Special cutter for parts

Abstract

The utility model discloses a special cutter for parts. The special cutter comprises a power cutter bar, a functional cutter bar and a cutter head, the functional cutter bar is of a U-shaped structure and is connected with the power cutter bar through a combined adjusting structure; the tool bit is installed on the power tool bar or the functional tool bar through a combined adjusting structure. Through the design of the functional cutter bar of the U-shaped structure, a plurality of cutting points can be formed, the cutter can flexibly adjust the cutting points and the rotating axis, chamfering machining of the inner wall, the end face and the complex edge of a part is achieved, and the machining requirements of parts with different diameters or shapes are particularly met; through the combined design of a sliding groove and a tightening structure, the stress strength and position distribution of the tool can be adjusted in the machining process, the adjustable and combinable performance of the whole tool is improved, and the tool bit is flexibly installed and replaced to meet the part machining requirements of different scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing tool technical field especially relates to a part special tool. BACKGROUND

[0002] In the traditional part processing process, especially the inner and outer wall chamfer processing of cylindrical part, the design of tool usually needs to be customized according to different processing requirements, and the existing part special tool mostly adopts single function structure, cannot realize multifunctional cutting operation, especially in the processing of complex parts, there are problems such as frequent tool replacement and inconvenient operation. The traditional tool structure is also difficult to meet the cutting demand of multiple angles and multiple positions, and has poor adaptability to parts of different diameters or shapes, resulting in low processing efficiency and high cost, in addition, chamfer processing is an important finishing process in part processing process, and the traditional chamfer processing tool usually has single structure and is only suitable for standard chamfer size or shape of specific parts, but in actual processing, the chamfer requirements of different parts are different, such as inner wall chamfer, end face chamfer or chamfer of different angles and radii, and the tool needs to be frequently replaced to meet the processing demand.

[0003] Therefore, the existing tool has limitations in flexibility, stability and adaptability, and cannot be well used for non-standard size parts, how to design a multifunctional part special tool that can flexibly adjust the chamfer position and diameter according to different processing requirements and can be used by adjusting only manual mode is a problem to be solved. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the defects in prior art and provides a part special tool.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A part special tool, comprising a power cutter bar, a function cutter bar and a cutter head.

[0007] The function cutter bar is in the shape of "U", and the function cutter bar is connected with the power cutter bar through a combination adjustment structure.

[0008] The cutter head is installed on the power cutter bar or the function cutter bar through the combination adjustment structure.

[0009] Further, the function cutter bar is in a group of two, and is distributed in parallel or symmetrically, and the outer wall of the function cutter bar is provided with a clamping strip matched with the combination adjustment structure.

[0010] Further, the opposite side of the two functional cutter bars is provided with sliding grooves, the sliding grooves are I-shaped grooves, and a plurality of tightening structures are arranged between the two sliding grooves.

[0011] Further, the tightening structure comprises a reinforcing adjusting sleeve, threaded connections of the reinforcing adjusting sleeve at two ends are provided with matching rods connected with the functional cutter bar, and threaded locking rings are arranged at the two ends of the reinforcing adjusting sleeve and are threaded connected with the matching rods.

[0012] Further, the combined adjusting structure comprises a fixed plate, a connecting groove is arranged on one side of the fixed plate, and symmetrical semicircle combination plates are arranged on the side of the fixed plate away from the connecting groove, and a combination strip and a combination groove matched with each other are arranged on the semicircle combination plate and the fixed plate respectively.

[0013] Further, a plurality of adjusting bolts are arranged in the fixed plate and are threaded connected with the fixed plate, and gap adjusting sleeves are arranged on the adjusting bolts.

[0014] Further, an auxiliary groove with the same radius as the connecting groove is arranged at the middle position of the semicircle combination plate, a thread matched with the cutter head is arranged on the inner wall of the auxiliary groove, and a locking pin is arranged at the middle position of the auxiliary groove.

[0015] Further, a positioning spring rod matched with the auxiliary groove is arranged between the two opposite power cutter bars.

