A form rack end mill used in a machining center

Abstract

This utility model discloses a shaped rack end mill for use in machining centers, belonging to the field of end mill technology. It includes a cutter shank, with a cutter disc integrally formed at the bottom. The cutter disc has several insert mounting slots circumferentially formed, and inserts are detachably mounted in these slots. This shaped rack end mill for machining centers features a simple, compact, and reasonable structure. It uses detachable inserts to perform one-time forming of the rack, and the two ends of the inserts are interchangeable, saving costs and reducing maintenance frequency.

Description

Technical Field

[0001] This utility model relates to the field of milling cutter technology, and in particular to a forming rack milling cutter used in machining centers. Background Technology

[0002] Currently, mass production of racks typically employs CNC milling with form milling cutters. Form milling cutters produce racks with good tooth profile consistency, high precision, and high efficiency. However, this usually requires high-precision CNC milling machines. Many manufacturers lack high-precision CNC milling machines but generally have high-precision machining centers. If racks could be machined using machining centers, many manufacturers could increase their production capacity. Furthermore, form milling cutters have long manufacturing cycles, large tool bodies, and short tool life. The more teeth a rack has, the faster it wears. Replacing tools on a CNC milling machine is time-consuming, and although they can be reused after resharpening, the overall tool cost is high. How to enable rack machining on machining centers, reduce tool change time, increase tool life, lower rack machining costs, and improve production efficiency is a pressing technical challenge for manufacturers. Based on this, this utility model proposes a form milling cutter for use in machining centers. Utility Model Content

[0003] The purpose of this invention is to provide a forming rack end mill for use in machining centers, thereby solving the problems mentioned above.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] This utility model discloses a shaped rack end mill used in a machining center, including a cutter shank, the bottom of which is integrally formed with a cutter disc, and the cutter disc has a plurality of insert mounting slots circumferentially formed thereon, and inserts are detachably mounted in the insert mounting slots.

[0006] Furthermore, the blade has a spindle-shaped structure.

[0007] Furthermore, both ends of the blade are sharpened.

[0008] Furthermore, the blade is bolted into the blade mounting slot.

[0009] Furthermore, the blade mounting groove has a groove on its side wall facing the direction of rotation of the blade holder that matches the blade, and a threaded hole for cooperating with the bolt is provided in the middle of the groove.

[0010] Furthermore, a through hole is provided at the center of the blade for the bolt to pass through.

[0011] Furthermore, the end of the blade rests against the workpiece.

[0012] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0013] The forming rack end mill used in this new machining center has a simple, compact, and reasonable structure. It uses detachable inserts to form the rack in one operation, and the two ends of the inserts are interchangeable, which saves costs and reduces the number of maintenance operations. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings.

[0015] Figure 1 This is a front view of the forming rack end mill used in the machining center of this utility model;

[0016] Figure 2 This is a sectional view of the forming rack milling cutter used in the machining center of this utility model;

[0017] Figure 3 This is a bottom view of the forming rack end mill used in the machining center of this utility model;

[0018] Explanation of reference numerals in the attached diagram: 1. Tool holder; 2. Tool mounting slot; 3. Tool; 4. Bolt; 5. Workpiece; 6. Threaded hole; 7. Tool groove; 8. Through hole. Detailed Implementation

[0019] like Figure 1-3 As shown, a shaped rack end mill used in a machining center includes a tool holder 1, the bottom of which is integrally formed with a cutter disc, and the cutter disc has a plurality of insert mounting slots 2 circumferentially formed thereon, and inserts 3 are detachably mounted in the insert mounting slots 2.

[0020] The blade 3 has a spindle-shaped structure, and both ends of the blade 3 are sharpened. That is, after the blade 3 is worn, it can be reused by replacing the other end, which reduces the number of maintenance times and saves costs.

[0021] The blade 3 is installed in the blade mounting slot 2 by bolts 4, which makes the operation convenient and quick.

[0022] The blade mounting groove 2 has a groove 7 on its side wall facing the rotation direction of the blade holder 1, which matches the blade 3, to facilitate positioning and installation. A threaded hole 6 is provided in the middle of the groove 7 to mate with the bolt 4 for mounting the blade 3.

[0023] The blade 3 has a through hole 8 at its center for the bolt 4 to pass through.

[0024] The end of the blade 3 rests against the workpiece 5.

[0025] The working process of this utility model is as follows:

[0026] When the cutting tool is working, the tool holder 1 drives the bottom integrally formed cutting disc to rotate synchronously with the drive mechanism. The cutting disc 3 in the circumferentially distributed cutting disc cutting disc 2 performs circumferential cutting motion, and its end abuts against the workpiece 5 to complete the cutting operation.

[0027] The blade 3 has a spindle-shaped double-edged structure. It is detachably fixed by bolts 4 through the central through hole 8 and the threaded hole 6 at the blade groove 7 in the blade mounting groove 2. The blade groove 7 can accurately position the blade 3. When one end of the blade 3 is worn, the bolts 4 can be loosened, the blade 3 can be reversed and fixed again by bolts 4, and the other end can be used to continue cutting. This reduces the frequency of tool maintenance and replacement, lowers the cost of use, and the overall disassembly and assembly operation is convenient and efficient.

[0028] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A profile rack cutter for use in a machining center, characterized by: Includes a tool holder (1), the bottom of which is integrally formed with a tool disc, and a plurality of blade mounting slots (2) are provided on the circumference of the tool disc, and blades (3) are detachably installed in the blade mounting slots (2).

2. The forming rack end mill used in the machining center according to claim 1, characterized in that: The blade (3) has a spindle-shaped structure.

3. The forming rack end mill used in a machining center according to claim 1, characterized in that: Both ends of the blade (3) are sharpened.

4. The forming rack end mill used in a machining center according to claim 1, characterized in that: The blade (3) is mounted in the blade mounting slot (2) by bolts (4).

5. The forming rack end mill used in a machining center according to claim 4, characterized in that: The blade mounting groove (2) has a groove (7) on its side wall facing the rotation direction of the blade (1) that matches the blade (3), and a threaded hole (6) that matches the bolt (4) is provided in the middle position of the groove (7).

6. The forming rack end mill used in a machining center according to claim 4, characterized in that: The blade (3) has a through hole (8) at its center for the bolt (4) to pass through.

7. The forming rack end mill used in a machining center according to claim 1, characterized in that: The end of the blade (3) rests against the workpiece (5).

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