Forming cutter
By designing the end edge and cutting tooth assembly of the forming tool, the problem of requiring two processes for machining cross-patterned surfaces on workpieces was solved, enabling simultaneous machining and simplifying the workpiece machining process.
Patent Information
- Application Number
- CN202520143215.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing technologies, workpiece processing requires two steps to create cross-patterns on a specific structural surface, resulting in a cumbersome process.
Design a forming cutter with multiple end edges on the cutter head. The back face of the end edges is provided with a set of cutting teeth. The cutting teeth are arranged at intervals along the extension direction of the end edges and are set at an angle, which can simultaneously process cross patterns on the surface of the workpiece.
This technology enables the simultaneous processing of cross-patterns on the workpiece surface, simplifying the workpiece processing process and improving processing efficiency.
Smart Images
Figure CN223946961U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of cutters for machining, particularly relates to a forming cutter. BACKGROUND
[0002] For the machining of part workpieces, in addition to cutting out specific structures on the workpieces, cross lines also need to be machined on the surfaces of the specific structures that are cut out to enhance the roughness of the surfaces of the workpieces.
[0003] In the related art, when a workpiece is machined, a specific structure is machined on the workpiece, and then cross lines are machined on the surface of the specific structure. Accordingly, when the workpiece is machined, at least two processes need to be performed, and the machining process of the workpiece is relatively complicated. SUMMARY
[0004] The utility model discloses a forming cutter, and the forming cutter of the embodiment can simultaneously machine cross lines on the surface of a workpiece when the workpiece is machined.
[0005] The forming cutter provided in the utility model embodiment comprises a handle and a cutter head. The cutter head is arranged at one end of the handle and comprises a plurality of end edges arranged at the end of the cutter head away from the handle. The plurality of end edges are distributed in a circumferential direction at intervals around the axis of the cutter head. A cutting tooth group is arranged on the relief surface of the end edge. The cutting tooth group comprises a plurality of cutting teeth arranged at intervals in the extension direction of the end edge.
[0006] The forming cutter provided in the utility model has at least the following beneficial effects. In the forming cutter, the end of the cutter head away from the handle is provided with an end edge, and the relief surface of the end edge is provided with a cutting tooth group. The cutting tooth group comprises a plurality of cutting teeth arranged at intervals in the extension direction of the end edge. Therefore, in the process of cutting machining of the forming cutter on the workpiece, the cutting teeth can grind the machined surface of the workpiece to machine cross lines on the machined surface of the workpiece. Thus, the forming cutter can simultaneously machine cross lines on the workpiece in the process of cutting machining of the workpiece.
[0007] The forming cutter provided in the utility model embodiment comprises a handle and a cutter head. The cutter head is arranged at one end of the handle and comprises a plurality of end edges arranged at the end of the cutter head away from the handle. The plurality of end edges are distributed in a circumferential direction at intervals around the axis of the cutter head. A cutting tooth group is arranged on the relief surface of the end edge. The cutting tooth group comprises a plurality of cutting teeth arranged at intervals in the extension direction of the end edge.
[0008] The forming cutter provided in the utility model embodiment comprises a handle and a cutter head. The cutter head is arranged at one end of the handle and comprises a plurality of end edges arranged at the end of the cutter head away from the handle. The plurality of end edges are distributed in a circumferential direction at intervals around the axis of the cutter head. A cutting tooth group is arranged on the relief surface of the end edge. The cutting tooth group comprises a plurality of cutting teeth arranged at intervals in the extension direction of the end edge.
[0009] According to the embodiment of the utility model, between any two adjacent cutting teeth, the first tooth side of one cutting tooth and the second tooth side of another cutting tooth are smoothly connected by an arc surface, and the curvature radius R of the arc surface satisfies: R < 0.1 mm.
[0010] According to the embodiment of the utility model, among the same cutting teeth, the first tooth side and the second tooth side are separated by a first included angle, and the angle a of the first included angle satisfies: 33 ° ≤ a ≤ 37 °.
