Rotating disc type grinding equipment

Abstract

The utility model discloses rotating disc type polishing equipment which comprises a base, three polishing machine tables, a rotating disc, a rotating disc driving device, a self-rotating shaft closing driving device and four clamping self-rotating mechanisms. The rotating disc type structural design is adopted, the three grinding machine tables and the four clamping and rotating mechanisms are arranged, along with rotation of the rotating disc, the clamping and rotating mechanisms at different positions can sequentially enter the different grinding machine tables for polishing treatment, handle type workpieces can be continuously ground and machined through one-time workpiece clamping, and the machining efficiency is improved. Continuous operation of rough grinding, semi-accurate grinding and accurate grinding is correspondingly achieved, the waiting time is shortened, the operation process is simplified, the work period is shortened, and the production efficiency is improved. And meanwhile, discharging and charging are carried out on the clamping rotation mechanism completing polishing machining at the same time, the polishing production process can be carried out seamlessly, interruption and pause are avoided, and the equipment utilization rate and the production efficiency are improved.

Description

Technical Field

[0001] This utility model relates to the field of grinding and polishing technology, specifically to a rotary grinding device. Background Technology

[0002] In the processing of everyday hardware parts, polishing is often required for certain parts. To improve the polishing effect, many polishing machines have been introduced on the market. However, for polishing parts of different shapes, specialized polishing machines need to be developed.

[0003] For polishing handle-type parts, as disclosed in utility model patent CN217493768U entitled "Tool Handle Polishing Equipment", a tool handle polishing device includes a base, a tool handle grinding mechanism, a tool clamping mechanism, a displacement detection mechanism, and a first rotating mechanism. The tool handle grinding mechanism is located on the base and can move vertically. It includes a first mounting plate and a sanding belt assembly connected to the first mounting plate. The tool clamping mechanism is located on one side of the tool handle grinding mechanism and includes at least one first clamping member for placing the tool to be processed and a second clamping member for placing a standard tool. Both the first and second clamping members can move toward or away from the tool handle grinding mechanism. The second clamping member can also rotate about a horizontal axis. The displacement detection mechanism is arranged vertically and corresponds to the position of the second clamping member. The displacement detection mechanism includes a detection head and a detection element. The detection element is used to detect the displacement of the detection head moving vertically. The first rotating mechanism includes a horizontal plate and two vertical plates. The two vertical plates are spaced apart and connected to the horizontal plate respectively. A rotating plate is rotatably connected between the two vertical plates. One end of the rotating plate is connected to a first motor for driving the rotating plate to rotate around a horizontal axis. At least one first clamping member and a second clamping member are spaced apart on the rotating plate. Since the tool holder grinding mechanism is fixed and cannot be tilted or rotated, the first motor drives the rotating plate to rotate around a horizontal axis to achieve the up-and-down swing of the tool holder. Although this achieves the grinding of the tool holder, after grinding a set of tool holders, the machine needs to be stopped to remove the ground tool holders and then replace them with the tool holders to be ground. During this replacement process, the machine stops working, resulting in a long waiting time before the next batch of grinding can begin. This causes significant idle time on the production line and low production efficiency. Furthermore, after the rough grinding process, the tool holders need to be moved and clamped to another tool holder polishing machine for semi-fine grinding or fine grinding, which is cumbersome, time-consuming, labor-intensive, and has a long work cycle. Utility Model Content

[0004] To address the aforementioned shortcomings, the purpose of this utility model is to provide a rotary grinding device with a reasonable structural design and high working efficiency.

[0005] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0006] A rotary grinding device includes a base and grinding platforms, a rotary table, a rotary table drive device, a self-rotating shaft drive device, and a clamping self-rotating mechanism. The number of grinding platforms is three, and the number of clamping self-rotating mechanisms is four. The rotary table is set at the center of the base via the rotary table drive device. The four clamping self-rotating mechanisms are symmetrically arranged on the rotary table. The three grinding platforms are distributed around the periphery of the rotary table. The self-rotating shaft drive device is set on the base on one side corresponding to the grinding platform and can be engaged or disengaged from the clamping self-rotating mechanism located above it.

