CN212857922U - Special cutter for milling large screw hole - Google Patents

Special cutter for milling large screw hole Download PDF

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Publication number
CN212857922U
CN212857922U CN202021037968.9U CN202021037968U CN212857922U CN 212857922 U CN212857922 U CN 212857922U CN 202021037968 U CN202021037968 U CN 202021037968U CN 212857922 U CN212857922 U CN 212857922U
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CN
China
Prior art keywords
cutter
milling
handle
blade
discharge port
Prior art date
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Active
Application number
CN202021037968.9U
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Chinese (zh)
Inventor
吉鲲跃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Zhongneng Machinery Co ltd
Original Assignee
Nantong Zhongneng Machinery Co ltd
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Priority to CN202021037968.9U priority Critical patent/CN212857922U/en
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Publication of CN212857922U publication Critical patent/CN212857922U/en
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Abstract

The utility model relates to a special cutter for milling large screw holes, which comprises a cutter handle, a cutter rod and a cutter head, wherein the cutter handle and the cutter rod are coaxial shaft-shaped structural members with hollow and mutually communicated inner parts, one end of the cutter handle is provided with the cutter rod, the end of the cutter rod far away from the cutter handle is provided with the cutter head, the cutter head comprises a cutter head steel body and three blades, the blades are made of tungsten-cobalt-titanium alloy raw materials and are fixed in blade mounting grooves through screws and locking holes, can improve the smooth finish of the screw thread, is convenient for staff to carry out screw thread fixing and replacing operations on the blade, prolongs the service life of the cutter head, is provided with a first fog discharge port and three second fog discharge ports, the aperture of the first fog discharge port is larger than that of the second fog discharge port, the cutting fluid flows out in the milling and washing process, and the milling of the large screw hole is completed through the procedures of pre-milling, rough milling and finish milling, so that the processing quality of the large screw hole is ensured, the cooling effect of the cutter is improved, and the service life of the cutter is prolonged.