[0011] According to the embodiment of the utility model, the end edge has an end edge rake angle and an end edge relief angle, the angle b1 of the end edge rake angle satisfies: b1 = 0 °, and the angle b2 of the end edge relief angle satisfies: 23 ° ≤ b2 ≤ 27 °.
[0012] According to the embodiment of the utility model, the tool head is provided with two end edges, and the end of the tool head away from the tool handle is further provided with a connecting surface, the two end edges are connected with the connecting surface respectively, and the connecting surface is arranged perpendicularly to the axis of the tool head.
[0013] According to the embodiment of the utility model, the connecting surface and the end edge are separated by a second included angle, and the angle c of the second included angle satisfies: 86.8 ° ≤ c ≤ 87.2 °.
[0014] According to the embodiment of the utility model, the circumferential side of the tool head is provided with two circumferential edges, the circumferential edges are arranged corresponding to the end edges, and the two circumferential edges form a chip groove therebetween, and the distance l between the chip groove and the axis of the tool head satisfies: 0.32 mm ≤ l ≤ 0.38 mm.
[0015] According to the embodiment of the utility model, the circumferential edge has a circumferential edge rake angle, a circumferential edge first relief angle and a circumferential edge second relief angle, the angle d1 of the circumferential edge rake angle satisfies: d1 = 0 °, the angle d2 of the circumferential edge first relief angle satisfies: 7 ° ≤ d2 ≤ 9 °, and the angle d3 of the circumferential edge second relief angle satisfies: 23 ° ≤ d3 ≤ 27 °.
[0016] The additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model will be further explained below in combination with the drawings and embodiments;
[0018] Figure 1 It is the structure schematic drawing of the forming tool of an embodiment of the utility model;
[0019] Figure 2 It is Figure 1 The structure schematic drawing of the tool head of the forming tool shown;
[0020] Figure 3 for Figure 2 a partial enlarged view of the structure at A of the tool head shown in FIG. 1;
[0021] Figure 4 for Figure 1 a structural schematic view of the forming tool shown in FIG. 2 from another perspective;
[0022] Figure 5 a structural schematic view of an end blade of an embodiment of the present application;
[0023] Figure 6 a structural schematic view of a peripheral blade of an embodiment of the present application.
[0024] Reference signs:
[0025] tool shank 100;
[0026] tool head 200; arc surface 201; end blade 210; cutting tooth 220; first tooth flank 221; tooth crest 222; second tooth flank 223; connecting surface 230; peripheral blade 240; chip flute 250. DETAILED DESCRIPTION
[0027] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.
[0028] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.
[0029] In the description of the present application, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If there is a description of first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.
[0030] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood in a broad sense, and the skilled in the art can determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.
[0031] Reference is made below Figures 1 to 6 The forming tool of the application is described in detail.
[0032] Reference is made below Figure 1 , Figure 2 and Figure 4 According to the forming tool of the utility model embodiment, the forming tool comprises a handle 100 and a tool head 200; the tool head 200 is arranged at one end of the handle 100 and comprises a plurality of end edges 210 arranged at the end of the tool head 200 away from the handle 100; the plurality of end edges 210 are distributed in a circumferential direction around the axis of the tool head 200; a cutting tooth group is arranged on the relief surface of the end edge 210; the cutting tooth group comprises a plurality of cutting teeth 220 arranged in a spaced manner along the extension direction of the end edge 210.
[0033] It can be understood that, in the process of cutting the workpiece by the forming tool of the application, the end edge 210 cuts the workpiece to process a specific structure; and in the process of cutting the workpiece by the forming tool, the relief surface of the end edge 210 contacts the surface of the specific structure; since the cutting tooth 220 is arranged on the relief surface, the cutting tooth 220 can process a cross pattern on the surface of the specific structure on the workpiece to increase the roughness of the surface of the specific structure on the workpiece; thus, when the forming tool of the utility model cuts the workpiece, the end edge 210 on the forming tool can cut the workpiece to process a specific structure on the workpiece, and the cutting tooth 220 on the relief surface of the end edge 210 can simultaneously process a cross pattern on the surface of the specific structure; further, when the forming tool of the utility model cuts a specific structure on the workpiece, a cross pattern can be simultaneously processed on the specific structure.