[0007] In a preferred embodiment of this utility model, the turntable has a square outline, and its four sides protrude to form mounting portions for mounting the clamping and rotating mechanism. The turntable driving device includes a base, a geared motor, and a cam divider. The cam divider is mounted on the base via the base, and the geared motor is mounted on the base on one side corresponding to the base. The geared motor drives the cam divider via a belt drive assembly.

[0008] As a preferred embodiment of this utility model, the self-rotating coupling drive device includes a bracket, a lifting cylinder, a connecting rod, a linkage seat, a servo motor, and a lower docking shaft. The linkage seat is mounted on one side wall of the bracket via a linear slide rail assembly, and the lifting cylinder is mounted on the other side wall of the bracket. One end of the connecting rod is fixed to the linkage seat, and the other end is fixed to the piston rod of the lifting cylinder. The servo motor is mounted on the linkage seat, and one end of the lower docking shaft is mounted on the drive shaft of the servo motor, while the other side faces vertically and is provided with lower docking teeth.

[0009] As a preferred embodiment of this utility model, the clamping and rotating mechanism includes an RV reducer, a vertical plate, rotating jigs, and an upper docking shaft. The vertical plate is vertically mounted on the exchange table, and several rotating jigs are arranged side by side on the vertical plate. The RV reducer is mounted at one end of the vertical plate, and the output shaft of the RV reducer is connected to all the rotating jigs through a synchronous belt assembly. The input shaft of the RV reducer faces downward. The upper end of the upper docking shaft is mounted on the input shaft of the RV reducer, and the lower end extends vertically downward and is provided with an upper docking tooth that matches the lower docking tooth.

[0010] As a preferred embodiment of the present invention, the self-rotating fixture includes a self-rotating sleeve, a self-rotating shaft, and a workpiece fixture. The self-rotating shaft is mounted on the self-rotating sleeve via two tapered roller bearings, and the workpiece fixture is located at the front end of the self-rotating shaft.

[0011] In a preferred embodiment of this utility model, the synchronous belt assembly includes a driving synchronous pulley, a driven synchronous pulley, a synchronous guide pulley, a tensioning synchronous pulley, a support plate, a tensioning eccentric disc, and a synchronous belt. The driving synchronous pulley is mounted on the output shaft of the RV reducer, the driven synchronous pulley is mounted at the tail end of the rotating shaft, the tensioning eccentric disc is mounted on the exchange table via the support plate, the tensioning synchronous pulley is mounted on the eccentric shaft of the tensioning eccentric disc, and the synchronous guide pulley is positioned on the vertical plate between adjacent driven synchronous pulleys. The synchronous belt passes around the driving synchronous pulley, the driven synchronous pulley, the synchronous guide pulley, and the tensioning synchronous pulley.

[0012] As a preferred embodiment of this utility model, the grinding machine platform includes a Y-axis moving mechanism, a Z-axis moving mechanism, and a belt grinding head. The Z-axis moving mechanism is mounted on the base via the Y-axis moving mechanism and is driven by the Y-axis moving mechanism to reciprocate in the Y-axis direction. The belt grinding head is mounted on the Z-axis moving mechanism and is driven by it to reciprocate in the Z-axis direction.

[0013] As a preferred embodiment of this utility model, the belt sander head includes an electric cylinder drive device, a lifting seat, an extension arm, a rotating seat, and a belt sander assembly. The lifting seat is mounted on a Z-axis moving mechanism, and the belt sander assembly is mounted on the front side of the rotating seat. One end of the extension arm is fixed to the lifting seat, and the other end extends to the front side of the rotating seat and is hinged to the rotating seat via a hinge shaft. The axis of the hinge shaft is aligned with the center line of the sander belt in the belt sander assembly. The electric cylinder drive device is mounted on the lifting seat and can drive the rotating seat to rotate about the hinge shaft.

[0014] As a preferred embodiment of this utility model, the belt sanding assembly includes a sanding motor, a driving pulley, a driven pulley, a sanding belt adjustment device, and several sanding pressure rollers. The several sanding pressure rollers are spaced apart and arranged side by side at the lower edge of the rotary table. The sanding motor is located on one side of the rotary table. The driving pulley is located on the drive shaft of the sanding motor. The driven pulley is located on the other side of the rotary table through the sanding belt adjustment device. The sanding belt passes around the driving pulley, the driven pulley, and the sanding pressure rollers.

