Reverse end face groove machining tool and machine tool
By designing cutting tools and machine tools suitable for reverse end face grooves, the problem of lack of standard cutting tools in reverse end face groove machining was solved, achieving efficient and stable machining results and improving the service life of the cutting tools.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-03-24
AI Technical Summary
The lack of standard cutting tools in the current technology for machining reverse end face grooves leads to problems such as unstable machining dimensions, insufficient accuracy, and severe vibration.
Design a reverse end face groove machining tool, including a detachably connected tool holder and a cutting insert. The cutting insert has first and second cutting sections that are vertically connected. The end of the first cutting section is an arc-shaped surface with the same curvature as the bottom of the reverse end face groove, and is used in conjunction with a machining machine tool.
It achieves efficient one-time forming of reverse end face grooves, improving processing quality and precision, and extending the service life of the cutting tools.
Smart Images
Figure CN224026622U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lathe processing technical field especially relates to a reverse end face groove processing tool and processing lathe. BACKGROUND
[0002] Non-standard tool is a kind of special tool category, can satisfy the surface geometry of workpiece Very complex or the machining surface has higher roughness requirement etc. The machining requirement of situation, in order to reach the prerequisite of part drawing requirement, improve processing efficiency, one forming, and the forming tool of non-standard is the only choice at this time.
[0003] Reverse end face groove is a kind of common mechanical structure design, mainly used for guiding, positioning or transmitting load, especially in the scene needing bidirectional constraint or special motion track is applied more, its cross section is similar to the right angle polygonal line shape of figure "7", it is usually composed of vertical section and horizontal section (or mirror image symmetry "Z" shape), form the concave or convex groove. In the prior art, reverse end face groove is processed, and there is no standard tool, so hand tool cannot reach the size standard, thereby leading to the difficulty in processing reverse end face groove, causing the unstable processing size of product, the size precision cannot meet the requirements and the serious product vibration knife and other unqualified phenomena. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of reverse end face groove processing tool and processing lathe, to solve the problem in prior art that there is no standard tool when reverse end face groove is processed, hand tool cannot reach the size standard, causing the unstable processing size of product, the size precision cannot meet the requirements and the serious product vibration knife and other problems.
[0005] To achieve this purpose, the utility model adopts the following technical solutions:
[0006] On the one hand, a kind of reverse end face groove processing tool is provided, comprising:
[0007] Tool bar;
[0008] Tool bit, the tool bit is detachably connected to the tool bar, the tool bit includes first cutting part and second cutting part, the first cutting part is connected with the second cutting part vertically, the first cutting part end is set as arc surface, the arc of the arc surface is same with the groove bottom arc of reverse end face groove.
[0009] As an optional technical solution of reverse end face groove processing tool, the first cutting part and the second cutting part are integrally formed.
[0010] As an optional technical solution of reverse end face groove processing tool, the curvature radius of the arc surface is 1mm.
[0011] As an optional technical scheme of the reverse end face groove machining tool, the end of the first cutting part is further provided with a transition surface, which is inwardly inclined and connected with the arc surface.
[0012] As an optional technical scheme of the reverse end face groove machining tool, the inclination angle of the transition surface is the same as the inclination angle of the groove bottom of the reverse end face groove.
[0013] As an optional technical scheme of the reverse end face groove machining tool, the inclination angle of the transition surface is 20°.
[0014] As an optional technical scheme of the reverse end face groove machining tool, the tool bar comprises a first connecting part and a second connecting part, the inner diameter of the first connecting part is smaller than that of the second connecting part, and the blade is detachably connected to the first connecting part.
[0015] As an optional technical scheme of the reverse end face groove machining tool, the end of the first connecting part is provided with a notch, the inner walls on both sides of the notch are provided with clamping blocks, the width of the second cutting part is the same as that of the notch, the side wall of the second cutting part is provided with a clamping groove, and the clamping blocks and the clamping groove are in interference fit.
[0016] As an optional technical scheme of the reverse end face groove machining tool, the end of the notch is provided as an inwardly inclined cutting surface.
[0017] In another aspect, a machining tool is also provided, comprising the above reverse end face groove machining tool.
[0018] The utility model has the advantages of:
[0019] The application discloses a reverse end face groove machining tool and a machining tool. The reverse end face groove machining tool comprises a tool bar and a blade. The blade is detachably connected to the tool bar. The blade comprises a first cutting part and a second cutting part. The first cutting part is perpendicularly connected to the second cutting part. The end of the first cutting part is provided as an arc surface. The curvature of the arc surface is the same as the curvature of the groove bottom of the reverse end face groove. The first cutting part and the second cutting part are perpendicularly arranged. The end of the first cutting part is provided as an arc surface. The shape and parameters of the blade and the reverse end face groove are consistent. The reverse end face groove can be formed in one step. The machining efficiency and machining quality of the reverse end face groove are improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the description of the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to the contents of the embodiments of the present application and the drawings by those skilled in the art without any creative effort.
