A multi-axis automatic grinding machine for the periphery of a workpiece

Abstract

The present invention relates to a multi-axis automatic grinder for the periphery of a workpiece, comprising a frame, a fixed frame, a vertical frame, a flip frame, a lifting frame, a grinding motor, a grinding wheel, an intermediate plate, a front and rear feeding mechanism, a work table, a left and right translation mechanism, and a workpiece fixture. The front and rear feeding mechanism controls the front and rear movement of the intermediate plate. A lifting mechanism is provided between the lifting frame and the flip frame. A rotating locking mechanism for limiting the rotation of the flip frame is provided between the flip frame and the vertical frame. The workpiece fixture is rotationally connected to the work table and the rotation axis is vertical. A rotating motor drivingly connected to the workpiece fixture is provided on the work table. The present invention realizes simultaneous grinding of multiple workpieces through multiple arranged workpiece fixtures and grinding wheels. The rotating workpiece fixture, the work table that translates in a horizontal plane, and the horizontally flipping and lifting grinding wheel realize grinding of multiple surfaces and multiple angles of the workpiece. The grinding effect is good, and it is convenient to grind products with different peripheral surfaces, and the grinding surface stability is better.

Description

Technical Field

[0001] The invention relates to grinding equipment, in particular to a multi-axis automatic grinder for the periphery of a workpiece. Background Art

[0002] The outer circumference of some workpieces needs to be polished. The existing polishing method uses a handheld polishing mechanism or handheld workpiece polishing. This method is inefficient and the product quality is unstable. There are also automatic polishing equipment, but the grinding angle is inconvenient to adjust and is not suitable for polishing the circumference of parts. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a multi-axis automatic grinder for the periphery of a workpiece.

[0004] The technical solution adopted by the present invention to solve its technical problem is: a multi-axis automatic grinder for the outer periphery of a workpiece, comprising a frame, a fixed frame arranged in the frame, a vertical frame arranged at the rear sides of the left and right sides of the fixed frame, a turning frame arranged on the vertical frame, a lifting frame arranged on the turning frame, a grinding motor arranged on the lifting frame, a grinding wheel arranged on the lifting frame and connected to the main shaft of the grinding motor, an intermediate plate arranged above the front end of the fixed frame, a front and rear feeding mechanism connecting the intermediate plate and the fixed frame, a working table arranged on the intermediate plate, and a A left-right translation mechanism and a workpiece clamp arranged at the front end of the top surface of the work table, the front-back feeding mechanism controls the front-back movement of the middle plate, the left-right translation mechanism controls the left-right translation of the work table, a lifting mechanism for controlling the lifting and lowering of the lifting frame is provided between the lifting frame and the flip frame, the flip frame is rotatably connected to the vertical frame and the rotation axis extends horizontally left and right, a rotation locking mechanism for limiting the rotation of the flip frame is provided between the flip frame and the vertical frame, the workpiece clamp is rotatably connected to the work table and the rotation axis is vertical, and a rotating motor drivingly connected to the workpiece clamp is provided on the workbench.

[0005] In the above design, multiple workpieces can be ground simultaneously through multiple arranged workpiece fixtures and grinding wheels. The rotating workpiece fixture, the worktable that translates in the horizontal plane, and the horizontally flipping and lifting grinding wheel can realize the grinding of multiple surfaces and multiple angles of the workpiece. The grinding effect is good, it is convenient to apply to the grinding of products with different peripheral surfaces, and the grinding surface stability is better.

[0006] As a further improvement of the present design, a tension wheel is provided on the rear side of the lifting frame, and a grinding belt is connected between the grinding wheel and the tension wheel. The tension wheel is used to facilitate the installation of the grinding belt and prevent the grinding belt from slipping.

[0007] As a further improvement of the present design, a tension adjustment mechanism is provided between the tension wheel and the lifting frame, and the tension adjustment mechanism includes a tension slide column arranged at the rear side of the lifting frame and extending forward and backward, a tension slide seat arranged on the tension slide column and sliding forward and backward along the tension slide column, a crank rotatably connected to the lifting frame, and a connecting rod connecting the crank and the tension slide seat, the tension wheel is rotatably connected to the tension slide seat and the rotation axis extends vertically to the tension slide column, and the crank, the connecting rod and the tension slide seat form a crank slider mechanism. The tension adjustment mechanism adopts a crank slider mechanism to achieve adjustment, and the adjustment is convenient.

[0008] As a further improvement of the present design, the lifting mechanism includes a lifting screw arranged on the flip frame, a lifting nut arranged on the lifting frame and cooperating with the lifting screw, a lifting motor arranged on the flip frame and the main shaft cooperating with the lifting screw, and the lifting frame is provided with a lifting guide column cooperating with the flip frame, so that the lifting accuracy is high and the lifting stroke is controllable.