[0034] In some embodiments of the utility model, reference is made to Figure 2 and Figure 4 The cutting tooth 220 is an inclined tooth arranged in a direction away from the axis of the tool head 200.
[0035] It can be understood that, since the cutting tooth 220 is an inclined tooth arranged in a direction away from the axis of the tool head 200, after the forming tool of the utility model processes the workpiece, a cross pattern can be formed on the processed surface of the workpiece and spread to the edge of the processed surface.
[0036] In some embodiments of the utility model, reference is made to Figure 3 The cutting tooth 220 comprises a first tooth flank 221, a tooth crest 222 and a second tooth flank 223 which are smoothly connected in sequence, and each tooth crest 222 on the same end edge 210 is arranged in a coplanar manner.
[0037] It can be understood that, due to the coplanar arrangement of the respective tooth top surfaces 222 on the same end blade 210, the respective cutting teeth 220 on the same end blade 210 can cooperate to process cross lines on the same machining surface.
[0038] In further embodiments of the present application, with reference to Figure 3 , between any two adjacent cutting teeth 220, the first tooth side surface 221 of one of the cutting teeth 220 and the second tooth side surface 223 of the other cutting tooth 220 are smoothly connected by the arc surface 201, and the curvature radius R of the arc surface 201 satisfies: R < 0.1mm.
[0039] 0.1mm.
[0040] It can be understood that, due to the coplanar arrangement of the respective tooth top surfaces 222 on the same end blade 210, the respective cutting teeth 220 on the same end blade 210 can cooperate to process cross lines on the same machining surface.
[0041] In some embodiments of the present application, with reference to Figure 3 , among the same cutting teeth 220, the first tooth side surface 221 and the second tooth side surface 223 are separated by a first included angle, and the angle a of the first included angle satisfies: 33°
[0042] ≤a≤37°.
[0043] Specifically, the angle of the first included angle is 35°.
[0044] In some embodiments of the present application, with reference to Figure 3 , among the same cutting tooth groups, the distance x1 between any two adjacent cutting teeth 220 satisfies: 0.31mm≤x1≤0.39mm; specifically, among the same cutting tooth groups, the distance between any two adjacent cutting teeth 220 is 0.35mm.
[0045] In some embodiments of the present application, with reference to Figure 3 , among the same cutting teeth 220, the width x2 of the tooth top surface 222 of the cutting tooth 220 satisfies: 0.03mm≤x2≤0.04mm.
[0046] In some embodiments of the present application, with reference to Figure 3 , the tooth height x3 of the cutting tooth 220 satisfies: 0.20mm≤x3≤0.25mm.
[0047] In some embodiments of the present application, with reference to Figure 5The end edge 210 has an end edge rake angle and an end edge relief angle, an angle b1 of the end edge rake angle satisfies: b1=0°, and an angle b2 of the end edge relief angle satisfies: 23°≤b2≤27°.
[0048] It can be understood that, specifically, the end edge relief angle is 25°.
[0049] In some embodiments of the utility model, reference Figure 2 And Figure 4 The tool bit 200 is provided with two end edges 210, and the end of the tool bit 200 away from the tool handle 100 is also provided with a connecting surface 230, the two end edges 210 are connected with the connecting surface 230 respectively, and the connecting surface 230 is arranged perpendicularly to the axis of the tool bit 200.
[0050] It can be understood that, by arranging the connecting surface 230 between the two end edges 210 and arranging the connecting surface 230 perpendicularly to the axis of the tool bit 200, the connecting surface 230 can be attached to the surface of the workpiece to reduce the runout of the end edge 210 in the cutting process during the process of the forming tool of the utility model to the workpiece.
[0051] In some embodiments of the utility model, reference Figure 2 The second included angle is arranged between the connecting surface 230 and the end edge 210, and an angle c of the second included angle satisfies: 86.8°≤c≤87.2°.
[0052] It can be understood that, since the second included angle is arranged between the connecting surface 230 and the end edge 210, the forming tool of the utility model has better centering effect during the process of machining the workpiece.
