High-performance integral hard alloy two-blade forming cutter
By designing a high-performance integral cemented carbide 2-flute forming tool, employing contouring design and a unique angle, the problem of difficulty in one-time forming and burr residue in high-precision plastic products in the 3C industry in existing technologies has been solved, achieving efficient processing and high-quality appearance.
Patent Information
- Application Number
- CN202423160718.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing cemented carbide forming tools are difficult to achieve one-time forming in the processing of high-precision plastic products in the 3C industry, and there are burr residue problems, which affect processing efficiency and appearance quality.
A high-performance integral carbide 2-flute forming tool was designed, which adopts a contour design and a micro-arc structure, combined with unique tool angles, including stepped side edges, chamfers, front and rear end teeth and peripheral teeth, to improve machining efficiency and avoid burr residue.
It enables one-time molding of high-precision plastic products in the 3C industry, improving processing efficiency and ensuring appearance quality, while avoiding secondary finishing and burr residue.
Smart Images

Figure CN223670280U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of cemented carbide forming tool manufacturing, and particularly relates to a high-performance integral cemented carbide two-blade forming tool. BACKGROUND
[0002] The cemented carbide forming tool is mainly used for shape processing of high-precision plastic products in the 3C industry.
[0003] The tool is specially developed for plastic products, and the main features are special profiling design, especially small arc design, which can make the product be processed once, and the size structure does not need secondary finishing, greatly improving the processing efficiency; the unique tool angle design can make the product have no burr after processing, and the appearance quality is guaranteed. UTILITY MODEL CONTENT
[0004] In order to overcome the above-mentioned defects of the prior art, the purpose of the utility model is to provide a high-performance integral cemented carbide two-blade forming tool.
[0005] In order to realize the purpose of the utility model, the technical scheme adopted is:
[0006] A high-performance integral cemented carbide two-blade forming tool comprises:
[0007] A shank part is connected with a forming tool head through a stepped connection structure at one end of the shank part;
[0008] The forming tool head is a double-blade forming tool structure;
[0009] The forming tool head is provided with a stepped side blade near the stepped connection structure;
[0010] A groove is arranged on the end face of the double-blade forming tool structure, and a horizontal blade is arranged on the top of the end face;
[0011] First front end teeth and first rear end teeth are arranged on the axial cross section of the first blade of the double-blade forming tool structure;
[0012] First circumferential teeth are arranged in the circumferential direction of the first blade;
[0013] Second front end teeth and second rear end teeth are arranged on the axial cross section of the second blade of the double-blade forming tool structure;
[0014] Second circumferential teeth are arranged in the circumferential direction of the second blade;
[0015] The first blade and the second blade are arranged radially symmetrically.
[0016] In an optimal embodiment of the utility model, the stepped side blade is provided with a chamfer, and the radius R of the chamfer is 0.05mm.
[0017] In an optimal embodiment of the utility model, the first front end tooth is provided with a first front end tooth radial rake and a first front end tooth radial drag.
[0018] The angle of the first front end tooth radial rake is 7-9°.
[0019] The angle of the first front end tooth radial drag is 0-2°.
[0020] In an optimal embodiment of the utility model, the second front end tooth is provided with a second front end tooth radial rake and a second front end tooth radial drag.
[0021] The angle of the second front end tooth radial rake is 7-9°.
[0022] The angle of the second front end tooth radial drag is 0-2°.
[0023] In an optimal embodiment of the utility model, the first rear end tooth is provided with a first rear end tooth radial drag.
[0024] The angle of the first rear end tooth radial drag is 0-2°.
[0025] In an optimal embodiment of the utility model, the second rear end tooth is provided with a second rear end tooth radial drag.
[0026] The angle of the second rear end tooth radial drag is 0-2°.
[0027] In an optimal embodiment of the utility model, the cross section of the chisel edge is a sector, and the angle of the sector is 105°.
[0028] In an optimal embodiment of the utility model, the first peripheral tooth is provided with a first peripheral tooth rake and a first peripheral tooth drag.
[0029] In an optimal embodiment of the utility model, the first peripheral tooth is provided with a first peripheral tooth rake and a first peripheral tooth drag.
[0030] In an optimal embodiment of the utility model, the second peripheral tooth is provided with a second peripheral tooth rake and a second peripheral tooth drag.
[0031] The utility model has the advantages of:
[0032] The utility model discloses adopt the profiling design, the small arc design, can make the product be once processing forming, size structure need not secondary fine dressing, greatly promoted the processing efficiency, the unique tool angle design can make the product be processed no burr remains, appearance quality is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0033] Figure 1 For the utility model structure schematic Figure One .
[0034] Figure 2 For the utility model structure schematic Figure Two .
[0035] Figure 3 For the utility model structure schematic Figure Three .
[0036] Figure 4 For the utility model structure schematic Figure Four .
[0037] Figure 5 For the utility model structure schematic Figure Five .
[0038] Figure 6 For the utility model structure schematic Figure Six .
[0039] Figure 7 For the utility model structure schematic Figure Seven . DETAILED DESCRIPTION
[0040] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, below through the drawing and example, to the utility model carries out further detailed description.But should understand, the specific example described here is only used to explain the utility model, and is not used to limit the scope of the utility model.In addition, in the following structure, the description of well-known structure and technology is omitted, to avoid unnecessary confusion the concept of the utility model.
[0041] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0042] As Figures 1-7The high-performance monolithic cemented carbide 2-blade forming tool shown includes a tool shank 1, and a forming tool head 3 connected to one end of the tool shank 1 through a stepped connection structure 2.