[0009] As a further improvement of the present design, the left and right translation mechanism and the front and rear feeding mechanism are both slide cylinders with a simple structure.

[0010] As a further improvement of the present design, the left and right translation mechanism and the front and rear feeding mechanism are both electric lead screw mechanisms with precise transmission.

[0011] As a further improvement of the present design, the driving mechanism between the rotary motor and the workpiece fixture includes a driven pulley arranged on the workpiece fixture, a driving pulley arranged on the main shaft of the rotary motor, and a transmission belt connecting the driving pulley and the driven pulley. It has a simple structure, good weather resistance, and does not require frequent maintenance.

[0012] As a further improvement of the present design, the driving mechanism between the rotary motor and the workpiece fixture includes a worm gear arranged on the workpiece fixture, a transmission shaft connected to the main shaft of the rotary motor, and a worm arranged on the transmission shaft and meshing with the worm gear. The transmission is more precise and the quality of the polished surface is more stable.

[0013] As a further improvement of the present design, the driving mechanism between the rotary motor and the workpiece fixture includes a gear arranged on the workpiece fixture, a rack arranged on the work surface and meshing with the gear, and an electric cylinder arranged on the work surface and connected to the rack, which has a simple structure and precise transmission.

[0014] As a further improvement of the present design, the rotary locking mechanism comprises an arc-shaped hole arranged on the vertical frame, a locking bolt passing through the arc-shaped hole and threadedly connected to the flip frame, and the arc-shaped hole extends along the rotation direction of the flip frame for easy adjustment.

[0015] As a further improvement of the present design, a liquid receiving funnel is provided on the frame below the fixed frame, a liquid receiving filter pool is provided on the rear side of the frame, a drainage port connected to the liquid receiving filter pool is provided on the rear side of the liquid receiving funnel, and a spray head connected to the liquid receiving filter pool is provided on the lifting frame. During the working process, the spray head sprays to avoid dust generation, and the liquid receiving filter pool is convenient for recycling the spray liquid, which is more environmentally friendly.

[0016] The beneficial effects of the present invention are as follows: the present invention realizes simultaneous grinding of multiple workpieces through multiple arranged workpiece fixtures and grinding wheels, and the rotating workpiece fixture, the work table that translates in the horizontal plane, and the horizontally flipping and lifting grinding wheel realize grinding of multiple surfaces and multiple angles of the workpiece, with good grinding effect, easy to apply to the grinding of products with different peripheral surfaces, and better grinding surface stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 It is a rear-view stereoscopic structural schematic diagram of the present invention.

[0019] Figure 2 It is a front perspective structural schematic diagram of the present invention.

[0020] Figure 3 It is a schematic diagram of the workpiece clamp rotating mechanism of Example 1 of the present invention.

[0021] Figure 4 It is a schematic diagram of the workpiece clamp rotation mechanism of Example 2 of the present invention.

[0022] Figure 5 It is a schematic diagram of the workpiece clamp rotation mechanism of Example 3 of the present invention.

[0023] In the figure, 1. frame, 2. fixed frame, 3. front and rear feeding mechanism, 4. middle plate, 5. left and right translation mechanism, 6. work table, 7. workpiece fixture, 8. stand, 9. locking bolt, 10. arc hole, 11. flip frame, 12. lifting screw, 13. lifting motor, 14. grinding motor, 15. lifting frame, 16. crank, 17. connecting rod, 18. tension slide column, 19. tension wheel, 20. grinding belt, 21. tension slide seat, 22. grinding wheel, 23. lifting nut, 24. lifting guide column, 25. driven pulley, 26. transmission belt, 27. driving pulley, 28. rotating motor, 29. worm, 30. worm wheel, 31. transmission shaft, 32. electric cylinder, 33. rack, 34. gear, 35. drainage port, 36. liquid receiving filter tank, 37. liquid receiving funnel, 38. sprinkler head. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein the illustrative embodiments and descriptions are only used to explain the present invention but are not intended to limit the present invention.