[0021] Figure 1 Figure is a use schematic diagram of the reverse end face groove machining tool provided by the embodiments of the present application.
[0022] In the drawings:
[0023] 10, tool bar; 11, first connecting part; 12, second connecting part; 20, blade; 21, first cutting part; 22, second cutting part; 221, clamping groove. DETAILED DESCRIPTION
[0024] Before any embodiments of the present application are explained in detail, it is to be understood that the application is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the above-described drawings.
[0025] In the present application, the terms "comprising", "containing", "having" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.
[0026] In the present application, the term "and / or" is a description of the association relationship between the associated objects, which means that there can be three kinds of relationships. For example, A and / or B can represent the following three cases: A exists alone, A and B exist together, and B exists alone. In addition, the character " / " in the present application generally represents a "and / or" relationship between the front and rear associated objects.
[0027] In the present application, the terms "connection", "combination", "coupling", "mounting" can be direct connection, combination, coupling or mounting, or indirect connection, combination, coupling or mounting. Among them, the direct connection means that two parts or components are connected together without setting an intermediate part, and the indirect connection means that two parts or components are connected with at least one intermediate part, and the two parts or components are connected through the intermediate part. In addition, "connection" and "coupling" are not limited to physical or mechanical connection or coupling, and can include electrical connection or coupling.
[0028] In this application, those of ordinary skill in the art will understand that the relative terms used in connection with a quantity or a condition (for example, "about", "approximately", "substantially" and the like) include the stated value and have the meaning indicated by the context. For example, the relative terms include at least the degree of error associated with a measurement of a particular value, the tolerance caused by manufacturing, assembly, use, etc. associated with a particular value. Such terms should also be considered to disclose a range defined by the absolute values of the two endpoints. The relative terms can refer to a certain percentage (for example, 1%, 5%, 10% or more) of the indicated value plus or minus. The numerical values not using the relative terms should also be disclosed as the specific values with tolerances. In addition, "substantially" when expressing the relative angular positional relationship (for example, substantially parallel, substantially perpendicular), can refer to a certain number of degrees (for example, 1 degree, 5 degrees, 10 degrees or more) plus or minus on the basis of the indicated angle.
[0029] In this application, those of ordinary skill in the art will understand that the functions performed by the components can be performed by one component, multiple components, one part, or multiple parts. Similarly, the functions performed by the parts can also be performed by one part, one component, or multiple parts in combination.
[0030] In this application, the terms "upper", "lower", "left", "right", "front", "back" and the like are described in the orientation and positional relationship shown in the drawings, and should not be understood as limiting the embodiments of the application. In addition, it is also understood in the context that when referring to one element connected to another element "on" or "under", it can not only be directly connected to another element "on" or "under", but also indirectly connected to another element "on" or "under" through an intermediate element. It should also be understood that the terms "upper", "lower", "left", "right", "front", "back" and the like not only represent the positive direction, but also can be understood as the side direction. For example, the lower side can include the directly below, left below, right below, front below and back below, etc.
[0031] The reverse end face groove is a common mechanical structure design, mainly used for guiding, positioning or transmitting load, especially in the scene requiring bidirectional constraint or special motion trajectory, its cross section is a right angle polygonal line similar to the number "7", usually composed of vertical segment and horizontal segment (or mirror image "Z" shape), forming a concave or convex groove. In the prior art, the reverse end face groove is difficult to process because there is no standard tool and the hand tool cannot meet the size standard, resulting in unstable processing size of the product, size precision not meeting the requirements and serious product vibration, etc. unqualified phenomenon.
[0032] To solve the above problems, the embodiment provides a machining tool, which comprises a reverse end face groove machining tool. Specifically, referring to Figure 1The reverse end face groove machining tool comprises a tool bar 10 and a tool piece 20, the tool piece 20 is detachably connected to the tool bar 10, the tool piece 20 comprises a first cutting part 21 and a second cutting part 22, the first cutting part 21 is perpendicularly connected to the second cutting part 22, an end of the first cutting part 21 is provided as an arc surface, and the curvature radius of the arc surface is the same as the curvature radius of the groove bottom of the reverse end face groove. Specifically, the curvature radius of the arc surface is 1mm. By setting the first cutting part 21 and the second cutting part 22 perpendicular to each other and setting the end of the first cutting part 21 as an arc surface, the shape and parameters of the tool piece 20 and the reverse end face groove are matched, the reverse end face groove can be formed at one time, and the machining efficiency and quality of the reverse end face groove are improved.
