CN110548913A

CN110548913A - Trapezoidal combined milling cutter

Info

Publication number: CN110548913A
Application number: CN201910949676.8A
Authority: CN
Inventors: 刁冰青; 李明
Original assignee: Changzhou Ruisheng Cutting Technology Co Ltd
Current assignee: Changzhou Ruisheng Cutting Technology Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2019-12-10

Abstract

the invention discloses a trapezoidal combined milling cutter which comprises a milling cutter blade, a cutter point, a chip removal hole, a cutter body, a connecting rod, a first butt-joint threaded column, an adapter, a first butt-joint hole, a second butt-joint threaded column, a trapezoidal joint, a connecting hole and a second butt-joint hole. The invention has the beneficial effects that: the adapter is cylindric member, and first butt joint hole and second butt joint hole are the upper and lower both sides of longitudinal symmetry formula setting at the adapter, and the indent degree of depth of first butt joint hole and second butt joint hole is 3 centimetres, the height of adapter is 8 centimetres, prevent that its trapezoidal combination milling cutter can't dock with all external motors, trapezoidal joint is round platform column structure component, and trapezoidal joint revolves to twist with the second butt joint hole through the second butt joint screw thread post of its bottom and twist the butt joint, and be the screw thread rotation between with the adapter and be connected and form a unified whole, can't connect the fastening when preventing to lie in external motor and connect.

Description

Trapezoidal combined milling cutter

Technical Field

The invention relates to a milling cutter, in particular to a trapezoidal combined milling cutter, and belongs to the technical field of milling cutters.

Background

The milling cutter refers to a cutter with the length of the arc part being larger than 1/4 circles, in the process of die machining, the machining face of a part of a small workpiece is provided with a draft angle, a common R-angle cutter is long in blade length, the rigidity strength of the cutter is reduced, the strength and the rigidity of the cutter cannot meet requirements, the service life of the cutter is short, in order to enhance the strength and the rigidity of the cutter and enhance the service life of the cutter, a short-blade strong type milling cutter is designed for improving the rigidity and the strength and ensuring the precision of the die, the die is machined in place at one time, when the workpiece is subjected to hole machining, the hole is roughly machined, then the hole is finely machined, and finally the inlet end of the hole is chamfered, so that the machining method needs three tools, needs to clamp the tool for three times, the clamping time is long, and the; meanwhile, after three times of clamping, positioning errors exist, and the machining precision is reduced.

Therefore, a trapezoidal combined milling cutter is needed to meet the current market demand, although various trapezoidal combined milling cutters are produced on the current market, in general, a lot of common defects still exist, firstly, a tool nose is not arranged at the bottom of the existing trapezoidal combined milling cutter, so that a gap cannot be opened when some hard components are ground and machined, and certain trouble is caused, secondly, a conversion rod is not arranged on the existing trapezoidal combined milling cutter, so that the trapezoidal combined milling cutter cannot be in butt joint with all external motors, and thirdly, a circular truncated cone butt joint component is not arranged at the top of the existing trapezoidal combined milling cutter, so that the connection and fastening cannot be realized when an external motor is connected.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a trapezoidal gang cutter.

The invention realizes the purpose through the following technical scheme: a trapezoidal combined milling cutter comprises a milling cutter blade, a cutter tip, a chip removal hole, a cutter body, a connecting rod, a first butt-joint threaded column, an adapter, a first butt-joint hole, a second butt-joint threaded column, a trapezoidal joint, a connecting hole and a second butt-joint hole; the milling cutter blade is welded at the bottom port of the cutter body, the cutter point is arranged at the central position of the milling cutter blade in a convex manner, the chip removal holes are arranged on the side wall of the milling cutter blade in a penetrating way, the cutter body is welded and fastened at the bottom end of a connecting rod, the connecting rod is fixedly connected between the cutter body and the first butt-joint threaded column, and the knife body, the connecting rod and the first butt thread column form a unified whole, the first butt thread column is welded and connected on the top port of the connecting rod, the adapter is screwed and fixed on a first butt threaded column, the first butt hole is positioned on the bottom port of the adapter, the second butt-joint threaded column is fixedly arranged at the bottom of the trapezoidal joint, the trapezoidal joint is fixedly screwed above the adapter, the connecting hole is arranged at the top of the trapezoidal joint in an inwards concave mode, and the second butt joint hole is arranged at the top of the adapter.

preferably, in order to prevent the hard members from being unable to open the notch and causing a certain trouble when being polished, the milling cutter blade has a rectangular parallelepiped shape and a thickness of 2 cm, and is welded to the cutter body by a high-temperature seamless welding technique, and the cutting edge of the milling cutter blade is located on the bottom end port thereof.