[0025] Embodiment 1: A multi-axis automatic grinding machine for the outer periphery of a workpiece, comprising a frame 1, a fixed frame 2 arranged in the frame 1, a vertical frame arranged at the rear sides of the fixed frame 2 on both sides, a turning frame 11 arranged on the vertical frame, a lifting frame 15 arranged on the turning frame 11, a grinding motor 14 arranged on the lifting frame 15, a grinding wheel 22 arranged on the lifting frame 15 and connected to the main shaft of the grinding motor 14, an intermediate plate 4 arranged above the front end of the fixed frame 2, a front and rear feeding mechanism 3 connecting the intermediate plate 4 and the fixed frame 2, a working table 6 arranged on the intermediate plate 4, and a left and right translation mechanism connected to the working table 6. Structure 5, a workpiece clamp 7 is arranged at the front end of the top surface of the work table 6, the front and rear feeding mechanism 3 controls the front and rear movement of the middle plate 4, the left and right translation mechanism 5 controls the left and right translation of the work table 6, a lifting mechanism for controlling the lifting and lowering of the lifting frame 15 is provided between the lifting frame 15 and the flip frame 11, the flip frame 11 is rotatably connected to the vertical frame and the rotation axis extends horizontally left and right, a rotation locking mechanism for limiting the rotation of the flip frame 11 is provided between the flip frame 11 and the vertical frame, the workpiece clamp 7 is rotatably connected to the work table 6 and the rotation axis is vertical, and a rotating motor 28 drivingly connected to the workpiece clamp 7 is provided on the workbench.

[0026] In the above design, multiple workpieces can be ground simultaneously through multiple arranged workpiece fixtures 7 and grinding wheels 22. The rotating workpiece fixture 7, the work table 6 that translates in the horizontal plane, and the horizontally flipped and raised grinding wheel 22 can be used to grind multiple surfaces and multiple angles of the workpiece. The grinding effect is good, and it is convenient to grind products with different peripheral surfaces, and the grinding surface stability is better.

[0027] As a further improvement of the present design, a tension wheel 19 is provided on the rear side of the lifting frame 15, and a grinding belt 20 is connected between the grinding wheel 22 and the tension wheel 19. The tension wheel 19 facilitates the installation of the grinding belt 20 and prevents the grinding belt 20 from slipping.

[0028] As a further improvement of the present design, a tension adjustment mechanism is provided between the tension wheel 19 and the lifting frame 15, and the tension adjustment mechanism includes a tension slide column 18 arranged at the rear side of the lifting frame 15 and extending forward and backward, a tension slide seat 21 arranged on the tension slide column 18 and sliding forward and backward along the tension slide column 18, a crank 16 rotatably connected to the lifting frame 15, and a connecting rod 17 connecting the crank 16 and the tension slide seat 21. The tension wheel 19 is rotatably connected to the tension slide seat 21, and the rotation axis extends vertically to the tension slide column 18. The crank 16, the connecting rod 17 and the tension slide seat 21 form a crank 16 slider mechanism. The tension adjustment mechanism adopts the crank 16 slider mechanism to achieve adjustment, and the adjustment is convenient.

[0029] As a further improvement of the present design, the lifting mechanism includes a lifting screw 12 arranged on the flip frame 11, a lifting nut 23 arranged on the lifting frame 15 and cooperating with the lifting screw 12, and a lifting motor 13 arranged on the flip frame 11 and whose main shaft cooperates with the lifting screw 12. The lifting frame 15 is provided with a lifting guide column 24 cooperating with the flip frame 11, and the lifting accuracy is high and the lifting stroke is controllable.

[0030] As a further improvement of the present design, the left and right translation mechanism 5 and the front and rear feeding mechanism 3 are both slide cylinders with a simple structure.

[0031] As a further improvement of the present design, the driving mechanism between the rotary motor 28 and the workpiece fixture 7 includes a driven pulley 25 arranged on the workpiece fixture 7, a driving pulley 27 arranged on the main shaft of the rotary motor 28, and a transmission belt 26 connecting the driving pulley 27 and the driven pulley 25. It has a simple structure, good weather resistance, and does not require frequent maintenance.

[0032] As a further improvement of the present design, the rotary locking mechanism includes an arc-shaped hole 10 arranged on the vertical frame, a locking bolt 9 passing through the arc-shaped hole and threadedly connected to the flip frame 11, and the arc-shaped hole 10 extends along the rotation direction of the flip frame 11 for easy adjustment.

[0033] As a further improvement of the present design, a liquid receiving funnel 37 is provided on the frame 1 below the fixed frame 2, a liquid receiving filter pool 36 is provided on the rear side of the frame 1, a drainage port 35 connected to the liquid receiving filter pool 36 is provided on the rear side of the liquid receiving funnel 37, and a spray head 38 connected to the liquid receiving filter pool 36 is provided on the lifting frame 15.

[0034] Embodiment 2: The difference between this embodiment and the other embodiments is that the driving mechanism between the rotary motor 28 and the workpiece fixture 7 includes a worm gear 30 arranged on the workpiece fixture 7, a transmission shaft 31 connected to the main shaft of the rotary motor 28, and a worm 29 arranged on the transmission shaft 31 and meshing with the worm gear 30. The transmission is more precise and the polishing surface quality is more stable.

