Polishing device
By designing a multi-point rotary grinding device, the problems of low grinding efficiency and unevenness are solved by using transmission gears and universal transmission components, achieving efficient and uniform surface grinding, especially improving the adaptability to uneven surfaces.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUADIAN FOSHAN ENERGY CO LTD
- Filing Date
- 2025-06-15
- Publication Date
- 2026-04-17
AI Technical Summary
Existing grinding equipment has low grinding efficiency and uneven grinding, especially in areas with uneven surfaces where grinding is often incomplete.
A grinding device is designed, comprising at least three transmission gears, a transmission shaft, a universal transmission assembly, and a grinding disc. The transmission gears and grinding disc are rotated by a motor assembly to achieve simultaneous grinding at multiple points, and the universal transmission assembly is used to adapt to uneven surfaces.
It improves grinding efficiency and uniformity, effectively grinding uneven surfaces and avoiding the problem of incomplete grinding in certain areas.
Smart Images
Figure CN224129406U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of equipment and product surface polishing tools, specifically polishing devices. Background Technology
[0002] Grinding machines are widely used in equipment repair, mold making, and hardware processing for surface grinding, coating removal, finishing, and polishing. Grinding is defined as the process of using sandpaper, grinding wheels, and other tools to rub against a metal surface to remove burrs, impurities, oxide layers, unevenness, and other defects, resulting in a smooth and clean surface. Grinding can remove surface rust, oil, dust, and other contaminants, as well as burrs and debris. It makes surfaces smoother, and for various metal materials, grinding can improve the mechanical adhesion of coatings. Furthermore, grinding equipment can remove paint from metal surfaces.
[0003] There are many grinding machines available now, but they all have many drawbacks, at least as follows:
[0004] 1. Existing grinding equipment has low grinding efficiency and uneven grinding.
[0005] 2. Existing grinding equipment is particularly inconvenient for grinding uneven surfaces and surfaces with curved structures, such as gas turbine impeller blades. This often results in some areas being over-grinded while others are under-grinded. Utility Model Content
[0006] The purpose of this invention is to solve the problems of low grinding efficiency, uneven grinding, inconvenient operation and inadequate grinding of existing grinding equipment for uneven surfaces.
[0007] To solve the above-mentioned technical problems, the present invention provides a grinding device, comprising:
[0008] shell;
[0009] A motor assembly is installed inside the housing; the motor shaft of the motor assembly is connected to a first transmission gear.
[0010] It includes at least three second transmission gears, each of which meshes with the first transmission gear.
[0011] It includes at least three drive shafts, one end of each drive shaft is fixedly connected to a second drive gear; and the other end of each drive shaft is fixedly connected to one end of a universal joint assembly.
[0012] Each of the universal joint drive components is connected to a grinding disc at the other end;
[0013] At least three of the second transmission gears, at least three of the transmission shafts, at least three of the universal joints and at least three of the grinding discs are radially distributed around the motor shaft; and at least three of the grinding discs are at a horizontal height.
[0014] As a preferred embodiment of the grinding device of this utility model, it includes a bearing seat, and at least three drive shafts are respectively movably mounted on the bearing seat.
[0015] In a preferred embodiment of the grinding device of this utility model, the bearing seat is provided with at least three shaft holes in a radial pattern, and at least three of the transmission shafts are movably installed in at least three of the shaft holes.
[0016] As a preferred embodiment of the grinding device of this utility model, it includes at least three shaft covers, which are fixedly connected to the shaft seat.
[0017] As a preferred embodiment of the grinding device of this utility model, it includes a connecting arm, one end of which is fixedly connected to the shaft seat, and the other end of which is fixedly connected to the outer shell.
[0018] As a preferred embodiment of the grinding device of this utility model, it includes an end cover, which is detachably connected to the outer shell; the drive shaft is at least partially located inside the end cover; and the grinding disc is located outside the end cover.
[0019] In a preferred embodiment of the grinding device of this utility model, the housing has a power switch, which is electrically connected to the motor assembly.
[0020] Beneficial effects
[0021] This utility model solves the above-mentioned existing problems and other existing problems not mentioned above, and brings at least the following innovative advantages:
[0022] This utility model grinding device, through the arrangement of at least three second transmission gears, at least three transmission shafts, at least three universal transmission components, and at least three grinding discs, and with the first transmission gear of the motor assembly simultaneously driving the second transmission gears of the three transmission shafts, thereby simultaneously driving the three grinding discs to rotate, achieves increased grinding area, improved grinding efficiency, and enhanced grinding uniformity. Furthermore, since each grinding disc is connected via a universal transmission component, when encountering an uneven surface area to be ground, at least three grinding discs can adapt to the surface contour changes and maintain different angles individually, thus solving the problem of inconvenient and incomplete grinding in current grinding devices when grinding uneven areas. Attached Figure Description
[0023] Figure 1 This is a three-dimensional rendering of the present invention;
[0024] Figure 2 This is a top view of the present invention.
[0025] Figure 3 for Figure 2 Cross-sectional view of position AA in the middle;
[0026] Figure 4 This is an exploded view of the present invention.
[0027] In the diagram: 1. Housing, 2. Motor assembly, 3. Motor shaft, 4. First transmission gear, 5. Second transmission gear, 6. Transmission shaft, 7. Universal transmission assembly, 8. Grinding disc, 9. Shaft seat, 10. Shaft hole, 11. Shaft cover, 12. Connecting arm, 13. End cover, 14. Power switch. Detailed Implementation
[0028] To make the objectives, technical solutions, and advantages of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings.