Preferably, in order to separate the iron chips towards two sides, the front side and the rear side of the knife body extend from the middle position to the end port of the bottom part and are inwards sunken in a curve manner, and the diameter of the knife body is larger than that of the connecting rod.

Preferably, in order to prevent that its trapezoidal combination milling cutter can't dock with all external motors, the adapter is cylindric member, and first butt joint hole and second butt joint hole are the upper and lower both sides of symmetry formula setting at the adapter, and the indent degree of depth in first butt joint hole and second butt joint hole is 3 centimetres, and the height of adapter is 8 centimetres.

Preferably, in order to prevent the external motor from being connected and being not connected and fastened, the trapezoid joint is a circular truncated cone-shaped structural member, and the trapezoid joint is screwed and butted with the second butting hole through a second butting threaded column at the bottom of the trapezoid joint and is in threaded rotation connection with the adapter to form a unified whole.

The invention has the beneficial effects that: the trapezoidal combined milling cutter is reasonable in design, the milling cutter blade is cuboid and 2 cm in thickness, and is welded and connected with the cutter body through a high-temperature seamless welding technology, the cutting edge of the milling cutter blade is positioned on the bottom port of the milling cutter blade, certain trouble caused by the fact that notches cannot be opened when hard components are polished is prevented, the front side and the rear side of the cutter body extend from the middle position to the bottom port and are inwards recessed in a curved line, the diameter of the cutter body is larger than that of a connecting rod, scrap iron is separated towards two sides, the adapter is a cylindrical rod piece, the first butt joint and the second butt joint are arranged on the upper side and the lower side of the adapter in an up-and-down symmetrical mode, the depth of the first butt joint and the second butt joint is 3 cm, the height of the adapter is 8 cm, the trapezoidal combined milling cutter cannot be in butt joint with all external motors, and the trapezoidal joint is a, and trapezoidal joint revolves to twist with the second butt joint hole through the second butt joint screw thread post of its bottom and dock to be the screw thread and rotate between with the adapter and be connected and form a unified whole, can't connect the fastening when preventing to lie in external motor to connect.

Drawings

FIG. 1 is a schematic side view of the southeast axle of the present invention;

FIG. 2 is a schematic view of the northwest axis of the present invention;

FIG. 3 is a bottom view of the present invention.

In the figure: 1. milling cutter blade, 2, knife tip, 3, chip removal hole, 4, blade, 5, connecting rod, 6, first butt joint screw post, 7, adapter, 8, first butt joint hole, 9, second butt joint screw post, 10, trapezoidal joint, 11, connecting hole and 12, second butt joint hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a trapezoidal combined milling cutter includes a milling cutter blade 1, a cutter tip 2, a chip removal hole 3, a cutter body 4, a connecting rod 5, a first butt threaded post 6, an adapter 7, a first butt hole 8, a second butt threaded post 9, a trapezoidal joint 10, a connecting hole 11, and a second butt hole 12; the welding of milling cutter blade 1 sets up in the bottom port department of blade 4, knife tip 2 is the central point that the evagination formula set up at milling cutter blade 1 and puts, chip removal hole 3 is the formula of running through and sets up on milling cutter blade 1's lateral wall, blade 4 welded connection fastening is in the bottom of connecting rod 5, connecting rod 5 fixed connection is between blade 4, first butt joint screw post 6, just blade 4, connecting rod 5, first butt joint screw post 6 constitute unified whole, first butt joint screw post 6 welded connection sets up on the top port of connecting rod 5, adapter 7 is twisted soon to be connected and is fixed on first butt joint screw post 6, first butt joint hole 8 is located adapter 7's bottom port, second butt joint screw post 9 is fixed to be set up in the bottom that trapezoidal joint 10, trapezoidal joint 10 is twisted soon to be fixed to be set up in adapter 7's top, the connecting hole 11 is arranged at the top of the trapezoid joint 10 in a concave manner, and the second butt-joint hole 12 is arranged at the top of the adapter 7.