Description

Special cutter for milling large screw hole
Technical Field
The utility model relates to a screw processing technology field, concretely relates to mill big screw special tool of processing.
Background
The numerical control milling is a machining process for machining prismatic parts. Milling cutters having a rotating cylindrical cutting head and a plurality of flutes, commonly referred to as end mills or end mills, are movable along different axes for machining elongated cavities, grooves, outer contours, etc. The machine tool for milling is called a milling machine, and the numerical control milling machine is generally called a numerical control machining center. The milling processing comprises manual milling and numerical control milling, and the milling processing is carried out in a machining workshop.
The existing tool cannot meet the requirements for ensuring the thread finish of the equally-divided large screw hole and the equally-divided precision of the screw hole, and the special tool for milling the large screw hole is provided at present, and the large screw hole is milled through the procedures of pre-milling, rough milling and finish milling.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model provides a mill big screw special tool, solve the big screw processing problem of the partition precision of position required precision height, assurance screw finish and screw.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a mill special cutter of big screw of processing, includes handle of a knife, cutter arbor and tool bit, the handle of a knife is inside hollow axle column structure spare, the cutter arbor is inside hollow axle column structure spare, and the one end of handle of a knife is equipped with the cutter arbor, and the handle of a knife is coaxial structure of axis with the cutter arbor, and the hollow structure of handle of a knife and cutter arbor communicates each other, and the one end that the handle of a knife was kept away from to the cutter arbor is equipped with tool bit, its characterized in that: the tool bit includes the tool bit steel body and three blade, three sword fans are divided into equally to tool bit steel body circumference, and opens the chip groove that is equipped with slope circular arc design between adjacent sword fan, and the chip groove is close to the one end of sword fan and has seted up the locking hole and the blade mounting groove that matches with the blade, the blade is equilateral triangle structure, and the blade passes through the screw and fixes in the blade mounting groove with the locking hole.
Furthermore, a first fog discharge port communicated with the cutter bar hollow structure is axially arranged at the center of the top of the cutter head in a penetrating mode, and a second fog discharge port communicated with the cutter bar hollow structure is axially arranged at the chip groove in a penetrating mode.
Further, the aperture of the first fog discharge port is larger than that of the second fog discharge port.
Furthermore, the raw material of the blade is tungsten-cobalt-titanium alloy.
The utility model has the advantages that:
1) the utility model adopts the tungsten-cobalt-titanium alloy as the raw material, and is fixed in the blade mounting groove through the screw and the locking hole, thereby improving the smooth finish of the thread, facilitating the thread fixing and replacing operation of the blade by the staff and prolonging the service life of the tool bit;
2) the utility model discloses a have a first row of fog mouth and three second row of fog mouth on the tool bit, and the aperture of first row of fog mouth is greater than the aperture of second row of fog mouth, is milling the in-process outflow cutting fluid that washes, through milling of milling in advance, rough milling, finish milling procedure completion big screw, guarantees the processingquality of big screw, improves the cooling effect of cutter.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a top view of a tool bit of the special tool for milling large screw holes of the present invention;
fig. 2 is a side view of a tool bit of the special tool for milling large screw holes of the utility model.
In the figure: 1. the cutting tool comprises a tool bit 11, a tool bit steel body 12, a blade 13, a first fog discharge port 14, a blade fan 15, a locking hole 16, a blade mounting groove 17, a second fog discharge port 18 and a chip discharge groove.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1-2 the utility model discloses a mill special cutter of big screw of processing picture, including handle of a knife, cutter arbor and tool bit 1, the handle of a knife is inside hollow axle form structure, and the cutter arbor is inside hollow axle form structure, and the one end of handle of a knife is equipped with the cutter arbor, and the handle of a knife is coaxial structure with the cutter arbor, and the hollow structure of handle of a knife and cutter arbor communicates mutually, and the one end that the handle of a knife was kept away from to the cutter arbor is equipped with tool bit 1.
The cutter head 1 comprises a cutter head steel body 11 and three blades 12, the circumference of the cutter head steel body 11 is equally divided into three cutter blades 14, a chip groove 18 with an inclined arc design is formed between every two adjacent cutter blades 14, and one end, close to the cutter blades 14, of the chip groove is provided with a locking hole 15 and a blade mounting groove 16 matched with the blades.
The blade 12 is in an equilateral triangle structure, the raw material of the blade 12 is tungsten-cobalt-titanium alloy, and the blade 12 is fixed in the blade mounting groove 16 through a bolt and a locking hole 15.
A first fog discharge port 13 communicated with the hollow structure of the cutter bar axially penetrates through the center of the top of the cutter head 1, and a second fog discharge port 17 communicated with the hollow structure of the cutter bar axially penetrates through the chip groove 18.
The aperture of the first mist discharge port 13 is larger than that of the second mist discharge port 17.
The working principle of this patent: the cutter handle is coaxially connected with the cutter rod, a cutter head is arranged at one end, far away from the cutter handle, of the cutter rod, the cutter blade is fixed in a cutter blade mounting groove through a screw and a locking hole, a first fog discharge port and a second fog discharge port in the cutter head are mutually communicated with hollow structures of the cutter handle and the cutter rod through cutting fluid, and milling of a large screw hole is completed through pre-milling, rough milling and finish milling procedures.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a mill special cutter of big screw of processing, includes handle of a knife, cutter arbor and tool bit, the handle of a knife is inside hollow axle column structure spare, the cutter arbor is inside hollow axle column structure spare, and the one end of handle of a knife is equipped with the cutter arbor, and the handle of a knife is coaxial structure with the cutter arbor, and the hollow structure of handle of a knife and cutter arbor communicates each other, and the one end that the handle of a knife was kept away from to the cutter arbor is equipped with tool bit, its characterized in that: the tool bit includes the tool bit steel body and three blade, three sword fans are divided into equally to tool bit steel body circumference, and opens the chip groove that is equipped with slope circular arc design between adjacent sword fan, and the chip groove is close to the one end of sword fan and has seted up the locking hole and the blade mounting groove that matches with the blade, the blade is equilateral triangle structure, and the blade passes through the screw and fixes in the blade mounting groove with the locking hole.
2. The special tool for milling the large screw hole according to claim 1, wherein the special tool comprises: the center of the top of the cutter head is axially provided with a first mist discharge port communicated with the hollow structure of the cutter rod in a penetrating way, and the chip discharge groove is axially provided with a second mist discharge port communicated with the hollow structure of the cutter rod in a penetrating way.
3. The special tool for milling the large screw hole according to claim 2, wherein the special tool comprises: the aperture of the first fog discharge port is larger than that of the second fog discharge port.
4. The special tool for milling the large screw hole according to claim 1, wherein the special tool comprises: the blade is made of tungsten-cobalt-titanium alloy.
CN202021037968.9U 2020-06-09 2020-06-09 Special cutter for milling large screw hole Active CN212857922U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021037968.9U CN212857922U (en) 2020-06-09 2020-06-09 Special cutter for milling large screw hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021037968.9U CN212857922U (en) 2020-06-09 2020-06-09 Special cutter for milling large screw hole

Publications (1)

Publication Number Publication Date
CN212857922U true CN212857922U (en) 2021-04-02

Family

ID=75208938

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021037968.9U Active CN212857922U (en) 2020-06-09 2020-06-09 Special cutter for milling large screw hole

Country Status (1)

Country Link
CN (1) CN212857922U (en)

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