Annular thin-walled workpiece polishing mechanism

Abstract

The utility model discloses an annular thin-wall part polishing mechanism which comprises a machine base, a fixing base is welded to the upper end face of the machine base, a third motor drives a threaded shaft to rotate, a supporting base is driven to do lifting motion along the threaded shaft under the action of rotation of the threaded shaft, and in the lifting process of the supporting base, the annular thin-wall part is fixed to the fixing base. One end of the supporting rod is movably connected with the supporting base through a movable base, the other end of the supporting rod is in sliding connection with a third sliding groove formed in the extension rod through a second rotating shaft, and in the movable adjusting process of the supporting rod, the supporting rod can push a push rod to move through the supporting rod, and the push rod drives a second limiting plate to extend outwards; the inner wall of the placed ring type thin-wall part is supported, so that in the grinding process of the ring type thin-wall part, the stability of the ring type thin-wall part is kept, the grinding effect is enhanced, the machining efficiency is improved, the grinding consistency and precision are ensured, the labor intensity is reduced, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ring-like thin-walled parts, in particular to a ring-like thin-walled part grinding mechanism. Background Art

[0002] Ring-type thin-walled parts are a special type of parts, which are characterized by a very small difference in inner and outer circle diameters, a radial dimension much larger than an axial dimension, and a small end face area. Due to their wide application in aerospace, precision instruments, automobile manufacturing and other fields, their surface quality and dimensional accuracy are required to be extremely high.

[0003] The existing methods for grinding thin-walled ring parts mostly use manual handheld grinding wheels or fixed grinders, which are not only inefficient but also difficult to ensure the consistency and accuracy of grinding. At the same time, the labor intensity is high and there are safety hazards. Therefore, we propose a grinding mechanism for thin-walled ring parts. Utility Model Content

[0004] The purpose of the utility model is to provide a ring-like thin-walled parts grinding mechanism to solve the problem that the ring-like thin-walled parts grinding method proposed in the above-mentioned background technology mostly adopts manual hand-held grinding wheels or fixed grinders, which is not only inefficient, but also difficult to ensure the consistency and accuracy of grinding, and at the same time has high labor intensity and safety hazards.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a grinding mechanism for ring-type thin-walled parts, comprising a machine base, a fixing seat welded to the upper end surface of the machine base, a cylinder welded to the upper end surface of the fixing seat, a second slide groove formed on the outer surface of the cylinder, an extension rod integrally provided at the top end of the cylinder, and third slide grooves formed on both sides of the extension rod;

[0006] The internal bolts of the fixed seat are connected to the third motor, and the output end of the third motor is movably connected to a threaded shaft, the outer surface of the threaded shaft passes through a support seat, and the support seat is threadedly connected to the threaded shaft, and a movable seat is provided on the outer surface of the support seat, and a support rod is rotatably connected to the middle of the movable seat, and the other end of the support rod is provided with a second rotating shaft, and the second rotating shaft is slidably connected to the third slide groove, and the top of the support rod is provided with a third rotating shaft, and a push rod is fixed in the middle of the third rotating shaft, and the other end of the push rod is welded to a second limit plate.

[0007] Preferably, a slide rail is provided on the upper end surface of the machine base, a tooth groove is provided on the outer surface of the machine base, a bearing seat is attached to one side of the machine base, and the bearing seat is slidably connected to the slide rail, the upper end surface of the bearing seat is bolted to a first motor, the output end of the first motor is movably connected to a first rotating shaft, a gear is welded to the outer surface of the first rotating shaft, and the gear is meshed with the tooth groove.

[0008] Preferably, a bearing plate is welded to the upper end surface of the bearing seat, a second motor is bolted to one side of the bearing plate, an output end of the second motor is movably connected to a drive shaft, a back plate is integrally provided on one side of the drive shaft, a screw rod passes through the middle of the back plate, a grinding wheel is connected to one side of the back plate, a threaded hole is opened in the middle of the grinding wheel, and the grinding wheel is tightly connected to the back plate through the screw rod.

