Elastic deburring chamfering cutter
By designing elastic and floating mechanisms in the chamfer knife, the problems of hard contact and irregular burr treatment of chamfer knife during the machining process are solved, and chamfer processing with higher quality and precision are achieved.
Patent Information
- Application Number
- CN202421385074.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-06-17
AI Technical Summary
Existing chamfer knives are prone to hard contact during processing, damage to the workpiece or the cutting head, and are prone to breaking the knife or causing damage to the workpiece when dealing with irregular burrs.
An elastic deburring chamfer knife is designed, and an elastic mechanism and a floating mechanism are adopted. The elastic block and the first spring prevent hard contact, and the floating tooth block and the second spring realize the adaptive floating of the cutter head.
Effectively prevent hard contact between the cutting head and the workpiece, protect the cutting head and workpiece, improve the quality and accuracy of chamfering processing, avoid tool damage, improve processing stability and reduce errors.
Smart Images
Figure CN222806120U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical processing, in particular to an elastic deburring and chamfering tool. Background Art
[0002] Chamfering is generally done to facilitate the assembly of parts. Chamfering is done at the end of the parts. Deburring is done to remove the thorns or flash formed on the edges of the parts. In mechanical processing, the chamfering and deburring processes are basically performed at the same time. The deburring and chamfering process looks simple, but it directly affects the quality and processing efficiency of the product. In metal processing, due to the limitations of various irregular shaped parts, there are many difficult problems in polishing, chamfering and deburring due to the complex and changeable position and shape, multiple and irregular areas, and complex chamfered edges. There are at least the following disadvantages in the use of existing chamfering cutters:
[0003] 1. During the use of the existing chamfering cutter, when the chamfering cutter is chamfering the workpiece, hard contact may easily cause damage to the workpiece or the cutter head.
[0004] 2. During the use of existing chamfering cutters, it is easy for the cutter to break or damage the workpiece when processing irregular burrs. Therefore, we have introduced an elastic deburring chamfering cutter. Utility Model Content
[0005] The main purpose of the utility model is to provide an elastic deburring and chamfering tool, which can effectively solve the problems in the background technology.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0007] A flexible deburring and chamfering tool comprises a mounting shaft tube, a first mounting ring and a second mounting ring are fixedly connected to the outer surface of the mounting shaft tube, a plurality of fixed tooth blocks are fixedly connected to the outer surface of the mounting shaft tube, the upper ends of the plurality of fixed tooth blocks are fixedly connected to the lower end of the second mounting ring, the lower ends of the plurality of fixed tooth blocks are fixedly connected to the upper end of the first mounting ring, an elastic mechanism is provided at the lower end of the mounting shaft tube, a floating mechanism is provided at the middle part of the mounting shaft tube, and a mounting joint is provided at the upper end of the floating mechanism.
[0008] Preferably, the elastic mechanism includes an elastic block, a movable groove is opened inside the mounting shaft tube, the elastic block is movably connected to the mounting shaft tube through the movable groove, the upper end of the elastic block is fixedly connected to a first spring, and the first spring is fixedly connected to the inner wall on the upper side of the movable groove.
[0009] Preferably, the lower end of the elastic block is fixedly connected to a knife shaft, and the upper part of the knife shaft is located inside the movable groove, and the lower end of the knife shaft is fixedly mounted with a knife head.
[0010] Preferably, the second mounting ring has the same diameter as the first mounting ring, the plurality of fixed tooth blocks are arranged in a ring array, the outer surface of the elastic block is provided with a plurality of grooves, and the grooves of the elastic block are adapted to the movable groove, and the lower end of the elastic block is clamped with the lower part of the movable groove.
[0011] Preferably, the floating mechanism includes a floating shaft tube, which is sleeved on the outside of the mounting shaft tube and is located between the second mounting ring and the first mounting ring. A through floating cavity is opened in the middle of the floating shaft tube, and a mounting joint is fixedly connected to the upper end of the floating shaft tube. A plurality of floating grooves are opened inside the floating shaft tube, and a plurality of floating grooves are movably connected inside with floating gear blocks, and the plurality of floating gear blocks and the opposite ends of the corresponding floating grooves are commonly fixedly connected with four second springs.
