Milling cutter for forming part of supporting disc of blank ring integrated forming mold

Abstract

The utility model discloses a milling cutter for a forming part of a support disc of a blank ring integrated forming die, which comprises a cutter handle and a cutter head arranged at a first end of the cutter handle, a cutting edge for processing the forming part of the support disc of the blank ring integrated forming die is arranged at one end of the cutter head far away from the cutter handle, and the cutting edge and the cutter head form a T-shaped structure. The cutting edge is connected with the tool bit through a connecting part, and the section of the connecting part is in a circular arc shape. By arranging the T-shaped milling cutter, the supporting disc forming part of the forming die can be rapidly roughly machined, the machining efficiency of the die is greatly improved, the machining time is shortened, the service life of the cutter is prolonged, meanwhile, the supporting disc forming part is completely formed by combining the residual part of electric spark machining, and the die quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould processing technical field, especially relate to a kind of milling cutter for embryo ring integrated forming mould support plate forming part. BACKGROUND

[0002] PET bottle has very strong applicability, is widely used in daily necessities, daily chemical packaging and other fields.From mould processing to machine equipment have extremely strong pickiness, easy to start, difficult to do fine.PET bottle blank is formed plastic bottle by blow molding secondary processing, including the bottle used for the packaging of cosmetics, medicine, health care, beverage, mineral water, reagent.

[0003] PET bottle is obtained by bottle embryo blow molding, and PET bottle embryo is injection molded by injection mold.In prior art, the part of mold corresponding to bottle opening support plate forming (such as positioning seat in the patent with publication number CN215203266U) is formed 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 kind of milling cutter for embryo ring integrated forming mould support plate forming part, by setting T type milling cutter, the support plate forming part of mould can be quickly rough machined, greatly improve the processing efficiency of mould, shorten the processing time, improve tool life, at the same time, the remaining part is combined with electric spark machining to make the support plate forming part completely formed, improve mould quality.

[0005] The utility model aims at overcoming the defects of prior art, providing a kind of milling cutter for embryo ring integrated forming mould support plate forming part, by setting T type milling cutter, the support plate forming part of mould can be quickly rough machined, greatly improve the processing efficiency of mould, shorten the processing time, improve tool life, at the same time, the remaining part is combined with electric spark machining to make the support plate forming part completely formed, improve mould quality.

[0006] A kind of milling cutter for embryo ring integrated forming mould support plate forming part, including handle and the cutter head of setting in the first end of handle, the cutter head is equipped with the cutting edge for processing embryo ring integrated forming mould support plate forming part in the end away from handle, the cutting edge and cutter head form T character structure, the cutting edge is connected by connecting portion between the cutter head, the connecting portion section is circular arc.

[0007] Further, the radius of the connecting portion is 0.5mm.

[0008] Further, a first forming surface is provided between the connecting portion and the cutting edge, and the first forming surface is inclined to form a horn structure with the cutting edge.

[0009] Further, the included angle between the first forming surface and the horizontal plane is 8°.

[0010] Further, the blade length of the blade is 1.37mm-1.90mm, and the blade diameter is 16mm-20mm.

[0011] Further, the tool bit length is 23.57mm-28.50mm, and the tool bit diameter is 6.8mm-8.5mm.

[0012] Further, the tool shank diameter is 16mm.

[0013] The utility model discloses a beneficial effect is:

[0014] The utility model discloses a T type milling cutter can be quickly rough -machined support disc forming part of mould, has improved mould processing efficiency greatly, has shortened processing time, has improved tool service life, combines the remaining part of spark -erosion machining simultaneously and makes support disc forming part completely form, improves mould quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic drawing of milling cutter for embryo ring integration forming mould support disc forming part in the utility model embodiment 1;

[0016] Figure 2 It is the structure schematic drawing of milling cutter for embryo ring integration forming mould support disc forming part in the utility model embodiment 2;

[0017] Figure 3 It is the structure schematic drawing of milling cutter for embryo ring integration forming mould support disc forming part in the utility model embodiment 3; Figure 2 It is the enlarged schematic drawing of part A in the utility model;

[0018] Figure 4 It is the structure schematic drawing of milling cutter for embryo ring integration forming mould support disc forming part in the utility model embodiment 3;

[0019] Figure 5 It is the enlarged schematic drawing of part B in the utility model; Figure 4 It is the enlarged schematic drawing of part B in the utility model;

[0020] In the drawing, 1, tool shank;2, tool bit;3, blade;4, first forming surface;5, second forming surface;6, third forming surface;7, fourth forming surface;8, fifth forming surface;9, connecting portion. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model will be described below in conjunction with embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Reference Figures 1-5, the utility model provides a technical solution:

[0023] Example 1:

[0024] A milling cutter for the support disk forming part of the embryo ring integrated molding mold comprises a shank 1 and a cutter head 2 arranged at the first end of the shank 1, wherein the end of the cutter head 2 away from the shank 1 is provided with a blade 3 for machining the support disk forming part of the embryo ring integrated molding mold, wherein the blade 3 and the cutter head 2 form a T-shaped structure, and the blade 3 is a disc-shaped structure (the inventor is requested to confirm whether the blade 3 here is a multi-tooth structure or an integral disc-shaped structure), and the blade 3 is connected to the cutter head 2 via a connecting portion 9, and the cross-section of the connecting portion 9 is an arc shape.