[0009] Preferably, a first slide groove is provided on the outer surface of the fixed seat, a spring is fixedly connected to the middle of the first slide groove, a first limit plate is fixedly connected to the spring, a hydraulic rod is fixedly connected to one side of the first limit plate, and the other end of the hydraulic rod is fixedly connected to the inner wall of the first slide groove, and four groups of first limit plates are evenly distributed along the fixed seat.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The ring-type thin-walled parts grinding mechanism drives the threaded shaft to rotate by the third motor, and the support seat drives the support seat to move up and down along the threaded shaft under the action of the rotation of the threaded shaft. During the lifting process, the support seat can give a certain thrust to the support rod. One end of the support rod is movably connected to the support seat through the movable seat, and the other end is slidably connected to the third slide groove provided on the extension rod through the second rotating shaft. During the movable adjustment process, the support rod can push the push rod to move through the support rod, and the push rod drives the second limit plate to extend outward, so as to support the inner wall of the placed ring-type thin-walled parts, so as to maintain the stability of the ring-type thin-walled parts during the grinding process of the ring-type thin-walled parts, enhance the grinding effect, improve processing efficiency, ensure the consistency and accuracy of grinding, reduce labor intensity, and improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the column of the utility model;

[0014] Figure 3 This is a schematic diagram of the connection structure of the second limiting plate of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the bearing seat of the utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the grinding wheel of the utility model.

[0017] In the figure: 1. Machine base; 2. Slide rail; 3. Tooth groove; 4. Bearing seat; 5. First motor; 6. First rotating shaft; 7. Gear; 8. Bearing plate; 9. Second motor; 10. Drive shaft; 11. Back plate; 12. Screw; 13. Grinding wheel; 14. Threaded hole; 15. Fixed seat; 16. First slide groove; 17. Spring; 18. First limit plate; 19. Hydraulic rod; 20. Column; 21. Second slide groove; 22. Extension rod; 23. Third slide groove; 24. Third motor; 25. Threaded shaft; 26. Support seat; 27. Movable seat; 28. Support rod; 29. ​​Second rotating shaft; 30. Third rotating shaft; 31. Push rod; 32. Second limit plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-5 The utility model provides a technical solution: a ring-type thin-walled workpiece grinding mechanism, comprising a machine base 1, a fixing seat 15 welded to the upper end surface of the machine base 1, a cylinder 20 welded to the upper end surface of the fixing seat 15, a second slide groove 21 formed on the outer surface of the cylinder 20, an extension rod 22 integrally provided at the top end of the cylinder 20, and third slide grooves 23 formed on both sides of the extension rod 22;

[0020] The internal bolts of the fixed seat 15 are connected to the third motor 24, and the output end of the third motor 24 is movably connected to the threaded shaft 25. The outer surface of the threaded shaft 25 is penetrated by a support seat 26, and the support seat 26 is threadedly connected to the threaded shaft 25. The outer surface of the support seat 26 is provided with a movable seat 27, and the middle part of the movable seat 27 is rotatably connected to the support rod 28. The other end of the support rod 28 is provided with a second rotating shaft 29, and the second rotating shaft 29 is slidably connected to the third slide groove 23. The top of the support rod 28 is provided with a third rotating shaft 30, and a push rod 31 is fixed to the middle part of the third rotating shaft 30. The other end of the push rod 31 is welded to the second limit plate 32.