[0012] Preferably, the plurality of floating tooth blocks are arranged in a circular array, the plurality of floating tooth blocks are meshed with the plurality of fixed tooth blocks, the diameter of the floating cavity is smaller than the diameter of the second mounting ring, the width of the fixed tooth block is smaller than the width of the floating tooth block, a spacing is provided between the outer end of the fixed tooth block and the inner wall of the floating cavity, and a spacing is provided between the second mounting ring and the inner wall of the mounting joint.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. Through the elastic mechanism, when the cutter head is used to chamfer the workpiece, when the cutter head is pressed down for processing, the cutter head will use the elastic block and the first spring to prevent hard contact, fully protecting the cutter head and the workpiece, and greatly improving the quality of chamfering.
[0015] 2. Through the setting of the floating mechanism, a spacing is provided between the fixed tooth block and the inner wall of the floating shaft tube, and a spacing is provided between the second mounting ring and the inside of the mounting joint, so that the cutter head can float slightly in the horizontal direction, the floating tooth block is meshed with the fixed tooth block, and the floating tooth block utilizes the elastic force of the second spring to have a floating reset effect, so that the cutter head can process the workpiece and can adapt to the workpiece. When facing irregular burrs, the damage of the tool can be avoided by floating, and the accuracy of chamfering can be improved by the slight floating adaptation of the tool. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall structure of an elastic deburring and chamfering knife of the utility model;
[0017] Figure 2 This is a schematic diagram of the disassembled structure of an elastic deburring and chamfering cutter of the utility model;
[0018] Figure 3It is a schematic cross-sectional structure diagram of an elastic mechanism of an elastic deburring and chamfering cutter of the utility model;
[0019] Figure 4 The utility model is a schematic cross-sectional structure diagram of a floating mechanism of an elastic deburring and chamfering cutter.
[0020] In the figure: 1. Installing shaft tube; 2. Elastic mechanism; 3. First installing ring; 4. Floating mechanism; 5. Installing joint; 6. Fixed tooth block; 7. Second installing ring; 21. Knife shaft; 22. Knife head; 23. Elastic block; 24. Movable groove; 25. First spring; 41. Floating shaft tube; 42. Second spring; 43. Floating groove; 44. Floating tooth block; 45. Floating cavity. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0024] See also Figure 1-4 , the utility model provides a technical solution:
[0025] A flexible deburring and chamfering tool comprises a mounting shaft tube 1, the outer surface of which is fixedly connected with a first mounting ring 3 and a second mounting ring 7, the outer surface of which is fixedly connected with a plurality of fixed tooth blocks 6, the upper ends of the plurality of fixed tooth blocks 6 are all fixedly connected with the lower end of the second mounting ring 7, the lower ends of the plurality of fixed tooth blocks 6 are all fixedly connected with the upper end of the first mounting ring 3, an elastic mechanism 2 is arranged at the lower end of the mounting shaft tube 1, a floating mechanism 4 is arranged at the middle part of the mounting shaft tube 1, and a mounting joint 5 is arranged at the upper end of the floating mechanism 4.
[0026] In this embodiment, the elastic mechanism 2 includes an elastic block 23, a movable groove 24 is opened inside the mounting shaft tube 1, the elastic block 23 is movably connected to the mounting shaft tube 1 through the movable groove 24, the upper end of the elastic block 23 is fixedly connected to the first spring 25, the first spring 25 is fixedly connected to the inner wall of the upper side of the movable groove 24, the lower end of the elastic block 23 is fixedly connected to the knife shaft 21, and the upper part of the knife shaft 21 is located inside the movable groove 24, the lower end of the knife shaft 21 is fixedly installed with a knife head 22, the second mounting ring 7 has the same diameter as the first mounting ring 3, a plurality of fixed tooth blocks 6 are arranged in a ring array, the outer surface of the elastic block 23 is provided with a plurality of grooves, and the grooves of the elastic block 23 Adapting to the movable groove 24, the lower end of the elastic block 23 is snap-fitted with the lower part of the movable groove 24; through the set elastic mechanism 2, the elastic block 23 can move on the movable groove 24, and the elastic block 23 uses the first spring 25 to have a shock-absorbing effect. The elastic block 23 uses the tool shaft 21 to drive the work of the cutter head 22. The outer surface of the elastic block 23 is provided with a groove that can enable the vertical movement of the elastic block 23 and stably drive the rotation of the cutter head 22. When the cutter head 22 is used to chamfer the workpiece, when the cutter head 22 is pressed down for processing, the cutter head 22 will use the elastic block 23 and the first spring 25 to prevent hard contact, thereby fully protecting the cutter head 22 and the workpiece.