[0035] Embodiment 3: The difference between this embodiment and the other embodiments is that the driving mechanism between the rotary motor 28 and the workpiece fixture 7 includes a gear 34 arranged on the workpiece fixture 7, a rack 33 arranged on the work surface 6 and meshing with the gear 34, and an electric cylinder 32 arranged on the work surface 6 and connected to the rack 33. It has a simple structure and precise transmission.

[0036] Embodiment 4: The difference between this embodiment and the other embodiments is that the left and right translation mechanism 5 and the front and rear feeding mechanism 3 are both electric screw mechanisms with precise transmission.

[0037] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A multi-axis automatic grinding machine for the outer periphery of a workpiece, characterized in that: The machine comprises a frame, a fixed frame arranged in the frame, a vertical frame arranged at the rear sides of the left and right sides of the fixed frame, a flip frame arranged on the vertical frame, a lifting frame arranged on the flip frame, a grinding motor arranged on the lifting frame, a grinding wheel arranged on the lifting frame and connected to the main shaft of the grinding motor, an intermediate plate arranged above the front end of the fixed frame, a front and rear feeding mechanism connecting the intermediate plate and the fixed frame, a working table arranged on the intermediate plate, a left and right translation mechanism connected to the working table, and a workpiece clamp arranged at the front end of the top surface of the working table, wherein the front and rear feeding mechanism controls The middle plate moves forward and backward, and the left and right translation mechanism controls the left and right translation of the work table. A lifting mechanism for controlling the lifting of the lifting frame is provided between the lifting frame and the flip frame. The flip frame is rotatably connected to the vertical frame and the rotation axis extends horizontally left and right. A rotation locking mechanism for limiting the rotation of the flip frame is provided between the flip frame and the vertical frame. The workpiece clamp is rotatably connected to the work table and the rotation axis is vertical. A rotating motor connected to the workpiece clamp is provided on the work table; a tension wheel is provided at the rear side of the lifting frame, and a grinding belt is connected between the grinding wheel and the tension wheel; the tension A tension adjustment mechanism is provided between the wheel and the lifting frame, and the tension adjustment mechanism includes a tension slide column arranged on the rear side of the lifting frame and extending forward and backward, a tension slide seat arranged on the tension slide column and sliding forward and backward along the tension slide column, a crank rotatably connected to the lifting frame, and a connecting rod connecting the crank and the tension slide seat. The tension wheel is rotatably connected to the tension slide seat, and the rotation axis extends up and down perpendicular to the tension slide column. The crank, the connecting rod and the tension slide seat form a crank slider mechanism; the lifting mechanism includes a lifting screw arranged on the flip frame, a lifting screw arranged on the lifting frame and connected to the lifting frame A lifting nut cooperates with the screw, a lifting motor is arranged on the turning frame and the main shaft cooperates with the lifting screw, and the lifting frame is provided with a lifting guide column cooperating with the turning frame; the rotary locking mechanism includes an arc hole arranged on the vertical frame, a locking bolt passing through the arc hole and threadedly connected to the turning frame, and the arc hole extends along the rotation direction of the turning frame; a liquid receiving funnel is provided on the frame below the fixed frame, a liquid receiving filter pool is provided on the rear side of the frame, a drainage port connected to the liquid receiving filter pool is provided on the rear side of the liquid receiving funnel, and a spray head connected to the liquid receiving filter pool is provided on the lifting frame.

2. The multi-axis automatic grinding machine for the outer periphery of a workpiece according to claim 1, characterized in that: The left and right translation mechanism and the front and rear feeding mechanism are both slide cylinders.

3. The multi-axis automatic grinding machine for the outer periphery of a workpiece according to claim 1, characterized in that: The left-right translation mechanism and the front-back feeding mechanism are both electric lead screw mechanisms.

4. The multi-axis automatic grinding machine for the outer periphery of a workpiece according to claim 1, characterized in that: The driving mechanism between the rotary motor and the workpiece fixture comprises a driven pulley arranged on the workpiece fixture, a driving pulley arranged on the main shaft of the rotary motor, and a transmission belt connecting the driving pulley and the driven pulley.

5. The multi-axis automatic grinding machine for the outer periphery of a workpiece according to claim 1, characterized in that: The driving mechanism between the rotary motor and the workpiece fixture comprises a worm gear arranged on the workpiece fixture, a transmission shaft connected to the main shaft of the rotary motor, and a worm arranged on the transmission shaft and meshing with the worm gear.

6. The multi-axis automatic grinding machine for the outer periphery of a workpiece according to claim 1, characterized in that: The driving mechanism between the rotary motor and the workpiece fixture comprises a gear disposed on the workpiece fixture, a rack disposed on the work surface and meshing with the gear, and an electric cylinder disposed on the work surface and connected to the rack.

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