Multi-angle deburring doctor blade
By designing a multi-angle deburring scraper, the problem of scraper deviation is solved by using an adjustment unit and an anti-slip structure, achieving stable deburring effect and efficient processing, and adapting to the processing needs of different screw holes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN AEROSPACE ELECTROMECHANICAL EQUIP RES INST
- Filing Date
- 2025-08-28
- Publication Date
- 2026-07-21
AI Technical Summary
Existing scrapers are prone to deviation during deburring, affecting the deburring effect, especially at the inlet and outlet of the tapping hole, where it is difficult to maintain vertical stability.
A multi-angle deburring scraper was designed, comprising a handle, scraper body, rotating drum, limiting drum, and adjustment unit. The guide rod and lead screw structure of the adjustment unit achieve stable support and limiting of the scraper body, ensuring that it remains vertical on screw holes of different angles and sizes. Combined with anti-slip grooves and anti-slip rubber rings, the gripping stability is improved.
It achieves stable rotation of the scraper during the deburring process, avoids deviation, improves deburring efficiency and processing quality, adapts to screw holes of different sizes and angles, and enhances the stability and convenience of operation.
Smart Images

Figure CN224526145U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of deburring scrapers, and in particular relates to a multi-angle deburring scraper. Background Technology
[0002] Deburring is the process of using a cutting tool to remove burrs or flash that form at the intersection of surfaces or holes on a part, preventing them from affecting the use of the part. During the tapping process, burrs will inevitably be generated at the inlet and outlet of the tapped hole. To avoid burrs affecting the production quality of the workpiece, workers will use a scraper to quickly scrape and clean the burrs at the inlet and outlet.
[0003] A search revealed that Chinese Patent Publication No. CN213560331U discloses a scraper for removing burrs from inner holes. The scraper has a simple and reasonable structural design and is highly practical. By setting a rotating bottom cover and base, the device is easy to disassemble and install, which facilitates maintenance work. The connecting part and the sleeve can be easily rotated, so the user can rotate the scraper structure with one hand.
[0004] In practical use, existing scrapers require the scraper to be perpendicular and stable to the screw hole when deburring the threaded hole at the inlet and outlet of the tapped area in order to quickly remove burrs from the outside of the screw hole. Otherwise, the deburring effect will be affected. The tilt of the scraper is entirely dependent on the manual operation of the operator, which can lead to deviation and affect the deburring effect. Therefore, a multi-angle deburring scraper is proposed to solve the above problems. Utility Model Content
[0005] In view of this, the present invention aims to propose a multi-angle deburring scraper, which improves the problem in the prior art where the scraper deviates during the deburring process, thus affecting the deburring effect.
[0006] To achieve the above objectives, the technical solution of this utility model is implemented as follows:
[0007] A multi-angle deburring scraper includes a handle, a scraper body, a rotating drum, a limiting cylinder, and an adjustment unit;
[0008] The bottom of the handle is detachably connected to a scraper body; a rotating cylinder is rotatably connected to the bottom surface of the handle; a rotating ring plate is fixedly connected to the outer side of the rotating cylinder; a limiting cylinder is sleeved on the outer side of the rotating cylinder; a fixing ring plate is fixedly connected to the outer side of the limiting cylinder; an adjustment unit is provided between the fixing ring plate and the rotating ring plate; the adjustment unit is used to adjust the position of the limiting cylinder.
[0009] Furthermore, the adjustment unit includes a guide rod, which is fixedly connected to one side of the upper surface of the fixed ring plate. A lead screw is provided on the other side of the upper surface of the fixed ring plate, with the bottom end of the lead screw passing through the fixed ring plate and a handle fixedly connected to the bottom end of the lead screw.
[0010] Furthermore, the top ends of both the guide rod and the lead screw pass through the rotating ring plate, and the lead screw is threadedly connected to the rotating ring plate, while the rotating cylinder is sleeved into the limiting cylinder.
[0011] Furthermore, the bottom end of the lead screw is rotatably connected to the fixed ring plate, and a hexagonal groove is provided on the bottom surface of the handle.
[0012] Furthermore, both the guide rod and the lead screw have a limiting plate on their upper surfaces.
[0013] Furthermore, the outer surface of the limiting cylinder is provided with an anti-slip groove, and the bottom surface of the limiting cylinder is fixedly connected with an anti-slip rubber ring.
[0014] Furthermore, a chip removal groove is provided at the bottom end of the scraper body.