[0015] As a preferred embodiment of this utility model, it also includes a cover that can cover the base and the grinding machine table. The front of the cover is provided with an operation opening, and an industrial control computer is provided on the side of the operation opening. The turntable, the turntable drive device, the self-rotation shaft drive device, and the clamping self-rotation mechanism are all connected to and controlled by the industrial control computer.

[0016] The beneficial effects of this utility model are as follows: This utility model adopts a rotary table structure design, equipped with three grinding tables and four clamping and rotating mechanisms. As the rotary table rotates, the clamping and rotating mechanisms at different positions can sequentially enter different grinding tables for polishing. A single workpiece clamping allows for continuous grinding of handle-type workpieces, correspondingly achieving continuous operations of rough grinding, semi-fine grinding, and fine grinding. This reduces waiting time, simplifies the operation process, shortens the work cycle, and improves production efficiency. Simultaneously, the clamping and rotating mechanisms that have completed grinding are unloaded and loaded, allowing the grinding production process to continue seamlessly, avoiding interruptions and stoppages, and improving equipment utilization and production efficiency.

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0019] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0020] Figure 3 This is a schematic diagram of the structure of the turntable and turntable drive device in this utility model.

[0021] Figure 4 This is a schematic diagram of the structure of the grinding machine platform in this utility model.

[0022] Figure 5 This is a schematic diagram of the structure of the abrasive belt grinding head in this utility model.

[0023] Figure 6 This is a schematic diagram of the self-rotating shaft drive device and the clamping self-rotating mechanism in this utility model. Detailed Implementation

[0024] See the example. Figures 1 to 6 This embodiment provides a rotary grinding device, which includes a base 1, a grinding machine platform 2, a rotary table 3, a rotary table drive device 4, a self-rotating shaft drive device 5, a clamping self-rotating mechanism 6, and a machine cover 7. The number of grinding machine platforms 2 is three, and the number of clamping self-rotating mechanisms 6 is four.

[0025] The turntable drive device 4 includes a base 41, a reduction motor 42, and a cam divider 43. The cam divider 43 is mounted at the center of the base 1 via the base 41. The reduction motor 42 is mounted on the base 1 on one side corresponding to the base 41. The reduction motor 42 drives the cam divider 43 via a belt drive assembly. The turntable 3 is mounted on the output shaft of the cam divider 43.

[0026] The four clamping and rotating mechanisms 6 are symmetrically arranged on the turntable 3. Specifically, the turntable 3 has a square outline, and its four sides protrude to form mounting portions for installing the clamping and rotating mechanisms 6. The four clamping and rotating mechanisms 6 are precisely mounted on the four mounting portions.

[0027] The three grinding machines 2 are distributed around the turntable 3. In this embodiment, the three grinding machines 2 respectively perform rough grinding, semi-fine grinding and fine grinding processes.

[0028] The self-rotating shaft drive device 5 is mounted on the base 1 on one side of the grinding machine table 2, and can be engaged or disengaged from the clamping and rotating mechanism 6 located above it. The self-rotating shaft drive device 5 includes a bracket 51, a lifting cylinder 52, a connecting rod 53, a linkage seat 54, a servo motor 55, and a lower docking shaft 56. The linkage seat 54 is mounted on one side wall of the bracket 51 via a linear slide rail assembly. The lifting cylinder 52 is mounted on the other side wall of the bracket 51. One end of the connecting rod 53 is fixed to the linkage seat 54, and the other end is fixed to the piston rod of the lifting cylinder 52. The servo motor 55 is mounted on the linkage seat 54. One end of the lower docking shaft 56 is mounted on the drive shaft of the servo motor 55, and the other side faces vertically and is provided with lower docking teeth. The servo motor 55 drives the lower docking shaft 56 to rotate.

