Milling cutter for anti-theft ring forming part of blank ring integrated forming die
By combining T-slot milling cutters and electrical discharge machining, the problems of low processing efficiency and short tool life in the mold anti-theft ring forming part were solved, achieving efficient and rapid mold forming and improving mold quality.
Patent Information
- Application Number
- CN202422652274.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-10-31
AI Technical Summary
In existing technologies, the processing of the molded anti-theft ring forming part suffers from problems such as tooth breakage, tool breakage, and low processing efficiency, especially ball milling and EDM, each with its own shortcomings.
Roughing is performed using a T-slot milling cutter, combined with electrical discharge machining (EDM). Rapid forming is achieved by setting the cutting edge structure of the T-slot milling cutter, with the cutting edge and the cutter head forming a T-shape. The remaining part is then machined using EDM to complete the forming of the anti-theft ring.
It improves the processing efficiency of the mold anti-theft ring forming part, shortens the processing time, extends the tool life, and improves the overall quality of the mold.
Smart Images

Figure CN223572068U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mould processing technical field, especially relate to a milling cutter for embryo ring integrated forming mould anti -theft ring forming part. BACKGROUND
[0002] PET bottles have very strong applicability, and are widely used in daily necessities, daily chemical packaging and other fields. From mould processing to machine equipment, there is extremely strong pickiness, easy to start, difficult to do. PET bottle blanks are processed into plastic bottles by blow molding, including bottles used for packaging cosmetics, medicines, health care, beverages, mineral water, reagents, etc.
[0003] PET bottles are obtained by bottle embryo blow molding, and PET bottle embryo is injection molded by injection molding mold. In the prior art, the part corresponding to the bottle mouth anti-theft ring forming of the mold (such as the positioning seat in the patent with publication number CN215203266U) is processed by ball cutter milling or electric spark machining. The former is prone to tooth collapse and tool breakage during processing due to factors such as hard mold material and small ball cutter chip groove. The latter has the problems of long processing cycle and low processing efficiency. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the defects of prior art, providing a milling cutter for embryo ring integrated forming mold anti-theft ring forming part, which can quickly and coarsely process the anti-theft ring forming part of the mold by setting a T-shaped milling cutter, greatly improving the processing efficiency of the mold, shortening the processing time, improving the service life of the tool, and combining electric spark machining to completely form the anti-theft ring forming part, improving the quality of the mold.
[0005] The utility model aims to realize the following technical scheme:
[0006] A milling cutter for embryo ring integrated forming mold anti-theft ring forming part, comprising a handle and a tool bit provided at the first end of the handle, wherein the end of the tool bit away from the handle is provided with a tool edge for processing the anti-theft ring forming part of the embryo ring integrated forming mold, the tool edge and the tool bit form a T-shaped structure, and the diameter ratio of the tool bit to the tool edge is 0.46-0.53.
[0007] Further, the tool edge comprises a first forming surface, a second forming surface, a third forming surface, a fourth forming surface and a fifth forming surface arranged in sequence, the first forming surface is connected with the end of the tool bit away from the handle, the first forming surface, the second forming surface and the fourth forming surface are all circular arc surfaces, the third forming surface is a horizontally arranged circular surface, and the fourth forming surface is an inclined surface.
[0008] The radius of the first forming surface is 0.5mm, and the radius of the fourth forming surface is 0.2mm.
[0009] Further, the radius of the second profile surface is 0.2mm-0.5mm.
[0010] Further, the diameter of the tool head is 5.5mm-8.5mm.
[0011] Further, the tool edge angle is 38.45°-42.00°.
[0012] Further, the diameter of the third profile surface is 9.60mm-13.26mm.
[0013] Further, the radius of the second profile surface is 0.2mm, the diameter of the tool head is 5.5mm, the tool edge angle is 42.00°, and the tool edge diameter is 12mm.
[0014] Further, the radius of the second profile surface is 0.5mm, the diameter of the tool head is 8.5mm, the tool edge angle is 38.45°, and the tool edge diameter is 16mm.
[0015] The utility model discloses a beneficial effect is:
[0016] The utility model discloses a milling cutter of T type can be quick rough processing antitheft ring forming portion of forming mould, has improved mould's processing efficiency greatly, has shortened processing time, has improved tool service life, combines spark machining remaining part simultaneously and makes antitheft ring forming portion complete molding, has improved mould quality. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the structure schematic drawing of milling cutter for embryo ring integration forming mould antitheft ring forming portion in the utility model embodiment 1;
[0018] Figure 2 It is the structure schematic drawing of milling cutter for embryo ring integration forming mould antitheft ring forming portion in the utility model embodiment 2;
[0019] Figure 3 It is Figure 2 It is the enlarged schematic drawing of partial A in the utility model;
[0020] In the drawing, 1, tool handle;2, tool head;3, tool edge;4, first profile surface;5, second profile surface;6, third profile surface;7, fourth profile surface;8, fifth profile surface. CONCRETE IMPLEMENTING METHOD
[0021] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0022] See Figures 1-3 This utility model provides a technical solution:
[0023] Example 1:
[0024] like Figure 1 As shown, a milling cutter for the anti-theft ring forming part of an integrated molding die for a preform ring includes a shank 1 and a cutter head 2 disposed at the first end of the shank 1. The end of the cutter head 2 away from the shank 1 is provided with a cutting edge 3 for processing the anti-theft ring forming part of the integrated molding die for a preform ring. The cutting edge 3 and the cutter head 2 form a T-shaped structure. The diameter ratio of the cutter head 2 to the cutting edge 3 is 0.46-0.53.