[0015] Compared with existing technologies, the multi-angle deburring scraper of this utility model has the following advantages:
[0016] (1) The multi-angle deburring scraper of this utility model, through the cooperation of the set rotating cylinder, rotating ring plate, limiting cylinder, fixed ring plate and adjustment unit, can support and limit the scraper body during the deburring process of the scraper body, so that the scraper can rotate stably and avoid deviation that affects the deburring effect. At the same time, after changing the scraper body of different sizes and angles, the position of the limiting cylinder can be quickly adjusted to ensure the support and limiting effect of the scraper body.
[0017] (2) The multi-angle deburring scraper described in this utility model can increase the friction between the limiting cylinder and the worker's palm and the workpiece surface by the combination of the anti-slip groove and the anti-slip rubber ring, thereby improving the stability of the worker's grip on the limiting cylinder. The limiting plate can prevent the lead screw and guide rod from disengaging from the rotating ring plate, which would affect the adjustment and use of the scraper. Attached Figure Description
[0018] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:
[0019] Figure 1 This is a schematic diagram of the overall structure of a multi-angle deburring scraper proposed in this utility model;
[0020] Figure 2 This is a schematic diagram of the handle and body of a multi-angle deburring scraper proposed in this utility model;
[0021] Figure 3 This is a schematic diagram showing the disassembled rotating cylinder, limiting cylinder, and adjusting unit of a multi-angle deburring scraper proposed in this utility model.
[0022] Explanation of reference numerals in the attached figures:
[0023] 1. Handle; 2. Scraper body; 3. Chip removal groove; 4. Rotary drum; 5. Rotating ring plate; 6. Limiting cylinder; 7. Fixing ring plate; 71. Guide rod; 72. Lead screw; 73. Handle; 8. Anti-slip groove; 9. Limiting plate; 10. Anti-slip rubber ring. Detailed Implementation
[0024] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0025] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.
[0026] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0027] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0028] A multi-angle deburring scraper, such as Figure 1 Figure 2As shown, the device includes a handle 1, with a scraper body 2 detachably connected to the bottom of the handle 1. The scraper body 2 is replaceable and can be used interchangeably with scraper bodies 2 of different sizes and angles to deburr holes of different diameters, thus improving the adaptability of the scraper. A chip removal groove 3 is provided at the bottom of the scraper body 2, which allows the chips generated during the deburring process to be discharged quickly, improving the deburring efficiency. A rotating cylinder 4 is rotatably connected to the bottom of the handle 1, and a rotating ring plate 5 is fixedly connected to the outside of the rotating cylinder 4. The rotating cylinder 4 and the rotating ring plate 5 can rotate around the bottom of the handle 1, and the handle 1 can also rotate around the rotating cylinder 4 after being limited.
[0029] Reference Figures 1-3 A limiting cylinder 6 is sleeved on the outer side of the rotating drum 4. The limiting cylinder 6 can move linearly up and down on the outer side of the rotating drum 4. A fixed ring plate 7 is fixedly connected to the outer side of the limiting cylinder 6. When the fixed ring plate 7 moves, it can drive the limiting cylinder 6 to move synchronously. An adjustment unit is set above the fixed ring plate 7. The adjustment unit includes a guide rod 71. The guide rod 71 is fixedly connected to the upper surface of the fixed ring plate 7. The guide rod 71 is inserted into the rotating ring plate 5. The guide rod 71 can guide and limit the movement of the fixed ring plate 7, so that the fixed ring plate 7 can only move linearly up and down relative to the rotating ring plate 5. A lead screw 72 is set on the left side of the upper surface of the fixed ring plate 7. The bottom end of the lead screw 72 passes through the fixed ring plate 5. The top ends of the ring plate 7, guide rod 71, and lead screw 72 all pass through the rotating ring plate 5. The lead screw 72 is threadedly connected to the rotating ring plate 5. When the lead screw 72 rotates, it can drive the fixed ring plate 7 to move synchronously relative to the rotating ring plate 5. The bottom end of the lead screw 72 is rotatably connected to the fixed ring plate 7. The bottom end of the lead screw 72 and the through-point of the fixed ring plate 7 are rotatably connected through a bearing, so that the lead screw 72 can rotate relative to the fixed ring plate 7. The bottom end of the lead screw 72 is fixedly connected to a handle 73. The bottom surface of the handle 73 has a hexagonal groove. The user can drive the lead screw 72 to rotate quickly through the handle 73, or a hexagonal wrench can be inserted into the hexagonal groove to quickly drive the handle 73 to rotate.