[0029] The clamping and rotating mechanism 6 includes an RV reducer 61, a vertical plate 62, rotating jigs 63, and an upper docking shaft 64. The vertical plate 62 is vertically mounted on the exchange table, and several rotating jigs 63 are arranged side by side on the vertical plate 62. The RV reducer 61 is located at one end of the vertical plate 62, and its output shaft is connected to all the rotating jigs 63 via a synchronous belt assembly. The input shaft of the RV reducer 61 faces downward. The upper end of the upper docking shaft 64 is mounted on the input shaft of the RV reducer 61, and its lower end extends vertically downward and is provided with upper docking teeth that are adapted to the lower docking teeth. Power transmission between the lower docking shaft 56 and the upper docking shaft 64 is achieved through the meshing of the lower docking teeth and the upper docking teeth.

[0030] The rotating fixture 63 includes a rotating sleeve, a rotating shaft, and a workpiece fixture. The rotating shaft is mounted on the rotating sleeve via two tapered roller bearings, and the workpiece fixture is located at the front end of the rotating shaft. The synchronous belt assembly includes a driving synchronous pulley, a driven synchronous pulley, a synchronous guide pulley, a tensioning synchronous pulley, a support plate, a tensioning eccentric disc, and a synchronous belt. The driving synchronous pulley is mounted on the output shaft of the RV reducer 61, the driven synchronous pulley is located at the tail end of the rotating shaft, the tensioning eccentric disc is mounted on the exchange table via the support plate, the tensioning synchronous pulley is mounted on the eccentric shaft of the tensioning eccentric disc, and the synchronous guide pulley is positioned on the vertical plate 62 between adjacent driven synchronous pulleys. The synchronous belt passes around the driving synchronous pulley, the driven synchronous pulley, the synchronous guide pulley, and the tensioning synchronous pulley.

[0031] The grinding machine platform 2 includes a Y-axis moving mechanism 21, a Z-axis moving mechanism 22, and a belt grinding head 23. The Z-axis moving mechanism 22 is mounted on the base 1 via the Y-axis moving mechanism 21 and is driven by the Y-axis moving mechanism 21 to reciprocate in the Y-axis direction. The belt grinding head 23 is mounted on the Z-axis moving mechanism 22 and is driven by it to reciprocate in the Z-axis direction.

[0032] The belt sanding head 23 includes an electric cylinder drive device 231, a lifting seat 232, an extension arm 233, a rotating seat 234, and a belt sanding assembly 235. The lifting seat 232 is mounted on the Z-axis moving mechanism 22, and the belt sanding assembly 235 is mounted on the front of the rotating seat 234. One end of the extension arm 233 is fixed to the lifting seat 232, and the other end extends to the front of the rotating seat 234 and is hinged to the rotating seat 234 via a hinge shaft. The axis of the hinge shaft is aligned with the center line of the sanding belt of the belt sanding assembly 235. In traditional sanders, because the position of the handle-type workpiece is far from its swing axis, the handle-type workpiece swings up and down a large amplitude. Therefore, the handle sanding mechanism needs to frequently perform large-stroke lifting and lowering movements to achieve the sanding purpose, which increases the wear of the Z-axis moving mechanism 22 and shortens its service life. Moreover, the large-stroke lifting and lowering movements also consume more time, resulting in low work efficiency. In this invention, since the rotation axis of the rotating base 234 is aligned with the center line of the sanding belt of the sanding head 23, the electric cylinder drive device 231 only needs to drive the rotating base 234 to rotate and swing to meet the grinding requirements of the handle-type workpieces. This avoids the problem of traditional handle-type workpieces needing to swing up and down significantly, effectively shortens the lifting stroke distance of the Z-axis moving mechanism 22, reduces wear and tear, and further improves work efficiency.

[0033] The electric cylinder drive device 231 is mounted on the lifting base 232 and can drive the rotating base 234 to rotate around the hinge axis. Specifically, the lifting base 232 has mounting plates on both sides, and a rear vertical bearing seat is provided on the mounting plate. Corresponding to the position of the rear vertical bearing seat, a front vertical bearing seat is provided on the back of the rotating base 234. One end of the electric cylinder drive device 231 is mounted on the rear vertical bearing seat via the rear rotating shaft, and the other end of the electric cylinder drive device 231 is mounted on the front vertical bearing seat via the front rotating shaft. Using the electric cylinder drive device 231 to drive the rotating base 234 to rotate ensures smooth rotation, improves the reliability and stability of equipment operation, and ensures the grinding effect.

