. The bearing pressure roller 11 rolls and presses against the wear-resistant strip 314.

[0031] A pressure plate 14 is provided on the pressure frame 25 corresponding to the outer end of the pressure bracket 13. The center of the pressure plate 14 is provided with a threaded hole, which is used to control the pressure between the bearing pressure roller 11 and the wear-resistant strip 314 through the corresponding threaded parts.

[0032] The mechanism also includes a balance cylinder component 4, one end of which is slidably connected to the column frame 31 via a balance cylinder pad 312, and the other end is fixed to the motor bracket 23. It is used to provide tension through a corresponding assist source to reduce the force on the lead screw nut 39, thereby reducing the load on the first servo motor 311.

[0033] The column frame 31 is vertically provided with a grating ruler 33, and the slider 32 is provided with a grating ruler bracket 34. The grating ruler bracket 34 cooperates with the grating ruler 33 to read the data and provide feedback on vertical motion data.

[0034] In addition, it should be noted that, unless specifically stated or pointed out, the terms "first", "second" and the like in the specification are merely used to distinguish various components, elements, steps and the like in the specification, and are not intended to indicate a logical relationship or a sequential relationship between the various components, elements, steps and the like.

[0035] Those skilled in the art can understand that the related modules involved in the present application and the functions realized by the related modules are realized by loading the conventional computer software program or the relevant protocol in the improved hardware and the device, the apparatus or the system constituted by the improved hardware, and not by improving the computer software program or the relevant protocol. For example, the improved computer hardware system can still realize the specific function of the hardware system by loading the existing software operating system. Therefore, it can be understood that the innovation of the present application lies in the improvement of the hardware modules and the connection and combination relationship thereof, and not in the improvement of the software or the protocol loaded in the hardware modules for realizing the relevant functions.

[0036] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mechanism for improving the vibration resistance of a spindle component, characterized in that, The mechanism includes a clamping component (1), a spindle component (2) and a column component (3). The spindle component (2) is rolled on the column component (3) via the clamping component (1). The column component (3) drives the spindle component (2) to roll and move vertically. The spindle component (2) is provided with a corresponding grinding wheel (5) for grinding.

2. The mechanism for improving the vibration resistance of the spindle component according to claim 1, characterized in that, The column component (3) consists of a support part and a transmission part. The support part forms a vertical support frame structure for accommodating the vertical movement of the spindle component (2) within it. The transmission part is used to drive the spindle component (2) to move vertically on the support part.

3. The mechanism for improving the vibration resistance of the spindle component according to claim 1, characterized in that, The support part of the column component (3) includes a column frame (31), on which a wear-resistant strip (314), a linear guide (35), and a slider (32) slidably disposed on the linear guide (35) are provided vertically. The main shaft component (2) is connected to the slider (32) and slides in contact with the wear-resistant strip (314). The transmission part of the column component (3) includes a first servo motor (311) mounted on the column frame (31). The output end of the first servo motor (311) is connected to a lead screw (38). The lead screw (38) is connected to and drives the slider (32) to move vertically through a lead screw nut (39).

4. The mechanism for improving the vibration resistance of the spindle component according to claim 3, characterized in that, The spindle component (2) includes a spindle seat (21), which is connected to a slider (32). A spindle (22) is rotatably disposed inside the spindle seat (21), and a grinding wheel (5) is connected to the spindle (22). A motor bracket (23) is connected to the other end of the spindle seat (21) relative to the grinding wheel (5). A second servo motor (24) for driving the spindle (22) is disposed inside the motor bracket (23).

5. The mechanism for improving the vibration resistance of the spindle component according to claim 4, characterized in that, The motor bracket (23) has an extended pressure frame (25) on its outer side. The inner side of the pressure frame (25) slides against the wear-resistant strip (314) to ensure sliding accuracy.

6. The mechanism for improving the vibration resistance of the spindle component according to claim 5, characterized in that, A pressing component (1) is provided on the pressing frame (25). The pressing component (1) includes a pressing bracket (13). The pressing bracket (13) is inserted into the pressing frame (25). A bearing pressure roller (11) is rotatably provided inside the pressing bracket (13) via a cylindrical pin (12). The bearing pressure roller (11) rolls and presses against the wear-resistant strip (314).

7. The mechanism for improving the vibration resistance of the spindle component according to claim 6, characterized in that, A pressure plate (14) is provided on the pressure frame (25) corresponding to the outer end of the pressure bracket (13). The center of the pressure plate (14) is provided with a threaded hole, which is used to control the pressure between the bearing pressure roller (11) and the wear-resistant strip (314) through the corresponding threaded parts.

8. The mechanism for improving the vibration resistance of the spindle component according to claim 7, characterized in that, The mechanism also includes a balance cylinder component (4), one end of which is slidably connected to the column frame (31) via a balance cylinder pad (312), and the other end is fixed to the motor bracket (23). It is used to provide tension through a corresponding power source to reduce the force on the lead screw nut (39), thereby reducing the load on the first servo motor (311).

9. The mechanism for improving the vibration resistance of the spindle component according to claim 3 or 8, characterized in that, The column frame (31) is vertically provided with a grating ruler (33), and the slider (32) is provided with a grating ruler bracket (34). The grating ruler bracket (34) cooperates with the grating ruler (33) to read the data and provide feedback on vertical motion data.

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