[0025] The radius of the connecting portion 9 is 0.5 mm.

[0026] The blade length of the blade 3 ( Figure 1 L3) is 1.90 mm, the blade 3 diameter ( Figure 1 D1) is 20mm.

[0027] The length of the blade 2 ( Figure 1 L2) 23.57mm, the diameter of the cutter head 2 ( Figure 1 D2) is 8mm.

[0028] The diameter of the handle 1 ( Figure 1 D3) is 16mm. The overall length of the tool ( Figure 1 Middle L1) is 60mm.

[0029] Working principle: When machining the anti-theft ring forming part inside the mold, (1) Rough machining: The support plate forming part (groove) is initially formed by milling with a tool, and a machining allowance of 10-12 wires is left during the milling process. (2) Finishing: The mold support plate forming part is completely formed by rough machining with the remaining 10-12 wire machining allowance through EDM.

[0030] The utility model can quickly rough-process the support plate forming part of the forming mold by arranging a T-shaped milling cutter, greatly improving the processing efficiency of the mold, shortening the processing time, and increasing the service life of the tool. At the same time, combined with the electric spark processing of the remaining part, the support plate forming part is completely formed, thereby improving the quality of the mold.

[0031] Example 2:

[0032] The difference between this embodiment and embodiment 1 is that the blade length of the blade 3 is 1.5 mm and the diameter of the blade 3 is 16 mm.

[0033] The length of the cutter head 2 is 28.5 mm, the diameter of the cutter head 2 is 8.5 mm, and the total length of the cutter is 75 mm.

[0034] In this embodiment, the blade 3 includes an arcuate second molding surface 5 and an arcuate third molding surface 6, which are connected by a first vertical surface (the length of the first vertical surface is 0.4 mm). The radius of the second molding surface 5 and the third molding surface 6 are both 0.5 mm.

[0035] The tool of this embodiment is used to process the supporting disk forming portion which is smaller in size than that of the embodiment 1.

[0036] Example 3:

[0037] The difference between this embodiment and embodiment 1 and embodiment 2 is that a first molding surface 4 is provided between the connecting portion 9 and the blade 3 , and the first molding surface 4 is tilted to form a trumpet-shaped structure with the blade 3 .

[0038] The angle between the first molding surface 4 and the horizontal plane ( Figure 5 The first molding surface 4 has a length of 0.76 mm.

[0039] The blade length of the blade 3 is 1.37 mm, and the diameter of the blade 3 is 16 mm.

[0040] The length of the cutter head 2 is 28.20 mm, and the diameter of the cutter head 2 is 6.8 mm.

[0041] In this embodiment, the blade 3 includes an arcuate fourth molding surface 7 and an arcuate fifth molding surface 8, which are connected by a second vertical surface (the second vertical surface is 0.1 mm long). The radius of the fourth molding surface 7 and the fifth molding surface 8 are both 0.3 mm.

[0042] The tool of this embodiment is used for processing the support disc forming portion having an inclined surface of the support disc.

[0043] The above description is merely a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the concept described herein through the above teachings or techniques or knowledge in the relevant fields. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.

Claims

1. A milling cutter for the support plate forming portion of a mold for an integrated embryonic ring forming die, characterized in that: It includes a tool handle and a tool head arranged at the first end of the tool handle. The tool head is provided with a blade for processing the forming part of the support disk of the embryo ring integrated forming mold at the end away from the tool handle. The blade and the tool head form a T-shaped structure. The blade is a disc-shaped structure. The blade and the tool head are connected by a connecting part, and the cross-section of the connecting part is an arc.

2. The milling cutter for the support plate forming portion of the embryo ring integrated forming mold according to claim 1, characterized in that: The radius of the connecting portion is 0.5 mm.

3. The milling cutter for the support plate forming portion of the embryo ring integrated forming mold according to claim 1, characterized in that: A first forming surface is provided between the connecting portion and the blade, and the first forming surface is arranged obliquely to form a trumpet-shaped structure with the blade.

4. The milling cutter for the support plate forming portion of the embryo ring integrated forming mold according to claim 3, characterized in that: The angle between the first forming surface and the horizontal plane is 8°.

5. The milling cutter for the support plate forming portion of the embryo ring integrated forming mold according to claim 4, characterized in that: The blade length of the blade is 1.37mm-1.90mm, and the blade diameter is 16mm-20mm.

6. The milling cutter for the support plate forming portion of the embryo ring integrated forming mold according to claim 1, characterized in that: The length of the cutter head is 23.57mm-28.50mm, and the diameter of the cutter head is 6.8mm-8.5mm.

7. The milling cutter for the support plate forming portion of the embryo ring integrated forming mold according to any one of claims 1 to 6, characterized in that: The diameter of the shank is 16 mm.

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