[0021] The threaded shaft 25 is driven to rotate by the third motor 24, and the support seat 26 is driven to move up and down along the threaded shaft 25 under the action of the rotation of the threaded shaft 25. During the lifting process, the support seat 26 can give a certain thrust to the support rod 28. One end of the support rod 28 is movably connected to the support seat 26 through the movable seat 27, and the other end is slidingly connected to the third slide groove 23 opened on the extension rod 22 through the second rotating shaft 29. During the movable adjustment process, the support rod 28 can push the push rod 31 to move through the support rod 28, and make the push rod 31 drive the second limit plate 32 to extend outward, so as to support the inner wall of the placed ring-like thin-walled part, so as to maintain the stability of the ring-like thin-walled part during the grinding process of the ring-like thin-walled part, enhance the grinding effect, improve the processing efficiency, ensure the consistency and accuracy of the grinding, reduce labor intensity, and improve safety.

[0022] Furthermore, a slide rail 2 is provided on the upper end face of the machine base 1, a tooth groove 3 is provided on the outer surface of the machine base 1, a bearing seat 4 is attached to one side of the machine base 1, and the bearing seat 4 is slidably connected to the slide rail 2, and the upper end face of the bearing seat 4 is bolted to a first motor 5, and the output end of the first motor 5 is movably connected to a first rotating shaft 6, and a gear 7 is welded to the outer surface of the first rotating shaft 6, and the gear 7 is meshed with the tooth groove 3. The first motor 5 drives the first rotating shaft 6 to rotate, and the first rotating shaft 6 drives the gear 7 to rotate, and the gear 7 is meshed with the tooth groove 3 provided on the outer surface of the machine base 1. As the gear 7 rotates, the bearing seat 4 can move in a circle along the tooth groove 3 and cooperate with the slide rail 2 provided on the upper and lower sides of the machine base 1, so that annular thin-walled parts can be polished in an annular manner, and semi-automatic polishing can be realized, which reduces the inconvenience caused by manual polishing, reduces labor consumption, and improves polishing accuracy.

[0023] Furthermore, a bearing plate 8 is welded to the upper end surface of the bearing seat 4, and a second motor 9 is bolted to one side of the bearing plate 8. The output end of the second motor 9 is movably connected to a drive shaft 10. A back plate 11 is integrally provided on one side of the drive shaft 10. A screw rod 12 is passed through the middle of the back plate 11. A grinding wheel 13 is connected to one side of the back plate 11. A threaded hole 14 is provided in the middle of the grinding wheel 13, and the grinding wheel 13 is fastened to the back plate 11 through the screw rod 12. A bearing Plate 8, the supporting plate 8 is installed with a second motor 9, the second motor 9 drives the driving shaft 10 to rotate, and the driving shaft 10 drives the grinding wheel 13 fixedly connected to the back plate 11 to rotate, so that the grinding wheel 13 can rotate with the rotation of the supporting seat 4, so as to complete the annular grinding of the ring-like thin-walled parts. The grinding wheel 13 is connected to the back plate 11 through a screw rod 12. After the grinding wheel 13 is worn, the grinding wheel 13 can be quickly replaced through the screw rod 12, thereby improving the grinding effect and providing convenience for grinding.

[0024] Further, the outer surface of the fixing base 15 is provided with a first sliding groove 16, the middle part of the first sliding groove 16 is fixedly connected with a spring 17, the spring 17 is fixedly connected with a first limiting plate 18, one side of the first limiting plate 18 is fixedly connected with a hydraulic rod 19, and the other end of the hydraulic rod 19 is fixedly connected with the inner wall of the first sliding groove 16, and the first limiting plate 18 is evenly distributed in four groups along the fixing base 15, the fixing base 15 is provided with the first sliding groove 16, the first limiting plate 18 is connected with the spring 17 and the hydraulic rod 19 in the first sliding groove 16, after the ring-shaped thin-walled part is placed on the fixing base 15, the first limiting plate 18 can limit the inner bottom of the ring-shaped thin-walled part, so as to prevent the ring-shaped thin-walled part from deviating during polishing, so as to increase the stability of polishing, improve the polishing precision, and improve the polishing efficiency.