[0027] In this embodiment, the floating mechanism 4 includes a floating shaft tube 41, which is sleeved on the outside of the mounting shaft tube 1, and the floating shaft tube 41 is located between the second mounting ring 7 and the first mounting ring 3. A through floating cavity 45 is opened in the middle of the floating shaft tube 41, and the upper end of the floating shaft tube 41 is fixedly connected to the mounting joint 5. A plurality of floating grooves 43 are opened inside the floating shaft tube 41, and the interiors of the plurality of floating grooves 43 are all movably connected with floating tooth blocks 44. The plurality of floating tooth blocks 44 and the opposite ends of the corresponding floating grooves 43 are all fixedly connected with four second springs 42. The plurality of floating tooth blocks 44 are arranged in an annular array, and the plurality of floating tooth blocks 44 are meshed with the plurality of fixed tooth blocks 6. The diameter of the floating cavity 45 is smaller than the diameter of the second mounting ring 7, and the width of the fixed tooth block 6 is smaller than the width of the floating tooth block 44. A spring 42 is set between the outer end of the fixed tooth block 6 and the inner wall of the floating cavity 45. There is a spacing, and a spacing is set between the second mounting ring 7 and the inner wall of the mounting joint 5; through the floating mechanism 4, the engagement of multiple floating tooth blocks 44 with the fixed tooth block 6 can drive the rotation of the cutter head 22, and the floating tooth block 44 can move on the floating groove 43. Multiple floating tooth blocks 44 use the elastic force of the second spring 42 to make the cutter head 22 have a floating effect during processing. The floating shaft tube 41 is restricted by the second mounting ring 7 and the first mounting ring 3 and can float slightly. The fixed tooth block 6 and the inner wall of the floating shaft tube 41 are provided with a spacing, and the second mounting ring 7 and the inside of the mounting joint 5 are provided with a spacing, so that the cutter head 22 can float slightly in the horizontal direction. The floating tooth block 44 is engaged with the fixed tooth block 6, and the floating tooth block 44 uses the elastic force of the second spring 42 to have a floating reset effect, so that the cutter head 22 can process the workpiece and can adapt to the workpiece.
[0028] It should be noted that the utility model is an elastic deburring and chamfering tool. During use, the device can be installed on a specific processing machine using a mounting joint 5. Through the elastic mechanism 2, the elastic block 23 can move on the movable groove 24. The elastic block 23 uses the first spring 25 to have a shock-absorbing effect. The elastic block 23 uses the tool shaft 21 to drive the cutter head 22 to work. The outer surface of the elastic block 23 is provided with a groove that can enable the vertical movement of the elastic block 23 and stably drive the rotation of the cutter head 22. When the cutter head 22 is used to chamfer the workpiece, when the cutter head 22 is pressed down for processing, the cutter head 22 will use the elastic block 23 and the first spring 25 to prevent hard contact, thereby fully protecting the cutter head 22 and the workpiece. Through the floating mechanism 4, the engagement of multiple floating tooth blocks 44 with the fixed tooth block 6 can drive the rotation of the cutter head 22. The floating tooth block 44 can be in the floating groove 43 is movable, and multiple floating tooth blocks 44 use the elastic force of the second spring 42 to make the cutter head 22 have a floating effect during processing. The floating shaft tube 41 is restricted by the second mounting ring 7 and the first mounting ring 3 and can float slightly. A spacing is provided between the fixed tooth block 6 and the inner wall of the floating shaft tube 41, and a spacing is provided between the second mounting ring 7 and the interior of the mounting joint 5, so that the cutter head 22 can float slightly in the horizontal direction. The floating tooth block 44 is meshed with the fixed tooth block 6, and the floating tooth block 44 uses the elastic force of the second spring 42 to have a floating reset effect, so that the cutter head 22 can process the workpiece and can adapt to the workpiece. This device can avoid hard contact between the cutter head 22 and the processing surface when performing burr chamfering processing, and can make the cutter head 22 float during processing. It is not easy to damage the workpiece and the tool during the deburring and chamfering process, thereby improving the processing stability and reducing the processing error.