[0016] Compared with the prior art, the beneficial effects of the utility model lie in:

[0017] Through the design of the functional cutter bar in the "U" shape structure, a plurality of cutting points can be formed, the cutter can flexibly adjust the cutting point and the rotation axis, the chamfering of the inner wall, the end face and the complex edge of the part can be realized, and it is especially suitable for the machining requirements of parts with different diameters or shapes;

[0018] The combination design of the functional cutter bar and the tightening structure can adjust the stress intensity and position distribution of the cutter during the machining process, at the same time, the cutter head and the functional cutter bar are connected through the combined adjusting structure, high-precision matching can be realized within a certain diameter range, the dependence of the traditional cutter on the specific size of the part is avoided, and the adjustable and combinable performance of the whole cutter is increased, the cutter head can be flexibly installed and replaced to adapt to the part machining requirements of different scenes. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, together with the embodiments of the utility model, are used to explain the utility model, and do not constitute a limitation on the utility model.

[0020] Figure 1The whole structure schematic view of the special cutter for parts is provided in the utility model;

[0021] Figure 2 The whole structure schematic view of the special cutter for parts is provided in the utility model;

[0022] Figure 3 The combination schematic view of the functional cutter bar of the special cutter for parts is provided in the utility model;

[0023] Figure 4 The combination schematic view of the functional cutter bar of the special cutter for parts is provided in the utility model;

[0024] Figure 5 The structure schematic view of the clamping structure of the special cutter for parts is provided in the utility model;

[0025] Figure 6 The structure schematic view of the combination adjusting structure of the special cutter for parts is provided in the utility model;

[0026] Figure 7 The structure schematic view of the fixed plate of the special cutter for parts is provided in the utility model.

[0027] In the figure: 1, power cutter bar; 2, functional cutter bar; 3, cutter head; 4, clamping strip; 5, sliding groove; 6, clamping structure; 7, reinforcing adjusting sleeve; 8, combination adjusting structure; 9, matching rod; 10, threaded locking ring; 11, fixed plate; 12, connecting groove; 13, semicircular combination plate; 14, combination strip; 15, combination groove; 16, adjusting bolt; 17, gap adjusting sleeve; 18, auxiliary groove; 19, locking pin; 20, alignment spring rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0029] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0030] Referring to Figures 1-7 , the special cutter for parts comprises a power cutter bar 1, a functional cutter bar 2 and a cutter head 3;

[0031] The functional cutter bar 2 is in a "U" shape structure, and is connected with the power cutter bar 1 through the combined adjusting structure 8;

[0032] The cutter head 3 is installed on the power cutter bar 1 or the functional cutter bar 2 through the combined adjusting structure 8.

[0033] Referring to Figures 1-7 In an embodiment of the present application, the functional cutter bar 2 is in two groups, and is distributed in parallel or symmetrically, and the outer wall of the functional cutter bar 2 is provided with a clamping strip 4 matched with the combined adjusting structure 8. As can be seen from the above design, the functional cutter bar 2 is connected with the combined adjusting structure through the clamping strip 4 to realize parallel distribution or symmetric distribution. When the functional cutter bar 2 is distributed in parallel, it can be combined to generate higher strength, and when the functional cutter bar 2 is distributed symmetrically, it can rotate around the power cutter bar 1 as an axis, and can generate circular tracks with different diameters according to the fixed position points of the functional cutter bar 2 and the power cutter bar 1.

[0034] Referring to Figures 1-7 In an embodiment of the present application, the opposite sides of the two functional cutter bars 2 are provided with sliding grooves 5, the sliding grooves 5 are I-shaped grooves, and a plurality of tightening structures 6 are arranged between the two sliding grooves 5.

[0035] The tightening structure 6 comprises a reinforcing adjusting sleeve 7, two ends of the reinforcing adjusting sleeve 7 are threadedly connected with matching rods 9 connected with the functional cutter bar 2, and the two ends of the reinforcing adjusting sleeve 7 are provided with threaded locking rings 10 threadedly connected with the matching rods 9. As can be seen from the above design, the matching rods 9 are connected with the functional cutter bar 2 through the sliding grooves 5 and move in the sliding grooves 5 to adjust the position of the reinforcing connection. After the matching rods 9 in the sliding grooves 5 at different positions are aligned on the axis, they are tightened or loosened by rotating the threaded locking rings 10 on both sides of the reinforcing adjusting sleeve 7, so as to adjust the tightness, and the stress intensity at different positions can be adjusted during part processing.