[0033] Further, the first cutting part 21 and the second cutting part 22 are integrally formed. In other embodiments, the first cutting part 21 and the second cutting part 22 can also be separately made and then glued or welded. It should be noted that the cutting tool is a very mature technology in the prior art, and the material and specific manufacturing details of the tool are not listed here.
[0034] Further, the end of the first cutting part 21 is further provided with a transition surface, the transition surface is inwardly inclined and connected to the arc surface. Specifically, the inclination angle of the transition surface is the same as the inclination angle of the groove bottom of the reverse end face groove. In the embodiment, the inclination angle of the transition surface is 20°. Setting the transition surface to match the inclination angle of the groove bottom of the reverse end face groove not only enables the reverse end face groove to be formed at one time, but also optimizes the cutting direction, avoids the vertical impact of the tool piece 20 on the workpiece to be machined, and improves the service life of the tool piece 20.
[0035] It should be noted that the specific length of the first cutting part 21 and the second cutting part 22 is not limited here, and those skilled in the art can set it according to actual needs.
[0036] Further, the tool bar 10 comprises a first connecting part 11 and a second connecting part 12, the inner diameter of the first connecting part 11 is smaller than the inner diameter of the second connecting part 12, and the tool piece 20 is detachably connected to the first connecting part 11. The inner diameter of the first connecting part 11 is smaller, which facilitates the tool piece 20 to be inserted into the inside of the workpiece to be machined, avoiding interference and influence on the workpiece to be machined.
[0037] In the embodiment, the first connecting part 11 is provided with a notch at the end, the inner walls on both sides of the notch are provided with clamping blocks, the width of the second cutting part 22 is the same as that of the notch, the side wall of the second cutting part 22 is provided with a clamping groove 221, and the clamping blocks and the clamping groove 221 are in interference fit. Specifically, the clamping groove 221 extends along the direction in which the second cutting part 22 extends and is located in the middle of the second cutting part 22, so that the stress between the second cutting part 22 and the first connecting part 11 is uniform, and the second cutting part 22 is prevented from being broken. In other embodiments, a threaded hole can be arranged on the first connecting part 11, the second cutting part 22 is inserted into the first connecting part 11, a screw is screwed into the threaded hole and abuts against the second cutting part 22, so as to fix the blade 20.
[0038] Further, the end of the notch is provided with an inwardly inclined chamfer. The joint of the first connecting part 11 and the second cutting part 22 is provided with the chamfer, so that the first connecting part 11 and the second cutting part 22 are prevented from being vertically impacted to break the second cutting part 22.
[0039] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, all the embodiments need not and cannot be exhausted. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A reverse end face groove machining tool, characterized in that, include: Tool holder (10); The blade (20) is detachably connected to the blade bar (10). The blade (20) includes a first cutting part (21) and a second cutting part (22). The first cutting part (21) and the second cutting part (22) are vertically connected. The end of the first cutting part (21) is set as an arc surface. The arc of the arc surface is the same as the arc of the bottom of the groove on the reverse end face.
2. The reverse end face groove machining tool according to claim 1, characterized in that, The first cutting part (21) and the second cutting part (22) are integrally formed.
3. The reverse end face groove machining tool according to claim 1, characterized in that, The radius of curvature of the arc-shaped surface is 1 mm.
4. The reverse end face groove machining tool according to claim 1, characterized in that, The first cutting part (21) is also provided with a transition surface at its end, which is inclined inward and connected to the arc-shaped surface.
5. The reverse end face groove machining tool according to claim 4, characterized in that, The inclination angle of the transition surface is the same as the inclination angle of the bottom of the reverse end face groove.
6. The reverse end face groove machining tool according to claim 5, characterized in that, The inclination angle of the transition surface is 20°.
7. The reverse end face groove machining tool according to any one of claims 1-6, characterized in that, The blade (10) includes a first connecting part (11) and a second connecting part (12). The end of the first connecting part (11) is provided with a notch. The inner diameter of the first connecting part (11) is smaller than the inner diameter of the second connecting part (12). The blade (20) is detachably connected to the first connecting part (11).
8. The reverse end face groove machining tool according to claim 7, characterized in that, The first connecting part (11) has a notch at its end, and the inner walls on both sides of the notch are provided with snap-fit blocks. The width of the second cutting part (22) is the same as the width of the notch. The side wall of the second cutting part (22) is provided with a snap-fit groove (221). The snap-fit block and the snap-fit groove (221) are interference-fitted.
9. The reverse end face groove machining tool according to claim 7, characterized in that, The end of the notch is configured as an inwardly inclined cut surface.
10. A processing machine tool, characterized in that, Including the reverse end face groove machining tool as described in any one of claims 1-9.