[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. An elastic deburring and chamfering tool, comprising a mounting shaft tube (1), characterized in that: The outer surface of the mounting shaft tube (1) is fixedly connected to a first mounting ring (3) and a second mounting ring (7); the outer surface of the mounting shaft tube (1) is fixedly connected to a plurality of fixed tooth blocks (6); the upper ends of the plurality of fixed tooth blocks (6) are fixedly connected to the lower ends of the second mounting ring (7); the lower ends of the plurality of fixed tooth blocks (6) are fixedly connected to the upper ends of the first mounting ring (3); the lower end of the mounting shaft tube (1) is provided with an elastic mechanism (2); the middle part of the mounting shaft tube (1) is provided with a floating mechanism (4); the upper end of the floating mechanism (4) is provided with a mounting joint (5); The elastic mechanism (2) comprises an elastic block (23), a movable groove (24) is formed inside the mounting shaft tube (1), the elastic block (23) is movably connected to the mounting shaft tube (1) via the movable groove (24), a first spring (25) is fixedly connected to the upper end of the elastic block (23), and the first spring (25) is fixedly connected to the inner wall of the upper side of the movable groove (24).
2. The elastic deburring and chamfering tool according to claim 1, characterized in that: The lower end of the elastic block (23) is fixedly connected to a knife shaft (21), and the upper part of the knife shaft (21) is located inside the movable groove (24). The lower end of the knife shaft (21) is fixedly mounted with a knife head (22).
3. The elastic deburring and chamfering tool according to claim 1, characterized in that: The second mounting ring (7) has the same diameter as the first mounting ring (3); the plurality of fixed tooth blocks (6) are arranged in a ring array; the outer surface of the elastic block (23) is provided with a plurality of grooves; the grooves of the elastic block (23) are adapted to the movable grooves (24); and the lower end of the elastic block (23) is engaged with the lower part of the movable groove (24).
4. The elastic deburring and chamfering tool according to claim 1, characterized in that: The floating mechanism (4) comprises a floating shaft tube (41), the floating shaft tube (41) being sleeved on the outside of the mounting shaft tube (1), and the floating shaft tube (41) being located between the second mounting ring (7) and the first mounting ring (3), a through floating cavity (45) being provided in the middle of the floating shaft tube (41), a mounting joint (5) being fixedly connected to the upper end of the floating shaft tube (41), a plurality of floating grooves (43) being provided inside the floating shaft tube (41), a plurality of floating grooves (43) being movably connected inside the plurality of floating tooth blocks (44), and four second springs (42) being fixedly connected to the opposite ends of the plurality of floating tooth blocks (44) and the corresponding floating grooves (43).
5. The elastic deburring and chamfering tool according to claim 4, characterized in that: The plurality of floating tooth blocks (44) are arranged in a ring array, the plurality of floating tooth blocks (44) are meshed with the plurality of fixed tooth blocks (6), the diameter of the floating cavity (45) is smaller than the diameter of the second mounting ring (7), the width of the fixed tooth block (6) is smaller than the width of the floating tooth block (44), a spacing is provided between the outer end of the fixed tooth block (6) and the inner wall of the floating cavity (45), and a spacing is provided between the second mounting ring (7) and the inner wall of the mounting joint (5).