[0025] Working principle: for the ring-shaped thin-walled part polishing mechanism, the staff places the ring-shaped thin-walled part on the fixing base 15, according to the inner wall width of the ring-shaped thin-walled part, the third motor 24 drives the threaded shaft 25 to rotate, the supporting seat 26 moves up and down under the action of the threaded shaft 25 rotating, the supporting seat 26 can give a certain thrust to the supporting rod 28 during the lifting process, then the supporting rod 28 pushes the push rod 31 to move, and the push rod 31 drives the second limiting plate 32 to extend outward, so that the second limiting plate 32 is attached to the inner wall of the ring-shaped thin-walled part, thereby supporting the placed ring-shaped thin-walled part, the fixing base 15 is provided with the first limiting plate 18, after the ring-shaped thin-walled part is placed on the fixing base 15, the first limiting plate 18 can limit the inner bottom of the ring-shaped thin-walled part, and cooperates with the second limiting plate 32, which can prevent the ring-shaped thin-walled part from moving during polishing, thereby increasing the stability of polishing, improving the polishing precision, and improving the polishing efficiency.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A grinding mechanism for ring-type thin-walled parts, comprising a base (1), characterized in that: A fixing seat (15) is welded to the upper end surface of the machine base (1), a cylinder (20) is welded to the upper end surface of the fixing seat (15), a second slide groove (21) is provided on the outer surface of the cylinder (20), an extension rod (22) is integrally provided at the top end of the cylinder (20), and third slide grooves (23) are provided on both sides of the extension rod (22); The internal bolts of the fixed seat (15) are connected to the third motor (24), and the output end of the third motor (24) is movably connected to the threaded shaft (25), the outer surface of the threaded shaft (25) is penetrated by a support seat (26), and the support seat (26) is threadedly connected to the threaded shaft (25), and the outer surface of the support seat (26) is provided with a movable seat (27), the middle part of the movable seat (27) is rotatably connected to the support rod (28), the other end of the support rod (28) is provided with a second rotating shaft (29), the second rotating shaft (29) is slidably connected to the third slide groove (23), the top end of the support rod (28) is provided with a third rotating shaft (30), the middle part of the third rotating shaft (30) is fixed with a push rod (31), and the other end of the push rod (31) is welded with a second limit plate (32).

2. A ring-type thin-walled parts grinding mechanism according to claim 1, characterized in that: The upper end surface of the machine base (1) is provided with a slide rail (2), the outer surface of the machine base (1) is provided with a tooth groove (3), a bearing seat (4) is attached to one side of the machine base (1), and the bearing seat (4) is slidably connected to the slide rail (2), the upper end surface of the bearing seat (4) is bolted to a first motor (5), the output end of the first motor (5) is movably connected to a first rotating shaft (6), the outer surface of the first rotating shaft (6) is welded to a gear (7), and the gear (7) is meshed with the tooth groove (3).

3. A ring-type thin-walled workpiece grinding mechanism according to claim 1, characterized in that: A bearing plate (8) is welded to the upper end surface of the bearing seat (4), a second motor (9) is bolted to one side of the bearing plate (8), an output end of the second motor (9) is movably connected to a drive shaft (10), a back plate (11) is integrally provided on one side of the drive shaft (10), a screw rod (12) passes through the middle of the back plate (11), a grinding wheel (13) is connected to one side of the back plate (11), a threaded hole (14) is provided in the middle of the grinding wheel (13), and the grinding wheel (13) is tightly connected to the back plate (11) through the screw rod (12).

4. A ring-type thin-walled workpiece grinding mechanism according to claim 1, characterized in that: The outer surface of the fixed seat (15) is provided with a first sliding groove (16), the middle part of the first sliding groove (16) is fixedly connected to a spring (17), the spring (17) is fixedly connected to a first limiting plate (18), one side of the first limiting plate (18) is fixedly connected to a hydraulic rod (19), and the other end of the hydraulic rod (19) is fixedly connected to the inner wall of the first sliding groove (16), and four groups of first limiting plates (18) are evenly distributed along the fixed seat (15).

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