[0025] The blade 3 includes a first forming surface 4, a second forming surface 5, a third forming surface 6, a fourth forming surface 7, and a fifth forming surface 8 arranged sequentially. The first forming surface 4 is connected to the end of the blade head 2 away from the handle 1. The first forming surface 4, the second forming surface 5, and the fourth forming surface 7 are all arc surfaces. The third forming surface 6 is a horizontally arranged circular surface, and the fourth forming surface 7 is an inclined surface. The cross-sectional shape of the blade is adapted to the cross-sectional shape of the anti-theft ring.
[0026] The radius of the first molding surface 4 ( Figure 3 R1) is 0.5mm (the chamfer setting corresponds to the forming angle R0.5 on the part), the radius of the fourth forming surface 7 ( Figure 3 The R3 value is 0.2 mm.
[0027] The radius of the second forming surface 5 ( Figure 3 The radius of the blade (R2) is 0.2mm, the diameter of the blade head 2 is 5.5mm, and the angle of the blade 3 is ( Figure 1 The angle of α is 42.00°, and the diameter of the blade 3 is ( Figure 1 D2) is 12mm.
[0028] In this embodiment, the total length of the handle 1, the blade 2, and the cutting edge 3 is ( Figure 1 The middle L3 is 55mm, and the blade length 3 is ( Figure 1 The length of L1 is 2.5mm, and the length of the cutter head 2 (avoidance length) is ( Figure 1 The diameter of L2 is 17.5mm; the diameter of the shank 1 is ( Figure 1 (D3) 16mm.
[0029] The blade 3 is provided with a metal coating.
[0030] Working principle: when the anti-theft ring forming part of the mold is processed, (1) rough machining: the anti-theft ring forming part (groove) is initially formed by cutter milling, and the milling process leaves a machining allowance of 10-12 silk. (2) Finishing: the remaining 10-12 silk machining allowance is removed by electric spark machining, so that the anti-theft ring forming part of the mold is completely formed.
[0031] The utility model discloses a T-shaped milling cutter can quickly rough machining the anti-theft ring forming part of the mold, greatly improve the processing efficiency of the mold, shorten the processing time, improve the service life of the cutter, and the remaining part is combined with electric spark machining to make the anti-theft ring forming part completely formed, improve the mold quality.
[0032] Example 2:
[0033] As shown in Figure 2 and Figure 3 The difference between the present embodiment and example 1 is that the radius of the second forming surface 5 is 0.5 mm, the diameter of the cutter head 2 is 8.5 mm, the angle (β) of the blade 3 is 38.45°, and the diameter of the blade 3 is 16 mm. Figure 3
[0034] In the present embodiment, the total length of the shank 1, the cutter head 2 and the blade 3 is 75 mm, the length of the blade 3 is 2.11 mm, and the length of the cutter head 2 (avoiding length) is 15.25 mm; the diameter of the shank 1 is 12 mm, and the diameter of the cutter head 2 is 5.5 mm.
[0035] The cutter of the present embodiment is used to process an anti-theft ring with a smaller size than the anti-theft ring in example 1.
[0036] The above is only the preferred embodiment of the utility model, and it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein by the above teaching or related technical or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.
Claims
1. A milling cutter for use in an integrated forming die for a security ring of a jamb ring, characterized by: The utility model relates to a cutting tool, comprising a handle and a cutting head arranged at the first end of the handle, wherein the cutting head is provided with a cutting edge for machining an anti-theft ring forming part of an integrated forming die for embryo ring at the end away from the handle, the cutting edge and the cutting head form a T-shaped structure, and the diameter ratio of the cutting head to the cutting edge is 0.46-0.
53.
2. The milling cutter for the theft-proof ring forming part of the embryo ring integrated forming mold according to claim 1, characterized in that: The cutting edge comprises a first forming surface, a second forming surface, a third forming surface, a fourth forming surface and a fifth forming surface arranged in sequence, wherein the first forming surface is connected to the end of the cutting head away from the handle; the first forming surface, the second forming surface and the fourth forming surface are all circular arc surfaces, the third forming surface is a horizontally arranged circular surface, and the fourth forming surface is an inclined surface. The radius of the first forming surface is 0.5mm, and the radius of the fourth forming surface is 0.2mm.
3. The milling cutter for the theft-proof ring forming part of the embryo ring integrated forming mold according to claim 2, characterized in that: The radius of the second forming surface is 0.2mm-0.5mm.
4. The milling cutter for the theft-proof ring forming part of the embryo ring integrated forming mold according to claim 3, characterized in that: The diameter of the cutting head is 5.5mm-8.5mm.
5. The milling cutter for the theft-proof ring forming part of the embryo ring integrated forming mold according to claim 4, characterized in that: The cutting edge angle is 38.45°-42.00°.
6. The milling cutter for the theft-proof ring forming part of the embryo ring integrated forming mold according to claim 5, characterized in that: The diameter of the third forming surface is 9.60mm-13.26mm.
7. The milling cutter for the theft-proof ring forming part of the embryo ring integrated forming mold according to claim 6, characterized in that: When the radius of the second forming surface is 0.2mm, the diameter of the cutting head is 5.5mm, the cutting edge angle is 42.00°, and the diameter of the cutting edge is 12mm.
8. The milling cutter for the theft-proof ring forming part of the embryo ring integrated forming mold according to claim 6, characterized in that: When the radius of the second forming surface is 0.5mm, the diameter of the cutting head is 8.5mm, the cutting edge angle is 38.45°, and the diameter of the cutting edge is 16mm.
Citation Information
Patent Citations
Mold with cavity capable of being vacuumized and blown for PET bottle preform production
CN215203266U