[0036] Referring to Figures 1-7 In an embodiment of the present application, the combined adjusting structure 8 comprises a fixed plate 11, one side of the fixed plate 11 is provided with a connecting groove 12, the side of the fixed plate 11 away from the connecting groove 12 is symmetrically provided with a semicircular combined plate 13, and the semicircular combined plate 13 and the fixed plate 11 are respectively provided with a combined strip 14 and a combined groove 15 matched with each other;

[0037] The interior of the fixed plate 11 is provided with several adjusting bolts 16 which are threadedly connected with the fixed plate 11, and the adjusting bolts 16 are provided with gap adjusting sleeves 17; the middle position of the semicircular combined plate 13 is provided with an auxiliary groove 18 with the same radius as the connecting groove 12, the inner wall of the auxiliary groove 18 is provided with threads matched with the tool bit 3, and the middle position of the auxiliary groove 18 is provided with locking pins 19; and the two opposite power cutter bars 1 are provided with alignment spring rods 20 matched with the auxiliary groove 18. As can be seen from the above design, the semicircular combined plate 13 is combined to form a circular structure with the same shape as the fixed plate 11, wherein the combined groove 15 and the combined strip 14 are mutually matched I-shaped structures, and the semicircular combined plate 13 can adjust the matching gap during the combination process, and can be adaptively adjusted when matched with the tool bit 3 structure or the power cutter bar 1 structure, so as to realize matching of components within a certain diameter range, rather than being fixed on a certain diameter size.

[0038] In addition, the functional cutter bar 2 is matched in size with the combined groove 15 through the clamping strip 4 on the top, and the tool bit 3 structure can be installed on the functional cutter bar 2 through the additional combined adjusting structure 8, at this time, because of the "U" shaped structure of the functional cutter bar 2, multiple cutting points can be formed, and similarly, the power cutter bar 1 can be distributed non-coaxially, that is, the rotation axis of the "U" shaped structure of the functional cutter bar 2 can be changed, so as to perform rotary cutting on one side of the part, and perform chamfering or cross section processing on the part, when acting on a part with small hardness, the non-coaxial distribution can make the two power cutter bars 1 and the functional cutter bar 2 form a rocker structure, and the operator can perform inner wall chamfering or end face processing of the part through a manual mode.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A special cutting tool for parts, characterized in that, It includes a power tool holder (1), a functional tool holder (2), and a tool head (3); The functional tool holder (2) has a "U" shaped structure and is connected to the power tool holder (1) through a combination adjustment structure (8); The cutter head (3) is mounted on the power cutter bar (1) or the functional cutter bar (2) via a combination adjustment structure (8).

2. The special cutting tool for parts according to claim 1, characterized in that, The functional cutter bars (2) are in groups of two and are arranged in parallel or symmetrically. The outer wall of the functional cutter bars (2) is provided with a retaining strip (4) that cooperates with the combined adjustment structure (8).

3. The special cutting tool for parts according to claim 2, characterized in that, Each of the two functional tool holders (2) has a sliding groove (5) on one side opposite to the other. The sliding groove (5) is an I-shaped groove, and a number of clamping structures (6) are provided between the two sliding grooves (5).

4. The special cutting tool for parts according to claim 3, characterized in that, The tightening structure (6) includes a reinforcing adjustment sleeve (7), and both ends of the reinforcing adjustment sleeve (7) are threadedly connected to a mating rod (9) connected to the functional knife bar (2). Both ends of the reinforcing adjustment sleeve (7) are provided with threaded locking rings (10) threadedly connected to the mating rod (9).

5. The special cutting tool for parts according to claim 4, characterized in that, The combined adjustment structure (8) includes a fixing plate (11), a connecting groove (12) is provided on one side of the fixing plate (11), and a semi-circular combination plate (13) is symmetrically provided on the side of the fixing plate (11) away from the connecting groove (12). The semi-circular combination plate (13) and the fixing plate (11) are respectively provided with a combination strip (14) and a combination groove (15) that cooperate with each other.

6. The special cutting tool for parts according to claim 5, characterized in that, The fixed plate (11) is provided with a number of adjusting bolts (16) inside. The adjusting bolts (16) are threadedly connected to the fixed plate (11). The adjusting bolts (16) are provided with gap adjusting sleeves (17).

7. The special cutting tool for parts according to claim 5, characterized in that, The semi-circular combination plate (13) has an auxiliary groove (18) with the same radius as the connecting groove (12) at the middle position. The inner wall of the auxiliary groove (18) is provided with a thread that matches the cutter head (3). A locking pin (19) is provided at the middle position of the auxiliary groove (18).

8. The special cutting tool for parts according to claim 7, characterized in that, A positioning spring rod (20) that cooperates with the auxiliary groove (18) is provided between the two opposing power tool holders (1).

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