[0029] In the accompanying drawings, the same reference numerals represent the same parts. It should be noted that the described embodiments are only some, not all, of the embodiments disclosed herein.
[0030] Based on the embodiments described in this disclosure, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this disclosure.
[0031] like Figures 1 to 4 As shown, the grinding device of this utility model includes a housing 1 and a motor assembly 2. Figure 3 The motor assembly 2 is shown to be installed inside the housing 1; the motor shaft 3 of the motor assembly 2 is connected to the first transmission gear 4. Figure 1 , Figure 2 and Figure 4 The demonstration also included at least three second transmission gears 5. Figure 3 It shows at least three second transmission gears 5 respectively meshing with the first transmission gear 4; including at least three transmission shafts 6. Figure 4 It is shown that one end of each of the drive shafts 6 is fixedly connected to one of the second drive gears 5; and the other end of each of the drive shafts 6 is fixedly connected to one end of a universal joint assembly 7; at the same time Figure 4 It also shows that each of the universal joint components 7 is connected to a grinding disc 8 at its other end; wherein the universal joint component 7 is a universal joint; such as Figure 1 , Figure 2 , Figure 3 As shown, at least three of the second transmission gears 5, at least three of the transmission shafts 6, at least three of the universal joint transmission components 7, and at least three of the grinding discs 8 are radially distributed with the motor shaft 3 as the axis; Figure 3 As shown, at least three of the polishing discs 8 are at a horizontal height.
[0032] This utility model grinding device, through the arrangement of at least three second transmission gears 5, at least three transmission shafts 6, at least three universal transmission components 7, and at least three grinding discs 8, and with the first transmission gear 4 of the motor assembly 2 simultaneously driving the second transmission gears of the three transmission shafts 6, thereby simultaneously driving the three grinding discs 8 to rotate, achieves increased grinding area, improved grinding efficiency, and enhanced grinding uniformity. Furthermore, since each grinding disc 8 is connected through a universal transmission component 7, when encountering an uneven surface area to be ground, at least three grinding discs 8 can adapt to the surface contour changes and maintain different angles individually, thus solving the problem of inconvenient grinding and incomplete grinding in current grinding devices when grinding uneven areas of the equipment surface.
[0033] like Figure 1 As shown, it includes an end cap 13, which is detachably connected to the outer casing 1; the drive shaft 6 is at least partially located inside the end cap 13; and the grinding disc 8 is located outside the end cap 13. Figure 1 The housing 1 is shown to have a power switch 14, which is electrically connected to the motor assembly 2.
[0034] like Figure 3 and Figure 4 As shown, it includes a bearing seat 9, and at least three of the drive shafts 6 are movably mounted on the bearing seat 9. Figure 4 The bearing seat 9 is shown to have at least three radially arranged shaft holes 10, and at least three of the drive shafts 6 are movably mounted in the at least three shaft holes 10. Figure 4 It shows at least three of the aforementioned shaft covers 11. Figure 3 The shaft cover 11 is shown to be fixedly connected to the shaft seat 9.
[0035] like Figure 3 and Figure 4 As shown, it includes a connecting arm 12, one end of which is fixedly connected to the bearing 9, and the other end of which is fixedly connected to the outer casing 1.
[0036] The terms "first," "second," and similar words used in the specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, terms such as "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. Terms such as "comprising" or "including" indicate that the elements or objects preceding "comprising" encompass the elements or objects listed following "comprising" or their equivalents, and do not exclude other elements or objects. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly. The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. The scope of protection of the present invention is defined by the appended claims. For those skilled in the art, other embodiments can be obtained based on the accompanying drawings without creative effort, and any modifications based on the claims of the present invention are also within the scope of protection of the present invention.
Claims
1. A sharpening device characterized by, include: shell; A motor assembly, which is mounted within the housing; The motor shaft of the motor assembly is connected to a first transmission gear; It includes at least three second transmission gears, each of which meshes with the first transmission gear. It includes at least three drive shafts, one end of each drive shaft is fixedly connected to a second drive gear; and the other end of each drive shaft is fixedly connected to one end of a universal joint assembly. Each of the universal joint drive components is connected to a grinding disc at the other end; At least three of the second transmission gears, at least three of the transmission shafts, at least three of the universal joints and at least three of the grinding discs are radially distributed around the motor shaft; and at least three of the grinding discs are at a horizontal height.
2. The sharpening device of claim 1, wherein Includes a bearing seat, and at least three drive shafts are movably mounted on the bearing seat.
3. The sharpening device of claim 2, wherein, The bearing seat is radially provided with at least three shaft holes, and at least three of the drive shafts are movably installed in at least three of the shaft holes.
4. A sharpening device according to claim 2 or 3, characterized in that It includes at least three shaft covers, which are fixedly connected to the shaft seat.
5. The sharpening device of claim 2, wherein, It includes a connecting arm, one end of which is fixedly connected to the bearing seat, and the other end of which is fixedly connected to the housing.
6. The sharpening device of claim 1, wherein, It includes an end cap, which is detachably connected to the housing; the drive shaft is at least partially located inside the end cap; and the grinding disc is located outside the end cap.
7. The sharpening device of claim 1, wherein, The housing has a power switch that is electrically connected to the motor assembly.