[0053] Specifically, the second included angle arranged between the connecting surface 230 and the end edge 210 is 87°.
[0054] In some embodiments of the utility model, reference Figure 2 And Figure 4 The tool bit 200 is provided with two circumferential edges 240, the circumferential edges 240 are arranged corresponding to the end edges 210, and a chip removal groove 250 is formed between the two circumferential edges 240, and the distance l between the chip removal groove 250 and the axis of the tool bit 200 satisfies: 0.32mm≤l≤0.38mm.
[0055] It can be understood that, during the process of the forming tool of the utility model to cut the workpiece, the waste chip generated by the end edge 210 and the circumferential edge 240 to cut the workpiece can be discharged through the chip removal groove 250.
[0056] It can be understood that, specifically, the distance between the chip removal groove 250 and the axis of the tool bit 200 is 0.35mm.
[0057] In some embodiments of the utility model, referenceFigure 6 The peripheral edge 240 has a peripheral edge rake angle, a peripheral edge first relief angle and a peripheral edge second relief angle, an angle d1 of the peripheral edge rake angle satisfies: d1=0°, an angle d2 of the peripheral edge first relief angle satisfies: 7°≤d2≤9°, and an angle d3 of the peripheral edge second relief angle satisfies: 23°≤d3≤27°.
[0058] Specifically, the angle of the peripheral edge first relief angle is 8°, and the angle of the peripheral edge second relief angle is 25°.
[0059] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.
Claims
1. A forming knife characterized in that, The utility model relates to a cutting tool, comprising: a shank; a head provided at one end of the shank and comprising a plurality of end edges provided at an end of the head away from the shank, the plurality of end edges being circumferentially spaced around an axis of the head, a relief surface of the end edge being provided with a cutting tooth group, the cutting tooth group comprising a plurality of cutting teeth arranged in a spaced manner along an extension direction of the end edge.
2. A forming tool as claimed in claim 1, characterised in that The cutting tooth is an inclined tooth provided in a direction away from the axis of the head.
3. A forming tool as claimed in claim 2, wherein The cutting tooth comprises a first tooth flank, a tooth crest and a second tooth flank which are smoothly connected in sequence, and each tooth crest on the same end edge is coplanarly arranged.
4. A forming tool as claimed in claim 3, wherein Between any two adjacent cutting teeth, the first tooth flank of one of the cutting teeth and the second tooth flank of the other cutting tooth are smoothly connected by a circular arc surface, and the radius of curvature R of the circular arc surface satisfies: R < 0.1mm. In the same cutting tooth, the first tooth flank and the second tooth flank are spaced apart by a first included angle, and the angle a of the first included angle satisfies: 33°≤a≤37°.
5. A forming tool as claimed in claim 3, wherein The end edge has an end edge rake angle and an end edge relief angle, the angle b1 of the end edge rake angle satisfies: b1=0°, and the angle b2 of the end edge relief angle satisfies: 23°≤b2≤27°.
6. A forming tool as claimed in claim 1, wherein The head is provided with two end edges, and the end of the head away from the shank is further provided with a connecting surface, the two end edges are connected with the connecting surface respectively, and the connecting surface is arranged perpendicularly to the axis of the head.
7. A forming tool as claimed in claim 1, wherein The connecting surface and the end edge are spaced apart by a second included angle, and the angle c of the second included angle satisfies: 86.8°≤c≤87.2°.
8. A forming tool according to claim 7, wherein The head is provided with two peripheral edges on the peripheral side, the peripheral edges are arranged corresponding to the end edges, a chip groove is formed between the two peripheral edges, and the distance l between the chip groove and the axis of the head satisfies: 0.32mm≤l≤0.38mm.
9. A forming tool as claimed in claim 7, wherein The peripheral edge has a peripheral edge rake angle, a first peripheral edge relief angle and a second peripheral edge relief angle, the angle d1 of the peripheral edge rake angle satisfies: d1=0°, the angle d2 of the first peripheral edge relief angle satisfies: 7°≤d2≤9°, and the angle d3 of the second peripheral edge relief angle satisfies: 23°≤d2≤27°.
10. A forming tool as claimed in claim 9, wherein