The milling cutter blade 1 is cuboid and 2 cm in thickness, and is welded with the cutter body 4 through a high-temperature seamless welding technology, the cutting edge of the milling cutter blade 1 is positioned on a bottom port of the milling cutter blade, so that certain trouble caused by the fact that notches cannot be opened when hard components are polished is prevented, the front side and the rear side of the cutter body 4 extend from the middle position to the bottom port and are inwards recessed along a curve, the diameter of the cutter body 4 is larger than that of a connecting rod 5, scrap iron is separated towards two sides, the adapter 7 is a cylindrical rod, the first butt hole 8 and the second butt hole 12 are symmetrically arranged on the upper side and the lower side of the adapter 7 from top to bottom, the depth of the first butt hole 8 and the depth of the second butt hole 12 are 3 cm, the height of the adapter 7 is 8 cm, and the trapezoidal combined milling cutter cannot be butted with all external motors, trapezoidal joint 10 is round platform form structural component, and trapezoidal joint 10 twists with second butt joint hole 12 through the second butt joint screw thread post 9 of its bottom and carries out the butt joint to be the screw thread and rotate between with the adapter 7 and be connected formation a unified whole, can't connect the fastening when preventing to lie in external motor and connect.

The working principle is as follows: when the trapezoidal combined milling cutter is used, the adapter 7 is screwed, butted and fastened with the first butt-joint threaded column 6 through the first butt-joint hole 8 in the bottom of the adapter, then the second butt-joint hole 12 in the top of the adapter 7 is screwed and connected with the second butt-joint threaded column 9 on the trapezoidal joint 10, and after the connection tightness is ensured, the trapezoidal joint 10 is screwed and connected with the rotating shaft of the external motor through the connecting hole 11 in the top of the trapezoidal joint 10.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A trapezoidal gang cutter which is characterized in that: the milling cutter comprises a milling cutter blade (1), a cutter tip (2), a chip removal hole (3), a cutter body (4), a connecting rod (5), a first butt joint threaded column (6), an adapter (7), a first butt joint hole (8), a second butt joint threaded column (9), a trapezoidal joint (10), a connecting hole (11) and a second butt joint hole (12); the utility model discloses a milling cutter blade, including milling cutter blade (1), knife tip (2), connecting rod (5), first butt thread post (6), connecting rod (5), and first butt thread post (6), the welding sets up the bottom port department at knife blade (4), knife blade (2) is the evagination formula and puts at the central point of milling cutter blade (1), chip removal hole (3) are the run-through setting on the lateral wall of milling cutter blade (1), knife blade (4) welded connection fastening is in the bottom of connecting rod (5), first butt thread post (6) constitute unified whole, first butt thread post (6) welded connection sets up on the top port of connecting rod (5), adapter (7) are twisted to twist and are connected and are fixed on first butt thread post (6), first butt hole (8) are located the bottom port of adapter (7), second butt thread post (9) is fixed to be set up in the bottom of trapezoidal joint (10), trapezoidal joint (10) are twisted fixedly and are set up in the top of adapter (7), connecting hole (11) are the top that the indent formula set up at trapezoidal joint (10), second butt joint hole (12) set up the top at adapter (7).

2. A trapezoidal gang cutter as defined in claim 1, wherein: the milling cutter blade (1) is cuboid and 2 cm thick, and is welded with the cutter body (4) through a high-temperature seamless welding technology, and the cutting edge of the milling cutter blade (1) is positioned on the bottom port of the milling cutter blade.

3. A trapezoidal gang cutter as defined in claim 1, wherein: the front side and the rear side of the knife body (4) extend from the middle position to the bottom port and are inwards recessed in a curve mode, and the diameter of the knife body (4) is larger than that of the connecting rod (5).

4. A trapezoidal gang cutter as defined in claim 1, wherein: adapter (7) are cylindric member, and first butt joint hole (8) and second butt joint hole (12) are upper and lower symmetrical formula setting in the upper and lower both sides of adapter (7), and the indent degree of depth of first butt joint hole (8) and second butt joint hole (12) is 3 centimetres, and the height of adapter (7) is 8 centimetres.

5. A trapezoidal gang cutter as defined in claim 1, wherein: trapezoidal joint (10) are round platform form structural component, and trapezoidal joint (10) twist with second butt joint hole (12) through second butt joint screw thread post (9) of its bottom and dock to be the screw thread and rotate between with adapter (7) and be connected and form a unified whole.