[0030] Before deburring, the operator can insert the scraper body 2 into the inlet or outlet of the screw hole. Then, the operator can turn the handle 73 to rotate the lead screw 72, which in turn moves the fixed ring plate 7 downward relative to the rotating ring plate 5 under the guidance and limitation of the guide rod 71. This causes the limiting cylinder 6 to move downward relative to the rotating cylinder 4. When the bottom of the limiting cylinder 6 is in contact with the workpiece surface, the operator can stop rotating the handle 73. Then, the operator can grip and press down the limiting cylinder 6 to keep it stably in contact with the workpiece surface. After that, the operator can turn the handle 1 to rotate the scraper body 2 to perform fast and stable deburring at the inlet or outlet of the screw hole. The operation is simple and can avoid the scraper tilting during the deburring process, which would affect the deburring effect and the processing quality of the workpiece.
[0031] Reference Figure 3 Limiting plates 9 are fixedly connected to the upper surfaces of guide rod 71 and lead screw 72. The diameter of limiting plates 9 is larger than that of guide rod 71 and lead screw 72. Limiting plates 9 can limit the movement of guide rod 71 and lead screw 72 to prevent guide rod 71 and lead screw 72 from detaching from rotating ring plate 5, which would affect the adjustment and use of scraper. Anti-slip grooves 8 are provided on the outer surface of limiting cylinder 6. Anti-slip grooves 8 can increase the friction between the outer surface of limiting cylinder 6 and the palm of the operator to prevent slippage and improve the stability of scraper limiting. Anti-slip rubber rings 10 are fixedly connected to the bottom surface of limiting cylinder 6. Anti-slip rubber rings 10 can increase the contact friction between the bottom surface of limiting cylinder 6 and the surface of workpiece, further improving the stability of use.
[0032] Working principle: Before deburring the inlet or outlet of the screw hole, the operator can first select a suitable scraper body 2 and install it at the bottom of the handle 1. Then, insert the scraper body 2 into the inlet or outlet of the screw hole, and turn the handle 73 to drive the lead screw 72 to rotate. Under the limiting cooperation of the guide rod 71 and the fixed ring plate 7, the limiting cylinder 6 moves downward relative to the rotating cylinder 4. When the anti-slip rubber ring 10 is in contact with the workpiece surface, stop turning the handle 73. Then, the operator grips and presses down the limiting cylinder 6 to keep it stable. Then, rotate the handle 1 to drive the scraper body 2 to rotate, so as to achieve stable deburring at the inlet or outlet of the screw hole. This can avoid tilting during the deburring process, which would affect the deburring effect.
[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A multi-angle deburring scraper, characterized in that: Includes a handle, scraper body, rotating drum, limiting cylinder, and adjustment unit; The bottom of the handle is detachably connected to a scraper body; a rotating cylinder is rotatably connected to the bottom surface of the handle; a rotating ring plate is fixedly connected to the outer side of the rotating cylinder; a limiting cylinder is sleeved on the outer side of the rotating cylinder; a fixing ring plate is fixedly connected to the outer side of the limiting cylinder; an adjustment unit is provided between the fixing ring plate and the rotating ring plate; the adjustment unit is used to adjust the position of the limiting cylinder.
2. The multi-angle deburring scraper according to claim 1, characterized in that: The adjustment unit includes a guide rod, which is fixedly connected to one side of the upper surface of the fixed ring plate. A lead screw is provided on the other side of the upper surface of the fixed ring plate. The bottom end of the lead screw passes through the fixed ring plate and is fixedly connected to a handle.
3. The multi-angle deburring scraper according to claim 2, characterized in that: The top ends of the guide rod and the lead screw both pass through the rotating ring plate, and the lead screw is threadedly connected to the rotating ring plate, while the rotating cylinder is sleeved into the limiting cylinder.
4. The multi-angle deburring scraper according to claim 2, characterized in that: The bottom end of the lead screw is rotatably connected to the fixed ring plate, and the bottom surface of the handle is provided with a hexagonal groove.
5. A multi-angle deburring scraper according to claim 2, characterized in that: The upper surfaces of both the guide rod and the lead screw are provided with limiting plates.
6. A multi-angle deburring scraper according to claim 1, characterized in that: The outer surface of the limiting cylinder is provided with anti-slip grooves, and the bottom surface of the limiting cylinder is fixedly connected with an anti-slip rubber ring.
7. A multi-angle deburring scraper according to claim 1, characterized in that: The bottom end of the scraper body is provided with a chip removal groove.