[0034] The belt abrasive assembly 235 includes a grinding motor, a driving pulley, a driven pulley, a belt adjusting device, and several grinding pressure rollers. These grinding pressure rollers are spaced apart and arranged side-by-side at the lower edge of the rotary base 234. Preferably, an arc-shaped recess is provided on the rotary base 234 corresponding to the position between two adjacent grinding pressure rollers. This arc-shaped recess avoids handle-type workpieces, facilitating the grinding process. Grinding is performed using the portion of the abrasive belt that passes between two adjacent grinding pressure rollers, providing a certain degree of elasticity. The grinding motor is located on one side of the rotary base 234. The driving pulley is mounted on the drive shaft of the grinding motor. The driven pulley is located on the other side of the rotary base 234 via a sanding belt adjustment device. Specifically, the sanding belt adjustment device includes a cylinder seat, a tensioning cylinder, a rotating bearing, a wheel frame, a mounting base, and an adjustment handle. The tensioning cylinder is mounted on the rotary base 234 via the cylinder seat. The mounting base is located on the piston rod of the tensioning cylinder. The back of the wheel frame has an assembly cavity that matches the shape of the rotating bearing. The rotating bearing is fixed in the assembly cavity. The front of the mounting base has a mounting shaft for mounting the inner ring of the rotating bearing. Two adjustment handles are symmetrically arranged on both sides of the wheel frame and can press against the top surfaces of both sides of the mounting base. The driven pulley is mounted on the wheel frame. The tension of the sanding belt is adjusted by extending and retracting the tensioning cylinder to adjust the position of the driven pulley. The sanding belt is adjusted by adjusting the rotation angle of the wheel frame via the adjustment handle to adjust the deflection angle of the driven pulley. During operation, the sanding belt winds around the driving pulley, driven pulley, and grinding pressure roller. The grinding motor drives the driving pulley, which in turn drives the driven pulley and grinding pressure roller via the sanding belt, thus achieving the purpose of grinding.

[0035] The machine cover 7 is mounted on the base 1 and can cover all the components on the base 1. The front of the machine cover 7 has an operation opening, and the side of the operation opening has an industrial control computer 8. The turntable 3, the turntable drive device 4, the self-rotation shaft drive device 5, and the clamping self-rotation mechanism 6 are all connected to and controlled by the industrial control computer 8.

[0036] During operation, the geared motor 42 drives the turntable 3 to rotate 90 degrees sequentially through the cam divider 43. As the turntable 3 rotates, the clamping and rotating mechanisms 6 at different positions can sequentially enter different grinding tables 2 for polishing. A single workpiece clamping can perform continuous grinding of handle-type workpieces, thereby realizing continuous operation of rough grinding, semi-fine grinding and fine grinding, simplifying the operation process, shortening the work cycle, and increasing work efficiency.

[0037] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model. Other grinding machines that are the same as or similar to these are all within the protection scope of this utility model.

Claims

1. A rotary grinding device, comprising a base and a grinding table, characterized in that, It also includes a turntable, a turntable drive device, a self-rotating shaft drive device, and a clamping self-rotating mechanism. The number of grinding machine tables is three, and the number of clamping self-rotating mechanisms is four. The turntable is set at the center of the base through the turntable drive device. The four clamping self-rotating mechanisms are arranged symmetrically on the turntable. The three grinding machine tables are distributed around the turntable. The self-rotating shaft drive device is set on the base on one side corresponding to the grinding machine table and can be engaged or disengaged with the clamping self-rotating mechanism located above it.

2. The rotary grinding equipment according to claim 1, characterized in that: The turntable has a square outline, and its four sides protrude to form mounting portions for mounting the clamping and rotating mechanism.