[0043] The forming tool head 3 is a double-blade forming tool structure, and the forming tool head is provided with a stepped side blade 31 near the stepped connection structure 2, and the stepped side blade 31 is provided with a chamfer, and the radius R of the chamfer is 0.05mm.
[0044] The inclination angle of the stepped side blade 31 is 2°.
[0045] The end surface of the double-blade forming tool structure 3 is provided with a groove 32, and the top of the end surface is provided with a cross blade 33, and the groove 32 is mainly used for guiding the cutting debris.
[0046] The cross section of the cross blade 33 is a sector, and the angle of the sector is 105°.
[0047] The axial cross section of the first blade 34 of the double-blade forming tool structure 3 is provided with a first front end tooth 341 and a first rear end tooth 342. The circumferential direction of the first blade 34 is provided with a first peripheral tooth 343.
[0048] The axial cross section of the second blade 35 of the double-blade forming tool structure 3 is provided with a second front end tooth 351 and a second rear end tooth 352, and the circumferential direction of the second blade 35 is provided with a second peripheral tooth 353.
[0049] The first blade 34 and the second blade 35 are radially symmetrically arranged.
[0050] Taking the first blade 34 as an example, the first front end tooth 341 is provided with a first front end tooth radial front angle 3411 and a first front end tooth radial rear angle 3412. The angle of the first front end tooth radial front angle 3411 is 7-9°. The angle of the first front end tooth radial rear angle 3412 is 0-2°.
[0051] The corresponding second front end tooth is provided with a second front end tooth radial front angle and a second front end tooth radial rear angle. The angle of the second front end tooth radial front angle is 7-9°. The angle of the second front end tooth radial rear angle is 0-2°.
[0052] Taking the first blade 34 as an example, the first rear end tooth 342 is provided with a first rear end tooth radial rear angle 3421. The angle of the first rear end tooth radial rear angle 3421 is 0-2°.
[0053] The corresponding second rear end tooth is provided with a second rear end tooth radial rear angle. The angle of the second rear end tooth radial rear angle is 0-2°.
[0054] Taking the first blade 34 as an example, the first peripheral tooth 343 is provided with a first peripheral tooth front angle 3431 and a first peripheral tooth rear angle 3432.
[0055] The first tooth front angle 3431 has an angle of 28-32°, and the first tooth back angle 3432 has an angle of 17-19°.
[0056] Correspondingly, the second tooth is provided with a second tooth front angle and a second tooth back angle, the second tooth front angle has an angle of 28-32°, and the second tooth back angle has an angle of 17-19°.
[0057] The hard alloy is also called tungsten steel, and the main component is WC, which is made of a high-hardness alloy material by using Co as a binder.
[0058] The utility model discloses adopt the profiling design, small arc design, can make the product be once processing forming, size structure need not secondary fine dressing, has improved the processing efficiency greatly, the unique tool angle design can make the product be processed and have no burr residue, and the appearance quality is guaranteed.
[0059] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model.
[0060] The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model to be protected, and the scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A high performance solid cemented carbide two-edge profiled tool, c h a r a c t e r i s e d in that The utility model relates to a double-blade forming tool bit, comprising: a shank, one end of the shank being connected to a forming tool bit by a stepped connection structure; the forming tool bit is a double-blade forming tool structure; the forming tool bit is provided with a stepped side blade near the stepped connection structure; the end face of the double-blade forming tool structure is provided with a groove, and the top of the end face is provided with a cross blade; the axial cross section of the first blade of the double-blade forming tool structure is provided with a first front end tooth and a first rear end tooth; the first blade is provided with a first peripheral tooth in the circumferential direction; the axial cross section of the second blade of the double-blade forming tool structure is provided with a second front end tooth and a second rear end tooth; the second blade is provided with a second peripheral tooth in the circumferential direction; the first blade and the second blade are radially symmetrically arranged.
2. A high performance solid carbide two blade profile cutter as claimed in claim 1 wherein, The stepped side blade is provided with a chamfer, and the radius R of the chamfer is 0.05 mm.
3. A high performance solid carbide two blade profile cutter as claimed in claim 1 wherein, the first front end tooth is provided with a first front end tooth radial front angle and a first front end tooth radial rear angle; the angle of the first front end tooth radial front angle is 7-9°; the angle of the first front end tooth radial rear angle is 0-2°.
4. A high performance solid carbide two blade profile cutter as claimed in claim 1 wherein, the second front end tooth is provided with a second front end tooth radial front angle and a second front end tooth radial rear angle; the angle of the second front end tooth radial front angle is 7-9°; the angle of the second front end tooth radial rear angle is 0-2°.
5. A high performance solid cemented carbide two-edge profiled tool according to claim 1, characterized in that the first rear end tooth is provided with a first rear end tooth radial rear angle; the angle of the first rear end tooth radial rear angle is 0-2°.
6. A high performance solid cemented carbide two-edge profiled tool according to claim 1, characterized in that the second rear end tooth is provided with a second rear end tooth radial rear angle; the angle of the second rear end tooth radial rear angle is 0-2°.
7. A high performance solid carbide two blade profile cutter as claimed in claim 1 wherein, the cross section of the cross blade is a sector, and the angle of the sector is 105°.
8. A high performance solid carbide two blade profile cutter as claimed in claim 1 wherein, the first peripheral tooth is provided with a first peripheral tooth front angle and a first peripheral tooth rear angle; the angle of the first peripheral tooth front angle is 28-32°; the angle of the first peripheral tooth rear angle is 17-19°; the second peripheral tooth is provided with a second peripheral tooth front angle and a second peripheral tooth rear angle; the angle of the second peripheral tooth front angle is 28-32°; the angle of the second peripheral tooth rear angle is 17-19°.