3. The rotary grinding equipment according to claim 1, characterized in that: The self-rotating coupling drive device includes a bracket, a lifting cylinder, a connecting rod, a linkage seat, a servo motor, and a lower docking shaft. The linkage seat is mounted on one side wall of the bracket via a linear slide rail assembly, and the lifting cylinder is mounted on the other side wall of the bracket. One end of the connecting rod is fixed to the linkage seat, and the other end is fixed to the piston rod of the lifting cylinder. The servo motor is mounted on the linkage seat, and one end of the lower docking shaft is mounted on the drive shaft of the servo motor, while the other side faces vertically and is provided with lower docking teeth.

4. The rotary grinding equipment according to claim 3, characterized in that: The clamping and rotating mechanism includes an RV reducer, a vertical plate, rotating jigs, and an upper docking shaft. The vertical plate is vertically mounted on the exchange platform, and several rotating jigs are arranged side by side on the vertical plate. The RV reducer is located at one end of the vertical plate, and the output shaft of the RV reducer is connected to all the rotating jigs via a synchronous belt assembly. The input shaft of the RV reducer faces downward. The upper end of the upper docking shaft is located on the input shaft of the RV reducer, and the lower end extends vertically downward and is provided with an upper docking tooth that matches the lower docking tooth.

5. The rotary grinding equipment according to claim 4, characterized in that: The self-rotating fixture includes a self-rotating sleeve, a self-rotating shaft, and a workpiece fixture. The self-rotating shaft is mounted on the self-rotating sleeve via two tapered roller bearings, and the workpiece fixture is located at the front end of the self-rotating shaft. The synchronous belt assembly includes a driving synchronous pulley, a driven synchronous pulley, a synchronous guide pulley, a tensioning synchronous pulley, a support plate, a tensioning eccentric disc, and a synchronous belt. The driving synchronous pulley is located on the output shaft of the RV reducer, the driven synchronous pulley is located at the tail end of the self-rotating shaft, the tensioning eccentric disc is mounted on the exchange table via the support plate, the tensioning synchronous pulley is located on the eccentric shaft of the tensioning eccentric disc, and the synchronous guide pulley is positioned on the vertical plate between adjacent driven synchronous pulleys. The synchronous belt passes around the driving synchronous pulley, the driven synchronous pulley, the synchronous guide pulley, and the tensioning synchronous pulley.

6. The rotary grinding equipment according to claim 1, characterized in that: The grinding machine includes a Y-axis moving mechanism, a Z-axis moving mechanism, and a belt grinding head. The Z-axis moving mechanism is mounted on the base via the Y-axis moving mechanism and is driven by the Y-axis moving mechanism to reciprocate in the Y-axis direction. The belt grinding head is mounted on the Z-axis moving mechanism and is driven by it to reciprocate in the Z-axis direction.

7. The rotary grinding equipment according to claim 6, characterized in that: The belt sander head includes an electric cylinder drive unit, a lifting base, an extension arm, a rotating base, and a belt sanding assembly. The lifting base is mounted on a Z-axis moving mechanism. The belt sanding assembly is located on the front of the rotating base. One end of the extension arm is fixed to the lifting base, and the other end extends to the front of the rotating base and is hinged to the rotating base via a hinge shaft. The axis of the hinge shaft is aligned with the center line of the sanding belt in the belt sanding assembly. The electric cylinder drive unit is mounted on the lifting base and can drive the rotating base to rotate about the hinge shaft.

8. The rotary grinding equipment according to claim 7, characterized in that: The belt sanding assembly includes a sanding motor, a drive pulley, a driven pulley, a belt adjusting device, and several sanding pressure rollers. The several sanding pressure rollers are spaced apart and arranged side by side at the lower edge of the rotary table. The sanding motor is located on one side of the rotary table. The drive pulley is located on the drive shaft of the sanding motor. The driven pulley is located on the other side of the rotary table through the belt adjusting device. The sanding belt passes around the drive pulley, the driven pulley, and the sanding pressure rollers.

9. The rotary grinding equipment according to claim 1, characterized in that: It also includes a cover that can cover the base and the grinding machine table. The front of the cover has an operation opening, and an industrial control computer is located on the side of the operation opening. The turntable, the turntable drive device, the self-rotation shaft drive device, and the clamping self-rotation mechanism are all connected to and controlled by the industrial control computer.

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